From b622d4d11d27fd290f7732c6a65f40c054796c1f Mon Sep 17 00:00:00 2001 From: Thomas Rast Date: Mon, 30 Jul 2012 21:25:40 +0200 Subject: [PATCH] send-email: improve RFC2047 quote parsing The RFC2047 unquoting, used to parse email addresses in From and Cc headers, is broken in several ways: * It erroneously substitutes ' ' for '_' in *the whole* header, even outside the quoted field. [Noticed by Christoph.] * It is too liberal in its matching, and happily matches the start of one quoted chunk against the end of another, or even just something that looks like such an end. [Noticed by Junio.] * It fundamentally cannot cope with encodings that are not a superset of ASCII, nor several (incompatible) encodings in the same header. This patch fixes the first two by doing a more careful decoding of the outer quoting (e.g. "=AB" to represent an octet whose value is 0xAB). Fixing the fundamental issues is left for a future, more intrusive, patch. Noticed-by: Christoph Miebach Helped-by: Junio C Hamano Signed-off-by: Thomas Rast Signed-off-by: Junio C Hamano --- git-send-email.perl | 10 ++++++---- t/t9001-send-email.sh | 13 +++++++++++++ 2 files changed, 19 insertions(+), 4 deletions(-) diff --git a/git-send-email.perl b/git-send-email.perl index ef30c557c7..664713709c 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -862,11 +862,13 @@ $time = time - scalar $#files; sub unquote_rfc2047 { local ($_) = @_; my $encoding; - if (s/=\?([^?]+)\?q\?(.*)\?=/$2/g) { + s{=\?([^?]+)\?q\?(.*?)\?=}{ $encoding = $1; - s/_/ /g; - s/=([0-9A-F]{2})/chr(hex($1))/eg; - } + my $e = $2; + $e =~ s/_/ /g; + $e =~ s/=([0-9A-F]{2})/chr(hex($1))/eg; + $e; + }eg; return wantarray ? ($_, $encoding) : $_; } diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh index 8c12c65c72..035122808b 100755 --- a/t/t9001-send-email.sh +++ b/t/t9001-send-email.sh @@ -841,6 +841,19 @@ test_expect_success $PREREQ '--compose adds MIME for utf8 subject' ' grep "^Subject: =?UTF-8?q?utf8-s=C3=BCbj=C3=ABct?=" msgtxt1 ' +test_expect_success $PREREQ 'utf8 author is correctly passed on' ' + clean_fake_sendmail && + test_commit weird_author && + test_when_finished "git reset --hard HEAD^" && + git commit --amend --author "Füñný Nâmé " && + git format-patch --stdout -1 >funny_name.patch && + git send-email --from="Example " \ + --to=nobody@example.com \ + --smtp-server="$(pwd)/fake.sendmail" \ + funny_name.patch && + grep "^From: Füñný Nâmé " msgtxt1 +' + test_expect_success $PREREQ 'detects ambiguous reference/file conflict' ' echo master > master && git add master &&