first public release of samba4 code

(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)

1 files changed, 338 insertions, 0 deletions

diff --git a/source4/utils/nmblookup.c b/source4/utils/nmblookup.c
new file mode 100644
index 0000000000..143d2ddd12
--- /dev/null
+++ b/source4/utils/nmblookup.c
@@ -0,0 +1,338 @@
+/* 
+   Unix SMB/CIFS implementation.
+   NBT client - used to lookup netbios names
+   Copyright (C) Andrew Tridgell 1994-1998
+   
+   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.
+   
+*/
+
+#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;
+}
+
+
+/****************************************************************************
+usage on the program
+****************************************************************************/
+static void usage(void)
+{
+  d_printf("Usage: nmblookup [options] name\n");
+  d_printf("Version %s\n",VERSION);
+  d_printf("\t-d debuglevel         set the debuglevel\n");
+  d_printf("\t-B broadcast address  the address to use for broadcasts\n");
+  d_printf("\t-f                    list the NMB flags returned\n");
+  d_printf("\t-U unicast   address  the address to use for unicast\n");
+  d_printf("\t-M                    searches for a master browser\n");
+  d_printf("\t-R                    set recursion desired in packet\n");
+  d_printf("\t-S                    lookup node status as well\n");
+  d_printf("\t-T                    translate IP addresses into names\n");
+  d_printf("\t-r                    Use root port 137 (Win95 only replies to this)\n");
+  d_printf("\t-A                    Do a node status on <name> as an IP Address\n");
+  d_printf("\t-i NetBIOS scope      Use the given NetBIOS scope for name queries\n");
+  d_printf("\t-s smb.conf file      Use the given path to the smb.conf file\n");
+  d_printf("\t-h                    Print this help message.\n");
+  d_printf("\n  If you specify -M and name is \"-\", nmblookup looks up __MSBROWSE__<01>\n");
+  d_printf("\n");
+}
+
+/****************************************************************************
+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;
+	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);
+	if (status) {
+		for (i=0;i<count;i++) {
+			fstrcpy(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));
+		}
+		SAFE_FREE(status);
+	}
+	d_printf("\n");
+}
+
+
+/****************************************************************************
+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;
+  extern int optind;
+  extern char *optarg;
+  BOOL find_master=False;
+  int i;
+  BOOL lookup_by_ip = False;
+  int commandline_debuglevel = -2;
+
+  DEBUGLEVEL = 1;
+  /* Prevent smb.conf setting from overridding */
+  AllowDebugChange = False;
+
+  *lookup = 0;
+
+  setup_logging(argv[0],True);
+
+  while ((opt = getopt(argc, argv, "d:fB:U:i:s:SMrhART")) != EOF)
+    switch (opt)
+      {
+      case 'B':
+	bcast_addr = *interpret_addr2(optarg);
+	got_bcast = True;
+	use_bcast = True;
+	break;
+      case 'f':
+	give_flags = True;
+	break;
+      case 'U':
+	bcast_addr = *interpret_addr2(optarg);
+	got_bcast = True;
+	use_bcast = False;
+	break;
+      case 'T':
+        translate_addresses = !translate_addresses;
+	break;
+      case 'i':
+	      lp_set_cmdline("netbios scope", optarg);
+	break;
+      case 'M':
+	find_master = True;
+	break;
+      case 'S':
+	find_status = True;
+	break;
+      case 'R':
+	recursion_desired = True;
+	break;
+      case 'd':
+	commandline_debuglevel = DEBUGLEVEL = atoi(optarg);
+	break;
+      case 's':
+	pstrcpy(dyn_CONFIGFILE, optarg);
+	break;
+      case 'r':
+        RootPort = True;
+        break;
+      case 'h':
+	usage();
+	exit(0);
+	break;
+      case 'A':
+        lookup_by_ip = True;
+        break;
+      default:
+	usage();
+	exit(1);
+      }
+
+  if (argc < 2) {
+    usage();
+    exit(1);
+  }
+
+  if (!lp_load(dyn_CONFIGFILE,True,False,False)) {
+    fprintf(stderr, "Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
+  }
+
+  /*
+   * Ensure we reset DEBUGLEVEL if someone specified it
+   * on the command line.
+   */
+
+  if(commandline_debuglevel != -2)
+    DEBUGLEVEL = commandline_debuglevel;
+
+  load_interfaces();
+  if (!open_sockets()) return(1);
+
+  for (i=optind;i<argc;i++)
+  {
+      char *p;
+      struct in_addr ip;
+
+      fstrcpy(lookup,argv[i]);
+
+      if(lookup_by_ip)
+      {
+        fstrcpy(lookup,"*");
+        ip = *interpret_addr2(argv[i]);
+	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" );
+      }
+  }
+  
+  return(0);
+}