+++ /dev/null
-/*
- Unix SMB/CIFS implementation.
- kerberos utility library
- Copyright (C) Andrew Tridgell 2001
- Copyright (C) Remus Koos 2001
- Copyright (C) Luke Howard 2003
- Copyright (C) Guenther Deschner 2003, 2005
- Copyright (C) Jim McDonough (jmcd@us.ibm.com) 2003
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
- Copyright (C) Jeremy Allison 2007
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "smb_krb5.h"
-#include "libads/kerberos_proto.h"
-#include "secrets.h"
-#include "../librpc/gen_ndr/krb5pac.h"
-
-#ifdef HAVE_KRB5
-
-#if !defined(HAVE_KRB5_PRINC_COMPONENT)
-const krb5_data *krb5_princ_component(krb5_context, krb5_principal, int );
-#endif
-
-static bool ads_dedicated_keytab_verify_ticket(krb5_context context,
- krb5_auth_context auth_context,
- const DATA_BLOB *ticket,
- krb5_ticket **pp_tkt,
- krb5_keyblock **keyblock,
- krb5_error_code *perr)
-{
- krb5_error_code ret = 0;
- bool auth_ok = false;
- krb5_keytab keytab = NULL;
- krb5_keytab_entry kt_entry;
- krb5_ticket *dec_ticket = NULL;
-
- krb5_data packet;
- krb5_kvno kvno = 0;
- krb5_enctype enctype;
-
- *pp_tkt = NULL;
- *keyblock = NULL;
- *perr = 0;
-
- ZERO_STRUCT(kt_entry);
-
- ret = smb_krb5_open_keytab(context, lp_dedicated_keytab_file(), false,
- &keytab);
- if (ret) {
- DEBUG(1, ("smb_krb5_open_keytab failed (%s)\n",
- error_message(ret)));
- goto out;
- }
-
- packet.length = ticket->length;
- packet.data = (char *)ticket->data;
-
- ret = krb5_rd_req(context, &auth_context, &packet, NULL, keytab,
- NULL, &dec_ticket);
- if (ret) {
- DEBUG(0, ("krb5_rd_req failed (%s)\n", error_message(ret)));
- goto out;
- }
-
-#ifdef HAVE_ETYPE_IN_ENCRYPTEDDATA /* Heimdal */
- enctype = dec_ticket->ticket.key.keytype;
-#else /* MIT */
- enctype = dec_ticket->enc_part.enctype;
- kvno = dec_ticket->enc_part.kvno;
-#endif
-
- /* Get the key for checking the pac signature */
- ret = krb5_kt_get_entry(context, keytab, dec_ticket->server,
- kvno, enctype, &kt_entry);
- if (ret) {
- DEBUG(0, ("krb5_kt_get_entry failed (%s)\n",
- error_message(ret)));
- goto out;
- }
-
- ret = krb5_copy_keyblock(context, KRB5_KT_KEY(&kt_entry), keyblock);
- smb_krb5_kt_free_entry(context, &kt_entry);
-
- if (ret) {
- DEBUG(0, ("failed to copy key: %s\n",
- error_message(ret)));
- goto out;
- }
-
- auth_ok = true;
- *pp_tkt = dec_ticket;
- dec_ticket = NULL;
-
- out:
- if (dec_ticket)
- krb5_free_ticket(context, dec_ticket);
-
- if (keytab)
- krb5_kt_close(context, keytab);
-
- *perr = ret;
- return auth_ok;
-}
-
-/******************************************************************************
- Try to verify a ticket using the system keytab... the system keytab has
- kvno -1 entries, so it's more like what microsoft does... see comment in
- utils/net_ads.c in the ads_keytab_add_entry function for details.
