dropbear: default_options.h.in annotate

annotate default_options.h.in @ 1503:78d8c3ffdfe1

use NULL instead of 0

author	Francois Perrad <francois.perrad@gadz.org>
date	Thu, 25 Jan 2018 18:19:49 +0100
parents	2d450c1056e3
children	6c16a05023aa

rev	line source
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	1 #ifndef DROPBEAR_DEFAULT_OPTIONS_H_
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	2 #define DROPBEAR_DEFAULT_OPTIONS_H_
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	3 /*
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	4 > > > Read This < < <
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	5
1488 abbdeca6f1bd Fix building default_options.h Matt Johnston <matt@ucc.asn.au> parents: 1445 diff changeset	6 default_options.h.in documents compile-time options, and provides default values.
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	7
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	8 Local customisation should be added to localoptions.h which is
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	9 used if it exists. Options defined there will override any options in this
1488 abbdeca6f1bd Fix building default_options.h Matt Johnston <matt@ucc.asn.au> parents: 1445 diff changeset	10 file.
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	11
1438 4f8eb331174f add configuration option for default RSA size. Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	12 Options can also be defined with -DDROPBEAR_XXX in Makefile CFLAGS
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	13
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	14 IMPORTANT: Many options will require "make clean" after changes */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	15
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	16 #define DROPBEAR_DEFPORT "22"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	17
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	18 /* Listen on all interfaces */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	19 #define DROPBEAR_DEFADDRESS ""
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	20
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	21 /* Default hostkey paths - these can be specified on the command line */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 #define DSS_PRIV_FILENAME "/etc/dropbear/dropbear_dss_host_key"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	23 #define RSA_PRIV_FILENAME "/etc/dropbear/dropbear_rsa_host_key"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	24 #define ECDSA_PRIV_FILENAME "/etc/dropbear/dropbear_ecdsa_host_key"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	25
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 /* Set NON_INETD_MODE if you require daemon functionality (ie Dropbear listens
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 * on chosen ports and keeps accepting connections. This is the default.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	28 *
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	29 * Set INETD_MODE if you want to be able to run Dropbear with inetd (or
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	30 * similar), where it will use stdin/stdout for connections, and each process
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	31 * lasts for a single connection. Dropbear should be invoked with the -i flag
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32 * for inetd, and can only accept IPv4 connections.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	33 *
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34 * Both of these flags can be defined at once, don't compile without at least
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	35 * one of them. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	36 #define NON_INETD_MODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	37 #define INETD_MODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	39 #if !(NON_INETD_MODE \|\| INETD_MODE)
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	40 #error "NON_INETD_MODE or INETD_MODE (or both) must be enabled."
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	41 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	42
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	43 /* Set this if you want to use the DROPBEAR_SMALL_CODE option. This can save
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	44 several kB in binary size however will make the symmetrical ciphers and hashes
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45 slower, perhaps by 50%. Recommended for small systems that aren't doing
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 much traffic. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47 #define DROPBEAR_SMALL_CODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 /* Enable X11 Forwarding - server only */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50 #define DROPBEAR_X11FWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52 /* Enable TCP Fowarding */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 /* 'Local' is "-L" style (client listening port forwarded via server)
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 * 'Remote' is "-R" style (server listening port forwarded via client) */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56 #define DROPBEAR_CLI_LOCALTCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57 #define DROPBEAR_CLI_REMOTETCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 #define DROPBEAR_SVR_LOCALTCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60 #define DROPBEAR_SVR_REMOTETCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 /* Enable Authentication Agent Forwarding */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63 #define DROPBEAR_SVR_AGENTFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 #define DROPBEAR_CLI_AGENTFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67 /* Note: Both DROPBEAR_CLI_PROXYCMD and DROPBEAR_CLI_NETCAT must be set to
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 * allow multihop dbclient connections */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	70 /* Allow using -J <proxycommand> to run the connection through a
