dropbear: options.h annotate

annotate options.h @ 502:43bbe17d6ba0

- Add Counter Mode support

author	Matt Johnston <matt@ucc.asn.au>
date	Mon, 29 Sep 2008 13:53:31 +0000
parents	f3ca5ebc319a
children	0cdbc95bb3d2

rev	line source
90 c2ac796b130e merge of 00b67a11e33c3ed390556805ed6d1078528bee70 Matt Johnston <matt@ucc.asn.au> parents: 84 diff changeset	1 /* Dropbear SSH
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	2 * Copyright (c) 2002,2003 Matt Johnston
90 c2ac796b130e merge of 00b67a11e33c3ed390556805ed6d1078528bee70 Matt Johnston <matt@ucc.asn.au> parents: 84 diff changeset	3 * All rights reserved. See LICENSE for the license. */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	4
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	5 #ifndef _OPTIONS_H_
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6 #define _OPTIONS_H_
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	7
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	8 /******************************************************************
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	9 * Define compile-time options below - the "#ifndef DROPBEAR_XXX .... #endif"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	10 * parts are to allow for commandline -DDROPBEAR_XXX options etc.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	11 ******************************************************************/
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	12
112 cca368f09f4f options.h Matt Johnston <matt@ucc.asn.au> parents: 111 diff changeset	13 #ifndef DROPBEAR_DEFPORT
104 298098b2a61e Default port is now set as a string Matt Johnston <matt@ucc.asn.au> parents: 90 diff changeset	14 #define DROPBEAR_DEFPORT "22"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	15 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	16
434 0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	17 #ifndef DROPBEAR_DEFADDRESS
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	18 /* Listen on all interfaces */
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	19 #define DROPBEAR_DEFADDRESS ""
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	20 #endif
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	21
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 /* Default hostkey paths - these can be specified on the command line */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	23 #ifndef DSS_PRIV_FILENAME
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	24 #define DSS_PRIV_FILENAME "/etc/dropbear/dropbear_dss_host_key"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	25 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 #ifndef RSA_PRIV_FILENAME
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 #define RSA_PRIV_FILENAME "/etc/dropbear/dropbear_rsa_host_key"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	28 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	29
71 ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	30 /* Set NON_INETD_MODE if you require daemon functionality (ie Dropbear listens
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	31 * on chosen ports and keeps accepting connections. This is the default.
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	32 *
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	33 * Set INETD_MODE if you want to be able to run Dropbear with inetd (or
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	34 * similar), where it will use stdin/stdout for connections, and each process
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	35 * lasts for a single connection. Dropbear should be invoked with the -i flag
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	36 * for inetd, and can only accept IPv4 connections.
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	37 *
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	38 * Both of these flags can be defined at once, don't compile without at least
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	39 * one of them. */
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	40 #define NON_INETD_MODE
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	41 #define INETD_MODE
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	42
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	43 /* Setting this disables the fast exptmod bignum code. It saves ~5kB, but is
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	44 * perhaps 20% slower for pubkey operations (it is probably worth experimenting
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45 * if you want to use this) */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 /#define NO_FAST_EXPTMOD/
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	48 /* Set this if you want to use the DROPBEAR_SMALL_CODE option. This can save
b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	49 several kB in binary size, however will make the symmetrical ciphers (AES, DES
b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	50 etc) slower (perhaps by 50%). Recommended for most small systems. */
b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	51 #define DROPBEAR_SMALL_CODE
b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	52
66 38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 65 diff changeset	53 /* Enable X11 Forwarding - server only */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 #define ENABLE_X11FWD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56 /* Enable TCP Fowarding */
66 38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 65 diff changeset	57 /* 'Local' is "-L" style (client listening port forwarded via server)
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 65 diff changeset	58 * 'Remote' is "-R" style (server listening port forwarded via client) */
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 65 diff changeset	59
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	60 #define ENABLE_CLI_LOCALTCPFWD
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	61 #define ENABLE_CLI_REMOTETCPFWD
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	62
479 e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	63 /* Allow using -J <proxycommand> to run the connection through a
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	64 pipe to a program, rather the normal TCP connection */
483 738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc. Matt Johnston <matt@ucc.asn.au> parents: 479 diff changeset	65 #define ENABLE_CLI_PROXYCMD
479 e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	66
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	67 #define ENABLE_SVR_LOCALTCPFWD
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	68 #define ENABLE_SVR_REMOTETCPFWD
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69
66 38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 65 diff changeset	70 /* Enable Authentication Agent Forwarding - server only for now */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71 #define ENABLE_AGENTFWD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72
485 12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	73 /* Enable "Netcat mode". TODO describe here. */
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	74 #define ENABLE_CLI_NETCAT
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	75
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	76
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	77 /* Encryption - at least one required.
