r5004: add current samba3 nmblookup.c ready for updating to new nbt lib

(This used to be commit 854f7f376d7e15524a76bdb43a56be2a1a1d8123)

1 files changed, 299 insertions, 0 deletions

diff --git a/source4/utils/nmblookup.c b/source4/utils/nmblookup.c
new file mode 100644
index 0000000000..4ed4284786
--- /dev/null
+++ b/source4/utils/nmblookup.c
@@ -0,0 +1,299 @@
+/* 
+   Unix SMB/CIFS implementation.
+   NBT client - used to lookup netbios names
+   Copyright (C) Andrew Tridgell 1994-1998
+   Copyright (C) Jelmer Vernooij 2003 (Conversion to popt)
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   
+*/
+
+#define NO_SYSLOG
+
+#include "includes.h"
+
+extern BOOL AllowDebugChange;
+
+static BOOL give_flags = False;
+static BOOL use_bcast = True;
+static BOOL got_bcast = False;
+static struct in_addr bcast_addr;
+static BOOL recursion_desired = False;
+static BOOL translate_addresses = False;
+static int ServerFD= -1;
+static int RootPort = False;
+static BOOL find_status=False;
+
+/****************************************************************************
+  open the socket communication
+  **************************************************************************/
+static BOOL open_sockets(void)
+{
+  ServerFD = open_socket_in( SOCK_DGRAM,
+                             (RootPort ? 137 : 0),
+                             (RootPort ?   0 : 3),
+                             interpret_addr(lp_socket_address()), True );
+
+  if (ServerFD == -1)
+    return(False);
+
+  set_socket_options( ServerFD, "SO_BROADCAST" );
+
+  DEBUG(3, ("Socket opened.\n"));
+  return True;
+}
+
+/****************************************************************************
+turn a node status flags field into a string
+****************************************************************************/
+static char *node_status_flags(unsigned char flags)
+{
+	static fstring ret;
+	fstrcpy(ret,"");
+	
+	fstrcat(ret, (flags & 0x80) ? "<GROUP> " : "        ");
+	if ((flags & 0x60) == 0x00) fstrcat(ret,"B ");
+	if ((flags & 0x60) == 0x20) fstrcat(ret,"P ");
+	if ((flags & 0x60) == 0x40) fstrcat(ret,"M ");
+	if ((flags & 0x60) == 0x60) fstrcat(ret,"H ");
+	if (flags & 0x10) fstrcat(ret,"<DEREGISTERING> ");
+	if (flags & 0x08) fstrcat(ret,"<CONFLICT> ");
+	if (flags & 0x04) fstrcat(ret,"<ACTIVE> ");
+	if (flags & 0x02) fstrcat(ret,"<PERMANENT> ");
+	
+	return ret;
+}
+
+/****************************************************************************
+turn the NMB Query flags into a string
+****************************************************************************/
+static char *query_flags(int flags)
+{
+	static fstring ret1;
+	fstrcpy(ret1, "");
+
+	if (flags & NM_FLAGS_RS) fstrcat(ret1, "Response ");
+	if (flags & NM_FLAGS_AA) fstrcat(ret1, "Authoritative ");
+	if (flags & NM_FLAGS_TC) fstrcat(ret1, "Truncated ");
+	if (flags & NM_FLAGS_RD) fstrcat(ret1, "Recursion_Desired ");
+	if (flags & NM_FLAGS_RA) fstrcat(ret1, "Recursion_Available ");
+	if (flags & NM_FLAGS_B)  fstrcat(ret1, "Broadcast ");
+
+	return ret1;
+}
+
+/****************************************************************************
+do a node status query
+****************************************************************************/
+static void do_node_status(int fd, const char *name, int type, struct in_addr ip)
+{
+	struct nmb_name nname;
+	int count, i, j;
+	struct node_status *status;
+	struct node_status_extra extra;
+	fstring cleanname;
+
+	d_printf("Looking up status of %s\n",inet_ntoa(ip));
+	make_nmb_name(&nname, name, type);
+	status = node_status_query(fd,&nname,ip, &count, &extra);
+	if (status) {
+		for (i=0;i<count;i++) {
+			pull_ascii_fstring(cleanname, status[i].name);
+			for (j=0;cleanname[j];j++) {
+				if (!isprint((int)cleanname[j])) cleanname[j] = '.';
+			}
+			d_printf("\t%-15s <%02x> - %s\n",
+			       cleanname,status[i].type,
+			       node_status_flags(status[i].flags));
+		}
+		d_printf("\n\tMAC Address = %02X-%02X-%02X-%02X-%02X-%02X\n",
+				extra.mac_addr[0], extra.mac_addr[1],
+				extra.mac_addr[2], extra.mac_addr[3],
+				extra.mac_addr[4], extra.mac_addr[5]);
+		d_printf("\n");
+		SAFE_FREE(status);
+	} else {
+		d_printf("No reply from %s\n\n",inet_ntoa(ip));
+	}
+}
+
+
+/****************************************************************************
+send out one query
+****************************************************************************/
+static BOOL query_one(const char *lookup, unsigned int lookup_type)
