Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1 | /* |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 4 | * All rights reserved |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 5 | * Functions for reading the configuration files. |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 6 | * |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 7 | * As far as I am concerned, the code I have written for this software |
| 8 | * can be used freely for any purpose. Any derived versions of this |
| 9 | * software must be clearly marked as such, and if the derived work is |
| 10 | * incompatible with the protocol description in the RFC file, it must be |
| 11 | * called by a name other than "ssh" or "Secure Shell". |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 12 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 13 | |
| 14 | #include "includes.h" |
Ben Lindstrom | edc0cf2 | 2001-09-12 18:32:20 +0000 | [diff] [blame^] | 15 | RCSID("$OpenBSD: readconf.c,v 1.89 2001/09/03 20:58:33 stevesk Exp $"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 16 | |
| 17 | #include "ssh.h" |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 18 | #include "xmalloc.h" |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 19 | #include "compat.h" |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 20 | #include "cipher.h" |
| 21 | #include "pathnames.h" |
| 22 | #include "log.h" |
| 23 | #include "readconf.h" |
| 24 | #include "match.h" |
| 25 | #include "misc.h" |
Ben Lindstrom | 06b33aa | 2001-02-15 03:01:59 +0000 | [diff] [blame] | 26 | #include "kex.h" |
| 27 | #include "mac.h" |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 28 | |
| 29 | /* Format of the configuration file: |
| 30 | |
| 31 | # Configuration data is parsed as follows: |
| 32 | # 1. command line options |
| 33 | # 2. user-specific file |
| 34 | # 3. system-wide file |
| 35 | # Any configuration value is only changed the first time it is set. |
| 36 | # Thus, host-specific definitions should be at the beginning of the |
| 37 | # configuration file, and defaults at the end. |
| 38 | |
| 39 | # Host-specific declarations. These may override anything above. A single |
| 40 | # host may match multiple declarations; these are processed in the order |
| 41 | # that they are given in. |
| 42 | |
| 43 | Host *.ngs.fi ngs.fi |
| 44 | FallBackToRsh no |
| 45 | |
| 46 | Host fake.com |
| 47 | HostName another.host.name.real.org |
| 48 | User blaah |
| 49 | Port 34289 |
| 50 | ForwardX11 no |
| 51 | ForwardAgent no |
| 52 | |
| 53 | Host books.com |
| 54 | RemoteForward 9999 shadows.cs.hut.fi:9999 |
| 55 | Cipher 3des |
| 56 | |
| 57 | Host fascist.blob.com |
| 58 | Port 23123 |
| 59 | User tylonen |
| 60 | RhostsAuthentication no |
| 61 | PasswordAuthentication no |
| 62 | |
| 63 | Host puukko.hut.fi |
| 64 | User t35124p |
| 65 | ProxyCommand ssh-proxy %h %p |
| 66 | |
| 67 | Host *.fr |
| 68 | UseRsh yes |
| 69 | |
| 70 | Host *.su |
| 71 | Cipher none |
| 72 | PasswordAuthentication no |
| 73 | |
| 74 | # Defaults for various options |
| 75 | Host * |
| 76 | ForwardAgent no |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 77 | ForwardX11 no |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 78 | RhostsAuthentication yes |
| 79 | PasswordAuthentication yes |
| 80 | RSAAuthentication yes |
| 81 | RhostsRSAAuthentication yes |
| 82 | FallBackToRsh no |
| 83 | UseRsh no |
| 84 | StrictHostKeyChecking yes |
| 85 | KeepAlives no |
| 86 | IdentityFile ~/.ssh/identity |
| 87 | Port 22 |
| 88 | EscapeChar ~ |
| 89 | |
| 90 | */ |
| 91 | |
| 92 | /* Keyword tokens. */ |
| 93 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 94 | typedef enum { |
| 95 | oBadOption, |
| 96 | oForwardAgent, oForwardX11, oGatewayPorts, oRhostsAuthentication, |
| 97 | oPasswordAuthentication, oRSAAuthentication, oFallBackToRsh, oUseRsh, |
Ben Lindstrom | 95fb2dd | 2001-01-23 03:12:10 +0000 | [diff] [blame] | 98 | oChallengeResponseAuthentication, oXAuthLocation, |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 99 | #if defined(KRB4) || defined(KRB5) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 100 | oKerberosAuthentication, |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 101 | #endif |
| 102 | #if defined(AFS) || defined(KRB5) |
| 103 | oKerberosTgtPassing, |
| 104 | #endif |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 105 | #ifdef AFS |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 106 | oAFSTokenPassing, |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 107 | #endif |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 108 | oIdentityFile, oHostName, oPort, oCipher, oRemoteForward, oLocalForward, |
| 109 | oUser, oHost, oEscapeChar, oRhostsRSAAuthentication, oProxyCommand, |
| 110 | oGlobalKnownHostsFile, oUserKnownHostsFile, oConnectionAttempts, |
| 111 | oBatchMode, oCheckHostIP, oStrictHostKeyChecking, oCompression, |
Ben Lindstrom | 95fb2dd | 2001-01-23 03:12:10 +0000 | [diff] [blame] | 112 | oCompressionLevel, oKeepAlives, oNumberOfPasswordPrompts, |
Ben Lindstrom | 06b33aa | 2001-02-15 03:01:59 +0000 | [diff] [blame] | 113 | oUsePrivilegedPort, oLogLevel, oCiphers, oProtocol, oMacs, |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 114 | oGlobalKnownHostsFile2, oUserKnownHostsFile2, oPubkeyAuthentication, |
Ben Lindstrom | b9be60a | 2001-03-11 01:49:19 +0000 | [diff] [blame] | 115 | oKbdInteractiveAuthentication, oKbdInteractiveDevices, oHostKeyAlias, |
Ben Lindstrom | 982dbbc | 2001-04-17 18:11:36 +0000 | [diff] [blame] | 116 | oDynamicForward, oPreferredAuthentications, oHostbasedAuthentication, |
Ben Lindstrom | ae996bf | 2001-08-06 21:27:53 +0000 | [diff] [blame] | 117 | oHostKeyAlgorithms, oBindAddress, oSmartcardDevice |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 118 | } OpCodes; |
| 119 | |
| 120 | /* Textual representations of the tokens. */ |
| 121 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 122 | static struct { |
| 123 | const char *name; |
| 124 | OpCodes opcode; |
| 125 | } keywords[] = { |
| 126 | { "forwardagent", oForwardAgent }, |
| 127 | { "forwardx11", oForwardX11 }, |
Damien Miller | d3a1857 | 2000-06-07 19:55:44 +1000 | [diff] [blame] | 128 | { "xauthlocation", oXAuthLocation }, |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 129 | { "gatewayports", oGatewayPorts }, |
| 130 | { "useprivilegedport", oUsePrivilegedPort }, |
| 131 | { "rhostsauthentication", oRhostsAuthentication }, |
| 132 | { "passwordauthentication", oPasswordAuthentication }, |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 133 | { "kbdinteractiveauthentication", oKbdInteractiveAuthentication }, |
| 134 | { "kbdinteractivedevices", oKbdInteractiveDevices }, |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 135 | { "rsaauthentication", oRSAAuthentication }, |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 136 | { "pubkeyauthentication", oPubkeyAuthentication }, |
