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  • Committer: Bazaar Package Importer
  • Author(s): Nicolas Valcárcel Scerpella
  • Date: 2009-05-06 16:35:21 UTC
  • mfrom: (5.1.6 upstream) (2.1.2 lenny)
  • Revision ID: james.westby@ubuntu.com-20090506163521-2hbruo0m33h04wxf
Tags: 1.4.3.2-2ubuntu1
https://launchpad.net/bugs/372920
* Merge from debian unstable (LP: #372920), remaining changes:
  - Don't fail to run iptables-save if iptables module isn't loaded.
  - debian/patches/0901-build-libipq_pic.a.patch - Build libipq_pic.a with
    -fPIC. Upstream changed build system and patch modified accordingly.
  - Revert changes between 1.4.1.1-3 and 1.4.1.1-4, thus bringing back
    the howtos.
* Droped unexistent patches from debian/patches/series
* Droped 0903-autoload-module-in-iptables-save.diff, fixed upstream
* Added linuxdoc-tools to Build-Depends
* Modified debian/iptables{,-dev}.install to match DM syntax 
  (removed debian/tmp)

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Lines of Context:
extensions/libip6t_hl.c
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include <ip6tables.h>
 
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#include <xtables.h>
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#include <linux/netfilter_ipv6/ip6_tables.h>
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#include <linux/netfilter_ipv6/ip6t_hl.h>
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static void hl_help(void)
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{
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        printf(
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"hl match options:\n"
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"  --hl-eq [!] value    Match hop limit value\n"
 
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"[!] --hl-eq value      Match hop limit value\n"
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"  --hl-lt value        Match HL < value\n"
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"  --hl-gt value        Match HL > value\n");
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}
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        struct ip6t_hl_info *info = (struct ip6t_hl_info *) (*match)->data;
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        u_int8_t value;
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        check_inverse(optarg, &invert, &optind, 0);
 
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        xtables_check_inverse(optarg, &invert, &optind, 0);
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        value = atoi(argv[optind-1]);
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        if (*flags) 
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                exit_error(PARAMETER_PROBLEM, 
 
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                xtables_error(PARAMETER_PROBLEM,
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                                "Can't specify HL option twice");
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        if (!optarg)
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                exit_error(PARAMETER_PROBLEM,
 
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                xtables_error(PARAMETER_PROBLEM,
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                                "hl: You must specify a value");
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        switch (c) {
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                case '2':
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                        break;
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                case '3':
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                        if (invert) 
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                                exit_error(PARAMETER_PROBLEM,
 
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                                xtables_error(PARAMETER_PROBLEM,
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                                                "hl: unexpected `!'");
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                        info->mode = IP6T_HL_LT;
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                        break;
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                case '4':
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                        if (invert)
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                                exit_error(PARAMETER_PROBLEM,
 
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                                xtables_error(PARAMETER_PROBLEM,
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                                                "hl: unexpected `!'");
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                        info->mode = IP6T_HL_GT;
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static void hl_check(unsigned int flags)
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{
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        if (!flags) 
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                exit_error(PARAMETER_PROBLEM,
 
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                xtables_error(PARAMETER_PROBLEM,
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                        "HL match: You must specify one of "
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                        "`--hl-eq', `--hl-lt', `--hl-gt'");
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}
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static void hl_save(const void *ip, const struct xt_entry_match *match)
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{
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        static const char *op[] = {
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                [IP6T_HL_EQ] = "eq",
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                [IP6T_HL_NE] = "eq !",
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                [IP6T_HL_LT] = "lt",
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                [IP6T_HL_GT] = "gt" };
 
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        static const char *const op[] = {
 
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                [IP6T_HL_EQ] = "--hl-eq",
 
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                [IP6T_HL_NE] = "! --hl-eq",
 
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                [IP6T_HL_LT] = "--hl-lt",
 
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                [IP6T_HL_GT] = "--hl-gt" };
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        const struct ip6t_hl_info *info =
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                (struct ip6t_hl_info *) match->data;
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        printf("--hl-%s %u ", op[info->mode], info->hop_limit);
 
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        printf("%s %u ", op[info->mode], info->hop_limit);
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}
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static const struct option hl_opts[] = {
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static struct xtables_match hl_mt6_reg = {
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        .name          = "hl",
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        .version       = XTABLES_VERSION,
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        .family        = PF_INET6,
 
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        .family        = NFPROTO_IPV6,
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        .size          = XT_ALIGN(sizeof(struct ip6t_hl_info)),
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        .userspacesize = XT_ALIGN(sizeof(struct ip6t_hl_info)),
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        .help          = hl_help,