2 * Copyright (c) 2001 Networks Associates Technology, Inc.
5 * This software was developed for the FreeBSD Project by ThinkSec AS and
6 * NAI Labs, the Security Research Division of Network Associates, Inc.
7 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
8 * DARPA CHATS research program.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote
19 * products derived from this software without specific prior written
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $FreeBSD: src/lib/libpam/modules/pam_ftpusers/pam_ftpusers.c,v 1.1 2002/05/08 00:30:10 des Exp $
45 #define PAM_SM_ACCOUNT
47 #include <security/pam_appl.h>
48 #include <security/pam_modules.h>
49 #include <security/pam_mod_misc.h>
50 #include <security/openpam.h>
53 pam_sm_acct_mgmt(pam_handle_t
*pamh
, int flags __unused
,
54 int argc __unused
, const char *argv
[] __unused
)
59 int pam_err
, found
, allow
;
60 char *line
, *name
, **mem
;
64 pam_err
= pam_get_user(pamh
, &user
, NULL
);
65 if (pam_err
!= PAM_SUCCESS
)
67 if (user
== NULL
|| (pwd
= getpwnam(user
)) == NULL
)
68 return (PAM_SERVICE_ERR
);
72 if ((f
= fopen(_PATH_FTPUSERS
, "r")) == NULL
) {
73 PAM_LOG("%s: %m", _PATH_FTPUSERS
);
76 while (!found
&& (line
= fgetln(f
, &len
)) != NULL
) {
79 while (len
> 0 && isspace(line
[len
- 1]))
83 /* simple case first */
85 if (len
== ulen
&& strncmp(user
, line
, len
) == 0)
89 /* member of specified group? */
90 asprintf(&name
, "%.*s", (int)len
- 1, line
+ 1);
99 for (mem
= grp
->gr_mem
; mem
&& *mem
&& !found
; ++mem
)
100 if (strcmp(user
, *mem
) == 0)
104 allow
= (openpam_get_option(pamh
, "disallow") == NULL
);
106 pam_err
= allow
? PAM_SUCCESS
: PAM_AUTH_ERR
;
108 pam_err
= allow
? PAM_AUTH_ERR
: PAM_SUCCESS
;
114 PAM_MODULE_ENTRY("pam_ftpusers");