Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libxt_conntrack |
| 3 | * Shared library add-on to iptables for conntrack matching support. |
| 4 | * |
| 5 | * GPL (C) 2001 Marc Boucher (marc@mbsi.ca). |
| 6 | * Copyright © CC Computer Consultants GmbH, 2007 - 2008 |
| 7 | * Jan Engelhardt <jengelh@computergmbh.de> |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 8 | */ |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 9 | #include <sys/socket.h> |
| 10 | #include <sys/types.h> |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 11 | #include <ctype.h> |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 12 | #include <getopt.h> |
| 13 | #include <netdb.h> |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 14 | #include <stdbool.h> |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 15 | #include <stddef.h> |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 16 | #include <stdio.h> |
| 17 | #include <stdlib.h> |
| 18 | #include <string.h> |
Jan Engelhardt | 08b1616 | 2008-01-20 13:36:08 +0000 | [diff] [blame] | 19 | #include <xtables.h> |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 20 | #include <linux/netfilter.h> |
| 21 | #include <linux/netfilter/xt_conntrack.h> |
Patrick McHardy | 40d5475 | 2007-04-18 07:00:36 +0000 | [diff] [blame] | 22 | #include <linux/netfilter/nf_conntrack_common.h> |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 23 | #include <arpa/inet.h> |
Harald Welte | 4dc734c | 2003-10-07 18:55:13 +0000 | [diff] [blame] | 24 | |
Jan Engelhardt | 350661a | 2010-01-31 22:42:52 +0100 | [diff] [blame] | 25 | struct ip_conntrack_old_tuple { |
| 26 | struct { |
| 27 | __be32 ip; |
| 28 | union { |
| 29 | __u16 all; |
| 30 | } u; |
| 31 | } src; |
| 32 | |
| 33 | struct { |
| 34 | __be32 ip; |
| 35 | union { |
| 36 | __u16 all; |
| 37 | } u; |
| 38 | |
| 39 | /* The protocol. */ |
| 40 | __u16 protonum; |
| 41 | } dst; |
| 42 | }; |
| 43 | |
| 44 | struct xt_conntrack_info { |
| 45 | unsigned int statemask, statusmask; |
| 46 | |
| 47 | struct ip_conntrack_old_tuple tuple[IP_CT_DIR_MAX]; |
| 48 | struct in_addr sipmsk[IP_CT_DIR_MAX], dipmsk[IP_CT_DIR_MAX]; |
| 49 | |
| 50 | unsigned long expires_min, expires_max; |
| 51 | |
| 52 | /* Flags word */ |
Jan Engelhardt | 7ac4052 | 2011-01-07 12:34:04 +0100 | [diff] [blame] | 53 | uint8_t flags; |
Jan Engelhardt | 350661a | 2010-01-31 22:42:52 +0100 | [diff] [blame] | 54 | /* Inverse flags */ |
Jan Engelhardt | 7ac4052 | 2011-01-07 12:34:04 +0100 | [diff] [blame] | 55 | uint8_t invflags; |
Jan Engelhardt | 350661a | 2010-01-31 22:42:52 +0100 | [diff] [blame] | 56 | }; |
| 57 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 58 | static void conntrack_mt_help(void) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 59 | { |
| 60 | printf( |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 61 | "conntrack match options:\n" |
| 62 | "[!] --ctstate {INVALID|ESTABLISHED|NEW|RELATED|UNTRACKED|SNAT|DNAT}[,...]\n" |
| 63 | " State(s) to match\n" |
| 64 | "[!] --ctproto proto Protocol to match; by number or name, e.g. \"tcp\"\n" |
| 65 | "[!] --ctorigsrc address[/mask]\n" |
| 66 | "[!] --ctorigdst address[/mask]\n" |
| 67 | "[!] --ctreplsrc address[/mask]\n" |
| 68 | "[!] --ctrepldst address[/mask]\n" |
| 69 | " Original/Reply source/destination address\n" |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 70 | "[!] --ctorigsrcport port\n" |
| 71 | "[!] --ctorigdstport port\n" |
| 72 | "[!] --ctreplsrcport port\n" |
| 73 | "[!] --ctrepldstport port\n" |
| 74 | " TCP/UDP/SCTP orig./reply source/destination port\n" |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 75 | "[!] --ctstatus {NONE|EXPECTED|SEEN_REPLY|ASSURED|CONFIRMED}[,...]\n" |
| 76 | " Status(es) to match\n" |
| 77 | "[!] --ctexpire time[:time] Match remaining lifetime in seconds against\n" |
| 78 | " value or range of values (inclusive)\n" |
Jan Engelhardt | 8b7c64d | 2008-04-15 11:48:25 +0200 | [diff] [blame] | 79 | " --ctdir {ORIGINAL|REPLY} Flow direction of packet\n"); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 80 | } |
| 81 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 82 | static const struct option conntrack_mt_opts_v0[] = { |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 83 | {.name = "ctstate", .has_arg = true, .val = '1'}, |
| 84 | {.name = "ctproto", .has_arg = true, .val = '2'}, |
| 85 | {.name = "ctorigsrc", .has_arg = true, .val = '3'}, |
| 86 | {.name = "ctorigdst", .has_arg = true, .val = '4'}, |
| 87 | {.name = "ctreplsrc", .has_arg = true, .val = '5'}, |
| 88 | {.name = "ctrepldst", .has_arg = true, .val = '6'}, |
| 89 | {.name = "ctstatus", .has_arg = true, .val = '7'}, |
| 90 | {.name = "ctexpire", .has_arg = true, .val = '8'}, |
Jan Engelhardt | 32b8e61 | 2010-07-23 21:16:14 +0200 | [diff] [blame] | 91 | XT_GETOPT_TABLEEND, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 92 | }; |
| 93 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 94 | static const struct option conntrack_mt_opts[] = { |
| 95 | {.name = "ctstate", .has_arg = true, .val = '1'}, |
| 96 | {.name = "ctproto", .has_arg = true, .val = '2'}, |
| 97 | {.name = "ctorigsrc", .has_arg = true, .val = '3'}, |
| 98 | {.name = "ctorigdst", .has_arg = true, .val = '4'}, |
| 99 | {.name = "ctreplsrc", .has_arg = true, .val = '5'}, |
| 100 | {.name = "ctrepldst", .has_arg = true, .val = '6'}, |
| 101 | {.name = "ctstatus", .has_arg = true, .val = '7'}, |
| 102 | {.name = "ctexpire", .has_arg = true, .val = '8'}, |
| 103 | {.name = "ctorigsrcport", .has_arg = true, .val = 'a'}, |
| 104 | {.name = "ctorigdstport", .has_arg = true, .val = 'b'}, |
| 105 | {.name = "ctreplsrcport", .has_arg = true, .val = 'c'}, |
| 106 | {.name = "ctrepldstport", .has_arg = true, .val = 'd'}, |
| 107 | {.name = "ctdir", .has_arg = true, .val = 'e'}, |
Max Kellermann | 9ee386a | 2008-01-29 13:48:05 +0000 | [diff] [blame] | 108 | {.name = NULL}, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 109 | }; |
| 110 | |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 111 | static int |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 112 | parse_state(const char *state, size_t len, struct xt_conntrack_info *sinfo) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 113 | { |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 114 | if (strncasecmp(state, "INVALID", len) == 0) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 115 | sinfo->statemask |= XT_CONNTRACK_STATE_INVALID; |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 116 | else if (strncasecmp(state, "NEW", len) == 0) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 117 | sinfo->statemask |= XT_CONNTRACK_STATE_BIT(IP_CT_NEW); |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 118 | else if (strncasecmp(state, "ESTABLISHED", len) == 0) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 119 | sinfo->statemask |= XT_CONNTRACK_STATE_BIT(IP_CT_ESTABLISHED); |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 120 | else if (strncasecmp(state, "RELATED", len) == 0) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 121 | sinfo->statemask |= XT_CONNTRACK_STATE_BIT(IP_CT_RELATED); |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 122 | else if (strncasecmp(state, "UNTRACKED", len) == 0) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 123 | sinfo->statemask |= XT_CONNTRACK_STATE_UNTRACKED; |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 124 | else if (strncasecmp(state, "SNAT", len) == 0) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 125 | sinfo->statemask |= XT_CONNTRACK_STATE_SNAT; |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 126 | else if (strncasecmp(state, "DNAT", len) == 0) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 127 | sinfo->statemask |= XT_CONNTRACK_STATE_DNAT; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 128 | else |
| 129 | return 0; |
| 130 | return 1; |
| 131 | } |
| 132 | |
| 133 | static void |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 134 | parse_states(const char *arg, struct xt_conntrack_info *sinfo) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 135 | { |
| 136 | const char *comma; |
| 137 | |
| 138 | while ((comma = strchr(arg, ',')) != NULL) { |
| 139 | if (comma == arg || !parse_state(arg, comma-arg, sinfo)) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 140 | xtables_error(PARAMETER_PROBLEM, "Bad ctstate \"%s\"", arg); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 141 | arg = comma+1; |
| 142 | } |
Pablo Neira Ayuso | 0ec8c0f | 2008-11-19 19:01:26 +0100 | [diff] [blame] | 143 | if (!*arg) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 144 | xtables_error(PARAMETER_PROBLEM, "\"--ctstate\" requires a list of " |
Pablo Neira Ayuso | 0ec8c0f | 2008-11-19 19:01:26 +0100 | [diff] [blame] | 145 | "states with no spaces, e.g. " |
| 146 | "ESTABLISHED,RELATED"); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 147 | if (strlen(arg) == 0 || !parse_state(arg, strlen(arg), sinfo)) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 148 | xtables_error(PARAMETER_PROBLEM, "Bad ctstate \"%s\"", arg); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 149 | } |
| 150 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 151 | static bool |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 152 | conntrack_ps_state(struct xt_conntrack_mtinfo3 *info, const char *state, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 153 | size_t z) |
