s3-secrets: only include secrets.h when needed.
[nivanova/samba-autobuild/.git] / source3 / winbindd / winbindd_util.c
index 54bb5a24b7ab50fd6f37531489002b9c7d478f20..bd1e1b5bee9e621a951fa66c909e1c42bb7a7ad6 100644 (file)
@@ -1,33 +1,33 @@
-/* 
+/*
    Unix SMB/CIFS implementation.
 
    Winbind daemon for ntdom nss module
 
    Copyright (C) Tim Potter 2000-2001
    Copyright (C) 2001 by Martin Pool <mbp@samba.org>
-   
+
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
-   
+
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-   
+
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "includes.h"
 #include "winbindd.h"
+#include "secrets.h"
 
 #undef DBGC_CLASS
 #define DBGC_CLASS DBGC_WINBIND
 
 extern struct winbindd_methods cache_methods;
-extern struct winbindd_methods passdb_methods;
 
 /**
  * @file winbindd_util.c
@@ -41,15 +41,7 @@ extern struct winbindd_methods passdb_methods;
    individual winbindd_domain structures cannot be made.  Keep a copy of
    the domain name instead. */
 
-static struct winbindd_domain *_domain_list;
-
-/**
-   When was the last scan of trusted domains done?
-   
-   0 == not ever
-*/
-
-static time_t last_trustdom_scan;
+static struct winbindd_domain *_domain_list = NULL;
 
 struct winbindd_domain *domain_list(void)
 {
@@ -64,38 +56,32 @@ struct winbindd_domain *domain_list(void)
 
 /* Free all entries in the trusted domain list */
 
-void free_domain_list(void)
+static void free_domain_list(void)
 {
        struct winbindd_domain *domain = _domain_list;
 
        while(domain) {
                struct winbindd_domain *next = domain->next;
-               
+
                DLIST_REMOVE(_domain_list, domain);
                SAFE_FREE(domain);
                domain = next;
        }
 }
 
-static bool is_internal_domain(const DOM_SID *sid)
+static bool is_internal_domain(const struct dom_sid *sid)
 {
        if (sid == NULL)
                return False;
 
-       if ( IS_DC )
-               return sid_check_is_builtin(sid);
-
        return (sid_check_is_domain(sid) || sid_check_is_builtin(sid));
 }
 
-static bool is_in_internal_domain(const DOM_SID *sid)
+static bool is_in_internal_domain(const struct dom_sid *sid)
 {
        if (sid == NULL)
                return False;
 
-       if ( IS_DC )
-               return sid_check_is_in_builtin(sid);
-
        return (sid_check_is_in_our_domain(sid) || sid_check_is_in_builtin(sid));
 }
 
@@ -103,75 +89,81 @@ static bool is_in_internal_domain(const DOM_SID *sid)
 /* Add a trusted domain to our list of domains */
 static struct winbindd_domain *add_trusted_domain(const char *domain_name, const char *alt_name,
                                                  struct winbindd_methods *methods,
-                                                 const DOM_SID *sid)
+                                                 const struct dom_sid *sid)
 {
        struct winbindd_domain *domain;
        const char *alternative_name = NULL;
-       
+       char *idmap_config_option;
+       const char *param;
+       const char **ignored_domains, **dom;
+
+       ignored_domains = lp_parm_string_list(-1, "winbind", "ignore domains", NULL);
+       for (dom=ignored_domains; dom && *dom; dom++) {
+               if (gen_fnmatch(*dom, domain_name) == 0) {
+                       DEBUG(2,("Ignoring domain '%s'\n", domain_name));
+                       return NULL;
+               }
+       }
+
        /* ignore alt_name if we are not in an AD domain */
-       
+
        if ( (lp_security() == SEC_ADS) && alt_name && *alt_name) {
                alternative_name = alt_name;
        }
-        
+
        /* We can't call domain_list() as this function is called from
           init_domain_list() and we'll get stuck in a loop. */
        for (domain = _domain_list; domain; domain = domain->next) {
                if (strequal(domain_name, domain->name) ||
-                   strequal(domain_name, domain->alt_name)) 
+                   strequal(domain_name, domain->alt_name))
                {
-                       break;                  
+                       break;
                }
 
-               if (alternative_name && *alternative_name) 
+               if (alternative_name && *alternative_name)
                {
                        if (strequal(alternative_name, domain->name) ||
-                           strequal(alternative_name, domain->alt_name)) 
+                           strequal(alternative_name, domain->alt_name))
                        {
-                               break;                          
+                               break;
                        }
                }
 
-               if (sid) 
+               if (sid)
                {
                        if (is_null_sid(sid)) {
-                               continue;                               
+                               continue;
                        }
-                               
+
                        if (sid_equal(sid, &domain->sid)) {
-                               break;                          
+                               break;
                        }
                }
        }
-        
-       /* See if we found a match.  Check if we need to update the
-          SID. */
 
-       if ( domain && sid) {
-               if ( sid_equal( &domain->sid, &global_sid_NULL ) )
+       if (domain != NULL) {
+               /*
+                * We found a match. Possibly update the SID
+                */
+               if ((sid != NULL)
+                   && sid_equal(&domain->sid, &global_sid_NULL)) {
                        sid_copy( &domain->sid, sid );
+               }
+               return domain;
+       }
 
-               return domain;          
-       }       
-        
        /* Create new domain entry */
 
        if ((domain = SMB_MALLOC_P(struct winbindd_domain)) == NULL)
                return NULL;
 
        /* Fill in fields */
-        
+
        ZERO_STRUCTP(domain);
 
-       /* prioritise the short name */
-       if (strchr_m(domain_name, '.') && alternative_name && *alternative_name) {
-               fstrcpy(domain->name, alternative_name);
-               fstrcpy(domain->alt_name, domain_name);
-       } else {
-               fstrcpy(domain->name, domain_name);
-               if (alternative_name) {
-                       fstrcpy(domain->alt_name, alternative_name);
-               }
+       fstrcpy(domain->name, domain_name);
+       if (alternative_name) {
+               fstrcpy(domain->alt_name, alternative_name);
        }
 
        domain->methods = methods;
@@ -182,87 +174,112 @@ static struct winbindd_domain *add_trusted_domain(const char *domain_name, const
        domain->initialized = False;
        domain->online = is_internal_domain(sid);
        domain->check_online_timeout = 0;
+       domain->dc_probe_pid = (pid_t)-1;
        if (sid) {
                sid_copy(&domain->sid, sid);
        }
-       
+
        /* Link to domain list */
        DLIST_ADD_END(_domain_list, domain, struct winbindd_domain *);
-        
+
        wcache_tdc_add_domain( domain );
-        
-       DEBUG(2,("Added domain %s %s %s\n", 
+
+       idmap_config_option = talloc_asprintf(talloc_tos(), "idmap config %s",
+                                             domain->name);
+       if (idmap_config_option == NULL) {
+               DEBUG(0, ("talloc failed, not looking for idmap config\n"));
+               goto done;
+       }
+
+       param = lp_parm_const_string(-1, idmap_config_option, "range", NULL);
+
+       DEBUG(10, ("%s : range = %s\n", idmap_config_option,
+                  param ? param : "not defined"));
+
+       if (param != NULL) {
+               unsigned low_id, high_id;
+               if (sscanf(param, "%u - %u", &low_id, &high_id) != 2) {
+                       DEBUG(1, ("invalid range syntax in %s: %s\n",
+                                 idmap_config_option, param));
+                       goto done;
+               }
+               if (low_id > high_id) {
+                       DEBUG(1, ("invalid range in %s: %s\n",
+                                 idmap_config_option, param));
+                       goto done;
+               }
+               domain->have_idmap_config = true;
+               domain->id_range_low = low_id;
+               domain->id_range_high = high_id;
+       }
+
+done:
+
+       DEBUG(2,("Added domain %s %s %s\n",
                 domain->name, domain->alt_name,
-                &domain->sid?sid_string_static(&domain->sid):""));
-        
+                &domain->sid?sid_string_dbg(&domain->sid):""));
+
        return domain;
 }
 
