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authorGünther Deschner <gd@samba.org>2008-09-23 06:58:17 +0200
committerGünther Deschner <gd@samba.org>2008-09-23 09:37:24 +0200
commit6f33f3e4c26564602d5d13c7459938955b56a16e (patch)
treefeb713280e1bb12228b2982db5123158b4faabae /libcli
parentbe8b72dd5541182e24f522026bafbaef044a47e3 (diff)
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s4-nbt: move libcli/nbt up one level.
Guenther
Diffstat (limited to 'libcli')
-rw-r--r--libcli/nbt/libnbt.h351
-rw-r--r--libcli/nbt/namequery.c235
-rw-r--r--libcli/nbt/namerefresh.c302
-rw-r--r--libcli/nbt/nameregister.c442
-rw-r--r--libcli/nbt/namerelease.c135
-rw-r--r--libcli/nbt/nbtname.c648
-rw-r--r--libcli/nbt/nbtsocket.c521
-rw-r--r--libcli/nbt/pynbt.c408
8 files changed, 3042 insertions, 0 deletions
diff --git a/libcli/nbt/libnbt.h b/libcli/nbt/libnbt.h
new file mode 100644
index 0000000000..4ef4e9d60d
--- /dev/null
+++ b/libcli/nbt/libnbt.h
@@ -0,0 +1,351 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ a raw async NBT library
+
+ Copyright (C) Andrew Tridgell 2005
+
+ 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/>.
+*/
+
+#ifndef __LIBNBT_H__
+#define __LIBNBT_H__
+
+#include "librpc/gen_ndr/nbt.h"
+#include "librpc/ndr/libndr.h"
+
+/*
+ possible states for pending requests
+*/
+enum nbt_request_state {NBT_REQUEST_SEND,
+ NBT_REQUEST_WAIT,
+ NBT_REQUEST_DONE,
+ NBT_REQUEST_TIMEOUT,
+ NBT_REQUEST_ERROR};
+
+/*
+ a nbt name request
+*/
+struct nbt_name_request {
+ struct nbt_name_request *next, *prev;
+
+ enum nbt_request_state state;
+
+ NTSTATUS status;
+
+ /* the socket this was on */
+ struct nbt_name_socket *nbtsock;
+
+ /* where to send the request */
+ struct socket_address *dest;
+
+ /* timeout between retries */
+ int timeout;
+
+ /* how many retries to send on timeout */
+ int num_retries;
+
+ /* whether we have received a WACK */
+ bool received_wack;
+
+ /* the timeout event */
+ struct timed_event *te;
+
+ /* the name transaction id */
+ uint16_t name_trn_id;
+
+ /* is it a reply? */
+ bool is_reply;
+
+ /* the encoded request */
+ DATA_BLOB encoded;
+
+ /* shall we allow multiple replies? */
+ bool allow_multiple_replies;
+
+ unsigned int num_replies;
+ struct nbt_name_reply {
+ struct nbt_name_packet *packet;
+ struct socket_address *dest;
+ } *replies;
+
+ /* information on what to do on completion */
+ struct {
+ void (*fn)(struct nbt_name_request *);
+ void *private_data;
+ } async;
+};
+
+
+
+/*
+ context structure for operations on name queries
+*/
+struct nbt_name_socket {
+ struct socket_context *sock;
+ struct event_context *event_ctx;
+ struct smb_iconv_convenience *iconv_convenience;
+
+ /* a queue of requests pending to be sent */
+ struct nbt_name_request *send_queue;
+
+ /* the fd event */
+ struct fd_event *fde;
+
+ /* mapping from name_trn_id to pending event */
+ struct idr_context *idr;
+
+ /* how many requests are waiting for a reply */
+ uint16_t num_pending;
+
+ /* what to do with incoming request packets */
+ struct {
+ void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
+ struct socket_address *);
+ void *private_data;
+ } incoming;
+
+ /* what to do with unexpected replies */
+ struct {
+ void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
+ struct socket_address *);
+ void *private_data;
+ } unexpected;
+};
+
+
+/* a simple name query */
+struct nbt_name_query {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ bool broadcast;
+ bool wins_lookup;
+ int timeout; /* in seconds */
+ int retries;
+ } in;
+ struct {
+ const char *reply_from;
+ struct nbt_name name;
+ int16_t num_addrs;
+ const char **reply_addrs;
+ } out;
+};
+
+/* a simple name status query */
+struct nbt_name_status {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ int timeout; /* in seconds */
+ int retries;
+ } in;
+ struct {
+ const char *reply_from;
+ struct nbt_name name;
+ struct nbt_rdata_status status;
+ } out;
+};
+
+/* a name registration request */
+struct nbt_name_register {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ const char *address;
+ uint16_t nb_flags;
+ bool register_demand;
+ bool broadcast;
+ bool multi_homed;
+ uint32_t ttl;
+ int timeout; /* in seconds */
+ int retries;
+ } in;
+ struct {
+ const char *reply_from;
+ struct nbt_name name;
+ const char *reply_addr;
+ uint8_t rcode;
+ } out;
+};
+
+/* a send 3 times then demand name broadcast name registration */
+struct nbt_name_register_bcast {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ const char *address;
+ uint16_t nb_flags;
+ uint32_t ttl;
+ } in;
+};
+
+
+/* wins name register with multiple wins servers to try and multiple
+ addresses to register */
+struct nbt_name_register_wins {
+ struct {
+ struct nbt_name name;
+ const char **wins_servers;
+ uint16_t wins_port;
+ const char **addresses;
+ uint16_t nb_flags;
+ uint32_t ttl;
+ } in;
+ struct {
+ const char *wins_server;
+ uint8_t rcode;
+ } out;
+};
+
+
+
+/* a name refresh request */
+struct nbt_name_refresh {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ const char *address;
+ uint16_t nb_flags;
+ bool broadcast;
+ uint32_t ttl;
+ int timeout; /* in seconds */
+ int retries;
+ } in;
+ struct {
+ const char *reply_from;
+ struct nbt_name name;
+ const char *reply_addr;
+ uint8_t rcode;
+ } out;
+};
+
+/* wins name refresh with multiple wins servers to try and multiple
+ addresses to register */
+struct nbt_name_refresh_wins {
+ struct {
+ struct nbt_name name;
+ const char **wins_servers;
+ uint16_t wins_port;
+ const char **addresses;
+ uint16_t nb_flags;
+ uint32_t ttl;
+ } in;
+ struct {
+ const char *wins_server;
+ uint8_t rcode;
+ } out;
+};
+
+
+/* a name release request */
+struct nbt_name_release {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ const char *address;
+ uint16_t nb_flags;
+ bool broadcast;
+ int timeout; /* in seconds */
+ int retries;
+ } in;
+ struct {
+ const char *reply_from;
+ struct nbt_name name;
+ const char *reply_addr;
+ uint8_t rcode;
+ } out;
+};
+
+struct nbt_name_socket *nbt_name_socket_init(TALLOC_CTX *mem_ctx,
+ struct event_context *event_ctx,
+ struct smb_iconv_convenience *iconv_convenience);
+struct nbt_name_request *nbt_name_query_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_query *io);
+NTSTATUS nbt_name_query_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_query *io);
+NTSTATUS nbt_name_query(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_query *io);
+struct nbt_name_request *nbt_name_status_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_status *io);
+NTSTATUS nbt_name_status_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_status *io);
+NTSTATUS nbt_name_status(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_status *io);
+
+NTSTATUS nbt_name_dup(TALLOC_CTX *mem_ctx, struct nbt_name *name, struct nbt_name *newname);
+NTSTATUS nbt_name_to_blob(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, DATA_BLOB *blob, struct nbt_name *name);
+NTSTATUS nbt_name_from_blob(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, struct nbt_name *name);
+void nbt_choose_called_name(TALLOC_CTX *mem_ctx, struct nbt_name *n, const char *name, int type);
+char *nbt_name_string(TALLOC_CTX *mem_ctx, const struct nbt_name *name);
+NTSTATUS nbt_name_register(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_register *io);
+NTSTATUS nbt_name_refresh(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_refresh *io);
+NTSTATUS nbt_name_release(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_release *io);
+NTSTATUS nbt_name_register_wins(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx,
+ struct nbt_name_register_wins *io);
+NTSTATUS nbt_name_refresh_wins(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx,
+ struct nbt_name_refresh_wins *io);
+NTSTATUS nbt_name_register_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_register *io);
+struct nbt_name_request *nbt_name_register_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_register *io);
+NTSTATUS nbt_name_release_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_release *io);
+
+struct nbt_name_request *nbt_name_release_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_release *io);
+
+NTSTATUS nbt_name_refresh_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_refresh *io);
+
+NTSTATUS nbt_set_incoming_handler(struct nbt_name_socket *nbtsock,
+ void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
+ struct socket_address *),
+ void *private_data);
+NTSTATUS nbt_name_reply_send(struct nbt_name_socket *nbtsock,
+ struct socket_address *dest,
+ struct nbt_name_packet *request);
+
+
+NDR_SCALAR_PROTO(wrepl_nbt_name, const struct nbt_name *);
+NDR_SCALAR_PROTO(nbt_string, const char *);
+NDR_BUFFER_PROTO(nbt_name, struct nbt_name);
+NTSTATUS nbt_rcode_to_ntstatus(uint8_t rcode);
+
+struct composite_context;
+struct composite_context *nbt_name_register_bcast_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_register_bcast *io);
+NTSTATUS nbt_name_register_bcast_recv(struct composite_context *c);
+struct composite_context *nbt_name_register_wins_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_register_wins *io);
+NTSTATUS nbt_name_refresh_wins_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
+ struct nbt_name_refresh_wins *io);
+struct composite_context *nbt_name_refresh_wins_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_refresh_wins *io);
+NTSTATUS nbt_name_register_wins_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
+ struct nbt_name_register_wins *io);
+
+
+#endif /* __LIBNBT_H__ */
diff --git a/libcli/nbt/namequery.c b/libcli/nbt/namequery.c
new file mode 100644
index 0000000000..ed3d8a2492
--- /dev/null
+++ b/libcli/nbt/namequery.c
@@ -0,0 +1,235 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ make nbt name query requests
+
+ Copyright (C) Andrew Tridgell 2005
+
+ 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 "../libcli/nbt/libnbt.h"
+#include "../libcli/nbt/nbt_proto.h"
+#include "lib/socket/socket.h"
+#include "param/param.h"
+
+/**
+ send a nbt name query
+*/
+_PUBLIC_ struct nbt_name_request *nbt_name_query_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_query *io)
+{
+ struct nbt_name_request *req;
