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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1992-1995, by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <security/pam_appl.h>
#include <string.h>
#include <stdlib.h>
#include <malloc.h>
#include "sample_utils.h"
/* ******************************************************************** */
/* */
/* Utilities Functions */
/* */
/* ******************************************************************** */
/*
* __free_msg():
* free storage for messages used in the call back "pam_conv" functions
*/
void
__free_msg(num_msg, msg)
int num_msg;
struct pam_message *msg;
{
int i;
struct pam_message *m;
if (msg) {
m = msg;
for (i = 0; i < num_msg; i++, m++) {
if (m->msg)
free(m->msg);
}
free(msg);
}
}
/*
* __free_resp():
* free storage for responses used in the call back "pam_conv" functions
*/
void
__free_resp(num_msg, resp)
int num_msg;
struct pam_response *resp;
{
int i;
struct pam_response *r;
if (resp) {
r = resp;
for (i = 0; i < num_msg; i++, r++) {
if (r->resp)
free(r->resp);
}
free(resp);
}
}
/*
* __display_errmsg():
* display error message by calling the call back functions
* provided by the application through "pam_conv" structure
*/
int
__display_errmsg(conv_funp, num_msg, messages, conv_apdp)
int (*conv_funp)();
int num_msg;
char messages[PAM_MAX_NUM_MSG][PAM_MAX_MSG_SIZE];
void *conv_apdp;
{
struct pam_message *msg;
struct pam_message *m;
struct pam_response *resp;
int i;
int k;
int retcode;
msg = (struct pam_message *)calloc(num_msg,
sizeof (struct pam_message));
if (msg == NULL) {
return (PAM_CONV_ERR);
}
m = msg;
i = 0;
k = num_msg;
resp = NULL;
while (k--) {
/*
* fill out the pam_message structure to display error message
*/
m->msg_style = PAM_ERROR_MSG;
m->msg = (char *)malloc(PAM_MAX_MSG_SIZE);
if (m->msg != NULL)
(void) strcpy(m->msg, (const char *)messages[i]);
else
continue;
m++;
i++;
}
/*
* Call conv function to display the message,
* ignoring return value for now
*/
retcode = conv_funp(num_msg, &msg, &resp, conv_apdp);
__free_msg(num_msg, msg);
__free_resp(num_msg, resp);
return (retcode);
}
/*
* __get_authtok():
* get authentication token by calling the call back functions
* provided by the application through "pam_conv" structure
*/
int
__get_authtok(conv_funp, num_msg, messages, conv_apdp, ret_respp)
int (*conv_funp)();
int num_msg;
char messages[PAM_MAX_NUM_MSG][PAM_MAX_MSG_SIZE];
void *conv_apdp;
struct pam_response **ret_respp;
{
struct pam_message *msg;
struct pam_message *m;
int i;
int k;
int retcode;
i = 0;
k = num_msg;
msg = (struct pam_message *)calloc(num_msg,
sizeof (struct pam_message));
if (msg == NULL) {
return (PAM_CONV_ERR);
}
m = msg;
while (k--) {
/*
* fill out the message structure to display error message
*/
m->msg_style = PAM_PROMPT_ECHO_OFF;
m->msg = (char *)malloc(PAM_MAX_MSG_SIZE);
if (m->msg != NULL)
(void) strcpy(m->msg, (char *)messages[i]);
else
continue;
m++;
i++;
}
/*
* Call conv function to display the prompt,
* ignoring return value for now
*/
retcode = conv_funp(num_msg, &msg, ret_respp, conv_apdp);
__free_msg(num_msg, msg);
return (retcode);
}
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