rpc_main.c revision 1.29 1 /* $NetBSD: rpc_main.c,v 1.29 2008/01/12 05:49:46 dholland Exp $ */
2
3 /*
4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5 * unrestricted use provided that this legend is included on all tape
6 * media and as a part of the software program in whole or part. Users
7 * may copy or modify Sun RPC without charge, but are not authorized
8 * to license or distribute it to anyone else except as part of a product or
9 * program developed by the user or with the express written consent of
10 * Sun Microsystems, Inc.
11 *
12 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
13 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
14 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
15 *
16 * Sun RPC is provided with no support and without any obligation on the
17 * part of Sun Microsystems, Inc. to assist in its use, correction,
18 * modification or enhancement.
19 *
20 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
21 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
22 * OR ANY PART THEREOF.
23 *
24 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
25 * or profits or other special, indirect and consequential damages, even if
26 * Sun has been advised of the possibility of such damages.
27 *
28 * Sun Microsystems, Inc.
29 * 2550 Garcia Avenue
30 * Mountain View, California 94043
31 */
32
33 #if HAVE_NBTOOL_CONFIG_H
34 #include "nbtool_config.h"
35 #endif
36
37 #include <sys/cdefs.h>
38 #if defined(__RCSID) && !defined(lint)
39 #if 0
40 static char sccsid[] = "@(#)rpc_main.c 1.30 89/03/30 (C) 1987 SMI";
41 #else
42 __RCSID("$NetBSD: rpc_main.c,v 1.29 2008/01/12 05:49:46 dholland Exp $");
43 #endif
44 #endif
45
46 /*
47 * rpc_main.c, Top level of the RPC protocol compiler.
48 */
49
50 #define RPCGEN_VERSION "199506"/* This program's version (year & month) */
51
52 #include <sys/types.h>
53 #include <sys/param.h>
54 #include <sys/file.h>
55 #include <sys/stat.h>
56 #include <ctype.h>
57 #include <err.h>
58 #include <stdio.h>
59 #include <stdlib.h>
60 #include <string.h>
61 #include <unistd.h>
62 #include "rpc_scan.h"
63 #include "rpc_parse.h"
64 #include "rpc_util.h"
65
66 #define EXTEND 1 /* alias for TRUE */
67 #define DONT_EXTEND 0 /* alias for FALSE */
68
69 struct commandline {
70 int cflag; /* xdr C routines */
71 int hflag; /* header file */
72 int lflag; /* client side stubs */
73 int mflag; /* server side stubs */
74 int nflag; /* netid flag */
75 int sflag; /* server stubs for the given transport */
76 int tflag; /* dispatch Table file */
77 int Ssflag; /* produce server sample code */
78 int Scflag; /* produce client sample code */
79 char *infile; /* input module name */
80 char *outfile; /* output module name */
81 };
82
83
84 static char *cmdname;
85
86 static char *svcclosetime = "120";
87 static char *CPP;
88 static char CPPFLAGS[] = "-C";
89 static char pathbuf[MAXPATHLEN + 1];
90 static char *allv[] = {
91 "rpcgen", "-s", "udp", "-s", "tcp",
92 };
93 static int allc = sizeof(allv) / sizeof(allv[0]);
94 static char *allnv[] = {
95 "rpcgen", "-s", "netpath",
96 };
97 static int allnc = sizeof(allnv) / sizeof(allnv[0]);
98
99 #define ARGLISTLEN 20
100 #define FIXEDARGS 2
101
102 static char *arglist[ARGLISTLEN];
103 static int argcount = FIXEDARGS;
104
105
106 int nonfatalerrors; /* errors */
107 int inetdflag /* = 1 */ ; /* Support for inetd *//* is now the default */
108 int pmflag; /* Support for port monitors */
109 int logflag; /* Use syslog instead of fprintf for errors */
110 int tblflag; /* Support for dispatch table file */
