diff options
author | des <des@FreeBSD.org> | 2008-12-13 22:45:22 +0000 |
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committer | des <des@FreeBSD.org> | 2008-12-13 22:45:22 +0000 |
commit | 646ea20decc87530f871e5c56e96980c93fcf391 (patch) | |
tree | 9151e2f3daf5644596ed8a0e176d5e719b780a10 /lib/pam_setenv.c | |
parent | 5bb985da807ca1473ce8a14def069f52914bce8e (diff) | |
download | FreeBSD-src-646ea20decc87530f871e5c56e96980c93fcf391.zip FreeBSD-src-646ea20decc87530f871e5c56e96980c93fcf391.tar.gz |
Flatten and clean up.
Diffstat (limited to 'lib/pam_setenv.c')
-rw-r--r-- | lib/pam_setenv.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/lib/pam_setenv.c b/lib/pam_setenv.c new file mode 100644 index 0000000..e73f6b5 --- /dev/null +++ b/lib/pam_setenv.c @@ -0,0 +1,98 @@ +/*- + * Copyright (c) 2002-2003 Networks Associates Technology, Inc. + * Copyright (c) 2004-2007 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. + * + * $Id: pam_setenv.c 408 2007-12-21 11:36:24Z des $ + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include <security/pam_appl.h> + +#include "openpam_impl.h" + +/* + * OpenPAM extension + * + * Set the value of an environment variable + * Mirrors setenv(3) + */ + +int +pam_setenv(pam_handle_t *pamh, + const char *name, + const char *value, + int overwrite) +{ + char *env; + int r; + + ENTER(); + if (pamh == NULL) + RETURNC(PAM_SYSTEM_ERR); + + /* sanity checks */ + if (name == NULL || value == NULL || strchr(name, '=') != NULL) + RETURNC(PAM_SYSTEM_ERR); + + /* is it already there? */ + if (!overwrite && openpam_findenv(pamh, name, strlen(name)) >= 0) + RETURNC(PAM_SUCCESS); + + /* set it... */ + if (asprintf(&env, "%s=%s", name, value) < 0) + RETURNC(PAM_BUF_ERR); + r = pam_putenv(pamh, env); + FREE(env); + RETURNC(r); +} + +/* + * Error codes: + * + * =pam_putenv + * PAM_SYSTEM_ERR + * PAM_BUF_ERR + */ + +/** + * The =pam_setenv function sets a environment variable. + * Its semantics are similar to those of =setenv, but it modifies the PAM + * context's environment list instead of the application's. + * + * >pam_getenv + * >pam_getenvlist + * >pam_putenv + */ |