Let get_trust_pw() determine the machine_account_name to use.
[tprouty/samba.git] / source / passdb / secrets.c
index 29437c35a872ba98dcf7f0518c836f8893a084d4..44d164e7b333499d7fe49b36cb028eda105d6a7c 100644 (file)
@@ -104,8 +104,9 @@ BOOL secrets_store(const char *key, const void *data, size_t size)
        secrets_init();
        if (!tdb)
                return False;
-       return tdb_store(tdb, string_tdb_data(key), make_tdb_data(data, size),
-                        TDB_REPLACE) == 0;
+       return tdb_trans_store(tdb, string_tdb_data(key),
+                              make_tdb_data((const char *)data, size),
+                              TDB_REPLACE) == 0;
 }
 
 
@@ -138,7 +139,7 @@ BOOL secrets_fetch_domain_sid(const char *domain, DOM_SID *sid)
 {
        DOM_SID *dyn_sid;
        fstring key;
-       size_t size;
+       size_t size = 0;
 
        slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_DOMAIN_SID, domain);
        strupper_m(key);
@@ -147,8 +148,7 @@ BOOL secrets_fetch_domain_sid(const char *domain, DOM_SID *sid)
        if (dyn_sid == NULL)
                return False;
 
-       if (size != sizeof(DOM_SID))
-       { 
+       if (size != sizeof(DOM_SID)) { 
                SAFE_FREE(dyn_sid);
                return False;
        }
@@ -158,37 +158,39 @@ BOOL secrets_fetch_domain_sid(const char *domain, DOM_SID *sid)
        return True;
 }
 
-BOOL secrets_store_domain_guid(const char *domain, struct uuid *guid)
+BOOL secrets_store_domain_guid(const char *domain, struct GUID *guid)
 {
        fstring key;
 
        slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_DOMAIN_GUID, domain);
        strupper_m(key);
-       return secrets_store(key, guid, sizeof(struct uuid));
+       return secrets_store(key, guid, sizeof(struct GUID));
 }
 
-BOOL secrets_fetch_domain_guid(const char *domain, struct uuid *guid)
+BOOL secrets_fetch_domain_guid(const char *domain, struct GUID *guid)
 {
-       struct uuid *dyn_guid;
+       struct GUID *dyn_guid;
        fstring key;
-       size_t size;
-       struct uuid new_guid;
+       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 uuid *)secrets_fetch(key, &size);
-
-       if ((!dyn_guid) && (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 uuid *)secrets_fetch(key, &size);
-               if (dyn_guid == NULL)
+       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;
+               }
        }
 
-       if (size != sizeof(struct uuid))
-       { 
+       if (size != sizeof(struct GUID)) { 
                DEBUG(1,("UUID size %d is wrong!\n", (int)size));
                SAFE_FREE(dyn_guid);
                return False;
@@ -206,7 +208,7 @@ BOOL secrets_fetch_domain_guid(const char *domain, struct uuid *guid)
  *
  * @return stored password's key
  **/
-const char *trust_keystr(const char *domain)
+static const char *trust_keystr(const char *domain)
 {
        static fstring keystr;
 
@@ -244,7 +246,7 @@ BOOL secrets_lock_trust_account_password(const char *domain, BOOL dolock)
                return False;
 
        if (dolock)
-               return (tdb_lock_bystring(tdb, trust_keystr(domain),0) == 0);
+               return (tdb_lock_bystring(tdb, trust_keystr(domain)) == 0);
        else
                tdb_unlock_bystring(tdb, trust_keystr(domain));
        return True;
@@ -276,7 +278,7 @@ BOOL secrets_fetch_trust_account_password(const char *domain, uint8 ret_pwd[16],
 {
        struct machine_acct_pass *pass;
        char *plaintext;
-       size_t size;
+       size_t size = 0;
 
        plaintext = secrets_fetch_machine_password(domain, pass_last_set_time, 
                                                   channel);
@@ -287,7 +289,8 @@ BOOL secrets_fetch_trust_account_password(const char *domain, uint8 ret_pwd[16],
                return True;
        }
 
