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
=AB outer quoting. Fixing the fundamental issues is left for a
future, more intrusive, patch.
Noticed-by: Christoph Miebach <christoph.miebach@xxxxxx>
Helped-by: Junio C Hamano <gitster@xxxxxxxxx>
Signed-off-by: Thomas Rast <trast@xxxxxxxxxxxxxxx>
---
This is the easy part, fixed as per Junio's comment that it needs to
use a .*? match for the contents, and with a test.
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 ef30c55..6647137 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -862,11 +862,13 @@ sub make_message_id {
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 8c12c65..0351228 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 $PREREQ 'utf8 author is correctly passed on' '
+ clean_fake_sendmail &&
+ test_commit weird_author &&
+ test_when_finished "git reset --hard HEAD^" &&
+ git commit --amend --author "Füñný Nâmé <odd_?=mail@xxxxxxxxxxx>" &&
+ git format-patch --stdout -1 >funny_name.patch &&
+ git send-email --from="Example <nobody@xxxxxxxxxxx>" \
+ --to=nobody@xxxxxxxxxxx \
+ --smtp-server="$(pwd)/fake.sendmail" \
+ funny_name.patch &&
+ grep "^From: Füñný Nâmé <odd_?=mail@xxxxxxxxxxx>" msgtxt1
+'
+
test_expect_success $PREREQ 'detects ambiguous reference/file conflict' '
echo master > master &&
git add master &&
--
1.7.12.rc0.434.gd809d0f
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