such as the local SID and machine trust password */
#include "includes.h"
+#include "system/filesys.h"
+#include "../libcli/auth/libcli_auth.h"
+#include "librpc/gen_ndr/ndr_secrets.h"
+#include "secrets.h"
+#include "dbwrap/dbwrap.h"
+#include "dbwrap/dbwrap_open.h"
+#include "../libcli/security/security.h"
+#include "util_tdb.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_PASSDB
-static TDB_CONTEXT *tdb;
-
-/* Urrrg. global.... */
-bool global_machine_password_needs_changing;
+static struct db_context *db_ctx;
/**
* Use a TDB to store an incrementing random seed.
*
* @note Not called by systems with a working /dev/urandom.
*/
-static void get_rand_seed(int *new_seed)
+static void get_rand_seed(void *userdata, int *new_seed)
{
*new_seed = sys_getpid();
- if (tdb) {
- tdb_change_int32_atomic(tdb, "INFO/random_seed", new_seed, 1);
+ if (db_ctx) {
+ dbwrap_trans_change_int32_atomic(db_ctx, "INFO/random_seed",
+ new_seed, 1);
}
}
-/* open up the secrets database */
-bool secrets_init(void)
+/* open up the secrets database with specified private_dir path */
+bool secrets_init_path(const char *private_dir)
{
- TALLOC_CTX *ctx;
char *fname = NULL;
unsigned char dummy;
- if (tdb)
+ if (db_ctx != NULL) {
return True;
+ }
- ctx = talloc_init("secrets_init");
- if (!ctx) {
- return false;
+ if (private_dir == NULL) {
+ return False;
}
- fname = talloc_asprintf(ctx,
- "%s/secrets.tdb",
- lp_private_dir());
- if (!fname) {
- TALLOC_FREE(ctx);
- return false;
+
+ fname = talloc_asprintf(talloc_tos(), "%s/secrets.tdb",
+ private_dir);
+ if (fname == NULL) {
+ return False;
}
- tdb = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
+ db_ctx = db_open(NULL, fname, 0,
+ TDB_DEFAULT, O_RDWR|O_CREAT, 0600,
+ DBWRAP_LOCK_ORDER_1);
- if (!tdb) {
+ if (db_ctx == NULL) {
DEBUG(0,("Failed to open %s\n", fname));
- TALLOC_FREE(ctx);
return False;
}
- TALLOC_FREE(ctx);
+ TALLOC_FREE(fname);
/**
* Set a reseed function for the crypto random generator
* This avoids a problem where systems without /dev/urandom
* could send the same challenge to multiple clients
*/
- set_rand_reseed_callback(get_rand_seed);
+ set_rand_reseed_callback(get_rand_seed, NULL);
/* Ensure that the reseed is done now, while we are root, etc */
generate_random_buffer(&dummy, sizeof(dummy));
return True;
}
-/* read a entry from the secrets database - the caller must free the result
- if size is non-null then the size of the entry is put in there
- */
-void *secrets_fetch(const char *key, size_t *size)
+/* open up the secrets database */
+bool secrets_init(void)
{
- TDB_DATA dbuf;
- secrets_init();
- if (!tdb)
- return NULL;
- dbuf = tdb_fetch(tdb, string_tdb_data(key));
- if (size)
- *size = dbuf.dsize;
- return dbuf.dptr;
+ return secrets_init_path(lp_private_dir());
}
-/* store a secrets entry
- */
-bool secrets_store(const char *key, const void *data, size_t size)
+struct db_context *secrets_db_ctx(void)
{
- secrets_init();
- if (!tdb)
- return False;
- return tdb_trans_store(tdb, string_tdb_data(key),
- make_tdb_data((const uint8 *)data, size),
- TDB_REPLACE) == 0;
-}
+ if (!secrets_init()) {
+ return NULL;
+ }
+ return db_ctx;
+}
-/* delete a secets database entry
+/*
+ * close secrets.tdb
*/
-bool secrets_delete(const char *key)
+void secrets_shutdown(void)
{
- secrets_init();
- if (!tdb)
- return False;
- return tdb_trans_delete(tdb, string_tdb_data(key)) == 0;
+ TALLOC_FREE(db_ctx);
}
-bool secrets_store_domain_sid(const char *domain, const DOM_SID *sid)
-{
- fstring key;
- bool ret;
-
- slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_DOMAIN_SID, domain);
