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path: root/contrib/netbsd-tests/lib/libc/rpc/t_rpc.c
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/*	$NetBSD: t_rpc.c,v 1.10 2016/08/27 14:36:22 christos Exp $	*/

#include <sys/cdefs.h>
__RCSID("$NetBSD: t_rpc.c,v 1.10 2016/08/27 14:36:22 christos Exp $");

#include <sys/types.h>
#include <sys/socket.h>
#include <rpc/rpc.h>
#include <stdlib.h>
#include <string.h>
#include <err.h>
#include <netdb.h>
#include <stdio.h>
#include <errno.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 ev;					\
} while(/*CONSTCOND*/0)

#else
#define ERRX(ev, msg, ...)	errx(EXIT_FAILURE, msg, __VA_ARGS__)
#define SKIPX(ev, msg, ...)	errx(EXIT_FAILURE, msg, __VA_ARGS__)
#endif

#ifdef DEBUG
#define DPRINTF(...)	printf(__VA_ARGS__)
#else
#define DPRINTF(...)
#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_t __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(, "clnt_create (%s)", clnt_spcreateerror(""));

	tv.tv_sec = 1;
	tv.tv_usec = 0;
#ifdef __FreeBSD__
	if (clnt_call(clnt, RPCBPROC_NULL, (xdrproc_t)xdr_void, NULL,
	    (xdrproc_t)xdr_void, NULL, tv)
	    != RPC_SUCCESS)
#else
	if (clnt_call(clnt, RPCBPROC_NULL, xdr_void, NULL, xdr_void, NULL, tv)
	    != RPC_SUCCESS)
#endif
		ERRX(, "clnt_call (%s)", clnt_sperror(clnt, ""));
	clnt_control(clnt, CLGET_SVC_ADDR, (char *) &addr);
	reply(NULL, &addr, NULL);
}

#define PROGNUM 0x81
#define VERSNUM 0x01
#define PLUSONE 1
#define DESTROY 2

static struct timeval 	tout = {1, 0};

static void
server(struct svc_req *rqstp, SVCXPRT *transp)
{
	int num;

	DPRINTF("Starting server\n");

	switch (rqstp->rq_proc) {
	case NULLPROC:
		if (!svc_sendreply(transp, (xdrproc_t)xdr_void, NULL))
			ERRX(, "svc_sendreply failed %d", 0);
		return;
	case PLUSONE:
		break;
	case DESTROY:
		if (!svc_sendreply(transp, (xdrproc_t)xdr_void, NULL))
			ERRX(, "svc_sendreply failed %d", 0);
		svc_destroy(transp);
		exit(0);
	default:
		svcerr_noproc(transp);
		return;
	}

	if (!svc_getargs(transp, (xdrproc_t)xdr_int, (void *)&num)) {
		svcerr_decode(transp);
		return;
	}
	DPRINTF("About to increment\n");
	num++;
	if (!svc_sendreply(transp, (xdrproc_t)xdr_int, (void *)&num))
		ERRX(, "svc_sendreply failed %d", 1);
	DPRINTF("Leaving server procedure.\n");
}

static int
rawtest(const char *arg)
{
	CLIENT         *clnt;
	SVCXPRT        *svc;
	int 		num, resp;
	enum clnt_stat  rv;

	if (arg)
		num = atoi(arg);
	else
		num = 0;

	svc = svc_raw_create();
	if (svc == NULL)
		ERRX(EXIT_FAILURE, "Cannot create server %d", num);
	if (!svc_reg(svc, PROGNUM, VERSNUM, server, NULL))
		ERRX(EXIT_FAILURE, "Cannot register server %d", num);

	clnt = clnt_raw_create(PROGNUM, VERSNUM);
	if (clnt == NULL)
		ERRX(EXIT_FAILURE, "%s",
		    clnt_spcreateerror("clnt_raw_create"));
	rv = clnt_call(clnt, PLUSONE, (xdrproc_t)xdr_int, (void *)&num,
	    (xdrproc_t)xdr_int, (void *)&resp, tout);
	if (rv != RPC_SUCCESS)
		ERRX(EXIT_FAILURE, "clnt_call: %s", clnt_sperrno(rv));
	DPRINTF("Got %d\n", resp);
	clnt_destroy(clnt);
	svc_destroy(svc);
	if (++num != resp)
		ERRX(EXIT_FAILURE, "expected %d got %d", num, resp);

	return EXIT_SUCCESS;
}

static int
regtest(const char *hostname, const char *transp, const char *arg, int p)
{
	CLIENT         *clnt;
	int 		num, resp;
	enum clnt_stat  rv;
	pid_t		pid;

	if (arg)
		num = atoi(arg);
	else
		num = 0;

