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author | edward-p | 2018-08-25 01:27:03 +0800 |
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committer | edward-p | 2018-08-25 01:27:03 +0800 |
commit | 621247497eb521fa4c2316076cdd5a215b6fb3b4 (patch) | |
tree | 9356522795e2e621eb069b94c0adf206a0d63c16 | |
parent | 4910a9bbf482dd7334bb31e6f3d16c4529f04303 (diff) | |
download | aur-621247497eb521fa4c2316076cdd5a215b6fb3b4.tar.gz |
remove libipt_FULLCONNAT.c
-rw-r--r-- | libipt_FULLCONENAT.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/libipt_FULLCONENAT.c b/libipt_FULLCONENAT.c deleted file mode 100644 index 9965cd7e09c1..000000000000 --- a/libipt_FULLCONENAT.c +++ /dev/null @@ -1,171 +0,0 @@ -#include <stdio.h> -#include <netdb.h> -#include <string.h> -#include <stdlib.h> -#include <getopt.h> -#include <xtables.h> -#include <limits.h> /* INT_MAX in ip_tables.h */ -#include <linux/netfilter_ipv4/ip_tables.h> -#include <linux/netfilter/nf_nat.h> - -#ifndef NF_NAT_RANGE_PROTO_RANDOM_FULLY -#define NF_NAT_RANGE_PROTO_RANDOM_FULLY (1 << 4) -#endif - -enum { - O_TO_PORTS = 0, - O_RANDOM, - O_RANDOM_FULLY, -}; - -static void FULLCONENAT_help(void) -{ - printf( -"FULLCONENAT target options:\n" -" --to-ports <port>[-<port>]\n" -" Port (range) to map to.\n" -" --random\n" -" Randomize source port.\n" -" --random-fully\n" -" Fully randomize source port.\n"); -} - -static const struct xt_option_entry FULLCONENAT_opts[] = { - {.name = "to-ports", .id = O_TO_PORTS, .type = XTTYPE_STRING}, - {.name = "random", .id = O_RANDOM, .type = XTTYPE_NONE}, - {.name = "random-fully", .id = O_RANDOM_FULLY, .type = XTTYPE_NONE}, - XTOPT_TABLEEND, -}; - -static void FULLCONENAT_init(struct xt_entry_target *t) -{ - struct nf_nat_ipv4_multi_range_compat *mr = (struct nf_nat_ipv4_multi_range_compat *)t->data; - - /* Actually, it's 0, but it's ignored at the moment. */ - mr->rangesize = 1; -} - -/* Parses ports */ -static void -parse_ports(const char *arg, struct nf_nat_ipv4_multi_range_compat *mr) -{ - char *end; - unsigned int port, maxport; - - mr->range[0].flags |= NF_NAT_RANGE_PROTO_SPECIFIED; - - if (!xtables_strtoui(arg, &end, &port, 0, UINT16_MAX)) - xtables_param_act(XTF_BAD_VALUE, "FULLCONENAT", "--to-ports", arg); - - switch (*end) { - case '\0': - mr->range[0].min.tcp.port - = mr->range[0].max.tcp.port - = htons(port); - return; - case '-': - if (!xtables_strtoui(end + 1, NULL, &maxport, 0, UINT16_MAX)) - break; - - if (maxport < port) - break; - - mr->range[0].min.tcp.port = htons(port); - mr->range[0].max.tcp.port = htons(maxport); - return; - default: - break; - } - xtables_param_act(XTF_BAD_VALUE, "FULLCONENAT", "--to-ports", arg); -} - -static void FULLCONENAT_parse(struct xt_option_call *cb) -{ - const struct ipt_entry *entry = cb->xt_entry; - int portok; - struct nf_nat_ipv4_multi_range_compat *mr = cb->data; - - if (entry->ip.proto == IPPROTO_TCP - || entry->ip.proto == IPPROTO_UDP - || entry->ip.proto == IPPROTO_SCTP - || entry->ip.proto == IPPROTO_DCCP - || entry->ip.proto == IPPROTO_ICMP) - portok = 1; - else - portok = 0; - - xtables_option_parse(cb); - switch (cb->entry->id) { - case O_TO_PORTS: - if (!portok) - xtables_error(PARAMETER_PROBLEM, - "Need TCP, UDP, SCTP or DCCP with port specification"); - parse_ports(cb->arg, mr); - break; - case O_RANDOM: - mr->range[0].flags |= NF_NAT_RANGE_PROTO_RANDOM; - break; - case O_RANDOM_FULLY: - mr->range[0].flags |= NF_NAT_RANGE_PROTO_RANDOM_FULLY; - break; - } -} - -static void -FULLCONENAT_print(const void *ip, const struct xt_entry_target *target, - int numeric) -{ - const struct nf_nat_ipv4_multi_range_compat *mr = (const void *)target->data; - const struct nf_nat_ipv4_range *r = &mr->range[0]; - - if (r->flags & NF_NAT_RANGE_PROTO_SPECIFIED) { - printf(" masq ports: "); - printf("%hu", ntohs(r->min.tcp.port)); - if (r->max.tcp.port != r->min.tcp.port) - printf("-%hu", ntohs(r->max.tcp.port)); - } - - if (r->flags & NF_NAT_RANGE_PROTO_RANDOM) - printf(" random"); - - if (r->flags & NF_NAT_RANGE_PROTO_RANDOM_FULLY) - printf(" random-fully"); -} - -static void -FULLCONENAT_save(const void *ip, const struct xt_entry_target *target) -{ - const struct nf_nat_ipv4_multi_range_compat *mr = (const void *)target->data; - const struct nf_nat_ipv4_range *r = &mr->range[0]; - - if (r->flags & NF_NAT_RANGE_PROTO_SPECIFIED) { - printf(" --to-ports %hu", ntohs(r->min.tcp.port)); - if (r->max.tcp.port != r->min.tcp.port) - printf("-%hu", ntohs(r->max.tcp.port)); - } - - if (r->flags & NF_NAT_RANGE_PROTO_RANDOM) - printf(" --random"); - - if (r->flags & NF_NAT_RANGE_PROTO_RANDOM_FULLY) - printf(" --random-fully"); -} - -static struct xtables_target fullconenat_tg_reg = { - .name = "FULLCONENAT", - .version = XTABLES_VERSION, - .family = NFPROTO_IPV4, - .size = XT_ALIGN(sizeof(struct nf_nat_ipv4_multi_range_compat)), - .userspacesize = XT_ALIGN(sizeof(struct nf_nat_ipv4_multi_range_compat)), - .help = FULLCONENAT_help, - .init = FULLCONENAT_init, - .x6_parse = FULLCONENAT_parse, - .print = FULLCONENAT_print, - .save = FULLCONENAT_save, - .x6_options = FULLCONENAT_opts, -}; - -void _init(void) -{ - xtables_register_target(&fullconenat_tg_reg); -} |