- strupper_m(key);
- ret = secrets_store(key, sid, sizeof(DOM_SID));
-
- /* Force a re-query, in case we modified our domain */
- if (ret)
- reset_global_sam_sid();
- return ret;
-}
-
-bool secrets_fetch_domain_sid(const char *domain, DOM_SID *sid)
+/* read a entry from the secrets database - the caller must free the result
+ if size is non-null then the size of the entry is put in there
+ */
+void *secrets_fetch(const char *key, size_t *size)
{
- DOM_SID *dyn_sid;
- fstring key;
- size_t size = 0;
-
- slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_DOMAIN_SID, domain);
- strupper_m(key);
- dyn_sid = (DOM_SID *)secrets_fetch(key, &size);
+ TDB_DATA dbuf;
+ void *result;
+ NTSTATUS status;
- if (dyn_sid == NULL)
- return False;
+ if (!secrets_init()) {
+ return NULL;
+ }
- if (size != sizeof(DOM_SID)) {
- SAFE_FREE(dyn_sid);
- return False;
+ status = dbwrap_fetch(db_ctx, talloc_tos(), string_tdb_data(key),
+ &dbuf);
+ if (!NT_STATUS_IS_OK(status)) {
+ return NULL;
}
- *sid = *dyn_sid;
- SAFE_FREE(dyn_sid);
- return True;
-}
+ result = memdup(dbuf.dptr, dbuf.dsize);
+ if (result == NULL) {
+ return NULL;
+ }
+ TALLOC_FREE(dbuf.dptr);
-bool secrets_store_domain_guid(const char *domain, struct GUID *guid)
-{
- fstring key;
+ if (size) {
+ *size = dbuf.dsize;
+ }
- slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_DOMAIN_GUID, domain);
- strupper_m(key);
- return secrets_store(key, guid, sizeof(struct GUID));
+ return result;
}
-bool secrets_fetch_domain_guid(const char *domain, struct GUID *guid)
+/* store a secrets entry
+ */
+bool secrets_store(const char *key, const void *data, size_t size)
{
- struct GUID *dyn_guid;
- fstring key;
- size_t size = 0;
- struct GUID new_guid;
-
- slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_DOMAIN_GUID, domain);
- strupper_m(key);
- dyn_guid = (struct GUID *)secrets_fetch(key, &size);
-
- if (!dyn_guid) {
- if (lp_server_role() == ROLE_DOMAIN_PDC) {
- smb_uuid_generate_random(&new_guid);
- if (!secrets_store_domain_guid(domain, &new_guid))
- return False;
- dyn_guid = (struct GUID *)secrets_fetch(key, &size);
- }
- if (dyn_guid == NULL) {
- return False;
- }
- }
+ NTSTATUS status;
- if (size != sizeof(struct GUID)) {
- DEBUG(1,("UUID size %d is wrong!\n", (int)size));
- SAFE_FREE(dyn_guid);
- return False;
+ if (!secrets_init()) {
+ return false;
}
- *guid = *dyn_guid;
- SAFE_FREE(dyn_guid);
- return True;
+ status = dbwrap_trans_store(db_ctx, string_tdb_data(key),
+ make_tdb_data((const uint8 *)data, size),
+ TDB_REPLACE);
+ return NT_STATUS_IS_OK(status);
}
-/**
- * Form a key for fetching the machine trust account password
- *
- * @param domain domain name
- *
- * @return stored password's key
- **/
-static const char *trust_keystr(const char *domain)
-{
- char *keystr;
- keystr = talloc_asprintf(talloc_tos(), "%s/%s",
- SECRETS_MACHINE_ACCT_PASS, domain);
- SMB_ASSERT(keystr != NULL);
+/* delete a secets database entry
+ */
+bool secrets_delete(const char *key)
+{
+ NTSTATUS status;
+ if (!secrets_init()) {
+ return false;
+ }
- strupper_m(keystr);
+ status = dbwrap_trans_delete(db_ctx, string_tdb_data(key));
- return keystr;
+ return NT_STATUS_IS_OK(status);
}
/**
{
char *keystr;
- keystr = talloc_asprintf(talloc_tos(), "%s/%s",
- SECRETS_DOMTRUST_ACCT_PASS, domain);
+ keystr = talloc_asprintf_strupper_m(talloc_tos(), "%s/%s",
+ SECRETS_DOMTRUST_ACCT_PASS,
+ domain);
SMB_ASSERT(keystr != NULL);
- strupper_m(keystr);
-
return keystr;
}
-/************************************************************************
- Lock the trust password entry.