-******************************************************************************/
-
-static bool ads_keytab_verify_ticket(krb5_context context,
- krb5_auth_context auth_context,
- const DATA_BLOB *ticket,
- krb5_ticket **pp_tkt,
- krb5_keyblock **keyblock,
- krb5_error_code *perr)
-{
- krb5_error_code ret = 0;
- bool auth_ok = False;
- krb5_keytab keytab = NULL;
- krb5_kt_cursor kt_cursor;
- krb5_keytab_entry kt_entry;
- char *valid_princ_formats[7] = { NULL, NULL, NULL,
- NULL, NULL, NULL, NULL };
- char *entry_princ_s = NULL;
- fstring my_name, my_fqdn;
- int i;
- int number_matched_principals = 0;
- krb5_data packet;
- int err;
-
- *pp_tkt = NULL;
- *keyblock = NULL;
- *perr = 0;
-
- /* Generate the list of principal names which we expect
- * clients might want to use for authenticating to the file
- * service. We allow name$,{host,cifs}/{name,fqdn,name.REALM}. */
-
- fstrcpy(my_name, lp_netbios_name());
-
- my_fqdn[0] = '\0';
- name_to_fqdn(my_fqdn, lp_netbios_name());
-
- err = asprintf(&valid_princ_formats[0],
- "%s$@%s", my_name, lp_realm());
- if (err == -1) {
- goto out;
- }
- err = asprintf(&valid_princ_formats[1],
- "host/%s@%s", my_name, lp_realm());
- if (err == -1) {
- goto out;
- }
- err = asprintf(&valid_princ_formats[2],
- "host/%s@%s", my_fqdn, lp_realm());
- if (err == -1) {
- goto out;
- }
- err = asprintf(&valid_princ_formats[3],
- "host/%s.%s@%s", my_name, lp_realm(), lp_realm());
- if (err == -1) {
- goto out;
- }
- err = asprintf(&valid_princ_formats[4],
- "cifs/%s@%s", my_name, lp_realm());
- if (err == -1) {
- goto out;
- }
- err = asprintf(&valid_princ_formats[5],
- "cifs/%s@%s", my_fqdn, lp_realm());
- if (err == -1) {
- goto out;
- }
- err = asprintf(&valid_princ_formats[6],
- "cifs/%s.%s@%s", my_name, lp_realm(), lp_realm());
- if (err == -1) {
- goto out;
- }
-
- ZERO_STRUCT(kt_entry);
- ZERO_STRUCT(kt_cursor);
-
- ret = smb_krb5_open_keytab(context, NULL, False, &keytab);
- if (ret) {
- DEBUG(1, (__location__ ": smb_krb5_open_keytab failed (%s)\n",
- error_message(ret)));
- goto out;
- }
-
- /* Iterate through the keytab. For each key, if the principal
- * name case-insensitively matches one of the allowed formats,
- * try verifying the ticket using that principal. */
-
- ret = krb5_kt_start_seq_get(context, keytab, &kt_cursor);
- if (ret) {
- DEBUG(1, (__location__ ": krb5_kt_start_seq_get failed (%s)\n",
- error_message(ret)));
- goto out;
- }
-
- while (!auth_ok &&
- (krb5_kt_next_entry(context, keytab,
- &kt_entry, &kt_cursor) == 0)) {
- ret = smb_krb5_unparse_name(talloc_tos(), context,
- kt_entry.principal,
- &entry_princ_s);
- if (ret) {
- DEBUG(1, (__location__ ": smb_krb5_unparse_name "
- "failed (%s)\n", error_message(ret)));
- goto out;
- }
-
- for (i = 0; i < ARRAY_SIZE(valid_princ_formats); i++) {
-
- if (!strequal(entry_princ_s, valid_princ_formats[i])) {
- continue;
- }
-
- number_matched_principals++;
- packet.length = ticket->length;
- packet.data = (char *)ticket->data;
- *pp_tkt = NULL;
-
- ret = krb5_rd_req_return_keyblock_from_keytab(context,
- &auth_context, &packet,
- kt_entry.principal, keytab,
- NULL, pp_tkt, keyblock);
-
- if (ret) {
- DEBUG(10, (__location__ ": krb5_rd_req_return"
- "_keyblock_from_keytab(%s) "
- "failed: %s\n", entry_princ_s,
- error_message(ret)));
-
- /* workaround for MIT:
