Re: [PATCH v2 4/6] send-email: make --suppress-cc=self sanitize input

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"Michael S. Tsirkin" <mst@xxxxxxxxxx> writes:

> Yes, I think so too. So - what do you suggest?
> 	Add a test?
> 	Add a comment?
> more?

Nothing major comes to my mind at this moment.

I guess it would be good to add a test or two to use "A U. Thor"
example with and without end-user added quotes, but that can be done
as a follow-up patch on top of this series (i.e. [PATCH 7/6]).

Thanks.

>> >  git-send-email.perl | 18 +++++++++++-------
>> >  1 file changed, 11 insertions(+), 7 deletions(-)
>> >
>> > diff --git a/git-send-email.perl b/git-send-email.perl
>> > index a138615..92df393 100755
>> > --- a/git-send-email.perl
>> > +++ b/git-send-email.perl
>> > @@ -760,6 +760,8 @@ if (!defined $sender) {
>> >  	$sender = $repoauthor || $repocommitter || '';
>> >  }
>> >  
>> > +$sender = sanitize_address($sender);
>> > +
>> >  my $prompting = 0;
>> >  if (!@initial_to && !defined $to_cmd) {
>> >  	my $to = ask("Who should the emails be sent to (if any)? ",
>> > @@ -1113,10 +1115,9 @@ sub send_message {
>> >  	if ($cc ne '') {
>> >  		$ccline = "\nCc: $cc";
>> >  	}
>> > -	my $sanitized_sender = sanitize_address($sender);
>> >  	make_message_id() unless defined($message_id);
>> >  
>> > -	my $header = "From: $sanitized_sender
>> > +	my $header = "From: $sender
>> >  To: $to${ccline}
>> >  Subject: $subject
>> >  Date: $date
>> > @@ -1133,7 +1134,7 @@ X-Mailer: git-send-email $gitversion
>> >  	}
>> >  
>> >  	my @sendmail_parameters = ('-i', @recipients);
>> > -	my $raw_from = $sanitized_sender;
>> > +	my $raw_from = $sender;
>> >  	if (defined $envelope_sender && $envelope_sender ne "auto") {
>> >  		$raw_from = $envelope_sender;
>> >  	}
>> > @@ -1308,8 +1309,9 @@ foreach my $t (@files) {
>> >  			}
>> >  			elsif (/^From:\s+(.*)$/i) {
>> >  				($author, $author_encoding) = unquote_rfc2047($1);
>> > +				my $sauthor = sanitize_address($author);
>> >  				next if $suppress_cc{'author'};
>> > -				next if $suppress_cc{'self'} and $author eq $sender;
>> > +				next if $suppress_cc{'self'} and $sauthor eq $sender;
>> >  				printf("(mbox) Adding cc: %s from line '%s'\n",
>> >  					$1, $_) unless $quiet;
>> >  				push @cc, $1;
>> > @@ -1323,7 +1325,9 @@ foreach my $t (@files) {
>> >  			}
>> >  			elsif (/^Cc:\s+(.*)$/i) {
>> >  				foreach my $addr (parse_address_line($1)) {
>> > -					if (unquote_rfc2047($addr) eq $sender) {
>> > +					my $qaddr = unquote_rfc2047($addr);
>> > +					my $saddr = sanitize_address($qaddr);
>> > +					if ($saddr eq $sender) {
>> >  						next if ($suppress_cc{'self'});
>> >  					} else {
>> >  						next if ($suppress_cc{'cc'});
>> > @@ -1370,7 +1374,8 @@ foreach my $t (@files) {
>> >  			chomp;
>> >  			my ($what, $c) = ($1, $2);
>> >  			chomp $c;
>> > -			if ($c eq $sender) {
>> > +			my $sc = sanitize_address($c);
>> > +			if ($sc eq $sender) {
>> >  				next if ($suppress_cc{'self'});
>> >  			} else {
>> >  				next if $suppress_cc{'sob'} and $what =~ /Signed-off-by/i;
>> > @@ -1454,7 +1459,6 @@ foreach my $t (@files) {
>> >  sub recipients_cmd {
>> >  	my ($prefix, $what, $cmd, $file) = @_;
>> >  
>> > -	my $sanitized_sender = sanitize_address($sender);
>> >  	my @addresses = ();
>> >  	open my $fh, "-|", "$cmd \Q$file\E"
>> >  	    or die "($prefix) Could not execute '$cmd'";
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