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-rw-r--r--source4/libcli/raw/interfaces.h28
-rw-r--r--source4/libcli/smb2/lock.c24
2 files changed, 31 insertions, 21 deletions
diff --git a/source4/libcli/raw/interfaces.h b/source4/libcli/raw/interfaces.h
index 871bab01db..149b91916a 100644
--- a/source4/libcli/raw/interfaces.h
+++ b/source4/libcli/raw/interfaces.h
@@ -1866,13 +1866,12 @@ enum smb_lock_level {
RAW_LOCK_SMB2_BREAK
};
-/* the generic interface is defined to be equal to the lockingX interface */
-#define RAW_LOCK_GENERIC RAW_LOCK_LOCKX
+#define RAW_LOCK_GENERIC RAW_LOCK_LOCKX
/* union for lock() backend call
*/
union smb_lock {
- /* SMBlockingX (and generic) interface */
+ /* SMBlockingX and generic interface */
struct {
enum smb_lock_level level;
struct {
@@ -1887,7 +1886,7 @@ union smb_lock {
uint64_t count;
} *locks; /* unlocks are first in the arrray */
} in;
- } lockx, generic;
+ } generic, lockx;
/* SMBlock and SMBunlock interface */
struct {
@@ -1907,23 +1906,26 @@ union smb_lock {
/* static body buffer 48 (0x30) bytes */
/* uint16_t buffer_code; 0x30 */
- uint16_t unknown1; /* must be 0x0001 */
- uint32_t unknown2;
+ uint16_t lock_count;
+ uint32_t reserved;
/* struct smb2_handle handle; */
- uint64_t offset;
- uint64_t count;
- uint32_t unknown5;
+ struct smb2_lock_element {
+ uint64_t offset;
+ uint64_t length;
+/* these flags are the same as the SMB2 lock flags */
#define SMB2_LOCK_FLAG_NONE 0x00000000
#define SMB2_LOCK_FLAG_SHARED 0x00000001
-#define SMB2_LOCK_FLAG_EXCLUSIV 0x00000002
+#define SMB2_LOCK_FLAG_EXCLUSIVE 0x00000002
#define SMB2_LOCK_FLAG_UNLOCK 0x00000004
-#define SMB2_LOCK_FLAG_NO_PENDING 0x00000010
- uint32_t flags;
+#define SMB2_LOCK_FLAG_FAIL_IMMEDIATELY 0x00000010
+ uint32_t flags;
+ uint32_t reserved;
+ } *locks;
} in;
struct {
/* static body buffer 4 (0x04) bytes */
/* uint16_t buffer_code; 0x04 */
- uint16_t unknown1;
+ uint16_t reserved;
} out;
} smb2;
diff --git a/source4/libcli/smb2/lock.c b/source4/libcli/smb2/lock.c
index d71a337d56..62c6e5dba7 100644
--- a/source4/libcli/smb2/lock.c
+++ b/source4/libcli/smb2/lock.c
@@ -29,17 +29,25 @@
struct smb2_request *smb2_lock_send(struct smb2_tree *tree, struct smb2_lock *io)
{
struct smb2_request *req;
+ int i;
- req = smb2_request_init_tree(tree, SMB2_OP_LOCK, 0x30, false, 0);
+ req = smb2_request_init_tree(tree, SMB2_OP_LOCK,
+ 24 + io->in.lock_count*24, false, 0);
if (req == NULL) return NULL;
- SSVAL(req->out.body, 0x02, io->in.unknown1);
- SIVAL(req->out.body, 0x04, io->in.unknown2);
+ /* this is quite bizarre - the spec says we must lie about the length! */
+ SSVAL(req->out.body, 0, 0x30);
+
+ SSVAL(req->out.body, 0x02, io->in.lock_count);
+ SIVAL(req->out.body, 0x04, io->in.reserved);
smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
- SBVAL(req->out.body, 0x18, io->in.offset);
- SBVAL(req->out.body, 0x20, io->in.count);
- SIVAL(req->out.body, 0x24, io->in.unknown5);
- SIVAL(req->out.body, 0x28, io->in.flags);
+
+ for (i=0;i<io->in.lock_count;i++) {
+ SBVAL(req->out.body, 0x18 + i*24, io->in.locks[i].offset);
+ SBVAL(req->out.body, 0x20 + i*24, io->in.locks[i].length);
+ SIVAL(req->out.body, 0x28 + i*24, io->in.locks[i].flags);
+ SIVAL(req->out.body, 0x2C + i*24, io->in.locks[i].reserved);
+ }
smb2_transport_send(req);
@@ -59,7 +67,7 @@ NTSTATUS smb2_lock_recv(struct smb2_request *req, struct smb2_lock *io)
SMB2_CHECK_PACKET_RECV(req, 0x04, false);
- io->out.unknown1 = SVAL(req->in.body, 0x02);
+ io->out.reserved = SVAL(req->in.body, 0x02);
return smb2_request_destroy(req);
}