idl: Merge NETR_TRUST and LSA_TRUST definitions into one set only in lsa.idl
[amitay/samba.git] / source3 / winbindd / winbindd_util.c
index 85b014d97ccc5965ca423b66a948205ce50f259e..0b7e234c3b8263bb0f4493cca156c01b4b1c18fa 100644 (file)
@@ -26,6 +26,7 @@
 #include "../libcli/security/security.h"
 #include "../libcli/auth/pam_errors.h"
 #include "passdb/machine_sid.h"
+#include "passdb.h"
 
 #undef DBGC_CLASS
 #define DBGC_CLASS DBGC_WINBIND
@@ -89,7 +90,10 @@ static bool is_in_internal_domain(const struct dom_sid *sid)
 }
 
 
-/* Add a trusted domain to our list of domains */
+/* Add a trusted domain to our list of domains.
+   If the domain already exists in the list,
+   return it and don't re-initialize.  */
+
 static struct winbindd_domain *add_trusted_domain(const char *domain_name, const char *alt_name,
                                                  struct winbindd_methods *methods,
                                                  const struct dom_sid *sid)
@@ -99,6 +103,7 @@ static struct winbindd_domain *add_trusted_domain(const char *domain_name, const
        char *idmap_config_option;
        const char *param;
        const char **ignored_domains, **dom;
+       int role = lp_server_role();
 
        ignored_domains = lp_parm_string_list(-1, "winbind", "ignore domains", NULL);
        for (dom=ignored_domains; dom && *dom; dom++) {
@@ -146,7 +151,10 @@ static struct winbindd_domain *add_trusted_domain(const char *domain_name, const
 
        if (domain != NULL) {
                /*
-                * We found a match. Possibly update the SID
+                * We found a match on domain->name or
+                * domain->alt_name. Possibly update the SID
+                * if the stored SID was the NULL SID
+                * and return the matching entry.
                 */
                if ((sid != NULL)
                    && dom_sid_equal(&domain->sid, &global_sid_NULL)) {
@@ -196,6 +204,15 @@ static struct winbindd_domain *add_trusted_domain(const char *domain_name, const
                sid_copy(&domain->sid, sid);
        }
 
+       /* Is this our primary domain ? */
+       if (strequal(domain_name, get_global_sam_name()) &&
+                       (role != ROLE_DOMAIN_MEMBER)) {
+               domain->primary = true;
+       } else if (strequal(domain_name, lp_workgroup()) &&
+                       (role == ROLE_DOMAIN_MEMBER)) {
+               domain->primary = true;
+       }
+
        /* Link to domain list */
        DLIST_ADD_END(_domain_list, domain, struct winbindd_domain *);
 
@@ -232,6 +249,8 @@ static struct winbindd_domain *add_trusted_domain(const char *domain_name, const
 
 done:
 
+       setup_domain_child(domain);
+
        DEBUG(2,("Added domain %s %s %s\n",
                 domain->name, domain->alt_name,
                 &domain->sid?sid_string_dbg(&domain->sid):""));
@@ -305,9 +324,7 @@ static void trustdom_list_done(struct tevent_req *req)
        while ((p != NULL) && (*p != '\0')) {
                char *q, *sidstr, *alt_name;
                struct dom_sid sid;
-               struct winbindd_domain *domain;
                char *alternate_name = NULL;
-               bool domain_exists;
 
                alt_name = strchr(p, '\\');
                if (alt_name == NULL) {
@@ -341,26 +358,16 @@ static void trustdom_list_done(struct tevent_req *req)
                if ( !strequal( alt_name, "(null)" ) )
                        alternate_name = alt_name;
 
-               /* Check if we already have a child for the domain */
-               domain_exists = (find_domain_from_name_noinit(p) != NULL);
-
                /*
                 * We always call add_trusted_domain() cause on an existing
                 * domain structure, it will update the SID if necessary.
                 * This is important because we need the SID for sibling
                 * domains.
                 */
-               domain = add_trusted_domain(p, alternate_name,
+               (void)add_trusted_domain(p, alternate_name,
                                            &cache_methods,
                                            &sid);
 
