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-rw-r--r--network/opensmtpd/fix-crash-on-authentication.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/network/opensmtpd/fix-crash-on-authentication.patch b/network/opensmtpd/fix-crash-on-authentication.patch
new file mode 100644
index 0000000000..c20b5e0a0e
--- /dev/null
+++ b/network/opensmtpd/fix-crash-on-authentication.patch
@@ -0,0 +1,43 @@
+From 9b5f70b93e038df5446bd37a4adac5a0380748e7 Mon Sep 17 00:00:00 2001
+From: johannes <johannes.brechtmann@gmail.com>
+Date: Wed, 21 Feb 2018 23:57:11 +0100
+Subject: [PATCH] crypt_checkpass: include HAVE_CRYPT_H definition, add NULL
+ check
+
+---
+ openbsd-compat/crypt_checkpass.c | 9 ++++++++-
+ 1 file changed, 8 insertions(+), 1 deletion(-)
+
+diff --git a/openbsd-compat/crypt_checkpass.c b/openbsd-compat/crypt_checkpass.c
+index dafd2dae..d10b3a57 100644
+--- a/openbsd-compat/crypt_checkpass.c
++++ b/openbsd-compat/crypt_checkpass.c
+@@ -1,5 +1,6 @@
+ /* OPENBSD ORIGINAL: lib/libc/crypt/cryptutil.c */
+
++#include "includes.h"
+ #include <errno.h>
+ #ifdef HAVE_CRYPT_H
+ #include <crypt.h>
+@@ -10,6 +11,8 @@
+ int
+ crypt_checkpass(const char *pass, const char *goodhash)
+ {
++ char *c;
++
+ if (goodhash == NULL)
+ goto fail;
+
+@@ -17,7 +20,11 @@ crypt_checkpass(const char *pass, const char *goodhash)
+ if (strlen(goodhash) == 0 && strlen(pass) == 0)
+ return 0;
+
+- if (strcmp(crypt(pass, goodhash), goodhash) == 0)
++ c = crypt(pass, goodhash);
++ if (c == NULL)
++ goto fail;
++
++ if (strcmp(c, goodhash) == 0)
+ return 0;
+
+ fail: