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Implement symbolic link object in wineserver. 

Implement Nt[Create|Open|Query]SymbolicLinkObject.
Change tests accordingly.
This commit is contained in:
Vitaliy Margolen 2005-11-30 19:22:57 +01:00 committed by Alexandre Julliard
parent ab86f8cde3
commit 80444dfe51
10 changed files with 515 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

141
dlls/ntdll/om.c
View File

@ -2,6 +2,7 @@
* Object management functions
*
* Copyright 1999, 2000 Juergen Schmied
* Copyright 2005 Vitaliy Margolen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -470,45 +471,137 @@ NTSTATUS WINAPI NtQueryDirectoryObject(IN HANDLE DirectoryHandle, OUT PDIRECTORY
/******************************************************************************
* NtOpenSymbolicLinkObject [NTDLL.@]
* ZwOpenSymbolicLinkObject [NTDLL.@]
*
* Open a namespace symbolic link object.
*
* PARAMS
* LinkHandle [O] Destination for the new symbolic link handle
* DesiredAccess [I] Desired access to the symbolic link
* ObjectAttributes [I] Structure describing the symbolic link
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: An NTSTATUS error code.
*/
NTSTATUS WINAPI NtOpenSymbolicLinkObject(
OUT PHANDLE LinkHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes)
NTSTATUS WINAPI NtOpenSymbolicLinkObject(OUT PHANDLE LinkHandle, IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes)
{
FIXME("(%p,0x%08lx,%p) stub\n",
LinkHandle, DesiredAccess, ObjectAttributes);
dump_ObjectAttributes(ObjectAttributes);
return STATUS_OBJECT_NAME_NOT_FOUND;
NTSTATUS ret;
TRACE("(%p,0x%08lx,%p)\n",LinkHandle, DesiredAccess, ObjectAttributes);
dump_ObjectAttributes(ObjectAttributes);
if (!LinkHandle) return STATUS_ACCESS_VIOLATION;
if (!ObjectAttributes) return STATUS_INVALID_PARAMETER;
/* Have to test it here because server won't know difference between
* ObjectName == NULL and ObjectName == "" */
if (!ObjectAttributes->ObjectName)
{
if (ObjectAttributes->RootDirectory)
return STATUS_OBJECT_NAME_INVALID;
else
return STATUS_OBJECT_PATH_SYNTAX_BAD;
}
SERVER_START_REQ(open_symlink)
{
req->access = DesiredAccess;
req->attributes = ObjectAttributes ? ObjectAttributes->Attributes : 0;
req->rootdir = ObjectAttributes ? ObjectAttributes->RootDirectory : 0;
if (ObjectAttributes->ObjectName)
wine_server_add_data(req, ObjectAttributes->ObjectName->Buffer,
ObjectAttributes->ObjectName->Length);
ret = wine_server_call( req );
*LinkHandle = reply->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtCreateSymbolicLinkObject [NTDLL.@]
* ZwCreateSymbolicLinkObject [NTDLL.@]
*
* Open a namespace symbolic link object.
*
* PARAMS
* SymbolicLinkHandle [O] Destination for the new symbolic link handle
* DesiredAccess [I] Desired access to the symbolic link
