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-rw-r--r--libcli/nbt/tools/nmblookup.c477
1 files changed, 477 insertions, 0 deletions
diff --git a/libcli/nbt/tools/nmblookup.c b/libcli/nbt/tools/nmblookup.c
new file mode 100644
index 0000000..6ca38fa
--- /dev/null
+++ b/libcli/nbt/tools/nmblookup.c
@@ -0,0 +1,477 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ NBT client - used to lookup netbios names
+
+ 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
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 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, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "includes.h"
+#include "lib/cmdline/cmdline.h"
+#include "lib/socket/socket.h"
+#include "lib/events/events.h"
+#include "system/network.h"
+#include "system/locale.h"
+#include "lib/socket/netif.h"
+#include "librpc/gen_ndr/nbt.h"
+#include "../libcli/nbt/libnbt.h"
+#include "param/param.h"
+
+#include <string.h>
+
+#define MAX_NETBIOSNAME_LEN 16
+
+/* 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;
+ bool case_sensitive;
+} 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((unsigned char)ret[i])) ret[i] = '.';
+ }
+ return ret;
+}
+
+/*
+ turn a node status flags field into a string
+*/
+static char *node_status_flags(TALLOC_CTX *mem_ctx, uint16_t flags)
+{
+ char *ret;
+ const char *group = " ";
+ const char *type = "B";
+
+ if (flags & NBT_NM_GROUP) {
+ group = "<GROUP>";
+ }
+
+ 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;
+ }
+
+ ret = talloc_asprintf(mem_ctx, "%s %s", group, type);
+
+ if (flags & NBT_NM_DEREGISTER) {
+ ret = talloc_asprintf_append_buffer(ret, " <DEREGISTERING>");
+ }
+ if (flags & NBT_NM_CONFLICT) {
+ ret = talloc_asprintf_append_buffer(ret, " <CONFLICT>");
+ }
+ if (flags & NBT_NM_ACTIVE) {
+ ret = talloc_asprintf_append_buffer(ret, " <ACTIVE>");
+ }
+ if (flags & NBT_NM_PERMANENT) {
+ ret = talloc_asprintf_append_buffer(ret, " <PERMANENT>");
+ }
+
+ return ret;
+}
+
+/* do a single node status */
+static bool do_node_status(struct nbt_name_socket *nbtsock,
+ const char *addr, uint16_t port)
+{
+ struct nbt_name_status io;
+ NTSTATUS status;
+
+ io.in.name.name = "*";
+ io.in.name.type = NBT_NAME_CLIENT;
+ io.in.name.scope = NULL;
+ io.in.dest_addr = addr;
+ io.in.dest_port = port;
+ io.in.timeout = 1;
+ io.in.retries = 2;
+
+ 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]);
+ return true;
+ }
+
+ return false;
+}
+
+/* do a single node query */
+static NTSTATUS do_node_query(struct nbt_name_socket *nbtsock,
+ const char *addr,
+ uint16_t port,
+ const char *node_name,
+ enum nbt_name_type node_type,
+ bool broadcast)
+{
+ struct nbt_name_query io;
+ NTSTATUS status;
+ int i;
+
+ io.in.name.name = node_name;
+ io.in.name.type = node_type;
+ io.in.name.scope = NULL;
+ io.in.dest_addr = addr;
+ io.in.dest_port = port;
+ io.in.broadcast = broadcast;
+ io.in.wins_lookup = options.wins_lookup;
+ io.in.timeout = 1;
+ io.in.retries = 2;
+
+ status = nbt_name_query(nbtsock, nbtsock, &io);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ for (i=0;i<io.out.num_addrs;i++) {
+ printf("%s %s<%02x>\n",
+ io.out.reply_addrs[i],
+ io.out.name.name,
+ io.out.name.type);
+ }
+ if (options.node_status && io.out.num_addrs > 0) {
