Mercurial > dropbear

annotate svr-authpam.c @ 647:939cd3e22c87 dropbear-tfm

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
- Fix constraints so we don't get warned about uninitialised variable (it isn't used as input by the asm)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 30 Nov 2011 23:15:21 +0800
parents a98a2138364a
children a842469ce8ad
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 /*
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
2 * Dropbear SSH
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
3 *
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
4 * Copyright (c) 2004 Martin Carlsson
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
5 * Portions (c) 2004 Matt Johnston
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6 * All rights reserved.
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7 *
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
9 * of this software and associated documentation files (the "Software"), to deal
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
10 * in the Software without restriction, including without limitation the rights
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
12 * copies of the Software, and to permit persons to whom the Software is
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
13 * furnished to do so, subject to the following conditions:
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
14 *
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15 * The above copyright notice and this permission notice shall be included in
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16 * all copies or substantial portions of the Software.
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
17 *
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
24 * SOFTWARE. */
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
25
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
26 /* Validates a user password using PAM */
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
27
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
28 #include "includes.h"
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
29 #include "session.h"
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
30 #include "buffer.h"
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
31 #include "dbutil.h"
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
32 #include "auth.h"
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
33
432
517e76bdfb2d Make sure the #includes for pam only get hit if PAM is enabled.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
34 #ifdef ENABLE_SVR_PAM_AUTH
517e76bdfb2d Make sure the #includes for pam only get hit if PAM is enabled.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
35
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
36 #if defined(HAVE_SECURITY_PAM_APPL_H)
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
37 #include <security/pam_appl.h>
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
38 #elif defined (HAVE_PAM_PAM_APPL_H)
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
39 #include <pam/pam_appl.h>
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
40 #endif
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
41
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
42 struct UserDataS {
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
43 char* user;
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
44 char* passwd;
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
45 };
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
46
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
47 /* PAM conversation function - for now we only handle one message */
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
48 int
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
49 pamConvFunc(int num_msg,
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
50 const struct pam_message **msg,
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
51 struct pam_response **respp,
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
52 void *appdata_ptr) {
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
53
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
54 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
55 struct pam_response* resp = 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
56 struct UserDataS* userDatap = (struct UserDataS*) appdata_ptr;
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
57 unsigned int msg_len = 0;
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
58 unsigned int i = 0;
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
59
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
60 const char* message = (*msg)->msg;
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
61
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 226
diff changeset
62 /* make a copy we can strip */
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
63 char * compare_message = m_strdup(message);
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
64
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
65 TRACE(("enter pamConvFunc"))
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
66
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
67 if (num_msg != 1) {
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
68 /* If you're getting here - Dropbear probably can't support your pam
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
69 * modules. This whole file is a bit of a hack around lack of
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
70 * asynchronocity in PAM anyway. */
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
71 dropbear_log(LOG_INFO, "pamConvFunc() called with >1 messages: not supported.");
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
72 return PAM_CONV_ERR;
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
73 }
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
74
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
75 TRACE(("msg_style is %d", (*msg)->msg_style))
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
76 if (compare_message) {
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
77 TRACE(("message is '%s'", compare_message))
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
78 } else {
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
79 TRACE(("null message"))
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
80 }
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
81
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
82
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 226
diff changeset
83 /* Make the string lowercase. */
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
84 msg_len = strlen(compare_message);
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
85 for (i = 0; i < msg_len; i++) {
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
86 compare_message[i] = tolower(compare_message[i]);
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
87 }
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
88
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 226
diff changeset
89 /* If the string ends with ": ", remove the space.