| 154 | { |
| 155 | if (strncasecmp(state, "INVALID", z) == 0) |
| 156 | info->state_mask |= XT_CONNTRACK_STATE_INVALID; |
| 157 | else if (strncasecmp(state, "NEW", z) == 0) |
| 158 | info->state_mask |= XT_CONNTRACK_STATE_BIT(IP_CT_NEW); |
| 159 | else if (strncasecmp(state, "ESTABLISHED", z) == 0) |
| 160 | info->state_mask |= XT_CONNTRACK_STATE_BIT(IP_CT_ESTABLISHED); |
| 161 | else if (strncasecmp(state, "RELATED", z) == 0) |
| 162 | info->state_mask |= XT_CONNTRACK_STATE_BIT(IP_CT_RELATED); |
| 163 | else if (strncasecmp(state, "UNTRACKED", z) == 0) |
| 164 | info->state_mask |= XT_CONNTRACK_STATE_UNTRACKED; |
| 165 | else if (strncasecmp(state, "SNAT", z) == 0) |
| 166 | info->state_mask |= XT_CONNTRACK_STATE_SNAT; |
| 167 | else if (strncasecmp(state, "DNAT", z) == 0) |
| 168 | info->state_mask |= XT_CONNTRACK_STATE_DNAT; |
| 169 | else |
| 170 | return false; |
| 171 | return true; |
| 172 | } |
| 173 | |
| 174 | static void |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 175 | conntrack_ps_states(struct xt_conntrack_mtinfo3 *info, const char *arg) |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 176 | { |
| 177 | const char *comma; |
| 178 | |
| 179 | while ((comma = strchr(arg, ',')) != NULL) { |
| 180 | if (comma == arg || !conntrack_ps_state(info, arg, comma - arg)) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 181 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 182 | "Bad ctstate \"%s\"", arg); |
| 183 | arg = comma + 1; |
| 184 | } |
| 185 | |
| 186 | if (strlen(arg) == 0 || !conntrack_ps_state(info, arg, strlen(arg))) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 187 | xtables_error(PARAMETER_PROBLEM, "Bad ctstate \"%s\"", arg); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 188 | } |
| 189 | |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 190 | static int |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 191 | parse_status(const char *status, size_t len, struct xt_conntrack_info *sinfo) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 192 | { |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 193 | if (strncasecmp(status, "NONE", len) == 0) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 194 | sinfo->statusmask |= 0; |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 195 | else if (strncasecmp(status, "EXPECTED", len) == 0) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 196 | sinfo->statusmask |= IPS_EXPECTED; |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 197 | else if (strncasecmp(status, "SEEN_REPLY", len) == 0) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 198 | sinfo->statusmask |= IPS_SEEN_REPLY; |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 199 | else if (strncasecmp(status, "ASSURED", len) == 0) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 200 | sinfo->statusmask |= IPS_ASSURED; |
Harald Welte | a643c3e | 2003-08-25 11:08:52 +0000 | [diff] [blame] | 201 | #ifdef IPS_CONFIRMED |
Jan Engelhardt | dbb7754 | 2008-02-11 00:33:30 +0100 | [diff] [blame] | 202 | else if (strncasecmp(status, "CONFIRMED", len) == 0) |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 203 | sinfo->statusmask |= IPS_CONFIRMED; |
Harald Welte | a643c3e | 2003-08-25 11:08:52 +0000 | [diff] [blame] | 204 | #endif |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 205 | else |
| 206 | return 0; |
| 207 | return 1; |
| 208 | } |
| 209 | |
| 210 | static void |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 211 | parse_statuses(const char *arg, struct xt_conntrack_info *sinfo) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 212 | { |
| 213 | const char *comma; |
| 214 | |
| 215 | while ((comma = strchr(arg, ',')) != NULL) { |
| 216 | if (comma == arg || !parse_status(arg, comma-arg, sinfo)) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 217 | xtables_error(PARAMETER_PROBLEM, "Bad ctstatus \"%s\"", arg); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 218 | arg = comma+1; |
| 219 | } |
| 220 | |
| 221 | if (strlen(arg) == 0 || !parse_status(arg, strlen(arg), sinfo)) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 222 | xtables_error(PARAMETER_PROBLEM, "Bad ctstatus \"%s\"", arg); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 223 | } |
| 224 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 225 | static bool |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 226 | conntrack_ps_status(struct xt_conntrack_mtinfo3 *info, const char *status, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 227 | size_t z) |
| 228 | { |
| 229 | if (strncasecmp(status, "NONE", z) == 0) |
| 230 | info->status_mask |= 0; |
| 231 | else if (strncasecmp(status, "EXPECTED", z) == 0) |
| 232 | info->status_mask |= IPS_EXPECTED; |
| 233 | else if (strncasecmp(status, "SEEN_REPLY", z) == 0) |
| 234 | info->status_mask |= IPS_SEEN_REPLY; |
| 235 | else if (strncasecmp(status, "ASSURED", z) == 0) |
| 236 | info->status_mask |= IPS_ASSURED; |
| 237 | else if (strncasecmp(status, "CONFIRMED", z) == 0) |
| 238 | info->status_mask |= IPS_CONFIRMED; |
| 239 | else |
| 240 | return false; |
| 241 | return true; |
| 242 | } |
| 243 | |
| 244 | static void |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 245 | conntrack_ps_statuses(struct xt_conntrack_mtinfo3 *info, const char *arg) |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 246 | { |
| 247 | const char *comma; |
| 248 | |
| 249 | while ((comma = strchr(arg, ',')) != NULL) { |
| 250 | if (comma == arg || !conntrack_ps_status(info, arg, comma - arg)) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 251 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 252 | "Bad ctstatus \"%s\"", arg); |
| 253 | arg = comma + 1; |
| 254 | } |
| 255 | |
| 256 | if (strlen(arg) == 0 || !conntrack_ps_status(info, arg, strlen(arg))) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 257 | xtables_error(PARAMETER_PROBLEM, "Bad ctstatus \"%s\"", arg); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 258 | } |
| 259 | |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 260 | static unsigned long |
| 261 | parse_expire(const char *s) |
| 262 | { |
| 263 | unsigned int len; |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 264 | |
Jan Engelhardt | 5f2922c | 2009-01-27 18:43:01 +0100 | [diff] [blame] | 265 | if (!xtables_strtoui(s, NULL, &len, 0, UINT32_MAX)) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 266 | xtables_error(PARAMETER_PROBLEM, "expire value invalid: \"%s\"\n", s); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 267 | else |
| 268 | return len; |
| 269 | } |
| 270 | |
| 271 | /* If a single value is provided, min and max are both set to the value */ |
| 272 | static void |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 273 | parse_expires(const char *s, struct xt_conntrack_info *sinfo) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 274 | { |
| 275 | char *buffer; |
| 276 | char *cp; |
| 277 | |
| 278 | buffer = strdup(s); |
| 279 | if ((cp = strchr(buffer, ':')) == NULL) |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 280 | sinfo->expires_min = sinfo->expires_max = |
| 281 | parse_expire(buffer); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 282 | else { |
| 283 | *cp = '\0'; |
| 284 | cp++; |
| 285 | |
| 286 | sinfo->expires_min = buffer[0] ? parse_expire(buffer) : 0; |
Max Kellermann | 9ee386a | 2008-01-29 13:48:05 +0000 | [diff] [blame] | 287 | sinfo->expires_max = cp[0] |
| 288 | ? parse_expire(cp) |
| 289 | : (unsigned long)-1; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 290 | } |
| 291 | free(buffer); |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 292 | |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 293 | if (sinfo->expires_min > sinfo->expires_max) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 294 | xtables_error(PARAMETER_PROBLEM, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 295 | "expire min. range value `%lu' greater than max. " |
| 296 | "range value `%lu'", sinfo->expires_min, sinfo->expires_max); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 297 | } |
| 298 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 299 | static void |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 300 | conntrack_ps_expires(struct xt_conntrack_mtinfo3 *info, const char *s) |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 301 | { |
| 302 | unsigned int min, max; |
| 303 | char *end; |
| 304 | |
Jan Engelhardt | 5f2922c | 2009-01-27 18:43:01 +0100 | [diff] [blame] | 305 | if (!xtables_strtoui(s, &end, &min, 0, UINT32_MAX)) |
Jan Engelhardt | a41545c | 2009-01-27 21:27:19 +0100 | [diff] [blame] | 306 | xtables_param_act(XTF_BAD_VALUE, "conntrack", "--expires", s); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 307 | max = min; |
| 308 | if (*end == ':') |
Patrick McHardy | f294f84 | 2009-11-20 14:58:11 +0100 | [diff] [blame] | 309 | if (!xtables_strtoui(end + 1, &end, &max, 0, UINT32_MAX)) |
Jan Engelhardt | a41545c | 2009-01-27 21:27:19 +0100 | [diff] [blame] | 310 | xtables_param_act(XTF_BAD_VALUE, "conntrack", "--expires", s); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 311 | if (*end != '\0') |
Jan Engelhardt | a41545c | 2009-01-27 21:27:19 +0100 | [diff] [blame] | 312 | xtables_param_act(XTF_BAD_VALUE, "conntrack", "--expires", s); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 313 | |
