diff options
| -rw-r--r-- | fwd_rule.c | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -650,8 +650,9 @@ bad: void fwd_rule_parse(char optname, bool del, const char *optarg, struct fwd_table *fwd) { - union inany_addr addr_buf = inany_any6, *addr = &addr_buf; char buf[BUFSIZ], *spec, *ifname = NULL; + union inany_addr addr_buf = inany_any6; + const union inany_addr *addr = &addr_buf; uint8_t proto; if (optname == 't' || optname == 'T') @@ -708,7 +709,7 @@ void fwd_rule_parse(char optname, bool del, const char *optarg, p++; } - if (!inany_pton(p, addr)) + if (!inany_pton(p, &addr_buf)) die("Bad forwarding address '%s'", p); } } else { @@ -741,6 +742,12 @@ void fwd_rule_parse(char optname, bool del, const char *optarg, ifname = "lo"; } + /* No need for dual stack if we only have one IP version */ + if (!addr && !(fwd->caps & FWD_CAP_IPV4)) + addr = &inany_any6; + else if (!addr && !(fwd->caps & FWD_CAP_IPV6)) + addr = &inany_any4; + if (ifname && !(fwd->caps & FWD_CAP_IFNAME)) { die( "Device binding for '-%c %s' unsupported (requires kernel 5.7+)", |