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server: Allow renaming a file to the same name. 

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-03-10 22:38:24 -05:00 committed by Alexandre Julliard
parent ee136f9832
commit 6971fd2d61
2 changed files with 20 additions and 9 deletions
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8
dlls/ntdll/tests/file.c
View File

@ -2123,8 +2123,8 @@ static void test_file_rename_information(void)
U(io).Status = 0xdeadbeef;
res = pNtSetInformationFile( handle, &io, fri, sizeof(FILE_RENAME_INFORMATION) + fri->FileNameLength, FileRenameInformation );
todo_wine ok( U(io).Status == STATUS_SUCCESS, "got io status %#x\n", U(io).Status );
todo_wine ok( res == STATUS_SUCCESS, "got status %x\n", res );
ok( U(io).Status == STATUS_SUCCESS, "got io status %#x\n", U(io).Status );
ok( res == STATUS_SUCCESS, "got status %x\n", res );
ok( GetFileAttributesW( oldpath ) != INVALID_FILE_ATTRIBUTES, "file should exist\n" );
CloseHandle( handle );
@ -2782,8 +2782,8 @@ static void test_file_link_information(void)
fli->ReplaceIfExists = TRUE;
U(io).Status = 0xdeadbeef;
res = pNtSetInformationFile( handle, &io, fli, sizeof(FILE_LINK_INFORMATION) + fli->FileNameLength, FileLinkInformation );
todo_wine ok( U(io).Status == STATUS_SUCCESS, "got io status %#x\n", U(io).Status );
todo_wine ok( res == STATUS_SUCCESS, "got status %x\n", res );
ok( U(io).Status == STATUS_SUCCESS, "got io status %#x\n", U(io).Status );
ok( res == STATUS_SUCCESS, "got status %x\n", res );
ok( GetFileAttributesW( oldpath ) != INVALID_FILE_ATTRIBUTES, "file should exist\n" );
CloseHandle( handle );

21
server/fd.c
View File

@ -2328,7 +2328,7 @@ static void set_fd_name( struct fd *fd, struct fd *root, const char *nameptr,
data_size_t len, int create_link, int replace )
{
struct inode *inode;
struct stat st;
struct stat st, st2;
char *name;
if (!fd->inode || !fd->unix_name)
@ -2336,6 +2336,12 @@ static void set_fd_name( struct fd *fd, struct fd *root, const char *nameptr,
set_error( STATUS_OBJECT_TYPE_MISMATCH );
return;
}
if (fd->unix_fd == -1)
{
set_error( fd->no_fd_status );
return;
}
if (!len || ((nameptr[0] == '/') ^ !root))
{
set_error( STATUS_OBJECT_PATH_SYNTAX_BAD );
@ -2358,8 +2364,7 @@ static void set_fd_name( struct fd *fd, struct fd *root, const char *nameptr,
}
/* when creating a hard link, source cannot be a dir */
if (create_link && fd->unix_fd != -1 &&
!fstat( fd->unix_fd, &st ) && S_ISDIR( st.st_mode ))
if (create_link && !fstat( fd->unix_fd, &st ) && S_ISDIR( st.st_mode ))
{
set_error( STATUS_FILE_IS_A_DIRECTORY );
goto failed;
@ -2367,6 +2372,13 @@ static void set_fd_name( struct fd *fd, struct fd *root, const char *nameptr,
if (!stat( name, &st ))
{
if (!fstat( fd->unix_fd, &st2 ) && st.st_ino == st2.st_ino && st.st_dev == st2.st_dev)
{
if (create_link && !replace) set_error( STATUS_OBJECT_NAME_COLLISION );
free( name );
return;
}
if (!replace)
{
set_error( STATUS_OBJECT_NAME_COLLISION );
@ -2394,8 +2406,7 @@ static void set_fd_name( struct fd *fd, struct fd *root, const char *nameptr,
/* link() expects that the target doesn't exist */
/* rename() cannot replace files with directories */
if (create_link || (fd->unix_fd != -1 &&
!fstat( fd->unix_fd, &st ) && S_ISDIR( st.st_mode )))
if (create_link || S_ISDIR( st2.st_mode ))
{
if (unlink( name ))
{