+ struct nbt_name_packet *packet;
+ struct socket_address *dest;
+
+ packet = talloc_zero(nbtsock, struct nbt_name_packet);
+ if (packet == NULL) return NULL;
+
+ packet->qdcount = 1;
+ packet->operation = NBT_OPCODE_QUERY;
+ if (io->in.broadcast) {
+ packet->operation |= NBT_FLAG_BROADCAST;
+ }
+ if (io->in.wins_lookup) {
+ packet->operation |= NBT_FLAG_RECURSION_DESIRED;
+ }
+
+ packet->questions = talloc_array(packet, struct nbt_name_question, 1);
+ if (packet->questions == NULL) goto failed;
+
+ packet->questions[0].name = io->in.name;
+ packet->questions[0].question_type = NBT_QTYPE_NETBIOS;
+ packet->questions[0].question_class = NBT_QCLASS_IP;
+
+ dest = socket_address_from_strings(packet, nbtsock->sock->backend_name,
+ io->in.dest_addr, io->in.dest_port);
+ if (dest == NULL) goto failed;
+ req = nbt_name_request_send(nbtsock, dest, packet,
+ io->in.timeout, io->in.retries, false);
+ if (req == NULL) goto failed;
+
+ talloc_free(packet);
+ return req;
+
+failed:
+ talloc_free(packet);
+ return NULL;
+}
+
+/**
+ wait for a name query reply
+*/
+_PUBLIC_ NTSTATUS nbt_name_query_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_query *io)
+{
+ NTSTATUS status;
+ struct nbt_name_packet *packet;
+ int i;
+
+ status = nbt_name_request_recv(req);
+ if (!NT_STATUS_IS_OK(status) ||
+ req->num_replies == 0) {
+ talloc_free(req);
+ return status;
+ }
+
+ packet = req->replies[0].packet;
+ io->out.reply_from = talloc_steal(mem_ctx, req->replies[0].dest->addr);
+
+ if ((packet->operation & NBT_RCODE) != 0) {
+ status = nbt_rcode_to_ntstatus(packet->operation & NBT_RCODE);
+ talloc_free(req);
+ return status;
+ }
+
+ if (packet->ancount != 1 ||
+ packet->answers[0].rr_type != NBT_QTYPE_NETBIOS ||
+ packet->answers[0].rr_class != NBT_QCLASS_IP) {
+ talloc_free(req);
+ return status;
+ }
+
+ io->out.name = packet->answers[0].name;
+ io->out.num_addrs = packet->answers[0].rdata.netbios.length / 6;
+ io->out.reply_addrs = talloc_array(mem_ctx, const char *, io->out.num_addrs+1);
+ if (io->out.reply_addrs == NULL) {
+ talloc_free(req);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ for (i=0;i<io->out.num_addrs;i++) {
+ io->out.reply_addrs[i] = talloc_steal(io->out.reply_addrs,
+ packet->answers[0].rdata.netbios.addresses[i].ipaddr);
+ }
+ io->out.reply_addrs[i] = NULL;
+
+ talloc_steal(mem_ctx, io->out.name.name);
+ talloc_steal(mem_ctx, io->out.name.scope);
+
+ talloc_free(req);
+
+ return NT_STATUS_OK;
+}
+
+/**
+ wait for a name query reply
+*/
+_PUBLIC_ NTSTATUS nbt_name_query(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_query *io)
+{
+ struct nbt_name_request *req = nbt_name_query_send(nbtsock, io);
+ return nbt_name_query_recv(req, mem_ctx, io);
+}
+
+
+/**
+ send a nbt name status
+*/
+_PUBLIC_ struct nbt_name_request *nbt_name_status_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_status *io)
+{
+ struct nbt_name_request *req;
+ struct nbt_name_packet *packet;
+ struct socket_address *dest;
+
+ packet = talloc_zero(nbtsock, struct nbt_name_packet);
+ if (packet == NULL) return NULL;
+
+ packet->qdcount = 1;
+ packet->operation = NBT_OPCODE_QUERY;
+
+ packet->questions = talloc_array(packet, struct nbt_name_question, 1);
+ if (packet->questions == NULL) goto failed;
+
+ packet->questions[0].name = io->in.name;
+ packet->questions[0].question_type = NBT_QTYPE_STATUS;
+ packet->questions[0].question_class = NBT_QCLASS_IP;
+
+ dest = socket_address_from_strings(packet, nbtsock->sock->backend_name,
+ io->in.dest_addr, io->in.dest_port);
+ if (dest == NULL) goto failed;
+ req = nbt_name_request_send(nbtsock, dest, packet,
+ io->in.timeout, io->in.retries, false);
+ if (req == NULL) goto failed;
+
+ talloc_free(packet);
+ return req;
+
+failed:
+ talloc_free(packet);
+ return NULL;
+}
+
+/**
+ wait for a name status reply
+*/
+_PUBLIC_ NTSTATUS nbt_name_status_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_status *io)
+{
+ NTSTATUS status;
+ struct nbt_name_packet *packet;
+ int i;
+
+ status = nbt_name_request_recv(req);
+ if (!NT_STATUS_IS_OK(status) ||
+ req->num_replies == 0) {
+ talloc_free(req);
+ return status;
+ }
+
+ packet = req->replies[0].packet;
+ io->out.reply_from = talloc_steal(mem_ctx, req->replies[0].dest->addr);
+
+ if ((packet->operation & NBT_RCODE) != 0) {
+ status = nbt_rcode_to_ntstatus(packet->operation & NBT_RCODE);
+ talloc_free(req);
+ return status;
+ }
+
+ if (packet->ancount != 1 ||
+ packet->answers[0].rr_type != NBT_QTYPE_STATUS ||
+ packet->answers[0].rr_class != NBT_QCLASS_IP) {
+ talloc_free(req);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ io->out.name = packet->answers[0].name;
+ talloc_steal(mem_ctx, io->out.name.name);
+ talloc_steal(mem_ctx, io->out.name.scope);
+
+ io->out.status = packet->answers[0].rdata.status;
+ talloc_steal(mem_ctx, io->out.status.names);
+ for (i=0;i<io->out.status.num_names;i++) {
+ talloc_steal(io->out.status.names, io->out.status.names[i].name);
+ }
+
+
+ talloc_free(req);
+
+ return NT_STATUS_OK;
+}
+
+/**
+ wait for a name status reply
+*/
+_PUBLIC_ NTSTATUS nbt_name_status(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_status *io)
+{
+ struct nbt_name_request *req = nbt_name_status_send(nbtsock, io);
+ return nbt_name_status_recv(req, mem_ctx, io);
+}
+
+
diff --git a/libcli/nbt/namerefresh.c b/libcli/nbt/namerefresh.c
new file mode 100644
index 0000000000..37bf0fc8f1
--- /dev/null
+++ b/libcli/nbt/namerefresh.c
@@ -0,0 +1,302 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ send out a name refresh request
+
+ Copyright (C) Andrew Tridgell 2005
+
+ 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 "../libcli/nbt/libnbt.h"
+#include "../libcli/nbt/nbt_proto.h"
+#include "libcli/composite/composite.h"
+#include "lib/socket/socket.h"
+#include "param/param.h"
+
+/*
+ send a nbt name refresh request
+*/
+struct nbt_name_request *nbt_name_refresh_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_refresh *io)
+{
+ struct nbt_name_request *req;
+ struct nbt_name_packet *packet;
+ struct socket_address *dest;
+
+ packet = talloc_zero(nbtsock, struct nbt_name_packet);
+ if (packet == NULL) return NULL;
+
+ packet->qdcount = 1;
+ packet->arcount = 1;
+ packet->operation = NBT_OPCODE_REFRESH;
+ if (io->in.broadcast) {
+ packet->operation |= NBT_FLAG_BROADCAST;
+ }
+
+ packet->questions = talloc_array(packet, struct nbt_name_question, 1);
+ if (packet->questions == NULL) goto failed;
+
+ packet->questions[0].name = io->in.name;
+ packet->questions[0].question_type = NBT_QTYPE_NETBIOS;
+ packet->questions[0].question_class = NBT_QCLASS_IP;
+
+ packet->additional = talloc_array(packet, struct nbt_res_rec, 1);
+ if (packet->additional == NULL) goto failed;
+
+ packet->additional[0].name = io->in.name;
+ packet->additional[0].rr_type = NBT_QTYPE_NETBIOS;
+ packet->additional[0].rr_class = NBT_QCLASS_IP;
+ packet->additional[0].ttl = io->in.ttl;
+ packet->additional[0].rdata.netbios.length = 6;
+ packet->additional[0].rdata.netbios.addresses = talloc_array(packet->additional,
+ struct nbt_rdata_address, 1);
+ if (packet->additional[0].rdata.netbios.addresses == NULL) goto failed;
+ packet->additional[0].rdata.netbios.addresses[0].nb_flags = io->in.nb_flags;
+ packet->additional[0].rdata.netbios.addresses[0].ipaddr =
+ talloc_strdup(packet->additional, io->in.address);
+
+ dest = socket_address_from_strings(nbtsock,
+ nbtsock->sock->backend_name,
+ io->in.dest_addr, io->in.dest_port);
+ if (dest == NULL) goto failed;
+ req = nbt_name_request_send(nbtsock, dest, packet,
+ io->in.timeout, io->in.retries, false);
+ if (req == NULL) goto failed;
+
+ talloc_free(packet);
+ return req;
+
+failed:
+ talloc_free(packet);
+ return NULL;
+}
+
+/*
+ wait for a refresh reply
+*/
+_PUBLIC_ NTSTATUS nbt_name_refresh_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_refresh *io)
+{
+ NTSTATUS status;
+ struct nbt_name_packet *packet;
+
+ status = nbt_name_request_recv(req);
+ if (!NT_STATUS_IS_OK(status) ||
+ req->num_replies == 0) {
+ talloc_free(req);
+ return status;
+ }
+
+ packet = req->replies[0].packet;
+ io->out.reply_from = talloc_steal(mem_ctx, req->replies[0].dest->addr);
+
+ if (packet->ancount != 1 ||
+ packet->answers[0].rr_type != NBT_QTYPE_NETBIOS ||
+ packet->answers[0].rr_class != NBT_QCLASS_IP) {
+ talloc_free(req);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ io->out.rcode = packet->operation & NBT_RCODE;
+ io->out.name = packet->answers[0].name;
+ if (packet->answers[0].rdata.netbios.length < 6) {
+ talloc_free(req);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ io->out.reply_addr = talloc_steal(mem_ctx,
+ packet->answers[0].rdata.netbios.addresses[0].ipaddr);
+ talloc_steal(mem_ctx, io->out.name.name);
+ talloc_steal(mem_ctx, io->out.name.scope);
+
+ talloc_free(req);
+
+ return NT_STATUS_OK;
+}
+
+/*
+ synchronous name refresh request
+*/
+_PUBLIC_ NTSTATUS nbt_name_refresh(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_refresh *io)
+{
+ struct nbt_name_request *req = nbt_name_refresh_send(nbtsock, io);
+ return nbt_name_refresh_recv(req, mem_ctx, io);
+}
+
+
+
+/**
+ a wins name refresh with multiple WINS servers and multiple
+ addresses to refresh. Try each WINS server in turn, until we get a
+ reply for each address
+*/
+struct refresh_wins_state {
+ struct nbt_name_socket *nbtsock;
+ struct nbt_name_refresh *io;
+ const char **wins_servers;
+ uint16_t wins_port;
+ const char **addresses;
+ int address_idx;
+ struct nbt_name_request *req;
+};
+
+
+/**
+ state handler for WINS multi-homed multi-server name refresh
+*/
+static void name_refresh_wins_handler(struct nbt_name_request *req)
+{
+ struct composite_context *c = talloc_get_type(req->async.private_data,
+ struct composite_context);
+ struct refresh_wins_state *state = talloc_get_type(c->private_data,
+ struct refresh_wins_state);
+ NTSTATUS status;
+
+ status = nbt_name_refresh_recv(state->req, state, state->io);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
+ /* the refresh timed out - try the next WINS server */
+ state->wins_servers++;
+ state->address_idx = 0;
+ if (state->wins_servers[0] == NULL) {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = status;
+ goto done;
+ }
+ state->io->in.dest_addr = state->wins_servers[0];
