Mercurial > dropbear
annotate loginrec.c @ 93:5dda5a4d475c
Don't leave the stdin FD non-blocking on exit - busybox doesn't like it.
author | Matt Johnston <matt@ucc.asn.au> |
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date | Wed, 18 Aug 2004 12:42:21 +0000 |
parents | 5c6f9d27ea1c |
children | fb7147e2fb04 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2000 Andre Lucas. All rights reserved. |
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3 * Portions copyright (c) 1998 Todd C. Miller |
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4 * Portions copyright (c) 1996 Jason Downs |
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5 * Portions copyright (c) 1996 Theo de Raadt |
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6 * |
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7 * Redistribution and use in source and binary forms, with or without |
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8 * modification, are permitted provided that the following conditions |
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9 * are met: |
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10 * 1. Redistributions of source code must retain the above copyright |
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11 * notice, this list of conditions and the following disclaimer. |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * |
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16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 */ |
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27 |
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28 /** |
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29 ** loginrec.c: platform-independent login recording and lastlog retrieval |
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30 **/ |
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31 |
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32 /* |
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33 The new login code explained |
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34 ============================ |
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35 |
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36 This code attempts to provide a common interface to login recording |
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37 (utmp and friends) and last login time retrieval. |
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38 |
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39 Its primary means of achieving this is to use 'struct logininfo', a |
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40 union of all the useful fields in the various different types of |
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41 system login record structures one finds on UNIX variants. |
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42 |
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43 We depend on autoconf to define which recording methods are to be |
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44 used, and which fields are contained in the relevant data structures |
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45 on the local system. Many C preprocessor symbols affect which code |
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46 gets compiled here. |
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47 |
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48 The code is designed to make it easy to modify a particular |
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49 recording method, without affecting other methods nor requiring so |
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50 many nested conditional compilation blocks as were commonplace in |
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51 the old code. |
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52 |
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53 For login recording, we try to use the local system's libraries as |
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54 these are clearly most likely to work correctly. For utmp systems |
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55 this usually means login() and logout() or setutent() etc., probably |
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56 in libutil, along with logwtmp() etc. On these systems, we fall back |
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57 to writing the files directly if we have to, though this method |
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58 requires very thorough testing so we do not corrupt local auditing |
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59 information. These files and their access methods are very system |
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60 specific indeed. |
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61 |
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62 For utmpx systems, the corresponding library functions are |
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63 setutxent() etc. To the author's knowledge, all utmpx systems have |
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64 these library functions and so no direct write is attempted. If such |
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65 a system exists and needs support, direct analogues of the [uw]tmp |
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66 code should suffice. |
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67 |
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68 Retrieving the time of last login ('lastlog') is in some ways even |
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69 more problemmatic than login recording. Some systems provide a |
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70 simple table of all users which we seek based on uid and retrieve a |
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71 relatively standard structure. Others record the same information in |
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72 a directory with a separate file, and others don't record the |
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73 information separately at all. For systems in the latter category, |
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74 we look backwards in the wtmp or wtmpx file for the last login entry |
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75 for our user. Naturally this is slower and on busy systems could |
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76 incur a significant performance penalty. |
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77 |
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78 Calling the new code |
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79 -------------------- |
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80 |
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81 In OpenSSH all login recording and retrieval is performed in |
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82 login.c. Here you'll find working examples. Also, in the logintest.c |
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83 program there are more examples. |
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84 |
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85 Internal handler calling method |
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86 ------------------------------- |
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87 |
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88 When a call is made to login_login() or login_logout(), both |
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89 routines set a struct logininfo flag defining which action (log in, |
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90 or log out) is to be taken. They both then call login_write(), which |
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91 calls whichever of the many structure-specific handlers autoconf |
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92 selects for the local system. |
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93 |
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94 The handlers themselves handle system data structure specifics. Both |
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95 struct utmp and struct utmpx have utility functions (see |
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96 construct_utmp*()) to try to make it simpler to add extra systems |
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97 that introduce new features to either structure. |
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98 |
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99 While it may seem terribly wasteful to replicate so much similar |
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100 code for each method, experience has shown that maintaining code to |
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101 write both struct utmp and utmpx in one function, whilst maintaining |
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102 support for all systems whether they have library support or not, is |
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103 a difficult and time-consuming task. |
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104 |
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105 Lastlog support proceeds similarly. Functions login_get_lastlog() |
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106 (and its OpenSSH-tuned friend login_get_lastlog_time()) call |
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107 getlast_entry(), which tries one of three methods to find the last |
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108 login time. It uses local system lastlog support if it can, |
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109 otherwise it tries wtmp or wtmpx before giving up and returning 0, |
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110 meaning "tilt". |
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111 |
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112 Maintenance |
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113 ----------- |
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114 |
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115 In many cases it's possible to tweak autoconf to select the correct |
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116 methods for a particular platform, either by improving the detection |
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117 code (best), or by presetting DISABLE_<method> or CONF_<method>_FILE |
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118 symbols for the platform. |
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119 |
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120 Use logintest to check which symbols are defined before modifying |
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121 configure.ac and loginrec.c. (You have to build logintest yourself |
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122 with 'make logintest' as it's not built by default.) |
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123 |
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124 Otherwise, patches to the specific method(s) are very helpful! |
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125 |
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126 */ |
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127 |
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128 /** |
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129 ** TODO: |
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130 ** homegrown ttyslot() |
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131 ** test, test, test |
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132 ** |
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133 ** Platform status: |
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134 ** ---------------- |
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135 ** |
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136 ** Known good: |
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137 ** Linux (Redhat 6.2, Debian) |
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138 ** Solaris |
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139 ** HP-UX 10.20 (gcc only) |
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140 ** IRIX |
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141 ** NeXT - M68k/HPPA/Sparc (4.2/3.3) |
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142 ** |
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143 ** Testing required: Please send reports! |
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144 ** NetBSD |
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145 ** HP-UX 11 |
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146 ** AIX |
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147 ** |
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148 ** Platforms with known problems: |
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149 ** Some variants of Slackware Linux |
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150 ** |
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151 **/ |
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152 |
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153 |
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154 #include "includes.h" |
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155 #include "loginrec.h" |
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156 #include "dbutil.h" |
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157 #include "atomicio.h" |
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158 |
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159 /** |
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160 ** prototypes for helper functions in this file |
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161 **/ |
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162 |
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163 #if HAVE_UTMP_H |
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164 void set_utmp_time(struct logininfo *li, struct utmp *ut); |
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165 void construct_utmp(struct logininfo *li, struct utmp *ut); |
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166 #endif |
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167 |
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168 #ifdef HAVE_UTMPX_H |
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169 void set_utmpx_time(struct logininfo *li, struct utmpx *ut); |
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170 void construct_utmpx(struct logininfo *li, struct utmpx *ut); |
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171 #endif |
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172 |
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173 int utmp_write_entry(struct logininfo *li); |
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174 int utmpx_write_entry(struct logininfo *li); |
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175 int wtmp_write_entry(struct logininfo *li); |
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176 int wtmpx_write_entry(struct logininfo *li); |
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177 int lastlog_write_entry(struct logininfo *li); |
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178 int syslogin_write_entry(struct logininfo *li); |
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179 |
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180 int getlast_entry(struct logininfo *li); |
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181 int lastlog_get_entry(struct logininfo *li); |
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182 int wtmp_get_entry(struct logininfo *li); |
