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-rw-r--r--source4/libcli/config.mk8
-rw-r--r--source4/libcli/nbt/libnbt.h11
-rw-r--r--source4/libcli/nbt/nameregister.c134
3 files changed, 151 insertions, 2 deletions
diff --git a/source4/libcli/config.mk b/source4/libcli/config.mk
index c801524c2f..d3aa4ff5ab 100644
--- a/source4/libcli/config.mk
+++ b/source4/libcli/config.mk
@@ -11,14 +11,18 @@ ADD_OBJ_FILES = libcli/util/asn1.o \
ADD_OBJ_FILES = libcli/util/clilsa.o
REQUIRED_SUBSYSTEMS = RPC_NDR_LSA
+[SUBSYSTEM::LIBCLI_COMPOSITE_BASE]
+ADD_OBJ_FILES = \
+ libcli/composite/composite.o
+
[SUBSYSTEM::LIBCLI_COMPOSITE]
ADD_OBJ_FILES = \
- libcli/composite/composite.o \
libcli/composite/loadfile.o \
libcli/composite/savefile.o \
libcli/composite/connect.o \
libcli/composite/sesssetup.o \
libcli/composite/fetchfile.o
+REQUIRED_SUBSYSTEMS = LIBCLI_COMPOSITE_BASE
[SUBSYSTEM::LIBCLI_NBT]
ADD_OBJ_FILES = \
@@ -26,7 +30,7 @@ ADD_OBJ_FILES = \
libcli/nbt/nbtsocket.o \
libcli/nbt/namequery.o \
libcli/nbt/nameregister.o
-REQUIRED_SUBSYSTEMS = LIBNDR_RAW NDR_NBT SOCKET
+REQUIRED_SUBSYSTEMS = LIBNDR_RAW NDR_NBT SOCKET LIBCLI_COMPOSITE_BASE
[SUBSYSTEM::LIBCLI_RESOLVE]
ADD_OBJ_FILES = \
diff --git a/source4/libcli/nbt/libnbt.h b/source4/libcli/nbt/libnbt.h
index 3bfffa25d0..a3630e2a12 100644
--- a/source4/libcli/nbt/libnbt.h
+++ b/source4/libcli/nbt/libnbt.h
@@ -151,3 +151,14 @@ struct nbt_name_register {
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;
+ const char *address;
+ uint16_t nb_flags;
+ uint32_t ttl;
+ } in;
+};
diff --git a/source4/libcli/nbt/nameregister.c b/source4/libcli/nbt/nameregister.c
index 2d1e964977..6d4938cd19 100644
--- a/source4/libcli/nbt/nameregister.c
+++ b/source4/libcli/nbt/nameregister.c
@@ -22,6 +22,8 @@
#include "includes.h"
#include "libcli/nbt/libnbt.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/composite/composite.h"
#include "system/network.h"
/*
@@ -138,3 +140,135 @@ NTSTATUS nbt_name_register(struct nbt_name_socket *nbtsock,
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;
+ int num_sends;
+ struct nbt_name_request *req;
+};
+
+
+/*
+ state handler for 4 stage name registration
+*/
+static void name_register_handler(struct nbt_name_request *req)
+{
+ struct smbcli_composite *c = talloc_get_type(req->async.private, struct smbcli_composite);
+ struct register_bcast_state *state = talloc_get_type(c->private, 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)) {
+ /* the registration timed out - good, send the next one */
+ state->num_sends++;
+ if (state->num_sends == 4) {
+ /* all done */
+ c->state = SMBCLI_REQUEST_DONE;
+ c->status = NT_STATUS_OK;
+ goto done;
+ }
+ if (state->num_sends == 3) {
+ state->io->in.register_demand = True;
+ }
+ state->req = nbt_name_register_send(state->nbtsock, state->io);
+ if (state->req == NULL) {
+ c->state = SMBCLI_REQUEST_ERROR;
+ c->status = NT_STATUS_NO_MEMORY;
+ } else {
+ state->req->async.fn = name_register_handler;
+ state->req->async.private = c;
+ }
+ } else if (!NT_STATUS_IS_OK(status)) {
+ c->state = SMBCLI_REQUEST_ERROR;
+ c->status = status;
+ } else {
+ c->state = SMBCLI_REQUEST_ERROR;
+ c->status = NT_STATUS_CONFLICTING_ADDRESSES;
+ DEBUG(3,("Name registration conflict from %s for %s<%02x> with ip %s - rcode %d\n",
+ state->io->out.reply_from,
+ state->io->out.name.name,
+ state->io->out.name.type,
+ state->io->out.reply_addr,
+ state->io->out.rcode));
+ }
+
+done:
+ if (c->state >= SMBCLI_REQUEST_DONE &&
+ c->async.fn) {
+ c->async.fn(c);
+ }
+}
+
+/*
+ the async send call for a 4 stage name registration
+*/
+struct smbcli_composite *nbt_name_register_bcast_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_register_bcast *io)
+{
+ struct smbcli_composite *c;
+ struct register_bcast_state *state;
+
+ c = talloc_zero(nbtsock, struct smbcli_composite);
+ 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.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.ttl = io->in.ttl;
+ state->io->in.timeout = 1;
+
+ state->num_sends = 0;
+ state->nbtsock = nbtsock;
+
+ state->req = nbt_name_register_send(nbtsock, state->io);
+ if (state->req == NULL) goto failed;
+
+ state->req->async.fn = name_register_handler;
+ state->req->async.private = c;
+
+ c->private = state;
+ c->state = SMBCLI_REQUEST_SEND;
+ c->event_ctx = nbtsock->event_ctx;
+
+ return c;
+
+failed:
+ talloc_free(c);
+ return NULL;
+}
+
+/*
+ broadcast 4 part name register - recv
+*/
+NTSTATUS nbt_name_register_bcast_recv(struct smbcli_composite *c)
+{
+ NTSTATUS status;
+ status = smb_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 smbcli_composite *c = nbt_name_register_bcast_send(nbtsock, io);
+ return nbt_name_register_bcast_recv(c);
+}
generated by cgit (git 2.34.1) at 2024-12-14 02:44:50 +0000