+ state->io->in.dest_port = state->wins_port;
+ state->io->in.address = state->addresses[0];
+ state->req = nbt_name_refresh_send(state->nbtsock, state->io);
+ if (state->req == NULL) {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = NT_STATUS_NO_MEMORY;
+ } else {
+ state->req->async.fn = name_refresh_wins_handler;
+ state->req->async.private_data = c;
+ }
+ } else if (!NT_STATUS_IS_OK(status)) {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = status;
+ } else {
+ if (state->io->out.rcode == 0 &&
+ state->addresses[state->address_idx+1] != NULL) {
+ /* refresh our next address */
+ state->io->in.address = state->addresses[++(state->address_idx)];
+ state->req = nbt_name_refresh_send(state->nbtsock, state->io);
+ if (state->req == NULL) {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = NT_STATUS_NO_MEMORY;
+ } else {
+ state->req->async.fn = name_refresh_wins_handler;
+ state->req->async.private_data = c;
+ }
+ } else {
+ c->state = COMPOSITE_STATE_DONE;
+ c->status = NT_STATUS_OK;
+ }
+ }
+
+done:
+ if (c->state >= COMPOSITE_STATE_DONE &&
+ c->async.fn) {
+ c->async.fn(c);
+ }
+}
+
+/**
+ the async send call for a multi-server WINS refresh
+*/
+_PUBLIC_ struct composite_context *nbt_name_refresh_wins_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_refresh_wins *io)
+{
+ struct composite_context *c;
+ struct refresh_wins_state *state;
+
+ c = talloc_zero(nbtsock, struct composite_context);
+ if (c == NULL) goto failed;
+
+ state = talloc(c, struct refresh_wins_state);
+ if (state == NULL) goto failed;
+
+ state->io = talloc(state, struct nbt_name_refresh);
+ if (state->io == NULL) goto failed;
+
+ state->wins_port = io->in.wins_port;
+ state->wins_servers = str_list_copy(state, io->in.wins_servers);
+ if (state->wins_servers == NULL ||
+ state->wins_servers[0] == NULL) goto failed;
+
+ state->addresses = str_list_copy(state, io->in.addresses);
+ if (state->addresses == NULL ||
+ state->addresses[0] == NULL) goto failed;
+
+ state->io->in.name = io->in.name;
+ state->io->in.dest_addr = state->wins_servers[0];
+ state->io->in.dest_port = state->wins_port;
+ state->io->in.address = io->in.addresses[0];
+ state->io->in.nb_flags = io->in.nb_flags;
+ state->io->in.broadcast = false;
+ state->io->in.ttl = io->in.ttl;
+ state->io->in.timeout = 2;
+ state->io->in.retries = 2;
+
+ state->nbtsock = nbtsock;
+ state->address_idx = 0;
+
+ state->req = nbt_name_refresh_send(nbtsock, state->io);
+ if (state->req == NULL) goto failed;
+
+ state->req->async.fn = name_refresh_wins_handler;
+ state->req->async.private_data = c;
+
+ c->private_data = state;
+ c->state = COMPOSITE_STATE_IN_PROGRESS;
+ c->event_ctx = nbtsock->event_ctx;
+
+ return c;
+
+failed:
+ talloc_free(c);
+ return NULL;
+}
+
+/*
+ multi-homed WINS name refresh - recv side
+*/
+_PUBLIC_ NTSTATUS nbt_name_refresh_wins_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
+ struct nbt_name_refresh_wins *io)
+{
+ NTSTATUS status;
+ status = composite_wait(c);
+ if (NT_STATUS_IS_OK(status)) {
+ struct refresh_wins_state *state =
+ talloc_get_type(c->private_data, struct refresh_wins_state);
+ io->out.wins_server = talloc_steal(mem_ctx, state->wins_servers[0]);
+ io->out.rcode = state->io->out.rcode;
+ }
+ talloc_free(c);
+ return status;
+}
+
+/*
+ multi-homed WINS refresh - sync interface
+*/
+_PUBLIC_ NTSTATUS nbt_name_refresh_wins(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx,
+ struct nbt_name_refresh_wins *io)
+{
+ struct composite_context *c = nbt_name_refresh_wins_send(nbtsock, io);
+ return nbt_name_refresh_wins_recv(c, mem_ctx, io);
+}
diff --git a/libcli/nbt/nameregister.c b/libcli/nbt/nameregister.c
new file mode 100644
index 0000000000..d4728a8e02
--- /dev/null
+++ b/libcli/nbt/nameregister.c
@@ -0,0 +1,442 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ send out a name registration request
+
+ Copyright (C) Andrew Tridgell 2005
+
+ 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 "../libcli/nbt/libnbt.h"
+#include "../libcli/nbt/nbt_proto.h"
+#include "libcli/composite/composite.h"
+#include "lib/socket/socket.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+#include "param/param.h"
+
+/*
+ send a nbt name registration request
+*/
+struct nbt_name_request *nbt_name_register_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_register *io)
+{
+ struct nbt_name_request *req;
+ struct nbt_name_packet *packet;
+ struct socket_address *dest;
+
+ packet = talloc_zero(nbtsock, struct nbt_name_packet);
+ if (packet == NULL) return NULL;
+
+ packet->qdcount = 1;
+ packet->arcount = 1;
+ if (io->in.multi_homed) {
+ packet->operation = NBT_OPCODE_MULTI_HOME_REG;
+ } else {
+ packet->operation = NBT_OPCODE_REGISTER;
+ }
+ if (io->in.broadcast) {
+ packet->operation |= NBT_FLAG_BROADCAST;
+ }
+ if (io->in.register_demand) {
+ packet->operation |= NBT_FLAG_RECURSION_DESIRED;
+ }
+
+ packet->questions = talloc_array(packet, struct nbt_name_question, 1);
+ if (packet->questions == NULL) goto failed;
+
+ packet->questions[0].name = io->in.name;
+ packet->questions[0].question_type = NBT_QTYPE_NETBIOS;
+ packet->questions[0].question_class = NBT_QCLASS_IP;
+
+ packet->additional = talloc_array(packet, struct nbt_res_rec, 1);
+ if (packet->additional == NULL) goto failed;
+
+ packet->additional[0].name = io->in.name;
+ packet->additional[0].rr_type = NBT_QTYPE_NETBIOS;
+ packet->additional[0].rr_class = NBT_QCLASS_IP;
+ packet->additional[0].ttl = io->in.ttl;
+ packet->additional[0].rdata.netbios.length = 6;
+ packet->additional[0].rdata.netbios.addresses = talloc_array(packet->additional,
+ struct nbt_rdata_address, 1);
+ if (packet->additional[0].rdata.netbios.addresses == NULL) goto failed;
+ packet->additional[0].rdata.netbios.addresses[0].nb_flags = io->in.nb_flags;
+ packet->additional[0].rdata.netbios.addresses[0].ipaddr =
+ talloc_strdup(packet->additional, io->in.address);
+ if (packet->additional[0].rdata.netbios.addresses[0].ipaddr == NULL) goto failed;
+
+ dest = socket_address_from_strings(packet, nbtsock->sock->backend_name,
+ io->in.dest_addr, io->in.dest_port);
+ if (dest == NULL) goto failed;
+ req = nbt_name_request_send(nbtsock, dest, packet,
+ io->in.timeout, io->in.retries, false);
+ if (req == NULL) goto failed;
+
+ talloc_free(packet);
+ return req;
+
+failed:
+ talloc_free(packet);
+ return NULL;
+}
+
+/*
+ wait for a registration reply
+*/
+_PUBLIC_ NTSTATUS nbt_name_register_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_register *io)
+{
+ NTSTATUS status;
+ struct nbt_name_packet *packet;
+
+ status = nbt_name_request_recv(req);
+ if (!NT_STATUS_IS_OK(status) ||
+ req->num_replies == 0) {
+ talloc_free(req);
+ return status;
+ }
+
+ packet = req->replies[0].packet;
+ io->out.reply_from = talloc_steal(mem_ctx, req->replies[0].dest->addr);
+
+ if (packet->ancount != 1 ||
+ packet->answers[0].rr_type != NBT_QTYPE_NETBIOS ||
+ packet->answers[0].rr_class != NBT_QCLASS_IP) {
+ talloc_free(req);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ io->out.rcode = packet->operation & NBT_RCODE;
+ io->out.name = packet->answers[0].name;
+ if (packet->answers[0].rdata.netbios.length < 6) {
+ talloc_free(req);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ io->out.reply_addr = talloc_steal(mem_ctx,
+ packet->answers[0].rdata.netbios.addresses[0].ipaddr);
+ talloc_steal(mem_ctx, io->out.name.name);
+ talloc_steal(mem_ctx, io->out.name.scope);
+
+ talloc_free(req);
+
+ return NT_STATUS_OK;
+}
+
+/*
+ synchronous name registration request
+*/
+_PUBLIC_ NTSTATUS nbt_name_register(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_register *io)
+{
+ struct nbt_name_request *req = nbt_name_register_send(nbtsock, io);
+ return nbt_name_register_recv(req, mem_ctx, io);
+}
+
+
+/*
+ a 4 step broadcast registration. 3 lots of name registration requests, followed by
+ a name registration demand
+*/
+struct register_bcast_state {
+ struct nbt_name_socket *nbtsock;
+ struct nbt_name_register *io;
+ struct nbt_name_request *req;
+};
+
+
+/*
+ state handler for 4 stage name registration
+*/
+static void name_register_bcast_handler(struct nbt_name_request *req)
+{
+ struct composite_context *c = talloc_get_type(req->async.private_data, struct composite_context);
+ struct register_bcast_state *state = talloc_get_type(c->private_data, struct register_bcast_state);
+ NTSTATUS status;
+
+ status = nbt_name_register_recv(state->req, state, state->io);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
+ if (state->io->in.register_demand == true) {
+ /* all done */
+ c->state = COMPOSITE_STATE_DONE;
+ c->status = NT_STATUS_OK;
+ goto done;
+ }
+
+ /* the registration timed out - good, send the demand */
+ state->io->in.register_demand = true;
+ state->io->in.retries = 0;
+ state->req = nbt_name_register_send(state->nbtsock, state->io);
+ if (state->req == NULL) {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = NT_STATUS_NO_MEMORY;
+ } else {
+ state->req->async.fn = name_register_bcast_handler;
+ state->req->async.private_data = c;
+ }
+ } else if (!NT_STATUS_IS_OK(status)) {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = status;
+ } else {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = NT_STATUS_CONFLICTING_ADDRESSES;
+ DEBUG(3,("Name registration conflict from %s for %s with ip %s - rcode %d\n",
+ state->io->out.reply_from,
+ nbt_name_string(state, &state->io->out.name),
+ state->io->out.reply_addr,
+ state->io->out.rcode));
+ }
+
+done:
+ if (c->state >= COMPOSITE_STATE_DONE &&
+ c->async.fn) {
+ c->async.fn(c);
+ }
+}
+
+/*
+ the async send call for a 4 stage name registration
+*/
+_PUBLIC_ struct composite_context *nbt_name_register_bcast_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_register_bcast *io)
+{
+ struct composite_context *c;
+ struct register_bcast_state *state;
+
+ c = talloc_zero(nbtsock, struct composite_context);
+ if (c == NULL) goto failed;
+
+ state = talloc(c, struct register_bcast_state);
+ if (state == NULL) goto failed;
+
+ state->io = talloc(state, struct nbt_name_register);
+ if (state->io == NULL) goto failed;
+
+ state->io->in.name = io->in.name;
+ state->io->in.dest_addr = io->in.dest_addr;
+ state->io->in.dest_port = io->in.dest_port;
