Simon Kelley | d1ced3a | 2018-01-01 22:18:03 +0000 | [diff] [blame] | 1 | /* dnsmasq is Copyright (c) 2000-2018 Simon Kelley |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 2 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 3 | This program is free software; you can redistribute it and/or modify |
| 4 | it under the terms of the GNU General Public License as published by |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 5 | the Free Software Foundation; version 2 dated June, 1991, or |
| 6 | (at your option) version 3 dated 29 June, 2007. |
| 7 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 8 | This program is distributed in the hope that it will be useful, |
| 9 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | GNU General Public License for more details. |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 12 | |
Simon Kelley | 73a08a2 | 2009-02-05 20:28:08 +0000 | [diff] [blame] | 13 | You should have received a copy of the GNU General Public License |
| 14 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 15 | */ |
| 16 | |
Simon Kelley | d1ced3a | 2018-01-01 22:18:03 +0000 | [diff] [blame] | 17 | #define COPYRIGHT "Copyright (c) 2000-2018 Simon Kelley" |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 18 | |
Christian Hesse | b697fbb | 2017-09-25 17:36:24 +0100 | [diff] [blame] | 19 | /* We do defines that influence behavior of stdio.h, so complain |
| 20 | if included too early. */ |
| 21 | #ifdef _STDIO_H |
| 22 | # error "Header file stdio.h included too early!" |
| 23 | #endif |
| 24 | |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 25 | #ifndef NO_LARGEFILE |
Simon Kelley | 9e03894 | 2008-05-30 20:06:34 +0100 | [diff] [blame] | 26 | /* Ensure we can use files >2GB (log files may grow this big) */ |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 27 | # define _LARGEFILE_SOURCE 1 |
| 28 | # define _FILE_OFFSET_BITS 64 |
| 29 | #endif |
Simon Kelley | 9e03894 | 2008-05-30 20:06:34 +0100 | [diff] [blame] | 30 | |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 31 | /* Get linux C library versions and define _GNU_SOURCE for kFreeBSD. */ |
| 32 | #if defined(__linux__) || defined(__GLIBC__) |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 33 | # ifndef __ANDROID__ |
| 34 | # define _GNU_SOURCE |
| 35 | # endif |
Simon Kelley | 9e03894 | 2008-05-30 20:06:34 +0100 | [diff] [blame] | 36 | # include <features.h> |
| 37 | #endif |
| 38 | |
Simon Kelley | 316e273 | 2010-01-22 20:16:09 +0000 | [diff] [blame] | 39 | /* Need these defined early */ |
| 40 | #if defined(__sun) || defined(__sun__) |
| 41 | # define _XPG4_2 |
| 42 | # define __EXTENSIONS__ |
| 43 | #endif |
| 44 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 45 | /* get these before config.h for IPv6 stuff... */ |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame] | 46 | #include <sys/types.h> |
Simon Kelley | 1f15b81 | 2009-10-13 17:49:32 +0100 | [diff] [blame] | 47 | #include <sys/socket.h> |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 48 | |
| 49 | #ifdef __APPLE__ |
| 50 | /* Define before netinet/in.h to select API. OSX Lion onwards. */ |
| 51 | # define __APPLE_USE_RFC_3542 |
| 52 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 53 | #include <netinet/in.h> |
| 54 | |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 55 | /* Also needed before config.h. */ |
Simon Kelley | 59353a6 | 2004-11-21 19:34:28 +0000 | [diff] [blame] | 56 | #include <getopt.h> |
| 57 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 58 | #include "config.h" |
Simon Kelley | c3a0408 | 2014-01-11 22:18:19 +0000 | [diff] [blame] | 59 | #include "ip6addr.h" |
Julian Kornberger | aba8bbb | 2018-07-21 21:55:08 +0100 | [diff] [blame] | 60 | #include "metrics.h" |
Simon Kelley | b8187c8 | 2005-11-26 21:46:27 +0000 | [diff] [blame] | 61 | |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 62 | typedef unsigned char u8; |
| 63 | typedef unsigned short u16; |
| 64 | typedef unsigned int u32; |
Simon Kelley | 52b92f4 | 2012-01-22 16:05:15 +0000 | [diff] [blame] | 65 | typedef unsigned long long u64; |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 66 | |
Giovanni Bajo | 28c6255 | 2012-04-25 17:40:13 +0200 | [diff] [blame] | 67 | #define countof(x) (long)(sizeof(x) / sizeof(x[0])) |
| 68 | #define MIN(a,b) ((a) < (b) ? (a) : (b)) |
| 69 | |
Simon Kelley | c239f7d | 2012-02-27 10:56:18 +0000 | [diff] [blame] | 70 | #include "dns-protocol.h" |
| 71 | #include "dhcp-protocol.h" |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 72 | #ifdef HAVE_DHCP6 |
Simon Kelley | c239f7d | 2012-02-27 10:56:18 +0000 | [diff] [blame] | 73 | #include "dhcp6-protocol.h" |
| 74 | #include "radv-protocol.h" |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 75 | #endif |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 76 | |
Simon Kelley | b8187c8 | 2005-11-26 21:46:27 +0000 | [diff] [blame] | 77 | #define gettext_noop(S) (S) |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 78 | #ifndef LOCALEDIR |
Simon Kelley | b8187c8 | 2005-11-26 21:46:27 +0000 | [diff] [blame] | 79 | # define _(S) (S) |
| 80 | #else |
| 81 | # include <libintl.h> |
| 82 | # include <locale.h> |
| 83 | # define _(S) gettext(S) |
| 84 | #endif |
| 85 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 86 | #include <arpa/inet.h> |
| 87 | #include <sys/stat.h> |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 88 | #include <sys/ioctl.h> |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 89 | #if defined(HAVE_SOLARIS_NETWORK) |
Simon Kelley | 316e273 | 2010-01-22 20:16:09 +0000 | [diff] [blame] | 90 | # include <sys/sockio.h> |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 91 | #endif |
Simon Kelley | b842bc9 | 2015-07-12 21:09:11 +0100 | [diff] [blame] | 92 | #include <sys/poll.h> |
Simon Kelley | feba5c1 | 2004-07-27 20:28:58 +0100 | [diff] [blame] | 93 | #include <sys/wait.h> |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 94 | #include <sys/time.h> |
Simon Kelley | f2621c7 | 2007-04-29 19:47:21 +0100 | [diff] [blame] | 95 | #include <sys/un.h> |
Simon Kelley | 8a911cc | 2004-03-16 18:35:52 +0000 | [diff] [blame] | 96 | #include <limits.h> |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 97 | #include <net/if.h> |
Simon Kelley | 316e273 | 2010-01-22 20:16:09 +0000 | [diff] [blame] | 98 | #if defined(HAVE_SOLARIS_NETWORK) && !defined(ifr_mtu) |
| 99 | /* Some solaris net/if./h omit this. */ |
| 100 | # define ifr_mtu ifr_ifru.ifru_metric |
| 101 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 102 | #include <unistd.h> |
| 103 | #include <stdio.h> |
| 104 | #include <string.h> |
| 105 | #include <stdlib.h> |
| 106 | #include <fcntl.h> |
| 107 | #include <ctype.h> |
| 108 | #include <signal.h> |
Simon Kelley | 9e03894 | 2008-05-30 20:06:34 +0100 | [diff] [blame] | 109 | #include <stddef.h> |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 110 | #include <time.h> |
| 111 | #include <errno.h> |
| 112 | #include <pwd.h> |
| 113 | #include <grp.h> |
Simon Kelley | f6b7dc4 | 2005-01-23 12:06:08 +0000 | [diff] [blame] | 114 | #include <stdarg.h> |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 115 | #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__sun__) || defined (__sun) || defined (__ANDROID__) |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame] | 116 | # include <netinet/if_ether.h> |
| 117 | #else |
| 118 | # include <net/ethernet.h> |
| 119 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 120 | #include <net/if_arp.h> |
| 121 | #include <netinet/in_systm.h> |
| 122 | #include <netinet/ip.h> |
Simon Kelley | 6b17335 | 2018-05-08 18:32:14 +0100 | [diff] [blame] | 123 | #ifdef HAVE_IPV6 |
| 124 | #include <netinet/ip6.h> |
| 125 | #endif |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 126 | #include <netinet/ip_icmp.h> |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 127 | #include <sys/uio.h> |
Simon Kelley | 849a835 | 2006-06-09 21:02:31 +0100 | [diff] [blame] | 128 | #include <syslog.h> |
| 129 | #include <dirent.h> |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 130 | #ifndef HAVE_LINUX_NETWORK |
| 131 | # include <net/if_dl.h> |
| 132 | #endif |
| 133 | |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 134 | #if defined(HAVE_LINUX_NETWORK) |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 135 | #include <linux/capability.h> |
| 136 | /* There doesn't seem to be a universally-available |
Josh Soref | 730c674 | 2017-02-06 16:14:04 +0000 | [diff] [blame] | 137 | userspace header for these. */ |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 138 | extern int capset(cap_user_header_t header, cap_user_data_t data); |
Simon Kelley | 9e03894 | 2008-05-30 20:06:34 +0100 | [diff] [blame] | 139 | extern int capget(cap_user_header_t header, cap_user_data_t data); |
| 140 | #define LINUX_CAPABILITY_VERSION_1 0x19980330 |
| 141 | #define LINUX_CAPABILITY_VERSION_2 0x20071026 |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 142 | #define LINUX_CAPABILITY_VERSION_3 0x20080522 |
Simon Kelley | 9e03894 | 2008-05-30 20:06:34 +0100 | [diff] [blame] | 143 | |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 144 | #include <sys/prctl.h> |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 145 | #elif defined(HAVE_SOLARIS_NETWORK) |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 146 | #include <priv.h> |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 147 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 148 | |
Simon Kelley | ad9c6f0 | 2017-10-27 22:13:49 +0100 | [diff] [blame] | 149 | #ifdef HAVE_DNSSEC |
| 150 | # include <nettle/nettle-meta.h> |
| 151 | #endif |
| 152 | |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 153 | /* daemon is function in the C library.... */ |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 154 | #define daemon dnsmasq_daemon |
| 155 | |
| 156 | /* Async event queue */ |
| 157 | struct event_desc { |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 158 | int event, data, msg_sz; |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 159 | }; |
| 160 | |
Petr MenÅ¡Ãk | c77fb9d | 2017-04-16 20:20:08 +0100 | [diff] [blame] | 161 | #define EVENT_RELOAD 1 |
| 162 | #define EVENT_DUMP 2 |
| 163 | #define EVENT_ALARM 3 |
| 164 | #define EVENT_TERM 4 |
| 165 | #define EVENT_CHILD 5 |
| 166 | #define EVENT_REOPEN 6 |
| 167 | #define EVENT_EXITED 7 |
| 168 | #define EVENT_KILLED 8 |
| 169 | #define EVENT_EXEC_ERR 9 |
| 170 | #define EVENT_PIPE_ERR 10 |
| 171 | #define EVENT_USER_ERR 11 |
| 172 | #define EVENT_CAP_ERR 12 |
| 173 | #define EVENT_PIDFILE 13 |
| 174 | #define EVENT_HUSER_ERR 14 |
| 175 | #define EVENT_GROUP_ERR 15 |
| 176 | #define EVENT_DIE 16 |
| 177 | #define EVENT_LOG_ERR 17 |
| 178 | #define EVENT_FORK_ERR 18 |
| 179 | #define EVENT_LUA_ERR 19 |
| 180 | #define EVENT_TFTP_ERR 20 |
| 181 | #define EVENT_INIT 21 |
| 182 | #define EVENT_NEWADDR 22 |
| 183 | #define EVENT_NEWROUTE 23 |
| 184 | #define EVENT_TIME_ERR 24 |
| 185 | #define EVENT_SCRIPT_LOG 25 |
Simon Kelley | 3c973ad | 2018-01-14 21:05:37 +0000 | [diff] [blame] | 186 | #define EVENT_TIME 26 |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 187 | |
| 188 | /* Exit codes. */ |
| 189 | #define EC_GOOD 0 |
| 190 | #define EC_BADCONF 1 |
| 191 | #define EC_BADNET 2 |
| 192 | #define EC_FILE 3 |
| 193 | #define EC_NOMEM 4 |
| 194 | #define EC_MISC 5 |
| 195 | #define EC_INIT_OFFSET 10 |
| 196 | |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 197 | /* Trust the compiler dead-code eliminator.... */ |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 198 | #define option_bool(x) (((x) < 32) ? daemon->options & (1u << (x)) : daemon->options2 & (1u << ((x) - 32))) |
| 199 | |
| 200 | #define OPT_BOGUSPRIV 0 |
| 201 | #define OPT_FILTER 1 |
| 202 | #define OPT_LOG 2 |
| 203 | #define OPT_SELFMX 3 |
| 204 | #define OPT_NO_HOSTS 4 |
| 205 | #define OPT_NO_POLL 5 |
| 206 | #define OPT_DEBUG 6 |
| 207 | #define OPT_ORDER 7 |
| 208 | #define OPT_NO_RESOLV 8 |
| 209 | #define OPT_EXPAND 9 |
| 210 | #define OPT_LOCALMX 10 |
| 211 | #define OPT_NO_NEG 11 |
| 212 | #define OPT_NODOTS_LOCAL 12 |
| 213 | #define OPT_NOWILD 13 |
| 214 | #define OPT_ETHERS 14 |
| 215 | #define OPT_RESOLV_DOMAIN 15 |
| 216 | #define OPT_NO_FORK 16 |
| 217 | #define OPT_AUTHORITATIVE 17 |
| 218 | #define OPT_LOCALISE 18 |
| 219 | #define OPT_DBUS 19 |
| 220 | #define OPT_DHCP_FQDN 20 |
| 221 | #define OPT_NO_PING 21 |
| 222 | #define OPT_LEASE_RO 22 |
| 223 | #define OPT_ALL_SERVERS 23 |
| 224 | #define OPT_RELOAD 24 |
| 225 | #define OPT_LOCAL_REBIND 25 |
| 226 | #define OPT_TFTP_SECURE 26 |
| 227 | #define OPT_TFTP_NOBLOCK 27 |
| 228 | #define OPT_LOG_OPTS 28 |
Floris Bos | 60704f5 | 2017-04-09 22:22:49 +0100 | [diff] [blame] | 229 | #define OPT_TFTP_APREF_IP 29 |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 230 | #define OPT_NO_OVERRIDE 30 |
| 231 | #define OPT_NO_REBIND 31 |
| 232 | #define OPT_ADD_MAC 32 |
Giovanni Bajo | 237724c | 2012-04-05 02:46:52 +0200 | [diff] [blame] | 233 | #define OPT_DNSSEC_PROXY 33 |
Simon Kelley | 7de060b | 2011-08-26 17:24:52 +0100 | [diff] [blame] | 234 | #define OPT_CONSEC_ADDR 34 |
| 235 | #define OPT_CONNTRACK 35 |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 236 | #define OPT_FQDN_UPDATE 36 |
Simon Kelley | c5ad4e7 | 2012-02-24 16:06:20 +0000 | [diff] [blame] | 237 | #define OPT_RA 37 |
Simon Kelley | 61ce600 | 2012-04-20 21:28:49 +0100 | [diff] [blame] | 238 | #define OPT_TFTP_LC 38 |
Simon Kelley | 54dd393 | 2012-06-20 11:23:38 +0100 | [diff] [blame] | 239 | #define OPT_CLEVERBIND 39 |
Simon Kelley | 8bc4cec | 2012-07-03 21:04:11 +0100 | [diff] [blame] | 240 | #define OPT_TFTP 40 |
Simon Kelley | 6bd3a09 | 2013-10-11 10:25:56 +0100 | [diff] [blame] | 241 | #define OPT_CLIENT_SUBNET 41 |
Kevin Darbyshire-Bryant | 8c0b73d | 2013-10-11 11:56:33 +0100 | [diff] [blame] | 242 | #define OPT_QUIET_DHCP 42 |
| 243 | #define OPT_QUIET_DHCP6 43 |
| 244 | #define OPT_QUIET_RA 44 |
Simon Kelley | 3a23715 | 2013-12-12 12:15:50 +0000 | [diff] [blame] | 245 | #define OPT_DNSSEC_VALID 45 |
Simon Kelley | e98bd52 | 2014-03-28 20:41:23 +0000 | [diff] [blame] | 246 | #define OPT_DNSSEC_TIME 46 |
Simon Kelley | 5b3bf92 | 2014-01-25 17:03:07 +0000 | [diff] [blame] | 247 | #define OPT_DNSSEC_DEBUG 47 |
Simon Kelley | a691853 | 2018-04-15 16:20:52 +0100 | [diff] [blame] | 248 | #define OPT_DNSSEC_IGN_NS 48 |
Simon Kelley | c8a8048 | 2014-03-05 14:29:54 +0000 | [diff] [blame] | 249 | #define OPT_LOCAL_SERVICE 49 |
Simon Kelley | b5ea1cc | 2014-07-29 16:34:14 +0100 | [diff] [blame] | 250 | #define OPT_LOOP_DETECT 50 |
Simon Kelley | 25cf5e3 | 2015-01-09 15:53:03 +0000 | [diff] [blame] | 251 | #define OPT_EXTRALOG 51 |