+bool domain_is_forest_root(const struct winbindd_domain *domain)
+{
+       const uint32_t fr_flags =
+               (NETR_TRUST_FLAG_TREEROOT|NETR_TRUST_FLAG_IN_FOREST);
+
+       return ((domain->domain_flags & fr_flags) == fr_flags);
+}
+
 /********************************************************************
   rescan our domains looking for new trusted domains
 ********************************************************************/
 
 struct trustdom_state {
-       TALLOC_CTX *mem_ctx;
-       bool primary;   
-       bool forest_root;       
-       struct winbindd_response *response;
+       struct winbindd_domain *domain;
+       struct winbindd_request request;
 };
 
-static void trustdom_recv(void *private_data, bool success);
+static void trustdom_list_done(struct tevent_req *req);
 static void rescan_forest_root_trusts( void );
 static void rescan_forest_trusts( void );
 
 static void add_trusted_domains( struct winbindd_domain *domain )
 {
-       TALLOC_CTX *mem_ctx;
-       struct winbindd_request *request;
-       struct winbindd_response *response;
-       uint32 fr_flags = (DS_DOMAIN_TREE_ROOT|DS_DOMAIN_IN_FOREST);    
-
        struct trustdom_state *state;
+       struct tevent_req *req;
 
-       mem_ctx = talloc_init("add_trusted_domains");
-       if (mem_ctx == NULL) {
-               DEBUG(0, ("talloc_init failed\n"));
+       state = TALLOC_ZERO_P(NULL, struct trustdom_state);
+       if (state == NULL) {
+               DEBUG(0, ("talloc failed\n"));
                return;
        }
+       state->domain = domain;
 
-       request = TALLOC_ZERO_P(mem_ctx, struct winbindd_request);
-       response = TALLOC_P(mem_ctx, struct winbindd_response);
-       state = TALLOC_P(mem_ctx, struct trustdom_state);
+       state->request.length = sizeof(state->request);
+       state->request.cmd = WINBINDD_LIST_TRUSTDOM;
 
-       if ((request == NULL) || (response == NULL) || (state == NULL)) {
-               DEBUG(0, ("talloc failed\n"));
-               talloc_destroy(mem_ctx);
+       req = wb_domain_request_send(state, winbind_event_context(),
+                                    domain, &state->request);
+       if (req == NULL) {
+               DEBUG(1, ("wb_domain_request_send failed\n"));
+               TALLOC_FREE(state);
                return;
        }
-
-       state->mem_ctx = mem_ctx;
-       state->response = response;
-
-       /* Flags used to know how to continue the forest trust search */
-
-       state->primary = domain->primary;
-       state->forest_root = ((domain->domain_flags & fr_flags) == fr_flags );
-
-       request->length = sizeof(*request);
-       request->cmd = WINBINDD_LIST_TRUSTDOM;
-
-       async_domain_request(mem_ctx, domain, request, response,
-                            trustdom_recv, state);
+       tevent_req_set_callback(req, trustdom_list_done, state);
 }
 
-static void trustdom_recv(void *private_data, bool success)
+static void trustdom_list_done(struct tevent_req *req)
 {
-       struct trustdom_state *state =
-               talloc_get_type_abort(private_data, struct trustdom_state);
-       struct winbindd_response *response = state->response;
+       struct trustdom_state *state = tevent_req_callback_data(
+               req, struct trustdom_state);
+       struct winbindd_response *response;
+       int res, err;
        char *p;
 
-       if ((!success) || (response->result != WINBINDD_OK)) {
+       res = wb_domain_request_recv(req, state, &response, &err);
+       if ((res == -1) || (response->result != WINBINDD_OK)) {
                DEBUG(1, ("Could not receive trustdoms\n"));
-               talloc_destroy(state->mem_ctx);
+               TALLOC_FREE(state);
                return;
        }
 
@@ -270,7 +287,7 @@ static void trustdom_recv(void *private_data, bool success)
 
        while ((p != NULL) && (*p != '\0')) {
                char *q, *sidstr, *alt_name;
-               DOM_SID sid;
+               struct dom_sid sid;
                struct winbindd_domain *domain;
                char *alternate_name = NULL;
 
@@ -297,13 +314,8 @@ static void trustdom_recv(void *private_data, bool success)
                        *q = '\0';
 
                if (!string_to_sid(&sid, sidstr)) {
-                       /* Allow NULL sid for sibling domains */
-                       if ( strcmp(sidstr,"S-0-0") == 0) {
-                               sid_copy( &sid, &global_sid_NULL);                              
-                       } else {                                
-                               DEBUG(0, ("Got invalid trustdom response\n"));
-                               break;
-                       }                       
+                       DEBUG(0, ("Got invalid trustdom response\n"));
+                       break;
                }
 
                /* use the real alt_name if we have one, else pass in NULL */
@@ -325,7 +337,7 @@ static void trustdom_recv(void *private_data, bool success)
                                                    &cache_methods,
                                                    &sid);
                        if (domain) {
-                               setup_domain_child(domain, &domain->child, NULL);
+                               setup_domain_child(domain);
                        }
                }
                p=q;
@@ -333,9 +345,7 @@ static void trustdom_recv(void *private_data, bool success)
                        p += 1;
        }
 
-       SAFE_FREE(response->extra_data.data);
-
-       /* 
+       /*
           Cases to consider when scanning trusts:
           (a) we are calling from a child domain (primary && !forest_root)
           (b) we are calling from the root of the forest (primary && forest_root)
@@ -343,24 +353,24 @@ static void trustdom_recv(void *private_data, bool success)
               && !forest_root)
        */
 
-       if ( state->primary ) {
-               /* If this is our primary domain and we are not the in the
+       if (state->domain->primary) {
+               /* If this is our primary domain and we are not in the
                   forest root, we have to scan the root trusts first */
 
-               if ( !state->forest_root )
+               if (!domain_is_forest_root(state->domain))
                        rescan_forest_root_trusts();
                else
                        rescan_forest_trusts();
 