Ben Lindstrom | 95fb2dd | 2001-01-23 03:12:10 +0000 | [diff] [blame] | 137 | { "dsaauthentication", oPubkeyAuthentication }, /* alias */ |
Ben Lindstrom | 5eabda3 | 2001-04-12 23:34:34 +0000 | [diff] [blame] | 138 | { "rhostsrsaauthentication", oRhostsRSAAuthentication }, |
Ben Lindstrom | d69dab3 | 2001-04-12 23:36:05 +0000 | [diff] [blame] | 139 | { "hostbasedauthentication", oHostbasedAuthentication }, |
Ben Lindstrom | 95fb2dd | 2001-01-23 03:12:10 +0000 | [diff] [blame] | 140 | { "challengeresponseauthentication", oChallengeResponseAuthentication }, |
| 141 | { "skeyauthentication", oChallengeResponseAuthentication }, /* alias */ |
| 142 | { "tisauthentication", oChallengeResponseAuthentication }, /* alias */ |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 143 | #if defined(KRB4) || defined(KRB5) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 144 | { "kerberosauthentication", oKerberosAuthentication }, |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 145 | #endif |
| 146 | #if defined(AFS) || defined(KRB5) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 147 | { "kerberostgtpassing", oKerberosTgtPassing }, |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 148 | #endif |
| 149 | #ifdef AFS |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 150 | { "afstokenpassing", oAFSTokenPassing }, |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 151 | #endif |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 152 | { "fallbacktorsh", oFallBackToRsh }, |
| 153 | { "usersh", oUseRsh }, |
| 154 | { "identityfile", oIdentityFile }, |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 155 | { "identityfile2", oIdentityFile }, /* alias */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 156 | { "hostname", oHostName }, |
Ben Lindstrom | 4dccfa5 | 2000-12-28 16:40:05 +0000 | [diff] [blame] | 157 | { "hostkeyalias", oHostKeyAlias }, |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 158 | { "proxycommand", oProxyCommand }, |
| 159 | { "port", oPort }, |
| 160 | { "cipher", oCipher }, |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 161 | { "ciphers", oCiphers }, |
Ben Lindstrom | 06b33aa | 2001-02-15 03:01:59 +0000 | [diff] [blame] | 162 | { "macs", oMacs }, |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 163 | { "protocol", oProtocol }, |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 164 | { "remoteforward", oRemoteForward }, |
| 165 | { "localforward", oLocalForward }, |
| 166 | { "user", oUser }, |
| 167 | { "host", oHost }, |
| 168 | { "escapechar", oEscapeChar }, |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 169 | { "globalknownhostsfile", oGlobalKnownHostsFile }, |
Ben Lindstrom | d6481ea | 2001-06-25 04:37:41 +0000 | [diff] [blame] | 170 | { "userknownhostsfile", oUserKnownHostsFile }, /* obsolete */ |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 171 | { "globalknownhostsfile2", oGlobalKnownHostsFile2 }, |
Ben Lindstrom | d6481ea | 2001-06-25 04:37:41 +0000 | [diff] [blame] | 172 | { "userknownhostsfile2", oUserKnownHostsFile2 }, /* obsolete */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 173 | { "connectionattempts", oConnectionAttempts }, |
| 174 | { "batchmode", oBatchMode }, |
| 175 | { "checkhostip", oCheckHostIP }, |
| 176 | { "stricthostkeychecking", oStrictHostKeyChecking }, |
| 177 | { "compression", oCompression }, |
| 178 | { "compressionlevel", oCompressionLevel }, |
| 179 | { "keepalive", oKeepAlives }, |
| 180 | { "numberofpasswordprompts", oNumberOfPasswordPrompts }, |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 181 | { "loglevel", oLogLevel }, |
Ben Lindstrom | 3bb4f9d | 2001-04-08 18:30:26 +0000 | [diff] [blame] | 182 | { "dynamicforward", oDynamicForward }, |
Ben Lindstrom | b9be60a | 2001-03-11 01:49:19 +0000 | [diff] [blame] | 183 | { "preferredauthentications", oPreferredAuthentications }, |
Ben Lindstrom | 982dbbc | 2001-04-17 18:11:36 +0000 | [diff] [blame] | 184 | { "hostkeyalgorithms", oHostKeyAlgorithms }, |
Ben Lindstrom | e0f8804 | 2001-04-30 13:06:24 +0000 | [diff] [blame] | 185 | { "bindaddress", oBindAddress }, |
Ben Lindstrom | ae996bf | 2001-08-06 21:27:53 +0000 | [diff] [blame] | 186 | { "smartcarddevice", oSmartcardDevice }, |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 187 | { NULL, 0 } |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 188 | }; |
| 189 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 190 | /* |
| 191 | * Adds a local TCP/IP port forward to options. Never returns if there is an |
| 192 | * error. |
| 193 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 194 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 195 | void |
Damien Miller | aae6c61 | 1999-12-06 11:47:28 +1100 | [diff] [blame] | 196 | add_local_forward(Options *options, u_short port, const char *host, |
| 197 | u_short host_port) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 198 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 199 | Forward *fwd; |
Damien Miller | bac2d8a | 2000-09-05 16:13:06 +1100 | [diff] [blame] | 200 | #ifndef HAVE_CYGWIN |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 201 | extern uid_t original_real_uid; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 202 | if (port < IPPORT_RESERVED && original_real_uid != 0) |
Ben Lindstrom | 6df8ef4 | 2001-03-05 07:47:23 +0000 | [diff] [blame] | 203 | fatal("Privileged ports can only be forwarded by root."); |
Damien Miller | bac2d8a | 2000-09-05 16:13:06 +1100 | [diff] [blame] | 204 | #endif |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 205 | if (options->num_local_forwards >= SSH_MAX_FORWARDS_PER_DIRECTION) |
| 206 | fatal("Too many local forwards (max %d).", SSH_MAX_FORWARDS_PER_DIRECTION); |
| 207 | fwd = &options->local_forwards[options->num_local_forwards++]; |
| 208 | fwd->port = port; |
| 209 | fwd->host = xstrdup(host); |
| 210 | fwd->host_port = host_port; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 211 | } |
| 212 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 213 | /* |
| 214 | * Adds a remote TCP/IP port forward to options. Never returns if there is |
| 215 | * an error. |
| 216 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 217 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 218 | void |
Damien Miller | aae6c61 | 1999-12-06 11:47:28 +1100 | [diff] [blame] | 219 | add_remote_forward(Options *options, u_short port, const char *host, |
| 220 | u_short host_port) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 221 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 222 | Forward *fwd; |
| 223 | if (options->num_remote_forwards >= SSH_MAX_FORWARDS_PER_DIRECTION) |
| 224 | fatal("Too many remote forwards (max %d).", |
| 225 | SSH_MAX_FORWARDS_PER_DIRECTION); |
| 226 | fwd = &options->remote_forwards[options->num_remote_forwards++]; |
| 227 | fwd->port = port; |
| 228 | fwd->host = xstrdup(host); |
| 229 | fwd->host_port = host_port; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 230 | } |
| 231 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 232 | /* |
