2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
25 * Sun Microsystems, Inc.
27 * Mountain View, California 94043
32 #ident "@(#)rpc_svcout.c 1.4 90/04/13 SMI"
33 static char sccsid[] = "@(#)rpc_svcout.c 1.29 89/03/30 (C) 1987 SMI";
37 #include <sys/cdefs.h>
39 * rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler
40 * Copyright (C) 1987, Sun Microsystems, Inc.
44 #include "rpc_parse.h"
48 static char RQSTP[] = "rqstp";
49 static char TRANSP[] = "transp";
50 static char ARG[] = "argument";
51 static char RESULT[] = "result";
52 static char ROUTINE[] = "local";
53 static char RETVAL[] = "retval";
55 static char _errbuf[256]; /* For all messages */
57 void internal_proctype( proc_list * );
58 static void write_real_program( definition * );
59 static void write_program(definition *, const char *);
60 static void printerr(const char *, const char *);
61 static void printif(const char *, const char *, const char *, const char *);
62 static void write_inetmost(const char *);
63 static void print_return(const char *);
64 static void print_pmapunset(const char *);
65 static void print_err_message(const char *);
66 static void write_timeout_func( void );
67 static void write_pm_most(const char *, int);
68 static void write_rpc_svc_fg(const char *, const char *);
69 static void open_log_file(const char *, const char *);
70 static void write_msg_out( void );
74 p_xdrfunc(const char *rname, const char *typename)
76 f_print(fout, "\t\txdr_%s = (xdrproc_t) xdr_%s;\n",
77 rname, stringfix(typename));
81 internal_proctype(proc_list *plist)
83 f_print(fout, "static ");
84 ptype(plist->res_prefix, plist->res_type, 1);
90 * write most of the service, that is, everything but the registrations.
93 write_most(const char *infile, int netflag, int nomain)
95 if (inetdflag || pmflag) {
97 var_type = (nomain? "extern" : "static");
98 f_print(fout, "%s int _rpcpmstart;", var_type);
99 f_print(fout, "\t\t/* Started by a port monitor ? */\n");
100 if (!tirpcflag || tirpc_socket) {
101 f_print(fout, "%s int _rpcfdtype;", var_type);
102 f_print(fout, "\n\t\t /* Whether Stream or \
107 f_print(fout, " /* States a server can be in \
108 wrt request */\n\n");
109 f_print(fout, "#define\t_IDLE 0\n");
110 f_print(fout, "#define\t_SERVED 1\n");
111 f_print(fout, "#define\t_SERVING 2\n\n");
112 f_print(fout, "static int _rpcsvcstate = _IDLE;");
113 f_print(fout, "\t /* Set when a request is \
117 f_print(fout, "pthread_mutex_t _svcstate_lock;");
118 f_print(fout, "\t\t\t/* Mutex lock for variable _rpcsvcstate */\n");
124 write_svc_aux(nomain);
126 /* write out dispatcher and stubs */
127 write_programs((char *)NULL);
132 f_print(fout, "\nint\n");
133 f_print(fout, "main()\n");
134 f_print(fout, "{\n");
136 write_inetmost(infile);
137 /* Includes call to write_rpc_svc_fg() */
142 "\tregister SVCXPRT *%s;\n", TRANSP);
144 "\tstruct netconfig *nconf = NULL;\n");
146 f_print(fout, "\tpid_t pid;\n");
147 f_print(fout, "\tint i;\n");
150 f_print(fout, "\tstruct sockaddr_storage saddr;\n");
151 f_print(fout, "\tsocklen_t asize = sizeof (saddr);\n\n");
153 f_print(fout, "\tchar mname[FMNAMESZ + 1];\n\n");
156 if (mtflag & timerflag)
157 f_print(fout, "\tmutex_init(&_svcstate_lock, USYNC_THREAD, NULL);\n");
159 write_pm_most(infile, netflag);
160 f_print(fout, "\telse {\n");
161 write_rpc_svc_fg(infile, "\t\t");
162 f_print(fout, "\t}\n");
164 write_rpc_svc_fg(infile, "\t\t");
167 f_print(fout, "\tregister SVCXPRT *%s;\n", TRANSP);