- * as krb5_ktfile_get_entry will explicitly
- * close the krb5_keytab as soon as krb5_rd_req
- * has successfully decrypted the ticket but the
- * ticket is not valid yet (due to clockskew)
- * there is no point in querying more keytab
- * entries - Guenther */
-
- if (ret == KRB5KRB_AP_ERR_TKT_NYV ||
- ret == KRB5KRB_AP_ERR_TKT_EXPIRED ||
- ret == KRB5KRB_AP_ERR_SKEW) {
- break;
- }
- } else {
- DEBUG(3, (__location__ ": krb5_rd_req_return"
- "_keyblock_from_keytab succeeded "
- "for principal %s\n",
- entry_princ_s));
- auth_ok = True;
- break;
- }
- }
-
- /* Free the name we parsed. */
- TALLOC_FREE(entry_princ_s);
-
- /* Free the entry we just read. */
- smb_krb5_kt_free_entry(context, &kt_entry);
- ZERO_STRUCT(kt_entry);
- }
- krb5_kt_end_seq_get(context, keytab, &kt_cursor);
-
- ZERO_STRUCT(kt_cursor);
-
-out:
-
- for (i = 0; i < ARRAY_SIZE(valid_princ_formats); i++) {
- SAFE_FREE(valid_princ_formats[i]);
- }
-
- if (!auth_ok) {
- if (!number_matched_principals) {
- DEBUG(3, (__location__ ": no keytab principals "
- "matched expected file service name.\n"));
- } else {
- DEBUG(3, (__location__ ": krb5_rd_req failed for "
- "all %d matched keytab principals\n",
- number_matched_principals));
- }
- }
-
- TALLOC_FREE(entry_princ_s);
-
- {
- krb5_keytab_entry zero_kt_entry;
- ZERO_STRUCT(zero_kt_entry);
- if (memcmp(&zero_kt_entry, &kt_entry,
- sizeof(krb5_keytab_entry))) {
- smb_krb5_kt_free_entry(context, &kt_entry);
- }
- }
-
- {
- krb5_kt_cursor zero_csr;
- ZERO_STRUCT(zero_csr);
- if ((memcmp(&kt_cursor, &zero_csr,
- sizeof(krb5_kt_cursor)) != 0) && keytab) {
- krb5_kt_end_seq_get(context, keytab, &kt_cursor);
- }
- }
-
- if (keytab) {
- krb5_kt_close(context, keytab);
- }
- *perr = ret;
- return auth_ok;
-}
-
-/*****************************************************************************
- Try to verify a ticket using the secrets.tdb.
-******************************************************************************/
-
-static krb5_error_code ads_secrets_verify_ticket(krb5_context context,
- krb5_auth_context auth_context,
- krb5_principal host_princ,
- const DATA_BLOB *ticket,
- krb5_ticket **pp_tkt,
- krb5_keyblock **keyblock,
- krb5_error_code *perr)
-{
- krb5_error_code ret = 0;
- bool auth_ok = False;
- bool cont = true;
- char *password_s = NULL;
- /* Let's make some room for 2 password (old and new)*/
- krb5_data passwords[2];
- krb5_enctype enctypes[] = {
- ENCTYPE_ARCFOUR_HMAC,
- ENCTYPE_DES_CBC_CRC,
- ENCTYPE_DES_CBC_MD5,
- ENCTYPE_NULL
- };
- krb5_data packet;
- int i, j;
-
- *pp_tkt = NULL;
- *keyblock = NULL;
- *perr = 0;
-
- ZERO_STRUCT(passwords);
-
- if (!secrets_init()) {
- DEBUG(1,("ads_secrets_verify_ticket: secrets_init failed\n"));
- *perr = KRB5_CONFIG_CANTOPEN;
- return False;
- }
-
- password_s = secrets_fetch_machine_password(lp_workgroup(),
- NULL, NULL);
- if (!password_s) {
- DEBUG(1,(__location__ ": failed to fetch machine password\n"));
- *perr = KRB5_LIBOS_CANTREADPWD;
- return False;
- }
-
- passwords[0].data = password_s;
- passwords[0].length = strlen(password_s);
-
- password_s = secrets_fetch_prev_machine_password(lp_workgroup());
- if (password_s) {
- DEBUG(10, (__location__ ": found previous password\n"));
- passwords[1].data = password_s;
- passwords[1].length = strlen(password_s);
- }
-
