freebsd-skq/contrib/openpam/lib/pam_set_data.c
2002-03-14 20:42:07 +00:00

103 lines
3.2 KiB
C

/*-
* Copyright (c) 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* This software was developed for the FreeBSD Project by ThinkSec AS and
* NAI Labs, 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_set_data.c#8 $
*/
#include <stdlib.h>
#include <string.h>
#include <security/pam_appl.h>
#include "openpam_impl.h"
/*
* XSSO 4.2.1
* XSSO 6 page 59
*
* Set module information
*/
int
pam_set_data(pam_handle_t *pamh,
const char *module_data_name,
void *data,
void (*cleanup)(pam_handle_t *pamh,
void *data,
int pam_end_status))
{
pam_data_t *dp;
if (pamh == NULL)
return (PAM_SYSTEM_ERR);
for (dp = pamh->module_data; dp != NULL; dp = dp->next) {
if (strcmp(dp->name, module_data_name) == 0) {
if (dp->cleanup)
(dp->cleanup)(pamh, dp->data, PAM_SUCCESS);
dp->data = data;
dp->cleanup = cleanup;
return (PAM_SUCCESS);
}
}
if ((dp = malloc(sizeof *dp)) == NULL)
return (PAM_BUF_ERR);
if ((dp->name = strdup(module_data_name)) == NULL) {
free(data);
return (PAM_BUF_ERR);
}
dp->next = pamh->module_data;
pamh->module_data = data;
return (PAM_SUCCESS);
}
/*
* Error codes:
*
* PAM_SYSTEM_ERR
* PAM_BUF_ERR
*/
/**
* The =pam_set_data function associates a pointer to an opaque object
* with an arbitrary string specified by the =module_data_name argument,
* in the PAM context specified by the =pamh argument.
*
* If not =NULL, the =cleanup argument should point to a function
* responsible for releasing the resources associated with the object.
*
* This function and its counterpart =pam_get_data are useful for managing
* data that are meaningful only to a particular service module.
*/