From f713cb1e105740c29c0a0906f4eb0ba375f64491 Mon Sep 17 00:00:00 2001 From: Jozsef Kadlecsik Date: Thu, 22 Apr 2010 16:48:33 +0200 Subject: Second stage to ipset-5 Rename files in src/ according to the new naming convention. --- src/ipset_bitmap_port.c | 272 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 272 insertions(+) create mode 100644 src/ipset_bitmap_port.c (limited to 'src/ipset_bitmap_port.c') diff --git a/src/ipset_bitmap_port.c b/src/ipset_bitmap_port.c new file mode 100644 index 0000000..a1065ae --- /dev/null +++ b/src/ipset_bitmap_port.c @@ -0,0 +1,272 @@ +/* Copyright 2004 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#include /* *printf */ +#include /* mem* */ + +#include "ipset.h" + +#include + +#define BUFLEN 30; + +#define OPT_CREATE_FROM 0x01U +#define OPT_CREATE_TO 0x02U + +#define OPT_ADDDEL_PORT 0x01U + +/* Initialize the create. */ +static void +portmap_create_init(void *data UNUSED) +{ + DP("create INIT"); + /* Nothing */ +} + +/* Function which parses command options; returns true if it ate an option */ +static int +portmap_create_parse(int c, char *argv[] UNUSED, void *data, unsigned *flags) +{ + struct ip_set_req_portmap_create *mydata = data; + + DP("create_parse"); + + switch (c) { + case '1': + parse_port(optarg, &mydata->from); + + *flags |= OPT_CREATE_FROM; + + DP("--from %x (%s)", mydata->from, + port_tostring(mydata->from, 0)); + + break; + + case '2': + parse_port(optarg, &mydata->to); + + *flags |= OPT_CREATE_TO; + + DP("--to %x (%s)", mydata->to, + port_tostring(mydata->to, 0)); + + break; + + default: + return 0; + } + + return 1; +} + +/* Final check; exit if not ok. */ +static void +portmap_create_final(void *data, unsigned int flags) +{ + struct ip_set_req_portmap_create *mydata = data; + + if (flags == 0) { + exit_error(PARAMETER_PROBLEM, + "Need to specify --from and --to\n"); + } else { + /* --from --to */ + if ((flags & OPT_CREATE_FROM) == 0 + || (flags & OPT_CREATE_TO) == 0) + exit_error(PARAMETER_PROBLEM, + "Need to specify both --from and --to\n"); + } + + DP("from : %x to: %x diff: %d", mydata->from, mydata->to, + mydata->to - mydata->from); + + if (mydata->from > mydata->to) + exit_error(PARAMETER_PROBLEM, + "From can't be lower than to.\n"); + + if (mydata->to - mydata->from > MAX_RANGE) + exit_error(PARAMETER_PROBLEM, + "Range too large. Max is %d ports in range\n", + MAX_RANGE+1); +} + +/* Create commandline options */ +static const struct option create_opts[] = { + {.name = "from", .has_arg = required_argument, .val = '1'}, + {.name = "to", .has_arg = required_argument, .val = '2'}, + {NULL}, +}; + +/* Add, del, test parser */ +static ip_set_ip_t +portmap_adt_parser(int cmd UNUSED, const char *arg, void *data) +{ + struct ip_set_req_portmap *mydata = data; + + parse_port(arg, &mydata->ip); + DP("%s", port_tostring(mydata->ip, 0)); + + return 1; +} + +/* + * Print and save + */ + +static void +portmap_initheader(struct set *set, const void *data) +{ + const struct ip_set_req_portmap_create *header = data; + struct ip_set_portmap *map = set->settype->header; + + memset(map, 0, sizeof(struct ip_set_portmap)); + map->first_ip = header->from; + map->last_ip = header->to; +} + +static void +portmap_printheader(struct set *set, unsigned options) +{ + struct ip_set_portmap *mysetdata = set->settype->header; + + printf(" from: %s", port_tostring(mysetdata->first_ip, options)); + printf(" to: %s\n", port_tostring(mysetdata->last_ip, options)); +} + +static inline void +__portmap_printips_sorted(struct set *set, void *data, + u_int32_t len UNUSED, unsigned options) +{ + struct ip_set_portmap *mysetdata = set->settype->header; + ip_set_ip_t addr = mysetdata->first_ip; + + DP("%u -- %u", mysetdata->first_ip, mysetdata->last_ip); + while (addr <= mysetdata->last_ip) { + if (test_bit(addr - mysetdata->first_ip, data)) + printf("%s\n", port_tostring(addr, options)); + addr++; + } +} + +static void +portmap_printips_sorted(struct set *set, void *data, + u_int32_t len, unsigned options, + char dont_align) +{ + ip_set_ip_t *ip; + size_t offset = 0; + + if (dont_align) + return __portmap_printips_sorted(set, data, len, options); + + while (offset < len) { + ip = data + offset; + printf("%s\n", port_tostring(*ip, options)); + offset += IPSET_ALIGN(sizeof(ip_set_ip_t)); + } +} + +static void +portmap_saveheader(struct set *set, unsigned options) +{ + struct ip_set_portmap *mysetdata = set->settype->header; + + printf("-N %s %s --from %s", + set->name, + set->settype->typename, + port_tostring(mysetdata->first_ip, options)); + printf(" --to %s\n", + port_tostring(mysetdata->last_ip, options)); +} + +static inline void +__portmap_saveips(struct set *set, void *data, + u_int32_t len UNUSED, unsigned options) +{ + struct ip_set_portmap *mysetdata = set->settype->header; + ip_set_ip_t addr = mysetdata->first_ip; + + while (addr <= mysetdata->last_ip) { + DP("addr: %lu, last_ip %lu", (long unsigned)addr, (long unsigned)mysetdata->last_ip); + if (test_bit(addr - mysetdata->first_ip, data)) + printf("-A %s %s\n", + set->name, + port_tostring(addr, options)); + addr++; + } +} + +static void +portmap_saveips(struct set *set, void *data, + u_int32_t len, unsigned options, + char dont_align) +{ + ip_set_ip_t *ip; + size_t offset = 0; + + if (dont_align) + return __portmap_saveips(set, data, len, options); + + while (offset < len) { + ip = data + offset; + printf("-A %s %s\n", set->name, port_tostring(*ip, options)); + offset += IPSET_ALIGN(sizeof(ip_set_ip_t)); + } +} + +static void +portmap_usage(void) +{ + printf + ("-N set portmap --from PORT --to PORT\n" + "-A set PORT\n" + "-D set PORT\n" + "-T set PORT\n"); +} + +static struct settype settype_portmap = { + .typename = SETTYPE_NAME, + .protocol_version = IP_SET_PROTOCOL_VERSION, + + /* Create */ + .create_size = sizeof(struct ip_set_req_portmap_create), + .create_init = portmap_create_init, + .create_parse = portmap_create_parse, + .create_final = portmap_create_final, + .create_opts = create_opts, + + /* Add/del/test */ + .adt_size = sizeof(struct ip_set_req_portmap), + .adt_parser = portmap_adt_parser, + + /* Printing */ + .header_size = sizeof(struct ip_set_portmap), + .initheader = portmap_initheader, + .printheader = portmap_printheader, + .printips = portmap_printips_sorted, + .printips_sorted = portmap_printips_sorted, + .saveheader = portmap_saveheader, + .saveips = portmap_saveips, + + .usage = portmap_usage, +}; + +CONSTRUCTOR(portmap) +{ + settype_register(&settype_portmap); + +} -- cgit v1.2.3