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71 pipe to a program, rather the normal TCP connection */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72 #define DROPBEAR_CLI_PROXYCMD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	74 /* Enable "Netcat mode" option. This will forward standard input/output
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	75 * to a remote TCP-forwarded connection */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	76 #define DROPBEAR_CLI_NETCAT 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	77
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78 /* Whether to support "-c" and "-m" flags to choose ciphers/MACs at runtime */
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	79 #define DROPBEAR_USER_ALGO_LIST 1
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	81 /* Encryption - at least one required.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	82 * Protocol RFC requires 3DES and recommends AES128 for interoperability.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 * Including multiple keysize variants the same cipher
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	84 * (eg AES256 as well as AES128) will result in a minimal size increase.*/
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	85 #define DROPBEAR_AES128 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	86 #define DROPBEAR_3DES 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 #define DROPBEAR_AES256 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	88 #define DROPBEAR_TWOFISH256 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89 #define DROPBEAR_TWOFISH128 1
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	90 /* Compiling in Blowfish will add ~6kB to runtime heap memory usage */
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	91 #define DROPBEAR_BLOWFISH 0
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	92
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	93 #if !(DROPBEAR_AES128 \|\| DROPBEAR_3DES \|\| DROPBEAR_AES256 \|\| DROPBEAR_BLOWFISH \
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	94 \|\| DROPBEAR_TWOFISH256 \|\| DROPBEAR_TWOFISH128)
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	95 #error "At least one encryption algorithm must be enabled; 3DES and AES128 are recommended."
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	96 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	97
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	98 /* Enable CBC mode for ciphers. This has security issues though
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	99 * is the most compatible with older SSH implementations */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	100 #define DROPBEAR_ENABLE_CBC_MODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	101
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	102 /* Enable "Counter Mode" for ciphers. This is more secure than normal
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	103 * CBC mode against certain attacks. It is recommended for security
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	104 * and forwards compatibility */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	105 #define DROPBEAR_ENABLE_CTR_MODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	106
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	107 /* Twofish counter mode is disabled by default because it
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108 has not been tested for interoperability with other SSH implementations.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 If you test it please contact the Dropbear author */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110 #define DROPBEAR_TWOFISH_CTR 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 /* Message integrity. sha2-256 is recommended as a default,
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113 sha1 for compatibility */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114 #define DROPBEAR_SHA1_HMAC 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	115 #define DROPBEAR_SHA1_96_HMAC 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116 #define DROPBEAR_SHA2_256_HMAC 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	117 /* Default is to include it is sha512 is being compiled in for ECDSA */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	118 #define DROPBEAR_SHA2_512_HMAC (DROPBEAR_ECDSA)
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	119
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	120 /* XXX needed for fingerprints */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	121 #define DROPBEAR_MD5_HMAC 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	123 /* Hostkey/public key algorithms - at least one required, these are used
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124 * for hostkey as well as for verifying signatures with pubkey auth.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	125 * Removing either of these won't save very much space.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	126 * RSA is recommended
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127 * DSS may be necessary to connect to some systems though
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	128 is not recommended for new keys */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129 #define DROPBEAR_RSA 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130 #define DROPBEAR_DSS 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 /* ECDSA is significantly faster than RSA or DSS. Compiling in ECC
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132 * code (either ECDSA or ECDH) increases binary size - around 30kB
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 * on x86-64 */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 #define DROPBEAR_ECDSA 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	136 #if !(DROPBEAR_RSA \|\| DROPBEAR_DSS \|\| DROPBEAR_ECDSA)
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	137 #error "At least one hostkey or public-key algorithm must be enabled; RSA is recommended."