Stefan Tomanek | 30d0879 | 2015-03-31 22:32:11 +0100 | [diff] [blame] | 252 | #define OPT_TFTP_NO_FAIL 52 |
Simon Kelley | 1e50512 | 2016-01-25 21:29:23 +0000 | [diff] [blame] | 253 | #define OPT_SCRIPT_ARP 53 |
| 254 | #define OPT_MAC_B64 54 |
Simon Kelley | 9e4cf47 | 2016-02-17 20:26:32 +0000 | [diff] [blame] | 255 | #define OPT_MAC_HEX 55 |
Floris Bos | 60704f5 | 2017-04-09 22:22:49 +0100 | [diff] [blame] | 256 | #define OPT_TFTP_APREF_MAC 56 |
Simon Kelley | 734d531 | 2018-03-23 23:09:53 +0000 | [diff] [blame] | 257 | #define OPT_RAPID_COMMIT 57 |
Julian Kornberger | 8dcdb33 | 2018-07-21 22:11:08 +0100 | [diff] [blame] | 258 | #define OPT_UBUS 58 |
| 259 | #define OPT_LAST 59 |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 260 | |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 261 | /* extra flags for my_syslog, we use a couple of facilities since they are known |
| 262 | not to occupy the same bits as priorities, no matter how syslog.h is set up. */ |
Petr MenÅ¡Ãk | c77fb9d | 2017-04-16 20:20:08 +0100 | [diff] [blame] | 263 | #define MS_TFTP LOG_USER |
| 264 | #define MS_DHCP LOG_DAEMON |
| 265 | #define MS_SCRIPT LOG_MAIL |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 266 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 267 | struct all_addr { |
| 268 | union { |
| 269 | struct in_addr addr4; |
| 270 | #ifdef HAVE_IPV6 |
| 271 | struct in6_addr addr6; |
| 272 | #endif |
Simon Kelley | 51ea3ca | 2014-01-22 19:31:38 +0000 | [diff] [blame] | 273 | /* for log_query */ |
Simon Kelley | 15379ea | 2015-12-21 18:31:55 +0000 | [diff] [blame] | 274 | struct { |
| 275 | unsigned short keytag, algo, digest; |
Simon Kelley | 07ed585 | 2018-05-04 21:52:22 +0100 | [diff] [blame] | 276 | } log; |
| 277 | /* for log_query */ |
| 278 | struct { |
| 279 | unsigned int rcode; |
| 280 | } rcode; |
Simon Kelley | 15379ea | 2015-12-21 18:31:55 +0000 | [diff] [blame] | 281 | /* for cache_insert of DNSKEY, DS */ |
Simon Kelley | 51ea3ca | 2014-01-22 19:31:38 +0000 | [diff] [blame] | 282 | struct { |
| 283 | unsigned short class, type; |
| 284 | } dnssec; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 285 | } addr; |
| 286 | }; |
| 287 | |
| 288 | struct bogus_addr { |
| 289 | struct in_addr addr; |
| 290 | struct bogus_addr *next; |
| 291 | }; |
| 292 | |
Simon Kelley | 1cff166 | 2004-03-12 08:12:58 +0000 | [diff] [blame] | 293 | /* dns doctor param */ |
| 294 | struct doctor { |
Simon Kelley | 73a08a2 | 2009-02-05 20:28:08 +0000 | [diff] [blame] | 295 | struct in_addr in, end, out, mask; |
Simon Kelley | 1cff166 | 2004-03-12 08:12:58 +0000 | [diff] [blame] | 296 | struct doctor *next; |
| 297 | }; |
| 298 | |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 299 | struct mx_srv_record { |
| 300 | char *name, *target; |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 301 | int issrv, srvport, priority, weight; |
| 302 | unsigned int offset; |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 303 | struct mx_srv_record *next; |
Simon Kelley | de37951 | 2004-06-22 20:23:33 +0100 | [diff] [blame] | 304 | }; |
| 305 | |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 306 | struct naptr { |
| 307 | char *name, *replace, *regexp, *services, *flags; |
| 308 | unsigned int order, pref; |
| 309 | struct naptr *next; |
| 310 | }; |
| 311 | |
Kevin Darbyshire-Bryant | 7ac9ae1 | 2016-09-09 20:52:08 +0100 | [diff] [blame] | 312 | #ifndef NO_ID |
Simon Kelley | fec216d | 2014-03-27 20:54:34 +0000 | [diff] [blame] | 313 | #define TXT_STAT_CACHESIZE 1 |
| 314 | #define TXT_STAT_INSERTS 2 |
| 315 | #define TXT_STAT_EVICTIONS 3 |
| 316 | #define TXT_STAT_MISSES 4 |
| 317 | #define TXT_STAT_HITS 5 |
| 318 | #define TXT_STAT_AUTH 6 |
| 319 | #define TXT_STAT_SERVERS 7 |
Kevin Darbyshire-Bryant | 7ac9ae1 | 2016-09-09 20:52:08 +0100 | [diff] [blame] | 320 | #endif |
Simon Kelley | fec216d | 2014-03-27 20:54:34 +0000 | [diff] [blame] | 321 | |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 322 | struct txt_record { |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 323 | char *name; |
| 324 | unsigned char *txt; |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 325 | unsigned short class, len; |
Simon Kelley | fec216d | 2014-03-27 20:54:34 +0000 | [diff] [blame] | 326 | int stat; |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 327 | struct txt_record *next; |
Simon Kelley | f6b7dc4 | 2005-01-23 12:06:08 +0000 | [diff] [blame] | 328 | }; |
| 329 | |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 330 | struct ptr_record { |
| 331 | char *name, *ptr; |
| 332 | struct ptr_record *next; |
| 333 | }; |
| 334 | |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 335 | struct cname { |
Simon Kelley | 903df07 | 2017-01-19 17:22:00 +0000 | [diff] [blame] | 336 | int ttl, flag; |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 337 | char *alias, *target; |
Simon Kelley | 903df07 | 2017-01-19 17:22:00 +0000 | [diff] [blame] | 338 | struct cname *next, *targetp; |
Simon Kelley | 376d48c | 2013-11-13 13:04:30 +0000 | [diff] [blame] | 339 | }; |
| 340 | |
Simon Kelley | ee41586 | 2014-02-11 11:07:22 +0000 | [diff] [blame] | 341 | struct ds_config { |
| 342 | char *name, *digest; |
| 343 | int digestlen, class, algo, keytag, digest_type; |
| 344 | struct ds_config *next; |
Simon Kelley | 0fc2f31 | 2014-01-08 10:26:58 +0000 | [diff] [blame] | 345 | }; |
| 346 | |
Simon Kelley | 376d48c | 2013-11-13 13:04:30 +0000 | [diff] [blame] | 347 | #define ADDRLIST_LITERAL 1 |
| 348 | #define ADDRLIST_IPV6 2 |
Simon Kelley | 4766936 | 2014-12-17 12:41:56 +0000 | [diff] [blame] | 349 | #define ADDRLIST_REVONLY 4 |
Simon Kelley | 376d48c | 2013-11-13 13:04:30 +0000 | [diff] [blame] | 350 | |
| 351 | struct addrlist { |
| 352 | struct all_addr addr; |
| 353 | int flags, prefixlen; |
| 354 | struct addrlist *next; |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 355 | }; |
| 356 | |
Simon Kelley | 376d48c | 2013-11-13 13:04:30 +0000 | [diff] [blame] | 357 | #define AUTH6 1 |
| 358 | #define AUTH4 2 |
| 359 | |
Simon Kelley | 4f7b304 | 2012-11-28 21:27:02 +0000 | [diff] [blame] | 360 | struct auth_zone { |
| 361 | char *domain; |
Simon Kelley | 376d48c | 2013-11-13 13:04:30 +0000 | [diff] [blame] | 362 | struct auth_name_list { |
| 363 | char *name; |
| 364 | int flags; |
| 365 | struct auth_name_list *next; |
| 366 | } *interface_names; |
| 367 | struct addrlist *subnet; |
Mathias Kresin | 094bfae | 2016-07-24 14:15:22 +0100 | [diff] [blame] | 368 | struct addrlist *exclude; |
Simon Kelley | 4f7b304 | 2012-11-28 21:27:02 +0000 | [diff] [blame] | 369 | struct auth_zone *next; |
| 370 | }; |
| 371 | |
| 372 | |
Simon Kelley | e759d42 | 2012-03-16 13:18:57 +0000 | [diff] [blame] | 373 | struct host_record { |
Simon Kelley | df3d54f | 2016-02-24 21:03:38 +0000 | [diff] [blame] | 374 | int ttl; |
Simon Kelley | e759d42 | 2012-03-16 13:18:57 +0000 | [diff] [blame] | 375 | struct name_list { |
| 376 | char *name; |
| 377 | struct name_list *next; |
| 378 | } *names; |
| 379 | struct in_addr addr; |
| 380 | #ifdef HAVE_IPV6 |
| 381 | struct in6_addr addr6; |
| 382 | #endif |
| 383 | struct host_record *next; |
| 384 | }; |
| 385 | |
Simon Kelley | f2621c7 | 2007-04-29 19:47:21 +0100 | [diff] [blame] | 386 | struct interface_name { |
| 387 | char *name; /* domain name */ |
| 388 | char *intr; /* interface name */ |
Simon Kelley | f7029f5 | 2013-11-21 15:09:09 +0000 | [diff] [blame] | 389 | int family; /* AF_INET, AF_INET6 or zero for both */ |
Simon Kelley | 376d48c | 2013-11-13 13:04:30 +0000 | [diff] [blame] | 390 | struct addrlist *addr; |
Simon Kelley | f2621c7 | 2007-04-29 19:47:21 +0100 | [diff] [blame] | 391 | struct interface_name *next; |
| 392 | }; |
| 393 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 394 | union bigname { |
| 395 | char name[MAXDNAME]; |
| 396 | union bigname *next; /* freelist */ |
| 397 | }; |
| 398 | |
Simon Kelley | c3e0b9b | 2013-12-31 13:50:39 +0000 | [diff] [blame] | 399 | struct blockdata { |
| 400 | struct blockdata *next; |
Simon Kelley | 7b4ad2e | 2012-04-04 14:05:35 +0100 | [diff] [blame] | 401 | unsigned char key[KEYBLOCK_LEN]; |
| 402 | }; |
| 403 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 404 | struct crec { |
| 405 | struct crec *next, *prev, *hash_next; |
Simon Kelley | cdbee9a | 2012-04-04 21:55:59 +0100 | [diff] [blame] | 406 | /* union is 16 bytes when doing IPv6, 8 bytes on 32 bit machines without IPv6 */ |
Simon Kelley | fd9fa48 | 2004-10-21 20:24:00 +0100 | [diff] [blame] | 407 | union { |
| 408 | struct all_addr addr; |
| 409 | struct { |
Simon Kelley | d56a604 | 2013-10-11 14:39:03 +0100 | [diff] [blame] | 410 | union { |
| 411 | struct crec *cache; |
| 412 | struct interface_name *int_name; |
| 413 | } target; |
Simon Kelley | 3f7483e | 2014-03-16 22:56:58 +0000 | [diff] [blame] | 414 | unsigned int uid; /* 0 if union is interface-name */ |
Simon Kelley | fd9fa48 | 2004-10-21 20:24:00 +0100 | [diff] [blame] | 415 | } cname; |
Simon Kelley | 7b4ad2e | 2012-04-04 14:05:35 +0100 | [diff] [blame] | 416 | struct { |
Simon Kelley | 3a23715 | 2013-12-12 12:15:50 +0000 | [diff] [blame] | 417 | struct blockdata *keydata; |
Simon Kelley | 824202e | 2014-01-23 20:59:46 +0000 | [diff] [blame] | 418 | unsigned short keylen, flags, keytag; |
Simon Kelley | 7b4ad2e | 2012-04-04 14:05:35 +0100 | [diff] [blame] | 419 | unsigned char algo; |
Simon Kelley | 51ea3ca | 2014-01-22 19:31:38 +0000 | [diff] [blame] | 420 | } key; |
| 421 | struct { |
| 422 | struct blockdata *keydata; |
Simon Kelley | 824202e | 2014-01-23 20:59:46 +0000 | [diff] [blame] | 423 | unsigned short keylen, keytag; |
Simon Kelley | 51ea3ca | 2014-01-22 19:31:38 +0000 | [diff] [blame] | 424 | unsigned char algo; |
| 425 | unsigned char digest; |
| 426 | } ds; |
Simon Kelley | fd9fa48 | 2004-10-21 20:24:00 +0100 | [diff] [blame] | 427 | } addr; |
Simon Kelley | cdbee9a | 2012-04-04 21:55:59 +0100 | [diff] [blame] | 428 | time_t ttd; /* time to die */ |
Simon Kelley | 93be5b1 | 2015-12-15 12:04:40 +0000 | [diff] [blame] | 429 | /* used as class if DNSKEY/DS, index to source for F_HOSTS */ |
Simon Kelley | 3f7483e | 2014-03-16 22:56:58 +0000 | [diff] [blame] | 430 | unsigned int uid; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 431 | unsigned short flags; |
| 432 | union { |
| 433 | char sname[SMALLDNAME]; |
| 434 | union bigname *bname; |
| 435 | char *namep; |
| 436 | } name; |
| 437 | }; |
| 438 | |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 439 | #define F_IMMORTAL (1u<<0) |
| 440 | #define F_NAMEP (1u<<1) |
| 441 | #define F_REVERSE (1u<<2) |
| 442 | #define F_FORWARD (1u<<3) |
| 443 | #define F_DHCP (1u<<4) |
| 444 | #define F_NEG (1u<<5) |
| 445 | #define F_HOSTS (1u<<6) |
| 446 | #define F_IPV4 (1u<<7) |
| 447 | #define F_IPV6 (1u<<8) |
| 448 | #define F_BIGNAME (1u<<9) |
| 449 | #define F_NXDOMAIN (1u<<10) |
| 450 | #define F_CNAME (1u<<11) |
Simon Kelley | 7b4ad2e | 2012-04-04 14:05:35 +0100 | [diff] [blame] | 451 | #define F_DNSKEY (1u<<12) |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 452 | #define F_CONFIG (1u<<13) |
Simon Kelley | 7b4ad2e | 2012-04-04 14:05:35 +0100 | [diff] [blame] | 453 | #define F_DS (1u<<14) |
| 454 | #define F_DNSSECOK (1u<<15) |
| 455 | |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 456 | /* below here are only valid as args to log_query: cache |
| 457 | entries are limited to 16 bits */ |
| 458 | #define F_UPSTREAM (1u<<16) |
| 459 | #define F_RRNAME (1u<<17) |
| 460 | #define F_SERVER (1u<<18) |
| 461 | #define F_QUERY (1u<<19) |
Simon Kelley | 7b4ad2e | 2012-04-04 14:05:35 +0100 | [diff] [blame] | 462 | #define F_NOERR (1u<<20) |
Simon Kelley | 4f7b304 | 2012-11-28 21:27:02 +0000 | [diff] [blame] | 463 | #define F_AUTH (1u<<21) |
Simon Kelley | 0fc2f31 | 2014-01-08 10:26:58 +0000 | [diff] [blame] | 464 | #define F_DNSSEC (1u<<22) |
| 465 | #define F_KEYTAG (1u<<23) |
| 466 | #define F_SECSTAT (1u<<24) |
Simon Kelley | 12fae49 | 2014-02-04 22:03:06 +0000 | [diff] [blame] | 467 | #define F_NO_RR (1u<<25) |
Wang Jian | 49752b9 | 2014-03-28 20:52:47 +0000 | [diff] [blame] | 468 | #define F_IPSET (1u<<26) |
Simon Kelley | 93be5b1 | 2015-12-15 12:04:40 +0000 | [diff] [blame] | 469 | #define F_NOEXTRA (1u<<27) |
Simon Kelley | 087eb76 | 2017-10-30 23:16:54 +0000 | [diff] [blame] | 470 | #define F_SERVFAIL (1u<<28) |
Simon Kelley | 07ed585 | 2018-05-04 21:52:22 +0100 | [diff] [blame] | 471 | #define F_RCODE (1u<<29) |
Simon Kelley | 4f7b304 | 2012-11-28 21:27:02 +0000 | [diff] [blame] | 472 | |
Simon Kelley | 45d8a24 | 2018-07-17 21:01:14 +0100 | [diff] [blame] | 473 | #define UID_NONE 0 |
Simon Kelley | 19c51cf | 2014-03-18 22:38:30 +0000 | [diff] [blame] | 474 | /* Values of uid in crecs with F_CONFIG bit set. */ |
Simon Kelley | 45d8a24 | 2018-07-17 21:01:14 +0100 | [diff] [blame] | 475 | /* cname to uid SRC_INTERFACE are to interface names, |
| 476 | so use UID_NONE for that to eliminate clashes with |
| 477 | any other uid */ |
| 478 | #define SRC_INTERFACE UID_NONE |
Simon Kelley | 19c51cf | 2014-03-18 22:38:30 +0000 | [diff] [blame] | 479 | #define SRC_CONFIG 1 |
| 480 | #define SRC_HOSTS 2 |
| 481 | #define SRC_AH 3 |
| 482 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 483 | |
| 484 | /* struct sockaddr is not large enough to hold any address, |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 485 | and specifically not big enough to hold an IPv6 address. |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 486 | Blech. Roll our own. */ |
| 487 | union mysockaddr { |
| 488 | struct sockaddr sa; |
| 489 | struct sockaddr_in in; |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 490 | #if defined(HAVE_IPV6) |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 491 | struct sockaddr_in6 in6; |
| 492 | #endif |
| 493 | }; |
| 494 | |
Simon Kelley | bad7b87 | 2012-12-20 22:00:39 +0000 | [diff] [blame] | 495 | /* bits in flag param to IPv6 callbacks from iface_enumerate() */ |
| 496 | #define IFACE_TENTATIVE 1 |
| 497 | #define IFACE_DEPRECATED 2 |
Vladislav Grishenko | 4568a6f | 2013-08-19 16:07:07 +0100 | [diff] [blame] | 498 | #define IFACE_PERMANENT 4 |
Simon Kelley | bad7b87 | 2012-12-20 22:00:39 +0000 | [diff] [blame] | 499 | |
| 500 | |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 501 | #define SERV_FROM_RESOLV 1 /* 1 for servers from resolv, 0 for command line. */ |
| 502 | #define SERV_NO_ADDR 2 /* no server, this domain is local only */ |
| 503 | #define SERV_LITERAL_ADDRESS 4 /* addr is the answer, not the server */ |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 504 | #define SERV_HAS_DOMAIN 8 /* server for one domain only */ |
