annotate default_options.h @ 1713:c2c0f43ff827

Remove blowfish
author Matt Johnston <matt@ucc.asn.au>
date Wed, 10 Jun 2020 23:42:42 +0800
parents 3a97f14c0235
children c0f12eaf95c9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
1521
198e2ee0f4b1 - Fix dependencies and remove old default_options.h from version control
Matt Johnston <matt@ucc.asn.au>
parents: 1517
diff changeset
6 default_options.h documents compile-time options, and provides default values.
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8 Local customisation should be added to localoptions.h which is
1614
03df3b9f6048 mention localoptions.h being build directory, fix underscore in CHANGES
Matt Johnston <matt@ucc.asn.au>
parents: 1544
diff changeset
9 used if it exists in the build directory. Options defined there will override
03df3b9f6048 mention localoptions.h being build directory, fix underscore in CHANGES
Matt Johnston <matt@ucc.asn.au>
parents: 1544
diff changeset
10 any options in this file.
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
12 Options can also be defined with -DDROPBEAR_XXX=[0,1] in Makefile CFLAGS
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
13
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
14 IMPORTANT: Some options will require "make clean" after changes */
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16 #define DROPBEAR_DEFPORT "22"
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
17
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
18 /* Listen on all interfaces */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
19 #define DROPBEAR_DEFADDRESS ""
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
21 /* Default hostkey paths - these can be specified on the command line */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
22 #define DSS_PRIV_FILENAME "/etc/dropbear/dropbear_dss_host_key"
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
23 #define RSA_PRIV_FILENAME "/etc/dropbear/dropbear_rsa_host_key"
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
24 #define ECDSA_PRIV_FILENAME "/etc/dropbear/dropbear_ecdsa_host_key"
1659
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1634
diff changeset
25 #define ED25519_PRIV_FILENAME "/etc/dropbear/dropbear_ed25519_host_key"
1295
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
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
40 /* Include verbose debug output, enabled with -v at runtime.
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
41 * This will add a reasonable amount to your executable size. */
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
42 #define DEBUG_TRACE 0
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
43
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
44 /* Set this if you want to use the DROPBEAR_SMALL_CODE option. This can save
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
45 * several kB in binary size however will make the symmetrical ciphers and hashes
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
46 * slower, perhaps by 50%. Recommended for small systems that aren't doing
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
47 * much traffic. */
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
48 #define DROPBEAR_SMALL_CODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
49
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
50 /* Enable X11 Forwarding - server only */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
51 #define DROPBEAR_X11FWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
52
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
53 /* Enable TCP Fowarding */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
54 /* '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
55 * '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
56 #define DROPBEAR_CLI_LOCALTCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
57 #define DROPBEAR_CLI_REMOTETCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
58
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
59 #define DROPBEAR_SVR_LOCALTCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
60 #define DROPBEAR_SVR_REMOTETCPFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
61
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
62 /* Enable Authentication Agent Forwarding */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
63 #define DROPBEAR_SVR_AGENTFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
64 #define DROPBEAR_CLI_AGENTFWD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
65
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
66 /* 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
67 * allow multihop dbclient connections */
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 /* 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
70 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
71 #define DROPBEAR_CLI_PROXYCMD 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
72
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
73 /* 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
74 * to a remote TCP-forwarded connection */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
75 #define DROPBEAR_CLI_NETCAT 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
76
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
77 /* Whether to support "-c" and "-m" flags to choose ciphers/MACs at runtime */
1499
2d450c1056e3 options: Complete the transition to numeric toggles (`#if')
Michael Witten <mfwitten@gmail.com>
parents: 1494
diff changeset
78 #define DROPBEAR_USER_ALGO_LIST 1
1295
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 /* Encryption - at least one required.
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
81 * AES128 should be enabled, some very old implementations might only
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
82 * support 3DES.