* ObjectAttributes [I] Structure describing the symbolic link
* TargetName [I] Name of the target symbolic link points to
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: An NTSTATUS error code.
*/
NTSTATUS WINAPI NtCreateSymbolicLinkObject(
OUT PHANDLE SymbolicLinkHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN PUNICODE_STRING Name)
NTSTATUS WINAPI NtCreateSymbolicLinkObject(OUT PHANDLE SymbolicLinkHandle,IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN PUNICODE_STRING TargetName)
{
FIXME("(%p,0x%08lx,%p, %p) stub\n",
SymbolicLinkHandle, DesiredAccess, ObjectAttributes, debugstr_us(Name));
dump_ObjectAttributes(ObjectAttributes);
return 0;
NTSTATUS ret;
TRACE("(%p,0x%08lx,%p, -> %s)\n", SymbolicLinkHandle, DesiredAccess, ObjectAttributes,
debugstr_us(TargetName));
dump_ObjectAttributes(ObjectAttributes);
if (!SymbolicLinkHandle || !TargetName) return STATUS_ACCESS_VIOLATION;
if (!TargetName->Buffer) return STATUS_INVALID_PARAMETER;
SERVER_START_REQ(create_symlink)
{
req->access = DesiredAccess;
req->attributes = ObjectAttributes ? ObjectAttributes->Attributes : 0;
req->rootdir = ObjectAttributes ? ObjectAttributes->RootDirectory : 0;
if (ObjectAttributes->ObjectName)
{
req->name_len = ObjectAttributes->ObjectName->Length;
wine_server_add_data(req, ObjectAttributes->ObjectName->Buffer,
ObjectAttributes->ObjectName->Length);
}
else
req->name_len = 0;
wine_server_add_data(req, TargetName->Buffer, TargetName->Length);
ret = wine_server_call( req );
*SymbolicLinkHandle = reply->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtQuerySymbolicLinkObject [NTDLL.@]
* ZwQuerySymbolicLinkObject [NTDLL.@]
*
* Query a namespace symbolic link object target name.
*
* PARAMS
* LinkHandle [I] Handle to a symbolic link object
* LinkTarget [O] Destination for the symbolic link target
* ReturnedLength [O] Size of returned data
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: An NTSTATUS error code.
*/
NTSTATUS WINAPI NtQuerySymbolicLinkObject(
IN HANDLE LinkHandle,
IN OUT PUNICODE_STRING LinkTarget,
OUT PULONG ReturnedLength OPTIONAL)
NTSTATUS WINAPI NtQuerySymbolicLinkObject(IN HANDLE LinkHandle, IN OUT PUNICODE_STRING LinkTarget,
OUT PULONG ReturnedLength OPTIONAL)
{
FIXME("(%p,%p,%p) stub\n",
LinkHandle, debugstr_us(LinkTarget), ReturnedLength);
NTSTATUS ret;
TRACE("(%p,%p,%p)\n", LinkHandle, LinkTarget, ReturnedLength);
return 0;
if (!LinkTarget) return STATUS_ACCESS_VIOLATION;
SERVER_START_REQ(query_symlink)
{
req->handle = LinkHandle;
wine_server_set_reply( req, LinkTarget->Buffer, LinkTarget->MaximumLength );
if (!(ret = wine_server_call( req )))
{
LinkTarget->Length = wine_server_reply_size(reply);
if (ReturnedLength) *ReturnedLength = LinkTarget->Length;
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************