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183 int wtmpx_get_entry(struct logininfo *li); |
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184 |
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185 /* pick the shortest string */ |
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186 #define MIN_SIZEOF(s1,s2) ( sizeof(s1) < sizeof(s2) ? sizeof(s1) : sizeof(s2) ) |
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187 |
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188 /** |
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189 ** platform-independent login functions |
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190 **/ |
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191 |
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192 /* login_login(struct logininfo *) -Record a login |
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193 * |
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194 * Call with a pointer to a struct logininfo initialised with |
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195 * login_init_entry() or login_alloc_entry() |
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196 * |
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197 * Returns: |
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198 * >0 if successful |
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199 * 0 on failure (will use OpenSSH's logging facilities for diagnostics) |
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200 */ |
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201 int |
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202 login_login (struct logininfo *li) |
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203 { |
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204 li->type = LTYPE_LOGIN; |
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205 return login_write(li); |
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206 } |
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207 |
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208 |
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209 /* login_logout(struct logininfo *) - Record a logout |
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210 * |
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211 * Call as with login_login() |
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212 * |
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213 * Returns: |
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214 * >0 if successful |
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215 * 0 on failure (will use OpenSSH's logging facilities for diagnostics) |
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216 */ |
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217 int |
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218 login_logout(struct logininfo *li) |
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219 { |
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220 li->type = LTYPE_LOGOUT; |
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221 return login_write(li); |
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222 } |
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223 |
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224 /* login_get_lastlog_time(int) - Retrieve the last login time |
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225 * |
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226 * Retrieve the last login time for the given uid. Will try to use the |
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227 * system lastlog facilities if they are available, but will fall back |
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228 * to looking in wtmp/wtmpx if necessary |
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229 * |
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230 * Returns: |
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231 * 0 on failure, or if user has never logged in |
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232 * Time in seconds from the epoch if successful |
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233 * |
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234 * Useful preprocessor symbols: |
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235 * DISABLE_LASTLOG: If set, *never* even try to retrieve lastlog |
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236 * info |
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237 * USE_LASTLOG: If set, indicates the presence of system lastlog |
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238 * facilities. If this and DISABLE_LASTLOG are not set, |
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239 * try to retrieve lastlog information from wtmp/wtmpx. |
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240 */ |
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241 unsigned int |
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242 login_get_lastlog_time(const int uid) |
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243 { |
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244 struct logininfo li; |
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245 |
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246 if (login_get_lastlog(&li, uid)) |
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247 return li.tv_sec; |
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248 else |
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249 return 0; |
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250 } |
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251 |
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252 /* login_get_lastlog(struct logininfo *, int) - Retrieve a lastlog entry |
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253 * |
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254 * Retrieve a logininfo structure populated (only partially) with |
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255 * information from the system lastlog data, or from wtmp/wtmpx if no |
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256 * system lastlog information exists. |
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257 * |
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258 * Note this routine must be given a pre-allocated logininfo. |
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259 * |
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260 * Returns: |
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261 * >0: A pointer to your struct logininfo if successful |
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262 * 0 on failure (will use OpenSSH's logging facilities for diagnostics) |
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263 * |
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264 */ |
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265 struct logininfo * |
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266 login_get_lastlog(struct logininfo *li, const int uid) |
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267 { |
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268 struct passwd *pw; |
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269 |
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270 memset(li, '\0', sizeof(*li)); |
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271 li->uid = uid; |
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272 |
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273 /* |
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274 * If we don't have a 'real' lastlog, we need the username to |
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275 * reliably search wtmp(x) for the last login (see |
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276 * wtmp_get_entry().) |
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277 */ |
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278 pw = getpwuid(uid); |
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279 if (pw == NULL) |
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280 dropbear_exit("login_get_lastlog: Cannot find account for uid %i", uid); |
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281 |
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282 /* No MIN_SIZEOF here - we absolutely *must not* truncate the |
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283 * username */ |
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284 strlcpy(li->username, pw->pw_name, sizeof(li->username)); |
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285 |
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286 if (getlast_entry(li)) |
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287 return li; |
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288 else |
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289 return NULL; |
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290 } |
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291 |
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292 |
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293 /* login_alloc_entry(int, char*, char*, char*) - Allocate and initialise |
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294 * a logininfo structure |
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295 * |
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296 * This function creates a new struct logininfo, a data structure |
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297 * meant to carry the information required to portably record login info. |
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298 * |
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299 * Returns a pointer to a newly created struct logininfo. If memory |
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300 * allocation fails, the program halts. |
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301 */ |
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302 struct |
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303 logininfo *login_alloc_entry(int pid, const char *username, |
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304 const char *hostname, const char *line) |
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305 { |
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306 struct logininfo *newli; |
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307 |
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308 newli = (struct logininfo *) m_malloc (sizeof(*newli)); |
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309 (void)login_init_entry(newli, pid, username, hostname, line); |
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310 return newli; |
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311 } |
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312 |
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313 |
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314 /* login_free_entry(struct logininfo *) - free struct memory */ |
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315 void |
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316 login_free_entry(struct logininfo *li) |
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317 { |
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318 m_free(li); |
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319 } |
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320 |
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321 |
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322 /* login_init_entry(struct logininfo *, int, char*, char*, char*) |
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323 * - initialise a struct logininfo |
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324 * |
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325 * Populates a new struct logininfo, a data structure meant to carry |
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326 * the information required to portably record login info. |
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327 * |
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328 * Returns: 1 |
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329 */ |
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330 int |
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331 login_init_entry(struct logininfo *li, int pid, const char *username, |
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332 const char *hostname, const char *line) |
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333 { |
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334 struct passwd *pw; |
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335 |
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336 memset(li, 0, sizeof(*li)); |
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337 |
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338 li->pid = pid; |
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339 |
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340 /* set the line information */ |
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341 if (line) |
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342 line_fullname(li->line, line, sizeof(li->line)); |
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343 |
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344 if (username) { |
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345 strlcpy(li->username, username, sizeof(li->username)); |
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346 pw = getpwnam(li->username); |
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347 if (pw == NULL) |
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348 dropbear_exit("login_init_entry: Cannot find user \"%s\"", |
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349 li->username); |
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350 li->uid = pw->pw_uid; |
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351 } |
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352 |
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353 if (hostname) |
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354 strlcpy(li->hostname, hostname, sizeof(li->hostname)); |
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355 |
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356 return 1; |
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357 } |
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358 |
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359 /* login_set_current_time(struct logininfo *) - set the current time |
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360 * |
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361 * Set the current time in a logininfo structure. This function is |
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362 * meant to eliminate the need to deal with system dependencies for |
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363 * time handling. |
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364 */ |
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365 void |
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366 login_set_current_time(struct logininfo *li) |
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367 { |
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368 struct timeval tv; |
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369 |
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370 gettimeofday(&tv, NULL); |
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371 |
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372 li->tv_sec = tv.tv_sec; |
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373 li->tv_usec = tv.tv_usec; |
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374 } |
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375 |
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376 /* copy a sockaddr_* into our logininfo */ |
