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authorAndrew Tridgell <tridge@samba.org>2005-11-11 23:27:47 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:46:13 -0500
commit91e1893741741de04b73a098495c697434105803 (patch)
treec27a19ce56685bf357b778175a85df5dc700a9fc /source4/libcli
parent222e197b848e2f1e58602d1e709f057a1f8833fd (diff)
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r11691: added reply buffer code checks and oplock flags for create request/reply
(This used to be commit 26ed781375c03958241d8c93324e04e948944d01)
Diffstat (limited to 'source4/libcli')
-rw-r--r--source4/libcli/smb2/close.c10
-rw-r--r--source4/libcli/smb2/create.c28
-rw-r--r--source4/libcli/smb2/negprot.c4
-rw-r--r--source4/libcli/smb2/session.c4
-rw-r--r--source4/libcli/smb2/smb2.h11
-rw-r--r--source4/libcli/smb2/smb2_calls.h40
-rw-r--r--source4/libcli/smb2/tcon.c4
7 files changed, 71 insertions, 30 deletions
diff --git a/source4/libcli/smb2/close.c b/source4/libcli/smb2/close.c
index 4429cd557b..b60c1b3071 100644
--- a/source4/libcli/smb2/close.c
+++ b/source4/libcli/smb2/close.c
@@ -35,8 +35,9 @@ struct smb2_request *smb2_close_send(struct smb2_tree *tree, struct smb2_close *
req = smb2_request_init_tree(tree, SMB2_OP_CLOSE, 0x18);
if (req == NULL) return NULL;
- SIVAL(req->out.body, 0x00, io->in.unknown1);
- SIVAL(req->out.body, 0x04, io->in.unknown2);
+ SSVAL(req->out.body, 0x00, io->in.buffer_code);
+ SSVAL(req->out.body, 0x02, io->in.flags);
+ SIVAL(req->out.body, 0x04, io->in._pad);
SBVAL(req->out.body, 0x08, io->in.handle.data[0]);
SBVAL(req->out.body, 0x10, io->in.handle.data[1]);
@@ -60,8 +61,9 @@ NTSTATUS smb2_close_recv(struct smb2_request *req, struct smb2_close *io)
return NT_STATUS_BUFFER_TOO_SMALL;
}
- io->out.unknown1 = IVAL(req->in.body, 0x00);
- io->out.unknown2 = IVAL(req->in.body, 0x04);
+ io->out.buffer_code = SVAL(req->in.body, 0x00);
+ io->out.flags = SVAL(req->in.body, 0x02);
+ io->out._pad = IVAL(req->in.body, 0x04);
io->out.create_time = smbcli_pull_nttime(req->in.body, 0x08);
io->out.access_time = smbcli_pull_nttime(req->in.body, 0x10);
io->out.write_time = smbcli_pull_nttime(req->in.body, 0x18);
diff --git a/source4/libcli/smb2/create.c b/source4/libcli/smb2/create.c
index f234e6cb35..e4b0773758 100644
--- a/source4/libcli/smb2/create.c
+++ b/source4/libcli/smb2/create.c
@@ -43,7 +43,8 @@ struct smb2_request *smb2_create_send(struct smb2_tree *tree, struct smb2_create
req = smb2_request_init_tree(tree, SMB2_OP_CREATE, 0x50 + path.length);
if (req == NULL) return NULL;
- SIVAL(req->out.body, 0x00, io->in.unknown1);
+ SSVAL(req->out.body, 0x00, io->in.buffer_code);
+ SSVAL(req->out.body, 0x02, io->in.oplock_flags);
SIVAL(req->out.body, 0x04, io->in.unknown2);
SIVAL(req->out.body, 0x08, io->in.unknown3[0]);
SIVAL(req->out.body, 0x0C, io->in.unknown3[1]);
@@ -84,6 +85,9 @@ struct smb2_request *smb2_create_send(struct smb2_tree *tree, struct smb2_create
*/
NTSTATUS smb2_create_recv(struct smb2_request *req, struct smb2_create *io)
{
+ smb2_request_receive(req);
+ dump_data(0, req->in.body, req->in.body_size);
+
if (!smb2_request_receive(req) ||