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
83 * Including both AES keysize variants (128 and 256) will result in
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
84 * a minimal size increase */
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
85 #define DROPBEAR_AES128 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
86 #define DROPBEAR_3DES 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
87 #define DROPBEAR_AES256 1
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
88 #define DROPBEAR_TWOFISH256 0
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
89 #define DROPBEAR_TWOFISH128 0
1499
2d450c1056e3 options: Complete the transition to numeric toggles (`#if')
Michael Witten <mfwitten@gmail.com>
parents: 1494
diff changeset
90
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
91 /* 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
92 * 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
93 #define DROPBEAR_ENABLE_CBC_MODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
94
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
95 /* Enable "Counter Mode" for ciphers. This is more secure than
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
96 * 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
97 * and forwards compatibility */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
98 #define DROPBEAR_ENABLE_CTR_MODE 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
99
1672
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
100 /* Enable "Galois/Counter Mode" for ciphers. This authenticated
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
101 * encryption mode is combination of CTR mode and GHASH. Recommended
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
102 * for security and forwards compatibility, but slower than CTR on
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
103 * CPU w/o dedicated AES/GHASH instructions.
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
104 * Compiling in will add ~6kB to binary size on x86-64 */
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
105 #define DROPBEAR_ENABLE_GCM_MODE 0
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
106
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
107 /* Enable Chacha20-Poly1305 authenticated encryption mode. This is
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
108 * generally faster than AES256 on CPU w/o dedicated AES instructions,
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
109 * having the same key size.
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
110 * Compiling in will add ~5,5kB to binary size on x86-64 */
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
111 #define DROPBEAR_CHACHA20POLY1305 1
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1660
diff changeset
112
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
113 /* 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
114 sha1 for compatibility */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
115 #define DROPBEAR_SHA1_HMAC 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
116 #define DROPBEAR_SHA1_96_HMAC 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
117 #define DROPBEAR_SHA2_256_HMAC 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
118
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
119 /* 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
120 * 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
121 * 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
122 * RSA is recommended
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
123 * 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
124 is not recommended for new keys */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
125 #define DROPBEAR_RSA 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
126 #define DROPBEAR_DSS 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
127 /* 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
128 * 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
129 * on x86-64 */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
130 #define DROPBEAR_ECDSA 1
1659
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1634
diff changeset
131 /* Ed25519 is faster than ECDSA. Compiling in Ed25519 code increases
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1634
diff changeset
132 binary size - around 7,5kB on x86-64 */
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1634
diff changeset
133 #define DROPBEAR_ED25519 1
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
134
1438
4f8eb331174f add configuration option for default RSA size.
Matt Johnston <matt@ucc.asn.au>
parents: 1295
diff changeset
135 /* RSA must be >=1024 */
4f8eb331174f add configuration option for default RSA size.
Matt Johnston <matt@ucc.asn.au>
parents: 1295
diff changeset
136 #define DROPBEAR_DEFAULT_RSA_SIZE 2048
4f8eb331174f add configuration option for default RSA size.
Matt Johnston <matt@ucc.asn.au>
parents: 1295
diff changeset
137 /* DSS is always 1024 */
4f8eb331174f add configuration option for default RSA size.
Matt Johnston <matt@ucc.asn.au>
parents: 1295
diff changeset
138 /* ECDSA defaults to largest size configured, usually 521 */
1659
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1634
diff changeset
139 /* Ed25519 is always 256 */
1438
4f8eb331174f add configuration option for default RSA size.
Matt Johnston <matt@ucc.asn.au>
parents: 1295
diff changeset
140
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
141 /* 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
142 connection using that key type occurs.
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
143 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
144 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
145 #define DROPBEAR_DELAY_HOSTKEY 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
146
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.
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
149
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
150 * group14_sha1 - 2048 bit, sha1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
151 * group14_sha256 - 2048 bit, sha2-256
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
152 * group16 - 4096 bit, sha2-512
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
153 * group1 - 1024 bit, sha1
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
154 * curve25519 - elliptic curve DH
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
155 * ecdh - NIST elliptic curve DH (256, 384, 521)
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
156 *
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
157 * group1 is too small for security though is necessary if you need
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
158 compatibility with some implementations such as Dropbear versions < 0.53
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159 * group14 is supported by most implementations.
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160 * group16 provides a greater strength level but is slower and increases binary size
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
161 * curve25519 and ecdh algorithms are faster than non-elliptic curve methods
1659
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1634
diff changeset
162 * curve25519 increases binary size by ~2,5kB on x86-64
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
163 * including either ECDH or ECDSA increases binary size by ~30kB on x86-64
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
164
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
165 * Small systems should generally include either curve25519 or ecdh for performance.