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377 void |
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378 login_set_addr(struct logininfo *li, const struct sockaddr *sa, |
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379 const unsigned int sa_size) |
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380 { |
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381 unsigned int bufsize = sa_size; |
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382 |
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383 /* make sure we don't overrun our union */ |
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384 if (sizeof(li->hostaddr) < sa_size) |
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385 bufsize = sizeof(li->hostaddr); |
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386 |
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387 memcpy((void *)&(li->hostaddr.sa), (const void *)sa, bufsize); |
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388 } |
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389 |
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390 |
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391 /** |
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392 ** login_write: Call low-level recording functions based on autoconf |
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393 ** results |
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394 **/ |
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395 int |
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396 login_write (struct logininfo *li) |
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397 { |
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398 #ifndef HAVE_CYGWIN |
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399 if ((int)geteuid() != 0) { |
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400 dropbear_log(LOG_WARNING, |
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401 "Attempt to write login records by non-root user (aborting)"); |
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402 return 1; |
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403 } |
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404 #endif |
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405 |
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406 /* set the timestamp */ |
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407 login_set_current_time(li); |
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408 #ifdef USE_LOGIN |
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409 syslogin_write_entry(li); |
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410 #endif |
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411 #ifdef USE_LASTLOG |
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412 if (li->type == LTYPE_LOGIN) { |
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413 lastlog_write_entry(li); |
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414 } |
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415 #endif |
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416 #ifdef USE_UTMP |
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417 utmp_write_entry(li); |
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418 #endif |
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419 #ifdef USE_WTMP |
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420 wtmp_write_entry(li); |
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421 #endif |
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422 #ifdef USE_UTMPX |
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423 utmpx_write_entry(li); |
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424 #endif |
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425 #ifdef USE_WTMPX |
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426 wtmpx_write_entry(li); |
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427 #endif |
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428 return 0; |
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429 } |
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430 |
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431 #ifdef LOGIN_NEEDS_UTMPX |
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432 int |
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433 login_utmp_only(struct logininfo *li) |
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434 { |
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435 li->type = LTYPE_LOGIN; |
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|
436 login_set_current_time(li); |
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437 # ifdef USE_UTMP |
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438 utmp_write_entry(li); |
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439 # endif |
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440 # ifdef USE_WTMP |
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441 wtmp_write_entry(li); |
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442 # endif |
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443 # ifdef USE_UTMPX |
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444 utmpx_write_entry(li); |
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445 # endif |
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446 # ifdef USE_WTMPX |
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447 wtmpx_write_entry(li); |
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448 # endif |
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449 return 0; |
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|
450 } |
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451 #endif |
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452 |
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453 /** |
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454 ** getlast_entry: Call low-level functions to retrieve the last login |
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455 ** time. |
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456 **/ |
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457 |
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458 /* take the uid in li and return the last login time */ |
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459 int |
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|
460 getlast_entry(struct logininfo *li) |
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461 { |
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462 #ifdef USE_LASTLOG |
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463 return(lastlog_get_entry(li)); |
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464 #else /* !USE_LASTLOG */ |
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465 |
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466 #ifdef DISABLE_LASTLOG |
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467 /* On some systems we shouldn't even try to obtain last login |
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468 * time, e.g. AIX */ |
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469 return 0; |
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470 # else /* DISABLE_LASTLOG */ |
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471 /* Try to retrieve the last login time from wtmp */ |
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472 # if defined(USE_WTMP) && (defined(HAVE_STRUCT_UTMP_UT_TIME) || defined(HAVE_STRUCT_UTMP_UT_TV)) |
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473 /* retrieve last login time from utmp */ |
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474 return (wtmp_get_entry(li)); |
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475 # else /* defined(USE_WTMP) && (defined(HAVE_STRUCT_UTMP_UT_TIME) || defined(HAVE_STRUCT_UTMP_UT_TV)) */ |
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476 /* If wtmp isn't available, try wtmpx */ |
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477 # if defined(USE_WTMPX) && (defined(HAVE_STRUCT_UTMPX_UT_TIME) || defined(HAVE_STRUCT_UTMPX_UT_TV)) |
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478 /* retrieve last login time from utmpx */ |
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479 return (wtmpx_get_entry(li)); |
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|
480 # else |
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481 /* Give up: No means of retrieving last login time */ |
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482 return 0; |
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|
483 # endif /* USE_WTMPX && (HAVE_STRUCT_UTMPX_UT_TIME || HAVE_STRUCT_UTMPX_UT_TV) */ |
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484 # endif /* USE_WTMP && (HAVE_STRUCT_UTMP_UT_TIME || HAVE_STRUCT_UTMP_UT_TV) */ |
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485 # endif /* DISABLE_LASTLOG */ |
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486 #endif /* USE_LASTLOG */ |
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|
487 } |
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|
488 |
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|
489 |
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|
490 |
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parents:
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|
491 /* |
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|
492 * 'line' string utility functions |
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|
493 * |
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|
494 * These functions process the 'line' string into one of three forms: |
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|
495 * |
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496 * 1. The full filename (including '/dev') |
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497 * 2. The stripped name (excluding '/dev') |
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498 * 3. The abbreviated name (e.g. /dev/ttyp00 -> yp00 |
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499 * /dev/pts/1 -> ts/1 ) |
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|
500 * |
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501 * Form 3 is used on some systems to identify a .tmp.? entry when |
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502 * attempting to remove it. Typically both addition and removal is |
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503 * performed by one application - say, sshd - so as long as the choice |
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504 * uniquely identifies a terminal it's ok. |
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505 */ |
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|
506 |
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|
507 |
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|
508 /* line_fullname(): add the leading '/dev/' if it doesn't exist make |
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509 * sure dst has enough space, if not just copy src (ugh) */ |
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|
510 char * |
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511 line_fullname(char *dst, const char *src, size_t dstsize) |
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|
512 { |
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513 memset(dst, '\0', dstsize); |
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514 if ((strncmp(src, "/dev/", 5) == 0) || (dstsize < (strlen(src) + 5))) { |
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515 strlcpy(dst, src, dstsize); |
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516 } else { |
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517 strlcpy(dst, "/dev/", dstsize); |
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|
518 strlcat(dst, src, dstsize); |
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|
519 } |
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520 return dst; |
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|
521 } |
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|
522 |
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523 /* line_stripname(): strip the leading '/dev' if it exists, return dst */ |
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|
524 char * |
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525 line_stripname(char *dst, const char *src, size_t dstsize) |
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|
526 { |
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527 memset(dst, '\0', dstsize); |
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|
528 if (strncmp(src, "/dev/", 5) == 0) |
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529 strlcpy(dst, src + 5, dstsize); |
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|
530 else |
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|
531 strlcpy(dst, src, dstsize); |
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|
532 return dst; |
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parents:
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|
533 } |
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|
534 |
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|
535 /* line_abbrevname(): Return the abbreviated (usually four-character) |
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|
536 * form of the line (Just use the last <dstsize> characters of the |
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parents:
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|
537 * full name.) |
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538 * |
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|
539 * NOTE: use strncpy because we do NOT necessarily want zero |
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parents:
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|
540 * termination */ |
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|
541 char * |
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|
542 line_abbrevname(char *dst, const char *src, size_t dstsize) |
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|
543 { |
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|
544 size_t len; |
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|
545 |
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parents:
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|
546 memset(dst, '\0', dstsize); |
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|
547 |
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|
548 /* Always skip prefix if present */ |
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|
549 if (strncmp(src, "/dev/", 5) == 0) |
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550 src += 5; |
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551 |
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552 #ifdef WITH_ABBREV_NO_TTY |
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553 if (strncmp(src, "tty", 3) == 0) |
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554 src += 3; |
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|
555 #endif |
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|
556 |
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557 len = strlen(src); |
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|
558 |
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559 if (len > 0) { |
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560 if (((int)len - dstsize) > 0) |
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561 src += ((int)len - dstsize); |
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562 |
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563 /* note: _don't_ change this to strlcpy */ |
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564 strncpy(dst, src, (size_t)dstsize); |
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|
565 } |
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|
566 |
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567 return dst; |
