mirror of
https://github.com/samba-team/samba.git
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184afaa04c
Guenther
1008 lines
24 KiB
C
1008 lines
24 KiB
C
/*
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Unix SMB/CIFS implementation.
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Copyright (C) Andrew Tridgell 1992-2001
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Copyright (C) Andrew Bartlett 2002
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Copyright (C) Rafal Szczesniak 2002
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Copyright (C) Tim Potter 2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* the Samba secrets database stores any generated, private information
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such as the local SID and machine trust password */
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#include "includes.h"
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#include "../libcli/auth/libcli_auth.h"
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#include "librpc/gen_ndr/ndr_secrets.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_PASSDB
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static struct db_context *db_ctx;
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/* Urrrg. global.... */
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bool global_machine_password_needs_changing;
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/**
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* Use a TDB to store an incrementing random seed.
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*
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* Initialised to the current pid, the very first time Samba starts,
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* and incremented by one each time it is needed.
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*
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* @note Not called by systems with a working /dev/urandom.
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*/
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static void get_rand_seed(void *userdata, int *new_seed)
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{
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*new_seed = sys_getpid();
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if (db_ctx) {
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dbwrap_trans_change_int32_atomic(db_ctx, "INFO/random_seed",
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new_seed, 1);
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}
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}
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/* open up the secrets database */
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bool secrets_init(void)
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{
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char *fname = NULL;
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unsigned char dummy;
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if (db_ctx != NULL)
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return True;
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fname = talloc_asprintf(talloc_tos(), "%s/secrets.tdb",
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lp_private_dir());
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if (fname == NULL) {
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return false;
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}
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db_ctx = db_open(NULL, fname, 0,
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TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
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if (db_ctx == NULL) {
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DEBUG(0,("Failed to open %s\n", fname));
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TALLOC_FREE(fname);
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return False;
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}
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TALLOC_FREE(fname);
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/**
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* Set a reseed function for the crypto random generator
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*
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* This avoids a problem where systems without /dev/urandom
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* could send the same challenge to multiple clients
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*/
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set_rand_reseed_callback(get_rand_seed, NULL);
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/* Ensure that the reseed is done now, while we are root, etc */
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generate_random_buffer(&dummy, sizeof(dummy));
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return True;
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}
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struct db_context *secrets_db_ctx(void)
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{
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if (!secrets_init()) {
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return NULL;
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}
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return db_ctx;
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}
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/*
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* close secrets.tdb
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*/
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void secrets_shutdown(void)
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{
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TALLOC_FREE(db_ctx);
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}
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/* read a entry from the secrets database - the caller must free the result
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if size is non-null then the size of the entry is put in there
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*/
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void *secrets_fetch(const char *key, size_t *size)
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{
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TDB_DATA dbuf;
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void *result;
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if (!secrets_init()) {
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return NULL;
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}
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if (db_ctx->fetch(db_ctx, talloc_tos(), string_tdb_data(key),
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&dbuf) != 0) {
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return NULL;
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}
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result = memdup(dbuf.dptr, dbuf.dsize);
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if (result == NULL) {
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return NULL;
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}
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TALLOC_FREE(dbuf.dptr);
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if (size) {
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*size = dbuf.dsize;
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}
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return result;
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}
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/* store a secrets entry
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*/
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bool secrets_store(const char *key, const void *data, size_t size)
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{
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NTSTATUS status;
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if (!secrets_init()) {
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return false;
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}
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status = dbwrap_trans_store(db_ctx, string_tdb_data(key),
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make_tdb_data((const uint8 *)data, size),
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TDB_REPLACE);
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return NT_STATUS_IS_OK(status);
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}
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/* delete a secets database entry
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*/
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bool secrets_delete(const char *key)
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{
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NTSTATUS status;
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if (!secrets_init()) {
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return false;
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}
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status = dbwrap_trans_delete(db_ctx, string_tdb_data(key));
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return NT_STATUS_IS_OK(status);
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}
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/**
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* Form a key for fetching the domain sid
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*
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* @param domain domain name
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*
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* @return keystring
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**/
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static const char *domain_sid_keystr(const char *domain)
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{
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char *keystr;
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keystr = talloc_asprintf_strupper_m(talloc_tos(), "%s/%s",
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SECRETS_DOMAIN_SID, domain);
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SMB_ASSERT(keystr != NULL);
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return keystr;
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}
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bool secrets_store_domain_sid(const char *domain, const DOM_SID *sid)
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{
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bool ret;
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ret = secrets_store(domain_sid_keystr(domain), sid, sizeof(DOM_SID));
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/* Force a re-query, in case we modified our domain */
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if (ret)
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reset_global_sam_sid();
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return ret;
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}
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bool secrets_fetch_domain_sid(const char *domain, DOM_SID *sid)
