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 returning the canonical host name of the remote site. |
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 | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 15 | RCSID("$OpenBSD: canohost.c,v 1.18 2001/01/21 19:05:45 markus Exp $"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 16 | |
| 17 | #include "packet.h" |
| 18 | #include "xmalloc.h" |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 19 | #include "log.h" |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 20 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 21 | /* |
| 22 | * Return the canonical name of the host at the other end of the socket. The |
| 23 | * caller should free the returned string with xfree. |
| 24 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 25 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 26 | char * |
| 27 | get_remote_hostname(int socket) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 28 | { |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 29 | struct sockaddr_storage from; |
| 30 | int i; |
| 31 | socklen_t fromlen; |
| 32 | struct addrinfo hints, *ai, *aitop; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 33 | char name[MAXHOSTNAMELEN]; |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 34 | char ntop[NI_MAXHOST], ntop2[NI_MAXHOST]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 35 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 36 | /* Get IP address of client. */ |
| 37 | fromlen = sizeof(from); |
| 38 | memset(&from, 0, sizeof(from)); |
| 39 | if (getpeername(socket, (struct sockaddr *) & from, &fromlen) < 0) { |
| 40 | debug("getpeername failed: %.100s", strerror(errno)); |
| 41 | fatal_cleanup(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 42 | } |
Damien Miller | 7bcb089 | 2000-03-11 20:45:40 +1100 | [diff] [blame] | 43 | |
| 44 | #ifdef IPV4_IN_IPV6 |
| 45 | if (from.ss_family == AF_INET6) { |
| 46 | struct sockaddr_in6 *from6 = (struct sockaddr_in6 *)&from; |
| 47 | |
| 48 | /* Detect IPv4 in IPv6 mapped address and convert it to */ |
| 49 | /* plain (AF_INET) IPv4 address */ |
| 50 | if (IN6_IS_ADDR_V4MAPPED(&from6->sin6_addr)) { |
| 51 | struct sockaddr_in *from4 = (struct sockaddr_in *)&from; |
| 52 | struct in_addr addr; |
| 53 | u_int16_t port; |
| 54 | |
| 55 | memcpy(&addr, ((char *)&from6->sin6_addr) + 12, sizeof(addr)); |
| 56 | port = from6->sin6_port; |
| 57 | |
| 58 | memset(&from, 0, sizeof(from)); |
| 59 | |
| 60 | from4->sin_family = AF_INET; |
| 61 | memcpy(&from4->sin_addr, &addr, sizeof(addr)); |
| 62 | from4->sin_port = port; |
| 63 | } |
| 64 | } |
| 65 | #endif |
| 66 | |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 67 | if (getnameinfo((struct sockaddr *)&from, fromlen, ntop, sizeof(ntop), |
| 68 | NULL, 0, NI_NUMERICHOST) != 0) |
| 69 | fatal("get_remote_hostname: getnameinfo NI_NUMERICHOST failed"); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 70 | |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 71 | /* Map the IP address to a host name. */ |
| 72 | if (getnameinfo((struct sockaddr *)&from, fromlen, name, sizeof(name), |
| 73 | NULL, 0, NI_NAMEREQD) == 0) { |
| 74 | /* Got host name. */ |
| 75 | name[sizeof(name) - 1] = '\0'; |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 76 | /* |
| 77 | * Convert it to all lowercase (which is expected by the rest |
| 78 | * of this software). |
| 79 | */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 80 | for (i = 0; name[i]; i++) |
| 81 | if (isupper(name[i])) |
| 82 | name[i] = tolower(name[i]); |
| 83 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 84 | /* |
| 85 | * Map it back to an IP address and check that the given |
| 86 | * address actually is an address of this host. This is |
| 87 | * necessary because anyone with access to a name server can |
| 88 | * define arbitrary names for an IP address. Mapping from |
| 89 | * name to IP address can be trusted better (but can still be |
| 90 | * fooled if the intruder has access to the name server of |
| 91 | * the domain). |
| 92 | */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 93 | memset(&hints, 0, sizeof(hints)); |
| 94 | hints.ai_family = from.ss_family; |
| 95 | hints.ai_socktype = SOCK_STREAM; |
| 96 | if (getaddrinfo(name, NULL, &hints, &aitop) != 0) { |
| 97 | log("reverse mapping checking getaddrinfo for %.700s failed - POSSIBLE BREAKIN ATTEMPT!", name); |
| 98 | strlcpy(name, ntop, sizeof name); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 99 | goto check_ip_options; |
| 100 | } |
| 101 | /* Look for the address from the list of addresses. */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 102 | for (ai = aitop; ai; ai = ai->ai_next) { |
| 103 | if (getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop2, |
| 104 | sizeof(ntop2), NULL, 0, NI_NUMERICHOST) == 0 && |
| 105 | (strcmp(ntop, ntop2) == 0)) |
| 106 | break; |
| 107 | } |
| 108 | freeaddrinfo(aitop); |
| 109 | /* If we reached the end of the list, the address was not there. */ |
| 110 | if (!ai) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 111 | /* Address not found for the host name. */ |
| 112 | log("Address %.100s maps to %.600s, but this does not map back to the address - POSSIBLE BREAKIN ATTEMPT!", |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 113 | ntop, name); |