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	78 * Protocol RFC requires 3DES and recommends AES128 for interoperability.
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	79 * Including multiple keysize variants the same cipher
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	80 * (eg AES256 as well as AES128) will result in a minimal size increase.*/
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	81 #define DROPBEAR_AES128
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	82 #define DROPBEAR_3DES
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	83 #define DROPBEAR_AES256
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	84 #define DROPBEAR_BLOWFISH
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	85 #define DROPBEAR_TWOFISH256
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	86 #define DROPBEAR_TWOFISH128
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	87
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	88 /* Enable "Counter Mode" for ciphers. This is more secure than normal
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	89 * CBC mode against certain attacks. TODO how much size does it add? */
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	90 #define DROPBEAR_ENABLE_CTR_MODE
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	91
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	92 /* Message Integrity - at least one required.
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	93 * Protocol RFC requires sha1 and recommends sha1-96.
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	94 * sha1-96 may be of use for slow links, as it has a smaller overhead.
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	95 *
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	96 * Note: there's no point disabling sha1 to save space, since it's used
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	97 * for the random number generator and public-key cryptography anyway.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	98 * Disabling it here will just stop it from being used as the integrity portion
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	99 * of the ssh protocol.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	100 *
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	101 * These hashes are also used for public key fingerprints in logs.
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	102 * If you disable MD5, Dropbear will fall back to SHA1 fingerprints,
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	103 * which are not the standard form. */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	104 #define DROPBEAR_SHA1_HMAC
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	105 #define DROPBEAR_SHA1_96_HMAC
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	106 #define DROPBEAR_MD5_HMAC
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	107
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108 /* Hostkey/public key algorithms - at least one required, these are used
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 * for hostkey as well as for verifying signatures with pubkey auth.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110 * Removing either of these won't save very much space.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111 * SSH2 RFC Draft requires dss, recommends rsa */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 #define DROPBEAR_RSA
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113 #define DROPBEAR_DSS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114
216 ea9277442ef2 * move RSA_BLINDING to options.h Matt Johnston <matt@ucc.asn.au> parents: 206 diff changeset	115 /* RSA can be vulnerable to timing attacks which use the time required for
ea9277442ef2 * move RSA_BLINDING to options.h Matt Johnston <matt@ucc.asn.au> parents: 206 diff changeset	116 * signing to guess the private key. Blinding avoids this attack, though makes
ea9277442ef2 * move RSA_BLINDING to options.h Matt Johnston <matt@ucc.asn.au> parents: 206 diff changeset	117 * signing operations slightly slower. */
ea9277442ef2 * move RSA_BLINDING to options.h Matt Johnston <matt@ucc.asn.au> parents: 206 diff changeset	118 #define RSA_BLINDING
ea9277442ef2 * move RSA_BLINDING to options.h Matt Johnston <matt@ucc.asn.au> parents: 206 diff changeset	119
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	120 /* Define DSS_PROTOK to use PuTTY's method of generating the value k for dss,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	121 * rather than just from the random byte source. Undefining this will save you
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122 * ~4k in binary size with static uclibc, but your DSS hostkey could be exposed
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	123 * if the random number source isn't good. In general this isn't required */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124 /* #define DSS_PROTOK */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	125
172 3e49d8d18005 * respect DO_HOST_LOOKUP config option Matt Johnston <matt@ucc.asn.au> parents: 161 diff changeset	126 /* Whether to do reverse DNS lookups. */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127 #define DO_HOST_LOOKUP
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	128
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129 /* Whether to print the message of the day (MOTD). This doesn't add much code
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130 * size */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 #define DO_MOTD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 /* The MOTD file path */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 #ifndef MOTD_FILENAME
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135 #define MOTD_FILENAME "/etc/motd"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137
121 9337c9f9a607 PAM improvements Matt Johnston <matt@ucc.asn.au> parents: 119 diff changeset	138 /* Authentication Types - at least one required.
