From 0cffffbb9453d8026b2dbdb6a342bdf641cfa687 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 12 Apr 2020 19:33:54 -0400
Subject: Allow missing DOW and obsolete zone in date

---
 parse.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'parse.c')

diff --git a/parse.c b/parse.c
index 33acd5b..6f1a56b 100644
--- a/parse.c
+++ b/parse.c
@@ -14,6 +14,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+#include <ctype.h>
 #include <err.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -66,7 +67,16 @@ void parseEnvelope(struct Envelope *envelope, struct List list) {
 	}
 
 	const char *date = dataCheck(list.ptr[Date], String).string;
-	date = strptime(date, "%a, %e %b %Y %H:%M:%S %z", &envelope->date);
+	if (isalpha(date[0])) {
+		date = strptime(date, "%a, %e %b %Y %H:%M:%S ", &envelope->date);
+	} else {
+		date = strptime(date, "%e %b %Y %H:%M:%S ", &envelope->date);
+	}
+	if (date && (date[0] == '+' || date[0] == '-')) {
+		date = strptime(date, "%z", &envelope->date);
+	} else if (date) {
+		date = strptime(date, "%Z", &envelope->date);
+	}
 	if (!date) errx(EX_PROTOCOL, "invalid envelope date format");
 
 	envelope->date.tm_isdst = -1;
-- 
cgit 1.4.1