--- /dev/null
+/*
+ * Copyright (c) 1997-2006 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 1.141 2006/12/12 16:35:41 lha Exp $");
+
+#ifndef KRB4
+#include "krb5-v4compat.h"
+#endif
+
+struct krb5_pk_identity;
+struct krb5_pk_cert;
+struct ContentInfo;
+struct _krb5_krb_auth_data;
+struct krb5_dh_moduli;
+struct krb5_plugin;
+enum plugin_type;
+#include "krb5-private.h"
+
+int forwardable_flag = -1;
+int proxiable_flag = -1;
+int renewable_flag = -1;
+int renew_flag = 0;
+int pac_flag = -1;
+int validate_flag = 0;
+int version_flag = 0;
+int help_flag = 0;
+int addrs_flag = -1;
+struct getarg_strings extra_addresses;
+int anonymous_flag = 0;
+char *lifetime = NULL;
+char *renew_life = NULL;
+char *server_str = NULL;
+char *cred_cache = NULL;
+char *start_str = NULL;
+struct getarg_strings etype_str;
+int use_keytab = 0;
+char *keytab_str = NULL;
+int do_afslog = -1;
+int get_v4_tgt = -1;
+int convert_524 = 0;
+int fcache_version;
+char *password_file = NULL;
+char *pk_user_id = NULL;
+char *pk_x509_anchors = NULL;
+int pk_use_enckey = 0;
+
+static char *krb4_cc_name;
+
+static struct getargs args[] = {
+ /*
+ * used by MIT
+ * a: ~A
+ * V: verbose
+ * F: ~f
+ * P: ~p
+ * C: v4 cache name?
+ * 5:
+ */
+ { "524init", '4', arg_flag, &get_v4_tgt,
+ "obtain version 4 TGT" },
+
+ { "524convert", '9', arg_flag, &convert_524,
+ "only convert ticket to version 4" },
+
+ { "afslog", 0 , arg_flag, &do_afslog,
+ "obtain afs tokens" },
+
+ { "cache", 'c', arg_string, &cred_cache,
+ "credentials cache", "cachename" },
+
+ { "forwardable", 'f', arg_flag, &forwardable_flag,
+ "get forwardable tickets"},
+
+ { "keytab", 't', arg_string, &keytab_str,
+ "keytab to use", "keytabname" },
+
+ { "lifetime", 'l', arg_string, &lifetime,
+ "lifetime of tickets", "time"},
+
+ { "proxiable", 'p', arg_flag, &proxiable_flag,
+ "get proxiable tickets" },
+
+ { "renew", 'R', arg_flag, &renew_flag,
+ "renew TGT" },
+
+ { "renewable", 0, arg_flag, &renewable_flag,
+ "get renewable tickets" },
+
+ { "renewable-life", 'r', arg_string, &renew_life,
+ "renewable lifetime of tickets", "time" },
+
+ { "server", 'S', arg_string, &server_str,
+ "server to get ticket for", "principal" },
+
+ { "start-time", 's', arg_string, &start_str,
+ "when ticket gets valid", "time" },
+
+ { "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 types to use", "enctypes" },
+
+ { "fcache-version", 0, arg_integer, &fcache_version,
+ "file cache version to create" },
+
+ { "addresses", 'A', arg_negative_flag, &addrs_flag,
+ "request a ticket with no addresses" },
+
+ { "extra-addresses",'a', arg_strings, &extra_addresses,
+ "include these extra addresses", "addresses" },
+
+ { "anonymous", 0, arg_flag, &anonymous_flag,
+ "request an anonymous ticket" },
+
+ { "request-pac", 0, arg_flag, &pac_flag,
+ "request a Windows PAC" },
+
+ { "password-file", 0, arg_string, &password_file,
+ "read the password from a file" },
+
+#ifdef PKINIT
+ { "pk-user", 'C', arg_string, &pk_user_id,
+ "principal's public/private/certificate identifier",
+ "id" },
+
+ { "x509-anchors", 'D', arg_string, &pk_x509_anchors,
+ "directory with CA certificates", "directory" },
+
+ { "pk-use-enckey", 0, arg_flag, &pk_use_enckey,
+ "Use RSA encrypted reply (instead of DH)" },
