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-rwxr-xr-xsbolint41
1 files changed, 24 insertions, 17 deletions
diff --git a/sbolint b/sbolint
index 9d71eb6..78cd28e 100755
--- a/sbolint
+++ b/sbolint
@@ -1466,23 +1466,7 @@ sub check_script {
} elsif(/^\s*?CWD=/) {
log_warning("$file:$lineno: lone CWD= assignment is redundant in 15.0 template");
} elsif(/^\s*?chown\s/) {
- # explanation in english: get rid of any comment portion of the command,
- # then if we (a) have no : character, and (b) have what looks like
- # user.group or $user.$group, complain.
- # if (a) is true but (b) isn't, that probably means the user:group is
- # given together in one variable, and we can't really check that.
- # that, or there's no user/group at all (e.g. chown's --reference
- # option).
- my $chown = $_;
- $chown =~ s/#.*//;
- if(($chown !~ /:/) &&
- ($chown =~ /
- (?:\b|\$) # word boundary or $ (in case it's a variable)
- \w[\w\d]+ # assume user or var starts with letter or _, and >=2 chars long
- \. # a literal dot
- [\w\$][\w\d]+ # user or var again
- /x))
- {
+ if(!chown_ok($_)) {
log_warning("$file:$lineno: chown should use : instead of . for user:group separator");
}
}
@@ -1735,6 +1719,29 @@ sub check_doinst {
}
+sub chown_ok {
+ my $cmd = shift;
+ $cmd =~ s/#.*//; # get rid of comment, if any
+ $cmd =~ s/^\s+//; # get rid of leading whitespace, if any
+
+ # assign 1st element to undef, to get rid of the chown command itself
+ my (undef, @args) = split /\s+/, $cmd;
+
+ # what remains should include user:group or user.group. if it doesn't,
+ # don't complain: possibly the --reference option is being used.
+ # dots are OK in file paths (e.g. chown root:root /etc/blah.d/blah).
+ # we can't easily tell which is which, but *something* should have a colon.
+ my $dot;
+ for my $arg (@args) {
+ return 1 if /:/; # found :, we're OK.
+ next if /\//; # if there's a /, it's a filename (dots are OK).
+ $dot++ if /\./; # found a dot, might be not OK.
+ }
+
+ # if we get here, there are no colons. if there *is* a dot, return failure.
+ return !$dot;
+}
+
sub findem {
my ($findcmd, $errmsg) = @_;
open my $fh, "-|", "$findcmd";