summaryrefslogtreecommitdiff
path: root/source4/libcli/smb2/smb2.h
diff options
context:
space:
mode:
Diffstat (limited to 'source4/libcli/smb2/smb2.h')
-rw-r--r--source4/libcli/smb2/smb2.h154
1 files changed, 154 insertions, 0 deletions
diff --git a/source4/libcli/smb2/smb2.h b/source4/libcli/smb2/smb2.h
new file mode 100644
index 0000000000..2e01159355
--- /dev/null
+++ b/source4/libcli/smb2/smb2.h
@@ -0,0 +1,154 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ SMB2 client library header
+
+ 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.
+*/
+
+struct smb2_options {
+ uint32_t timeout;
+};
+
+/*
+ information returned from the negotiate response
+*/
+struct smb2_negotiate {
+ DATA_BLOB secblob;
+
+};
+
+/* this is the context for the smb2 transport layer */
+struct smb2_transport {
+ /* socket level info */
+ struct smbcli_socket *socket;
+
+ struct smb2_options options;
+ struct smb2_negotiate negotiate;
+
+ /* next seqnum to allocate */
+ uint64_t seqnum;
+
+ /* a list of requests that are pending for receive on this
+ connection */
+ struct smb2_request *pending_recv;
+
+ /* context of the stream -> packet parser */
+ struct packet_context *packet;
+};
+
+
+struct smb2_request_buffer {
+ /* the raw SMB2 buffer, including the 4 byte length header */
+ uint8_t *buffer;
+
+ /* the size of the raw buffer, including 4 byte header */
+ uint_t size;
+
+ /* how much has been allocated - on reply the buffer is over-allocated to
+ prevent too many realloc() calls
+ */
+ uint_t allocated;
+
+ /* the start of the SMB2 header - this is always buffer+4 */
+ uint8_t *hdr;
+
+ /* the packet body */
+ uint8_t *body;
+ uint_t body_size;
+
+ /* ptr is used as a moving pointer into the data area
+ * of the packet. The reason its here and not a local
+ * variable in each function is that when a realloc of
+ * a send packet is done we need to move this
+ * pointer */
+ uint8_t *ptr;
+};
+
+
+/*
+ a client request moves between the following 4 states.
+*/
+enum smb2_request_state {SMB2_REQUEST_INIT, /* we are creating the request */
+ SMB2_REQUEST_RECV, /* we are waiting for a matching reply */
+ SMB2_REQUEST_DONE, /* the request is finished */
+ SMB2_REQUEST_ERROR}; /* a packet or transport level error has occurred */
+
+/* the context for a single SMB2 request */
+struct smb2_request {
+ /* allow a request to be part of a list of requests */
+ struct smb2_request *next, *prev;
+
+ /* each request is in one of 3 possible states */
+ enum smb2_request_state state;
+
+ struct smb2_transport *transport;
+
+ uint64_t seqnum;
+
+ /* the NT status for this request. Set by packet receive code
+ or code detecting error. */
+ NTSTATUS status;
+
+ struct smb2_request_buffer in;
+ struct smb2_request_buffer out;
+
+ /* information on what to do with a reply when it is received
+ asyncronously. If this is not setup when a reply is received then
+ the reply is discarded
+
+ The private pointer is private to the caller of the client
+ library (the application), not private to the library
+ */
+ struct {
+ void (*fn)(struct smb2_request *);
+ void *private;
+ } async;
+};
+
+
+#define SMB2_MIN_SIZE 0x40
+
+/* offsets into header elements */
+#define SMB2_HDR_LENGTH 0x04
+#define SMB2_HDR_PAD1 0x06
+#define SMB2_HDR_STATUS 0x08
+#define SMB2_HDR_OPCODE 0x0c
+#define SMB2_HDR_PAD2 0x0e
+#define SMB2_HDR_FLAGS 0x10
+#define SMB2_HDR_UNKNOWN 0x14
+#define SMB2_HDR_SEQNUM 0x18
+#define SMB2_HDR_PID 0x20
+#define SMB2_HDR_TID 0x24
+#define SMB2_HDR_UID 0x28
+#define SMB2_HDR_UID2 0x2c /* whats this? */
+#define SMB2_HDR_SIG 0x30 /* guess ... */
+#define SMB2_HDR_BODY 0x40
+
+/* SMB2 opcodes */
+#define SMB2_OP_NEGPROT 0x00
+#define SMB2_OP_SESSSETUP 0x01
+#define SMB2_OP_TCON 0x03
+#define SMB2_OP_TDIS 0x04
+#define SMB2_OP_CREATE 0x05
+#define SMB2_OP_CLOSE 0x06
+#define SMB2_OP_READ 0x08
+#define SMB2_OP_WRITE 0x09
+#define SMB2_OP_FIND 0x0e
+
+#define SMB2_MAGIC 0x424D53FE /* 0xFE 'S' 'M' 'B' */
+