+ do_node_status(nbtsock, io.out.reply_addrs[0], port);
+ }
+
+ return status;
+}
+
+
+static bool process_one(struct loadparm_context *lp_ctx, struct tevent_context *ev,
+ struct interface *ifaces, const char *name, int nbt_port)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(NULL);
+ enum nbt_name_type node_type = NBT_NAME_CLIENT;
+ char *node_name, *p;
+ struct socket_address *all_zero_addr;
+ struct nbt_name_socket *nbtsock;
+ NTSTATUS status = NT_STATUS_OK;
+ size_t nbt_len;
+ bool ret = true;
+
+ if (!options.case_sensitive) {
+ name = strupper_talloc(tmp_ctx, name);
+ }
+
+ if (options.find_master) {
+ node_type = NBT_NAME_MASTER;
+ if (*name == '-' || *name == '_') {
+ name = "\01\02__MSBROWSE__\02";
+ node_type = NBT_NAME_MS;
+ }
+ }
+
+ 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);
+ }
+
+ nbt_len = strlen(node_name);
+ if (nbt_len > MAX_NETBIOSNAME_LEN - 1) {
+ printf("The specified netbios name [%s] is too long.\n",
+ node_name);
+ talloc_free(tmp_ctx);
+ return false;
+ }
+
+ nbtsock = nbt_name_socket_init(tmp_ctx, ev);
+
+ if (options.root_port) {
+ all_zero_addr = socket_address_from_strings(tmp_ctx, nbtsock->sock->backend_name,
+ "0.0.0.0", NBT_NAME_SERVICE_PORT);
+
+ if (!all_zero_addr) {
+ talloc_free(tmp_ctx);
+ return false;
+ }
+
+ status = socket_listen(nbtsock->sock, all_zero_addr, 0, 0);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("Failed to bind to local port 137 - %s\n", nt_errstr(status));
+ talloc_free(tmp_ctx);
+ return false;
+ }
+ }
+
+ if (options.lookup_by_ip) {
+ ret = do_node_status(nbtsock, name, nbt_port);
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ if (options.broadcast_address) {
+ status = do_node_query(nbtsock, options.broadcast_address, nbt_port,
+ node_name, node_type, true);
+ } else if (options.unicast_address) {
+ status = do_node_query(nbtsock, options.unicast_address,
+ nbt_port, node_name, node_type, false);
+ } else {
+ int i, num_interfaces;
+
+ num_interfaces = iface_list_count(ifaces);
+ for (i=0;i<num_interfaces;i++) {
+ const char *bcast = iface_list_n_bcast(ifaces, i);
+ if (bcast == NULL) continue;
+ status = do_node_query(nbtsock, bcast, nbt_port,
+ node_name, node_type, true);
+ if (NT_STATUS_IS_OK(status)) break;
+ }
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("Lookup failed - %s\n", nt_errstr(status));
+ ret = false;
+ }
+
+ talloc_free(tmp_ctx);
+ return ret;
+}
+
+/*
+ main program
+*/
+int main(int argc, const char *argv[])
+{
+ bool ret = true;
+ struct interface *ifaces;
+ struct tevent_context *ev;
+ poptContext pc;
+ int opt;
+ struct loadparm_context *lp_ctx = NULL;
+ TALLOC_CTX *mem_ctx = NULL;
+ bool ok;
+ enum {
+ OPT_BROADCAST_ADDRESS = 1000,
+ OPT_UNICAST_ADDRESS,
+ OPT_FIND_MASTER,
+ OPT_WINS_LOOKUP,
+ OPT_NODE_STATUS,
+ OPT_ROOT_PORT,
+ OPT_LOOKUP_BY_IP,
+ OPT_CASE_SENSITIVE
+ };
+ struct poptOption long_options[] = {
+ POPT_AUTOHELP
+ {
+ .longName = "broadcast",
+ .shortName = 'B',
+ .argInfo = POPT_ARG_STRING,
+ .arg = NULL,
+ .val = OPT_BROADCAST_ADDRESS,
+ .descrip = "Specify address to use for broadcasts",
+ .argDescrip = "BROADCAST-ADDRESS"
+ },
+ {
+ .longName = "unicast",
+ .shortName = 'U',
+ .argInfo = POPT_ARG_STRING,
+ .arg = NULL,
+ .val = OPT_UNICAST_ADDRESS,