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|
568 } |
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569 |
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570 /** |
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571 ** utmp utility functions |
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572 ** |
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573 ** These functions manipulate struct utmp, taking system differences |
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574 ** into account. |
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575 **/ |
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576 |
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577 #if defined(USE_UTMP) || defined (USE_WTMP) || defined (USE_LOGIN) |
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|
578 |
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579 /* build the utmp structure */ |
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580 void |
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|
581 set_utmp_time(struct logininfo *li, struct utmp *ut) |
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582 { |
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583 # ifdef HAVE_STRUCT_UTMP_UT_TV |
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584 ut->ut_tv.tv_sec = li->tv_sec; |
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585 ut->ut_tv.tv_usec = li->tv_usec; |
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586 # else |
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587 # ifdef HAVE_STRUCT_UTMP_UT_TIME |
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588 ut->ut_time = li->tv_sec; |
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|
589 # endif |
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590 # endif |
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|
591 } |
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|
592 |
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|
593 void |
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|
594 construct_utmp(struct logininfo *li, |
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|
595 struct utmp *ut) |
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|
596 { |
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597 # ifdef HAVE_ADDR_V6_IN_UTMP |
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|
598 struct sockaddr_in6 *sa6; |
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|
599 # endif |
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|
600 memset(ut, '\0', sizeof(*ut)); |
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|
601 |
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|
602 /* First fill out fields used for both logins and logouts */ |
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|
603 |
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|
604 # ifdef HAVE_STRUCT_UTMP_UT_ID |
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|
605 line_abbrevname(ut->ut_id, li->line, sizeof(ut->ut_id)); |
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|
606 # endif |
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|
607 |
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|
608 # ifdef HAVE_STRUCT_UTMP_UT_TYPE |
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|
609 /* This is done here to keep utmp constants out of struct logininfo */ |
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|
610 switch (li->type) { |
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|
611 case LTYPE_LOGIN: |
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|
612 ut->ut_type = USER_PROCESS; |
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|
613 #ifdef _UNICOS |
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|
614 cray_set_tmpdir(ut); |
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|
615 #endif |
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|
616 break; |
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|
617 case LTYPE_LOGOUT: |
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|
618 ut->ut_type = DEAD_PROCESS; |
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|
619 #ifdef _UNICOS |
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|
620 cray_retain_utmp(ut, li->pid); |
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|
621 #endif |
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|
622 break; |
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|
623 } |
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|
624 # endif |
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|
625 set_utmp_time(li, ut); |
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|
626 |
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|
627 line_stripname(ut->ut_line, li->line, sizeof(ut->ut_line)); |
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changeset
|
628 |
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|
629 # ifdef HAVE_STRUCT_UTMP_UT_PID |
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|
630 ut->ut_pid = li->pid; |
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|
631 # endif |
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|
632 |
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|
633 /* If we're logging out, leave all other fields blank */ |
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|
634 if (li->type == LTYPE_LOGOUT) |
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|
635 return; |
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|
636 |
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|
637 /* |
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|
638 * These fields are only used when logging in, and are blank |
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|
639 * for logouts. |
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|
640 */ |
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|
641 |
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|
642 /* Use strncpy because we don't necessarily want null termination */ |
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|
643 strncpy(ut->ut_name, li->username, MIN_SIZEOF(ut->ut_name, li->username)); |
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|
644 # ifdef HAVE_STRUCT_UTMP_UT_HOST |
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|
645 strncpy(ut->ut_host, li->hostname, MIN_SIZEOF(ut->ut_host, li->hostname)); |
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|
646 # endif |
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|
647 # ifdef HAVE_STRUCT_UTMP_UT_ADDR |
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|
648 /* this is just a 32-bit IP address */ |
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|
649 if (li->hostaddr.sa.sa_family == AF_INET) |
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|
650 ut->ut_addr = li->hostaddr.sa_in.sin_addr.s_addr; |
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|
651 # endif |
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|
652 # ifdef HAVE_ADDR_V6_IN_UTMP |
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changeset
|
653 /* this is just a 128-bit IPv6 address */ |
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parents:
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|
654 if (li->hostaddr.sa.sa_family == AF_INET6) { |
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|
655 sa6 = ((struct sockaddr_in6 *)&li->hostaddr.sa); |
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|
656 memcpy(ut->ut_addr_v6, sa6->sin6_addr.s6_addr, 16); |
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|
657 if (IN6_IS_ADDR_V4MAPPED(&sa6->sin6_addr)) { |
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|
658 ut->ut_addr_v6[0] = ut->ut_addr_v6[3]; |
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|
659 ut->ut_addr_v6[1] = 0; |
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|
660 ut->ut_addr_v6[2] = 0; |
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|
661 ut->ut_addr_v6[3] = 0; |
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|
662 } |
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|
663 } |
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|
664 # endif |
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|
665 } |
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|
666 #endif /* USE_UTMP || USE_WTMP || USE_LOGIN */ |
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|
667 |
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parents:
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|
668 /** |
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parents:
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changeset
|
669 ** utmpx utility functions |
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parents:
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changeset
|
670 ** |
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parents:
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|
671 ** These functions manipulate struct utmpx, accounting for system |
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parents:
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|
672 ** variations. |
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|
673 **/ |
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|
674 |
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|
675 #if defined(USE_UTMPX) || defined (USE_WTMPX) |
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parents:
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|
676 /* build the utmpx structure */ |
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parents:
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changeset
|
677 void |
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parents:
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changeset
|
678 set_utmpx_time(struct logininfo *li, struct utmpx *utx) |
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parents:
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changeset
|
679 { |
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parents:
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changeset
|
680 # ifdef HAVE_STRUCT_UTMPX_UT_TV |
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changeset
|
681 utx->ut_tv.tv_sec = li->tv_sec; |
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|
682 utx->ut_tv.tv_usec = li->tv_usec; |
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|
683 # else /* HAVE_STRUCT_UTMPX_UT_TV */ |
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|
684 # ifdef HAVE_STRUCT_UTMPX_UT_TIME |
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|
685 utx->ut_time = li->tv_sec; |
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|
686 # endif /* HAVE_STRUCT_UTMPX_UT_TIME */ |
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|
687 # endif /* HAVE_STRUCT_UTMPX_UT_TV */ |
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|
688 } |
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diff
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|
689 |
fe6bca95afa7
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diff
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|
690 void |
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|
691 construct_utmpx(struct logininfo *li, struct utmpx *utx) |
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diff
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|
692 { |
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|
693 # ifdef HAVE_ADDR_V6_IN_UTMP |
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|
694 struct sockaddr_in6 *sa6; |
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|
695 # endif |
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|
696 memset(utx, '\0', sizeof(*utx)); |
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|
697 # ifdef HAVE_STRUCT_UTMPX_UT_ID |
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|
698 line_abbrevname(utx->ut_id, li->line, sizeof(utx->ut_id)); |
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|
699 # endif |
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|
700 |
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|
701 /* this is done here to keep utmp constants out of loginrec.h */ |
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|
702 switch (li->type) { |
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diff
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|
703 case LTYPE_LOGIN: |
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|
704 utx->ut_type = USER_PROCESS; |
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|
705 break; |
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|
706 case LTYPE_LOGOUT: |
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|
707 utx->ut_type = DEAD_PROCESS; |
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|
708 break; |
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|
709 } |
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|
710 line_stripname(utx->ut_line, li->line, sizeof(utx->ut_line)); |
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|
711 set_utmpx_time(li, utx); |
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|
712 utx->ut_pid = li->pid; |
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|
713 /* strncpy(): Don't necessarily want null termination */ |
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|
714 strncpy(utx->ut_name, li->username, MIN_SIZEOF(utx->ut_name, li->username)); |
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|
715 |
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|
716 if (li->type == LTYPE_LOGOUT) |
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|
717 return; |
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|
718 |
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|
719 /* |
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diff
changeset
|
720 * These fields are only used when logging in, and are blank |
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changeset
|
721 * for logouts. |
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|
722 */ |
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|
723 |
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|
724 # ifdef HAVE_STRUCT_UTMPX_UT_HOST |
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|
725 strncpy(utx->ut_host, li->hostname, MIN_SIZEOF(utx->ut_host, li->hostname)); |
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|
726 # endif |
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|
727 # ifdef HAVE_STRUCT_UTMPX_UT_ADDR |
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|
728 /* this is just a 32-bit IP address */ |
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|
729 if (li->hostaddr.sa.sa_family == AF_INET) |
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|
730 utx->ut_addr = li->hostaddr.sa_in.sin_addr.s_addr; |
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|
731 # endif |
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|
732 # ifdef HAVE_ADDR_V6_IN_UTMP |
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|
733 /* this is just a 128-bit IPv6 address */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
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|
734 if (li->hostaddr.sa.sa_family == AF_INET6) { |
fe6bca95afa7
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|
735 sa6 = ((struct sockaddr_in6 *)&li->hostaddr.sa); |
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|
736 memcpy(ut->ut_addr_v6, sa6->sin6_addr.s6_addr, 16); |
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|
737 if (IN6_IS_ADDR_V4MAPPED(&sa6->sin6_addr)) { |
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|
738 ut->ut_addr_v6[0] = ut->ut_addr_v6[3]; |
fe6bca95afa7
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|
739 ut->ut_addr_v6[1] = 0; |
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|
740 ut->ut_addr_v6[2] = 0; |
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|
741 ut->ut_addr_v6[3] = 0; |
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|
