static jdns_dnsparams_t *dnsparams_get_unixsys()
{
int n;
jdns_dnsparams_t *params;
#ifdef JDNS_MODERN_RES_API
struct __res_state res;
memset(&res, 0, sizeof(struct __res_state));
n = res_ninit(&res);
#define RESVAR res
#else
n = my_res_init();
#define RESVAR _res
#endif
params = jdns_dnsparams_new();
// error initializing?
if(n == -1)
return params;
#ifdef USE_INDEP_EXT
for(n = 0; n < MAXNS && n < RESVAR.nscount; ++n)
{
struct sockaddr_in *sa = (struct sockaddr_in*)&(_res_ext.nsaddr_list[n]);
jdns_address_t *addr = jdns_address_new();
if (sa->sin_family = AF_INET6) {
struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
jdns_address_set_ipv6(addr, sa6->sin6_addr.s6_addr);
} else {
jdns_address_set_ipv4(addr, ntohl(sa->sin_addr.s_addr));
}
jdns_dnsparams_append_nameserver(params, addr, JDNS_UNICAST_PORT);
jdns_address_delete(addr);
}
#else
// nameservers - ipv6
#ifdef __GLIBC__
for(n = 0; n < MAXNS; ++n)
#else
for(n = 0; n < MAXNS && n < RESVAR._u._ext.nscount; ++n)
#endif
{
jdns_address_t *addr;
struct sockaddr_in6 *sa6;
#ifdef USE_EXTEXT
// seems _ext.ext can be null in some cases...
if(RESVAR._u._ext.ext == NULL)
break;
sa6 = ((struct sockaddr_in6 *)RESVAR._u._ext.ext) + n;
#else
sa6 = RESVAR._u._ext.nsaddrs[n];
#endif
if(sa6 == NULL)
continue;
addr = jdns_address_new();
jdns_address_set_ipv6(addr, sa6->sin6_addr.s6_addr);
jdns_dnsparams_append_nameserver(params, addr, JDNS_UNICAST_PORT);
jdns_address_delete(addr);
}
// nameservers - ipv4
#ifdef __GLIBC__
int ns4count = RESVAR.nscount - RESVAR._u._ext.nscount6;
for(n = 0; n < MAXNS && n < ns4count; ++n)
#else
for(n = 0; n < MAXNS && n < RESVAR.nscount; ++n)
#endif
{
jdns_address_t *addr = jdns_address_new();
jdns_address_set_ipv4(addr, ntohl(RESVAR.nsaddr_list[n].sin_addr.s_addr));
jdns_dnsparams_append_nameserver(params, addr, JDNS_UNICAST_PORT);
jdns_address_delete(addr);
}
#endif
// domain name
if(strlen(RESVAR.defdname) > 0)
{
jdns_string_t *str;
jdns_string_t *p;
str = jdns_string_new();
jdns_string_set_cstr(str, RESVAR.defdname);
p = string_tolower(str);
jdns_string_delete(str);
str = p;
jdns_dnsparams_append_domain(params, str);
jdns_string_delete(str);
}
// search list
#ifdef MAXDFLSRCH
for(n = 0; n < MAXDFLSRCH && RESVAR.dnsrch[n]; ++n)
{
if(strlen(RESVAR.dnsrch[n]) > 0)
{
jdns_string_t *str;
jdns_string_t *p;
str = jdns_string_new();
jdns_string_set_cstr(str, RESVAR.dnsrch[n]);
p = string_tolower(str);
jdns_string_delete(str);
str = p;
// don't add dups
if(!dnsparams_have_domain(params, str))
jdns_dnsparams_append_domain(params, str);
jdns_string_delete(str);
}
}
#endif
return params;
}
static jdns_dnsparams_t *dnsparams_get_unixsys()
{
int n;
jdns_dnsparams_t *params;
#ifdef JDNS_MODERN_RES_API
struct __res_state res;
memset(&res, 0, sizeof(struct __res_state));
n = res_ninit(&res);
#define RESVAR res
#else
n = my_res_init();
#define RESVAR _res
#endif
params = jdns_dnsparams_new();
// error initializing?
if(n == -1)
return params;
// nameservers - ipv6
for(n = 0; n < MAXNS && n < RESVAR._u._ext.nscount; ++n)
{
jdns_address_t *addr;
struct sockaddr_in6 *sa6;
#ifdef USE_EXTEXT
sa6 = ((struct sockaddr_in6 *)RESVAR._u._ext.ext) + n;
#else
sa6 = RESVAR._u._ext.nsaddrs[n];
#endif
if(sa6 == NULL)
continue;
addr = jdns_address_new();
jdns_address_set_ipv6(addr, sa6->sin6_addr.s6_addr);
jdns_dnsparams_append_nameserver(params, addr, JDNS_UNICAST_PORT);
jdns_address_delete(addr);
}
// nameservers - ipv4
for(n = 0; n < MAXNS && n < RESVAR.nscount; ++n)
{
jdns_address_t *addr = jdns_address_new();
jdns_address_set_ipv4(addr, ntohl(RESVAR.nsaddr_list[n].sin_addr.s_addr));
jdns_dnsparams_append_nameserver(params, addr, JDNS_UNICAST_PORT);
jdns_address_delete(addr);
}
// domain name
if(strlen(RESVAR.defdname) > 0)
{
jdns_string_t *str;
jdns_string_t *p;
str = jdns_string_new();
jdns_string_set_cstr(str, RESVAR.defdname);
p = string_tolower(str);
jdns_string_delete(str);
str = p;
jdns_dnsparams_append_domain(params, str);
jdns_string_delete(str);
}
// search list
#ifdef MAXDFLSRCH
for(n = 0; n < MAXDFLSRCH && RESVAR.dnsrch[n]; ++n)
{
if(strlen(RESVAR.dnsrch[n]) > 0)
{
jdns_string_t *str;
jdns_string_t *p;
str = jdns_string_new();
jdns_string_set_cstr(str, RESVAR.dnsrch[n]);
p = string_tolower(str);
jdns_string_delete(str);
str = p;
// don't add dups
if(!dnsparams_have_domain(params, str))
jdns_dnsparams_append_domain(params, str);
jdns_string_delete(str);
}
}
#endif
return params;
}