169 print_pmapunset("\t");
173 if (logflag && !inetdflag) {
174 open_log_file(infile, "\t");
179 * write a registration for the given transport
182 write_netid_register(const char *transp)
192 f_print(fout, "%s\tnconf = getnetconfigent(\"%s\");\n", sp, transp);
193 f_print(fout, "%s\tif (nconf == NULL) {\n", sp);
194 (void) sprintf(_errbuf, "cannot find %s netid.", transp);
195 sprintf(tmpbuf, "%s\t\t", sp);
196 print_err_message(tmpbuf);
197 f_print(fout, "%s\t\texit(1);\n", sp);
198 f_print(fout, "%s\t}\n", sp);
200 f_print(fout, "%s\t%s = svc_tli_create(RPC_ANYFD, ",
202 f_print(fout,"nconf, 0, RPC_MAXDATASIZE, RPC_MAXDATASIZE);\n");
205 "%s\t%s = svc_tli_create(RPC_ANYFD, nconf, 0, 0, 0);\n",
208 f_print(fout, "%s\tif (%s == NULL) {\n", sp, TRANSP);
209 (void) sprintf(_errbuf, "cannot create %s service.", transp);
210 print_err_message(tmpbuf);
211 f_print(fout, "%s\t\texit(1);\n", sp);
212 f_print(fout, "%s\t}\n", sp);
214 for (l = defined; l != NULL; l = l->next) {
215 def = (definition *) l->val;
216 if (def->def_kind != DEF_PROGRAM) {
219 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
221 "%s\t(void) rpcb_unset(%s, %s, nconf);\n",
222 sp, def->def_name, vp->vers_name);
224 "%s\tif (!svc_reg(%s, %s, %s, ",
225 sp, TRANSP, def->def_name, vp->vers_name);
226 pvname(def->def_name, vp->vers_num);
227 f_print(fout, ", nconf)) {\n");
228 (void) sprintf(_errbuf,
229 "unable to register (%s, %s, %s).",
230 def->def_name, vp->vers_name, transp);
231 print_err_message(tmpbuf);
232 f_print(fout, "%s\t\texit(1);\n", sp);
233 f_print(fout, "%s\t}\n", sp);
236 f_print(fout, "%s\tfreenetconfigent(nconf);\n", sp);
240 * write a registration for the given transport for TLI
243 write_nettype_register(const char *transp)
249 for (l = defined; l != NULL; l = l->next) {
250 def = (definition *) l->val;
251 if (def->def_kind != DEF_PROGRAM) {
254 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
255 f_print(fout, "\tif (!svc_create(");
256 pvname(def->def_name, vp->vers_num);
257 f_print(fout, ", %s, %s, \"%s\")) {\n",
258 def->def_name, vp->vers_name, transp);
259 (void) sprintf(_errbuf,
260 "unable to create (%s, %s) for %s.",
261 def->def_name, vp->vers_name, transp);
262 print_err_message("\t\t");
263 f_print(fout, "\t\texit(1);\n");
264 f_print(fout, "\t}\n");
270 * write the rest of the service
277 f_print(fout, "\tif (%s == (SVCXPRT *)NULL) {\n", TRANSP);
278 (void) sprintf(_errbuf, "could not create a handle");
279 print_err_message("\t\t");
280 f_print(fout, "\t\texit(1);\n");
281 f_print(fout, "\t}\n");
283 f_print(fout, "\tif (_rpcpmstart) {\n");
285 "\t\t(void) signal(SIGALRM, closedown);\n");
286 f_print(fout, "\t\t(void) \
287 alarm(_RPCSVC_CLOSEDOWN/2);\n");
288 f_print(fout, "\t}\n");
291 f_print(fout, "\tsvc_run();\n");
292 (void) sprintf(_errbuf, "svc_run returned");
293 print_err_message("\t");
294 f_print(fout, "\texit(1);\n");
295 f_print(fout, "\t/* NOTREACHED */\n");
296 f_print(fout, "}\n");
300 write_programs(const char *storage)
305 /* write out stubs for procedure definitions */
306 for (l = defined; l != NULL; l = l->next) {
307 def = (definition *) l->val;
308 if (def->def_kind == DEF_PROGRAM) {
309 write_real_program(def);
313 /* write out dispatcher for each program */
314 for (l = defined; l != NULL; l = l->next) {
315 def = (definition *) l->val;
316 if (def->def_kind == DEF_PROGRAM) {
317 write_program(def, storage);
325 * write out definition of internal function (e.g. _printmsg_1(...))