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	138 #endif
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	139
1438 4f8eb331174f add configuration option for default RSA size. Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	140 /* RSA must be >=1024 */
4f8eb331174f add configuration option for default RSA size. Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	141 #define DROPBEAR_DEFAULT_RSA_SIZE 2048
4f8eb331174f add configuration option for default RSA size. Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	142 /* DSS is always 1024 */
4f8eb331174f add configuration option for default RSA size. Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	143 /* ECDSA defaults to largest size configured, usually 521 */
4f8eb331174f add configuration option for default RSA size. Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	144
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145 /* Add runtime flag "-R" to generate hostkeys as-needed when the first
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146 connection using that key type occurs.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	147 This avoids the need to otherwise run "dropbearkey" and avoids some problems
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148 with badly seeded /dev/urandom when systems first boot. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	149 #define DROPBEAR_DELAY_HOSTKEY 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	150
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	151 /* Enable Curve25519 for key exchange. This is another elliptic
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	152 * curve method with good security properties. Increases binary size
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153 * by ~8kB on x86-64 */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154 #define DROPBEAR_CURVE25519 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	155
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	156 /* Enable elliptic curve Diffie Hellman key exchange, see note about
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	157 * ECDSA above */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	158 #define DROPBEAR_ECDH 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160 /* Key exchange algorithm.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161 * group14_sha1 - 2048 bit, sha1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 * group14_sha256 - 2048 bit, sha2-256
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163 * group16 - 4096 bit, sha2-512
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	164 * group1 - 1024 bit, sha1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	165 *
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	166 * group14 is supported by most implementations.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	167 * group16 provides a greater strength level but is slower and increases binary size
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	168 * group1 is too small for security though is necessary if you need
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169 compatibility with some implementations such as Dropbear versions < 0.53
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	170 */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171 #define DROPBEAR_DH_GROUP1 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172 #define DROPBEAR_DH_GROUP14_SHA1 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 #define DROPBEAR_DH_GROUP14_SHA256 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174 #define DROPBEAR_DH_GROUP16 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176 /* Control the memory/performance/compression tradeoff for zlib.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 * Set windowBits=8 for least memory usage, see your system's
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178 * zlib.h for full details.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179 * Default settings (windowBits=15) will use 256kB for compression
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180 * windowBits=8 will use 129kB for compression.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181 * Both modes will use ~35kB for decompression (using windowBits=15 for
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182 * interoperability) */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	183 #define DROPBEAR_ZLIB_WINDOW_BITS 15
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	184
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 /* Whether to do reverse DNS lookups. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	186 #define DO_HOST_LOOKUP 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 /* Whether to print the message of the day (MOTD). */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189 #define DO_MOTD 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	190
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	191 /* The MOTD file path */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192 #define MOTD_FILENAME "/etc/motd"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	193
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194 /* Authentication Types - at least one required.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195 RFC Draft requires pubkey auth, and recommends password */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	196
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	197 /* Note: PAM auth is quite simple and only works for PAM modules which just do
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	198 * a simple "Login: " "Password: " (you can edit the strings in svr-authpam.c).
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	199 * It's useful for systems like OS X where standard password crypts don't work
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 * but there's an interface via a PAM module. It won't work for more complex
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201 * PAM challenge/response.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202 * You can't enable both PASSWORD and PAM. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	203
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	204 /* PAM requires ./configure --enable-pam */
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	205 #if defined(HAVE_LIBPAM) && !DROPBEAR_SVR_PASSWORD_AUTH
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	206 #define DROPBEAR_SVR_PAM_AUTH 1
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	207 #else
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	208 #define DROPBEAR_SVR_PAM_AUTH 0
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	209 #endif
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	210
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211 /* This requires crypt() */
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	212 #if defined(HAVE_CRYPT) && !DROPBEAR_SVR_PAM_AUTH
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	213 #define DROPBEAR_SVR_PASSWORD_AUTH 1
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214 #else
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	215 #define DROPBEAR_SVR_PASSWORD_AUTH 0
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	216 #endif
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	217
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	218 #define DROPBEAR_SVR_PUBKEY_AUTH 1
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	219
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	220 #if !(DROPBEAR_SVR_PASSWORD_AUTH \|\| DROPBEAR_SVR_PAM_AUTH \|\| DROPBEAR_SVR_PUBKEY_AUTH)
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	221 #error "At least one server authentication type must be enabled; PUBKEY and PASSWORD are recommended."
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	222 #endif
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	223
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	224 #if DROPBEAR_SVR_PASSWORD_AUTH && !HAVE_CRYPT
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	225 #error "DROPBEAR_SVR_PASSWORD_AUTH requires `crypt()'."
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	226 #endif
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	227
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	228 #if DROPBEAR_SVR_PAM_AUTH
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	229 #if DISABLE_PAM
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	230 #error "DROPBEAR_SVR_PAM_AUTH requires 'configure --enable-pam' to succeed."
