int
_ht_getnetbyname(void *rval, void *cb_data, va_list ap)
{
const char *name;
char *buffer;
size_t buflen;
int *errnop, *h_errnop;
struct netent *nptr, ne;
struct netent_data *ned;
char **cp;
res_state statp;
int error;
name = va_arg(ap, const char *);
nptr = va_arg(ap, struct netent *);
buffer = va_arg(ap, char *);
buflen = va_arg(ap, size_t);
errnop = va_arg(ap, int *);
h_errnop = va_arg(ap, int *);
statp = __res_state();
if ((ned = __netent_data_init()) == NULL) {
RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
*h_errnop = statp->res_h_errno;
return (NS_UNAVAIL);
}
_setnethtent(ned->stayopen, ned);
while ((error = getnetent_p(&ne, ned)) == 0) {
if (strcasecmp(ne.n_name, name) == 0)
break;
for (cp = ne.n_aliases; *cp != 0; cp++)
if (strcasecmp(*cp, name) == 0)
goto found;
}
found:
if (!ned->stayopen)
_endnethtent(ned);
if (error != 0) {
*h_errnop = statp->res_h_errno;
return (NS_NOTFOUND);
}
if (__copy_netent(&ne, nptr, buffer, buflen) != 0) {
*errnop = errno;
RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
*h_errnop = statp->res_h_errno;
return (NS_RETURN);
}
*((struct netent **)rval) = nptr;
return (NS_SUCCESS);
}
int
_ht_getnetbyaddr(void *rval, void *cb_data, va_list ap)
{
uint32_t net;
int type;
char *buffer;
size_t buflen;
int *errnop, *h_errnop;
struct netent *nptr, ne;
struct netent_data *ned;
res_state statp;
int error;
net = va_arg(ap, uint32_t);
type = va_arg(ap, int);
nptr = va_arg(ap, struct netent *);
buffer = va_arg(ap, char *);
buflen = va_arg(ap, size_t);
errnop = va_arg(ap, int *);
h_errnop = va_arg(ap, int *);
statp = __res_state();
if ((ned = __netent_data_init()) == NULL) {
RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
*h_errnop = statp->res_h_errno;
return (NS_UNAVAIL);
}
_setnethtent(ned->stayopen, ned);
while ((error = getnetent_p(&ne, ned)) == 0)
if (ne.n_addrtype == type && ne.n_net == net)
break;
if (!ned->stayopen)
_endnethtent(ned);
if (error != 0) {
*h_errnop = statp->res_h_errno;
return (NS_NOTFOUND);
}
if (__copy_netent(&ne, nptr, buffer, buflen) != 0) {
*errnop = errno;
RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
*h_errnop = statp->res_h_errno;
return (NS_RETURN);
}
*((struct netent **)rval) = nptr;
return (NS_SUCCESS);
}
int
_nis_getnetbyname(void *rval, void *cb_data, va_list ap)
{
#ifdef YP
const char *name;
char *buffer;
size_t buflen;
int *errnop, *h_errnop;
struct netent *nptr, ne;
struct netent_data *ned;
res_state statp;
name = va_arg(ap, const char *);
nptr = va_arg(ap, struct netent *);
buffer = va_arg(ap, char *);
buflen = va_arg(ap, size_t);
errnop = va_arg(ap, int *);
h_errnop = va_arg(ap, int *);
statp = __res_state();
if ((ned = __netent_data_init()) == NULL) {
RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
*h_errnop = statp->res_h_errno;
return (NS_UNAVAIL);
}
if (_getnetbynis(name, "networks.byname", AF_INET, &ne, ned) != 0) {
*h_errnop = statp->res_h_errno;
return (NS_NOTFOUND);
}
if (__copy_netent(&ne, nptr, buffer, buflen) != 0) {
*errnop = errno;
RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
*h_errnop = statp->res_h_errno;
return (NS_RETURN);
}
*((struct netent **)rval) = nptr;
return (NS_SUCCESS);
#else
return (NS_UNAVAIL);
#endif
}
int
getnetent_r(struct netent *nptr, char *buffer, size_t buflen,
struct netent **result, int *h_errnop)
{
struct netent_data *ned;
struct netent ne;
res_state statp;
statp = __res_state();
if ((ned = __netent_data_init()) == NULL) {
RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
*h_errnop = statp->res_h_errno;
return (-1);
}
if (getnetent_p(&ne, ned) != 0)
return (-1);
if (__copy_netent(&ne, nptr, buffer, buflen) != 0)
return (-1);
*result = nptr;
return (0);
}
int
_nis_getnetbyaddr(void *rval, void *cb_data, va_list ap)
{
#ifdef YP
uint32_t addr;
int af;
char *buffer;
size_t buflen;
int *errnop, *h_errnop;
struct netent *nptr, ne;
struct netent_data *ned;
char *str, *cp;
uint32_t net2;
int nn;
unsigned int netbr[4];
char buf[MAXDNAME];
res_state statp;
addr = va_arg(ap, uint32_t);
af = va_arg(ap, int);
nptr = va_arg(ap, struct netent *);
buffer = va_arg(ap, char *);
buflen = va_arg(ap, size_t);
errnop = va_arg(ap, int *);
h_errnop = va_arg(ap, int *);
statp = __res_state();
if ((ned = __netent_data_init()) == NULL) {
RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
*h_errnop = statp->res_h_errno;
return (NS_UNAVAIL);
}
if (af != AF_INET) {
RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
*h_errnop = statp->res_h_errno;
errno = EAFNOSUPPORT;
return (NS_UNAVAIL);
}
for (nn = 4, net2 = addr; net2; net2 >>= 8) {
netbr[--nn] = net2 & 0xff;
}
switch (nn) {
case 3: /* Class A */
sprintf(buf, "%u", netbr[3]);
break;
case 2: /* Class B */
sprintf(buf, "%u.%u", netbr[2], netbr[3]);
break;
case 1: /* Class C */
sprintf(buf, "%u.%u.%u", netbr[1], netbr[2], netbr[3]);
break;
case 0: /* Class D - E */
sprintf(buf, "%u.%u.%u.%u", netbr[0], netbr[1],
netbr[2], netbr[3]);
break;
}
str = (char *)&buf;
cp = str + (strlen(str) - 2);
while(!strcmp(cp, ".0")) {
*cp = '\0';
cp = str + (strlen(str) - 2);
}
if (_getnetbynis(str, "networks.byaddr", af, &ne, ned) != 0) {
*h_errnop = statp->res_h_errno;
return (NS_NOTFOUND);
}
if (__copy_netent(&ne, nptr, buffer, buflen) != 0) {
*errnop = errno;
RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
*h_errnop = statp->res_h_errno;
return (NS_RETURN);
}
*((struct netent **)rval) = nptr;
return (NS_SUCCESS);
#else
return (NS_UNAVAIL);
#endif /* YP */
}