From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Sat, 12 Nov 2011 18:08:13 +0000 (-0500)
Subject: Don't print garbage at the end of the custom lecture.
X-Git-Tag: SUDO_1_8_4~159^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f190bcf94b066d64c0d21b55bc72f149be90522c;p=sudo

Don't print garbage at the end of the custom lecture.
---

diff --git a/plugins/sudoers/check.c b/plugins/sudoers/check.c
index bda53a84f..7d74bab63 100644
--- a/plugins/sudoers/check.c
+++ b/plugins/sudoers/check.c
@@ -212,7 +212,7 @@ lecture(int status)
 
     if (def_lecture_file && (fp = fopen(def_lecture_file, "r")) != NULL) {
 	while ((nread = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) != 0) {
-	    buf[sizeof(buf) - 1] = '\0';
+	    buf[nread] = '\0';
 	    msg.msg_type = SUDO_CONV_ERROR_MSG;
 	    msg.msg = buf;
 	    sudo_conv(1, &msg, &repl);