742 } |
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|
743 } |
fe6bca95afa7
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|
744 # endif |
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|
745 # ifdef HAVE_STRUCT_UTMPX_UT_SYSLEN |
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|
746 /* ut_syslen is the length of the utx_host string */ |
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|
747 utx->ut_syslen = MIN(strlen(li->hostname), sizeof(utx->ut_host)); |
fe6bca95afa7
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|
748 # endif |
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|
749 } |
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diff
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|
750 #endif /* USE_UTMPX || USE_WTMPX */ |
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diff
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|
751 |
fe6bca95afa7
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parents:
diff
changeset
|
752 /** |
fe6bca95afa7
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parents:
diff
changeset
|
753 ** Low-level utmp functions |
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|
754 **/ |
fe6bca95afa7
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|
755 |
fe6bca95afa7
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changeset
|
756 /* FIXME: (ATL) utmp_write_direct needs testing */ |
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parents:
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changeset
|
757 #ifdef USE_UTMP |
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|
758 |
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|
759 /* if we can, use pututline() etc. */ |
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|
760 # if !defined(DISABLE_PUTUTLINE) && defined(HAVE_SETUTENT) && \ |
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|
761 defined(HAVE_PUTUTLINE) |
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parents:
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changeset
|
762 # define UTMP_USE_LIBRARY |
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diff
changeset
|
763 # endif |
fe6bca95afa7
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diff
changeset
|
764 |
fe6bca95afa7
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diff
changeset
|
765 |
fe6bca95afa7
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changeset
|
766 /* write a utmp entry with the system's help (pututline() and pals) */ |
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parents:
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changeset
|
767 # ifdef UTMP_USE_LIBRARY |
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changeset
|
768 static int |
fe6bca95afa7
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parents:
diff
changeset
|
769 utmp_write_library(struct logininfo *li, struct utmp *ut) |
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parents:
diff
changeset
|
770 { |
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Matt Johnston <matt@ucc.asn.au>
parents:
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changeset
|
771 setutent(); |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
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changeset
|
772 pututline(ut); |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
773 |
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parents:
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changeset
|
774 # ifdef HAVE_ENDUTENT |
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parents:
diff
changeset
|
775 endutent(); |
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parents:
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changeset
|
776 # endif |
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parents:
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changeset
|
777 return 1; |
fe6bca95afa7
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parents:
diff
changeset
|
778 } |
fe6bca95afa7
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parents:
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changeset
|
779 # else /* UTMP_USE_LIBRARY */ |
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parents:
diff
changeset
|
780 |
fe6bca95afa7
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parents:
diff
changeset
|
781 /* write a utmp entry direct to the file */ |
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parents:
diff
changeset
|
782 /* This is a slightly modification of code in OpenBSD's login.c */ |
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parents:
diff
changeset
|
783 static int |
fe6bca95afa7
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parents:
diff
changeset
|
784 utmp_write_direct(struct logininfo *li, struct utmp *ut) |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
785 { |
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parents:
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changeset
|
786 struct utmp old_ut; |
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parents:
diff
changeset
|
787 register int fd; |
fe6bca95afa7
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parents:
diff
changeset
|
788 int tty; |
fe6bca95afa7
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parents:
diff
changeset
|
789 |
fe6bca95afa7
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parents:
diff
changeset
|
790 /* FIXME: (ATL) ttyslot() needs local implementation */ |
fe6bca95afa7
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parents:
diff
changeset
|
791 |
fe6bca95afa7
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parents:
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changeset
|
792 #if defined(HAVE_GETTTYENT) |
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parents:
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changeset
|
793 register struct ttyent *ty; |
fe6bca95afa7
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parents:
diff
changeset
|
794 |
fe6bca95afa7
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parents:
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changeset
|
795 tty=0; |
fe6bca95afa7
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parents:
diff
changeset
|
796 |
fe6bca95afa7
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parents:
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changeset
|
797 setttyent(); |
fe6bca95afa7
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parents:
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changeset
|
798 while ((struct ttyent *)0 != (ty = getttyent())) { |
fe6bca95afa7
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parents:
diff
changeset
|
799 tty++; |
fe6bca95afa7
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parents:
diff
changeset
|
800 if (!strncmp(ty->ty_name, ut->ut_line, sizeof(ut->ut_line))) |
fe6bca95afa7
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parents:
diff
changeset
|
801 break; |
fe6bca95afa7
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parents:
diff
changeset
|
802 } |
fe6bca95afa7
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parents:
diff
changeset
|
803 endttyent(); |
fe6bca95afa7
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parents:
diff
changeset
|
804 |
fe6bca95afa7
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parents:
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changeset
|
805 if((struct ttyent *)0 == ty) { |
fe6bca95afa7
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parents:
diff
changeset
|
806 dropbear_log(LOG_WARNING, "utmp_write_entry: tty not found"); |
fe6bca95afa7
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parents:
diff
changeset
|
807 return(1); |
fe6bca95afa7
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parents:
diff
changeset
|
808 } |
fe6bca95afa7
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parents:
diff
changeset
|
809 #else /* FIXME */ |
fe6bca95afa7
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parents:
diff
changeset
|
810 |
fe6bca95afa7
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parents:
diff
changeset
|
811 tty = ttyslot(); /* seems only to work for /dev/ttyp? style names */ |
fe6bca95afa7
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parents:
diff
changeset
|
812 |
fe6bca95afa7
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parents:
diff
changeset
|
813 #endif /* HAVE_GETTTYENT */ |
fe6bca95afa7
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parents:
diff
changeset
|
814 |
fe6bca95afa7
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parents:
diff
changeset
|
815 if (tty > 0 && (fd = open(UTMP_FILE, O_RDWR|O_CREAT, 0644)) >= 0) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
816 (void)lseek(fd, (off_t)(tty * sizeof(struct utmp)), SEEK_SET); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
817 /* |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
818 * Prevent luser from zero'ing out ut_host. |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
819 * If the new ut_line is empty but the old one is not |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
820 * and ut_line and ut_name match, preserve the old ut_line. |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
821 */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
822 if (atomicio(read, fd, &old_ut, sizeof(old_ut)) == sizeof(old_ut) && |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
823 (ut->ut_host[0] == '\0') && (old_ut.ut_host[0] != '\0') && |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
824 (strncmp(old_ut.ut_line, ut->ut_line, sizeof(ut->ut_line)) == 0) && |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
825 (strncmp(old_ut.ut_name, ut->ut_name, sizeof(ut->ut_name)) == 0)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
826 (void)memcpy(ut->ut_host, old_ut.ut_host, sizeof(ut->ut_host)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
827 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
828 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
829 (void)lseek(fd, (off_t)(tty * sizeof(struct utmp)), SEEK_SET); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
830 if (atomicio(write, fd, ut, sizeof(*ut)) != sizeof(*ut)) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
831 dropbear_log(LOG_WARNING, "utmp_write_direct: error writing %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
832 UTMP_FILE, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
833 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
834 (void)close(fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
835 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
836 } else { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
837 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
838 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
839 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
840 # endif /* UTMP_USE_LIBRARY */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
841 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
842 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
843 utmp_perform_login(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
844 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
845 struct utmp ut; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
846 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
847 construct_utmp(li, &ut); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
848 # ifdef UTMP_USE_LIBRARY |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
849 if (!utmp_write_library(li, &ut)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
850 dropbear_log(LOG_WARNING, "utmp_perform_login: utmp_write_library() failed"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
851 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
852 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
853 # else |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
854 if (!utmp_write_direct(li, &ut)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
855 dropbear_log(LOG_WARNING, "utmp_perform_login: utmp_write_direct() failed"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
856 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
857 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
858 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
859 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
860 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
861 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
862 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
863 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
864 utmp_perform_logout(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
865 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
866 struct utmp ut; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
867 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
868 construct_utmp(li, &ut); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
869 # ifdef UTMP_USE_LIBRARY |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
870 if (!utmp_write_library(li, &ut)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
871 dropbear_log(LOG_WARNING, "utmp_perform_logout: utmp_write_library() failed"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
872 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
873 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
874 # else |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
875 if (!utmp_write_direct(li, &ut)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
876 dropbear_log(LOG_WARNING, "utmp_perform_logout: utmp_write_direct() failed"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
877 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
878 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
879 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
880 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
881 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
882 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
883 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
884 int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
885 utmp_write_entry(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
886 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
887 switch(li->type) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
888 case LTYPE_LOGIN: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
889 return utmp_perform_login(li); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
890 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
891 case LTYPE_LOGOUT: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
892 return utmp_perform_logout(li); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
893 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
894 default: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
895 dropbear_log(LOG_WARNING, "utmp_write_entry: invalid type field"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
896 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
897 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
898 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
899 #endif /* USE_UTMP */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
900 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
901 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
902 /** |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
903 ** Low-level utmpx functions |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
904 **/ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
905 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
906 /* not much point if we don't want utmpx entries */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
907 #ifdef USE_UTMPX |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
908 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
909 /* if we have the wherewithall, use pututxline etc. */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
