annotate sysoptions.h @ 1464:ad637c9e0f6f

Server chosen tcpfwd ports (#43) Server chosen tcpfwd ports
author houseofkodai <karthik@houseofkodai.in>
date Thu, 25 Jan 2018 19:51:41 +0530
parents 93d2bf610d0b
children 533e070b3126
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
1419
7672b13c5367 increase min DSS and RSA lengths
Matt Johnston <matt@ucc.asn.au>
parents: 1342
diff changeset
43 #define MIN_DSS_KEYLEN 1024
499
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
1419
7672b13c5367 increase min DSS and RSA lengths
Matt Johnston <matt@ucc.asn.au>
parents: 1342
diff changeset
46 #define MIN_RSA_KEYLEN 1024
499
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 25*80 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 (1024*1024) /* 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
1440
8b74d5f876a7 sysoptions.h: Add ability to override DROPBEAR_LISTEN_BACKLOG
Ben Gardner <bgardner@wabtec.com>
parents: 1342
diff changeset
238 #ifndef DROPBEAR_LISTEN_BACKLOG
936
d93a6bcf616f Improve handling lots of concurrent forwarded connections. Increase
Matt Johnston <matt@ucc.asn.au>
parents: 902
diff changeset
239 #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
240 #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
241 #else
d93a6bcf616f Improve handling lots of concurrent forwarded connections. Increase
Matt Johnston <matt@ucc.asn.au>
parents: 902
diff changeset
242 #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
243 #endif
1440
8b74d5f876a7 sysoptions.h: Add ability to override DROPBEAR_LISTEN_BACKLOG
Ben Gardner <bgardner@wabtec.com>
parents: 1342
diff changeset
244 #endif
936
d93a6bcf616f Improve handling lots of concurrent forwarded connections. Increase
Matt Johnston <matt@ucc.asn.au>
parents: 902
diff changeset
245
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1294
diff changeset
246 #ifndef DROPBEAR_NONE_CIPHER
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1294
diff changeset
247 #define DROPBEAR_NONE_CIPHER 0
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1294
diff changeset
248 #endif
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1294
diff changeset
249
1040
2b4fd440399d Free memory before exiting. Based on patch from Thorsten Horstmann.
Matt Johnston <matt@ucc.asn.au>
parents: 1009
diff changeset
250 /* free memory before exiting */
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1294
diff changeset
251 #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
252
970
0bb16232e7c4 Make keepalive handling more robust, this should now match what OpenSSH does
Matt Johnston <matt@ucc.asn.au>
parents: 965
diff changeset
253 /* 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
254 #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
255
1084
2265d7ebfdeb separate client/server fastopen options
Matt Johnston <matt@ucc.asn.au>
parents: 1049
diff changeset
256 /* 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
257 * 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
258 * is further compatibility testing */
1033
ca71904cf3ee Fixes for backwards compatibility
Matt Johnston <matt@ucc.asn.au>
parents: 1009
diff changeset
259 #ifdef __linux__
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1294
diff changeset
260 #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
261 #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
262 #else
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1294
diff changeset
263 #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
264 #define DROPBEAR_CLIENT_TCP_FAST_OPEN 0
1033
ca71904cf3ee Fixes for backwards compatibility
Matt Johnston <matt@ucc.asn.au>
parents: 1009
diff changeset
265 #endif
ca71904cf3ee Fixes for backwards compatibility
Matt Johnston <matt@ucc.asn.au>
parents: 1009
diff changeset
266
667
fc7ae88e63b3 Rename HAVE_FORK to USE_VFORK
Matt Johnston <matt@ucc.asn.au>
parents: 661
diff changeset
267 /* no include guard for this file */