backout all the changes to nmbd.

The 1.9.16 tree is now back to 1.9.16p2 as far as nmbd is concerned
apart from a small change that fixes the announce type in two places.

1 files changed, 136 insertions, 203 deletions

diff --git a/source/nameelect.c b/source/nameelect.c
index 6c8a4751f43..be8a405daac 100644
--- a/source/nameelect.c
+++ b/source/nameelect.c
@@ -28,12 +28,10 @@
    04 jul 96: lkcl@pires.co.uk
    added system to become a master browser by stages.
 
-   30 July 96: David.Chappell@mail.trincoll.edu
-   Expanded multiple workgroup domain master browser support.
 
 */
 
-#include "includes.h"          
+#include "includes.h"
 
 extern int ClientNMB;
 extern int ClientDGRAM;
@@ -41,6 +39,7 @@ extern int ClientDGRAM;
 extern int DEBUGLEVEL;
 extern pstring scope;
 
+extern pstring myname;
 extern struct in_addr ipzero;
 extern struct in_addr ipgrp;
 
@@ -52,9 +51,6 @@ extern struct subnet_record *subnetlist;
 
 extern uint16 nb_type; /* samba's NetBIOS name type */
 
-extern pstring myname;
-
-
 /*******************************************************************
   occasionally check to see if the master browser is around
   ******************************************************************/
@@ -72,22 +68,22 @@ void check_master_browser(void)
   dump_workgroups();
 
   for (d = subnetlist; d; d = d->next)
-  {
-    struct work_record *work;
-
-    for (work = d->workgrouplist; work; work = work->next)
     {
-      /* if we are not the browse master of a workgroup, and we can't
-         find a browser on the subnet, do something about it. */
+      struct work_record *work;
 
-      if (!AM_MASTER(work))
-      {
-          queue_netbios_packet(d,ClientNMB,NMB_QUERY,NAME_QUERY_MST_CHK,
-                   work->token, work->work_group,0x1d,REGISTER,0,0,0,NULL,NULL,
-                   True,False,d->bcast_ip,d->bcast_ip);
-      }
+      for (work = d->workgrouplist; work; work = work->next)
+	{
+	  /* if we are not the browse master of a workgroup, and we can't
+	     find a browser on the subnet, do something about it. */
+
+	  if (!AM_MASTER(work))
+	    {
+	      queue_netbios_packet(d,ClientNMB,NMB_QUERY,NAME_QUERY_MST_CHK,
+				   work->work_group,0x1d,0,0,0,NULL,NULL,
+				   True,False,d->bcast_ip,d->bcast_ip);
+	    }
+	}
     }
-  }
 }
 
 
@@ -106,10 +102,11 @@ void browser_gone(char *work_name, struct in_addr ip)
   if (ip_equal(d->bcast_ip,ipgrp)) 
     return;
 
-  if (conf_should_local_master(work->token))
+  if (strequal(work->work_group, lp_workgroup()))
   {
+
       DEBUG(2,("Forcing election on %s %s\n",
-           work->work_group,inet_ntoa(d->bcast_ip)));
+	       work->work_group,inet_ntoa(d->bcast_ip)));
 
       /* we can attempt to become master browser */
       work->needelection = True;
@@ -117,10 +114,10 @@ void browser_gone(char *work_name, struct in_addr ip)
   else
   {
      /* local interfaces: force an election */
-    send_election(d, work->work_group, 0, 0, conf_browsing_alias(work->token));
+    send_election(d, work->work_group, 0, 0, myname);
 
      /* only removes workgroup completely on a local interface 
-        persistent lmhosts entries on a local interface _will_ be removed.
+        persistent lmhosts entries on a local interface _will_ be removed).
       */
      remove_workgroup(d, work,True);
   }
@@ -131,7 +128,7 @@ void browser_gone(char *work_name, struct in_addr ip)
   send an election packet
   **************************************************************************/
 void send_election(struct subnet_record *d, char *group,uint32 criterion,
-           int timeup,char *name)
+		   int timeup,char *name)
 {
   pstring outbuf;
   char *p;
@@ -139,7 +136,7 @@ void send_election(struct subnet_record *d, char *group,uint32 criterion,
   if (!d) return;
   
   DEBUG(2,("Sending election to %s for workgroup %s\n",
-       inet_ntoa(d->bcast_ip),group));     
+	   inet_ntoa(d->bcast_ip),group));	   
 
   bzero(outbuf,sizeof(outbuf));
   p = outbuf;
@@ -155,7 +152,7 @@ void send_election(struct subnet_record *d, char *group,uint32 criterion,
   p = skip_string(p,1);
   
   send_mailslot_reply(BROWSE_MAILSLOT,ClientDGRAM,outbuf,PTR_DIFF(p,outbuf),
-              name,group,0,0x1e,d->bcast_ip,*iface_ip(d->bcast_ip));
+		      name,group,0,0x1e,d->bcast_ip,*iface_ip(d->bcast_ip));
 }
 
