Also read addresses from "ipv6-prefix-assignment" ifstatus table
[project/firewall3.git] / main.c
diff --git a/main.c b/main.c
index 6eb002f..d4d7b7b 100644 (file)
--- a/main.c
+++ b/main.c
@@ -135,7 +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
@@ -144,37 +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))
@@ -183,15 +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]);
 
@@ -202,12 +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");
@@ -215,16 +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)
@@ -240,11 +247,13 @@ start(struct fw3_state *state, bool reload)
        enum fw3_family family;
        enum fw3_table table;
 
-       if (!print_rules && !reload &&
-           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++)
@@ -261,32 +270,30 @@ start(struct fw3_state *state, bool reload)
                        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");
                }
 
-               if (!reload)
-                       fw3_print_includes(family, state);
+               fw3_print_includes(state, family, reload);
 
                fw3_command_close();
                family_set(state, family, true);
@@ -294,11 +301,17 @@ start(struct fw3_state *state, bool reload)
                rv = 0;
        }
 
-       if (!reload && !print_rules)
-               fw3_run_includes(state);
+       if (!rv)
+       {
+               fw3_set_defaults(state);
 
-       if (!rv && !print_rules)
-               fw3_write_statefile(state);
+               if (!print_rules)
+               {
+                       fw3_run_includes(state, reload);
+                       fw3_hotplug_zones(state, true);
+                       fw3_write_statefile(state);
+               }
+       }
 
        return rv;
 }
@@ -362,7 +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)
                {
@@ -374,6 +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;
@@ -387,9 +404,6 @@ int main(int argc, char **argv)
        state = build_state();
        defs = &state->defaults;
 
-       if (!fw3_lock())
-               goto out;
-
        if (optind >= argc)
        {
                rv = usage();
@@ -413,28 +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"))
        {
-               stop(state, true, false);
-               free_state(state);
+               if (fw3_lock())
+               {
+                       stop(state, true, false);
+                       free_state(state);
 
-               state = build_state();
-               rv = start(state, false);
+                       state = build_state();
+                       rv = start(state, false);
+
+                       fw3_unlock();
+               }
        }
        else if (!strcmp(argv[optind], "reload"))
        {
-               rv = stop(state, false, true);
-               rv = start(state, !rv);
+               if (fw3_lock())
+               {
+                       rv = stop(state, false, true);
+                       rv = start(state, !rv);
+
+                       fw3_unlock();
+               }
        }
        else if (!strcmp(argv[optind], "network") && (optind + 1) < argc)
        {
@@ -453,7 +489,5 @@ out:
        if (state)
                free_state(state);
 
-       fw3_unlock();
-
        return rv;
 }