diff options
author | Jan Engelhardt <jengelh@medozas.de> | 2011-05-12 12:21:59 +0200 |
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committer | Jan Engelhardt <jengelh@medozas.de> | 2011-05-12 12:21:59 +0200 |
commit | 449cdd6bcc8d1867bbd26ecbcae9832ab01eb04a (patch) | |
tree | b67a56274742203611051cb0d93e991e9f69fc9c /xshared.c | |
parent | dcd1ad89105faf1f3a9a3febdb970b70c5466518 (diff) |
src: combine default_command functions
Diffstat (limited to 'xshared.c')
-rw-r--r-- | xshared.c | 70 |
1 files changed, 70 insertions, 0 deletions
@@ -1,3 +1,4 @@ +#include <getopt.h> #include <libgen.h> #include <netdb.h> #include <stdbool.h> @@ -103,6 +104,75 @@ struct xtables_match *load_proto(struct iptables_command_state *cs) cs->options & OPT_NUMERIC, &cs->matches); } +void command_default(struct iptables_command_state *cs, + struct xtables_globals *gl) +{ + struct xtables_rule_match *matchp; + struct xtables_match *m; + + if (cs->target != NULL && + (cs->target->parse != NULL || cs->target->x6_parse != NULL) && + cs->c >= cs->target->option_offset && + cs->c < cs->target->option_offset + XT_OPTION_OFFSET_SCALE) { + xtables_option_tpcall(cs->c, cs->argv, cs->invert, + cs->target, &cs->fw); + return; + } + + for (matchp = cs->matches; matchp; matchp = matchp->next) { + m = matchp->match; + + if (matchp->completed || + (m->x6_parse == NULL && m->parse == NULL)) + continue; + if (cs->c < matchp->match->option_offset || + cs->c >= matchp->match->option_offset + XT_OPTION_OFFSET_SCALE) + continue; + xtables_option_mpcall(cs->c, cs->argv, cs->invert, m, &cs->fw); + return; + } + + /* Try loading protocol */ + m = load_proto(cs); + if (m != NULL) { + size_t size; + + cs->proto_used = 1; + + size = XT_ALIGN(sizeof(struct ip6t_entry_match)) + m->size; + + m->m = xtables_calloc(1, size); + m->m->u.match_size = size; + strcpy(m->m->u.user.name, m->name); + m->m->u.user.revision = m->revision; + if (m->init != NULL) + m->init(m->m); + + if (m->x6_options != NULL) + gl->opts = xtables_options_xfrm(gl->orig_opts, + gl->opts, + m->x6_options, + &m->option_offset); + else + gl->opts = xtables_merge_options(gl->orig_opts, + gl->opts, + m->extra_opts, + &m->option_offset); + if (gl->opts == NULL) + xtables_error(OTHER_PROBLEM, "can't alloc memory!"); + optind--; + return; + } + + if (cs->c == ':') + xtables_error(PARAMETER_PROBLEM, "option \"%s\" " + "requires an argument", cs->argv[optind-1]); + if (cs->c == '?') + xtables_error(PARAMETER_PROBLEM, "unknown option " + "\"%s\"", cs->argv[optind-1]); + xtables_error(PARAMETER_PROBLEM, "Unknown arg \"%s\"", optarg); +} + static mainfunc_t subcmd_get(const char *cmd, const struct subcommand *cb) { for (; cb->name != NULL; ++cb) |