 
@@ -175,10 +172,8 @@ void name_unregister_work(struct subnet_record *d, char *name, int name_type)
 
     if (!(work = find_workgroupstruct(d, name, False))) return;
 
-    if (!AM_MASTER(work) && !AM_DMBRSE(work)) return;
-
     if (ms_browser_name(name, name_type) ||
-        (conf_should_workgroup_member(work->token) &&
+        (AM_MASTER(work) && strequal(name, lp_workgroup()) == 0 &&
          (name_type == 0x1d || name_type == 0x1b)))
     {
       int remove_type = 0;
@@ -189,7 +184,7 @@ void name_unregister_work(struct subnet_record *d, char *name, int name_type)
         remove_type = SV_TYPE_MASTER_BROWSER;
       if (name_type == 0x1b)
         remove_type = SV_TYPE_DOMAIN_MASTER;
-            
+			
       become_nonmaster(d, work, remove_type);
     }
 }
@@ -202,17 +197,17 @@ void name_unregister_work(struct subnet_record *d, char *name, int name_type)
   whether to proceed to the next stage in samba becoming a master browser.
 
   **************************************************************************/
-void name_register_work(struct subnet_record *d, int token,
-                char *name, int name_type, enum name_source source,
-                struct nmb_ip *data, time_t ttl, struct in_addr ip, BOOL bcast)
+void name_register_work(struct subnet_record *d, char *name, int name_type,
+				int nb_flags, time_t ttl, struct in_addr ip, BOOL bcast)
 {
+  enum name_source source = (ismyip(ip) || ip_equal(ip, ipzero)) ?
+								SELF : REGISTER;
+
   if (source == SELF)
   {
-    char *work_name = conf_workgroup_name(token);
-    struct work_record *work = find_workgroupstruct(d, work_name, False);
+    struct work_record *work = find_workgroupstruct(d, lp_workgroup(), False);
 
-    add_netbios_entry(d,name,name_type,data->nb_flags,
-                      ttl,source,data->ip,True,!bcast);
+    add_netbios_entry(d,name,name_type,nb_flags,ttl,source,ip,True,!bcast);
 
     if (work)
     {
@@ -254,8 +249,6 @@ void name_register_work(struct subnet_record *d, int token,
   ******************************************************************/
 void become_master(struct subnet_record *d, struct work_record *work)
 {
-  pstring comment;
-
   /* domain type must be limited to domain enum + server type. it must
      not have SV_TYPE_SERVER or anything else with SERVER in it, else
      clients get confused and start thinking this entry is a server
@@ -263,26 +256,10 @@ void become_master(struct subnet_record *d, struct work_record *work)
    */
   uint32 domain_type = SV_TYPE_DOMAIN_ENUM|SV_TYPE_NT;
 
-  char *my_name   ;
-  char *my_comment;
-
   if (!work) return;
   
-  my_name    = conf_browsing_alias(work->token);
-  my_comment = conf_browsing_alias_comment(work->token);
-
-  StrnCpy(comment, my_comment, 43);
-  
-  if (!conf_should_local_master(work->token))
-  {
-    DEBUG(1,("Should not become master for %s %s\n",
-                    work->work_group,inet_ntoa(d->bcast_ip)));
-    work->state = MST_NONE;
-    return;
-  }
-
   DEBUG(2,("Becoming master for %s %s (currently at stage %d)\n",
-                    work->work_group,inet_ntoa(d->bcast_ip),work->state));
+					work->work_group,inet_ntoa(d->bcast_ip),work->state));
   
   switch (work->state)
   {
@@ -295,10 +272,10 @@ void become_master(struct subnet_record *d, struct work_record *work)
 
       /* update our server status */
       work->ServerType &= ~SV_TYPE_POTENTIAL_BROWSER;
-      add_server_entry(d,work,my_name,work->ServerType,0,comment,True);
+      add_server_entry(d,work,myname,work->ServerType,0,lp_serverstring(),True);
 
       /* add special browser name */
-      add_my_name_entry(d,work->token,MSBROWSE,0x01,nb_type|NB_ACTIVE|NB_GROUP);
+      add_my_name_entry(d,MSBROWSE        ,0x01,nb_type|NB_ACTIVE|NB_GROUP);
 
