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-rw-r--r--mailinfo.c14
-rw-r--r--mailinfo.h1
-rwxr-xr-xt/t5100-mailinfo.sh30
-rw-r--r--t/t5100/quoted-cr-info5
-rw-r--r--t/t5100/quoted-cr-msg2
-rw-r--r--t/t5100/quoted-cr-patch22
-rw-r--r--t/t5100/quoted-cr.mbox47
7 files changed, 121 insertions, 0 deletions
diff --git a/mailinfo.c b/mailinfo.c
index 5681d9130d..c8caee4f55 100644
--- a/mailinfo.c
+++ b/mailinfo.c
@@ -994,6 +994,11 @@ static void handle_filter_flowed(struct mailinfo *mi, struct strbuf *line,
const char *rest;
if (!mi->format_flowed) {
+ if (len >= 2 &&
+ line->buf[len - 2] == '\r' &&
+ line->buf[len - 1] == '\n') {
+ mi->have_quoted_cr = 1;
+ }
handle_filter(mi, line);
return;
}
@@ -1033,6 +1038,12 @@ static void handle_filter_flowed(struct mailinfo *mi, struct strbuf *line,
handle_filter(mi, line);
}
+static void summarize_quoted_cr(struct mailinfo *mi)
+{
+ if (mi->have_quoted_cr)
+ warning(_("quoted CRLF detected"));
+}
+
static void handle_body(struct mailinfo *mi, struct strbuf *line)
{
struct strbuf prev = STRBUF_INIT;
@@ -1051,6 +1062,8 @@ static void handle_body(struct mailinfo *mi, struct strbuf *line)
handle_filter(mi, &prev);
strbuf_reset(&prev);
}
+ summarize_quoted_cr(mi);
+ mi->have_quoted_cr = 0;
if (!handle_boundary(mi, line))
goto handle_body_out;
}
@@ -1100,6 +1113,7 @@ static void handle_body(struct mailinfo *mi, struct strbuf *line)
if (prev.len)
handle_filter(mi, &prev);
+ summarize_quoted_cr(mi);
flush_inbody_header_accum(mi);
diff --git a/mailinfo.h b/mailinfo.h
index 79b1d6774e..b394ef9bce 100644
--- a/mailinfo.h
+++ b/mailinfo.h
@@ -24,6 +24,7 @@ struct mailinfo {
struct strbuf charset;
unsigned int format_flowed:1;
unsigned int delsp:1;
+ unsigned int have_quoted_cr:1;
char *message_id;
enum {
TE_DONTCARE, TE_QP, TE_BASE64
diff --git a/t/t5100-mailinfo.sh b/t/t5100-mailinfo.sh
index 147e616533..ac6fbfe596 100755
--- a/t/t5100-mailinfo.sh
+++ b/t/t5100-mailinfo.sh
@@ -228,4 +228,34 @@ test_expect_success 'mailinfo handles unusual header whitespace' '
test_cmp expect actual
'
+check_quoted_cr_mail () {
+ mail="$1" && shift &&
+ git mailinfo -u "$@" "$mail.msg" "$mail.patch" \
+ <"$mail" >"$mail.info" 2>"$mail.err" &&
+ test_cmp "$mail-expected.msg" "$mail.msg" &&
+ test_cmp "$mail-expected.patch" "$mail.patch" &&
+ test_cmp "$DATA/quoted-cr-info" "$mail.info"
+}
+
+test_expect_success 'split base64 email with quoted-cr' '
+ mkdir quoted-cr &&
+ git mailsplit -oquoted-cr "$DATA/quoted-cr.mbox" >quoted-cr/last &&
+ test $(cat quoted-cr/last) = 2
+'
+
+test_expect_success 'mailinfo warn CR in base64 encoded email' '
+ sed -e "s/%%$//" -e "s/%%/$(printf \\015)/g" "$DATA/quoted-cr-msg" \
+ >quoted-cr/0001-expected.msg &&
+ sed "s/%%/$(printf \\015)/g" "$DATA/quoted-cr-msg" \
+ >quoted-cr/0002-expected.msg &&
+ sed -e "s/%%$//" -e "s/%%/$(printf \\015)/g" "$DATA/quoted-cr-patch" \
+ >quoted-cr/0001-expected.patch &&
+ sed "s/%%/$(printf \\015)/g" "$DATA/quoted-cr-patch" \
+ >quoted-cr/0002-expected.patch &&
+ check_quoted_cr_mail quoted-cr/0001 &&
+ test_must_be_empty quoted-cr/0001.err &&
+ check_quoted_cr_mail quoted-cr/0002 &&
+ grep "quoted CRLF detected" quoted-cr/0002.err
+'
+