| 114 | strlcpy(name, ntop, sizeof name); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 115 | goto check_ip_options; |
| 116 | } |
| 117 | /* Address was found for the host name. We accept the host name. */ |
| 118 | } else { |
| 119 | /* Host name not found. Use ascii representation of the address. */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 120 | strlcpy(name, ntop, sizeof name); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 121 | log("Could not reverse map address %.100s.", name); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 122 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 123 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 124 | check_ip_options: |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 125 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 126 | /* |
| 127 | * If IP options are supported, make sure there are none (log and |
| 128 | * disconnect them if any are found). Basically we are worried about |
| 129 | * source routing; it can be used to pretend you are somebody |
| 130 | * (ip-address) you are not. That itself may be "almost acceptable" |
| 131 | * under certain circumstances, but rhosts autentication is useless |
| 132 | * if source routing is accepted. Notice also that if we just dropped |
| 133 | * source routing here, the other side could use IP spoofing to do |
| 134 | * rest of the interaction and could still bypass security. So we |
| 135 | * exit here if we detect any IP options. |
| 136 | */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 137 | /* IP options -- IPv4 only */ |
| 138 | if (from.ss_family == AF_INET) { |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 139 | u_char options[200], *ucp; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 140 | char text[1024], *cp; |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 141 | socklen_t option_size; |
| 142 | int ipproto; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 143 | struct protoent *ip; |
| 144 | |
| 145 | if ((ip = getprotobyname("ip")) != NULL) |
| 146 | ipproto = ip->p_proto; |
| 147 | else |
| 148 | ipproto = IPPROTO_IP; |
| 149 | option_size = sizeof(options); |
Damien Miller | 69b69aa | 2000-10-28 14:19:58 +1100 | [diff] [blame] | 150 | if (getsockopt(socket, ipproto, IP_OPTIONS, (char *) options, |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 151 | &option_size) >= 0 && option_size != 0) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 152 | cp = text; |
| 153 | /* Note: "text" buffer must be at least 3x as big as options. */ |
| 154 | for (ucp = options; option_size > 0; ucp++, option_size--, cp += 3) |
| 155 | sprintf(cp, " %2.2x", *ucp); |
| 156 | log("Connection from %.100s with IP options:%.800s", |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 157 | ntop, text); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 158 | packet_disconnect("Connection from %.100s with IP options:%.800s", |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 159 | ntop, text); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 160 | } |
| 161 | } |
| 162 | |
| 163 | return xstrdup(name); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 164 | } |
| 165 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 166 | /* |
| 167 | * Return the canonical name of the host in the other side of the current |
| 168 | * connection. The host name is cached, so it is efficient to call this |
| 169 | * several times. |
| 170 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 171 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 172 | const char * |
| 173 | get_canonical_hostname() |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 174 | { |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 175 | static char *canonical_host_name = NULL; |
| 176 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 177 | /* Check if we have previously retrieved this same name. */ |
| 178 | if (canonical_host_name != NULL) |
| 179 | return canonical_host_name; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 180 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 181 | /* Get the real hostname if socket; otherwise return UNKNOWN. */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 182 | if (packet_connection_is_on_socket()) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 183 | canonical_host_name = get_remote_hostname(packet_get_connection_in()); |
| 184 | else |
| 185 | canonical_host_name = xstrdup("UNKNOWN"); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 186 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 187 | return canonical_host_name; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 188 | } |
| 189 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 190 | /* |
| 191 | * Returns the IP-address of the remote host as a string. The returned |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 192 | * string must not be freed. |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 193 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 194 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 195 | const char * |
| 196 | get_remote_ipaddr() |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 197 | { |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 198 | static char *canonical_host_ip = NULL; |