       /* DON'T do anything else after calling add_my_name_entry() */
       return;
@@ -309,11 +286,10 @@ void become_master(struct subnet_record *d, struct work_record *work)
       work->state = MST_MSB; /* ... registering MSBROWSE was successful */
 
       /* add server entry on successful registration of MSBROWSE */
-      add_server_entry(d,work,work->work_group,
-                       domain_type,0,conf_browsing_alias(work->token),True);
+      add_server_entry(d,work,work->work_group,domain_type,0,myname,True);
 
       /* add master name */
-      add_my_name_entry(d,work->token,work->work_group,0x1d,nb_type|NB_ACTIVE);
+      add_my_name_entry(d,work->work_group,0x1d,nb_type|NB_ACTIVE);
   
       /* DON'T do anything else after calling add_my_name_entry() */
       return;
@@ -325,8 +301,7 @@ void become_master(struct subnet_record *d, struct work_record *work)
 
       /* update our server status */
       work->ServerType |= SV_TYPE_MASTER_BROWSER;
-      add_server_entry(d,work,conf_browsing_alias(work->token),
-                       work->ServerType,0,comment,True);
+      add_server_entry(d,work,myname,work->ServerType,0,lp_serverstring(),True);
 
       if (work->serverlist == NULL) /* no servers! */
       {
@@ -346,14 +321,13 @@ void become_master(struct subnet_record *d, struct work_record *work)
 
    case MST_DOMAIN_NONE:
    {
-      if (conf_should_domain_master(work->token))
+      if (lp_domain_master())
       {
         work->state = MST_DOMAIN_MEM; /* ... become domain member */
         DEBUG(3,("domain first stage: register as domain member\n"));
 
         /* add domain member name */
-        add_my_name_entry(d,work->token,work->work_group,0x1e,
-                          nb_type|NB_ACTIVE|NB_GROUP);
+        add_my_name_entry(d,work->work_group,0x1e,nb_type|NB_ACTIVE|NB_GROUP);
 
         /* DON'T do anything else after calling add_my_name_entry() */
         return;
@@ -368,20 +342,19 @@ void become_master(struct subnet_record *d, struct work_record *work)
 
    case MST_DOMAIN_MEM:
    {
-      if (conf_should_domain_master(work->token))
+      if (lp_domain_master())
       {
         work->state = MST_DOMAIN_TST; /* ... possibly become domain master */
         DEBUG(3,("domain second stage: register as domain master\n"));
 
-        if (conf_should_domain_logon(work->token))
-        {
+        if (lp_domain_logons())
+	    {
           work->ServerType |= SV_TYPE_DOMAIN_MEMBER;
-          add_server_entry(d,work,my_name,work->ServerType,0,comment,True);
+          add_server_entry(d,work,myname,work->ServerType,0,lp_serverstring(),True);
         }
 
         /* add domain master name */
-        add_my_name_entry(d,work->token,work->work_group,0x1b,
-                          nb_type|NB_ACTIVE         );
+        add_my_name_entry(d,work->work_group,0x1b,nb_type|NB_ACTIVE         );
 
         /* DON'T do anything else after calling add_my_name_entry() */
         return;
@@ -397,10 +370,10 @@ void become_master(struct subnet_record *d, struct work_record *work)
     case MST_DOMAIN_TST: /* while we were still a master browser... */
     {
       /* update our server status */
-      if (conf_should_domain_master(work->token))
+      if (lp_domain_master())
       {
         struct subnet_record *d1;
-        uint32 update_type = 0;
+		uint32 update_type = 0;
 
         DEBUG(3,("domain third stage: samba is now a domain master.\n"));
         work->state = MST_DOMAIN; /* ... registering WORKGROUP(1b) succeeded */
@@ -408,30 +381,30 @@ void become_master(struct subnet_record *d, struct work_record *work)
         update_type |= DFLT_SERVER_TYPE | SV_TYPE_DOMAIN_MASTER | 
 	  SV_TYPE_POTENTIAL_BROWSER;
 
