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authorJelmer Vernooij <jelmer@samba.org>2008-10-21 14:51:13 +0200
committerJelmer Vernooij <jelmer@samba.org>2008-10-21 14:51:13 +0200
commit5209a846a9157e649fcdcb561f7eaf19c8c0e465 (patch)
treeb0a7e52b5646c8eec182dbc391e7934b6804488c /source4/heimdal/kpasswd/kpasswd.c
parent625359b2e266105022309df8985720108ecd6f67 (diff)
parent2ee8d29d22bcb1c350ab59d71b0aee548489bc9c (diff)
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Merge branch 'master' of ssh://git.samba.org/data/git/samba into regsrv
Conflicts: source4/lib/registry/ldb.c source4/rpc_server/winreg/rpc_winreg.c
Diffstat (limited to 'source4/heimdal/kpasswd/kpasswd.c')
-rw-r--r--source4/heimdal/kpasswd/kpasswd.c247
1 files changed, 247 insertions, 0 deletions
diff --git a/source4/heimdal/kpasswd/kpasswd.c b/source4/heimdal/kpasswd/kpasswd.c
new file mode 100644
index 0000000000..b844628f6f
--- /dev/null
+++ b/source4/heimdal/kpasswd/kpasswd.c
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+/*
+ * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * 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. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
+ */
+
+#include "kpasswd_locl.h"
+RCSID("$Id: kpasswd.c 19078 2006-11-20 18:12:41Z lha $");
+
+static int version_flag;
+static int help_flag;
+static char *admin_principal_str;
+static char *cred_cache_str;
+
+static struct getargs args[] = {
+ { "admin-principal", 0, arg_string, &admin_principal_str },
+ { "cache", 'c', arg_string, &cred_cache_str },
+ { "version", 0, arg_flag, &version_flag },
+ { "help", 0, arg_flag, &help_flag }
+};
+
+static void
+usage (int ret, struct getargs *a, int num_args)
+{
+ arg_printusage (a, num_args, NULL, "[principal ...]");
+ exit (ret);
+}
+
+static int
+change_password(krb5_context context,
+ krb5_principal principal,
+ krb5_ccache id)
+{
+ krb5_data result_code_string, result_string;
+ int result_code;
+ krb5_error_code ret;
+ char pwbuf[BUFSIZ];
+ char *msg, *name;
+
+ krb5_data_zero (&result_code_string);
+ krb5_data_zero (&result_string);
+
+ name = msg = NULL;
+ if (principal == NULL)
+ asprintf(&msg, "New password: ");
+ else {
+ ret = krb5_unparse_name(context, principal, &name);
+ if (ret)
+ krb5_err(context, 1, ret, "krb5_unparse_name");
+
+ asprintf(&msg, "New password for %s: ", name);
+ }
+
+ if (msg == NULL)
+ krb5_errx (context, 1, "out of memory");
+
+ ret = UI_UTIL_read_pw_string (pwbuf, sizeof(pwbuf), msg, 1);
+ free(msg);
+ if (name)
+ free(name);
+ if (ret != 0) {
+ return 1;
+ }
+
+ ret = krb5_set_password_using_ccache (context, id, pwbuf,
+ principal,
+ &result_code,
+ &result_code_string,
+ &result_string);
+ if (ret) {
+ krb5_warn (context, ret, "krb5_set_password_using_ccache");
+ return 1;
+ }
+
+ printf ("%s%s%.*s\n", krb5_passwd_result_to_string(context, result_code),
+ result_string.length > 0 ? " : " : "",
+ (int)result_string.length,
+ result_string.length > 0 ? (char *)result_string.data : "");
+
+ krb5_data_free (&result_code_string);
+ krb5_data_free (&result_string);
+
+ return ret != 0;
+}
+
+
+int
+main (int argc, char **argv)
+{
+ krb5_error_code ret;
+ krb5_context context;
+ krb5_principal principal;
+ int optind = 0;
+ krb5_get_init_creds_opt *opt;
+ krb5_ccache id = NULL;
+ int exit_value;
+
+ optind = krb5_program_setup(&context, argc, argv,
+ args, sizeof(args) / sizeof(args[0]), usage);
+
+ if (help_flag)
+ usage (0, args, sizeof(args) / sizeof(args[0]));
+
+ if(version_flag){
+ print_version (NULL);
+ exit(0);
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ ret = krb5_init_context (&context);
+ if (ret)
+ errx (1, "krb5_init_context failed: %d", ret);
+
+ ret = krb5_get_init_creds_opt_alloc (context, &opt);
+ if (ret)
+ krb5_err(context, 1, ret, "krb5_get_init_creds_opt_alloc");
+
+ krb5_get_init_creds_opt_set_tkt_life (opt, 300);
+ krb5_get_init_creds_opt_set_forwardable (opt, FALSE);
+ krb5_get_init_creds_opt_set_proxiable (opt, FALSE);
+
+ if (cred_cache_str) {
+ ret = krb5_cc_resolve(context, cred_cache_str, &id);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_cc_resolve");
+ } else {
+ ret = krb5_cc_gen_new(context, &krb5_mcc_ops, &id);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_cc_gen_new");
+ }
+
+ if (cred_cache_str == NULL) {
+ krb5_principal admin_principal = NULL;
+ krb5_creds cred;
+
+ if (admin_principal_str) {
+ ret = krb5_parse_name (context, admin_principal_str,
+ &admin_principal);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_parse_name");
+ } else if (argc == 1) {
+ ret = krb5_parse_name (context, argv[0], &admin_principal);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_parse_name");
+ } else {
+ ret = krb5_get_default_principal (context, &admin_principal);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_get_default_principal");
+ }
+
+ ret = krb5_get_init_creds_password (context,
+ &cred,
+ admin_principal,
+ NULL,
+ krb5_prompter_posix,
+ NULL,
+ 0,
+ "kadmin/changepw",
+ opt);
+ switch (ret) {
+ case 0:
+ break;
+ case KRB5_LIBOS_PWDINTR :
+ return 1;
+ case KRB5KRB_AP_ERR_BAD_INTEGRITY :
+ case KRB5KRB_AP_ERR_MODIFIED :
+ krb5_errx(context, 1, "Password incorrect");
+ break;
+ default:
+ krb5_err(context, 1, ret, "krb5_get_init_creds");
+ }
+
+ krb5_get_init_creds_opt_free(context, opt);
+
+ ret = krb5_cc_initialize(context, id, admin_principal);
+ krb5_free_principal(context, admin_principal);
+ if (ret)
+ krb5_err(context, 1, ret, "krb5_cc_initialize");
+
+ ret = krb5_cc_store_cred(context, id, &cred);
+ if (ret)
+ krb5_err(context, 1, ret, "krb5_cc_store_cred");
+
+ krb5_free_cred_contents (context, &cred);
+ }
+
+ if (argc == 0) {
+ exit_value = change_password(context, NULL, id);
+ } else {
+ exit_value = 0;
+
+ while (argc-- > 0) {
+
+ ret = krb5_parse_name (context, argv[0], &principal);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_parse_name");
+
+ ret = change_password(context, principal, id);
+ if (ret)
+ exit_value = 1;
+ krb5_free_principal(context, principal);
+ argv++;
+ }
+ }
+
+ if (cred_cache_str == NULL) {
+ ret = krb5_cc_destroy(context, id);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_cc_destroy");
+ } else {
+ ret = krb5_cc_close(context, id);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_cc_close");
+ }
+
+ krb5_free_context (context);
+ return ret;
+}