From: Baptiste Daroussin <bapt@FreeBSD.org>
Date: Thu, 26 Mar 2026 21:32:59 +0000 (+0100)
Subject: prevent a crash in case of broken connection
X-Git-Tag: RELEASE_2_0_0~37
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=d17fb112f2df0b5223a702b04e0ea7eeae712de6;p=thirdparty%2Fmlmmj.git

prevent a crash in case of broken connection
---

diff --git a/src/checkwait_smtpreply.c b/src/checkwait_smtpreply.c
index a6fd692b..82b31878 100644
--- a/src/checkwait_smtpreply.c
+++ b/src/checkwait_smtpreply.c
@@ -40,7 +40,8 @@ char *checkwait_smtpreply(int sockfd, int replytype)
 		do {
 			free(smtpreply);
 			smtpreply = mygetline(sockfd);
-		} while (strncmp(smtpreply, "250-", 4) == 0);
+		} while (smtpreply != NULL &&
+		    strncmp(smtpreply, "250-", 4) == 0);
 	} else {
 		smtpreply = mygetline(sockfd);
 	}