/*- * Copyright (c) 2002 Networks Associates Technology, Inc. * 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. * * $P4: //depot/projects/openpam/lib/pam_setenv.c#7 $ */ #include #include #include #include #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; if (pamh == NULL) return (PAM_SYSTEM_ERR); /* sanity checks */ if (name == NULL || value == NULL || strchr(name, '=') != NULL) return (PAM_SYSTEM_ERR); /* is it already there? */ if (!overwrite && openpam_findenv(pamh, name, strlen(name)) != -1) return (PAM_SUCCESS); /* set it... */ if ((env = malloc(strlen(name) + strlen(value) + 2)) == NULL) return (PAM_BUF_ERR); sprintf(env, "%s=%s", name, value); r = pam_putenv(pamh, env); free(env); return (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 */