-************************************************************************/
-
-bool secrets_lock_trust_account_password(const char *domain, bool dolock)
-{
- if (!tdb)
- return False;
-
- if (dolock)
- return (tdb_lock_bystring(tdb, trust_keystr(domain)) == 0);
- else
- tdb_unlock_bystring(tdb, trust_keystr(domain));
- return True;
-}
-
-/************************************************************************
- Routine to get the default secure channel type for trust accounts
-************************************************************************/
-
-uint32 get_default_sec_channel(void)
-{
- if (lp_server_role() == ROLE_DOMAIN_BDC ||
- lp_server_role() == ROLE_DOMAIN_PDC) {
- return SEC_CHAN_BDC;
- } else {
- return SEC_CHAN_WKSTA;
- }
-}
-
-/************************************************************************
- Routine to get the trust account password for a domain.
- The user of this function must have locked the trust password file using
- the above secrets_lock_trust_account_password().
-************************************************************************/
-
-bool secrets_fetch_trust_account_password(const char *domain, uint8 ret_pwd[16],
- time_t *pass_last_set_time,
- uint32 *channel)
-{
- struct machine_acct_pass *pass;
- char *plaintext;
- size_t size = 0;
-
- plaintext = secrets_fetch_machine_password(domain, pass_last_set_time,
- channel);
- if (plaintext) {
- DEBUG(4,("Using cleartext machine password\n"));
- E_md4hash(plaintext, ret_pwd);
- SAFE_FREE(plaintext);
- return True;
- }
-
- if (!(pass = (struct machine_acct_pass *)secrets_fetch(
- trust_keystr(domain), &size))) {
- DEBUG(5, ("secrets_fetch failed!\n"));
- return False;
- }
-
- if (size != sizeof(*pass)) {
- DEBUG(0, ("secrets were of incorrect size!\n"));
- return False;
- }
-
- if (pass_last_set_time) {
- *pass_last_set_time = pass->mod_time;
- }
- memcpy(ret_pwd, pass->hash, 16);
-
- if (channel) {
- *channel = get_default_sec_channel();
- }
-
- /* Test if machine password has expired and needs to be changed */
- if (lp_machine_password_timeout()) {
- if (pass->mod_time > 0 && time(NULL) > (pass->mod_time +
- (time_t)lp_machine_password_timeout())) {
- global_machine_password_needs_changing = True;
- }
- }
-
- SAFE_FREE(pass);
- return True;
-}
-
-/**
- * Pack SID passed by pointer
- *
- * @param pack_buf pointer to buffer which is to be filled with packed data
- * @param bufsize size of packing buffer
- * @param sid pointer to sid to be packed
- *
- * @return length of the packed representation of the whole structure
- **/
-static size_t tdb_sid_pack(uint8 *pack_buf, int bufsize, DOM_SID* sid)
-{
- int idx;
- size_t len = 0;
- uint8 *p = pack_buf;
- int remaining_space = pack_buf ? bufsize : 0;
-
- if (!sid) {
- return -1;
- }
-
- len += tdb_pack(p, remaining_space, "bb", sid->sid_rev_num,
- sid->num_auths);
- if (pack_buf) {
- p += len;
- remaining_space -= len;
- }
-
- for (idx = 0; idx < 6; idx++) {
- len += tdb_pack(p, remaining_space, "b",
- sid->id_auth[idx]);
- if (pack_buf) {
- p += len;
- remaining_space -= len;
- }
- }
-
- for (idx = 0; idx < MAXSUBAUTHS; idx++) {
- len += tdb_pack(p, remaining_space, "d",
- sid->sub_auths[idx]);
- if (pack_buf) {
- p += len;
- remaining_space -= len;
- }
- }
-
- return len;
-}
-
-/**
- * Unpack SID into a pointer
- *
- * @param pack_buf pointer to buffer with packed representation
- * @param bufsize size of the buffer
- * @param sid pointer to sid structure to be filled with unpacked data
- *
- * @return size of structure unpacked from buffer
- **/
-static size_t tdb_sid_unpack(uint8 *pack_buf, int bufsize, DOM_SID* sid)
-{
- int idx, len = 0;
-
- if (!sid || !pack_buf) return -1;
-
- len += tdb_unpack(pack_buf + len, bufsize - len, "bb",
- &sid->sid_rev_num, &sid->num_auths);
-
- for (idx = 0; idx < 6; idx++) {
- len += tdb_unpack(pack_buf + len, bufsize - len, "b",