326 * which calls server's definition of actual function (e.g. printmsg_1(...)).
327 * Unpacks single user argument of printmsg_1 to call-by-value format
328 * expected by printmsg_1.
331 write_real_program(definition *def)
337 if (!newstyle) return; /* not needed for old style */
338 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
339 for (proc = vp->procs; proc != NULL; proc = proc->next) {
342 internal_proctype(proc);
344 f_print(fout, "int");
345 f_print(fout, "\n_");
346 pvname(proc->proc_name, vp->vers_num);
349 if (proc->arg_num > 1)
350 fputs(proc->args.argname, fout);
352 ptype(proc->args.decls->decl.prefix,
353 proc->args.decls->decl.type, 0);
355 f_print(fout, " *argp, void *%s, struct svc_req *%s)\n",
361 f_print(fout, " *argp, struct svc_req *%s)\n",
364 f_print(fout, "{\n");
365 f_print(fout, "\treturn (");
366 pvname_svc(proc->proc_name, vp->vers_num);
368 if (proc->arg_num < 2) { /* single argument */
369 if (!streq(proc->args.decls->decl.type, "void"))
370 f_print(fout, "*argp, "); /* non-void */
372 for (l = proc->args.decls; l != NULL;
374 f_print(fout, "argp->%s, ",
378 f_print(fout, "%s, ",RESULT);
379 f_print(fout, "%s));\n}\n", RQSTP);
385 write_program(definition *def, const char *storage)
391 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
393 if (storage != NULL) {
394 f_print(fout, "%s ", storage);
396 f_print(fout, "void\n");
397 pvname(def->def_name, vp->vers_num);
399 f_print(fout, "(struct svc_req *%s, ", RQSTP);
400 f_print(fout, "SVCXPRT *%s)\n", TRANSP);
401 f_print(fout, "{\n");
404 f_print(fout, "\tunion {\n");
405 for (proc = vp->procs; proc != NULL; proc = proc->next) {
406 if (proc->arg_num < 2) { /* single argument */
407 if (streq(proc->args.decls->decl.type,
412 f_print(fout, "\t\t");
413 ptype(proc->args.decls->decl.prefix,
414 proc->args.decls->decl.type, 0);
415 pvname(proc->proc_name, vp->vers_num);
416 f_print(fout, "_arg;\n");
420 f_print(fout, "\t\t%s", proc->args.argname);
422 pvname(proc->proc_name, vp->vers_num);
423 f_print(fout, "_arg;\n");
427 f_print(fout, "\t\tint fill;\n");
429 f_print(fout, "\t} %s;\n", ARG);
432 f_print(fout, "\tunion {\n");
433 for (proc = vp->procs; proc != NULL; proc = proc->next) {
434 if (streq(proc->res_type, "void")) {
437 f_print(fout, "\t\t");
438 ptype(proc->res_prefix, proc->res_type, 0);
439 pvname(proc->proc_name, vp->vers_num);
440 f_print(fout, "_res;\n");
442 f_print(fout, "\t} %s;\n", RESULT);
443 f_print(fout, "\tbool_t %s;\n", RETVAL);
446 f_print(fout, "\tchar *%s;\n", RESULT);