34
dlls/ntdll/tests/om.c
View File

@ -185,9 +185,7 @@ static void test_name_collisions(void)
InitializeObjectAttributes(&attr, &str, 0, 0, NULL);
pRtlCreateUnicodeStringFromAsciiz(&str, "\\");
h = 0;
DIR_TEST_CREATE_FAILURE(&h, STATUS_OBJECT_NAME_COLLISION)
ok(h == 0, "Failed create returned valid handle! (%p)\n", h);
InitializeObjectAttributes(&attr, &str, OBJ_OPENIF, 0, NULL);
DIR_TEST_CREATE_FAILURE(&h, STATUS_OBJECT_NAME_EXISTS)
@ -336,11 +334,11 @@ void test_directory(void)
pRtlCreateUnicodeStringFromAsciiz(&str, "\\BaseNamedObjects\\Local");
InitializeObjectAttributes(&attr, &str, 0, 0, NULL);
status = pNtOpenSymbolicLinkObject(&dir, SYMBOLIC_LINK_QUERY, &attr);\
todo_wine ok(status == STATUS_SUCCESS, "Failed to open SymbolicLink(%08lx)\n", status);
ok(status == STATUS_SUCCESS, "Failed to open SymbolicLink(%08lx)\n", status);
pRtlFreeUnicodeString(&str);
InitializeObjectAttributes(&attr, &str, 0, dir, NULL);
pRtlCreateUnicodeStringFromAsciiz(&str, "one more level");
todo_wine{ DIR_TEST_CREATE_FAILURE(&h, STATUS_OBJECT_TYPE_MISMATCH) }
DIR_TEST_CREATE_FAILURE(&h, STATUS_OBJECT_TYPE_MISMATCH)
pRtlFreeUnicodeString(&str);
pNtClose(h);
pNtClose(dir);
@ -396,15 +394,15 @@ void test_directory(void)
InitializeObjectAttributes(&attr, &str, 0, 0, NULL);
pRtlCreateUnicodeStringFromAsciiz(&str, "\\BaseNamedObjects\\Global\\om.c-test");
todo_wine{ DIR_TEST_CREATE_SUCCESS(&dir) }
DIR_TEST_CREATE_SUCCESS(&dir)
pRtlFreeUnicodeString(&str);
pRtlCreateUnicodeStringFromAsciiz(&str, "\\BaseNamedObjects\\Local\\om.c-test\\one more level");
todo_wine{ DIR_TEST_CREATE_SUCCESS(&h) }
DIR_TEST_CREATE_SUCCESS(&h)
pRtlFreeUnicodeString(&str);
pNtClose(h);
InitializeObjectAttributes(&attr, &str, 0, dir, NULL);
pRtlCreateUnicodeStringFromAsciiz(&str, "one more level");
todo_wine{ DIR_TEST_CREATE_SUCCESS(&dir) }
DIR_TEST_CREATE_SUCCESS(&dir)
pRtlFreeUnicodeString(&str);
pNtClose(h);
@ -476,18 +474,18 @@ void test_symboliclink(void)
IO_STATUS_BLOCK iosb;
/* No name and/or no attributes */
todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(NULL, "", "", STATUS_ACCESS_VIOLATION) }
SYMLNK_TEST_CREATE_OPEN_FAILURE(NULL, "", "", STATUS_ACCESS_VIOLATION)
status = pNtCreateSymbolicLinkObject(&h, SYMBOLIC_LINK_QUERY, NULL, NULL);
todo_wine ok(status == STATUS_ACCESS_VIOLATION,
ok(status == STATUS_ACCESS_VIOLATION,
"NtCreateSymbolicLinkObject should have failed with STATUS_ACCESS_VIOLATION got(%08lx)\n", status);
status = pNtOpenSymbolicLinkObject(&h, SYMBOLIC_LINK_QUERY, NULL);
todo_wine ok(status == STATUS_INVALID_PARAMETER,
ok(status == STATUS_INVALID_PARAMETER,
"NtOpenSymbolicLinkObject should have failed with STATUS_INVALID_PARAMETER got(%08lx)\n", status);
InitializeObjectAttributes(&attr, NULL, 0, 0, NULL);
todo_wine{ SYMLNK_TEST_CREATE_FAILURE(&link, STATUS_INVALID_PARAMETER) }
todo_wine{ SYMLNK_TEST_OPEN_FAILURE(&h, STATUS_OBJECT_PATH_SYNTAX_BAD) }
SYMLNK_TEST_CREATE_FAILURE(&link, STATUS_INVALID_PARAMETER)
SYMLNK_TEST_OPEN_FAILURE(&h, STATUS_OBJECT_PATH_SYNTAX_BAD)
/* Bad name */
pRtlCreateUnicodeStringFromAsciiz(&target, "anywhere");
@ -495,7 +493,7 @@ void test_symboliclink(void)
pRtlCreateUnicodeStringFromAsciiz(&str, "");
SYMLNK_TEST_CREATE_SUCCESS(&link)
todo_wine{ SYMLNK_TEST_OPEN_FAILURE(&h, STATUS_OBJECT_PATH_SYNTAX_BAD) }
SYMLNK_TEST_OPEN_FAILURE(&h, STATUS_OBJECT_PATH_SYNTAX_BAD)
pNtClose(link);
pRtlFreeUnicodeString(&str);
@ -504,11 +502,11 @@ void test_symboliclink(void)
pRtlFreeUnicodeString(&str);
pRtlFreeUnicodeString(&target);
todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "BaseNamedObjects", "->Somewhere", STATUS_OBJECT_PATH_SYNTAX_BAD) }
todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\", "->Somewhere", STATUS_OBJECT_NAME_INVALID) }
todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\\\BaseNamedObjects", "->Somewhere", STATUS_OBJECT_NAME_INVALID) }
todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\\\om.c-test", "->Somewhere", STATUS_OBJECT_NAME_INVALID) }
todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\om.c-test\\", "->Somewhere", STATUS_OBJECT_NAME_INVALID) }
SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "BaseNamedObjects", "->Somewhere", STATUS_OBJECT_PATH_SYNTAX_BAD)
SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\", "->Somewhere", STATUS_OBJECT_NAME_INVALID)
SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\\\BaseNamedObjects", "->Somewhere", STATUS_OBJECT_NAME_INVALID)
SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\\\om.c-test", "->Somewhere", STATUS_OBJECT_NAME_INVALID)
SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\om.c-test\\", "->Somewhere", STATUS_OBJECT_NAME_INVALID)
/* Compaund test */