111 int callerflag; /* Generate svc_caller() function */
112
113 #define INLINE 3
114 /*length at which to start doing an inline */
115
116 int doinline = INLINE; /* length at which to start doing an inline. 3
117 * = default if 0, no xdr_inline code */
118
119 int indefinitewait; /* If started by port monitors, hang till it
120 * wants */
121 int exitnow; /* If started by port monitors, exit after the
122 * call */
123 int timerflag; /* TRUE if !indefinite && !exitnow */
124 int newstyle; /* newstyle of passing arguments (by value) */
125 int Cflag = 0; /* ANSI C syntax */
126 int Mflag = 0; /* multithread safe */
127 static int allfiles; /* generate all files */
128 int tirpcflag = 1; /* generating code for tirpc, by default */
129
130 #ifdef __MSDOS__
131 static char *dos_cppfile = NULL;
132 #endif
133
134 int main __P((int, char *[]));
135
136 static char *extendfile __P((char *, char *));
137 static void open_output __P((char *, char *));
138 static void add_warning __P((void));
139 static void clear_args __P((void));
140 static void open_input __P((char *, char *));
141 static int check_nettype __P((char *, char *[]));
142 static void c_output __P((char *, char *, int, char *));
143 static void c_initialize __P((void));
144 static char *generate_guard __P((char *));
145 static void h_output __P((char *, char *, int, char *));
146 static void s_output __P((int, char *[], char *, char *, int, char *, int, int));
147 static void l_output __P((char *, char *, int, char *));
148 static void t_output __P((char *, char *, int, char *));
149 static void svc_output __P((char *, char *, int, char *));
150 static void clnt_output __P((char *, char *, int, char *));
151 static int do_registers __P((int, char *[]));
152 static void addarg __P((char *));
153 static void putarg __P((int, char *));
154 static void checkfiles __P((char *, char *));
155 static int parseargs __P((int, char *[], struct commandline *));
156 static void usage __P((void));
157 static void options_usage __P((void));
158
159 int
160 main(argc, argv)
161 int argc;
162 char *argv[];
163 {
164 struct commandline cmd;
165
166 setprogname(argv[0]);
167 if (!(CPP = getenv("CPP")))
168 CPP = "/usr/bin/cpp";
169
170 (void) memset((char *) &cmd, 0, sizeof(struct commandline));
171 clear_args();
172 if (!parseargs(argc, argv, &cmd))
173 usage();
174
175 if (cmd.cflag || cmd.hflag || cmd.lflag || cmd.tflag || cmd.sflag ||
176 cmd.mflag || cmd.nflag || cmd.Ssflag || cmd.Scflag) {
177 checkfiles(cmd.infile, cmd.outfile);
178 } else
179 checkfiles(cmd.infile, NULL);
180
181 if (cmd.cflag) {
182 c_output(cmd.infile, "-DRPC_XDR", DONT_EXTEND, cmd.outfile);
183 } else
184 if (cmd.hflag) {
185 h_output(cmd.infile, "-DRPC_HDR", DONT_EXTEND, cmd.outfile);
186 } else
187 if (cmd.lflag) {
188 l_output(cmd.infile, "-DRPC_CLNT", DONT_EXTEND, cmd.outfile);
189 } else
190 if (cmd.sflag || cmd.mflag || (cmd.nflag)) {
191 s_output(argc, argv, cmd.infile, "-DRPC_SVC", DONT_EXTEND,
192 cmd.outfile, cmd.mflag, cmd.nflag);
193 } else
194 if (cmd.tflag) {
195 t_output(cmd.infile, "-DRPC_TBL", DONT_EXTEND, cmd.outfile);
196 } else
197 if (cmd.Ssflag) {
198 svc_output(cmd.infile, "-DRPC_SERVER", DONT_EXTEND, cmd.outfile);
199 } else
200 if (cmd.Scflag) {
201 clnt_output(cmd.infile, "-DRPC_CLIENT", DONT_EXTEND, cmd.outfile);
202 } else {
203 /* the rescans
204 * are
205 * required,
206 * since cpp
207 * may effect
208 * input */
209 c_output(cmd.infile, "-DRPC_XDR", EXTEND, "_xdr.c");
210 reinitialize();
211 h_output(cmd.infile, "-DRPC_HDR", EXTEND, ".h");
212 reinitialize();
213 l_output(cmd.infile, "-DRPC_CLNT", EXTEND, "_clnt.c");