910 # if !defined(DISABLE_PUTUTXLINE) && defined(HAVE_SETUTXENT) && \ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
911 defined(HAVE_PUTUTXLINE) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
912 # define UTMPX_USE_LIBRARY |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
913 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
914 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
915 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
916 /* write a utmpx entry with the system's help (pututxline() and pals) */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
917 # ifdef UTMPX_USE_LIBRARY |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
918 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
919 utmpx_write_library(struct logininfo *li, struct utmpx *utx) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
920 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
921 setutxent(); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
922 pututxline(utx); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
923 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
924 # ifdef HAVE_ENDUTXENT |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
925 endutxent(); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
926 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
927 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
928 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
929 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
930 # else /* UTMPX_USE_LIBRARY */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
931 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
932 /* write a utmp entry direct to the file */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
933 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
934 utmpx_write_direct(struct logininfo *li, struct utmpx *utx) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
935 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
936 dropbear_log(LOG_WARNING, "utmpx_write_direct: not implemented!"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
937 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
938 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
939 # endif /* UTMPX_USE_LIBRARY */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
940 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
941 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
942 utmpx_perform_login(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
943 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
944 struct utmpx utx; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
945 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
946 construct_utmpx(li, &utx); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
947 # ifdef UTMPX_USE_LIBRARY |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
948 if (!utmpx_write_library(li, &utx)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
949 dropbear_log(LOG_WARNING, "utmpx_perform_login: utmp_write_library() failed"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
950 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
951 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
952 # else |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
953 if (!utmpx_write_direct(li, &ut)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
954 dropbear_log(LOG_WARNING, "utmpx_perform_login: utmp_write_direct() failed"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
955 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
956 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
957 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
958 return 1; |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
959 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
960 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
961 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
962 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
963 utmpx_perform_logout(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
964 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
965 struct utmpx utx; |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
966 |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
967 construct_utmpx(li, &utx); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
968 # ifdef HAVE_STRUCT_UTMPX_UT_ID |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
969 line_abbrevname(utx.ut_id, li->line, sizeof(utx.ut_id)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
970 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
971 # ifdef HAVE_STRUCT_UTMPX_UT_TYPE |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
972 utx.ut_type = DEAD_PROCESS; |
fe6bca95afa7
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parents:
diff
changeset
|
973 # endif |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
974 |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
975 # ifdef UTMPX_USE_LIBRARY |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
976 utmpx_write_library(li, &utx); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
977 # else |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
978 utmpx_write_direct(li, &utx); |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
979 # endif |
fe6bca95afa7
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parents:
diff
changeset
|
980 return 1; |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
981 } |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
982 |
fe6bca95afa7
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parents:
diff
changeset
|
983 int |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
984 utmpx_write_entry(struct logininfo *li) |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
985 { |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
986 switch(li->type) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
987 case LTYPE_LOGIN: |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
988 return utmpx_perform_login(li); |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
989 case LTYPE_LOGOUT: |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
990 return utmpx_perform_logout(li); |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
991 default: |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
992 dropbear_log(LOG_WARNING, "utmpx_write_entry: invalid type field"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
993 return 0; |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
994 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
995 } |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
996 #endif /* USE_UTMPX */ |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
997 |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
998 |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
999 /** |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1000 ** Low-level wtmp functions |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1001 **/ |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1002 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1003 #ifdef USE_WTMP |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1004 |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1005 /* write a wtmp entry direct to the end of the file */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1006 /* This is a slight modification of code in OpenBSD's logwtmp.c */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1007 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1008 wtmp_write(struct logininfo *li, struct utmp *ut) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1009 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1010 struct stat buf; |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1011 int fd, ret = 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1012 |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1013 if ((fd = open(WTMP_FILE, O_WRONLY|O_APPEND, 0)) < 0) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1014 dropbear_log(LOG_WARNING, "wtmp_write: problem writing %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1015 WTMP_FILE, strerror(errno)); |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1016 return 0; |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1017 } |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1018 if (fstat(fd, &buf) == 0) |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1019 if (atomicio(write, fd, ut, sizeof(*ut)) != sizeof(*ut)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1020 ftruncate(fd, buf.st_size); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1021 dropbear_log(LOG_WARNING, "wtmp_write: problem writing %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1022 WTMP_FILE, strerror(errno)); |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1023 ret = 0; |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1024 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1025 (void)close(fd); |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1026 return ret; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1027 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1028 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1029 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1030 wtmp_perform_login(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1031 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1032 struct utmp ut; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1033 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1034 construct_utmp(li, &ut); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1035 return wtmp_write(li, &ut); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1036 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1037 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1038 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1039 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1040 wtmp_perform_logout(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1041 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1042 struct utmp ut; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1043 |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1044 construct_utmp(li, &ut); |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1045 return wtmp_write(li, &ut); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1046 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1047 |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1048 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1049 int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1050 wtmp_write_entry(struct logininfo *li) |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1051 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1052 switch(li->type) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1053 case LTYPE_LOGIN: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1054 return wtmp_perform_login(li); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1055 case LTYPE_LOGOUT: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1056 return wtmp_perform_logout(li); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1057 default: |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1058 dropbear_log(LOG_WARNING, "wtmp_write_entry: invalid type field"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1059 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1060 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1061 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1062 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1063 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1064 /* Notes on fetching login data from wtmp/wtmpx |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1065 * |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1066 * Logouts are usually recorded with (amongst other things) a blank |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1067 * username on a given tty line. However, some systems (HP-UX is one) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1068 * leave all fields set, but change the ut_type field to DEAD_PROCESS. |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1069 * |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1070 * Since we're only looking for logins here, we know that the username |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1071 * must be set correctly. On systems that leave it in, we check for |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1072 * ut_type==USER_PROCESS (indicating a login.) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1073 * |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1074 * Portability: Some systems may set something other than USER_PROCESS |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1075 * to indicate a login process. I don't know of any as I write. Also, |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1076 * it's possible that some systems may both leave the username in |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1077 * place and not have ut_type. |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1078 */ |
fe6bca95afa7
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1079 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1080 /* return true if this wtmp entry indicates a login */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1081 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1082 wtmp_islogin(struct logininfo *li, struct utmp *ut) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1083 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1084 if (strncmp(li->username, ut->ut_name, |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1085 MIN_SIZEOF(li->username, ut->ut_name)) == 0) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1086 # ifdef HAVE_STRUCT_UTMP_UT_TYPE |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1087 if (ut->ut_type & USER_PROCESS) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1088 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1089 # else |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1090 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1091 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1092 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1093 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1094 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1095 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1096 int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1097 wtmp_get_entry(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1098 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1099 struct stat st; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1100 struct utmp ut; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1101 int fd, found=0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1102 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1103 /* Clear the time entries in our logininfo */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1104 li->tv_sec = li->tv_usec = 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1105 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1106 if ((fd = open(WTMP_FILE, O_RDONLY)) < 0) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1107 dropbear_log(LOG_WARNING, "wtmp_get_entry: problem opening %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1108 WTMP_FILE, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1109 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1110 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1111 if (fstat(fd, &st) != 0) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1112 dropbear_log(LOG_WARNING, "wtmp_get_entry: couldn't stat %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1113 WTMP_FILE, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1114 close(fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1115 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1116 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1117 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1118 /* Seek to the