| 505 | #define SERV_HAS_SOURCE 16 /* source address defined */ |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 506 | #define SERV_FOR_NODOTS 32 /* server for names with no domain part only */ |
| 507 | #define SERV_WARNED_RECURSIVE 64 /* avoid warning spam */ |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 508 | #define SERV_FROM_DBUS 128 /* 1 if source is DBus */ |
| 509 | #define SERV_MARK 256 /* for mark-and-delete */ |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 510 | #define SERV_TYPE (SERV_HAS_DOMAIN | SERV_FOR_NODOTS) |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 511 | #define SERV_COUNTED 512 /* workspace for log code */ |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 512 | #define SERV_USE_RESOLV 1024 /* forward this domain in the normal way */ |
| 513 | #define SERV_NO_REBIND 2048 /* inhibit dns-rebind protection */ |
Simon Kelley | 7b1eae4 | 2014-02-20 13:43:28 +0000 | [diff] [blame] | 514 | #define SERV_FROM_FILE 4096 /* read from --servers-file */ |
Simon Kelley | b5ea1cc | 2014-07-29 16:34:14 +0100 | [diff] [blame] | 515 | #define SERV_LOOP 8192 /* server causes forwarding loop */ |
Simon Kelley | 367341f | 2016-01-12 15:58:23 +0000 | [diff] [blame] | 516 | #define SERV_DO_DNSSEC 16384 /* Validate DNSSEC when using this server */ |
Simon Kelley | 361dfe5 | 2017-02-10 21:12:30 +0000 | [diff] [blame] | 517 | #define SERV_GOT_TCP 32768 /* Got some data from the TCP connection */ |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 518 | |
| 519 | struct serverfd { |
| 520 | int fd; |
| 521 | union mysockaddr source_addr; |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 522 | char interface[IF_NAMESIZE+1]; |
Simon Kelley | 4441cf7 | 2018-04-10 21:39:54 +0100 | [diff] [blame] | 523 | unsigned int ifindex, used, preallocated; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 524 | struct serverfd *next; |
| 525 | }; |
| 526 | |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 527 | struct randfd { |
| 528 | int fd; |
| 529 | unsigned short refcount, family; |
| 530 | }; |
| 531 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 532 | struct server { |
| 533 | union mysockaddr addr, source_addr; |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 534 | char interface[IF_NAMESIZE+1]; |
Simon Kelley | 1697269 | 2006-10-16 20:04:18 +0100 | [diff] [blame] | 535 | struct serverfd *sfd; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 536 | char *domain; /* set if this server only handles a domain. */ |
Simon Kelley | a77cec8 | 2015-05-08 16:25:38 +0100 | [diff] [blame] | 537 | int flags, tcpfd, edns_pktsz; |
Simon Kelley | c1a4e25 | 2018-01-19 22:00:05 +0000 | [diff] [blame] | 538 | time_t pktsz_reduced; |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 539 | unsigned int queries, failed_queries; |
Simon Kelley | b5ea1cc | 2014-07-29 16:34:14 +0100 | [diff] [blame] | 540 | #ifdef HAVE_LOOP |
| 541 | u32 uid; |
| 542 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 543 | struct server *next; |
| 544 | }; |
| 545 | |
Jason A. Donenfeld | 13d86c7 | 2013-02-22 18:20:53 +0000 | [diff] [blame] | 546 | struct ipsets { |
| 547 | char **sets; |
| 548 | char *domain; |
| 549 | struct ipsets *next; |
| 550 | }; |
| 551 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 552 | struct irec { |
| 553 | union mysockaddr addr; |
Simon Kelley | f6b7dc4 | 2005-01-23 12:06:08 +0000 | [diff] [blame] | 554 | struct in_addr netmask; /* only valid for IPv4 */ |
Petr MenÅ¡Ãk | ad59f27 | 2017-03-17 17:22:19 +0000 | [diff] [blame] | 555 | int tftp_ok, dhcp_ok, mtu, done, warned, dad, dns_auth, index, multicast_done, found, label; |
Simon Kelley | 5d162f2 | 2012-12-20 14:55:46 +0000 | [diff] [blame] | 556 | char *name; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 557 | struct irec *next; |
| 558 | }; |
| 559 | |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame] | 560 | struct listener { |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 561 | int fd, tcpfd, tftpfd, family; |
Simon Kelley | 52d4abf | 2012-03-21 21:39:48 +0000 | [diff] [blame] | 562 | struct irec *iface; /* only sometimes valid for non-wildcard */ |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame] | 563 | struct listener *next; |
| 564 | }; |
| 565 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 566 | /* interface and address parms from command line. */ |
| 567 | struct iname { |
| 568 | char *name; |
| 569 | union mysockaddr addr; |
Simon Kelley | 4ce4f37 | 2012-06-14 11:50:45 +0100 | [diff] [blame] | 570 | int used; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 571 | struct iname *next; |
| 572 | }; |
| 573 | |
Ed Bardsley | a7369be | 2015-08-05 21:17:18 +0100 | [diff] [blame] | 574 | /* subnet parameters from command line */ |
| 575 | struct mysubnet { |
| 576 | union mysockaddr addr; |
| 577 | int addr_used; |
| 578 | int mask; |
| 579 | }; |
| 580 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 581 | /* resolv-file parms from command-line */ |
| 582 | struct resolvc { |
| 583 | struct resolvc *next; |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 584 | int is_default, logged; |
| 585 | time_t mtime; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 586 | char *name; |
Simon Kelley | 0491805 | 2015-01-26 11:23:43 +0000 | [diff] [blame] | 587 | #ifdef HAVE_INOTIFY |
Simon Kelley | 193de4a | 2014-12-10 17:32:16 +0000 | [diff] [blame] | 588 | int wd; /* inotify watch descriptor */ |
| 589 | char *file; /* pointer to file part if path */ |
| 590 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 591 | }; |
| 592 | |
Simon Kelley | 5f4dc5c | 2015-01-20 20:51:02 +0000 | [diff] [blame] | 593 | /* adn-hosts parms from command-line (also dhcp-hostsfile and dhcp-optsfile and dhcp-hostsdir*/ |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 594 | #define AH_DIR 1 |
| 595 | #define AH_INACTIVE 2 |
Simon Kelley | 5f4dc5c | 2015-01-20 20:51:02 +0000 | [diff] [blame] | 596 | #define AH_WD_DONE 4 |
Simon Kelley | 70d1873 | 2015-01-31 19:59:29 +0000 | [diff] [blame] | 597 | #define AH_HOSTS 8 |
| 598 | #define AH_DHCP_HST 16 |
| 599 | #define AH_DHCP_OPT 32 |
Simon Kelley | fd9fa48 | 2004-10-21 20:24:00 +0100 | [diff] [blame] | 600 | struct hostsfile { |
| 601 | struct hostsfile *next; |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 602 | int flags; |
Simon Kelley | fd9fa48 | 2004-10-21 20:24:00 +0100 | [diff] [blame] | 603 | char *fname; |
Simon Kelley | 0491805 | 2015-01-26 11:23:43 +0000 | [diff] [blame] | 604 | #ifdef HAVE_INOTIFY |
Simon Kelley | 5f4dc5c | 2015-01-20 20:51:02 +0000 | [diff] [blame] | 605 | int wd; /* inotify watch descriptor */ |
| 606 | #endif |
Simon Kelley | 19c51cf | 2014-03-18 22:38:30 +0000 | [diff] [blame] | 607 | unsigned int index; /* matches to cache entries for logging */ |
Simon Kelley | fd9fa48 | 2004-10-21 20:24:00 +0100 | [diff] [blame] | 608 | }; |
| 609 | |
Simon Kelley | 6b17335 | 2018-05-08 18:32:14 +0100 | [diff] [blame] | 610 | /* packet-dump flags */ |
| 611 | #define DUMP_QUERY 0x0001 |
| 612 | #define DUMP_REPLY 0x0002 |
| 613 | #define DUMP_UP_QUERY 0x0004 |
| 614 | #define DUMP_UP_REPLY 0x0008 |
| 615 | #define DUMP_SEC_QUERY 0x0010 |
| 616 | #define DUMP_SEC_REPLY 0x0020 |
| 617 | #define DUMP_BOGUS 0x0040 |
| 618 | #define DUMP_SEC_BOGUS 0x0080 |
| 619 | |
Simon Kelley | 3a23715 | 2013-12-12 12:15:50 +0000 | [diff] [blame] | 620 | |
| 621 | /* DNSSEC status values. */ |
| 622 | #define STAT_SECURE 1 |
| 623 | #define STAT_INSECURE 2 |
| 624 | #define STAT_BOGUS 3 |
| 625 | #define STAT_NEED_DS 4 |
| 626 | #define STAT_NEED_KEY 5 |
Simon Kelley | 5d3b87a | 2014-01-20 11:57:23 +0000 | [diff] [blame] | 627 | #define STAT_TRUNCATED 6 |
Simon Kelley | 5107ace | 2014-02-23 10:48:32 +0000 | [diff] [blame] | 628 | #define STAT_SECURE_WILDCARD 7 |
Simon Kelley | 9a31b68 | 2015-12-15 10:20:39 +0000 | [diff] [blame] | 629 | #define STAT_OK 8 |
| 630 | #define STAT_ABANDONED 9 |
Simon Kelley | 3a23715 | 2013-12-12 12:15:50 +0000 | [diff] [blame] | 631 | |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 632 | #define FREC_NOREBIND 1 |
| 633 | #define FREC_CHECKING_DISABLED 2 |
Simon Kelley | ed4c076 | 2013-10-08 20:46:34 +0100 | [diff] [blame] | 634 | #define FREC_HAS_SUBNET 4 |
Simon Kelley | 9d63304 | 2013-12-13 15:36:55 +0000 | [diff] [blame] | 635 | #define FREC_DNSKEY_QUERY 8 |
| 636 | #define FREC_DS_QUERY 16 |
Simon Kelley | 83349b8 | 2014-02-10 21:02:01 +0000 | [diff] [blame] | 637 | #define FREC_AD_QUESTION 32 |
Simon Kelley | 613ad15 | 2014-02-25 23:02:28 +0000 | [diff] [blame] | 638 | #define FREC_DO_QUESTION 64 |
| 639 | #define FREC_ADDED_PHEADER 128 |
Simon Kelley | 9a31b68 | 2015-12-15 10:20:39 +0000 | [diff] [blame] | 640 | #define FREC_TEST_PKTSZ 256 |
Simon Kelley | d3a8b39 | 2015-12-23 12:27:37 +0000 | [diff] [blame] | 641 | #define FREC_HAS_EXTRADATA 512 |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 642 | |
Simon Kelley | 8a9be9e | 2014-01-25 23:17:21 +0000 | [diff] [blame] | 643 | #ifdef HAVE_DNSSEC |
| 644 | #define HASH_SIZE 20 /* SHA-1 digest size */ |
| 645 | #else |
| 646 | #define HASH_SIZE sizeof(int) |
| 647 | #endif |
| 648 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 649 | struct frec { |
| 650 | union mysockaddr source; |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame] | 651 | struct all_addr dest; |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 652 | struct server *sentto; /* NULL means free */ |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 653 | struct randfd *rfd4; |
| 654 | #ifdef HAVE_IPV6 |
| 655 | struct randfd *rfd6; |
| 656 | #endif |
Simon Kelley | dfa666f | 2004-08-02 18:27:27 +0100 | [diff] [blame] | 657 | unsigned int iface; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 658 | unsigned short orig_id, new_id; |
Simon Kelley | 25cf5e3 | 2015-01-09 15:53:03 +0000 | [diff] [blame] | 659 | int log_id, fd, forwardall, flags; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 660 | time_t time; |
Simon Kelley | 8a9be9e | 2014-01-25 23:17:21 +0000 | [diff] [blame] | 661 | unsigned char *hash[HASH_SIZE]; |
| 662 | #ifdef HAVE_DNSSEC |
Simon Kelley | 7fa836e | 2014-02-10 20:11:24 +0000 | [diff] [blame] | 663 | int class, work_counter; |
Simon Kelley | 3a23715 | 2013-12-12 12:15:50 +0000 | [diff] [blame] | 664 | struct blockdata *stash; /* Saved reply, whilst we validate */ |
Simon Kelley | 9a31b68 | 2015-12-15 10:20:39 +0000 | [diff] [blame] | 665 | size_t stash_len; |
Simon Kelley | 3a23715 | 2013-12-12 12:15:50 +0000 | [diff] [blame] | 666 | struct frec *dependent; /* Query awaiting internally-generated DNSKEY or DS query */ |
| 667 | struct frec *blocking_query; /* Query which is blocking us. */ |
| 668 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 669 | struct frec *next; |
| 670 | }; |
| 671 | |
Simon Kelley | 40ef23b | 2012-03-13 21:59:28 +0000 | [diff] [blame] | 672 | /* flags in top of length field for DHCP-option tables */ |
| 673 | #define OT_ADDR_LIST 0x8000 |
| 674 | #define OT_RFC1035_NAME 0x4000 |
| 675 | #define OT_INTERNAL 0x2000 |
| 676 | #define OT_NAME 0x1000 |
| 677 | #define OT_CSTRING 0x0800 |
| 678 | #define OT_DEC 0x0400 |
Simon Kelley | 23245c0 | 2012-07-18 16:21:11 +0100 | [diff] [blame] | 679 | #define OT_TIME 0x0200 |
Simon Kelley | 40ef23b | 2012-03-13 21:59:28 +0000 | [diff] [blame] | 680 | |
Simon Kelley | 1697269 | 2006-10-16 20:04:18 +0100 | [diff] [blame] | 681 | /* actions in the daemon->helper RPC */ |
| 682 | #define ACTION_DEL 1 |
| 683 | #define ACTION_OLD_HOSTNAME 2 |
| 684 | #define ACTION_OLD 3 |
| 685 | #define ACTION_ADD 4 |
Simon Kelley | a953096 | 2012-03-20 22:07:35 +0000 | [diff] [blame] | 686 | #define ACTION_TFTP 5 |
Simon Kelley | 33702ab | 2015-12-28 23:17:15 +0000 | [diff] [blame] | 687 | #define ACTION_ARP 6 |
Simon Kelley | e6e751b | 2016-02-01 17:59:07 +0000 | [diff] [blame] | 688 | #define ACTION_ARP_DEL 7 |
Simon Kelley | 1697269 | 2006-10-16 20:04:18 +0100 | [diff] [blame] | 689 | |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 690 | #define LEASE_NEW 1 /* newly created */ |
| 691 | #define LEASE_CHANGED 2 /* modified */ |
| 692 | #define LEASE_AUX_CHANGED 4 /* CLID or expiry changed */ |
| 693 | #define LEASE_AUTH_NAME 8 /* hostname came from config, not from client */ |
| 694 | #define LEASE_USED 16 /* used this DHCPv6 transaction */ |
| 695 | #define LEASE_NA 32 /* IPv6 no-temporary lease */ |
| 696 | #define LEASE_TA 64 /* IPv6 temporary lease */ |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 697 | #define LEASE_HAVE_HWADDR 128 /* Have set hwaddress */ |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 698 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 699 | struct dhcp_lease { |
| 700 | int clid_len; /* length of client identifier */ |
| 701 | unsigned char *clid; /* clientid */ |
| 702 | char *hostname, *fqdn; /* name from client-hostname option or config */ |
Simon Kelley | 1697269 | 2006-10-16 20:04:18 +0100 | [diff] [blame] | 703 | char *old_hostname; /* hostname before it moved to another lease */ |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 704 | int flags; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 705 | time_t expires; /* lease expiry */ |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 706 | #ifdef HAVE_BROKEN_RTC |
| 707 | unsigned int length; |
| 708 | #endif |
Simon Kelley | 89500e3 | 2013-09-20 16:29:20 +0100 | [diff] [blame] | 709 | int hwaddr_len, hwaddr_type; |
| 710 | unsigned char hwaddr[DHCP_CHADDR_MAX]; |
Simon Kelley | 1f15b81 | 2009-10-13 17:49:32 +0100 | [diff] [blame] | 711 | struct in_addr addr, override, giaddr; |
Simon Kelley | 316e273 | 2010-01-22 20:16:09 +0000 | [diff] [blame] | 712 | unsigned char *extradata; |
| 713 | unsigned int extradata_len, extradata_size; |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 714 | int last_interface; |
Lung-Pin Chang | dc8a1b1 | 2014-07-02 10:48:05 +0800 | [diff] [blame] | 715 | int new_interface; /* save possible originated interface */ |
| 716 | int new_prefixlen; /* and its prefix length */ |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 717 | #ifdef HAVE_DHCP6 |
Simon Kelley | 89500e3 | 2013-09-20 16:29:20 +0100 | [diff] [blame] | 718 | struct in6_addr addr6; |
| 719 | int iaid; |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 720 | struct slaac_address { |
Simon Kelley | 875b816 | 2013-12-17 17:40:32 +0000 | [diff] [blame] | 721 | struct in6_addr addr; |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 722 | time_t ping_time; |
| 723 | int backoff; /* zero -> confirmed */ |
| 724 | struct slaac_address *next; |
| 725 | } *slaac_address; |
Simon Kelley | 6f9aaa9 | 2013-04-10 10:25:26 +0100 | [diff] [blame] | 726 | int vendorclass_count; |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 727 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 728 | struct dhcp_lease *next; |