-       if (!(pass = secrets_fetch(trust_keystr(domain), &size))) {
+       if (!(pass = (struct machine_acct_pass *)secrets_fetch(
+                     trust_keystr(domain), &size))) {
                DEBUG(5, ("secrets_fetch failed!\n"));
                return False;
        }
@@ -301,7 +304,6 @@ BOOL secrets_fetch_trust_account_password(const char *domain, uint8 ret_pwd[16],
                *pass_last_set_time = pass->mod_time;
        }
        memcpy(ret_pwd, pass->hash, 16);
-       SAFE_FREE(pass);
 
        if (channel) {
                *channel = get_default_sec_channel();
@@ -310,14 +312,145 @@ BOOL secrets_fetch_trust_account_password(const char *domain, uint8 ret_pwd[16],
        /* 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 +
-                               lp_machine_password_timeout())) {
+                               (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(char* pack_buf, int bufsize, DOM_SID* sid)
+{
+       int idx;
+       size_t len = 0;
+       
+       if (!sid || !pack_buf) return -1;
+       
+       len += tdb_pack(pack_buf + len, bufsize - len, "bb", sid->sid_rev_num,
+                       sid->num_auths);
+       
+       for (idx = 0; idx < 6; idx++) {
+               len += tdb_pack(pack_buf + len, bufsize - len, "b",
+                               sid->id_auth[idx]);
+       }
+       
+       for (idx = 0; idx < MAXSUBAUTHS; idx++) {
+               len += tdb_pack(pack_buf + len, bufsize - len, "d",
+                               sid->sub_auths[idx]);
+       }
+       
+       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(char* 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(char* pack_buf, int bufsize,
+                                       TRUSTED_DOM_PASS* pass)
+{
+       int idx, len = 0;
+       
+       if (!pack_buf || !pass) return -1;
+       
+       /* packing unicode domain name and password */
+       len += tdb_pack(pack_buf + len, bufsize - len, "d",
+                       pass->uni_name_len);
+       
+       for (idx = 0; idx < 32; idx++)
+               len +=  tdb_pack(pack_buf + len, bufsize - len, "w",
+                                pass->uni_name[idx]);
+       
+       len += tdb_pack(pack_buf + len, bufsize - len, "dPd", pass->pass_len,
+                            pass->pass, pass->mod_time);
+
+       /* packing SID structure */
+       len += tdb_sid_pack(pack_buf + len, bufsize - len, &pass->domain_sid);
+
+       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(char* 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
 ************************************************************************/
@@ -326,7 +459,7 @@ BOOL secrets_fetch_trusted_domain_password(const char *domain, char** pwd,
                                            DOM_SID *sid, time_t *pass_last_set_time)
 {
        struct trusted_dom_pass pass;
-       size_t size;
+       size_t size = 0;
        
        /* unpacking structures */
        char* pass_buf;
@@ -335,7 +468,8 @@ BOOL secrets_fetch_trusted_domain_password(const char *domain, char** pwd,
        ZERO_STRUCT(pass);
 
        /* fetching trusted domain password structure */
-       if (!(pass_buf = secrets_fetch(trustdom_keystr(domain), &size))) {
+       if (!(pass_buf = (char *)secrets_fetch(trustdom_keystr(domain),
+                                              &size))) {
                DEBUG(5, ("secrets_fetch failed!\n"));
                return False;
        }
@@ -361,25 +495,11 @@ BOOL secrets_fetch_trusted_domain_password(const char *domain, char** pwd,
        if (pass_last_set_time) *pass_last_set_time = pass.mod_time;
 
        /* domain sid */
-       sid_copy(sid, &pass.domain_sid);
+       if (sid != NULL) sid_copy(sid, &pass.domain_sid);
                
        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
  *
@@ -390,10 +510,11 @@ BOOL secrets_store_trust_account_password(const char *domain, uint8 new_pwd[16])
  * @return true if succeeded
  **/
 
-BOOL secrets_store_trusted_domain_password(const char* domain, smb_ucs2_t *uni_dom_name,
-                                           size_t uni_name_len, const char* pwd,
-                                           DOM_SID sid)
-{      
+BOOL secrets_store_trusted_domain_password(const char* domain, const char* pwd,
+                                           const DOM_SID *sid)
+{
+       smb_ucs2_t *uni_dom_name;
+
        /* packing structures */
        pstring pass_buf;
        int pass_len = 0;
@@ -401,13 +522,16 @@ BOOL secrets_store_trusted_domain_password(const char* domain, smb_ucs2_t *uni_d
        
        struct trusted_dom_pass pass;
        ZERO_STRUCT(pass);
-       
-       /* unicode domain name and its length */
-       if (!uni_dom_name)
+
+       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 = uni_name_len;
+       pass.uni_name_len = strlen_w(uni_dom_name)+1;
+       SAFE_FREE(uni_dom_name);
 