- &sid->id_auth[idx]);
- }
-
- for (idx = 0; idx < MAXSUBAUTHS; idx++) {
- len += tdb_unpack(pack_buf + len, bufsize - len, "d",
- &sid->sub_auths[idx]);
- }
-
- return len;
-}
-
-/**
- * Pack TRUSTED_DOM_PASS passed by pointer
- *
- * @param pack_buf pointer to buffer which is to be filled with packed data
- * @param bufsize size of the buffer
- * @param pass pointer to trusted domain password to be packed
- *
- * @return length of the packed representation of the whole structure
- **/
-static size_t tdb_trusted_dom_pass_pack(uint8 *pack_buf, int bufsize,
- TRUSTED_DOM_PASS* pass)
-{
- int idx, len = 0;
- uint8 *p = pack_buf;
- int remaining_space = pack_buf ? bufsize : 0;
-
- if (!pass) {
- return -1;
- }
-
- /* packing unicode domain name and password */
- len += tdb_pack(p, remaining_space, "d",
- pass->uni_name_len);
- if (pack_buf) {
- p += len;
- remaining_space -= len;
- }
-
- for (idx = 0; idx < 32; idx++) {
- len += tdb_pack(p, remaining_space, "w",
- pass->uni_name[idx]);
- if (pack_buf) {
- p += len;
- remaining_space -= len;
- }
- }
-
- len += tdb_pack(p, remaining_space, "dPd", pass->pass_len,
- pass->pass, pass->mod_time);
- if (pack_buf) {
- p += len;
- remaining_space -= len;
- }
-
- /* packing SID structure */
- len += tdb_sid_pack(p, remaining_space, &pass->domain_sid);
- if (pack_buf) {
- p += len;
- remaining_space -= len;
- }
-
- return len;
-}
-
-
-/**
- * Unpack TRUSTED_DOM_PASS passed by pointer
- *
- * @param pack_buf pointer to buffer with packed representation
- * @param bufsize size of the buffer
- * @param pass pointer to trusted domain password to be filled with unpacked data
- *
- * @return size of structure unpacked from buffer
- **/
-static size_t tdb_trusted_dom_pass_unpack(uint8 *pack_buf, int bufsize,
- TRUSTED_DOM_PASS* pass)
-{
- int idx, len = 0;
-
- if (!pack_buf || !pass) return -1;
-
- /* unpack unicode domain name and plaintext password */
- len += tdb_unpack(pack_buf, bufsize - len, "d", &pass->uni_name_len);
-
- for (idx = 0; idx < 32; idx++)
- len += tdb_unpack(pack_buf + len, bufsize - len, "w",
- &pass->uni_name[idx]);
-
- len += tdb_unpack(pack_buf + len, bufsize - len, "dPd",
- &pass->pass_len, &pass->pass, &pass->mod_time);
-
- /* unpack domain sid */
- len += tdb_sid_unpack(pack_buf + len, bufsize - len,
- &pass->domain_sid);
-
- return len;
-}
-
/************************************************************************
Routine to get account password to trusted domain
************************************************************************/
bool secrets_fetch_trusted_domain_password(const char *domain, char** pwd,
- DOM_SID *sid, time_t *pass_last_set_time)
+ struct dom_sid *sid, time_t *pass_last_set_time)
{
- struct trusted_dom_pass pass;
- size_t size = 0;
+ struct TRUSTED_DOM_PASS pass;
+ enum ndr_err_code ndr_err;
/* unpacking structures */
- uint8 *pass_buf;
- int pass_len = 0;
-
- ZERO_STRUCT(pass);
+ DATA_BLOB blob;
/* fetching trusted domain password structure */
- if (!(pass_buf = (uint8 *)secrets_fetch(trustdom_keystr(domain),
- &size))) {
+ if (!(blob.data = (uint8_t *)secrets_fetch(trustdom_keystr(domain),
+ &blob.length))) {
DEBUG(5, ("secrets_fetch failed!\n"));
return False;
}
/* unpack trusted domain password */
- pass_len = tdb_trusted_dom_pass_unpack(pass_buf, size, &pass);
- SAFE_FREE(pass_buf);
+ ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &pass,
+ (ndr_pull_flags_fn_t)ndr_pull_TRUSTED_DOM_PASS);
- if (pass_len != size) {
- DEBUG(5, ("Invalid secrets size. Unpacked data doesn't match trusted_dom_pass structure.\n"));
- return False;
+ SAFE_FREE(blob.data);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return false;
}
+
/* the trust's password */
if (pwd) {
*pwd = SMB_STRDUP(pass.pass);
return True;
}
-/************************************************************************
- Routine to set the trust account password for a domain.
