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Diffstat (limited to 'source3/nsswitch/winbindd_util.c')
-rw-r--r--source3/nsswitch/winbindd_util.c80
1 files changed, 65 insertions, 15 deletions
diff --git a/source3/nsswitch/winbindd_util.c b/source3/nsswitch/winbindd_util.c
index 6d1675752f..318da4a63a 100644
--- a/source3/nsswitch/winbindd_util.c
+++ b/source3/nsswitch/winbindd_util.c
@@ -52,8 +52,9 @@ struct winbindd_domain *domain_list(void)
{
/* Initialise list */
- if (!_domain_list)
- init_domain_list();
+ if (!_domain_list)
+ if (!init_domain_list())
+ return NULL;
return _domain_list;
}
@@ -166,9 +167,7 @@ void rescan_trusted_domains( void )
if ( (now > last_scan) && ((now-last_scan) < WINBINDD_RESCAN_FREQ) )
return;
- /* get the handle for our domain */
-
- if ( (mydomain = find_domain_from_name(lp_workgroup())) == NULL ) {
+ if ( (mydomain = find_our_domain()) == NULL ) {
DEBUG(0,("rescan_trusted_domains: Can't find my own domain!\n"));
return;
}
@@ -266,10 +265,12 @@ BOOL init_domain_list(void)
/* Free existing list */
free_domain_list();
- /* Add ourselves as the first entry */
+ /* Add ourselves as the first entry. It *must* be the first entry */
domain = add_trusted_domain( lp_workgroup(), lp_realm(), &cache_methods, NULL);
+ domain->primary = True;
+
/* get any alternate name for the primary domain */
cache_methods.alternate_name(domain);
@@ -291,8 +292,17 @@ BOOL init_domain_list(void)
return True;
}
-/* Given a domain name, return the struct winbindd domain info for it
- if it is actually working. */
+/**
+ * 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
+ * domain may be found by looking at the first entry in domain_list()
+ * directly.
+ *
+ *
+ * @return The domain structure for the named domain, if it is working.
+ */
struct winbindd_domain *find_domain_from_name(const char *domain_name)
{
@@ -302,8 +312,9 @@ struct winbindd_domain *find_domain_from_name(const char *domain_name)
for (domain = domain_list(); domain != NULL; domain = domain->next) {
if (strequal(domain_name, domain->name) ||
- (domain->alt_name[0] && strequal(domain_name, domain->alt_name)))
+ (domain->alt_name[0] && strequal(domain_name, domain->alt_name))) {
return domain;
+ }
}
/* Not found */
@@ -329,6 +340,24 @@ struct winbindd_domain *find_domain_from_sid(DOM_SID *sid)
return NULL;
}
+/* Given a domain sid, return the struct winbindd domain info for it */
+
+struct winbindd_domain *find_our_domain()
+{
+ struct winbindd_domain *domain;
+
+ /* Search through list */
+
+ for (domain = domain_list(); domain != NULL; domain = domain->next) {
+ if (domain->primary)
+ return domain;
+ }
+
+ /* Not found */
+
+ return NULL;
+}
+
/* Lookup a sid in a domain from a name */
BOOL winbindd_lookup_sid_by_name(struct winbindd_domain *domain,
@@ -471,6 +500,20 @@ BOOL check_domain_env(char *domain_env, char *domain)
return False;
}
+/* Is this a domain which we may assume no DOMAIN\ prefix? */
+
+static BOOL assume_domain(const char *domain) {
+ if ((lp_winbind_use_default_domain()
+ || lp_winbind_trusted_domains_only()) &&
+ strequal(lp_workgroup(), domain))
+ return True;
+
+ if (strequal(get_global_sam_name(), domain))
+ return True;
+
+ return False;
+}
+
/* Parse a string of the form DOMAIN/user into a domain and a user */
BOOL parse_domain_user(const char *domuser, fstring domain, fstring user)
@@ -480,10 +523,13 @@ BOOL parse_domain_user(const char *domuser, fstring domain, fstring user)
if ( !p ) {
fstrcpy(user, domuser);
- if ( lp_winbind_use_default_domain() )
+ if ( assume_domain(lp_workgroup())) {
fstrcpy(domain, lp_workgroup());
- else
- fstrcpy( domain, "" );
+ } else if (assume_domain(get_global_sam_name())) {
+ fstrcpy( domain, get_global_sam_name() );
+ } else {
+ fstrcpy( domain, "");
+ }
}
else {
fstrcpy(user, p+1);
@@ -501,13 +547,17 @@ BOOL parse_domain_user(const char *domuser, fstring domain, fstring user)
'winbind separator' options.
This means:
- omit DOMAIN when 'winbind use default domain = true' and DOMAIN is
- lp_workgroup
+ lp_workgroup()
+
+ 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
+ username is then unqualified in unix
*/
void fill_domain_username(fstring name, const char *domain, const char *user)
{
- if(lp_winbind_use_default_domain() &&
- !strcmp(lp_workgroup(), domain)) {
+ if (assume_domain(domain)) {
strlcpy(name, user, sizeof(fstring));
} else {
slprintf(name, sizeof(fstring) - 1, "%s%s%s",