diff options
Diffstat (limited to 'gnu/usr.bin/gzip/gzexe')
-rw-r--r-- | gnu/usr.bin/gzip/gzexe | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/gnu/usr.bin/gzip/gzexe b/gnu/usr.bin/gzip/gzexe deleted file mode 100644 index 8cce647..0000000 --- a/gnu/usr.bin/gzip/gzexe +++ /dev/null @@ -1,158 +0,0 @@ -#!/bin/sh -# gzexe: compressor for Unix executables. -# Use this only for binaries that you do not use frequently. -# -# The compressed version is a shell script which decompresses itself after -# skipping $skip lines of shell commands. We try invoking the compressed -# executable with the original name (for programs looking at their name). -# We also try to retain the original file permissions on the compressed file. -# For safety reasons, gzexe will not create setuid or setgid shell scripts. - -# WARNING: the first line of this file must be either : or #!/bin/sh -# The : is required for some old versions of csh. -# On Ultrix, /bin/sh is too buggy, change the first line to: #!/bin/sh5 -# -# $FreeBSD$ - -x=`basename $0` -if test $# = 0; then - echo compress executables. original file foo is renamed to foo~ - echo usage: ${x} [-d] files... - echo " -d decompress the executables" - exit 1 -fi - -tmp=`/usr/bin/mktemp -t gz` || exit 1 -trap "rm -f $tmp; exit 1" 1 2 3 5 10 13 15 - -decomp=0 -res=0 -test "$x" = "ungzexe" && decomp=1 -if test "x$1" = "x-d"; then - decomp=1 - shift -fi - -zfoo1=`/usr/bin/mktemp -t zfoo1` || exit 1 -zfoo2=`/usr/bin/mktemp -t zfoo2` || exit 1 -echo hi > $zfoo1 -echo hi > $zfoo2 -if test -z "`(${CPMOD-cpmod} $zfoo1 $zfoo2) 2>&1`"; then - cpmod=${CPMOD-cpmod} -fi -rm -f $zfoo1 $zfoo2 - -tail="" -IFS="${IFS= }"; saveifs="$IFS"; IFS="${IFS}:" -for dir in $PATH; do - test -z "$dir" && dir=. - if test -f $dir/tail; then - tail="$dir/tail" - break - fi -done -IFS="$saveifs" -if test -z "$tail"; then - echo cannot find tail - exit 1 -fi - -for i do - if test ! -f "$i" ; then - echo ${x}: $i not a file - res=1 - continue - fi - if test $decomp -eq 0; then - if sed -e 1d -e 2q "$i" | grep "^skip=[0-9]*$" >/dev/null; then - echo "${x}: $i is already gzexe'd" - continue - fi - fi - if ls -l "$i" | grep '^...[sS]' > /dev/null; then - echo "${x}: $i has setuid permission, unchanged" - continue - fi - if ls -l "$i" | grep '^......[sS]' > /dev/null; then - echo "${x}: $i has setgid permission, unchanged" - continue - fi - case "`basename $i`" in - sh | gzip | tail | chmod | ln | sleep | rm | mktemp) - echo "${x}: $i would depend on itself"; continue ;; - esac - if test -z "$cpmod"; then - cp -p "$i" $tmp 2>/dev/null || cp "$i" $tmp - if test -w $tmp 2>/dev/null; then - writable=1 - else - writable=0 - chmod u+w $tmp 2>/dev/null - fi - fi - if test $decomp -eq 0; then - sed 1q $0 > $tmp - sed "s|^if tail|if $tail|" >> $tmp <<'EOF' -skip=22 -gztmp=`/usr/bin/mktemp -t gztmp` || exit 1 -if tail +$skip $0 | gzip -cd > $gztmp; then - chmod 700 $gztmp - prog="`echo $0 | sed 's|^.*/||'`" - progtmp=`/usr/bin/mktemp -t ${prog}` || exit 1 - if /bin/ln $gztmp $progtmp 2>/dev/null; then - trap '/bin/rm -f $gztmp $progtmp; exit $res' 0 - (/bin/sleep 5; /bin/rm -f $gztmp $progtmp) 2>/dev/null & - /tmp/"$prog" ${1+"$@"}; res=$? - else - trap '/bin/rm -f $progtmp $gztmp exit $res' 0 - (/bin/sleep 5; /bin/rm -f $progtmp $gztmp) 2>/dev/null & - $gztmp ${1+"$@"}; res=$? - fi -else - echo Cannot decompress $0 - rm -f $gztmp - exit 1 -fi; exit $res -EOF - gzip -cv9 "$i" >> $tmp || { - /bin/rm -f $tmp - echo ${x}: compression not possible for $i, file unchanged. - res=1 - continue - } - - else - # decompression - skip=18 - if sed -e 1d -e 2q "$i" | grep "^skip=[0-9]*$" >/dev/null; then - eval `sed -e 1d -e 2q "$i"` - fi - if tail +$skip "$i" | gzip -cd > $tmp; then - : - else - echo ${x}: $i probably not in gzexe format, file unchanged. - res=1 - continue - fi - fi - rm -f "$i~" - mv "$i" "$i~" || { - echo ${x}: cannot backup $i as $i~ - rm -f $tmp - res=1 - continue - } - mv $tmp "$i" || cp -p $tmp "$i" 2>/dev/null || cp $tmp "$i" || { - echo ${x}: cannot create $i - rm -f $tmp - res=1 - continue - } - rm -f $tmp - if test -n "$cpmod"; then - $cpmod "$i~" "$i" 2>/dev/null - elif test $writable -eq 0; then - chmod u-w $i 2>/dev/null - fi -done -exit $res |