214 reinitialize();
215 if (inetdflag || !tirpcflag)
216 s_output(allc, allv, cmd.infile, "-DRPC_SVC", EXTEND,
217 "_svc.c", cmd.mflag, cmd.nflag);
218 else
219 s_output(allnc, allnv, cmd.infile, "-DRPC_SVC",
220 EXTEND, "_svc.c", cmd.mflag, cmd.nflag);
221 if (tblflag) {
222 reinitialize();
223 t_output(cmd.infile, "-DRPC_TBL", EXTEND, "_tbl.i");
224 }
225 if (allfiles) {
226 reinitialize();
227 svc_output(cmd.infile, "-DRPC_SERVER", EXTEND, "_server.c");
228 }
229 if (allfiles) {
230 reinitialize();
231 clnt_output(cmd.infile, "-DRPC_CLIENT", EXTEND, "_client.c");
232 }
233 }
234 #ifdef __MSDOS__
235 if (dos_cppfile != NULL) {
236 (void) fclose(fin);
237 (void) unlink(dos_cppfile);
238 }
239 #endif
240 exit(nonfatalerrors);
241 /* NOTREACHED */
242 }
243 /*
244 * add extension to filename
245 */
246 static char *
247 extendfile(path, ext)
248 char *path;
249 char *ext;
250 {
251 char *file;
252 char *res;
253 char *p;
254
255 if ((file = strrchr(path, '/')) == NULL)
256 file = path;
257 else
258 file++;
259
260 res = alloc(strlen(file) + strlen(ext) + 1);
261 if (res == NULL) {
262 errx(1, "Out of memory");
263 }
264 p = strrchr(file, '.');
265 if (p == NULL) {
266 p = file + strlen(file);
267 }
268 (void) strcpy(res, file);
269 (void) strcpy(res + (p - file), ext);
270 return (res);
271 }
272 /*
273 * Open output file with given extension
274 */
275 static void
276 open_output(infile, outfile)
277 char *infile;
278 char *outfile;
279 {
280
281 if (outfile == NULL) {
282 fout = stdout;
283 return;
284 }
285 if (infile != NULL && streq(outfile, infile)) {
286 f_print(stderr, "%s: output would overwrite %s\n", cmdname,
287 infile);
288 crash();
289 }
290 fout = fopen(outfile, "w");
291 if (fout == NULL) {
292 f_print(stderr, "%s: unable to open ", cmdname);
293 perror(outfile);
294 crash();
295 }
296 record_open(outfile);
297
298 }
299
300 static void
301 add_warning()
302 {
303 f_print(fout, "/*\n");
304 f_print(fout, " * Please do not edit this file.\n");
305 f_print(fout, " * It was generated using rpcgen.\n");
306 f_print(fout, " */\n\n");
307 }
308 /* clear list of arguments */
309 static void
310 clear_args()
311 {
312 int i;
313 for (i = FIXEDARGS; i < ARGLISTLEN; i++)
314 arglist[i] = NULL;
315 argcount = FIXEDARGS;
316 }
317
318 /*
319 * Open input file with given define for C-preprocessor
320 */
321 static void
322 open_input(infile, define)
323 char *infile;
324 char *define;
325 {
326 int pd[2];
327
328 infilename = (infile == NULL) ? "<stdin>" : infile;
329 #ifdef __MSDOS__
330 #define DOSCPP "\\prog\\bc31\\bin\\cpp.exe"
331 {
332 int retval;
333 char drive[MAXDRIVE], dir[MAXDIR], name[MAXFILE], ext[MAXEXT];
334 char cppfile[MAXPATH];
335 char *cpp;
336
337 if ((cpp = searchpath("cpp.exe")) == NULL
338 && (cpp = getenv("RPCGENCPP")) == NULL)
339 cpp = DOSCPP;
340
341 putarg(0, cpp);
342 putarg(1, "-P-");
343 putarg(2, CPPFLAGS);
344 addarg(define);
345 addarg(infile);
346 addarg(NULL);
347
348 retval = spawnvp(P_WAIT, arglist[0], arglist);
349 if (retval != 0) {
350 fprintf(stderr, "%s: C PreProcessor failed\n", cmdname);
351 crash();
352 }
353 fnsplit(infile, drive, dir, name, ext);
354 fnmerge(cppfile, drive, dir, name, ".i");
355
356 fin = fopen(cppfile, "r");
357 if (fin == NULL) {
358 f_print(stderr, "%s: ", cmdname);
359 perror(cppfile);
360 crash();
361 }
362 dos_cppfile = strdup(cppfile);
363 if (dos_cppfile == NULL) {
364 fprintf(stderr, "%s: out of memory\n", cmdname);
365 crash();
366 }
367 }
368 #else
369 (void) pipe(pd);
370 switch (fork()) {
371 case 0:
372 putarg(0, CPP);
