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-rw-r--r--source4/libcli/config.mk3
-rw-r--r--source4/libcli/dgram/libdgram.h16
-rw-r--r--source4/libcli/dgram/mailslot.c61
-rw-r--r--source4/libcli/dgram/netlogon.c58
-rw-r--r--source4/librpc/idl/nbt.idl38
-rw-r--r--source4/torture/config.mk3
-rw-r--r--source4/torture/nbt/dgram.c124
-rw-r--r--source4/torture/torture.c1
8 files changed, 291 insertions, 13 deletions
diff --git a/source4/libcli/config.mk b/source4/libcli/config.mk
index f90f9907ad..56e923daa2 100644
--- a/source4/libcli/config.mk
+++ b/source4/libcli/config.mk
@@ -38,7 +38,8 @@ REQUIRED_SUBSYSTEMS = LIBNDR_RAW NDR_NBT SOCKET LIBCLI_COMPOSITE_BASE LIBEVENTS
[SUBSYSTEM::LIBCLI_DGRAM]
ADD_OBJ_FILES = \
libcli/dgram/dgramsocket.o \
- libcli/dgram/mailslot.o
+ libcli/dgram/mailslot.o \
+ libcli/dgram/netlogon.o
NOPROTO=YES
REQUIRED_SUBSYSTEMS = LIBCLI_NBT
diff --git a/source4/libcli/dgram/libdgram.h b/source4/libcli/dgram/libdgram.h
index 866877e341..482fd86980 100644
--- a/source4/libcli/dgram/libdgram.h
+++ b/source4/libcli/dgram/libdgram.h
@@ -111,8 +111,18 @@ struct dgram_mailslot_handler *dgram_mailslot_temp(struct nbt_dgram_socket *dgms
void *private);
-
-
-
+NTSTATUS dgram_mailslot_send(struct nbt_dgram_socket *dgmsock,
+ enum dgram_msg_type msg_type,
+ const char *mailslot_name,
+ struct nbt_name *dest_name,
+ const char *dest_address,
+ struct nbt_name *src_name,
+ DATA_BLOB *request);
+
+NTSTATUS dgram_mailslot_netlogon_send(struct nbt_dgram_socket *dgmsock,
+ struct nbt_name *dest_name,
+ const char *dest_address,
+ struct nbt_name *src_name,
+ struct nbt_netlogon_packet *request);
diff --git a/source4/libcli/dgram/mailslot.c b/source4/libcli/dgram/mailslot.c
index da9b6cdd20..89aab9c874 100644
--- a/source4/libcli/dgram/mailslot.c
+++ b/source4/libcli/dgram/mailslot.c
@@ -115,9 +115,9 @@ struct dgram_mailslot_handler *dgram_mailslot_temp(struct nbt_dgram_socket *dgms
/* try a 100 times at most */
for (i=0;i<100;i++) {
- name = talloc_asprintf(dgmsock, "%s%u",
+ name = talloc_asprintf(dgmsock, "%s%03u",
mailslot_name,
- generate_random() % UINT16_MAX);
+ generate_random() % 1000);
if (name == NULL) return NULL;
if (dgram_mailslot_find(dgmsock, name)) {
talloc_free(name);
@@ -130,3 +130,60 @@ struct dgram_mailslot_handler *dgram_mailslot_temp(struct nbt_dgram_socket *dgms
DEBUG(2,("Unable to create temporary mailslot from %s\n", mailslot_name));
return NULL;
}
+
+
+/*
+ send a mailslot request
+*/
+NTSTATUS dgram_mailslot_send(struct nbt_dgram_socket *dgmsock,
+ enum dgram_msg_type msg_type,
+ const char *mailslot_name,
+ struct nbt_name *dest_name,
+ const char *dest_address,
+ struct nbt_name *src_name,
+ DATA_BLOB *request)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
+ struct nbt_dgram_packet packet;
+ struct dgram_message *msg;
+ struct dgram_smb_packet *smb;
+ struct smb_trans_body *trans;
+ NTSTATUS status;
+
+ ZERO_STRUCT(packet);
+ packet.msg_type = msg_type;
+ packet.flags = DGRAM_FLAG_FIRST;
+ packet.dgram_id = generate_random() % UINT16_MAX;
+ packet.source = socket_get_my_addr(dgmsock->sock, tmp_ctx);
+ packet.src_port = socket_get_my_port(dgmsock->sock);
+
+ msg = &packet.data.msg;
+ /* this length calculation is very crude - it should be based on gensize
+ calls */
+ msg->length = 138 + strlen(mailslot_name) + request->length;
+ msg->offset = 0;
+
+ msg->source_name = *src_name;
+ msg->dest_name = *dest_name;
+ msg->dgram_body_type = DGRAM_SMB;
+
+ smb = &msg->body.smb;
+ smb->smb_command = SMB_TRANSACTION;
+
+ trans = &smb->body.trans;
+ trans->total_data_count = request->length;
