- fixed bugs in nmb response packet checking.

- added multiple workgroup code - samba can register under different
  (unique) NetBIOS aliases, one per workgroup it joins.

lkcl
(This used to be commit f24e341e7e4d8726b98d3a0f83b24f61817fe536)

1 files changed, 76 insertions, 66 deletions

diff --git a/source3/nmbd/nmbd.c b/source3/nmbd/nmbd.c
index 5b3fd19491..4a3d139fda 100644
--- a/source3/nmbd/nmbd.c
+++ b/source3/nmbd/nmbd.c
@@ -23,6 +23,10 @@
    14 jan 96: lkcl@pires.co.uk
    added multiple workgroup domain master support
 
+
+   30 July 96: David.Chappell@mail.trincoll.edu
+   Expanded multiple workgroup domain master browser support.
+
 */
 
 #include "includes.h"
@@ -165,10 +169,10 @@ static void expire_names_and_servers(void)
   time_t t = time(NULL);
   
   if (!lastrun) lastrun = t;
-  if (t < lastrun + 5) return;
+  if (t < lastrun + 15) return; /* give samba time to check its names */
   lastrun = t;
   
-  expire_names(t);
+  check_expire_names(t); /* this checks samba's NetBIOS names */
   expire_servers(t);
 }
 
@@ -187,10 +191,10 @@ BOOL reload_services(BOOL test)
       pstring fname;
       strcpy(fname,lp_configfile());
       if (file_exist(fname,NULL) && !strcsequal(fname,servicesf))
-	{
-	  strcpy(servicesf,fname);
-	  test = False;
-	}
+    {
+      strcpy(servicesf,fname);
+      test = False;
+    }
     }
 
   if (test && !lp_file_list_changed())
@@ -251,32 +255,32 @@ static void load_hosts_file(char *fname)
       if (count <= 0) continue;
       
       if (count > 0 && count < 2) {
-	DEBUG(0,("Ill formed hosts line [%s]\n",line));	    
-	continue;
+    DEBUG(0,("Ill formed hosts line [%s]\n",line));     
+    continue;
       }
       
       if (count >= 4) {
-	DEBUG(0,("too many columns in %s (obsolete syntax)\n",fname));
-	continue;
+    DEBUG(0,("too many columns in %s (obsolete syntax)\n",fname));
+    continue;
       }
       
       DEBUG(4, ("lmhost entry: %s %s %s\n", ip, name, flags));
       
       if (strchr(flags,'G') || strchr(flags,'S')) {
-	DEBUG(0,("group flag in %s ignored (obsolete)\n",fname));
-	continue;
+    DEBUG(0,("group flag in %s ignored (obsolete)\n",fname));
+    continue;
       }
       
       if (strchr(flags,'M')) {
-	source = SELF;
-	strcpy(myname,name);
+    source = SELF;
+    strcpy(myname,name);
       }
       
       ipaddr = *interpret_addr2(ip);
       d = find_subnet(ipaddr);
       if (d) {
-	add_netbios_entry(d,name,0x00,NB_ACTIVE,0,source,ipaddr,True,True);
-	add_netbios_entry(d,name,0x20,NB_ACTIVE,0,source,ipaddr,True,True);
+    add_netbios_entry(d,name,0x00,NB_ACTIVE,0,source,ipaddr,True,True);
+    add_netbios_entry(d,name,0x20,NB_ACTIVE,0,source,ipaddr,True,True);
       } 
     }
   
@@ -292,8 +296,7 @@ static void process(void)
   BOOL run_election;
 
   while (True)
-    {
-      time_t t = time(NULL);
+  {
       run_election = check_elections();
       listen_for_packets(run_election);
 
@@ -310,12 +313,11 @@ static void process(void)
 
       expire_names_and_servers();
       expire_netbios_response_entries();
-      refresh_my_names(t);
 
       write_browse_list();
       do_browser_lists();
       check_master_browser();
-    }
+  }
 }
 
 
@@ -435,50 +437,50 @@ static void usage(char *pname)
   while ((opt = getopt(argc, argv, "s:T:I:C:bAi:B:N:Rn:l:d:Dp:hSH:G:")) != EOF)
     {
       switch (opt)
-	{
-	case 's':
-	  strcpy(servicesf,optarg);
-	  break;	  
-	case 'N':
-	case 'B':
-	case 'I':
-	case 'C':
-	case 'G':
-	  DEBUG(0,("Obsolete option '%c' used\n",opt));
-	  break;
-	case 'H':
-	  strcpy(host_file,optarg);
-	  break;
-	case 'n':
-	  strcpy(myname,optarg);
-	  strupper(myname);
-	  break;
-	case 'l':
-	  sprintf(debugf,"%s.nmb",optarg);
-	  break;
-	case 'i':
-	  strcpy(scope,optarg);
-	  strupper(scope);
-	  break;
-	case 'D':
-	  is_daemon = True;
-	  break;
-	case 'd':
-	  DEBUGLEVEL = atoi(optarg);
-	  break;
-	case 'p':
-	  port = atoi(optarg);
-	  break;
-	case 'h':
-	  usage(argv[0]);
-	  exit(0);
-	  break;
-	default:
-	  if (!is_a_socket(0)) {
-	    usage(argv[0]);
-	  }
-	  break;
-	}
+    {
+    case 's':
+      strcpy(servicesf,optarg);
+      break;      
+    case 'N':
+    case 'B':
+    case 'I':
+    case 'C':
+    case 'G':
+      DEBUG(0,("Obsolete option '%c' used\n",opt));
+      break;
+    case 'H':
+      strcpy(host_file,optarg);
+      break;
+    case 'n':
+      strcpy(myname,optarg);
+      strupper(myname);
+      break;
+    case 'l':
+      sprintf(debugf,"%s.nmb",optarg);
+      break;
+    case 'i':
+      strcpy(scope,optarg);
+      strupper(scope);
+      break;
+    case 'D':
+      is_daemon = True;
+      break;
+    case 'd':
+      DEBUGLEVEL = atoi(optarg);
+      break;
+    case 'p':
+      port = atoi(optarg);
+      break;
+    case 'h':
+      usage(argv[0]);
+      exit(0);
+      break;
+    default:
+      if (!is_a_socket(0)) {
+        usage(argv[0]);
+      }
+      break;
+    }
     }
 
   DEBUG(1,("%s netbios nameserver version %s started\n",timestring(),VERSION));
@@ -487,10 +489,18 @@ static void usage(char *pname)
   get_myname(myhostname,NULL);
 
   if (!reload_services(False))
-    return(-1);	
-
+    return(-1); 
+  
   init_structs();
 
+  /* reads the smbbrowse.conf file. this is an alias mapping between
+     workgroups and samba NetBIOS aliases. samba can therefore be
+     a member of multiple workgroups, a local master browser of
+     multiple workgroups, or a domain master browser of multiple
+     workgroups, via each NetBIOS name alias. the aliases MUST
+     be unique for this to work. */
+  read_smbbrowse_conf(myname);
+    
   reload_services(True);
 
   set_samba_nb_type();