2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3 * Copyright (c) 2004-2007 Dag-Erling Smørgrav
6 * This software was developed for the FreeBSD Project by ThinkSec AS and
7 * Network Associates Laboratories, the Security Research Division of
8 * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
9 * ("CBOSS"), as part of the DARPA CHATS research program.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote
20 * products derived from this software without specific prior written
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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35 * $Id: openpam_set_option.c 408 2007-12-21 11:36:24Z des $
38 #include <sys/param.h>
44 #include <security/pam_appl.h>
45 #include <security/openpam.h>
47 #include "openpam_impl.h"
52 * Sets the value of a module option
56 openpam_set_option(pam_handle_t *pamh,
66 if (pamh == NULL || pamh->current == NULL || option == NULL)
67 RETURNC(PAM_SYSTEM_ERR);
69 for (len = 0; option[len] != '\0'; ++len)
70 if (option[len] == '=')
72 for (i = 0; i < cur->optc; ++i) {
73 if (strncmp(cur->optv[i], option, len) == 0 &&
74 (cur->optv[i][len] == '\0' || cur->optv[i][len] == '='))
81 for (free(cur->optv[i]); i < cur->optc; ++i)
82 cur->optv[i] = cur->optv[i + 1];
86 if (asprintf(&opt, "%.*s=%s", (int)len, option, value) < 0)
90 optv = realloc(cur->optv, sizeof(char *) * (cur->optc + 2));
104 RETURNC(PAM_SUCCESS);
115 * The =openpam_set_option function sets the specified option in the
116 * context of the currently executing service module.
118 * >openpam_get_option