dropbear: options.h annotate

annotate options.h @ 1340:5c9207ceedae

Added tag DROPBEAR_2017.75 for changeset c31276613181

author	Matt Johnston <matt@ucc.asn.au>
date	Thu, 18 May 2017 22:58:14 +0800
parents	739b3909c499
children	dc8f7997f10f

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
1036 deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions Thorsten Horstmann <thorsten.horstmann@web.de> parents: 1013 diff changeset	5 #ifndef DROPBEAR_OPTIONS_H_
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions Thorsten Horstmann <thorsten.horstmann@web.de> parents: 1013 diff changeset	6 #define DROPBEAR_OPTIONS_H_
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	7
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	8 /* Define compile-time options below - the "#ifndef DROPBEAR_XXX .... #endif"
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	9 * parts are to allow for commandline -DDROPBEAR_XXX options etc. */
ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	10
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	11 /* IMPORTANT: Many options will require "make clean" after changes */
4 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
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	29 #ifndef ECDSA_PRIV_FILENAME
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	30 #define ECDSA_PRIV_FILENAME "/etc/dropbear/dropbear_ecdsa_host_key"
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	31 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32
71 ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	33 /* 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	34 * 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	35 *
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	36 * 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	37 * 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	38 * 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	39 * 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	40 *
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	41 * 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	42 * one of them. */
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	43 #define NON_INETD_MODE
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	44 #define INETD_MODE
ac96bc733e71 adding inetd mode back from 0.43 Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	45
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 /* 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	47 * 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	48 * if you want to use this) */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 /#define NO_FAST_EXPTMOD/
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	51 /* Set this if you want to use the DROPBEAR_SMALL_CODE option. This can save
536 1037aabf701b - Turn DROPBEAR_SMALL_CODE off by default Matt Johnston <matt@ucc.asn.au> parents: 517 diff changeset	52 several kB in binary size however will make the symmetrical ciphers and hashes
1037aabf701b - Turn DROPBEAR_SMALL_CODE off by default Matt Johnston <matt@ucc.asn.au> parents: 517 diff changeset	53 slower, perhaps by 50%. Recommended for small systems that aren't doing
1037aabf701b - Turn DROPBEAR_SMALL_CODE off by default Matt Johnston <matt@ucc.asn.au> parents: 517 diff changeset	54 much traffic. */
804 34b73c9d8aa3 Enable SMALL_CODE by default Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	55 #define DROPBEAR_SMALL_CODE
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	56
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 /* Enable X11 Forwarding - server only */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58 #define ENABLE_X11FWD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60 /* 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	61 /* '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	62 * '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	63
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	64 #define ENABLE_CLI_LOCALTCPFWD
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	65 #define ENABLE_CLI_REMOTETCPFWD
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	66
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
604 810dfc792ca9 Compile fix for when both client and server agent forwarding is disabled Matt Johnston <matt@ucc.asn.au> parents: 596 diff changeset	70 /* Enable Authentication Agent Forwarding */
225 ca7e76d981d9 - progress towards client agent forwarding Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	71 #define ENABLE_SVR_AGENTFWD
ca7e76d981d9 - progress towards client agent forwarding Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	72 #define ENABLE_CLI_AGENTFWD
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73
508 d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	74
d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	75 /* Note: Both ENABLE_CLI_PROXYCMD and ENABLE_CLI_NETCAT must be set to
d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	76 * allow multihop dbclient connections */
d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	77
d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	78 /* Allow using -J <proxycommand> to run the connection through a
d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	79 pipe to a program, rather the normal TCP connection */
d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	80 #define ENABLE_CLI_PROXYCMD
d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	81
d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	82 /* Enable "Netcat mode" option. This will forward standard input/output
d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	83 * to a remote TCP-forwarded connection */
485 12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	84 #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	85
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 677 diff changeset	86 /* Whether to support "-c" and "-m" flags to choose ciphers/MACs at runtime */
683 63f8d6c469cf ENABLE_USER_ALGO_LIST should work for the client Matt Johnston <matt@ucc.asn.au> parents: 682 diff changeset	87 #define ENABLE_USER_ALGO_LIST
682 4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m" Matt Johnston <matt@ucc.asn.au> parents: 677 diff changeset	88
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89 /* Encryption - at least one required.