+ state->io->in.address = io->in.address;
+ state->io->in.nb_flags = io->in.nb_flags;
+ state->io->in.register_demand = false;
+ state->io->in.broadcast = true;
+ state->io->in.multi_homed = false;
+ state->io->in.ttl = io->in.ttl;
+ state->io->in.timeout = 1;
+ state->io->in.retries = 2;
+
+ state->nbtsock = nbtsock;
+
+ state->req = nbt_name_register_send(nbtsock, state->io);
+ if (state->req == NULL) goto failed;
+
+ state->req->async.fn = name_register_bcast_handler;
+ state->req->async.private_data = c;
+
+ c->private_data = state;
+ c->state = COMPOSITE_STATE_IN_PROGRESS;
+ c->event_ctx = nbtsock->event_ctx;
+
+ return c;
+
+failed:
+ talloc_free(c);
+ return NULL;
+}
+
+/*
+ broadcast 4 part name register - recv
+*/
+_PUBLIC_ NTSTATUS nbt_name_register_bcast_recv(struct composite_context *c)
+{
+ NTSTATUS status;
+ status = composite_wait(c);
+ talloc_free(c);
+ return status;
+}
+
+/*
+ broadcast 4 part name register - sync interface
+*/
+NTSTATUS nbt_name_register_bcast(struct nbt_name_socket *nbtsock,
+ struct nbt_name_register_bcast *io)
+{
+ struct composite_context *c = nbt_name_register_bcast_send(nbtsock, io);
+ return nbt_name_register_bcast_recv(c);
+}
+
+
+/*
+ a wins name register with multiple WINS servers and multiple
+ addresses to register. Try each WINS server in turn, until we get a
+ reply for each address
+*/
+struct register_wins_state {
+ struct nbt_name_socket *nbtsock;
+ struct nbt_name_register *io;
+ const char **wins_servers;
+ uint16_t wins_port;
+ const char **addresses;
+ int address_idx;
+ struct nbt_name_request *req;
+};
+
+
+/*
+ state handler for WINS multi-homed multi-server name register
+*/
+static void name_register_wins_handler(struct nbt_name_request *req)
+{
+ struct composite_context *c = talloc_get_type(req->async.private_data,
+ struct composite_context);
+ struct register_wins_state *state = talloc_get_type(c->private_data,
+ struct register_wins_state);
+ NTSTATUS status;
+
+ status = nbt_name_register_recv(state->req, state, state->io);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
+ /* the register timed out - try the next WINS server */
+ state->wins_servers++;
+ state->address_idx = 0;
+ if (state->wins_servers[0] == NULL) {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = status;
+ goto done;
+ }
+ state->io->in.dest_addr = state->wins_servers[0];
+ state->io->in.dest_port = state->wins_port;
+ state->io->in.address = state->addresses[0];
+ state->req = nbt_name_register_send(state->nbtsock, state->io);
+ if (state->req == NULL) {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = NT_STATUS_NO_MEMORY;
+ } else {
+ state->req->async.fn = name_register_wins_handler;
+ state->req->async.private_data = c;
+ }
+ } else if (!NT_STATUS_IS_OK(status)) {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = status;
+ } else {
+ if (state->io->out.rcode == 0 &&
+ state->addresses[state->address_idx+1] != NULL) {
+ /* register our next address */
+ state->io->in.address = state->addresses[++(state->address_idx)];
+ state->req = nbt_name_register_send(state->nbtsock, state->io);
+ if (state->req == NULL) {
+ c->state = COMPOSITE_STATE_ERROR;
+ c->status = NT_STATUS_NO_MEMORY;
+ } else {
+ state->req->async.fn = name_register_wins_handler;
+ state->req->async.private_data = c;
+ }
+ } else {
+ c->state = COMPOSITE_STATE_DONE;
+ c->status = NT_STATUS_OK;
+ }
+ }
+
+done:
+ if (c->state >= COMPOSITE_STATE_DONE &&
+ c->async.fn) {
+ c->async.fn(c);
+ }
+}
+
+/*
+ the async send call for a multi-server WINS register
+*/
+_PUBLIC_ struct composite_context *nbt_name_register_wins_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_register_wins *io)
+{
+ struct composite_context *c;
+ struct register_wins_state *state;
+
+ c = talloc_zero(nbtsock, struct composite_context);
+ if (c == NULL) goto failed;
+
+ state = talloc(c, struct register_wins_state);
+ if (state == NULL) goto failed;
+
+ state->io = talloc(state, struct nbt_name_register);
+ if (state->io == NULL) goto failed;
+
+ state->wins_port = io->in.wins_port;
+ state->wins_servers = str_list_copy(state, io->in.wins_servers);
+ if (state->wins_servers == NULL ||
+ state->wins_servers[0] == NULL) goto failed;
+
+ state->addresses = str_list_copy(state, io->in.addresses);
+ if (state->addresses == NULL ||
+ state->addresses[0] == NULL) goto failed;
+
+ state->io->in.name = io->in.name;
+ state->io->in.dest_addr = state->wins_servers[0];
+ state->io->in.dest_port = state->wins_port;
+ state->io->in.address = io->in.addresses[0];
+ state->io->in.nb_flags = io->in.nb_flags;
+ state->io->in.broadcast = false;
+ state->io->in.register_demand = false;
+ state->io->in.multi_homed = (io->in.nb_flags & NBT_NM_GROUP)?false:true;
+ state->io->in.ttl = io->in.ttl;
+ state->io->in.timeout = 3;
+ state->io->in.retries = 2;
+
+ state->nbtsock = nbtsock;
+ state->address_idx = 0;
+
+ state->req = nbt_name_register_send(nbtsock, state->io);
+ if (state->req == NULL) goto failed;
+
+ state->req->async.fn = name_register_wins_handler;
+ state->req->async.private_data = c;
+
+ c->private_data = state;
+ c->state = COMPOSITE_STATE_IN_PROGRESS;
+ c->event_ctx = nbtsock->event_ctx;
+
+ return c;
+
+failed:
+ talloc_free(c);
+ return NULL;
+}
+
+/*
+ multi-homed WINS name register - recv side
+*/
+_PUBLIC_ NTSTATUS nbt_name_register_wins_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
+ struct nbt_name_register_wins *io)
+{
+ NTSTATUS status;
+ status = composite_wait(c);
+ if (NT_STATUS_IS_OK(status)) {
+ struct register_wins_state *state =
+ talloc_get_type(c->private_data, struct register_wins_state);
+ io->out.wins_server = talloc_steal(mem_ctx, state->wins_servers[0]);
+ io->out.rcode = state->io->out.rcode;
+ }
+ talloc_free(c);
+ return status;
+}
+
+/*
+ multi-homed WINS register - sync interface
+*/
+_PUBLIC_ NTSTATUS nbt_name_register_wins(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx,
+ struct nbt_name_register_wins *io)
+{
+ struct composite_context *c = nbt_name_register_wins_send(nbtsock, io);
+ return nbt_name_register_wins_recv(c, mem_ctx, io);
+}
diff --git a/libcli/nbt/namerelease.c b/libcli/nbt/namerelease.c
new file mode 100644
index 0000000000..e57a2f396e
--- /dev/null
+++ b/libcli/nbt/namerelease.c
@@ -0,0 +1,135 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ send out a name release request
+
+ Copyright (C) Andrew Tridgell 2005
+
+ 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 "../libcli/nbt/libnbt.h"
+#include "../libcli/nbt/nbt_proto.h"
+#include "lib/socket/socket.h"
+#include "param/param.h"
+
+/*
+ send a nbt name release request
+*/
+_PUBLIC_ struct nbt_name_request *nbt_name_release_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_release *io)
+{
+ struct nbt_name_request *req;
+ struct nbt_name_packet *packet;
+ struct socket_address *dest;
+
+ packet = talloc_zero(nbtsock, struct nbt_name_packet);
+ if (packet == NULL) return NULL;
+
+ packet->qdcount = 1;
+ packet->arcount = 1;
+ packet->operation = NBT_OPCODE_RELEASE;
+ if (io->in.broadcast) {
+ packet->operation |= NBT_FLAG_BROADCAST;
+ }
+
+ packet->questions = talloc_array(packet, struct nbt_name_question, 1);
+ if (packet->questions == NULL) goto failed;
+
+ packet->questions[0].name = io->in.name;
+ packet->questions[0].question_type = NBT_QTYPE_NETBIOS;
+ packet->questions[0].question_class = NBT_QCLASS_IP;
+
+ packet->additional = talloc_array(packet, struct nbt_res_rec, 1);
+ if (packet->additional == NULL) goto failed;
+
+ packet->additional[0].name = io->in.name;
+ packet->additional[0].rr_type = NBT_QTYPE_NETBIOS;
+ packet->additional[0].rr_class = NBT_QCLASS_IP;
+ packet->additional[0].ttl = 0;
+ packet->additional[0].rdata.netbios.length = 6;
+ packet->additional[0].rdata.netbios.addresses = talloc_array(packet->additional,
+ struct nbt_rdata_address, 1);
+ if (packet->additional[0].rdata.netbios.addresses == NULL) goto failed;
+ packet->additional[0].rdata.netbios.addresses[0].nb_flags = io->in.nb_flags;
+ packet->additional[0].rdata.netbios.addresses[0].ipaddr =
+ talloc_strdup(packet->additional, io->in.address);
+
+ dest = socket_address_from_strings(packet, nbtsock->sock->backend_name,
+ io->in.dest_addr, io->in.dest_port);
+ if (dest == NULL) goto failed;
+ req = nbt_name_request_send(nbtsock, dest, packet,
+ io->in.timeout, io->in.retries, false);
+ if (req == NULL) goto failed;
+
+ talloc_free(packet);
+ return req;
+
+failed:
+ talloc_free(packet);
+ return NULL;
+}
+
+/*
+ wait for a release reply
+*/
+_PUBLIC_ NTSTATUS nbt_name_release_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_release *io)
+{
+ NTSTATUS status;
+ struct nbt_name_packet *packet;
+
+ status = nbt_name_request_recv(req);
+ if (!NT_STATUS_IS_OK(status) ||
+ req->num_replies == 0) {
+ talloc_free(req);
+ return status;
+ }
+
+ packet = req->replies[0].packet;
+ io->out.reply_from = talloc_steal(mem_ctx, req->replies[0].dest->addr);
+
+ if (packet->ancount != 1 ||
+ packet->answers[0].rr_type != NBT_QTYPE_NETBIOS ||
+ packet->answers[0].rr_class != NBT_QCLASS_IP) {
+ talloc_free(req);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ io->out.rcode = packet->operation & NBT_RCODE;
+ io->out.name = packet->answers[0].name;
+ if (packet->answers[0].rdata.netbios.length < 6) {
+ talloc_free(req);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ io->out.reply_addr = talloc_steal(mem_ctx,
+ packet->answers[0].rdata.netbios.addresses[0].ipaddr);
+ talloc_steal(mem_ctx, io->out.name.name);
+ talloc_steal(mem_ctx, io->out.name.scope);
+
+ talloc_free(req);
+
+ return NT_STATUS_OK;
+}
+
+/*
+ synchronous name release request
+*/
+_PUBLIC_ NTSTATUS nbt_name_release(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_release *io)
+{
+ struct nbt_name_request *req = nbt_name_release_send(nbtsock, io);
+ return nbt_name_release_recv(req, mem_ctx, io);
+}
diff --git a/libcli/nbt/nbtname.c b/libcli/nbt/nbtname.c
new file mode 100644
index 0000000000..338cb21089
--- /dev/null
+++ b/libcli/nbt/nbtname.c
@@ -0,0 +1,648 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ manipulate nbt name structures
+
+ Copyright (C) Andrew Tridgell 2005
+
+ 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/>.