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 226
diff changeset
90 ie "login: " vs "login:" */
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
91 if (msg_len > 2
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
92 && compare_message[msg_len-2] == ':'
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
93 && compare_message[msg_len-1] == ' ') {
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
94 compare_message[msg_len-1] = '\0';
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
95 }
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
96
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
97 switch((*msg)->msg_style) {
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
98
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
99 case PAM_PROMPT_ECHO_OFF:
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
100
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
101 if (!(strcmp(compare_message, "password:") == 0)) {
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 226
diff changeset
102 /* We don't recognise the prompt as asking for a password,
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 226
diff changeset
103 so can't handle it. Add more above as required for
594
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 573
diff changeset
104 different pam modules/implementations. If you need
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 573
diff changeset
105 to add an entry here please mail the Dropbear developer */
573
d3ea8b9672f0 - Test for pam_fail_delay() function in configure
Matt Johnston <matt@ucc.asn.au>
parents: 464
diff changeset
106 dropbear_log(LOG_NOTICE, "PAM unknown prompt '%s' (no echo)",
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
107 compare_message);
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
108 rc = PAM_CONV_ERR;
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
109 break;
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
110 }
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
111
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
112 /* 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
113 * 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
114 * 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
115 * it here */
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
116 resp = (struct pam_response*) m_malloc(sizeof(struct pam_response));
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
117 memset(resp, 0, sizeof(struct pam_response));
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
118
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
119 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
120 m_burn(userDatap->passwd, strlen(userDatap->passwd));
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
121 (*respp) = resp;
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
122 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
123
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
124
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
125 case PAM_PROMPT_ECHO_ON:
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
126
573
d3ea8b9672f0 - Test for pam_fail_delay() function in configure
Matt Johnston <matt@ucc.asn.au>
parents: 464
diff changeset
127 if (!(
d3ea8b9672f0 - Test for pam_fail_delay() function in configure
Matt Johnston <matt@ucc.asn.au>
parents: 464
diff changeset
128 (strcmp(compare_message, "login:" ) == 0)
d3ea8b9672f0 - Test for pam_fail_delay() function in configure
Matt Johnston <matt@ucc.asn.au>
parents: 464
diff changeset
129 || (strcmp(compare_message, "please enter username:") == 0)
d3ea8b9672f0 - Test for pam_fail_delay() function in configure
Matt Johnston <matt@ucc.asn.au>
parents: 464
diff changeset
130 || (strcmp(compare_message, "username:") == 0)
d3ea8b9672f0 - Test for pam_fail_delay() function in configure
Matt Johnston <matt@ucc.asn.au>
parents: 464
diff changeset
131 )) {
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 226
diff changeset
132 /* We don't recognise the prompt as asking for a username,
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 226
diff changeset
133 so can't handle it. Add more above as required for
594
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 573
diff changeset
134 different pam modules/implementations. If you need
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 573
diff changeset
135 to add an entry here please mail the Dropbear developer */
573
d3ea8b9672f0 - Test for pam_fail_delay() function in configure
Matt Johnston <matt@ucc.asn.au>
parents: 464
diff changeset
136 dropbear_log(LOG_NOTICE, "PAM unknown prompt '%s' (with echo)",
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
137 compare_message);
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
138 rc = PAM_CONV_ERR;
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
139 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
140 }
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
141
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
142 /* 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
143 * 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
144 * 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
145 * it here */
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
146 resp = (struct pam_response*) m_malloc(sizeof(struct pam_response));
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
147 memset(resp, 0, sizeof(struct pam_response));
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 119
diff changeset
148
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
149 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
150 TRACE(("userDatap->user='%s'", userDatap->user))
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
151 (*respp) = resp;
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
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
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
154 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
155 TRACE(("Unknown message type"))
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
156 rc = PAM_CONV_ERR;
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
157 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
158 }
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
159
226
9a9c6d633972 channel.h: make definition extern
Matt Johnston <matt@ucc.asn.au>
parents: 179
diff changeset
160 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
161 TRACE(("leave pamConvFunc, rc %d", rc))
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
162
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
163 return rc;
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164 }
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
165
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
166 /* 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
167 * 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
168 * 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
169 * fairly standard (ie just "what's your username, what's your password, OK").