448 f_print(fout, "\txdrproc_t xdr_%s, xdr_%s;\n", ARG, RESULT);
451 "\tbool_t (*%s)(char *, void *, struct svc_req *);\n",
455 "\tchar *(*%s)(char *, struct svc_req *);\n",
461 f_print(fout, "\tpthread_mutex_lock(&_svcstate_lock);\n");
463 f_print(fout, "\t_rpcsvcstate = _SERVING;\n");
465 f_print(fout, "\tpthread_mutex_unlock(&_svcstate_lock);\n");
468 f_print(fout, "\tswitch (%s->rq_proc) {\n", RQSTP);
469 if (!nullproc(vp->procs)) {
470 f_print(fout, "\tcase NULLPROC:\n");
472 "\t\t(void) svc_sendreply(%s,\n\t\t\t"
473 "(xdrproc_t) xdr_void, (char *)NULL);\n",
475 print_return("\t\t");
478 for (proc = vp->procs; proc != NULL; proc = proc->next) {
479 f_print(fout, "\tcase %s:\n", proc->proc_name);
480 if (proc->arg_num < 2) { /* single argument */
481 p_xdrfunc(ARG, proc->args.decls->decl.type);
483 p_xdrfunc(ARG, proc->args.argname);
485 p_xdrfunc(RESULT, proc->res_type);
489 "\t\t%s = (bool_t (*) (char *, void *, struct svc_req *))",
493 "\t\t%s = (char *(*)(char *, struct svc_req *)) ",
495 if (newstyle) { /* new style: calls internal routine */
499 pvname_svc(proc->proc_name, vp->vers_num);
501 pvname(proc->proc_name, vp->vers_num);
502 f_print(fout, ";\n");
503 f_print(fout, "\t\tbreak;\n\n");
505 f_print(fout, "\tdefault:\n");
506 printerr("noproc", TRANSP);
507 print_return("\t\t");
508 f_print(fout, "\t}\n");
511 "\t(void) memset((char *)&%s, 0, sizeof (%s));\n",
513 printif("getargs", TRANSP, "(caddr_t) &", ARG);
514 printerr("decode", TRANSP);
515 print_return("\t\t");
516 f_print(fout, "\t}\n");
519 f_print(fout, "\t%s = (*%s)((char *)&%s, %s);\n",
520 RESULT, ROUTINE, ARG, RQSTP);
522 f_print(fout, "\t%s = (bool_t) (*%s)((char *)&%s, (void *)&%s, %s);\n",
523 RETVAL, ROUTINE, ARG, RESULT, RQSTP);
528 "\tif (%s > 0 && !svc_sendreply(%s, xdr_%s, (char *)&%s)) {\n",
529 RETVAL, TRANSP, RESULT, RESULT);
532 "\tif (%s != NULL && !svc_sendreply(%s, xdr_%s, %s)) {\n",
533 RESULT, TRANSP, RESULT, RESULT);
535 printerr("systemerr", TRANSP);
536 f_print(fout, "\t}\n");
538 printif("freeargs", TRANSP, "(caddr_t) &", ARG);
539 (void) sprintf(_errbuf, "unable to free arguments");
540 print_err_message("\t\t");
541 f_print(fout, "\t\texit(1);\n");
542 f_print(fout, "\t}\n");
543 /* print out free routine */
545 f_print(fout,"\tif (!");
546 pvname(def->def_name, vp->vers_num);
547 f_print(fout,"_freeresult(%s, xdr_%s, (caddr_t) &%s))\n",
548 TRANSP, RESULT, RESULT);
549 (void) sprintf(_errbuf, "unable to free results");
550 print_err_message("\t\t");
554 f_print(fout, "}\n");
559 printerr(const char *err, const char *transp)