| 729 | }; |
| 730 | |
Simon Kelley | a222641 | 2004-05-13 20:27:08 +0100 | [diff] [blame] | 731 | struct dhcp_netid { |
| 732 | char *net; |
| 733 | struct dhcp_netid *next; |
| 734 | }; |
| 735 | |
Simon Kelley | 26128d2 | 2004-11-14 16:43:54 +0000 | [diff] [blame] | 736 | struct dhcp_netid_list { |
| 737 | struct dhcp_netid *list; |
| 738 | struct dhcp_netid_list *next; |
| 739 | }; |
Simon Kelley | 1697269 | 2006-10-16 20:04:18 +0100 | [diff] [blame] | 740 | |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 741 | struct tag_if { |
| 742 | struct dhcp_netid_list *set; |
| 743 | struct dhcp_netid *tag; |
| 744 | struct tag_if *next; |
| 745 | }; |
| 746 | |
Floris Bos | 503c609 | 2017-04-09 23:07:13 +0100 | [diff] [blame] | 747 | struct delay_config { |
| 748 | int delay; |
| 749 | struct dhcp_netid *netid; |
| 750 | struct delay_config *next; |
| 751 | }; |
| 752 | |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 753 | struct hwaddr_config { |
| 754 | int hwaddr_len, hwaddr_type; |
| 755 | unsigned char hwaddr[DHCP_CHADDR_MAX]; |
| 756 | unsigned int wildcard_mask; |
| 757 | struct hwaddr_config *next; |
| 758 | }; |
| 759 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 760 | struct dhcp_config { |
Simon Kelley | 33820b7 | 2004-04-03 21:10:00 +0100 | [diff] [blame] | 761 | unsigned int flags; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 762 | int clid_len; /* length of client identifier */ |
| 763 | unsigned char *clid; /* clientid */ |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 764 | char *hostname, *domain; |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 765 | struct dhcp_netid_list *netid; |
Simon Kelley | 52b92f4 | 2012-01-22 16:05:15 +0000 | [diff] [blame] | 766 | #ifdef HAVE_DHCP6 |
| 767 | struct in6_addr addr6; |
| 768 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 769 | struct in_addr addr; |
Simon Kelley | 849a835 | 2006-06-09 21:02:31 +0100 | [diff] [blame] | 770 | time_t decline_time; |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 771 | unsigned int lease_time; |
| 772 | struct hwaddr_config *hwaddr; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 773 | struct dhcp_config *next; |
| 774 | }; |
| 775 | |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 776 | #define have_config(config, mask) ((config) && ((config)->flags & (mask))) |
| 777 | |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 778 | #define CONFIG_DISABLE 1 |
| 779 | #define CONFIG_CLID 2 |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 780 | #define CONFIG_TIME 8 |
| 781 | #define CONFIG_NAME 16 |
| 782 | #define CONFIG_ADDR 32 |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 783 | #define CONFIG_NOCLID 128 |
Simon Kelley | 849a835 | 2006-06-09 21:02:31 +0100 | [diff] [blame] | 784 | #define CONFIG_FROM_ETHERS 256 /* entry created by /etc/ethers */ |
| 785 | #define CONFIG_ADDR_HOSTS 512 /* address added by from /etc/hosts */ |
| 786 | #define CONFIG_DECLINED 1024 /* address declined by client */ |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 787 | #define CONFIG_BANK 2048 /* from dhcp hosts file */ |
Simon Kelley | 52b92f4 | 2012-01-22 16:05:15 +0000 | [diff] [blame] | 788 | #define CONFIG_ADDR6 4096 |
Simon Kelley | 3039310 | 2013-01-17 16:34:16 +0000 | [diff] [blame] | 789 | #define CONFIG_WILDCARD 8192 |
Simon Kelley | 33820b7 | 2004-04-03 21:10:00 +0100 | [diff] [blame] | 790 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 791 | struct dhcp_opt { |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 792 | int opt, len, flags; |
Simon Kelley | 73a08a2 | 2009-02-05 20:28:08 +0000 | [diff] [blame] | 793 | union { |
| 794 | int encap; |
| 795 | unsigned int wildcard_mask; |
| 796 | unsigned char *vendor_class; |
| 797 | } u; |
| 798 | unsigned char *val; |
Simon Kelley | 26128d2 | 2004-11-14 16:43:54 +0000 | [diff] [blame] | 799 | struct dhcp_netid *netid; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 800 | struct dhcp_opt *next; |
Simon Kelley | a84fa1d | 2004-04-23 22:21:21 +0100 | [diff] [blame] | 801 | }; |
| 802 | |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 803 | #define DHOPT_ADDR 1 |
| 804 | #define DHOPT_STRING 2 |
Simon Kelley | 6b01084 | 2007-02-12 20:32:07 +0000 | [diff] [blame] | 805 | #define DHOPT_ENCAPSULATE 4 |
Simon Kelley | 73a08a2 | 2009-02-05 20:28:08 +0000 | [diff] [blame] | 806 | #define DHOPT_ENCAP_MATCH 8 |
Simon Kelley | 6b01084 | 2007-02-12 20:32:07 +0000 | [diff] [blame] | 807 | #define DHOPT_FORCE 16 |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 808 | #define DHOPT_BANK 32 |
Simon Kelley | 73a08a2 | 2009-02-05 20:28:08 +0000 | [diff] [blame] | 809 | #define DHOPT_ENCAP_DONE 64 |
| 810 | #define DHOPT_MATCH 128 |
| 811 | #define DHOPT_VENDOR 256 |
| 812 | #define DHOPT_HEX 512 |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 813 | #define DHOPT_VENDOR_MATCH 1024 |
Simon Kelley | 316e273 | 2010-01-22 20:16:09 +0000 | [diff] [blame] | 814 | #define DHOPT_RFC3925 2048 |
Simon Kelley | 7de060b | 2011-08-26 17:24:52 +0100 | [diff] [blame] | 815 | #define DHOPT_TAGOK 4096 |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 816 | #define DHOPT_ADDR6 8192 |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 817 | |
Simon Kelley | 26128d2 | 2004-11-14 16:43:54 +0000 | [diff] [blame] | 818 | struct dhcp_boot { |
Simon Kelley | 7de060b | 2011-08-26 17:24:52 +0100 | [diff] [blame] | 819 | char *file, *sname, *tftp_sname; |
Simon Kelley | 26128d2 | 2004-11-14 16:43:54 +0000 | [diff] [blame] | 820 | struct in_addr next_server; |
| 821 | struct dhcp_netid *netid; |
| 822 | struct dhcp_boot *next; |
| 823 | }; |
| 824 | |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 825 | struct pxe_service { |
| 826 | unsigned short CSA, type; |
Simon Kelley | 751d6f4 | 2012-02-10 15:24:51 +0000 | [diff] [blame] | 827 | char *menu, *basename, *sname; |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 828 | struct in_addr server; |
| 829 | struct dhcp_netid *netid; |
| 830 | struct pxe_service *next; |
| 831 | }; |
| 832 | |
Simon Kelley | f2621c7 | 2007-04-29 19:47:21 +0100 | [diff] [blame] | 833 | #define MATCH_VENDOR 1 |
| 834 | #define MATCH_USER 2 |
| 835 | #define MATCH_CIRCUIT 3 |
| 836 | #define MATCH_REMOTE 4 |
| 837 | #define MATCH_SUBSCRIBER 5 |
| 838 | |
Josh Soref | 730c674 | 2017-02-06 16:14:04 +0000 | [diff] [blame] | 839 | /* vendorclass, userclass, remote-id or circuit-id */ |
Simon Kelley | a84fa1d | 2004-04-23 22:21:21 +0100 | [diff] [blame] | 840 | struct dhcp_vendor { |
Simon Kelley | a5c72ab | 2012-02-10 13:42:47 +0000 | [diff] [blame] | 841 | int len, match_type; |
| 842 | unsigned int enterprise; |
Simon Kelley | a222641 | 2004-05-13 20:27:08 +0100 | [diff] [blame] | 843 | char *data; |
| 844 | struct dhcp_netid netid; |
Simon Kelley | a84fa1d | 2004-04-23 22:21:21 +0100 | [diff] [blame] | 845 | struct dhcp_vendor *next; |
| 846 | }; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 847 | |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 848 | struct dhcp_mac { |
| 849 | unsigned int mask; |
| 850 | int hwaddr_len, hwaddr_type; |
| 851 | unsigned char hwaddr[DHCP_CHADDR_MAX]; |
| 852 | struct dhcp_netid netid; |
| 853 | struct dhcp_mac *next; |
| 854 | }; |
| 855 | |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 856 | struct dhcp_bridge { |
| 857 | char iface[IF_NAMESIZE]; |
| 858 | struct dhcp_bridge *alias, *next; |
| 859 | }; |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 860 | |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 861 | struct cond_domain { |
Simon Kelley | 48fd1c4 | 2013-04-25 09:49:38 +0100 | [diff] [blame] | 862 | char *domain, *prefix; |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 863 | struct in_addr start, end; |
Simon Kelley | d74942a | 2012-02-07 20:51:56 +0000 | [diff] [blame] | 864 | #ifdef HAVE_IPV6 |
| 865 | struct in6_addr start6, end6; |
| 866 | #endif |
Simon Kelley | 6b2b564 | 2018-03-10 18:12:04 +0000 | [diff] [blame] | 867 | int is6, indexed; |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 868 | struct cond_domain *next; |
Simon Kelley | 1f77693 | 2012-12-16 19:46:08 +0000 | [diff] [blame] | 869 | }; |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 870 | |
Simon Kelley | a6ebfac | 2013-03-06 20:52:35 +0000 | [diff] [blame] | 871 | #ifdef OPTION6_PREFIX_CLASS |
| 872 | struct prefix_class { |
| 873 | int class; |
Simon Kelley | c630924 | 2013-03-07 20:59:28 +0000 | [diff] [blame] | 874 | struct dhcp_netid tag; |
Simon Kelley | a6ebfac | 2013-03-06 20:52:35 +0000 | [diff] [blame] | 875 | struct prefix_class *next; |
| 876 | }; |
| 877 | #endif |
| 878 | |
Simon Kelley | c4cd95d | 2013-10-10 20:58:11 +0100 | [diff] [blame] | 879 | struct ra_interface { |
| 880 | char *name; |
Vladislav Grishenko | 6ec5f5c | 2017-04-24 22:34:45 +0100 | [diff] [blame] | 881 | char *mtu_name; |
David Flamand | 005c46d | 2017-04-11 11:49:54 +0100 | [diff] [blame] | 882 | int interval, lifetime, prio, mtu; |
Simon Kelley | c4cd95d | 2013-10-10 20:58:11 +0100 | [diff] [blame] | 883 | struct ra_interface *next; |
| 884 | }; |
| 885 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 886 | struct dhcp_context { |
Simon Kelley | feba5c1 | 2004-07-27 20:28:58 +0100 | [diff] [blame] | 887 | unsigned int lease_time, addr_epoch; |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 888 | struct in_addr netmask, broadcast; |
| 889 | struct in_addr local, router; |
Simon Kelley | a84fa1d | 2004-04-23 22:21:21 +0100 | [diff] [blame] | 890 | struct in_addr start, end; /* range of available addresses */ |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 891 | #ifdef HAVE_DHCP6 |
| 892 | struct in6_addr start6, end6; /* range of available addresses */ |
Simon Kelley | e44ddca | 2012-02-18 17:08:50 +0000 | [diff] [blame] | 893 | struct in6_addr local6; |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 894 | int prefix, if_index; |
Simon Kelley | ef1a94a | 2013-07-26 13:59:03 +0100 | [diff] [blame] | 895 | unsigned int valid, preferred, saved_valid; |
| 896 | time_t ra_time, ra_short_period_start, address_lost_time; |
Simon Kelley | 1f77693 | 2012-12-16 19:46:08 +0000 | [diff] [blame] | 897 | char *template_interface; |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 898 | #endif |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 899 | int flags; |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 900 | struct dhcp_netid netid, *filter; |
Simon Kelley | 36717ee | 2004-09-20 19:20:58 +0100 | [diff] [blame] | 901 | struct dhcp_context *next, *current; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 902 | }; |
| 903 | |
Simon Kelley | 89500e3 | 2013-09-20 16:29:20 +0100 | [diff] [blame] | 904 | #define CONTEXT_STATIC (1u<<0) |
| 905 | #define CONTEXT_NETMASK (1u<<1) |
| 906 | #define CONTEXT_BRDCAST (1u<<2) |
| 907 | #define CONTEXT_PROXY (1u<<3) |
Simon Kelley | 7ea3d3f | 2014-04-25 22:04:05 +0100 | [diff] [blame] | 908 | #define CONTEXT_RA_ROUTER (1u<<4) |
Simon Kelley | 89500e3 | 2013-09-20 16:29:20 +0100 | [diff] [blame] | 909 | #define CONTEXT_RA_DONE (1u<<5) |
| 910 | #define CONTEXT_RA_NAME (1u<<6) |
| 911 | #define CONTEXT_RA_STATELESS (1u<<7) |
| 912 | #define CONTEXT_DHCP (1u<<8) |
| 913 | #define CONTEXT_DEPRECATE (1u<<9) |
| 914 | #define CONTEXT_TEMPLATE (1u<<10) /* create contexts using addresses */ |
| 915 | #define CONTEXT_CONSTRUCTED (1u<<11) |
| 916 | #define CONTEXT_GC (1u<<12) |
| 917 | #define CONTEXT_RA (1u<<13) |
| 918 | #define CONTEXT_CONF_USED (1u<<14) |
| 919 | #define CONTEXT_USED (1u<<15) |
Simon Kelley | 376d48c | 2013-11-13 13:04:30 +0000 | [diff] [blame] | 920 | #define CONTEXT_OLD (1u<<16) |
| 921 | #define CONTEXT_V6 (1u<<17) |
Neil Jerram | 2fd5bc9 | 2015-06-10 22:13:06 +0100 | [diff] [blame] | 922 | #define CONTEXT_RA_OFF_LINK (1u<<18) |
Simon Kelley | ef1a94a | 2013-07-26 13:59:03 +0100 | [diff] [blame] | 923 | |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 924 | struct ping_result { |
| 925 | struct in_addr addr; |
| 926 | time_t time; |
Simon Kelley | 7de060b | 2011-08-26 17:24:52 +0100 | [diff] [blame] | 927 | unsigned int hash; |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 928 | struct ping_result *next; |
| 929 | }; |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 930 | |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 931 | struct tftp_file { |
| 932 | int refcount, fd; |
| 933 | off_t size; |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 934 | dev_t dev; |
| 935 | ino_t inode; |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 936 | char filename[]; |
| 937 | }; |
| 938 | |
| 939 | struct tftp_transfer { |
| 940 | int sockfd; |
| 941 | time_t timeout; |
| 942 | int backoff; |
Simon Kelley | 9e03894 | 2008-05-30 20:06:34 +0100 | [diff] [blame] | 943 | unsigned int block, blocksize, expansion; |
| 944 | off_t offset; |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 945 | union mysockaddr peer; |
Simon Kelley | 9e03894 | 2008-05-30 20:06:34 +0100 | [diff] [blame] | 946 | char opt_blocksize, opt_transize, netascii, carrylf; |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 947 | struct tftp_file *file; |
| 948 | struct tftp_transfer *next; |
| 949 | }; |
| 950 | |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 951 | struct addr_list { |
| 952 | struct in_addr addr; |
| 953 | struct addr_list *next; |
| 954 | }; |
| 955 | |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 956 | struct tftp_prefix { |
| 957 | char *interface; |
| 958 | char *prefix; |
Stefan Tomanek | 30d0879 | 2015-03-31 22:32:11 +0100 | [diff] [blame] | 959 | int missing; |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 960 | struct tftp_prefix *next; |
| 961 | }; |
| 962 | |
Simon Kelley | ff7eea2 | 2013-09-04 18:01:38 +0100 | [diff] [blame] | 963 | struct dhcp_relay { |
| 964 | struct all_addr local, server; |
| 965 | char *interface; /* Allowable interface for replies from server, and dest for IPv6 multicast */ |
| 966 | int iface_index; /* working - interface in which requests arrived, for return */ |
| 967 | struct dhcp_relay *current, *next; |
| 968 | }; |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 969 | |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 970 | extern struct daemon { |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 971 | /* datastuctures representing the command-line and |
| 972 | config file arguments. All set (including defaults) |
| 973 | in option.c */ |
| 974 | |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 975 | unsigned int options, options2; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 976 | struct resolvc default_resolv, *resolv_files; |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 977 | time_t last_resolv; |
