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-rw-r--r--crypto/heimdal/kuser/kinit.c391
1 files changed, 391 insertions, 0 deletions
diff --git a/crypto/heimdal/kuser/kinit.c b/crypto/heimdal/kuser/kinit.c
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+/*
+ * Copyright (c) 1997-1999 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 "kuser_locl.h"
+RCSID("$Id: kinit.c,v 1.59 1999/12/02 17:05:01 joda Exp $");
+
+int forwardable = 0;
+int proxiable = 0;
+int renewable = 0;
+int renew_flag = 0;
+int validate_flag = 0;
+int version_flag = 0;
+int help_flag = 0;
+int no_addrs_flag = 0;
+char *lifetime = NULL;
+char *renew_life = NULL;
+char *server = NULL;
+char *cred_cache = NULL;
+char *start_str = NULL;
+struct getarg_strings etype_str;
+int use_keytab = 0;
+char *keytab_str = NULL;
+#ifdef KRB4
+extern int do_afslog;
+extern int get_v4_tgt;
+#endif
+int fcache_version;
+
+struct getargs args[] = {
+#ifdef KRB4
+ { "524init", '4', arg_flag, &get_v4_tgt,
+ "obtain version 4 TGT" },
+
+ { "afslog", 0 , arg_flag, &do_afslog,
+ "obtain afs tokens" },
+#endif
+ { "cache", 'c', arg_string, &cred_cache,
+ "credentials cache", "cachename" },
+
+ { "forwardable", 'f', arg_flag, &forwardable,
+ "get forwardable tickets"},
+
+ { "keytab", 't', arg_string, &keytab_str,
+ "keytab to use", "keytabname" },
+
+ { "lifetime", 'l', arg_string, &lifetime,
+ "lifetime of tickets", "seconds"},
+
+ { "proxiable", 'p', arg_flag, &proxiable,
+ "get proxiable tickets" },
+
+ { "renew", 'R', arg_flag, &renew_flag,
+ "renew TGT" },
+
+ { "renewable", 0, arg_flag, &renewable,
+ "get renewable tickets" },
+
+ { "renewable-life", 'r', arg_string, &renew_life,
+ "renewable lifetime of tickets", "seconds" },
+
+ { "server", 'S', arg_string, &server,
+ "server to get ticket for", "principal" },
+
+ { "start-time", 's', arg_string, &start_str,
+ "when ticket gets valid", "seconds" },
+
+ { "use-keytab", 'k', arg_flag, &use_keytab,
+ "get key from keytab" },
+
+ { "validate", 'v', arg_flag, &validate_flag,
+ "validate TGT" },
+
+ { "enctypes", 'e', arg_strings, &etype_str,
+ "encryption type to use", "enctype" },
+
+ { "fcache-version", 0, arg_integer, &fcache_version,
+ "file cache version to create" },
+
+ { "noaddresses", 0, arg_flag, &no_addrs_flag,
+ "request a ticket with no addresses" },
+
+ { "version", 0, arg_flag, &version_flag },
+ { "help", 0, arg_flag, &help_flag }
+};
+
+static void
+usage (int ret)
+{
+ arg_printusage (args,
+ sizeof(args)/sizeof(*args),
+ NULL,
+ "[principal]");
+ exit (ret);
+}
+
+static int
+renew_validate(krb5_context context,
+ int renew,
+ int validate,
+ krb5_ccache cache,
+ const char *server,
+ krb5_deltat life)
+{
+ krb5_error_code ret;
+ krb5_creds in, *out;
+ krb5_kdc_flags flags;
+
+ memset(&in, 0, sizeof(in));
+
+ ret = krb5_cc_get_principal(context, cache, &in.client);
+ if(ret) {
+ krb5_warn(context, ret, "krb5_cc_get_principal");
+ return ret;
+ }
+ if(server) {
+ ret = krb5_parse_name(context, server, &in.server);
+ if(ret) {
+ krb5_warn(context, ret, "krb5_parse_name");
+ goto out;
+ }
+ } else {
+ krb5_realm *client_realm = krb5_princ_realm (context, in.client);
+
+ ret = krb5_make_principal(context, &in.server, *client_realm,
+ KRB5_TGS_NAME, *client_realm, NULL);
+ if(ret) {
+ krb5_warn(context, ret, "krb5_make_principal");
+ goto out;
+ }
+ }
+ flags.i = 0;
+ flags.b.renewable = flags.b.renew = renew;
+ flags.b.validate = validate;
+ flags.b.forwardable = forwardable;
+ flags.b.proxiable = proxiable;
+ if(life)
+ in.times.endtime = time(NULL) + life;
+
+ ret = krb5_get_kdc_cred(context,
+ cache,
+ flags,
+ NULL,
+ NULL,
+ &in,
+ &out);
+ if(ret) {
+ krb5_warn(context, ret, "krb5_get_kdc_cred");
+ goto out;
+ }
+ ret = krb5_cc_initialize(context, cache, in.client);
+ if(ret) {
+ krb5_free_creds (context, out);
+ krb5_warn(context, ret, "krb5_cc_initialize");
+ goto out;
+ }
+ ret = krb5_cc_store_cred(context, cache, out);
+ krb5_free_creds (context, out);
+ if(ret) {
+ krb5_warn(context, ret, "krb5_cc_store_cred");
+ goto out;
+ }
+out:
+ krb5_free_creds_contents(context, &in);
+ return ret;
+}
+
+int
+main (int argc, char **argv)
+{
+ krb5_error_code ret;
+ krb5_context context;
+ krb5_ccache ccache;
+ krb5_principal principal;