| 314 | if (min > max) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 315 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 316 | "expire min. range value \"%u\" greater than max. " |
| 317 | "range value \"%u\"", min, max); |
| 318 | |
| 319 | info->expires_min = min; |
| 320 | info->expires_max = max; |
| 321 | } |
| 322 | |
Jan Engelhardt | 59d1640 | 2007-10-04 16:28:39 +0000 | [diff] [blame] | 323 | static int conntrack_parse(int c, char **argv, int invert, unsigned int *flags, |
| 324 | const void *entry, struct xt_entry_match **match) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 325 | { |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 326 | struct xt_conntrack_info *sinfo = (void *)(*match)->data; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 327 | char *protocol = NULL; |
| 328 | unsigned int naddrs = 0; |
| 329 | struct in_addr *addrs = NULL; |
| 330 | |
| 331 | |
| 332 | switch (c) { |
| 333 | case '1': |
Jan Engelhardt | bf97128 | 2009-11-03 19:55:11 +0100 | [diff] [blame] | 334 | xtables_check_inverse(optarg, &invert, &optind, 0, argv); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 335 | |
Jan Engelhardt | bbe8386 | 2009-10-24 00:45:33 +0200 | [diff] [blame] | 336 | parse_states(optarg, sinfo); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 337 | if (invert) { |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 338 | sinfo->invflags |= XT_CONNTRACK_STATE; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 339 | } |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 340 | sinfo->flags |= XT_CONNTRACK_STATE; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 341 | break; |
| 342 | |
| 343 | case '2': |
Jan Engelhardt | bf97128 | 2009-11-03 19:55:11 +0100 | [diff] [blame] | 344 | xtables_check_inverse(optarg, &invert, &optind, 0, argv); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 345 | |
| 346 | if(invert) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 347 | sinfo->invflags |= XT_CONNTRACK_PROTO; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 348 | |
| 349 | /* Canonicalize into lower case */ |
Jan Engelhardt | bbe8386 | 2009-10-24 00:45:33 +0200 | [diff] [blame] | 350 | for (protocol = optarg; *protocol; protocol++) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 351 | *protocol = tolower(*protocol); |
| 352 | |
Jan Engelhardt | bbe8386 | 2009-10-24 00:45:33 +0200 | [diff] [blame] | 353 | protocol = optarg; |
Jan Engelhardt | 1de7edf | 2009-01-30 05:38:11 +0100 | [diff] [blame] | 354 | sinfo->tuple[IP_CT_DIR_ORIGINAL].dst.protonum = |
| 355 | xtables_parse_protocol(protocol); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 356 | |
| 357 | if (sinfo->tuple[IP_CT_DIR_ORIGINAL].dst.protonum == 0 |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 358 | && (sinfo->invflags & XT_INV_PROTO)) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 359 | xtables_error(PARAMETER_PROBLEM, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 360 | "rule would never match protocol"); |
| 361 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 362 | sinfo->flags |= XT_CONNTRACK_PROTO; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 363 | break; |
| 364 | |
| 365 | case '3': |
Jan Engelhardt | bf97128 | 2009-11-03 19:55:11 +0100 | [diff] [blame] | 366 | xtables_check_inverse(optarg, &invert, &optind, 0, argv); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 367 | |
| 368 | if (invert) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 369 | sinfo->invflags |= XT_CONNTRACK_ORIGSRC; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 370 | |
Jan Engelhardt | bbe8386 | 2009-10-24 00:45:33 +0200 | [diff] [blame] | 371 | xtables_ipparse_any(optarg, &addrs, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 372 | &sinfo->sipmsk[IP_CT_DIR_ORIGINAL], |
| 373 | &naddrs); |
| 374 | if(naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 375 | xtables_error(PARAMETER_PROBLEM, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 376 | "multiple IP addresses not allowed"); |
| 377 | |
| 378 | if(naddrs == 1) { |
| 379 | sinfo->tuple[IP_CT_DIR_ORIGINAL].src.ip = addrs[0].s_addr; |
| 380 | } |
| 381 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 382 | sinfo->flags |= XT_CONNTRACK_ORIGSRC; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 383 | break; |
| 384 | |
| 385 | case '4': |
Jan Engelhardt | bf97128 | 2009-11-03 19:55:11 +0100 | [diff] [blame] | 386 | xtables_check_inverse(optarg, &invert, &optind, 0, argv); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 387 | |
| 388 | if (invert) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 389 | sinfo->invflags |= XT_CONNTRACK_ORIGDST; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 390 | |
Jan Engelhardt | bbe8386 | 2009-10-24 00:45:33 +0200 | [diff] [blame] | 391 | xtables_ipparse_any(optarg, &addrs, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 392 | &sinfo->dipmsk[IP_CT_DIR_ORIGINAL], |
| 393 | &naddrs); |
| 394 | if(naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 395 | xtables_error(PARAMETER_PROBLEM, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 396 | "multiple IP addresses not allowed"); |
| 397 | |
| 398 | if(naddrs == 1) { |
| 399 | sinfo->tuple[IP_CT_DIR_ORIGINAL].dst.ip = addrs[0].s_addr; |
| 400 | } |
| 401 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 402 | sinfo->flags |= XT_CONNTRACK_ORIGDST; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 403 | break; |
| 404 | |
| 405 | case '5': |
Jan Engelhardt | bf97128 | 2009-11-03 19:55:11 +0100 | [diff] [blame] | 406 | xtables_check_inverse(optarg, &invert, &optind, 0, argv); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 407 | |
| 408 | if (invert) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 409 | sinfo->invflags |= XT_CONNTRACK_REPLSRC; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 410 | |
Jan Engelhardt | bbe8386 | 2009-10-24 00:45:33 +0200 | [diff] [blame] | 411 | xtables_ipparse_any(optarg, &addrs, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 412 | &sinfo->sipmsk[IP_CT_DIR_REPLY], |
| 413 | &naddrs); |
| 414 | if(naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 415 | xtables_error(PARAMETER_PROBLEM, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 416 | "multiple IP addresses not allowed"); |
| 417 | |
| 418 | if(naddrs == 1) { |
| 419 | sinfo->tuple[IP_CT_DIR_REPLY].src.ip = addrs[0].s_addr; |
| 420 | } |
| 421 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 422 | sinfo->flags |= XT_CONNTRACK_REPLSRC; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 423 | break; |
| 424 | |
| 425 | case '6': |
Jan Engelhardt | bf97128 | 2009-11-03 19:55:11 +0100 | [diff] [blame] | 426 | xtables_check_inverse(optarg, &invert, &optind, 0, argv); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 427 | |
| 428 | if (invert) |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 429 | sinfo->invflags |= XT_CONNTRACK_REPLDST; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 430 | |
Jan Engelhardt | bbe8386 | 2009-10-24 00:45:33 +0200 | [diff] [blame] | 431 | xtables_ipparse_any(optarg, &addrs, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 432 | &sinfo->dipmsk[IP_CT_DIR_REPLY], |
| 433 | &naddrs); |
| 434 | if(naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 435 | xtables_error(PARAMETER_PROBLEM, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 436 | "multiple IP addresses not allowed"); |
| 437 | |
| 438 | if(naddrs == 1) { |
| 439 | sinfo->tuple[IP_CT_DIR_REPLY].dst.ip = addrs[0].s_addr; |
| 440 | } |
| 441 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 442 | sinfo->flags |= XT_CONNTRACK_REPLDST; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 443 | break; |
| 444 | |
| 445 | case '7': |
Jan Engelhardt | bf97128 | 2009-11-03 19:55:11 +0100 | [diff] [blame] | 446 | xtables_check_inverse(optarg, &invert, &optind, 0, argv); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 447 | |
Jan Engelhardt | bbe8386 | 2009-10-24 00:45:33 +0200 | [diff] [blame] | 448 | parse_statuses(optarg, sinfo); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 449 | if (invert) { |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 450 | sinfo->invflags |= XT_CONNTRACK_STATUS; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 451 | } |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 452 | sinfo->flags |= XT_CONNTRACK_STATUS; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 453 | break; |
| 454 | |
| 455 | case '8': |
Jan Engelhardt | bf97128 | 2009-11-03 19:55:11 +0100 | [diff] [blame] | 456 | xtables_check_inverse(optarg, &invert, &optind, 0, argv); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 457 | |
Jan Engelhardt | bbe8386 | 2009-10-24 00:45:33 +0200 | [diff] [blame] | 458 | parse_expires(optarg, sinfo); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 459 | if (invert) { |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 460 | sinfo->invflags |= XT_CONNTRACK_EXPIRES; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 461 | } |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 462 | sinfo->flags |= XT_CONNTRACK_EXPIRES; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 463 | break; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 464 | } |
| 465 | |
| 466 | *flags = sinfo->flags; |