-       } else if ( state->forest_root ) {
+       } else if (domain_is_forest_root(state->domain)) {
                /* Once we have done root forest trust search, we can
-                  go on to search thing trusted forests */
+                  go on to search the trusted forests */
 
                rescan_forest_trusts();
        }
-       
-       talloc_destroy(state->mem_ctx);
-       
+
+       TALLOC_FREE(state);
+
        return;
 }
 
@@ -372,7 +382,7 @@ static void rescan_forest_root_trusts( void )
 {
        struct winbindd_tdc_domain *dom_list = NULL;
         size_t num_trusts = 0;
-       int i;  
+       int i;
 
        /* The only transitive trusts supported by Windows 2003 AD are
           (a) Parent-Child, (b) Tree-Root, and (c) Forest.   The
@@ -386,14 +396,14 @@ static void rescan_forest_root_trusts( void )
        for ( i=0; i<num_trusts; i++ ) {
                struct winbindd_domain *d = NULL;
 
-               /* Find the forest root.  Don't necessarily trust 
-                  the domain_list() as our primary domain may not 
+               /* Find the forest root.  Don't necessarily trust
+                  the domain_list() as our primary domain may not
                   have been initialized. */
 
-               if ( !(dom_list[i].trust_flags & DS_DOMAIN_TREE_ROOT) ) {
-                       continue;                       
+               if ( !(dom_list[i].trust_flags & NETR_TRUST_FLAG_TREEROOT) ) {
+                       continue;
                }
-       
+
                /* Here's the forest root */
 
                d = find_domain_from_name_noinit( dom_list[i].domain_name );
@@ -403,6 +413,13 @@ static void rescan_forest_root_trusts( void )
                                                dom_list[i].dns_name,
                                                &cache_methods,
                                                &dom_list[i].sid );
+                       if (d != NULL) {
+                               setup_domain_child(d);
+                       }
+               }
+
+               if (d == NULL) {
+                       continue;
                }
 
                        DEBUG(10,("rescan_forest_root_trusts: Following trust path "
@@ -410,12 +427,12 @@ static void rescan_forest_root_trusts( void )
                          d->name, d->alt_name ));
 
                d->domain_flags = dom_list[i].trust_flags;
-               d->domain_type  = dom_list[i].trust_type;               
-               d->domain_trust_attribs = dom_list[i].trust_attribs;            
-               
+               d->domain_type  = dom_list[i].trust_type;
+               d->domain_trust_attribs = dom_list[i].trust_attribs;
+
                add_trusted_domains( d );
 
-               break;          
+               break;
        }
 
        TALLOC_FREE( dom_list );
@@ -424,7 +441,7 @@ static void rescan_forest_root_trusts( void )
 }
 
 /********************************************************************
- scan the transitive forest trists (not our own)
+ scan the transitive forest trusts (not our own)
 ********************************************************************/
 
 
@@ -433,7 +450,7 @@ static void rescan_forest_trusts( void )
        struct winbindd_domain *d = NULL;
        struct winbindd_tdc_domain *dom_list = NULL;
         size_t num_trusts = 0;
-       int i;  
+       int i;
 
        /* The only transitive trusts supported by Windows 2003 AD are
           (a) Parent-Child, (b) Tree-Root, and (c) Forest.   The
@@ -448,17 +465,17 @@ static void rescan_forest_trusts( void )
                uint32 flags   = dom_list[i].trust_flags;
                uint32 type    = dom_list[i].trust_type;
                uint32 attribs = dom_list[i].trust_attribs;
-               
+
                d = find_domain_from_name_noinit( dom_list[i].domain_name );
 
                /* ignore our primary and internal domains */
 
                if ( d && (d->internal || d->primary ) )
-                       continue;               
-               
-               if ( (flags & DS_DOMAIN_DIRECT_INBOUND) &&
-                    (type == DS_DOMAIN_TRUST_TYPE_UPLEVEL) &&
-                    (attribs == DS_DOMAIN_TRUST_ATTRIB_FOREST_TRANSITIVE) )
+                       continue;
+
+               if ( (flags & NETR_TRUST_FLAG_INBOUND) &&
+                    (type == NETR_TRUST_TYPE_UPLEVEL) &&
+                    (attribs == NETR_TRUST_ATTRIBUTE_FOREST_TRANSITIVE) )
                {
                        /* add the trusted domain if we don't know
                           about it */
@@ -468,8 +485,15 @@ static void rescan_forest_trusts( void )
                                                        dom_list[i].dns_name,
                                                        &cache_methods,
                                                        &dom_list[i].sid );
+                               if (d != NULL) {
+                                       setup_domain_child(d);
+                               }
                        }
-                       
+
+                       if (d == NULL) {
+                               continue;
+                       }
+
                        DEBUG(10,("Following trust path for domain %s (%s)\n",
                                  d->name, d->alt_name ));
                        add_trusted_domains( d );
@@ -478,7 +502,7 @@ static void rescan_forest_trusts( void )
 
        TALLOC_FREE( dom_list );
 
-       return; 
+       return;
 }
 
 /*********************************************************************
@@ -489,171 +513,53 @@ static void rescan_forest_trusts( void )
  (c) ask the a DC in any Win2003 trusted forests
 *********************************************************************/
 
-void rescan_trusted_domains( void )
+void rescan_trusted_domains(struct tevent_context *ev, struct tevent_timer *te,
+                           struct timeval now, void *private_data)
 {
-       time_t now = time(NULL);
-       
-       /* see if the time has come... */
-       
-       if ((now >= last_trustdom_scan) &&
-           ((now-last_trustdom_scan) < WINBINDD_RESCAN_FREQ) )
-               return;
-               
-       /* clear the TRUSTDOM cache first */
+       TALLOC_FREE(te);
 
-       wcache_tdc_clear();
+       /* I use to clear the cache here and start over but that
+          caused problems in child processes that needed the
+          trust dom list early on.  Removing it means we
+          could have some trusted domains listed that have been
+          removed from our primary domain's DC until a full
+          restart.  This should be ok since I think this is what
+          Windows does as well. */
 