Simon Kelley | 7b1eae4 | 2014-02-20 13:43:28 +0000 | [diff] [blame] | 978 | char *servers_file; |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 979 | struct mx_srv_record *mxnames; |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 980 | struct naptr *naptr; |
Simon Kelley | 9f7f3b1 | 2012-05-28 21:39:57 +0100 | [diff] [blame] | 981 | struct txt_record *txt, *rr; |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 982 | struct ptr_record *ptr; |
Simon Kelley | e759d42 | 2012-03-16 13:18:57 +0000 | [diff] [blame] | 983 | struct host_record *host_records, *host_records_tail; |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 984 | struct cname *cnames; |
Simon Kelley | 4f7b304 | 2012-11-28 21:27:02 +0000 | [diff] [blame] | 985 | struct auth_zone *auth_zones; |
Simon Kelley | f2621c7 | 2007-04-29 19:47:21 +0100 | [diff] [blame] | 986 | struct interface_name *int_names; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 987 | char *mxtarget; |
Ed Bardsley | a7369be | 2015-08-05 21:17:18 +0100 | [diff] [blame] | 988 | struct mysubnet *add_subnet4; |
| 989 | struct mysubnet *add_subnet6; |
| 990 | char *lease_file; |
Simon Kelley | 9e03894 | 2008-05-30 20:06:34 +0100 | [diff] [blame] | 991 | char *username, *groupname, *scriptuser; |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 992 | char *luascript; |
Simon Kelley | 429798f | 2012-12-10 20:45:53 +0000 | [diff] [blame] | 993 | char *authserver, *hostmaster; |
| 994 | struct iname *authinterface; |
Simon Kelley | e1ff419 | 2012-12-09 17:08:47 +0000 | [diff] [blame] | 995 | struct name_list *secondary_forward_server; |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 996 | int group_set, osport; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 997 | char *domain_suffix; |
Simon Kelley | 2bb73af | 2013-04-24 17:38:19 +0100 | [diff] [blame] | 998 | struct cond_domain *cond_domain, *synth_domains; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 999 | char *runfile; |
Simon Kelley | 7cebd20 | 2006-05-06 14:13:33 +0100 | [diff] [blame] | 1000 | char *lease_change_command; |
Simon Kelley | 2937f8a | 2013-07-29 19:49:07 +0100 | [diff] [blame] | 1001 | struct iname *if_names, *if_addrs, *if_except, *dhcp_except, *auth_peers, *tftp_interfaces; |
Glen Huang | 32fc6db | 2014-12-27 15:28:12 +0000 | [diff] [blame] | 1002 | struct bogus_addr *bogus_addr, *ignore_addr; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1003 | struct server *servers; |
Jason A. Donenfeld | 13d86c7 | 2013-02-22 18:20:53 +0000 | [diff] [blame] | 1004 | struct ipsets *ipsets; |
Simon Kelley | 849a835 | 2006-06-09 21:02:31 +0100 | [diff] [blame] | 1005 | int log_fac; /* log facility */ |
Simon Kelley | f2621c7 | 2007-04-29 19:47:21 +0100 | [diff] [blame] | 1006 | char *log_file; /* optional log file */ |
| 1007 | int max_logs; /* queue limit */ |
Simon Kelley | 208b65c | 2006-08-05 21:41:37 +0100 | [diff] [blame] | 1008 | int cachesize, ftabsize; |
Hans Dedecker | 926332a | 2016-01-23 10:48:12 +0000 | [diff] [blame] | 1009 | int port, query_port, min_port, max_port; |
Simon Kelley | 832e47b | 2016-02-24 21:24:45 +0000 | [diff] [blame] | 1010 | unsigned long local_ttl, neg_ttl, max_ttl, min_cache_ttl, max_cache_ttl, auth_ttl, dhcp_ttl, use_dhcp_ttl; |
Simon Kelley | 33702ab | 2015-12-28 23:17:15 +0000 | [diff] [blame] | 1011 | char *dns_client_id; |
Simon Kelley | fd9fa48 | 2004-10-21 20:24:00 +0100 | [diff] [blame] | 1012 | struct hostsfile *addn_hosts; |
Simon Kelley | 1f77693 | 2012-12-16 19:46:08 +0000 | [diff] [blame] | 1013 | struct dhcp_context *dhcp, *dhcp6; |
Simon Kelley | c4cd95d | 2013-10-10 20:58:11 +0100 | [diff] [blame] | 1014 | struct ra_interface *ra_interfaces; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1015 | struct dhcp_config *dhcp_conf; |
Simon Kelley | 3634c54 | 2012-02-08 14:22:37 +0000 | [diff] [blame] | 1016 | struct dhcp_opt *dhcp_opts, *dhcp_match, *dhcp_opts6, *dhcp_match6; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1017 | struct dhcp_vendor *dhcp_vendors; |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 1018 | struct dhcp_mac *dhcp_macs; |
Simon Kelley | 26128d2 | 2004-11-14 16:43:54 +0000 | [diff] [blame] | 1019 | struct dhcp_boot *boot_config; |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1020 | struct pxe_service *pxe_services; |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 1021 | struct tag_if *tag_if; |
| 1022 | struct addr_list *override_relays; |
Simon Kelley | ff7eea2 | 2013-09-04 18:01:38 +0100 | [diff] [blame] | 1023 | struct dhcp_relay *relay4, *relay6; |
Floris Bos | 503c609 | 2017-04-09 23:07:13 +0100 | [diff] [blame] | 1024 | struct delay_config *delay_conf; |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 1025 | int override; |
Simon Kelley | 1f15b81 | 2009-10-13 17:49:32 +0100 | [diff] [blame] | 1026 | int enable_pxe; |
Simon Kelley | 1f77693 | 2012-12-16 19:46:08 +0000 | [diff] [blame] | 1027 | int doing_ra, doing_dhcp6; |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 1028 | struct dhcp_netid_list *dhcp_ignore, *dhcp_ignore_names, *dhcp_gen_names; |
| 1029 | struct dhcp_netid_list *force_broadcast, *bootp_dynamic; |
Simon Kelley | 70d1873 | 2015-01-31 19:59:29 +0000 | [diff] [blame] | 1030 | struct hostsfile *dhcp_hosts_file, *dhcp_opts_file, *dynamic_dirs; |
Simon Kelley | bec366b | 2016-02-24 22:03:26 +0000 | [diff] [blame] | 1031 | int dhcp_max, tftp_max, tftp_mtu; |
Simon Kelley | 9e03894 | 2008-05-30 20:06:34 +0100 | [diff] [blame] | 1032 | int dhcp_server_port, dhcp_client_port; |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1033 | int start_tftp_port, end_tftp_port; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1034 | unsigned int min_leasetime; |
| 1035 | struct doctor *doctors; |
| 1036 | unsigned short edns_pktsz; |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1037 | char *tftp_prefix; |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 1038 | struct tftp_prefix *if_prefix; /* per-interface TFTP prefixes */ |
Simon Kelley | 8b37270 | 2012-03-09 17:45:10 +0000 | [diff] [blame] | 1039 | unsigned int duid_enterprise, duid_config_len; |
| 1040 | unsigned char *duid_config; |
Simon Kelley | ad09427 | 2012-08-10 17:10:54 +0100 | [diff] [blame] | 1041 | char *dbus_name; |
Simon Kelley | 6b17335 | 2018-05-08 18:32:14 +0100 | [diff] [blame] | 1042 | char *dump_file; |
| 1043 | int dump_mask; |
Simon Kelley | 4f7b304 | 2012-11-28 21:27:02 +0000 | [diff] [blame] | 1044 | unsigned long soa_sn, soa_refresh, soa_retry, soa_expiry; |
Julian Kornberger | aba8bbb | 2018-07-21 21:55:08 +0100 | [diff] [blame] | 1045 | u32 metrics[__METRIC_MAX]; |
Simon Kelley | c630924 | 2013-03-07 20:59:28 +0000 | [diff] [blame] | 1046 | #ifdef OPTION6_PREFIX_CLASS |
| 1047 | struct prefix_class *prefix_classes; |
| 1048 | #endif |
Simon Kelley | 0fc2f31 | 2014-01-08 10:26:58 +0000 | [diff] [blame] | 1049 | #ifdef HAVE_DNSSEC |
Simon Kelley | ee41586 | 2014-02-11 11:07:22 +0000 | [diff] [blame] | 1050 | struct ds_config *ds; |
Simon Kelley | f6e62e2 | 2015-03-01 18:17:54 +0000 | [diff] [blame] | 1051 | char *timestamp_file; |
Simon Kelley | 0fc2f31 | 2014-01-08 10:26:58 +0000 | [diff] [blame] | 1052 | #endif |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1053 | |
| 1054 | /* globally used stuff for DNS */ |
| 1055 | char *packet; /* packet buffer */ |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 1056 | int packet_buff_sz; /* size of above */ |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1057 | char *namebuff; /* MAXDNAME size buffer */ |
Simon Kelley | c3e0b9b | 2013-12-31 13:50:39 +0000 | [diff] [blame] | 1058 | #ifdef HAVE_DNSSEC |
| 1059 | char *keyname; /* MAXDNAME size buffer */ |
Simon Kelley | 5107ace | 2014-02-23 10:48:32 +0000 | [diff] [blame] | 1060 | char *workspacename; /* ditto */ |
Simon Kelley | 373e917 | 2017-12-01 22:40:56 +0000 | [diff] [blame] | 1061 | char *rr_status; /* flags for individual RRs */ |
| 1062 | int rr_status_sz; |
Simon Kelley | 6b17335 | 2018-05-08 18:32:14 +0100 | [diff] [blame] | 1063 | int dnssec_no_time_check; |
| 1064 | int back_to_the_future; |
Simon Kelley | c3e0b9b | 2013-12-31 13:50:39 +0000 | [diff] [blame] | 1065 | #endif |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 1066 | struct frec *frec_list; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1067 | struct serverfd *sfds; |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 1068 | struct irec *interfaces; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1069 | struct listener *listeners; |
| 1070 | struct server *last_server; |
Simon Kelley | 1f15b81 | 2009-10-13 17:49:32 +0100 | [diff] [blame] | 1071 | time_t forwardtime; |
| 1072 | int forwardcount; |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 1073 | struct server *srv_save; /* Used for resend on DoD */ |
| 1074 | size_t packet_len; /* " " */ |
Simon Kelley | 3927da4 | 2008-07-20 15:10:39 +0100 | [diff] [blame] | 1075 | struct randfd *rfd_save; /* " " */ |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1076 | pid_t tcp_pids[MAX_PROCS]; |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 1077 | struct randfd randomsocks[RANDOM_SOCKS]; |
Simon Kelley | 316e273 | 2010-01-22 20:16:09 +0000 | [diff] [blame] | 1078 | int v6pktinfo; |
Simon Kelley | c8a8048 | 2014-03-05 14:29:54 +0000 | [diff] [blame] | 1079 | struct addrlist *interface_addrs; /* list of all addresses/prefix lengths associated with all local interfaces */ |
Simon Kelley | 25cf5e3 | 2015-01-09 15:53:03 +0000 | [diff] [blame] | 1080 | int log_id, log_display_id; /* ids of transactions for logging */ |
| 1081 | union mysockaddr *log_source_addr; |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 1082 | |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1083 | /* DHCP state */ |
Simon Kelley | 316e273 | 2010-01-22 20:16:09 +0000 | [diff] [blame] | 1084 | int dhcpfd, helperfd, pxefd; |
Simon Kelley | 0491805 | 2015-01-26 11:23:43 +0000 | [diff] [blame] | 1085 | #ifdef HAVE_INOTIFY |
| 1086 | int inotifyfd; |
| 1087 | #endif |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1088 | #if defined(HAVE_LINUX_NETWORK) |
Simon Kelley | 0491805 | 2015-01-26 11:23:43 +0000 | [diff] [blame] | 1089 | int netlinkfd; |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1090 | #elif defined(HAVE_BSD_NETWORK) |
Simon Kelley | 1ee9be4 | 2013-12-09 16:50:19 +0000 | [diff] [blame] | 1091 | int dhcp_raw_fd, dhcp_icmp_fd, routefd; |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 1092 | #endif |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 1093 | struct iovec dhcp_packet; |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 1094 | char *dhcp_buff, *dhcp_buff2, *dhcp_buff3; |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 1095 | struct ping_result *ping_results; |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 1096 | FILE *lease_stream; |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 1097 | struct dhcp_bridge *bridges; |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1098 | #ifdef HAVE_DHCP6 |
| 1099 | int duid_len; |
| 1100 | unsigned char *duid; |
| 1101 | struct iovec outpacket; |
Simon Kelley | c5ad4e7 | 2012-02-24 16:06:20 +0000 | [diff] [blame] | 1102 | int dhcp6fd, icmp6fd; |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1103 | #endif |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 1104 | /* DBus stuff */ |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 1105 | /* void * here to avoid depending on dbus headers outside dbus.c */ |
| 1106 | void *dbus; |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 1107 | #ifdef HAVE_DBUS |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 1108 | struct watch *watches; |
| 1109 | #endif |
| 1110 | |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 1111 | /* TFTP stuff */ |
Simon Kelley | a953096 | 2012-03-20 22:07:35 +0000 | [diff] [blame] | 1112 | struct tftp_transfer *tftp_trans, *tftp_done_trans; |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1113 | |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1114 | /* utility string buffer, hold max sized IP address as string */ |
| 1115 | char *addrbuff; |
Simon Kelley | 25cf5e3 | 2015-01-09 15:53:03 +0000 | [diff] [blame] | 1116 | char *addrbuff2; /* only allocated when OPT_EXTRALOG */ |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1117 | |
Simon Kelley | 6b17335 | 2018-05-08 18:32:14 +0100 | [diff] [blame] | 1118 | #ifdef HAVE_DUMPFILE |
| 1119 | /* file for packet dumps. */ |
| 1120 | int dumpfd; |
| 1121 | #endif |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1122 | } *daemon; |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1123 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1124 | /* cache.c */ |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1125 | void cache_init(void); |
Simon Kelley | 45d8a24 | 2018-07-17 21:01:14 +0100 | [diff] [blame] | 1126 | void next_uid(struct crec *crecp); |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 1127 | void log_query(unsigned int flags, char *name, struct all_addr *addr, char *arg); |
Simon Kelley | 19c51cf | 2014-03-18 22:38:30 +0000 | [diff] [blame] | 1128 | char *record_source(unsigned int index); |
Simon Kelley | 610e782 | 2014-02-06 14:45:17 +0000 | [diff] [blame] | 1129 | char *querystr(char *desc, unsigned short type); |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1130 | struct crec *cache_find_by_addr(struct crec *crecp, |
| 1131 | struct all_addr *addr, time_t now, |
Simon Kelley | 12fae49 | 2014-02-04 22:03:06 +0000 | [diff] [blame] | 1132 | unsigned int prot); |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1133 | struct crec *cache_find_by_name(struct crec *crecp, |
Simon Kelley | 12fae49 | 2014-02-04 22:03:06 +0000 | [diff] [blame] | 1134 | char *name, time_t now, unsigned int prot); |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1135 | void cache_end_insert(void); |
| 1136 | void cache_start_insert(void); |
Simon Kelley | fd9fa48 | 2004-10-21 20:24:00 +0100 | [diff] [blame] | 1137 | struct crec *cache_insert(char *name, struct all_addr *addr, |
| 1138 | time_t now, unsigned long ttl, unsigned short flags); |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1139 | void cache_reload(void); |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 1140 | void cache_add_dhcp_entry(char *host_name, int prot, struct all_addr *host_address, time_t ttd); |
Simon Kelley | 7de060b | 2011-08-26 17:24:52 +0100 | [diff] [blame] | 1141 | struct in_addr a_record_from_hosts(char *name, time_t now); |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1142 | void cache_unhash_dhcp(void); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1143 | void dump_cache(time_t now); |