| 467 | return 1; |
| 468 | } |
| 469 | |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 470 | static void |
| 471 | ct_parse_ports(const char *param, const char *str, |
| 472 | u_int16_t *port_low, u_int16_t *port_high) |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 473 | { |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 474 | unsigned int port; |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 475 | char *buf, *cp; |
| 476 | |
| 477 | buf = strdup(str); |
| 478 | cp = strchr(buf, ':'); |
| 479 | if (cp != NULL) |
| 480 | *cp = '\0'; |
| 481 | |
| 482 | if (!xtables_strtoui(buf, NULL, &port, 0, UINT16_MAX)) |
| 483 | xtables_param_act(XTF_BAD_VALUE, "conntrack", param, buf); |
| 484 | |
| 485 | if (port_high == NULL) { |
| 486 | /* revision 0-2 do not support ranges */ |
| 487 | if (cp != NULL) |
| 488 | xtables_error(PARAMETER_PROBLEM, "conntrack: " |
| 489 | "port ranges not supported"); |
| 490 | |
| 491 | *port_low = htons(port); |
| 492 | } else { |
| 493 | *port_low = port; |
| 494 | |
| 495 | if (cp != NULL) { |
| 496 | if (!xtables_strtoui(cp + 1, NULL, &port, 0, UINT16_MAX)) |
| 497 | xtables_param_act(XTF_BAD_VALUE, "conntrack", param, buf); |
| 498 | |
| 499 | *port_high = port; |
| 500 | if (*port_low > *port_high) |
| 501 | xtables_error(PARAMETER_PROBLEM, |
| 502 | "invalid portrange (min > max)"); |
| 503 | } else |
| 504 | *port_high = port; |
| 505 | } |
| 506 | |
| 507 | free(buf); |
| 508 | } |
| 509 | |
| 510 | |
| 511 | static int |
| 512 | conntrack_mt_parse(int c, bool invert, unsigned int *flags, |
| 513 | struct xt_conntrack_mtinfo3 *info, bool v3) |
| 514 | { |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 515 | char *p; |
| 516 | |
| 517 | switch (c) { |
| 518 | case '1': /* --ctstate */ |
| 519 | conntrack_ps_states(info, optarg); |
| 520 | info->match_flags |= XT_CONNTRACK_STATE; |
| 521 | if (invert) |
| 522 | info->invert_flags |= XT_CONNTRACK_STATE; |
| 523 | break; |
| 524 | |
| 525 | case '2': /* --ctproto */ |
| 526 | /* Canonicalize into lower case */ |
| 527 | for (p = optarg; *p != '\0'; ++p) |
| 528 | *p = tolower(*p); |
Jan Engelhardt | 1de7edf | 2009-01-30 05:38:11 +0100 | [diff] [blame] | 529 | info->l4proto = xtables_parse_protocol(optarg); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 530 | |
| 531 | if (info->l4proto == 0 && (info->invert_flags & XT_INV_PROTO)) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 532 | xtables_error(PARAMETER_PROBLEM, "conntrack: rule would " |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 533 | "never match protocol"); |
| 534 | |
| 535 | info->match_flags |= XT_CONNTRACK_PROTO; |
| 536 | if (invert) |
| 537 | info->invert_flags |= XT_CONNTRACK_PROTO; |
| 538 | break; |
| 539 | |
| 540 | case '7': /* --ctstatus */ |
| 541 | conntrack_ps_statuses(info, optarg); |
| 542 | info->match_flags |= XT_CONNTRACK_STATUS; |
| 543 | if (invert) |
| 544 | info->invert_flags |= XT_CONNTRACK_STATUS; |
| 545 | break; |
| 546 | |
| 547 | case '8': /* --ctexpire */ |
| 548 | conntrack_ps_expires(info, optarg); |
| 549 | info->match_flags |= XT_CONNTRACK_EXPIRES; |
| 550 | if (invert) |
| 551 | info->invert_flags |= XT_CONNTRACK_EXPIRES; |
| 552 | break; |
| 553 | |
| 554 | case 'a': /* --ctorigsrcport */ |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 555 | ct_parse_ports("--ctorigsrcport", optarg, |
| 556 | &info->origsrc_port, |
| 557 | v3 ? &info->origsrc_port_high : NULL); |
| 558 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 559 | info->match_flags |= XT_CONNTRACK_ORIGSRC_PORT; |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 560 | if (invert) |
| 561 | info->invert_flags |= XT_CONNTRACK_ORIGSRC_PORT; |
| 562 | break; |
| 563 | |
| 564 | case 'b': /* --ctorigdstport */ |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 565 | ct_parse_ports("--ctorigdstport", optarg, |
| 566 | &info->origdst_port, |
| 567 | v3 ? &info->origdst_port_high : NULL); |
| 568 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 569 | info->match_flags |= XT_CONNTRACK_ORIGDST_PORT; |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 570 | if (invert) |
| 571 | info->invert_flags |= XT_CONNTRACK_ORIGDST_PORT; |
| 572 | break; |
| 573 | |
| 574 | case 'c': /* --ctreplsrcport */ |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 575 | ct_parse_ports("--ctreplsrcport", optarg, |
| 576 | &info->replsrc_port, |
| 577 | v3 ? &info->replsrc_port_high : NULL); |
| 578 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 579 | info->match_flags |= XT_CONNTRACK_REPLSRC_PORT; |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 580 | if (invert) |
| 581 | info->invert_flags |= XT_CONNTRACK_REPLSRC_PORT; |
| 582 | break; |
| 583 | |
| 584 | case 'd': /* --ctrepldstport */ |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 585 | ct_parse_ports("--ctrepldstport", optarg, |
| 586 | &info->repldst_port, |
| 587 | v3 ? &info->repldst_port_high : NULL); |
| 588 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 589 | info->match_flags |= XT_CONNTRACK_REPLDST_PORT; |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 590 | if (invert) |
| 591 | info->invert_flags |= XT_CONNTRACK_REPLDST_PORT; |
| 592 | break; |
| 593 | |
| 594 | case 'e': /* --ctdir */ |
Jan Engelhardt | a41545c | 2009-01-27 21:27:19 +0100 | [diff] [blame] | 595 | xtables_param_act(XTF_NO_INVERT, "conntrack", "--ctdir", invert); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 596 | if (strcasecmp(optarg, "ORIGINAL") == 0) { |
| 597 | info->match_flags |= XT_CONNTRACK_DIRECTION; |
| 598 | info->invert_flags &= ~XT_CONNTRACK_DIRECTION; |
| 599 | } else if (strcasecmp(optarg, "REPLY") == 0) { |
| 600 | info->match_flags |= XT_CONNTRACK_DIRECTION; |
| 601 | info->invert_flags |= XT_CONNTRACK_DIRECTION; |
| 602 | } else { |
Jan Engelhardt | a41545c | 2009-01-27 21:27:19 +0100 | [diff] [blame] | 603 | xtables_param_act(XTF_BAD_VALUE, "conntrack", "--ctdir", optarg); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 604 | } |
| 605 | break; |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 606 | } |
| 607 | |
| 608 | *flags = info->match_flags; |
| 609 | return true; |
| 610 | } |
| 611 | |
| 612 | static int |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 613 | conntrack_mt4_parse(int c, bool invert, unsigned int *flags, |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 614 | struct xt_conntrack_mtinfo3 *info, bool v3) |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 615 | { |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 616 | struct in_addr *addr = NULL; |
| 617 | unsigned int naddrs = 0; |
| 618 | |
| 619 | switch (c) { |
| 620 | case '3': /* --ctorigsrc */ |
Jan Engelhardt | a0baae8 | 2009-01-30 04:32:50 +0100 | [diff] [blame] | 621 | xtables_ipparse_any(optarg, &addr, &info->origsrc_mask.in, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 622 | &naddrs); |
| 623 | if (naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 624 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 625 | "multiple IP addresses not allowed"); |
| 626 | if (naddrs == 1) |
| 627 | memcpy(&info->origsrc_addr.in, addr, sizeof(*addr)); |
| 628 | info->match_flags |= XT_CONNTRACK_ORIGSRC; |
| 629 | if (invert) |
| 630 | info->invert_flags |= XT_CONNTRACK_ORIGSRC; |
| 631 | break; |
| 632 | |
| 633 | case '4': /* --ctorigdst */ |
Jan Engelhardt | a0baae8 | 2009-01-30 04:32:50 +0100 | [diff] [blame] | 634 | xtables_ipparse_any(optarg, &addr, &info->origdst_mask.in, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 635 | &naddrs); |
| 636 | if (naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 637 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 638 | "multiple IP addresses not allowed"); |
| 639 | if (naddrs == 1) |
| 640 | memcpy(&info->origdst_addr.in, addr, sizeof(*addr)); |
| 641 | info->match_flags |= XT_CONNTRACK_ORIGDST; |
| 642 | if (invert) |
| 643 | info->invert_flags |= XT_CONNTRACK_ORIGDST; |
| 644 | break; |
| 645 | |
| 646 | case '5': /* --ctreplsrc */ |
Jan Engelhardt | a0baae8 | 2009-01-30 04:32:50 +0100 | [diff] [blame] | 647 | xtables_ipparse_any(optarg, &addr, &info->replsrc_mask.in, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 648 | &naddrs); |
| 649 | if (naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 650 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 651 | "multiple IP addresses not allowed"); |
| 652 | if (naddrs == 1) |
| 653 | memcpy(&info->replsrc_addr.in, addr, sizeof(*addr)); |
| 654 | info->match_flags |= XT_CONNTRACK_REPLSRC; |
| 655 | if (invert) |
| 656 | info->invert_flags |= XT_CONNTRACK_REPLSRC; |
| 657 | break; |
| 658 | |
| 659 | case '6': /* --ctrepldst */ |
Jan Engelhardt | a0baae8 | 2009-01-30 04:32:50 +0100 | [diff] [blame] | 660 | xtables_ipparse_any(optarg, &addr, &info->repldst_mask.in, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 661 | &naddrs); |
| 662 | if (naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 663 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 664 | "multiple IP addresses not allowed"); |
| 665 | if (naddrs == 1) |
| 666 | memcpy(&info->repldst_addr.in, addr, sizeof(*addr)); |
| 667 | info->match_flags |= XT_CONNTRACK_REPLDST; |
| 668 | if (invert) |
| 669 | info->invert_flags |= XT_CONNTRACK_REPLDST; |
| 670 | break; |
| 671 | |
| 672 | |