smb2_request_is_error(req)) {
return smb2_request_destroy(req);
@@ -93,16 +97,18 @@ NTSTATUS smb2_create_recv(struct smb2_request *req, struct smb2_create *io)
return NT_STATUS_BUFFER_TOO_SMALL;
}
- io->out.unknown1 = IVAL(req->in.body, 0x00);
- io->out.unknown2 = IVAL(req->in.body, 0x04);
- io->out.create_time = smbcli_pull_nttime(req->in.body, 0x08);
- io->out.access_time = smbcli_pull_nttime(req->in.body, 0x10);
- io->out.write_time = smbcli_pull_nttime(req->in.body, 0x18);
- io->out.change_time = smbcli_pull_nttime(req->in.body, 0x20);
- io->out.alloc_size = BVAL(req->in.body, 0x28);
- io->out.size = BVAL(req->in.body, 0x30);
- io->out.file_attr = IVAL(req->in.body, 0x38);
- io->out.unknown3 = IVAL(req->in.body, 0x3C);
+ SMB2_CHECK_BUFFER_CODE(req, 0x59);
+
+ io->out.oplock_flags = SVAL(req->in.body, 0x02);
+ io->out.create_action = IVAL(req->in.body, 0x04);
+ io->out.create_time = smbcli_pull_nttime(req->in.body, 0x08);
+ io->out.access_time = smbcli_pull_nttime(req->in.body, 0x10);
+ io->out.write_time = smbcli_pull_nttime(req->in.body, 0x18);
+ io->out.change_time = smbcli_pull_nttime(req->in.body, 0x20);
+ io->out.alloc_size = BVAL(req->in.body, 0x28);
+ io->out.size = BVAL(req->in.body, 0x30);
+ io->out.file_attr = IVAL(req->in.body, 0x38);
+ io->out._pad = IVAL(req->in.body, 0x3C);
io->out.handle.data[0] = BVAL(req->in.body, 0x40);
io->out.handle.data[1] = BVAL(req->in.body, 0x48);
io->out.unknown4 = IVAL(req->in.body, 0x50);
diff --git a/source4/libcli/smb2/negprot.c b/source4/libcli/smb2/negprot.c
index 5cd4810909..758b06fcae 100644
--- a/source4/libcli/smb2/negprot.c
+++ b/source4/libcli/smb2/negprot.c
@@ -62,7 +62,9 @@ NTSTATUS smb2_negprot_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
return NT_STATUS_BUFFER_TOO_SMALL;
}
- io->out.unknown1 = IVAL(req->in.body, 0x00);
+ SMB2_CHECK_BUFFER_CODE(req, 0x41);
+
+ io->out._pad = SVAL(req->in.body, 0x02);
io->out.unknown2 = IVAL(req->in.body, 0x04);
memcpy(io->out.sessid, req->in.body + 0x08, 16);
io->out.unknown3 = IVAL(req->in.body, 0x18);
diff --git a/source4/libcli/smb2/session.c b/source4/libcli/smb2/session.c
index 031360fcb9..9d945243d2 100644
--- a/source4/libcli/smb2/session.c
+++ b/source4/libcli/smb2/session.c
@@ -103,7 +103,9 @@ NTSTATUS smb2_session_setup_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
return NT_STATUS_BUFFER_TOO_SMALL;
}
- io->out.unknown1 = IVAL(req->in.body, 0x00);
+ SMB2_CHECK_BUFFER_CODE(req, 0x09);
+
+ io->out._pad = SVAL(req->in.body, 0x02);
io->out.uid = BVAL(req->in.hdr, SMB2_HDR_UID);
status = smb2_pull_ofs_blob(req, req->in.body+0x04, &io->out.secblob);
diff --git a/source4/libcli/smb2/smb2.h b/source4/libcli/smb2/smb2.h
index 76f00cc573..f6847bfc9b 100644
--- a/source4/libcli/smb2/smb2.h
+++ b/source4/libcli/smb2/smb2.h
@@ -168,3 +168,14 @@ struct smb2_request {
#define SMB2_MAGIC 0x424D53FE /* 0xFE 'S' 'M' 'B' */
+/*
+ check that a buffer code matches the expected value
+*/
+#define SMB2_CHECK_BUFFER_CODE(req, code) do { \
+ io->out.buffer_code = SVAL(req->in.body, 0); \
+ if (io->out.buffer_code != (code)) { \
+ DEBUG(0,("Unexpected buffer code 0x%x. Expected 0x%x\n", \
