diff options
Diffstat (limited to 'lib/pam_getenv.c')
| -rw-r--r-- | lib/pam_getenv.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/pam_getenv.c b/lib/pam_getenv.c new file mode 100644 index 0000000..f2d7910 --- /dev/null +++ b/lib/pam_getenv.c @@ -0,0 +1,83 @@ +/*- + * 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_getenv.c 408 2007-12-21 11:36:24Z des $ + */ + +#include <stdlib.h> +#include <string.h> + +#include <security/pam_appl.h> + +#include "openpam_impl.h" + +/* + * XSSO 4.2.1 + * XSSO 6 page 44 + * + * Retrieve the value of a PAM environment variable + */ + +const char * +pam_getenv(pam_handle_t *pamh, + const char *name) +{ + char *str; + int i; + + ENTERS(name); + if (pamh == NULL) + RETURNS(NULL); + if (name == NULL || strchr(name, '=') != NULL) + RETURNS(NULL); + if ((i = openpam_findenv(pamh, name, strlen(name))) < 0) + RETURNS(NULL); + for (str = pamh->env[i]; *str != '\0'; ++str) { + if (*str == '=') { + ++str; + break; + } + } + RETURNS(str); +} + +/** + * The =pam_getenv function returns the value of an environment variable. + * Its semantics are similar to those of =getenv, but it accesses the PAM + * context's environment list instead of the application's. + * + * >pam_getenvlist + * >pam_putenv + * >pam_setenv + */ |
