From: Dr. Stephen Henson <steve@openssl.org>
Date: Sat, 15 May 2010 00:36:12 +0000 (+0000)
Subject: PR: 2253
X-Git-Tag: OpenSSL_1_0_0a~18
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=dc4e1ddc9f445bf424afdd24a22e20b64f37938f

PR: 2253
Submitted By: Ger Hobbelt <ger@hobbelt.com>

Check callback return value when outputting errors.
---

diff --git a/crypto/err/err_prn.c b/crypto/err/err_prn.c
index de32f332c4..a0168ac8ed 100644
--- a/crypto/err/err_prn.c
+++ b/crypto/err/err_prn.c
@@ -81,7 +81,8 @@ void ERR_print_errors_cb(int (*cb)(const char *str, size_t len, void *u),
 		ERR_error_string_n(l, buf, sizeof buf);
 		BIO_snprintf(buf2, sizeof(buf2), "%lu:%s:%s:%d:%s\n", es, buf,
 			file, line, (flags & ERR_TXT_STRING) ? data : "");
-		cb(buf2, strlen(buf2), u);
+		if (cb(buf2, strlen(buf2), u) <= 0)
+			break; /* abort outputting the error report */
 		}
 	}