Mercurial > dropbear

annotate loginrec.h @ 1156:a8f4dade70e5

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avoid getpass when not used some systems (like android's bionic) do not provide getpass. you can disable ENABLE_CLI_PASSWORD_AUTH & ENABLE_CLI_INTERACT_AUTH to avoid its use (and rely on pubkey auth), but the link still fails because the support file calls getpass. do not define this func if both of those auth methods are not used.
author Mike Frysinger <vapier@gentoo.org>
date Wed, 21 Oct 2015 22:39:55 +0800
parents deed0571cacc
children 1ed6f39e8aa4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1036
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
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1 #ifndef DROPBEAR_HAVE_LOGINREC_H_
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
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2 #define DROPBEAR_HAVE_LOGINREC_H_
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3
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4 /*
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5 * Copyright (c) 2000 Andre Lucas. All rights reserved.
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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.h: platform-independent login recording and lastlog retrieval
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30 **/
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31
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32 #include "includes.h"
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33
38
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34 /* RCSID("Id: loginrec.h,v 1.2 2004/05/04 10:17:43 matt Exp "); */
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35
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36 /* The following #defines are from OpenSSH's defines.h, required for loginrec */
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37
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38 /* FIXME: put default paths back in */
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39 #ifndef UTMP_FILE
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40 # ifdef _PATH_UTMP
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41 # define UTMP_FILE _PATH_UTMP
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42 # else
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43 # ifdef CONF_UTMP_FILE
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44 # define UTMP_FILE CONF_UTMP_FILE
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45 # endif
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46 # endif
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47 #endif
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48 #ifndef WTMP_FILE
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49 # ifdef _PATH_WTMP
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50 # define WTMP_FILE _PATH_WTMP
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51 # else
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52 # ifdef CONF_WTMP_FILE
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53 # define WTMP_FILE CONF_WTMP_FILE
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54 # endif
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55 # endif
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56 #endif
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57 /* pick up the user's location for lastlog if given */
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58 #ifndef LASTLOG_FILE
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59 # ifdef _PATH_LASTLOG
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60 # define LASTLOG_FILE _PATH_LASTLOG
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61 # else
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62 # ifdef CONF_LASTLOG_FILE
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63 # define LASTLOG_FILE CONF_LASTLOG_FILE
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64 # endif
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65 # endif
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66 #endif
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67
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68
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69 /* The login() library function in libutil is first choice */
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70 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
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71 # define USE_LOGIN
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72
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73 #else
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74 /* Simply select your favourite login types. */
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75 /* Can't do if-else because some systems use several... <sigh> */
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76 # if defined(HAVE_UTMPX_H) && defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
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77 # define USE_UTMPX
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78 # endif
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79 # if defined(HAVE_UTMP_H) && defined(UTMP_FILE) && !defined(DISABLE_UTMP)
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80 # define USE_UTMP
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81 # endif
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82 # if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
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83 # define USE_WTMPX
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84 # endif
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85 # if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
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86 # define USE_WTMP
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87 # endif
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88
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89 #endif
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90
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91 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
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92 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
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93 # define USE_LASTLOG
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94 #endif
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95
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96
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97 /**
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98 ** you should use the login_* calls to work around platform dependencies
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99 **/
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100
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101 /*
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102 * login_netinfo structure
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103 */
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104
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105 union login_netinfo {
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106 struct sockaddr sa;
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107 struct sockaddr_in sa_in;
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108 #ifdef HAVE_STRUCT_SOCKADDR_STORAGE
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109 struct sockaddr_storage sa_storage;
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110 #endif
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111 };
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112
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113 /*
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114 * * logininfo structure *
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115 */
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116 /* types - different to utmp.h 'type' macros */
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117 /* (though set to the same value as linux, openbsd and others...) */
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118 #define LTYPE_LOGIN 7
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119 #define LTYPE_LOGOUT 8
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120
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121 /* string lengths - set very long */
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122 #define LINFO_PROGSIZE 64
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123 #define LINFO_LINESIZE 64
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124 #define LINFO_NAMESIZE 64
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125 #define LINFO_HOSTSIZE 256
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126
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127 struct logininfo {
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128 char progname[LINFO_PROGSIZE]; /* name of program (for PAM) */
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129 int progname_null;
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130 short int type; /* type of login (LTYPE_*) */
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131 int pid; /* PID of login process */
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132 int uid; /* UID of this user */
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133 char line[LINFO_LINESIZE]; /* tty/pty name */
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134 char username[LINFO_NAMESIZE]; /* login username */
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135 char hostname[LINFO_HOSTSIZE]; /* remote hostname */
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136 /* 'exit_status' structure components */
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137 int exit; /* process exit status */
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138 int termination; /* process termination status */
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139 /* struct timeval (sys/time.h) isn't always available, if it isn't we'll
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140 * use time_t's value as tv_sec and set tv_usec to 0
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141 */
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142 unsigned int tv_sec;
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143 unsigned int tv_usec;
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144 union login_netinfo hostaddr; /* caller's host address(es) */
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145 }; /* struct logininfo */
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146
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147 /*
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148 * login recording functions
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149 */
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150
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151 /** 'public' functions */
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152
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153 struct logininfo *login_alloc_entry(int pid, const char *username,
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154 const char *hostname, const char *line);
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155 /* free a structure */
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156 void login_free_entry(struct logininfo *li);
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157 /* fill out a pre-allocated structure with useful information */
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158 int login_init_entry(struct logininfo *li, int pid, const char *username,
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159 const char *hostname, const char *line);
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160 /* place the current time in a logininfo struct */
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161 void login_set_current_time(struct logininfo *li);
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162
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163 /* record the entry */
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164 int login_login (struct logininfo *li);
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165 int login_logout(struct logininfo *li);
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166 #ifdef LOGIN_NEEDS_UTMPX
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167 int login_utmp_only(struct logininfo *li);
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168 #endif
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169
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170 /** End of public functions */
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171
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172 /* record the entry */
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173 int login_write (struct logininfo *li);
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174 int login_log_entry(struct logininfo *li);
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175
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176 /* set the network address based on network address type */
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177 void login_set_addr(struct logininfo *li, const struct sockaddr *sa,
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178 const unsigned int sa_size);
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179
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180 /* produce various forms of the line filename */
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181 char *line_fullname(char *dst, const char *src, size_t dstsize);
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182 char *line_stripname(char *dst, const char *src, size_t dstsize);
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183 char *line_abbrevname(char *dst, const char *src, size_t dstsize);
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184
1036
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185 #endif /* DROPBEAR_HAVE_LOGINREC_H_ */