From ccf1ae148b1531760bc86b0cd4be387e8dbbb7bd Mon Sep 17 00:00:00 2001
From: atatat <atatat@pkgsrc.org>
Date: Tue, 27 Jul 2004 04:36:06 +0000
Subject: Add a tiny binary patch to netscape7 (libsoftokn3.so, actually) that
 makes the NetBSD kernel stop whining about file descriptor 0 being closed
 when netstat gets run.  The script contains everything you don't want to
 know.

Bump this pkg to PKGREVISION 3.
---
 .../files/binpatch-x86-unknown-linux2.2.5-7.1.sh   | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100755 www/netscape7/files/binpatch-x86-unknown-linux2.2.5-7.1.sh

(limited to 'www/netscape7/files')

diff --git a/www/netscape7/files/binpatch-x86-unknown-linux2.2.5-7.1.sh b/www/netscape7/files/binpatch-x86-unknown-linux2.2.5-7.1.sh
new file mode 100755
index 00000000000..384eb6b74ff
--- /dev/null
+++ b/www/netscape7/files/binpatch-x86-unknown-linux2.2.5-7.1.sh
@@ -0,0 +1,63 @@
+#!/bin/sh
+
+# $NetBSD: binpatch-x86-unknown-linux2.2.5-7.1.sh,v 1.1 2004/07/27 04:36:06 atatat Exp $
+#
+# ------------------------------------------------------------------------
+# "THE BEER-WARE LICENSE" (Revision 42):
+# Andrew Brown <atatat@NetBSD.org> wrote this file.  As long as you
+# retain this notice you can do whatever you want with this stuff.
+# If we meet some day, and you think this stuff is worth it, you can
+# buy me a beer in return.
+# ------------------------------------------------------------------------
+
+PATH=$1/bin:$PATH
+export PATH
+
+# % objdump -h libsoftokn3.so
+# libsoftokn3.so:     file format elf32-i386
+#
+file=$2
+size=417992
+
+# % objdump -h libsoftokn3.so
+# Sections:
+# Idx Name          Size      VMA       LMA       File off  Algn
+# ...
+#  10 .text         0004d1e0  00003e10  00003e10  00003e10  2**4
+#                   CONTENTS, ALLOC, LOAD, READONLY, CODE
+#
+# % pmap -a 13475 | grep libsoftokn3.so
+# bbb3a000-bbb9afff     388k 00000000 r-xp+ (rwx) 1/0/0 00:04   77819 - /usr/pkg/lib/netscape/netscape7/libsoftokn3.so [0xc64927f0]
+# bbb9b000-bbb9efff      16k 00061000 rw-p- (rwx) 1/0/0 00:04   77819 - /usr/pkg/lib/netscape/netscape7/libsoftokn3.so [0xc64927f0]
+#
+# % objdump -d -j .text --adjust-vma=0xbbb3a000 libsoftokn3.so
+# ...
+# bbb62a3d:       6a 00                   push   $0x0
+# bbb62a3f:       e8 f8 ad fd ff          call   0xbbb3d83c
+# bbb62a44:       e8 23 af fd ff          call   0xbbb3d96c
+# ...
+#
+#  ins addr  -    lma     - adjust-vma +  file off
+# 0xbbb62a3d - 0x00003e10 - 0xbbb3a000 + 0x00003e10 = 0x00028a3d
+#
+offset=0x00028a3d
+
+# compare the push/call/call instruction bytes
+#
+compare=6a00e8f8adfdffe823affdff
+
+# the push instruction is two bytes long
+#
+skip=2
+
+# five nops will overwrite the call to 0xbbb3d83c
+#
+replace=9090909090
+
+binpatch \
+    file=$file \
+    size=$size \
+    offset=$offset \
+    compare=$compare \
+    skip=$skip \
+    replace=$replace
-- 
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