dropbear: options.h annotate

annotate options.h @ 350:01e4180895ba

merge of '9a4e042fd565f46141e81e0c1ab90260303348fe' and 'bea3887a5875cf3ab8a1331e15e698b37b61fe37'

author	Matt Johnston <matt@ucc.asn.au>
date	Mon, 07 Aug 2006 13:41:23 +0000
parents	3e098639b05f dba106bf6b34
children	78518751cb82

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
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	17 /* 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	18 #ifndef DSS_PRIV_FILENAME
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	19 #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	20 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	21 #ifndef RSA_PRIV_FILENAME
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 #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	23 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	24
71 ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	25 /* 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	26 * 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	27 *
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	28 * 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	29 * 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	30 * 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	31 * 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	32 *
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	33 * 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	34 * one of them. */
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	35 #define NON_INETD_MODE
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	36 #define INETD_MODE
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	37
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38 /* 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	39 * 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	40 * if you want to use this) */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	41 /#define NO_FAST_EXPTMOD/
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	42
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	43 /* 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	44 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	45 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	46 #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	47
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	48 /* Enable X11 Forwarding - server only */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 #define ENABLE_X11FWD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51 /* 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	52 /* '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	53 * '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	54
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	55 #define ENABLE_CLI_LOCALTCPFWD
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	56 #define ENABLE_CLI_REMOTETCPFWD
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	57
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	58 #define ENABLE_SVR_LOCALTCPFWD
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	59 #define ENABLE_SVR_REMOTETCPFWD
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60
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	61 /* 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	62 #define ENABLE_AGENTFWD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 /* Encryption - at least one required.
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	65 * RFC Draft requires 3DES and recommends AES128 for interoperability.
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	66 * 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	67 * (eg AES256 as well as AES128) will result in a minimal size increase.*/
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 #define DROPBEAR_AES128_CBC
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69 #define DROPBEAR_3DES_CBC
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	70 #define DROPBEAR_AES256_CBC
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	71 #define DROPBEAR_BLOWFISH_CBC
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	72 #define DROPBEAR_TWOFISH256_CBC
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	73 #define DROPBEAR_TWOFISH128_CBC
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	74
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	75 /* Message Integrity - at least one required.
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	76 * RFC Draft requires sha1 and recommends sha1-96.
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	77 * 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	78 *
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	79 * 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	80 * 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	81 * 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	82 * of the ssh protocol.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 *
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	84 * 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	85 * 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	86 * which are not the standard form. */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 #define DROPBEAR_SHA1_HMAC
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	88 #define DROPBEAR_SHA1_96_HMAC
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89 #define DROPBEAR_MD5_HMAC
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	90
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	91 /* 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	92 * 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	93 * 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	94 * SSH2 RFC Draft requires dss, recommends rsa */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	95 #define DROPBEAR_RSA
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	96 #define DROPBEAR_DSS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	97
216 ea9277442ef2 * move RSA_BLINDING to options.h Matt Johnston <matt@ucc.asn.au> parents: 206 diff changeset	98 /* 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	99 * 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	100 * signing operations slightly slower. */
ea9277442ef2 * move RSA_BLINDING to options.h Matt Johnston <matt@ucc.asn.au> parents: 206 diff changeset	101 #define RSA_BLINDING
ea9277442ef2 * move RSA_BLINDING to options.h Matt Johnston <matt@ucc.asn.au> parents: 206 diff changeset	102
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	103 /* 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	104 * 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	105 * ~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	106 * 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	107 /* #define DSS_PROTOK */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108
172 3e49d8d18005 * respect DO_HOST_LOOKUP config option Matt Johnston <matt@ucc.asn.au> parents: 161 diff changeset	109 /* Whether to do reverse DNS lookups. */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110 #define DO_HOST_LOOKUP
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 /* 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	113 * size */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114 #define DO_MOTD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	115
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116 /* The MOTD file path */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	117 #ifndef MOTD_FILENAME
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	118 #define MOTD_FILENAME "/etc/motd"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	119 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	120
121 9337c9f9a607 PAM improvements Matt Johnston <matt@ucc.asn.au> parents: 119 diff changeset	121 /* Authentication Types - at least one required.