Ben Lindstrom | 3704c26 | 2001-04-02 18:20:03 +0000 | [diff] [blame] | 233 | * Returns the number of the token pointed to by cp or oBadOption. |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 234 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 235 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 236 | static OpCodes |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 237 | parse_token(const char *cp, const char *filename, int linenum) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 238 | { |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 239 | u_int i; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 240 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 241 | for (i = 0; keywords[i].name; i++) |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 242 | if (strcasecmp(cp, keywords[i].name) == 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 243 | return keywords[i].opcode; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 244 | |
Ben Lindstrom | b5cdc66 | 2001-04-16 02:13:26 +0000 | [diff] [blame] | 245 | error("%s: line %d: Bad configuration option: %s", |
| 246 | filename, linenum, cp); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 247 | return oBadOption; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 248 | } |
| 249 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 250 | /* |
| 251 | * Processes a single option line as used in the configuration files. This |
| 252 | * only sets those values that have not already been set. |
| 253 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 254 | |
Damien Miller | 2ccf661 | 1999-11-15 15:25:10 +1100 | [diff] [blame] | 255 | int |
| 256 | process_config_line(Options *options, const char *host, |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 257 | char *line, const char *filename, int linenum, |
| 258 | int *activep) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 259 | { |
Ben Lindstrom | d0ff408 | 2001-08-15 22:58:59 +0000 | [diff] [blame] | 260 | char buf[256], *s, *string, **charptr, *endofnumber, *keyword, *arg; |
Damien Miller | aae6c61 | 1999-12-06 11:47:28 +1100 | [diff] [blame] | 261 | int opcode, *intptr, value; |
| 262 | u_short fwd_port, fwd_host_port; |
Ben Lindstrom | 62c25a4 | 2001-09-12 18:01:59 +0000 | [diff] [blame] | 263 | char sfwd_host_port[6]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 264 | |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 265 | s = line; |
| 266 | /* Get the keyword. (Each line is supposed to begin with a keyword). */ |
| 267 | keyword = strdelim(&s); |
| 268 | /* Ignore leading whitespace. */ |
| 269 | if (*keyword == '\0') |
| 270 | keyword = strdelim(&s); |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 271 | if (keyword == NULL || !*keyword || *keyword == '\n' || *keyword == '#') |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 272 | return 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 273 | |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 274 | opcode = parse_token(keyword, filename, linenum); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 275 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 276 | switch (opcode) { |
| 277 | case oBadOption: |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 278 | /* don't panic, but count bad options */ |
| 279 | return -1; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 280 | /* NOTREACHED */ |
| 281 | case oForwardAgent: |
| 282 | intptr = &options->forward_agent; |
| 283 | parse_flag: |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 284 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 285 | if (!arg || *arg == '\0') |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 286 | fatal("%.200s line %d: Missing yes/no argument.", filename, linenum); |
| 287 | value = 0; /* To avoid compiler warning... */ |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 288 | if (strcmp(arg, "yes") == 0 || strcmp(arg, "true") == 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 289 | value = 1; |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 290 | else if (strcmp(arg, "no") == 0 || strcmp(arg, "false") == 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 291 | value = 0; |
| 292 | else |
| 293 | fatal("%.200s line %d: Bad yes/no argument.", filename, linenum); |
| 294 | if (*activep && *intptr == -1) |
| 295 | *intptr = value; |
| 296 | break; |
| 297 | |
| 298 | case oForwardX11: |
| 299 | intptr = &options->forward_x11; |
| 300 | goto parse_flag; |
| 301 | |
| 302 | case oGatewayPorts: |
| 303 | intptr = &options->gateway_ports; |
| 304 | goto parse_flag; |
| 305 | |
| 306 | case oUsePrivilegedPort: |
| 307 | intptr = &options->use_privileged_port; |
| 308 | goto parse_flag; |
| 309 | |
| 310 | case oRhostsAuthentication: |
| 311 | intptr = &options->rhosts_authentication; |
| 312 | goto parse_flag; |
| 313 | |
| 314 | case oPasswordAuthentication: |
| 315 | intptr = &options->password_authentication; |
| 316 | goto parse_flag; |
| 317 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 318 | case oKbdInteractiveAuthentication: |
| 319 | intptr = &options->kbd_interactive_authentication; |
| 320 | goto parse_flag; |
| 321 | |
| 322 | case oKbdInteractiveDevices: |
| 323 | charptr = &options->kbd_interactive_devices; |
| 324 | goto parse_string; |
| 325 | |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 326 | case oPubkeyAuthentication: |
| 327 | intptr = &options->pubkey_authentication; |
Damien Miller | e247cc4 | 2000-05-07 12:03:14 +1000 | [diff] [blame] | 328 | goto parse_flag; |
| 329 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 330 | case oRSAAuthentication: |
| 331 | intptr = &options->rsa_authentication; |
| 332 | goto parse_flag; |
| 333 | |
| 334 | case oRhostsRSAAuthentication: |
| 335 | intptr = &options->rhosts_rsa_authentication; |
| 336 | goto parse_flag; |
| 337 | |
Ben Lindstrom | 5eabda3 | 2001-04-12 23:34:34 +0000 | [diff] [blame] | 338 | case oHostbasedAuthentication: |
| 339 | intptr = &options->hostbased_authentication; |
| 340 | goto parse_flag; |
| 341 | |
Ben Lindstrom | 95fb2dd | 2001-01-23 03:12:10 +0000 | [diff] [blame] | 342 | case oChallengeResponseAuthentication: |
Ben Lindstrom | 551ea37 | 2001-06-05 18:56:16 +0000 | [diff] [blame] | 343 | intptr = &options->challenge_response_authentication; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 344 | goto parse_flag; |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 345 | #if defined(KRB4) || defined(KRB5) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 346 | case oKerberosAuthentication: |
| 347 | intptr = &options->kerberos_authentication; |
| 348 | goto parse_flag; |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 349 | #endif |
| 350 | #if defined(AFS) || defined(KRB5) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 351 | case oKerberosTgtPassing: |
| 352 | intptr = &options->kerberos_tgt_passing; |
| 353 | goto parse_flag; |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 354 | #endif |