-************************************************************************/
-
-bool secrets_store_trust_account_password(const char *domain, uint8 new_pwd[16])
-{
- struct machine_acct_pass pass;
-
- pass.mod_time = time(NULL);
- memcpy(pass.hash, new_pwd, 16);
-
- return secrets_store(trust_keystr(domain), (void *)&pass, sizeof(pass));
-}
-
/**
* Routine to store the password for trusted domain
*
**/
bool secrets_store_trusted_domain_password(const char* domain, const char* pwd,
- const DOM_SID *sid)
+ const struct dom_sid *sid)
{
- smb_ucs2_t *uni_dom_name;
bool ret;
/* packing structures */
- uint8 *pass_buf = NULL;
- int pass_len = 0;
-
- struct trusted_dom_pass pass;
+ DATA_BLOB blob;
+ enum ndr_err_code ndr_err;
+ struct TRUSTED_DOM_PASS pass;
ZERO_STRUCT(pass);
- if (push_ucs2_allocate(&uni_dom_name, domain) == (size_t)-1) {
- DEBUG(0, ("Could not convert domain name %s to unicode\n",
- domain));
- return False;
- }
-
- strncpy_w(pass.uni_name, uni_dom_name, sizeof(pass.uni_name) - 1);
- pass.uni_name_len = strlen_w(uni_dom_name)+1;
- SAFE_FREE(uni_dom_name);
+ pass.uni_name = domain;
+ pass.uni_name_len = strlen(domain)+1;
/* last change time */
pass.mod_time = time(NULL);
/* password of the trust */
pass.pass_len = strlen(pwd);
- fstrcpy(pass.pass, pwd);
+ pass.pass = pwd;
/* domain sid */
sid_copy(&pass.domain_sid, sid);
- /* Calculate the length. */
- pass_len = tdb_trusted_dom_pass_pack(NULL, 0, &pass);
- pass_buf = SMB_MALLOC_ARRAY(uint8, pass_len);
- if (!pass_buf) {
+ ndr_err = ndr_push_struct_blob(&blob, talloc_tos(), &pass,
+ (ndr_push_flags_fn_t)ndr_push_TRUSTED_DOM_PASS);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return false;
}
- pass_len = tdb_trusted_dom_pass_pack(pass_buf, pass_len, &pass);
- ret = secrets_store(trustdom_keystr(domain), (void *)&pass_buf,
- pass_len);
- SAFE_FREE(pass_buf);
- return ret;
-}
-/************************************************************************
- Routine to set the plaintext machine account password for a realm
-the password is assumed to be a null terminated ascii string
-************************************************************************/
+ ret = secrets_store(trustdom_keystr(domain), blob.data, blob.length);
-bool secrets_store_machine_password(const char *pass, const char *domain, uint32 sec_channel)
-{
- char *key = NULL;
- bool ret;
- uint32 last_change_time;
- uint32 sec_channel_type;
-
- asprintf(&key, "%s/%s", SECRETS_MACHINE_PASSWORD, domain);
- if (!key)
- return False;
- strupper_m(key);
-
- ret = secrets_store(key, pass, strlen(pass)+1);
- SAFE_FREE(key);
-
- if (!ret)
- return ret;
-
- asprintf(&key, "%s/%s", SECRETS_MACHINE_LAST_CHANGE_TIME, domain);
- if (!key)
- return False;
- strupper_m(key);
-
- SIVAL(&last_change_time, 0, time(NULL));
- ret = secrets_store(key, &last_change_time, sizeof(last_change_time));
- SAFE_FREE(key);
-
- asprintf(&key, "%s/%s", SECRETS_MACHINE_SEC_CHANNEL_TYPE, domain);
- if (!key)
- return False;
- strupper_m(key);
-
- SIVAL(&sec_channel_type, 0, sec_channel);
- ret = secrets_store(key, &sec_channel_type, sizeof(sec_channel_type));
- SAFE_FREE(key);
+ data_blob_free(&blob);
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,
- uint32 *channel)
-{
- char *key = NULL;
- char *ret;
- asprintf(&key, "%s/%s", SECRETS_MACHINE_PASSWORD, domain);
- strupper_m(key);
- ret = (char *)secrets_fetch(key, NULL);
- SAFE_FREE(key);
-
- if (pass_last_set_time) {
- size_t size;
- uint32 *last_set_time;
- asprintf(&key, "%s/%s", SECRETS_MACHINE_LAST_CHANGE_TIME, domain);
- strupper_m(key);
- last_set_time = (unsigned int *)secrets_fetch(key, &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;
- }
- SAFE_FREE(key);
- }
-
- if (channel) {
- size_t size;
- uint32 *channel_type;
- asprintf(&key, "%s/%s", SECRETS_MACHINE_SEC_CHANNEL_TYPE, domain);
- strupper_m(key);
- channel_type = (unsigned int *)secrets_fetch(key, &size);
- if (channel_type) {
- *channel = IVAL(channel_type,0);
- SAFE_FREE(channel_type);
- } else {
- *channel = get_default_sec_channel();
- }
- SAFE_FREE(key);
- }
-
- return ret;
-}
-
-/************************************************************************
- Routine to delete the machine trust account password file for a domain.
