| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | kerberos utility library
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| 4 | Copyright (C) Andrew Tridgell 2001
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| 5 | Copyright (C) Remus Koos 2001
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| 6 | Copyright (C) Nalin Dahyabhai 2004.
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| 7 | Copyright (C) Jeremy Allison 2004.
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| 8 | Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify
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| 11 | it under the terms of the GNU General Public License as published by
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| 12 | the Free Software Foundation; either version 3 of the License, or
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| 13 | (at your option) any later version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful,
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| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | GNU General Public License for more details.
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| 19 |
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| 20 | You should have received a copy of the GNU General Public License
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| 21 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 22 | */
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| 23 |
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| 24 | #include "includes.h"
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| 25 | #include "system/kerberos.h"
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| 26 | #include "auth/kerberos/kerberos.h"
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| 27 |
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| 28 | #ifdef HAVE_KRB5
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| 29 |
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| 30 | /*
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| 31 | simulate a kinit, putting the tgt in the given credentials cache.
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| 32 | Orignally by remus@snapserver.com
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| 33 |
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| 34 | This version is built to use a keyblock, rather than needing the
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| 35 | original password.
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| 36 | */
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| 37 | krb5_error_code kerberos_kinit_keyblock_cc(krb5_context ctx, krb5_ccache cc,
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| 38 | krb5_principal principal, krb5_keyblock *keyblock,
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| 39 | time_t *expire_time, time_t *kdc_time)
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| 40 | {
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| 41 | krb5_error_code code = 0;
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| 42 | krb5_creds my_creds;
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| 43 | krb5_get_init_creds_opt *options;
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| 44 |
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| 45 | if ((code = krb5_get_init_creds_opt_alloc(ctx, &options))) {
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| 46 | return code;
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| 47 | }
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| 48 |
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| 49 | krb5_get_init_creds_opt_set_default_flags(ctx, NULL, NULL, options);
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| 50 |
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| 51 | if ((code = krb5_get_init_creds_keyblock(ctx, &my_creds, principal, keyblock,
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| 52 | 0, NULL, options))) {
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| 53 | return code;
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| 54 | }
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| 55 |
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| 56 | if ((code = krb5_cc_initialize(ctx, cc, principal))) {
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| 57 | krb5_get_init_creds_opt_free(ctx, options);
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| 58 | krb5_free_cred_contents(ctx, &my_creds);
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| 59 | return code;
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| 60 | }
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| 61 |
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| 62 | if ((code = krb5_cc_store_cred(ctx, cc, &my_creds))) {
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| 63 | krb5_get_init_creds_opt_free(ctx, options);
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| 64 | krb5_free_cred_contents(ctx, &my_creds);
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| 65 | return code;
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| 66 | }
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| 67 |
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| 68 | if (expire_time) {
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| 69 | *expire_time = (time_t) my_creds.times.endtime;
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| 70 | }
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| 71 |
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| 72 | if (kdc_time) {
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| 73 | *kdc_time = (time_t) my_creds.times.starttime;
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| 74 | }
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| 75 |
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| 76 | krb5_get_init_creds_opt_free(ctx, options);
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| 77 | krb5_free_cred_contents(ctx, &my_creds);
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| 78 |
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| 79 | return 0;
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| 80 | }
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| 81 |
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| 82 | /*
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| 83 | simulate a kinit, putting the tgt in the given credentials cache.
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| 84 | Orignally by remus@snapserver.com
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| 85 | */
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| 86 | krb5_error_code kerberos_kinit_password_cc(krb5_context ctx, krb5_ccache cc,
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| 87 | krb5_principal principal, const char *password,
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| 88 | time_t *expire_time, time_t *kdc_time)
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| 89 | {
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| 90 | krb5_error_code code = 0;
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| 91 | krb5_creds my_creds;
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| 92 | krb5_get_init_creds_opt *options;
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| 93 |
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| 94 | if ((code = krb5_get_init_creds_opt_alloc(ctx, &options))) {
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| 95 | return code;
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| 96 | }
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| 97 |
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| 98 | krb5_get_init_creds_opt_set_default_flags(ctx, NULL, NULL, options);
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| 99 |
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| 100 | if ((code = krb5_get_init_creds_password(ctx, &my_creds, principal, password,
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| 101 | NULL,
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| 102 | NULL, 0, NULL, options))) {
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| 103 | return code;
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| 104 | }
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| 105 |
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| 106 | if ((code = krb5_cc_initialize(ctx, cc, principal))) {
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| 107 | krb5_get_init_creds_opt_free(ctx, options);
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| 108 | krb5_free_cred_contents(ctx, &my_creds);
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| 109 | return code;
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| 110 | }
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| 111 |
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| 112 | if ((code = krb5_cc_store_cred(ctx, cc, &my_creds))) {
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| 113 | krb5_get_init_creds_opt_free(ctx, options);
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| 114 | krb5_free_cred_contents(ctx, &my_creds);
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| 115 | return code;
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| 116 | }
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| 117 |
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| 118 | if (expire_time) {
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| 119 | *expire_time = (time_t) my_creds.times.endtime;
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| 120 | }
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| 121 |
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| 122 | if (kdc_time) {
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| 123 | *kdc_time = (time_t) my_creds.times.starttime;
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| 124 | }
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| 125 |
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| 126 | krb5_get_init_creds_opt_free(ctx, options);
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| 127 | krb5_free_cred_contents(ctx, &my_creds);
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| 128 |
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| 129 | return 0;
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| 130 | }
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| 131 |
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| 132 |
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| 133 | #endif
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