+*/
+
+/*
+ see rfc1002 for the detailed format of compressed names
+*/
+
+#include "includes.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+#include "librpc/gen_ndr/ndr_misc.h"
+#include "system/locale.h"
+
+/* don't allow an unlimited number of name components */
+#define MAX_COMPONENTS 10
+
+/**
+ print a nbt string
+*/
+_PUBLIC_ void ndr_print_nbt_string(struct ndr_print *ndr, const char *name, const char *s)
+{
+ ndr_print_string(ndr, name, s);
+}
+
+/*
+ pull one component of a nbt_string
+*/
+static enum ndr_err_code ndr_pull_component(struct ndr_pull *ndr,
+ uint8_t **component,
+ uint32_t *offset,
+ uint32_t *max_offset)
+{
+ uint8_t len;
+ uint_t loops = 0;
+ while (loops < 5) {
+ if (*offset >= ndr->data_size) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING,
+ "BAD NBT NAME component");
+ }
+ len = ndr->data[*offset];
+ if (len == 0) {
+ *offset += 1;
+ *max_offset = MAX(*max_offset, *offset);
+ *component = NULL;
+ return NDR_ERR_SUCCESS;
+ }
+ if ((len & 0xC0) == 0xC0) {
+ /* its a label pointer */
+ if (1 + *offset >= ndr->data_size) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING,
+ "BAD NBT NAME component");
+ }
+ *max_offset = MAX(*max_offset, *offset + 2);
+ *offset = ((len&0x3F)<<8) | ndr->data[1 + *offset];
+ *max_offset = MAX(*max_offset, *offset);
+ loops++;
+ continue;
+ }
+ if ((len & 0xC0) != 0) {
+ /* its a reserved length field */
+ return ndr_pull_error(ndr, NDR_ERR_STRING,
+ "BAD NBT NAME component");
+ }
+ if (*offset + len + 2 > ndr->data_size) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING,
+ "BAD NBT NAME component");
+ }
+ *component = (uint8_t*)talloc_strndup(ndr, (const char *)&ndr->data[1 + *offset], len);
+ NDR_ERR_HAVE_NO_MEMORY(*component);
+ *offset += len + 1;
+ *max_offset = MAX(*max_offset, *offset);
+ return NDR_ERR_SUCCESS;
+ }
+
+ /* too many pointers */
+ return ndr_pull_error(ndr, NDR_ERR_STRING, "BAD NBT NAME component");
+}
+
+/**
+ pull a nbt_string from the wire
+*/
+_PUBLIC_ enum ndr_err_code ndr_pull_nbt_string(struct ndr_pull *ndr, int ndr_flags, const char **s)
+{
+ uint32_t offset = ndr->offset;
+ uint32_t max_offset = offset;
+ unsigned num_components;
+ char *name;
+
+ if (!(ndr_flags & NDR_SCALARS)) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ name = NULL;
+
+ /* break up name into a list of components */
+ for (num_components=0;num_components<MAX_COMPONENTS;num_components++) {
+ uint8_t *component = NULL;
+ NDR_CHECK(ndr_pull_component(ndr, &component, &offset, &max_offset));
+ if (component == NULL) break;
+ if (name) {
+ name = talloc_asprintf_append_buffer(name, ".%s", component);
+ NDR_ERR_HAVE_NO_MEMORY(name);
+ } else {
+ name = (char *)component;
+ }
+ }
+ if (num_components == MAX_COMPONENTS) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING,
+ "BAD NBT NAME too many components");
+ }
+ if (num_components == 0) {
+ name = talloc_strdup(ndr, "");
+ NDR_ERR_HAVE_NO_MEMORY(name);
+ }
+
+ (*s) = name;
+ ndr->offset = max_offset;
+
+ return NDR_ERR_SUCCESS;
+}
+
+/**
+ push a nbt string to the wire
+*/
+_PUBLIC_ enum ndr_err_code ndr_push_nbt_string(struct ndr_push *ndr, int ndr_flags, const char *s)
+{
+ if (!(ndr_flags & NDR_SCALARS)) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ while (s && *s) {
+ enum ndr_err_code ndr_err;
+ char *compname;
+ size_t complen;
+ uint32_t offset;
+
+ /* see if we have pushed the remaing string allready,
+ * if so we use a label pointer to this string
+ */
+ ndr_err = ndr_token_retrieve_cmp_fn(&ndr->nbt_string_list, s, &offset, (comparison_fn_t)strcmp, false);
+ if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ uint8_t b[2];
+
+ if (offset > 0x3FFF) {
+ return ndr_push_error(ndr, NDR_ERR_STRING,
+ "offset for nbt string label pointer %u[%08X] > 0x00003FFF",
+ offset, offset);
+ }
+
+ b[0] = 0xC0 | (offset>>8);
+ b[1] = (offset & 0xFF);
+
+ return ndr_push_bytes(ndr, b, 2);
+ }
+
+ complen = strcspn(s, ".");
+
+ /* we need to make sure the length fits into 6 bytes */
+ if (complen >= 0x3F) {
+ return ndr_push_error(ndr, NDR_ERR_STRING,
+ "component length %u[%08X] > 0x00003F",
+ (unsigned)complen, (unsigned)complen);
+ }
+
+ compname = talloc_asprintf(ndr, "%c%*.*s",
+ (unsigned char)complen,
+ (unsigned char)complen,
+ (unsigned char)complen, s);
+ NDR_ERR_HAVE_NO_MEMORY(compname);
+
+ /* remember the current componemt + the rest of the string
+ * so it can be reused later
+ */
+ NDR_CHECK(ndr_token_store(ndr, &ndr->nbt_string_list, s, ndr->offset));
+
+ /* push just this component into the blob */
+ NDR_CHECK(ndr_push_bytes(ndr, (const uint8_t *)compname, complen+1));
+ talloc_free(compname);
+
+ s += complen;
+ if (*s == '.') s++;
+ }
+
+ /* if we reach the end of the string and have pushed the last component
+ * without using a label pointer, we need to terminate the string
+ */
+ return ndr_push_bytes(ndr, (const uint8_t *)"", 1);
+}
+
+
+/*
+ decompress a 'compressed' name component
+ */
+static bool decompress_name(char *name, enum nbt_name_type *type)
+{
+ int i;
+ for (i=0;name[2*i];i++) {
+ uint8_t c1 = name[2*i];
+ uint8_t c2 = name[1+(2*i)];
+ if (c1 < 'A' || c1 > 'P' ||
+ c2 < 'A' || c2 > 'P') {
+ return false;
+ }
+ name[i] = ((c1-'A')<<4) | (c2-'A');
+ }
+ name[i] = 0;
+ if (i == 16) {
+ *type = (enum nbt_name_type)(name[15]);
+ name[15] = 0;
+ i--;
+ } else {
+ *type = NBT_NAME_CLIENT;
+ }
+
+ /* trim trailing spaces */
+ for (;i>0 && name[i-1]==' ';i--) {
+ name[i-1] = 0;
+ }
+
+ return true;
+}
+
+
+/*
+ compress a name component
+ */
+static uint8_t *compress_name(TALLOC_CTX *mem_ctx,
+ const uint8_t *name, enum nbt_name_type type)
+{
+ uint8_t *cname;
+ int i;
+ uint8_t pad_char;
+
+ if (strlen((const char *)name) > 15) {
+ return NULL;
+ }
+
+ cname = talloc_array(mem_ctx, uint8_t, 33);
+ if (cname == NULL) return NULL;
+
+ for (i=0;name[i];i++) {
+ cname[2*i] = 'A' + (name[i]>>4);
+ cname[1+2*i] = 'A' + (name[i]&0xF);
+ }
+ if (strcmp((const char *)name, "*") == 0) {
+ pad_char = 0;
+ } else {
+ pad_char = ' ';
+ }
+ for (;i<15;i++) {
+ cname[2*i] = 'A' + (pad_char>>4);
+ cname[1+2*i] = 'A' + (pad_char&0xF);
+ }
+
+ pad_char = type;
+ cname[2*i] = 'A' + (pad_char>>4);
+ cname[1+2*i] = 'A' + (pad_char&0xF);
+
+ cname[32] = 0;
+ return cname;
+}
+
+
+/**
+ pull a nbt name from the wire
+*/
+_PUBLIC_ enum ndr_err_code ndr_pull_nbt_name(struct ndr_pull *ndr, int ndr_flags, struct nbt_name *r)
+{
+ uint8_t *scope;
+ char *cname;
+ const char *s;
+ bool ok;
+
+ if (!(ndr_flags & NDR_SCALARS)) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ NDR_CHECK(ndr_pull_nbt_string(ndr, ndr_flags, &s));
+
+ scope = (uint8_t *)strchr(s, '.');
+ if (scope) {
+ *scope = 0;
+ r->scope = talloc_strdup(ndr->current_mem_ctx, (const char *)&scope[1]);
+ NDR_ERR_HAVE_NO_MEMORY(r->scope);
+ } else {
+ r->scope = NULL;
+ }
+
+ cname = discard_const_p(char, s);
+
+ /* the first component is limited to 16 bytes in the DOS charset,
+ which is 32 in the 'compressed' form */
+ if (strlen(cname) > 32) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING,
+ "NBT NAME cname > 32");
+ }
+
+ /* decompress the first component */
+ ok = decompress_name(cname, &r->type);
+ if (!ok) {
+ return ndr_pull_error(ndr, NDR_ERR_STRING,
+ "NBT NAME failed to decompress");
+ }
+
+ r->name = talloc_strdup(ndr->current_mem_ctx, cname);
+ NDR_ERR_HAVE_NO_MEMORY(r->name);
+
+ talloc_free(cname);
+
+ return NDR_ERR_SUCCESS;
+}
+
+/**
+ push a nbt name to the wire
+*/
+_PUBLIC_ enum ndr_err_code ndr_push_nbt_name(struct ndr_push *ndr, int ndr_flags, const struct nbt_name *r)
+{
+ uint8_t *cname, *fullname;
+ enum ndr_err_code ndr_err;
+
+ if (!(ndr_flags & NDR_SCALARS)) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ if (strlen(r->name) > 15) {
+ return ndr_push_error(ndr, NDR_ERR_STRING,
+ "nbt_name longer as 15 chars: %s",
+ r->name);
+ }
+
+ cname = compress_name(ndr, (const uint8_t *)r->name, r->type);
+ NDR_ERR_HAVE_NO_MEMORY(cname);
+
+ if (r->scope) {
+ fullname = (uint8_t *)talloc_asprintf(ndr, "%s.%s", cname, r->scope);
+ NDR_ERR_HAVE_NO_MEMORY(fullname);
+ talloc_free(cname);
+ } else {
+ fullname = cname;
+ }
+
+ ndr_err = ndr_push_nbt_string(ndr, ndr_flags, (const char *)fullname);
+
+ return ndr_err;
+}
+
+
+/**
+ copy a nbt name structure
+*/
+_PUBLIC_ NTSTATUS nbt_name_dup(TALLOC_CTX *mem_ctx, struct nbt_name *name, struct nbt_name *newname)
+{
+ *newname = *name;
+ newname->name = talloc_strdup(mem_ctx, newname->name);
+ NT_STATUS_HAVE_NO_MEMORY(newname->name);
+ newname->scope = talloc_strdup(mem_ctx, newname->scope);
+ if (name->scope) {
+ NT_STATUS_HAVE_NO_MEMORY(newname->scope);
+ }
+ return NT_STATUS_OK;
+}
+
+/**
+ push a nbt name into a blob
+*/
+_PUBLIC_ NTSTATUS nbt_name_to_blob(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, DATA_BLOB *blob, struct nbt_name *name)
+{
+ enum ndr_err_code ndr_err;
+
+ ndr_err = ndr_push_struct_blob(blob, mem_ctx, iconv_convenience, name, (ndr_push_flags_fn_t)ndr_push_nbt_name);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return ndr_map_error2ntstatus(ndr_err);
+ }
+
+ return NT_STATUS_OK;
+}
+
+/**
+ pull a nbt name from a blob
+*/
+_PUBLIC_ NTSTATUS nbt_name_from_blob(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, struct nbt_name *name)
+{
+ enum ndr_err_code ndr_err;
+
+ ndr_err = ndr_pull_struct_blob(blob, mem_ctx, NULL, name,
+ (ndr_pull_flags_fn_t)ndr_pull_nbt_name);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return ndr_map_error2ntstatus(ndr_err);
+ }
+
+ return NT_STATUS_OK;
+}
+
+
+/**
+ choose a name to use when calling a server in a NBT session request.