-************************************************************************/
-
-bool trust_password_delete(const char *domain)
-{
- return secrets_delete(trust_keystr(domain));
-}
-
/************************************************************************
Routine to delete the password for trusted domain
************************************************************************/
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);
if (*p == ',') *p = '/';
data=(char *)secrets_fetch(old_style_key, &size);
- if (!size && size < sizeof(old_style_pw)) {
+ 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;
}
return True;
}
-/**
- * Get trusted domains info from secrets.tdb.
- **/
-
-NTSTATUS secrets_trusted_domains(TALLOC_CTX *mem_ctx, uint32 *num_domains,
- struct trustdom_info ***domains)
-{
- TDB_LIST_NODE *keys, *k;
- char *pattern;
- TALLOC_CTX *tmp_ctx;
-
- if (!(tmp_ctx = talloc_new(mem_ctx))) {
- return NT_STATUS_NO_MEMORY;
- }
-
- if (!secrets_init()) return NT_STATUS_ACCESS_DENIED;
-
- /* generate searching pattern */
- pattern = talloc_asprintf(tmp_ctx, "%s/*", SECRETS_DOMTRUST_ACCT_PASS);
- if (pattern == NULL) {
- DEBUG(0, ("secrets_trusted_domains: talloc_asprintf() "
- "failed!\n"));
- TALLOC_FREE(tmp_ctx);
- return NT_STATUS_NO_MEMORY;
- }
-
- *num_domains = 0;
-
- /*
- * Make sure that a talloc context for the trustdom_info structs
- * exists
- */
-
- if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
- TALLOC_FREE(tmp_ctx);
- return NT_STATUS_NO_MEMORY;
- }
-
- /* fetching trusted domains' data and collecting them in a list */
- keys = tdb_search_keys(tdb, pattern);
-
- /* searching for keys in secrets db -- way to go ... */
- for (k = keys; k; k = k->next) {
- uint8 *packed_pass;
- size_t size = 0, packed_size = 0;
- struct trusted_dom_pass pass;
- char *secrets_key;
- struct trustdom_info *dom_info;
-
- /* important: ensure null-termination of the key string */
- secrets_key = talloc_strndup(tmp_ctx,
- (const char *)k->node_key.dptr,
- k->node_key.dsize);
- if (!secrets_key) {
- DEBUG(0, ("strndup failed!\n"));
- tdb_search_list_free(keys);
- TALLOC_FREE(tmp_ctx);
- return NT_STATUS_NO_MEMORY;
- }
-
- packed_pass = (uint8 *)secrets_fetch(secrets_key, &size);
- packed_size = tdb_trusted_dom_pass_unpack(packed_pass, size,
- &pass);
- /* packed representation isn't needed anymore */
- SAFE_FREE(packed_pass);
-
- if (size != packed_size) {
- DEBUG(2, ("Secrets record %s is invalid!\n",
- secrets_key));
- continue;
- }
-
- 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_static(&pass.domain_sid),
- pass.domain_sid.num_auths));
- continue;
- }
-
- if (!(dom_info = TALLOC_P(*domains, struct trustdom_info))) {
- DEBUG(0, ("talloc failed\n"));
- tdb_search_list_free(keys);
- TALLOC_FREE(tmp_ctx);
- return NT_STATUS_NO_MEMORY;
- }
-
- if (pull_ucs2_talloc(dom_info, &dom_info->name,
- pass.uni_name) == (size_t)-1) {
- DEBUG(2, ("pull_ucs2_talloc failed\n"));
- tdb_search_list_free(keys);
- TALLOC_FREE(tmp_ctx);
- return NT_STATUS_NO_MEMORY;
- }
-
- sid_copy(&dom_info->sid, &pass.domain_sid);
-
- ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
- domains, num_domains);
-
- if (*domains == NULL) {
- tdb_search_list_free(keys);
- TALLOC_FREE(tmp_ctx);
- return NT_STATUS_NO_MEMORY;
- }
- }
-
- DEBUG(5, ("secrets_get_trusted_domains: got %d domains\n",
- *num_domains));
-
- /* free the results of searching the keys */
- tdb_search_list_free(keys);
- TALLOC_FREE(tmp_ctx);
-
- return NT_STATUS_OK;
-}
-
-/*******************************************************************************
- Lock the secrets tdb based on a string - this is used as a primitive form of mutex
- between smbd instances.
