#if !defined(LINT) && !defined(CODECENTER)
static const char rcsid[] = "$Id: getservent.c,v 1.1.1.1 2003/01/10 00:48:14 bbraun Exp $";
#endif
#include "port_before.h"
#if !defined(__BIND_NOSTATIC)
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <errno.h>
#include <resolv.h>
#include <stdio.h>
#include <string.h>
#include <irs.h>
#include "port_after.h"
#include "irs_data.h"
static struct net_data *init(void);
struct servent *
getservent(void) {
struct net_data *net_data = init();
return (getservent_p(net_data));
}
struct servent *
getservbyname(const char *name, const char *proto) {
struct net_data *net_data = init();
return (getservbyname_p(name, proto, net_data));
}
struct servent *
getservbyport(int port, const char *proto) {
struct net_data *net_data = init();
return (getservbyport_p(port, proto, net_data));
}
void
setservent(int stayopen) {
struct net_data *net_data = init();
setservent_p(stayopen, net_data);
}
void
endservent() {
struct net_data *net_data = init();
endservent_p(net_data);
}
struct servent *
getservent_p(struct net_data *net_data) {
struct irs_sv *sv;
if (!net_data || !(sv = net_data->sv))
return (NULL);
net_data->sv_last = (*sv->next)(sv);
return (net_data->sv_last);
}
struct servent *
getservbyname_p(const char *name, const char *proto,
struct net_data *net_data) {
struct irs_sv *sv;
char **sap;
if (!net_data || !(sv = net_data->sv))
return (NULL);
if (net_data->sv_stayopen && net_data->sv_last)
if (!proto || !strcmp(net_data->sv_last->s_proto, proto)) {
if (!strcmp(net_data->sv_last->s_name, name))
return (net_data->sv_last);
for (sap = net_data->sv_last->s_aliases;
sap && *sap; sap++)
if (!strcmp(name, *sap))
return (net_data->sv_last);
}
net_data->sv_last = (*sv->byname)(sv, name, proto);
if (!net_data->sv_stayopen)
endservent();
return (net_data->sv_last);
}
struct servent *
getservbyport_p(int port, const char *proto, struct net_data *net_data) {
struct irs_sv *sv;
if (!net_data || !(sv = net_data->sv))
return (NULL);
if (net_data->sv_stayopen && net_data->sv_last)
if (port == net_data->sv_last->s_port &&
( !proto ||
!strcmp(net_data->sv_last->s_proto, proto)))
return (net_data->sv_last);
net_data->sv_last = (*sv->byport)(sv, port, proto);
return (net_data->sv_last);
}
void
setservent_p(int stayopen, struct net_data *net_data) {
struct irs_sv *sv;
if (!net_data || !(sv = net_data->sv))
return;
(*sv->rewind)(sv);
net_data->sv_stayopen = (stayopen != 0);
if (stayopen == 0)
net_data_minimize(net_data);
}
void
endservent_p(struct net_data *net_data) {
struct irs_sv *sv;
if ((net_data != NULL) && ((sv = net_data->sv) != NULL))
(*sv->minimize)(sv);
}
static struct net_data *
init() {
struct net_data *net_data;
if (!(net_data = net_data_init(NULL)))
goto error;
if (!net_data->sv) {
net_data->sv = (*net_data->irs->sv_map)(net_data->irs);
if (!net_data->sv || !net_data->res) {
error:
errno = EIO;
return (NULL);
}
(*net_data->sv->res_set)(net_data->sv, net_data->res, NULL);
}
return (net_data);
}
#endif