diff options
| -rw-r--r-- | source4/libcli/raw/interfaces.h | 18 | ||||
| -rw-r--r-- | source4/libcli/smb2/read.c | 13 | ||||
| -rw-r--r-- | source4/ntvfs/ntvfs_generic.c | 3 | ||||
| -rw-r--r-- | source4/smb_server/smb2/fileio.c | 10 |
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); |