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122 RFC Draft requires pubkey auth, and recommends password */
121 9337c9f9a607 PAM improvements Matt Johnston <matt@ucc.asn.au> parents: 119 diff changeset	123
176 bc69564ef57b changes for 0.45 Matt Johnston <matt@ucc.asn.au> parents: 173 diff changeset	124 /* 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	125 * 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	126 * 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	127 * 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	128 * You can't enable both PASSWORD and PAM. */
121 9337c9f9a607 PAM improvements Matt Johnston <matt@ucc.asn.au> parents: 119 diff changeset	129
342 3e098639b05f From Erik Hovland Matt Johnston <matt@ucc.asn.au> parents: 337 diff changeset	130 /#define ENABLE_SVR_PASSWORD_AUTH/
3e098639b05f From Erik Hovland Matt Johnston <matt@ucc.asn.au> parents: 337 diff changeset	131 #define ENABLE_SVR_PAM_AUTH
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	132 #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	133
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	134 #define ENABLE_CLI_PASSWORD_AUTH
eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	135 #define ENABLE_CLI_PUBKEY_AUTH
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 236 diff changeset	136 #define ENABLE_CLI_INTERACT_AUTH
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137
173 257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	138 /* 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	139 * 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	140 * 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	141 * 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	142 * 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	143 /#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	144
149 ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	145 /* 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	146 * DROPBEAR_PRNGD_SOCKET.
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	147 * 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	148 * 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	149 * 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	150 * 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	151
149 ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	152 /* If you are lacking entropy on the system then using /dev/urandom
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	153 * will prevent Dropbear from blocking on the device. This could
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	154 * however significantly reduce the security of your ssh connections
176 bc69564ef57b changes for 0.45 Matt Johnston <matt@ucc.asn.au> parents: 173 diff changeset	155 * if the PRNG state becomes guessable - make sure you know what you are
bc69564ef57b changes for 0.45 Matt Johnston <matt@ucc.asn.au> parents: 173 diff changeset	156 * doing if you change this. */
149 ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	157 #define DROPBEAR_RANDOM_DEV "/dev/random"
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	158
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	159 /* 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	160 /#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	161
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 /* 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	163 * 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	164 /* 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	165 #ifndef MAX_UNAUTH_PER_IP
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	166 #define MAX_UNAUTH_PER_IP 5
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	167 #endif
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	168
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	169 /* 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	170 * come from many IPs */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171 #ifndef MAX_UNAUTH_CLIENTS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172 #define MAX_UNAUTH_CLIENTS 30
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174
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	175 /* 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	176 #ifndef MAX_AUTH_TRIES
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 #define MAX_AUTH_TRIES 10
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180 /* The file to store the daemon's process ID, for shutdown scripts etc */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181 #ifndef DROPBEAR_PIDFILE
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182 #define DROPBEAR_PIDFILE "/var/run/dropbear.pid"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	183 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	184
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 /* 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	186 * "-q" for quiet */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187 #ifndef XAUTH_COMMAND
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 #define XAUTH_COMMAND "/usr/X11R6/bin/xauth -q"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189 #endif
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 /* 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	192 * 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	193 * be enabled */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194 #ifndef SFTPSERVER_PATH
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195 #define SFTPSERVER_PATH "/usr/libexec/sftp-server"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	196 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	197
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	198 /* 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	199 * 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	200 #define _PATH_SSH_PROGRAM "/usr/bin/dbclient"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201
349 dba106bf6b34 Add (disabled by default) LOG_COMMANDS option to log the commands executed Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	202 /* 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	203 * (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	204 * 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	205 /* #define LOG_COMMANDS */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207 /*******************************************************************