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
166 * curve25519 is less widely supported but is faster
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
167 */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
168 #define DROPBEAR_DH_GROUP14_SHA1 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
169 #define DROPBEAR_DH_GROUP14_SHA256 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
170 #define DROPBEAR_DH_GROUP16 0
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
171 #define DROPBEAR_CURVE25519 1
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
172 #define DROPBEAR_ECDH 1
1544
d1a8a05216ff make group1 client-only
Matt Johnston <matt@ucc.asn.au>
parents: 1542
diff changeset
173 #define DROPBEAR_DH_GROUP1 1
d1a8a05216ff make group1 client-only
Matt Johnston <matt@ucc.asn.au>
parents: 1542
diff changeset
174
d1a8a05216ff make group1 client-only
Matt Johnston <matt@ucc.asn.au>
parents: 1542
diff changeset
175 /* When group1 is enabled it will only be allowed by Dropbear client
d1a8a05216ff make group1 client-only
Matt Johnston <matt@ucc.asn.au>
parents: 1542
diff changeset
176 not as a server, due to concerns over its strength. Set to 0 to allow
d1a8a05216ff make group1 client-only
Matt Johnston <matt@ucc.asn.au>
parents: 1542
diff changeset
177 group1 in Dropbear server too */
d1a8a05216ff make group1 client-only
Matt Johnston <matt@ucc.asn.au>
parents: 1542
diff changeset
178 #define DROPBEAR_DH_GROUP1_CLIENTONLY 1
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
179
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
180 /* 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
181 * 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
182 * zlib.h for full details.
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
183 * 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
184 * windowBits=8 will use 129kB for compression.
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
185 * 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
186 * interoperability) */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
187 #define DROPBEAR_ZLIB_WINDOW_BITS 15
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
188
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
189 /* Whether to do reverse DNS lookups. */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
190 #define DO_HOST_LOOKUP 0
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 /* Whether to print the message of the day (MOTD). */
1660
26e07f7f682a MOTD enabled by default as the manpage says (#87)
zciendor <37557036+zciendor@users.noreply.github.com>
parents: 1659
diff changeset
193 #define DO_MOTD 1
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
194 #define MOTD_FILENAME "/etc/motd"
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
195
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
196 /* Authentication Types - at least one required.
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
197 RFC Draft requires pubkey auth, and recommends password */
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
198 #define DROPBEAR_SVR_PASSWORD_AUTH 1
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
199
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
200 /* 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
201 * 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
202 * 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
203 * 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
204 * PAM challenge/response.
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
205 * You can't enable both PASSWORD and PAM. */
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
206 #define DROPBEAR_SVR_PAM_AUTH 0
1499
2d450c1056e3 options: Complete the transition to numeric toggles (`#if')
Michael Witten <mfwitten@gmail.com>
parents: 1494
diff changeset
207
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
208 /* ~/.ssh/authorized_keys authentication */
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
209 #define DROPBEAR_SVR_PUBKEY_AUTH 1
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
210
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
211 /* Whether to take public key options in
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
212 * authorized_keys file into account */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
213 #define DROPBEAR_SVR_PUBKEY_OPTIONS 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
214
1634
aabde6f57fce Add a sanity check for DROPBEAR_SVR_MULTIUSER==0 mode
Matt Johnston <matt@ucc.asn.au>
parents: 1633
diff changeset
215 /* Set this to 0 if your system does not have multiple user support.
aabde6f57fce Add a sanity check for DROPBEAR_SVR_MULTIUSER==0 mode
Matt Johnston <matt@ucc.asn.au>
parents: 1633
diff changeset
216 (Linux kernel CONFIG_MULTIUSER option)
aabde6f57fce Add a sanity check for DROPBEAR_SVR_MULTIUSER==0 mode
Matt Johnston <matt@ucc.asn.au>
parents: 1633
diff changeset
217 The resulting binary will not run on a normal system. */
1633
592a18dac250 Support servers without multiple user support (#76)
Patrick Stewart <patstew@gmail.com>
parents: 1617
diff changeset
218 #define DROPBEAR_SVR_MULTIUSER 1
592a18dac250 Support servers without multiple user support (#76)
Patrick Stewart <patstew@gmail.com>
parents: 1617
diff changeset
219
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
220 /* Client authentication options */
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
221 #define DROPBEAR_CLI_PASSWORD_AUTH 1
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
222 #define DROPBEAR_CLI_PUBKEY_AUTH 1
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
223
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
224 /* A default argument for dbclient -i <privatekey>.
