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-rwxr-xr-xtests/rm/fail-eperm101
1 files changed, 101 insertions, 0 deletions
diff --git a/tests/rm/fail-eperm b/tests/rm/fail-eperm
new file mode 100755
index 000000000..fc473e4d0
--- /dev/null
+++ b/tests/rm/fail-eperm
@@ -0,0 +1,101 @@
+#!/bin/sh
+# Ensure that rm gives the expected diagnostic when failing to remove a file
+# owned by some other user in a directory with theh stick bit set.
+
+: ${PERL=perl}
+: ${srcdir=.}
+
+case "$PERL" in
+ *'missing perl')
+ echo 1>&2 "$0: configure didn't find a usable version of Perl, so can't run this test"
+ exit 77
+ ;;
+esac
+
+ARGV_0=$0 exec $PERL -w -- - << \EOP
+require 5.003;
+use strict;
+
+(my $ME = $ENV{ARGV_0}) =~ s|.*/||;
+
+$ENV{VERBOSE} && $ENV{VERBOSE} eq 'yes'
+ and system qw (rm --version);
+
+# Ensure that the diagnostics are in English.
+$ENV{LC_ALL} = 'C';
+
+# Ensure that the effective UID is not 0.
+if ($> == 0)
+ {
+ warn "$ME: you may not run this test as root; skipping it.\n";
+ exit 77;
+ }
+
+my @dir_list = qw(/tmp /var/tmp /usr/tmp);
+
+# Find a directory with the sticky bit set.
+my $found_dir;
+my $found_file;
+foreach my $dir (@dir_list)
+ {
+ if (-d $dir && -k _ && -r _ && -w _ && -x _)
+ {
+ $found_dir = 1;
+
+ # Find a non-directory there that's owned by someone else.
+ opendir DIR_HANDLE, $dir
+ or die "$ME: couldn't open $dir: $!\n";
+
+ foreach my $f (readdir DIR_HANDLE)
+ {
+ # Skip files owned by self, and symlinks.
+ # It's not technically necessary to skip symlinks, but it's simpler.
+ -l $f || -o _
+ and next;
+
+ $found_file = 1;
+
+ # Invoke rm on this file and ensure that we get the
+ # expected exit code and diagnostic.
+ my $target_file = "$dir/$f";
+ my $cmd = "rm -f $target_file";
+ open RM, "$cmd 2>&1 |"
+ or die "$ME: cannot execute `$cmd'\n";
+
+ my $line = <RM>;
+
+ close RM;
+ my $status = $? >> 8;
+ $status == 1
+ or die "$ME: unexpected exit status from `$cmd';\n"
+ . " got $status, expected 1\n";
+
+ my $exp = "rm: cannot remove `$dir/$f': Operation not permitted\n";
+ $line eq $exp
+ or die "$ME: unexpected dignostic from `$cmd';\n"
+ . " got $line expected $exp";
+
+ last;
+ }
+
+ closedir DIR_HANDLE;
+ $found_file
+ and last;
+ }
+ }
+
+if ( ! $found_dir)
+ {
+ warn "$ME: couldn't find a directory with the sticky bit set;"
+ . " skipping this test\n";
+ exit 77;
+ }
+
+if ( ! $found_file)
+ {
+ warn "$ME: couldn't find a file not owned by you\n"
+ . " in any of the following directories:\n @dir_list\n"
+ . "...so, skipping this test\n";
+ exit 77;
+ }
+EOP