- /* CIFS doesn't use addresses in tickets. This would break NAT. JRA */
-
- packet.length = ticket->length;
- packet.data = (char *)ticket->data;
-
- /* We need to setup a auth context with each possible encoding type
- * in turn. */
- for (j=0; j<2 && passwords[j].length; j++) {
-
- for (i=0;enctypes[i];i++) {
- krb5_keyblock *key = NULL;
-
- if (!(key = SMB_MALLOC_P(krb5_keyblock))) {
- ret = ENOMEM;
- goto out;
- }
-
- if (create_kerberos_key_from_string(context,
- host_princ, &passwords[j],
- key, enctypes[i], false)) {
- SAFE_FREE(key);
- continue;
- }
-
- krb5_auth_con_setuseruserkey(context,
- auth_context, key);
-
- if (!(ret = krb5_rd_req(context, &auth_context,
- &packet, NULL, NULL,
- NULL, pp_tkt))) {
- DEBUG(10, (__location__ ": enc type [%u] "
- "decrypted message !\n",
- (unsigned int)enctypes[i]));
- auth_ok = True;
- cont = false;
- krb5_copy_keyblock(context, key, keyblock);
- krb5_free_keyblock(context, key);
- break;
- }
-
- DEBUG((ret != KRB5_BAD_ENCTYPE) ? 3 : 10,
- (__location__ ": enc type [%u] failed to "
- "decrypt with error %s\n",
- (unsigned int)enctypes[i],
- error_message(ret)));
-
- /* successfully decrypted but ticket is just not
- * valid at the moment */
- if (ret == KRB5KRB_AP_ERR_TKT_NYV ||
- ret == KRB5KRB_AP_ERR_TKT_EXPIRED ||
- ret == KRB5KRB_AP_ERR_SKEW) {
- krb5_free_keyblock(context, key);
- cont = false;
- break;
- }
-
- krb5_free_keyblock(context, key);
- }
- if (!cont) {
- /* If we found a valid pass then no need to try
- * the next one or we have invalid ticket so no need
- * to try next password*/
- break;
- }
- }
-
- out:
- SAFE_FREE(passwords[0].data);
- SAFE_FREE(passwords[1].data);
- *perr = ret;
- return auth_ok;
-}
-
-/*****************************************************************************
- Verify an incoming ticket and parse out the principal name and
- authorization_data if available.
-******************************************************************************/
-
-NTSTATUS ads_verify_ticket(TALLOC_CTX *mem_ctx,
- const char *realm,
- time_t time_offset,
- const DATA_BLOB *ticket,
- char **principal,
- struct PAC_LOGON_INFO **logon_info,
- DATA_BLOB *ap_rep,
- DATA_BLOB *session_key,
- bool use_replay_cache)
-{
- NTSTATUS sret = NT_STATUS_LOGON_FAILURE;
- NTSTATUS pac_ret;
- DATA_BLOB auth_data;
- krb5_context context = NULL;
- krb5_auth_context auth_context = NULL;
- krb5_data packet;
- krb5_ticket *tkt = NULL;
- krb5_rcache rcache = NULL;
- krb5_keyblock *keyblock = NULL;
- time_t authtime;
- krb5_error_code ret = 0;
- int flags = 0;
- krb5_principal host_princ = NULL;
- krb5_const_principal client_principal = NULL;
- char *host_princ_s = NULL;
- bool auth_ok = False;
- bool got_auth_data = False;
- struct named_mutex *mutex = NULL;
-
- ZERO_STRUCT(packet);
- ZERO_STRUCT(auth_data);
-
- *principal = NULL;
- *logon_info = NULL;
- *ap_rep = data_blob_null;
- *session_key = data_blob_null;
-
- initialize_krb5_error_table();
- ret = krb5_init_context(&context);
- if (ret) {
- DEBUG(1, (__location__ ": krb5_init_context failed (%s)\n",
- error_message(ret)));
- return NT_STATUS_LOGON_FAILURE;
- }
-
- if (time_offset != 0) {
- krb5_set_real_time(context, time(NULL) + time_offset, 0);
- }
-
- ret = krb5_set_default_realm(context, realm);
- if (ret) {
- DEBUG(1, (__location__ ": krb5_set_default_realm "