-*******************************************************************************/
-
-bool secrets_named_mutex(const char *name, unsigned int timeout)
-{
- int ret = 0;
-
- if (!secrets_init())
- return False;
-
- ret = tdb_lock_bystring_with_timeout(tdb, name, timeout);
- if (ret == 0)
- DEBUG(10,("secrets_named_mutex: got mutex for %s\n", name ));
-
- return (ret == 0);
-}
-
-/*******************************************************************************
- Unlock a named mutex.
-*******************************************************************************/
-
-void secrets_named_mutex_release(const char *name)
-{
- tdb_unlock_bystring(tdb, name);
- DEBUG(10,("secrets_named_mutex: released mutex for %s\n", name ));
-}
-
/*******************************************************************************
Store a complete AFS keyfile into secrets.tdb.
*******************************************************************************/
result->kvno = ntohl(result->kvno);
+ SAFE_FREE(keyfile);
+
return True;
}
}
}
-/******************************************************************************
- Open or create the schannel session store tdb.
-*******************************************************************************/
-
-static TDB_CONTEXT *open_schannel_session_store(TALLOC_CTX *mem_ctx)
-{
- TDB_DATA vers;
- uint32 ver;
- TDB_CONTEXT *tdb_sc = NULL;
- char *fname = talloc_asprintf(mem_ctx, "%s/schannel_store.tdb", lp_private_dir());
-
- if (!fname) {
- return NULL;
- }
-
- tdb_sc = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
-
- if (!tdb_sc) {
- DEBUG(0,("open_schannel_session_store: Failed to open %s\n", fname));
- TALLOC_FREE(fname);
- return NULL;
- }
-
- vers = tdb_fetch_bystring(tdb_sc, "SCHANNEL_STORE_VERSION");
- if (vers.dptr == NULL) {
- /* First opener, no version. */
- SIVAL(&ver,0,1);
- vers.dptr = (uint8 *)&ver;
- vers.dsize = 4;
- tdb_store_bystring(tdb_sc, "SCHANNEL_STORE_VERSION", vers, TDB_REPLACE);
- vers.dptr = NULL;
- } else if (vers.dsize == 4) {
- ver = IVAL(vers.dptr,0);
- if (ver != 1) {
- tdb_close(tdb_sc);
- tdb_sc = NULL;
- DEBUG(0,("open_schannel_session_store: wrong version number %d in %s\n",
- (int)ver, fname ));
- }
- } else {
- tdb_close(tdb_sc);
- tdb_sc = NULL;
- DEBUG(0,("open_schannel_session_store: wrong version number size %d in %s\n",
- (int)vers.dsize, fname ));
- }
-
- SAFE_FREE(vers.dptr);
- TALLOC_FREE(fname);
-
- return tdb_sc;
-}
-
-/******************************************************************************
- Store the schannel state after an AUTH2 call.
- Note we must be root here.
-*******************************************************************************/
-
-bool secrets_store_schannel_session_info(TALLOC_CTX *mem_ctx,
- const char *remote_machine,
- const struct dcinfo *pdc)
-{
- TDB_CONTEXT *tdb_sc = NULL;
- TDB_DATA value;
- bool ret;
- char *keystr = talloc_asprintf(mem_ctx, "%s/%s", SECRETS_SCHANNEL_STATE,
- remote_machine);
- if (!keystr) {
- return False;
- }
-
- strupper_m(keystr);
-
- /* Work out how large the record is. */
- value.dsize = tdb_pack(NULL, 0, "dBBBBBfff",
- pdc->sequence,
- 8, pdc->seed_chal.data,
- 8, pdc->clnt_chal.data,
- 8, pdc->srv_chal.data,
- 16, pdc->sess_key,
- 16, pdc->mach_pw,
- pdc->mach_acct,
- pdc->remote_machine,
- pdc->domain);
-
- value.dptr = TALLOC_ARRAY(mem_ctx, uint8, value.dsize);
- if (!value.dptr) {
- TALLOC_FREE(keystr);
- return False;
- }
-
- value.dsize = tdb_pack(value.dptr, value.dsize, "dBBBBBfff",
- pdc->sequence,
- 8, pdc->seed_chal.data,
- 8, pdc->clnt_chal.data,
- 8, pdc->srv_chal.data,
- 16, pdc->sess_key,
- 16, pdc->mach_pw,
- pdc->mach_acct,
- pdc->remote_machine,
- pdc->domain);
-
- tdb_sc = open_schannel_session_store(mem_ctx);
- if (!tdb_sc) {
- TALLOC_FREE(keystr);
- TALLOC_FREE(value.dptr);
- return False;
- }
-
- ret = (tdb_store_bystring(tdb_sc, keystr, value, TDB_REPLACE) == 0 ? True : False);
-
- DEBUG(3,("secrets_store_schannel_session_info: stored schannel info with key %s\n",
- keystr ));
-
- tdb_close(tdb_sc);
- TALLOC_FREE(keystr);
- TALLOC_FREE(value.dptr);
- return ret;
-}
-
-/******************************************************************************
- Restore the schannel state on a client reconnect.
