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-rw-r--r--source4/libcli/raw/interfaces.h1
-rw-r--r--source4/libcli/raw/smb.h9
-rw-r--r--source4/ntvfs/ntvfs_generic.c18
-rw-r--r--source4/ntvfs/posix/pvfs_open.c38
-rw-r--r--source4/smb_server/smb/reply.c5
5 files changed, 56 insertions, 15 deletions
diff --git a/source4/libcli/raw/interfaces.h b/source4/libcli/raw/interfaces.h
index bae0e67b02..36d8c3abb0 100644
--- a/source4/libcli/raw/interfaces.h
+++ b/source4/libcli/raw/interfaces.h
@@ -1919,6 +1919,7 @@ union smb_lock {
#define SMB2_LOCK_FLAG_EXCLUSIVE 0x00000002
#define SMB2_LOCK_FLAG_UNLOCK 0x00000004
#define SMB2_LOCK_FLAG_FAIL_IMMEDIATELY 0x00000010
+#define SMB2_LOCK_FLAG_ALL_MASK 0x00000017
uint32_t flags;
uint32_t reserved;
} *locks;
diff --git a/source4/libcli/raw/smb.h b/source4/libcli/raw/smb.h
index 74869e8a45..5a92b99757 100644
--- a/source4/libcli/raw/smb.h
+++ b/source4/libcli/raw/smb.h
@@ -133,6 +133,7 @@
#define NTCREATEX_SHARE_ACCESS_READ 1
#define NTCREATEX_SHARE_ACCESS_WRITE 2
#define NTCREATEX_SHARE_ACCESS_DELETE 4
+#define NTCREATEX_SHARE_ACCESS_MASK 7
/* ntcreatex open_disposition field */
#define NTCREATEX_DISP_SUPERSEDE 0 /* supersede existing file (if it exists) */
@@ -154,14 +155,18 @@
#define NTCREATEX_OPTIONS_RANDOM_ACCESS 0x0800
#define NTCREATEX_OPTIONS_DELETE_ON_CLOSE 0x1000
#define NTCREATEX_OPTIONS_OPEN_BY_FILE_ID 0x2000
-#define NTCREATEX_OPTIONS_UNKNOWN_400000 0x400000
-
+#define NTCREATEX_OPTIONS_BACKUP_INTENT 0x4000
+#define NTCREATEX_OPTIONS_REPARSE_POINT 0x200000
+#define NTCREATEX_OPTIONS_UNKNOWN_400000 0x400000
/* create options these bits are for private use by backends, they are
not valid on the wire */
#define NTCREATEX_OPTIONS_PRIVATE_MASK 0xFF000000
#define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS 0x01000000
#define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB 0x02000000
+#define NTCREATEX_OPTIONS_NOT_SUPPORTED_MASK 0x00DFA188
+
+
/* ntcreatex impersonation field */
#define NTCREATEX_IMPERSONATION_ANONYMOUS 0
diff --git a/source4/ntvfs/ntvfs_generic.c b/source4/ntvfs/ntvfs_generic.c
index 62a1427405..9b4f235cde 100644
--- a/source4/ntvfs/ntvfs_generic.c
+++ b/source4/ntvfs/ntvfs_generic.c
@@ -522,6 +522,12 @@ NTSTATUS ntvfs_map_open(struct ntvfs_module_context *ntvfs,
io2->generic.in.fname = io->smb2.in.fname;
io2->generic.in.sec_desc = NULL;
io2->generic.in.ea_list = NULL;
+
+ /* we use a couple of bits of the create options internally */
+ if (io2->generic.in.create_options & NTCREATEX_OPTIONS_PRIVATE_MASK) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
status = ntvfs->ops->open(ntvfs, req, io2);
break;
@@ -1031,6 +1037,9 @@ NTSTATUS ntvfs_map_lock(struct ntvfs_module_context *ntvfs,
return NT_STATUS_NO_MEMORY;
}
for (i=0;i<lck->smb2.in.lock_count;i++) {
+ if (lck->smb2.in.locks[i].flags & ~SMB2_LOCK_FLAG_ALL_MASK) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
if (lck->smb2.in.locks[i].flags & SMB2_LOCK_FLAG_UNLOCK) {
int j = lck2->generic.in.ulock_cnt;
lck2->generic.in.ulock_cnt++;
@@ -1277,10 +1286,15 @@ static NTSTATUS ntvfs_map_read_finish(struct ntvfs_module_context *ntvfs,
rd->smb2.out.remaining = 0;
rd->smb2.out.reserved = 0;
if (NT_STATUS_IS_OK(status) &&
- rd->smb2.out.data.length == 0 &&
- rd->smb2.in.length != 0) {
+ rd->smb2.out.data.length == 0) {
status = NT_STATUS_END_OF_FILE;
}