        /* last change time */
        pass.mod_time = time(NULL);
@@ -417,7 +541,7 @@ BOOL secrets_store_trusted_domain_password(const char* domain, smb_ucs2_t *uni_d
        fstrcpy(pass.pass, pwd);
 
        /* domain sid */
-       sid_copy(&pass.domain_sid, &sid);
+       sid_copy(&pass.domain_sid, sid);
        
        pass_len = tdb_trusted_dom_pass_pack(pass_buf, pass_buf_len, &pass);
 
@@ -489,7 +613,7 @@ char *secrets_fetch_machine_password(const char *domain,
                uint32 *last_set_time;
                asprintf(&key, "%s/%s", SECRETS_MACHINE_LAST_CHANGE_TIME, domain);
                strupper_m(key);
-               last_set_time = secrets_fetch(key, &size);
+               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);
@@ -504,7 +628,7 @@ char *secrets_fetch_machine_password(const char *domain,
                uint32 *channel_type;
                asprintf(&key, "%s/%s", SECRETS_MACHINE_SEC_CHANNEL_TYPE, domain);
                strupper_m(key);
-               channel_type = secrets_fetch(key, &size);
+               channel_type = (unsigned int *)secrets_fetch(key, &size);
                if (channel_type) {
                        *channel = IVAL(channel_type,0);
                        SAFE_FREE(channel_type);
@@ -518,18 +642,20 @@ char *secrets_fetch_machine_password(const char *domain,
 }
 
 /*******************************************************************
- Wrapper around retrieving the trust account password
+ Wrapper around retrieving the trust account password.
+ appropriate account name is stored in account_name.
 *******************************************************************/
-                                                                                                                     
-BOOL get_trust_pw(const char *domain, uint8 ret_pwd[16], uint32 *channel)
+
+BOOL get_trust_pw(const char *domain, uint8 ret_pwd[16],
+                 const char **account_name, uint32 *channel)
 {
        DOM_SID sid;
        char *pwd;
        time_t last_set_time;
-                                                                                                                     
+
        /* if we are a DC and this is not our domain, then lookup an account
                for the domain trust */
-                                                                                                                     
+
        if ( IS_DC && !strequal(domain, lp_workgroup()) && lp_allow_trusted_domains() ) {
                if (!secrets_fetch_trusted_domain_password(domain, &pwd, &sid,
                                                        &last_set_time)) {
@@ -538,35 +664,36 @@ BOOL get_trust_pw(const char *domain, uint8 ret_pwd[16], uint32 *channel)
                                domain));
                        return False;
                }
-                                                                                                                     
+
                *channel = SEC_CHAN_DOMAIN;
                E_md4hash(pwd, ret_pwd);
                SAFE_FREE(pwd);
 
+               if (account_name != NULL) {
+                       *account_name = lp_workgroup();
+               }
+
                return True;
        }
-                                                                                                                     
+
        /* Just get the account for the requested domain. In the future this
         * might also cover to be member of more than one domain. */
-                                                                                                                     
+
        if (secrets_fetch_trust_account_password(domain, ret_pwd,
                                                &last_set_time, channel))
+       {
+               if (account_name != NULL) {
+                       *account_name = global_myname();
+               }
+
                return True;
+       }
 
        DEBUG(5, ("get_trust_pw: could not fetch trust account "
                "password for domain %s\n", domain));
        return False;
 }
 
-/************************************************************************
- 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
 ************************************************************************/
@@ -599,7 +726,7 @@ BOOL secrets_store_ldap_pw(const char* dn, char* pw)
 BOOL fetch_ldap_pw(char **dn, char** pw)
 {
        char *key = NULL;
-       size_t size;
+       size_t size = 0;
        
        *dn = smb_xstrdup(lp_ldap_admin_dn());
        
@@ -608,7 +735,7 @@ BOOL fetch_ldap_pw(char **dn, char** pw)
                DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
        }
        
-       *pw=secrets_fetch(key, &size);
+       *pw=(char *)secrets_fetch(key, &size);
        SAFE_FREE(key);
 
        if (!size) {
@@ -626,7 +753,7 @@ BOOL fetch_ldap_pw(char **dn, char** pw)
                for (p=old_style_key; *p; p++)
                        if (*p == ',') *p = '/';
        