start of the last struct utmp */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1119 if (lseek(fd, -(off_t)sizeof(struct utmp), SEEK_END) == -1) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1120 /* Looks like we've got a fresh wtmp file */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1121 close(fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1122 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1123 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1124 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1125 while (!found) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1126 if (atomicio(read, fd, &ut, sizeof(ut)) != sizeof(ut)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1127 dropbear_log(LOG_WARNING, "wtmp_get_entry: read of %s failed: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1128 WTMP_FILE, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1129 close (fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1130 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1131 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1132 if ( wtmp_islogin(li, &ut) ) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1133 found = 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1134 /* We've already checked for a time in struct |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1135 * utmp, in login_getlast(). */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1136 # ifdef HAVE_STRUCT_UTMP_UT_TIME |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1137 li->tv_sec = ut.ut_time; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1138 # else |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1139 # if HAVE_STRUCT_UTMP_UT_TV |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1140 li->tv_sec = ut.ut_tv.tv_sec; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1141 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1142 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1143 line_fullname(li->line, ut.ut_line, |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1144 MIN_SIZEOF(li->line, ut.ut_line)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1145 # ifdef HAVE_STRUCT_UTMP_UT_HOST |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1146 strlcpy(li->hostname, ut.ut_host, |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1147 MIN_SIZEOF(li->hostname, ut.ut_host)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1148 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1149 continue; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1150 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1151 /* Seek back 2 x struct utmp */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1152 if (lseek(fd, -(off_t)(2 * sizeof(struct utmp)), SEEK_CUR) == -1) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1153 /* We've found the start of the file, so quit */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1154 close (fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1155 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1156 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1157 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1158 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1159 /* We found an entry. Tidy up and return */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1160 close(fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1161 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1162 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1163 # endif /* USE_WTMP */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1164 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1165 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1166 /** |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1167 ** Low-level wtmpx functions |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1168 **/ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1169 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1170 #ifdef USE_WTMPX |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1171 /* write a wtmpx entry direct to the end of the file */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1172 /* This is a slight modification of code in OpenBSD's logwtmp.c */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1173 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1174 wtmpx_write(struct logininfo *li, struct utmpx *utx) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1175 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1176 struct stat buf; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1177 int fd, ret = 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1178 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1179 if ((fd = open(WTMPX_FILE, O_WRONLY|O_APPEND, 0)) < 0) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1180 dropbear_log(LOG_WARNING, "wtmpx_write: problem opening %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1181 WTMPX_FILE, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1182 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1183 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1184 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1185 if (fstat(fd, &buf) == 0) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1186 if (atomicio(write, fd, utx, sizeof(*utx)) != sizeof(*utx)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1187 ftruncate(fd, buf.st_size); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1188 dropbear_log(LOG_WARNING, "wtmpx_write: problem writing %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1189 WTMPX_FILE, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1190 ret = 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1191 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1192 (void)close(fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1193 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1194 return ret; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1195 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1196 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1197 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1198 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1199 wtmpx_perform_login(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1200 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1201 struct utmpx utx; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1202 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1203 construct_utmpx(li, &utx); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1204 return wtmpx_write(li, &utx); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1205 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1206 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1207 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1208 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1209 wtmpx_perform_logout(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1210 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1211 struct utmpx utx; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1212 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1213 construct_utmpx(li, &utx); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1214 return wtmpx_write(li, &utx); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1215 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1216 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1217 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1218 int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1219 wtmpx_write_entry(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1220 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1221 switch(li->type) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1222 case LTYPE_LOGIN: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1223 return wtmpx_perform_login(li); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1224 case LTYPE_LOGOUT: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1225 return wtmpx_perform_logout(li); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1226 default: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1227 dropbear_log(LOG_WARNING, "wtmpx_write_entry: invalid type field"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1228 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1229 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1230 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1231 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1232 /* Please see the notes above wtmp_islogin() for information about the |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1233 next two functions */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1234 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1235 /* Return true if this wtmpx entry indicates a login */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1236 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1237 wtmpx_islogin(struct logininfo *li, struct utmpx *utx) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1238 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1239 if ( strncmp(li->username, utx->ut_name, |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1240 MIN_SIZEOF(li->username, utx->ut_name)) == 0 ) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1241 # ifdef HAVE_STRUCT_UTMPX_UT_TYPE |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1242 if (utx->ut_type == USER_PROCESS) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1243 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1244 # else |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1245 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1246 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1247 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1248 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1249 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1250 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1251 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1252 int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1253 wtmpx_get_entry(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1254 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1255 struct stat st; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1256 struct utmpx utx; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1257 int fd, found=0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1258 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1259 /* Clear the time entries */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1260 li->tv_sec = li->tv_usec = 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1261 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1262 if ((fd = open(WTMPX_FILE, O_RDONLY)) < 0) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1263 dropbear_log(LOG_WARNING, "wtmpx_get_entry: problem opening %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1264 WTMPX_FILE, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1265 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1266 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1267 if (fstat(fd, &st) != 0) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1268 dropbear_log(LOG_WARNING, "wtmpx_get_entry: couldn't stat %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1269 WTMPX_FILE, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1270 close(fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1271 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1272 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1273 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1274 /* Seek to the start of the last struct utmpx */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1275 if (lseek(fd, -(off_t)sizeof(struct utmpx), SEEK_END) == -1 ) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1276 /* probably a newly rotated wtmpx file */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1277 close(fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1278 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1279 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1280 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1281 while (!found) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1282 if (atomicio(read, fd, &utx, sizeof(utx)) != sizeof(utx)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1283 dropbear_log(LOG_WARNING, "wtmpx_get_entry: read of %s failed: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1284 WTMPX_FILE, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1285 close (fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1286 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1287 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1288 /* Logouts are recorded as a blank username on a particular line. |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1289 * So, we just need to find the username in struct utmpx */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1290 if ( wtmpx_islogin(li, &utx) ) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1291 found = 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1292 # ifdef HAVE_STRUCT_UTMPX_UT_TV |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1293 li->tv_sec = utx.ut_tv.tv_sec; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1294 # else |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1295 # ifdef HAVE_STRUCT_UTMPX_UT_TIME |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1296 li->tv_sec = utx.ut_time; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1297 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1298 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1299 line_fullname(li->line, utx.ut_line, sizeof(li->line)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1300 # ifdef HAVE_STRUCT_UTMPX_UT_HOST |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1301 strlcpy(li->hostname, utx.ut_host, |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1302 MIN_SIZEOF(li->hostname, utx.ut_host)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1303 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1304 continue; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1305 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1306 if (lseek(fd, -(off_t)(2 * sizeof(struct utmpx)), SEEK_CUR) == -1) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1307 close (fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1308 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1309 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1310 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1311 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1312 close(fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1313 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1314 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1315 #endif /* USE_WTMPX */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1316 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1317 /** |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1318 ** Low-level libutil login() functions |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1319 **/ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1320 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1321 #ifdef USE_LOGIN |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1322 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1323 syslogin_perform_login(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1324 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1325 struct utmp *ut; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1326 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1327 if (! (ut = (struct utmp *)malloc(sizeof(*ut)))) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1328 dropbear_log(LOG_WARNING, "syslogin_perform_login: couldn't malloc()"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1329 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1330 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1331 