58
include/wine/server_protocol.h
View File

@ -3609,6 +3609,53 @@ struct open_directory_reply
};
struct create_symlink_request
{
struct request_header __header;
unsigned int access;
unsigned int attributes;
obj_handle_t rootdir;
size_t name_len;
/* VARARG(name,unicode_str,name_len); */
/* VARARG(target_name,unicode_str); */
};
struct create_symlink_reply
{
struct reply_header __header;
obj_handle_t handle;
};
struct open_symlink_request
{
struct request_header __header;
unsigned int access;
unsigned int attributes;
obj_handle_t rootdir;
/* VARARG(name,unicode_str); */
};
struct open_symlink_reply
{
struct reply_header __header;
obj_handle_t handle;
};
struct query_symlink_request
{
struct request_header __header;
obj_handle_t handle;
};
struct query_symlink_reply
{
struct reply_header __header;
/* VARARG(target_name,unicode_str); */
};
enum request
{
REQ_new_process,
@ -3818,6 +3865,9 @@ enum request
REQ_set_mailslot_info,
REQ_create_directory,
REQ_open_directory,
REQ_create_symlink,
REQ_open_symlink,
REQ_query_symlink,
REQ_NB_REQUESTS
};
@ -4032,6 +4082,9 @@ union generic_request
struct set_mailslot_info_request set_mailslot_info_request;
struct create_directory_request create_directory_request;
struct open_directory_request open_directory_request;
struct create_symlink_request create_symlink_request;
struct open_symlink_request open_symlink_request;
struct query_symlink_request query_symlink_request;
};
union generic_reply
{
@ -4244,8 +4297,11 @@ union generic_reply
struct set_mailslot_info_reply set_mailslot_info_reply;
struct create_directory_reply create_directory_reply;
struct open_directory_reply open_directory_reply;
struct create_symlink_reply create_symlink_reply;
struct open_symlink_reply open_symlink_reply;
struct query_symlink_reply query_symlink_reply;
};
#define SERVER_PROTOCOL_VERSION 200
#define SERVER_PROTOCOL_VERSION 201
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

1
server/Makefile.in
View File

@ -40,6 +40,7 @@ C_SRCS = \
signal.c \
snapshot.c \
sock.c \
symlink.c \
thread.c \
timer.c \
token.c \

