Add msdfs proxy functionality to HEAD.

(This used to be commit 9df93b1ffc9ce98302540cc3d2cbd66787abc4fd)

3 files changed, 59 insertions, 24 deletions

diff --git a/source3/msdfs/msdfs.c b/source3/msdfs/msdfs.c
index 3e66c1c10c..613382961b 100644
--- a/source3/msdfs/msdfs.c
+++ b/source3/msdfs/msdfs.c
@@ -381,6 +381,26 @@ BOOL get_referred_path(char *pathname, struct junction_map* jn,
 		return False;
 	}
 
+	if (*lp_msdfs_proxy(snum) != '\0') {
+		struct referral* ref;
+		jn->referral_count = 1;
+		if ((ref = (struct referral*) malloc(sizeof(struct referral)))
+		    == NULL) {
+			DEBUG(0, ("malloc failed for referral\n"));
+			return False;
+		}
+
+		pstrcpy(ref->alternate_path, lp_msdfs_proxy(snum));
+		if (dp.reqpath[0] != '\0')
+			pstrcat(ref->alternate_path, dp.reqpath);
+		ref->proximity = 0;
+		ref->ttl = REFERRAL_TTL;
+		jn->referral_list = ref;
+		if (consumedcntp)
+			*consumedcntp = strlen(pathname);
+		return True;
+	}
+
 	/* If not remote & not a self referral, return False */
 	if (!resolve_dfs_path(pathname, &dp, conn, False, 
 			      &jn->referral_list, &jn->referral_count,
@@ -630,7 +650,7 @@ int setup_dfs_referral(char* pathname, int max_referral_level, char** ppdata)
 			dbgtext(".\n");
 		}
 	}
-	
+
 	/* create the referral depeding on version */
 	DEBUG(10,("max_referral_level :%d\n",max_referral_level));
 	if(max_referral_level<2 || max_referral_level>3)
@@ -798,6 +818,7 @@ static BOOL form_junctions(int snum, struct junction_map* jn, int* jn_count)
 	char* service_name = lp_servicename(snum);
 	connection_struct conns;
 	connection_struct *conn = &conns;
+	struct referral *ref = NULL;
  
 	pstrcpy(connect_path,lp_pathname(snum));
 
@@ -811,31 +832,34 @@ static BOOL form_junctions(int snum, struct junction_map* jn, int* jn_count)
 	if (!create_conn_struct(conn, snum, connect_path))
 		return False;
 
-	{ 
-		/* form a junction for the msdfs root - convention 
-		   DO NOT REMOVE THIS: NT clients will not work with us
-		   if this is not present
-		*/ 
-		struct referral *ref = NULL;
-		pstring alt_path;
-		pstrcpy(jn[cnt].service_name, service_name);
-		jn[cnt].volume_name[0] = '\0';
-		jn[cnt].referral_count = 1;
-	
-		slprintf(alt_path,sizeof(alt_path)-1,"\\\\%s\\%s", 
-			 local_machine, service_name);
-		ref = jn[cnt].referral_list = (struct referral*) malloc(sizeof(struct referral));
-		if (jn[cnt].referral_list == NULL) {
-			DEBUG(0, ("Malloc failed!\n"));
-			return False;
-		}
-
-		safe_strcpy(ref->alternate_path, alt_path, sizeof(pstring));
-		ref->proximity = 0;
-		ref->ttl = REFERRAL_TTL;
-		cnt++;
+	/* form a junction for the msdfs root - convention 
+	   DO NOT REMOVE THIS: NT clients will not work with us
+	   if this is not present
+	*/ 
+	pstrcpy(jn[cnt].service_name, service_name);
+	jn[cnt].volume_name[0] = '\0';
+	jn[cnt].referral_count = 1;
+
+	ref = jn[cnt].referral_list
+		= (struct referral*) malloc(sizeof(struct referral));
+	if (jn[cnt].referral_list == NULL) {
+		DEBUG(0, ("Malloc failed!\n"));
+		return False;
 	}
 
+	ref->proximity = 0;
+	ref->ttl = REFERRAL_TTL;
+	if (*lp_msdfs_proxy(snum) != '\0') {
+		pstrcpy(ref->alternate_path, lp_msdfs_proxy(snum));
+		*jn_count = 1;
+		return True;
+	}
+		
+	slprintf(ref->alternate_path, sizeof(pstring)-1,
+		 "\\\\%s\\%s", local_machine, service_name);
+	cnt++;
+	
+	/* Now enumerate all dfs links */
 	dirp = conn->vfs_ops.opendir(conn, connect_path);
 	if(!dirp)
 		return False;
diff --git a/source3/param/loadparm.c b/source3/param/loadparm.c
index 02f120b534..621aa67e6a 100644
--- a/source3/param/loadparm.c
+++ b/source3/param/loadparm.c
@@ -328,6 +328,7 @@ typedef struct
 	char *szVfsObjectFile;
 	char *szVfsOptions;
 	char *szVfsPath;
+	char *szMSDfsProxy;
 	int iMinPrintSpace;
 	int iMaxPrintJobs;
 	int iWriteCacheSize;
@@ -447,6 +448,7 @@ static service sDefault = {
 	NULL,			/* vfs object */
 	NULL,			/* vfs options */
 	NULL,			/* vfs path */
+	NULL,                   /* szMSDfsProxy */
 	0,			/* iMinPrintSpace */
 	1000,			/* iMaxPrintJobs */
 	0,			/* iWriteCacheSize */
@@ -1091,6 +1093,7 @@ static struct parm_struct parm_table[] = {
 
 	
 	{"msdfs root", P_BOOL, P_LOCAL, &sDefault.bMSDfsRoot, NULL, NULL, FLAG_SHARE},
+	{"msdfs proxy", P_STRING, P_LOCAL, &sDefault.szMSDfsProxy, NULL, NULL, FLAG_SHARE},
 	{"host msdfs", P_BOOL, P_GLOBAL, &Globals.bHostMSDfs, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
 
 	{"Winbind options", P_SEP, P_SEPARATOR},
@@ -1739,6 +1742,7 @@ FN_LOCAL_STRING(lp_fstype, fstype)
 FN_LOCAL_STRING(lp_vfsobj, szVfsObjectFile)
 FN_LOCAL_STRING(lp_vfs_options, szVfsOptions)
 FN_LOCAL_STRING(lp_vfs_path, szVfsPath)
+FN_LOCAL_STRING(lp_msdfs_proxy, szMSDfsProxy)
 static FN_LOCAL_STRING(lp_volume, volume)
 FN_LOCAL_STRING(lp_mangled_map, szMangledMap)
 FN_LOCAL_STRING(lp_veto_files, szVetoFiles)
diff --git a/source3/smbd/service.c b/source3/smbd/service.c
index 1f168dd3ff..d00c908a1a 100644
--- a/source3/smbd/service.c
+++ b/source3/smbd/service.c
@@ -833,6 +833,13 @@ connection_struct *make_connection(const char *service_in, DATA_BLOB password,
 		return NULL;
 	}
 
+	/* Handle non-Dfs clients attempting connections to msdfs proxy */
+	if (lp_host_msdfs() && (*lp_msdfs_proxy(snum) != '\0'))  {
+		DEBUG(3, ("refusing connection to dfs proxy '%s'\n", service));
+		*status = NT_STATUS_BAD_NETWORK_NAME;
+		return NULL;
+	}
+
 	DEBUG(5, ("making a connection to 'normal' service %s\n", service));
 
 	return make_connection_snum(snum, vuser,