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	90 * 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	91 * 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	92 * (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	93 #define DROPBEAR_AES128
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	94 #define DROPBEAR_3DES
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	95 #define DROPBEAR_AES256
554 1d5a3df28b53 Disable Blowfish by default, it has inefficient key memory use Matt Johnston <matt@ucc.asn.au> parents: 536 diff changeset	96 /* Compiling in Blowfish will add ~6kB to runtime heap memory usage */
1d5a3df28b53 Disable Blowfish by default, it has inefficient key memory use Matt Johnston <matt@ucc.asn.au> parents: 536 diff changeset	97 /#define DROPBEAR_BLOWFISH/
1013 a1e79ffa5862 Tighten validation of DH values. Odds of x==0 being generated are Matt Johnston <matt@ucc.asn.au> parents: 996 diff changeset	98 #define DROPBEAR_TWOFISH256
a1e79ffa5862 Tighten validation of DH values. Odds of x==0 being generated are Matt Johnston <matt@ucc.asn.au> parents: 996 diff changeset	99 #define DROPBEAR_TWOFISH128
992 731f624af902 Add config option to disable cbc. Disable twofish by default Matt Johnston <matt@ucc.asn.au> parents: 988 diff changeset	100
731f624af902 Add config option to disable cbc. Disable twofish by default Matt Johnston <matt@ucc.asn.au> parents: 988 diff changeset	101 /* Enable CBC mode for ciphers. This has security issues though
731f624af902 Add config option to disable cbc. Disable twofish by default Matt Johnston <matt@ucc.asn.au> parents: 988 diff changeset	102 * is the most compatible with older SSH implementations */
731f624af902 Add config option to disable cbc. Disable twofish by default Matt Johnston <matt@ucc.asn.au> parents: 988 diff changeset	103 #define DROPBEAR_ENABLE_CBC_MODE
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	104
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	105 /* Enable "Counter Mode" for ciphers. This is more secure than normal
1087 1e486f368ec3 Disable twofish-ctr by default, add config option Matt Johnston <matt@ucc.asn.au> parents: 1036 diff changeset	106 * CBC mode against certain attacks. It is recommended for security
1e486f368ec3 Disable twofish-ctr by default, add config option Matt Johnston <matt@ucc.asn.au> parents: 1036 diff changeset	107 * and forwards compatibility */
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	108 #define DROPBEAR_ENABLE_CTR_MODE
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109
1087 1e486f368ec3 Disable twofish-ctr by default, add config option Matt Johnston <matt@ucc.asn.au> parents: 1036 diff changeset	110 /* Twofish counter mode is disabled by default because it
1e486f368ec3 Disable twofish-ctr by default, add config option Matt Johnston <matt@ucc.asn.au> parents: 1036 diff changeset	111 has not been tested for interoperability with other SSH implementations.
1e486f368ec3 Disable twofish-ctr by default, add config option Matt Johnston <matt@ucc.asn.au> parents: 1036 diff changeset	112 If you test it please contact the Dropbear author */
1e486f368ec3 Disable twofish-ctr by default, add config option Matt Johnston <matt@ucc.asn.au> parents: 1036 diff changeset	113 /* #define DROPBEAR_TWOFISH_CTR */
1e486f368ec3 Disable twofish-ctr by default, add config option Matt Johnston <matt@ucc.asn.au> parents: 1036 diff changeset	114
252 29afa62b5450 - a hack for grahame to run dropbear with "none" cipher. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	115 /* You can compile with no encryption if you want. In some circumstances
681 a4b7627b3157 Update insecure-nocrypto to current head Matt Johnston <matt@ucc.asn.au> parents: 680 512 diff changeset	116 * this could be safe security-wise, though make sure you know what
252 29afa62b5450 - a hack for grahame to run dropbear with "none" cipher. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	117 * you're doing. Anyone can see everything that goes over the wire, so
685 5af8993f7529 Add ALLOW_NONE_PASSWORD_AUTH option Matt Johnston <matt@ucc.asn.au> parents: 684 diff changeset	118 * the only safe auth method is public key. */
713 e22d5f5f6e37 Fix "-c none" so that it allows aes during authentication Matt Johnston <matt@ucc.asn.au> parents: 710 diff changeset	119 /* #define DROPBEAR_NONE_CIPHER */
512 0129fd8ccc71 Update nocrypto branch to current head Matt Johnston <matt@ucc.asn.au> parents: 511 diff changeset	120
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	121 /* Message Integrity - at least one required.
