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From 16a657b2626a66d15fc4c35041cd30f94ed4d17d Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Tue, 21 Nov 2017 11:42:54 -0500
Subject: [PATCH 1/1] Produce more useful "Invalid peer certificate" error
messages
---
smtp.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/smtp.c b/smtp.c
index 796578d..00cf066 100644
--- a/smtp.c
+++ b/smtp.c
@@ -18,6 +18,7 @@
#include <pwd.h>
#include <unistd.h>
+#include <openssl/ssl.h>
#include <auth-client.h>
#include <libesmtp.h>
@@ -210,7 +211,9 @@ static void event_cb (smtp_session_t session, int event_no, void *arg, ...)
long result = va_arg (ap, long);
int *ok = va_arg (ap, int *);
- fprintf(stderr, "Invalid peer certificate (error %ld)\n", result);
+ fprintf(stderr, "Invalid peer certificate (error %ld: %s)\n",
+ result,
+ X509_verify_cert_error_string(result));
*ok = 0;
break;
--
2.15.0
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