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");