-        work->ServerType |= update_type;
-        add_server_entry(d,work,my_name,work->ServerType,0,comment,True);
-
-        for (d1 = subnetlist; d1; d1 = d1->next)
-        {
-            struct work_record *w;
-            if (ip_equal(d1->bcast_ip, d->bcast_ip)) continue;
-
-            for (w = d1->workgrouplist; w; w = w->next)
-            {
-                struct server_record *s = find_server(w, my_name);
-                if (strequal(w->work_group, work->work_group))
-                {
-                    w->ServerType |= update_type;
-                }
-                if (s)
-                {
-                    s->serv.type |= update_type;
-                    DEBUG(4,("found server %s on %s: update to %8x\n",
-                                    s->serv.name, inet_ntoa(d1->bcast_ip),
-                                    s->serv.type));
-                }
-            }
-        }
+		work->ServerType |= update_type;
+		add_server_entry(d,work,myname,work->ServerType,0,lp_serverstring(),True);
+
+		for (d1 = subnetlist; d1; d1 = d1->next)
+		{
+        	struct work_record *w;
+			if (ip_equal(d1->bcast_ip, d->bcast_ip)) continue;
+
+        	for (w = d1->workgrouplist; w; w = w->next)
+			{
+				struct server_record *s = find_server(w, myname);
+				if (strequal(w->work_group, work->work_group))
+				{
+					w->ServerType |= update_type;
+				}
+				if (s)
+				{
+					s->serv.type |= update_type;
+					DEBUG(4,("found server %s on %s: update to %8x\n",
+									s->serv.name, inet_ntoa(d1->bcast_ip),
+									s->serv.type));
+				}
+			}
+		}
       }
   
       break;
@@ -452,25 +425,11 @@ void become_master(struct subnet_record *d, struct work_record *work)
   names, and tells the world that we are no longer a master browser.
   ******************************************************************/
 void become_nonmaster(struct subnet_record *d, struct work_record *work,
-                int remove_type)
+				int remove_type)
 {
   int new_server_type = work->ServerType;
 
-  pstring comment;
-
-  char *my_name   ;
-  char *my_comment;
-  BOOL wins = ip_equal(d->bcast_ip, ipgrp);
-  enum master_state state;
-
-  if (!work) return;
-  
-  my_name    = conf_browsing_alias        (work->token);
-  my_comment = conf_browsing_alias_comment(work->token);
-
-  StrnCpy(comment, my_comment, 43);
-  
-  DEBUG(2,("Becoming non-master for %s alias %s\n",work->work_group, my_name));
+  DEBUG(2,("Becoming non-master for %s\n",work->work_group));
   
   /* can only remove master or domain types with this function */
   remove_type &= SV_TYPE_MASTER_BROWSER|SV_TYPE_DOMAIN_MASTER;
@@ -480,7 +439,6 @@ void become_nonmaster(struct subnet_record *d, struct work_record *work,
     remove_type |= SV_TYPE_DOMAIN_MASTER;
 
   new_server_type &= ~remove_type;
-  state = work->state;
 
   if (!(new_server_type & (SV_TYPE_MASTER_BROWSER|SV_TYPE_DOMAIN_MASTER)))
   {
@@ -490,40 +448,25 @@ void become_nonmaster(struct subnet_record *d, struct work_record *work,
     work->ElectionCriterion &= ~0x4;
     work->state = MST_NONE;
 
-    remove_name_entry(d,work->token,MSBROWSE,0x01);
+	/* announce ourselves as no longer active as a master browser. */
+    announce_server(d, work, work->work_group, myname, 0, 0);
+    remove_name_entry(d,MSBROWSE        ,0x01);
   }
   
   work->ServerType = new_server_type;
 
   if (!(work->ServerType & SV_TYPE_DOMAIN_MASTER))
   {
-    if (state == MST_DOMAIN)
-    {
-      if (wins)
-        work->state = MST_NONE;
-      else
-        work->state = MST_BROWSER;
-    }
-    remove_name_entry(d,work->token,work->work_group,0x1b);
+    if (work->state == MST_DOMAIN)
+      work->state = MST_BROWSER;
+    remove_name_entry(d,work->work_group,0x1b);    
   }
 
   if (!(work->ServerType & SV_TYPE_MASTER_BROWSER))
   {
-    if (state >= MST_BROWSER)
+    if (work->state >= MST_BROWSER)
       work->state = MST_NONE;
-    remove_name_entry(d,work->token,work->work_group,0x1d);
-  }
-
-  /* update our internal records with our new server state */
-  add_server_entry(d, work, my_name, work->ServerType, 0, my_comment, True);
-
-  /* announce change in status on local interface */
-  if (!wins)
-  {
-    /* XXXX do we need also to do an announce with a time of zero
-       if we are no longer a local master browser?
-     */
-    work->needannounce = True;
+    remove_name_entry(d,work->work_group,0x1d);
   }
 }
 
