dropbear: default_options.h.in annotate

annotate default_options.h.in @ 1386:f0990c284663 fuzz

fuzzer-preauth don't call getpwnam(), bring back longjmp

author	Matt Johnston <matt@ucc.asn.au>
date	Fri, 02 Jun 2017 00:03:51 +0800
parents	750ec4ec4cbe
children	4f8eb331174f

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
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6 default_options.h.in (this file) documents compile-time options, and provides
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	7 default values.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	8
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	9 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	10 used if it exists. Options defined there will override any options in this
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	11 file (#ifndef guards added by ifndef_wrapper.sh).
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	12
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	13 Options can also be defined with -DDROPBEAR_XXX Makefile CFLAGS
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	14
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	15 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	16
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	17 #define DROPBEAR_DEFPORT "22"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	18
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	19 /* Listen on all interfaces */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	20 #define DROPBEAR_DEFADDRESS ""
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	21
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 /* 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	23 #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	24 #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	25 #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	26
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 /* 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	28 * 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	29 *
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	30 * 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	31 * 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	32 * 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	33 * 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	34 *
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	35 * 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	36 * one of them. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	37 #define NON_INETD_MODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38 #define INETD_MODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	39
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	40 /* Setting this disables the fast exptmod bignum code. It saves ~5kB, but is
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	41 * perhaps 20% slower for pubkey operations (it is probably worth experimenting
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	42 * if you want to use this) */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	43 /#define NO_FAST_EXPTMOD/
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	44
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45 /* 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	46 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	47 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	48 much traffic. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 #define DROPBEAR_SMALL_CODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51 /* Enable X11 Forwarding - server only */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52 #define DROPBEAR_X11FWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 /* Enable TCP Fowarding */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 /* '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	56 * '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	57
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58 #define DROPBEAR_CLI_LOCALTCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 #define DROPBEAR_CLI_REMOTETCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61 #define DROPBEAR_SVR_LOCALTCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 #define DROPBEAR_SVR_REMOTETCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 /* Enable Authentication Agent Forwarding */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 #define DROPBEAR_SVR_AGENTFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66 #define DROPBEAR_CLI_AGENTFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69 /* 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	70 * allow multihop dbclient connections */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72 /* 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	73 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	74 #define DROPBEAR_CLI_PROXYCMD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	75
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	76 /* 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	77 * to a remote TCP-forwarded connection */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78 #define DROPBEAR_CLI_NETCAT 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80 /* Whether to support "-c" and "-m" flags to choose ciphers/MACs at runtime */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	81 #define ENABLE_USER_ALGO_LIST 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	82
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 /* Encryption - at least one required.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	84 * 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	85 * Including multiple keysize variants the same cipher
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	86 * (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	87 #define DROPBEAR_AES128 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	88 #define DROPBEAR_3DES 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89 #define DROPBEAR_AES256 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	90 /* Compiling in Blowfish will add ~6kB to runtime heap memory usage */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	91 /#define DROPBEAR_BLOWFISH/
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	92 #define DROPBEAR_TWOFISH256 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	93 #define DROPBEAR_TWOFISH128 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	94
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	95 /* 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	96 * 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	97 #define DROPBEAR_ENABLE_CBC_MODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	98
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	99 /* 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	100 * 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	101 * and forwards compatibility */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	102 #define DROPBEAR_ENABLE_CTR_MODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	103
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	104 /* 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	105 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	106 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	107 #define DROPBEAR_TWOFISH_CTR 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 /* 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	110 sha1 for compatibility */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111 #define DROPBEAR_SHA1_HMAC 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 #define DROPBEAR_SHA1_96_HMAC 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113 #define DROPBEAR_SHA2_256_HMAC 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114 /* 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	115 #define DROPBEAR_SHA2_512_HMAC (DROPBEAR_ECDSA)
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	117 /* XXX needed for fingerprints */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	118 #define DROPBEAR_MD5_HMAC 0
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 /* 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	121 * 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	122 * 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	123 * RSA is recommended
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124 * 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	125 is not recommended for new keys */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	126 #define DROPBEAR_RSA 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127 #define DROPBEAR_DSS 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	128 /* 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	129 * 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	130 * on x86-64 */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 #define DROPBEAR_ECDSA 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 /* 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	134 connection using that key type occurs.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135 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	136 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	137 #define DROPBEAR_DELAY_HOSTKEY 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139 /* 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	140 * 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	141 * by ~8kB on x86-64 */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 #define DROPBEAR_CURVE25519 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144 /* 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	145 * ECDSA above */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146 #define DROPBEAR_ECDH 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	147
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148 /* Key exchange algorithm.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	149 * group14_sha1 - 2048 bit, sha1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	150 * group14_sha256 - 2048 bit, sha2-256
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	151 * group16 - 4096 bit, sha2-512
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	152 * group1 - 1024 bit, sha1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153 *
