mirror of https://github.com/hak5/openwrt.git
266 lines
7.2 KiB
Diff
266 lines
7.2 KiB
Diff
--- a/extensions/libxt_multiport.c
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+++ b/extensions/libxt_multiport.c
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@@ -15,21 +15,6 @@
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#include <linux/netfilter/xt_multiport.h>
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/* Function which prints out usage message. */
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-static void multiport_help(void)
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-{
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- printf(
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-"multiport match options:\n"
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-" --source-ports port[,port,port...]\n"
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-" --sports ...\n"
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-" match source port(s)\n"
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-" --destination-ports port[,port,port...]\n"
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-" --dports ...\n"
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-" match destination port(s)\n"
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-" --ports port[,port,port]\n"
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-" match both source and destination port(s)\n"
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-" NOTE: this kernel does not support port ranges in multiport.\n");
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-}
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-
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static void multiport_help_v1(void)
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{
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printf(
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@@ -72,26 +57,6 @@ proto_to_name(u_int8_t proto)
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}
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}
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-static unsigned int
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-parse_multi_ports(const char *portstring, u_int16_t *ports, const char *proto)
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-{
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- char *buffer, *cp, *next;
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- unsigned int i;
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-
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- buffer = strdup(portstring);
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- if (!buffer) xtables_error(OTHER_PROBLEM, "strdup failed");
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-
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- for (cp=buffer, i=0; cp && i<XT_MULTI_PORTS; cp=next,i++)
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- {
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- next=strchr(cp, ',');
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- if (next) *next++='\0';
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- ports[i] = xtables_parse_port(cp, proto);
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- }
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- if (cp) xtables_error(PARAMETER_PROBLEM, "too many ports specified");
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- free(buffer);
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- return i;
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-}
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-
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static void
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parse_multi_ports_v1(const char *portstring,
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struct xt_multiport_v1 *multiinfo,
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@@ -155,73 +120,6 @@ check_proto(u_int16_t pnum, u_int8_t inv
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/* Function which parses command options; returns true if it
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ate an option */
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static int
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-__multiport_parse(int c, char **argv, int invert, unsigned int *flags,
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- struct xt_entry_match **match, u_int16_t pnum,
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- u_int8_t invflags)
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-{
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- const char *proto;
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- struct xt_multiport *multiinfo
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- = (struct xt_multiport *)(*match)->data;
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-
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- switch (c) {
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- case '1':
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- xtables_check_inverse(optarg, &invert, &optind, 0, argv);
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- proto = check_proto(pnum, invflags);
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- multiinfo->count = parse_multi_ports(optarg,
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- multiinfo->ports, proto);
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- multiinfo->flags = XT_MULTIPORT_SOURCE;
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- break;
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-
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- case '2':
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- xtables_check_inverse(optarg, &invert, &optind, 0, argv);
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- proto = check_proto(pnum, invflags);
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- multiinfo->count = parse_multi_ports(optarg,
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- multiinfo->ports, proto);
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- multiinfo->flags = XT_MULTIPORT_DESTINATION;
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- break;
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-
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- case '3':
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- xtables_check_inverse(optarg, &invert, &optind, 0, argv);
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- proto = check_proto(pnum, invflags);
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- multiinfo->count = parse_multi_ports(optarg,
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- multiinfo->ports, proto);
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- multiinfo->flags = XT_MULTIPORT_EITHER;
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- break;
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-
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- default:
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- return 0;
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- }
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-
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- if (invert)
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- xtables_error(PARAMETER_PROBLEM,
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- "multiport does not support invert");
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-
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- if (*flags)
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- xtables_error(PARAMETER_PROBLEM,
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- "multiport can only have one option");
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- *flags = 1;
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- return 1;
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-}
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-
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-static int
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-multiport_parse(int c, char **argv, int invert, unsigned int *flags,
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- const void *e, struct xt_entry_match **match)
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-{
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- const struct ipt_entry *entry = e;
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- return __multiport_parse(c, argv, invert, flags, match,
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- entry->ip.proto, entry->ip.invflags);
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-}
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-
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-static int
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-multiport_parse6(int c, char **argv, int invert, unsigned int *flags,
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- const void *e, struct xt_entry_match **match)
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-{
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- const struct ip6t_entry *entry = e;
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- return __multiport_parse(c, argv, invert, flags, match,
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- entry->ipv6.proto, entry->ipv6.invflags);
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-}
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-
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-static int
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__multiport_parse_v1(int c, char **argv, int invert, unsigned int *flags,
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struct xt_entry_match **match, u_int16_t pnum,
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u_int8_t invflags)
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@@ -314,55 +212,6 @@ print_port(u_int16_t port, u_int8_t prot
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}
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/* Prints out the matchinfo. */
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-static void
