zig

commit beb9d33d6da42be75faed2975cf16e4acbf62be4 (tree)
parent 8c9919ec7b409d11ca73ca5764f44282dec0fe25
Author: Alexandros Naskos <alex_naskos@hotmail.com>
Date:   Tue, 17 Nov 2020 14:05:01 +0200

Disallow absolute paths passed as system libraries

Added OBJECT_NAME_INVALID handling in faccessatW

Diffstat:
M
lib/std/os.zig
 | 
1
+
M
src/main.zig
 | 
3
+++

2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/lib/std/os.zig b/lib/std/os.zig
@@ -3809,6 +3809,7 @@ pub fn faccessatW(dirfd: fd_t, sub_path_w: [*:0]const u16, mode: u32, flags: u32
         .SUCCESS => return,
         .OBJECT_NAME_NOT_FOUND => return error.FileNotFound,
         .OBJECT_PATH_NOT_FOUND => return error.FileNotFound,
+        .OBJECT_NAME_INVALID => return error.BadPathName,
         .INVALID_PARAMETER => unreachable,
         .ACCESS_DENIED => return error.PermissionDenied,
         .OBJECT_PATH_SYNTAX_BAD => unreachable,
diff --git a/src/main.zig b/src/main.zig
@@ -1401,6 +1401,9 @@ fn buildOutputType(
                 _ = system_libs.orderedRemove(i);
                 continue;
             }
+            if (std.fs.path.isAbsolute(lib_name)) {
+                fatal("cannot use absolute path as a system library: {}", .{lib_name});
+            }
             i += 1;
         }
     }