+ trans->timeout = (uint32_t)-1;
+ trans->data_count = request->length;
+ trans->data_offset = 70 + strlen(mailslot_name);
+ trans->opcode = 1; /* write mail slot */
+ trans->priority = 1;
+ trans->class = 2;
+ trans->mailslot_name = mailslot_name;
+ trans->data = *request;
+
+ status = nbt_dgram_send(dgmsock, &packet, dest_address, lp_dgram_port());
+
+ talloc_free(tmp_ctx);
+
+ return status;
+}
diff --git a/source4/libcli/dgram/netlogon.c b/source4/libcli/dgram/netlogon.c
new file mode 100644
index 0000000000..1f3a3d6c62
--- /dev/null
+++ b/source4/libcli/dgram/netlogon.c
@@ -0,0 +1,58 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ handling for netlogon dgram 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 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "lib/events/events.h"
+#include "dlinklist.h"
+#include "libcli/nbt/libnbt.h"
+#include "libcli/dgram/libdgram.h"
+#include "lib/socket/socket.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+
+/*
+ send a netlogon mailslot request
+*/
+NTSTATUS dgram_mailslot_netlogon_send(struct nbt_dgram_socket *dgmsock,
+ struct nbt_name *dest_name,
+ const char *dest_address,
+ struct nbt_name *src_name,
+ struct nbt_netlogon_packet *request)
+{
+ NTSTATUS status;
+ DATA_BLOB blob;
+ TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
+
+ status = ndr_push_struct_blob(&blob, tmp_ctx, request,
+ (ndr_push_flags_fn_t)ndr_push_nbt_netlogon_packet);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(tmp_ctx);
+ return status;
+ }
+
+
+ status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE,
+ "\\MAILSLOT\\NET\\NETLOGON",
+ dest_name, dest_address, src_name, &blob);
+ talloc_free(tmp_ctx);
+ return status;
+}
+
diff --git a/source4/librpc/idl/nbt.idl b/source4/librpc/idl/nbt.idl
index cd009530d1..09738820bb 100644
--- a/source4/librpc/idl/nbt.idl
+++ b/source4/librpc/idl/nbt.idl
@@ -200,16 +200,16 @@ interface nbt
} dgram_msg_type;
typedef [bitmap8bit] bitmap {
- DGRAM_FLAG_MORE = 0x80,
- DGRAM_FLAG_FIRST = 0x40,
- DGRAM_FLAG_NODE_TYPE = 0x30
+ DGRAM_FLAG_MORE = 0x01,
+ DGRAM_FLAG_FIRST = 0x02,
+ DGRAM_FLAG_NODE_TYPE = 0x0C
} dgram_flags;
typedef [enum8bit] enum {
DGRAM_NODE_B = 0x00,
- DGRAM_NODE_P = 0x10,
- DGRAM_NODE_M = 0x20,
- DGRAM_NODE_NBDD = 0x30
+ DGRAM_NODE_P = 0x04,
+ DGRAM_NODE_M = 0x08,
+ DGRAM_NODE_NBDD = 0x0C
} dgram_node_type;
/* a dgram_message is the main dgram body in general use */
@@ -317,4 +317,30 @@ interface nbt
uint16 src_port;
[switch_is(msg_type)] dgram_data data;
} nbt_dgram_packet;
+
+
+ /* \MAILSLOT\NET\NETLOGON mailslot requests */
+ typedef [enum8bit] enum {
+ NETLOGON_QUERY_FOR_PDC = 0x7
+ } nbt_netlogon_command;
+
+ /* query for pdc request */
+ typedef struct {
+ astring computer_name;
+ astring mailslot_name;
+ nstring unicode_name;
+ uint32 nt_version;
+ uint16 lmnt_token;
+ uint16 lm20_token;
+ } nbt_netlogon_query_for_pdc;
+
+ typedef [nodiscriminant] union {
+ [case(NETLOGON_QUERY_FOR_PDC)] nbt_netlogon_query_for_pdc pdc;
+ } nbt_netlogon_request;
+
+ typedef [flag(NDR_NOALIGN),public] struct {
+ nbt_netlogon_command command;
+ uint8 pad;
+ [switch_is(command)] nbt_netlogon_request req;
+ } nbt_netlogon_packet;
}
diff --git a/source4/torture/config.mk b/source4/torture/config.mk
index 80fdefcf36..e8920e6e57 100644
--- a/source4/torture/config.mk
+++ b/source4/torture/config.mk
@@ -176,7 +176,8 @@ ADD_OBJ_FILES = \
torture/nbt/register.o \
torture/nbt/wins.o \
torture/nbt/winsbench.o \
- torture/nbt/winsreplication.o
+ torture/nbt/winsreplication.o \
+ torture/nbt/dgram.o
REQUIRED_SUBSYSTEMS = \