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{
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DOM_SID *dyn_sid;
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size_t size = 0;
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dyn_sid = (DOM_SID *)secrets_fetch(domain_sid_keystr(domain), &size);
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if (dyn_sid == NULL)
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return False;
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if (size != sizeof(DOM_SID)) {
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SAFE_FREE(dyn_sid);
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return False;
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}
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*sid = *dyn_sid;
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SAFE_FREE(dyn_sid);
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return True;
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}
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bool secrets_store_domain_guid(const char *domain, struct GUID *guid)
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{
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fstring key;
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slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_DOMAIN_GUID, domain);
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strupper_m(key);
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return secrets_store(key, guid, sizeof(struct GUID));
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}
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bool secrets_fetch_domain_guid(const char *domain, struct GUID *guid)
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{
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struct GUID *dyn_guid;
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fstring key;
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size_t size = 0;
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struct GUID new_guid;
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slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_DOMAIN_GUID, domain);
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strupper_m(key);
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dyn_guid = (struct GUID *)secrets_fetch(key, &size);
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if (!dyn_guid) {
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if (lp_server_role() == ROLE_DOMAIN_PDC) {
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new_guid = GUID_random();
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if (!secrets_store_domain_guid(domain, &new_guid))
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return False;
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dyn_guid = (struct GUID *)secrets_fetch(key, &size);
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}
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if (dyn_guid == NULL) {
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return False;
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}
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}
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if (size != sizeof(struct GUID)) {
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DEBUG(1,("UUID size %d is wrong!\n", (int)size));
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SAFE_FREE(dyn_guid);
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return False;
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}
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*guid = *dyn_guid;
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SAFE_FREE(dyn_guid);
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return True;
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}
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bool secrets_store_local_schannel_key(uint8_t schannel_key[16])
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{
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return secrets_store(SECRETS_LOCAL_SCHANNEL_KEY, schannel_key, 16);
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}
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bool secrets_fetch_local_schannel_key(uint8_t schannel_key[16])
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{
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size_t size = 0;
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uint8_t *key;
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key = (uint8_t *)secrets_fetch(SECRETS_LOCAL_SCHANNEL_KEY, &size);
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if (key == NULL) {
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return false;
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}
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if (size != 16) {
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SAFE_FREE(key);
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return false;
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}
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memcpy(schannel_key, key, 16);
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SAFE_FREE(key);
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return true;
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}
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/**
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* Form a key for fetching the machine trust account sec channel type
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*
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* @param domain domain name
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*
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* @return keystring
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**/
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static const char *machine_sec_channel_type_keystr(const char *domain)
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{
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char *keystr;
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keystr = talloc_asprintf_strupper_m(talloc_tos(), "%s/%s",
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SECRETS_MACHINE_SEC_CHANNEL_TYPE,
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domain);
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SMB_ASSERT(keystr != NULL);
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return keystr;
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}
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/**
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* Form a key for fetching the machine trust account last change time
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*
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* @param domain domain name
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*
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* @return keystring
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**/
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static const char *machine_last_change_time_keystr(const char *domain)
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{
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char *keystr;
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keystr = talloc_asprintf_strupper_m(talloc_tos(), "%s/%s",
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SECRETS_MACHINE_LAST_CHANGE_TIME,
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domain);
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SMB_ASSERT(keystr != NULL);
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return keystr;
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}
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/**
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* Form a key for fetching the machine trust account password
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*
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* @param domain domain name
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*
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* @return keystring
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**/
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static const char *machine_password_keystr(const char *domain)
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{
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char *keystr;
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keystr = talloc_asprintf_strupper_m(talloc_tos(), "%s/%s",
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SECRETS_MACHINE_PASSWORD, domain);
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SMB_ASSERT(keystr != NULL);
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return keystr;
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}
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/**
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* Form a key for fetching the machine trust account password
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*
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* @param domain domain name
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*
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* @return stored password's key
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**/
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static const char *trust_keystr(const char *domain)
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{
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char *keystr;
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keystr = talloc_asprintf_strupper_m(talloc_tos(), "%s/%s",
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SECRETS_MACHINE_ACCT_PASS, domain);
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SMB_ASSERT(keystr != NULL);
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return keystr;
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}
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/**
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* Form a key for fetching a trusted domain password
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*
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* @param domain trusted domain name
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*
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* @return stored password's key
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**/
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static char *trustdom_keystr(const char *domain)
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{
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char *keystr;
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keystr = talloc_asprintf_strupper_m(talloc_tos(), "%s/%s",
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SECRETS_DOMTRUST_ACCT_PASS,
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domain);
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SMB_ASSERT(keystr != NULL);
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return keystr;
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}
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/************************************************************************
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Lock the trust password entry.
