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server: Make create_semaphore use struct object_attributes and set the security descriptor of semaphore objects.
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a8df7fddd5
commit
b0e5fb4384
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@ -144,23 +144,37 @@ NTSTATUS WINAPI NtCreateSemaphore( OUT PHANDLE SemaphoreHandle,
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{
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DWORD len = attr && attr->ObjectName ? attr->ObjectName->Length : 0;
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NTSTATUS ret;
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struct object_attributes objattr;
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struct security_descriptor *sd = NULL;
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if (MaximumCount <= 0 || InitialCount < 0 || InitialCount > MaximumCount)
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return STATUS_INVALID_PARAMETER;
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if (len >= MAX_PATH * sizeof(WCHAR)) return STATUS_NAME_TOO_LONG;
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objattr.rootdir = attr ? attr->RootDirectory : 0;
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objattr.sd_len = 0;
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if (attr)
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{
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ret = create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
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if (ret != STATUS_SUCCESS) return ret;
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}
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SERVER_START_REQ( create_semaphore )
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{
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req->access = access;
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req->attributes = (attr) ? attr->Attributes : 0;
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req->rootdir = attr ? attr->RootDirectory : 0;
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req->initial = InitialCount;
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req->max = MaximumCount;
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wine_server_add_data( req, &objattr, sizeof(objattr) );
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if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
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if (len) wine_server_add_data( req, attr->ObjectName->Buffer, len );
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ret = wine_server_call( req );
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*SemaphoreHandle = reply->handle;
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}
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SERVER_END_REQ;
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free_struct_sd( sd );
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return ret;
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}
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@ -960,10 +960,9 @@ struct create_semaphore_request
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struct request_header __header;
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unsigned int access;
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unsigned int attributes;
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obj_handle_t rootdir;
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unsigned int initial;
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unsigned int max;
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/* VARARG(name,unicode_str); */
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/* VARARG(objattr,object_attributes); */
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};
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struct create_semaphore_reply
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{
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@ -4880,6 +4879,6 @@ union generic_reply
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struct set_completion_info_reply set_completion_info_reply;
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};
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#define SERVER_PROTOCOL_VERSION 318
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#define SERVER_PROTOCOL_VERSION 319
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#endif /* __WINE_WINE_SERVER_PROTOCOL_H */
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@ -812,10 +812,9 @@ enum event_op { PULSE_EVENT, SET_EVENT, RESET_EVENT };
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@REQ(create_semaphore)
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unsigned int access; /* wanted access rights */
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unsigned int attributes; /* object attributes */
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obj_handle_t rootdir; /* root directory */
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unsigned int initial; /* initial count */
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unsigned int max; /* maximum count */
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VARARG(name,unicode_str); /* object name */
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VARARG(objattr,object_attributes); /* object attributes */
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@REPLY
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obj_handle_t handle; /* handle to the semaphore */
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@END
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@ -34,6 +34,7 @@
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#include "handle.h"
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#include "thread.h"
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#include "request.h"
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#include "security.h"
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struct semaphore
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{
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@ -69,7 +70,8 @@ static const struct object_ops semaphore_ops =
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static struct semaphore *create_semaphore( struct directory *root, const struct unicode_str *name,
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unsigned int attr, unsigned int initial, unsigned int max )
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unsigned int attr, unsigned int initial, unsigned int max,
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const struct security_descriptor *sd )
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{
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struct semaphore *sem;
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@ -85,6 +87,10 @@ static struct semaphore *create_semaphore( struct directory *root, const struct
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/* initialize it if it didn't already exist */
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sem->count = initial;
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sem->max = max;
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if (sd) default_set_sd( &sem->obj, sd, OWNER_SECURITY_INFORMATION|
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GROUP_SECURITY_INFORMATION|
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DACL_SECURITY_INFORMATION|
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SACL_SECURITY_INFORMATION );
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}
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}
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return sem;
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@ -165,13 +171,23 @@ DECL_HANDLER(create_semaphore)
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struct semaphore *sem;
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struct unicode_str name;
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struct directory *root = NULL;
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const struct object_attributes *objattr = get_req_data();
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const struct security_descriptor *sd;
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reply->handle = 0;
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get_req_unicode_str( &name );
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if (req->rootdir && !(root = get_directory_obj( current->process, req->rootdir, 0 )))
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if (!objattr_is_valid( objattr, get_req_data_size() ))
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return;
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if ((sem = create_semaphore( root, &name, req->attributes, req->initial, req->max )))
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sd = objattr->sd_len ? (const struct security_descriptor *)(objattr + 1) : NULL;
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/* get unicode string */
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name.len = ((get_req_data_size() - sizeof(*objattr) - objattr->sd_len) / sizeof(WCHAR)) * sizeof(WCHAR);
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name.str = (const WCHAR *)get_req_data() + (sizeof(*objattr) + objattr->sd_len) / sizeof(WCHAR);
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if (objattr->rootdir && !(root = get_directory_obj( current->process, objattr->rootdir, 0 )))
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return;
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if ((sem = create_semaphore( root, &name, req->attributes, req->initial, req->max, sd )))
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{
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reply->handle = alloc_handle( current->process, sem, req->access, req->attributes );
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release_object( sem );
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@ -1230,11 +1230,10 @@ static void dump_create_semaphore_request( const struct create_semaphore_request
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{
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fprintf( stderr, " access=%08x,", req->access );
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fprintf( stderr, " attributes=%08x,", req->attributes );
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fprintf( stderr, " rootdir=%p,", req->rootdir );
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fprintf( stderr, " initial=%08x,", req->initial );
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fprintf( stderr, " max=%08x,", req->max );
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fprintf( stderr, " name=" );
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dump_varargs_unicode_str( cur_size );
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fprintf( stderr, " objattr=" );
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dump_varargs_object_attributes( cur_size );
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}
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static void dump_create_semaphore_reply( const struct create_semaphore_reply *req )
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