Kevin Darbyshire-Bryant | 7ac9ae1 | 2016-09-09 20:52:08 +0100 | [diff] [blame] | 1144 | #ifndef NO_ID |
Simon Kelley | fec216d | 2014-03-27 20:54:34 +0000 | [diff] [blame] | 1145 | int cache_make_stat(struct txt_record *t); |
Kevin Darbyshire-Bryant | 7ac9ae1 | 2016-09-09 20:52:08 +0100 | [diff] [blame] | 1146 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1147 | char *cache_get_name(struct crec *crecp); |
Simon Kelley | d56a604 | 2013-10-11 14:39:03 +0100 | [diff] [blame] | 1148 | char *cache_get_cname_target(struct crec *crecp); |
Simon Kelley | b75e936 | 2012-12-07 11:50:41 +0000 | [diff] [blame] | 1149 | struct crec *cache_enumerate(int init); |
Simon Kelley | 70d1873 | 2015-01-31 19:59:29 +0000 | [diff] [blame] | 1150 | int read_hostsfile(char *filename, unsigned int index, int cache_size, |
| 1151 | struct crec **rhash, int hashsz); |
Simon Kelley | 98c098b | 2014-01-08 17:31:16 +0000 | [diff] [blame] | 1152 | |
| 1153 | /* blockdata.c */ |
Simon Kelley | 7b4ad2e | 2012-04-04 14:05:35 +0100 | [diff] [blame] | 1154 | #ifdef HAVE_DNSSEC |
Simon Kelley | 82e3f45 | 2014-01-31 21:05:48 +0000 | [diff] [blame] | 1155 | void blockdata_init(void); |
Simon Kelley | c220768 | 2014-01-08 18:04:20 +0000 | [diff] [blame] | 1156 | void blockdata_report(void); |
Simon Kelley | 3a23715 | 2013-12-12 12:15:50 +0000 | [diff] [blame] | 1157 | struct blockdata *blockdata_alloc(char *data, size_t len); |
Simon Kelley | 86bec2d | 2014-01-13 21:31:20 +0000 | [diff] [blame] | 1158 | void *blockdata_retrieve(struct blockdata *block, size_t len, void *data); |
Simon Kelley | 3a23715 | 2013-12-12 12:15:50 +0000 | [diff] [blame] | 1159 | void blockdata_free(struct blockdata *blocks); |
Simon Kelley | 7b4ad2e | 2012-04-04 14:05:35 +0100 | [diff] [blame] | 1160 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1161 | |
Simon Kelley | 2bb73af | 2013-04-24 17:38:19 +0100 | [diff] [blame] | 1162 | /* domain.c */ |
| 1163 | char *get_domain(struct in_addr addr); |
| 1164 | #ifdef HAVE_IPV6 |
| 1165 | char *get_domain6(struct in6_addr *addr); |
| 1166 | #endif |
| 1167 | int is_name_synthetic(int flags, char *name, struct all_addr *addr); |
| 1168 | int is_rev_synth(int flag, struct all_addr *addr, char *name); |
| 1169 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1170 | /* rfc1035.c */ |
Giovanni Bajo | f53c79c | 2012-04-22 14:30:53 +0200 | [diff] [blame] | 1171 | int extract_name(struct dns_header *header, size_t plen, unsigned char **pp, |
| 1172 | char *name, int isExtract, int extrabytes); |
Giovanni Bajo | 32f82c6 | 2012-04-28 01:01:16 +0200 | [diff] [blame] | 1173 | unsigned char *skip_name(unsigned char *ansp, struct dns_header *header, size_t plen, int extrabytes); |
Giovanni Bajo | f53c79c | 2012-04-22 14:30:53 +0200 | [diff] [blame] | 1174 | unsigned char *skip_questions(struct dns_header *header, size_t plen); |
Simon Kelley | 5107ace | 2014-02-23 10:48:32 +0000 | [diff] [blame] | 1175 | unsigned char *skip_section(unsigned char *ansp, int count, struct dns_header *header, size_t plen); |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 1176 | unsigned int extract_request(struct dns_header *header, size_t qlen, |
Simon Kelley | c1bb850 | 2004-08-11 18:40:17 +0100 | [diff] [blame] | 1177 | char *name, unsigned short *typep); |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 1178 | size_t setup_reply(struct dns_header *header, size_t qlen, |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 1179 | struct all_addr *addrp, unsigned int flags, |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1180 | unsigned long ttl); |
| 1181 | int extract_addresses(struct dns_header *header, size_t qlen, char *name, |
| 1182 | time_t now, char **ipsets, int is_sign, int check_rebind, |
Simon Kelley | 373e917 | 2017-12-01 22:40:56 +0000 | [diff] [blame] | 1183 | int no_cache_dnssec, int secure, int *doctored); |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 1184 | size_t answer_request(struct dns_header *header, char *limit, size_t qlen, |
Simon Kelley | 83349b8 | 2014-02-10 21:02:01 +0000 | [diff] [blame] | 1185 | struct in_addr local_addr, struct in_addr local_netmask, |
Simon Kelley | fa14bec | 2015-12-20 17:12:16 +0000 | [diff] [blame] | 1186 | time_t now, int ad_reqd, int do_bit, int have_pseudoheader); |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 1187 | int check_for_bogus_wildcard(struct dns_header *header, size_t qlen, char *name, |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1188 | struct bogus_addr *baddr, time_t now); |
Glen Huang | 32fc6db | 2014-12-27 15:28:12 +0000 | [diff] [blame] | 1189 | int check_for_ignored_address(struct dns_header *header, size_t qlen, struct bogus_addr *baddr); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1190 | int check_for_local_domain(char *name, time_t now); |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1191 | unsigned int questions_crc(struct dns_header *header, size_t plen, char *name); |
Simon Kelley | 572b41e | 2011-02-18 18:11:18 +0000 | [diff] [blame] | 1192 | size_t resize_packet(struct dns_header *header, size_t plen, |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 1193 | unsigned char *pheader, size_t hlen); |
Simon Kelley | 4f7b304 | 2012-11-28 21:27:02 +0000 | [diff] [blame] | 1194 | int add_resource_record(struct dns_header *header, char *limit, int *truncp, |
Simon Kelley | b75e936 | 2012-12-07 11:50:41 +0000 | [diff] [blame] | 1195 | int nameoffset, unsigned char **pp, unsigned long ttl, |
Simon Kelley | e1ff419 | 2012-12-09 17:08:47 +0000 | [diff] [blame] | 1196 | int *offset, unsigned short type, unsigned short class, char *format, ...); |
Simon Kelley | 4f7b304 | 2012-11-28 21:27:02 +0000 | [diff] [blame] | 1197 | unsigned char *skip_questions(struct dns_header *header, size_t plen); |
| 1198 | int extract_name(struct dns_header *header, size_t plen, unsigned char **pp, |
| 1199 | char *name, int isExtract, int extrabytes); |
| 1200 | int in_arpa_name_2_addr(char *namein, struct all_addr *addrp); |
Simon Kelley | dc27e14 | 2013-10-16 13:09:53 +0100 | [diff] [blame] | 1201 | int private_net(struct in_addr addr, int ban_localhost); |
Simon Kelley | 4f7b304 | 2012-11-28 21:27:02 +0000 | [diff] [blame] | 1202 | |
| 1203 | /* auth.c */ |
Simon Kelley | 4820dce | 2012-12-18 18:30:30 +0000 | [diff] [blame] | 1204 | #ifdef HAVE_AUTH |
Simon Kelley | 19b1689 | 2013-10-20 10:19:39 +0100 | [diff] [blame] | 1205 | size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, |
Simon Kelley | fa14bec | 2015-12-20 17:12:16 +0000 | [diff] [blame] | 1206 | time_t now, union mysockaddr *peer_addr, int local_query, |
| 1207 | int do_bit, int have_pseudoheader); |
Simon Kelley | b485ed9 | 2013-10-18 22:00:39 +0100 | [diff] [blame] | 1208 | int in_zone(struct auth_zone *zone, char *name, char **cut); |
Simon Kelley | 4820dce | 2012-12-18 18:30:30 +0000 | [diff] [blame] | 1209 | #endif |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1210 | |
Giovanni Bajo | f53c79c | 2012-04-22 14:30:53 +0200 | [diff] [blame] | 1211 | /* dnssec.c */ |
Simon Kelley | 33702ab | 2015-12-28 23:17:15 +0000 | [diff] [blame] | 1212 | size_t dnssec_generate_query(struct dns_header *header, unsigned char *end, char *name, int class, int type, union mysockaddr *addr, int edns_pktsz); |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1213 | int dnssec_validate_by_ds(time_t now, struct dns_header *header, size_t plen, char *name, char *keyname, int class); |
Simon Kelley | c3e0b9b | 2013-12-31 13:50:39 +0000 | [diff] [blame] | 1214 | int dnssec_validate_ds(time_t now, struct dns_header *header, size_t plen, char *name, char *keyname, int class); |
Simon Kelley | 9a31b68 | 2015-12-15 10:20:39 +0000 | [diff] [blame] | 1215 | int dnssec_validate_reply(time_t now, struct dns_header *header, size_t plen, char *name, char *keyname, int *class, |
Simon Kelley | 373e917 | 2017-12-01 22:40:56 +0000 | [diff] [blame] | 1216 | int check_unsigned, int *neganswer, int *nons); |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1217 | int dnskey_keytag(int alg, int flags, unsigned char *key, int keylen); |
Simon Kelley | 613ad15 | 2014-02-25 23:02:28 +0000 | [diff] [blame] | 1218 | size_t filter_rrsigs(struct dns_header *header, size_t plen); |
Simon Kelley | 8a9be9e | 2014-01-25 23:17:21 +0000 | [diff] [blame] | 1219 | unsigned char* hash_questions(struct dns_header *header, size_t plen, char *name); |
Simon Kelley | 360f251 | 2015-03-07 18:28:06 +0000 | [diff] [blame] | 1220 | int setup_timestamp(void); |
Giovanni Bajo | f53c79c | 2012-04-22 14:30:53 +0200 | [diff] [blame] | 1221 | |
Simon Kelley | ad9c6f0 | 2017-10-27 22:13:49 +0100 | [diff] [blame] | 1222 | /* crypto.c */ |
| 1223 | const struct nettle_hash *hash_find(char *name); |
| 1224 | int hash_init(const struct nettle_hash *hash, void **ctxp, unsigned char **digestp); |
Simon Kelley | ad9c6f0 | 2017-10-27 22:13:49 +0100 | [diff] [blame] | 1225 | int verify(struct blockdata *key_data, unsigned int key_len, unsigned char *sig, size_t sig_len, |
| 1226 | unsigned char *digest, size_t digest_len, int algo); |
| 1227 | char *ds_digest_name(int digest); |
| 1228 | char *algo_digest_name(int algo); |
| 1229 | char *nsec3_digest_name(int digest); |
| 1230 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1231 | /* util.c */ |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 1232 | void rand_init(void); |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1233 | unsigned short rand16(void); |
Simon Kelley | b5ea1cc | 2014-07-29 16:34:14 +0100 | [diff] [blame] | 1234 | u32 rand32(void); |
Simon Kelley | 6586e83 | 2013-11-07 14:20:13 +0000 | [diff] [blame] | 1235 | u64 rand64(void); |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1236 | int legal_hostname(char *name); |
| 1237 | char *canonicalise(char *in, int *nomem); |
Simon Kelley | 0549c73 | 2017-09-25 18:17:11 +0100 | [diff] [blame] | 1238 | unsigned char *do_rfc1035_name(unsigned char *p, char *sval, char *limit); |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 1239 | void *safe_malloc(size_t size); |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 1240 | void safe_pipe(int *fd, int read_noblock); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1241 | void *whine_malloc(size_t size); |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1242 | int sa_len(union mysockaddr *addr); |
| 1243 | int sockaddr_isequal(union mysockaddr *s1, union mysockaddr *s2); |
Simon Kelley | c99df93 | 2012-10-12 13:39:04 +0100 | [diff] [blame] | 1244 | int hostname_isequal(const char *a, const char *b); |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 1245 | time_t dnsmasq_time(void); |
Lung-Pin Chang | dc8a1b1 | 2014-07-02 10:48:05 +0800 | [diff] [blame] | 1246 | int netmask_length(struct in_addr mask); |
Simon Kelley | a84fa1d | 2004-04-23 22:21:21 +0100 | [diff] [blame] | 1247 | int is_same_net(struct in_addr a, struct in_addr b, struct in_addr mask); |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1248 | #ifdef HAVE_IPV6 |
| 1249 | int is_same_net6(struct in6_addr *a, struct in6_addr *b, int prefixlen); |
Simon Kelley | 52b92f4 | 2012-01-22 16:05:15 +0000 | [diff] [blame] | 1250 | u64 addr6part(struct in6_addr *addr); |
| 1251 | void setaddr6part(struct in6_addr *addr, u64 host); |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1252 | #endif |
Simon Kelley | ff841eb | 2015-03-11 21:36:30 +0000 | [diff] [blame] | 1253 | int retry_send(ssize_t rc); |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 1254 | void prettyprint_time(char *buf, unsigned int t); |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 1255 | int prettyprint_addr(union mysockaddr *addr, char *buf); |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 1256 | int parse_hex(char *in, unsigned char *out, int maxlen, |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 1257 | unsigned int *wildcard_mask, int *mac_type); |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 1258 | int memcmp_masked(unsigned char *a, unsigned char *b, int len, |
| 1259 | unsigned int mask); |
| 1260 | int expand_buf(struct iovec *iov, size_t size); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1261 | char *print_mac(char *buff, unsigned char *mac, int len); |
Simon Kelley | 1697269 | 2006-10-16 20:04:18 +0100 | [diff] [blame] | 1262 | int read_write(int fd, unsigned char *packet, int size, int rw); |
Simon Kelley | 7cebd20 | 2006-05-06 14:13:33 +0100 | [diff] [blame] | 1263 | |
Simon Kelley | 49333cb | 2013-03-15 20:30:51 +0000 | [diff] [blame] | 1264 | int wildcard_match(const char* wildcard, const char* match); |
Neil Jerram | 70772c9 | 2014-06-11 21:22:40 +0100 | [diff] [blame] | 1265 | int wildcard_matchn(const char* wildcard, const char* match, int num); |
Simon Kelley | 49333cb | 2013-03-15 20:30:51 +0000 | [diff] [blame] | 1266 | |
Simon Kelley | f2621c7 | 2007-04-29 19:47:21 +0100 | [diff] [blame] | 1267 | /* log.c */ |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1268 | void die(char *message, char *arg1, int exit_code); |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 1269 | int log_start(struct passwd *ent_pw, int errfd); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1270 | int log_reopen(char *log_file); |
Rosen Penev | cbd29e5 | 2017-06-27 22:29:51 +0100 | [diff] [blame] | 1271 | |
Simon Kelley | f2621c7 | 2007-04-29 19:47:21 +0100 | [diff] [blame] | 1272 | void my_syslog(int priority, const char *format, ...); |
Rosen Penev | cbd29e5 | 2017-06-27 22:29:51 +0100 | [diff] [blame] | 1273 | |
Simon Kelley | b842bc9 | 2015-07-12 21:09:11 +0100 | [diff] [blame] | 1274 | void set_log_writer(void); |
| 1275 | void check_log_writer(int force); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1276 | void flush_log(void); |
Simon Kelley | f2621c7 | 2007-04-29 19:47:21 +0100 | [diff] [blame] | 1277 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1278 | /* option.c */ |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1279 | void read_opts (int argc, char **argv, char *compile_opts); |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 1280 | char *option_string(int prot, unsigned int opt, unsigned char *val, |
| 1281 | int opt_len, char *buf, int buf_len); |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1282 | void reread_dhcp(void); |
Simon Kelley | 7b1eae4 | 2014-02-20 13:43:28 +0000 | [diff] [blame] | 1283 | void read_servers_file(void); |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 1284 | void set_option_bool(unsigned int opt); |
