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authorAndrew Tridgell <tridge@samba.org>2005-11-09 10:51:26 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:45:57 -0500
commit7e963eb6e7a06d0b45609a3fb7ab3e757e5920a0 (patch)
treee8da186a4869e0a09f9b04d5f5d35274f63085ee /source4
parenta3fcb93df1571da51a0f525141c3010e7f2dcae6 (diff)
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r11603: converted the smb server to use the new generic packet code
(This used to be commit 0fc496bb6f520ddf6d85cc2f3df80f93b871cfe9)
Diffstat (limited to 'source4')
-rw-r--r--source4/smb_server/config.mk2
-rw-r--r--source4/smb_server/smb_server.c129
-rw-r--r--source4/smb_server/smb_server.h6
3 files changed, 36 insertions, 101 deletions
diff --git a/source4/smb_server/config.mk b/source4/smb_server/config.mk
index 03a49d728a..c1eadf9397 100644
--- a/source4/smb_server/config.mk
+++ b/source4/smb_server/config.mk
@@ -20,6 +20,6 @@ ADD_OBJ_FILES = \
signing.o \
management.o
REQUIRED_SUBSYSTEMS = \
- NTVFS
+ NTVFS LIBPACKET
# End SUBSYSTEM SMB
#######################
diff --git a/source4/smb_server/smb_server.c b/source4/smb_server/smb_server.c
index ccfc6c9c7b..0cdc2dc7e4 100644
--- a/source4/smb_server/smb_server.c
+++ b/source4/smb_server/smb_server.c
@@ -27,6 +27,7 @@
#include "smbd/service_stream.h"
#include "smb_server/smb_server.h"
#include "lib/messaging/irpc.h"
+#include "lib/stream/packet.h"
/*
@@ -68,85 +69,18 @@ static void construct_reply(struct smbsrv_request *req);
receive a SMB request header from the wire, forming a request_context
from the result
****************************************************************************/
-static NTSTATUS receive_smb_request(struct smbsrv_connection *smb_conn)
+static NTSTATUS receive_smb_request(void *private, DATA_BLOB blob)
{
- NTSTATUS status;
- ssize_t len;
+ struct smbsrv_connection *smb_conn = talloc_get_type(private, struct smbsrv_connection);
struct smbsrv_request *req;
- size_t nread;
-
- /* allocate the request if needed */
- if (smb_conn->partial_req == NULL) {
- req = init_smb_request(smb_conn);
- if (req == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
-
- req->in.buffer = talloc_array(req, uint8_t, NBT_HDR_SIZE);
- if (req->in.buffer == NULL) {
- talloc_free(req);
- return NT_STATUS_NO_MEMORY;
- }
- req->in.size = 0;
- smb_conn->partial_req = req;
- }
-
- req = smb_conn->partial_req;
-
- /* read in the header */
- if (req->in.size < NBT_HDR_SIZE) {
- status = socket_recv(smb_conn->connection->socket,
- req->in.buffer + req->in.size,
- NBT_HDR_SIZE - req->in.size,
- &nread, 0);
- if (NT_STATUS_IS_ERR(status)) {
- return status;
- }
- if (!NT_STATUS_IS_OK(status)) {
- return NT_STATUS_OK;
- }
- if (nread == 0) {
- return NT_STATUS_END_OF_FILE;
- }
- req->in.size += nread;
-
- /* when we have a full NBT header, then allocate the packet */
- if (req->in.size == NBT_HDR_SIZE) {
- len = smb_len(req->in.buffer) + NBT_HDR_SIZE;
- req->in.buffer = talloc_realloc(req, req->in.buffer,
- uint8_t, len);
- if (req->in.buffer == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- } else {
- return NT_STATUS_OK;
- }
- }
-
- /* read in the main packet */
- len = smb_len(req->in.buffer) + NBT_HDR_SIZE;
-
- status = socket_recv(smb_conn->connection->socket,
- req->in.buffer + req->in.size,
- len - req->in.size,
- &nread, 0);
- if (NT_STATUS_IS_ERR(status)) {
- return status;
- }
- if (!NT_STATUS_IS_OK(status)) {
- return NT_STATUS_OK;
- }
- if (nread == 0) {
- return NT_STATUS_END_OF_FILE;
- }
-
- req->in.size += nread;
- if (req->in.size != len) {
- return NT_STATUS_OK;
+ req = init_smb_request(smb_conn);
+ if (req == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
- /* we have a full packet */
+ req->in.buffer = talloc_steal(req, blob.data);
+ req->in.size = blob.length;
req->request_time = timeval_current();
req->chained_fnum = -1;
req->in.allocated = req->in.size;
