83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
/*-
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* Copyright (c) 2002-2003 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* This software was developed for the FreeBSD Project by ThinkSec AS and
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* Network Associates Laboratories, the Security Research Division of
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* Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
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* ("CBOSS"), as part of the DARPA CHATS research program.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $P4: //depot/projects/openpam/lib/openpam_get_option.c#10 $
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*/
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#include <sys/param.h>
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#include <string.h>
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#include <security/pam_appl.h>
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#include <security/openpam.h>
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#include "openpam_impl.h"
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/*
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* OpenPAM extension
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*
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* Returns the value of a module option
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*/
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const char *
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openpam_get_option(pam_handle_t *pamh,
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const char *option)
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{
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pam_chain_t *cur;
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size_t len;
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int i;
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ENTERS(option);
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if (pamh == NULL || pamh->current == NULL || option == NULL)
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RETURNS(NULL);
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cur = pamh->current;
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len = strlen(option);
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for (i = 0; i < cur->optc; ++i) {
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if (strncmp(cur->optv[i], option, len) == 0) {
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if (cur->optv[i][len] == '\0')
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RETURNS(&cur->optv[i][len]);
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else if (cur->optv[i][len] == '=')
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RETURNS(&cur->optv[i][len + 1]);
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}
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}
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RETURNS(NULL);
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}
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/**
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* The =openpam_get_option function returns the value of the specified
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* option in the context of the currently executing service module, or
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* =NULL if the option is not set or no module is currently executing.
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*
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* >openpam_set_option
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*/
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