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208 * You shouldn't edit below here unless you know you need to.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	209 *******************************************************************/
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	210
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211 #ifndef DROPBEAR_VERSION
337 bfa09e369e0e 0.49 is close to done. Matt Johnston <matt@ucc.asn.au> parents: 328 diff changeset	212 #define DROPBEAR_VERSION "0.49"
4 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 #define LOCAL_IDENT "SSH-2.0-dropbear_" DROPBEAR_VERSION
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	216 #define PROGNAME "dropbear"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	218 /* Spec recommends after one hour or 1 gigabyte of data. One hour
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219 * is a bit too verbose, so we try 8 hours */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	220 #ifndef KEX_REKEY_TIMEOUT
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	221 #define KEX_REKEY_TIMEOUT (3600 * 8)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	222 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	223 #ifndef KEX_REKEY_DATA
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224 #define KEX_REKEY_DATA (1<<30) /* 2^30 == 1GB, this value must be < INT_MAX */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	226 /* Close connections to clients which haven't authorised after AUTH_TIMEOUT */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	227 #ifndef AUTH_TIMEOUT
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	228 #define AUTH_TIMEOUT 300 /* we choose 5 minutes */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	229 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231 /* Minimum key sizes for DSS and RSA */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	232 #ifndef MIN_DSS_KEYLEN
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	233 #define MIN_DSS_KEYLEN 512
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	234 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	235 #ifndef MIN_RSA_KEYLEN
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236 #define MIN_RSA_KEYLEN 512
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	237 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	239 #define MAX_BANNER_SIZE 2000 /* this is 2580 chars, any more is foolish /
43 942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	240 #define MAX_BANNER_LINES 20 /* How many lines the client will display */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	241
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242 /* the number of NAME=VALUE pairs to malloc for environ, if we don't have
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	243 * the clearenv() function */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	244 #define ENV_SIZE 100
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	245
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	246 #define MAX_CMD_LEN 1024 /* max length of a command */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247 #define MAX_TERM_LEN 200 /* max length of TERM name */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	248
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	249 #define MAX_HOST_LEN 254 /* max hostname len for tcp fwding */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	250 #define MAX_IP_LEN 15 /* strlen("255.255.255.255") == 15 */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	251
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	252 #define DROPBEAR_MAX_PORTS 10 /* max number of ports which can be specified,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	253 ipv4 and ipv6 don't count twice */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	254
328 168272e481a8 increase the size of listening sockets if the port count increases Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	255 /* Each port might have at least a v4 and a v6 address */
168272e481a8 increase the size of listening sockets if the port count increases Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	256 #define MAX_LISTEN_ADDR (DROPBEAR_MAX_PORTS*3)
168272e481a8 increase the size of listening sockets if the port count increases Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	257
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	258 #define _PATH_TTY "/dev/tty"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	259
287 b72f98803e46 Update to scp from OpenSSH portable 4.3p2 Matt Johnston <matt@ucc.asn.au> parents: 277 diff changeset	260 #define _PATH_CP "/bin/cp"
b72f98803e46 Update to scp from OpenSSH portable 4.3p2 Matt Johnston <matt@ucc.asn.au> parents: 277 diff changeset	261
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	262 /* Timeouts in seconds */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	263 #define SELECT_TIMEOUT 20
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	264
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	265 /* success/failure defines */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	266 #define DROPBEAR_SUCCESS 0
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	267 #define DROPBEAR_FAILURE -1
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	268
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	269 /* various algorithm identifiers */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	270 #define DROPBEAR_KEX_DH_GROUP1 0
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	271
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	272 #define DROPBEAR_SIGNKEY_ANY 0
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	273 #define DROPBEAR_SIGNKEY_RSA 1
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	274 #define DROPBEAR_SIGNKEY_DSS 2
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	275 #define DROPBEAR_SIGNKEY_NONE 3
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	276
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	277 #define DROPBEAR_COMP_NONE 0
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	278 #define DROPBEAR_COMP_ZLIB 1
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	279
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280 /* Required for pubkey auth */
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	281 #if defined(ENABLE_SVR_PUBKEY_AUTH) \|\| defined(DROPBEAR_CLIENT)
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	282 #define DROPBEAR_SIGNKEY_VERIFY