construct_utmp(li, ut); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1332 login(ut); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1333 free(ut); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1334 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1335 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1336 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1337 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1338 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1339 syslogin_perform_logout(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1340 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1341 # ifdef HAVE_LOGOUT |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1342 char line[8]; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1343 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1344 (void)line_stripname(line, li->line, sizeof(line)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1345 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1346 if (!logout(line)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1347 dropbear_log(LOG_WARNING, "syslogin_perform_logout: logout(%s) returned an error: %s", line, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1348 # ifdef HAVE_LOGWTMP |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1349 } else { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1350 logwtmp(line, "", ""); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1351 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1352 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1353 /* FIXME: (ATL - if the need arises) What to do if we have |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1354 * login, but no logout? what if logout but no logwtmp? All |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1355 * routines are in libutil so they should all be there, |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1356 * but... */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1357 # endif |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1358 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1359 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1360 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1361 int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1362 syslogin_write_entry(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1363 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1364 switch (li->type) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1365 case LTYPE_LOGIN: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1366 return syslogin_perform_login(li); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1367 case LTYPE_LOGOUT: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1368 return syslogin_perform_logout(li); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1369 default: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1370 dropbear_log(LOG_WARNING, "syslogin_write_entry: Invalid type field"); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1371 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1372 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1373 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1374 #endif /* USE_LOGIN */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1375 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1376 /* end of file log-syslogin.c */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1377 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1378 /** |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1379 ** Low-level lastlog functions |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1380 **/ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1381 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1382 #ifdef USE_LASTLOG |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1383 #define LL_FILE 1 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1384 #define LL_DIR 2 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1385 #define LL_OTHER 3 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1386 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1387 static void |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1388 lastlog_construct(struct logininfo *li, struct lastlog *last) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1389 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1390 /* clear the structure */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1391 memset(last, '\0', sizeof(*last)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1392 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1393 (void)line_stripname(last->ll_line, li->line, sizeof(last->ll_line)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1394 strlcpy(last->ll_host, li->hostname, |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1395 MIN_SIZEOF(last->ll_host, li->hostname)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1396 last->ll_time = li->tv_sec; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1397 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1398 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1399 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1400 lastlog_filetype(char *filename) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1401 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1402 struct stat st; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1403 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1404 if (stat(LASTLOG_FILE, &st) != 0) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1405 dropbear_log(LOG_WARNING, "lastlog_perform_login: Couldn't stat %s: %s", LASTLOG_FILE, |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1406 strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1407 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1408 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1409 if (S_ISDIR(st.st_mode)) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1410 return LL_DIR; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1411 else if (S_ISREG(st.st_mode)) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1412 return LL_FILE; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1413 else |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1414 return LL_OTHER; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1415 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1416 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1417 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1418 /* open the file (using filemode) and seek to the login entry */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1419 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1420 lastlog_openseek(struct logininfo *li, int *fd, int filemode) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1421 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1422 off_t offset; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1423 int type; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1424 char lastlog_file[1024]; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1425 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1426 type = lastlog_filetype(LASTLOG_FILE); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1427 switch (type) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1428 case LL_FILE: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1429 strlcpy(lastlog_file, LASTLOG_FILE, sizeof(lastlog_file)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1430 break; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1431 case LL_DIR: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1432 snprintf(lastlog_file, sizeof(lastlog_file), "%s/%s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1433 LASTLOG_FILE, li->username); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1434 break; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1435 default: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1436 dropbear_log(LOG_WARNING, "lastlog_openseek: %.100s is not a file or directory!", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1437 LASTLOG_FILE); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1438 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1439 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1440 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1441 *fd = open(lastlog_file, filemode); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1442 if ( *fd < 0) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1443 dropbear_log(LOG_INFO, "lastlog_openseek: Couldn't open %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1444 lastlog_file, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1445 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1446 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1447 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1448 if (type == LL_FILE) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1449 /* find this uid's offset in the lastlog file */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1450 offset = (off_t) ((long)li->uid * sizeof(struct lastlog)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1451 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1452 if ( lseek(*fd, offset, SEEK_SET) != offset ) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1453 dropbear_log(LOG_WARNING, "lastlog_openseek: %s->lseek(): %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1454 lastlog_file, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1455 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1456 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1457 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1458 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1459 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1460 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1461 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1462 static int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1463 lastlog_perform_login(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1464 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1465 struct lastlog last; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1466 int fd; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1467 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1468 /* create our struct lastlog */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1469 lastlog_construct(li, &last); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1470 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1471 if (!lastlog_openseek(li, &fd, O_RDWR|O_CREAT)) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1472 return(0); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1473 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1474 /* write the entry */ |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1475 if (atomicio(write, fd, &last, sizeof(last)) != sizeof(last)) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1476 close(fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1477 dropbear_log(LOG_WARNING, "lastlog_write_filemode: Error writing to %s: %s", |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1478 LASTLOG_FILE, strerror(errno)); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1479 return 0; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1480 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1481 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1482 close(fd); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1483 return 1; |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1484 } |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1485 |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1486 int |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1487 lastlog_write_entry(struct logininfo *li) |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1488 { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1489 switch(li->type) { |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1490 case LTYPE_LOGIN: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1491 return lastlog_perform_login(li); |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1492 default: |
fe6bca95afa7
Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1493 dropbear_log(LOG_WARNING, "lastlog_write_entry: Invalid type field"); |
fe6bca95afa7
Makefile.in contains updated files required
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1494 return 0; |
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1495 } |
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1496 } |
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1497 |
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1498 static void |
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1499 lastlog_populate_entry(struct logininfo *li, struct lastlog *last) |
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1500 { |
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1501 line_fullname(li->line, last->ll_line, sizeof(li->line)); |
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1502 strlcpy(li->hostname, last->ll_host, |
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1503 MIN_SIZEOF(li->hostname, last->ll_host)); |
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1504 li->tv_sec = last->ll_time; |
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1505 } |
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1506 |
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1507 int |
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1508 lastlog_get_entry(struct logininfo *li) |
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1509 { |
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1510 struct lastlog last; |
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1511 int fd, ret; |
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1512 |
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1513 if (!lastlog_openseek(li, &fd, O_RDONLY)) |
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1514 return (0); |
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1515 |
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1516 ret = atomicio(read, fd, &last, sizeof(last)); |
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1517 close(fd); |
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1518 |
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1519 switch (ret) { |
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1520 case 0: |
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1521 memset(&last, '\0', sizeof(last)); |
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1522 /* FALLTHRU */ |
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1523 case sizeof(last): |
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1524 lastlog_populate_entry(li, &last); |
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1525 return (1); |
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1526 case -1: |
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1527 dropbear_log(LOG_ERR, "Error reading from %s: %s", |
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1528 LASTLOG_FILE, strerror(errno)); |
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1529 return (0); |
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1530 default: |
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1531 dropbear_log(LOG_ERR, "Error reading from %s: Expecting %d, got %d", |
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1532 LASTLOG_FILE, sizeof(last), ret); |
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1533 return (0); |
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1534 } |
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1535 |
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1536 /* NOTREACHED */ |
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1537 return (0); |
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1538 } |
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1539 #endif /* USE_LASTLOG */ |