dropbear: sysoptions.h annotate

annotate sysoptions.h @ 1376:9e9c8d37fd56 fuzz

limit input size

author	Matt Johnston <matt@ucc.asn.au>
date	Thu, 25 May 2017 22:21:23 +0800
parents	8747c2b19152
children	9236e7120c3e 8b74d5f876a7

rev	line source
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	1 /*******************************************************************
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	2 * You shouldn't edit this file unless you know you need to.
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	3 * This file is only included from options.h
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	4 *******************************************************************/
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	5
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6 #ifndef DROPBEAR_VERSION
1338 cfd2abbf9cf4 bump version to 2017.75 Matt Johnston <matt@ucc.asn.au> parents: 1312 diff changeset	7 #define DROPBEAR_VERSION "2017.75"
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	8 #endif
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	9
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	10 #define LOCAL_IDENT "SSH-2.0-dropbear_" DROPBEAR_VERSION
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	11 #define PROGNAME "dropbear"
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	12
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	13 /* Spec recommends after one hour or 1 gigabyte of data. One hour
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	14 * is a bit too verbose, so we try 8 hours */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	15 #ifndef KEX_REKEY_TIMEOUT
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	16 #define KEX_REKEY_TIMEOUT (3600 * 8)
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	17 #endif
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	18 #ifndef KEX_REKEY_DATA
887 0459ff21e320 Back out accidentally committed files Matt Johnston <matt@ucc.asn.au> parents: 886 diff changeset	19 #define KEX_REKEY_DATA (1<<30) /* 2^30 == 1GB, this value must be < INT_MAX */
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	20 #endif
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	21 /* Close connections to clients which haven't authorised after AUTH_TIMEOUT */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 #ifndef AUTH_TIMEOUT
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	23 #define AUTH_TIMEOUT 300 /* we choose 5 minutes */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	24 #endif
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	25
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	26 #define DROPBEAR_SVR_PUBKEY_OPTIONS_BUILT ((DROPBEAR_SVR_PUBKEY_AUTH) && (DROPBEAR_SVR_PUBKEY_OPTIONS))
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	27
746 465fefc4f6e0 Put some #ifdef options around first-follows options in case they Matt Johnston <matt@ucc.asn.au> parents: 745 diff changeset	28 /* A client should try and send an initial key exchange packet guessing
465fefc4f6e0 Put some #ifdef options around first-follows options in case they Matt Johnston <matt@ucc.asn.au> parents: 745 diff changeset	29 * the algorithm that will match - saves a round trip connecting, has little
465fefc4f6e0 Put some #ifdef options around first-follows options in case they Matt Johnston <matt@ucc.asn.au> parents: 745 diff changeset	30 * overhead if the guess was "wrong". */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	31 #ifndef DROPBEAR_KEX_FIRST_FOLLOWS
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	32 #define DROPBEAR_KEX_FIRST_FOLLOWS 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	33 #endif
746 465fefc4f6e0 Put some #ifdef options around first-follows options in case they Matt Johnston <matt@ucc.asn.au> parents: 745 diff changeset	34 /* Use protocol extension to allow "first follows" to succeed more frequently.