-               data=secrets_fetch(old_style_key, &size);
+               data=(char *)secrets_fetch(old_style_key, &size);
                if (!size && size < sizeof(old_style_pw)) {
                        DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
                        SAFE_FREE(old_style_key);
@@ -660,138 +787,119 @@ BOOL fetch_ldap_pw(char **dn, char** pw)
 
 /**
  * Get trusted domains info from secrets.tdb.
- *
- * The linked list is allocated on the supplied talloc context, caller gets to destroy
- * when done.
- *
- * @param ctx Allocation context
- * @param enum_ctx Starting index, eg. we can start fetching at third
- *        or sixth trusted domain entry. Zero is the first index.
- *        Value it is set to is the enum context for the next enumeration.
- * @param num_domains Number of domain entries to fetch at one call
- * @param domains Pointer to array of trusted domain structs to be filled up
- *
- * @return nt status code of rpc response
  **/ 
 
-NTSTATUS secrets_get_trusted_domains(TALLOC_CTX* ctx, int* enum_ctx, unsigned int max_num_domains,
-                                     int *num_domains, TRUSTDOM ***domains)
+NTSTATUS secrets_trusted_domains(TALLOC_CTX *mem_ctx, uint32 *num_domains,
+                                struct trustdom_info ***domains)
 {
        TDB_LIST_NODE *keys, *k;
-       TRUSTDOM *dom = NULL;
        char *pattern;
-       unsigned int start_idx;
-       uint32 idx = 0;
-       size_t size, packed_size = 0;
-       fstring dom_name;
-       char *packed_pass;
-       struct trusted_dom_pass *pass = TALLOC_ZERO_P(ctx, struct trusted_dom_pass);
-       NTSTATUS status;
+       TALLOC_CTX *tmp_ctx;
 
-       if (!secrets_init()) return NT_STATUS_ACCESS_DENIED;
-       
-       if (!pass) {
-               DEBUG(0, ("talloc_zero failed!\n"));
+       if (!(tmp_ctx = talloc_new(mem_ctx))) {
                return NT_STATUS_NO_MEMORY;
        }
-                               
-       *num_domains = 0;
-       start_idx = *enum_ctx;
 
+       if (!secrets_init()) return NT_STATUS_ACCESS_DENIED;
+       
        /* generate searching pattern */
-       if (!(pattern = talloc_asprintf(ctx, "%s/*", SECRETS_DOMTRUST_ACCT_PASS))) {
-               DEBUG(0, ("secrets_get_trusted_domains: talloc_asprintf() failed!\n"));
+       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;
        }
 
-       DEBUG(5, ("secrets_get_trusted_domains: looking for %d domains, starting at index %d\n", 
-                 max_num_domains, *enum_ctx));
+       *num_domains = 0;
+
+       /*
+        * Make sure that a talloc context for the trustdom_info structs
+        * exists
+        */
 
-       *domains = TALLOC_ZERO_ARRAY(ctx, TRUSTDOM *, max_num_domains);
+       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);
 
-       /* 
-        * if there's no keys returned ie. no trusted domain,
-        * return "no more entries" code
-        */
-       status = NT_STATUS_NO_MORE_ENTRIES;
-
        /* searching for keys in secrets db -- way to go ... */
        for (k = keys; k; k = k->next) {
+               char *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 = SMB_STRNDUP(k->node_key.dptr, k->node_key.dsize);
+               secrets_key = talloc_strndup(tmp_ctx,
+                                            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 = secrets_fetch(secrets_key, &size);
-               packed_size = tdb_trusted_dom_pass_unpack(packed_pass, size, pass);
+               packed_pass = (char *)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));
+                       DEBUG(2, ("Secrets record %s is invalid!\n",
+                                 secrets_key));
                        continue;
                }
-               
-               pull_ucs2_fstring(dom_name, pass->uni_name);
-               DEBUG(18, ("Fetched secret record num %d.\nDomain name: %s, SID: %s\n",
-                          idx, dom_name, sid_string_static(&pass->domain_sid)));
-
-               SAFE_FREE(secrets_key);
-
-               if (idx >= start_idx && idx < start_idx + max_num_domains) {
-                       dom = TALLOC_ZERO_P(ctx, TRUSTDOM);
-                       if (!dom) {
-                               /* free returned tdb record */
-                               return NT_STATUS_NO_MEMORY;
-                       }
-                       
-                       /* copy domain sid */
-                       SMB_ASSERT(sizeof(dom->sid) == sizeof(pass->domain_sid));
-                       memcpy(&(dom->sid), &(pass->domain_sid), sizeof(dom->sid));
-                       
-                       /* copy unicode domain name */
-                       dom->name = TALLOC_MEMDUP(ctx, pass->uni_name,
-                                                 (strlen_w(pass->uni_name) + 1) * sizeof(smb_ucs2_t));
-                       
-                       (*domains)[idx - start_idx] = dom;
-                       
-                       DEBUG(18, ("Secret record is in required range.\n \
-                                  start_idx = %d, max_num_domains = %d. Added to returned array.\n",
-                                  start_idx, max_num_domains));
 
