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annotate svr-authpam.c @ 243:0056419cf0f4

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* ensure that we only handle open confirmation/failure for channels where it is expected
author Matt Johnston <matt@ucc.asn.au>
date Mon, 05 Sep 2005 17:10:32 +0000
parents 9a9c6d633972
children 306499676384
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1 /*
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2 * Dropbear SSH
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3 *
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4 * Copyright (c) 2004 Martin Carlsson
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5 * Portions (c) 2004 Matt Johnston
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6 * All rights reserved.
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7 *
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8 * Permission is hereby granted, free of charge, to any person obtaining a copy
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9 * of this software and associated documentation files (the "Software"), to deal
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10 * in the Software without restriction, including without limitation the rights
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11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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12 * copies of the Software, and to permit persons to whom the Software is
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13 * furnished to do so, subject to the following conditions:
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14 *
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15 * The above copyright notice and this permission notice shall be included in
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16 * all copies or substantial portions of the Software.
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17 *
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18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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24 * SOFTWARE. */
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25
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26 /* Validates a user password using PAM */
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28 #include "includes.h"
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29 #include "session.h"
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30 #include "buffer.h"
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31 #include "dbutil.h"
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32 #include "auth.h"
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33
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34 #if defined(HAVE_SECURITY_PAM_APPL_H)
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35 #include <security/pam_appl.h>
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36 #elif defined (HAVE_PAM_PAM_APPL_H)
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37 #include <pam/pam_appl.h>
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38 #endif
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39
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40 #ifdef ENABLE_SVR_PAM_AUTH
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41
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42 struct UserDataS {
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43 char* user;
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44 char* passwd;
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45 };
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46
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47 /* PAM conversation function - for now we only handle one message */
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48 int
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49 pamConvFunc(int num_msg,
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50 const struct pam_message **msg,
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51 struct pam_response **respp,
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52 void *appdata_ptr) {
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53
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54 int rc = PAM_SUCCESS;
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55 struct pam_response* resp = NULL;
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56 struct UserDataS* userDatap = (struct UserDataS*) appdata_ptr;
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57 unsigned int msg_len = 0;
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58 unsigned int i = 0;
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59
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60 const char* message = (*msg)->msg;
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61
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62 // make a copy we can strip
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63 char * compare_message = m_strdup(message);
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64
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65 TRACE(("enter pamConvFunc"))
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66
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67 if (num_msg != 1) {
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68 /* If you're getting here - Dropbear probably can't support your pam
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69 * modules. This whole file is a bit of a hack around lack of
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70 * asynchronocity in PAM anyway. */
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71 dropbear_log(LOG_INFO, "pamConvFunc() called with >1 messages: not supported.");
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72 return PAM_CONV_ERR;
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73 }
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74
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75 TRACE(("msg_style is %d", (*msg)->msg_style))
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76 if (compare_message) {
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77 TRACE(("message is '%s'", compare_message))
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78 } else {
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79 TRACE(("null message"))
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80 }
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81
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82
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83 // Make the string lowercase.
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84 msg_len = strlen(compare_message);
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85 for (i = 0; i < msg_len; i++) {
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86 compare_message[i] = tolower(compare_message[i]);
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87 }
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88
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89 // If the string ends with ": ", remove the space.
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90 // ie "login: " vs "login:"
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91 if (msg_len > 2
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92 && compare_message[msg_len-2] == ':'
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93 && compare_message[msg_len-1] == ' ') {
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94 compare_message[msg_len-1] = '\0';
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95 }
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96
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97 switch((*msg)->msg_style) {
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98
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99 case PAM_PROMPT_ECHO_OFF:
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100
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101 if (!(strcmp(compare_message, "password:") == 0)) {
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102 // We don't recognise the prompt as asking for a password,
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103 // so can't handle it. Add more above as required for
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104 // different pam modules/implementations
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105 dropbear_log(LOG_NOTICE, "PAM unknown prompt %s (no echo)",
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106 compare_message);
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107 rc = PAM_CONV_ERR;
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108 break;
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109 }
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110
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111 /* You have to read the PAM module-writers' docs (do we look like
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112 * module writers? no.) to find out that the module will
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113 * free the pam_response and its resp element - ie we _must_ malloc
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114 * it here */
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115 resp = (struct pam_response*) m_malloc(sizeof(struct pam_response));
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116 memset(resp, 0, sizeof(struct pam_response));
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diff changeset
117
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
118 resp->resp = m_strdup(userDatap->passwd);
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
119 m_burn(userDatap->passwd, strlen(userDatap->passwd));
119
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
120 (*respp) = resp;
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
121 break;
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
122
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
123
119
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
124 case PAM_PROMPT_ECHO_ON:
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
125
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
126 if (!((strcmp(compare_message, "login:" ) == 0)
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
127 || (strcmp(compare_message, "please enter username:") == 0))) {
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
128 // We don't recognise the prompt as asking for a username,
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
129 // so can't handle it. Add more above as required for
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
130 // different pam modules/implementations
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
131 dropbear_log(LOG_NOTICE, "PAM unknown prompt %s (with echo)",
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
132 compare_message);
119
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
133 rc = PAM_CONV_ERR;
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
134 break;
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
135 }
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
136
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
137 /* You have to read the PAM module-writers' docs (do we look like
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
138 * module writers? no.) to find out that the module will
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
139 * free the pam_response and its resp element - ie we _must_ malloc
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
140 * it here */
119
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
141 resp = (struct pam_response*) m_malloc(sizeof(struct pam_response));
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
142 memset(resp, 0, sizeof(struct pam_response));
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
143
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
144 resp->resp = m_strdup(userDatap->user);
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 158
diff changeset
145 TRACE(("userDatap->user='%s'", userDatap->user))
119
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
146 (*respp) = resp;
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
147 break;
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
148
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
149 default:
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 158
diff changeset
150 TRACE(("Unknown message type"))
119
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
151 rc = PAM_CONV_ERR;
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
152 break;
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
153 }
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
154
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
155 m_free(compare_message);
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 158
diff changeset
156 TRACE(("leave pamConvFunc, rc %d", rc))
119
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
157
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
158 return rc;
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159 }
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 /* Process a password auth request, sending success or failure messages as
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
162 * appropriate. To the client it looks like it's doing normal password auth (as
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
163 * opposed to keyboard-interactive or something), so the pam module has to be
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
164 * fairly standard (ie just "what's your username, what's your password, OK").