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 *
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
171 * Keyboard interactive would be a lot nicer, but since PAM is synchronous, it
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
172 * gets very messy trying to send the interactive challenges, and read the
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
173 * 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
174 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
175
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
176 struct UserDataS userData = {NULL, NULL};
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 struct pam_conv pamConv = {
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
178 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
179 &userData /* submitted to pamvConvFunc as appdata_ptr */
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 };
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
181
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
182 pam_handle_t* pamHandlep = 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
183
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
184 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
185 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
186
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 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
188 unsigned char changepw;
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
189
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
190 /* 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
191 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
192 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
193 /* not implemented by this server */
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
194 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
195 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
196 }
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
197
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 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
199
131
9c372a039532 strdup() variables correctly for the PAM conversation function
Matt Johnston <matt@ucc.asn.au>
parents: 127
diff changeset
200 /* 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
201 * 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
202 * function (above) which takes care of it */
464
4317be8b7cf9 Make a copy of passwd fields since getpwnam()'s retval isn't safe to keep
Matt Johnston <matt@ucc.asn.au>
parents: 432
diff changeset
203 userData.user = ses.authstate.pw_name;
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
204 userData.passwd = password;
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
205
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
206 /* Init pam */
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
207 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
208 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
209 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
210 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
211 }
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
212
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
213 /* 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
214 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
215 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
216 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
217 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
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
573
d3ea8b9672f0 - Test for pam_fail_delay() function in configure
Matt Johnston <matt@ucc.asn.au>
parents: 464
diff changeset
220 #ifdef HAVE_PAM_FAIL_DELAY
d3ea8b9672f0 - Test for pam_fail_delay() function in configure
Matt Johnston <matt@ucc.asn.au>
parents: 464
diff changeset
221 /* We have our own random delay code already, disable PAM's */
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
222 (void) pam_fail_delay(pamHandlep, 0 /* musec_delay */);
573
d3ea8b9672f0 - Test for pam_fail_delay() function in configure
Matt Johnston <matt@ucc.asn.au>
parents: 464
diff changeset
223 #endif
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
224
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
225 /* (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
226
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 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
228 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
229 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
230 dropbear_log(LOG_WARNING,
594
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 573
diff changeset
231 "Bad PAM password attempt for '%s' from %s",
464
4317be8b7cf9 Make a copy of passwd fields since getpwnam()'s retval isn't safe to keep
Matt Johnston <matt@ucc.asn.au>
parents: 432
diff changeset
232 ses.authstate.pw_name,
158
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
233 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
234 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
235 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
236 }
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
237
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
238 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
239 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
240 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
241 dropbear_log(LOG_WARNING,
594
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 573
diff changeset
242 "Bad PAM password attempt for '%s' from %s",
464
4317be8b7cf9 Make a copy of passwd fields since getpwnam()'s retval isn't safe to keep
Matt Johnston <matt@ucc.asn.au>
parents: 432
diff changeset
243 ses.authstate.pw_name,
158
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_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
246 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
247 }
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
248
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
249 /* successful authentication */
158
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
250 dropbear_log(LOG_NOTICE, "PAM password auth succeeded for '%s' from %s",
464
4317be8b7cf9 Make a copy of passwd fields since getpwnam()'s retval isn't safe to keep
Matt Johnston <matt@ucc.asn.au>
parents: 432
diff changeset
251 ses.authstate.pw_name,
158
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 131
diff changeset
252 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
253 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
254
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 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
256 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
257 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
258 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
259 }
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
260 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
261 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
262 (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
263 }
57
3b2a5a1c4347 svr-authpam code merged and works. needs tidying a log
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
264 }
127
33d976eeb859 put the #ifdefs back in for authpam
Matt Johnston <matt@ucc.asn.au>
parents: 121
diff changeset
265
33d976eeb859 put the #ifdefs back in for authpam
Matt Johnston <matt@ucc.asn.au>
parents: 121
diff changeset
266 #endif /* ENABLE_SVR_PAM_AUTH */