- Note we must be root here.
-*******************************************************************************/
-
-bool secrets_restore_schannel_session_info(TALLOC_CTX *mem_ctx,
- const char *remote_machine,
- struct dcinfo **ppdc)
-{
- TDB_CONTEXT *tdb_sc = NULL;
- TDB_DATA value;
- unsigned char *pseed_chal = NULL;
- unsigned char *pclnt_chal = NULL;
- unsigned char *psrv_chal = NULL;
- unsigned char *psess_key = NULL;
- unsigned char *pmach_pw = NULL;
- uint32 l1, l2, l3, l4, l5;
- int ret;
- struct dcinfo *pdc = NULL;
- char *keystr = talloc_asprintf(mem_ctx, "%s/%s", SECRETS_SCHANNEL_STATE,
- remote_machine);
-
- *ppdc = NULL;
-
- if (!keystr) {
- return False;
- }
-
- strupper_m(keystr);
-
- tdb_sc = open_schannel_session_store(mem_ctx);
- if (!tdb_sc) {
- TALLOC_FREE(keystr);
- return False;
- }
-
- value = tdb_fetch_bystring(tdb_sc, keystr);
- if (!value.dptr) {
- DEBUG(0,("secrets_restore_schannel_session_info: Failed to find entry with key %s\n",
- keystr ));
- tdb_close(tdb_sc);
- return False;
- }
-
- pdc = TALLOC_ZERO_P(mem_ctx, struct dcinfo);
-
- /* Retrieve the record. */
- ret = tdb_unpack(value.dptr, value.dsize, "dBBBBBfff",
- &pdc->sequence,
- &l1, &pseed_chal,
- &l2, &pclnt_chal,
- &l3, &psrv_chal,
- &l4, &psess_key,
- &l5, &pmach_pw,
- &pdc->mach_acct,
- &pdc->remote_machine,
- &pdc->domain);
-
- if (ret == -1 || l1 != 8 || l2 != 8 || l3 != 8 || l4 != 16 || l5 != 16) {
- /* Bad record - delete it. */
- tdb_delete_bystring(tdb_sc, keystr);
- tdb_close(tdb_sc);
- TALLOC_FREE(keystr);
- TALLOC_FREE(pdc);
- SAFE_FREE(pseed_chal);
- SAFE_FREE(pclnt_chal);
- SAFE_FREE(psrv_chal);
- SAFE_FREE(psess_key);
- SAFE_FREE(pmach_pw);
- SAFE_FREE(value.dptr);
- return False;
- }
-
- tdb_close(tdb_sc);
-
- memcpy(pdc->seed_chal.data, pseed_chal, 8);
- memcpy(pdc->clnt_chal.data, pclnt_chal, 8);
- memcpy(pdc->srv_chal.data, psrv_chal, 8);
- memcpy(pdc->sess_key, psess_key, 16);
- memcpy(pdc->mach_pw, pmach_pw, 16);
-
- /* We know these are true so didn't bother to store them. */
- pdc->challenge_sent = True;
- pdc->authenticated = True;
-
- DEBUG(3,("secrets_restore_schannel_session_info: restored schannel info key %s\n",
- keystr ));
-
- SAFE_FREE(pseed_chal);
- SAFE_FREE(pclnt_chal);
- SAFE_FREE(psrv_chal);
- SAFE_FREE(psess_key);
- SAFE_FREE(pmach_pw);
-
- TALLOC_FREE(keystr);
- SAFE_FREE(value.dptr);
-
- *ppdc = pdc;
-
- return True;
-}
-
bool secrets_store_generic(const char *owner, const char *key, const char *secret)
{
char *tdbkey = NULL;
char *tdbkey = NULL;
if (( ! owner) || ( ! key)) {
- DEBUG(1, ("Invalid Paramters"));
+ DEBUG(1, ("Invalid Parameters"));
return NULL;
}
git.samba.org / ira / wip.git / blobdiff