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-__multiport_print(const struct xt_entry_match *match, int numeric,
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- u_int16_t proto)
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-{
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- const struct xt_multiport *multiinfo
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- = (const struct xt_multiport *)match->data;
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- unsigned int i;
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-
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- printf("multiport ");
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-
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- switch (multiinfo->flags) {
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- case XT_MULTIPORT_SOURCE:
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- printf("sports ");
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- break;
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-
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- case XT_MULTIPORT_DESTINATION:
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- printf("dports ");
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- break;
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-
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- case XT_MULTIPORT_EITHER:
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- printf("ports ");
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- break;
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-
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- default:
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- printf("ERROR ");
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- break;
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- }
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-
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- for (i=0; i < multiinfo->count; i++) {
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- printf("%s", i ? "," : "");
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- print_port(multiinfo->ports[i], proto, numeric);
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- }
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- printf(" ");
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-}
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-
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-static void multiport_print(const void *ip_void,
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- const struct xt_entry_match *match, int numeric)
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-{
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- const struct ipt_ip *ip = ip_void;
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- __multiport_print(match, numeric, ip->proto);
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-}
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-
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-static void multiport_print6(const void *ip_void,
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- const struct xt_entry_match *match, int numeric)
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-{
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- const struct ip6t_ip6 *ip = ip_void;
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- __multiport_print(match, numeric, ip->proto);
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-}
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-
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static void __multiport_print_v1(const struct xt_entry_match *match,
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int numeric, u_int16_t proto)
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{
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@@ -419,48 +268,6 @@ static void multiport_print6_v1(const vo
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}
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/* Saves the union ipt_matchinfo in parsable form to stdout. */
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-static void __multiport_save(const struct xt_entry_match *match,
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- u_int16_t proto)
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-{
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- const struct xt_multiport *multiinfo
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- = (const struct xt_multiport *)match->data;
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- unsigned int i;
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-
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- switch (multiinfo->flags) {
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- case XT_MULTIPORT_SOURCE:
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- printf("--sports ");
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- break;
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-
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- case XT_MULTIPORT_DESTINATION:
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- printf("--dports ");
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- break;
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-
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- case XT_MULTIPORT_EITHER:
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- printf("--ports ");
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- break;
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- }
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-
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- for (i=0; i < multiinfo->count; i++) {
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- printf("%s", i ? "," : "");
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- print_port(multiinfo->ports[i], proto, 1);
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- }
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- printf(" ");
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-}
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-
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-static void multiport_save(const void *ip_void,
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- const struct xt_entry_match *match)
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-{
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- const struct ipt_ip *ip = ip_void;
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- __multiport_save(match, ip->proto);
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-}
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-
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-static void multiport_save6(const void *ip_void,
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- const struct xt_entry_match *match)
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-{
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- const struct ip6t_ip6 *ip = ip_void;
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- __multiport_save(match, ip->proto);
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-}
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-
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static void __multiport_save_v1(const struct xt_entry_match *match,
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u_int16_t proto)
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{
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@@ -514,34 +321,6 @@ static struct xtables_match multiport_mt
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{
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.family = NFPROTO_IPV4,
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.name = "multiport",
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- .revision = 0,
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- .version = XTABLES_VERSION,
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- .size = XT_ALIGN(sizeof(struct xt_multiport)),
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- .userspacesize = XT_ALIGN(sizeof(struct xt_multiport)),
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- .help = multiport_help,
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- .parse = multiport_parse,
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- .final_check = multiport_check,
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- .print = multiport_print,
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- .save = multiport_save,
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- .extra_opts = multiport_opts,
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- },
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- {
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- .family = NFPROTO_IPV6,
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- .name = "multiport",
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- .revision = 0,
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- .version = XTABLES_VERSION,
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- .size = XT_ALIGN(sizeof(struct xt_multiport)),
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- .userspacesize = XT_ALIGN(sizeof(struct xt_multiport)),
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- .help = multiport_help,
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- .parse = multiport_parse6,
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- .final_check = multiport_check,
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- .print = multiport_print6,
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- .save = multiport_save6,
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- .extra_opts = multiport_opts,
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- },
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- {
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- .family = NFPROTO_IPV4,
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- .name = "multiport",
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.version = XTABLES_VERSION,
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.revision = 1,
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.size = XT_ALIGN(sizeof(struct xt_multiport_v1)),
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