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/* $NetBSD: t_rpc.c,v 1.3 2013/02/28 15:56:53 christos Exp $ */
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_rpc.c,v 1.3 2013/02/28 15:56:53 christos Exp $");
#include <sys/types.h>
#include <sys/socket.h>
#include <rpc/rpc.h>
#include <stdlib.h>
#include <err.h>
#include <netdb.h>
#include <stdio.h>
#include <unistd.h>
#ifndef TEST
#include <atf-c.h>
#define ERRX(ev, msg, ...) ATF_REQUIRE_MSG(0, msg, __VA_ARGS__)
#define SKIPX(ev, msg, ...) do { \
atf_tc_skip(msg, __VA_ARGS__); \
return; \
} while(/*CONSTCOND*/0)
#else
#define ERRX(ev, msg, ...) errx(ev, msg, __VA_ARGS__)
#define SKIPX(ev, msg, ...) errx(ev, msg, __VA_ARGS__)
#endif
#define RPCBPROC_NULL 0
static int
reply(caddr_t replyp, struct netbuf * raddrp, struct netconfig * nconf)
{
char host[NI_MAXHOST];
struct sockaddr *sock = raddrp->buf;
int error;
error = getnameinfo(sock, sock->sa_len, host, sizeof(host), NULL, 0, 0);
if (error)
warnx("Cannot resolve address (%s)", gai_strerror(error));
else
printf("response from: %s\n", host);
return 0;
}
#ifdef __FreeBSD__
#define __rpc_control rpc_control
#endif
extern bool __rpc_control(int, void *);
static void
onehost(const char *host, const char *transp)
{
CLIENT *clnt;
struct netbuf addr;
struct timeval tv;
/*
* Magic!
*/
tv.tv_sec = 0;
tv.tv_usec = 500000;
#define CLCR_SET_RPCB_TIMEOUT 2
__rpc_control(CLCR_SET_RPCB_TIMEOUT, &tv);
if ((clnt = clnt_create(host, RPCBPROG, RPCBVERS, transp)) == NULL)
SKIPX(EXIT_FAILURE, "clnt_create (%s)", clnt_spcreateerror(""));
tv.tv_sec = 1;
tv.tv_usec = 0;
if (clnt_call(clnt, RPCBPROC_NULL, xdr_void, NULL, xdr_void, NULL, tv)
!= RPC_SUCCESS)
ERRX(EXIT_FAILURE, "clnt_call (%s)", clnt_sperror(clnt, ""));
clnt_control(clnt, CLGET_SVC_ADDR, (char *) &addr);
reply(NULL, &addr, NULL);
}
#ifdef TEST
static void
allhosts(void)
{
enum clnt_stat clnt_stat;
clnt_stat = rpc_broadcast(RPCBPROG, RPCBVERS, RPCBPROC_NULL,
(xdrproc_t)xdr_void, NULL, (xdrproc_t)xdr_void,
NULL, (resultproc_t)reply, transp);
if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT)
ERRX(EXIT_FAILURE, "%s", clnt_sperrno(clnt_stat));
}
int
main(int argc, char *argv[])
{
int ch;
const char *transp = "udp";
while ((ch = getopt(argc, argv, "ut")) != -1)
switch (ch) {
case 't':
transp = "tcp";
break;
case 'u':
transp = "udp";
break;
default:
fprintf(stderr, "Usage: %s -[t|u] [<hostname>...]\n",
getprogname());
return EXIT_FAILURE;
}
if (argc == optind)
allhosts();
else
for (; optind < argc; optind++)
onehost(argv[optind], transp);
return EXIT_SUCCESS;
}
#else
ATF_TC(get_svc_addr_tcp);
ATF_TC_HEAD(get_svc_addr_tcp, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks CLGET_SVC_ADDR for tcp");
}
ATF_TC_BODY(get_svc_addr_tcp, tc)
{
onehost("localhost", "tcp");
}
ATF_TC(get_svc_addr_udp);
ATF_TC_HEAD(get_svc_addr_udp, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks CLGET_SVC_ADDR for udp");
}
ATF_TC_BODY(get_svc_addr_udp, tc)
{
onehost("localhost", "udp");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, get_svc_addr_udp);
ATF_TP_ADD_TC(tp, get_svc_addr_tcp);
return atf_no_error();
}
#endif
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