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154 * group14 is supported by most implementations.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	155 * 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	156 * 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	157 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	158 */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 #define DROPBEAR_DH_GROUP1 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160 #define DROPBEAR_DH_GROUP14_SHA1 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161 #define DROPBEAR_DH_GROUP14_SHA256 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 #define DROPBEAR_DH_GROUP16 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	164 /* 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	165 * 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	166 * zlib.h for full details.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	167 * 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	168 * windowBits=8 will use 129kB for compression.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169 * 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	170 * interoperability) */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171 #define DROPBEAR_ZLIB_WINDOW_BITS 15
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 /* Whether to do reverse DNS lookups. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174 #define DO_HOST_LOOKUP 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 /* 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	177 #define DO_MOTD 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179 /* The MOTD file path */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180 #define MOTD_FILENAME "/etc/motd"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182 /* Authentication Types - at least one required.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	183 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	184
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 /* 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	186 * 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	187 * 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	188 * 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	189 * PAM challenge/response.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	190 * 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	191
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192 /* This requires crypt() */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	193 #ifdef HAVE_CRYPT
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194 #define DROPBEAR_SVR_PASSWORD_AUTH 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195 #else
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	196 #define DROPBEAR_SVR_PASSWORD_AUTH 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	197 #endif
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	198 /* PAM requires ./configure --enable-pam */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	199 #define DROPBEAR_SVR_PAM_AUTH 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 #define DROPBEAR_SVR_PUBKEY_AUTH 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202 /* Whether to take public key options in
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	203 * authorized_keys file into account */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	204 #define DROPBEAR_SVR_PUBKEY_OPTIONS 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 /* This requires getpass. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207 #ifdef HAVE_GETPASS
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208 #define DROPBEAR_CLI_PASSWORD_AUTH 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	209 #define DROPBEAR_CLI_INTERACT_AUTH 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	210 #endif
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211 #define DROPBEAR_CLI_PUBKEY_AUTH 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	212
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	213 /* A default argument for dbclient -i <privatekey>.
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214 Homedir is prepended unless path begins with / */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	215 #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	216
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217 /* 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	218 * authentication on the commandline. Beware of platforms
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219 * 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	220 * 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	221 * 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	222 * SSH_ASKPASS instead. Comment out this var to remove this functionality.*/
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	223 #define DROPBEAR_PASSWORD_ENV "DROPBEAR_PASSWORD"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 /* 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	226 * 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	227 * 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	228 * 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	229 * return the password on standard output */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230 #define DROPBEAR_CLI_ASKPASS_HELPER 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	232 /* 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	233 * 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	234 * 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	235 * could cause problems with non-compliant servers */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236 #define DROPBEAR_CLI_IMMEDIATE_AUTH 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	237
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238 /* 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	239 * 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	240 * rsa/dss key generation */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	241 #define DROPBEAR_URANDOM_DEV "/dev/urandom"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	243 /* Set this to use PRNGD or EGD instead of /dev/urandom or /dev/random */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	244 /#define DROPBEAR_PRNGD_SOCKET "/var/run/dropbear-rng"/
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	245
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	246
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247 /* 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	248 * 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	249 /* 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	250 #define MAX_UNAUTH_PER_IP 5
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	251
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	252 /* 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	253 * come from many IPs */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	254 #define MAX_UNAUTH_CLIENTS 30
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	255
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	256 /* Maximum number of failed authentication tries (server option) */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	257 #define MAX_AUTH_TRIES 10
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 /* 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	260 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	261 #define DROPBEAR_PIDFILE "/var/run/dropbear.pid"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	262
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	263 /* 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	264 * "-q" for quiet */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	265 #define XAUTH_COMMAND "/usr/bin/xauth -q"
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 /* 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	268 * 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	269 * be enabled */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	270 #define SFTPSERVER_PATH "/usr/libexec/sftp-server"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	271
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	272 /* 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	273 * 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	274 #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	275
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	276 /* 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	277 * (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	278 * shell/sftp session etc. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	279 #define LOG_COMMANDS 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	281 /* 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	282 usage and network performance: */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	283 /* 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	284 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	285 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	286 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	287 runtime with the -W argument. */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	288 #define DEFAULT_RECV_WINDOW 24576
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	289 /* 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	290 in order to interoperate with other implementations */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	291 #define RECV_MAX_PAYLOAD_LEN 32768
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	292 /* 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	293 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	294 #define TRANS_MAX_PAYLOAD_LEN 16384
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	295
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	296 /* 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	297 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	298 #define DEFAULT_KEEPALIVE 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	299
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	300 /* 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	301 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	302 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	303 #define DEFAULT_KEEPALIVE_LIMIT 3
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	304
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	305 /* 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	306 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	307 #define DEFAULT_IDLE_TIMEOUT 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	308
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	309 /* 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	310 #define DEFAULT_PATH "/usr/bin:/bin"
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	311
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: diff changeset	312 #endif /* DROPBEAR_DEFAULT_OPTIONS_H_ */

Mercurial > dropbear

annotate default_options.h.in @ 1386:f0990c284663 fuzz