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
225 Homedir is prepended unless path begins with / */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
226 #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
227
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
228 /* Allow specifying the password for dbclient via the DROPBEAR_PASSWORD
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
229 * environment variable. */
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
230 #define DROPBEAR_USE_PASSWORD_ENV 1
1295
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 /* 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
233 * 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
234 * 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
235 * 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
236 * return the password on standard output */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
237 #define DROPBEAR_CLI_ASKPASS_HELPER 0
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
238
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
239 /* Save a network roundtrip by sendng a real auth request immediately after
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
240 * sending a query for the available methods. This is not yet enabled by default
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
241 since it could cause problems with non-compliant servers */
1517
7c7c5326ad73 clean up some default options
Matt Johnston <matt@ucc.asn.au>
parents: 1514
diff changeset
242 #define DROPBEAR_CLI_IMMEDIATE_AUTH 0
1499
2d450c1056e3 options: Complete the transition to numeric toggles (`#if')
Michael Witten <mfwitten@gmail.com>
parents: 1494
diff changeset
243
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
244 /* Set this to use PRNGD or EGD instead of /dev/urandom */
1499
2d450c1056e3 options: Complete the transition to numeric toggles (`#if')
Michael Witten <mfwitten@gmail.com>
parents: 1494
diff changeset
245 #define DROPBEAR_USE_PRNGD 0
2d450c1056e3 options: Complete the transition to numeric toggles (`#if')
Michael Witten <mfwitten@gmail.com>
parents: 1494
diff changeset
246 #define DROPBEAR_PRNGD_SOCKET "/var/run/dropbear-rng"
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
247
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
248 /* 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
249 * 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
250 /* 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
251 #define MAX_UNAUTH_PER_IP 5
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
252
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
253 /* 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
254 * come from many IPs */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
255 #define MAX_UNAUTH_CLIENTS 30
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
256
1445
a3a96dbf9a58 Use MAX_AUTH_TRIES rather than DEFAULT_AUTH_TRIES, don't limit argument range
Matt Johnston <matt@ucc.asn.au>
parents: 1442
diff changeset
257 /* Default maximum number of failed authentication tries (server option) */
a3a96dbf9a58 Use MAX_AUTH_TRIES rather than DEFAULT_AUTH_TRIES, don't limit argument range
Matt Johnston <matt@ucc.asn.au>
parents: 1442
diff changeset
258 /* -T server option overrides */
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
259 #define MAX_AUTH_TRIES 10
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
260
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
261 /* 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
262 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
263 #define DROPBEAR_PIDFILE "/var/run/dropbear.pid"
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
264
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
265 /* 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
266 * "-q" for quiet */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
267 #define XAUTH_COMMAND "/usr/bin/xauth -q"
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
268
1499
2d450c1056e3 options: Complete the transition to numeric toggles (`#if')
Michael Witten <mfwitten@gmail.com>
parents: 1494
diff changeset
269
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
270 /* if you want to enable running an sftp server (such as the one included with
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
271 * OpenSSH), set the path below and set DROPBEAR_SFTPSERVER.
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
272 * The sftp-server program is not provided by Dropbear itself */
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1499
diff changeset
273 #define DROPBEAR_SFTPSERVER 1
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
274 #define SFTPSERVER_PATH "/usr/libexec/sftp-server"
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 /* 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
277 * 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
278 #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
279
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
280 /* 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
281 * (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
282 * shell/sftp session etc. */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
283 #define LOG_COMMANDS 0
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
284
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
285 /* 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
286 usage and network performance: */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
287 /* 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
288 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
289 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
290 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
291 runtime with the -W argument. */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
292 #define DEFAULT_RECV_WINDOW 24576
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
293 /* 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
294 in order to interoperate with other implementations */
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
295 #define RECV_MAX_PAYLOAD_LEN 32768
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
296 /* 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
297 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
298 #define TRANS_MAX_PAYLOAD_LEN 16384
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 /* 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
301 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
302 #define DEFAULT_KEEPALIVE 0
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
303
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
304 /* 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
305 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
306 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
307 #define DEFAULT_KEEPALIVE_LIMIT 3
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 /* 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
310 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
311 #define DEFAULT_IDLE_TIMEOUT 0
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
312
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
313 /* 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
314 #define DEFAULT_PATH "/usr/bin:/bin"
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
315
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
316 #endif /* DROPBEAR_DEFAULT_OPTIONS_H_ */