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ntdll: Use malloc() to allocate the buffer in nt_to_unix_file_name() and related helpers. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-07-14 10:32:31 +02:00
parent ef01f6ac13
commit 1037bf54bf
3 changed files with 25 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
dlls/ntdll/unix/file.c
View File

@ -789,11 +789,7 @@ static char *get_default_drive_device( const char *root )
fclose( f );
}
#endif
if (device)
{
ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 );
if (ret) strcpy( ret, device );
}
if (device) ret = strdup( device );
pthread_mutex_unlock( &mnt_mutex );
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__ ) || defined(__DragonFly__)
@ -817,11 +813,7 @@ static char *get_default_drive_device( const char *root )
* pass NULL. Leave the argument in for symmetry.
*/
device = parse_mount_entries( NULL, st.st_dev, st.st_ino );
if (device)
{
ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 );
if (ret) strcpy( ret, device );
}
if (device) ret = strdup( device );
pthread_mutex_unlock( &mnt_mutex );
#elif defined( sun )
@ -853,11 +845,7 @@ static char *get_default_drive_device( const char *root )
device = parse_vfstab_entries( f, st.st_dev, st.st_ino );
fclose( f );
}
if (device)
{
ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 );
if (ret) strcpy( ret, device );
}
if (device) ret = strdup( device );
pthread_mutex_unlock( &mnt_mutex );
#elif defined(__APPLE__)
@ -889,7 +877,7 @@ static char *get_default_drive_device( const char *root )
if ( strncmp(mntStat[i].f_mntfromname, path_bsd_device, strlen(path_bsd_device)) == 0)
{
/* set return value to the corresponding raw BSD node */
ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(mntStat[i].f_mntfromname) + 2 /* 2 : r and \0 */ );
ret = malloc( strlen(mntStat[i].f_mntfromname) + 2 /* 2 : r and \0 */ );
if (ret)
{
strcpy(ret, "/dev/r");
@ -2796,8 +2784,7 @@ static NTSTATUS get_dos_device( const WCHAR *name, UINT name_len, char **unix_na
unix_len = strlen(config_dir) + sizeof("/dosdevices/") + name_len + 1;
if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len )))
return STATUS_NO_MEMORY;
if (!(unix_name = malloc( unix_len ))) return STATUS_NO_MEMORY;
strcpy( unix_name, config_dir );
strcat( unix_name, "/dosdevices/" );
@ -2843,13 +2830,12 @@ static NTSTATUS get_dos_device( const WCHAR *name, UINT name_len, char **unix_na
}
if (!new_name) break;
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
unix_name = new_name;
unix_len = strlen(unix_name) + 1;
dev = NULL; /* last try */
}
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
return STATUS_BAD_DEVICE_TYPE;
}
@ -2984,7 +2970,7 @@ static NTSTATUS find_file_id( char **unix_name, ULONG *len, ULONGLONG file_id, d
pos = strlen( name );
if (pos + MAX_DIR_ENTRY_LEN >= *len / sizeof(WCHAR))
{
if (!(name = RtlReAllocateHeap( GetProcessHeap(), 0, name, *len * 2 )))
if (!(name = realloc( name, *len * 2 )))
{
closedir( dir );
return STATUS_NO_MEMORY;
@ -3037,7 +3023,7 @@ static NTSTATUS file_id_to_unix_file_name( const OBJECT_ATTRIBUTES *attr, char *
memcpy( &file_id, attr->ObjectName->Buffer, sizeof(file_id) );
len = 2 * MAX_DIR_ENTRY_LEN + 4;
if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, len ))) return STATUS_NO_MEMORY;
if (!(unix_name = malloc( len ))) return STATUS_NO_MEMORY;
strcpy( unix_name, "." );
if ((status = server_get_unix_fd( attr->RootDirectory, 0, &root_fd, &needs_close, &type, NULL )))
@ -3089,7 +3075,7 @@ done:
else
{
TRACE( "%s not found in dir %p\n", wine_dbgstr_longlong(file_id), attr->RootDirectory );
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
}
if (needs_close) close( root_fd );
return status;
@ -3160,8 +3146,7 @@ static NTSTATUS lookup_unix_name( const WCHAR *name, int name_len, char **buffer
{
char *new_name;
unix_len += 2 * MAX_DIR_ENTRY_LEN;
if (!(new_name = RtlReAllocateHeap( GetProcessHeap(), 0, unix_name, unix_len )))
return STATUS_NO_MEMORY;
if (!(new_name = realloc( unix_name, unix_len ))) return STATUS_NO_MEMORY;
unix_name = *buffer = new_name;
}
@ -3237,8 +3222,7 @@ static NTSTATUS nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES *attr, char *
if (*p < 32 || wcschr( invalid_charsW, *p )) return STATUS_OBJECT_NAME_INVALID;
unix_len = name_len * 3 + MAX_DIR_ENTRY_LEN + 3;