| 355 | #ifdef AFS |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 356 | case oAFSTokenPassing: |
| 357 | intptr = &options->afs_token_passing; |
| 358 | goto parse_flag; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 359 | #endif |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 360 | case oFallBackToRsh: |
| 361 | intptr = &options->fallback_to_rsh; |
| 362 | goto parse_flag; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 363 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 364 | case oUseRsh: |
| 365 | intptr = &options->use_rsh; |
| 366 | goto parse_flag; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 367 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 368 | case oBatchMode: |
| 369 | intptr = &options->batch_mode; |
| 370 | goto parse_flag; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 371 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 372 | case oCheckHostIP: |
| 373 | intptr = &options->check_host_ip; |
| 374 | goto parse_flag; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 375 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 376 | case oStrictHostKeyChecking: |
| 377 | intptr = &options->strict_host_key_checking; |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 378 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 379 | if (!arg || *arg == '\0') |
Ben Lindstrom | 5ed8acd | 2001-01-29 08:00:54 +0000 | [diff] [blame] | 380 | fatal("%.200s line %d: Missing yes/no/ask argument.", |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 381 | filename, linenum); |
| 382 | value = 0; /* To avoid compiler warning... */ |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 383 | if (strcmp(arg, "yes") == 0 || strcmp(arg, "true") == 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 384 | value = 1; |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 385 | else if (strcmp(arg, "no") == 0 || strcmp(arg, "false") == 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 386 | value = 0; |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 387 | else if (strcmp(arg, "ask") == 0) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 388 | value = 2; |
| 389 | else |
| 390 | fatal("%.200s line %d: Bad yes/no/ask argument.", filename, linenum); |
| 391 | if (*activep && *intptr == -1) |
| 392 | *intptr = value; |
| 393 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 394 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 395 | case oCompression: |
| 396 | intptr = &options->compression; |
| 397 | goto parse_flag; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 398 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 399 | case oKeepAlives: |
| 400 | intptr = &options->keepalives; |
| 401 | goto parse_flag; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 402 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 403 | case oNumberOfPasswordPrompts: |
| 404 | intptr = &options->number_of_password_prompts; |
| 405 | goto parse_int; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 406 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 407 | case oCompressionLevel: |
| 408 | intptr = &options->compression_level; |
| 409 | goto parse_int; |
| 410 | |
| 411 | case oIdentityFile: |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 412 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 413 | if (!arg || *arg == '\0') |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 414 | fatal("%.200s line %d: Missing argument.", filename, linenum); |
| 415 | if (*activep) { |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 416 | intptr = &options->num_identity_files; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 417 | if (*intptr >= SSH_MAX_IDENTITY_FILES) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 418 | fatal("%.200s line %d: Too many identity files specified (max %d).", |
| 419 | filename, linenum, SSH_MAX_IDENTITY_FILES); |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 420 | charptr = &options->identity_files[*intptr]; |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 421 | *charptr = xstrdup(arg); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 422 | *intptr = *intptr + 1; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 423 | } |
| 424 | break; |
| 425 | |
Damien Miller | d3a1857 | 2000-06-07 19:55:44 +1000 | [diff] [blame] | 426 | case oXAuthLocation: |
| 427 | charptr=&options->xauth_location; |
| 428 | goto parse_string; |
| 429 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 430 | case oUser: |
| 431 | charptr = &options->user; |
| 432 | parse_string: |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 433 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 434 | if (!arg || *arg == '\0') |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 435 | fatal("%.200s line %d: Missing argument.", filename, linenum); |
| 436 | if (*activep && *charptr == NULL) |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 437 | *charptr = xstrdup(arg); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 438 | break; |
| 439 | |
| 440 | case oGlobalKnownHostsFile: |
| 441 | charptr = &options->system_hostfile; |
| 442 | goto parse_string; |
| 443 | |
| 444 | case oUserKnownHostsFile: |
| 445 | charptr = &options->user_hostfile; |
| 446 | goto parse_string; |
| 447 | |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 448 | case oGlobalKnownHostsFile2: |
| 449 | charptr = &options->system_hostfile2; |
| 450 | goto parse_string; |
| 451 | |
| 452 | case oUserKnownHostsFile2: |
| 453 | charptr = &options->user_hostfile2; |
| 454 | goto parse_string; |
| 455 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 456 | case oHostName: |
| 457 | charptr = &options->hostname; |
| 458 | goto parse_string; |
| 459 | |
Ben Lindstrom | 4dccfa5 | 2000-12-28 16:40:05 +0000 | [diff] [blame] | 460 | case oHostKeyAlias: |
| 461 | charptr = &options->host_key_alias; |
| 462 | goto parse_string; |
| 463 | |
Ben Lindstrom | b9be60a | 2001-03-11 01:49:19 +0000 | [diff] [blame] | 464 | case oPreferredAuthentications: |
| 465 | charptr = &options->preferred_authentications; |
| 466 | goto parse_string; |
| 467 | |
Ben Lindstrom | e0f8804 | 2001-04-30 13:06:24 +0000 | [diff] [blame] | 468 | case oBindAddress: |
| 469 | charptr = &options->bind_address; |
| 470 | goto parse_string; |
| 471 | |
Ben Lindstrom | ae996bf | 2001-08-06 21:27:53 +0000 | [diff] [blame] | 472 | case oSmartcardDevice: |
Ben Lindstrom | f7db3bb | 2001-08-06 21:35:51 +0000 | [diff] [blame] | 473 | charptr = &options->smartcard_device; |
| 474 | goto parse_string; |
Ben Lindstrom | ae996bf | 2001-08-06 21:27:53 +0000 | [diff] [blame] | 475 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 476 | case oProxyCommand: |
| 477 | charptr = &options->proxy_command; |