@@ -547,27 +490,25 @@ void run_elections(void)
   {
     struct work_record *work;
     for (work = d->workgrouplist; work; work = work->next)
-    {
-      if (work->RunningElection)
-      {
-        char *alias = conf_browsing_alias(work->token);
-
-        send_election(d,work->work_group, work->ElectionCriterion,
-                t-StartupTime,alias);
-          
-        if (work->ElectionCount++ >= 4)
-        {
-          /* I won! now what :-) */
-          DEBUG(2,(">>> Won election for %s as %s on %s <<<\n",
-               work->work_group,alias,inet_ntoa(d->bcast_ip)));
-          
-          work->RunningElection = False;
-          work->state = MST_NONE;
-
-          become_master(d, work);
-        }
-      }
-    }
+	{
+	  if (work->RunningElection)
+	  {
+	    send_election(d,work->work_group, work->ElectionCriterion,
+			    t-StartupTime,myname);
+	      
+	    if (work->ElectionCount++ >= 4)
+		{
+		  /* I won! now what :-) */
+		  DEBUG(2,(">>> Won election on %s %s <<<\n",
+			   work->work_group,inet_ntoa(d->bcast_ip)));
+		  
+		  work->RunningElection = False;
+		  work->state = MST_NONE;
+
+		  become_master(d, work);
+		}
+	  }
+	}
   }
 }
 
@@ -576,7 +517,7 @@ void run_elections(void)
   work out if I win an election
   ******************************************************************/
 static BOOL win_election(struct work_record *work,int version,uint32 criterion,
-             int timeup,char *name)
+			 int timeup,char *name)
 {  
   int mytimeup = time(NULL) - StartupTime;
   uint32 mycriterion = work->ElectionCriterion;
@@ -596,7 +537,7 @@ static BOOL win_election(struct work_record *work,int version,uint32 criterion,
   if (timeup > mytimeup) return(False);
   if (timeup < mytimeup) return(True);
 
-  if (strcasecmp(conf_browsing_alias(work->token),name) > 0) return(False);
+  if (strcasecmp(myname,name) > 0) return(False);
   
   return(True);
 }
@@ -634,38 +575,30 @@ void process_election(struct packet_struct *p,char *buf)
   if (same_context(dgram)) return;
   
   for (work = d->workgrouplist; work; work = work->next)
-  {
-    if (!conf_should_local_master(work->token)) continue;
-
-    if (win_election(work, version,criterion,timeup,name))
-    {
-        if (!work->RunningElection)
-        {
-          work->needelection = True;
-          work->ElectionCount=0;
-          work->state = MST_NONE;
-        }
-    }
-    else
     {
-        work->needelection = False;
-          
-        if (work->RunningElection || AM_MASTER(work))
-        {
-          work->RunningElection = False;
-          DEBUG(3,(">>> Lost election on %s %s <<<\n",
-               work->work_group,inet_ntoa(d->bcast_ip)));
-          
-          /* if we are the master then remove our masterly names */
-          if (AM_MASTER(work))
-          {
-              become_nonmaster(d, work,
-                    SV_TYPE_MASTER_BROWSER|
-                    SV_TYPE_DOMAIN_MASTER);
-          }
-        }
+      if (!strequal(work->work_group, lp_workgroup()))
+	continue;
+
+      if (win_election(work, version,criterion,timeup,name)) {
+	if (!work->RunningElection) {
+	  work->needelection = True;
+	  work->ElectionCount=0;
+	  work->state = MST_NONE;
+	}
+      } else {
+	work->needelection = False;
+	  
+	if (work->RunningElection || AM_MASTER(work)) {
+	  work->RunningElection = False;
+	  DEBUG(3,(">>> Lost election on %s %s <<<\n",
+		   work->work_group,inet_ntoa(d->bcast_ip)));
+	  if (AM_MASTER(work))
+	    become_nonmaster(d, work,
+			     SV_TYPE_MASTER_BROWSER|
+			     SV_TYPE_DOMAIN_MASTER);
+	}
+      }
     }
-  }
 }
 
 
@@ -686,18 +619,18 @@ BOOL check_elections(void)
     {
       struct work_record *work;
       for (work = d->workgrouplist; work; work = work->next)
-    {
-      run_any_election |= work->RunningElection;
-      
-      if (work->needelection && !work->RunningElection)
-        {
-          DEBUG(3,(">>> Starting election on %s %s <<<\n",
-               work->work_group,inet_ntoa(d->bcast_ip)));
-          work->ElectionCount = 0;
-          work->RunningElection = True;
-          work->needelection = False;
-        }
-    }
+	{
+	  run_any_election |= work->RunningElection;
+	  
+	  if (work->needelection && !work->RunningElection)
+	    {
+	      DEBUG(3,(">>> Starting election on %s %s <<<\n",
+		       work->work_group,inet_ntoa(d->bcast_ip)));
+	      work->ElectionCount = 0;
+	      work->RunningElection = True;
+	      work->needelection = False;
+	    }
+	}
     }
   return run_any_election;
 }