NetBSD/dist/openpam/lib/pam_get_data.c

88 lines
2.9 KiB
C

/*-
* Copyright (c) 2002-2003 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_get_data.c#13 $
*/
#include <stdint.h>
#include <string.h>
#include <security/pam_appl.h>
#include "openpam_impl.h"
/*
* XSSO 4.2.1
* XSSO 6 page 43
*
* Get module information
*/
int
pam_get_data(pam_handle_t *pamh,
const char *module_data_name,
void **data)
{
pam_data_t *dp;
ENTERS(module_data_name);
if (pamh == NULL)
RETURNC(PAM_SYSTEM_ERR);
for (dp = pamh->module_data; dp != NULL; dp = dp->next) {
if (strcmp(dp->name, module_data_name) == 0) {
*data = (void *)(intptr_t)dp->data;
RETURNC(PAM_SUCCESS);
}
}
RETURNC(PAM_NO_MODULE_DATA);
/*NOTREACHED*/
}
/*
* Error codes:
*
* PAM_SYSTEM_ERR
* PAM_NO_MODULE_DATA
*/
/**
* The =pam_get_data function looks up the opaque object associated with
* the string specified by the =module_data_name argument, in the PAM
* context specified by the =pamh argument.
* A pointer to the object is stored in the location pointed to by the
* =data argument.
*
* This function and its counterpart =pam_set_data are useful for managing
* data that are meaningful only to a particular service module.
*/