+
+#endif
+ { "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 [command]]");
+ exit (ret);
+}
+
+#ifdef KRB4
+/* for when the KDC tells us it's a v4 one, we try to talk that */
+
+static int
+key_to_key(const char *user,
+ char *instance,
+ const char *realm,
+ const void *arg,
+ des_cblock *key)
+{
+ memcpy(key, arg, sizeof(des_cblock));
+ return 0;
+}
+
+static int
+do_v4_fallback (krb5_context context,
+ const krb5_principal principal,
+ int lifetime,
+ int use_srvtab, const char *srvtab_str,
+ const char *passwd)
+{
+ int ret;
+ krb_principal princ;
+ des_cblock key;
+ krb5_error_code kret;
+
+ if (lifetime == 0)
+ lifetime = DEFAULT_TKT_LIFE;
+ else
+ lifetime = krb_time_to_life (0, lifetime);
+
+ kret = krb5_524_conv_principal (context, principal,
+ princ.name,
+ princ.instance,
+ princ.realm);
+ if (kret) {
+ krb5_warn (context, kret, "krb5_524_conv_principal");
+ return 1;
+ }
+
+ if (use_srvtab || srvtab_str) {
+ if (srvtab_str == NULL)
+ srvtab_str = KEYFILE;
+
+ ret = read_service_key (princ.name, princ.instance, princ.realm,
+ 0, srvtab_str, (char *)&key);
+ if (ret) {
+ warnx ("read_service_key %s: %s", srvtab_str,
+ krb_get_err_text (ret));
+ return 1;
+ }
+ ret = krb_get_in_tkt (princ.name, princ.instance, princ.realm,
+ KRB_TICKET_GRANTING_TICKET, princ.realm,
+ lifetime, key_to_key, NULL, key);
+ } else {
+ ret = krb_get_pw_in_tkt(princ.name, princ.instance, princ.realm,
+ KRB_TICKET_GRANTING_TICKET, princ.realm,
+ lifetime, passwd);
+ }
+ memset (key, 0, sizeof(key));
+ if (ret) {
+ warnx ("%s", krb_get_err_text(ret));
+ return 1;
+ }
+ if (do_afslog && k_hasafs()) {
+ if ((ret = krb_afslog(NULL, NULL)) != 0 && ret != KDC_PR_UNKNOWN) {
+ if(ret > 0)
+ warnx ("%s", krb_get_err_text(ret));
+ else
+ warnx ("failed to store AFS token");
+ }
+ }
+ return 0;
+}
+
+
+/*
+ * the special version of get_default_principal that takes v4 into account
+ */
+
+static krb5_error_code
+kinit_get_default_principal (krb5_context context,
+ krb5_principal *princ)
+{
+ krb5_error_code ret;
+ krb5_ccache id;
+ krb_principal v4_princ;
+ int kret;
+
+ ret = krb5_cc_default (context, &id);
+ if (ret == 0) {
+ ret = krb5_cc_get_principal (context, id, princ);
+ krb5_cc_close (context, id);
+ if (ret == 0)
+ return 0;
+ }
+
+ kret = krb_get_tf_fullname (tkt_string(),
+ v4_princ.name,
+ v4_princ.instance,
+ v4_princ.realm);
+ if (kret == KSUCCESS) {
+ ret = krb5_425_conv_principal (context,
+ v4_princ.name,
+ v4_princ.instance,
+ v4_princ.realm,
+ princ);
+ if (ret == 0)
+ return 0;
+ }
+ return krb5_get_default_principal (context, princ);
+}
+
+#else /* !KRB4 */
+
+static krb5_error_code
+kinit_get_default_principal (krb5_context context,
+ krb5_principal *princ)
+{
+ return krb5_get_default_principal (context, princ);
+}
+
+#endif /* !KRB4 */
+
+static krb5_error_code
+get_server(krb5_context context,
+ krb5_principal client,
+ const char *server,
+ krb5_principal *princ)
+{
+ krb5_realm *client_realm;
+ if(server)
+ return krb5_parse_name(context, server, princ);
+
+ client_realm = krb5_princ_realm (context, client);
+ return krb5_make_principal(context, princ, *client_realm,
+ KRB5_TGS_NAME, *client_realm, NULL);
+}
+
+static krb5_error_code