561 f_print(fout, "\t\tsvcerr_%s(%s);\n", err, transp);
565 printif(const char *proc, const char *transp, const char *prefix,
568 f_print(fout, "\tif (!svc_%s(%s, xdr_%s, (char *)%s%s)) {\n",
569 proc, transp, arg, prefix, arg);
573 nullproc(proc_list *proc)
575 for (; proc != NULL; proc = proc->next) {
576 if (streq(proc->proc_num, "0")) {
584 write_inetmost(const char *infile)
586 f_print(fout, "\tregister SVCXPRT *%s;\n", TRANSP);
587 f_print(fout, "\tint sock;\n");
588 f_print(fout, "\tint proto;\n");
589 f_print(fout, "\tstruct sockaddr_in saddr;\n");
590 f_print(fout, "\tsocklen_t asize = sizeof (saddr);\n");
593 "\tif (getsockname(0, (struct sockaddr *)&saddr, &asize) == 0) {\n");
594 f_print(fout, "\t\tsocklen_t ssize = sizeof (int);\n\n");
595 f_print(fout, "\t\tif (saddr.sin_family != AF_INET)\n");
596 f_print(fout, "\t\t\texit(1);\n");
597 f_print(fout, "\t\tif (getsockopt(0, SOL_SOCKET, SO_TYPE,\n");
598 f_print(fout, "\t\t\t\t(char *)&_rpcfdtype, &ssize) == -1)\n");
599 f_print(fout, "\t\t\texit(1);\n");
600 f_print(fout, "\t\tsock = 0;\n");
601 f_print(fout, "\t\t_rpcpmstart = 1;\n");
602 f_print(fout, "\t\tproto = 0;\n");
603 open_log_file(infile, "\t\t");
604 f_print(fout, "\t} else {\n");
605 write_rpc_svc_fg(infile, "\t\t");
606 f_print(fout, "\t\tsock = RPC_ANYSOCK;\n");
607 print_pmapunset("\t\t");
608 f_print(fout, "\t}\n");
612 print_return(const char *space)
615 f_print(fout, "%sexit(0);\n", space);
619 f_print(fout, "%spthread_mutex_lock(&_svcstate_lock);\n", space);
620 f_print(fout, "%s_rpcsvcstate = _SERVED;\n", space);
622 f_print(fout, "%spthread_mutex_unlock(&_svcstate_lock);\n", space);
624 f_print(fout, "%sreturn;\n", space);
629 print_pmapunset(const char *space)
635 for (l = defined; l != NULL; l = l->next) {
636 def = (definition *) l->val;
637 if (def->def_kind == DEF_PROGRAM) {
638 for (vp = def->def.pr.versions; vp != NULL;
640 f_print(fout, "%s(void) pmap_unset(%s, %s);\n",
641 space, def->def_name, vp->vers_name);
648 print_err_message(const char *space)
651 f_print(fout, "%ssyslog(LOG_ERR, \"%s\");\n", space, _errbuf);
652 else if (inetdflag || pmflag)
653 f_print(fout, "%s_msgout(\"%s\");\n", space, _errbuf);
655 f_print(fout, "%sfprintf(stderr, \"%s\");\n", space, _errbuf);
659 * Write the server auxiliary function (_msgout, timeout)
662 write_svc_aux(int nomain)
667 write_timeout_func();
671 * Write the _msgout function
679 * Avoid making _msgout() static -- it's useful to have it visible
680 * in the toplevel RPC server code.