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	283 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	284
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	285 /* SHA1 is 20 bytes == 160 bits */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	286 #define SHA1_HASH_SIZE 20
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	287 /* SHA512 is 64 bytes == 512 bits */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	288 #define SHA512_HASH_SIZE 64
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	289 /* MD5 is 16 bytes = 128 bits */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	290 #define MD5_HASH_SIZE 16
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	291
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	292 /* largest of MD5 and SHA1 */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	293 #define MAX_MAC_LEN SHA1_HASH_SIZE
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	294
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	295
233 225e6822ef53 bytes/bits in a comment. Matt Johnston <matt@ucc.asn.au> parents: 229 diff changeset	296 #define MAX_KEY_LEN 32 /* 256 bits for aes256 etc */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	297 #define MAX_IV_LEN 20 /* must be same as max blocksize,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	298 and >= SHA1_HASH_SIZE */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	299 #define MAX_MAC_KEY 20
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	300
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	301 #define MAX_NAME_LEN 64 /* maximum length of a protocol name, isn't
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	302 explicitly specified for all protocols (just
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	303 for algos) but seems valid */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	304
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	305 #define MAX_PROPOSED_ALGO 20
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	306
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	307 /* size/count limits */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	308
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	309 #define MAX_PACKET_LEN 35000
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	310 #define MIN_PACKET_LEN 16
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	311 #define MAX_PAYLOAD_LEN 32768
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	312
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	313 #define MAX_TRANS_PAYLOAD_LEN 32768
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	314 #define MAX_TRANS_PACKET_LEN (MAX_TRANS_PAYLOAD_LEN+50)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	315
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	316 #define MAX_TRANS_WINDOW 500000000 /* 500MB is sufficient, stopping overflow */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	317 #define MAX_TRANS_WIN_INCR 500000000 /* overflow prevention */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	318
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	319 #define MAX_STRING_LEN 1400 /* ~= MAX_PROPOSED_ALGO * MAX_NAME_LEN, also
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	320 is the max length for a password etc */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	321
257 63601217f5ab * options.h, common-kex.c: fix support of 4096 byte host keys Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	322 /* For a 4096 bit DSS key, empirically determined */
63601217f5ab * options.h, common-kex.c: fix support of 4096 byte host keys Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	323 #define MAX_PUBKEY_SIZE 1700
63601217f5ab * options.h, common-kex.c: fix support of 4096 byte host keys Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	324 /* For a 4096 bit DSS key, empirically determined */
63601217f5ab * options.h, common-kex.c: fix support of 4096 byte host keys Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	325 #define MAX_PRIVKEY_SIZE 1700
63601217f5ab * options.h, common-kex.c: fix support of 4096 byte host keys Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	326
63601217f5ab * options.h, common-kex.c: fix support of 4096 byte host keys Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	327 /* The maximum size of the bignum portion of the kexhash buffer */
63601217f5ab * options.h, common-kex.c: fix support of 4096 byte host keys Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	328 /* Sect. 8 of the transport draft, K_S + e + f + K */
63601217f5ab * options.h, common-kex.c: fix support of 4096 byte host keys Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	329 #define KEXHASHBUF_MAX_INTS (1700 + 130 + 130 + 130)
47 4b53a43f0082 - client pubkey auth works Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	330
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: 51 diff changeset	331 #define DROPBEAR_MAX_SOCKS 2 /* IPv4, IPv6 are all we'll get for now. Revisit
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: 51 diff changeset	332 in a few years time.... */
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: 51 diff changeset	333
173 257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	334 #define DROPBEAR_MAX_CLI_PASS 1024
257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	335
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 236 diff changeset	336 #define DROPBEAR_MAX_CLI_INTERACT_PROMPTS 80 /* The number of prompts we'll
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 236 diff changeset	337 accept for keyb-interactive
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 236 diff changeset	338 auth */
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 236 diff changeset	339
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	340 #if defined(DROPBEAR_AES256_CBC) \|\| defined(DROPBEAR_AES128_CBC)
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	341 #define DROPBEAR_AES_CBC
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	342 #endif
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	343
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	344 #if defined(DROPBEAR_TWOFISH256_CBC) \|\| defined(DROPBEAR_TWOFISH128_CBC)
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	345 #define DROPBEAR_TWOFISH_CBC
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	346 #endif
5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	347
