int
match_cidr(const char *s1, const char *s2)
{
struct rb_sockaddr_storage ipaddr, maskaddr;
char mask[BUFSIZE];
char address[NICKLEN + USERLEN + HOSTLEN + 6];
char *ipmask;
char *ip;
char *len;
void *ipptr, *maskptr;
int cidrlen, aftype;
strcpy(mask, s1);
strcpy(address, s2);
ipmask = strrchr(mask, '@');
if(ipmask == NULL)
return 0;
*ipmask++ = '\0';
ip = strrchr(address, '@');
if(ip == NULL)
return 0;
*ip++ = '\0';
len = strrchr(ipmask, '/');
if(len == NULL)
return 0;
*len++ = '\0';
cidrlen = atoi(len);
if(cidrlen == 0)
return 0;
if(strchr(ip, ':') && strchr(ipmask, ':'))
{
aftype = AF_INET6;
ipptr = &((struct sockaddr_in6 *) &ipaddr)->sin6_addr;
maskptr = &((struct sockaddr_in6 *) &maskaddr)->sin6_addr;
}
else if(!strchr(ip, ':') && !strchr(ipmask, ':'))
{
aftype = AF_INET;
ipptr = &((struct sockaddr_in *) &ipaddr)->sin_addr;
maskptr = &((struct sockaddr_in *) &maskaddr)->sin_addr;
}
else
return 0;
rb_inet_pton(aftype, ip, ipptr);
rb_inet_pton(aftype, ipmask, maskptr);
if(comp_with_mask(ipptr, maskptr, cidrlen) && match(mask, address))
return 1;
else
return 0;
}
/*
* match_ips()
*
* Input - cidr ip mask, address
*/
int
match_ips(const char *s1, const char *s2)
{
struct rb_sockaddr_storage ipaddr, maskaddr;
char mask[IRCD_BUFSIZE];
char address[HOSTLEN + 1];
char *len;
void *ipptr, *maskptr;
int cidrlen, aftype;
rb_strlcpy(mask, s1, sizeof(mask));
rb_strlcpy(address, s2, sizeof(address));
len = strrchr(mask, '/');
if(len == NULL)
return 0;
*len++ = '\0';
cidrlen = atoi(len);
if(cidrlen <= 0)
return 0;
#ifdef RB_IPV6
if(strchr(mask, ':') && strchr(address, ':'))
{
if(cidrlen > 128)
return 0;
aftype = AF_INET6;
ipptr = &((struct sockaddr_in6 *)&ipaddr)->sin6_addr;
maskptr = &((struct sockaddr_in6 *)&maskaddr)->sin6_addr;
}
else
#endif
if(!strchr(mask, ':') && !strchr(address, ':'))
{
if(cidrlen > 32)
return 0;
aftype = AF_INET;
ipptr = &((struct sockaddr_in *)&ipaddr)->sin_addr;
maskptr = &((struct sockaddr_in *)&maskaddr)->sin_addr;
}
else
return 0;
if(rb_inet_pton(aftype, address, ipptr) <= 0)
return 0;
if(rb_inet_pton(aftype, mask, maskptr) <= 0)
return 0;
if(comp_with_mask(ipptr, maskptr, cidrlen))
return 1;
else
return 0;
}
static void
set_bind(char **parv)
{
char *ipv4 = parv[2];
#ifdef RB_IPV6
char *ipv6 = parv[3];
#endif
if(!strcmp(ipv4, "0"))
ipv4_addr.s_addr = INADDR_ANY;
else
rb_inet_pton(AF_INET, ipv4, &ipv4_addr);
#ifdef RB_IPV6
if(!strcmp(ipv6, "0"))
memcpy(&ipv6_addr, &in6addr_any, sizeof(ipv6_addr));
else
rb_inet_pton(AF_INET6, ipv6, &ipv6_addr);
#endif
}
/*
* add_listener- create a new listener
* port - the port number to listen on
* vhost_ip - if non-null must contain a valid IP address string in
* the format "255.255.255.255"
*/
void
add_listener(int port, const char *vhost_ip, int family, int ssl)
{
struct Listener *listener;
struct rb_sockaddr_storage vaddr;
/*
* if no port in conf line, don't bother
*/
if(port == 0)
return;
memset(&vaddr, 0, sizeof(vaddr));
vaddr.ss_family = family;
if(vhost_ip != NULL)
{
if(family == AF_INET)
{
if(rb_inet_pton(family, vhost_ip, &((struct sockaddr_in *)&vaddr)->sin_addr) <= 0)
return;
}
#ifdef RB_IPV6
else
{
if(rb_inet_pton(family, vhost_ip, &((struct sockaddr_in6 *)&vaddr)->sin6_addr) <= 0)
return;
}
#endif
} else
{
switch(family)
{
case AF_INET:
((struct sockaddr_in *)&vaddr)->sin_addr.s_addr = INADDR_ANY;
break;
#ifdef RB_IPV6
case AF_INET6:
memcpy(&((struct sockaddr_in6 *)&vaddr)->sin6_addr, &in6addr_any, sizeof(struct in6_addr));
break;
default:
return;
#endif
}
}
switch(family)
{
case AF_INET:
SET_SS_LEN(&vaddr, sizeof(struct sockaddr_in));
((struct sockaddr_in *)&vaddr)->sin_port = htons(port);
break;
#ifdef RB_IPV6
case AF_INET6:
SET_SS_LEN(&vaddr, sizeof(struct sockaddr_in6));
((struct sockaddr_in6 *)&vaddr)->sin6_port = htons(port);
break;
#endif
default:
break;
}
if((listener = find_listener(&vaddr)))
{
if(listener->F != NULL)
return;
}
else
{
listener = make_listener(&vaddr);
listener->next = ListenerPollList;
ListenerPollList = listener;
}
listener->F = NULL;
listener->ssl = ssl;
if(inetport(listener))
listener->active = 1;
else
close_listener(listener);
}