39
server/directory.c
View File

@ -285,34 +285,59 @@ obj_handle_t open_object_dir( struct directory *root, const struct unicode_str *
/* Global initialization */
static struct directory *dir_global, *dir_driver, *dir_device, *dir_basenamed;
static struct directory *dir_driver, *dir_device;
static struct symlink *link_dosdev, *link_global1, *link_global2, *link_local;
void init_directories(void)
{
/* Directories */
static const WCHAR dir_globalW[] = {'?','?'};
static const WCHAR dir_globalW[] = {'\\','?','?'};
static const WCHAR dir_driverW[] = {'D','r','i','v','e','r'};
static const WCHAR dir_deviceW[] = {'D','e','v','i','c','e'};
static const WCHAR dir_basenamedW[] = {'B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s'};
static const WCHAR dir_basenamedW[] = {'\\','B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s'};
static const struct unicode_str dir_global_str = {dir_globalW, sizeof(dir_globalW)};
static const struct unicode_str dir_driver_str = {dir_driverW, sizeof(dir_driverW)};
static const struct unicode_str dir_device_str = {dir_deviceW, sizeof(dir_deviceW)};
static const struct unicode_str dir_basenamed_str = {dir_basenamedW, sizeof(dir_basenamedW)};
/* symlinks */
static const WCHAR link_dosdevW[] = {'D','o','s','D','e','v','i','c','e','s'};
static const WCHAR link_globalW[] = {'G','l','o','b','a','l'};
static const WCHAR link_localW[] = {'L','o','c','a','l'};
static const struct unicode_str link_dosdev_str = {link_dosdevW, sizeof(link_dosdevW)};
static const struct unicode_str link_global_str = {link_globalW, sizeof(link_globalW)};
static const struct unicode_str link_local_str = {link_localW, sizeof(link_localW)};
struct directory *dir_global, *dir_basenamed;
root_directory = create_directory( NULL, NULL, 0, HASH_SIZE );
dir_global = create_directory( root_directory, &dir_global_str, 0, HASH_SIZE );
dir_driver = create_directory( root_directory, &dir_driver_str, 0, HASH_SIZE );
dir_device = create_directory( root_directory, &dir_device_str, 0, HASH_SIZE );
dir_global = create_directory( NULL, &dir_global_str, 0, HASH_SIZE );
/* use a larger hash table for this one since it can contain a lot of objects */
dir_basenamed = create_directory( root_directory, &dir_basenamed_str, 0, 37 );
dir_basenamed = create_directory( NULL, &dir_basenamed_str, 0, 37 );
/* symlinks */
link_dosdev = create_symlink( root_directory, &link_dosdev_str, 0, &dir_global_str );
link_global1 = create_symlink( dir_global, &link_global_str, 0, &dir_global_str );
link_global2 = create_symlink( dir_basenamed, &link_global_str, 0, &dir_basenamed_str );
link_local = create_symlink( dir_basenamed, &link_local_str, 0, &dir_basenamed_str );
/* the symlinks hold references so we can release these */
release_object( dir_global );
release_object( dir_basenamed );
}
void close_directories(void)
{
release_object( dir_global );
release_object( link_dosdev );
release_object( link_global1 );
release_object( link_global2 );
release_object( link_local );
release_object( dir_driver );
release_object( dir_device );
release_object( dir_basenamed );
release_object( root_directory );
}

6
server/object.h
View File

@ -193,6 +193,12 @@ extern obj_handle_t open_object_dir( struct directory *root, const struct unicod
extern void init_directories(void);
extern void close_directories(void);
/* symbolic link functions */
extern struct symlink *create_symlink( struct directory *root, const struct unicode_str *name,
unsigned int attr, const struct unicode_str *target );
/* global variables */
/* command-line options */

32
server/protocol.def
View File

@ -2527,3 +2527,35 @@ enum message_type
@REPLY
obj_handle_t handle; /* handle to the directory */
@END
/* Create a symbolic link object */
@REQ(create_symlink)
unsigned int access; /* access flags */
unsigned int attributes; /* object attributes */
obj_handle_t rootdir; /* root directory */
size_t name_len; /* length of the symlink name in bytes */
VARARG(name,unicode_str,name_len); /* symlink name */
VARARG(target_name,unicode_str); /* target name */
@REPLY
obj_handle_t handle; /* handle to the symlink */
@END
/* Open a symbolic link object */
@REQ(open_symlink)
unsigned int access; /* access flags */
unsigned int attributes; /* object attributes */
obj_handle_t rootdir; /* root directory */
VARARG(name,unicode_str); /* symlink name */
@REPLY
obj_handle_t handle; /* handle to the symlink */
@END
/* Query a symbolic link object */
@REQ(query_symlink)
obj_handle_t handle; /* handle to the symlink */
@REPLY
VARARG(target_name,unicode_str); /* target name */
@END