| 673 | default: |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 674 | return conntrack_mt_parse(c, invert, flags, info, v3); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 675 | } |
| 676 | |
| 677 | *flags = info->match_flags; |
| 678 | return true; |
| 679 | } |
| 680 | |
| 681 | static int |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 682 | conntrack_mt6_parse(int c, bool invert, unsigned int *flags, |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 683 | struct xt_conntrack_mtinfo3 *info, bool v3) |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 684 | { |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 685 | struct in6_addr *addr = NULL; |
| 686 | unsigned int naddrs = 0; |
| 687 | |
| 688 | switch (c) { |
| 689 | case '3': /* --ctorigsrc */ |
Jan Engelhardt | a0baae8 | 2009-01-30 04:32:50 +0100 | [diff] [blame] | 690 | xtables_ip6parse_any(optarg, &addr, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 691 | &info->origsrc_mask.in6, &naddrs); |
| 692 | if (naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 693 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 694 | "multiple IP addresses not allowed"); |
| 695 | if (naddrs == 1) |
| 696 | memcpy(&info->origsrc_addr.in6, addr, sizeof(*addr)); |
| 697 | info->match_flags |= XT_CONNTRACK_ORIGSRC; |
| 698 | if (invert) |
| 699 | info->invert_flags |= XT_CONNTRACK_ORIGSRC; |
| 700 | break; |
| 701 | |
| 702 | case '4': /* --ctorigdst */ |
Jan Engelhardt | a0baae8 | 2009-01-30 04:32:50 +0100 | [diff] [blame] | 703 | xtables_ip6parse_any(optarg, &addr, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 704 | &info->origdst_mask.in6, &naddrs); |
| 705 | if (naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 706 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 707 | "multiple IP addresses not allowed"); |
| 708 | if (naddrs == 1) |
| 709 | memcpy(&info->origdst_addr.in, addr, sizeof(*addr)); |
| 710 | info->match_flags |= XT_CONNTRACK_ORIGDST; |
| 711 | if (invert) |
| 712 | info->invert_flags |= XT_CONNTRACK_ORIGDST; |
| 713 | break; |
| 714 | |
| 715 | case '5': /* --ctreplsrc */ |
Jan Engelhardt | a0baae8 | 2009-01-30 04:32:50 +0100 | [diff] [blame] | 716 | xtables_ip6parse_any(optarg, &addr, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 717 | &info->replsrc_mask.in6, &naddrs); |
| 718 | if (naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 719 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 720 | "multiple IP addresses not allowed"); |
| 721 | if (naddrs == 1) |
| 722 | memcpy(&info->replsrc_addr.in, addr, sizeof(*addr)); |
| 723 | info->match_flags |= XT_CONNTRACK_REPLSRC; |
| 724 | if (invert) |
| 725 | info->invert_flags |= XT_CONNTRACK_REPLSRC; |
| 726 | break; |
| 727 | |
| 728 | case '6': /* --ctrepldst */ |
Jan Engelhardt | a0baae8 | 2009-01-30 04:32:50 +0100 | [diff] [blame] | 729 | xtables_ip6parse_any(optarg, &addr, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 730 | &info->repldst_mask.in6, &naddrs); |
| 731 | if (naddrs > 1) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 732 | xtables_error(PARAMETER_PROBLEM, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 733 | "multiple IP addresses not allowed"); |
| 734 | if (naddrs == 1) |
| 735 | memcpy(&info->repldst_addr.in, addr, sizeof(*addr)); |
| 736 | info->match_flags |= XT_CONNTRACK_REPLDST; |
| 737 | if (invert) |
| 738 | info->invert_flags |= XT_CONNTRACK_REPLDST; |
| 739 | break; |
| 740 | |
| 741 | |
| 742 | default: |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 743 | return conntrack_mt_parse(c, invert, flags, info, v3); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 744 | } |
| 745 | |
| 746 | *flags = info->match_flags; |
| 747 | return true; |
| 748 | } |
| 749 | |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 750 | #define cinfo_transform(r, l) \ |
| 751 | do { \ |
| 752 | memcpy((r), (l), offsetof(typeof(*(l)), state_mask)); \ |
| 753 | (r)->state_mask = (l)->state_mask; \ |
| 754 | (r)->status_mask = (l)->status_mask; \ |
| 755 | } while (false); |
| 756 | |
| 757 | static int |
| 758 | conntrack1_mt4_parse(int c, char **argv, int invert, unsigned int *flags, |
| 759 | const void *entry, struct xt_entry_match **match) |
| 760 | { |
| 761 | struct xt_conntrack_mtinfo1 *info = (void *)(*match)->data; |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 762 | struct xt_conntrack_mtinfo3 up; |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 763 | |
| 764 | cinfo_transform(&up, info); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 765 | if (!conntrack_mt4_parse(c, invert, flags, &up, false)) |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 766 | return false; |
| 767 | cinfo_transform(info, &up); |
| 768 | return true; |
| 769 | } |
| 770 | |
| 771 | static int |
| 772 | conntrack1_mt6_parse(int c, char **argv, int invert, unsigned int *flags, |
| 773 | const void *entry, struct xt_entry_match **match) |
| 774 | { |
| 775 | struct xt_conntrack_mtinfo1 *info = (void *)(*match)->data; |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 776 | struct xt_conntrack_mtinfo3 up; |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 777 | |
| 778 | cinfo_transform(&up, info); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 779 | if (!conntrack_mt6_parse(c, invert, flags, &up, false)) |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 780 | return false; |
| 781 | cinfo_transform(info, &up); |
| 782 | return true; |
| 783 | } |
| 784 | |
| 785 | static int |
| 786 | conntrack2_mt4_parse(int c, char **argv, int invert, unsigned int *flags, |
| 787 | const void *entry, struct xt_entry_match **match) |
| 788 | { |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 789 | return conntrack_mt4_parse(c, invert, flags, (void *)(*match)->data, false); |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 790 | } |
| 791 | |
| 792 | static int |
| 793 | conntrack2_mt6_parse(int c, char **argv, int invert, unsigned int *flags, |
| 794 | const void *entry, struct xt_entry_match **match) |
| 795 | { |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 796 | return conntrack_mt6_parse(c, invert, flags, (void *)(*match)->data, false); |
| 797 | } |
| 798 | |
| 799 | static int |
| 800 | conntrack3_mt4_parse(int c, char **argv, int invert, unsigned int *flags, |
| 801 | const void *entry, struct xt_entry_match **match) |
| 802 | { |
| 803 | return conntrack_mt4_parse(c, invert, flags, (void *)(*match)->data, true); |
| 804 | } |
| 805 | |
| 806 | static int |
| 807 | conntrack3_mt6_parse(int c, char **argv, int invert, unsigned int *flags, |
| 808 | const void *entry, struct xt_entry_match **match) |
| 809 | { |
| 810 | return conntrack_mt6_parse(c, invert, flags, (void *)(*match)->data, true); |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 811 | } |
| 812 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 813 | static void conntrack_mt_check(unsigned int flags) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 814 | { |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 815 | if (flags == 0) |
Jan Engelhardt | 1829ed4 | 2009-02-21 03:29:44 +0100 | [diff] [blame] | 816 | xtables_error(PARAMETER_PROBLEM, "conntrack: At least one option " |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 817 | "is required"); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 818 | } |
| 819 | |
| 820 | static void |
| 821 | print_state(unsigned int statemask) |
| 822 | { |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 823 | const char *sep = " "; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 824 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 825 | if (statemask & XT_CONNTRACK_STATE_INVALID) { |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 826 | printf("%sINVALID", sep); |
| 827 | sep = ","; |
| 828 | } |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 829 | if (statemask & XT_CONNTRACK_STATE_BIT(IP_CT_NEW)) { |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 830 | printf("%sNEW", sep); |
| 831 | sep = ","; |
| 832 | } |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 833 | if (statemask & XT_CONNTRACK_STATE_BIT(IP_CT_RELATED)) { |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 834 | printf("%sRELATED", sep); |
| 835 | sep = ","; |
| 836 | } |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 837 | if (statemask & XT_CONNTRACK_STATE_BIT(IP_CT_ESTABLISHED)) { |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 838 | printf("%sESTABLISHED", sep); |
| 839 | sep = ","; |
| 840 | } |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 841 | if (statemask & XT_CONNTRACK_STATE_UNTRACKED) { |
Harald Welte | 4dc734c | 2003-10-07 18:55:13 +0000 | [diff] [blame] | 842 | printf("%sUNTRACKED", sep); |
| 843 | sep = ","; |
| 844 | } |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 845 | if (statemask & XT_CONNTRACK_STATE_SNAT) { |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 846 | printf("%sSNAT", sep); |
| 847 | sep = ","; |
| 848 | } |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 849 | if (statemask & XT_CONNTRACK_STATE_DNAT) { |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 850 | printf("%sDNAT", sep); |
| 851 | sep = ","; |
| 852 | } |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 853 | } |
| 854 | |
| 855 | static void |
| 856 | print_status(unsigned int statusmask) |
