diff options
author | markm <markm@FreeBSD.org> | 2000-01-09 20:58:00 +0000 |
---|---|---|
committer | markm <markm@FreeBSD.org> | 2000-01-09 20:58:00 +0000 |
commit | 4ecbd6db44d79348bc815f31096e53104f50838b (patch) | |
tree | 36fa73706fa0587a390c45a3fbf17c9523cb0e35 /crypto/heimdal/kuser/kinit.c | |
download | FreeBSD-src-4ecbd6db44d79348bc815f31096e53104f50838b.zip FreeBSD-src-4ecbd6db44d79348bc815f31096e53104f50838b.tar.gz |
Import KTH Heimdal, which will be the core of our Kerberos5.
Userland to follow.
Diffstat (limited to 'crypto/heimdal/kuser/kinit.c')
-rw-r--r-- | crypto/heimdal/kuser/kinit.c | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/crypto/heimdal/kuser/kinit.c b/crypto/heimdal/kuser/kinit.c new file mode 100644 index 0000000..328a334 --- /dev/null +++ b/crypto/heimdal/kuser/kinit.c @@ -0,0 +1,391 @@ +/* + * 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; +} |