Simon Kelley | 2b5bae9 | 2012-06-26 16:55:23 +0100 | [diff] [blame] | 1285 | void reset_option_bool(unsigned int opt); |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 1286 | struct hostsfile *expand_filelist(struct hostsfile *list); |
Simon Kelley | faafb3f | 2012-09-20 14:17:39 +0100 | [diff] [blame] | 1287 | char *parse_server(char *arg, union mysockaddr *addr, |
| 1288 | union mysockaddr *source_addr, char *interface, int *flags); |
Simon Kelley | 70d1873 | 2015-01-31 19:59:29 +0000 | [diff] [blame] | 1289 | int option_read_dynfile(char *file, int flags); |
| 1290 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1291 | /* forward.c */ |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 1292 | void reply_query(int fd, int family, time_t now); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1293 | void receive_query(struct listener *listen, time_t now); |
| 1294 | unsigned char *tcp_request(int confd, time_t now, |
Simon Kelley | 4f7b304 | 2012-11-28 21:27:02 +0000 | [diff] [blame] | 1295 | union mysockaddr *local_addr, struct in_addr netmask, int auth_dns); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1296 | void server_gone(struct server *server); |
Simon Kelley | 3a23715 | 2013-12-12 12:15:50 +0000 | [diff] [blame] | 1297 | struct frec *get_new_frec(time_t now, int *wait, int force); |
Simon Kelley | 29689cf | 2012-03-22 14:01:00 +0000 | [diff] [blame] | 1298 | int send_from(int fd, int nowild, char *packet, size_t len, |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1299 | union mysockaddr *to, struct all_addr *source, |
Simon Kelley | 50303b1 | 2012-04-04 22:13:17 +0100 | [diff] [blame] | 1300 | unsigned int iface); |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1301 | void resend_query(void); |
Simon Kelley | b5ea1cc | 2014-07-29 16:34:14 +0100 | [diff] [blame] | 1302 | struct randfd *allocate_rfd(int family); |
| 1303 | void free_rfd(struct randfd *rfd); |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1304 | |
| 1305 | /* network.c */ |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1306 | int indextoname(int fd, int index, char *name); |
Simon Kelley | 9d6918d | 2017-10-13 17:55:09 +0100 | [diff] [blame] | 1307 | int local_bind(int fd, union mysockaddr *addr, char *intname, unsigned int ifindex, int is_tcp); |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 1308 | int random_sock(int family); |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1309 | void pre_allocate_sfds(void); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1310 | int reload_servers(char *fname); |
Simon Kelley | d68c2ca | 2014-02-18 22:30:30 +0000 | [diff] [blame] | 1311 | void mark_servers(int flag); |
| 1312 | void cleanup_servers(void); |
| 1313 | void add_update_server(int flags, |
| 1314 | union mysockaddr *addr, |
| 1315 | union mysockaddr *source_addr, |
| 1316 | const char *interface, |
| 1317 | const char *domain); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1318 | void check_servers(void); |
Simon Kelley | 115ac3e | 2013-05-20 11:28:32 +0100 | [diff] [blame] | 1319 | int enumerate_interfaces(int reset); |
Simon Kelley | 74c95c2 | 2011-10-19 09:33:39 +0100 | [diff] [blame] | 1320 | void create_wildcard_listeners(void); |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1321 | void create_bound_listeners(int dienow); |
Simon Kelley | dc27e14 | 2013-10-16 13:09:53 +0100 | [diff] [blame] | 1322 | void warn_bound_listeners(void); |
Petr MenÅ¡Ãk | ad59f27 | 2017-03-17 17:22:19 +0000 | [diff] [blame] | 1323 | void warn_wild_labels(void); |
Simon Kelley | f7029f5 | 2013-11-21 15:09:09 +0000 | [diff] [blame] | 1324 | void warn_int_names(void); |
Simon Kelley | 74c95c2 | 2011-10-19 09:33:39 +0100 | [diff] [blame] | 1325 | int is_dad_listeners(void); |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1326 | int iface_check(int family, struct all_addr *addr, char *name, int *auth); |
Simon Kelley | e25db1f | 2013-01-29 22:10:26 +0000 | [diff] [blame] | 1327 | int loopback_exception(int fd, int family, struct all_addr *addr, char *name); |
Simon Kelley | 3f2873d | 2013-05-14 11:28:47 +0100 | [diff] [blame] | 1328 | int label_exception(int index, int family, struct all_addr *addr); |
Simon Kelley | 7cebd20 | 2006-05-06 14:13:33 +0100 | [diff] [blame] | 1329 | int fix_fd(int fd); |
Simon Kelley | 22ce550 | 2013-01-22 13:53:04 +0000 | [diff] [blame] | 1330 | int tcp_interface(int fd, int af); |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1331 | #ifdef HAVE_IPV6 |
| 1332 | int set_ipv6pktinfo(int fd); |
| 1333 | #endif |
Simon Kelley | 5d162f2 | 2012-12-20 14:55:46 +0000 | [diff] [blame] | 1334 | #ifdef HAVE_DHCP6 |
| 1335 | void join_multicast(int dienow); |
| 1336 | #endif |
Simon Kelley | 1ee9be4 | 2013-12-09 16:50:19 +0000 | [diff] [blame] | 1337 | #if defined(HAVE_LINUX_NETWORK) || defined(HAVE_BSD_NETWORK) |
| 1338 | void newaddress(time_t now); |
| 1339 | #endif |
| 1340 | |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1341 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1342 | /* dhcp.c */ |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1343 | #ifdef HAVE_DHCP |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1344 | void dhcp_init(void); |
Simon Kelley | 316e273 | 2010-01-22 20:16:09 +0000 | [diff] [blame] | 1345 | void dhcp_packet(time_t now, int pxe_fd); |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1346 | struct dhcp_context *address_available(struct dhcp_context *context, |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1347 | struct in_addr taddr, |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1348 | struct dhcp_netid *netids); |
| 1349 | struct dhcp_context *narrow_context(struct dhcp_context *context, |
| 1350 | struct in_addr taddr, |
| 1351 | struct dhcp_netid *netids); |
Simon Kelley | 5ce3e76 | 2017-04-28 22:14:20 +0100 | [diff] [blame] | 1352 | struct ping_result *do_icmp_ping(time_t now, struct in_addr addr, |
Simon Kelley | c7be016 | 2017-05-10 22:21:53 +0100 | [diff] [blame] | 1353 | unsigned int hash, int loopback); |
Simon Kelley | 8ef5ada | 2010-06-03 19:42:45 +0100 | [diff] [blame] | 1354 | int address_allocate(struct dhcp_context *context, |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 1355 | struct in_addr *addrp, unsigned char *hwaddr, int hw_len, |
Simon Kelley | c7be016 | 2017-05-10 22:21:53 +0100 | [diff] [blame] | 1356 | struct dhcp_netid *netids, time_t now, int loopback); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1357 | void dhcp_read_ethers(void); |
Simon Kelley | dfa666f | 2004-08-02 18:27:27 +0100 | [diff] [blame] | 1358 | struct dhcp_config *config_find_by_address(struct dhcp_config *configs, struct in_addr addr); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1359 | char *host_from_dns(struct in_addr addr); |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1360 | #endif |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1361 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1362 | /* lease.c */ |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1363 | #ifdef HAVE_DHCP |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1364 | void lease_update_file(time_t now); |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 1365 | void lease_update_dns(int force); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1366 | void lease_init(time_t now); |
Simon Kelley | 52b92f4 | 2012-01-22 16:05:15 +0000 | [diff] [blame] | 1367 | struct dhcp_lease *lease4_allocate(struct in_addr addr); |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1368 | #ifdef HAVE_DHCP6 |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 1369 | struct dhcp_lease *lease6_allocate(struct in6_addr *addrp, int lease_type); |
| 1370 | struct dhcp_lease *lease6_find(unsigned char *clid, int clid_len, |
| 1371 | int lease_type, int iaid, struct in6_addr *addr); |
Simon Kelley | a6ebfac | 2013-03-06 20:52:35 +0000 | [diff] [blame] | 1372 | void lease6_reset(void); |
| 1373 | struct dhcp_lease *lease6_find_by_client(struct dhcp_lease *first, int lease_type, unsigned char *clid, int clid_len, int iaid); |
Simon Kelley | 52b92f4 | 2012-01-22 16:05:15 +0000 | [diff] [blame] | 1374 | struct dhcp_lease *lease6_find_by_addr(struct in6_addr *net, int prefix, u64 addr); |
Simon Kelley | 0793380 | 2012-02-14 20:55:25 +0000 | [diff] [blame] | 1375 | u64 lease_find_max_addr6(struct dhcp_context *context); |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 1376 | void lease_ping_reply(struct in6_addr *sender, unsigned char *packet, char *interface); |
Simon Kelley | 0c05024 | 2012-12-22 22:13:19 +0000 | [diff] [blame] | 1377 | void lease_update_slaac(time_t now); |
Simon Kelley | 89500e3 | 2013-09-20 16:29:20 +0100 | [diff] [blame] | 1378 | void lease_set_iaid(struct dhcp_lease *lease, int iaid); |
Simon Kelley | 3511a92 | 2013-11-07 10:28:11 +0000 | [diff] [blame] | 1379 | void lease_make_duid(time_t now); |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1380 | #endif |
Nicolas Cavallari | 64bcff1 | 2015-04-28 21:55:18 +0100 | [diff] [blame] | 1381 | void lease_set_hwaddr(struct dhcp_lease *lease, const unsigned char *hwaddr, |
| 1382 | const unsigned char *clid, int hw_len, int hw_type, |
| 1383 | int clid_len, time_t now, int force); |
| 1384 | void lease_set_hostname(struct dhcp_lease *lease, const char *name, int auth, char *domain, char *config_domain); |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 1385 | void lease_set_expires(struct dhcp_lease *lease, unsigned int len, time_t now); |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 1386 | void lease_set_interface(struct dhcp_lease *lease, int interface, time_t now); |
Simon Kelley | cdeda28 | 2006-03-16 20:16:06 +0000 | [diff] [blame] | 1387 | struct dhcp_lease *lease_find_by_client(unsigned char *hwaddr, int hw_len, int hw_type, |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 1388 | unsigned char *clid, int clid_len); |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1389 | struct dhcp_lease *lease_find_by_addr(struct in_addr addr); |
Simon Kelley | 7de060b | 2011-08-26 17:24:52 +0100 | [diff] [blame] | 1390 | struct in_addr lease_find_max_addr(struct dhcp_context *context); |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1391 | void lease_prune(struct dhcp_lease *target, time_t now); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1392 | void lease_update_from_configs(void); |
| 1393 | int do_script_run(time_t now); |
| 1394 | void rerun_scripts(void); |
Simon Kelley | 8b37270 | 2012-03-09 17:45:10 +0000 | [diff] [blame] | 1395 | void lease_find_interfaces(time_t now); |
Simon Kelley | ceae00d | 2012-02-09 21:28:14 +0000 | [diff] [blame] | 1396 | #ifdef HAVE_SCRIPT |
| 1397 | void lease_add_extradata(struct dhcp_lease *lease, unsigned char *data, |
| 1398 | unsigned int len, int delim); |
| 1399 | #endif |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1400 | #endif |
Simon Kelley | a84fa1d | 2004-04-23 22:21:21 +0100 | [diff] [blame] | 1401 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1402 | /* rfc2131.c */ |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1403 | #ifdef HAVE_DHCP |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1404 | size_t dhcp_reply(struct dhcp_context *context, char *iface_name, int int_index, |
Simon Kelley | c7be016 | 2017-05-10 22:21:53 +0100 | [diff] [blame] | 1405 | size_t sz, time_t now, int unicast_dest, int loopback, |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1406 | int *is_inform, int pxe, struct in_addr fallback, time_t recvtime); |
Simon Kelley | 9009d74 | 2008-11-14 20:04:27 +0000 | [diff] [blame] | 1407 | unsigned char *extended_hwaddr(int hwtype, int hwlen, unsigned char *hwaddr, |
| 1408 | int clid_len, unsigned char *clid, int *len_out); |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1409 | #endif |
Simon Kelley | 3be3454 | 2004-09-11 19:12:13 +0100 | [diff] [blame] | 1410 | |
| 1411 | /* dnsmasq.c */ |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1412 | #ifdef HAVE_DHCP |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 1413 | int make_icmp_sock(void); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1414 | int icmp_ping(struct in_addr addr); |
Floris Bos | 503c609 | 2017-04-09 23:07:13 +0100 | [diff] [blame] | 1415 | int delay_dhcp(time_t start, int sec, int fd, uint32_t addr, unsigned short id); |
Simon Kelley | 7622fc0 | 2009-06-04 20:32:05 +0100 | [diff] [blame] | 1416 | #endif |
Simon Kelley | 47a9516 | 2014-07-08 22:22:02 +0100 | [diff] [blame] | 1417 | void queue_event(int event); |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 1418 | void send_alarm(time_t event, time_t now); |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1419 | void send_event(int fd, int event, int data, char *msg); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1420 | void clear_cache_and_reload(time_t now); |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame] | 1421 | |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 1422 | /* netlink.c */ |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 1423 | #ifdef HAVE_LINUX_NETWORK |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1424 | void netlink_init(void); |
Simon Kelley | a0358e5 | 2014-06-07 13:38:48 +0100 | [diff] [blame] | 1425 | void netlink_multicast(void); |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 1426 | #endif |
| 1427 | |
| 1428 | /* bpf.c */ |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1429 | #ifdef HAVE_BSD_NETWORK |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1430 | void init_bpf(void); |
| 1431 | void send_via_bpf(struct dhcp_packet *mess, size_t len, |
Simon Kelley | 5e9e0ef | 2006-04-17 14:24:29 +0100 | [diff] [blame] | 1432 | struct in_addr iface_addr, struct ifreq *ifr); |
Simon Kelley | 1ee9be4 | 2013-12-09 16:50:19 +0000 | [diff] [blame] | 1433 | void route_init(void); |
Simon Kelley | a0358e5 | 2014-06-07 13:38:48 +0100 | [diff] [blame] | 1434 | void route_sock(void); |
Simon Kelley | 0a85254 | 2005-03-23 20:28:59 +0000 | [diff] [blame] | 1435 | #endif |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 1436 | |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1437 | /* bpf.c or netlink.c */ |
Simon Kelley | 28866e9 | 2011-02-14 20:19:14 +0000 | [diff] [blame] | 1438 | int iface_enumerate(int family, void *parm, int (callback)()); |
Simon Kelley | 824af85 | 2008-02-12 20:43:05 +0000 | [diff] [blame] | 1439 | |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 1440 | /* dbus.c */ |
| 1441 | #ifdef HAVE_DBUS |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1442 | char *dbus_init(void); |
Simon Kelley | b842bc9 | 2015-07-12 21:09:11 +0100 | [diff] [blame] | 1443 | void check_dbus_listeners(void); |
| 1444 | void set_dbus_listeners(void); |