| 857 | { |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 858 | const char *sep = " "; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 859 | |
| 860 | if (statusmask & IPS_EXPECTED) { |
| 861 | printf("%sEXPECTED", sep); |
| 862 | sep = ","; |
| 863 | } |
| 864 | if (statusmask & IPS_SEEN_REPLY) { |
| 865 | printf("%sSEEN_REPLY", sep); |
| 866 | sep = ","; |
| 867 | } |
| 868 | if (statusmask & IPS_ASSURED) { |
| 869 | printf("%sASSURED", sep); |
| 870 | sep = ","; |
| 871 | } |
Harald Welte | a643c3e | 2003-08-25 11:08:52 +0000 | [diff] [blame] | 872 | if (statusmask & IPS_CONFIRMED) { |
| 873 | printf("%sCONFIRMED", sep); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 874 | sep = ","; |
| 875 | } |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 876 | if (statusmask == 0) |
| 877 | printf("%sNONE", sep); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 878 | } |
| 879 | |
| 880 | static void |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 881 | conntrack_dump_addr(const union nf_inet_addr *addr, |
| 882 | const union nf_inet_addr *mask, |
| 883 | unsigned int family, bool numeric) |
| 884 | { |
Jan Engelhardt | 03d9948 | 2008-11-18 12:27:54 +0100 | [diff] [blame] | 885 | if (family == NFPROTO_IPV4) { |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 886 | if (!numeric && addr->ip == 0) { |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 887 | printf(" anywhere"); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 888 | return; |
| 889 | } |
Jan Engelhardt | 6b6c096 | 2008-11-10 17:08:07 +0100 | [diff] [blame] | 890 | if (numeric) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 891 | printf(" %s%s", |
Jan Engelhardt | 76f7a23 | 2010-06-24 21:23:44 +0200 | [diff] [blame] | 892 | xtables_ipaddr_to_numeric(&addr->in), |
| 893 | xtables_ipmask_to_numeric(&mask->in)); |
Jan Engelhardt | 6b6c096 | 2008-11-10 17:08:07 +0100 | [diff] [blame] | 894 | else |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 895 | printf(" %s%s", |
Jan Engelhardt | 76f7a23 | 2010-06-24 21:23:44 +0200 | [diff] [blame] | 896 | xtables_ipaddr_to_anyname(&addr->in), |
| 897 | xtables_ipmask_to_numeric(&mask->in)); |
Jan Engelhardt | 03d9948 | 2008-11-18 12:27:54 +0100 | [diff] [blame] | 898 | } else if (family == NFPROTO_IPV6) { |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 899 | if (!numeric && addr->ip6[0] == 0 && addr->ip6[1] == 0 && |
| 900 | addr->ip6[2] == 0 && addr->ip6[3] == 0) { |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 901 | printf(" anywhere"); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 902 | return; |
| 903 | } |
Jan Engelhardt | 6b6c096 | 2008-11-10 17:08:07 +0100 | [diff] [blame] | 904 | if (numeric) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 905 | printf(" %s%s", |
Jan Engelhardt | 76f7a23 | 2010-06-24 21:23:44 +0200 | [diff] [blame] | 906 | xtables_ip6addr_to_numeric(&addr->in6), |
| 907 | xtables_ip6mask_to_numeric(&mask->in6)); |
Jan Engelhardt | 6b6c096 | 2008-11-10 17:08:07 +0100 | [diff] [blame] | 908 | else |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 909 | printf(" %s%s", |
Jan Engelhardt | 76f7a23 | 2010-06-24 21:23:44 +0200 | [diff] [blame] | 910 | xtables_ip6addr_to_anyname(&addr->in6), |
| 911 | xtables_ip6mask_to_numeric(&mask->in6)); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 912 | } |
| 913 | } |
| 914 | |
| 915 | static void |
Jan Engelhardt | 69f564e | 2009-05-26 13:14:06 +0200 | [diff] [blame] | 916 | print_addr(const struct in_addr *addr, const struct in_addr *mask, |
| 917 | int inv, int numeric) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 918 | { |
| 919 | char buf[BUFSIZ]; |
| 920 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 921 | if (inv) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 922 | printf(" !"); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 923 | |
| 924 | if (mask->s_addr == 0L && !numeric) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 925 | printf(" %s", "anywhere"); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 926 | else { |
| 927 | if (numeric) |
Jan Engelhardt | e44ea7f | 2009-01-30 03:55:09 +0100 | [diff] [blame] | 928 | strcpy(buf, xtables_ipaddr_to_numeric(addr)); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 929 | else |
Jan Engelhardt | e44ea7f | 2009-01-30 03:55:09 +0100 | [diff] [blame] | 930 | strcpy(buf, xtables_ipaddr_to_anyname(addr)); |
| 931 | strcat(buf, xtables_ipmask_to_numeric(mask)); |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 932 | printf(" %s", buf); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 933 | } |
| 934 | } |
| 935 | |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 936 | static void |
Yasuyuki KOZAKAI | c0a9ab9 | 2007-07-24 06:02:05 +0000 | [diff] [blame] | 937 | matchinfo_print(const void *ip, const struct xt_entry_match *match, int numeric, const char *optpfx) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 938 | { |
Jan Engelhardt | 69f564e | 2009-05-26 13:14:06 +0200 | [diff] [blame] | 939 | const struct xt_conntrack_info *sinfo = (const void *)match->data; |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 940 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 941 | if(sinfo->flags & XT_CONNTRACK_STATE) { |
| 942 | if (sinfo->invflags & XT_CONNTRACK_STATE) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 943 | printf(" !"); |
| 944 | printf(" %sctstate", optpfx); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 945 | print_state(sinfo->statemask); |
| 946 | } |
| 947 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 948 | if(sinfo->flags & XT_CONNTRACK_PROTO) { |
| 949 | if (sinfo->invflags & XT_CONNTRACK_PROTO) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 950 | printf(" !"); |
| 951 | printf(" %sctproto", optpfx); |
| 952 | printf(" %u", sinfo->tuple[IP_CT_DIR_ORIGINAL].dst.protonum); |
Phil Oester | 5a4892b | 2005-11-17 13:34:51 +0000 | [diff] [blame] | 953 | } |
| 954 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 955 | if(sinfo->flags & XT_CONNTRACK_ORIGSRC) { |
| 956 | if (sinfo->invflags & XT_CONNTRACK_ORIGSRC) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 957 | printf(" !"); |
| 958 | printf(" %sctorigsrc", optpfx); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 959 | |
| 960 | print_addr( |
| 961 | (struct in_addr *)&sinfo->tuple[IP_CT_DIR_ORIGINAL].src.ip, |
| 962 | &sinfo->sipmsk[IP_CT_DIR_ORIGINAL], |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 963 | false, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 964 | numeric); |
| 965 | } |
| 966 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 967 | if(sinfo->flags & XT_CONNTRACK_ORIGDST) { |
| 968 | if (sinfo->invflags & XT_CONNTRACK_ORIGDST) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 969 | printf(" !"); |
| 970 | printf(" %sctorigdst", optpfx); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 971 | |
| 972 | print_addr( |
| 973 | (struct in_addr *)&sinfo->tuple[IP_CT_DIR_ORIGINAL].dst.ip, |
| 974 | &sinfo->dipmsk[IP_CT_DIR_ORIGINAL], |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 975 | false, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 976 | numeric); |
| 977 | } |
| 978 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 979 | if(sinfo->flags & XT_CONNTRACK_REPLSRC) { |
| 980 | if (sinfo->invflags & XT_CONNTRACK_REPLSRC) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 981 | printf(" !"); |
| 982 | printf(" %sctreplsrc", optpfx); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 983 | |
| 984 | print_addr( |
| 985 | (struct in_addr *)&sinfo->tuple[IP_CT_DIR_REPLY].src.ip, |
| 986 | &sinfo->sipmsk[IP_CT_DIR_REPLY], |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 987 | false, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 988 | numeric); |
| 989 | } |
| 990 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 991 | if(sinfo->flags & XT_CONNTRACK_REPLDST) { |
| 992 | if (sinfo->invflags & XT_CONNTRACK_REPLDST) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 993 | printf(" !"); |
| 994 | printf(" %sctrepldst", optpfx); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 995 | |
| 996 | print_addr( |
| 997 | (struct in_addr *)&sinfo->tuple[IP_CT_DIR_REPLY].dst.ip, |
| 998 | &sinfo->dipmsk[IP_CT_DIR_REPLY], |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 999 | false, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1000 | numeric); |
| 1001 | } |
| 1002 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 1003 | if(sinfo->flags & XT_CONNTRACK_STATUS) { |
| 1004 | if (sinfo->invflags & XT_CONNTRACK_STATUS) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1005 | printf(" !"); |
| 1006 | printf(" %sctstatus", optpfx); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1007 | print_status(sinfo->statusmask); |
| 1008 | } |
| 1009 | |
Jan Engelhardt | a80b604 | 2008-01-20 13:34:07 +0000 | [diff] [blame] | 1010 | if(sinfo->flags & XT_CONNTRACK_EXPIRES) { |
| 1011 | if (sinfo->invflags & XT_CONNTRACK_EXPIRES) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1012 | printf(" !"); |
| 1013 | printf(" %sctexpire ", optpfx); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1014 | |