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 499 diff changeset	122 * Protocol RFC requires sha1 and recommends sha1-96.
670 349fb2dda2dd Improve comment about sha1-96 Matt Johnston <matt@ucc.asn.au> parents: 628 diff changeset	123 * sha1-96 is 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	124 *
670 349fb2dda2dd Improve comment about sha1-96 Matt Johnston <matt@ucc.asn.au> parents: 628 diff changeset	125 * There's no reason to disable sha1 or sha1-96 to save space since it's
349fb2dda2dd Improve comment about sha1-96 Matt Johnston <matt@ucc.asn.au> parents: 628 diff changeset	126 * used for the random number generator and public-key cryptography anyway.
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127 * 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	128 * of the ssh protocol.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129 *
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	130 * 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	131 * 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	132 * which are not the standard form. */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 #define DROPBEAR_SHA1_HMAC
228 5e4110bb753a - Fixed twofish algorithm naming so it actually works. Matt Johnston <matt@ucc.asn.au> parents: 220 diff changeset	134 #define DROPBEAR_SHA1_96_HMAC
988 6c0fb5428aaa Enable sha2 HMACs by default, they're required for ecdsa already Matt Johnston <matt@ucc.asn.au> parents: 963 diff changeset	135 #define DROPBEAR_SHA2_256_HMAC
6c0fb5428aaa Enable sha2 HMACs by default, they're required for ecdsa already Matt Johnston <matt@ucc.asn.au> parents: 963 diff changeset	136 #define DROPBEAR_SHA2_512_HMAC
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137 #define DROPBEAR_MD5_HMAC
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138
252 29afa62b5450 - a hack for grahame to run dropbear with "none" cipher. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	139 /* You can also disable integrity. Don't bother disabling this if you're
681 a4b7627b3157 Update insecure-nocrypto to current head Matt Johnston <matt@ucc.asn.au> parents: 680 512 diff changeset	140 * still using a cipher, it's relatively cheap. If you disable this it's dead
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	141 * simple for an attacker to run arbitrary commands on the remote host. Beware. */
713 e22d5f5f6e37 Fix "-c none" so that it allows aes during authentication Matt Johnston <matt@ucc.asn.au> parents: 710 diff changeset	142 /* #define DROPBEAR_NONE_INTEGRITY */
252 29afa62b5450 - a hack for grahame to run dropbear with "none" cipher. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	143
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144 /* 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	145 * 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	146 * 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	147 * SSH2 RFC Draft requires dss, recommends rsa */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148 #define DROPBEAR_RSA
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	149 #define DROPBEAR_DSS
850 7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 849 diff changeset	150 /* ECDSA is significantly faster than RSA or DSS. Compiling in ECC
7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 849 diff changeset	151 * code (either ECDSA or ECDH) increases binary size - around 30kB
7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 849 diff changeset	152 * on x86-64 */
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	153 #define DROPBEAR_ECDSA
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	155 /* Generate hostkeys as-needed when the first connection using that key type occurs.
f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	156 This avoids the need to otherwise run "dropbearkey" and avoids some problems
850 7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 849 diff changeset	157 with badly seeded /dev/urandom when systems first boot.
