From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.thorsis.com ([92.198.35.195]) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kaaOJ-0003Ph-Gn for ptxdist@pengutronix.de; Thu, 05 Nov 2020 09:13:08 +0100 Received: from localhost (localhost [127.0.0.1]) by mail.thorsis.com (Postfix) with ESMTP id B920F3F08 for ; Thu, 5 Nov 2020 09:13:06 +0100 (CET) Received: from mail.thorsis.com ([127.0.0.1]) by localhost (mail.thorsis.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FlK717O8XtPE for ; Thu, 5 Nov 2020 09:13:06 +0100 (CET) Received: from adahl by ada.ifak-system.com with local (Exim 4.92) (envelope-from ) id 1kaaOE-0001m0-D4 for ptxdist@pengutronix.de; Thu, 05 Nov 2020 09:13:02 +0100 From: Alexander Dahl Date: Thu, 5 Nov 2020 09:13:00 +0100 Message-Id: <20201105081302.6770-3-ada@thorsis.com> In-Reply-To: <20201105081302.6770-1-ada@thorsis.com> References: <20201105081302.6770-1-ada@thorsis.com> Subject: [ptxdist] [PATCH 2/4] dropbear: Revise comments List-Id: PTXdist Development Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: ptxdist@pengutronix.de MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ptxdist-bounces@pengutronix.de Sender: "ptxdist" To: ptxdist@pengutronix.de Add more section markers and update recommendations based on upstream's 'default_options.h' file. Signed-off-by: Alexander Dahl --- rules/dropbear.in | 12 +++++++----- rules/dropbear.make | 18 +++++++++++------- 2 files changed, 18 insertions(+), 12 deletions(-) diff --git a/rules/dropbear.in b/rules/dropbear.in index 62a4a8427..d01f2c73e 100644 --- a/rules/dropbear.in +++ b/rules/dropbear.in @@ -219,7 +219,7 @@ config DROPBEAR_CTR_CIPHERS CBC mode against certain attacks. This adds around 1kB to binary size and is recommended for most cases. -comment "Integrity, at least one required --- RFC Draft requires sha1-hmac and recommends sha1-96" +comment "Integrity, at least one required --- sha2-256 is recommended as a default, sha1 for compatibility" config DROPBEAR_SHA1 bool @@ -273,13 +273,13 @@ config DROPBEAR_SHA512 config DROPBEAR_MD5 bool - prompt "md5" + prompt "md5 (not recommended!)" help MD5 was developed by Professor Ronald L. Rivest in 1994. Its 128 bit (16 byte) message digest makes it a faster implementation than SHA-1. -comment "Hostkey/public key algorithms, at least one required --- SSH2 RFC Draft requires dss, recommends rsa" +comment "Hostkey/public key algorithms, at least one required --- RSA is recommended, DSS is not recommended for new keys" config DROPBEAR_RSA bool @@ -293,7 +293,7 @@ config DROPBEAR_RSA config DROPBEAR_DSS bool - prompt "dss" + prompt "dss (not recommended!)" help DSS stands for Digital Signature Standard. DSS employs the ElGamal and Schnorr PK systems to produce @@ -308,6 +308,8 @@ config DROPBEAR_ECDSA ECDSA stands for Elliptic Curve Digital Signature Algorithm. ECDSA is significantly faster than RSA or DSS. +comment "Key exchange algorithm ---" + config DROPBEAR_ECDH bool prompt "ecdh" @@ -377,7 +379,7 @@ config DROPBEAR_SCP comment "OpenSSH scp is selected!" depends on OPENSSH_SCP -comment "runtime options ---" +comment "runtime options ---" config DROPBEAR_STARTSCRIPT bool diff --git