[df49c60] | 1 | /* |
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| 2 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for |
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| 3 | * unrestricted use provided that this legend is included on all tape |
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| 4 | * media and as a part of the software program in whole or part. Users |
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| 5 | * may copy or modify Sun RPC without charge, but are not authorized |
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| 6 | * to license or distribute it to anyone else except as part of a product or |
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| 7 | * program developed by the user. |
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| 8 | * |
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| 9 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE |
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| 10 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR |
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| 11 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. |
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| 12 | * |
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| 13 | * Sun RPC is provided with no support and without any obligation on the |
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| 14 | * part of Sun Microsystems, Inc. to assist in its use, correction, |
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| 15 | * modification or enhancement. |
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| 16 | * |
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| 17 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE |
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| 18 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC |
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| 19 | * OR ANY PART THEREOF. |
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| 20 | * |
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| 21 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue |
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| 22 | * or profits or other special, indirect and consequential damages, even if |
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| 23 | * Sun has been advised of the possibility of such damages. |
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| 24 | * |
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| 25 | * Sun Microsystems, Inc. |
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| 26 | * 2550 Garcia Avenue |
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| 27 | * Mountain View, California 94043 |
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| 28 | */ |
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| 29 | |
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| 30 | #if defined(LIBC_SCCS) && !defined(lint) |
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| 31 | /*static char *sccsid = "from: @(#)svc_simple.c 1.18 87/08/11 Copyr 1984 Sun Micro";*/ |
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| 32 | /*static char *sccsid = "from: @(#)svc_simple.c 2.2 88/08/01 4.0 RPCSRC";*/ |
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| 33 | static char *rcsid = "$FreeBSD: src/lib/libc/rpc/svc_simple.c,v 1.9 1999/08/28 00:00:50 peter Exp $"; |
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| 34 | #endif |
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| 35 | |
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| 36 | /* |
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| 37 | * svc_simple.c |
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| 38 | * Simplified front end to rpc. |
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| 39 | * |
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| 40 | * Copyright (C) 1984, Sun Microsystems, Inc. |
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| 41 | */ |
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| 42 | |
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| 43 | #include <stdio.h> |
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| 44 | #include <stdlib.h> |
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| 45 | #include <string.h> |
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[12db3bda] | 46 | #include <inttypes.h> |
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[df49c60] | 47 | #include <rpc/rpc.h> |
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| 48 | #include <rpc/pmap_clnt.h> |
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| 49 | #include <sys/socket.h> |
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| 50 | #include <netdb.h> |
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| 51 | |
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| 52 | struct prog_lst { |
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| 53 | char *(*p_progname)(); |
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[12db3bda] | 54 | rpcprog_t p_prognum; |
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| 55 | rpcproc_t p_procnum; |
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[df49c60] | 56 | xdrproc_t p_inproc, p_outproc; |
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| 57 | struct prog_lst *p_nxt; |
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| 58 | }; |
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| 59 | static void universal(); |
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[ddb56f4] | 60 | #define proglst (rtems_rpc_task_variables->svc_simple_proglst) |
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| 61 | #define pl (rtems_rpc_task_variables->svc_simple_pl) |
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| 62 | #define transp (rtems_rpc_task_variables->svc_simple_transp) |
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[df49c60] | 63 | |
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| 64 | int |
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[5220ae2] | 65 | registerrpc( |
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| 66 | int prognum, |
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| 67 | int versnum, |
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| 68 | int procnum, |
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| 69 | char *(*progname)(), |
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| 70 | xdrproc_t inproc, |
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| 71 | xdrproc_t outproc ) |
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[df49c60] | 72 | { |
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| 73 | |
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| 74 | if (procnum == NULLPROC) { |
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| 75 | (void) fprintf(stderr, |
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[12db3bda] | 76 | "can't reassign procedure number %" PRIu32 "\n", NULLPROC); |
