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Date: Wed, 12 Oct 2011 02:32:17 +0200
From: Andreas Gruenbacher <andreas.gruenbacher@...il.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
quilt-dev <quilt-dev@...gnu.org>,
"H. Peter Anvin" <hpa@...or.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Peter Zijlstra <peterz@...radead.org>,
Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [PATCH v3] quilt mail: Add way to sign mail with GPG
Steve,
On Mon, 2011-10-10 at 12:08 -0400, Steven Rostedt wrote:
> diff --git a/Makefile.in b/Makefile.in
> index bdf015d..e509a55 100644
> --- a/Makefile.in
> +++ b/Makefile.in
> @@ -83,7 +83,7 @@ SRC += $(QUILT_SRC:%=quilt/%)
> DIRT += $(QUILT_IN:%=quilt/%)
>
> SCRIPTS_IN := patchfns parse-patch inspect dependency-graph edmail \
> - remove-trailing-ws
> + remove-trailing-ws gpgmail gpgvmail
>
> SCRIPTS_SRC := $(SCRIPTS_IN:%=%.in)
> SCRIPTS := $(SCRIPTS_IN)
> @@ -397,6 +397,8 @@ test/.depend : Makefile $(TESTS)
> -e 's:quilt/mail:quilt/mail quilt/scripts/edmail:' \
> -e 's:quilt/refresh:quilt/refresh quilt/scripts/remove-trailing-ws:' \
> -e 's:quilt/setup:quilt/setup quilt/scripts/inspect:' \
> + -e 's:quilt/setup:quilt/setup quilt/scripts/gpgmail:' \
> + -e 's:quilt/setup:quilt/setup quilt/scripts/gpgvmail:' \
> > $@
this must be wrong.
> ifneq ($(shell . $(QUILTRC) ; echo $$QUILT_PATCHES_PREFIX),)
> diff --git a/quilt/mail.in b/quilt/mail.in
> index 5752542..ba35114 100644
> --- a/quilt/mail.in
> +++ b/quilt/mail.in
> @@ -21,7 +21,7 @@ fi
>
> usage()
> {
> - printf $"Usage: quilt mail {--mbox file|--send} [-m text] [--prefix prefix] [--sender ...] [--from ...] [--to ...] [--cc ...] [--bcc ...] [--subject ...] [--reply-to message] [first_patch [last_patch]]\n"
> + printf $"Usage: quilt mail {--mbox file|--send} [-m text] [--prefix prefix] [--sender ...] [--from ...] [--to ...] [--cc ...] [--bcc ...] [--subject ...] [--reply-to message][--gpg [-u ID]] [first_patch [last_patch]]\n"
> if [ x$1 = x-h ]
> then
> printf $"
> @@ -65,6 +65,12 @@ first, and a last patch name of \`-' denotes the last patch in the series.
>
> --reply-to message
> Add the appropriate headers to reply to the specified message.
> +
> +--gpg
> + Sign email with GPG signatures.
> +
> +-u ID
> + Use ID as the GPG key id.
Can you please add --local-user as the long form.
> " "@DOCSUBDIR@...ADME.MAIL"
> exit 0
> else
> @@ -121,6 +127,20 @@ references_header() {
> [ -n "$references" ] && echo "References: $references"
> }
>
> +sign_mail()
> +{
> + if [ -z "$opt_gpg" ]; then
> + cat
> + else
> + local tmpfile=$(gen_tempfile)
> +
> + $QUILT_DIR/scripts/gpgmail.pl --agent $opt_gpgid > $tmpfile || exit 1
> + $QUILT_DIR/scripts/gpgvmail.pl $opt_gpgid $tmpfile || exit 1
> + cat $tmpfile;
> + rm -r $tmpfile;
> + fi
> +}
> +
> process_mail()
> {
> local tmpfile=$(gen_tempfile)
> @@ -138,12 +158,12 @@ process_mail()
> ${QUILT_SENDMAIL_ARGS--f "$opt_sender"} "$@"
> $QUILT_DIR/scripts/edmail --charset $opt_charset \
> --remove-header Bcc "$@" < $tmpfile \
> - | ${QUILT_SENDMAIL:-sendmail} \
> + | sign_mail | ${QUILT_SENDMAIL:-sendmail} \
> ${QUILT_SENDMAIL_ARGS--f "$opt_sender"} "$@"
> else
> local from_date=$(date "+%a %b %e %H:%M:%S %Y")
> echo "From $opt_sender_address $from_date"
> - sed -e 's/^From />From /' $tmpfile
> + sed -e 's/^From />From /' $tmpfile | sign_mail
> echo