465fefc4f6e0 Put some #ifdef options around first-follows options in case they Matt Johnston <matt@ucc.asn.au> parents: 745 diff changeset	35 * This is currently Dropbear-specific but will gracefully fallback when connecting
465fefc4f6e0 Put some #ifdef options around first-follows options in case they Matt Johnston <matt@ucc.asn.au> parents: 745 diff changeset	36 * to other implementations. */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	37 #ifndef DROPBEAR_KEXGUESS2
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	38 #define DROPBEAR_KEXGUESS2 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	39 #endif
746 465fefc4f6e0 Put some #ifdef options around first-follows options in case they Matt Johnston <matt@ucc.asn.au> parents: 745 diff changeset	40
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	41 /* Minimum key sizes for DSS and RSA */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	42 #ifndef MIN_DSS_KEYLEN
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	43 #define MIN_DSS_KEYLEN 512
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	44 #endif
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45 #ifndef MIN_RSA_KEYLEN
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 #define MIN_RSA_KEYLEN 512
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47 #endif
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 #define MAX_BANNER_SIZE 2000 /* this is 2580 chars, any more is foolish /
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50 #define MAX_BANNER_LINES 20 /* How many lines the client will display */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52 /* the number of NAME=VALUE pairs to malloc for environ, if we don't have
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 * the clearenv() function */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 #define ENV_SIZE 100
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55
1138 cc3916a7afd9 increase MAX_CMD_LEN to 9000 Matt Johnston <matt@ucc.asn.au> parents: 1084 diff changeset	56 #define MAX_CMD_LEN 9000 /* max length of a command */
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57 #define MAX_TERM_LEN 200 /* max length of TERM name */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 #define MAX_HOST_LEN 254 /* max hostname len for tcp fwding */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60 #define MAX_IP_LEN 15 /* strlen("255.255.255.255") == 15 */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 #define DROPBEAR_MAX_PORTS 10 /* max number of ports which can be specified,
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63 ipv4 and ipv6 don't count twice */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 /* Each port might have at least a v4 and a v6 address */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66 #define MAX_LISTEN_ADDR (DROPBEAR_MAX_PORTS*3)
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 #define _PATH_TTY "/dev/tty"
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	70 #define _PATH_CP "/bin/cp"
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71
722 4a274f47eabd Add ~. and ~^Z handling to exit/suspend dbclient Matt Johnston <matt@ucc.asn.au> parents: 718 diff changeset	72 #define DROPBEAR_ESCAPE_CHAR '~'
4a274f47eabd Add ~. and ~^Z handling to exit/suspend dbclient Matt Johnston <matt@ucc.asn.au> parents: 718 diff changeset	73
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	74 /* success/failure defines */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	75 #define DROPBEAR_SUCCESS 0
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	76 #define DROPBEAR_FAILURE -1
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	77
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	78 #define DROPBEAR_PASSWORD_ENV "DROPBEAR_PASSWORD"
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80 /* Required for pubkey auth */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	81 #define DROPBEAR_SIGNKEY_VERIFY ((DROPBEAR_SVR_PUBKEY_AUTH) \|\| (DROPBEAR_CLIENT))
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	82
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 #define SHA1_HASH_SIZE 20
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	84 #define MD5_HASH_SIZE 16
855 04ede40a529a - Some fixes for old compilers like tru64 v4 from Daniel Richard G. Matt Johnston <matt@ucc.asn.au> parents: 850 diff changeset	85 #define MAX_HASH_SIZE 64 /* sha512 */
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	86
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 #define MAX_KEY_LEN 32 /* 256 bits for aes256 etc */
