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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:
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