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	231 #endif
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	232 #if DROPBEAR_SVR_PASSWORD_AUTH
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	233 #error "DROPBEAR_SVR_PASSWORD_AUTH cannot be enabled at the same time as DROPBEAR_SVR_PAM_AUTH."
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	234 #endif
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	235 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	237 /* Whether to take public key options in
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238 * authorized_keys file into account */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	239 #define DROPBEAR_SVR_PUBKEY_OPTIONS 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	240
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	241 /* This requires getpass. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242 #ifdef HAVE_GETPASS
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	243 #define DROPBEAR_CLI_PASSWORD_AUTH 1
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	244 #define DROPBEAR_CLI_INTERACT_AUTH 1
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	245 #else
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	246 #define DROPBEAR_CLI_PASSWORD_AUTH 0
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	247 #define DROPBEAR_CLI_INTERACT_AUTH 0
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	248 #endif
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	249 #define DROPBEAR_CLI_PUBKEY_AUTH 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	250
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	251 #if !(DROPBEAR_CLI_PASSWORD_AUTH \|\| DROPBEAR_CLI_PUBKEY_AUTH)
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	252 #error "At least one client authentication type must be enabled; PUBKEY and PASSWORD are recommended."
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	253 #endif
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	254
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	255 /* A default argument for dbclient -i <privatekey>.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	256 Homedir is prepended unless path begins with / */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	257 #define DROPBEAR_DEFAULT_CLI_AUTHKEY ".ssh/id_dropbear"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	258
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	259 /* This variable can be used to set a password for client
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	260 * authentication on the commandline. Beware of platforms
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	261 * that don't protect environment variables of processes etc. Also
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	262 * note that it will be provided for all "hidden" client-interactive
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	263 * style prompts - if you want something more sophisticated, use
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	264 * SSH_ASKPASS instead. Comment out this var to remove this functionality.*/
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	265 #define DROPBEAR_USE_DROPBEAR_PASSWORD 1
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	266
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	267 /* Define this (as well as DROPBEAR_CLI_PASSWORD_AUTH) to allow the use of
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	268 * a helper program for the ssh client. The helper program should be
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	269 * specified in the SSH_ASKPASS environment variable, and dbclient
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	270 * should be run with DISPLAY set and no tty. The program should
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	271 * return the password on standard output */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	272 #define DROPBEAR_CLI_ASKPASS_HELPER 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	273
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	274 #if DROPBEAR_CLI_ASKPASS_HELPER
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	275 #define DROPBEAR_CLI_PASSWORD_AUTH 1
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	276 #endif
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	277
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	278 /* Save a network roundtrip by sendng a real auth request immediately after
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	279 * sending a query for the available methods. It is at the expense of < 100
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280 * bytes of extra network traffic. This is not yet enabled by default since it
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	281 * could cause problems with non-compliant servers */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	282 #define DROPBEAR_CLI_IMMEDIATE_AUTH 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	283
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	284 /* Source for randomness. This must be able to provide hundreds of bytes per SSH
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	285 * connection without blocking. In addition /dev/random is used for seeding
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	286 * rsa/dss key generation */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	287 #define DROPBEAR_URANDOM_DEV "/dev/urandom"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	288
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	289 /* Set this to use PRNGD or EGD instead of /dev/urandom or /dev/random */
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	290 #define DROPBEAR_USE_PRNGD 0
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	291 #define DROPBEAR_PRNGD_SOCKET "/var/run/dropbear-rng"
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	292
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	293 /* Specify the number of clients we will allow to be connected but
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	294 * not yet authenticated. After this limit, connections are rejected */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	295 /* The first setting is per-IP, to avoid denial of service */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	296 #define MAX_UNAUTH_PER_IP 5
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	297
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	298 /* And then a global limit to avoid chewing memory if connections
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	299 * come from many IPs */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	300 #define MAX_UNAUTH_CLIENTS 30
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	301