762 a78a38e402d1 - Fix various hardcoded uses of SHA1 Matt Johnston <matt@ucc.asn.au> parents: 761 diff changeset	88 #define MAX_IV_LEN 20 /* must be same as max blocksize, */
715 cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 710 diff changeset	89
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	90 #if DROPBEAR_SHA2_512_HMAC
715 cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 710 diff changeset	91 #define MAX_MAC_LEN 64
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	92 #elif DROPBEAR_SHA2_256_HMAC
715 cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 710 diff changeset	93 #define MAX_MAC_LEN 32
679 03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 668 diff changeset	94 #else
715 cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 710 diff changeset	95 #define MAX_MAC_LEN 20
679 03073a27abb3 - Add hmac-sha2-256 and hmac-sha2-512. Needs debugging, seems to be Matt Johnston <matt@ucc.asn.au> parents: 668 diff changeset	96 #endif
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	97
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	98
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	99 #define DROPBEAR_ECC ((DROPBEAR_ECDH) \|\| (DROPBEAR_ECDSA))
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	100
838 4365e12c68e6 A few small fixes for ECC compilation Matt Johnston <matt@ucc.asn.au> parents: 835 diff changeset	101 /* Debian doesn't define this in system headers */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	102 #if !defined(LTM_DESC) && (DROPBEAR_ECC)
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	103 #define LTM_DESC
869 c63e7644db60 Only define LTM_DESC if it isn't already Matt Johnston <matt@ucc.asn.au> parents: 861 diff changeset	104 #endif
755 b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc Matt Johnston <matt@ucc.asn.au> parents: 722 diff changeset	105
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	106 #define DROPBEAR_ECC_256 (DROPBEAR_ECC)
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	107 #define DROPBEAR_ECC_384 (DROPBEAR_ECC)
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	108 #define DROPBEAR_ECC_521 (DROPBEAR_ECC)
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	109
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	110 #define DROPBEAR_LTC_PRNG (DROPBEAR_ECC)
761 ac2158e3e403 ecc kind of works, needs fixing/testing Matt Johnston <matt@ucc.asn.au> parents: 759 diff changeset	111
850 7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 847 diff changeset	112 /* RSA can be vulnerable to timing attacks which use the time required for
7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 847 diff changeset	113 * signing to guess the private key. Blinding avoids this attack, though makes
7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 847 diff changeset	114 * signing operations slightly slower. */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	115 #define DROPBEAR_RSA_BLINDING 1
850 7507b174bba0 - Make curve25519 work after fixing a typo, interoperates with OpenSSH Matt Johnston <matt@ucc.asn.au> parents: 847 diff changeset	116
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 838 diff changeset	117 /* hashes which will be linked and registered */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	118 #define DROPBEAR_SHA256 ((DROPBEAR_SHA2_256_HMAC) \|\| (DROPBEAR_ECC_256) \
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	119 \|\| (DROPBEAR_CURVE25519) \|\| (DROPBEAR_DH_GROUP14_SHA256))
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	120 #define DROPBEAR_SHA384 (DROPBEAR_ECC_384)
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 838 diff changeset	121 /* LTC SHA384 depends on SHA512 */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	122 #define DROPBEAR_SHA512 ((DROPBEAR_SHA2_512_HMAC) \|\| (DROPBEAR_ECC_521) \
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	123 \|\| (DROPBEAR_SHA384) \|\| (DROPBEAR_DH_GROUP16))
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	124 #define DROPBEAR_MD5 (DROPBEAR_MD5_HMAC)
759 76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work, Matt Johnston <matt@ucc.asn.au> parents: 756 diff changeset	125
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	126 #define DROPBEAR_DH_GROUP14 ((DROPBEAR_DH_GROUP14_SHA256) \|\| (DROPBEAR_DH_GROUP14_SHA1))
1294 56aba7dedbea options for disabling "normal" DH Matt Johnston <matt@ucc.asn.au> parents: 1293 diff changeset	127
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	128 #define DROPBEAR_NORMAL_DH ((DROPBEAR_DH_GROUP1) \|\| (DROPBEAR_DH_GROUP14) \|\| (DROPBEAR_DH_GROUP16))
1248 739b3909c499 Get rid of group15, move group16 to sha512. Matt Johnston <matt@ucc.asn.au> parents: 1230 diff changeset	129
