Mercurial > dropbear

annotate common-runopts.c @ 1023:a00303a7d247 fastopen

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
tcp fastopen for the server
author Matt Johnston <matt@ucc.asn.au>
date Sun, 15 Feb 2015 22:34:05 +0800
parents f92eb625c48d
children 750ec4ec4cbe
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 /*
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
2 * Dropbear - a SSH2 server
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
3 *
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
4 * Copyright (c) 2002,2003 Matt Johnston
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
5 * All rights reserved.
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6 *
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8 * of this software and associated documentation files (the "Software"), to deal
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
9 * in the Software without restriction, including without limitation the rights
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11 * copies of the Software, and to permit persons to whom the Software is
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
12 * furnished to do so, subject to the following conditions:
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
13 *
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
14 * The above copyright notice and this permission notice shall be included in
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15 * all copies or substantial portions of the Software.
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16 *
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
23 * SOFTWARE. */
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
24
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
25 #include "includes.h"
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
26 #include "runopts.h"
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
27 #include "signkey.h"
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
28 #include "buffer.h"
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
29 #include "dbutil.h"
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
30 #include "auth.h"
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
31 #include "algo.h"
858
220f55d540ae rename random.h to dbrandom.h since some OSes have a system random.h
Matt Johnston <matt@ucc.asn.au>
parents: 841
diff changeset
32 #include "dbrandom.h"
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
34 runopts opts; /* GLOBAL */
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
35
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
36 /* returns success or failure, and the keytype in *type. If we want
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
37 * to restrict the type, type can contain a type to return */
841
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments
Matt Johnston <matt@ucc.asn.au>
parents: 713
diff changeset
38 int readhostkey(const char * filename, sign_key * hostkey,
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments
Matt Johnston <matt@ucc.asn.au>
parents: 713
diff changeset
39 enum signkey_type *type) {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
40
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
41 int ret = DROPBEAR_FAILURE;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
42 buffer *buf;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
43
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
44 buf = buf_new(MAX_PRIVKEY_SIZE);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
45
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
46 if (buf_readfile(buf, filename) == DROPBEAR_FAILURE) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
47 goto out;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
48 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
49 buf_setpos(buf, 0);
687
167fdc091c05 Improve RNG seeding.
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
50
167fdc091c05 Improve RNG seeding.
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
51 addrandom(buf_getptr(buf, buf->len), buf->len);
167fdc091c05 Improve RNG seeding.
Matt Johnston <matt@ucc.asn.au>
parents: 682
diff changeset
52
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
53 if (buf_get_priv_key(buf, hostkey, type) == DROPBEAR_FAILURE) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
54 goto out;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
55 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
56
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
57 ret = DROPBEAR_SUCCESS;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
58 out:
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
59
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
60 buf_burn(buf);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
61 buf_free(buf);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
62 return ret;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
63 }
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
64
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
65 #ifdef ENABLE_USER_ALGO_LIST
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
66 void
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
67 parse_ciphers_macs()
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
68 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
69 if (opts.cipher_list)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
70 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
71 if (strcmp(opts.cipher_list, "help") == 0)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
72 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
73 char *ciphers = algolist_string(sshciphers);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
74 dropbear_log(LOG_INFO, "Available ciphers:\n%s\n", ciphers);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
75 m_free(ciphers);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
76 dropbear_exit(".");
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
77 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
78
713
e22d5f5f6e37 Fix "-c none" so that it allows aes during authentication
Matt Johnston <matt@ucc.asn.au>
parents: 687
diff changeset
79 if (strcmp(opts.cipher_list, "none") == 0)
e22d5f5f6e37 Fix "-c none" so that it allows aes during authentication
Matt Johnston <matt@ucc.asn.au>
parents: 687
diff changeset
80 {
e22d5f5f6e37 Fix "-c none" so that it allows aes during authentication
Matt Johnston <matt@ucc.asn.au>
parents: 687
diff changeset
81 /* Encryption is required during authentication */
e22d5f5f6e37 Fix "-c none" so that it allows aes during authentication
Matt Johnston <matt@ucc.asn.au>
parents: 687
diff changeset
82 opts.cipher_list = "none,aes128-ctr";
e22d5f5f6e37 Fix "-c none" so that it allows aes during authentication
Matt Johnston <matt@ucc.asn.au>
parents: 687
diff changeset
83 }
e22d5f5f6e37 Fix "-c none" so that it allows aes during authentication
Matt Johnston <matt@ucc.asn.au>
parents: 687
diff changeset
84
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
85 if (check_user_algos(opts.cipher_list, sshciphers, "cipher") == 0)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
86 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
87 dropbear_exit("No valid ciphers specified for '-c'");
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
88 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
89 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
90
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
91 if (opts.mac_list)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
92 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
93 if (strcmp(opts.mac_list, "help") == 0)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
94 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
95 char *macs = algolist_string(sshhashes);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
96 dropbear_log(LOG_INFO, "Available MACs:\n%s\n", macs);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
97 m_free(macs);
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
98 dropbear_exit(".");
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
99 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
100
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
101 if (check_user_algos(opts.mac_list, sshhashes, "MAC") == 0)
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
102 {
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
103 dropbear_exit("No valid MACs specified for '-m'");
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
104 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
105 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
106 }
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
107 #endif
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
108
948
f92eb625c48d - Don't use multichar constants since recent gcc complains
Matt Johnston <matt@ucc.asn.au>
parents: 946
diff changeset
109 void print_version() {
f92eb625c48d - Don't use multichar constants since recent gcc complains
Matt Johnston <matt@ucc.asn.au>
parents: 946
diff changeset
110 fprintf(stderr, "Dropbear v%s\n", DROPBEAR_VERSION);
946
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
111 }
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
112
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
113