373 putarg(1, CPPFLAGS);
374 addarg(define);
375 addarg(infile);
376 addarg((char *) NULL);
377 (void) close(1);
378 (void) dup2(pd[1], 1);
379 (void) close(pd[0]);
380 execvp(arglist[0], arglist);
381 err(1, "$CPP: %s", CPP);
382 case -1:
383 perror("fork");
384 exit(1);
385 }
386 (void) close(pd[1]);
387 fin = fdopen(pd[0], "r");
388 #endif
389 if (fin == NULL) {
390 f_print(stderr, "%s: ", cmdname);
391 perror(infilename);
392 crash();
393 }
394 }
395 /* valid tirpc nettypes */
396 static char *valid_ti_nettypes[] =
397 {
398 "netpath",
399 "visible",
400 "circuit_v",
401 "datagram_v",
402 "circuit_n",
403 "datagram_n",
404 "udp",
405 "tcp",
406 "raw",
407 NULL
408 };
409 /* valid inetd nettypes */
410 static char *valid_i_nettypes[] =
411 {
412 "udp",
413 "tcp",
414 NULL
415 };
416
417 static int
418 check_nettype(name, list_to_check)
419 char *name;
420 char *list_to_check[];
421 {
422 int i;
423 for (i = 0; list_to_check[i] != NULL; i++) {
424 if (strcmp(name, list_to_check[i]) == 0) {
425 return 1;
426 }
427 }
428 f_print(stderr, "illegal nettype :\'%s\'\n", name);
429 return 0;
430 }
431 /*
432 * Compile into an XDR routine output file
433 */
434
435 static void
436 c_output(infile, define, extend, outfile)
437 char *infile;
438 char *define;
439 int extend;
440 char *outfile;
441 {
442 definition *def;
443 char *include;
444 char *outfilename;
445 long tell;
446
447 c_initialize();
448 open_input(infile, define);
449 outfilename = extend ? extendfile(infile, outfile) : outfile;
450 open_output(infile, outfilename);
451 add_warning();
452 if (infile && (include = extendfile(infile, ".h"))) {
453 f_print(fout, "#include \"%s\"\n", include);
454 free(include);
455 /* .h file already contains rpc/rpc.h */
456 } else
457 f_print(fout, "#include <rpc/rpc.h>\n");
458 tell = ftell(fout);
459 while ((def = get_definition()) != NULL) {
460 emit(def);
461 }
462 if (extend && tell == ftell(fout)) {
463 (void) unlink(outfilename);
464 }
465 }
466
467
468 static void
469 c_initialize()
470 {
471
472 /* add all the starting basic types */
473
474 add_type(1, "int");
475 add_type(1, "long");
476 add_type(1, "short");
477 add_type(1, "bool");
478
479 add_type(1, "u_int");
480 add_type(1, "u_long");
481 add_type(1, "u_short");
482
483 }
484
485 const char rpcgen_table_dcl[] = "struct rpcgen_table {\n\
486 char *(*proc)();\n\
487 xdrproc_t xdr_arg;\n\
488 unsigned len_arg;\n\
489 xdrproc_t xdr_res;\n\
490 unsigned len_res;\n\
491 };\n";
492
493
494 static char *
495 generate_guard(pathname)
496 char *pathname;
497 {
498 char *filename, *guard, *tmp, *tmp2;
499
500 filename = strrchr(pathname, '/'); /* find last component */
501 filename = ((filename == 0) ? pathname : filename + 1);
502 guard = strdup(filename);
503 /* convert to upper case */
504 tmp = guard;
505 while (*tmp) {
506 *tmp = toupper((unsigned char)*tmp);
507 tmp++;
508 }
509
510 tmp2 = extendfile(guard, "_H_RPCGEN");
511 free(guard);
512 guard = tmp2;
513 return (guard);
514 }
515 /*
516 * Compile into an XDR header file
517 */
518
519 static void
520 h_output(infile, define, extend, outfile)
521 char *infile;
522 char *define;
523 int extend;
524 char *outfile;
525 {
526 definition *def;
527 char *outfilename;
528 long tell;
529 char *guard;
530 list *l;
531
532 open_input(infile, define);
533 outfilename = extend ? extendfile(infile, outfile) : outfile;
534 open_output(infile, outfilename);
535 add_warning();
536 guard = generate_guard(outfilename ? outfilename : infile);
537
538 f_print(fout, "#ifndef _%s\n#define _%s\n\n", guard,
539 guard);
540