test_done
diff --git a/t/t5100/quoted-cr-info b/t/t5100/quoted-cr-info
new file mode 100644
index 0000000000..dab2228b70
--- /dev/null
+++ b/t/t5100/quoted-cr-info
@@ -0,0 +1,5 @@
+Author: A U Thor
+Email: mail@example.com
+Subject: sample
+Date: Mon, 3 Aug 2020 22:40:55 +0700
+
diff --git a/t/t5100/quoted-cr-msg b/t/t5100/quoted-cr-msg
new file mode 100644
index 0000000000..89b05a0784
--- /dev/null
+++ b/t/t5100/quoted-cr-msg
@@ -0,0 +1,2 @@
+On different distro, %%pytest is suffixed with different patterns.%%
+%%
diff --git a/t/t5100/quoted-cr-patch b/t/t5100/quoted-cr-patch
new file mode 100644
index 0000000000..65b13eeef7
--- /dev/null
+++ b/t/t5100/quoted-cr-patch
@@ -0,0 +1,22 @@
+---%%
+ configure | 2 +-%%
+ 1 file changed, 1 insertion(+), 1 deletion(-)%%
+%%
+diff --git a/configure b/configure%%
+index db3538b3..f7c1c095 100755%%
+--- a/configure%%
++++ b/configure%%
+@@ -814,7 +814,7 @@ if [ $have_python3 -eq 1 ]; then%%
+ printf "%%Checking for python3 pytest (>= 3.0)... "%%
+ conf=$(mktemp)%%
+ printf "[pytest]\nminversion=3.0\n" > $conf%%
+- if pytest-3 -c $conf --version >/dev/null 2>&1; then%%
++ if "$python" -m pytest -c $conf --version >/dev/null 2>&1; then%%
+ printf "Yes.\n"%%
+ have_python3_pytest=1%%
+ else%%
+-- %%
+2.28.0%%
+_______________________________________________
+example mailing list -- list@example.org
+To unsubscribe send an email to list-leave@example.org
diff --git a/t/t5100/quoted-cr.mbox b/t/t5100/quoted-cr.mbox
new file mode 100644
index 0000000000..909021bb7a
--- /dev/null
+++ b/t/t5100/quoted-cr.mbox
@@ -0,0 +1,47 @@
+From nobody Mon Sep 17 00:00:00 2001
+From: A U Thor <mail@example.com>
+To: list@example.org
+Subject: [PATCH v2] sample
+Date: Mon, 3 Aug 2020 22:40:55 +0700
+Message-Id: <msg-id@example.com>
+Content-Type: text/plain; charset="utf-8"
+Content-Transfer-Encoding: base64
+
+T24gZGlmZmVyZW50IGRpc3RybywgDXB5dGVzdCBpcyBzdWZmaXhlZCB3aXRoIGRpZmZlcmVudCBw
+YXR0ZXJucy4KCi0tLQogY29uZmlndXJlIHwgMiArLQogMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0
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+cnNpb24gPi9kZXYvbnVsbCAyPiYxOyB0aGVuCiAgICAgICAgIHByaW50ZiAiWWVzLlxuIgogICAg
+ICAgICBoYXZlX3B5dGhvbjNfcHl0ZXN0PTEKICAgICBlbHNlCi0tIAoyLjI4LjAKX19fX19fX19f
+X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZXhhbXBsZSBtYWlsaW5nIGxp
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+c3QtbGVhdmVAZXhhbXBsZS5vcmcK
+
+From nobody Mon Sep 17 00:00:00 2001
+From: A U Thor <mail@example.com>
+To: list@example.org
+Subject: [PATCH v2] sample
+Date: Mon, 3 Aug 2020 22:40:55 +0700
+Message-Id: <msg-id2@example.com>
+Content-Type: text/plain; charset="utf-8"
+Content-Transfer-Encoding: base64
+
+T24gZGlmZmVyZW50IGRpc3RybywgDXB5dGVzdCBpcyBzdWZmaXhlZCB3aXRoIGRpZmZlcmVudCBw
+YXR0ZXJucy4NCg0KLS0tDQogY29uZmlndXJlIHwgMiArLQ0KIDEgZmlsZSBjaGFuZ2VkLCAxIGlu
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+LWVxIDEgXTsgdGhlbg0KICAgICBwcmludGYgIg1DaGVja2luZyBmb3IgcHl0aG9uMyBweXRlc3Qg
+KD49IDMuMCkuLi4gIg0KICAgICBjb25mPSQobWt0ZW1wKQ0KICAgICBwcmludGYgIltweXRlc3Rd
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generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 17:55:42 +0000