+ .descrip = "Specify address to use for unicast",
+ .argDescrip = NULL
+ },
+ {
+ .longName = "master-browser",
+ .shortName = 'M',
+ .argInfo = POPT_ARG_NONE,
+ .arg = NULL,
+ .val = OPT_FIND_MASTER,
+ .descrip = "Search for a master browser",
+ .argDescrip = NULL
+ },
+ {
+ .longName = "wins",
+ .shortName = 'W',
+ .argInfo = POPT_ARG_NONE,
+ .arg = NULL,
+ .val = OPT_WINS_LOOKUP,
+ .descrip = "Do a WINS lookup",
+ .argDescrip = NULL
+ },
+ {
+ .longName = "status",
+ .shortName = 'S',
+ .argInfo = POPT_ARG_NONE,
+ .arg = NULL,
+ .val = OPT_NODE_STATUS,
+ .descrip = "Lookup node status as well",
+ .argDescrip = NULL
+ },
+ {
+ .longName = "root-port",
+ .shortName = 'r',
+ .argInfo = POPT_ARG_NONE,
+ .arg = NULL,
+ .val = OPT_ROOT_PORT,
+ .descrip = "Use root port 137 (Win95 only replies to this)",
+ .argDescrip = NULL
+ },
+ {
+ .longName = "lookup-by-ip",
+ .shortName = 'A',
+ .argInfo = POPT_ARG_NONE,
+ .arg = NULL,
+ .val = OPT_LOOKUP_BY_IP,
+ .descrip = "Do a node status on <name> as an IP Address",
+ .argDescrip = NULL
+ },
+ {
+ .longName = "case-sensitive",
+ .shortName = 0,
+ .argInfo = POPT_ARG_NONE,
+ .arg = NULL,
+ .val = OPT_CASE_SENSITIVE,
+ .descrip = "Don't uppercase the name before sending",
+ .argDescrip = NULL
+ },
+ POPT_COMMON_SAMBA
+ POPT_COMMON_VERSION
+ POPT_TABLEEND
+ };
+
+ mem_ctx = talloc_init("nmblookup.c/main");
+ if (mem_ctx == NULL) {
+ exit(ENOMEM);
+ }
+
+ ok = samba_cmdline_init(mem_ctx,
+ SAMBA_CMDLINE_CONFIG_CLIENT,
+ false /* require_smbconf */);
+ if (!ok) {
+ DBG_ERR("Failed to init cmdline parser!\n");
+ TALLOC_FREE(mem_ctx);
+ exit(1);
+ }
+
+ pc = samba_popt_get_context(getprogname(),
+ argc,
+ argv,
+ long_options,
+ POPT_CONTEXT_KEEP_FIRST);
+ if (pc == NULL) {
+ DBG_ERR("Failed to setup popt context!\n");
+ TALLOC_FREE(mem_ctx);
+ exit(1);
+ }
+
+ poptSetOtherOptionHelp(pc, "<NODE> ...");
+
+ while ((opt = poptGetNextOpt(pc)) != -1) {
+ switch(opt) {
+ case OPT_BROADCAST_ADDRESS:
+ options.broadcast_address = poptGetOptArg(pc);
+ break;
+ case OPT_UNICAST_ADDRESS:
+ options.unicast_address = poptGetOptArg(pc);
+ break;
+ case OPT_FIND_MASTER:
+ options.find_master = true;
+ break;
+ case OPT_WINS_LOOKUP:
+ options.wins_lookup = true;
+ break;
+ case OPT_NODE_STATUS:
+ options.node_status = true;
+ break;
+ case OPT_ROOT_PORT:
+ options.root_port = true;
+ break;
+ case OPT_LOOKUP_BY_IP:
+ options.lookup_by_ip = true;
+ break;
+ case OPT_CASE_SENSITIVE:
+ options.case_sensitive = true;
+ break;
+ case POPT_ERROR_BADOPT:
+ fprintf(stderr, "\nInvalid option %s: %s\n\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ poptPrintUsage(pc, stderr, 0);
+ exit(1);
+ }
+ }
+
+ /* swallow argv[0] */
+ poptGetArg(pc);
+
+ if(!poptPeekArg(pc)) {
+ poptPrintUsage(pc, stderr, 0);
+ TALLOC_FREE(mem_ctx);
+ exit(1);
+ }
+
+ lp_ctx = samba_cmdline_get_lp_ctx();
+
+ load_interface_list(mem_ctx, lp_ctx, &ifaces);
+
+ ev = s4_event_context_init(mem_ctx);
+
+ while (poptPeekArg(pc)) {
+ const char *name = poptGetArg(pc);
+
+ ret &= process_one(lp_ctx,
+ ev,
+ ifaces,
+ name,
+ lpcfg_nbt_port(lp_ctx));
+ }
+
+ poptFreeContext(pc);
+ TALLOC_FREE(mem_ctx);
+
+ if (!ret) {
+ return 1;
+ }
+
+ return 0;
+}
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