if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len )))
return STATUS_NO_MEMORY;
if (!(unix_name = malloc( unix_len ))) return STATUS_NO_MEMORY;
unix_name[0] = '.';
if (!(status = server_get_unix_fd( attr->RootDirectory, 0, &root_fd, &needs_close, &type, NULL )))
@ -3273,7 +3257,7 @@ static NTSTATUS nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES *attr, char *
else
{
TRACE( "%s not found in %s\n", debugstr_w(name), unix_name );
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
}
return status;
}
@ -3350,8 +3334,7 @@ NTSTATUS nt_to_unix_file_name( const UNICODE_STRING *nameW, char **unix_name_ret
unix_len = (prefix_len + name_len) * 3 + MAX_DIR_ENTRY_LEN + 3;
unix_len += strlen(config_dir) + sizeof("/dosdevices/");
if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len )))
return STATUS_NO_MEMORY;
if (!(unix_name = malloc( unix_len ))) return STATUS_NO_MEMORY;
strcpy( unix_name, config_dir );
strcat( unix_name, "/dosdevices/" );
pos = strlen(unix_name);
@ -3359,7 +3342,7 @@ NTSTATUS nt_to_unix_file_name( const UNICODE_STRING *nameW, char **unix_name_ret
ret = ntdll_wcstoumbs( prefix, prefix_len, unix_name + pos, unix_len - pos - 1, TRUE );
if (ret <= 0)
{
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
return STATUS_OBJECT_NAME_INVALID;
}
pos += ret;
@ -3373,7 +3356,7 @@ NTSTATUS nt_to_unix_file_name( const UNICODE_STRING *nameW, char **unix_name_ret
{
if (!is_unix)
{
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
return STATUS_BAD_DEVICE_TYPE;
}
pos = 0; /* fall back to unix root */
@ -3389,7 +3372,7 @@ NTSTATUS nt_to_unix_file_name( const UNICODE_STRING *nameW, char **unix_name_ret
else
{
TRACE( "%s not found in %s\n", debugstr_w(name), unix_name );
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
}
return status;
}
@ -3415,7 +3398,7 @@ NTSTATUS CDECL wine_nt_to_unix_file_name( const UNICODE_STRING *nameW, char *nam
if (*size > strlen(buffer)) strcpy( nameA, buffer );
else status = STATUS_BUFFER_TOO_SMALL;
*size = strlen(buffer) + 1;
RtlFreeHeap( GetProcessHeap(), 0, buffer );
free( buffer );
}
return status;
}
@ -3626,7 +3609,7 @@ NTSTATUS WINAPI NtCreateFile( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBU
{
io->u.Status = open_unix_file( handle, unix_name, access, attr, attributes,
sharing, disposition, options, ea_buffer, ea_length );
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
}
else WARN( "%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
@ -3805,7 +3788,7 @@ NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
info->FileAttributes = basic.FileAttributes;
if (is_hidden_file( attr->ObjectName )) info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
}
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
}
else WARN( "%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
return status;
@ -3834,7 +3817,7 @@ NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC
status = fill_file_info( &st, attributes, info, FileBasicInformation );
if (is_hidden_file( attr->ObjectName )) info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
}
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
}
else WARN( "%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
return status;
@ -4397,7 +4380,7 @@ NTSTATUS WINAPI NtSetInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
}
SERVER_END_REQ;
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
}
else io->u.Status = STATUS_INVALID_PARAMETER_3;
break;
@ -4434,7 +4417,7 @@ NTSTATUS WINAPI NtSetInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
}
SERVER_END_REQ;
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
}
else io->u.Status = STATUS_INVALID_PARAMETER_3;
break;

2
dlls/ntdll/unix/loader.c
View File

@ -938,7 +938,7 @@ static NTSTATUS CDECL load_so_dll( UNICODE_STRING *nt_name, void **module )
if (len > 3 && !wcsicmp( nt_name->Buffer + len - 3, soW )) nt_name->Length -= 3 * sizeof(WCHAR);
status = dlopen_dll( unix_name, module );
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
return status;
}

2
dlls/ntdll/unix/process.c
View File

@ -768,7 +768,7 @@ static NTSTATUS fork_and_exec( UNICODE_STRING *path, int unixdir,
if (stdin_fd != -1) close( stdin_fd );
if (stdout_fd != -1) close( stdout_fd );
done:
RtlFreeHeap( GetProcessHeap(), 0, unix_name );
free( unix_name );
return status;
}