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[df49c60] | 77 | return (-1); |
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| 78 | } |
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| 79 | if (transp == 0) { |
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| 80 | transp = svcudp_create(RPC_ANYSOCK); |
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| 81 | if (transp == NULL) { |
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| 82 | (void) fprintf(stderr, "couldn't create an rpc server\n"); |
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| 83 | return (-1); |
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| 84 | } |
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| 85 | } |
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| 86 | (void) pmap_unset((u_long)prognum, (u_long)versnum); |
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| 87 | if (!svc_register(transp, (u_long)prognum, (u_long)versnum, |
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| 88 | universal, IPPROTO_UDP)) { |
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| 89 | (void) fprintf(stderr, "couldn't register prog %d vers %d\n", |
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| 90 | prognum, versnum); |
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| 91 | return (-1); |
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| 92 | } |
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| 93 | pl = (struct prog_lst *)malloc(sizeof(struct prog_lst)); |
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| 94 | if (pl == NULL) { |
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| 95 | (void) fprintf(stderr, "registerrpc: out of memory\n"); |
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| 96 | return (-1); |
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| 97 | } |
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| 98 | pl->p_progname = progname; |
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| 99 | pl->p_prognum = prognum; |
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| 100 | pl->p_procnum = procnum; |
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| 101 | pl->p_inproc = inproc; |
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| 102 | pl->p_outproc = outproc; |
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| 103 | pl->p_nxt = proglst; |
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| 104 | proglst = pl; |
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| 105 | return (0); |
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| 106 | } |
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| 107 | |
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| 108 | static void |
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[5220ae2] | 109 | universal( |
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| 110 | struct svc_req *rqstp, |
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| 111 | SVCXPRT *atransp ) |
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[df49c60] | 112 | { |
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| 113 | int prog, proc; |
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| 114 | char *outdata; |
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| 115 | char xdrbuf[UDPMSGSIZE]; |
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| 116 | struct prog_lst *lpl; |
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| 117 | |
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| 118 | /* |
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| 119 | * enforce "procnum 0 is echo" convention |
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| 120 | */ |
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| 121 | if (rqstp->rq_proc == NULLPROC) { |
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[77b6a10] | 122 | if (svc_sendreply(atransp, (xdrproc_t) xdr_void, NULL) == FALSE) { |
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[df49c60] | 123 | (void) fprintf(stderr, "xxx\n"); |
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| 124 | exit(1); |
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| 125 | } |
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| 126 | return; |
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| 127 | } |
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| 128 | prog = rqstp->rq_prog; |
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| 129 | proc = rqstp->rq_proc; |
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| 130 | for (lpl = proglst; lpl != NULL; lpl = lpl->p_nxt) |
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| 131 | if (lpl->p_prognum == prog && lpl->p_procnum == proc) { |
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| 132 | /* decode arguments into a CLEAN buffer */ |
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| 133 | memset(xdrbuf, 0, sizeof(xdrbuf)); /* required ! */ |
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| 134 | if (!svc_getargs(atransp, lpl->p_inproc, xdrbuf)) { |
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| 135 | svcerr_decode(atransp); |
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| 136 | return; |
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| 137 | } |
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| 138 | outdata = (*(lpl->p_progname))(xdrbuf); |
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[77b6a10] | 139 | if (outdata == NULL && |
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| 140 | lpl->p_outproc != (xdrproc_t) xdr_void) |
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[df49c60] | 141 | /* there was an error */ |
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| 142 | return; |
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| 143 | if (!svc_sendreply(atransp, lpl->p_outproc, outdata)) { |
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| 144 | (void) fprintf(stderr, |
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| 145 | "trouble replying to prog %d\n", |
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| 146 | lpl->p_prognum); |
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| 147 | exit(1); |
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| 148 | } |
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| 149 | /* free the decoded arguments */ |
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| 150 | (void)svc_freeargs(atransp, lpl->p_inproc, xdrbuf); |
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| 151 | return; |
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| 152 | } |
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| 153 | (void) fprintf(stderr, "never registered prog %d\n", prog); |
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| 154 | exit(1); |
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| 155 | } |
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