diff options
Diffstat (limited to 'sunrpc/svc_simple.c')
| -rw-r--r-- | sunrpc/svc_simple.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/sunrpc/svc_simple.c b/sunrpc/svc_simple.c new file mode 100644 index 0000000000..d6bcbd3c04 --- /dev/null +++ b/sunrpc/svc_simple.c @@ -0,0 +1,143 @@ +/* @(#)svc_simple.c 2.2 88/08/01 4.0 RPCSRC */ +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + */ +#if !defined(lint) && defined(SCCSIDS) +static char sccsid[] = "@(#)svc_simple.c 1.18 87/08/11 Copyr 1984 Sun Micro"; +#endif + +/* + * svc_simple.c + * Simplified front end to rpc. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + +#include <stdio.h> +#include <rpc/rpc.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(); +static SVCXPRT *transp; +struct proglst *pl; + +registerrpc(prognum, versnum, procnum, progname, inproc, outproc) + char *(*progname)(); + xdrproc_t inproc, outproc; +{ + + 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((u_long)prognum, (u_long)versnum); + if (!svc_register(transp, (u_long)prognum, (u_long)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(rqstp, transp) + struct svc_req *rqstp; + SVCXPRT *transp; +{ + int prog, proc; + char *outdata; + char xdrbuf[UDPMSGSIZE]; + struct proglst *pl; + + /* + * enforce "procnum 0 is echo" convention + */ + if (rqstp->rq_proc == NULLPROC) { + if (svc_sendreply(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) { + /* decode arguments into a CLEAN buffer */ + bzero(xdrbuf, sizeof(xdrbuf)); /* required ! */ + if (!svc_getargs(transp, pl->p_inproc, xdrbuf)) { + svcerr_decode(transp); + return; + } + outdata = (*(pl->p_progname))(xdrbuf); + if (outdata == NULL && pl->p_outproc != xdr_void) + /* there was an error */ + return; + if (!svc_sendreply(transp, pl->p_outproc, outdata)) { + (void) fprintf(stderr, + "trouble replying to prog %d\n", + pl->p_prognum); + exit(1); + } + /* free the decoded arguments */ + (void)svc_freeargs(transp, pl->p_inproc, xdrbuf); + return; + } + (void) fprintf(stderr, "never registered prog %d\n", prog); + exit(1); +} + |