851 c1c1b43f78c2 comments, turn off debugging options Matt Johnston <matt@ucc.asn.au> parents: 850 diff changeset	158 This also requires a runtime flag "-R". This adds ~4kB to binary size (or hardly
c1c1b43f78c2 comments, turn off debugging options Matt Johnston <matt@ucc.asn.au> parents: 850 diff changeset	159 anything if dropbearkey is linked in a "dropbearmulti" binary) */
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	160 #define DROPBEAR_DELAY_HOSTKEY
755 b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc Matt Johnston <matt@ucc.asn.au> parents: 713 diff changeset	161
850 7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 849 diff changeset	162 /* Enable Curve25519 for key exchange. This is another elliptic
7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 849 diff changeset	163 * curve method with good security properties. Increases binary size
851 c1c1b43f78c2 comments, turn off debugging options Matt Johnston <matt@ucc.asn.au> parents: 850 diff changeset	164 * by ~8kB on x86-64 */
848 6c69e7df3621 curve25519 Matt Johnston <matt@ucc.asn.au> parents: 804 diff changeset	165 #define DROPBEAR_CURVE25519
6c69e7df3621 curve25519 Matt Johnston <matt@ucc.asn.au> parents: 804 diff changeset	166
850 7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 849 diff changeset	167 /* Enable elliptic curve Diffie Hellman key exchange, see note about
7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 849 diff changeset	168 * ECDSA above */
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	169 #define DROPBEAR_ECDH
f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	170
1248 739b3909c499 Get rid of group15, move group16 to sha512. Matt Johnston <matt@ucc.asn.au> parents: 1225 diff changeset	171 /* Group14 (2048 bit) is recommended. Group1 is less secure (1024 bit) though
739b3909c499 Get rid of group15, move group16 to sha512. Matt Johnston <matt@ucc.asn.au> parents: 1225 diff changeset	172 is the only option for interoperability with some older SSH programs */
739b3909c499 Get rid of group15, move group16 to sha512. Matt Johnston <matt@ucc.asn.au> parents: 1225 diff changeset	173 #define DROPBEAR_DH_GROUP1 1
739b3909c499 Get rid of group15, move group16 to sha512. Matt Johnston <matt@ucc.asn.au> parents: 1225 diff changeset	174 #define DROPBEAR_DH_GROUP14 1
739b3909c499 Get rid of group15, move group16 to sha512. Matt Johnston <matt@ucc.asn.au> parents: 1225 diff changeset	175
555 daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	176 /* Control the memory/performance/compression tradeoff for zlib.
605 53c21d4ec98a - Don't allow setting memLevel since that doesn't work properly Matt Johnston <matt@ucc.asn.au> parents: 596 diff changeset	177 * Set windowBits=8 for least memory usage, see your system's
555 daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	178 * zlib.h for full details.
605 53c21d4ec98a - Don't allow setting memLevel since that doesn't work properly Matt Johnston <matt@ucc.asn.au> parents: 596 diff changeset	179 * Default settings (windowBits=15) will use 256kB for compression
53c21d4ec98a - Don't allow setting memLevel since that doesn't work properly Matt Johnston <matt@ucc.asn.au> parents: 596 diff changeset	180 * windowBits=8 will use 129kB for compression.
53c21d4ec98a - Don't allow setting memLevel since that doesn't work properly Matt Johnston <matt@ucc.asn.au> parents: 596 diff changeset	181 * Both modes will use ~35kB for decompression (using windowBits=15 for
53c21d4ec98a - Don't allow setting memLevel since that doesn't work properly Matt Johnston <matt@ucc.asn.au> parents: 596 diff changeset	182 * interoperability) */
555 daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	183 #ifndef DROPBEAR_ZLIB_WINDOW_BITS
daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	184 #define DROPBEAR_ZLIB_WINDOW_BITS 15
daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	185 #endif
daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	186
996 47643024fc90 Disable non-delayed zlib for server Matt Johnston <matt@ucc.asn.au> parents: 995 diff changeset	187 /* Server won't allow zlib compression until after authentication. Prevents
47643024fc90 Disable non-delayed zlib for server Matt Johnston <matt@ucc.asn.au> parents: 995 diff changeset	188 flaws in the zlib library being unauthenticated exploitable flaws.
47643024fc90 Disable non-delayed zlib for server Matt Johnston <matt@ucc.asn.au> parents: 995 diff changeset	189 Some old ssh clients may not support the alternative [email protected] method */
47643024fc90 Disable non-delayed zlib for server Matt Johnston <matt@ucc.asn.au> parents: 995 diff changeset	190 #define DROPBEAR_SERVER_DELAY_ZLIB 1
47643024fc90 Disable non-delayed zlib for server Matt Johnston <matt@ucc.asn.au> parents: 995 diff changeset	191
172 3e49d8d18005 * respect DO_HOST_LOOKUP config option Matt Johnston <matt@ucc.asn.au> parents: 161 diff changeset	192 /* Whether to do reverse DNS lookups. */
857 c19acba28590 use oldstyle comments Matt Johnston <matt@ucc.asn.au> parents: 851 diff changeset	193 /#define DO_HOST_LOOKUP /
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195 /* 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	196 * size */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	197 #define DO_MOTD
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	198
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	199 /* The MOTD file path */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 #ifndef MOTD_FILENAME
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201 #define MOTD_FILENAME "/etc/motd"
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
121 9337c9f9a607 PAM improvements Matt Johnston <matt@ucc.asn.au> parents: 119 diff changeset	204 /* Authentication Types - at least one required.