- "failed (%s)\n", error_message(ret)));
- goto out;
- }
-
- /* This whole process is far more complex than I would
- like. We have to go through all this to allow us to store
- the secret internally, instead of using /etc/krb5.keytab */
-
- ret = krb5_auth_con_init(context, &auth_context);
- if (ret) {
- DEBUG(1, (__location__ ": krb5_auth_con_init failed (%s)\n",
- error_message(ret)));
- goto out;
- }
-
- krb5_auth_con_getflags( context, auth_context, &flags );
- if ( !use_replay_cache ) {
- /* Disable default use of a replay cache */
- flags &= ~KRB5_AUTH_CONTEXT_DO_TIME;
- krb5_auth_con_setflags( context, auth_context, flags );
- }
-
- if (asprintf(&host_princ_s, "%s$", lp_netbios_name()) == -1) {
- goto out;
- }
-
- strlower_m(host_princ_s);
- ret = smb_krb5_parse_name(context, host_princ_s, &host_princ);
- if (ret) {
- DEBUG(1, (__location__ ": smb_krb5_parse_name(%s) "
- "failed (%s)\n", host_princ_s, error_message(ret)));
- goto out;
- }
-
-
- if (use_replay_cache) {
-
- /* Lock a mutex surrounding the replay as there is no
- locking in the MIT krb5 code surrounding the replay
- cache... */
-
- mutex = grab_named_mutex(talloc_tos(),
- "replay cache mutex", 10);
- if (mutex == NULL) {
- DEBUG(1, (__location__ ": unable to protect replay "
- "cache with mutex.\n"));
- ret = KRB5_CC_IO;
- goto out;
- }
-
- /* JRA. We must set the rcache here. This will prevent
- replay attacks. */
-
- ret = krb5_get_server_rcache(
- context,
- krb5_princ_component(context, host_princ, 0),
- &rcache);
- if (ret) {
- DEBUG(1, (__location__ ": krb5_get_server_rcache "
- "failed (%s)\n", error_message(ret)));
- goto out;
- }
-
- ret = krb5_auth_con_setrcache(context, auth_context, rcache);
- if (ret) {
- DEBUG(1, (__location__ ": krb5_auth_con_setrcache "
- "failed (%s)\n", error_message(ret)));
- goto out;
- }
- }
-
- switch (lp_kerberos_method()) {
- default:
- case KERBEROS_VERIFY_SECRETS:
- auth_ok = ads_secrets_verify_ticket(context, auth_context,
- host_princ, ticket, &tkt, &keyblock, &ret);
- break;
- case KERBEROS_VERIFY_SYSTEM_KEYTAB:
- auth_ok = ads_keytab_verify_ticket(context, auth_context,
- ticket, &tkt, &keyblock, &ret);
- break;
- case KERBEROS_VERIFY_DEDICATED_KEYTAB:
- auth_ok = ads_dedicated_keytab_verify_ticket(context,
- auth_context, ticket, &tkt, &keyblock, &ret);
- break;
- case KERBEROS_VERIFY_SECRETS_AND_KEYTAB:
- /* First try secrets.tdb and fallback to the krb5.keytab if
- necessary. This is the pre 3.4 behavior when
- "use kerberos keytab" was true.*/
- auth_ok = ads_secrets_verify_ticket(context, auth_context,
- host_princ, ticket, &tkt, &keyblock, &ret);
-
- if (!auth_ok) {
- /* Only fallback if we failed to decrypt the ticket */
- if (ret != KRB5KRB_AP_ERR_TKT_NYV &&
- ret != KRB5KRB_AP_ERR_TKT_EXPIRED &&
- ret != KRB5KRB_AP_ERR_SKEW) {
- auth_ok = ads_keytab_verify_ticket(context,
- auth_context, ticket, &tkt, &keyblock,
- &ret);
- }
- }
- break;
- }
-
- if (use_replay_cache) {
- TALLOC_FREE(mutex);
-#if 0
- /* Heimdal leaks here, if we fix the leak, MIT crashes */
- if (rcache) {
- krb5_rc_close(context, rcache);
- }
-#endif
- }
-
- if (!auth_ok) {
- DEBUG(3, (__location__ ": krb5_rd_req with auth "
- "failed (%s)\n", error_message(ret)));
- /* Try map the error return in case it's something like
- * a clock skew error.