119
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
165 *
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
166 * Keyboard interactive would be a lot nicer, but since PAM is synchronous, it
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
167 * gets very messy trying to send the interactive challenges, and read the
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
168 * interactive responses, over the network. */
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
169 void svr_auth_pam() {
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
170
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
171 struct UserDataS userData = {NULL, NULL};
119
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
172 struct pam_conv pamConv = {
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
173 pamConvFunc,
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
174 &userData /* submitted to pamvConvFunc as appdata_ptr */
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
175 };
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
176
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
177 pam_handle_t* pamHandlep = NULL;
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
178
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
179 unsigned char * password = NULL;
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
180 unsigned int passwordlen;
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
181
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
182 int rc = PAM_SUCCESS;
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
183 unsigned char changepw;
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
184
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
185 /* check if client wants to change password */
179
161557a9dde8 * fix longstanding bug with connections being closed on failure to
Matt Johnston <matt@ucc.asn.au>
parents: 169
diff changeset
186 changepw = buf_getbool(ses.payload);
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
187 if (changepw) {
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
188 /* not implemented by this server */
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
189 send_msg_userauth_failure(0, 1);
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
190 goto cleanup;
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
191 }
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
192
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
193 password = buf_getstring(ses.payload, &passwordlen);
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
194
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
195 /* used to pass data to the PAM conversation function - don't bother with
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
196 * strdup() etc since these are touched only by our own conversation
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
197 * function (above) which takes care of it */
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
198 userData.user = ses.authstate.printableuser;
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
199 userData.passwd = password;
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
200
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
201 /* Init pam */
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Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
202 if ((rc = pam_start("sshd", NULL, &pamConv, &pamHandlep)) != PAM_SUCCESS) {
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
203 dropbear_log(LOG_WARNING, "pam_start() failed, rc=%d, %s\n",
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
204 rc, pam_strerror(pamHandlep, rc));
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
205 goto cleanup;
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
206 }
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
207
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
208 /* just to set it to something */
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
209 if ((rc = pam_set_item(pamHandlep, PAM_TTY, "ssh") != PAM_SUCCESS)) {
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
210 dropbear_log(LOG_WARNING, "pam_set_item() failed, rc=%d, %s\n",
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
211 rc, pam_strerror(pamHandlep, rc));
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
212 goto cleanup;
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
213 }
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
214
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
215 (void) pam_fail_delay(pamHandlep, 0 /* musec_delay */);
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
216
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
217 /* (void) pam_set_item(pamHandlep, PAM_FAIL_DELAY, (void*) pamDelayFunc); */
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
218
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
219 if ((rc = pam_authenticate(pamHandlep, 0)) != PAM_SUCCESS) {
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
220 dropbear_log(LOG_WARNING, "pam_authenticate() failed, rc=%d, %s\n",
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
221 rc, pam_strerror(pamHandlep, rc));
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
222 dropbear_log(LOG_WARNING,
158
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
223 "bad PAM password attempt for '%s' from %s",
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
224 ses.authstate.printableuser,
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
225 svr_ses.addrstring);
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
226 send_msg_userauth_failure(0, 1);
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
227 goto cleanup;
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
228 }
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
229
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
230 if ((rc = pam_acct_mgmt(pamHandlep, 0)) != PAM_SUCCESS) {
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
231 dropbear_log(LOG_WARNING, "pam_acct_mgmt() failed, rc=%d, %s\n",
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
232 rc, pam_strerror(pamHandlep, rc));
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
233 dropbear_log(LOG_WARNING,
158
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
234 "bad PAM password attempt for '%s' from %s",
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
235 ses.authstate.printableuser,
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
236 svr_ses.addrstring);
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
237 send_msg_userauth_failure(0, 1);
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
238 goto cleanup;
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
239 }
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
240
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
241 /* successful authentication */
158
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
242 dropbear_log(LOG_NOTICE, "PAM password auth succeeded for '%s' from %s",
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
243 ses.authstate.printableuser,
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
244 svr_ses.addrstring);
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
245 send_msg_userauth_success();
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
246
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
247 cleanup:
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
248 if (password != NULL) {
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
249 m_burn(password, passwordlen);
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
250 m_free(password);
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
251 }
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
252 if (pamHandlep != NULL) {
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 158
diff changeset
253 TRACE(("pam_end"))
119
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
254 (void) pam_end(pamHandlep, 0 /* pam_status */);
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam'
Matt Johnston <matt@ucc.asn.au>
parents: 57
diff changeset
255 }
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
256 }
127
33d976eeb859 put the #ifdefs back in for authpam
Matt Johnston <matt@ucc.asn.au>
parents: 121
diff changeset
257
33d976eeb859 put the #ifdefs back in for authpam
Matt Johnston <matt@ucc.asn.au>
parents: 121
diff changeset
258 #endif /* ENABLE_SVR_PAM_AUTH */