682 f_print(fout, "static\n");
683 f_print(fout, "void _msgout(const char* msg)\n");
684 f_print(fout, "{\n");
685 f_print(fout, "#ifdef RPC_SVC_FG\n");
686 if (inetdflag || pmflag)
687 f_print(fout, "\tif (_rpcpmstart)\n");
688 f_print(fout, "\t\tsyslog(LOG_ERR, \"%%s\", msg);\n");
689 f_print(fout, "\telse\n");
691 "\t\t(void) fprintf(stderr, \"%%s\\n\", msg);\n");
692 f_print(fout, "#else\n");
693 f_print(fout, "\tsyslog(LOG_ERR, \"%%s\", msg);\n");
694 f_print(fout, "#endif\n");
695 f_print(fout, "}\n");
699 * Write the timeout function
702 write_timeout_func(void)
708 f_print(fout, "static void\n");
709 f_print(fout, "closedown(int sig)\n");
710 f_print(fout, "{\n");
712 f_print(fout, "\tpthread_mutex_lock(&_svcstate_lock);\n");
713 f_print(fout, "\tif (_rpcsvcstate == _IDLE) {\n");
714 f_print(fout, "\t\textern fd_set svc_fdset;\n");
715 f_print(fout, "\t\tstatic int size;\n");
716 f_print(fout, "\t\tint i, openfd;\n");
717 if (tirpcflag && pmflag) {
718 f_print(fout, "\t\tstruct t_info tinfo;\n\n");
720 "\t\tif (!t_getinfo(0, &tinfo) && (tinfo.servtype == T_CLTS))\n");
722 f_print(fout, "\n\t\tif (_rpcfdtype == SOCK_DGRAM)\n");
724 f_print(fout, "\t\t\texit(0);\n");
725 f_print(fout, "\t\tif (size == 0) {\n");
727 f_print(fout, "\t\t\tstruct rlimit rl;\n\n");
728 f_print(fout, "\t\t\trl.rlim_max = 0;\n");
729 f_print(fout, "\t\t\tif (getrlimit(RLIMIT_NOFILE, &rl) == -1)\n");
730 f_print(fout, "\t\t\t\treturn;\n");
731 f_print(fout, "\t\t\tif ((size = rl.rlim_max) == 0) {\n");
734 f_print(fout, "\t\t\t\tpthread_mutex_unlock(&_svcstate_lock);\n");
736 f_print(fout, "\t\t\t\treturn;\n\t\t\t}\n");
738 f_print(fout, "\t\t\tsize = getdtablesize();\n");
740 f_print(fout, "\t\t}\n");
742 "\t\tfor (i = 0, openfd = 0; i < size && openfd < 2; i++)\n");
743 f_print(fout, "\t\t\tif (FD_ISSET(i, &svc_fdset))\n");
744 f_print(fout, "\t\t\t\topenfd++;\n");
745 f_print(fout, "\t\tif (openfd <= 1)\n");
746 f_print(fout, "\t\t\texit(0);\n");
747 f_print(fout, "\t}\n");
748 f_print(fout, "\tif (_rpcsvcstate == _SERVED)\n");
749 f_print(fout, "\t\t_rpcsvcstate = _IDLE;\n\n");
751 f_print(fout, "\tpthread_mutex_unlock(&_svcstate_lock);\n");
753 f_print(fout, "\t(void) signal(SIGALRM, closedown);\n");
754 f_print(fout, "\t(void) alarm(_RPCSVC_CLOSEDOWN/2);\n");
755 f_print(fout, "}\n");
760 * Write the most of port monitor support
763 write_pm_most(const char *infile, int netflag)
771 "\tif (getsockname(0, (struct sockaddr *)&saddr, &asize) == 0) {\n");
772 f_print(fout, "\t\tsocklen_t ssize = sizeof (int);\n");
774 f_print(fout, "\tif (!ioctl(0, I_LOOK, mname) &&\n");
775 f_print(fout, "\t\t(!strcmp(mname, \"sockmod\") ||");
776 f_print(fout, " !strcmp(mname, \"timod\"))) {\n");
778 f_print(fout, "\t\tchar *netid;\n");
779 if (!netflag) { /* Not included by -n option */
780 f_print(fout, "\t\tstruct netconfig *nconf = NULL;\n");
781 f_print(fout, "\t\tSVCXPRT *%s;\n", TRANSP);
