auto merge of #10878 : vadimcn/rust/manifest, r=alexcrichton

In order to avoid UAC installer detection silliness...

Closes #10512

src/librustc/back/link.rs

@@ -11,6 +11,7 @@
 
 use back::archive::{Archive, METADATA_FILENAME};
 use back::rpath;
+use back::manifest;
 use driver::driver::CrateTranslation;
 use driver::session::Session;
 use driver::session;
@@ -800,6 +801,12 @@ fn link_binary_output(sess: Session,
         }
         session::OutputExecutable => {
             link_natively(sess, false, obj_filename, &out_filename);
+            // Windows linker will add an ".exe" extension if there was none
+            let out_filename = match out_filename.extension() {
+                Some(_) => out_filename.clone(),
+                None => out_filename.with_extension(win32::EXE_EXTENSION)
+            };
+            manifest::postprocess_executable(sess, &out_filename);
         }
         session::OutputDylib => {
             link_natively(sess, true, obj_filename, &out_filename);

src/librustc/back/manifest.rs

@@ -0,0 +1,108 @@
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+
+// To avoid problems with Windows UAC installer detection heuristics,
+// Rust-produced executables need an application manifest.
+// For details, see issue #10512.
+
+// No-op on other platforms.
+
+use driver::session::Session;
+use std::path::Path;
+
+#[cfg(not(windows))]
+pub fn postprocess_executable(_sess: Session, _filename: &Path) {}
+
+#[cfg(windows)]
+pub fn postprocess_executable(sess: Session, filename: &Path) {
+
+    let default_manifest = concat!(
+        "<?xml version='1.0' encoding='UTF-8' standalone='yes'?>",
+        "<assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>",
+        "  <trustInfo xmlns='urn:schemas-microsoft-com:asm.v3'>",
+        "    <security>",
+        "      <requestedPrivileges>",
+        "        <requestedExecutionLevel level='asInvoker' uiAccess='false' />",
+        "      </requestedPrivileges>",
+        "    </security>",
+        "  </trustInfo>",
+        "</assembly>");
+
+    match windows::embed_manifest(filename, default_manifest) {
+        Ok(_) => (),
+        Err(msg) => sess.err(format!("Could not embed application manifest: {}", msg))
+    }
+}
+
+#[cfg(windows)]
+mod windows {
+    use std::libc::types::os::arch::extra::{BOOL,WORD,DWORD,HANDLE,LPCWSTR,LPCVOID};
+    use std::libc::consts::os::extra::FALSE;
+    use std::cast::transmute;
+    use std::os;
+
+    // FIXME #9053: should import as_utf16_p from std rather than re-defining here
+    //use std::os::win32::as_utf16_p;
+    fn as_utf16_p<T>(s: &str, f: |*u16| -> T) -> T {
+        let mut t = s.to_utf16();
+        // Null terminate before passing on.
+        t.push(0u16);
+        t.as_imm_buf(|buf, _len| f(buf))
+    }
+
+    #[link_name = "kernel32"]
+    extern "system" {
+        pub fn BeginUpdateResourceW(pFileName: LPCWSTR,
+                                    bDeleteExistingResources: BOOL) -> HANDLE;
+        pub fn UpdateResourceW(hUpdate: HANDLE,
+                               lpType: LPCWSTR,
+                               lpName: LPCWSTR,
+                               wLanguage: WORD,
+                               lpData: LPCVOID,
+                               cbData: DWORD) -> BOOL;
+        pub fn EndUpdateResourceW(hUpdate: HANDLE,
+                                  fDiscard: BOOL) -> BOOL;
+    }
+
+    fn MAKEINTRESOURCEW(id: int) -> LPCWSTR {
+        unsafe{ transmute(id) }
+    }
+
+    pub fn embed_manifest(filename: &Path,
+                          manifest: &str) -> Result<(),~str> {
+        unsafe {
+            let hUpdate = as_utf16_p(filename.as_str().unwrap(), |path| {
+                BeginUpdateResourceW(path, FALSE)
+            });
+            if hUpdate.is_null() {
+                return Err(format!("failure in BeginUpdateResourceW: {}", os::last_os_error()));
+            }
+
+            let ok = manifest.as_imm_buf(|p, len| {
+                UpdateResourceW(hUpdate,
+                                MAKEINTRESOURCEW(24), // RT_MANIFEST
+                                MAKEINTRESOURCEW(1),  // CREATEPROCESS_MANIFEST_RESOURCE_ID
+                                0,                    // LANG_NEUTRAL, SUBLANG_NEUTRAL
+                                p as LPCVOID,
+                                len as u32)
+            });
+            if ok == FALSE {
+                return Err(format!("failure in UpdateResourceW: {}", os::last_os_error()));
+            }
+
+            let ok = EndUpdateResourceW(hUpdate, FALSE);
+            if ok == FALSE {
+                return Err(format!("failure in EndUpdateResourceW: {}", os::last_os_error()));
+            }
+            Ok(())
+        }
+    }
+}

src/librustc/lib.rs

@@ -93,6 +93,7 @@ pub mod front {
 pub mod back {
     pub mod archive;
     pub mod link;
+    pub mod manifest;
     pub mod abi;
     pub mod upcall;
     pub mod arm;

src/test/run-pass/setup.rs

@@ -0,0 +1,19 @@
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// On Windows this test checks that Rust binaries have an embedded
+// application manifest and don't trip UAC installer detection
+// heuristics ("setup" is one of the "installer" keywords).
+// For details, see issue #10512.
+
+// On other platforms this is a no-op.
+
+pub fn main() {
+}