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205 RFC Draft requires pubkey auth, and recommends password */
121 9337c9f9a607 PAM improvements Matt Johnston <matt@ucc.asn.au> parents: 119 diff changeset	206
628 d40f3cc47aed - Add ALLOW_BLANK_PASSWORD option Matt Johnston <matt@ucc.asn.au> parents: 606 diff changeset	207 /* Note: PAM auth is quite simple and only works for PAM modules which just do
176 bc69564ef57b changes for 0.45 Matt Johnston <matt@ucc.asn.au> parents: 173 diff changeset	208 * a simple "Login: " "Password: " (you can edit the strings in svr-authpam.c).
628 d40f3cc47aed - Add ALLOW_BLANK_PASSWORD option Matt Johnston <matt@ucc.asn.au> parents: 606 diff changeset	209 * It's useful for systems like OS X where standard password crypts don't work
d40f3cc47aed - Add ALLOW_BLANK_PASSWORD option Matt Johnston <matt@ucc.asn.au> parents: 606 diff changeset	210 * but there's an interface via a PAM module. It won't work for more complex
d40f3cc47aed - Add ALLOW_BLANK_PASSWORD option Matt Johnston <matt@ucc.asn.au> parents: 606 diff changeset	211 * PAM challenge/response.
176 bc69564ef57b changes for 0.45 Matt Johnston <matt@ucc.asn.au> parents: 173 diff changeset	212 * You can't enable both PASSWORD and PAM. */
121 9337c9f9a607 PAM improvements Matt Johnston <matt@ucc.asn.au> parents: 119 diff changeset	213
1159 f567a4152c14 Test for crypt() rather than crypt.h Matt Johnston <matt@ucc.asn.au> parents: 1158 diff changeset	214 /* This requires crypt() */
f567a4152c14 Test for crypt() rather than crypt.h Matt Johnston <matt@ucc.asn.au> parents: 1158 diff changeset	215 #ifdef HAVE_CRYPT
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	216 #define ENABLE_SVR_PASSWORD_AUTH
1157 14854ea32d2c fix default build when crypt() is unavailable Mike Frysinger <vapier@gentoo.org> parents: 1134 diff changeset	217 #endif
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	218 /* PAM requires ./configure --enable-pam */
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	219 /#define ENABLE_SVR_PAM_AUTH /
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	220 #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	221
566 b321aeb57c64 - set $SSH_ORIGINAL_COMMAND if a command is forced, and log it Matt Johnston <matt@ucc.asn.au> parents: 561 diff changeset	222 /* Whether to take public key options in
b321aeb57c64 - set $SSH_ORIGINAL_COMMAND if a command is forced, and log it Matt Johnston <matt@ucc.asn.au> parents: 561 diff changeset	223 * authorized_keys file into account */
475 52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	224 #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	225 #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	226 #endif
52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 473 diff changeset	227
1158 ef67b57fe438 fix default build when getpass() is unavailable Mike Frysinger <vapier@gentoo.org> parents: 1157 diff changeset	228 /* This requires getpass. */
ef67b57fe438 fix default build when getpass() is unavailable Mike Frysinger <vapier@gentoo.org> parents: 1157 diff changeset	229 #ifdef HAVE_GETPASS
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	230 #define ENABLE_CLI_PASSWORD_AUTH
1158 ef67b57fe438 fix default build when getpass() is unavailable Mike Frysinger <vapier@gentoo.org> parents: 1157 diff changeset	231 #define ENABLE_CLI_INTERACT_AUTH
ef67b57fe438 fix default build when getpass() is unavailable Mike Frysinger <vapier@gentoo.org> parents: 1157 diff changeset	232 #endif
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	233 #define ENABLE_CLI_PUBKEY_AUTH
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	234
995 6fb4c010c448 Default client key path ~/.ssh/id_dropbear Matt Johnston <matt@ucc.asn.au> parents: 992 diff changeset	235 /* A default argument for dbclient -i <privatekey>.