6
server/request.h
View File

@ -317,6 +317,9 @@ DECL_HANDLER(open_mailslot);
DECL_HANDLER(set_mailslot_info);
DECL_HANDLER(create_directory);
DECL_HANDLER(open_directory);
DECL_HANDLER(create_symlink);
DECL_HANDLER(open_symlink);
DECL_HANDLER(query_symlink);
#ifdef WANT_REQUEST_HANDLERS
@ -530,6 +533,9 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
(req_handler)req_set_mailslot_info,
(req_handler)req_create_directory,
(req_handler)req_open_directory,
(req_handler)req_create_symlink,
(req_handler)req_open_symlink,
(req_handler)req_query_symlink,
};
#endif /* WANT_REQUEST_HANDLERS */

196
server/symlink.c Normal file
View File

@ -0,0 +1,196 @@
/*
* Server-side symbolic link object management
*
* Copyright (C) 2005 Vitaliy Margolen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "winternl.h"
#include "ddk/wdm.h"
#include "handle.h"
#include "request.h"
#include "object.h"
#include "unicode.h"
struct symlink
{
struct object obj; /* object header */
WCHAR *target; /* target of the symlink */
size_t len; /* target len in bytes */
};
static void symlink_dump( struct object *obj, int verbose );
static struct object *symlink_lookup_name( struct object *obj, struct unicode_str *name,
unsigned int attr );
static void symlink_destroy( struct object *obj );
static const struct object_ops symlink_ops =
{
sizeof(struct symlink), /* size */
symlink_dump, /* dump */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
symlink_lookup_name, /* lookup_name */
no_close_handle, /* close_handle */
symlink_destroy /* destroy */
};
static void symlink_dump( struct object *obj, int verbose )
{
struct symlink *symlink = (struct symlink *)obj;
assert( obj->ops == &symlink_ops );
fprintf( stderr, "Symlink " );
dump_object_name( obj );
fprintf( stderr, " -> L\"" );
dump_strW( symlink->target, symlink->len / sizeof(WCHAR), stderr, "\"\"" );
fprintf( stderr, "\"\n" );
}
static struct object *symlink_lookup_name( struct object *obj, struct unicode_str *name,
unsigned int attr )
{
struct symlink *symlink = (struct symlink *)obj;
struct unicode_str target_str, name_left;
struct object *target;
assert( obj->ops == &symlink_ops );
if (attr & OBJ_OPENLINK) return NULL;
target_str.str = symlink->target;
target_str.len = symlink->len;
if ((target = find_object_dir( NULL, &target_str, attr, &name_left )))
{
if (name_left.len)
{
release_object( target );
target = NULL;
set_error( STATUS_OBJECT_PATH_NOT_FOUND );
}
}
return target;
}
static void symlink_destroy( struct object *obj )
{
struct symlink *symlink = (struct symlink *)obj;
assert( obj->ops == &symlink_ops );
free( symlink->target );
}
struct symlink *create_symlink( struct directory *root, const struct unicode_str *name,
unsigned int attr, const struct unicode_str *target )
{
struct symlink *symlink;
if (!target->len)
{
set_error( STATUS_INVALID_PARAMETER );
return NULL;
}
if ((symlink = create_named_object_dir( root, name, attr, &symlink_ops )) &&
(get_error() != STATUS_OBJECT_NAME_EXISTS))
{
if ((symlink->target = memdup( target->str, target->len )))
symlink->len = target->len;
else
{
release_object( symlink );
symlink = NULL;
}
}
return symlink;
}
/* create a symbolic link object */
DECL_HANDLER(create_symlink)
{
struct symlink *symlink;
struct unicode_str name, target;
struct directory *root = NULL;
if (req->name_len > get_req_data_size())
{
set_error( STATUS_INVALID_PARAMETER );
return;
}
name.str = get_req_data();
target.str = name.str + req->name_len / sizeof(WCHAR);
name.len = (target.str - name.str) * sizeof(WCHAR);
target.len = ((get_req_data_size() - name.len) / sizeof(WCHAR)) * sizeof(WCHAR);
if (req->rootdir && !(root = get_directory_obj( current->process, req->rootdir, 0 )))
return;
if ((symlink = create_symlink( root, &name, req->attributes, &target )))
{
reply->handle = alloc_handle( current->process, symlink, req->access,
req->attributes & OBJ_INHERIT );
release_object( symlink );
}
if (root) release_object( root );
}
/* open a symbolic link object */
DECL_HANDLER(open_symlink)
{
struct unicode_str name;
struct directory *root = NULL;
get_req_unicode_str( &name );
if (req->rootdir && !(root = get_directory_obj( current->process, req->rootdir, 0 )))
return;
reply->handle = open_object_dir( root, &name, req->attributes | OBJ_OPENLINK,
&symlink_ops, req->access );
if (root) release_object( root );
}
/* query a symbolic link object */
DECL_HANDLER(query_symlink)
{
struct symlink *symlink;
symlink = (struct symlink *)get_handle_obj( current->process, req->handle,
SYMBOLIC_LINK_QUERY, &symlink_ops );
if (!symlink) return;
if (get_reply_max_size() < symlink->len)
set_error( STATUS_BUFFER_TOO_SMALL );
else
set_reply_data( symlink->target, symlink->len );
release_object( symlink );
}