        /* this will only add new domains we didn't already know about
           in the domain_list()*/
-       
-       add_trusted_domains( find_our_domain() );
-
-       last_trustdom_scan = now;
-       
-       return; 
-}
-
-struct init_child_state {
-       TALLOC_CTX *mem_ctx;
-       struct winbindd_domain *domain;
-       struct winbindd_request *request;
-       struct winbindd_response *response;
-       void (*continuation)(void *private_data, bool success);
-       void *private_data;
-};
-
-static void init_child_recv(void *private_data, bool success);
-static void init_child_getdc_recv(void *private_data, bool success);
-
-enum winbindd_result init_child_connection(struct winbindd_domain *domain,
-                                          void (*continuation)(void *private_data,
-                                                               bool success),
-                                          void *private_data)
-{
-       TALLOC_CTX *mem_ctx;
-       struct winbindd_request *request;
-       struct winbindd_response *response;
-       struct init_child_state *state;
-       struct winbindd_domain *request_domain;
-
-       mem_ctx = talloc_init("init_child_connection");
-       if (mem_ctx == NULL) {
-               DEBUG(0, ("talloc_init failed\n"));
-               return WINBINDD_ERROR;
-       }
-
-       request = TALLOC_ZERO_P(mem_ctx, struct winbindd_request);
-       response = TALLOC_P(mem_ctx, struct winbindd_response);
-       state = TALLOC_P(mem_ctx, struct init_child_state);
-
-       if ((request == NULL) || (response == NULL) || (state == NULL)) {
-               DEBUG(0, ("talloc failed\n"));
-               TALLOC_FREE(mem_ctx);
-               continuation(private_data, False);
-               return WINBINDD_ERROR;
-       }
-
-       request->length = sizeof(*request);
-
-       state->mem_ctx = mem_ctx;
-       state->domain = domain;
-       state->request = request;
-       state->response = response;
-       state->continuation = continuation;
-       state->private_data = private_data;
-
-       if (IS_DC || domain->primary || domain->internal ) {
-               /* The primary domain has to find the DC name itself */
-               request->cmd = WINBINDD_INIT_CONNECTION;
-               fstrcpy(request->domain_name, domain->name);
-               request->data.init_conn.is_primary = domain->internal ? False : True;
-               fstrcpy(request->data.init_conn.dcname, "");
-               async_request(mem_ctx, &domain->child, request, response,
-                             init_child_recv, state);
-               return WINBINDD_PENDING;
-       }
-
-       /* This is *not* the primary domain, let's ask our DC about a DC
-        * name */
-
-       request->cmd = WINBINDD_GETDCNAME;
-       fstrcpy(request->domain_name, domain->name);
-
-       request_domain = find_our_domain();
-       async_domain_request(mem_ctx, request_domain, request, response,
-                            init_child_getdc_recv, state);
-       return WINBINDD_PENDING;
-}
-
-static void init_child_getdc_recv(void *private_data, bool success)
-{
-       struct init_child_state *state =
-               talloc_get_type_abort(private_data, struct init_child_state);
-       const char *dcname = "";
-
-       DEBUG(10, ("Received getdcname response\n"));
-
-       if (success && (state->response->result == WINBINDD_OK)) {
-               dcname = state->response->data.dc_name;
-       }
-
-       state->request->cmd = WINBINDD_INIT_CONNECTION;
-       fstrcpy(state->request->domain_name, state->domain->name);
-       state->request->data.init_conn.is_primary = False;
-       fstrcpy(state->request->data.init_conn.dcname, dcname);
-
-       async_request(state->mem_ctx, &state->domain->child,
-                     state->request, state->response,
-                     init_child_recv, state);
-}
 
-static void init_child_recv(void *private_data, bool success)
-{
-       struct init_child_state *state =
-               talloc_get_type_abort(private_data, struct init_child_state);
-
-       DEBUG(5, ("Received child initialization response for domain %s\n",
-                 state->domain->name));
-
-       if ((!success) || (state->response->result != WINBINDD_OK)) {
-               DEBUG(3, ("Could not init child\n"));
-               state->continuation(state->private_data, False);
-               talloc_destroy(state->mem_ctx);
-               return;
-       }
-
-       fstrcpy(state->domain->name,
-               state->response->data.domain_info.name);
-       fstrcpy(state->domain->alt_name,
-               state->response->data.domain_info.alt_name);
-       string_to_sid(&state->domain->sid,
-                     state->response->data.domain_info.sid);
-       state->domain->native_mode =
-               state->response->data.domain_info.native_mode;
-       state->domain->active_directory =
-               state->response->data.domain_info.active_directory;
+       add_trusted_domains( find_our_domain() );
 
-       init_dc_connection(state->domain);
+       te = tevent_add_timer(
+               ev, NULL, timeval_current_ofs(WINBINDD_RESCAN_FREQ, 0),
+               rescan_trusted_domains, NULL);
+       /*
+        * If te == NULL, there's not much we can do here. Don't fail, the
+        * only thing we miss is new trusted domains.
+        */
 
-       if (state->continuation != NULL)
-               state->continuation(state->private_data, True);
-       talloc_destroy(state->mem_ctx);
+       return;
 }
 
 enum winbindd_result winbindd_dual_init_connection(struct winbindd_domain *domain,
                                                   struct winbindd_cli_state *state)
 {
        /* Ensure null termination */
-       state->request.domain_name
-               [sizeof(state->request.domain_name)-1]='\0';
-       state->request.data.init_conn.dcname
-               [sizeof(state->request.data.init_conn.dcname)-1]='\0';
+       state->request->domain_name
+               [sizeof(state->request->domain_name)-1]='\0';
+       state->request->data.init_conn.dcname
+               [sizeof(state->request->data.init_conn.dcname)-1]='\0';
 
-       if (strlen(state->request.data.init_conn.dcname) > 0) {
-               fstrcpy(domain->dcname, state->request.data.init_conn.dcname);
+       if (strlen(state->request->data.init_conn.dcname) > 0) {
+               fstrcpy(domain->dcname, state->request->data.init_conn.dcname);
        }
 
-       init_dc_connection(domain);
+       if (domain->internal) {
+               domain->initialized = true;
+       } else {
+               init_dc_connection(domain);
+       }
 
        if (!domain->initialized) {
                /* If we return error here we can't do any cached authentication,
@@ -665,16 +571,15 @@ enum winbindd_result winbindd_dual_init_connection(struct winbindd_domain *domai
                        "online = %d\n", domain->name, (int)domain->online ));
        }
 
-       fstrcpy(state->response.data.domain_info.name, domain->name);
-       fstrcpy(state->response.data.domain_info.alt_name, domain->alt_name);
-       fstrcpy(state->response.data.domain_info.sid,
-               sid_string_static(&domain->sid));
-       
-       state->response.data.domain_info.native_mode
+       fstrcpy(state->response->data.domain_info.name, domain->name);
+       fstrcpy(state->response->data.domain_info.alt_name, domain->alt_name);
+       sid_to_fstring(state->response->data.domain_info.sid, &domain->sid);
+
+       state->response->data.domain_info.native_mode
                = domain->native_mode;
-       state->response.data.domain_info.active_directory
+       state->response->data.domain_info.active_directory
                = domain->active_directory;
-       state->response.data.domain_info.primary
+       state->response->data.domain_info.primary
                = domain->primary;
 
        return WINBINDD_OK;
@@ -691,39 +596,39 @@ bool init_domain_list(void)
 
        /* BUILTIN domain */
 
-       domain = add_trusted_domain("BUILTIN", NULL, &passdb_methods,
+       domain = add_trusted_domain("BUILTIN", NULL, &cache_methods,
                                    &global_sid_Builtin);
        if (domain) {
-               setup_domain_child(domain, &domain->child, NULL);
+               setup_domain_child(domain);
        }
 
        /* Local SAM */
 
        domain = add_trusted_domain(get_global_sam_name(), NULL,
-                                   &passdb_methods, get_global_sam_sid());
+                                   &cache_methods, get_global_sam_sid());
        if (domain) {
                if ( role != ROLE_DOMAIN_MEMBER ) {
                        domain->primary = True;
                }
-               setup_domain_child(domain, &domain->child, NULL);
+               setup_domain_child(domain);
        }
 