LIBSMB LIBCLI_WINS
# End SUBSYSTEM TORTURE_NBT
diff --git a/source4/torture/nbt/dgram.c b/source4/torture/nbt/dgram.c
new file mode 100644
index 0000000000..c87940a94d
--- /dev/null
+++ b/source4/torture/nbt/dgram.c
@@ -0,0 +1,124 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ NBT dgram testing
+
+ 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 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "libcli/nbt/libnbt.h"
+#include "libcli/dgram/libdgram.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+#include "lib/socket/socket.h"
+#include "lib/events/events.h"
+
+#define TEST_NAME "TORTURE_TEST"
+
+/*
+ reply handler for netlogon request
+*/
+static void netlogon_handler(struct dgram_mailslot_handler *dgmslot,
+ struct nbt_dgram_packet *packet,
+ const char *src_address, int src_port)
+{
+ printf("netlogon reply from %s:%d\n", src_address, src_port);
+}
+
+/* test UDP/138 netlogon requests */
+static BOOL nbt_test_netlogon(TALLOC_CTX *mem_ctx,
+ struct nbt_name name, const char *address)
+{
+ struct dgram_mailslot_handler *dgmslot;
+ struct nbt_dgram_socket *dgmsock = nbt_dgram_socket_init(mem_ctx, NULL);
+ const char *myaddress = talloc_strdup(mem_ctx, iface_best_ip(address));
+ struct nbt_netlogon_packet logon;
+ struct nbt_name myname;
+ NTSTATUS status;
+ int timelimit = lp_parm_int(-1, "torture", "timelimit", 10);
+ struct timeval tv = timeval_current();
+
+ socket_listen(dgmsock->sock, myaddress, 0, 0, 0);
+
+ /* setup a temporary mailslot listener for replies */
+ dgmslot = dgram_mailslot_temp(dgmsock, "\\MAILSLOT\\NET\\GETDC",
+ netlogon_handler, NULL);
+
+
+ ZERO_STRUCT(logon);
+ logon.command = NETLOGON_QUERY_FOR_PDC;
+ logon.req.pdc.computer_name = TEST_NAME;
+ logon.req.pdc.mailslot_name = dgmslot->mailslot_name;
+ logon.req.pdc.unicode_name = TEST_NAME;
+ logon.req.pdc.nt_version = 1;
+ logon.req.pdc.lmnt_token = 0xFFFF;
+ logon.req.pdc.lm20_token = 0xFFFF;
+
+ myname.name = TEST_NAME;
+ myname.type = NBT_NAME_CLIENT;
+ myname.scope = NULL;
+
+ status = dgram_mailslot_netlogon_send(dgmsock, &name, address, &myname, &logon);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("Failed to send netlogon request - %s\n", nt_errstr(status));
+ goto failed;
+ }
+
+
+ while (timeval_elapsed(&tv) < timelimit) {
+ event_loop_once(dgmsock->event_ctx);
+ }
+
+ talloc_free(dgmsock);
+ return True;
+
+failed:
+ talloc_free(dgmsock);
+ return False;
+}
+
+
+/*
+ test nbt dgram operations
+*/
+BOOL torture_nbt_dgram(void)
+{
+ const char *address;
+ struct nbt_name name;
+ TALLOC_CTX *mem_ctx = talloc_new(NULL);
+ NTSTATUS status;
+ BOOL ret = True;
+
+ name.name = lp_parm_string(-1, "torture", "host");
+ name.type = NBT_NAME_PDC;
+ name.scope = NULL;
+
+ /* do an initial name resolution to find its IP */
+ status = resolve_name(&name, mem_ctx, &address);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("Failed to resolve %s - %s\n",
+ name.name, nt_errstr(status));
+ talloc_free(mem_ctx);
+ return False;
+ }
+
+ ret &= nbt_test_netlogon(mem_ctx, name, address);
+
+ talloc_free(mem_ctx);
+
+ return ret;
+}
diff --git a/source4/torture/torture.c b/source4/torture/torture.c
index eb4dd0b84a..7c8c5131eb 100644
--- a/source4/torture/torture.c
+++ b/source4/torture/torture.c
@@ -2415,6 +2415,7 @@ static struct {
{"NBT-REGISTER", torture_nbt_register, 0},
{"NBT-WINS", torture_nbt_wins, 0},
{"NBT-WINSREPLICATION", torture_nbt_winsreplication, 0},
+ {"NBT-DGRAM", torture_nbt_dgram, 0},
/* libnet tests */
{"NET-USERINFO", torture_userinfo, 0},
generated by cgit (git 2.34.1) at 2024-11-25 04:52:24 +0000