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From 321d64b9f94653322e678e34ac214ddb73a71db8 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 24 Jan 2013 23:32:39 -0500
Subject: [PATCH iputils] ping6: allow disabling of openssl support
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
Makefile | 5 ++++-
iputils_md5dig.h | 4 +++-
ping6.c | 10 ++++++++++
3 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
index 54e5a6d..7147f08 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ ARPING_DEFAULT_DEVICE=
# Libgcrypt (for MD5) for ping6 [yes|no|static]
USE_GCRYPT=yes
-# Crypto library for ping6 [shared|static]
+# Crypto library for ping6 [shared|static|no]
USE_CRYPTO=shared
# Resolv library for ping6 [yes|static]
USE_RESOLV=yes
@@ -63,7 +63,10 @@ ifneq ($(USE_GCRYPT),no)
LIB_CRYPTO = $(call FUNC_LIB,$(USE_GCRYPT),$(LDFLAG_GCRYPT))
DEF_CRYPTO = -DUSE_GCRYPT
else
+ifneq ($(USE_CRYPTO),no)
LIB_CRYPTO = $(call FUNC_LIB,$(USE_CRYPTO),$(LDFLAG_CRYPTO))
+ DEF_CRYPTO = -DUSE_OPENSSL
+endif
endif
# USE_RESOLV: LIB_RESOLV
diff --git a/iputils_md5dig.h b/iputils_md5dig.h
index 4cec866..d6c4d46 100644
--- a/iputils_md5dig.h
+++ b/iputils_md5dig.h
@@ -5,8 +5,10 @@
# include <stdlib.h>
# include <gcrypt.h>
# define IPUTILS_MD5DIG_LEN 16
-#else
+# define USE_CRYPTO
+#elif defined(USE_OPENSSL)
# include <openssl/md5.h>
+# define USE_CRYPTO
#endif
#ifdef USE_GCRYPT
diff --git a/ping6.c b/ping6.c
index 7085f31..7b7c1af 100644
--- a/ping6.c
+++ b/ping6.c
@@ -324,6 +324,7 @@ static void niquery_init_nonce(void)
#if !PING6_NONCE_MEMORY
static int niquery_nonce(__u8 *nonce, int fill)
{
+# ifdef USE_CRYPTO
static __u8 digest[MD5_DIGEST_LENGTH];
static int seq = -1;
@@ -346,6 +347,10 @@ static int niquery_nonce(__u8 *nonce, int fill)
return -1;
return ntohsp((__u16 *)nonce);
}
+# else
+ fprintf(stderr, "ping6: function not available; crypto disabled\n");
+ exit(3);
+# endif
}
#endif
@@ -500,6 +505,7 @@ static int niquery_option_subject_addr_handler(int index, const char *arg)
static int niquery_option_subject_name_handler(int index, const char *arg)
{
+#ifdef USE_CRYPTO
static char nigroup_buf[INET6_ADDRSTRLEN + 1 + IFNAMSIZ];
unsigned char *dnptrs[2], **dpp, **lastdnptr;
int n;
@@ -625,6 +631,10 @@ errexit:
free(idn);
free(name);
exit(1);
+#else
+ fprintf(stderr, "ping6: function not available; crypto disabled\n");
+ exit(3);
+#endif
}
int niquery_option_help_handler(int index, const char *arg)
--
2.3.5
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