X-Git-Url: http://git.archive.openwrt.org/?p=project%2Ffirewall3.git;a=blobdiff_plain;f=main.c;h=d4d7b7b6aa577539faaa8859158170ac38ac0884;hp=e5848276f420432cadf2d8c05a76d3c1f5a55a4e;hb=eb2a20924afd979feb485298111ced679de42aa0;hpb=bd574af529c0661c125336bdd9d0d1f2e09287c3 diff --git a/main.c b/main.c index e584827..d4d7b7b 100644 --- a/main.c +++ b/main.c @@ -40,6 +40,9 @@ build_state(void) struct fw3_state *state = NULL; struct uci_package *p = NULL; + if (!fw3_ubus_connect()) + error("Failed to connect to ubus"); + state = malloc(sizeof(*state)); if (!state) @@ -132,7 +135,7 @@ restore_pipe(enum fw3_family family, bool silent) static bool family_running(struct fw3_state *state, enum fw3_family family) { - return hasbit(state->running_defaults.flags, family); + return has(state->defaults.flags, family, family); } static bool @@ -141,37 +144,36 @@ family_used(enum fw3_family family) return (use_family == FW3_FAMILY_ANY) || (use_family == family); } -static bool -family_loaded(struct fw3_state *state, enum fw3_family family) -{ - return hasbit(state->defaults.flags, family); -} - static void family_set(struct fw3_state *state, enum fw3_family family, bool set) { if (set) - setbit(state->defaults.flags, family); + set(state->defaults.flags, family, family); else - delbit(state->defaults.flags, family); + del(state->defaults.flags, family, family); } static int -stop(struct fw3_state *state, bool complete, bool restart) +stop(struct fw3_state *state, bool complete, bool reload) { + FILE *ct; + int rv = 1; enum fw3_family family; enum fw3_table table; if (!complete && !state->statefile) { - if (!restart) + if (!reload) warn("The firewall appears to be stopped. " "Use the 'flush' command to forcefully purge all rules."); return rv; } + if (!print_rules) + fw3_hotplug_zones(state, false); + for (family = FW3_FAMILY_V4; family <= FW3_FAMILY_V6; family++) { if (!complete && !family_running(state, family)) @@ -180,15 +182,13 @@ stop(struct fw3_state *state, bool complete, bool restart) if (!family_used(family) || !restore_pipe(family, true)) continue; - info("Removing %s rules ...", fw3_flag_names[family]); - for (table = FW3_TABLE_FILTER; table <= FW3_TABLE_RAW; table++) { if (!fw3_has_table(family == FW3_FAMILY_V6, fw3_flag_names[table])) continue; - info(" * %sing %s table", - complete ? "Flush" : "Clear", fw3_flag_names[table]); + info(" * %sing %s %s table", complete ? "Flush" : "Clear", + fw3_flag_names[family], fw3_flag_names[table]); fw3_pr("*%s\n", fw3_flag_names[table]); @@ -199,12 +199,12 @@ stop(struct fw3_state *state, bool complete, bool restart) else { /* pass 1 */ - fw3_flush_rules(table, family, false, state); - fw3_flush_zones(table, family, false, state); + fw3_flush_rules(state, family, table, reload, false); + fw3_flush_zones(state, family, table, reload, false); /* pass 2 */ - fw3_flush_rules(table, family, true, state); - fw3_flush_zones(table, family, true, state); + fw3_flush_rules(state, family, table, reload, true); + fw3_flush_zones(state, family, table, reload, true); } fw3_pr("COMMIT\n"); @@ -212,16 +212,26 @@ stop(struct fw3_state *state, bool complete, bool restart) fw3_command_close(); - if (!restart) + if (!reload) + { + if (fw3_command_pipe(false, "ipset", "-exist", "-")) + { + fw3_destroy_ipsets(state, family); + fw3_command_close(); + } + family_set(state, family, false); + } rv = 0; } - if (!restart && fw3_command_pipe(false, "ipset", "-exist", "-")) + if (complete && (ct = fopen("/proc/net/nf_conntrack", "w")) != NULL) { - fw3_destroy_ipsets(state); - fw3_command_close(); + info(" * Flushing conntrack table ..."); + + fwrite("f\n", 2, 1, ct); + fclose(ct); } if (!rv) @@ -231,17 +241,19 @@ stop(struct fw3_state *state, bool complete, bool restart) } static int -start(struct fw3_state *state, bool restart) +start(struct fw3_state *state, bool reload) { int rv = 1; enum fw3_family family; enum fw3_table table; - if (!print_rules && !restart && - fw3_command_pipe(false, "ipset", "-exist", "-")) + if (!print_rules && !reload) { - fw3_create_ipsets(state); - fw3_command_close(); + if (fw3_command_pipe(false, "ipset", "-exist", "-")) + { + fw3_create_ipsets(state); + fw3_command_close(); + } } for (family = FW3_FAMILY_V4; family <= FW3_FAMILY_V6; family++) @@ -249,7 +261,7 @@ start(struct fw3_state *state, bool restart) if (!family_used(family)) continue; - if (!print_rules && !restart && family_running(state, family)) + if (!print_rules && !reload && family_running(state, family)) { warn("The %s firewall appears to be started already. " "If it is indeed empty, remove the %s file and retry.", @@ -258,38 +270,48 @@ start(struct fw3_state *state, bool restart) continue; } - if (!family_loaded(state, family) || !restore_pipe(family, false)) + if (!restore_pipe(family, false)) continue; - info("Constructing %s rules ...", fw3_flag_names[family]); - for (table = FW3_TABLE_FILTER; table <= FW3_TABLE_RAW; table++) { if (!fw3_has_table(family == FW3_FAMILY_V6, fw3_flag_names[table])) continue; - info(" * Populating %s table", fw3_flag_names[table]); + info(" * Populating %s %s table", + fw3_flag_names[family], fw3_flag_names[table]); fw3_pr("*%s\n", fw3_flag_names[table]); - fw3_print_default_chains(table, family, state); - fw3_print_zone_chains(table, family, state); - fw3_print_default_head_rules(table, family, state); - fw3_print_rules(table, family, state); - fw3_print_redirects(table, family, state); - fw3_print_forwards(table, family, state); - fw3_print_zone_rules(table, family, state); - fw3_print_default_tail_rules(table, family, state); + fw3_print_default_chains(state, family, table, reload); + fw3_print_zone_chains(state, family, table, reload); + fw3_print_default_head_rules(state, family, table, reload); + fw3_print_rules(state, family, table); + fw3_print_redirects(state, family, table); + fw3_print_forwards(state, family, table); + fw3_print_zone_rules(state, family, table, reload); + fw3_print_default_tail_rules(state, family, table, reload); fw3_pr("COMMIT\n"); } + fw3_print_includes(state, family, reload); + fw3_command_close(); family_set(state, family, true); rv = 0; } - if (!rv && !print_rules) - fw3_write_statefile(state); + if (!rv) + { + fw3_set_defaults(state); + + if (!print_rules) + { + fw3_run_includes(state, reload); + fw3_hotplug_zones(state, true); + fw3_write_statefile(state); + } + } return rv; } @@ -339,7 +361,7 @@ lookup_device(struct fw3_state *state, const char *dev) static int usage(void) { - fprintf(stderr, "fw3 [-4] [-6] [-q] {start|stop|flush|restart|print}\n"); + fprintf(stderr, "fw3 [-4] [-6] [-q] {start|stop|flush|reload|restart|print}\n"); fprintf(stderr, "fw3 [-q] network {net}\n"); fprintf(stderr, "fw3 [-q] device {dev}\n"); @@ -353,7 +375,7 @@ int main(int argc, char **argv) struct fw3_state *state = NULL; struct fw3_defaults *defs = NULL; - while ((ch = getopt(argc, argv, "46qh")) != -1) + while ((ch = getopt(argc, argv, "46dqh")) != -1) { switch (ch) { @@ -365,6 +387,10 @@ int main(int argc, char **argv) use_family = FW3_FAMILY_V6; break; + case 'd': + fw3_pr_debug = true; + break; + case 'q': freopen("/dev/null", "w", stderr); break; @@ -375,15 +401,9 @@ int main(int argc, char **argv) } } - if (!fw3_ubus_connect()) - error("Failed to connect to ubus"); - state = build_state(); defs = &state->defaults; - if (!fw3_lock()) - goto out; - if (optind >= argc) { rv = usage(); @@ -407,20 +427,50 @@ int main(int argc, char **argv) } else if (!strcmp(argv[optind], "start")) { - rv = start(state, false); + if (fw3_lock()) + { + rv = start(state, false); + fw3_unlock(); + } } else if (!strcmp(argv[optind], "stop")) { - rv = stop(state, false, false); + if (fw3_lock()) + { + rv = stop(state, false, false); + fw3_unlock(); + } } else if (!strcmp(argv[optind], "flush")) { - rv = stop(state, true, false); + if (fw3_lock()) + { + rv = stop(state, true, false); + fw3_unlock(); + } } else if (!strcmp(argv[optind], "restart")) { - rv = stop(state, false, true); - rv = start(state, !rv); + if (fw3_lock()) + { + stop(state, true, false); + free_state(state); + + state = build_state(); + rv = start(state, false); + + fw3_unlock(); + } + } + else if (!strcmp(argv[optind], "reload")) + { + if (fw3_lock()) + { + rv = stop(state, false, true); + rv = start(state, !rv); + + fw3_unlock(); + } } else if (!strcmp(argv[optind], "network") && (optind + 1) < argc) { @@ -439,7 +489,5 @@ out: if (state) free_state(state); - fw3_unlock(); - return rv; }