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server: Set the security descriptor of named pipe objects.

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This commit is contained in:
Hans Leidekker 2014-11-12 11:25:23 +01:00 committed by Alexandre Julliard
parent 32450ee61d
commit b31ed58b96
6 changed files with 46 additions and 29 deletions
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19
dlls/ntdll/file.c
View file

@ -3043,7 +3043,9 @@ NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
ULONG inbound_quota, ULONG outbound_quota,
PLARGE_INTEGER timeout)
{
NTSTATUS status;
struct security_descriptor *sd = NULL;
struct object_attributes objattr;
NTSTATUS status;
TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
@ -3054,11 +3056,17 @@ NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
if (timeout->QuadPart > 0)
FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
objattr.rootdir = wine_server_obj_handle( attr->RootDirectory );
objattr.sd_len = 0;
objattr.name_len = attr->ObjectName->Length;
status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
if (status != STATUS_SUCCESS) return status;
SERVER_START_REQ( create_named_pipe )
{
req->access = access;
req->attributes = attr->Attributes;
req->rootdir = wine_server_obj_handle( attr->RootDirectory );
req->options = options;
req->sharing = sharing;
req->flags =
@ -3069,12 +3077,15 @@ NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
req->outsize = outbound_quota;
req->insize = inbound_quota;
req->timeout = timeout->QuadPart;
wine_server_add_data( req, attr->ObjectName->Buffer,
attr->ObjectName->Length );
wine_server_add_data( req, &objattr, sizeof(objattr) );
if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
status = wine_server_call( req );
if (!status) *handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
NTDLL_free_struct_sd( sd );
return status;
}

10
include/wine/server_protocol.h
View file

@ -2960,7 +2960,7 @@ struct accept_hardware_message_request
struct request_header __header;
unsigned int hw_id;
int remove;
user_handle_t new_win;
char __pad_20[4];
};
struct accept_hardware_message_reply
{
@ -3146,17 +3146,15 @@ struct create_named_pipe_request
struct request_header __header;
unsigned int access;
unsigned int attributes;
obj_handle_t rootdir;
unsigned int options;
unsigned int sharing;
unsigned int maxinstances;
unsigned int outsize;
unsigned int insize;
char __pad_44[4];
timeout_t timeout;
unsigned int flags;
/* VARARG(name,unicode_str); */
char __pad_60[4];
/* VARARG(objattr,object_attributes); */
char __pad_52[4];
};
struct create_named_pipe_reply
{
@ -5849,6 +5847,6 @@ union generic_reply
struct set_suspend_context_reply set_suspend_context_reply;
};
#define SERVER_PROTOCOL_VERSION 457
#define SERVER_PROTOCOL_VERSION 458
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

21
server/named_pipe.c
View file

@ -52,6 +52,7 @@
#include "handle.h"
#include "thread.h"
#include "request.h"
#include "security.h"
enum pipe_state
{
@ -689,7 +690,7 @@ static obj_handle_t pipe_server_ioctl( struct fd *fd, ioctl_code_t code, const a
}
static struct named_pipe *create_named_pipe( struct directory *root, const struct unicode_str *name,
unsigned int attr )
unsigned int attr, const struct security_descriptor *sd )
{
struct object *obj;
struct named_pipe *pipe = NULL;
@ -954,6 +955,8 @@ DECL_HANDLER(create_named_pipe)
struct pipe_server *server;
struct unicode_str name;
struct directory *root = NULL;
const struct object_attributes *objattr = get_req_data();
const struct security_descriptor *sd;
if (!req->sharing || (req->sharing & ~(FILE_SHARE_READ | FILE_SHARE_WRITE)) ||
(!(req->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) && (req->flags & NAMED_PIPE_MESSAGE_STREAM_READ)))
@ -963,11 +966,17 @@ DECL_HANDLER(create_named_pipe)
}
reply->handle = 0;
get_req_unicode_str( &name );
if (req->rootdir && !(root = get_directory_obj( current->process, req->rootdir, 0 )))
if (!objattr_is_valid( objattr, get_req_data_size() ))
return;
pipe = create_named_pipe( root, &name, req->attributes | OBJ_OPENIF );
sd = objattr->sd_len ? (const struct security_descriptor *)(objattr + 1) : NULL;
objattr_get_name( objattr, &name );
if (objattr->rootdir && !(root = get_directory_obj( current->process, objattr->rootdir, 0 )))
return;
pipe = create_named_pipe( root, &name, req->attributes | OBJ_OPENIF, sd );
if (root) release_object( root );
if (!pipe) return;
@ -1007,6 +1016,10 @@ DECL_HANDLER(create_named_pipe)
{
reply->handle = alloc_handle( current->process, server, req->access, req->attributes );
server->pipe->instances++;
if (sd) default_set_sd( &server->obj, sd, OWNER_SECURITY_INFORMATION |
GROUP_SECURITY_INFORMATION |
DACL_SECURITY_INFORMATION |
SACL_SECURITY_INFORMATION );
release_object( server );
}