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 838 diff changeset	130 /* roughly 2x 521 bits */
755 b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc Matt Johnston <matt@ucc.asn.au> parents: 722 diff changeset	131 #define MAX_ECC_SIZE 140
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc Matt Johnston <matt@ucc.asn.au> parents: 722 diff changeset	132
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 #define MAX_NAME_LEN 64 /* maximum length of a protocol name, isn't
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 explicitly specified for all protocols (just
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135 for algos) but seems valid */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137 #define MAX_PROPOSED_ALGO 20
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139 /* size/count limits */
603 3aa74a4d83ae Refer to RFCs rather than drafts, update some section references Matt Johnston <matt@ucc.asn.au> parents: 598 diff changeset	140 /* From transport rfc */
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 #define MIN_PACKET_LEN 16
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143 #define RECV_MAX_PACKET_LEN (MAX(35000, ((RECV_MAX_PAYLOAD_LEN)+100)))
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145 /* for channel code */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146 #define TRANS_MAX_WINDOW 500000000 /* 500MB is sufficient, stopping overflow */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	147 #define TRANS_MAX_WIN_INCR 500000000 /* overflow prevention */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	149 #define RECV_WINDOWEXTEND (opts.recv_window / 3) /* We send a "window extend" every
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	150 RECV_WINDOWEXTEND bytes */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	151 #define MAX_RECV_WINDOW (10241024) / 1 MB should be enough */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	152
1169 41a5820cab8b Increase channel limit to 1000 Matt Johnston <matt@ucc.asn.au> parents: 1147 diff changeset	153 #define MAX_CHANNELS 1000 /* simple mem restriction, includes each tcp/x11
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154 connection, so can't be _too_ small */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	155
1138 cc3916a7afd9 increase MAX_CMD_LEN to 9000 Matt Johnston <matt@ucc.asn.au> parents: 1084 diff changeset	156 #define MAX_STRING_LEN (MAX(MAX_CMD_LEN, 2400)) /* Sun SSH needs 2400 for algos,
cc3916a7afd9 increase MAX_CMD_LEN to 9000 Matt Johnston <matt@ucc.asn.au> parents: 1084 diff changeset	157 MAX_CMD_LEN is usually longer */
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	158
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 /* For a 4096 bit DSS key, empirically determined */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160 #define MAX_PUBKEY_SIZE 1700
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161 /* For a 4096 bit DSS key, empirically determined */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 #define MAX_PRIVKEY_SIZE 1700
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	164 #define MAX_HOSTKEYS 3
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	165
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	166 /* The maximum size of the bignum portion of the kexhash buffer */
603 3aa74a4d83ae Refer to RFCs rather than drafts, update some section references Matt Johnston <matt@ucc.asn.au> parents: 598 diff changeset	167 /* Sect. 8 of the transport rfc 4253, K_S + e + f + K */
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	168 #define KEXHASHBUF_MAX_INTS (1700 + 130 + 130 + 130)
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	170 #define DROPBEAR_MAX_SOCKS 2 /* IPv4, IPv6 are all we'll get for now. Revisit
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171 in a few years time.... */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 #define DROPBEAR_MAX_CLI_PASS 1024
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175 #define DROPBEAR_MAX_CLI_INTERACT_PROMPTS 80 /* The number of prompts we'll
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176 accept for keyb-interactive
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 auth */
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178
883 ff597bf2cfb0 DROPBEAR_CLI_AUTH_IMMEDIATE fixed, now enabled by default Matt Johnston <matt@ucc.asn.au> parents: 878 diff changeset	179
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	180 #define DROPBEAR_AES ((DROPBEAR_AES256) \|\| (DROPBEAR_AES128))
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	182 #define DROPBEAR_TWOFISH ((DROPBEAR_TWOFISH256) \|\| (DROPBEAR_TWOFISH128))