784 f_print(fout, "\t\tint pmclose;\n");
786 * Not necessary, defined in /usr/include/stdlib
787 * f_print(fout, "\t\textern char *getenv();\n");
791 f_print(fout, "\t\tif (saddr.ss_family != AF_INET &&\n");
792 f_print(fout, "\t\t saddr.ss_family != AF_INET6)\n");
793 f_print(fout, "\t\t\texit(1);\n");
794 f_print(fout, "\t\tif (getsockopt(0, SOL_SOCKET, SO_TYPE,\n");
795 f_print(fout, "\t\t\t\t(char *)&_rpcfdtype, &ssize) == -1)\n");
796 f_print(fout, "\t\t\texit(1);\n");
798 f_print(fout, "\t\t_rpcpmstart = 1;\n");
799 open_log_file(infile, "\t\t");
800 f_print(fout, "\n\t\tif ((netid = \
801 getenv(\"NLSPROVIDER\")) == NULL) {\n");
804 f_print(fout, "\t\t/* started from inetd */\n");
805 f_print(fout, "\t\t\tpmclose = 1;\n");
809 f_print(fout, "\t\t\tif ((nconf = getnetconfigent(netid)) == NULL)\n");
810 sprintf(_errbuf, "cannot get transport info");
811 print_err_message("\t\t\t\t");
814 f_print(fout, "\n\t\t\tpmclose = 1;\t/* XXX */\n");
817 "\n\t\t\tpmclose = (t_getstate(0) != T_DATAXFER);\n");
819 f_print(fout, "\t\t}\n");
821 * A kludgy support for inetd services. Inetd only works with
822 * sockmod, and RPC works only with timod, hence all this jugglery
825 f_print(fout, "\t\tif (strcmp(mname, \"sockmod\") == 0) {\n");
826 f_print(fout, "\t\t\tif (ioctl(0, I_POP, 0) || ");
827 f_print(fout, "ioctl(0, I_PUSH, \"timod\")) {\n");
828 sprintf(_errbuf, "could not get the right module");
829 print_err_message("\t\t\t\t");
830 f_print(fout, "\t\t\t\texit(1);\n");
831 f_print(fout, "\t\t\t}\n");
832 f_print(fout, "\t\t}\n");
836 "\t\tif ((%s = svc_tli_create(0, nconf, NULL, \
837 RPC_MAXDATASIZE, RPC_MAXDATASIZE)) \
842 "\t\tif ((%s = svc_tli_create(0, nconf, NULL, 0, 0)) \
846 sprintf(_errbuf, "cannot create server handle");
847 print_err_message("\t\t\t");
848 f_print(fout, "\t\t\texit(1);\n");
849 f_print(fout, "\t\t}\n");
850 f_print(fout, "\t\tif (nconf)\n");
851 f_print(fout, "\t\t\tfreenetconfigent(nconf);\n");
852 for (l = defined; l != NULL; l = l->next) {
853 def = (definition *) l->val;
854 if (def->def_kind != DEF_PROGRAM) {
857 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
859 "\t\tif (!svc_reg(%s, %s, %s, ",
860 TRANSP, def->def_name, vp->vers_name);
861 pvname(def->def_name, vp->vers_num);
862 f_print(fout, ", 0)) {\n");
863 (void) sprintf(_errbuf, "unable to register (%s, %s).",
864 def->def_name, vp->vers_name);
865 print_err_message("\t\t\t");
866 f_print(fout, "\t\t\texit(1);\n");
867 f_print(fout, "\t\t}\n");
871 f_print(fout, "\t\tif (pmclose) {\n");
872 f_print(fout, "\t\t\t(void) signal(SIGALRM, closedown);\n");
873 f_print(fout, "\t\t\t(void) alarm(_RPCSVC_CLOSEDOWN/2);\n");
874 f_print(fout, "\t\t}\n");
876 f_print(fout, "\t\tsvc_run();\n");
877 f_print(fout, "\t\texit(1);\n");
878 f_print(fout, "\t\t/* NOTREACHED */\n");
879 f_print(fout, "\t}");
883 * Support for backgrounding the server if self started.