3
server/protocol.def
View file

@ -2274,7 +2274,6 @@ enum message_type
@REQ(create_named_pipe)
unsigned int access;
unsigned int attributes; /* object attributes */
obj_handle_t rootdir; /* root directory */
unsigned int options;
unsigned int sharing;
unsigned int maxinstances;
@ -2282,7 +2281,7 @@ enum message_type
unsigned int insize;
timeout_t timeout;
unsigned int flags;
VARARG(name,unicode_str); /* pipe name */
VARARG(objattr,object_attributes); /* object attributes */
@REPLY
obj_handle_t handle; /* handle to the pipe */
@END

18
server/request.h
View file

@ -1454,7 +1454,6 @@ C_ASSERT( FIELD_OFFSET(struct reply_message_request, result) == 16 );
C_ASSERT( sizeof(struct reply_message_request) == 24 );
C_ASSERT( FIELD_OFFSET(struct accept_hardware_message_request, hw_id) == 12 );
C_ASSERT( FIELD_OFFSET(struct accept_hardware_message_request, remove) == 16 );
C_ASSERT( FIELD_OFFSET(struct accept_hardware_message_request, new_win) == 20 );
C_ASSERT( sizeof(struct accept_hardware_message_request) == 24 );
C_ASSERT( FIELD_OFFSET(struct get_message_reply_request, cancel) == 12 );
C_ASSERT( sizeof(struct get_message_reply_request) == 16 );
@ -1518,15 +1517,14 @@ C_ASSERT( sizeof(struct get_ioctl_result_request) == 24 );
C_ASSERT( sizeof(struct get_ioctl_result_reply) == 8 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, access) == 12 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, attributes) == 16 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, rootdir) == 20 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, options) == 24 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, sharing) == 28 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, maxinstances) == 32 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, outsize) == 36 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, insize) == 40 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, timeout) == 48 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, flags) == 56 );
C_ASSERT( sizeof(struct create_named_pipe_request) == 64 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, options) == 20 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, sharing) == 24 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, maxinstances) == 28 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, outsize) == 32 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, insize) == 36 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, timeout) == 40 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_request, flags) == 48 );
C_ASSERT( sizeof(struct create_named_pipe_request) == 56 );
C_ASSERT( FIELD_OFFSET(struct create_named_pipe_reply, handle) == 8 );
C_ASSERT( sizeof(struct create_named_pipe_reply) == 16 );
C_ASSERT( FIELD_OFFSET(struct get_named_pipe_info_request, handle) == 12 );

4
server/trace.c
View file

@ -2628,7 +2628,6 @@ static void dump_accept_hardware_message_request( const struct accept_hardware_m
{
fprintf( stderr, " hw_id=%08x", req->hw_id );
fprintf( stderr, ", remove=%d", req->remove );
fprintf( stderr, ", new_win=%08x", req->new_win );
}
static void dump_get_message_reply_request( const struct get_message_reply_request *req )
@ -2747,7 +2746,6 @@ static void dump_create_named_pipe_request( const struct create_named_pipe_reque
{
fprintf( stderr, " access=%08x", req->access );
fprintf( stderr, ", attributes=%08x", req->attributes );
fprintf( stderr, ", rootdir=%04x", req->rootdir );
fprintf( stderr, ", options=%08x", req->options );
fprintf( stderr, ", sharing=%08x", req->sharing );
fprintf( stderr, ", maxinstances=%08x", req->maxinstances );
@ -2755,7 +2753,7 @@ static void dump_create_named_pipe_request( const struct create_named_pipe_reque
fprintf( stderr, ", insize=%08x", req->insize );
dump_timeout( ", timeout=", &req->timeout );
fprintf( stderr, ", flags=%08x", req->flags );
dump_varargs_unicode_str( ", name=", cur_size );
dump_varargs_object_attributes( ", objattr=", cur_size );
}
static void dump_create_named_pipe_reply( const struct create_named_pipe_reply *req )