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139 RFC Draft requires pubkey auth, and recommends password */
121 9337c9f9a607 PAM improvements Matt Johnston <matt@ucc.asn.au> parents: 119 diff changeset	140
176 bc69564ef57b changes for 0.45 Matt Johnston <matt@ucc.asn.au> parents: 173 diff changeset	141 /* Note: PAM auth is quite simple, and only works for PAM modules which just do
bc69564ef57b changes for 0.45 Matt Johnston <matt@ucc.asn.au> parents: 173 diff changeset	142 * a simple "Login: " "Password: " (you can edit the strings in svr-authpam.c).
bc69564ef57b changes for 0.45 Matt Johnston <matt@ucc.asn.au> parents: 173 diff changeset	143 * It's useful for systems like OS X where standard password crypts don't work,
bc69564ef57b changes for 0.45 Matt Johnston <matt@ucc.asn.au> parents: 173 diff changeset	144 * but there's an interface via a PAM module - don't bother using it otherwise.
bc69564ef57b changes for 0.45 Matt Johnston <matt@ucc.asn.au> parents: 173 diff changeset	145 * You can't enable both PASSWORD and PAM. */
121 9337c9f9a607 PAM improvements Matt Johnston <matt@ucc.asn.au> parents: 119 diff changeset	146
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: 496 diff changeset	147 #define ENABLE_SVR_PASSWORD_AUTH
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: 496 diff changeset	148 /* PAM requires ./configure --enable-pam */
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	149 /#define ENABLE_SVR_PAM_AUTH/
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	150 #define ENABLE_SVR_PUBKEY_AUTH
66 38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 65 diff changeset	151
475 52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	152 /* Wether to ake public key options in authorized_keys file into account */
52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	153 #ifdef ENABLE_SVR_PUBKEY_AUTH
52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	154 #define ENABLE_SVR_PUBKEY_OPTIONS
52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	155 #endif
52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	156
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	157 #define ENABLE_CLI_PASSWORD_AUTH
eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	158 #define ENABLE_CLI_PUBKEY_AUTH
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 236 diff changeset	159 #define ENABLE_CLI_INTERACT_AUTH
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160
441 fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 437 diff changeset	161 /* This variable can be used to set a password for client
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 437 diff changeset	162 * authentication on the commandline. Beware of platforms
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 437 diff changeset	163 * that don't protect environment variables of processes etc. Also
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 437 diff changeset	164 * note that it will be provided for all "hidden" client-interactive
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 437 diff changeset	165 * style prompts - if you want something more sophisticated, use
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 437 diff changeset	166 * SSH_ASKPASS instead. Comment out this var to remove this functionality.*/
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 437 diff changeset	167 #define DROPBEAR_PASSWORD_ENV "DROPBEAR_PASSWORD"
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 437 diff changeset	168
173 257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	169 /* Define this (as well as ENABLE_CLI_PASSWORD_AUTH) to allow the use of
257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	170 * a helper program for the ssh client. The helper program should be
257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	171 * specified in the SSH_ASKPASS environment variable, and dbclient
257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	172 * should be run with DISPLAY set and no tty. The program should
257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	173 * return the password on standard output */
257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	174 /#define ENABLE_CLI_ASKPASS_HELPER/
257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	175
149 ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	176 /* Random device to use - define either DROPBEAR_RANDOM_DEV or
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	177 * DROPBEAR_PRNGD_SOCKET.
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	178 * DROPBEAR_RANDOM_DEV is recommended on hosts with a good /dev/(u)random,
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	179 * otherwise use run prngd (or egd if you want), specifying the socket.
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	180 * The device will be queried for a few dozen bytes of seed a couple of times
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	181 * per session (or more for very long-lived sessions). */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182
446 2cd2edfa11ee Just use /dev/urandom since that's what everyone ends up using anyway. Matt Johnston <matt@ucc.asn.au> parents: 442 diff changeset	183 /* We'll use /dev/urandom by default, since /dev/random is too much hassle.