#ifdef __NetBSD__
	svc_fdset_init(p ? SVC_FDSET_POLL : 0);
#endif
	if (!svc_create(server, PROGNUM, VERSNUM, transp))
	{
		SKIPX(EXIT_FAILURE, "Cannot create server %d", num);
	}

	switch ((pid = fork())) {
	case 0:
		DPRINTF("Calling svc_run\n");
		svc_run();
		ERRX(EXIT_FAILURE, "svc_run returned %d!", num);
	case -1:
		ERRX(EXIT_FAILURE, "Fork failed (%s)", strerror(errno));
	default:
		sleep(1);
		break;
	}

	DPRINTF("Initializing client\n");
	clnt = clnt_create(hostname, PROGNUM, VERSNUM, transp);
	if (clnt == NULL)
		ERRX(EXIT_FAILURE, "%s",
		    clnt_spcreateerror("clnt_raw_create"));
	rv = clnt_call(clnt, PLUSONE, (xdrproc_t)xdr_int, (void *)&num,
	    (xdrproc_t)xdr_int, (void *)&resp, tout);
	if (rv != RPC_SUCCESS)
		ERRX(EXIT_FAILURE, "clnt_call: %s", clnt_sperrno(rv));
	DPRINTF("Got %d\n", resp);
	if (++num != resp)
		ERRX(EXIT_FAILURE, "expected %d got %d", num, resp);
	rv = clnt_call(clnt, DESTROY, (xdrproc_t)xdr_void, NULL,
	    (xdrproc_t)xdr_void, NULL, tout);
	if (rv != RPC_SUCCESS)
		ERRX(EXIT_FAILURE, "clnt_call: %s", clnt_sperrno(rv));
	clnt_destroy(clnt);

	return EXIT_SUCCESS;
}


#ifdef TEST
static void
allhosts(const char *transp)
{
	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;
	int		s, p;
	const char     *transp = "udp";

	p = s = 0;
	while ((ch = getopt(argc, argv, "prstu")) != -1)
		switch (ch) {
		case 'p':
			p = 1;
			break;
		case 's':
			s = 1;
			break;
		case 't':
			transp = "tcp";
			break;
		case 'u':
			transp = "udp";
			break;
		case 'r':
			transp = NULL;
			break;
		default:
			fprintf(stderr,
			    "Usage: %s -[r|s|t|u] [<hostname>...]\n",
			    getprogname());
			return EXIT_FAILURE;
		}

	if (argc == optind) {
		if  (transp)
			allhosts(transp);
		else
			rawtest(NULL);
	} else {
		for (; optind < argc; optind++) {
			if (transp)
				s == 0 ?
				    onehost(argv[optind], transp) :
				    regtest(argv[optind], transp, "1", p);
			else
				rawtest(argv[optind]);
		}
	}

	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_TC(raw);
ATF_TC_HEAD(raw, tc)
{
	atf_tc_set_md_var(tc, "descr", "Checks svc raw");
}

ATF_TC_BODY(raw, tc)
{
	rawtest(NULL);

}

ATF_TC(tcp);
ATF_TC_HEAD(tcp, tc)
{
	atf_tc_set_md_var(tc, "descr", "Checks svc tcp (select)");
#ifdef __FreeBSD__
	atf_tc_set_md_var(tc, "require.user", "root");
#endif
}

ATF_TC_BODY(tcp, tc)
{
	regtest("localhost", "tcp", "1", 0);

}

ATF_TC(udp);
ATF_TC_HEAD(udp, tc)
{
	atf_tc_set_md_var(tc, "descr", "Checks svc udp (select)");
#ifdef __FreeBSD__
	atf_tc_set_md_var(tc, "require.user", "root");
#endif
}

ATF_TC_BODY(udp, tc)
{
	regtest("localhost", "udp", "1", 0);

}

ATF_TC(tcp_poll);
ATF_TC_HEAD(tcp_poll, tc)
{
	atf_tc_set_md_var(tc, "descr", "Checks svc tcp (poll)");
#ifdef __FreeBSD__
	atf_tc_set_md_var(tc, "require.user", "root");
#endif
}

ATF_TC_BODY(tcp_poll, tc)
{
	regtest("localhost", "tcp", "1", 1);

}

ATF_TC(udp_poll);
ATF_TC_HEAD(udp_poll, tc)
{
	atf_tc_set_md_var(tc, "descr", "Checks svc udp (poll)");
#ifdef __FreeBSD__
	atf_tc_set_md_var(tc, "require.user", "root");
#endif
}

ATF_TC_BODY(udp_poll, tc)
{
	regtest("localhost", "udp", "1", 1);

}

ATF_TP_ADD_TCS(tp)
{
	ATF_TP_ADD_TC(tp, get_svc_addr_udp);
	ATF_TP_ADD_TC(tp, get_svc_addr_tcp);
	ATF_TP_ADD_TC(tp, raw);
	ATF_TP_ADD_TC(tp, tcp);
	ATF_TP_ADD_TC(tp, udp);
	ATF_TP_ADD_TC(tp, tcp_poll);
	ATF_TP_ADD_TC(tp, udp_poll);

	return atf_no_error();
}

#endif