+do_524init(krb5_context context, krb5_ccache ccache,
+ krb5_creds *creds, const char *server)
+{
+ krb5_error_code ret;
+
+ struct credentials c;
+ krb5_creds in_creds, *real_creds;
+
+ if(creds != NULL)
+ real_creds = creds;
+ else {
+ krb5_principal client;
+ krb5_cc_get_principal(context, ccache, &client);
+ memset(&in_creds, 0, sizeof(in_creds));
+ ret = get_server(context, client, server, &in_creds.server);
+ if(ret) {
+ krb5_free_principal(context, client);
+ return ret;
+ }
+ in_creds.client = client;
+ ret = krb5_get_credentials(context, 0, ccache, &in_creds, &real_creds);
+ krb5_free_principal(context, client);
+ krb5_free_principal(context, in_creds.server);
+ if(ret)
+ return ret;
+ }
+ ret = krb524_convert_creds_kdc_ccache(context, ccache, real_creds, &c);
+ if(ret)
+ krb5_warn(context, ret, "converting creds");
+ else {
+ krb5_error_code tret = _krb5_krb_tf_setup(context, &c, NULL, 0);
+ if(tret)
+ krb5_warn(context, tret, "saving v4 creds");
+ }
+
+ if(creds == NULL)
+ krb5_free_creds(context, real_creds);
+ memset(&c, 0, sizeof(c));
+
+ return 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 = NULL;
+ 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;
+ }
+ ret = get_server(context, in.client, server, &in.server);
+ if(ret) {
+ krb5_warn(context, ret, "get_server");
+ goto out;
+ }
+
+ if (renew) {
+ /*
+ * no need to check the error here, its only to be
+ * friendly to the user
+ */
+ krb5_get_credentials(context, KRB5_GC_CACHED, cache, &in, &out);
+ }
+
+ flags.i = 0;
+ flags.b.renewable = flags.b.renew = renew;
+ flags.b.validate = validate;
+
+ if (forwardable_flag != -1)
+ flags.b.forwardable = forwardable_flag;
+ else if (out)
+ flags.b.forwardable = out->flags.b.forwardable;
+
+ if (proxiable_flag != -1)
+ flags.b.proxiable = proxiable_flag;
+ else if (out)
+ flags.b.proxiable = out->flags.b.proxiable;
+
+ if (anonymous_flag != -1)
+ flags.b.request_anonymous = anonymous_flag;
+ if(life)
+ in.times.endtime = time(NULL) + life;
+
+ if (out) {
+ krb5_free_creds (context, out);
+ out = NULL;
+ }
+
+
+ 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);
+
+ if(ret == 0 && server == NULL) {
+ /* only do this if it's a general renew-my-tgt request */
+ if(get_v4_tgt)
+ do_524init(context, cache, out, NULL);
+ if(do_afslog && k_hasafs())
+ krb5_afslog(context, cache, NULL, NULL);
+ }
+
+ krb5_free_creds (context, out);
+ if(ret) {
+ krb5_warn(context, ret, "krb5_cc_store_cred");
+ goto out;
+ }
+out:
+ krb5_free_cred_contents(context, &in);
+ return ret;
+}
+
+static krb5_error_code
+get_new_tickets(krb5_context context,
+ krb5_principal principal,
+ krb5_ccache ccache,
+ krb5_deltat ticket_life,
+ int interactive)
+{
+ krb5_error_code ret;
+ krb5_get_init_creds_opt *opt;
+ krb5_creds cred;
+ char passwd[256];
+ krb5_deltat start_time = 0;
+ krb5_deltat renew = 0;
+ char *renewstr = NULL;
+ krb5_enctype *enctype = NULL;
+
+ passwd[0] = '\0';
+
+ if (password_file) {
+ FILE *f;
+
+ if (strcasecmp("STDIN", password_file) == 0)
+ f = stdin;
+ else
+ f = fopen(password_file, "r");
+ if (f == NULL)
+ krb5_errx(context, 1, "Failed to open the password file %s",
+ password_file);
+
+ if (fgets(passwd, sizeof(passwd), f) == NULL)
+ krb5_errx(context, 1,