+ io->out.buffer_code, code)); \
+ return NT_STATUS_INVALID_PARAMETER; \
+ } \
+} while (0)
diff --git a/source4/libcli/smb2/smb2_calls.h b/source4/libcli/smb2/smb2_calls.h
index f3d158dadd..859655355d 100644
--- a/source4/libcli/smb2/smb2_calls.h
+++ b/source4/libcli/smb2/smb2_calls.h
@@ -28,7 +28,8 @@ struct smb2_negprot {
uint8_t unknown3[32]; /* all zero */
} in;
struct {
- uint32_t unknown1; /* 0x41 */
+ uint16_t buffer_code;
+ uint16_t _pad;
uint32_t unknown2; /* 0x06 */
uint8_t sessid[16];
uint32_t unknown3; /* 0x0d */
@@ -54,7 +55,8 @@ struct smb2_session_setup {
DATA_BLOB secblob;
} in;
struct {
- uint32_t unknown1; /* 0x09 */
+ uint16_t buffer_code;
+ uint16_t _pad;
/* uint16_t secblob ofs/size here */
DATA_BLOB secblob;
uint64_t uid; /* returned in header */
@@ -67,7 +69,8 @@ struct smb2_tree_connect {
const char *path;
} in;
struct {
- uint32_t unknown1; /* 0x00020010 */
+ uint16_t buffer_code;
+ uint16_t unknown1; /* 0x02 */
uint32_t unknown2; /* 0x00 */
uint32_t unknown3; /* 0x00 */
uint32_t access_mask;
@@ -82,10 +85,17 @@ struct smb2_handle {
uint64_t data[2];
};
+
+#define SMB2_CREATE_FLAG_REQUEST_OPLOCK 0x0100
+#define SMB2_CREATE_FLAG_REQUEST_EXCLUSIVE_OPLOCK 0x0800
+#define SMB2_CREATE_FLAG_GRANT_OPLOCK 0x0001
+#define SMB2_CREATE_FLAG_GRANT_EXCLUSIVE_OPLOCK 0x0080
+
struct smb2_create {
struct {
- uint32_t unknown1; /* 0x09000039 */
- uint32_t unknown2; /* 2 */
+ uint16_t buffer_code; /* 0x39 */
+ uint16_t oplock_flags; /* SMB2_CREATE_FLAG_* */
+ uint32_t unknown2;
uint32_t unknown3[4];
uint32_t access_mask;
uint32_t file_attr;
@@ -103,8 +113,9 @@ struct smb2_create {
} in;
struct {
- uint32_t unknown1;
- uint32_t unknown2;
+ uint16_t buffer_code; /* 0x59 */
+ uint16_t oplock_flags; /* SMB2_CREATE_FLAG_* */
+ uint32_t create_action;
NTTIME create_time;
NTTIME access_time;
NTTIME write_time;
@@ -112,23 +123,28 @@ struct smb2_create {
uint64_t alloc_size;
uint64_t size;
uint32_t file_attr;
- uint32_t unknown3;
+ uint32_t _pad;
struct smb2_handle handle;
uint32_t unknown4;
+ uint32_t unknown5;
} out;
};
+#define SMB2_CLOSE_FLAGS_FULL_INFORMATION (1<<0)
+
struct smb2_close {
struct {
- uint32_t unknown1;
- uint32_t unknown2;
+ uint16_t buffer_code;
+ uint16_t flags; /* SMB2_CLOSE_FLAGS_* */
+ uint32_t _pad;
struct smb2_handle handle;
} in;
struct {
- uint32_t unknown1;
- uint32_t unknown2;
+ uint16_t buffer_code;
+ uint16_t flags;
+ uint32_t _pad;
NTTIME create_time;
NTTIME access_time;
NTTIME write_time;
diff --git a/source4/libcli/smb2/tcon.c b/source4/libcli/smb2/tcon.c
index 88a2d0a67d..f68987acf7 100644
--- a/source4/libcli/smb2/tcon.c
+++ b/source4/libcli/smb2/tcon.c
@@ -93,9 +93,11 @@ NTSTATUS smb2_tree_connect_recv(struct smb2_request *req, struct smb2_tree_conne
return NT_STATUS_BUFFER_TOO_SMALL;
}
+ SMB2_CHECK_BUFFER_CODE(req, 0x10);
+
io->out.tid = IVAL(req->in.hdr, SMB2_HDR_TID);
- io->out.unknown1 = IVAL(req->in.body, 0x00);
+ io->out.unknown1 = SVAL(req->in.body, 0x02);
io->out.unknown2 = IVAL(req->in.body, 0x04);
io->out.unknown3 = IVAL(req->in.body, 0x08);
io->out.access_mask = IVAL(req->in.body, 0x0C);