Dmitry V. Levin
5426c19c5b
According to /usr/lib/ldscripts/elf_*, - every ELF executable linked by GNU ld using one of default linker scripts contains .interp section; - every ELF shared library linked by GNU ld using one of default linker scripts does not contain .interp section.
50 lines
1.7 KiB
Bash
Executable File
50 lines
1.7 KiB
Bash
Executable File
#!/bin/sh -e
|
|
#
|
|
# fixup-shared - fix permissions of libraries.
|
|
#
|
|
# Copyright (C) 2003-2005,2008 Dmitry V. Levin <ldv@altlinux.org>
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#
|
|
|
|
for file in "$@"; do
|
|
type=`file -b "$file"` || continue
|
|
case "$type" in
|
|
current\ ar\ archive|*\ current\ ar\ archive)
|
|
chmod -v u+w,a-x,ug-s "$file"
|
|
;;
|
|
ELF\ *\ shared\ object,\ *|*\ ELF\ *\ shared\ object,\ *)
|
|
file_header="$(readelf -h "$file")" || continue
|
|
entry=`printf %s "$file_header" |sed -ne 's/^ \+Entry point address: \+0x0*\([0-9a-f]\+\)$/\1/p'`
|
|
[ -n "$entry" ] || continue
|
|
|
|
section_header="$(readelf -S "$file")" || continue
|
|
|
|
# See: comm -12 <(fgrep -l .interp /usr/lib/ldscripts/*) <(fgrep -le --shared /usr/lib/ldscripts/*)
|
|
if printf %s "$section_header" |fgrep -qs ' .interp '; then
|
|
continue
|
|
fi
|
|
|
|
text=`printf %s "$section_header" |sed -ne 's/^ *\[ *[0-9]\+\] \.text \+PROGBITS \+0*\([0-9a-f]\+\) \+.*/\1/p'`
|
|
[ -n "$text" ] || continue
|
|
[ "$entry" = "$text" ] || continue
|
|
|
|
[ -n "${file##*/lib64/ld-*.so}" ] || continue
|
|
|
|
chmod -c u+w,a-x,ug-s "$file"
|
|
;;
|
|
esac
|
|
done
|