886 write_rpc_svc_fg(const char *infile, const char *sp)
888 f_print(fout, "#ifndef RPC_SVC_FG\n");
889 f_print(fout, "%sint size;\n", sp);
891 f_print(fout, "%sstruct rlimit rl;\n", sp);
893 f_print(fout, "%sint pid, i;\n\n", sp);
894 f_print(fout, "%spid = fork();\n", sp);
895 f_print(fout, "%sif (pid < 0) {\n", sp);
896 f_print(fout, "%s\tperror(\"cannot fork\");\n", sp);
897 f_print(fout, "%s\texit(1);\n", sp);
898 f_print(fout, "%s}\n", sp);
899 f_print(fout, "%sif (pid)\n", sp);
900 f_print(fout, "%s\texit(0);\n", sp);
901 /* get number of file descriptors */
903 f_print(fout, "%srl.rlim_max = 0;\n", sp);
904 f_print(fout, "%sif (getrlimit(RLIMIT_NOFILE, &rl) == -1) {\n",
906 f_print(fout, "%s\tperror(\"getrlimit\");\n", sp);
907 f_print(fout, "%s\texit(1);\n", sp);
908 f_print(fout, "%s}\n", sp);
909 f_print(fout, "%sif ((size = rl.rlim_max) == 0)\n", sp);
910 f_print(fout, "%s\texit(1);\n", sp);
912 f_print(fout, "%ssize = getdtablesize();\n", sp);
915 f_print(fout, "%sfor (i = 0; i < size; i++)\n", sp);
916 f_print(fout, "%s\t(void) close(i);\n", sp);
917 /* Redirect stderr and stdout to console */
918 f_print(fout, "%si = open(\"/dev/console\", 2);\n", sp);
919 f_print(fout, "%s(void) dup2(i, 1);\n", sp);
920 f_print(fout, "%s(void) dup2(i, 2);\n", sp);
921 /* This removes control of the controlling terminal */
923 f_print(fout, "%ssetsid();\n", sp);
925 f_print(fout, "%si = open(\"/dev/tty\", 2);\n", sp);
926 f_print(fout, "%sif (i >= 0) {\n", sp);
928 "%s\t(void) ioctl(i, TIOCNOTTY, (char *)NULL);\n", sp);
929 f_print(fout, "%s\t(void) close(i);\n", sp);
930 f_print(fout, "%s}\n", sp);
933 open_log_file(infile, sp);
934 f_print(fout, "#endif\n");
936 open_log_file(infile, sp);
940 open_log_file(const char *infile, const char *sp)
944 s = strrchr(infile, '.');
947 f_print(fout, "%sopenlog(\"%s\", LOG_PID, LOG_DAEMON);\n", sp, infile);
956 * write a registration for the given transport for Inetd
959 write_inetd_register(const char *transp)
972 if (streq(transp, "udp"))
979 "\tif ((_rpcfdtype == 0) || (_rpcfdtype == %s)) {\n",
980 isudp ? "SOCK_DGRAM" : "SOCK_STREAM");
982 f_print(fout, "%s\t%s = svc%s_create(%s",
983 sp, TRANSP, transp, inetdflag? "sock": "RPC_ANYSOCK");
985 f_print(fout, ", 0, 0");
986 f_print(fout, ");\n");
987 f_print(fout, "%s\tif (%s == NULL) {\n", sp, TRANSP);
988 (void) sprintf(_errbuf, "cannot create %s service.", transp);
989 (void) sprintf(tmpbuf, "%s\t\t", sp);
990 print_err_message(tmpbuf);
991 f_print(fout, "%s\t\texit(1);\n", sp);
992 f_print(fout, "%s\t}\n", sp);
995 f_print(fout, "%s\tif (!_rpcpmstart)\n\t", sp);
996 f_print(fout, "%s\tproto = IPPROTO_%s;\n",
997 sp, isudp ? "UDP": "TCP");
999 for (l = defined; l != NULL; l = l->next) {
1000 def = (definition *) l->val;
1001 if (def->def_kind != DEF_PROGRAM) {
1004 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
1005 f_print(fout, "%s\tif (!svc_register(%s, %s, %s, ",
1006 sp, TRANSP, def->def_name, vp->vers_name);
1007 pvname(def->def_name, vp->vers_num);
1009 f_print(fout, ", proto)) {\n");
1011 f_print(fout, ", IPPROTO_%s)) {\n",
1012 isudp ? "UDP": "TCP");
1013 (void) sprintf(_errbuf,
1014 "unable to register (%s, %s, %s).",
1015 def->def_name, vp->vers_name, transp);
1016 print_err_message(tmpbuf);
1017 f_print(fout, "%s\t\texit(1);\n", sp);
1018 f_print(fout, "%s\t}\n", sp);
1022 f_print(fout, "\t}\n");