Ben Lindstrom | d0ff408 | 2001-08-15 22:58:59 +0000 | [diff] [blame] | 478 | string = xstrdup(""); |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 479 | while ((arg = strdelim(&s)) != NULL && *arg != '\0') { |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 480 | string = xrealloc(string, strlen(string) + strlen(arg) + 2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 481 | strcat(string, " "); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 482 | strcat(string, arg); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 483 | } |
| 484 | if (*activep && *charptr == NULL) |
| 485 | *charptr = string; |
| 486 | else |
| 487 | xfree(string); |
| 488 | return 0; |
| 489 | |
| 490 | case oPort: |
| 491 | intptr = &options->port; |
| 492 | parse_int: |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 493 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 494 | if (!arg || *arg == '\0') |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 495 | fatal("%.200s line %d: Missing argument.", filename, linenum); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 496 | if (arg[0] < '0' || arg[0] > '9') |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 497 | fatal("%.200s line %d: Bad number.", filename, linenum); |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 498 | |
| 499 | /* Octal, decimal, or hex format? */ |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 500 | value = strtol(arg, &endofnumber, 0); |
| 501 | if (arg == endofnumber) |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 502 | fatal("%.200s line %d: Bad number.", filename, linenum); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 503 | if (*activep && *intptr == -1) |
| 504 | *intptr = value; |
| 505 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 506 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 507 | case oConnectionAttempts: |
| 508 | intptr = &options->connection_attempts; |
| 509 | goto parse_int; |
Damien Miller | 5ce662a | 1999-11-11 17:57:39 +1100 | [diff] [blame] | 510 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 511 | case oCipher: |
| 512 | intptr = &options->cipher; |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 513 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 514 | if (!arg || *arg == '\0') |
Damien Miller | b1715dc | 2000-05-30 13:44:51 +1000 | [diff] [blame] | 515 | fatal("%.200s line %d: Missing argument.", filename, linenum); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 516 | value = cipher_number(arg); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 517 | if (value == -1) |
| 518 | fatal("%.200s line %d: Bad cipher '%s'.", |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 519 | filename, linenum, arg ? arg : "<NONE>"); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 520 | if (*activep && *intptr == -1) |
| 521 | *intptr = value; |
| 522 | break; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 523 | |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 524 | case oCiphers: |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 525 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 526 | if (!arg || *arg == '\0') |
Damien Miller | b1715dc | 2000-05-30 13:44:51 +1000 | [diff] [blame] | 527 | fatal("%.200s line %d: Missing argument.", filename, linenum); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 528 | if (!ciphers_valid(arg)) |
Damien Miller | 30c3d42 | 2000-05-09 11:02:59 +1000 | [diff] [blame] | 529 | fatal("%.200s line %d: Bad SSH2 cipher spec '%s'.", |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 530 | filename, linenum, arg ? arg : "<NONE>"); |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 531 | if (*activep && options->ciphers == NULL) |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 532 | options->ciphers = xstrdup(arg); |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 533 | break; |
| 534 | |
Ben Lindstrom | 06b33aa | 2001-02-15 03:01:59 +0000 | [diff] [blame] | 535 | case oMacs: |
| 536 | arg = strdelim(&s); |
| 537 | if (!arg || *arg == '\0') |
| 538 | fatal("%.200s line %d: Missing argument.", filename, linenum); |
| 539 | if (!mac_valid(arg)) |
| 540 | fatal("%.200s line %d: Bad SSH2 Mac spec '%s'.", |
| 541 | filename, linenum, arg ? arg : "<NONE>"); |
| 542 | if (*activep && options->macs == NULL) |
| 543 | options->macs = xstrdup(arg); |
| 544 | break; |
| 545 | |
Ben Lindstrom | 982dbbc | 2001-04-17 18:11:36 +0000 | [diff] [blame] | 546 | case oHostKeyAlgorithms: |
| 547 | arg = strdelim(&s); |
| 548 | if (!arg || *arg == '\0') |
| 549 | fatal("%.200s line %d: Missing argument.", filename, linenum); |
| 550 | if (!key_names_valid2(arg)) |
| 551 | fatal("%.200s line %d: Bad protocol 2 host key algorithms '%s'.", |
| 552 | filename, linenum, arg ? arg : "<NONE>"); |
| 553 | if (*activep && options->hostkeyalgorithms == NULL) |
| 554 | options->hostkeyalgorithms = xstrdup(arg); |
| 555 | break; |
| 556 | |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 557 | case oProtocol: |
| 558 | intptr = &options->protocol; |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 559 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 560 | if (!arg || *arg == '\0') |
Damien Miller | b1715dc | 2000-05-30 13:44:51 +1000 | [diff] [blame] | 561 | fatal("%.200s line %d: Missing argument.", filename, linenum); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 562 | value = proto_spec(arg); |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 563 | if (value == SSH_PROTO_UNKNOWN) |
| 564 | fatal("%.200s line %d: Bad protocol spec '%s'.", |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 565 | filename, linenum, arg ? arg : "<NONE>"); |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 566 | if (*activep && *intptr == SSH_PROTO_UNKNOWN) |
| 567 | *intptr = value; |
| 568 | break; |
| 569 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 570 | case oLogLevel: |
| 571 | intptr = (int *) &options->log_level; |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 572 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 573 | value = log_level_number(arg); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 574 | if (value == (LogLevel) - 1) |
Ben Lindstrom | 6df8ef4 | 2001-03-05 07:47:23 +0000 | [diff] [blame] | 575 | fatal("%.200s line %d: unsupported log level '%s'", |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 576 | filename, linenum, arg ? arg : "<NONE>"); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 577 | if (*activep && (LogLevel) * intptr == -1) |
| 578 | *intptr = (LogLevel) value; |
| 579 | break; |
| 580 | |
Ben Lindstrom | 62c25a4 | 2001-09-12 18:01:59 +0000 | [diff] [blame] | 581 | case oLocalForward: |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 582 | case oRemoteForward: |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 583 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 584 | if (!arg || *arg == '\0') |
Ben Lindstrom | 62c25a4 | 2001-09-12 18:01:59 +0000 | [diff] [blame] | 585 | fatal("%.200s line %d: Missing port argument.", |
| 586 | filename, linenum); |
| 587 | if ((fwd_port = a2port(arg)) == 0) |
| 588 | fatal("%.200s line %d: Bad listen port.", |
