bool
IpAddr::isValid(const std::string &address, pj_uint16_t family)
{
pj_str_t pjstring;
pj_cstr(&pjstring, address.c_str());
pj_str_t ret_str;
pj_uint16_t ret_port;
int ret_family;
auto status = pj_sockaddr_parse2(pj_AF_UNSPEC(), 0, &pjstring, &ret_str, &ret_port, &ret_family);
if (status != PJ_SUCCESS || (family != pj_AF_UNSPEC() && ret_family != family))
return false;
char buf[PJ_INET6_ADDRSTRLEN];
pj_str_t addr_with_null = {buf, 0};
pj_strncpy_with_null(&addr_with_null, &ret_str, sizeof(buf));
struct sockaddr sa;
return inet_pton(ret_family==pj_AF_INET6()?AF_INET6:AF_INET, buf, &(sa.sa_data)) == 1;
}
/*
* Parse address
*/
PJ_DEF(pj_status_t) pj_sockaddr_parse( int af, unsigned options,
const pj_str_t *str,
pj_sockaddr *addr)
{
pj_str_t hostpart;
pj_uint16_t port;
pj_status_t status;
PJ_ASSERT_RETURN(addr, PJ_EINVAL);
PJ_ASSERT_RETURN(af==PJ_AF_UNSPEC ||
af==PJ_AF_INET ||
af==PJ_AF_INET6, PJ_EINVAL);
PJ_ASSERT_RETURN(options == 0, PJ_EINVAL);
status = pj_sockaddr_parse2(af, options, str, &hostpart, &port, &af);
if (status != PJ_SUCCESS)
return status;
#if !defined(PJ_HAS_IPV6) || !PJ_HAS_IPV6
if (af==PJ_AF_INET6)
return PJ_EIPV6NOTSUP;
#endif
status = pj_sockaddr_init(af, addr, &hostpart, port);
#if defined(PJ_HAS_IPV6) && PJ_HAS_IPV6
if (status != PJ_SUCCESS && af == PJ_AF_INET6) {
/* Parsing does not yield valid address. Try to treat the last
* portion after the colon as port number.
*/
const char *last_colon_pos=NULL, *p;
const char *end = str->ptr + str->slen;
unsigned long long_port;
pj_str_t port_part;
int i;
/* Parse as IPv6:port */
for (p=str->ptr; p!=end; ++p) {
if (*p == ':')
last_colon_pos = p;
}
if (last_colon_pos == NULL)
return status;
hostpart.ptr = (char*)str->ptr;
hostpart.slen = last_colon_pos - str->ptr;
port_part.ptr = (char*)last_colon_pos + 1;
port_part.slen = end - port_part.ptr;
/* Make sure port number is valid */
for (i=0; i<port_part.slen; ++i) {
if (!pj_isdigit(port_part.ptr[i]))
return status;
}
long_port = pj_strtoul(&port_part);
if (long_port > 65535)
return status;
port = (pj_uint16_t)long_port;
status = pj_sockaddr_init(PJ_AF_INET6, addr, &hostpart, port);
}
#endif
return status;
}