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-rw-r--r--source4/libcli/raw/interfaces.h18
-rw-r--r--source4/libcli/smb2/read.c13
-rw-r--r--source4/ntvfs/ntvfs_generic.c3
-rw-r--r--source4/smb_server/smb2/fileio.c10
4 files changed, 31 insertions, 13 deletions
diff --git a/source4/libcli/raw/interfaces.h b/source4/libcli/raw/interfaces.h
index 3965c58204..61441b2cdc 100644
--- a/source4/libcli/raw/interfaces.h
+++ b/source4/libcli/raw/interfaces.h
@@ -1706,19 +1706,27 @@ union smb_read {
/* static body buffer 48 (0x30) bytes */
/* uint16_t buffer_code; 0x31 = 0x30 + 1 */
- uint16_t _pad;
+ uint8_t _pad;
+ uint8_t reserved;
uint32_t length;
uint64_t offset;
/* struct smb2_handle handle; */
- uint64_t unknown1; /* 0x0000000000000000 */
- uint64_t unknown2; /* 0x0000000000000000 */
+ uint32_t min_count;
+ uint32_t channel;
+ uint32_t remaining;
+ /* the docs give no indication of what
+ these channel variables are for */
+ uint16_t channel_offset;
+ uint16_t channel_length;
} in;
struct {
/* static body buffer 16 (0x10) bytes */
/* uint16_t buffer_code; 0x11 = 0x10 + 1 */
- /* uint16_t data_ofs; */
+ /* uint8_t data_ofs; */
+ /* uint8_t reserved; */
/* uint32_t data_size; */
- uint64_t unknown1; /* 0x0000000000000000 */
+ uint32_t remaining;
+ uint32_t reserved;
/* dynamic body */
DATA_BLOB data;
diff --git a/source4/libcli/smb2/read.c b/source4/libcli/smb2/read.c
index b61f918481..9d40e32a4d 100644
--- a/source4/libcli/smb2/read.c
+++ b/source4/libcli/smb2/read.c
@@ -33,12 +33,16 @@ struct smb2_request *smb2_read_send(struct smb2_tree *tree, struct smb2_read *io
req = smb2_request_init_tree(tree, SMB2_OP_READ, 0x30, true, 0);
if (req == NULL) return NULL;
- SSVAL(req->out.body, 0x02, 0); /* pad */
+ SCVAL(req->out.body, 0x02, 0); /* pad */
+ SCVAL(req->out.body, 0x03, 0); /* reserved */
SIVAL(req->out.body, 0x04, io->in.length);
SBVAL(req->out.body, 0x08, io->in.offset);
smb2_push_handle(req->out.body+0x10, &io->in.file.handle);
- SBVAL(req->out.body, 0x20, io->in.unknown1);
- SBVAL(req->out.body, 0x28, io->in.unknown2);
+ SIVAL(req->out.body, 0x20, io->in.min_count);
+ SIVAL(req->out.body, 0x24, io->in.channel);
+ SIVAL(req->out.body, 0x28, io->in.remaining);
+ SSVAL(req->out.body, 0x2C, io->in.channel_offset);
+ SSVAL(req->out.body, 0x2E, io->in.channel_length);
smb2_transport_send(req);
@@ -67,7 +71,8 @@ NTSTATUS smb2_read_recv(struct smb2_request *req,
return status;
}
- io->out.unknown1 = BVAL(req->in.body, 0x08);
+ io->out.remaining = IVAL(req->in.body, 0x08);
+ io->out.reserved = IVAL(req->in.body, 0x0C);
return smb2_request_destroy(req);
}
diff --git a/source4/ntvfs/ntvfs_generic.c b/source4/ntvfs/ntvfs_generic.c
index e1a86c07c0..fee3269eaf 100644
--- a/source4/ntvfs/ntvfs_generic.c
+++ b/source4/ntvfs/ntvfs_generic.c
@@ -1214,7 +1214,8 @@ static NTSTATUS ntvfs_map_read_finish(struct ntvfs_module_context *ntvfs,
break;
case RAW_READ_SMB2:
rd->smb2.out.data.length= rd2->generic.out.nread;
- rd->smb2.out.unknown1 = 0;
+ rd->smb2.out.remaining = 0;
+ rd->smb2.out.reserved = 0;
break;
default:
return NT_STATUS_INVALID_LEVEL;
diff --git a/source4/smb_server/smb2/fileio.c b/source4/smb_server/smb2/fileio.c
index 0e3df56b42..8f8b4e771c 100644
--- a/source4/smb_server/smb2/fileio.c
+++ b/source4/smb_server/smb2/fileio.c
@@ -167,7 +167,8 @@ static void smb2srv_read_send(struct ntvfs_request *ntvfs)
/* TODO: avoid the memcpy */
SMB2SRV_CHECK(smb2_push_o16s32_blob(&req->out, 0x02, io->smb2.out.data));
- SBVAL(req->out.body, 0x08, io->smb2.out.unknown1);
+ SIVAL(req->out.body, 0x08, io->smb2.out.remaining);
+ SIVAL(req->out.body, 0x0C, io->smb2.out.reserved);
smb2srv_send_reply(req);
}
@@ -185,8 +186,11 @@ void smb2srv_read_recv(struct smb2srv_request *req)
io->smb2.in.length = IVAL(req->in.body, 0x04);
io->smb2.in.offset = BVAL(req->in.body, 0x08);
io->smb2.in.file.ntvfs = smb2srv_pull_handle(req, req->in.body, 0x10);
- io->smb2.in.unknown1 = BVAL(req->in.body, 0x20);
- io->smb2.in.unknown2 = BVAL(req->in.body, 0x28);
+ io->smb2.in.min_count = IVAL(req->in.body, 0x20);
+ io->smb2.in.channel = IVAL(req->in.body, 0x24);
+ io->smb2.in.remaining = IVAL(req->in.body, 0x28);
+ io->smb2.in.channel_offset = SVAL(req->in.body, 0x2C);
+ io->smb2.in.channel_length = SVAL(req->in.body, 0x2E);
SMB2SRV_CHECK_FILE_HANDLE(io->smb2.in.file.ntvfs);