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-rw-r--r--source4/utils/config.mk13
-rw-r--r--source4/utils/nmblookup.c466
2 files changed, 239 insertions, 240 deletions
diff --git a/source4/utils/config.mk b/source4/utils/config.mk
index eb2b150af9..c9226f7f70 100644
--- a/source4/utils/config.mk
+++ b/source4/utils/config.mk
@@ -69,3 +69,16 @@ REQUIRED_SUBSYSTEMS = \
NDR_SAMR
# End BINARY setnttoken
#################################
+
+#################################
+# Start BINARY nmblookup
+[BINARY::nmblookup]
+OBJ_FILES = \
+ utils/nmblookup.o
+REQUIRED_SUBSYSTEMS = \
+ CONFIG \
+ LIBCMDLINE \
+ LIBBASIC \
+ LIBCLI_NBT
+# End BINARY nmblookup
+#################################
diff --git a/source4/utils/nmblookup.c b/source4/utils/nmblookup.c
index 4ed4284786..5881b25c79 100644
--- a/source4/utils/nmblookup.c
+++ b/source4/utils/nmblookup.c
@@ -1,7 +1,9 @@
/*
Unix SMB/CIFS implementation.
+
NBT client - used to lookup netbios names
- Copyright (C) Andrew Tridgell 1994-1998
+
+ Copyright (C) Andrew Tridgell 1994-2005
Copyright (C) Jelmer Vernooij 2003 (Conversion to popt)
This program is free software; you can redistribute it and/or modify
@@ -20,280 +22,264 @@
*/
-#define NO_SYSLOG
-
#include "includes.h"
+#include "dynconfig.h"
+#include "libcli/nbt/libnbt.h"
+#include "lib/cmdline/popt_common.h"
+#include "system/iconv.h"
+
+/* command line options */
+static struct {
+ const char *broadcast_address;
+ const char *unicast_address;
+ BOOL find_master;
+ BOOL wins_lookup;
+ BOOL node_status;
+ BOOL root_port;
+ BOOL lookup_by_ip;
+} options;
+
+/*
+ clean any binary from a node name
+*/
+static const char *clean_name(TALLOC_CTX *mem_ctx, const char *name)
+{
+ char *ret = talloc_strdup(mem_ctx, name);
+ int i;
+ for (i=0;ret[i];i++) {
+ if (!isprint(ret[i])) ret[i] = '.';
+ }
+ return ret;
+}
-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)
+/*
+ turn a node status flags field into a string
+*/
+static char *node_status_flags(TALLOC_CTX *mem_ctx, uint16_t flags)
{
- ServerFD = open_socket_in( SOCK_DGRAM,
- (RootPort ? 137 : 0),
- (RootPort ? 0 : 3),
- interpret_addr(lp_socket_address()), True );
+ char *ret;
+ const char *group = " ";
+ const char *type = "B";
- if (ServerFD == -1)
- return(False);
+ if (flags & NBT_NM_GROUP) {
+ group = "<GROUP>";
+ }
- set_socket_options( ServerFD, "SO_BROADCAST" );
+ switch (flags & NBT_NM_OWNER_TYPE) {
+ case NBT_NODE_B:
+ type = "B";
+ break;
+ case NBT_NODE_P:
+ type = "P";
+ break;
+ case NBT_NODE_M:
+ type = "M";
+ break;
+ case NBT_NODE_H:
+ type = "H";
+ break;
+ }
- DEBUG(3, ("Socket opened.\n"));
- return True;
-}
+ ret = talloc_asprintf(mem_ctx, "%s %s", group, type);
-/****************************************************************************
-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> ");
+ if (flags & NBT_NM_DEREGISTER) {
+ ret = talloc_asprintf_append(ret, " <DEREGISTERING>");
+ }
+ if (flags & NBT_NM_CONFLICT) {
+ ret = talloc_asprintf_append(ret, " <CONFLICT>");
+ }
+ if (flags & NBT_NM_ACTIVE) {
+ ret = talloc_asprintf_append(ret, " <ACTIVE>");
+ }
+ if (flags & NBT_NM_PERMANENT) {
+ ret = talloc_asprintf_append(ret, " <PERMANENT>");
+ }
return ret;
}
-/****************************************************************************
-turn the NMB Query flags into a string
-****************************************************************************/
-static char *query_flags(int flags)
+/* do a single node status */
+static void do_node_status(struct nbt_name_socket *nbtsock,
+ const char *addr)
{
- 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;
+ struct nbt_name_status io;
+ NTSTATUS status;
+
+ io.in.name.name = "*";
+ io.in.name.type = 0;
+ io.in.name.scope = NULL;
+ io.in.dest_addr = addr;
+ io.in.timeout = 3;
+
+ status = nbt_name_status(nbtsock, nbtsock, &io);
+ if (NT_STATUS_IS_OK(status)) {
+ int i;
+ printf("Node status reply from %s\n",
+ io.out.reply_from);
+ for (i=0;i<io.out.status.num_names;i++) {
+ d_printf("\t%-16s <%02x> %s\n",
+ clean_name(nbtsock, io.out.status.names[i].name),
+ io.out.status.names[i].type,
+ node_status_flags(nbtsock, io.out.status.names[i].nb_flags));
+ }
+ printf("\n\tMAC Address = %02X-%02X-%02X-%02X-%02X-%02X\n",
+ io.out.status.statistics.unit_id[0],
+ io.out.status.statistics.unit_id[1],
+ io.out.status.statistics.unit_id[2],
+ io.out.status.statistics.unit_id[3],
+ io.out.status.statistics.unit_id[4],
+ io.out.status.statistics.unit_id[5]);
+ }
}
-/****************************************************************************
-do a node status query
-****************************************************************************/