+ /* SMB2 does honor the min_count field, SMB does not */
+ if (NT_STATUS_IS_OK(status) &&
+ rd->smb2.in.min_count > rd->smb2.out.data.length) {
+ rd->smb2.out.data.length = 0;
+ status = NT_STATUS_END_OF_FILE;
+ }
break;
default:
return NT_STATUS_INVALID_LEVEL;
diff --git a/source4/ntvfs/posix/pvfs_open.c b/source4/ntvfs/posix/pvfs_open.c
index 926c99d37e..59b42fe751 100644
--- a/source4/ntvfs/posix/pvfs_open.c
+++ b/source4/ntvfs/posix/pvfs_open.c
@@ -203,6 +203,13 @@ static NTSTATUS pvfs_open_directory(struct pvfs_state *pvfs,
return NT_STATUS_NOT_A_DIRECTORY;
}
+ /* found with gentest */
+ if (io->ntcreatex.in.access_mask == SEC_FLAG_MAXIMUM_ALLOWED &&
+ (io->ntcreatex.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) &&
+ (io->ntcreatex.in.create_options & NTCREATEX_OPTIONS_DELETE_ON_CLOSE)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
switch (io->generic.in.open_disposition) {
case NTCREATEX_DISP_OPEN_IF:
break;
@@ -563,7 +570,7 @@ static NTSTATUS pvfs_create_file(struct pvfs_state *pvfs,
(create_options & NTCREATEX_OPTIONS_DELETE_ON_CLOSE)) {
return NT_STATUS_CANNOT_DELETE;
}
-
+
status = pvfs_access_check_create(pvfs, req, name, &access_mask);
NT_STATUS_NOT_OK_RETURN(status);
@@ -1121,6 +1128,25 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
return ntvfs_map_open(ntvfs, req, io);
}
+ create_options = io->generic.in.create_options;
+ share_access = io->generic.in.share_access;
+ access_mask = io->generic.in.access_mask;
+
+ if (share_access & ~NTCREATEX_SHARE_ACCESS_MASK) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /* some create options are not supported */
+ if (create_options & NTCREATEX_OPTIONS_NOT_SUPPORTED_MASK) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ /* other create options are not allowed */
+ if ((create_options & NTCREATEX_OPTIONS_DELETE_ON_CLOSE) &&
+ !(access_mask & SEC_STD_DELETE)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
/* resolve the cifs name to a posix name */
status = pvfs_resolve_name(pvfs, req, io->ntcreatex.in.fname,
PVFS_RESOLVE_STREAMS, &name);
@@ -1152,16 +1178,6 @@ NTSTATUS pvfs_open(struct ntvfs_module_context *ntvfs,
open doesn't match */
io->generic.in.file_attr &= ~FILE_ATTRIBUTE_DIRECTORY;
- create_options = io->generic.in.create_options;
- share_access = io->generic.in.share_access;
- access_mask = io->generic.in.access_mask;
-
- /* certain create options are not allowed */
- if ((create_options & NTCREATEX_OPTIONS_DELETE_ON_CLOSE) &&
- !(access_mask & SEC_STD_DELETE)) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
flags = 0;
switch (io->generic.in.open_disposition) {
diff --git a/source4/smb_server/smb/reply.c b/source4/smb_server/smb/reply.c
index 40cad91062..d28f4b6072 100644
--- a/source4/smb_server/smb/reply.c
+++ b/source4/smb_server/smb/reply.c
@@ -2193,6 +2193,11 @@ void smbsrv_reply_ntcreate_and_X(struct smbsrv_request *req)
io->ntcreatex.in.ea_list = NULL;
io->ntcreatex.in.sec_desc = NULL;
+ /* we use a couple of bits of the create options internally */
+ if (io->ntcreatex.in.create_options & NTCREATEX_OPTIONS_PRIVATE_MASK) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
/* we need a neater way to handle this alignment */
if ((req->flags2 & FLAGS2_UNICODE_STRINGS) &&
ucs2_align(req->in.buffer, req->in.data, STR_TERMINATE|STR_UNICODE)) {
generated by cgit (git 2.34.1) at 2024-12-04 09:10:39 +0000