> fi
> rm -f $tmpfile
> @@ -159,8 +179,8 @@ join_lines() {
> '
> }
>
> -options=`getopt -o m:h --long from:,to:,cc:,bcc:,subject: \
> - --long send,mbox:,charset:,sender: \
> +options=`getopt -o m:u:h --long from:,to:,cc:,bcc:,subject: \
> + --long send,gpg,mbox:,charset:,sender: \
> --long prefix:,reply-to:,signature: -- "$@"`
>
> if [ $? -ne 0 ]
> @@ -215,6 +235,12 @@ do
> --reply-to)
> opt_reply_to=$2
> shift 2 ;;
> + --gpg)
> + opt_gpg=1
> + shift ;;
> + -u)
> + opt_gpgid="-u $2"
> + shift 2;;
> --signature)
> if [ "$2" = - ]
> then
> diff --git a/quilt/scripts/gpgmail.in b/quilt/scripts/gpgmail.in
> new file mode 100644
> index 0000000..57151af
> --- /dev/null
> +++ b/quilt/scripts/gpgmail.in
> @@ -0,0 +1,144 @@
> +#! @PERL@ -w
> +
> +use strict;
> +
> +use MIME::QuotedPrint;
> +use Getopt::Long;
> +
> +my $agent = 0;
> +my $pass = "";
> +my $gpgid = "";
> +
> +my $result = GetOptions(
> + "passwd=s" => \$pass,
> + "u=s" => \$gpgid,
> + "agent" => \$agent,
> + );
> +
> +if (length($gpgid) > 0) {
> + $gpgid = "-u $gpgid";
> +}
> +
> +if ($agent) {
> + $pass = " --use-agent ";
> +} elsif (length($pass)) {
> + $pass = " --passphrase $pass ";
> +}
> +
> +if ($#ARGV >= 0) {
> + open(IN, $ARGV[0]) or die "can't read $ARGV[0]";
> +} else {
> + *IN = *STDIN;
> +}
> +
> +my $debug = 0;
> +my $debugfile = "/tmp/debug-gpgmail.pl";
> +if ($debug) {
> + open (OUT, ">", $debugfile) or die "Can't open debug file $debugfile";
> +} else {
> + *OUT = *STDOUT;
> +}
What's this $debugfile stuff? Can't this be removed?
> +my $content;
> +my $quot;
> +my $quoted = 0;
> +
> +while (<IN>) {
> + if (/^Content-Type/) {
> + s/$/\r/;
> + $content = $_;
> +
> + } elsif (/^Content-Transfer-Encoding/) {
> + s/$/\r/;
> + $quot = $_;
> + $quoted = 1;
> +
> + } elsif (/^$/) {
> + last;
> + } else {
> + print OUT;
> + }
> +}
> +
> +my $scissor = sprintf "%s", crypt( sprintf("%d", rand * 1000), sprintf("%d", rand * 100));
> +
> +print OUT "Content-Type: multipart/signed; micalg=\"pgp-sha1\"; protocol=\"application/pgp-signature\"; boundary=\"$scissor\"";
> +
> +print OUT "\n\n";
> +
> +my $convert = 0;
> +
> +if (!defined($content)) {
> + $content = "Content-Type: text/plain; charset=\"UTF-8\"\r\n";
> + $quot = "Content-Transfer-Encoding: quoted-printable\r\n";
> + $convert = 1;
> + $quoted = 1;
> +}
> +
> +print OUT "--$scissor\n";
> +
> +my @lines;
> +
> +$lines[$#lines + 1] = $content;
> +if ($quoted) {
> + $lines[$#lines + 1] = $quot;
> +}
> +$lines[$#lines + 1] = "\r\n";
> +
> +my @rest;
> +
> +my @rest = <IN>;
> +
> +
> +if ($convert) {
> + foreach my $line (@rest) {
> + $line = encode_qp($line,"\r\n");
> + $line =~ s/^From />From /;
> + }
> +}
> +
> +@...es = (@lines, @rest);
> +
> +close IN;
> +
> +my $tmpfile = "/tmp/gpgmail.$$";
> +
> +open(TMP, ">", $tmpfile) or die "Can't create a temporary file";
That's not an appropriate way to create a temp file ... do we need a
temp file in the first place though?
> +print TMP @lines;
> +
> +close TMP;
> +
> +# put the lines back to unix
> +foreach my $line (@lines) {
> + $line =~ s/\r//g;
> +}
What's going on with "\r\n" line endings all over the script? Can't the
"\n" line endings be converted to "\r\n" in a single place instead?
foreach my $line (@lines) {
$_ = $line; s/\n$/\r\n/; print;
}
Thanks,
Andreas
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