1134 36557295418e change DROPBEAR_DEFAULT_CLI_AUTHKEY to just prepend homedir Matt Johnston <matt@ucc.asn.au> parents: 1087 diff changeset	236 Homedir is prepended unless path begins with / */
36557295418e change DROPBEAR_DEFAULT_CLI_AUTHKEY to just prepend homedir Matt Johnston <matt@ucc.asn.au> parents: 1087 diff changeset	237 #define DROPBEAR_DEFAULT_CLI_AUTHKEY ".ssh/id_dropbear"
995 6fb4c010c448 Default client key path ~/.ssh/id_dropbear Matt Johnston <matt@ucc.asn.au> parents: 992 diff changeset	238
441 fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 437 diff changeset	239 /* 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	240 * 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	241 * 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	242 * 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	243 * 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	244 * 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	245 #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	246
173 257f09a63dab * add SSH_ASKPASS support (based on patch from Paul Whittaker Matt Johnston <matt@ucc.asn.au> parents: 172 diff changeset	247 /* 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	248 * 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	249 * 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	250 * 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	251 * 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	252 /#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	253
900 49ed526daedc CHANGES for 2014.63 Matt Johnston <matt@ucc.asn.au> parents: 883 diff changeset	254 /* Save a network roundtrip by sendng a real auth request immediately after
49ed526daedc CHANGES for 2014.63 Matt Johnston <matt@ucc.asn.au> parents: 883 diff changeset	255 * sending a query for the available methods. It is at the expense of < 100
49ed526daedc CHANGES for 2014.63 Matt Johnston <matt@ucc.asn.au> parents: 883 diff changeset	256 * bytes of extra network traffic. This is not yet enabled by default since it
49ed526daedc CHANGES for 2014.63 Matt Johnston <matt@ucc.asn.au> parents: 883 diff changeset	257 * could cause problems with non-compliant servers */
49ed526daedc CHANGES for 2014.63 Matt Johnston <matt@ucc.asn.au> parents: 883 diff changeset	258 /* #define DROPBEAR_CLI_IMMEDIATE_AUTH */
49ed526daedc CHANGES for 2014.63 Matt Johnston <matt@ucc.asn.au> parents: 883 diff changeset	259
687 167fdc091c05 Improve RNG seeding. Matt Johnston <matt@ucc.asn.au> parents: 683 diff changeset	260 /* Source for randomness. This must be able to provide hundreds of bytes per SSH
167fdc091c05 Improve RNG seeding. Matt Johnston <matt@ucc.asn.au> parents: 683 diff changeset	261 * connection without blocking. In addition /dev/random is used for seeding
167fdc091c05 Improve RNG seeding. Matt Johnston <matt@ucc.asn.au> parents: 683 diff changeset	262 * rsa/dss key generation */
167fdc091c05 Improve RNG seeding. Matt Johnston <matt@ucc.asn.au> parents: 683 diff changeset	263 #define DROPBEAR_URANDOM_DEV "/dev/urandom"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	264
687 167fdc091c05 Improve RNG seeding. Matt Johnston <matt@ucc.asn.au> parents: 683 diff changeset	265 /* Set this to use PRNGD or EGD instead of /dev/urandom or /dev/random */
167fdc091c05 Improve RNG seeding. Matt Johnston <matt@ucc.asn.au> parents: 683 diff changeset	266 /#define DROPBEAR_PRNGD_SOCKET "/var/run/dropbear-rng"/
442 d82a2a44c684 Add -u option to specify /dev/urandom instead Matt Johnston <matt@ucc.asn.au> parents: 441 diff changeset	267
4 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 /* 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	270 * 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	271 /* 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	272 #ifndef MAX_UNAUTH_PER_IP
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	273 #define MAX_UNAUTH_PER_IP 5
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	274 #endif
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	275
044bc108b9b3 * Per-IP connection unauthed connection limits Matt Johnston <matt@ucc.asn.au> parents: 266 diff changeset	276 /* 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	277 * come from many IPs */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	278 #ifndef MAX_UNAUTH_CLIENTS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	279 #define MAX_UNAUTH_CLIENTS 30
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	281
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	282 /* 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	283 #ifndef MAX_AUTH_TRIES
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	284 #define MAX_AUTH_TRIES 10
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	285 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	286
437 7319d229799a 0.49 probably done Matt Johnston <matt@ucc.asn.au> parents: 435 diff changeset	287 /* 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	288 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	289 #ifndef DROPBEAR_PIDFILE
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	290 #define DROPBEAR_PIDFILE "/var/run/dropbear.pid"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	291 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	292
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	293 /* 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	294 * "-q" for quiet */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	295 #ifndef XAUTH_COMMAND
963 dccaecc68c77 use xauth in /usr/bin Mike Frysinger <vapier@gentoo.org> parents: 939 diff changeset	296 #define XAUTH_COMMAND "/usr/bin/xauth -q"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	297 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	298