| 1015 | if (sinfo->expires_max == sinfo->expires_min) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1016 | printf("%lu", sinfo->expires_min); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1017 | else |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1018 | printf("%lu:%lu", sinfo->expires_min, sinfo->expires_max); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1019 | } |
Jan Engelhardt | c7fc1da | 2008-11-12 12:03:25 +0100 | [diff] [blame] | 1020 | |
| 1021 | if (sinfo->flags & XT_CONNTRACK_DIRECTION) { |
| 1022 | if (sinfo->invflags & XT_CONNTRACK_DIRECTION) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1023 | printf(" %sctdir REPLY", optpfx); |
Jan Engelhardt | c7fc1da | 2008-11-12 12:03:25 +0100 | [diff] [blame] | 1024 | else |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1025 | printf(" %sctdir ORIGINAL", optpfx); |
Jan Engelhardt | c7fc1da | 2008-11-12 12:03:25 +0100 | [diff] [blame] | 1026 | } |
| 1027 | |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1028 | } |
| 1029 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1030 | static void |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1031 | conntrack_dump_ports(const char *prefix, const char *opt, |
| 1032 | u_int16_t port_low, u_int16_t port_high) |
| 1033 | { |
| 1034 | if (port_high == 0 || port_low == port_high) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1035 | printf(" %s%s %u", prefix, opt, port_low); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1036 | else |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1037 | printf(" %s%s %u:%u", prefix, opt, port_low, port_high); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1038 | } |
| 1039 | |
| 1040 | static void |
| 1041 | conntrack_dump(const struct xt_conntrack_mtinfo3 *info, const char *prefix, |
| 1042 | unsigned int family, bool numeric, bool v3) |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1043 | { |
| 1044 | if (info->match_flags & XT_CONNTRACK_STATE) { |
| 1045 | if (info->invert_flags & XT_CONNTRACK_STATE) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1046 | printf(" !"); |
| 1047 | printf(" %sctstate", prefix); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1048 | print_state(info->state_mask); |
| 1049 | } |
| 1050 | |
| 1051 | if (info->match_flags & XT_CONNTRACK_PROTO) { |
| 1052 | if (info->invert_flags & XT_CONNTRACK_PROTO) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1053 | printf(" !"); |
| 1054 | printf(" %sctproto %u", prefix, info->l4proto); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1055 | } |
| 1056 | |
| 1057 | if (info->match_flags & XT_CONNTRACK_ORIGSRC) { |
Jan Engelhardt | 093d5fc | 2009-04-05 00:05:30 +0200 | [diff] [blame] | 1058 | if (info->invert_flags & XT_CONNTRACK_ORIGSRC) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1059 | printf(" !"); |
| 1060 | printf(" %sctorigsrc", prefix); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1061 | conntrack_dump_addr(&info->origsrc_addr, &info->origsrc_mask, |
| 1062 | family, numeric); |
| 1063 | } |
| 1064 | |
| 1065 | if (info->match_flags & XT_CONNTRACK_ORIGDST) { |
Jan Engelhardt | 093d5fc | 2009-04-05 00:05:30 +0200 | [diff] [blame] | 1066 | if (info->invert_flags & XT_CONNTRACK_ORIGDST) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1067 | printf(" !"); |
| 1068 | printf(" %sctorigdst", prefix); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1069 | conntrack_dump_addr(&info->origdst_addr, &info->origdst_mask, |
| 1070 | family, numeric); |
| 1071 | } |
| 1072 | |
| 1073 | if (info->match_flags & XT_CONNTRACK_REPLSRC) { |
Jan Engelhardt | 093d5fc | 2009-04-05 00:05:30 +0200 | [diff] [blame] | 1074 | if (info->invert_flags & XT_CONNTRACK_REPLSRC) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1075 | printf(" !"); |
| 1076 | printf(" %sctreplsrc", prefix); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1077 | conntrack_dump_addr(&info->replsrc_addr, &info->replsrc_mask, |
| 1078 | family, numeric); |
| 1079 | } |
| 1080 | |
| 1081 | if (info->match_flags & XT_CONNTRACK_REPLDST) { |
Jan Engelhardt | 093d5fc | 2009-04-05 00:05:30 +0200 | [diff] [blame] | 1082 | if (info->invert_flags & XT_CONNTRACK_REPLDST) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1083 | printf(" !"); |
| 1084 | printf(" %sctrepldst", prefix); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1085 | conntrack_dump_addr(&info->repldst_addr, &info->repldst_mask, |
| 1086 | family, numeric); |
| 1087 | } |
| 1088 | |
| 1089 | if (info->match_flags & XT_CONNTRACK_ORIGSRC_PORT) { |
| 1090 | if (info->invert_flags & XT_CONNTRACK_ORIGSRC_PORT) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1091 | printf(" !"); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1092 | conntrack_dump_ports(prefix, "ctorigsrcport", |
| 1093 | v3 ? info->origsrc_port : ntohs(info->origsrc_port), |
| 1094 | v3 ? info->origsrc_port_high : 0); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1095 | } |
| 1096 | |
| 1097 | if (info->match_flags & XT_CONNTRACK_ORIGDST_PORT) { |
| 1098 | if (info->invert_flags & XT_CONNTRACK_ORIGDST_PORT) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1099 | printf(" !"); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1100 | conntrack_dump_ports(prefix, "ctorigdstport", |
| 1101 | v3 ? info->origdst_port : ntohs(info->origdst_port), |
| 1102 | v3 ? info->origdst_port_high : 0); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1103 | } |
| 1104 | |
| 1105 | if (info->match_flags & XT_CONNTRACK_REPLSRC_PORT) { |
| 1106 | if (info->invert_flags & XT_CONNTRACK_REPLSRC_PORT) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1107 | printf(" !"); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1108 | conntrack_dump_ports(prefix, "ctreplsrcport", |
| 1109 | v3 ? info->replsrc_port : ntohs(info->replsrc_port), |
| 1110 | v3 ? info->replsrc_port_high : 0); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1111 | } |
| 1112 | |
| 1113 | if (info->match_flags & XT_CONNTRACK_REPLDST_PORT) { |
| 1114 | if (info->invert_flags & XT_CONNTRACK_REPLDST_PORT) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1115 | printf(" !"); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1116 | conntrack_dump_ports(prefix, "ctrepldstport", |
| 1117 | v3 ? info->repldst_port : ntohs(info->repldst_port), |
| 1118 | v3 ? info->repldst_port_high : 0); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1119 | } |
| 1120 | |
| 1121 | if (info->match_flags & XT_CONNTRACK_STATUS) { |
| 1122 | if (info->invert_flags & XT_CONNTRACK_STATUS) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1123 | printf(" !"); |
| 1124 | printf(" %sctstatus", prefix); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1125 | print_status(info->status_mask); |
| 1126 | } |
| 1127 | |
| 1128 | if (info->match_flags & XT_CONNTRACK_EXPIRES) { |
| 1129 | if (info->invert_flags & XT_CONNTRACK_EXPIRES) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1130 | printf(" !"); |
| 1131 | printf(" %sctexpire ", prefix); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1132 | |
| 1133 | if (info->expires_max == info->expires_min) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1134 | printf("%u", (unsigned int)info->expires_min); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1135 | else |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1136 | printf("%u:%u", (unsigned int)info->expires_min, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1137 | (unsigned int)info->expires_max); |
| 1138 | } |
Jan Engelhardt | c7fc1da | 2008-11-12 12:03:25 +0100 | [diff] [blame] | 1139 | |
| 1140 | if (info->match_flags & XT_CONNTRACK_DIRECTION) { |
| 1141 | if (info->invert_flags & XT_CONNTRACK_DIRECTION) |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1142 | printf(" %sctdir REPLY", prefix); |
Jan Engelhardt | c7fc1da | 2008-11-12 12:03:25 +0100 | [diff] [blame] | 1143 | else |
Jan Engelhardt | 7386635 | 2010-12-18 02:04:59 +0100 | [diff] [blame] | 1144 | printf(" %sctdir ORIGINAL", prefix); |
Jan Engelhardt | c7fc1da | 2008-11-12 12:03:25 +0100 | [diff] [blame] | 1145 | } |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1146 | } |
| 1147 | |
Jan Engelhardt | 59d1640 | 2007-10-04 16:28:39 +0000 | [diff] [blame] | 1148 | static void conntrack_print(const void *ip, const struct xt_entry_match *match, |
| 1149 | int numeric) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1150 | { |
| 1151 | matchinfo_print(ip, match, numeric, ""); |
| 1152 | } |
| 1153 | |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1154 | static void |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 1155 | conntrack1_mt4_print(const void *ip, const struct xt_entry_match *match, |
| 1156 | int numeric) |
| 1157 | { |
| 1158 | const struct xt_conntrack_mtinfo1 *info = (void *)match->data; |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1159 | struct xt_conntrack_mtinfo3 up; |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 1160 | |
| 1161 | cinfo_transform(&up, info); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1162 | conntrack_dump(&up, "", NFPROTO_IPV4, numeric, false); |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 1163 | } |
| 1164 | |
| 1165 | static void |
| 1166 | conntrack1_mt6_print(const void *ip, const struct xt_entry_match *match, |
| 1167 | int numeric) |
| 1168 | { |
| 1169 | const struct xt_conntrack_mtinfo1 *info = (void *)match->data; |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1170 | struct xt_conntrack_mtinfo3 up; |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 1171 | |