        /* Add ourselves as the first entry. */
 
        if ( role == ROLE_DOMAIN_MEMBER ) {
-               DOM_SID our_sid;
+               struct dom_sid our_sid;
 
                if (!secrets_fetch_domain_sid(lp_workgroup(), &our_sid)) {
                        DEBUG(0, ("Could not fetch our SID - did we join?\n"));
                        return False;
                }
-       
+
                domain = add_trusted_domain( lp_workgroup(), lp_realm(),
                                             &cache_methods, &our_sid);
                if (domain) {
                        domain->primary = True;
-                       setup_domain_child(domain, &domain->child, NULL);
-               
+                       setup_domain_child(domain);
+
                        /* Even in the parent winbindd we'll need to
                           talk to the DC, so try and see if we can
                           contact it. Theoretically this isn't neccessary
@@ -737,46 +642,51 @@ bool init_domain_list(void)
        return True;
 }
 
-void check_domain_trusted( const char *name, const DOM_SID *user_sid )
+void check_domain_trusted( const char *name, const struct dom_sid *user_sid )
 {
-       struct winbindd_domain *domain; 
-       DOM_SID dom_sid;
+       struct winbindd_domain *domain;
+       struct dom_sid dom_sid;
        uint32 rid;
-       
+
+       /* Check if we even care */
+
+       if (!lp_allow_trusted_domains())
+               return;
+
        domain = find_domain_from_name_noinit( name );
        if ( domain )
-               return; 
-       
-       sid_copy( &dom_sid, user_sid );         
+               return;
+
+       sid_copy( &dom_sid, user_sid );
        if ( !sid_split_rid( &dom_sid, &rid ) )
                return;
-       
+
        /* add the newly discovered trusted domain */
 
-       domain = add_trusted_domain( name, NULL, &cache_methods, 
+       domain = add_trusted_domain( name, NULL, &cache_methods,
                                     &dom_sid);
 
        if ( !domain )
                return;
 
-       /* assume this is a trust from a one-way transitive 
+       /* assume this is a trust from a one-way transitive
           forest trust */
 
        domain->active_directory = True;
-       domain->domain_flags = DS_DOMAIN_DIRECT_OUTBOUND;
-       domain->domain_type  = DS_DOMAIN_TRUST_TYPE_UPLEVEL;
+       domain->domain_flags = NETR_TRUST_FLAG_OUTBOUND;
+       domain->domain_type  = NETR_TRUST_TYPE_UPLEVEL;
        domain->internal = False;
-       domain->online = True;  
+       domain->online = True;
 
-       setup_domain_child(domain, &domain->child, NULL);
+       setup_domain_child(domain);
 
        wcache_tdc_add_domain( domain );
 
-       return; 
+       return;
 }
 
-/** 
- * Given a domain name, return the struct winbindd domain info for it 
+/**
+ * Given a domain name, return the struct winbindd domain info for it
  *
  * @note Do *not* pass lp_workgroup() to this function.  domain_list
  *       may modify it's value, and free that pointer.  Instead, our local
@@ -823,7 +733,7 @@ struct winbindd_domain *find_domain_from_name(const char *domain_name)
 
 /* Given a domain sid, return the struct winbindd domain info for it */
 
-struct winbindd_domain *find_domain_from_sid_noinit(const DOM_SID *sid)
+struct winbindd_domain *find_domain_from_sid_noinit(const struct dom_sid *sid)
 {
        struct winbindd_domain *domain;
 
@@ -841,7 +751,7 @@ struct winbindd_domain *find_domain_from_sid_noinit(const DOM_SID *sid)
 
 /* Given a domain sid, return the struct winbindd domain info for it */
 
-struct winbindd_domain *find_domain_from_sid(const DOM_SID *sid)
+struct winbindd_domain *find_domain_from_sid(const struct dom_sid *sid)
 {
        struct winbindd_domain *domain;
 
@@ -873,25 +783,20 @@ struct winbindd_domain *find_our_domain(void)
 
 struct winbindd_domain *find_root_domain(void)
 {
-       struct winbindd_domain *ours = find_our_domain();       
-       
-       if ( !ours )
-               return NULL;
-       
-       if ( strlen(ours->forest_name) == 0 )
+       struct winbindd_domain *ours = find_our_domain();
+
+       if (ours->forest_name[0] == '\0') {
                return NULL;
-       
+       }
+
        return find_domain_from_name( ours->forest_name );
 }
 
 struct winbindd_domain *find_builtin_domain(void)
 {
-       DOM_SID sid;
        struct winbindd_domain *domain;
 
-       string_to_sid(&sid, "S-1-5-32");
-       domain = find_domain_from_sid(&sid);
-
+       domain = find_domain_from_sid(&global_sid_Builtin);
        if (domain == NULL) {
                smb_panic("Could not find BUILTIN domain");
        }
@@ -901,11 +806,11 @@ struct winbindd_domain *find_builtin_domain(void)
 
 /* Find the appropriate domain to lookup a name or SID */
 
-struct winbindd_domain *find_lookup_domain_from_sid(const DOM_SID *sid)
+struct winbindd_domain *find_lookup_domain_from_sid(const struct dom_sid *sid)
 {
        /* SIDs in the S-1-22-{1,2} domain should be handled by our passdb */
 
-       if ( sid_check_is_in_unix_groups(sid) || 
+       if ( sid_check_is_in_unix_groups(sid) ||
             sid_check_is_unix_groups(sid) ||
             sid_check_is_in_unix_users(sid) ||
             sid_check_is_unix_users(sid) )
@@ -917,13 +822,12 @@ struct winbindd_domain *find_lookup_domain_from_sid(const DOM_SID *sid)
         * one to contact the external DC's. On member servers the internal
         * domains are different: These are part of the local SAM. */
 
-       DEBUG(10, ("find_lookup_domain_from_sid(%s)\n",
-                  sid_string_static(sid)));
+       DEBUG(10, ("find_lookup_domain_from_sid(%s)\n", sid_string_dbg(sid)));
 
        if (IS_DC || is_internal_domain(sid) || is_in_internal_domain(sid)) {
                DEBUG(10, ("calling find_domain_from_sid\n"));
                return find_domain_from_sid(sid);
-       }       
+       }
 
        /* On a member server a query for SID or name can always go to our
         * primary DC. */
@@ -937,6 +841,10 @@ struct winbindd_domain *find_lookup_domain_from_name(const char *domain_name)
        if ( strequal(domain_name, unix_users_domain_name() ) ||
             strequal(domain_name, unix_groups_domain_name() ) )
        {
+               /*
+                * The "Unix User" and "Unix Group" domain our handled by
+                * passdb
+                */
                return find_domain_from_name_noinit( get_global_sam_name() );
        }
 
@@ -944,96 +852,10 @@ struct winbindd_domain *find_lookup_domain_from_name(const char *domain_name)
            strequal(domain_name, get_global_sam_name()))
                return find_domain_from_name_noinit(domain_name);
 
