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* [newlib-cygwin/cygwin-3_3-branch] Cygwin: console: Modify ConEmu cygwin connector hook.
@ 2022-08-01 23:16 Takashi Yano
  0 siblings, 0 replies; only message in thread
From: Takashi Yano @ 2022-08-01 23:16 UTC (permalink / raw)
  To: cygwin-cvs

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=7a469e6dd5e211a9bc7697e9330513edad8f2690

commit 7a469e6dd5e211a9bc7697e9330513edad8f2690
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date:   Tue Aug 2 07:42:53 2022 +0900

    Cygwin: console: Modify ConEmu cygwin connector hook.
    
    - Previously, LoadLibraryA() is hooked for ConEmu cygwin connector.
      With this patch, GetProcAddress() for "RequestTermConnector" is
      hooked instead which is more essential for ConEmu cygwin connector.

Diff:
---
 winsup/cygwin/fhandler_console.cc | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc
index 41b3fd6b8..b5594a673 100644
--- a/winsup/cygwin/fhandler_console.cc
+++ b/winsup/cygwin/fhandler_console.cc
@@ -3988,7 +3988,7 @@ fhandler_console::set_console_mode_to_native ()
 DEF_HOOK (CreateProcessA);
 DEF_HOOK (CreateProcessW);
 DEF_HOOK (ContinueDebugEvent);
-DEF_HOOK (LoadLibraryA); /* Hooked for ConEmu cygwin connector */
+DEF_HOOK (GetProcAddress); /* Hooked for ConEmu cygwin connector */
 
 static BOOL WINAPI
 CreateProcessA_Hooked
@@ -4031,21 +4031,12 @@ ContinueDebugEvent_Hooked
 }
 
 /* Hooked for ConEmu cygwin connector */
-static HMODULE WINAPI
-LoadLibraryA_Hooked (LPCSTR m)
+static FARPROC WINAPI
+GetProcAddress_Hooked (HMODULE h, LPCSTR n)
 {
-  const char *p;
-  if ((p = strrchr(m, '\\')))
-    p++;
-  else
-    p = m;
-#ifdef __x86_64__
-  if (strcasecmp(p, "ConEmuHk64.dll") == 0)
-#else
-  if (strcasecmp(p, "ConEmuHk.dll") == 0)
-#endif
+  if (strcmp(n, "RequestTermConnector") == 0)
     fhandler_console::set_disable_master_thread (true);
-  return LoadLibraryA_Orig (m);
+  return GetProcAddress_Orig (h, n);
 }
 
 void
@@ -4074,7 +4065,7 @@ fhandler_console::fixup_after_fork_exec (bool execing)
 static void
 hook_conemu_cygwin_connector()
 {
-  DO_HOOK (NULL, LoadLibraryA);
+  DO_HOOK (NULL, GetProcAddress);
 }
 
 // #define WINSTA_ACCESS (WINSTA_READATTRIBUTES | STANDARD_RIGHTS_READ | STANDARD_RIGHTS_WRITE | WINSTA_CREATEDESKTOP | WINSTA_EXITWINDOWS)


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