From 9e355444a65cbde194e6a404d16d09eab3fe2fd6 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Tue, 4 Dec 2012 16:40:17 +0000
Subject: [PATCH] dropbear: update to 2012.55 and refresh patches
Upstream has a few code cleanups, more eagerly burns sensitive memory and
includes the fix for CVE-2012-0920. Full changelog:
https://matt.ucc.asn.au/dropbear/CHANGES
Local changes:
- Removed PKG_MULTI which is no longer in options.h (even before 2011.54)
- Merged DO_HOST_LOOKUP into 120-openwrt_options.patch
- Removed LD from make opts (now included in TARGET_CONFIGURE_OPTS)
- Removed 400-CVE-2012-0920.patch which is included in 2012.55
Signed-off-by: Catalin Patulea <cat@vv.carleton.ca>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 34496
---
package/network/services/dropbear/Makefile | 12 +--
.../dropbear/patches/110-change_user.patch | 2 +-
.../patches/120-openwrt_options.patch | 7 +-
.../dropbear/patches/140-disable_assert.patch | 2 +-
.../dropbear/patches/400-CVE-2012-0920.patch | 91 -------------------
5 files changed, 10 insertions(+), 104 deletions(-)
delete mode 100644 package/network/services/dropbear/patches/400-CVE-2012-0920.patch
diff --git a/package/network/services/dropbear/Makefile b/package/network/services/dropbear/Makefile
index cd5b368256..b7708b1d05 100644
--- a/package/network/services/dropbear/Makefile
+++ b/package/network/services/dropbear/Makefile
@@ -8,14 +8,14 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=dropbear
-PKG_VERSION:=2011.54
+PKG_VERSION:=2012.55
PKG_RELEASE:=2
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_URL:= \
http://matt.ucc.asn.au/dropbear/releases/ \
http://www.mirrors.wiretapped.net/security/cryptography/apps/ssh/dropbear/
-PKG_MD5SUM:=c627ffe09570fad7aa94d8eac2b9320c
+PKG_MD5SUM:=8c784baec3054cdb1bb4bfa792c87812
PKG_LICENSE:=MIT
PKG_LICENSE_FILES:=LICENSE libtomcrypt/LICENSE libtommath/LICENSE
@@ -72,21 +72,13 @@ CONFIGURE_ARGS += \
TARGET_CFLAGS += -DARGTYPE=3 -ffunction-sections -fdata-sections
TARGET_LDFLAGS += -Wl,--gc-sections
-define Build/Configure
- $(SED) 's,^/\* #define PKG_MULTI.*,#define PKG_MULTI,g' $(PKG_BUILD_DIR)/options.h
- $(SED) 's,^#define DO_HOST_LOOKUP,/* & */,g' $(PKG_BUILD_DIR)/options.h
- $(call Build/Configure/Default)
-endef
-
define Build/Compile
+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
$(TARGET_CONFIGURE_OPTS) \
- LD="$(TARGET_CC)" \
PROGRAMS="dropbear dbclient dropbearkey scp" \
MULTI=1 SCPPROGRESS=1
+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
$(TARGET_CONFIGURE_OPTS) \
- LD="$(TARGET_CC)" \
PROGRAMS="dropbearconvert"
endef
diff --git a/package/network/services/dropbear/patches/110-change_user.patch b/package/network/services/dropbear/patches/110-change_user.patch
index 55747bc4d7..a354edad23 100644
--- a/package/network/services/dropbear/patches/110-change_user.patch
+++ b/package/network/services/dropbear/patches/110-change_user.patch
@@ -1,6 +1,6 @@
--- a/svr-chansession.c
+++ b/svr-chansession.c
-@@ -884,12 +884,12 @@ static void execchild(void *user_data) {
+@@ -891,12 +891,12 @@ static void execchild(void *user_data) {
/* We can only change uid/gid as root ... */
if (getuid() == 0) {
diff --git a/package/network/services/dropbear/patches/120-openwrt_options.patch b/package/network/services/dropbear/patches/120-openwrt_options.patch
index 42204aa646..977f6312fb 100644
--- a/package/network/services/dropbear/patches/120-openwrt_options.patch
+++ b/package/network/services/dropbear/patches/120-openwrt_options.patch
@@ -47,7 +47,12 @@
#define DROPBEAR_MD5_HMAC
/* Hostkey/public key algorithms - at least one required, these are used
-@@ -148,7 +148,7 @@ much traffic. */
+@@ -144,11 +144,11 @@ much traffic. */
+ #endif
+
+ /* Whether to do reverse DNS lookups. */
+-#define DO_HOST_LOOKUP