| 199 | struct sockaddr_storage from; |
| 200 | socklen_t fromlen; |
| 201 | int socket; |
| 202 | char ntop[NI_MAXHOST]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 203 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 204 | /* Check whether we have chached the name. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 205 | if (canonical_host_ip != NULL) |
| 206 | return canonical_host_ip; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 207 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 208 | /* If not a socket, return UNKNOWN. */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 209 | if (!packet_connection_is_on_socket()) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 210 | canonical_host_ip = xstrdup("UNKNOWN"); |
| 211 | return canonical_host_ip; |
| 212 | } |
| 213 | /* Get client socket. */ |
| 214 | socket = packet_get_connection_in(); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 215 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 216 | /* Get IP address of client. */ |
| 217 | fromlen = sizeof(from); |
| 218 | memset(&from, 0, sizeof(from)); |
| 219 | if (getpeername(socket, (struct sockaddr *) & from, &fromlen) < 0) { |
| 220 | debug("getpeername failed: %.100s", strerror(errno)); |
| 221 | fatal_cleanup(); |
| 222 | } |
| 223 | /* Get the IP address in ascii. */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 224 | if (getnameinfo((struct sockaddr *)&from, fromlen, ntop, sizeof(ntop), |
| 225 | NULL, 0, NI_NUMERICHOST) != 0) |
| 226 | fatal("get_remote_hostname: getnameinfo NI_NUMERICHOST failed"); |
| 227 | |
| 228 | canonical_host_ip = xstrdup(ntop); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 229 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 230 | /* Return ip address string. */ |
| 231 | return canonical_host_ip; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 232 | } |
| 233 | |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 234 | /* Returns the local/remote port for the socket. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 235 | |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 236 | int |
| 237 | get_sock_port(int sock, int local) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 238 | { |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 239 | struct sockaddr_storage from; |
| 240 | socklen_t fromlen; |
| 241 | char strport[NI_MAXSERV]; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 242 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 243 | /* Get IP address of client. */ |
| 244 | fromlen = sizeof(from); |
| 245 | memset(&from, 0, sizeof(from)); |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 246 | if (local) { |
| 247 | if (getsockname(sock, (struct sockaddr *)&from, &fromlen) < 0) { |
| 248 | error("getsockname failed: %.100s", strerror(errno)); |
| 249 | return 0; |
| 250 | } |
| 251 | } else { |
| 252 | if (getpeername(sock, (struct sockaddr *) & from, &fromlen) < 0) { |
| 253 | debug("getpeername failed: %.100s", strerror(errno)); |
| 254 | fatal_cleanup(); |
| 255 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 256 | } |
| 257 | /* Return port number. */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 258 | if (getnameinfo((struct sockaddr *)&from, fromlen, NULL, 0, |
| 259 | strport, sizeof(strport), NI_NUMERICSERV) != 0) |
| 260 | fatal("get_sock_port: getnameinfo NI_NUMERICSERV failed"); |
| 261 | return atoi(strport); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 262 | } |
| 263 | |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 264 | /* Returns remote/local port number for the current connection. */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 265 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 266 | int |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 267 | get_port(int local) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 268 | { |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 269 | /* |
| 270 | * If the connection is not a socket, return 65535. This is |
| 271 | * intentionally chosen to be an unprivileged port number. |
| 272 | */ |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 273 | if (!packet_connection_is_on_socket()) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 274 | return 65535; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 275 | |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 276 | /* Get socket and return the port number. */ |
| 277 | return get_sock_port(packet_get_connection_in(), local); |
| 278 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 279 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 280 | int |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 281 | get_peer_port(int sock) |
| 282 | { |
| 283 | return get_sock_port(sock, 0); |
| 284 | } |
| 285 | |
Damien Miller | 4af5130 | 2000-04-16 11:18:38 +1000 | [diff] [blame] | 286 | int |
Damien Miller | 34132e5 | 2000-01-14 15:45:46 +1100 | [diff] [blame] | 287 | get_remote_port() |
| 288 | { |
| 289 | return get_port(0); |
| 290 | } |
| 291 | |
| 292 | int |
| 293 | get_local_port() |
| 294 | { |
| 295 | return get_port(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 296 | } |