-       /* The "Unix User" and "Unix Group" domain our handled by passdb */
 
        return find_our_domain();
 }
 
-/* Lookup a sid in a domain from a name */
-
-bool winbindd_lookup_sid_by_name(TALLOC_CTX *mem_ctx,
-                                enum winbindd_cmd orig_cmd,
-                                struct winbindd_domain *domain, 
-                                const char *domain_name,
-                                const char *name, DOM_SID *sid, 
-                                enum lsa_SidType *type)
-{
-       NTSTATUS result;
-
-       /* Lookup name */
-       result = domain->methods->name_to_sid(domain, mem_ctx, orig_cmd,
-                                             domain_name, name, sid, type);
-
-       /* Return sid and type if lookup successful */
-       if (!NT_STATUS_IS_OK(result)) {
-               *type = SID_NAME_UNKNOWN;
-       }
-
-       return NT_STATUS_IS_OK(result);
-}
-
-/**
- * @brief Lookup a name in a domain from a sid.
- *
- * @param sid Security ID you want to look up.
- * @param name On success, set to the name corresponding to @p sid.
- * @param dom_name On success, set to the 'domain name' corresponding to @p sid.
- * @param type On success, contains the type of name: alias, group or
- * user.
- * @retval True if the name exists, in which case @p name and @p type
- * are set, otherwise False.
- **/
-bool winbindd_lookup_name_by_sid(TALLOC_CTX *mem_ctx,
-                                struct winbindd_domain *domain,
-                                DOM_SID *sid,
-                                char **dom_name,
-                                char **name,
-                                enum lsa_SidType *type)
-{
-       NTSTATUS result;
-
-       *dom_name = NULL;
-       *name = NULL;
-
-       /* Lookup name */
-
-       result = domain->methods->sid_to_name(domain, mem_ctx, sid, dom_name, name, type);
-
-       /* Return name and type if successful */
-        
-       if (NT_STATUS_IS_OK(result)) {
-               return True;
-       }
-
-       *type = SID_NAME_UNKNOWN;
-        
-       return False;
-}
-
-/* Free state information held for {set,get,end}{pw,gr}ent() functions */
-
-void free_getent_state(struct getent_state *state)
-{
-       struct getent_state *temp;
-
-       /* Iterate over state list */
-
-       temp = state;
-
-       while(temp != NULL) {
-               struct getent_state *next;
-
-               /* Free sam entries then list entry */
-
-               SAFE_FREE(state->sam_entries);
-               DLIST_REMOVE(state, state);
-               next = temp->next;
-
-               SAFE_FREE(temp);
-               temp = next;
-       }
-}
-
 /* Is this a domain which we may assume no DOMAIN\ prefix? */
 
 static bool assume_domain(const char *domain)
@@ -1051,14 +873,14 @@ static bool assume_domain(const char *domain)
 
                if ( lp_winbind_use_default_domain() || lp_winbind_trusted_domains_only() )
                        return True;
-       } 
+       }
 
        /* only left with a domain controller */
 
        if ( strequal(get_global_sam_name(), domain) )  {
                return True;
        }
-       
+
        return False;
 }
 
@@ -1074,7 +896,8 @@ bool parse_domain_user(const char *domuser, fstring domain, fstring user)
                if ( assume_domain(lp_workgroup())) {
                        fstrcpy(domain, lp_workgroup());
                } else if ((p = strchr(domuser, '@')) != NULL) {
-                       fstrcpy(domain, "");                    
+                       fstrcpy(domain, p + 1);
+                       user[PTR_DIFF(p, domuser)] = 0;
                } else {
                        return False;
                }
@@ -1083,9 +906,9 @@ bool parse_domain_user(const char *domuser, fstring domain, fstring user)
                fstrcpy(domain, domuser);
                domain[PTR_DIFF(p, domuser)] = 0;
        }
-       
+
        strupper_m(domain);
-       
+
        return True;
 }
 
@@ -1101,6 +924,31 @@ bool parse_domain_user_talloc(TALLOC_CTX *mem_ctx, const char *domuser,
        return ((*domain != NULL) && (*user != NULL));
 }
 
+/* add a domain user name to a buffer */
+void parse_add_domuser(void *buf, char *domuser, int *len)
+{
+       fstring domain;
+       char *p, *user;
+
+       user = domuser;
+       p = strchr(domuser, *lp_winbind_separator());
+
+       if (p) {
+
+               fstrcpy(domain, domuser);
+               domain[PTR_DIFF(p, domuser)] = 0;
+               p++;
+
+               if (assume_domain(domain)) {
+
+                       user = p;
+                       *len -= (PTR_DIFF(p, domuser));
+               }
+       }
+
+       safe_strcpy((char *)buf, user, *len);
+}
+
 /* Ensure an incoming username from NSS is fully qualified. Replace the
    incoming fstring with DOMAIN <separator> user. Returns the same
    values as parse_domain_user() but also replaces the incoming username.
@@ -1130,7 +978,7 @@ bool canonicalize_username(fstring username_inout, fstring domain, fstring user)
 
     If we are a PDC or BDC, and this is for our domain, do likewise.
 
-    Also, if omit DOMAIN if 'winbind trusted domains only = true', as the 
+    Also, if omit DOMAIN if 'winbind trusted domains only = true', as the
     username is then unqualified in unix
 
     We always canonicalize as UPPERCASE DOMAIN, lowercase username.
@@ -1151,65 +999,31 @@ void fill_domain_username(fstring name, const char *domain, const char *user, bo
        }
 }
 
-/*
- * Winbindd socket accessor functions
+/**
+ * talloc version of fill_domain_username()
+ * return NULL on talloc failure.
  */
-
-const char *get_winbind_pipe_dir(void) 
+char *fill_domain_username_talloc(TALLOC_CTX *mem_ctx,
+                                 const char *domain,
+                                 const char *user,
+                                 bool can_assume)
 {
-       return lp_parm_const_string(-1, "winbindd", "socket dir", WINBINDD_SOCKET_DIR);
-}
-
-char *get_winbind_priv_pipe_dir(void) 
-{
-       return lock_path(WINBINDD_PRIV_SOCKET_SUBDIR);
-}
-
-/* Open the winbindd socket */
-
-static int _winbindd_socket = -1;
-static int _winbindd_priv_socket = -1;
+       char *tmp_user, *name;
 
-int open_winbindd_socket(void)
-{
-       if (_winbindd_socket == -1) {
-               _winbindd_socket = create_pipe_sock(
-                       get_winbind_pipe_dir(), WINBINDD_SOCKET_NAME, 0755);
-               DEBUG(10, ("open_winbindd_socket: opened socket fd %d\n",
-                          _winbindd_socket));
-       }
-
-       return _winbindd_socket;
-}
+       tmp_user = talloc_strdup(mem_ctx, user);
+       strlower_m(tmp_user);
 
