175 lines
3.3 KiB
C
175 lines
3.3 KiB
C
/* $XConsortium: sample_utils.c /main/2 1996/05/09 04:31:21 drk $ */
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/*
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* Copyright (c) 1992-1995, by Sun Microsystems, Inc.
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* All rights reserved.
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*/
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#ident "@(#)sample_utils.c 1.8 96/01/12 SMI"
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#include <security/pam_appl.h>
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#include <string.h>
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#include <stdlib.h>
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#include <malloc.h>
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#include "sample_utils.h"
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/* ******************************************************************** */
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/* */
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/* Utilities Functions */
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/* */
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/* ******************************************************************** */
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/*
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* free_msg():
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* free storage for messages used in the call back "pam_conv" functions
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*/
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void
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free_msg(num_msg, msg)
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int num_msg;
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struct pam_message *msg;
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{
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int i;
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struct pam_message *m;
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if (msg) {
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m = msg;
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for (i = 0; i < num_msg; i++, m++) {
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if (m->msg)
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free(m->msg);
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}
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free(msg);
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}
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}
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/*
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* free_resp():
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* free storage for responses used in the call back "pam_conv" functions
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*/
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void
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free_resp(num_msg, resp)
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int num_msg;
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struct pam_response *resp;
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{
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int i;
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struct pam_response *r;
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if (resp) {
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r = resp;
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for (i = 0; i < num_msg; i++, r++) {
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if (r->resp)
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free(r->resp);
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}
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free(resp);
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}
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}
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/*
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* display_errmsg():
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* display error message by calling the call back functions
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* provided by the application through "pam_conv" structure
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*/
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int
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display_errmsg(conv_funp, num_msg, messages, conv_apdp)
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int (*conv_funp)();
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int num_msg;
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char messages[PAM_MAX_NUM_MSG][PAM_MAX_MSG_SIZE];
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void *conv_apdp;
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{
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struct pam_message *msg;
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struct pam_message *m;
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struct pam_response *resp;
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int i;
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int k;
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int retcode;
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msg = (struct pam_message *)calloc(num_msg,
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sizeof (struct pam_message));
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if (msg == NULL) {
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return (PAM_CONV_ERR);
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}
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m = msg;
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i = 0;
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k = num_msg;
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resp = NULL;
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while (k--) {
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/*
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* fill out the pam_message structure to display error message
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*/
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m->msg_style = PAM_ERROR_MSG;
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m->msg = (char *)malloc(PAM_MAX_MSG_SIZE);
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if (m->msg != NULL)
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(void) strcpy(m->msg, (const char *)messages[i]);
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else
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continue;
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m++;
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i++;
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}
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/*
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* Call conv function to display the message,
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* ignoring return value for now
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*/
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retcode = conv_funp(num_msg, &msg, &resp, conv_apdp);
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free_msg(num_msg, msg);
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free_resp(num_msg, resp);
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return (retcode);
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}
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/*
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* get_authtok():
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* get authentication token by calling the call back functions
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* provided by the application through "pam_conv" structure
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*/
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int
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get_authtok(conv_funp, num_msg, messages, conv_apdp, ret_respp)
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int (*conv_funp)();
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int num_msg;
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char messages[PAM_MAX_NUM_MSG][PAM_MAX_MSG_SIZE];
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void *conv_apdp;
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struct pam_response **ret_respp;
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{
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struct pam_message *msg;
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struct pam_message *m;
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int i;
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int k;
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int retcode;
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i = 0;
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k = num_msg;
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msg = (struct pam_message *)calloc(num_msg,
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sizeof (struct pam_message));
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if (msg == NULL) {
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return (PAM_CONV_ERR);
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}
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m = msg;
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while (k--) {
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/*
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* fill out the message structure to display error message
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*/
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m->msg_style = PAM_PROMPT_ECHO_OFF;
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m->msg = (char *)malloc(PAM_MAX_MSG_SIZE);
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if (m->msg != NULL)
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(void) strcpy(m->msg, (char *)messages[i]);
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else
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continue;
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m++;
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i++;
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}
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/*
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* Call conv function to display the prompt,
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* ignoring return value for now
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*/
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retcode = conv_funp(num_msg, &msg, ret_respp, conv_apdp);
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free_msg(num_msg, msg);
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return (retcode);
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}
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