1445 a3a96dbf9a58 Use MAX_AUTH_TRIES rather than DEFAULT_AUTH_TRIES, don't limit argument range Matt Johnston <matt@ucc.asn.au> parents: 1442 diff changeset	302 /* Default maximum number of failed authentication tries (server option) */
a3a96dbf9a58 Use MAX_AUTH_TRIES rather than DEFAULT_AUTH_TRIES, don't limit argument range Matt Johnston <matt@ucc.asn.au> parents: 1442 diff changeset	303 /* -T server option overrides */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	304 #define MAX_AUTH_TRIES 10
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	305
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	306 /* The default file to store the daemon's process ID, for shutdown
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	307 scripts etc. This can be overridden with the -P flag */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	308 #define DROPBEAR_PIDFILE "/var/run/dropbear.pid"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	309
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	310 /* The command to invoke for xauth when using X11 forwarding.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	311 * "-q" for quiet */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	312 #define XAUTH_COMMAND "/usr/bin/xauth -q"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	313
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	314 #define DROPBEAR_SFTPSERVER 1
2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1494 diff changeset	315
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	316 /* if you want to enable running an sftp server (such as the one included with
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	317 * OpenSSH), set the path below. If the path isn't defined, sftp will not
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	318 * be enabled */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	319 #define SFTPSERVER_PATH "/usr/libexec/sftp-server"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	320
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	321 /* This is used by the scp binary when used as a client binary. If you're
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	322 * not using the Dropbear client, you'll need to change it */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	323 #define DROPBEAR_PATH_SSH_PROGRAM "/usr/bin/dbclient"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	324
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	325 /* Whether to log commands executed by a client. This only logs the
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	326 * (single) command sent to the server, not what a user did in a
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	327 * shell/sftp session etc. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	328 #define LOG_COMMANDS 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	329
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	330 /* Window size limits. These tend to be a trade-off between memory
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	331 usage and network performance: */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	332 /* Size of the network receive window. This amount of memory is allocated
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	333 as a per-channel receive buffer. Increasing this value can make a
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	334 significant difference to network performance. 24kB was empirically
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	335 chosen for a 100mbit ethernet network. The value can be altered at
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	336 runtime with the -W argument. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	337 #define DEFAULT_RECV_WINDOW 24576
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	338 /* Maximum size of a received SSH data packet - this _MUST_ be >= 32768
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	339 in order to interoperate with other implementations */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	340 #define RECV_MAX_PAYLOAD_LEN 32768
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	341 /* Maximum size of a transmitted data packet - this can be any value,
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	342 though increasing it may not make a significant difference. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	343 #define TRANS_MAX_PAYLOAD_LEN 16384
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	344
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	345 /* Ensure that data is transmitted every KEEPALIVE seconds. This can
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	346 be overridden at runtime with -K. 0 disables keepalives */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	347 #define DEFAULT_KEEPALIVE 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	348
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	349 /* If this many KEEPALIVES are sent with no packets received from the
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	350 other side, exit. Not run-time configurable - if you have a need
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	351 for runtime configuration please mail the Dropbear list */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	352 #define DEFAULT_KEEPALIVE_LIMIT 3
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	353
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	354 /* Ensure that data is received within IDLE_TIMEOUT seconds. This can
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	355 be overridden at runtime with -I. 0 disables idle timeouts */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	356 #define DEFAULT_IDLE_TIMEOUT 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	357
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	358 /* The default path. This will often get replaced by the shell */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	359 #define DEFAULT_PATH "/usr/bin:/bin"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	360
1494 da095983a60b Move DEBUG_TRACE to default_options Matt Johnston <matt@ucc.asn.au> parents: 1488 diff changeset	361 /* Include verbose debug output, enabled with -v at runtime.
da095983a60b Move DEBUG_TRACE to default_options Matt Johnston <matt@ucc.asn.au> parents: 1488 diff changeset	362 * This will add a reasonable amount to your executable size. */
da095983a60b Move DEBUG_TRACE to default_options Matt Johnston <matt@ucc.asn.au> parents: 1488 diff changeset	363 #define DEBUG_TRACE 0
da095983a60b Move DEBUG_TRACE to default_options Matt Johnston <matt@ucc.asn.au> parents: 1488 diff changeset	364
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	365 #endif /* DROPBEAR_DEFAULT_OPTIONS_H_ */

Mercurial > dropbear

annotate default_options.h.in @ 1503:78d8c3ffdfe1