#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)svc_simple.c 1.18 87/08/11 Copyr 1984 Sun Micro";
#endif
#include <stdio.h>
#include <string.h>
#include <gssrpc/rpc.h>
#include <gssrpc/pmap_clnt.h>
#include <sys/socket.h>
#include <netdb.h>
static struct proglst {
char *(*p_progname)();
int p_prognum;
int p_procnum;
xdrproc_t p_inproc, p_outproc;
struct proglst *p_nxt;
} *proglst;
static void universal(struct svc_req *, SVCXPRT *);
static SVCXPRT *transp;
int
registerrpc(
rpcprog_t prognum,
rpcvers_t versnum,
rpcproc_t procnum,
char *(*progname)(),
xdrproc_t inproc,
xdrproc_t outproc)
{
struct proglst *pl;
if (procnum == NULLPROC) {
(void) fprintf(stderr,
"can't reassign procedure number %d\n", NULLPROC);
return (-1);
}
if (transp == 0) {
transp = svcudp_create(RPC_ANYSOCK);
if (transp == NULL) {
(void) fprintf(stderr, "couldn't create an rpc server\n");
return (-1);
}
}
(void) pmap_unset(prognum, versnum);
if (!svc_register(transp, prognum, versnum, universal, IPPROTO_UDP)) {
(void) fprintf(stderr, "couldn't register prog %d vers %d\n",
prognum, versnum);
return (-1);
}
pl = (struct proglst *)malloc(sizeof(struct proglst));
if (pl == NULL) {
(void) fprintf(stderr, "registerrpc: out of memory\n");
return (-1);
}
pl->p_progname = progname;
pl->p_prognum = prognum;
pl->p_procnum = procnum;
pl->p_inproc = inproc;
pl->p_outproc = outproc;
pl->p_nxt = proglst;
proglst = pl;
return (0);
}
static void
universal(
struct svc_req *rqstp,
SVCXPRT *s_transp)
{
int prog, proc;
char *outdata;
char xdrbuf[UDPMSGSIZE];
struct proglst *pl;
if (rqstp->rq_proc == NULLPROC) {
if (svc_sendreply(s_transp, xdr_void, (char *)NULL) == FALSE) {
(void) fprintf(stderr, "xxx\n");
exit(1);
}
return;
}
prog = rqstp->rq_prog;
proc = rqstp->rq_proc;
for (pl = proglst; pl != NULL; pl = pl->p_nxt)
if (pl->p_prognum == prog && pl->p_procnum == proc) {
memset(xdrbuf, 0, sizeof(xdrbuf));
if (!svc_getargs(s_transp, pl->p_inproc, xdrbuf)) {
svcerr_decode(s_transp);
return;
}
outdata = (*(pl->p_progname))(xdrbuf);
if (outdata == NULL && pl->p_outproc != xdr_void)
return;
if (!svc_sendreply(s_transp, pl->p_outproc, outdata)) {
(void) fprintf(stderr,
"trouble replying to prog %d\n",
pl->p_prognum);
exit(1);
}
(void)svc_freeargs(s_transp, pl->p_inproc, xdrbuf);
return;
}
(void) fprintf(stderr, "never registered prog %d\n", prog);
exit(1);
}