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📁 ..
📄 Makefile.am(2.07 KB)
📄 Makefile.in(34.58 KB)
📄 openpam_asprintf.c(1.99 KB)
📄 openpam_asprintf.h(1.78 KB)
📄 openpam_borrow_cred.c(3.8 KB)
📄 openpam_check_owner_perms.c(3.94 KB)
📄 openpam_configure.c(12.26 KB)
📄 openpam_constants.c(7.07 KB)
📄 openpam_constants.h(2.09 KB)
📄 openpam_cred.h(2.12 KB)
📄 openpam_ctype.h(3.15 KB)
📄 openpam_debug.h(3.87 KB)
📄 openpam_dispatch.c(6.77 KB)
📄 openpam_dlfunc.h(1.79 KB)
📄 openpam_dynamic.c(6.91 KB)
📄 openpam_features.c(2.42 KB)
📄 openpam_features.h(1.87 KB)
📄 openpam_findenv.c(2.37 KB)
📄 openpam_free_data.c(2.43 KB)
📄 openpam_free_envlist.c(2.16 KB)
📄 openpam_get_feature.c(3.03 KB)
📄 openpam_get_option.c(2.85 KB)
📄 openpam_impl.h(4.28 KB)
📄 openpam_load.c(3.6 KB)
📄 openpam_log.c(4.57 KB)
📄 openpam_nullconv.c(2.93 KB)
📄 openpam_readline.c(3.8 KB)
📄 openpam_readlinev.c(4.99 KB)
📄 openpam_readword.c(6.58 KB)
📄 openpam_restore_cred.c(2.93 KB)
📄 openpam_set_feature.c(2.28 KB)
📄 openpam_set_option.c(3.51 KB)
📄 openpam_static.c(2.39 KB)
📄 openpam_straddch.c(3.75 KB)
📄 openpam_strlcat.c(2 KB)
📄 openpam_strlcat.h(1.78 KB)
📄 openpam_strlcmp.h(1.93 KB)
📄 openpam_strlcpy.c(1.95 KB)
📄 openpam_strlcpy.h(1.78 KB)
📄 openpam_strlset.c(2.01 KB)
📄 openpam_strlset.h(1.77 KB)
📄 openpam_subst.c(4.56 KB)
📄 openpam_ttyconv.c(9.95 KB)
📄 openpam_vasprintf.c(2.14 KB)
📄 openpam_vasprintf.h(1.79 KB)
📄 pam_acct_mgmt.c(2.74 KB)
📄 pam_authenticate.c(3.13 KB)
📄 pam_authenticate_secondary.c(2.34 KB)
📄 pam_chauthtok.c(3.12 KB)
📄 pam_close_session.c(2.73 KB)
📄 pam_end.c(3.02 KB)
📄 pam_error.c(2.65 KB)
📄 pam_get_authtok.c(7.76 KB)
📄 pam_get_data.c(2.94 KB)
📄 pam_get_item.c(3.9 KB)
📄 pam_get_mapped_authtok.c(2.33 KB)
📄 pam_get_mapped_username.c(2.35 KB)
📄 pam_get_user.c(4.58 KB)
📄 pam_getenv.c(2.75 KB)
📄 pam_getenvlist.c(3.33 KB)
📄 pam_info.c(2.66 KB)
📄 pam_open_session.c(2.77 KB)
📄 pam_prompt.c(2.82 KB)
📄 pam_putenv.c(3.35 KB)
📄 pam_set_data.c(3.36 KB)
📄 pam_set_item.c(3.52 KB)
📄 pam_set_mapped_authtok.c(2.33 KB)
📄 pam_set_mapped_username.c(2.29 KB)
📄 pam_setcred.c(3.08 KB)
📄 pam_setenv.c(3.01 KB)
📄 pam_sm_acct_mgmt.c(2.58 KB)
📄 pam_sm_authenticate.c(2.61 KB)
📄 pam_sm_authenticate_secondary.c(2.44 KB)
📄 pam_sm_chauthtok.c(2.82 KB)
📄 pam_sm_close_session.c(2.54 KB)
📄 pam_sm_get_mapped_authtok.c(2.42 KB)
📄 pam_sm_get_mapped_username.c(2.43 KB)
📄 pam_sm_open_session.c(2.53 KB)
📄 pam_sm_set_mapped_authtok.c(2.42 KB)
📄 pam_sm_set_mapped_username.c(2.36 KB)
📄 pam_sm_setcred.c(2.57 KB)
📄 pam_start.c(3.78 KB)
📄 pam_strerror.c(2.72 KB)
📄 pam_verror.c(2.58 KB)
📄 pam_vinfo.c(2.58 KB)
📄 pam_vprompt.c(3.98 KB)

Editing: openpam_set_option.c

/*-
 * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
 * Copyright (c) 2004-2011 Dag-Erling Smørgrav
 * All rights reserved.
 *
 * This software was developed for the FreeBSD Project by ThinkSec AS and
 * Network Associates Laboratories, the Security Research Division of
 * Network Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
 * ("CBOSS"), as part of the DARPA CHATS research program.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote
 *    products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $OpenPAM: openpam_set_option.c 938 2017-04-30 21:34:42Z des $
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <sys/param.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <security/pam_appl.h>

#include "openpam_impl.h"
#include "openpam_asprintf.h"

/*
 * OpenPAM extension
 *
 * Sets the value of a module option
 */

int
openpam_set_option(pam_handle_t *pamh,
	const char *option,
	const char *value)
{
	pam_chain_t *cur;
	char *opt, **optv;
	size_t len;
	int i;

ENTERS(option);
	if (pamh == NULL || pamh->current == NULL || option == NULL)
		RETURNC(PAM_SYSTEM_ERR);
	cur = pamh->current;
	for (len = 0; option[len] != '\0'; ++len)
		if (option[len] == '=')
			break;
	for (i = 0; i < cur->optc; ++i) {
		if (strncmp(cur->optv[i], option, len) == 0 &&
		    (cur->optv[i][len] == '\0' || cur->optv[i][len] == '='))
			break;
	}
	if (value == NULL) {
		/* remove */
		if (i == cur->optc)
			RETURNC(PAM_SUCCESS);
		for (free(cur->optv[i]); i < cur->optc; ++i)
			cur->optv[i] = cur->optv[i + 1];
		cur->optv[i] = NULL;
		RETURNC(PAM_SUCCESS);
	}
	if (asprintf(&opt, "%.*s=%s", (int)len, option, value) < 0)
		RETURNC(PAM_BUF_ERR);
	if (i == cur->optc) {
		/* add */
		optv = realloc(cur->optv, sizeof(char *) * (cur->optc + 2));
		if (optv == NULL) {
			FREE(opt);
			RETURNC(PAM_BUF_ERR);
		}
		optv[i] = opt;
		optv[i + 1] = NULL;
		cur->optv = optv;
		++cur->optc;
	} else {
		/* replace */
		FREE(cur->optv[i]);
		cur->optv[i] = opt;
	}
	RETURNC(PAM_SUCCESS);
}

/*
 * Error codes:
 *
 *	PAM_SYSTEM_ERR
 *	PAM_BUF_ERR
 */

/**
 * The =openpam_set_option function sets the specified option in the
 * context of the currently executing service module.
 *
 * >openpam_get_option
 */

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Editing: openpam_set_option.c

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