X-Git-Url: http://git.archive.openwrt.org/?p=project%2Ffirewall3.git;a=blobdiff_plain;f=utils.c;h=c9ca2069af832b8cd48b101623f69791367b86be;hp=a5d0082415dfb1152dc47d7fda94e1cd20ed1a51;hb=275a37dbf280bd471ebb2c673267c49a81071bbb;hpb=a60a91f643e2bceb202cc4c965c47dc6325c1f02 diff --git a/utils.c b/utils.c index a5d0082..c9ca206 100644 --- a/utils.c +++ b/utils.c @@ -19,6 +19,10 @@ #include "utils.h" #include "options.h" +#include "zones.h" +#include "ipsets.h" + + static int lock_fd = -1; static pid_t pipe_pid = -1; static FILE *pipe_fd = NULL; @@ -332,20 +336,112 @@ fw3_unlock(void) } -bool fw3_has_state(void) +bool +fw3_read_statefile(void *state) { - struct stat s; - return !stat(FW3_STATEFILE, &s); + FILE *sf; + + int n, type; + char line[128]; + const char *p, *name; + + uint16_t flags[2]; + + struct fw3_state *s = state; + struct fw3_zone *zone; + struct fw3_ipset *ipset; + + sf = fopen(FW3_STATEFILE, "r"); + + if (!sf) + return false; + + while (fgets(line, sizeof(line), sf)) + { + p = strtok(line, " \t\n"); + + if (!p) + continue; + + type = strtoul(p, NULL, 10); + name = strtok(NULL, " \t\n"); + + if (!name) + continue; + + for (n = 0, p = strtok(NULL, " \t\n"); + n < ARRAY_SIZE(flags) && p != NULL; + n++, p = strtok(NULL, " \t\n")) + { + flags[n] = strtoul(p, NULL, 10); + } + + switch (type) + { + case FW3_TYPE_DEFAULTS: + s->running_defaults.flags = flags[0]; + break; + + case FW3_TYPE_ZONE: + if (!(zone = fw3_lookup_zone(state, name, false))) + { + zone = fw3_alloc_zone(); + + if (!zone) + continue; + + zone->name = strdup(name); + list_add_tail(&zone->list, &s->zones); + } + + zone->src_flags = flags[0]; + zone->dst_flags = flags[1]; + list_add_tail(&zone->running_list, &s->running_zones); + break; + + case FW3_TYPE_IPSET: + if (!(ipset = fw3_lookup_ipset(state, name, false))) + { + ipset = fw3_alloc_ipset(); + + if (!ipset) + continue; + + ipset->name = strdup(name); + list_add_tail(&ipset->list, &s->ipsets); + } + + ipset->flags = flags[0]; + list_add_tail(&ipset->running_list, &s->running_ipsets); + break; + } + } + + fclose(sf); + + return true; } -void fw3_write_state(void *state) +void +fw3_write_statefile(void *state) { FILE *sf; - int n, val; struct fw3_state *s = state; + struct fw3_defaults *d = &s->defaults; struct fw3_zone *z; struct fw3_ipset *i; + int mask = (1 << FW3_FAMILY_V4) | (1 << FW3_FAMILY_V6); + + if (!(d->flags & mask)) + { + if (unlink(FW3_STATEFILE)) + warn("Unable to remove state %s: %s", + FW3_STATEFILE, strerror(errno)); + + return; + } + sf = fopen(FW3_STATEFILE, "w"); if (!sf) @@ -354,34 +450,36 @@ void fw3_write_state(void *state) return; } - list_for_each_entry(z, &s->zones, list) - { - for (n = FW3_TARGET_ACCEPT, val = 0; n <= FW3_TARGET_SNAT; n++) - if (z->has_src_target[n]) - val |= (1 << n); - - fprintf(sf, "zone %s %u", z->name, val); - - for (n = FW3_TARGET_ACCEPT, val = 0; n <= FW3_TARGET_SNAT; n++) - if (z->has_dest_target[n]) - val |= (1 << n); + fprintf(sf, "%u - %u\n", FW3_TYPE_DEFAULTS, d->flags); - fprintf(sf, " %u\n", val); + list_for_each_entry(z, &s->running_zones, running_list) + { + fprintf(sf, "%u %s %u %u\n", FW3_TYPE_ZONE, + z->name, z->src_flags, z->dst_flags); } - list_for_each_entry(i, &s->ipsets, list) + list_for_each_entry(i, &s->running_ipsets, running_list) { - if (i->external && *i->external) - continue; - - fprintf(sf, "ipset %s\n", i->name); + fprintf(sf, "%u %s %u\n", FW3_TYPE_IPSET, i->name, i->flags); } fclose(sf); } -void fw3_remove_state(void) + +struct object_list_heads { - if (unlink(FW3_STATEFILE)) - warn("Unable to remove state %s: %s", FW3_STATEFILE, strerror(errno)); + struct list_head list; + struct list_head running_list; +}; + +void +fw3_set_running(void *object, struct list_head *dest) +{ + struct object_list_heads *o = object; + + if (dest && !o->running_list.next) + list_add_tail(&o->running_list, dest); + else if (!dest && o->running_list.next) + list_del(&o->running_list); }