-int open_winbindd_priv_socket(void)
-{
-       if (_winbindd_priv_socket == -1) {
-               _winbindd_priv_socket = create_pipe_sock(
-                       get_winbind_priv_pipe_dir(), WINBINDD_SOCKET_NAME, 0750);
-               DEBUG(10, ("open_winbindd_priv_socket: opened socket fd %d\n",
-                          _winbindd_priv_socket));
+       if (can_assume && assume_domain(domain)) {
+               name = tmp_user;
+       } else {
+               name = talloc_asprintf(mem_ctx, "%s%c%s",
+                                      domain,
+                                      *lp_winbind_separator(),
+                                      tmp_user);
+               TALLOC_FREE(tmp_user);
        }
 
-       return _winbindd_priv_socket;
-}
-
-/* Close the winbindd socket */
-
-void close_winbindd_socket(void)
-{
-       if (_winbindd_socket != -1) {
-               DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
-                          _winbindd_socket));
-               close(_winbindd_socket);
-               _winbindd_socket = -1;
-       }
-       if (_winbindd_priv_socket != -1) {
-               DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
-                          _winbindd_priv_socket));
-               close(_winbindd_priv_socket);
-               _winbindd_priv_socket = -1;
-       }
+       return name;
 }
 
 /*
@@ -1242,23 +1056,6 @@ void winbindd_remove_client(struct winbindd_cli_state *cli)
        _num_clients--;
 }
 
-/* Close all open clients */
-
-void winbindd_kill_all_clients(void)
-{
-       struct winbindd_cli_state *cl = winbindd_client_list();
-
-       DEBUG(10, ("winbindd_kill_all_clients: going postal\n"));
-
-       while (cl) {
-               struct winbindd_cli_state *next;
-               
-               next = cl->next;
-               winbindd_remove_client(cl);
-               cl = next;
-       }
-}
-
 /* Return number of open clients */
 
 int winbindd_num_clients(void)
@@ -1268,19 +1065,16 @@ int winbindd_num_clients(void)
 
 NTSTATUS lookup_usergroups_cached(struct winbindd_domain *domain,
                                  TALLOC_CTX *mem_ctx,
-                                 const DOM_SID *user_sid,
-                                 uint32 *p_num_groups, DOM_SID **user_sids)
+                                 const struct dom_sid *user_sid,
+                                 uint32 *p_num_groups, struct dom_sid **user_sids)
 {
-       NET_USER_INFO_3 *info3 = NULL;
+       struct netr_SamInfo3 *info3 = NULL;
        NTSTATUS status = NT_STATUS_NO_MEMORY;
-       int i;
        size_t num_groups = 0;
-       DOM_SID group_sid, primary_group;
-       
+
        DEBUG(3,(": lookup_usergroups_cached\n"));
-       
+
        *user_sids = NULL;
-       num_groups = 0;
        *p_num_groups = 0;
 
        info3 = netsamlogon_cache_get(mem_ctx, user_sid);
@@ -1289,51 +1083,27 @@ NTSTATUS lookup_usergroups_cached(struct winbindd_domain *domain,
                return NT_STATUS_OBJECT_NAME_NOT_FOUND;
        }
 
-       if (info3->num_groups == 0) {
+       if (info3->base.groups.count == 0) {
                TALLOC_FREE(info3);
                return NT_STATUS_UNSUCCESSFUL;
        }
-       
-       /* always add the primary group to the sid array */
-       sid_compose(&primary_group, &info3->dom_sid.sid, info3->user_rid);
-       
-       if (!add_sid_to_array(mem_ctx, &primary_group, user_sids, &num_groups)) {
-               TALLOC_FREE(info3);
-               return NT_STATUS_NO_MEMORY;
-       }
 
-       for (i=0; i<info3->num_groups; i++) {
-               sid_copy(&group_sid, &info3->dom_sid.sid);
-               sid_append_rid(&group_sid, info3->gids[i].g_rid);
+       /* Skip Domain local groups outside our domain.
+          We'll get these from the getsidaliases() RPC call. */
+       status = sid_array_from_info3(mem_ctx, info3,
+                                     user_sids,
+                                     &num_groups,
+                                     false, true);
 
-               if (!add_sid_to_array(mem_ctx, &group_sid, user_sids,
-                                &num_groups)) {
-                       TALLOC_FREE(info3);
-                       return NT_STATUS_NO_MEMORY;
-               }
-       }
-
-       /* Add any Universal groups in the other_sids list */
-
-       for (i=0; i<info3->num_other_sids; i++) {
-               /* Skip Domain local groups outside our domain.
-                  We'll get these from the getsidaliases() RPC call. */
-               if (info3->other_sids_attrib[i] & SE_GROUP_RESOURCE)
-                       continue;
-
-               if (!add_sid_to_array(mem_ctx, &info3->other_sids[i].sid,
-                                     user_sids, &num_groups))
-               {
-                       TALLOC_FREE(info3);
-                       return NT_STATUS_NO_MEMORY;                     
-               }
+       if (!NT_STATUS_IS_OK(status)) {
+               TALLOC_FREE(info3);
+               return status;
        }
-       
 
        TALLOC_FREE(info3);
        *p_num_groups = num_groups;
        status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
-       
+
        DEBUG(3,(": lookup_usergroups_cached succeeded\n"));
 
        return status;
@@ -1343,64 +1113,162 @@ NTSTATUS lookup_usergroups_cached(struct winbindd_domain *domain,
  We use this to remove spaces from user and group names
 ********************************************************************/
 
-void ws_name_replace( char *name, char replace )
+NTSTATUS normalize_name_map(TALLOC_CTX *mem_ctx,
+                            struct winbindd_domain *domain,
+                            const char *name,
+                            char **normalized)
 {
-       char replace_char[2] = { 0x0, 0x0 };
-    
-       if ( !lp_winbind_normalize_names() || (replace == '\0') ) 
-               return;
+       NTSTATUS nt_status;
+
+       if (!name || !normalized) {
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       if (!lp_winbind_normalize_names()) {
+               return NT_STATUS_PROCEDURE_NOT_FOUND;
+       }
+
+       /* Alias support and whitespace replacement are mutually
+          exclusive */
+
+       nt_status = resolve_username_to_alias(mem_ctx, domain,
+                                             name, normalized );
+       if (NT_STATUS_IS_OK(nt_status)) {
+               /* special return code to let the caller know we
+                  mapped to an alias */
+               return NT_STATUS_FILE_RENAMED;
+       }
 
-       replace_char[0] = replace;      
-       all_string_sub( name, " ", replace_char, 0 );
+       /* check for an unreachable domain */
 
-       return; 
+       if (NT_STATUS_EQUAL(nt_status, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND)) {
+               DEBUG(5,("normalize_name_map: Setting domain %s offline\n",
+                        domain->name));
+               set_domain_offline(domain);
+               return nt_status;
+       }
+
+       /* deal with whitespace */
+
+       *normalized = talloc_strdup(mem_ctx, name);
+       if (!(*normalized)) {
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       all_string_sub( *normalized, " ", "_", 0 );
+
+       return NT_STATUS_OK;
 }
 