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	183
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	184 #define DROPBEAR_CLI_ANYTCPFWD ((DROPBEAR_CLI_REMOTETCPFWD) \|\| (DROPBEAR_CLI_LOCALTCPFWD))
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	186 #define DROPBEAR_TCP_ACCEPT ((DROPBEAR_CLI_LOCALTCPFWD) \|\| (DROPBEAR_SVR_REMOTETCPFWD))
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	188 #define DROPBEAR_LISTENERS \
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	189 ((DROPBEAR_CLI_REMOTETCPFWD) \|\| (DROPBEAR_CLI_LOCALTCPFWD) \|\| \
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	190 (DROPBEAR_SVR_REMOTETCPFWD) \|\| (DROPBEAR_SVR_LOCALTCPFWD) \|\| \
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	191 (DROPBEAR_SVR_AGENTFWD) \|\| (DROPBEAR_X11FWD))
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	193 #define DROPBEAR_CLI_MULTIHOP ((DROPBEAR_CLI_NETCAT) && (DROPBEAR_CLI_PROXYCMD))
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	195 #define ENABLE_CONNECT_UNIX ((DROPBEAR_CLI_AGENTFWD) \|\| (DROPBEAR_PRNGD_SOCKET))
547 cf376c696dfc Make it compile, update for changes in channel structure. Matt Johnston <matt@ucc.asn.au> parents: 521 diff changeset	196
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	197 /* if we're using authorized_keys or known_hosts */
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	198 #define DROPBEAR_KEY_LINES ((DROPBEAR_CLIENT) \|\| (DROPBEAR_SVR_PUBKEY_AUTH))
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	199
605 53c21d4ec98a - Don't allow setting memLevel since that doesn't work properly Matt Johnston <matt@ucc.asn.au> parents: 598 diff changeset	200 /* Changing this is inadvisable, it appears to have problems
53c21d4ec98a - Don't allow setting memLevel since that doesn't work properly Matt Johnston <matt@ucc.asn.au> parents: 598 diff changeset	201 * with flushing compressed data */
53c21d4ec98a - Don't allow setting memLevel since that doesn't work properly Matt Johnston <matt@ucc.asn.au> parents: 598 diff changeset	202 #define DROPBEAR_ZLIB_MEM_LEVEL 8
53c21d4ec98a - Don't allow setting memLevel since that doesn't work properly Matt Johnston <matt@ucc.asn.au> parents: 598 diff changeset	203
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	204 #if (DROPBEAR_SVR_PASSWORD_AUTH) && (DROPBEAR_SVR_PAM_AUTH)
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205 #error "You can't turn on PASSWORD and PAM auth both at once. Fix it in options.h"
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 #endif
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208 /* We use dropbear_client and dropbear_server as shortcuts to avoid redundant
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	209 * code, if we're just compiling as client or server */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	210 #if (DROPBEAR_SERVER) && (DROPBEAR_CLIENT)
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	212 #define IS_DROPBEAR_SERVER (ses.isserver == 1)
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	213 #define IS_DROPBEAR_CLIENT (ses.isserver == 0)
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	215 #elif DROPBEAR_SERVER
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	216
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217 #define IS_DROPBEAR_SERVER 1
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	218 #define IS_DROPBEAR_CLIENT 0
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	220 #elif DROPBEAR_CLIENT
499 f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	221
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	222 #define IS_DROPBEAR_SERVER 0
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	223 #define IS_DROPBEAR_CLIENT 1
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224
f3ca5ebc319a Split options.h out into sysoptions.h for options that aren't usually Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 #else
521 cc2dff9bd671 - Allow building with neither server nor client specified Matt Johnston <matt@ucc.asn.au> parents: 516 diff changeset	226 /* Just building key utils? */
cc2dff9bd671 - Allow building with neither server nor client specified Matt Johnston <matt@ucc.asn.au> parents: 516 diff changeset	227 #define IS_DROPBEAR_SERVER 0
cc2dff9bd671 - Allow building with neither server nor client specified Matt Johnston <matt@ucc.asn.au> parents: 516 diff changeset	228 #define IS_DROPBEAR_CLIENT 0
cc2dff9bd671 - Allow building with neither server nor client specified Matt Johnston <matt@ucc.asn.au> parents: 516 diff changeset	229