-               /*
-                * If the domain doesn't exist yet and got correctly added,
-                * setup a new domain child.
-                */
-               if (!domain_exists && domain != NULL) {
-                       setup_domain_child(domain);
-               }
                p=q;
                if (p != NULL)
                        p += 1;
@@ -434,9 +441,6 @@ 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) {
@@ -495,8 +499,8 @@ static void rescan_forest_trusts( void )
                        continue;
 
                if ( (flags & NETR_TRUST_FLAG_INBOUND) &&
-                    (type == NETR_TRUST_TYPE_UPLEVEL) &&
-                    (attribs == NETR_TRUST_ATTRIBUTE_FOREST_TRANSITIVE) )
+                    (type == LSA_TRUST_TYPE_UPLEVEL) &&
+                    (attribs == LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE) )
                {
                        /* add the trusted domain if we don't know
                           about it */
@@ -506,9 +510,6 @@ 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) {
@@ -576,11 +577,7 @@ enum winbindd_result winbindd_dual_init_connection(struct winbindd_domain *domai
                fstrcpy(domain->dcname, state->request->data.init_conn.dcname);
        }
 
-       if (domain->internal) {
-               domain->initialized = true;
-       } else {
-               init_dc_connection(domain);
-       }
+       init_dc_connection(domain, false);
 
        if (!domain->initialized) {
                /* If we return error here we can't do any cached authentication,
@@ -609,7 +606,6 @@ enum winbindd_result winbindd_dual_init_connection(struct winbindd_domain *domai
 /* Look up global info for the winbind daemon */
 bool init_domain_list(void)
 {
-       struct winbindd_domain *domain;
        int role = lp_server_role();
 
        /* Free existing list */
@@ -617,26 +613,48 @@ bool init_domain_list(void)
 
        /* BUILTIN domain */
 
-       domain = add_trusted_domain("BUILTIN", NULL, &cache_methods,
+       (void)add_trusted_domain("BUILTIN", NULL, &cache_methods,
                                    &global_sid_Builtin);
-       if (domain) {
-               setup_domain_child(domain);
-       }
 
        /* Local SAM */
 
-       domain = add_trusted_domain(get_global_sam_name(), NULL,
-                                   &cache_methods, get_global_sam_sid());
-       if (domain) {
-               if ( role != ROLE_DOMAIN_MEMBER ) {
-                       domain->primary = True;
+       if ( role == ROLE_ACTIVE_DIRECTORY_DC ) {
+               struct winbindd_domain *domain;
+               enum netr_SchannelType sec_chan_type;
+               const char *account_name;
+               struct samr_Password current_nt_hash;
+               bool ok;
+
+               domain = add_trusted_domain(get_global_sam_name(), lp_dnsdomain(),
+                                           &cache_methods, get_global_sam_sid());
+               if (domain == NULL) {
+                       DEBUG(0, ("Failed to add our own, local AD domain to winbindd's internal list\n"));
+                       return false;
+               }
+
+               /*
+                * We need to call this to find out if we are an RODC
+                */
+               ok = get_trust_pw_hash(domain->name,
+                                      current_nt_hash.hash,
+                                      &account_name,
+                                      &sec_chan_type);
+               if (!ok) {
+                       DEBUG(0, ("Failed to fetch our own, local AD domain join password for winbindd's internal use\n"));
+                       return false;
+               }
+               if (sec_chan_type == SEC_CHAN_RODC) {
+                       domain->rodc = true;
                }
-               setup_domain_child(domain);
-       }
 
+       } else {
+               (void)add_trusted_domain(get_global_sam_name(), NULL,
+                                        &cache_methods, get_global_sam_sid());
+       }
        /* Add ourselves as the first entry. */
 
        if ( role == ROLE_DOMAIN_MEMBER ) {
+               struct winbindd_domain *domain;
                struct dom_sid our_sid;
 
                if (!secrets_fetch_domain_sid(lp_workgroup(), &our_sid)) {
@@ -647,9 +665,6 @@ bool init_domain_list(void)
                domain = add_trusted_domain( lp_workgroup(), lp_realm(),
                                             &cache_methods, &our_sid);
                if (domain) {
-                       domain->primary = True;
-                       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
@@ -704,7 +719,7 @@ struct winbindd_domain *find_domain_from_name(const char *domain_name)
                return NULL;
 
        if (!domain->initialized)
-               init_dc_connection(domain);
+               init_dc_connection(domain, false);
 
        return domain;
 }
@@ -739,7 +754,7 @@ struct winbindd_domain *find_domain_from_sid(const struct dom_sid *sid)
                return NULL;
 
        if (!domain->initialized)
-               init_dc_connection(domain);
+               init_dc_connection(domain, false);
 
        return domain;
 }