diff options
Diffstat (limited to 'utils.c')
-rw-r--r-- | utils.c | 19 |
1 files changed, 18 insertions, 1 deletions
@@ -119,6 +119,7 @@ int parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask) { char *astr = alloca(strlen(str) + 1); + int ret = 0; strcpy(astr, str); if (!split_netmask(astr, netmask, af == AF_INET6)) @@ -132,7 +133,23 @@ parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask) return 0; } - return inet_pton(af, astr, addr); + ret = inet_pton(af, astr, addr); + if (ret > 0) { + if (af == AF_INET) { + struct in_addr *ip4_addr = (struct in_addr *)addr; + uint32_t host_addr = ntohl(ip4_addr->s_addr); + + if (IN_EXPERIMENTAL(host_addr)) { + return 0; + } + } + else if (af == AF_INET6) { + if (IN6_IS_ADDR_MULTICAST((struct in6_addr *)addr)) { + return 0; + } + } + } + return ret; } char * |