| 589 | filename, linenum); |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 590 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 591 | if (!arg || *arg == '\0') |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 592 | fatal("%.200s line %d: Missing second argument.", |
Ben Lindstrom | 62c25a4 | 2001-09-12 18:01:59 +0000 | [diff] [blame] | 593 | filename, linenum); |
| 594 | if (sscanf(arg, "%255[^:]:%5[0-9]", buf, sfwd_host_port) != 2 && |
| 595 | sscanf(arg, "%255[^/]/%5[0-9]", buf, sfwd_host_port) != 2) |
| 596 | fatal("%.200s line %d: Bad forwarding specification.", |
| 597 | filename, linenum); |
| 598 | if ((fwd_host_port = a2port(sfwd_host_port)) == 0) |
| 599 | fatal("%.200s line %d: Bad forwarding port.", |
| 600 | filename, linenum); |
| 601 | if (*activep) { |
| 602 | if (opcode == oLocalForward) |
| 603 | add_local_forward(options, fwd_port, buf, |
| 604 | fwd_host_port); |
| 605 | else if (opcode == oRemoteForward) |
| 606 | add_remote_forward(options, fwd_port, buf, |
| 607 | fwd_host_port); |
| 608 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 609 | break; |
| 610 | |
Ben Lindstrom | 3bb4f9d | 2001-04-08 18:30:26 +0000 | [diff] [blame] | 611 | case oDynamicForward: |
| 612 | arg = strdelim(&s); |
| 613 | if (!arg || *arg == '\0') |
| 614 | fatal("%.200s line %d: Missing port argument.", |
| 615 | filename, linenum); |
Ben Lindstrom | 19066a1 | 2001-04-12 23:39:26 +0000 | [diff] [blame] | 616 | fwd_port = a2port(arg); |
| 617 | if (fwd_port == 0) |
Ben Lindstrom | 3bb4f9d | 2001-04-08 18:30:26 +0000 | [diff] [blame] | 618 | fatal("%.200s line %d: Badly formatted port number.", |
| 619 | filename, linenum); |
Ben Lindstrom | 525a093 | 2001-09-12 17:35:27 +0000 | [diff] [blame] | 620 | if (*activep) |
| 621 | add_local_forward(options, fwd_port, "socks4", 0); |
Ben Lindstrom | 5eabda3 | 2001-04-12 23:34:34 +0000 | [diff] [blame] | 622 | break; |
Ben Lindstrom | 3bb4f9d | 2001-04-08 18:30:26 +0000 | [diff] [blame] | 623 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 624 | case oHost: |
| 625 | *activep = 0; |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 626 | while ((arg = strdelim(&s)) != NULL && *arg != '\0') |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 627 | if (match_pattern(host, arg)) { |
| 628 | debug("Applying options for %.100s", arg); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 629 | *activep = 1; |
| 630 | break; |
| 631 | } |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 632 | /* Avoid garbage check below, as strdelim is done. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 633 | return 0; |
| 634 | |
| 635 | case oEscapeChar: |
| 636 | intptr = &options->escape_char; |
Damien Miller | be484b5 | 2000-07-15 14:14:16 +1000 | [diff] [blame] | 637 | arg = strdelim(&s); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 638 | if (!arg || *arg == '\0') |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 639 | fatal("%.200s line %d: Missing argument.", filename, linenum); |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 640 | if (arg[0] == '^' && arg[2] == 0 && |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 641 | (u_char) arg[1] >= 64 && (u_char) arg[1] < 128) |
| 642 | value = (u_char) arg[1] & 31; |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 643 | else if (strlen(arg) == 1) |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 644 | value = (u_char) arg[0]; |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 645 | else if (strcmp(arg, "none") == 0) |
Ben Lindstrom | 2b1f71b | 2001-06-05 20:32:21 +0000 | [diff] [blame] | 646 | value = SSH_ESCAPECHAR_NONE; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 647 | else { |
| 648 | fatal("%.200s line %d: Bad escape character.", |
| 649 | filename, linenum); |
| 650 | /* NOTREACHED */ |
| 651 | value = 0; /* Avoid compiler warning. */ |
| 652 | } |
| 653 | if (*activep && *intptr == -1) |
| 654 | *intptr = value; |
| 655 | break; |
| 656 | |
| 657 | default: |
| 658 | fatal("process_config_line: Unimplemented opcode %d", opcode); |
| 659 | } |
| 660 | |
| 661 | /* Check that there is no garbage at end of line. */ |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 662 | if ((arg = strdelim(&s)) != NULL && *arg != '\0') { |
Damien Miller | 3702396 | 2000-07-11 17:31:38 +1000 | [diff] [blame] | 663 | fatal("%.200s line %d: garbage at end of line; \"%.200s\".", |
| 664 | filename, linenum, arg); |
| 665 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 666 | return 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 667 | } |
| 668 | |
| 669 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 670 | /* |
| 671 | * Reads the config file and modifies the options accordingly. Options |
| 672 | * should already be initialized before this call. This never returns if |
Ben Lindstrom | edc0cf2 | 2001-09-12 18:32:20 +0000 | [diff] [blame^] | 673 | * there is an error. If the file does not exist, this returns 0. |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 674 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 675 | |
Ben Lindstrom | edc0cf2 | 2001-09-12 18:32:20 +0000 | [diff] [blame^] | 676 | int |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 677 | read_config_file(const char *filename, const char *host, Options *options) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 678 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 679 | FILE *f; |
| 680 | char line[1024]; |
| 681 | int active, linenum; |
| 682 | int bad_options = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 683 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 684 | /* Open the file. */ |
| 685 | f = fopen(filename, "r"); |
| 686 | if (!f) |
Ben Lindstrom | edc0cf2 | 2001-09-12 18:32:20 +0000 | [diff] [blame^] | 687 | return 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 688 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 689 | debug("Reading configuration data %.200s", filename); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 690 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 691 | /* |
| 692 | * Mark that we are now processing the options. This flag is turned |
| 693 | * on/off by Host specifications. |
| 694 | */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 695 | active = 1; |
| 696 | linenum = 0; |
| 697 | while (fgets(line, sizeof(line), f)) { |
| 698 | /* Update line number counter. */ |
| 699 | linenum++; |
| 700 | if (process_config_line(options, host, line, filename, linenum, &active) != 0) |
| 701 | bad_options++; |
| 702 | } |
| 703 | fclose(f); |
| 704 | if (bad_options > 0) |
Ben Lindstrom | 6df8ef4 | 2001-03-05 07:47:23 +0000 | [diff] [blame] | 705 | fatal("%s: terminating, %d bad configuration options", |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 706 | filename, bad_options); |
Ben Lindstrom | edc0cf2 | 2001-09-12 18:32:20 +0000 | [diff] [blame^] | 707 | return 1; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 708 | } |
| 709 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 710 | /* |