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************************************************************************/
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void *secrets_get_trust_account_lock(TALLOC_CTX *mem_ctx, const char *domain)
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{
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if (!secrets_init()) {
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return NULL;
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}
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return db_ctx->fetch_locked(
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db_ctx, mem_ctx, string_term_tdb_data(trust_keystr(domain)));
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}
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/************************************************************************
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Routine to get the default secure channel type for trust accounts
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************************************************************************/
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enum netr_SchannelType get_default_sec_channel(void)
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{
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if (lp_server_role() == ROLE_DOMAIN_BDC ||
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lp_server_role() == ROLE_DOMAIN_PDC) {
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return SEC_CHAN_BDC;
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} else {
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return SEC_CHAN_WKSTA;
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}
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}
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/************************************************************************
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Routine to get the trust account password for a domain.
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This only tries to get the legacy hashed version of the password.
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The user of this function must have locked the trust password file using
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the above secrets_lock_trust_account_password().
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************************************************************************/
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bool secrets_fetch_trust_account_password_legacy(const char *domain,
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uint8 ret_pwd[16],
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time_t *pass_last_set_time,
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enum netr_SchannelType *channel)
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{
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struct machine_acct_pass *pass;
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size_t size = 0;
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if (!(pass = (struct machine_acct_pass *)secrets_fetch(
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trust_keystr(domain), &size))) {
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DEBUG(5, ("secrets_fetch failed!\n"));
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return False;
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}
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if (size != sizeof(*pass)) {
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DEBUG(0, ("secrets were of incorrect size!\n"));
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SAFE_FREE(pass);
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return False;
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}
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if (pass_last_set_time) {
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*pass_last_set_time = pass->mod_time;
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}
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memcpy(ret_pwd, pass->hash, 16);
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if (channel) {
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*channel = get_default_sec_channel();
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}
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/* Test if machine password has expired and needs to be changed */
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if (lp_machine_password_timeout()) {
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if (pass->mod_time > 0 && time(NULL) > (pass->mod_time +
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(time_t)lp_machine_password_timeout())) {
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global_machine_password_needs_changing = True;
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}
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}
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SAFE_FREE(pass);
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return True;
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}
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/************************************************************************
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Routine to get the trust account password for a domain.
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The user of this function must have locked the trust password file using
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the above secrets_lock_trust_account_password().