@@ -171,8 +105,6 @@ static NTSTATUS receive_smb_request(struct smbsrv_connection *smb_conn)
}
}
- smb_conn->partial_req = NULL;
-
construct_reply(req);
return NT_STATUS_OK;
@@ -659,7 +591,7 @@ error:
*/
void smbsrv_terminate_connection(struct smbsrv_connection *smb_conn, const char *reason)
{
- smb_conn->terminate = True;
+ smb_conn->terminate = reason;
}
/*
@@ -668,31 +600,17 @@ void smbsrv_terminate_connection(struct smbsrv_connection *smb_conn, const char
static void smbsrv_recv(struct stream_connection *conn, uint16_t flags)
{
struct smbsrv_connection *smb_conn = talloc_get_type(conn->private, struct smbsrv_connection);
- NTSTATUS status;
DEBUG(10,("smbsrv_recv\n"));
- /* our backends are designed to process one request at a time,
- unless they deliberately mark the request as async and
- process it later on a timer or other event. This enforces
- that ordering. */
- if (smb_conn->processing) {
- EVENT_FD_NOT_READABLE(conn->event.fde);
- return;
- }
-
- smb_conn->processing = True;
- status = receive_smb_request(smb_conn);
- smb_conn->processing = False;
- if (NT_STATUS_IS_ERR(status) || smb_conn->terminate) {
+ packet_recv(smb_conn->packet);
+ if (smb_conn->terminate) {
talloc_free(conn->event.fde);
conn->event.fde = NULL;
- stream_terminate_connection(smb_conn->connection, nt_errstr(status));
+ stream_terminate_connection(smb_conn->connection, smb_conn->terminate);
return;
}
- EVENT_FD_READABLE(conn->event.fde);
-
/* free up temporary memory */
lp_talloc_free();
}
@@ -734,7 +652,7 @@ static void smbsrv_send(struct stream_connection *conn, uint16_t flags)
}
if (smb_conn->terminate) {
- stream_terminate_connection(smb_conn->connection, "send termination");
+ stream_terminate_connection(smb_conn->connection, smb_conn->terminate);
return;
}
@@ -745,6 +663,17 @@ static void smbsrv_send(struct stream_connection *conn, uint16_t flags)
}
}
+
+/*
+ handle socket recv errors
+*/
+static void smbsrv_recv_error(void *private, NTSTATUS status)
+{
+ struct smbsrv_connection *smb_conn = talloc_get_type(private, struct smbsrv_connection);
+
+ smbsrv_terminate_connection(smb_conn, nt_errstr(status));
+}
+
/*
initialise a server_context from a open socket and register a event handler
for reading from that socket
@@ -770,6 +699,15 @@ static void smbsrv_accept(struct stream_connection *conn)
smb_conn->negotiate.called_name = NULL;
smb_conn->negotiate.calling_name = NULL;
+ smb_conn->packet = packet_init(smb_conn);
+ packet_set_private(smb_conn->packet, smb_conn);
+ packet_set_socket(smb_conn->packet, conn->socket);
+ packet_set_callback(smb_conn->packet, receive_smb_request);
+ packet_set_full_request(smb_conn->packet, packet_full_request_nbt);
+ packet_set_error_handler(smb_conn->packet, smbsrv_recv_error);
+ packet_set_event_context(smb_conn->packet, conn->event.ctx);
+ packet_set_serialise(smb_conn->packet, conn->event.fde);
+
smbsrv_vuid_init(smb_conn);
srv_init_signing(smb_conn);
@@ -777,7 +715,6 @@ static void smbsrv_accept(struct stream_connection *conn)
smbsrv_tcon_init(smb_conn);
smb_conn->connection = conn;
- smb_conn->processing = False;
smb_conn->config.security = lp_security();
smb_conn->config.nt_status_support = lp_nt_status_support();
diff --git a/source4/smb_server/smb_server.h b/source4/smb_server/smb_server.h
index 360ea7ddfb..b6c9d5f985 100644
--- a/source4/smb_server/smb_server.h
+++ b/source4/smb_server/smb_server.h
@@ -252,7 +252,7 @@ struct smbsrv_connection {
struct stream_connection *connection;
/* this holds a partially received request */
- struct smbsrv_request *partial_req;
+ struct packet_context *packet;
/* this holds list of replies that are waiting to be sent
to the client */
@@ -266,10 +266,8 @@ struct smbsrv_connection {
uint8_t command;
} *trans_partial;
- BOOL processing;
-
/* mark a connection for termination */
- BOOL terminate;
+ const char *terminate;
/* configuration parameters */
struct {