52
server/trace.c
View File

@ -3121,6 +3121,49 @@ static void dump_open_directory_reply( const struct open_directory_reply *req )
fprintf( stderr, " handle=%p", req->handle );
}
static void dump_create_symlink_request( const struct create_symlink_request *req )
{
fprintf( stderr, " access=%08x,", req->access );
fprintf( stderr, " attributes=%08x,", req->attributes );
fprintf( stderr, " rootdir=%p,", req->rootdir );
fprintf( stderr, " name_len=%d,", req->name_len );
fprintf( stderr, " name=" );
dump_varargs_unicode_str( min(cur_size,req->name_len) );
fputc( ',', stderr );
fprintf( stderr, " target_name=" );
dump_varargs_unicode_str( cur_size );
}
static void dump_create_symlink_reply( const struct create_symlink_reply *req )
{
fprintf( stderr, " handle=%p", req->handle );
}
static void dump_open_symlink_request( const struct open_symlink_request *req )
{
fprintf( stderr, " access=%08x,", req->access );
fprintf( stderr, " attributes=%08x,", req->attributes );
fprintf( stderr, " rootdir=%p,", req->rootdir );
fprintf( stderr, " name=" );
dump_varargs_unicode_str( cur_size );
}
static void dump_open_symlink_reply( const struct open_symlink_reply *req )
{
fprintf( stderr, " handle=%p", req->handle );
}
static void dump_query_symlink_request( const struct query_symlink_request *req )
{
fprintf( stderr, " handle=%p", req->handle );
}
static void dump_query_symlink_reply( const struct query_symlink_reply *req )
{
fprintf( stderr, " target_name=" );
dump_varargs_unicode_str( cur_size );
}
static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_new_process_request,
(dump_func)dump_get_new_process_info_request,
@ -3329,6 +3372,9 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_set_mailslot_info_request,
(dump_func)dump_create_directory_request,
(dump_func)dump_open_directory_request,
(dump_func)dump_create_symlink_request,
(dump_func)dump_open_symlink_request,
(dump_func)dump_query_symlink_request,
};
static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
@ -3539,6 +3585,9 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_set_mailslot_info_reply,
(dump_func)dump_create_directory_reply,
(dump_func)dump_open_directory_reply,
(dump_func)dump_create_symlink_reply,
(dump_func)dump_open_symlink_reply,
(dump_func)dump_query_symlink_reply,
};
static const char * const req_names[REQ_NB_REQUESTS] = {
@ -3749,6 +3798,9 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
"set_mailslot_info",
"create_directory",
"open_directory",
"create_symlink",
"open_symlink",
"query_symlink",
};
static const struct