667 fc7ae88e63b3 Rename HAVE_FORK to USE_VFORK Matt Johnston <matt@ucc.asn.au> parents: 661 diff changeset	230 #endif /* neither DROPBEAR_SERVER nor DROPBEAR_CLIENT */
fc7ae88e63b3 Rename HAVE_FORK to USE_VFORK Matt Johnston <matt@ucc.asn.au> parents: 661 diff changeset	231
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	232 #ifdef HAVE_FORK
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	233 #define DROPBEAR_VFORK 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	234 #else
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	235 #define DROPBEAR_VFORK 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	236 #endif
667 fc7ae88e63b3 Rename HAVE_FORK to USE_VFORK Matt Johnston <matt@ucc.asn.au> parents: 661 diff changeset	237
936 d93a6bcf616f Improve handling lots of concurrent forwarded connections. Increase Matt Johnston <matt@ucc.asn.au> parents: 902 diff changeset	238 #if MAX_UNAUTH_CLIENTS > MAX_CHANNELS
d93a6bcf616f Improve handling lots of concurrent forwarded connections. Increase Matt Johnston <matt@ucc.asn.au> parents: 902 diff changeset	239 #define DROPBEAR_LISTEN_BACKLOG MAX_UNAUTH_CLIENTS
d93a6bcf616f Improve handling lots of concurrent forwarded connections. Increase Matt Johnston <matt@ucc.asn.au> parents: 902 diff changeset	240 #else
d93a6bcf616f Improve handling lots of concurrent forwarded connections. Increase Matt Johnston <matt@ucc.asn.au> parents: 902 diff changeset	241 #define DROPBEAR_LISTEN_BACKLOG MAX_CHANNELS
d93a6bcf616f Improve handling lots of concurrent forwarded connections. Increase Matt Johnston <matt@ucc.asn.au> parents: 902 diff changeset	242 #endif
d93a6bcf616f Improve handling lots of concurrent forwarded connections. Increase Matt Johnston <matt@ucc.asn.au> parents: 902 diff changeset	243
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	244 #ifndef DROPBEAR_NONE_CIPHER
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	245 #define DROPBEAR_NONE_CIPHER 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	246 #endif
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	247
1040 2b4fd440399d Free memory before exiting. Based on patch from Thorsten Horstmann. Matt Johnston <matt@ucc.asn.au> parents: 1009 diff changeset	248 /* free memory before exiting */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	249 #define DROPBEAR_CLEANUP 1
1040 2b4fd440399d Free memory before exiting. Based on patch from Thorsten Horstmann. Matt Johnston <matt@ucc.asn.au> parents: 1009 diff changeset	250
970 0bb16232e7c4 Make keepalive handling more robust, this should now match what OpenSSH does Matt Johnston <matt@ucc.asn.au> parents: 965 diff changeset	251 /* Use this string since some implementations might special-case it */
0bb16232e7c4 Make keepalive handling more robust, this should now match what OpenSSH does Matt Johnston <matt@ucc.asn.au> parents: 965 diff changeset	252 #define DROPBEAR_KEEPALIVE_STRING "[email protected]"
0bb16232e7c4 Make keepalive handling more robust, this should now match what OpenSSH does Matt Johnston <matt@ucc.asn.au> parents: 965 diff changeset	253
1084 2265d7ebfdeb separate client/server fastopen options Matt Johnston <matt@ucc.asn.au> parents: 1049 diff changeset	254 /* Linux will attempt TCP fast open, falling back if not supported by the kernel.
2265d7ebfdeb separate client/server fastopen options Matt Johnston <matt@ucc.asn.au> parents: 1049 diff changeset	255 * Currently server is enabled but client is disabled by default until there
2265d7ebfdeb separate client/server fastopen options Matt Johnston <matt@ucc.asn.au> parents: 1049 diff changeset	256 * is further compatibility testing */
1033 ca71904cf3ee Fixes for backwards compatibility Matt Johnston <matt@ucc.asn.au> parents: 1009 diff changeset	257 #ifdef __linux__
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	258 #define DROPBEAR_SERVER_TCP_FAST_OPEN 1
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	259 #define DROPBEAR_CLIENT_TCP_FAST_OPEN 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	260 #else
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	261 #define DROPBEAR_SERVER_TCP_FAST_OPEN 0
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1294 diff changeset	262 #define DROPBEAR_CLIENT_TCP_FAST_OPEN 0
1033 ca71904cf3ee Fixes for backwards compatibility Matt Johnston <matt@ucc.asn.au> parents: 1009 diff changeset	263 #endif
ca71904cf3ee Fixes for backwards compatibility Matt Johnston <matt@ucc.asn.au> parents: 1009 diff changeset	264
667 fc7ae88e63b3 Rename HAVE_FORK to USE_VFORK Matt Johnston <matt@ucc.asn.au> parents: 661 diff changeset	265 /* no include guard for this file */

Mercurial > dropbear

annotate sysoptions.h @ 1376:9e9c8d37fd56 fuzz