1 /*- 2 * Copyright (c) 2005-2011 Dag-Erling Smørgrav 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifdef HAVE_CONFIG_H 29 # include "config.h" 30 #endif 31 32 #include <stdlib.h> 33 34 #include <security/pam_appl.h> 35 36 #include "openpam_impl.h" 37 38 /* 39 * OpenPAM extension 40 * 41 * Free an environment list 42 */ 43 44 void 45 openpam_free_envlist(char **envlist) 46 { 47 char **env; 48 49 ENTER(); 50 if (envlist == NULL) 51 RETURNV(); 52 for (env = envlist; *env != NULL; ++env) 53 FREE(*env); 54 FREE(envlist); 55 RETURNV(); 56 } 57 58 /* 59 * Error codes: 60 */ 61 62 /** 63 * The =openpam_free_envlist function is a convenience function which 64 * frees all the environment variables in an environment list, and the 65 * list itself. 66 * It is suitable for freeing the return value from =pam_getenvlist. 67 * 68 * AUTHOR DES 69 */ 70