++/*#define DO_HOST_LOOKUP*/
/* Whether to print the message of the day (MOTD). This doesn't add much code
* size */
diff --git a/package/network/services/dropbear/patches/140-disable_assert.patch b/package/network/services/dropbear/patches/140-disable_assert.patch
index e99376333c..e00184a8fb 100644
--- a/package/network/services/dropbear/patches/140-disable_assert.patch
+++ b/package/network/services/dropbear/patches/140-disable_assert.patch
@@ -1,6 +1,6 @@
--- a/dbutil.h
+++ b/dbutil.h
-@@ -94,6 +94,10 @@ int m_str_to_uint(const char* str, unsig
+@@ -93,6 +93,10 @@ int m_str_to_uint(const char* str, unsig
#define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL}
/* Dropbear assertion */
diff --git a/package/network/services/dropbear/patches/400-CVE-2012-0920.patch b/package/network/services/dropbear/patches/400-CVE-2012-0920.patch
deleted file mode 100644
index 164909f561..0000000000
--- a/package/network/services/dropbear/patches/400-CVE-2012-0920.patch
+++ /dev/null
@@ -1,91 +0,0 @@
-
-# HG changeset patch
-# User Matt Johnston <matt@ucc.asn.au>
-# Date 1322947885 -28800
-# Node ID 818108bf7749bfecd4715a30e2583aac9dbe25e8
-# Parent 5e8d84f3ee7256d054ecf7e9f248765ccaa7f24f
-- Fix use-after-free if multiple command requests were sent. Move
-the original_command into chansess struct since that makes more sense
-
---- a/auth.h
-+++ b/auth.h
-@@ -133,7 +133,6 @@ struct PubKeyOptions {
- int no_pty_flag;
- /* "command=" option. */
- unsigned char * forced_command;
-- unsigned char * original_command;
- };
- #endif
-
---- a/chansession.h
-+++ b/chansession.h
-@@ -69,6 +69,10 @@ struct ChanSess {
- char * agentfile;
- char * agentdir;
- #endif
-+
-+#ifdef ENABLE_SVR_PUBKEY_OPTIONS
-+ char *original_command;
-+#endif
- };
-
- struct ChildPid {
---- a/svr-authpubkeyoptions.c
-+++ b/svr-authpubkeyoptions.c
-@@ -92,14 +92,15 @@ int svr_pubkey_allows_pty() {
- * by any 'command' public key option. */
- void svr_pubkey_set_forced_command(struct ChanSess *chansess) {
- if (ses.authstate.pubkey_options) {
-- ses.authstate.pubkey_options->original_command = chansess->cmd;
-- if (!chansess->cmd)
-- {
-- ses.authstate.pubkey_options->original_command = m_strdup("");
-+ if (chansess->cmd) {
-+ /* original_command takes ownership */
-+ chansess->original_command = chansess->cmd;
-+ } else {
-+ chansess->original_command = m_strdup("");
- }
-- chansess->cmd = ses.authstate.pubkey_options->forced_command;
-+ chansess->cmd = m_strdup(ses.authstate.pubkey_options->forced_command);
- #ifdef LOG_COMMANDS
-- dropbear_log(LOG_INFO, "Command forced to '%s'", ses.authstate.pubkey_options->original_command);
-+ dropbear_log(LOG_INFO, "Command forced to '%s'", chansess->original_command);
- #endif
- }
- }
---- a/svr-chansession.c
-+++ b/svr-chansession.c
-@@ -217,6 +217,8 @@ static int newchansess(struct Channel *c
-
- struct ChanSess *chansess;
-
-+ TRACE(("new chansess %p", channel))
-+
- dropbear_assert(channel->typedata == NULL);
-
- chansess = (struct ChanSess*)m_malloc(sizeof(struct ChanSess));
-@@ -279,6 +281,10 @@ static void closechansess(struct Channel
- m_free(chansess->cmd);
- m_free(chansess->term);
-
-+#ifdef ENABLE_SVR_PUBKEY_OPTIONS
-+ m_free(chansess->original_command);
-+#endif
-+
- if (chansess->tty) {
- /* write the utmp/wtmp login record */
- li = chansess_login_alloc(chansess);
-@@ -924,10 +930,8 @@ static void execchild(void *user_data) {
- }
-
- #ifdef ENABLE_SVR_PUBKEY_OPTIONS
-- if (ses.authstate.pubkey_options &&
-- ses.authstate.pubkey_options->original_command) {
-- addnewvar("SSH_ORIGINAL_COMMAND",
-- ses.authstate.pubkey_options->original_command);
-+ if (chansess->original_command) {
-+ addnewvar("SSH_ORIGINAL_COMMAND", chansess->original_command);
- }
- #endif
-
--
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