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#!/bin/bash
# Copyright 2013 Divya Kothari <divya.s.kothari@gmail.com>
# Copyright 2013 Robin Mittal <robinmittal.it@gmail.com>
#testing "name" "command" "result" "infile" "stdin"
umask 022
PERM="---""--x""-w-""-wx""r--""r-x""rw-""rwx"
num2perm()
{
for i in 0 1 2
do
num=${1:$i:1}
printf "%s" ${PERM:$(($num*3)):3}
done
echo
}
# Creating test files to test chmod command
mkdir dir
touch file
# We don't need to test all 512 permissions
for U in $(seq 0 7); do for G in 0 3 6; do for O in 0 7; do for T in dir file; do
chmod 777 $T 2>/dev/null
rm -rf $T
if [ "$T" == file ]; then
touch file
C=-
else
mkdir dir
C=d
fi
testing "$U$G$O $T" "chmod $U$G$O $T && ls -ld $T | cut -d' ' -f 1" \
"${C}$(num2perm $U$G$O)\n" "" ""
done; done; done; done
unset U G O T C
rm -rf dir file && mkdir dir && touch file 640
testing "750 dir 640 file" "chmod 750 dir 640 file &&
ls -ld 640 dir file | cut -d' ' -f 1 | cut -d. -f 1" \
"-rwxr-x---\ndrwxr-x---\n-rwxr-x---\n" "" ""
chtest()
{
chmod -fR 700 dir file 2>/dev/null
rm -rf dir file && mkdir dir && touch file
testing "$1 dir file" \
"chmod $1 dir file && ls -ld dir file | cut -d' ' -f 1 | cut -d. -f 1" \
"$2" "" ""
}
chtest 666 "drw-rw-rw-\n-rw-rw-rw-\n"
chtest 765 "drwxrw-r-x\n-rwxrw-r-x\n"
chtest u=r "dr--r-xr-x\n-r--r--r--\n"
chtest u=w "d-w-r-xr-x\n--w-r--r--\n"
chtest u=x "d--xr-xr-x\n---xr--r--\n"
chtest u+r "drwxr-xr-x\n-rw-r--r--\n"
chtest u+w "drwxr-xr-x\n-rw-r--r--\n"
chtest u+x "drwxr-xr-x\n-rwxr--r--\n"
chtest u-r "d-wxr-xr-x\n--w-r--r--\n"
chtest u-w "dr-xr-xr-x\n-r--r--r--\n"
chtest u-x "drw-r-xr-x\n-rw-r--r--\n"
chtest g=r "drwxr--r-x\n-rw-r--r--\n"
chtest g=w "drwx-w-r-x\n-rw--w-r--\n"
chtest g=x "drwx--xr-x\n-rw---xr--\n"
chtest g+r "drwxr-xr-x\n-rw-r--r--\n"
chtest g+w "drwxrwxr-x\n-rw-rw-r--\n"
chtest g+x "drwxr-xr-x\n-rw-r-xr--\n"
chtest g-r "drwx--xr-x\n-rw----r--\n"
chtest g-w "drwxr-xr-x\n-rw-r--r--\n"
chtest g-x "drwxr--r-x\n-rw-r--r--\n"
chtest o=r "drwxr-xr--\n-rw-r--r--\n"
chtest o=w "drwxr-x-w-\n-rw-r---w-\n"
chtest o=x "drwxr-x--x\n-rw-r----x\n"
chtest o+r "drwxr-xr-x\n-rw-r--r--\n"
chtest o+w "drwxr-xrwx\n-rw-r--rw-\n"
chtest o+x "drwxr-xr-x\n-rw-r--r-x\n"
chtest o-r "drwxr-x--x\n-rw-r-----\n"
chtest o-w "drwxr-xr-x\n-rw-r--r--\n"
chtest o-x "drwxr-xr--\n-rw-r--r--\n"
chtest a=r "dr--r--r--\n-r--r--r--\n"
chtest a=w "d-w--w--w-\n--w--w--w-\n"
chtest a=x "d--x--x--x\n---x--x--x\n"
chtest a+r "drwxr-xr-x\n-rw-r--r--\n"
chtest a+w "drwxrwxrwx\n-rw-rw-rw-\n"
chtest a+x "drwxr-xr-x\n-rwxr-xr-x\n"
chtest a-r "d-wx--x--x\n--w-------\n"
chtest a-w "dr-xr-xr-x\n-r--r--r--\n"
chtest a-x "drw-r--r--\n-rw-r--r--\n"
chtest =r "dr--r--r--\n-r--r--r--\n"
chtest =w "d-w-------\n--w-------\n"
chtest =x "d--x--x--x\n---x--x--x\n"
chtest +r "drwxr-xr-x\n-rw-r--r--\n"
chtest +w "drwxr-xr-x\n-rw-r--r--\n"
chtest +x "drwxr-xr-x\n-rwxr-xr-x\n"
chtest -r "d-wx--x--x\n--w-------\n"
chtest -w "dr-xr-xr-x\n-r--r--r--\n"
chtest -x "drw-r--r--\n-rw-r--r--\n"
chtest a-w,a+x "dr-xr-xr-x\n-r-xr-xr-x\n"
# macOS doesn't allow +s in /tmp
touch s-supported
chmod +s s-supported 2>/dev/null || SKIP=1
rm s-supported
chtest g+s "drwxr-sr-x\n-rw-r-Sr--\n"
chtest u+s "drwsr-xr-x\n-rwSr--r--\n"
chtest +s "drwsr-sr-x\n-rwSr-Sr--\n"
chtest o+s "drwxr-xr-x\n-rw-r--r--\n"
unset SKIP
chtest +t "drwxr-xr-t\n-rw-r--r-T\n"
chtest a=r+w+x "drwxrwxrwx\n-rwxrwxrwx\n"
mkdir foo
ln -s bar foo/baz
# If you explicitly ask us, we'll try (and fail) to chmod a symlink.
testing "-R symlink arg" 'chmod -R 750 foo/baz 2>/dev/null; echo $?' "1\n" "" ""
# If you only imply that you might want us to do that, we'll skip it.
testing "-R symlink recurse" 'chmod -R 750 foo; echo $?' "0\n" "" ""
# Removing test files for cleanup purpose
rm -rf dir file
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