openpam_findenv.c revision 107937
191094Sdes/*- 292289Sdes * Copyright (c) 2002 Networks Associates Technology, Inc. 391094Sdes * All rights reserved. 491094Sdes * 591094Sdes * This software was developed for the FreeBSD Project by ThinkSec AS and 699158Sdes * Network Associates Laboratories, the Security Research Division of 799158Sdes * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 899158Sdes * ("CBOSS"), as part of the DARPA CHATS research program. 991094Sdes * 1091094Sdes * Redistribution and use in source and binary forms, with or without 1191094Sdes * modification, are permitted provided that the following conditions 1291094Sdes * are met: 1391094Sdes * 1. Redistributions of source code must retain the above copyright 1491094Sdes * notice, this list of conditions and the following disclaimer. 1591094Sdes * 2. Redistributions in binary form must reproduce the above copyright 1691094Sdes * notice, this list of conditions and the following disclaimer in the 1791094Sdes * documentation and/or other materials provided with the distribution. 1891094Sdes * 3. The name of the author may not be used to endorse or promote 1991094Sdes * products derived from this software without specific prior written 2091094Sdes * permission. 2191094Sdes * 2291094Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2391094Sdes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2491094Sdes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2591094Sdes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2691094Sdes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2791094Sdes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2891094Sdes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2991094Sdes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3091094Sdes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3191094Sdes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3291094Sdes * SUCH DAMAGE. 3391094Sdes * 34107937Sdes * $P4: //depot/projects/openpam/lib/openpam_findenv.c#9 $ 3591094Sdes */ 3691094Sdes 3791094Sdes#include <string.h> 3891094Sdes 3991094Sdes#include <security/pam_appl.h> 4091094Sdes 4191094Sdes#include "openpam_impl.h" 4291094Sdes 4391094Sdes/* 4491100Sdes * OpenPAM internal 4591100Sdes * 4691094Sdes * Locate an environment variable 4791094Sdes */ 4891094Sdes 4991094Sdesint 5091094Sdesopenpam_findenv(pam_handle_t *pamh, 5191094Sdes const char *name, 5291094Sdes size_t len) 5391094Sdes{ 5491094Sdes int i; 5591094Sdes 56107937Sdes ENTER(); 5791094Sdes if (pamh == NULL) 58107937Sdes RETURNI(-1); 5991094Sdes for (i = 0; i < pamh->env_count; ++i) 6091094Sdes if (strncmp(pamh->env[i], name, len) == 0 && 6191094Sdes pamh->env[i][len] == '=') 62107937Sdes RETURNI(i); 63107937Sdes RETURNI(-1); 6491094Sdes} 6591100Sdes 6691100Sdes/* 6791100Sdes * NODOC 6891100Sdes */ 69