Openwrt/package/network/services/dropbear/patches/120-openwrt_options.patch
Felix Fietkau a4cf4c35af dropbear: disable 3des, cbc mode, dss support, saves about 5k gzipped
While technically required by the RFC, they are usually completely
unused (DSA), or have security issues (3DES, CBC)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 46814
2015-09-08 08:55:10 +00:00

82 lines
3.1 KiB
Diff

--- a/options.h
+++ b/options.h
@@ -41,7 +41,7 @@
* Both of these flags can be defined at once, don't compile without at least
* one of them. */
#define NON_INETD_MODE
-#define INETD_MODE
+/*#define INETD_MODE*/
/* Setting this disables the fast exptmod bignum code. It saves ~5kB, but is
* perhaps 20% slower for pubkey operations (it is probably worth experimenting
@@ -81,7 +81,7 @@ much traffic. */
/* Enable "Netcat mode" option. This will forward standard input/output
* to a remote TCP-forwarded connection */
-#define ENABLE_CLI_NETCAT
+/*#define ENABLE_CLI_NETCAT*/
/* Whether to support "-c" and "-m" flags to choose ciphers/MACs at runtime */
#define ENABLE_USER_ALGO_LIST
@@ -91,16 +91,16 @@ much traffic. */
* Including multiple keysize variants the same cipher
* (eg AES256 as well as AES128) will result in a minimal size increase.*/
#define DROPBEAR_AES128
-#define DROPBEAR_3DES
+/*#define DROPBEAR_3DES*/
#define DROPBEAR_AES256
/* Compiling in Blowfish will add ~6kB to runtime heap memory usage */
/*#define DROPBEAR_BLOWFISH*/
-#define DROPBEAR_TWOFISH256
-#define DROPBEAR_TWOFISH128
+/*#define DROPBEAR_TWOFISH256*/
+/*#define DROPBEAR_TWOFISH128*/
/* Enable CBC mode for ciphers. This has security issues though
* is the most compatible with older SSH implementations */
-#define DROPBEAR_ENABLE_CBC_MODE
+/*#define DROPBEAR_ENABLE_CBC_MODE*/
/* Enable "Counter Mode" for ciphers. This is more secure than normal
* CBC mode against certain attacks. It is recommended for security
@@ -131,9 +131,9 @@ If you test it please contact the Dropbe
* If you disable MD5, Dropbear will fall back to SHA1 fingerprints,
* which are not the standard form. */
#define DROPBEAR_SHA1_HMAC
-#define DROPBEAR_SHA1_96_HMAC
-#define DROPBEAR_SHA2_256_HMAC
-#define DROPBEAR_SHA2_512_HMAC
+/*#define DROPBEAR_SHA1_96_HMAC*/
+/*#define DROPBEAR_SHA2_256_HMAC*/
+/*#define DROPBEAR_SHA2_512_HMAC*/
#define DROPBEAR_MD5_HMAC
/* You can also disable integrity. Don't bother disabling this if you're
@@ -146,7 +146,7 @@ If you test it please contact the Dropbe
* Removing either of these won't save very much space.
* SSH2 RFC Draft requires dss, recommends rsa */
#define DROPBEAR_RSA
-#define DROPBEAR_DSS
+/*#define DROPBEAR_DSS*/
/* ECDSA is significantly faster than RSA or DSS. Compiling in ECC
* code (either ECDSA or ECDH) increases binary size - around 30kB
* on x86-64 */
@@ -189,7 +189,7 @@ If you test it please contact the Dropbe
/* Whether to print the message of the day (MOTD). This doesn't add much code
* size */
-#define DO_MOTD
+/*#define DO_MOTD*/
/* The MOTD file path */
#ifndef MOTD_FILENAME
@@ -231,7 +231,7 @@ Homedir is prepended unless path begins
* note that it will be provided for all "hidden" client-interactive
* style prompts - if you want something more sophisticated, use
* SSH_ASKPASS instead. Comment out this var to remove this functionality.*/
-#define DROPBEAR_PASSWORD_ENV "DROPBEAR_PASSWORD"
+/*#define DROPBEAR_PASSWORD_ENV "DROPBEAR_PASSWORD"*/
/* Define this (as well as ENABLE_CLI_PASSWORD_AUTH) to allow the use of
* a helper program for the ssh client. The helper program should be