-static void do_node_status(int fd, const char *name, int type, struct in_addr ip)
+/* do a single node query */
+static NTSTATUS do_node_query(struct nbt_name_socket *nbtsock,
+ const char *addr,
+ const char *node_name,
+ enum nbt_name_type node_type,
+ BOOL broadcast)
{
- 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));
+ struct nbt_name_query io;
+ NTSTATUS status;
+
+ io.in.name.name = node_name;
+ io.in.name.type = node_type;
+ io.in.name.scope = NULL;
+ io.in.dest_addr = addr;
+ io.in.broadcast = broadcast;
+ io.in.wins_lookup = options.wins_lookup;
+ io.in.timeout = 3;
+
+ status = nbt_name_query(nbtsock, nbtsock, &io);
+ if (NT_STATUS_IS_OK(status)) {
+ printf("%s %s<%02x>\n",
+ io.out.reply_addr,
+ io.out.name.name,
+ io.out.name.type);
+ if (options.node_status) {
+ do_node_status(nbtsock, io.out.reply_addr);
}
- 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));
}
+
+ return status;
}
-/****************************************************************************
-send out one query
-****************************************************************************/
-static BOOL query_one(const char *lookup, unsigned int lookup_type)
+static void process_one(const char *name)
{
- 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);
+ TALLOC_CTX *tmp_ctx = talloc_new(NULL);
+ enum nbt_name_type node_type = NBT_NAME_CLIENT;
+ char *node_name, *p;
+ struct nbt_name_socket *nbtsock;
+
+ if (options.find_master) {
+ node_type = NBT_NAME_MASTER;
+ if (*name == '-') {
+ name = "\01\02__MSBROWSE__\02";
+ node_type = NBT_NAME_MS;
}
}
- if (!ip_list) return False;
+ p = strchr(name, '#');
+ if (p) {
+ node_name = talloc_strndup(tmp_ctx, name, PTR_DIFF(p,name));
+ node_type = (enum nbt_name_type)strtol(p+1, NULL, 16);
+ } else {
+ node_name = talloc_strdup(tmp_ctx, name);
+ }
- if (give_flags)
- d_printf("Flags: %s\n", query_flags(flags));
+ nbtsock = nbt_name_socket_init(tmp_ctx, NULL);
- 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);
- }
+ if (options.root_port) {
+ NTSTATUS status;
+ status = socket_listen(nbtsock->sock, "0.0.0.0", NBT_NAME_SERVICE_PORT, 0, 0);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("Failed to bind to local port 137 - %s\n", nt_errstr(status));
+ return;
}
- 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]);
+ if (options.lookup_by_ip) {
+ do_node_status(nbtsock, name);
+ talloc_free(tmp_ctx);
+ return;
}
- safe_free(ip_list);
-
- return (ip_list != NULL);
-}
+ if (options.broadcast_address) {
+ do_node_query(nbtsock, options.broadcast_address, node_name, node_type, True);
+ } else if (options.unicast_address) {
+ do_node_query(nbtsock, options.unicast_address, node_name, node_type, False);
+ } else {
+ int i, num_interfaces = iface_count();
+ for (i=0;i<num_interfaces;i++) {
+ const char *bcast = sys_inet_ntoa(*iface_n_bcast(i));
+ NTSTATUS status = do_node_query(nbtsock, bcast, node_name, node_type, True);
+ if (NT_STATUS_IS_OK(status)) break;
+ }
+ }
+ talloc_free(tmp_ctx);
+ }
-/****************************************************************************
+/*
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 }
- };
+ poptContext pc;
+ struct poptOption long_options[] = {
+ POPT_AUTOHELP
+ { "broadcast", 'B', POPT_ARG_STRING, &options.broadcast_address,
+ 'B', "Specify address to use for broadcasts", "BROADCAST-ADDRESS" },
+
+ { "unicast", 'U', POPT_ARG_STRING, &options.unicast_address,
+ 'U', "Specify address to use for unicast" },
+
+ { "master-browser", 'M', POPT_ARG_VAL, &options.find_master,
+ True, "Search for a master browser" },
+
+ { "wins", 'W', POPT_ARG_VAL, &options.wins_lookup, True, "Do a WINS lookup" },
+
+ { "status", 'S', POPT_ARG_VAL, &options.node_status,
+ True, "Lookup node status as well" },
+
+ { "root-port", 'r', POPT_ARG_VAL, &options.root_port,
+ True, "Use root port 137 (Win95 only replies to this)" },
+
+ { "lookup-by-ip", 'A', POPT_ARG_VAL, &options.lookup_by_ip,
+ True, "Do a node status on <name> as an IP Address" },
+
+ POPT_COMMON_SAMBA
+ { 0, 0, 0, 0 }
+ };
+
+ setup_logging(argv[0], True);
+
+ pc = poptGetContext("nmblookup", argc, (const char **)argv, long_options,
+ POPT_CONTEXT_KEEP_FIRST);
- *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);
+ poptSetOtherOptionHelp(pc, "<NODE> ...");
+
+ while ((poptGetNextOpt(pc) != -1)) /* noop */ ;
+
+ /* swallow argv[0] */
+ poptGetArg(pc);
+
+ if(!poptPeekArg(pc)) {
+ poptPrintUsage(pc, stderr, 0);
+ exit(1);
+ }
+
+ lp_load(dyn_CONFIGFILE,True,False,False);
+ load_interfaces();
+
+ while (poptPeekArg(pc)) {
+ const char *name = poptGetArg(pc);
+
+ process_one(name);
+ }
+
+ poptFreeContext(pc);
+
+ return 0;
}
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