+ "Failed to read password from file %s", password_file);
+ if (f != stdin)
+ fclose(f);
+ passwd[strcspn(passwd, "\n")] = '\0';
+ }
+
+
+ memset(&cred, 0, sizeof(cred));
+
+ 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_default_flags(context, "kinit",
+ /* XXX */principal->realm, opt);
+
+ if(forwardable_flag != -1)
+ krb5_get_init_creds_opt_set_forwardable (opt, forwardable_flag);
+ if(proxiable_flag != -1)
+ krb5_get_init_creds_opt_set_proxiable (opt, proxiable_flag);
+ if(anonymous_flag != -1)
+ krb5_get_init_creds_opt_set_anonymous (opt, anonymous_flag);
+ if (pac_flag != -1)
+ krb5_get_init_creds_opt_set_pac_request(context, opt,
+ pac_flag ? TRUE : FALSE);
+ if (pk_user_id) {
+ ret = krb5_get_init_creds_opt_set_pkinit(context, opt,
+ principal,
+ pk_user_id,
+ pk_x509_anchors,
+ NULL,
+ NULL,
+ pk_use_enckey ? 2 : 0,
+ krb5_prompter_posix,
+ NULL,
+ passwd);
+ if (ret)
+ krb5_err(context, 1, ret, "krb5_get_init_creds_opt_set_pkinit");
+ }
+
+ if (addrs_flag != -1)
+ krb5_get_init_creds_opt_set_addressless(context, opt,
+ addrs_flag ? FALSE : TRUE);
+
+ if (renew_life == NULL && renewable_flag)
+ renewstr = "1 month";
+ if (renew_life)
+ renewstr = renew_life;
+ if (renewstr) {
+ renew = parse_time (renewstr, "s");
+ if (renew < 0)
+ errx (1, "unparsable time: %s", renewstr);
+
+ krb5_get_init_creds_opt_set_renew_life (opt, renew);
+ }
+
+ 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) {
+ 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);
+ }
+
+ 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_str,
+ opt);
+ krb5_kt_close(context, kt);
+ } else if (pk_user_id) {
+ ret = krb5_get_init_creds_password (context,
+ &cred,
+ principal,
+ passwd,
+ krb5_prompter_posix,
+ NULL,
+ start_time,
+ server_str,
+ opt);
+ } else if (!interactive) {
+ krb5_warnx(context, "Not interactive, failed to get initial ticket");
+ krb5_get_init_creds_opt_free(context, opt);
+ return 0;
+ } else {
+
+ if (passwd[0] == '\0') {
+ char *p, *prompt;
+
+ krb5_unparse_name (context, principal, &p);
+ asprintf (&prompt, "%s's Password: ", p);
+ free (p);
+
+ if (UI_UTIL_read_pw_string(passwd, sizeof(passwd)-1, prompt, 0)){
+ memset(passwd, 0, sizeof(passwd));
+ exit(1);
+ }
+ free (prompt);
+ }
+
+
+ ret = krb5_get_init_creds_password (context,
+ &cred,
+ principal,
+ passwd,
+ krb5_prompter_posix,
+ NULL,
+ start_time,
+ server_str,
+ opt);
+ }
+ krb5_get_init_creds_opt_free(context, opt);
+#ifdef KRB4
+ if (ret == KRB5KRB_AP_ERR_V4_REPLY || ret == KRB5_KDC_UNREACH) {
+ int exit_val;
+
+ exit_val = do_v4_fallback (context, principal, ticket_life,
+ use_keytab, keytab_str, passwd);
+ get_v4_tgt = 0;
+ do_afslog = 0;
+ memset(passwd, 0, sizeof(passwd));
+ if (exit_val == 0 || ret == KRB5KRB_AP_ERR_V4_REPLY)
+ return exit_val;
+ }
+#endif
+ memset(passwd, 0, sizeof(passwd));
+
+ 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");
+ }
+
+ if(ticket_life != 0) {
+ if(abs(cred.times.endtime - cred.times.starttime - ticket_life) > 30) {
+ char life[64];
+ unparse_time_approx(cred.times.endtime - cred.times.starttime,
+ life, sizeof(life));
+ krb5_warnx(context, "NOTICE: ticket lifetime is %s", life);
+ }
+ }
+ if(renew_life) {
+ if(abs(cred.times.renew_till - cred.times.starttime - renew) > 30) {