| 711 | * Initializes options to special values that indicate that they have not yet |
| 712 | * been set. Read_config_file will only set options with this value. Options |
| 713 | * are processed in the following order: command line, user config file, |
| 714 | * system config file. Last, fill_default_options is called. |
| 715 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 716 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 717 | void |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 718 | initialize_options(Options * options) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 719 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 720 | memset(options, 'X', sizeof(*options)); |
| 721 | options->forward_agent = -1; |
| 722 | options->forward_x11 = -1; |
Damien Miller | d3a1857 | 2000-06-07 19:55:44 +1000 | [diff] [blame] | 723 | options->xauth_location = NULL; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 724 | options->gateway_ports = -1; |
| 725 | options->use_privileged_port = -1; |
| 726 | options->rhosts_authentication = -1; |
| 727 | options->rsa_authentication = -1; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 728 | options->pubkey_authentication = -1; |
Ben Lindstrom | 551ea37 | 2001-06-05 18:56:16 +0000 | [diff] [blame] | 729 | options->challenge_response_authentication = -1; |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 730 | #if defined(KRB4) || defined(KRB5) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 731 | options->kerberos_authentication = -1; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 732 | #endif |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 733 | #if defined(AFS) || defined(KRB5) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 734 | options->kerberos_tgt_passing = -1; |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 735 | #endif |
| 736 | #ifdef AFS |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 737 | options->afs_token_passing = -1; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 738 | #endif |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 739 | options->password_authentication = -1; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 740 | options->kbd_interactive_authentication = -1; |
| 741 | options->kbd_interactive_devices = NULL; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 742 | options->rhosts_rsa_authentication = -1; |
Ben Lindstrom | 5eabda3 | 2001-04-12 23:34:34 +0000 | [diff] [blame] | 743 | options->hostbased_authentication = -1; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 744 | options->fallback_to_rsh = -1; |
| 745 | options->use_rsh = -1; |
| 746 | options->batch_mode = -1; |
| 747 | options->check_host_ip = -1; |
| 748 | options->strict_host_key_checking = -1; |
| 749 | options->compression = -1; |
| 750 | options->keepalives = -1; |
| 751 | options->compression_level = -1; |
| 752 | options->port = -1; |
| 753 | options->connection_attempts = -1; |
| 754 | options->number_of_password_prompts = -1; |
| 755 | options->cipher = -1; |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 756 | options->ciphers = NULL; |
Ben Lindstrom | 06b33aa | 2001-02-15 03:01:59 +0000 | [diff] [blame] | 757 | options->macs = NULL; |
Ben Lindstrom | 982dbbc | 2001-04-17 18:11:36 +0000 | [diff] [blame] | 758 | options->hostkeyalgorithms = NULL; |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 759 | options->protocol = SSH_PROTO_UNKNOWN; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 760 | options->num_identity_files = 0; |
| 761 | options->hostname = NULL; |
Ben Lindstrom | 4dccfa5 | 2000-12-28 16:40:05 +0000 | [diff] [blame] | 762 | options->host_key_alias = NULL; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 763 | options->proxy_command = NULL; |
| 764 | options->user = NULL; |
| 765 | options->escape_char = -1; |
| 766 | options->system_hostfile = NULL; |
| 767 | options->user_hostfile = NULL; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 768 | options->system_hostfile2 = NULL; |
| 769 | options->user_hostfile2 = NULL; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 770 | options->num_local_forwards = 0; |
| 771 | options->num_remote_forwards = 0; |
| 772 | options->log_level = (LogLevel) - 1; |
Ben Lindstrom | b9be60a | 2001-03-11 01:49:19 +0000 | [diff] [blame] | 773 | options->preferred_authentications = NULL; |
Ben Lindstrom | e0f8804 | 2001-04-30 13:06:24 +0000 | [diff] [blame] | 774 | options->bind_address = NULL; |
Ben Lindstrom | f7db3bb | 2001-08-06 21:35:51 +0000 | [diff] [blame] | 775 | options->smartcard_device = NULL; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 776 | } |
| 777 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 778 | /* |
| 779 | * Called after processing other sources of option data, this fills those |
| 780 | * options for which no value has been specified with their default values. |
| 781 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 782 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 783 | void |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 784 | fill_default_options(Options * options) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 785 | { |
Ben Lindstrom | 4f7a64a | 2001-02-10 22:50:09 +0000 | [diff] [blame] | 786 | int len; |
| 787 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 788 | if (options->forward_agent == -1) |
Damien Miller | b1715dc | 2000-05-30 13:44:51 +1000 | [diff] [blame] | 789 | options->forward_agent = 0; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 790 | if (options->forward_x11 == -1) |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 791 | options->forward_x11 = 0; |
Ben Lindstrom | 1bf11f6 | 2001-06-09 01:48:01 +0000 | [diff] [blame] | 792 | #ifdef _PATH_XAUTH |
Damien Miller | d3a1857 | 2000-06-07 19:55:44 +1000 | [diff] [blame] | 793 | if (options->xauth_location == NULL) |
Ben Lindstrom | 1bf11f6 | 2001-06-09 01:48:01 +0000 | [diff] [blame] | 794 | options->xauth_location = _PATH_XAUTH; |
| 795 | #endif |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 796 | if (options->gateway_ports == -1) |
| 797 | options->gateway_ports = 0; |
| 798 | if (options->use_privileged_port == -1) |
Ben Lindstrom | cebc858 | 2001-03-08 03:39:10 +0000 | [diff] [blame] | 799 | options->use_privileged_port = 0; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 800 | if (options->rhosts_authentication == -1) |
| 801 | options->rhosts_authentication = 1; |
| 802 | if (options->rsa_authentication == -1) |
| 803 | options->rsa_authentication = 1; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 804 | if (options->pubkey_authentication == -1) |
| 805 | options->pubkey_authentication = 1; |
Ben Lindstrom | 551ea37 | 2001-06-05 18:56:16 +0000 | [diff] [blame] | 806 | if (options->challenge_response_authentication == -1) |