- */
- sret = krb5_to_nt_status(ret);
- if (NT_STATUS_IS_OK(sret) ||
- NT_STATUS_EQUAL(sret,NT_STATUS_UNSUCCESSFUL)) {
- sret = NT_STATUS_LOGON_FAILURE;
- }
- DEBUG(10, (__location__ ": returning error %s\n",
- nt_errstr(sret) ));
- goto out;
- }
-
- authtime = get_authtime_from_tkt(tkt);
- client_principal = get_principal_from_tkt(tkt);
-
- ret = krb5_mk_rep(context, auth_context, &packet);
- if (ret) {
- DEBUG(3, (__location__ ": Failed to generate mutual "
- "authentication reply (%s)\n", error_message(ret)));
- goto out;
- }
-
- *ap_rep = data_blob(packet.data, packet.length);
- if (packet.data) {
- kerberos_free_data_contents(context, &packet);
- ZERO_STRUCT(packet);
- }
-
- get_krb5_smb_session_key(mem_ctx, context,
- auth_context, session_key, true);
- dump_data_pw("SMB session key (from ticket)\n",
- session_key->data, session_key->length);
-
-#if 0
- file_save("/tmp/ticket.dat", ticket->data, ticket->length);
-#endif
-
- /* continue when no PAC is retrieved or we couldn't decode the PAC
- (like accounts that have the UF_NO_AUTH_DATA_REQUIRED flag set, or
- Kerberos tickets encrypted using a DES key) - Guenther */
-
- got_auth_data = get_auth_data_from_tkt(mem_ctx, &auth_data, tkt);
- if (!got_auth_data) {
- DEBUG(3, (__location__ ": did not retrieve auth data. "
- "continuing without PAC\n"));
- }
-
- if (got_auth_data) {
- struct PAC_DATA *pac_data;
- pac_ret = kerberos_decode_pac(mem_ctx, auth_data, context,
- NULL, keyblock, client_principal,
- authtime, &pac_data);
- data_blob_free(&auth_data);
- if (!NT_STATUS_IS_OK(pac_ret)) {
- DEBUG(3, (__location__ ": failed to decode "
- "PAC_DATA: %s\n", nt_errstr(pac_ret)));
- } else {
- uint32_t i;
- for (i = 0; i < pac_data->num_buffers; i++) {
-
- if (pac_data->buffers[i].type != PAC_TYPE_LOGON_INFO) {
- continue;
- }
-
- *logon_info = pac_data->buffers[i].info->logon_info.info;
- }
-
- if (!*logon_info) {
- DEBUG(1, ("correctly decoded PAC but found "
- "no logon_info! "
- "This should not happen\n"));
- return NT_STATUS_INVALID_USER_BUFFER;
- }
- }
- }
-
-#if 0
-#if defined(HAVE_KRB5_TKT_ENC_PART2)
- /* MIT */
- if (tkt->enc_part2) {
- file_save("/tmp/authdata.dat",
- tkt->enc_part2->authorization_data[0]->contents,
- tkt->enc_part2->authorization_data[0]->length);
- }
-#else
- /* Heimdal */
- if (tkt->ticket.authorization_data) {
- file_save("/tmp/authdata.dat",
- tkt->ticket.authorization_data->val->ad_data.data,
- tkt->ticket.authorization_data->val->ad_data.length);
- }
-#endif
-#endif
-
- ret = smb_krb5_unparse_name(mem_ctx, context,
- client_principal, principal);
- if (ret) {
- DEBUG(3, (__location__ ": smb_krb5_unparse_name "
- "failed (%s)\n", error_message(ret)));
- sret = NT_STATUS_LOGON_FAILURE;
- goto out;
- }
-
- sret = NT_STATUS_OK;
-
-out:
-
- TALLOC_FREE(mutex);
-
- if (!NT_STATUS_IS_OK(sret)) {
- data_blob_free(&auth_data);
- }
-
- if (!NT_STATUS_IS_OK(sret)) {
- data_blob_free(ap_rep);
- }
-
- if (host_princ) {
- krb5_free_principal(context, host_princ);
- }
-
- if (keyblock) {
- krb5_free_keyblock(context, keyblock);
- }
-
- if (tkt != NULL) {
- krb5_free_ticket(context, tkt);
- }
-
- SAFE_FREE(host_princ_s);
-
- if (auth_context) {
- krb5_auth_con_free(context, auth_context);
- }
-
- if (context) {
- krb5_free_context(context);
- }
-
- return sret;
-}
-
-#endif /* HAVE_KRB5 */
git.samba.org / bbaumbach / samba-autobuild / .git / commitdiff