+ we use heuristics to see if the name we have been given is a IP
+ address, or a too-long name. If it is then use *SMBSERVER, or a
+ truncated name
+*/
+_PUBLIC_ void nbt_choose_called_name(TALLOC_CTX *mem_ctx,
+ struct nbt_name *n, const char *name, int type)
+{
+ n->scope = NULL;
+ n->type = type;
+
+ if ((name == NULL) || is_ipaddress(name)) {
+ n->name = "*SMBSERVER";
+ return;
+ }
+ if (strlen(name) > 15) {
+ const char *p = strchr(name, '.');
+ char *s;
+ if (p - name > 15) {
+ n->name = "*SMBSERVER";
+ return;
+ }
+ s = talloc_strndup(mem_ctx, name, PTR_DIFF(p, name));
+ n->name = talloc_strdup_upper(mem_ctx, s);
+ return;
+ }
+
+ n->name = talloc_strdup_upper(mem_ctx, name);
+}
+
+
+/*
+ escape a string into a form containing only a small set of characters,
+ the rest is hex encoded. This is similar to URL encoding
+*/
+static const char *nbt_hex_encode(TALLOC_CTX *mem_ctx, const char *s)
+{
+ int i, len;
+ char *ret;
+ const char *valid_chars = "_-.$@ ";
+#define NBT_CHAR_ALLOW(c) (isalnum((unsigned char)c) || strchr(valid_chars, c))
+
+ for (len=i=0;s[i];i++,len++) {
+ if (!NBT_CHAR_ALLOW(s[i])) {
+ len += 2;
+ }
+ }
+
+ ret = talloc_array(mem_ctx, char, len+1);
+ if (ret == NULL) return NULL;
+
+ for (len=i=0;s[i];i++) {
+ if (NBT_CHAR_ALLOW(s[i])) {
+ ret[len++] = s[i];
+ } else {
+ snprintf(&ret[len], 4, "%%%02x", (unsigned char)s[i]);
+ len += 3;
+ }
+ }
+ ret[len] = 0;
+
+ return ret;
+}
+
+
+/**
+ form a string for a NBT name
+*/
+_PUBLIC_ char *nbt_name_string(TALLOC_CTX *mem_ctx, const struct nbt_name *name)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ char *ret;
+ if (name->scope) {
+ ret = talloc_asprintf(mem_ctx, "%s<%02x>-%s",
+ nbt_hex_encode(tmp_ctx, name->name),
+ name->type,
+ nbt_hex_encode(tmp_ctx, name->scope));
+ } else {
+ ret = talloc_asprintf(mem_ctx, "%s<%02x>",
+ nbt_hex_encode(tmp_ctx, name->name),
+ name->type);
+ }
+ talloc_free(tmp_ctx);
+ return ret;
+}
+
+/**
+ pull a nbt name, WINS Replication uses another on wire format for nbt name
+*/
+_PUBLIC_ enum ndr_err_code ndr_pull_wrepl_nbt_name(struct ndr_pull *ndr, int ndr_flags, const struct nbt_name **_r)
+{
+ struct nbt_name *r;
+ uint8_t *namebuf;
+ uint32_t namebuf_len;
+
+ if (!(ndr_flags & NDR_SCALARS)) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ NDR_CHECK(ndr_pull_align(ndr, 4));
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &namebuf_len));
+ if (namebuf_len < 1 || namebuf_len > 255) {
+ return ndr_pull_error(ndr, NDR_ERR_ALLOC, "value out of range");
+ }
+ NDR_PULL_ALLOC_N(ndr, namebuf, namebuf_len);
+ NDR_CHECK(ndr_pull_array_uint8(ndr, NDR_SCALARS, namebuf, namebuf_len));
+
+ NDR_PULL_ALLOC(ndr, r);
+
+ /* oh wow, what a nasty bug in windows ... */
+ if (namebuf[0] == 0x1b && namebuf_len >= 16) {
+ namebuf[0] = namebuf[15];
+ namebuf[15] = 0x1b;
+ }
+
+ if (namebuf_len < 17) {
+ r->type = 0x00;
+
+ r->name = talloc_strndup(r, (char *)namebuf, namebuf_len);
+ if (!r->name) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "out of memory");
+
+ r->scope= NULL;
+
+ talloc_free(namebuf);
+ *_r = r;
+ return NDR_ERR_SUCCESS;
+ }
+
+ r->type = namebuf[15];
+
+ namebuf[15] = '\0';
+ trim_string((char *)namebuf, NULL, " ");
+ r->name = talloc_strdup(r, (char *)namebuf);
+ if (!r->name) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "out of memory");
+
+ if (namebuf_len > 18) {
+ r->scope = talloc_strndup(r, (char *)(namebuf+17), namebuf_len-17);
+ if (!r->scope) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "out of memory");
+ } else {
+ r->scope = NULL;
+ }
+
+ talloc_free(namebuf);
+ *_r = r;
+ return NDR_ERR_SUCCESS;
+}
+
+/**
+ push a nbt name, WINS Replication uses another on wire format for nbt name
+*/
+_PUBLIC_ enum ndr_err_code ndr_push_wrepl_nbt_name(struct ndr_push *ndr, int ndr_flags, const struct nbt_name *r)
+{
+ uint8_t *namebuf;
+ uint32_t namebuf_len;
+ uint32_t _name_len;
+ uint32_t scope_len = 0;
+
+ if (r == NULL) {
+ return ndr_push_error(ndr, NDR_ERR_INVALID_POINTER,
+ "wrepl_nbt_name NULL pointer");
+ }
+
+ if (!(ndr_flags & NDR_SCALARS)) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ _name_len = strlen(r->name);
+ if (_name_len > 15) {
+ return ndr_push_error(ndr, NDR_ERR_STRING,
+ "wrepl_nbt_name longer as 15 chars: %s",
+ r->name);
+ }
+
+ if (r->scope) {
+ scope_len = strlen(r->scope);
+ }
+ if (scope_len > 238) {
+ return ndr_push_error(ndr, NDR_ERR_STRING,
+ "wrepl_nbt_name scope longer as 238 chars: %s",
+ r->scope);
+ }
+
+ namebuf = (uint8_t *)talloc_asprintf(ndr, "%-15s%c%s",
+ r->name, 'X',
+ (r->scope?r->scope:""));
+ if (!namebuf) return ndr_push_error(ndr, NDR_ERR_ALLOC, "out of memory");
+
+ namebuf_len = strlen((char *)namebuf) + 1;
+
+ /*
+ * we need to set the type here, and use a place-holder in the talloc_asprintf()
+ * as the type can be 0x00, and then the namebuf_len = strlen(namebuf); would give wrong results
+ */
+ namebuf[15] = r->type;
+
+ /* oh wow, what a nasty bug in windows ... */
+ if (r->type == 0x1b) {
+ namebuf[15] = namebuf[0];
+ namebuf[0] = 0x1b;
+ }
+
+ NDR_CHECK(ndr_push_align(ndr, 4));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, namebuf_len));
+ NDR_CHECK(ndr_push_array_uint8(ndr, NDR_SCALARS, namebuf, namebuf_len));
+
+ talloc_free(namebuf);
+ return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ void ndr_print_wrepl_nbt_name(struct ndr_print *ndr, const char *name, const struct nbt_name *r)
+{
+ char *s = nbt_name_string(ndr, r);
+ ndr_print_string(ndr, name, s);
+ talloc_free(s);
+}
+
+_PUBLIC_ enum ndr_err_code ndr_push_nbt_res_rec(struct ndr_push *ndr, int ndr_flags, const struct nbt_res_rec *r)
+{
+ {
+ uint32_t _flags_save_STRUCT = ndr->flags;
+ ndr_set_flags(&ndr->flags, LIBNDR_PRINT_ARRAY_HEX);
+ if (ndr_flags & NDR_SCALARS) {
+ NDR_CHECK(ndr_push_align(ndr, 4));
+ NDR_CHECK(ndr_push_nbt_name(ndr, NDR_SCALARS, &r->name));
+ NDR_CHECK(ndr_push_nbt_qtype(ndr, NDR_SCALARS, r->rr_type));
+ NDR_CHECK(ndr_push_nbt_qclass(ndr, NDR_SCALARS, r->rr_class));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, r->ttl));
+ NDR_CHECK(ndr_push_set_switch_value(ndr, &r->rdata, ((((r->rr_type) == NBT_QTYPE_NETBIOS) && ((r->rdata).data.length == 2))?0:r->rr_type)));
+ NDR_CHECK(ndr_push_nbt_rdata(ndr, NDR_SCALARS, &r->rdata));
+ }
+ if (ndr_flags & NDR_BUFFERS) {
+ }
+ ndr->flags = _flags_save_STRUCT;
+ }
+ return NDR_ERR_SUCCESS;
+}
diff --git a/libcli/nbt/nbtsocket.c b/libcli/nbt/nbtsocket.c
new file mode 100644
index 0000000000..57531d2e7b
--- /dev/null
+++ b/libcli/nbt/nbtsocket.c
@@ -0,0 +1,521 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ low level socket handling for nbt requests
+
+ Copyright (C) Andrew Tridgell 2005
+
+ 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/events/events.h"
+#include "lib/util/dlinklist.h"
+#include "../libcli/nbt/libnbt.h"
+#include "lib/socket/socket.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+#include "param/param.h"
+
+#define NBT_MAX_REPLIES 1000
+
+/*
+ destroy a pending request
+*/
+static int nbt_name_request_destructor(struct nbt_name_request *req)
+{
+ if (req->state == NBT_REQUEST_SEND) {
+ DLIST_REMOVE(req->nbtsock->send_queue, req);
+ }
+ if (req->state == NBT_REQUEST_WAIT) {
+ req->nbtsock->num_pending--;
+ }
+ if (req->name_trn_id != 0 && !req->is_reply) {
+ idr_remove(req->nbtsock->idr, req->name_trn_id);
+ req->name_trn_id = 0;
+ }
+ if (req->te) {
+ talloc_free(req->te);
+ req->te = NULL;
+ }
+ if (req->nbtsock->send_queue == NULL) {
+ EVENT_FD_NOT_WRITEABLE(req->nbtsock->fde);
+ }
+ if (req->nbtsock->num_pending == 0 &&
+ req->nbtsock->incoming.handler == NULL) {
+ EVENT_FD_NOT_READABLE(req->nbtsock->fde);
+ }
+ return 0;
+}
+
+
+/*
+ handle send events on a nbt name socket
+*/
+static void nbt_name_socket_send(struct nbt_name_socket *nbtsock)
+{
+ struct nbt_name_request *req = nbtsock->send_queue;
+ TALLOC_CTX *tmp_ctx = talloc_new(nbtsock);
+ NTSTATUS status;
+
+ while ((req = nbtsock->send_queue)) {
+ size_t len;
+
+ len = req->encoded.length;
+ status = socket_sendto(nbtsock->sock, &req->encoded, &len,
+ req->dest);
+ if (NT_STATUS_IS_ERR(status)) goto failed;
+
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ DLIST_REMOVE(nbtsock->send_queue, req);
+ req->state = NBT_REQUEST_WAIT;
+ if (req->is_reply) {
+ talloc_free(req);
+ } else {
+ EVENT_FD_READABLE(nbtsock->fde);
+ nbtsock->num_pending++;
+ }
+ }
+
+ EVENT_FD_NOT_WRITEABLE(nbtsock->fde);
+ talloc_free(tmp_ctx);
+ return;
+
+failed:
+ DLIST_REMOVE(nbtsock->send_queue, req);
+ nbt_name_request_destructor(req);
+ req->status = status;
+ req->state = NBT_REQUEST_ERROR;
+ talloc_free(tmp_ctx);
+ if (req->async.fn) {
+ req->async.fn(req);
+ } else if (req->is_reply) {
+ talloc_free(req);
+ }
+ return;
+}
+
+
+/*
+ handle a request timeout
+*/
+static void nbt_name_socket_timeout(struct event_context *ev, struct timed_event *te,
+ struct timeval t, void *private)
+{
+ struct nbt_name_request *req = talloc_get_type(private,
+ struct nbt_name_request);
+
+ if (req->num_retries != 0) {
+ req->num_retries--;
+ req->te = event_add_timed(req->nbtsock->event_ctx, req,
+ timeval_add(&t, req->timeout, 0),
+ nbt_name_socket_timeout, req);
+ if (req->state != NBT_REQUEST_SEND) {
+ req->state = NBT_REQUEST_SEND;
+ DLIST_ADD_END(req->nbtsock->send_queue, req,
+ struct nbt_name_request *);
+ }
+ EVENT_FD_WRITEABLE(req->nbtsock->fde);
+ return;
+ }
+
+ nbt_name_request_destructor(req);
+ if (req->num_replies == 0) {
+ req->state = NBT_REQUEST_TIMEOUT;
+ req->status = NT_STATUS_IO_TIMEOUT;
+ } else {
+ req->state = NBT_REQUEST_DONE;
+ req->status = NT_STATUS_OK;
+ }
+ if (req->async.fn) {
+ req->async.fn(req);
+ } else if (req->is_reply) {
+ talloc_free(req);
+ }
+}
+
+
+
+/**
+ handle recv events on a nbt name socket
+*/
+static void nbt_name_socket_recv(struct nbt_name_socket *nbtsock)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(nbtsock);
+ NTSTATUS status;
+ enum ndr_err_code ndr_err;
+ struct socket_address *src;
+ DATA_BLOB blob;
+ size_t nread, dsize;
+ struct nbt_name_packet *packet;
+ struct nbt_name_request *req;
+
+ status = socket_pending(nbtsock->sock, &dsize);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ blob = data_blob_talloc(tmp_ctx, NULL, dsize);
+ if (blob.data == NULL) {
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ status = socket_recvfrom(nbtsock->sock, blob.data, blob.length, &nread,