+{
+	int j, count, flags = 0;
+	struct in_addr *ip_list=NULL;
+
+	if (got_bcast) {
+		d_printf("querying %s on %s\n", lookup, inet_ntoa(bcast_addr));
+		ip_list = name_query(ServerFD,lookup,lookup_type,use_bcast,
+				     use_bcast?True:recursion_desired,
+				     bcast_addr,&count, &flags, NULL);
+	} else {
+		struct in_addr *bcast;
+		for (j=iface_count() - 1;
+		     !ip_list && j >= 0;
+		     j--) {
+			bcast = iface_n_bcast(j);
+			d_printf("querying %s on %s\n", 
+			       lookup, inet_ntoa(*bcast));
+			ip_list = name_query(ServerFD,lookup,lookup_type,
+					     use_bcast,
+					     use_bcast?True:recursion_desired,
+					     *bcast,&count, &flags, NULL);
+		}
+	}
+
+	if (!ip_list) return False;
+
+	if (give_flags)
+	  d_printf("Flags: %s\n", query_flags(flags));
+
+	for (j=0;j<count;j++) {
+		if (translate_addresses) {
+			struct hostent *host = gethostbyaddr((char *)&ip_list[j], sizeof(ip_list[j]), AF_INET);
+			if (host) {
+				d_printf("%s, ", host -> h_name);
+			}
+		}
+		d_printf("%s %s<%02x>\n",inet_ntoa(ip_list[j]),lookup, lookup_type);
+	}
+
+	/* We can only do find_status if the ip address returned
+	   was valid - ie. name_query returned true.
+	*/
+	if (find_status) {
+		do_node_status(ServerFD, lookup, lookup_type, ip_list[0]);
+	}
+
+	safe_free(ip_list);
+
+	return (ip_list != NULL);
+}
+
+
+/****************************************************************************
+  main program
+****************************************************************************/
+int main(int argc,char *argv[])
+{
+  int opt;
+  unsigned int lookup_type = 0x0;
+  fstring lookup;
+  static BOOL find_master=False;
+  static BOOL lookup_by_ip = False;
+  poptContext pc;
+
+  struct poptOption long_options[] = {
+	  POPT_AUTOHELP
+	  { "broadcast", 'B', POPT_ARG_STRING, NULL, 'B', "Specify address to use for broadcasts", "BROADCAST-ADDRESS" },
+	  { "flags", 'f', POPT_ARG_VAL, &give_flags, True, "List the NMB flags returned" },
+	  { "unicast", 'U', POPT_ARG_STRING, NULL, 'U', "Specify address to use for unicast" },
+	  { "master-browser", 'M', POPT_ARG_VAL, &find_master, True, "Search for a master browser" },
+	  { "recursion", 'R', POPT_ARG_VAL, &recursion_desired, True, "Set recursion desired in package" },
+	  { "status", 'S', POPT_ARG_VAL, &find_status, True, "Lookup node status as well" },
+	  { "translate", 'T', POPT_ARG_NONE, NULL, 'T', "Translate IP addresses into names" },
+	  { "root-port", 'r', POPT_ARG_VAL, &RootPort, True, "Use root port 137 (Win95 only replies to this)" },
+	  { "lookup-by-ip", 'A', POPT_ARG_VAL, &lookup_by_ip, True, "Do a node status on <name> as an IP Address" },
+	  POPT_COMMON_SAMBA
+	  POPT_COMMON_CONNECTION
+	  { 0, 0, 0, 0 }
+  };
+	
+  *lookup = 0;
+
+  setup_logging(argv[0],True);
+
+  pc = poptGetContext("nmblookup", argc, (const char **)argv, long_options, 
+					  POPT_CONTEXT_KEEP_FIRST);
+
+  poptSetOtherOptionHelp(pc, "<NODE> ...");
+
+  while ((opt = poptGetNextOpt(pc)) != -1) {
+	  switch (opt) {
+	  case 'B':
+		  bcast_addr = *interpret_addr2(poptGetOptArg(pc));
+		  got_bcast = True;
+		  use_bcast = True;
+		  break;
+	  case 'U':
+		  bcast_addr = *interpret_addr2(poptGetOptArg(pc));
+		  got_bcast = True;
+		  use_bcast = False;
+		  break;
+	  case 'T':
+		  translate_addresses = !translate_addresses;
+		  break;
+	  }
+  }
+
+  poptGetArg(pc); /* Remove argv[0] */
+
+  if(!poptPeekArg(pc)) { 
+	  poptPrintUsage(pc, stderr, 0);
+	  exit(1);
+  }
+
+  if (!lp_load(dyn_CONFIGFILE,True,False,False)) {
+	  fprintf(stderr, "Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
+  }
+
+  load_interfaces();
+  if (!open_sockets()) return(1);
+
+  while(poptPeekArg(pc))
+  {
+	  char *p;
+	  struct in_addr ip;
+
+	  fstrcpy(lookup,poptGetArg(pc));
+
+	  if(lookup_by_ip)
+	  {
+		  ip = *interpret_addr2(lookup);
+		  fstrcpy(lookup,"*");
+		  do_node_status(ServerFD, lookup, lookup_type, ip);
+		  continue;
+	  }
+
+	  if (find_master) {
+		  if (*lookup == '-') {
+			  fstrcpy(lookup,"\01\02__MSBROWSE__\02");
+			  lookup_type = 1;
+		  } else {
+			  lookup_type = 0x1d;
+		  }
+	  }
+
+	  p = strchr_m(lookup,'#');
+	  if (p) {
+		  *p = '\0';
+		  sscanf(++p,"%x",&lookup_type);
+	  }
+
+	  if (!query_one(lookup, lookup_type)) {
+		  d_printf( "name_query failed to find name %s", lookup );
+		  if( 0 != lookup_type )
+			  d_printf( "#%02x", lookup_type );
+		  d_printf( "\n" );
+	  }
+  }
+
+  poptFreeContext(pc);
+
+  return(0);
+}