2cd2edfa11ee Just use /dev/urandom since that's what everyone ends up using anyway. Matt Johnston <matt@ucc.asn.au> parents: 442 diff changeset	184 * If system developers aren't keeping seeds between boots nor getting
2cd2edfa11ee Just use /dev/urandom since that's what everyone ends up using anyway. Matt Johnston <matt@ucc.asn.au> parents: 442 diff changeset	185 * any entropy from somewhere it's their own fault. */
2cd2edfa11ee Just use /dev/urandom since that's what everyone ends up using anyway. Matt Johnston <matt@ucc.asn.au> parents: 442 diff changeset	186 #define DROPBEAR_RANDOM_DEV "/dev/urandom"
442 d82a2a44c684 Add -u option to specify /dev/urandom instead Matt Johnston <matt@ucc.asn.au> parents: 441 diff changeset	187
149 ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	188 /* prngd must be manually set up to produce output */
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	189 /#define DROPBEAR_PRNGD_SOCKET "/var/run/dropbear-rng"/
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	190
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	191 /* Specify the number of clients we will allow to be connected but
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192 * not yet authenticated. After this limit, connections are rejected */
277 044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	193 /* The first setting is per-IP, to avoid denial of service */
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	194 #ifndef MAX_UNAUTH_PER_IP
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	195 #define MAX_UNAUTH_PER_IP 5
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	196 #endif
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	197
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	198 /* And then a global limit to avoid chewing memory if connections
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	199 * come from many IPs */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 #ifndef MAX_UNAUTH_CLIENTS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201 #define MAX_UNAUTH_CLIENTS 30
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	203
66 38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 65 diff changeset	204 /* Maximum number of failed authentication tries (server option) */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205 #ifndef MAX_AUTH_TRIES
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 #define MAX_AUTH_TRIES 10
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208
437 7319d229799a 0.49 probably done Matt Johnston <matt@ucc.asn.au> parents: 435 diff changeset	209 /* The default file to store the daemon's process ID, for shutdown
7319d229799a 0.49 probably done Matt Johnston <matt@ucc.asn.au> parents: 435 diff changeset	210 scripts etc. This can be overridden with the -P flag */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211 #ifndef DROPBEAR_PIDFILE
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	212 #define DROPBEAR_PIDFILE "/var/run/dropbear.pid"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	213 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	215 /* The command to invoke for xauth when using X11 forwarding.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	216 * "-q" for quiet */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217 #ifndef XAUTH_COMMAND
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	218 #define XAUTH_COMMAND "/usr/X11R6/bin/xauth -q"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	220
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	221 /* if you want to enable running an sftp server (such as the one included with
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	222 * OpenSSH), set the path below. If the path isn't defined, sftp will not
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	223 * be enabled */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224 #ifndef SFTPSERVER_PATH
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 #define SFTPSERVER_PATH "/usr/libexec/sftp-server"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	226 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	227
66 38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 65 diff changeset	228 /* This is used by the scp binary when used as a client binary. If you're
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 65 diff changeset	229 * not using the Dropbear client, you'll need to change it */
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 65 diff changeset	230 #define _PATH_SSH_PROGRAM "/usr/bin/dbclient"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231
349 dba106bf6b34 Add (disabled by default) LOG_COMMANDS option to log the commands executed Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	232 /* Whether to log commands executed by a client. This only logs the
dba106bf6b34 Add (disabled by default) LOG_COMMANDS option to log the commands executed Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	233 * (single) command sent to the server, not what a user did in a
dba106bf6b34 Add (disabled by default) LOG_COMMANDS option to log the commands executed Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	234 * shell/sftp session etc. */
dba106bf6b34 Add (disabled by default) LOG_COMMANDS option to log the commands executed Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	235 /* #define LOG_COMMANDS */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236
448 9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	237 /* Window size limits. These tend to be a trade-off between memory
9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	238 usage and network performance: */
9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	239 /* Size of the network receive window. This amount of memory is allocated
9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	240 as a per-channel receive buffer. Increasing this value can make a
449 3e6c536bc023 Add -W <windowsize> argument and document it. Matt Johnston <matt@ucc.asn.au> parents: 448 diff changeset	241 significant difference to network performance. 24kB was empirically
3e6c536bc023 Add -W <windowsize> argument and document it. Matt Johnston <matt@ucc.asn.au> parents: 448 diff changeset	242 chosen for a 100mbit ethernet network. The value can be altered at
3e6c536bc023 Add -W <windowsize> argument and document it. Matt Johnston <matt@ucc.asn.au> parents: 448 diff changeset	243 runtime with the -W argument. */
3e6c536bc023 Add -W <windowsize> argument and document it. Matt Johnston <matt@ucc.asn.au> parents: 448 diff changeset	244 #define DEFAULT_RECV_WINDOW 24576
448 9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	245 /* Maximum size of a received SSH data packet - this _MUST_ be >= 32768
9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	246 in order to interoperate with other implementations */
9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	247 #define RECV_MAX_PAYLOAD_LEN 32768
9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	248 /* Maximum size of a transmitted data packet - this can be any value,
9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	249 though increasing it may not make a significant difference. */
9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	250 #define TRANS_MAX_PAYLOAD_LEN 16384
9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	251
454 7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	252 /* Ensure that data is transmitted every KEEPALIVE seconds. This can
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	253 be overridden at runtime with -K. 0 disables keepalives */
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	254 #define DEFAULT_KEEPALIVE 0
448 9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	255
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: 496 diff changeset	256 /* Some other defines (that mostly should be left alone) are defined
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: 496 diff changeset	257 * in sysoptions.h */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: 496 diff changeset	258 #include "sysoptions.h"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	259
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	260 #endif /* _OPTIONS_H_ */

Mercurial > dropbear

annotate options.h @ 502:43bbe17d6ba0