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************************************************************************/
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bool secrets_fetch_trust_account_password(const char *domain, uint8 ret_pwd[16],
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time_t *pass_last_set_time,
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enum netr_SchannelType *channel)
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{
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char *plaintext;
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plaintext = secrets_fetch_machine_password(domain, pass_last_set_time,
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channel);
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if (plaintext) {
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DEBUG(4,("Using cleartext machine password\n"));
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E_md4hash(plaintext, ret_pwd);
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SAFE_FREE(plaintext);
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return True;
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}
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return secrets_fetch_trust_account_password_legacy(domain, ret_pwd,
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pass_last_set_time,
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channel);
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}
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/************************************************************************
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Routine to get account password to trusted domain
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************************************************************************/
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bool secrets_fetch_trusted_domain_password(const char *domain, char** pwd,
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DOM_SID *sid, time_t *pass_last_set_time)
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{
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struct TRUSTED_DOM_PASS pass;
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enum ndr_err_code ndr_err;
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/* unpacking structures */
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DATA_BLOB blob;
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/* fetching trusted domain password structure */
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if (!(blob.data = (uint8_t *)secrets_fetch(trustdom_keystr(domain),
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&blob.length))) {
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DEBUG(5, ("secrets_fetch failed!\n"));
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return False;
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}
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/* unpack trusted domain password */
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ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), NULL, &pass,
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(ndr_pull_flags_fn_t)ndr_pull_TRUSTED_DOM_PASS);
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if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
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return false;
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}
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SAFE_FREE(blob.data);
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/* the trust's password */
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if (pwd) {
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*pwd = SMB_STRDUP(pass.pass);
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if (!*pwd) {
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return False;
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}
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}
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/* last change time */
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if (pass_last_set_time) *pass_last_set_time = pass.mod_time;
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/* domain sid */
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if (sid != NULL) sid_copy(sid, &pass.domain_sid);
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return True;
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}
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/**
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* Routine to store the password for trusted domain
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*
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* @param domain remote domain name
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* @param pwd plain text password of trust relationship
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* @param sid remote domain sid
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*
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* @return true if succeeded
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**/
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bool secrets_store_trusted_domain_password(const char* domain, const char* pwd,
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const DOM_SID *sid)
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{
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bool ret;
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/* packing structures */
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DATA_BLOB blob;
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enum ndr_err_code ndr_err;
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struct TRUSTED_DOM_PASS pass;
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ZERO_STRUCT(pass);
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pass.uni_name = domain;
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pass.uni_name_len = strlen(domain)+1;
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/* last change time */
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pass.mod_time = time(NULL);
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/* password of the trust */
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pass.pass_len = strlen(pwd);
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pass.pass = pwd;
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/* domain sid */
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sid_copy(&pass.domain_sid, sid);
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ndr_err = ndr_push_struct_blob(&blob, talloc_tos(), NULL, &pass,
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(ndr_push_flags_fn_t)ndr_push_TRUSTED_DOM_PASS);
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if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
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return false;
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}
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ret = secrets_store(trustdom_keystr(domain), blob.data, blob.length);
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data_blob_free(&blob);
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return ret;
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}
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/************************************************************************
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Routine to delete the plaintext machine account password
|
|
************************************************************************/
|
|
|
|
bool secrets_delete_machine_password(const char *domain)
|
|
{
|
|
return secrets_delete(machine_password_keystr(domain));
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to delete the plaintext machine account password, sec channel type and
|
|
last change time from secrets database
|
|
************************************************************************/
|
|
|
|
bool secrets_delete_machine_password_ex(const char *domain)
|
|
{
|
|
if (!secrets_delete(machine_password_keystr(domain))) {
|
|
return false;
|
|
}
|
|
if (!secrets_delete(machine_sec_channel_type_keystr(domain))) {
|
|
return false;
|
|
}
|
|
return secrets_delete(machine_last_change_time_keystr(domain));
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to delete the domain sid
|
|
************************************************************************/
|
|
|
|
bool secrets_delete_domain_sid(const char *domain)
|
|
{
|
|
return secrets_delete(domain_sid_keystr(domain));
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to set the plaintext machine account password for a realm
|
|
the password is assumed to be a null terminated ascii string
|
|
************************************************************************/
|
|
|
|
bool secrets_store_machine_password(const char *pass, const char *domain,
|
|
enum netr_SchannelType sec_channel)
|
|
{
|
|
bool ret;
|
|
uint32 last_change_time;
|
|
uint32 sec_channel_type;
|
|
|
|
ret = secrets_store(machine_password_keystr(domain), pass, strlen(pass)+1);
|
|
if (!ret)
|
|
return ret;
|
|
|
|
SIVAL(&last_change_time, 0, time(NULL));
|
|
ret = secrets_store(machine_last_change_time_keystr(domain), &last_change_time, sizeof(last_change_time));
|
|
|
|
SIVAL(&sec_channel_type, 0, sec_channel);
|
|
ret = secrets_store(machine_sec_channel_type_keystr(domain), &sec_channel_type, sizeof(sec_channel_type));
|
|
|
|
return ret;
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to fetch the plaintext machine account password for a realm
|
|
the password is assumed to be a null terminated ascii string.