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	348 #ifndef ENABLE_X11FWD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	349 #define DISABLE_X11FWD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	350 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	351
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	352 #ifndef ENABLE_AGENTFWD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	353 #define DISABLE_AGENTFWD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	354 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	355
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	356 #if defined(ENABLE_CLI_REMOTETCPFWD) \|\| defined(ENABLE_CLI_LOCALTCPFWD)
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	357 #define ENABLE_CLI_ANYTCPFWD
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	358 #endif
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	359
65 02e4a7f614f8 Oops, forgot to call the actual code. Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	360 #if defined(ENABLE_CLI_LOCALTCPFWD) \|\| defined(ENABLE_SVR_REMOTETCPFWD)
02e4a7f614f8 Oops, forgot to call the actual code. Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	361 #define DROPBEAR_TCP_ACCEPT
02e4a7f614f8 Oops, forgot to call the actual code. Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	362 #endif
02e4a7f614f8 Oops, forgot to call the actual code. Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	363
206 0d56e4b80dfb * defined USING_LISTENERS when tcp forwarding is enabled but not Matt Johnston <matt@ucc.asn.au> parents: 177 diff changeset	364 #if defined(ENABLE_CLI_REMOTETCPFWD) \|\| defined(ENABLE_CLI_LOCALTCPFWD) \|\| \
0d56e4b80dfb * defined USING_LISTENERS when tcp forwarding is enabled but not Matt Johnston <matt@ucc.asn.au> parents: 177 diff changeset	365 defined(ENABLE_SVR_REMOTETCPFWD) \|\| defined(ENABLE_SVR_LOCALTCPFWD) \|\| \
13 db2c8e6fb284 Fixed stupid agentfwd error (using the listening FD, not the accepted on. gah) Matt Johnston <matt@ucc.asn.au> parents: 9 diff changeset	366 defined(ENABLE_AGENTFWD) \|\| defined(ENABLE_X11FWD)
db2c8e6fb284 Fixed stupid agentfwd error (using the listening FD, not the accepted on. gah) Matt Johnston <matt@ucc.asn.au> parents: 9 diff changeset	367 #define USING_LISTENERS
db2c8e6fb284 Fixed stupid agentfwd error (using the listening FD, not the accepted on. gah) Matt Johnston <matt@ucc.asn.au> parents: 9 diff changeset	368 #endif
db2c8e6fb284 Fixed stupid agentfwd error (using the listening FD, not the accepted on. gah) Matt Johnston <matt@ucc.asn.au> parents: 9 diff changeset	369
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	370 #if defined(DROPBEAR_CLIENT) \|\| defined(ENABLE_SVR_PUBKEY_AUTH)
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 47 diff changeset	371 #define DROPBEAR_KEY_LINES /* ie we're using authorized_keys or known_hosts */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 47 diff changeset	372 #endif
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 47 diff changeset	373
119 3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam' Matt Johnston <matt@ucc.asn.au> parents: 118 diff changeset	374 #if defined(ENABLE_SVR_PASSWORD_AUTH) && defined(ENABLE_SVR_PAM_AUTH)
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam' Matt Johnston <matt@ucc.asn.au> parents: 118 diff changeset	375 #error "You can't turn on PASSWORD and PAM auth both at once. Fix it in options.h"
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam' Matt Johnston <matt@ucc.asn.au> parents: 118 diff changeset	376 #endif
3394a7cb30cd propagate of 08347df3bca787bd3621602fe2b466c85c9dc3e2 and 717950f4061f1123659ee87c7c168805af920ab7 from branch 'matt.dbclient.rez' to 'matt.dbclient.authpam' Matt Johnston <matt@ucc.asn.au> parents: 118 diff changeset	377
149 ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	378 #if defined(DROPBEAR_RANDOM_DEV) && defined(DROPBEAR_PRNGD_SOCKET)
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	379 #error "You can't turn on DROPBEAR_PRNGD_SOCKET and DROPBEAR_RANDOM_DEV at once"
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	380 #endif
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	381
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	382 #if !defined(DROPBEAR_RANDOM_DEV) && !defined(DROPBEAR_PRNGD_SOCKET)
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	383 #error "You must choose one of DROPBEAR_PRNGD_SOCKET or DROPBEAR_RANDOM_DEV in options.h"
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	384 #endif
ed9ca2a9705c Cleaned up the random code, use /dev/random by default, Matt Johnston <matt@ucc.asn.au> parents: 126 diff changeset	385
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	386 /* We use dropbear_client and dropbear_server as shortcuts to avoid redundant
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	387 * code, if we're just compiling as client or server */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	388 #if defined(DROPBEAR_SERVER) && defined(DROPBEAR_CLIENT)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	389
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	390 #define IS_DROPBEAR_SERVER (ses.isserver == 1)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	391 #define IS_DROPBEAR_CLIENT (ses.isserver == 0)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	392
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	393 #elif defined(DROPBEAR_SERVER)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	394
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	395 #define IS_DROPBEAR_SERVER 1
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	396 #define IS_DROPBEAR_CLIENT 0
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	397
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	398 #elif defined(DROPBEAR_CLIENT)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	399
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	400 #define IS_DROPBEAR_SERVER 0
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	401 #define IS_DROPBEAR_CLIENT 1
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	402
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	403 #else
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	404 #error You must compiled with either DROPBEAR_CLIENT or DROPBEAR_SERVER selected
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	405 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	406
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	407 #endif /* _OPTIONS_H_ */

Mercurial > dropbear

annotate options.h @ 350:01e4180895ba