a/rules/dropbear.make b/rules/dropbear.make index acd9ef5f9..4f55fac48 100644 --- a/rules/dropbear.make +++ b/rules/dropbear.make @@ -67,6 +67,7 @@ $(STATEDIR)/dropbear.prepare: @echo "/* localoptions.h created by ptxdist */" > $(DROPBEAR_LOCALOPTIONS) +# features ifdef PTXCONF_DROPBEAR_DIS_X11 @echo "ptxdist: disabling x11 forwarding" @echo "#define DROPBEAR_X11FWD 0" >> $(DROPBEAR_LOCALOPTIONS) @@ -76,13 +77,13 @@ else endif ifdef PTXCONF_DROPBEAR_DIS_TCP - @echo "ptxdist: disabling tcp" + @echo "ptxdist: disabling tcp forwarding" @echo "#define DROPBEAR_CLI_LOCALTCPFWD 0" >> $(DROPBEAR_LOCALOPTIONS) @echo "#define DROPBEAR_CLI_REMOTETCPFWD 0" >> $(DROPBEAR_LOCALOPTIONS) @echo "#define DROPBEAR_SVR_LOCALTCPFWD 0" >> $(DROPBEAR_LOCALOPTIONS) @echo "#define DROPBEAR_SVR_REMOTETCPFWD 0" >> $(DROPBEAR_LOCALOPTIONS) else - @echo "ptxdist: enabling tcp" + @echo "ptxdist: enabling tcp forwarding" @echo "#define DROPBEAR_CLI_LOCALTCPFWD 1" >> $(DROPBEAR_LOCALOPTIONS) @echo "#define DROPBEAR_CLI_REMOTETCPFWD 1" >> $(DROPBEAR_LOCALOPTIONS) @echo "#define DROPBEAR_SVR_LOCALTCPFWD 1" >> $(DROPBEAR_LOCALOPTIONS) @@ -90,16 +91,16 @@ else endif ifdef PTXCONF_DROPBEAR_DIS_AGENT - @echo "ptxdist: disabling agent" + @echo "ptxdist: disabling auth agent forwarding" @echo "#define DROPBEAR_SVR_AGENTFWD 0" >> $(DROPBEAR_LOCALOPTIONS) @echo "#define DROPBEAR_CLI_AGENTFWD 0" >> $(DROPBEAR_LOCALOPTIONS) else - @echo "ptxdist: enabling agent" + @echo "ptxdist: enabling auth agent forwarding" @echo "#define DROPBEAR_SVR_AGENTFWD 1" >> $(DROPBEAR_LOCALOPTIONS) @echo "#define DROPBEAR_CLI_AGENTFWD 1" >> $(DROPBEAR_LOCALOPTIONS) endif - +# encryption ifdef PTXCONF_DROPBEAR_AES128 @echo "ptxdist: enabling aes128" @echo "#define DROPBEAR_AES128 1" >> $(DROPBEAR_LOCALOPTIONS) @@ -148,6 +149,7 @@ else @echo "#define DROPBEAR_TWOFISH128 0" >> $(DROPBEAR_LOCALOPTIONS) endif +# ciphers ifdef PTXCONF_DROPBEAR_CBC_CIPHERS @echo "ptxdist: enabling cbc ciphers" @echo "#define DROPBEAR_ENABLE_CBC_MODE 1" >> $(DROPBEAR_LOCALOPTIONS) @@ -165,6 +167,7 @@ else @echo "#define DROPBEAR_ENABLE_CTR_MODE 0" >> $(DROPBEAR_LOCALOPTIONS) endif +# integrity ifdef PTXCONF_DROPBEAR_SHA1 @echo "ptxdist: enabling sha1" @echo "#define DROPBEAR_SHA1_HMAC 1" >> $(DROPBEAR_LOCALOPTIONS) @@ -210,7 +213,7 @@ else @echo "#define DROPBEAR_MD5_HMAC 0" >> $(DROPBEAR_LOCALOPTIONS) endif - +# host key / public key ifdef PTXCONF_DROPBEAR_RSA @echo "ptxdist: enabling rsa" @echo "#define DROPBEAR_RSA 1" >> $(DROPBEAR_LOCALOPTIONS) @@ -235,6 +238,7 @@ else @echo "#define DROPBEAR_ECDSA 0" >> $(DROPBEAR_LOCALOPTIONS) endif +# key exchange algorithm ifdef PTXCONF_DROPBEAR_ECDH @echo "ptxdist: enabling ecdh" @echo "#define DROPBEAR_ECDH 1" >> $(DROPBEAR_LOCALOPTIONS) @@ -251,7 +255,7 @@ else @echo "#define DROPBEAR_CURVE25519 0" >> $(DROPBEAR_LOCALOPTIONS) endif - +# authentication types ifdef PTXCONF_DROPBEAR_PASSWD @echo "ptxdist: enabling passwd" @echo "#define DROPBEAR_SVR_PASSWORD_AUTH 1" >> $(DROPBEAR_LOCALOPTIONS) -- 2.27.0 _______________________________________________ ptxdist mailing list ptxdist@pengutronix.de To unsubscribe, send a mail with subject "unsubscribe" to ptxdist-request@pengutronix.de