return buf;
}
-
-void
-fw3_format_src_dest(struct fw3_address *src, struct fw3_address *dest)
-{
- if ((src && src->range) || (dest && dest->range))
- fw3_pr(" -m iprange");
-
- if (src && src->set)
- {
- fw3_pr(" %s%s %s", src->invert ? "! " : "",
- src->range ? "--src-range" : "-s",
- fw3_address_to_string(src, false));
- }
-
- if (dest && dest->set)
- {
- fw3_pr(" %s%s %s", dest->invert ? "! " : "",
- dest->range ? "--dst-range" : "-d",
- fw3_address_to_string(dest, false));
- }
-}
-
-void
-fw3_format_sport_dport(struct fw3_port *sp, struct fw3_port *dp)
-{
- if (sp && sp->set)
- {
- if (sp->port_min == sp->port_max)
- fw3_pr(" %s--sport %u", sp->invert ? "! " : "", sp->port_min);
- else
- fw3_pr(" %s--sport %u:%u",
- sp->invert ? "! " : "", sp->port_min, sp->port_max);
- }
-
- if (dp && dp->set)
- {
- if (dp->port_min == dp->port_max)
- fw3_pr(" %s--dport %u", dp->invert ? "! " : "", dp->port_min);
- else
- fw3_pr(" %s--dport %u:%u",
- dp->invert ? "! " : "", dp->port_min, dp->port_max);
- }
-}
-
-void
-fw3_format_mac(struct fw3_mac *mac)
-{
- if (!mac)
- return;
-
- fw3_pr(" -m mac %s--mac-source %s",
- mac->invert ? "! " : "", ether_ntoa(&mac->mac));
-}
-
-void
-fw3_format_protocol(struct fw3_protocol *proto, enum fw3_family family)
-{
- uint16_t pr;
-
- if (!proto)
- return;
-
- pr = proto->protocol;
-
- if (pr == 1 && family == FW3_FAMILY_V6)
- pr = 58;
-
- if (proto->any)
- fw3_pr(" -p all");
- else
- fw3_pr(" %s-p %u", proto->invert ? "! " : "", pr);
-}
-
-void
-fw3_format_icmptype(struct fw3_icmptype *icmp, enum fw3_family family)
-{
- if (!icmp)
- return;
-
- if (family != FW3_FAMILY_V6)
- {
- if (icmp->code_min == 0 && icmp->code_max == 0xFF)
- fw3_pr(" %s--icmp-type %u", icmp->invert ? "! " : "", icmp->type);
- else
- fw3_pr(" %s--icmp-type %u/%u",
- icmp->invert ? "! " : "", icmp->type, icmp->code_min);
- }
- else
- {
- if (icmp->code6_min == 0 && icmp->code6_max == 0xFF)
- fw3_pr(" %s--icmpv6-type %u", icmp->invert ? "! " : "", icmp->type6);
- else
- fw3_pr(" %s--icmpv6-type %u/%u",
- icmp->invert ? "! " : "", icmp->type6, icmp->code6_min);
- }
-}
-
-void
-fw3_format_limit(struct fw3_limit *limit)
-{
- if (!limit)
- return;
-
- if (limit->rate > 0)
- {
- fw3_pr(" -m limit %s--limit %u/%s",
- limit->invert ? "! " : "",
- limit->rate, fw3_limit_units[limit->unit]);
-
- if (limit->burst > 0)
- fw3_pr(" --limit-burst %u", limit->burst);
- }
-}
-
-void
-fw3_format_ipset(struct fw3_ipset *ipset, bool invert)
-{
- bool first = true;
- const char *name = NULL;
- struct fw3_ipset_datatype *type;
-
- if (!ipset)
- return;
-
- name = ipset->external ? ipset->external : ipset->name;
-
- fw3_pr(" -m set %s--match-set %s", invert ? "! " : "", name);
-
- list_for_each_entry(type, &ipset->datatypes, list)
- {
- fw3_pr("%c%s", first ? ' ' : ',', type->dest ? "dst" : "src");
- first = false;
- }
-}
-
-void
-fw3_format_time(struct fw3_time *time)
-{
- int i;
- struct tm empty = { 0 };
- char buf[sizeof("9999-99-99T23:59:59\0")];
- bool d1 = memcmp(&time->datestart, &empty, sizeof(empty));
- bool d2 = memcmp(&time->datestop, &empty, sizeof(empty));
- bool first;
-
- if (!d1 && !d2 && !time->timestart && !time->timestop &&
- !(time->monthdays & 0xFFFFFFFE) && !(time->weekdays & 0xFE))
- {
- return;
- }
-
- fw3_pr(" -m time");
-
- if (time->utc)
- fw3_pr(" --utc");
-
- if (d1)
- {
- strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S", &time->datestart);
- fw3_pr(" --datestart %s", buf);
- }
-
- if (d2)
- {
- strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S", &time->datestop);
- fw3_pr(" --datestop %s", buf);
- }
-
- if (time->timestart)
- {
- fw3_pr(" --timestart %02d:%02d:%02d",
- time->timestart / 3600,
- time->timestart % 3600 / 60,
- time->timestart % 60);
- }
-
- if (time->timestop)
- {
- fw3_pr(" --timestop %02d:%02d:%02d",
- time->timestop / 3600,
- time->timestop % 3600 / 60,
- time->timestop % 60);
- }
-
- if (time->monthdays & 0xFFFFFFFE)
- {
- fw3_pr(" %s--monthdays", hasbit(time->monthdays, 0) ? "! " : "");
-
- for (i = 1, first = true; i < 32; i++)
- {
- if (hasbit(time->monthdays, i))
- {
- fw3_pr("%c%u", first ? ' ' : ',', i);
- first = false;
- }
- }
- }
-
- if (time->weekdays & 0xFE)
- {
- fw3_pr(" %s--weekdays", hasbit(time->weekdays, 0) ? "! " : "");
-
- for (i = 1, first = true; i < 8; i++)
- {
- if (hasbit(time->weekdays, i))
- {
- fw3_pr("%c%u", first ? ' ' : ',', i);
- first = false;
- }
- }
- }
-}
-
-void
-fw3_format_mark(struct fw3_mark *mark)
-{
- if (!mark->set)
- return;
-
- fw3_pr(" -m mark %s--mark 0x%x", mark->invert ? "! " : "", mark->mark);
-
- if (mark->mask < 0xFFFFFFFF)
- fw3_pr("/0x%x", mark->mask);
-}
-
-void
-__fw3_format_comment(const char *comment, ...)
-{
- va_list ap;
- int len = 0;
- const char *c;
-
- if (!comment || !*comment)
- return;
-
- fw3_pr(" -m comment --comment \"");
-
- c = comment;
-
- va_start(ap, comment);
-
- do
- {
- while (*c)
- {
- switch (*c)
- {
- case '"':
- case '$':
- case '`':
- case '\\':
- fw3_pr("\\");
- /* fall through */
-
- default:
- fw3_pr("%c", *c);
- break;
- }
-
- c++;
-
- if (len++ >= 255)
- goto end;
- }
-
- c = va_arg(ap, const char *);
- }
- while (c);
-
-end:
- va_end(ap);
- fw3_pr("\"");
-}
-
-void
-fw3_format_extra(const char *extra)
-{
- if (!extra || !*extra)
- return;
-
- fw3_pr(" %s", extra);
-}