 /*********************************************************************
- We use this to do the inverse of ws_name_replace()
+ We use this to do the inverse of normalize_name_map()
 ********************************************************************/
 
-void ws_name_return( char *name, char replace )
+NTSTATUS normalize_name_unmap(TALLOC_CTX *mem_ctx,
+                             char *name,
+                             char **normalized)
 {
-       char replace_char[2] = { 0x0, 0x0 };
-    
-       if ( !lp_winbind_normalize_names() || (replace == '\0') ) 
-               return;
-       
-       replace_char[0] = replace;      
-       all_string_sub( name, replace_char, " ", 0 );
+       NTSTATUS nt_status;
+       struct winbindd_domain *domain = find_our_domain();
 
-       return; 
+       if (!name || !normalized) {
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       if (!lp_winbind_normalize_names()) {
+               return NT_STATUS_PROCEDURE_NOT_FOUND;
+       }
+
+       /* Alias support and whitespace replacement are mutally
+          exclusive */
+
+       /* When mapping from an alias to a username, we don't know the
+          domain.  But we only need a domain structure to cache
+          a successful lookup , so just our own domain structure for
+          the seqnum. */
+
+       nt_status = resolve_alias_to_username(mem_ctx, domain,
+                                             name, normalized);
+       if (NT_STATUS_IS_OK(nt_status)) {
+               /* Special return code to let the caller know we mapped
+                  from an alias */
+               return NT_STATUS_FILE_RENAMED;
+       }
+
+       /* check for an unreachable domain */
+
+       if (NT_STATUS_EQUAL(nt_status, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND)) {
+               DEBUG(5,("normalize_name_unmap: Setting domain %s offline\n",
+                        domain->name));
+               set_domain_offline(domain);
+               return nt_status;
+       }
+
+       /* deal with whitespace */
+
+       *normalized = talloc_strdup(mem_ctx, name);
+       if (!(*normalized)) {
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       all_string_sub(*normalized, "_", " ", 0);
+
+       return NT_STATUS_OK;
 }
 
 /*********************************************************************
  ********************************************************************/
 
-bool winbindd_can_contact_domain( struct winbindd_domain *domain )
+bool winbindd_can_contact_domain(struct winbindd_domain *domain)
 {
+       struct winbindd_tdc_domain *tdc = NULL;
+       TALLOC_CTX *frame = talloc_stackframe();
+       bool ret = false;
+
        /* We can contact the domain if it is our primary domain */
 
-       if ( domain->primary )
-               return True;
+       if (domain->primary) {
+               return true;
+       }
+
+       /* Trust the TDC cache and not the winbindd_domain flags */
+
+       if ((tdc = wcache_tdc_fetch_domain(frame, domain->name)) == NULL) {
+               DEBUG(10,("winbindd_can_contact_domain: %s not found in cache\n",
+                         domain->name));
+               return false;
+       }
 
        /* Can always contact a domain that is in out forest */
 
-       if ( domain->domain_flags & DS_DOMAIN_IN_FOREST )
-               return True;    
+       if (tdc->trust_flags & NETR_TRUST_FLAG_IN_FOREST) {
+               ret = true;
+               goto done;
+       }
 
-       /* We cannot contact the domain if it is running AD and
-          we have no inbound trust */
+       /*
+        * On a _member_ server, we cannot contact the domain if it
+        * is running AD and we have no inbound trust.
+        */
 
-       if ( domain->active_directory && 
-            ((domain->domain_flags&DS_DOMAIN_DIRECT_INBOUND) != DS_DOMAIN_DIRECT_INBOUND) ) 
+       if (!IS_DC &&
+            domain->active_directory &&
+           ((tdc->trust_flags & NETR_TRUST_FLAG_INBOUND) != NETR_TRUST_FLAG_INBOUND))
        {
-               return False;
+               DEBUG(10, ("winbindd_can_contact_domain: %s is an AD domain "
+                          "and we have no inbound trust.\n", domain->name));
+               goto done;
        }
-       
+
        /* Assume everything else is ok (probably not true but what
           can you do?) */
-       
-       return True;    
+
+       ret = true;
+
+done:
+       talloc_destroy(frame);
+
+       return ret;
 }
 
 /*********************************************************************
@@ -1423,6 +1291,7 @@ bool winbindd_internal_child(struct winbindd_child *child)
 static void winbindd_set_locator_kdc_env(const struct winbindd_domain *domain)
 {
        char *var = NULL;
+       char addr[INET6_ADDRSTRLEN];
        const char *kdc = NULL;
        int lvl = 11;
 
@@ -1436,8 +1305,9 @@ static void winbindd_set_locator_kdc_env(const struct winbindd_domain *domain)
                return;
        }
 
-       kdc = inet_ntoa(domain->dcaddr.sin_addr);
-       if (!kdc) {
+       print_sockaddr(addr, sizeof(addr), &domain->dcaddr);
+       kdc = addr;
+       if (!*kdc) {
                DEBUG(lvl,("winbindd_set_locator_kdc_env: %s no DC IP\n",
                        domain->alt_name));
                kdc = domain->dcname;
@@ -1449,8 +1319,8 @@ static void winbindd_set_locator_kdc_env(const struct winbindd_domain *domain)
                return;
        }
 
-       if (asprintf(&var, "%s_%s", WINBINDD_LOCATOR_KDC_ADDRESS,
-                    strupper_static(domain->alt_name)) == -1) {
+       if (asprintf_strupper_m(&var, "%s_%s", WINBINDD_LOCATOR_KDC_ADDRESS,
+                               domain->alt_name) == -1) {
                return;
        }
 
@@ -1486,8 +1356,8 @@ void winbindd_unset_locator_kdc_env(const struct winbindd_domain *domain)
                return;
        }
 
-       if (asprintf(&var, "%s_%s", WINBINDD_LOCATOR_KDC_ADDRESS,
-                    strupper_static(domain->alt_name)) == -1) {
+       if (asprintf_strupper_m(&var, "%s_%s", WINBINDD_LOCATOR_KDC_ADDRESS,
+                               domain->alt_name) == -1) {
                return;
        }
 
@@ -1507,3 +1377,26 @@ void winbindd_unset_locator_kdc_env(const struct winbindd_domain *domain)
 }
 
 #endif /* HAVE_KRB5_LOCATE_PLUGIN_H */
+
+void set_auth_errors(struct winbindd_response *resp, NTSTATUS result)
+{
+       resp->data.auth.nt_status = NT_STATUS_V(result);
+       fstrcpy(resp->data.auth.nt_status_string, nt_errstr(result));
+
+       /* we might have given a more useful error above */
+       if (*resp->data.auth.error_string == '\0')
+               fstrcpy(resp->data.auth.error_string,
+                       get_friendly_nt_error_msg(result));
+       resp->data.auth.pam_error = nt_status_to_pam(result);
+}
+
+bool is_domain_offline(const struct winbindd_domain *domain)
+{
+       if (!lp_winbind_offline_logon()) {
+               return false;
+       }
+       if (get_global_winbindd_state_offline()) {
+               return true;
+       }
+       return !domain->online;
+}