+ tmp_ctx, &src);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ packet = talloc(tmp_ctx, struct nbt_name_packet);
+ if (packet == NULL) {
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ /* parse the request */
+ ndr_err = ndr_pull_struct_blob(&blob, packet, nbtsock->iconv_convenience, packet,
+ (ndr_pull_flags_fn_t)ndr_pull_nbt_name_packet);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ status = ndr_map_error2ntstatus(ndr_err);
+ DEBUG(2,("Failed to parse incoming NBT name packet - %s\n",
+ nt_errstr(status)));
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ if (DEBUGLVL(10)) {
+ DEBUG(10,("Received nbt packet of length %d from %s:%d\n",
+ (int)blob.length, src->addr, src->port));
+ NDR_PRINT_DEBUG(nbt_name_packet, packet);
+ }
+
+ /* if its not a reply then pass it off to the incoming request
+ handler, if any */
+ if (!(packet->operation & NBT_FLAG_REPLY)) {
+ if (nbtsock->incoming.handler) {
+ nbtsock->incoming.handler(nbtsock, packet, src);
+ }
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ /* find the matching request */
+ req = (struct nbt_name_request *)idr_find(nbtsock->idr,
+ packet->name_trn_id);
+ if (req == NULL) {
+ if (nbtsock->unexpected.handler) {
+ nbtsock->unexpected.handler(nbtsock, packet, src);
+ } else {
+ DEBUG(10,("Failed to match request for incoming name packet id 0x%04x on %p\n",
+ packet->name_trn_id, nbtsock));
+ }
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ /* if this is a WACK response, this we need to go back to waiting,
+ but perhaps increase the timeout */
+ if ((packet->operation & NBT_OPCODE) == NBT_OPCODE_WACK) {
+ if (req->received_wack || packet->ancount < 1) {
+ nbt_name_request_destructor(req);
+ req->status = NT_STATUS_INVALID_NETWORK_RESPONSE;
+ req->state = NBT_REQUEST_ERROR;
+ goto done;
+ }
+ talloc_free(req->te);
+ /* we know we won't need any more retries - the server
+ has received our request */
+ req->num_retries = 0;
+ req->received_wack = true;
+ /* although there can be a timeout in the packet, w2k3 screws it up,
+ so better to set it ourselves */
+ req->timeout = lp_parm_int(global_loadparm, NULL, "nbt", "wack_timeout", 30);
+ req->te = event_add_timed(req->nbtsock->event_ctx, req,
+ timeval_current_ofs(req->timeout, 0),
+ nbt_name_socket_timeout, req);
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+
+ req->replies = talloc_realloc(req, req->replies, struct nbt_name_reply, req->num_replies+1);
+ if (req->replies == NULL) {
+ nbt_name_request_destructor(req);
+ req->state = NBT_REQUEST_ERROR;
+ req->status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ talloc_steal(req, src);
+ req->replies[req->num_replies].dest = src;
+ talloc_steal(req, packet);
+ req->replies[req->num_replies].packet = packet;
+ req->num_replies++;
+
+ /* if we don't want multiple replies then we are done */
+ if (req->allow_multiple_replies &&
+ req->num_replies < NBT_MAX_REPLIES) {
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ nbt_name_request_destructor(req);
+ req->state = NBT_REQUEST_DONE;
+ req->status = NT_STATUS_OK;
+
+done:
+ talloc_free(tmp_ctx);
+ if (req->async.fn) {
+ req->async.fn(req);
+ }
+}
+
+/*
+ handle fd events on a nbt_name_socket
+*/
+static void nbt_name_socket_handler(struct event_context *ev, struct fd_event *fde,
+ uint16_t flags, void *private)
+{
+ struct nbt_name_socket *nbtsock = talloc_get_type(private,
+ struct nbt_name_socket);
+ if (flags & EVENT_FD_WRITE) {
+ nbt_name_socket_send(nbtsock);
+ }
+ if (flags & EVENT_FD_READ) {
+ nbt_name_socket_recv(nbtsock);
+ }
+}
+
+
+/*
+ initialise a nbt_name_socket. The event_ctx is optional, if provided
+ then operations will use that event context
+*/
+_PUBLIC_ struct nbt_name_socket *nbt_name_socket_init(TALLOC_CTX *mem_ctx,
+ struct event_context *event_ctx,
+ struct smb_iconv_convenience *iconv_convenience)
+{
+ struct nbt_name_socket *nbtsock;
+ NTSTATUS status;
+
+ nbtsock = talloc(mem_ctx, struct nbt_name_socket);
+ if (nbtsock == NULL) goto failed;
+
+ nbtsock->event_ctx = talloc_reference(nbtsock, event_ctx);
+ if (nbtsock->event_ctx == NULL) goto failed;
+
+ status = socket_create("ip", SOCKET_TYPE_DGRAM, &nbtsock->sock, 0);
+ if (!NT_STATUS_IS_OK(status)) goto failed;
+
+ socket_set_option(nbtsock->sock, "SO_BROADCAST", "1");
+
+ talloc_steal(nbtsock, nbtsock->sock);
+
+ nbtsock->idr = idr_init(nbtsock);
+ if (nbtsock->idr == NULL) goto failed;
+
+ nbtsock->send_queue = NULL;
+ nbtsock->num_pending = 0;
+ nbtsock->incoming.handler = NULL;
+ nbtsock->unexpected.handler = NULL;
+ nbtsock->iconv_convenience = iconv_convenience;
+
+ nbtsock->fde = event_add_fd(nbtsock->event_ctx, nbtsock,
+ socket_get_fd(nbtsock->sock), 0,
+ nbt_name_socket_handler, nbtsock);
+
+ return nbtsock;
+
+failed:
+ talloc_free(nbtsock);
+ return NULL;
+}
+
+/*
+ send off a nbt name request
+*/
+struct nbt_name_request *nbt_name_request_send(struct nbt_name_socket *nbtsock,
+ struct socket_address *dest,
+ struct nbt_name_packet *request,
+ int timeout, int retries,
+ bool allow_multiple_replies)
+{
+ struct nbt_name_request *req;
+ int id;
+ enum ndr_err_code ndr_err;
+
+ req = talloc_zero(nbtsock, struct nbt_name_request);
+ if (req == NULL) goto failed;
+
+ req->nbtsock = nbtsock;
+ req->allow_multiple_replies = allow_multiple_replies;
+ req->state = NBT_REQUEST_SEND;
+ req->is_reply = false;
+ req->timeout = timeout;
+ req->num_retries = retries;
+ req->dest = dest;
+ if (talloc_reference(req, dest) == NULL) goto failed;
+
+ /* we select a random transaction id unless the user supplied one */
+ if (request->name_trn_id == 0) {
+ id = idr_get_new_random(req->nbtsock->idr, req, UINT16_MAX);
+ } else {
+ if (idr_find(req->nbtsock->idr, request->name_trn_id)) goto failed;
+ id = idr_get_new_above(req->nbtsock->idr, req, request->name_trn_id,
+ UINT16_MAX);
+ }
+ if (id == -1) goto failed;
+
+ request->name_trn_id = id;
+ req->name_trn_id = id;
+
+ req->te = event_add_timed(nbtsock->event_ctx, req,
+ timeval_current_ofs(req->timeout, 0),
+ nbt_name_socket_timeout, req);
+
+ talloc_set_destructor(req, nbt_name_request_destructor);
+
+ ndr_err = ndr_push_struct_blob(&req->encoded, req,
+ req->nbtsock->iconv_convenience,
+ request,
+ (ndr_push_flags_fn_t)ndr_push_nbt_name_packet);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) goto failed;
+
+ DLIST_ADD_END(nbtsock->send_queue, req, struct nbt_name_request *);
+
+ if (DEBUGLVL(10)) {
+ DEBUG(10,("Queueing nbt packet to %s:%d\n",
+ req->dest->addr, req->dest->port));
+ NDR_PRINT_DEBUG(nbt_name_packet, request);
+ }
+
+ EVENT_FD_WRITEABLE(nbtsock->fde);
+
+ return req;
+
+failed:
+ talloc_free(req);
+ return NULL;
+}
+
+
+/*
+ send off a nbt name reply
+*/
+_PUBLIC_ NTSTATUS nbt_name_reply_send(struct nbt_name_socket *nbtsock,
+ struct socket_address *dest,
+ struct nbt_name_packet *request)
+{
+ struct nbt_name_request *req;
+ enum ndr_err_code ndr_err;
+
+ req = talloc_zero(nbtsock, struct nbt_name_request);
+ NT_STATUS_HAVE_NO_MEMORY(req);
+
+ req->nbtsock = nbtsock;
+ req->dest = dest;
+ if (talloc_reference(req, dest) == NULL) goto failed;
+ req->state = NBT_REQUEST_SEND;
+ req->is_reply = true;
+
+ talloc_set_destructor(req, nbt_name_request_destructor);
+
+ if (DEBUGLVL(10)) {
+ NDR_PRINT_DEBUG(nbt_name_packet, request);
+ }
+
+ ndr_err = ndr_push_struct_blob(&req->encoded, req,
+ req->nbtsock->iconv_convenience,
+ request,
+ (ndr_push_flags_fn_t)ndr_push_nbt_name_packet);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ talloc_free(req);
+ return ndr_map_error2ntstatus(ndr_err);
+ }
+
+ DLIST_ADD_END(nbtsock->send_queue, req, struct nbt_name_request *);
+
+ EVENT_FD_WRITEABLE(nbtsock->fde);
+
+ return NT_STATUS_OK;
+
+failed:
+ talloc_free(req);
+ return NT_STATUS_NO_MEMORY;
+}
+
+/*
+ wait for a nbt request to complete
+*/
+NTSTATUS nbt_name_request_recv(struct nbt_name_request *req)
+{
+ if (!req) return NT_STATUS_NO_MEMORY;
+
+ while (req->state < NBT_REQUEST_DONE) {
+ if (event_loop_once(req->nbtsock->event_ctx) != 0) {
+ req->state = NBT_REQUEST_ERROR;
+ req->status = NT_STATUS_UNEXPECTED_NETWORK_ERROR;
+ break;
+ }
+ }
+ return req->status;
+}
+
+
+/*
+ setup a handler for incoming requests
+*/
+_PUBLIC_ NTSTATUS nbt_set_incoming_handler(struct nbt_name_socket *nbtsock,
+ void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
+ struct socket_address *),
+ void *private)
+{
+ nbtsock->incoming.handler = handler;
+ nbtsock->incoming.private_data = private;
+ EVENT_FD_READABLE(nbtsock->fde);
+ return NT_STATUS_OK;
+}
+
+
+/*
+ turn a NBT rcode into a NTSTATUS
+*/
+_PUBLIC_ NTSTATUS nbt_rcode_to_ntstatus(uint8_t rcode)
+{
+ int i;
+ struct {
+ enum nbt_rcode rcode;
+ NTSTATUS status;
+ } map[] = {
+ { NBT_RCODE_FMT, NT_STATUS_INVALID_PARAMETER },
+ { NBT_RCODE_SVR, NT_STATUS_SERVER_DISABLED },
+ { NBT_RCODE_NAM, NT_STATUS_OBJECT_NAME_NOT_FOUND },
+ { NBT_RCODE_IMP, NT_STATUS_NOT_SUPPORTED },
+ { NBT_RCODE_RFS, NT_STATUS_ACCESS_DENIED },
+ { NBT_RCODE_ACT, NT_STATUS_ADDRESS_ALREADY_EXISTS },
+ { NBT_RCODE_CFT, NT_STATUS_CONFLICTING_ADDRESSES }
+ };
+ for (i=0;i<ARRAY_SIZE(map);i++) {
+ if (map[i].rcode == rcode) {
+ return map[i].status;
+ }
+ }
+ return NT_STATUS_UNSUCCESSFUL;
+}
diff --git a/libcli/nbt/pynbt.c b/libcli/nbt/pynbt.c
new file mode 100644
index 0000000000..e49c1776a3
--- /dev/null
+++ b/libcli/nbt/pynbt.c
@@ -0,0 +1,408 @@
+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+ Copyright © Jelmer Vernooij <jelmer@samba.org> 2008
+
+ 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 <Python.h>
+#include "libcli/util/pyerrors.h"
+#include "../libcli/nbt/libnbt.h"
+#include "lib/events/events.h"
+#include "param/param.h"
+
+PyAPI_DATA(PyTypeObject) nbt_node_Type;
+
+typedef struct {
+ PyObject_HEAD
+ TALLOC_CTX *mem_ctx;
+ struct nbt_name_socket *socket;
+} nbt_node_Object;
+
+static void py_nbt_node_dealloc(PyObject *obj)
+{
+ talloc_free(((nbt_node_Object *)obj)->mem_ctx);
+ PyObject_Del(obj);
+}
+
+static PyObject *py_nbt_node_init(PyTypeObject *self, PyObject *args, PyObject *kwargs)
+{
+ struct event_context *ev;
+ nbt_node_Object *ret = PyObject_New(nbt_node_Object, &nbt_node_Type);
+
+ ret->mem_ctx = talloc_new(NULL);
+ if (ret->mem_ctx == NULL)
+ return NULL;
+
+ ev = s4_event_context_init(ret->mem_ctx);
+ ret->socket = nbt_name_socket_init(ret->mem_ctx, ev, lp_iconv_convenience(global_loadparm));
+ return (PyObject *)ret;
+}
+
+static bool PyObject_AsDestinationTuple(PyObject *obj, const char **dest_addr, uint16_t *dest_port)
