From ad52658be722f2024dd645a1a7228209e8bf7c23 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 29 Mar 2014 16:59:26 +0000
Subject: dropbear: update to 2014.63

Upstream changelog:
https://matt.ucc.asn.au/dropbear/CHANGES

This adds elliptic curve cryptography (ECC) support as an option, disabled
by default.

dropbear mips 34kc uClibc binary size:
before: 161,672 bytes
after, without ECC (default): 164,968
after, with ECC: 198,008

Signed-off-by: Catalin Patulea <cat@vv.carleton.ca>

SVN-Revision: 40297
---
 package/network/services/dropbear/Makefile | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

(limited to 'package/network/services/dropbear/Makefile')

diff --git a/package/network/services/dropbear/Makefile b/package/network/services/dropbear/Makefile
index 02be76110f..692199e8aa 100644
--- a/package/network/services/dropbear/Makefile
+++ b/package/network/services/dropbear/Makefile
@@ -8,26 +8,32 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dropbear
-PKG_VERSION:=2013.59
+PKG_VERSION:=2014.63
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:= \
 	http://matt.ucc.asn.au/dropbear/releases/ \
 	https://dropbear.nl/mirror/releases/
-PKG_MD5SUM:=6c1e6c2c297f4034488ffc95e8b7e6e9
+PKG_MD5SUM:=7066bb9a2da708f3ed06314fdc9c47fd
 
 PKG_LICENSE:=MIT
 PKG_LICENSE_FILES:=LICENSE libtomcrypt/LICENSE libtommath/LICENSE
 
 PKG_BUILD_PARALLEL:=1
 
+PKG_CONFIG_DEPENDS:=CONFIG_DROPBEAR_ECC
+
 include $(INCLUDE_DIR)/package.mk
 
 define Package/dropbear/Default
   URL:=http://matt.ucc.asn.au/dropbear/
 endef
 
+define Package/dropbear/config
+	source "$(SOURCE)/Config.in"
+endef
+
 define Package/dropbear
   $(call Package/dropbear/Default)
   SECTION:=net
@@ -72,6 +78,20 @@ CONFIGURE_ARGS += \
 TARGET_CFLAGS += -DARGTYPE=3 -ffunction-sections -fdata-sections
 TARGET_LDFLAGS += -Wl,--gc-sections
 
+define Build/Prepare
+	$(call Build/Prepare/Default)
+	# Enforce that all replacements are made, otherwise options.h has changed
+	# format and this logic is broken.
+	for OPTION in DROPBEAR_ECDSA DROPBEAR_ECDH DROPBEAR_CURVE25519; do \
+	  awk 'BEGIN { rc = 1 } \
+	       /'$$$$OPTION'/ { $$$$0 = "$(if $(CONFIG_DROPBEAR_ECC),,// )#define '$$$$OPTION'"; rc = 0 } \
+	       { print } \
+	       END { exit(rc) }' $(PKG_BUILD_DIR)/options.h \
+	       >$(PKG_BUILD_DIR)/options.h.new && \
+	  mv $(PKG_BUILD_DIR)/options.h.new $(PKG_BUILD_DIR)/options.h || exit 1; \
+	done
+endef
+
 define Build/Compile
 	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
 		$(TARGET_CONFIGURE_OPTS) \
-- 
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