|
|
************************************************************************/
|
|
|
|
char *secrets_fetch_machine_password(const char *domain,
|
|
time_t *pass_last_set_time,
|
|
enum netr_SchannelType *channel)
|
|
{
|
|
char *ret;
|
|
ret = (char *)secrets_fetch(machine_password_keystr(domain), NULL);
|
|
|
|
if (pass_last_set_time) {
|
|
size_t size;
|
|
uint32 *last_set_time;
|
|
last_set_time = (unsigned int *)secrets_fetch(machine_last_change_time_keystr(domain), &size);
|
|
if (last_set_time) {
|
|
*pass_last_set_time = IVAL(last_set_time,0);
|
|
SAFE_FREE(last_set_time);
|
|
} else {
|
|
*pass_last_set_time = 0;
|
|
}
|
|
}
|
|
|
|
if (channel) {
|
|
size_t size;
|
|
uint32 *channel_type;
|
|
channel_type = (unsigned int *)secrets_fetch(machine_sec_channel_type_keystr(domain), &size);
|
|
if (channel_type) {
|
|
*channel = IVAL(channel_type,0);
|
|
SAFE_FREE(channel_type);
|
|
} else {
|
|
*channel = get_default_sec_channel();
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to delete the password for trusted domain
|
|
************************************************************************/
|
|
|
|
bool trusted_domain_password_delete(const char *domain)
|
|
{
|
|
return secrets_delete(trustdom_keystr(domain));
|
|
}
|
|
|
|
bool secrets_store_ldap_pw(const char* dn, char* pw)
|
|
{
|
|
char *key = NULL;
|
|
bool ret;
|
|
|
|
if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, dn) < 0) {
|
|
DEBUG(0, ("secrets_store_ldap_pw: asprintf failed!\n"));
|
|
return False;
|
|
}
|
|
|
|
ret = secrets_store(key, pw, strlen(pw)+1);
|
|
|
|
SAFE_FREE(key);
|
|
return ret;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Find the ldap password.
|
|
******************************************************************/
|
|
|
|
bool fetch_ldap_pw(char **dn, char** pw)
|
|
{
|
|
char *key = NULL;
|
|
size_t size = 0;
|
|
|
|
*dn = smb_xstrdup(lp_ldap_admin_dn());
|
|
|
|
if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, *dn) < 0) {
|
|
SAFE_FREE(*dn);
|
|
DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
|
|
return false;
|
|
}
|
|
|
|
*pw=(char *)secrets_fetch(key, &size);
|
|
SAFE_FREE(key);
|
|
|
|
if (!size) {
|
|
/* Upgrade 2.2 style entry */
|
|
char *p;
|
|
char* old_style_key = SMB_STRDUP(*dn);
|
|
char *data;
|
|
fstring old_style_pw;
|
|
|
|
if (!old_style_key) {
|
|
DEBUG(0, ("fetch_ldap_pw: strdup failed!\n"));
|
|
return False;
|
|
}
|
|
|
|
for (p=old_style_key; *p; p++)
|
|
if (*p == ',') *p = '/';
|
|
|
|
data=(char *)secrets_fetch(old_style_key, &size);
|
|
if ((data == NULL) || (size < sizeof(old_style_pw))) {
|
|
DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
|
|
SAFE_FREE(old_style_key);
|
|
SAFE_FREE(*dn);
|
|
SAFE_FREE(data);
|
|
return False;
|
|
}
|
|
|
|
size = MIN(size, sizeof(fstring)-1);
|
|
strncpy(old_style_pw, data, size);
|
|
old_style_pw[size] = 0;
|
|
|
|
SAFE_FREE(data);
|
|
|
|
if (!secrets_store_ldap_pw(*dn, old_style_pw)) {
|
|
DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n"));
|
|
SAFE_FREE(old_style_key);
|
|
SAFE_FREE(*dn);
|
|
return False;
|
|
}
|
|
if (!secrets_delete(old_style_key)) {
|
|
DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n"));
|
|
}
|
|
|
|
SAFE_FREE(old_style_key);
|
|
|
|
*pw = smb_xstrdup(old_style_pw);
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
/**
|
|
* Get trusted domains info from secrets.tdb.