+{
+ if (PyString_Check(obj)) {
+ *dest_addr = PyString_AsString(obj);
+ *dest_port = NBT_NAME_SERVICE_PORT;
+ return true;
+ }
+
+ if (PyTuple_Check(obj)) {
+ if (PyTuple_Size(obj) < 1) {
+ PyErr_SetString(PyExc_TypeError, "Destination tuple size invalid");
+ return false;
+ }
+
+ if (!PyString_Check(PyTuple_GetItem(obj, 0))) {
+ PyErr_SetString(PyExc_TypeError, "Destination tuple first element not string");
+ return false;
+ }
+
+ *dest_addr = PyString_AsString(obj);
+
+ if (PyTuple_Size(obj) == 1) {
+ *dest_port = NBT_NAME_SERVICE_PORT;
+ return true;
+ } else if (PyInt_Check(PyTuple_GetItem(obj, 1))) {
+ *dest_port = PyInt_AsLong(PyTuple_GetItem(obj, 1));
+ return true;
+ } else {
+ PyErr_SetString(PyExc_TypeError, "Destination tuple second element not a port");
+ return false;
+ }
+ }
+
+ PyErr_SetString(PyExc_TypeError, "Destination tuple second element not a port");
+ return false;
+}
+
+static bool PyObject_AsNBTName(PyObject *obj, struct nbt_name_socket *socket, struct nbt_name *name)
+{
+ if (PyTuple_Check(obj)) {
+ if (PyTuple_Size(obj) == 2) {
+ name->name = PyString_AsString(PyTuple_GetItem(obj, 0));
+ name->type = PyInt_AsLong(PyTuple_GetItem(obj, 1));
+ name->scope = NULL;
+ return true;
+ } else if (PyTuple_Size(obj) == 3) {
+ name->name = PyString_AsString(PyTuple_GetItem(obj, 0));
+ name->scope = PyString_AsString(PyTuple_GetItem(obj, 1));
+ name->type = PyInt_AsLong(PyTuple_GetItem(obj, 2));
+ return true;
+ } else {
+ PyErr_SetString(PyExc_TypeError, "Invalid tuple size");
+ return false;
+ }
+ }
+
+ if (PyString_Check(obj)) {
+ /* FIXME: Parse string to be able to interpret things like RHONWYN<02> ? */
+ name->name = PyString_AsString(obj);
+ name->scope = NULL;
+ name->type = 0;
+ return true;
+ }
+
+ PyErr_SetString(PyExc_TypeError, "Invalid type for object");
+ return false;
+}
+
+static PyObject *PyObject_FromNBTName(struct nbt_name_socket *socket, struct smb_iconv_convenience *ic,
+ struct nbt_name *name)
+{
+ if (name->scope) {
+ return Py_BuildValue("(ssi)", name->name, name->scope, name->type);
+ } else {
+ return Py_BuildValue("(si)", name->name, name->type);
+ }
+}
+
+static PyObject *py_nbt_name_query(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ nbt_node_Object *node = (nbt_node_Object *)self;
+ PyObject *ret, *reply_addrs, *py_dest, *py_name;
+ struct nbt_name_query io;
+ NTSTATUS status;
+ int i;
+
+ const char *kwnames[] = { "name", "dest", "broadcast", "wins", "timeout",
+ "retries", NULL };
+ io.in.broadcast = true;
+ io.in.wins_lookup = false;
+ io.in.timeout = 0;
+ io.in.retries = 3;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO|bbii:query_name",
+ discard_const_p(char *, kwnames),
+ &py_name, &py_dest,
+ &io.in.broadcast, &io.in.wins_lookup,
+ &io.in.timeout, &io.in.retries)) {
+ return NULL;
+ }
+
+ if (!PyObject_AsDestinationTuple(py_dest, &io.in.dest_addr, &io.in.dest_port))
+ return NULL;
+
+ if (!PyObject_AsNBTName(py_name, node->socket, &io.in.name))
+ return NULL;
+
+ status = nbt_name_query(node->socket, NULL, &io);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ PyErr_SetNTSTATUS(status);
+ return NULL;
+ }
+
+ ret = PyTuple_New(3);
+ if (ret == NULL)
+ return NULL;
+ PyTuple_SetItem(ret, 0, PyString_FromString(io.out.reply_from));
+
+ py_name = PyObject_FromNBTName(node->socket, lp_iconv_convenience(global_loadparm), &io.out.name);
+ if (py_name == NULL)
+ return NULL;
+
+ PyTuple_SetItem(ret, 1, py_name);
+
+ reply_addrs = PyList_New(io.out.num_addrs);
+ if (reply_addrs == NULL) {
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+ for (i = 0; i < io.out.num_addrs; i++) {
+ PyList_SetItem(reply_addrs, i, PyString_FromString(io.out.reply_addrs[i]));
+ }
+
+ PyTuple_SetItem(ret, 2, reply_addrs);
+ return ret;
+}
+
+static PyObject *py_nbt_name_status(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ nbt_node_Object *node = (nbt_node_Object *)self;
+ PyObject *ret, *py_dest, *py_name, *py_names;
+ struct nbt_name_status io;
+ int i;
+ NTSTATUS status;
+
+ const char *kwnames[] = { "name", "dest", "timeout", "retries", NULL };
+
+ io.in.timeout = 0;
+ io.in.retries = 0;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO|ii:name_status",
+ discard_const_p(char *, kwnames),
+ &py_name, &py_dest,
+ &io.in.timeout, &io.in.retries)) {
+ return NULL;
+ }
+
+ if (!PyObject_AsDestinationTuple(py_dest, &io.in.dest_addr, &io.in.dest_port))
+ return NULL;
+
+ if (!PyObject_AsNBTName(py_name, node->socket, &io.in.name))
+ return NULL;
+
+ status = nbt_name_status(node->socket, NULL, &io);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ PyErr_SetNTSTATUS(status);
+ return NULL;
+ }
+
+ ret = PyTuple_New(3);
+ if (ret == NULL)
+ return NULL;
+ PyTuple_SetItem(ret, 0, PyString_FromString(io.out.reply_from));
+
+ py_name = PyObject_FromNBTName(node->socket, lp_iconv_convenience(global_loadparm), &io.out.name);
+ if (py_name == NULL)
+ return NULL;
+
+ PyTuple_SetItem(ret, 1, py_name);
+
+ py_names = PyList_New(io.out.status.num_names);
+
+ for (i = 0; i < io.out.status.num_names; i++) {
+ PyList_SetItem(py_names, i, Py_BuildValue("(sii)",
+ io.out.status.names[i].name,
+ io.out.status.names[i].nb_flags,
+ io.out.status.names[i].type));
+ }
+
+ PyTuple_SetItem(ret, 2, py_names);
+
+ return ret;
+}
+
+static PyObject *py_nbt_name_register(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ nbt_node_Object *node = (nbt_node_Object *)self;
+ PyObject *ret, *py_dest, *py_name;
+ struct nbt_name_register io;
+ NTSTATUS status;
+
+ const char *kwnames[] = { "name", "address", "dest", "register_demand", "broadcast",
+ "multi_homed", "ttl", "timeout", "retries", NULL };
+
+ io.in.broadcast = true;
+ io.in.multi_homed = true;
+ io.in.register_demand = true;
+ io.in.timeout = 0;
+ io.in.retries = 0;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OsO|bbbiii:query_name",
+ discard_const_p(char *, kwnames),
+ &py_name, &io.in.address, &py_dest,
+ &io.in.register_demand,
+ &io.in.broadcast, &io.in.multi_homed,
+ &io.in.ttl, &io.in.timeout, &io.in.retries)) {
+ return NULL;
+ }
+
+ if (!PyObject_AsDestinationTuple(py_dest, &io.in.dest_addr, &io.in.dest_port))
+ return NULL;
+
+ if (!PyObject_AsNBTName(py_name, node->socket, &io.in.name))
+ return NULL;
+
+ status = nbt_name_register(node->socket, NULL, &io);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ PyErr_SetNTSTATUS(status);
+ return NULL;
+ }
+
+ ret = PyTuple_New(3);
+ if (ret == NULL)
+ return NULL;
+ PyTuple_SetItem(ret, 0, PyString_FromString(io.out.reply_from));
+
+ py_name = PyObject_FromNBTName(node->socket, lp_iconv_convenience(global_loadparm), &io.out.name);
+ if (py_name == NULL)
+ return NULL;
+
+ PyTuple_SetItem(ret, 1, py_name);
+
+ PyTuple_SetItem(ret, 2, PyString_FromString(io.out.reply_addr));
+
+ PyTuple_SetItem(ret, 3, PyInt_FromLong(io.out.rcode));
+
+ return ret;
+}
+
+static PyObject *py_nbt_name_refresh(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ nbt_node_Object *node = (nbt_node_Object *)self;
+ PyObject *ret, *py_dest, *py_name;
+ struct nbt_name_refresh io;
+ NTSTATUS status;
+
+ const char *kwnames[] = { "name", "address", "dest", "nb_flags", "broadcast",
+ "ttl", "timeout", "retries", NULL };
+
+ io.in.broadcast = true;
+ io.in.nb_flags = 0;
+ io.in.timeout = 0;
+ io.in.retries = 0;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OsO|ibiii:query_name",
+ discard_const_p(char *, kwnames),
+ &py_name, &io.in.address, &py_dest,
+ &io.in.nb_flags,
+ &io.in.broadcast,
+ &io.in.ttl, &io.in.timeout, &io.in.retries)) {
+ return NULL;
+ }
+
+ if (!PyObject_AsDestinationTuple(py_dest, &io.in.dest_addr, &io.in.dest_port))
+ return NULL;
+
+ if (!PyObject_AsNBTName(py_name, node->socket, &io.in.name))
+ return NULL;
+
+ status = nbt_name_refresh(node->socket, NULL, &io);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ PyErr_SetNTSTATUS(status);
+ return NULL;
+ }
+
+ ret = PyTuple_New(3);
+ if (ret == NULL)
+ return NULL;
+ PyTuple_SetItem(ret, 0, PyString_FromString(io.out.reply_from));
+
+ py_name = PyObject_FromNBTName(node->socket, lp_iconv_convenience(global_loadparm), &io.out.name);
+ if (py_name == NULL)
+ return NULL;
+
+ PyTuple_SetItem(ret, 1, py_name);
+
+ PyTuple_SetItem(ret, 2, PyString_FromString(io.out.reply_addr));
+
+ PyTuple_SetItem(ret, 3, PyInt_FromLong(io.out.rcode));
+
+ return ret;
+}
+
+static PyObject *py_nbt_name_release(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ return Py_None; /* FIXME */
+}
+
+static PyMethodDef py_nbt_methods[] = {
+ { "query_name", (PyCFunction)py_nbt_name_query, METH_VARARGS|METH_KEYWORDS,
+ "S.query_name(name, dest, broadcast=True, wins=False, timeout=0, retries=3) -> (reply_from, name, reply_addr)\n"
+ "Query for a NetBIOS name" },
+ { "register_name", (PyCFunction)py_nbt_name_register, METH_VARARGS|METH_KEYWORDS,
+ "S.register_name(name, address, dest, register_demand=True, broadcast=True, multi_homed=True, ttl=0, timeout=0, retries=0) -> (reply_from, name, reply_addr, rcode)\n"
+ "Register a new name" },
+ { "release_name", (PyCFunction)py_nbt_name_release, METH_VARARGS|METH_KEYWORDS, "S.release_name(name, address, dest, nb_flags=0, broadcast=true, timeout=0, retries=3) -> (reply_from, name, reply_addr, rcode)\n"
+ "release a previously registered name" },
+ { "refresh_name", (PyCFunction)py_nbt_name_refresh, METH_VARARGS|METH_KEYWORDS, "S.refresh_name(name, address, dest, nb_flags=0, broadcast=True, ttl=0, timeout=0, retries=0) -> (reply_from, name, reply_addr, rcode)\n"
+ "release a previously registered name" },
+ { "name_status", (PyCFunction)py_nbt_name_status, METH_VARARGS|METH_KEYWORDS,
+ "S.name_status(name, dest, timeout=0, retries=0) -> (reply_from, name, status)\n"
+ "Find the status of a name" },
+
+ { NULL }
+};
+
+PyTypeObject nbt_node_Type = {
+ PyObject_HEAD_INIT(NULL) 0,
+ .tp_name = "netbios.Node",
+ .tp_basicsize = sizeof(nbt_node_Object),
+ .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
+ .tp_new = py_nbt_node_init,
+ .tp_dealloc = py_nbt_node_dealloc,
+ .tp_methods = py_nbt_methods,
+ .tp_doc = "Node()\n"
+ "Create a new NetBIOS node\n"
+};
+
+void initnetbios(void)
+{
+ PyObject *mod;
+ if (PyType_Ready(&nbt_node_Type) < 0)
+ return;
+
+ mod = Py_InitModule3("netbios", NULL, "NetBIOS over TCP/IP support");
+
+ Py_INCREF((PyObject *)&nbt_node_Type);
+ PyModule_AddObject(mod, "Node", (PyObject *)&nbt_node_Type);
+}