| 1172 | cinfo_transform(&up, info); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1173 | conntrack_dump(&up, "", NFPROTO_IPV6, numeric, false); |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 1174 | } |
| 1175 | |
| 1176 | static void |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1177 | conntrack2_mt_print(const void *ip, const struct xt_entry_match *match, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1178 | int numeric) |
| 1179 | { |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1180 | conntrack_dump((const void *)match->data, "", NFPROTO_IPV4, numeric, false); |
| 1181 | } |
| 1182 | |
| 1183 | static void |
| 1184 | conntrack2_mt6_print(const void *ip, const struct xt_entry_match *match, |
| 1185 | int numeric) |
| 1186 | { |
| 1187 | conntrack_dump((const void *)match->data, "", NFPROTO_IPV6, numeric, false); |
| 1188 | } |
| 1189 | |
| 1190 | static void |
| 1191 | conntrack3_mt_print(const void *ip, const struct xt_entry_match *match, |
| 1192 | int numeric) |
| 1193 | { |
| 1194 | conntrack_dump((const void *)match->data, "", NFPROTO_IPV4, numeric, true); |
| 1195 | } |
| 1196 | |
| 1197 | static void |
| 1198 | conntrack3_mt6_print(const void *ip, const struct xt_entry_match *match, |
| 1199 | int numeric) |
| 1200 | { |
| 1201 | conntrack_dump((const void *)match->data, "", NFPROTO_IPV6, numeric, true); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1202 | } |
| 1203 | |
Jan Engelhardt | 59d1640 | 2007-10-04 16:28:39 +0000 | [diff] [blame] | 1204 | static void conntrack_save(const void *ip, const struct xt_entry_match *match) |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1205 | { |
Joszef Kadlecsik | db503f9 | 2004-05-05 10:10:33 +0000 | [diff] [blame] | 1206 | matchinfo_print(ip, match, 1, "--"); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1207 | } |
| 1208 | |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1209 | static void conntrack3_mt_save(const void *ip, |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1210 | const struct xt_entry_match *match) |
| 1211 | { |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1212 | conntrack_dump((const void *)match->data, "--", NFPROTO_IPV4, true, true); |
| 1213 | } |
| 1214 | |
| 1215 | static void conntrack3_mt6_save(const void *ip, |
| 1216 | const struct xt_entry_match *match) |
| 1217 | { |
| 1218 | conntrack_dump((const void *)match->data, "--", NFPROTO_IPV6, true, true); |
| 1219 | } |
| 1220 | |
| 1221 | static void conntrack2_mt_save(const void *ip, |
| 1222 | const struct xt_entry_match *match) |
| 1223 | { |
| 1224 | conntrack_dump((const void *)match->data, "--", NFPROTO_IPV4, true, false); |
| 1225 | } |
| 1226 | |
| 1227 | static void conntrack2_mt6_save(const void *ip, |
| 1228 | const struct xt_entry_match *match) |
| 1229 | { |
| 1230 | conntrack_dump((const void *)match->data, "--", NFPROTO_IPV6, true, false); |
Jan Engelhardt | a8ad34c | 2008-01-29 13:37:21 +0000 | [diff] [blame] | 1231 | } |
| 1232 | |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 1233 | static void |
| 1234 | conntrack1_mt4_save(const void *ip, const struct xt_entry_match *match) |
| 1235 | { |
| 1236 | const struct xt_conntrack_mtinfo1 *info = (void *)match->data; |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1237 | struct xt_conntrack_mtinfo3 up; |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 1238 | |
| 1239 | cinfo_transform(&up, info); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1240 | conntrack_dump(&up, "--", NFPROTO_IPV4, true, false); |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 1241 | } |
| 1242 | |
| 1243 | static void |
| 1244 | conntrack1_mt6_save(const void *ip, const struct xt_entry_match *match) |
| 1245 | { |
| 1246 | const struct xt_conntrack_mtinfo1 *info = (void *)match->data; |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1247 | struct xt_conntrack_mtinfo3 up; |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 1248 | |
| 1249 | cinfo_transform(&up, info); |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1250 | conntrack_dump(&up, "--", NFPROTO_IPV6, true, false); |
Jan Engelhardt | b97b421 | 2009-06-25 18:46:37 +0200 | [diff] [blame] | 1251 | } |
| 1252 | |
Jan Engelhardt | f2a7752 | 2009-06-25 20:12:12 +0200 | [diff] [blame] | 1253 | static struct xtables_match conntrack_mt_reg[] = { |
| 1254 | { |
| 1255 | .version = XTABLES_VERSION, |
| 1256 | .name = "conntrack", |
| 1257 | .revision = 0, |
| 1258 | .family = NFPROTO_IPV4, |
| 1259 | .size = XT_ALIGN(sizeof(struct xt_conntrack_info)), |
| 1260 | .userspacesize = XT_ALIGN(sizeof(struct xt_conntrack_info)), |
| 1261 | .help = conntrack_mt_help, |
| 1262 | .parse = conntrack_parse, |
| 1263 | .final_check = conntrack_mt_check, |
| 1264 | .print = conntrack_print, |
| 1265 | .save = conntrack_save, |
| 1266 | .extra_opts = conntrack_mt_opts_v0, |
| 1267 | }, |
| 1268 | { |
| 1269 | .version = XTABLES_VERSION, |
| 1270 | .name = "conntrack", |
| 1271 | .revision = 1, |
| 1272 | .family = NFPROTO_IPV4, |
| 1273 | .size = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo1)), |
| 1274 | .userspacesize = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo1)), |
| 1275 | .help = conntrack_mt_help, |
Jan Engelhardt | 8e4daca | 2009-08-05 18:13:11 +0200 | [diff] [blame] | 1276 | .parse = conntrack1_mt4_parse, |
Jan Engelhardt | f2a7752 | 2009-06-25 20:12:12 +0200 | [diff] [blame] | 1277 | .final_check = conntrack_mt_check, |
Jan Engelhardt | 8e4daca | 2009-08-05 18:13:11 +0200 | [diff] [blame] | 1278 | .print = conntrack1_mt4_print, |
| 1279 | .save = conntrack1_mt4_save, |
Jan Engelhardt | f2a7752 | 2009-06-25 20:12:12 +0200 | [diff] [blame] | 1280 | .extra_opts = conntrack_mt_opts, |
| 1281 | }, |
| 1282 | { |
| 1283 | .version = XTABLES_VERSION, |
| 1284 | .name = "conntrack", |
| 1285 | .revision = 1, |
| 1286 | .family = NFPROTO_IPV6, |
| 1287 | .size = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo1)), |
| 1288 | .userspacesize = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo1)), |
| 1289 | .help = conntrack_mt_help, |
Jan Engelhardt | 8e4daca | 2009-08-05 18:13:11 +0200 | [diff] [blame] | 1290 | .parse = conntrack1_mt6_parse, |
| 1291 | .final_check = conntrack_mt_check, |
| 1292 | .print = conntrack1_mt6_print, |
| 1293 | .save = conntrack1_mt6_save, |
| 1294 | .extra_opts = conntrack_mt_opts, |
| 1295 | }, |
| 1296 | { |
| 1297 | .version = XTABLES_VERSION, |
| 1298 | .name = "conntrack", |
| 1299 | .revision = 2, |
| 1300 | .family = NFPROTO_IPV4, |
| 1301 | .size = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo2)), |
| 1302 | .userspacesize = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo2)), |
| 1303 | .help = conntrack_mt_help, |
| 1304 | .parse = conntrack2_mt4_parse, |
| 1305 | .final_check = conntrack_mt_check, |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1306 | .print = conntrack2_mt_print, |
| 1307 | .save = conntrack2_mt_save, |
Jan Engelhardt | 8e4daca | 2009-08-05 18:13:11 +0200 | [diff] [blame] | 1308 | .extra_opts = conntrack_mt_opts, |
| 1309 | }, |
| 1310 | { |
| 1311 | .version = XTABLES_VERSION, |
| 1312 | .name = "conntrack", |
| 1313 | .revision = 2, |
| 1314 | .family = NFPROTO_IPV6, |
| 1315 | .size = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo2)), |
| 1316 | .userspacesize = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo2)), |
| 1317 | .help = conntrack_mt_help, |
| 1318 | .parse = conntrack2_mt6_parse, |
Jan Engelhardt | f2a7752 | 2009-06-25 20:12:12 +0200 | [diff] [blame] | 1319 | .final_check = conntrack_mt_check, |
Patrick McHardy | c8f28cc | 2011-01-20 11:45:12 +0100 | [diff] [blame] | 1320 | .print = conntrack2_mt6_print, |
| 1321 | .save = conntrack2_mt6_save, |
| 1322 | .extra_opts = conntrack_mt_opts, |
| 1323 | }, |
| 1324 | { |
| 1325 | .version = XTABLES_VERSION, |
| 1326 | .name = "conntrack", |
| 1327 | .revision = 3, |
| 1328 | .family = NFPROTO_IPV4, |
| 1329 | .size = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo3)), |
| 1330 | .userspacesize = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo3)), |
| 1331 | .help = conntrack_mt_help, |
| 1332 | .parse = conntrack3_mt4_parse, |
| 1333 | .final_check = conntrack_mt_check, |
| 1334 | .print = conntrack3_mt_print, |
| 1335 | .save = conntrack3_mt_save, |
| 1336 | .extra_opts = conntrack_mt_opts, |
| 1337 | }, |
| 1338 | { |
| 1339 | .version = XTABLES_VERSION, |
| 1340 | .name = "conntrack", |
| 1341 | .revision = 3, |
| 1342 | .family = NFPROTO_IPV6, |
| 1343 | .size = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo3)), |
| 1344 | .userspacesize = XT_ALIGN(sizeof(struct xt_conntrack_mtinfo3)), |
| 1345 | .help = conntrack_mt_help, |
| 1346 | .parse = conntrack3_mt6_parse, |
| 1347 | .final_check = conntrack_mt_check, |
| 1348 | .print = conntrack3_mt6_print, |
| 1349 | .save = conntrack3_mt6_save, |
Jan Engelhardt | f2a7752 | 2009-06-25 20:12:12 +0200 | [diff] [blame] | 1350 | .extra_opts = conntrack_mt_opts, |
| 1351 | }, |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1352 | }; |
| 1353 | |
| 1354 | void _init(void) |
| 1355 | { |
Jan Engelhardt | f2a7752 | 2009-06-25 20:12:12 +0200 | [diff] [blame] | 1356 | xtables_register_matches(conntrack_mt_reg, ARRAY_SIZE(conntrack_mt_reg)); |
Marc Boucher | 5054e85 | 2002-01-19 10:59:12 +0000 | [diff] [blame] | 1357 | } |