|
|
**/
|
|
|
|
struct list_trusted_domains_state {
|
|
uint32 num_domains;
|
|
struct trustdom_info **domains;
|
|
};
|
|
|
|
static int list_trusted_domain(struct db_record *rec, void *private_data)
|
|
{
|
|
const size_t prefix_len = strlen(SECRETS_DOMTRUST_ACCT_PASS);
|
|
struct TRUSTED_DOM_PASS pass;
|
|
enum ndr_err_code ndr_err;
|
|
DATA_BLOB blob;
|
|
struct trustdom_info *dom_info;
|
|
|
|
struct list_trusted_domains_state *state =
|
|
(struct list_trusted_domains_state *)private_data;
|
|
|
|
if ((rec->key.dsize < prefix_len)
|
|
|| (strncmp((char *)rec->key.dptr, SECRETS_DOMTRUST_ACCT_PASS,
|
|
prefix_len) != 0)) {
|
|
return 0;
|
|
}
|
|
|
|
blob = data_blob_const(rec->value.dptr, rec->value.dsize);
|
|
|
|
ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), NULL, &pass,
|
|
(ndr_pull_flags_fn_t)ndr_pull_TRUSTED_DOM_PASS);
|
|
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
|
|
return false;
|
|
}
|
|
|
|
if (pass.domain_sid.num_auths != 4) {
|
|
DEBUG(0, ("SID %s is not a domain sid, has %d "
|
|
"auths instead of 4\n",
|
|
sid_string_dbg(&pass.domain_sid),
|
|
pass.domain_sid.num_auths));
|
|
return 0;
|
|
}
|
|
|
|
if (!(dom_info = TALLOC_P(state->domains, struct trustdom_info))) {
|
|
DEBUG(0, ("talloc failed\n"));
|
|
return 0;
|
|
}
|
|
|
|
dom_info->name = talloc_strdup(dom_info, pass.uni_name);
|
|
if (!dom_info->name) {
|
|
TALLOC_FREE(dom_info);
|
|
return 0;
|
|
}
|
|
|
|
sid_copy(&dom_info->sid, &pass.domain_sid);
|
|
|
|
ADD_TO_ARRAY(state->domains, struct trustdom_info *, dom_info,
|
|
&state->domains, &state->num_domains);
|
|
|
|
if (state->domains == NULL) {
|
|
state->num_domains = 0;
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
NTSTATUS secrets_trusted_domains(TALLOC_CTX *mem_ctx, uint32 *num_domains,
|
|
struct trustdom_info ***domains)
|
|
{
|
|
struct list_trusted_domains_state state;
|
|
|
|
secrets_init();
|
|
|
|
if (db_ctx == NULL) {
|
|
return NT_STATUS_ACCESS_DENIED;
|
|
}
|
|
|
|
state.num_domains = 0;
|
|
|
|
/*
|
|
* Make sure that a talloc context for the trustdom_info structs
|
|
* exists
|
|
*/
|
|
|
|
if (!(state.domains = TALLOC_ARRAY(
|
|
mem_ctx, struct trustdom_info *, 1))) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
db_ctx->traverse_read(db_ctx, list_trusted_domain, (void *)&state);
|
|
|
|
*num_domains = state.num_domains;
|
|
*domains = state.domains;
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
Store a complete AFS keyfile into secrets.tdb.
|
|
*******************************************************************************/
|
|
|
|
bool secrets_store_afs_keyfile(const char *cell, const struct afs_keyfile *keyfile)
|
|
{
|
|
fstring key;
|
|
|
|
if ((cell == NULL) || (keyfile == NULL))
|
|
return False;
|
|
|
|
if (ntohl(keyfile->nkeys) > SECRETS_AFS_MAXKEYS)
|
|
return False;
|
|
|
|
slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_AFS_KEYFILE, cell);
|
|
return secrets_store(key, keyfile, sizeof(struct afs_keyfile));
|
|
}
|
|
|
|
/*******************************************************************************
|
|
Fetch the current (highest) AFS key from secrets.tdb
|
|
*******************************************************************************/
|
|
bool secrets_fetch_afs_key(const char *cell, struct afs_key *result)
|
|
{
|
|
fstring key;
|
|
struct afs_keyfile *keyfile;
|
|
size_t size = 0;
|
|
uint32 i;
|
|
|
|
slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_AFS_KEYFILE, cell);
|
|
|
|
keyfile = (struct afs_keyfile *)secrets_fetch(key, &size);
|
|
|
|
if (keyfile == NULL)
|
|
return False;
|
|
|
|
if (size != sizeof(struct afs_keyfile)) {
|
|
SAFE_FREE(keyfile);
|
|
return False;
|
|
}
|
|
|
|
i = ntohl(keyfile->nkeys);
|
|
|
|
if (i > SECRETS_AFS_MAXKEYS) {
|
|
SAFE_FREE(keyfile);
|
|
return False;
|
|
}
|
|
|
|
*result = keyfile->entry[i-1];
|
|
|
|
result->kvno = ntohl(result->kvno);
|
|
|
|
SAFE_FREE(keyfile);
|
|
|
|
return True;
|
|
}
|
|
|
|
/******************************************************************************
|
|
When kerberos is not available, choose between anonymous or
|
|
authenticated connections.