+ char life[64];
+ unparse_time_approx(cred.times.renew_till - cred.times.starttime,
+ life, sizeof(life));
+ krb5_warnx(context, "NOTICE: ticket renewable lifetime is %s",
+ life);
+ }
+ }
+
+ 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");
+
+ krb5_free_cred_contents (context, &cred);
+
+ if (enctype)
+ free(enctype);
+
+ return 0;
+}
+
+static time_t
+ticket_lifetime(krb5_context context, krb5_ccache cache,
+ krb5_principal client, const char *server)
+{
+ krb5_creds in_cred, *cred;
+ krb5_error_code ret;
+ time_t timeout;
+
+ memset(&in_cred, 0, sizeof(in_cred));
+
+ ret = krb5_cc_get_principal(context, cache, &in_cred.client);
+ if(ret) {
+ krb5_warn(context, ret, "krb5_cc_get_principal");
+ return 0;
+ }
+ ret = get_server(context, in_cred.client, server, &in_cred.server);
+ if(ret) {
+ krb5_free_principal(context, in_cred.client);
+ krb5_warn(context, ret, "get_server");
+ return 0;
+ }
+
+ ret = krb5_get_credentials(context, KRB5_GC_CACHED,
+ cache, &in_cred, &cred);
+ krb5_free_principal(context, in_cred.client);
+ krb5_free_principal(context, in_cred.server);
+ if(ret) {
+ krb5_warn(context, ret, "krb5_get_credentials");
+ return 0;
+ }
+ timeout = cred->times.endtime - cred->times.starttime;
+ if (timeout < 0)
+ timeout = 0;
+ krb5_free_creds(context, cred);
+ return timeout;
+}
+
+struct renew_ctx {
+ krb5_context context;
+ krb5_ccache ccache;
+ krb5_principal principal;
+ krb5_deltat ticket_life;
+};
+
+static time_t
+renew_func(void *ptr)
+{
+ struct renew_ctx *ctx = ptr;
+ krb5_error_code ret;
+ time_t expire;
+ int new_tickets = 0;
+
+ if (renewable_flag) {
+ ret = renew_validate(ctx->context, renewable_flag, validate_flag,
+ ctx->ccache, server_str, ctx->ticket_life);
+ if (ret)
+ new_tickets = 1;
+ } else
+ new_tickets = 1;
+
+ if (new_tickets)
+ get_new_tickets(ctx->context, ctx->principal,
+ ctx->ccache, ctx->ticket_life, 0);
+
+ if(get_v4_tgt || convert_524)
+ do_524init(ctx->context, ctx->ccache, NULL, server_str);
+ if(do_afslog && k_hasafs())
+ krb5_afslog(ctx->context, ctx->ccache, NULL, NULL);
+
+ expire = ticket_lifetime(ctx->context, ctx->ccache, ctx->principal,
+ server_str) / 2;
+ return expire + 1;
+}
+
+int
+main (int argc, char **argv)
+{
+ krb5_error_code ret;
+ krb5_context context;
+ krb5_ccache ccache;
+ krb5_principal principal;
+ int optidx = 0;
+ krb5_deltat ticket_life = 0;
+
+ setprogname (argv[0]);
+
+ ret = krb5_init_context (&context);
+ if (ret == KRB5_CONFIG_BADFORMAT)
+ errx (1, "krb5_init_context failed to parse configuration file");
+ else if (ret)
+ errx(1, "krb5_init_context failed: %d", ret);
+
+ if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
+ usage(1);
+
+ if (help_flag)
+ usage (0);
+
+ if(version_flag) {
+ print_version(NULL);
+ exit(0);
+ }
+
+ argc -= optidx;
+ argv += optidx;
+
+ if (argv[0]) {
+ ret = krb5_parse_name (context, argv[0], &principal);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_parse_name");
+ } else {
+ ret = kinit_get_default_principal (context, &principal);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_get_default_principal");
+ }
+
+ if(fcache_version)
+ krb5_set_fcache_version(context, fcache_version);
+
+ if(renewable_flag == -1)
+ /* this seems somewhat pointless, but whatever */