+ krb5_creds cred;
+ int optind = 0;
+ krb5_get_init_creds_opt opt;
+ krb5_deltat start_time = 0;
+ krb5_deltat ticket_life = 0;
+ krb5_addresses no_addrs;
+
+ set_progname (argv[0]);
+ memset(&cred, 0, sizeof(cred));
+
+ ret = krb5_init_context (&context);
+ if (ret)
+ errx(1, "krb5_init_context failed: %u", ret);
+
+ forwardable = krb5_config_get_bool (context, NULL,
+ "libdefaults",
+ "forwardable",
+ NULL);
+
+#ifdef KRB4
+ get_v4_tgt = krb5_config_get_bool_default (context, NULL,
+ get_v4_tgt,
+ "libdefaults",
+ "krb4_get_tickets",
+ NULL);
+#endif
+
+ if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind))
+ usage(1);
+
+ if (help_flag)
+ usage (0);
+
+ if(version_flag) {
+ print_version(NULL);
+ exit(0);
+ }
+
+ if(fcache_version)
+ krb5_set_fcache_version(context, fcache_version);
+
+ if(cred_cache)
+ ret = krb5_cc_resolve(context, cred_cache, &ccache);
+ else
+ ret = krb5_cc_default (context, &ccache);
+ if (ret)
+ krb5_err (context, 1, ret, "resolving credentials cache");
+
+ if (lifetime) {
+ int tmp = parse_time (lifetime, "s");
+ if (tmp < 0)
+ errx (1, "unparsable time: %s", lifetime);
+
+ ticket_life = tmp;
+ }
+ if(renew_flag || validate_flag) {
+ ret = renew_validate(context, renew_flag, validate_flag,
+ ccache, server, ticket_life);
+ exit(ret != 0);
+ }
+
+ krb5_get_init_creds_opt_init (&opt);
+
+ krb5_get_init_creds_opt_set_forwardable (&opt, forwardable);
+ krb5_get_init_creds_opt_set_proxiable (&opt, proxiable);
+
+ if (no_addrs_flag) {
+ no_addrs.len = 0;
+ no_addrs.val = NULL;
+
+ krb5_get_init_creds_opt_set_address_list (&opt, &no_addrs);
+ }
+
+ if(renew_life) {
+ int tmp = parse_time (renew_life, "s");
+ if (tmp < 0)
+ errx (1, "unparsable time: %s", renew_life);
+
+ krb5_get_init_creds_opt_set_renew_life (&opt, tmp);
+ } else if (renewable)
+ krb5_get_init_creds_opt_set_renew_life (&opt, 1 << 30);
+
+ if(ticket_life != 0)
+ krb5_get_init_creds_opt_set_tkt_life (&opt, ticket_life);
+
+ if(start_str) {
+ int tmp = parse_time (start_str, "s");
+ if (tmp < 0)
+ errx (1, "unparsable time: %s", start_str);
+
+ start_time = tmp;
+ }
+
+ if(etype_str.num_strings) {
+ krb5_enctype *enctype = NULL;
+ int i;
+ enctype = malloc(etype_str.num_strings * sizeof(*enctype));
+ if(enctype == NULL)
+ errx(1, "out of memory");
+ for(i = 0; i < etype_str.num_strings; i++) {
+ ret = krb5_string_to_enctype(context,
+ etype_str.strings[i],
+ &enctype[i]);
+ if(ret)
+ errx(1, "unrecognized enctype: %s", etype_str.strings[i]);
+ }
+ krb5_get_init_creds_opt_set_etype_list(&opt, enctype,
+ etype_str.num_strings);
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc > 1)
+ usage (1);
+
+ if (argv[0]) {
+ ret = krb5_parse_name (context, argv[0], &principal);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_parse_name");
+ } else
+ principal = NULL;
+
+ if(use_keytab || keytab_str) {
+ krb5_keytab kt;
+ if(keytab_str)
+ ret = krb5_kt_resolve(context, keytab_str, &kt);
+ else
+ ret = krb5_kt_default(context, &kt);
+ if (ret)
+ krb5_err (context, 1, ret, "resolving keytab");
+ ret = krb5_get_init_creds_keytab (context,
+ &cred,
+ principal,
+ kt,
+ start_time,
+ server,
+ &opt);
+ krb5_kt_close(context, kt);
+ } else
+ ret = krb5_get_init_creds_password (context,
+ &cred,
+ principal,
+ NULL,
+ krb5_prompter_posix,
+ NULL,
+ start_time,
+ server,
+ &opt);
+ switch(ret){
+ case 0:
+ break;
+ case KRB5_LIBOS_PWDINTR: /* don't print anything if it was just C-c:ed */
+ exit(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");
+ }
+
+ ret = krb5_cc_initialize (context, ccache, cred.client);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_cc_initialize");
+
+ ret = krb5_cc_store_cred (context, ccache, &cred);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_cc_store_cred");
+
+#ifdef KRB4
+ if(get_v4_tgt) {
+ CREDENTIALS c;
+ ret = krb524_convert_creds_kdc(context, ccache, &cred, &c);
+ if(ret)
+ krb5_warn(context, ret, "converting creds");
+ else
+ tf_setup(&c, c.pname, c.pinst);
+ memset(&c, 0, sizeof(c));
+ }
+ if(do_afslog && k_hasafs())
+ krb5_afslog(context, ccache, NULL, NULL);
+#endif
+ krb5_free_creds_contents (context, &cred);
+ krb5_cc_close (context, ccache);
+ krb5_free_context (context);
+ return 0;
+}
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