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/*
* Copyright (c) 1997 Cygnus Solutions.
*
* Author: Michael Graff
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "krb5.h"
#include "com_err.h"
#include "cns.h"
#include "../lib/gic.h"
/*
* k5_change_password
*
* Use the new functions to change the password.
*/
krb5_error_code
k5_change_password(HWND hwnd, krb5_context context, char *user, char *realm,
char *opasswd, char *npasswd, char **text)
{
krb5_error_code ret;
krb5_data result_string;
krb5_data result_code_string;
int result_code;
krb5_get_init_creds_opt opts;
krb5_creds creds;
krb5_principal princ;
char *name;
gic_data gd;
*text = NULL;
name = malloc(strlen(user) + strlen(realm) + 2);
if (name == NULL) {
*text = "Failed to allocate memory while changing password";
return 1;
}
sprintf(name, "%s@%s", user, realm);
ret = krb5_parse_name(context, name, &princ);
free(name);
if (ret) {
*text = "while parsing name";
return ret;
}
krb5_get_init_creds_opt_init(&opts);
krb5_get_init_creds_opt_set_tkt_life(&opts, 5*60);
krb5_get_init_creds_opt_set_renew_life(&opts, 0);
krb5_get_init_creds_opt_set_forwardable(&opts, 0);
krb5_get_init_creds_opt_set_proxiable(&opts, 0);
gd.hinstance = hinstance;
gd.hwnd = hwnd;
gd.id = ID_VARDLG;
ret = krb5_get_init_creds_password(context, &creds, princ, opasswd, gic_prompter,
&gd, 0, "kadmin/changepw", &opts);
if (ret) {
*text = "while getting creds";
return ret;
}
ret = krb5_change_password(context, &creds, npasswd, &result_code, &result_code_string,
&result_string);
if (ret) {
*text = "while changing password";
return ret;
}
if (result_code) {
*text = malloc(result_code_string.length + result_string.length + 3);
if (*text == NULL)
return -1;
sprintf(*text, "%.*s%s%.*s",
result_code_string.length, result_code_string.data,
(result_string.length ? ": " : ""),
result_string.length,
result_string.data ? result_string.data : "");
}
return 0;
}
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