Ben Lindstrom | 0076d75 | 2001-08-06 20:53:26 +0000 | [diff] [blame] | 807 | options->challenge_response_authentication = 1; |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 808 | #if defined(KRB4) || defined(KRB5) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 809 | if (options->kerberos_authentication == -1) |
| 810 | options->kerberos_authentication = 1; |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 811 | #endif |
| 812 | #if defined(AFS) || defined(KRB5) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 813 | if (options->kerberos_tgt_passing == -1) |
| 814 | options->kerberos_tgt_passing = 1; |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 815 | #endif |
| 816 | #ifdef AFS |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 817 | if (options->afs_token_passing == -1) |
| 818 | options->afs_token_passing = 1; |
Ben Lindstrom | ec95ed9 | 2001-07-04 04:21:14 +0000 | [diff] [blame] | 819 | #endif |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 820 | if (options->password_authentication == -1) |
| 821 | options->password_authentication = 1; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 822 | if (options->kbd_interactive_authentication == -1) |
Ben Lindstrom | 95fb2dd | 2001-01-23 03:12:10 +0000 | [diff] [blame] | 823 | options->kbd_interactive_authentication = 1; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 824 | if (options->rhosts_rsa_authentication == -1) |
| 825 | options->rhosts_rsa_authentication = 1; |
Ben Lindstrom | 5eabda3 | 2001-04-12 23:34:34 +0000 | [diff] [blame] | 826 | if (options->hostbased_authentication == -1) |
| 827 | options->hostbased_authentication = 0; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 828 | if (options->fallback_to_rsh == -1) |
Damien Miller | 182ee6e | 2000-07-12 09:45:27 +1000 | [diff] [blame] | 829 | options->fallback_to_rsh = 0; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 830 | if (options->use_rsh == -1) |
| 831 | options->use_rsh = 0; |
| 832 | if (options->batch_mode == -1) |
| 833 | options->batch_mode = 0; |
| 834 | if (options->check_host_ip == -1) |
| 835 | options->check_host_ip = 1; |
| 836 | if (options->strict_host_key_checking == -1) |
| 837 | options->strict_host_key_checking = 2; /* 2 is default */ |
| 838 | if (options->compression == -1) |
| 839 | options->compression = 0; |
| 840 | if (options->keepalives == -1) |
| 841 | options->keepalives = 1; |
| 842 | if (options->compression_level == -1) |
| 843 | options->compression_level = 6; |
| 844 | if (options->port == -1) |
| 845 | options->port = 0; /* Filled in ssh_connect. */ |
| 846 | if (options->connection_attempts == -1) |
Ben Lindstrom | f9cedb9 | 2001-08-06 21:07:11 +0000 | [diff] [blame] | 847 | options->connection_attempts = 1; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 848 | if (options->number_of_password_prompts == -1) |
| 849 | options->number_of_password_prompts = 3; |
| 850 | /* Selected in ssh_login(). */ |
| 851 | if (options->cipher == -1) |
| 852 | options->cipher = SSH_CIPHER_NOT_SET; |
Damien Miller | 30c3d42 | 2000-05-09 11:02:59 +1000 | [diff] [blame] | 853 | /* options->ciphers, default set in myproposals.h */ |
Ben Lindstrom | 06b33aa | 2001-02-15 03:01:59 +0000 | [diff] [blame] | 854 | /* options->macs, default set in myproposals.h */ |
Ben Lindstrom | 982dbbc | 2001-04-17 18:11:36 +0000 | [diff] [blame] | 855 | /* options->hostkeyalgorithms, default set in myproposals.h */ |
Damien Miller | 7892879 | 2000-04-12 20:17:38 +1000 | [diff] [blame] | 856 | if (options->protocol == SSH_PROTO_UNKNOWN) |
Ben Lindstrom | 6b77643 | 2001-03-22 01:24:04 +0000 | [diff] [blame] | 857 | options->protocol = SSH_PROTO_1|SSH_PROTO_2; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 858 | if (options->num_identity_files == 0) { |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 859 | if (options->protocol & SSH_PROTO_1) { |
Ben Lindstrom | 4f7a64a | 2001-02-10 22:50:09 +0000 | [diff] [blame] | 860 | len = 2 + strlen(_PATH_SSH_CLIENT_IDENTITY) + 1; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 861 | options->identity_files[options->num_identity_files] = |
Ben Lindstrom | 4f7a64a | 2001-02-10 22:50:09 +0000 | [diff] [blame] | 862 | xmalloc(len); |
| 863 | snprintf(options->identity_files[options->num_identity_files++], |
| 864 | len, "~/%.100s", _PATH_SSH_CLIENT_IDENTITY); |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 865 | } |
| 866 | if (options->protocol & SSH_PROTO_2) { |
Ben Lindstrom | b00d4fb | 2001-03-05 06:03:03 +0000 | [diff] [blame] | 867 | len = 2 + strlen(_PATH_SSH_CLIENT_ID_RSA) + 1; |
| 868 | options->identity_files[options->num_identity_files] = |
| 869 | xmalloc(len); |
| 870 | snprintf(options->identity_files[options->num_identity_files++], |
| 871 | len, "~/%.100s", _PATH_SSH_CLIENT_ID_RSA); |
| 872 | |
Ben Lindstrom | 4f7a64a | 2001-02-10 22:50:09 +0000 | [diff] [blame] | 873 | len = 2 + strlen(_PATH_SSH_CLIENT_ID_DSA) + 1; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 874 | options->identity_files[options->num_identity_files] = |
Ben Lindstrom | 4f7a64a | 2001-02-10 22:50:09 +0000 | [diff] [blame] | 875 | xmalloc(len); |
| 876 | snprintf(options->identity_files[options->num_identity_files++], |
| 877 | len, "~/%.100s", _PATH_SSH_CLIENT_ID_DSA); |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 878 | } |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 879 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 880 | if (options->escape_char == -1) |
| 881 | options->escape_char = '~'; |
| 882 | if (options->system_hostfile == NULL) |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 883 | options->system_hostfile = _PATH_SSH_SYSTEM_HOSTFILE; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 884 | if (options->user_hostfile == NULL) |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 885 | options->user_hostfile = _PATH_SSH_USER_HOSTFILE; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 886 | if (options->system_hostfile2 == NULL) |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 887 | options->system_hostfile2 = _PATH_SSH_SYSTEM_HOSTFILE2; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 888 | if (options->user_hostfile2 == NULL) |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 889 | options->user_hostfile2 = _PATH_SSH_USER_HOSTFILE2; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 890 | if (options->log_level == (LogLevel) - 1) |
Ben Lindstrom | db65e8f | 2001-01-19 04:26:52 +0000 | [diff] [blame] | 891 | options->log_level = SYSLOG_LEVEL_INFO; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 892 | /* options->proxy_command should not be set by default */ |
| 893 | /* options->user will be set in the main program if appropriate */ |
| 894 | /* options->hostname will be set in the main program if appropriate */ |
Ben Lindstrom | 4dccfa5 | 2000-12-28 16:40:05 +0000 | [diff] [blame] | 895 | /* options->host_key_alias should not be set by default */ |
Ben Lindstrom | b9be60a | 2001-03-11 01:49:19 +0000 | [diff] [blame] | 896 | /* options->preferred_authentications will be set in ssh */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 897 | } |