Simon Kelley | 316e273 | 2010-01-22 20:16:09 +0000 | [diff] [blame] | 1445 | # ifdef HAVE_DHCP |
Simon Kelley | 1f15b81 | 2009-10-13 17:49:32 +0100 | [diff] [blame] | 1446 | void emit_dbus_signal(int action, struct dhcp_lease *lease, char *hostname); |
Simon Kelley | 316e273 | 2010-01-22 20:16:09 +0000 | [diff] [blame] | 1447 | # endif |
Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 1448 | #endif |
Simon Kelley | 1697269 | 2006-10-16 20:04:18 +0100 | [diff] [blame] | 1449 | |
Julian Kornberger | caf4d57 | 2018-07-21 21:45:03 +0100 | [diff] [blame] | 1450 | /* ubus.c */ |
| 1451 | #ifdef HAVE_UBUS |
| 1452 | void set_ubus_listeners(void); |
| 1453 | void check_ubus_listeners(void); |
| 1454 | void ubus_event_bcast(const char *type, const char *mac, const char *ip, const char *name, const char *interface); |
| 1455 | #endif |
| 1456 | |
Jason A. Donenfeld | 13d86c7 | 2013-02-22 18:20:53 +0000 | [diff] [blame] | 1457 | /* ipset.c */ |
| 1458 | #ifdef HAVE_IPSET |
| 1459 | void ipset_init(void); |
| 1460 | int add_to_ipset(const char *setname, const struct all_addr *ipaddr, int flags, int remove); |
| 1461 | #endif |
| 1462 | |
Simon Kelley | 1697269 | 2006-10-16 20:04:18 +0100 | [diff] [blame] | 1463 | /* helper.c */ |
Simon Kelley | 0068301 | 2012-03-19 20:29:55 +0000 | [diff] [blame] | 1464 | #if defined(HAVE_SCRIPT) |
Simon Kelley | 1a6bca8 | 2008-07-11 11:11:42 +0100 | [diff] [blame] | 1465 | int create_helper(int event_fd, int err_fd, uid_t uid, gid_t gid, long max_fd); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1466 | void helper_write(void); |
| 1467 | void queue_script(int action, struct dhcp_lease *lease, |
| 1468 | char *hostname, time_t now); |
Simon Kelley | a953096 | 2012-03-20 22:07:35 +0000 | [diff] [blame] | 1469 | #ifdef HAVE_TFTP |
| 1470 | void queue_tftp(off_t file_len, char *filename, union mysockaddr *peer); |
| 1471 | #endif |
Simon Kelley | 33702ab | 2015-12-28 23:17:15 +0000 | [diff] [blame] | 1472 | void queue_arp(int action, unsigned char *mac, int maclen, |
| 1473 | int family, struct all_addr *addr); |
Simon Kelley | 1697269 | 2006-10-16 20:04:18 +0100 | [diff] [blame] | 1474 | int helper_buf_empty(void); |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1475 | #endif |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 1476 | |
| 1477 | /* tftp.c */ |
| 1478 | #ifdef HAVE_TFTP |
Simon Kelley | 5aabfc7 | 2007-08-29 11:24:47 +0100 | [diff] [blame] | 1479 | void tftp_request(struct listener *listen, time_t now); |
Simon Kelley | b842bc9 | 2015-07-12 21:09:11 +0100 | [diff] [blame] | 1480 | void check_tftp_listeners(time_t now); |
Simon Kelley | a953096 | 2012-03-20 22:07:35 +0000 | [diff] [blame] | 1481 | int do_tftp_script_run(void); |
Simon Kelley | 832af0b | 2007-01-21 20:01:28 +0000 | [diff] [blame] | 1482 | #endif |
Simon Kelley | 7de060b | 2011-08-26 17:24:52 +0100 | [diff] [blame] | 1483 | |
| 1484 | /* conntrack.c */ |
| 1485 | #ifdef HAVE_CONNTRACK |
| 1486 | int get_incoming_mark(union mysockaddr *peer_addr, struct all_addr *local_addr, |
| 1487 | int istcp, unsigned int *markp); |
| 1488 | #endif |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1489 | |
Simon Kelley | 52b92f4 | 2012-01-22 16:05:15 +0000 | [diff] [blame] | 1490 | /* dhcp6.c */ |
| 1491 | #ifdef HAVE_DHCP6 |
| 1492 | void dhcp6_init(void); |
| 1493 | void dhcp6_packet(time_t now); |
Simon Kelley | 6586e83 | 2013-11-07 14:20:13 +0000 | [diff] [blame] | 1494 | struct dhcp_context *address6_allocate(struct dhcp_context *context, unsigned char *clid, int clid_len, int temp_addr, |
Simon Kelley | c630924 | 2013-03-07 20:59:28 +0000 | [diff] [blame] | 1495 | int iaid, int serial, struct dhcp_netid *netids, int plain_range, struct in6_addr *ans); |
Simon Kelley | de92b47 | 2013-03-15 18:25:10 +0000 | [diff] [blame] | 1496 | int config_valid(struct dhcp_config *config, struct dhcp_context *context, struct in6_addr *addr); |
Simon Kelley | 52b92f4 | 2012-01-22 16:05:15 +0000 | [diff] [blame] | 1497 | struct dhcp_context *address6_available(struct dhcp_context *context, |
| 1498 | struct in6_addr *taddr, |
Simon Kelley | c630924 | 2013-03-07 20:59:28 +0000 | [diff] [blame] | 1499 | struct dhcp_netid *netids, |
| 1500 | int plain_range); |
Simon Kelley | 37c9cce | 2013-01-09 19:51:04 +0000 | [diff] [blame] | 1501 | struct dhcp_context *address6_valid(struct dhcp_context *context, |
| 1502 | struct in6_addr *taddr, |
Simon Kelley | c630924 | 2013-03-07 20:59:28 +0000 | [diff] [blame] | 1503 | struct dhcp_netid *netids, |
| 1504 | int plain_range); |
Simon Kelley | ceae00d | 2012-02-09 21:28:14 +0000 | [diff] [blame] | 1505 | struct dhcp_config *config_find_by_address6(struct dhcp_config *configs, struct in6_addr *net, |
| 1506 | int prefix, u64 addr); |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 1507 | void make_duid(time_t now); |
Simon Kelley | 1f77693 | 2012-12-16 19:46:08 +0000 | [diff] [blame] | 1508 | void dhcp_construct_contexts(time_t now); |
Simon Kelley | 8939c95 | 2013-09-25 11:49:34 +0100 | [diff] [blame] | 1509 | void get_client_mac(struct in6_addr *client, int iface, unsigned char *mac, |
Simon Kelley | 33702ab | 2015-12-28 23:17:15 +0000 | [diff] [blame] | 1510 | unsigned int *maclenp, unsigned int *mactypep, time_t now); |
Simon Kelley | 52b92f4 | 2012-01-22 16:05:15 +0000 | [diff] [blame] | 1511 | #endif |
Simon Kelley | 8939c95 | 2013-09-25 11:49:34 +0100 | [diff] [blame] | 1512 | |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1513 | /* rfc3315.c */ |
| 1514 | #ifdef HAVE_DHCP6 |
Simon Kelley | 1d0f91c | 2012-03-12 11:56:22 +0000 | [diff] [blame] | 1515 | unsigned short dhcp6_reply(struct dhcp_context *context, int interface, char *iface_name, |
Simon Kelley | c3a0408 | 2014-01-11 22:18:19 +0000 | [diff] [blame] | 1516 | struct in6_addr *fallback, struct in6_addr *ll_addr, struct in6_addr *ula_addr, |
| 1517 | size_t sz, struct in6_addr *client_addr, time_t now); |
Simon Kelley | 33702ab | 2015-12-28 23:17:15 +0000 | [diff] [blame] | 1518 | void relay_upstream6(struct dhcp_relay *relay, ssize_t sz, struct in6_addr *peer_address, |
| 1519 | u32 scope_id, time_t now); |
Simon Kelley | ff7eea2 | 2013-09-04 18:01:38 +0100 | [diff] [blame] | 1520 | |
| 1521 | unsigned short relay_reply6( struct sockaddr_in6 *peer, ssize_t sz, char *arrival_interface); |
Simon Kelley | c72daea | 2012-01-05 21:33:27 +0000 | [diff] [blame] | 1522 | #endif |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 1523 | |
| 1524 | /* dhcp-common.c */ |
Simon Kelley | ceae00d | 2012-02-09 21:28:14 +0000 | [diff] [blame] | 1525 | #ifdef HAVE_DHCP |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 1526 | void dhcp_common_init(void); |
| 1527 | ssize_t recv_dhcp_packet(int fd, struct msghdr *msg); |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1528 | struct dhcp_netid *run_tag_if(struct dhcp_netid *tags); |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 1529 | struct dhcp_netid *option_filter(struct dhcp_netid *tags, struct dhcp_netid *context_tags, |
| 1530 | struct dhcp_opt *opts); |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1531 | int match_netid(struct dhcp_netid *check, struct dhcp_netid *pool, int tagnotneeded); |
Simon Kelley | 4cb1b32 | 2012-02-06 14:30:41 +0000 | [diff] [blame] | 1532 | char *strip_hostname(char *hostname); |
| 1533 | void log_tags(struct dhcp_netid *netid, u32 xid); |
Simon Kelley | 3634c54 | 2012-02-08 14:22:37 +0000 | [diff] [blame] | 1534 | int match_bytes(struct dhcp_opt *o, unsigned char *p, int len); |
Simon Kelley | ceae00d | 2012-02-09 21:28:14 +0000 | [diff] [blame] | 1535 | void dhcp_update_configs(struct dhcp_config *configs); |
Simon Kelley | 40ef23b | 2012-03-13 21:59:28 +0000 | [diff] [blame] | 1536 | void display_opts(void); |
Simon Kelley | bd08ae6 | 2013-04-19 10:22:06 +0100 | [diff] [blame] | 1537 | int lookup_dhcp_opt(int prot, char *name); |
| 1538 | int lookup_dhcp_len(int prot, int val); |
Simon Kelley | 40ef23b | 2012-03-13 21:59:28 +0000 | [diff] [blame] | 1539 | char *option_string(int prot, unsigned int opt, unsigned char *val, |
| 1540 | int opt_len, char *buf, int buf_len); |
Simon Kelley | 89500e3 | 2013-09-20 16:29:20 +0100 | [diff] [blame] | 1541 | struct dhcp_config *find_config(struct dhcp_config *configs, |
| 1542 | struct dhcp_context *context, |
| 1543 | unsigned char *clid, int clid_len, |
| 1544 | unsigned char *hwaddr, int hw_len, |
| 1545 | int hw_type, char *hostname); |
| 1546 | int config_has_mac(struct dhcp_config *config, unsigned char *hwaddr, int len, int type); |
Simon Kelley | 9380ba7 | 2012-04-16 14:41:56 +0100 | [diff] [blame] | 1547 | #ifdef HAVE_LINUX_NETWORK |
Simon Kelley | 3b3f441 | 2013-10-11 16:33:28 +0100 | [diff] [blame] | 1548 | char *whichdevice(void); |
| 1549 | void bindtodevice(char *device, int fd); |
Simon Kelley | 9380ba7 | 2012-04-16 14:41:56 +0100 | [diff] [blame] | 1550 | #endif |
Simon Kelley | 843c96b | 2012-02-27 17:42:38 +0000 | [diff] [blame] | 1551 | # ifdef HAVE_DHCP6 |
Simon Kelley | 40ef23b | 2012-03-13 21:59:28 +0000 | [diff] [blame] | 1552 | void display_opts6(void); |
Simon Kelley | 843c96b | 2012-02-27 17:42:38 +0000 | [diff] [blame] | 1553 | # endif |
Simon Kelley | 1f77693 | 2012-12-16 19:46:08 +0000 | [diff] [blame] | 1554 | void log_context(int family, struct dhcp_context *context); |
Simon Kelley | ff7eea2 | 2013-09-04 18:01:38 +0100 | [diff] [blame] | 1555 | void log_relay(int family, struct dhcp_relay *relay); |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1556 | #endif |
Simon Kelley | c5ad4e7 | 2012-02-24 16:06:20 +0000 | [diff] [blame] | 1557 | |
| 1558 | /* outpacket.c */ |
| 1559 | #ifdef HAVE_DHCP6 |
| 1560 | void end_opt6(int container); |
Simon Kelley | fa78573 | 2016-07-22 20:56:01 +0100 | [diff] [blame] | 1561 | void reset_counter(void); |
Simon Kelley | c5ad4e7 | 2012-02-24 16:06:20 +0000 | [diff] [blame] | 1562 | int save_counter(int newval); |
| 1563 | void *expand(size_t headroom); |
| 1564 | int new_opt6(int opt); |
| 1565 | void *put_opt6(void *data, size_t len); |
| 1566 | void put_opt6_long(unsigned int val); |
| 1567 | void put_opt6_short(unsigned int val); |
| 1568 | void put_opt6_char(unsigned int val); |
| 1569 | void put_opt6_string(char *s); |
| 1570 | #endif |
| 1571 | |
| 1572 | /* radv.c */ |
| 1573 | #ifdef HAVE_DHCP6 |
| 1574 | void ra_init(time_t now); |
Simon Kelley | 1f77693 | 2012-12-16 19:46:08 +0000 | [diff] [blame] | 1575 | void icmp6_packet(time_t now); |
Simon Kelley | c5ad4e7 | 2012-02-24 16:06:20 +0000 | [diff] [blame] | 1576 | time_t periodic_ra(time_t now); |
Josh Soref | 730c674 | 2017-02-06 16:14:04 +0000 | [diff] [blame] | 1577 | void ra_start_unsolicited(time_t now, struct dhcp_context *context); |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 1578 | #endif |
| 1579 | |
| 1580 | /* slaac.c */ |
| 1581 | #ifdef HAVE_DHCP6 |
Simon Kelley | a9ab732 | 2012-04-28 11:29:37 +0100 | [diff] [blame] | 1582 | void slaac_add_addrs(struct dhcp_lease *lease, time_t now, int force); |
Simon Kelley | 353ae4d | 2012-03-19 20:07:51 +0000 | [diff] [blame] | 1583 | time_t periodic_slaac(time_t now, struct dhcp_lease *leases); |
| 1584 | void slaac_ping_reply(struct in6_addr *sender, unsigned char *packet, char *interface, struct dhcp_lease *leases); |
Simon Kelley | c5ad4e7 | 2012-02-24 16:06:20 +0000 | [diff] [blame] | 1585 | #endif |
Simon Kelley | b5ea1cc | 2014-07-29 16:34:14 +0100 | [diff] [blame] | 1586 | |
| 1587 | /* loop.c */ |
| 1588 | #ifdef HAVE_LOOP |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1589 | void loop_send_probes(void); |
Simon Kelley | b5ea1cc | 2014-07-29 16:34:14 +0100 | [diff] [blame] | 1590 | int detect_loop(char *query, int type); |
| 1591 | #endif |
| 1592 | |
Simon Kelley | 193de4a | 2014-12-10 17:32:16 +0000 | [diff] [blame] | 1593 | /* inotify.c */ |
Simon Kelley | 0491805 | 2015-01-26 11:23:43 +0000 | [diff] [blame] | 1594 | #ifdef HAVE_INOTIFY |
Rosen Penev | 50a2841 | 2017-06-27 22:27:02 +0100 | [diff] [blame] | 1595 | void inotify_dnsmasq_init(void); |
Simon Kelley | 5f4dc5c | 2015-01-20 20:51:02 +0000 | [diff] [blame] | 1596 | int inotify_check(time_t now); |
Simon Kelley | 70d1873 | 2015-01-31 19:59:29 +0000 | [diff] [blame] | 1597 | void set_dynamic_inotify(int flag, int total_size, struct crec **rhash, int revhashsz); |
Simon Kelley | 193de4a | 2014-12-10 17:32:16 +0000 | [diff] [blame] | 1598 | #endif |
Simon Kelley | b842bc9 | 2015-07-12 21:09:11 +0100 | [diff] [blame] | 1599 | |
| 1600 | /* poll.c */ |
| 1601 | void poll_reset(void); |
| 1602 | int poll_check(int fd, short event); |
| 1603 | void poll_listen(int fd, short event); |
| 1604 | int do_poll(int timeout); |
| 1605 | |
Simon Kelley | c2bcd1e | 2015-12-15 17:25:21 +0000 | [diff] [blame] | 1606 | /* rrfilter.c */ |
| 1607 | size_t rrfilter(struct dns_header *header, size_t plen, int mode); |
| 1608 | u16 *rrfilter_desc(int type); |
| 1609 | int expand_workspace(unsigned char ***wkspc, int *szp, int new); |
| 1610 | |
Simon Kelley | 1d03016 | 2015-12-21 14:17:06 +0000 | [diff] [blame] | 1611 | /* edns0.c */ |
Simon Kelley | 5bb88f0 | 2015-12-21 16:23:47 +0000 | [diff] [blame] | 1612 | unsigned char *find_pseudoheader(struct dns_header *header, size_t plen, |
| 1613 | size_t *len, unsigned char **p, int *is_sign, int *is_last); |
Simon Kelley | 1d03016 | 2015-12-21 14:17:06 +0000 | [diff] [blame] | 1614 | size_t add_pseudoheader(struct dns_header *header, size_t plen, unsigned char *limit, |
Simon Kelley | c7f3bd2 | 2016-02-28 21:48:34 +0000 | [diff] [blame] | 1615 | unsigned short udp_sz, int optno, unsigned char *opt, size_t optlen, int set_do, int replace); |
Simon Kelley | 33702ab | 2015-12-28 23:17:15 +0000 | [diff] [blame] | 1616 | size_t add_do_bit(struct dns_header *header, size_t plen, unsigned char *limit); |
| 1617 | size_t add_edns0_config(struct dns_header *header, size_t plen, unsigned char *limit, |
| 1618 | union mysockaddr *source, time_t now, int *check_subnet); |
Simon Kelley | 1d03016 | 2015-12-21 14:17:06 +0000 | [diff] [blame] | 1619 | int check_source(struct dns_header *header, size_t plen, unsigned char *pseudoheader, union mysockaddr *peer); |
Simon Kelley | 11867dc | 2015-12-23 16:15:58 +0000 | [diff] [blame] | 1620 | |
| 1621 | /* arp.c */ |
Simon Kelley | 33702ab | 2015-12-28 23:17:15 +0000 | [diff] [blame] | 1622 | int find_mac(union mysockaddr *addr, unsigned char *mac, int lazy, time_t now); |
| 1623 | int do_arp_script_run(void); |
Simon Kelley | 6b17335 | 2018-05-08 18:32:14 +0100 | [diff] [blame] | 1624 | |
| 1625 | /* dump.c */ |
| 1626 | #ifdef HAVE_DUMPFILE |
| 1627 | void dump_init(void); |
| 1628 | void dump_packet(int mask, void *packet, size_t len, union mysockaddr *src, union mysockaddr *dst); |
| 1629 | #endif |