-                       *enum_ctx = idx + 1;
-                       (*num_domains)++;
-               
-                       /* set proper status code to return */
-                       if (k->next) {
-                               /* there are yet some entries to enumerate */
-                               status = STATUS_MORE_ENTRIES;
-                       } else {
-                               /* this is the last entry in the whole enumeration */
-                               status = NT_STATUS_OK;
-                       }
-               } else {
-                       DEBUG(18, ("Secret is outside the required range.\n \
-                                  start_idx = %d, max_num_domains = %d. Not added to returned array\n",
-                                  start_idx, max_num_domains));
+               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;
                }
-               
-               idx++;          
        }
        
-       DEBUG(5, ("secrets_get_trusted_domains: got %d domains\n", *num_domains));
+       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 status;
+       return NT_STATUS_OK;
 }
 
 /*******************************************************************************
@@ -803,10 +911,10 @@ BOOL secrets_named_mutex(const char *name, unsigned int timeout)
 {
        int ret = 0;
 
-       if (!message_init())
+       if (!secrets_init())
                return False;
 
-       ret = tdb_lock_bystring(tdb, name, timeout);
+       ret = tdb_lock_bystring_with_timeout(tdb, name, timeout);
        if (ret == 0)
                DEBUG(10,("secrets_named_mutex: got mutex for %s\n", name ));
 
@@ -823,35 +931,6 @@ void secrets_named_mutex_release(const char *name)
        DEBUG(10,("secrets_named_mutex: released mutex for %s\n", name ));
 }
 
-/*********************************************************
- Check to see if we must talk to the PDC to avoid sam 
- sync delays
- ********************************************************/
-BOOL must_use_pdc( const char *domain )
-{
-       time_t  now = time(NULL);
-       time_t  last_change_time;
-       unsigned char   passwd[16];   
-       
-       if ( !secrets_fetch_trust_account_password(domain, passwd, &last_change_time, NULL) )
-               return False;
-               
-       /*
-        * If the time the machine password has changed
-        * was less than about 15 minutes then we need to contact
-        * the PDC only, as we cannot be sure domain replication
-        * has yet taken place. Bug found by Gerald (way to go
-        * Gerald !). JRA.
-        */
-        
-       if ( now - last_change_time < SAM_SYNC_WINDOW )
-               return True;
-               
-       return False;
-
-}
-
 /*******************************************************************************
  Store a complete AFS keyfile into secrets.tdb.
 *******************************************************************************/
@@ -877,7 +956,7 @@ BOOL secrets_fetch_afs_key(const char *cell, struct afs_key *result)
 {
        fstring key;
        struct afs_keyfile *keyfile;
-       size_t size;
+       size_t size = 0;
        uint32 i;
 
        slprintf(key, sizeof(key)-1, "%s/%s", SECRETS_AFS_KEYFILE, cell);
@@ -919,9 +998,9 @@ BOOL secrets_fetch_afs_key(const char *cell, struct afs_key *result)
 *******************************************************************************/
 void secrets_fetch_ipc_userpass(char **username, char **domain, char **password)
 {
-       *username = secrets_fetch(SECRETS_AUTH_USER, NULL);
-       *domain = secrets_fetch(SECRETS_AUTH_DOMAIN, NULL);
-       *password = secrets_fetch(SECRETS_AUTH_PASSWORD, NULL);
+       *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) {
 
@@ -942,3 +1021,265 @@ void secrets_fetch_ipc_userpass(char **username, char **domain, char **password)
        }
 }
 
+/******************************************************************************
+ 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 = (char *)&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 = (char *)TALLOC(mem_ctx, 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;
+       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;
+}
+
+/*******************************************************************
+ 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;
+}
+