+ krb5_appdefault_boolean(context, "kinit",
+ krb5_principal_get_realm(context, principal),
+ "renewable", FALSE, &renewable_flag);
+ if(get_v4_tgt == -1)
+ krb5_appdefault_boolean(context, "kinit",
+ krb5_principal_get_realm(context, principal),
+ "krb4_get_tickets", FALSE, &get_v4_tgt);
+ if(do_afslog == -1)
+ krb5_appdefault_boolean(context, "kinit",
+ krb5_principal_get_realm(context, principal),
+ "afslog", TRUE, &do_afslog);
+
+ if(cred_cache)
+ ret = krb5_cc_resolve(context, cred_cache, &ccache);
+ else {
+ if(argc > 1) {
+ char s[1024];
+ ret = krb5_cc_gen_new(context, &krb5_fcc_ops, &ccache);
+ if(ret)
+ krb5_err(context, 1, ret, "creating cred cache");
+ snprintf(s, sizeof(s), "%s:%s",
+ krb5_cc_get_type(context, ccache),
+ krb5_cc_get_name(context, ccache));
+ setenv("KRB5CCNAME", s, 1);
+ if (get_v4_tgt) {
+ int fd;
+ if (asprintf(&krb4_cc_name, "%s_XXXXXX", TKT_ROOT) < 0)
+ krb5_errx(context, 1, "out of memory");
+ if((fd = mkstemp(krb4_cc_name)) >= 0) {
+ close(fd);
+ setenv("KRBTKFILE", krb4_cc_name, 1);
+ } else {
+ free(krb4_cc_name);
+ krb4_cc_name = NULL;
+ }
+ }
+ } else
+ ret = krb5_cc_default (context, &ccache);
+ }
+ if (ret)
+ krb5_err (context, 1, ret, "resolving credentials cache");
+
+ if(argc > 1 && k_hasafs ())
+ k_setpag();
+
+ if (lifetime) {
+ int tmp = parse_time (lifetime, "s");
+ if (tmp < 0)
+ errx (1, "unparsable time: %s", lifetime);
+
+ ticket_life = tmp;
+ }
+
+ if(addrs_flag == 0 && extra_addresses.num_strings > 0)
+ krb5_errx(context, 1, "specifying both extra addresses and "
+ "no addresses makes no sense");
+ {
+ int i;
+ krb5_addresses addresses;
+ memset(&addresses, 0, sizeof(addresses));
+ for(i = 0; i < extra_addresses.num_strings; i++) {
+ ret = krb5_parse_address(context, extra_addresses.strings[i],
+ &addresses);
+ if (ret == 0) {
+ krb5_add_extra_addresses(context, &addresses);
+ krb5_free_addresses(context, &addresses);
+ }
+ }
+ free_getarg_strings(&extra_addresses);
+ }
+
+ if(renew_flag || validate_flag) {
+ ret = renew_validate(context, renew_flag, validate_flag,
+ ccache, server_str, ticket_life);
+ exit(ret != 0);
+ }
+
+ if(!convert_524)
+ get_new_tickets(context, principal, ccache, ticket_life, 1);
+
+ if(get_v4_tgt || convert_524)
+ do_524init(context, ccache, NULL, server_str);
+ if(do_afslog && k_hasafs())
+ krb5_afslog(context, ccache, NULL, NULL);
+ if(argc > 1) {
+ struct renew_ctx ctx;
+ time_t timeout;
+
+ timeout = ticket_lifetime(context, ccache, principal, server_str) / 2;
+
+ ctx.context = context;
+ ctx.ccache = ccache;
+ ctx.principal = principal;
+ ctx.ticket_life = ticket_life;
+
+ ret = simple_execvp_timed(argv[1], argv+1,
+ renew_func, &ctx, timeout);
+#define EX_NOEXEC 126
+#define EX_NOTFOUND 127
+ if(ret == EX_NOEXEC)
+ krb5_warnx(context, "permission denied: %s", argv[1]);
+ else if(ret == EX_NOTFOUND)
+ krb5_warnx(context, "command not found: %s", argv[1]);
+
+ krb5_cc_destroy(context, ccache);
+ _krb5_krb_dest_tkt(context, krb4_cc_name);
+ if(k_hasafs())
+ k_unlog();
+ } else {
+ krb5_cc_close (context, ccache);
+ ret = 0;
+ }
+ krb5_free_principal(context, principal);
+ krb5_free_context (context);
+ return ret;
+}
git.samba.org / garming / samba-autobuild / .git / commitdiff