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	299 /* 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	300 * 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	301 * be enabled */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	302 #ifndef SFTPSERVER_PATH
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	303 #define SFTPSERVER_PATH "/usr/libexec/sftp-server"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	304 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	305
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	306 /* 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	307 * not using the Dropbear client, you'll need to change it */
1036 deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions Thorsten Horstmann <thorsten.horstmann@web.de> parents: 1013 diff changeset	308 #define DROPBEAR_PATH_SSH_PROGRAM "/usr/bin/dbclient"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	309
349 dba106bf6b34 Add (disabled by default) LOG_COMMANDS option to log the commands executed Matt Johnston <matt@ucc.asn.au> parents: 291 diff changeset	310 /* 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	311 * (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	312 * 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	313 /* #define LOG_COMMANDS */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	314
448 9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	315 /* 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	316 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	317 /* 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	318 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	319 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	320 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	321 runtime with the -W argument. */
555 daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	322 #ifndef DEFAULT_RECV_WINDOW
449 3e6c536bc023 Add -W <windowsize> argument and document it. Matt Johnston <matt@ucc.asn.au> parents: 448 diff changeset	323 #define DEFAULT_RECV_WINDOW 24576
555 daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	324 #endif
448 9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	325 /* 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	326 in order to interoperate with other implementations */
555 daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	327 #ifndef RECV_MAX_PAYLOAD_LEN
448 9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	328 #define RECV_MAX_PAYLOAD_LEN 32768
555 daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	329 #endif
448 9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	330 /* 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	331 though increasing it may not make a significant difference. */
555 daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	332 #ifndef TRANS_MAX_PAYLOAD_LEN
448 9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	333 #define TRANS_MAX_PAYLOAD_LEN 16384
555 daf52f813328 - Add option to change zlib windowBits/memLevel Matt Johnston <matt@ucc.asn.au> parents: 554 diff changeset	334 #endif
448 9c61e7af0156 Rearrange the channel buffer sizes into three neat use-editable values in Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	335
454 7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	336 /* 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	337 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	338 #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	339
939 a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval Matt Johnston <matt@ucc.asn.au> parents: 900 diff changeset	340 /* If this many KEEPALIVES are sent with no packets received from the
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval Matt Johnston <matt@ucc.asn.au> parents: 900 diff changeset	341 other side, exit. Not run-time configurable - if you have a need
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval Matt Johnston <matt@ucc.asn.au> parents: 900 diff changeset	342 for runtime configuration please mail the Dropbear list */
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval Matt Johnston <matt@ucc.asn.au> parents: 900 diff changeset	343 #define DEFAULT_KEEPALIVE_LIMIT 3
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval Matt Johnston <matt@ucc.asn.au> parents: 900 diff changeset	344
513 a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server Matt Johnston <matt@ucc.asn.au> parents: 510 diff changeset	345 /* Ensure that data is received within IDLE_TIMEOUT seconds. This can
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server Matt Johnston <matt@ucc.asn.au> parents: 510 diff changeset	346 be overridden at runtime with -I. 0 disables idle timeouts */
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server Matt Johnston <matt@ucc.asn.au> parents: 510 diff changeset	347 #define DEFAULT_IDLE_TIMEOUT 0
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server Matt Johnston <matt@ucc.asn.au> parents: 510 diff changeset	348
508 d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	349 /* The default path. This will often get replaced by the shell */
510 b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 508 diff changeset	350 #define DEFAULT_PATH "/usr/bin:/bin"
508 d4bbc0039008 - Set a default path, since bash won't export one otherwise (though it will set Matt Johnston <matt@ucc.asn.au> parents: 503 diff changeset	351
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	352 /* 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	353 * 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	354 #include "sysoptions.h"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	355
1036 deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions Thorsten Horstmann <thorsten.horstmann@web.de> parents: 1013 diff changeset	356 #endif /* DROPBEAR_OPTIONS_H_ */

Mercurial > dropbear

annotate options.h @ 1340:5c9207ceedae