|
|
|
|
We need to use an authenticated connection if DCs have the
|
|
RestrictAnonymous registry entry set > 0, or the "Additional
|
|
restrictions for anonymous connections" set in the win2k Local
|
|
Security Policy.
|
|
|
|
Caller to free() result in domain, username, password
|
|
*******************************************************************************/
|
|
void secrets_fetch_ipc_userpass(char **username, char **domain, char **password)
|
|
{
|
|
*username = (char *)secrets_fetch(SECRETS_AUTH_USER, NULL);
|
|
*domain = (char *)secrets_fetch(SECRETS_AUTH_DOMAIN, NULL);
|
|
*password = (char *)secrets_fetch(SECRETS_AUTH_PASSWORD, NULL);
|
|
|
|
if (*username && **username) {
|
|
|
|
if (!*domain || !**domain)
|
|
*domain = smb_xstrdup(lp_workgroup());
|
|
|
|
if (!*password || !**password)
|
|
*password = smb_xstrdup("");
|
|
|
|
DEBUG(3, ("IPC$ connections done by user %s\\%s\n",
|
|
*domain, *username));
|
|
|
|
} else {
|
|
DEBUG(3, ("IPC$ connections done anonymously\n"));
|
|
*username = smb_xstrdup("");
|
|
*domain = smb_xstrdup("");
|
|
*password = smb_xstrdup("");
|
|
}
|
|
}
|
|
|
|
bool secrets_store_generic(const char *owner, const char *key, const char *secret)
|
|
{
|
|
char *tdbkey = NULL;
|
|
bool ret;
|
|
|
|
if (asprintf(&tdbkey, "SECRETS/GENERIC/%s/%s", owner, key) < 0) {
|
|
DEBUG(0, ("asprintf failed!\n"));
|
|
return False;
|
|
}
|
|
|
|
ret = secrets_store(tdbkey, secret, strlen(secret)+1);
|
|
|
|
SAFE_FREE(tdbkey);
|
|
return ret;
|
|
}
|
|
|
|
bool secrets_delete_generic(const char *owner, const char *key)
|
|
{
|
|
char *tdbkey = NULL;
|
|
bool ret;
|
|
|
|
if (asprintf(&tdbkey, "SECRETS/GENERIC/%s/%s", owner, key) < 0) {
|
|
DEBUG(0, ("asprintf failed!\n"));
|
|
return False;
|
|
}
|
|
|
|
ret = secrets_delete(tdbkey);
|
|
|
|
SAFE_FREE(tdbkey);
|
|
return ret;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Find the ldap password.
|
|
******************************************************************/
|
|
|
|
char *secrets_fetch_generic(const char *owner, const char *key)
|
|
{
|
|
char *secret = NULL;
|
|
char *tdbkey = NULL;
|
|
|
|
if (( ! owner) || ( ! key)) {
|
|
DEBUG(1, ("Invalid Paramters"));
|
|
return NULL;
|
|
}
|
|
|
|
if (asprintf(&tdbkey, "SECRETS/GENERIC/%s/%s", owner, key) < 0) {
|
|
DEBUG(0, ("Out of memory!\n"));
|
|
return NULL;
|
|
}
|
|
|
|
secret = (char *)secrets_fetch(tdbkey, NULL);
|
|
SAFE_FREE(tdbkey);
|
|
|
|
return secret;
|
|
}
|
|
|