541 f_print(fout, "#define RPCGEN_VERSION\t%s\n\n", RPCGEN_VERSION);
542 f_print(fout, "#include <rpc/rpc.h>\n\n");
543
544 tell = ftell(fout);
545 /* print data definitions */
546 while ((def = get_definition()) != NULL) {
547 print_datadef(def);
548 }
549
550 /* print function declarations. Do this after data definitions
551 * because they might be used as arguments for functions */
552 for (l = defined; l != NULL; l = l->next) {
553 print_funcdef(l->val);
554 }
555 if (extend && tell == ftell(fout)) {
556 (void) unlink(outfilename);
557 } else
558 if (tblflag) {
559 f_print(fout, rpcgen_table_dcl);
560 }
561 f_print(fout, "\n#endif /* !_%s */\n", guard);
562
563 free(guard);
564 }
565 /*
566 * Compile into an RPC service
567 */
568 static void
569 s_output(argc, argv, infile, define, extend, outfile, nomain, netflag)
570 int argc;
571 char *argv[];
572 char *infile;
573 char *define;
574 int extend;
575 char *outfile;
576 int nomain;
577 int netflag;
578 {
579 char *include;
580 definition *def;
581 int foundprogram = 0;
582 char *outfilename;
583
584 open_input(infile, define);
585 outfilename = extend ? extendfile(infile, outfile) : outfile;
586 open_output(infile, outfilename);
587 add_warning();
588 if (infile && (include = extendfile(infile, ".h"))) {
589 f_print(fout, "#include \"%s\"\n", include);
590 free(include);
591 } else
592 f_print(fout, "#include <rpc/rpc.h>\n");
593
594 f_print(fout, "#include <sys/ioctl.h>\n");
595 f_print(fout, "#include <fcntl.h>\n");
596 f_print(fout, "#include <stdio.h>\n");
597 f_print(fout, "#include <stdlib.h>\n");
598 if (Cflag) {
599 f_print(fout, "#include <unistd.h>\n");
600 f_print(fout,
601 "#include <rpc/pmap_clnt.h>\n");
602 f_print(fout, "#include <string.h>\n");
603 }
604 f_print(fout, "#include <netdb.h>\n");
605 if (strcmp(svcclosetime, "-1") == 0)
606 indefinitewait = 1;
607 else
608 if (strcmp(svcclosetime, "0") == 0)
609 exitnow = 1;
610 else
611 if (inetdflag || pmflag) {
612 f_print(fout, "#include <signal.h>\n");
613 timerflag = 1;
614 }
615 if (!tirpcflag && inetdflag)
616 f_print(fout, "#include <sys/ttycom.h>\n");
617 if (Cflag && (inetdflag || pmflag)) {
618 f_print(fout, "#ifdef __cplusplus\n");
619 f_print(fout, "#include <sysent.h>\n");
620 f_print(fout, "#endif /* __cplusplus */\n");
621 }
622 if (tirpcflag)
623 f_print(fout, "#include <sys/types.h>\n");
624
625 f_print(fout, "#include <memory.h>\n");
626
627 if (inetdflag || !tirpcflag) {
628 f_print(fout, "#include <sys/socket.h>\n");
629 f_print(fout, "#include <netinet/in.h>\n");
630 }
631 if ((netflag || pmflag) && tirpcflag) {
632 f_print(fout, "#include <netconfig.h>\n");
633 }
634 if ( /* timerflag && */ tirpcflag)
635 f_print(fout, "#include <sys/resource.h>\n");
636 if (logflag || inetdflag || pmflag)
637 f_print(fout, "#include <syslog.h>\n");
638
639 /* for ANSI-C */
640 f_print(fout, "\n#ifdef __STDC__\n#define SIG_PF void(*)(int)\n#endif\n");
641
642 f_print(fout, "\n#ifdef DEBUG\n#define RPC_SVC_FG\n#endif\n");
643 if (timerflag)
644 f_print(fout, "\n#define _RPCSVC_CLOSEDOWN %s\n", svcclosetime);
645 while ((def = get_definition()) != NULL) {
646 foundprogram |= (def->def_kind == DEF_PROGRAM);
647 }
648 if (extend && !foundprogram) {
649 (void) unlink(outfilename);
650 return;
651 }
652 if (callerflag) /* EVAS */
653 f_print(fout, "\nstatic SVCXPRT *caller;\n"); /* EVAS */
654 write_most(infile, netflag, nomain);
655 if (!nomain) {
656 if (!do_registers(argc, argv)) {
657 if (outfilename)
658 (void) unlink(outfilename);
659 usage();
660 }
661 write_rest();
662 }
663 }
664 /*
665 * generate client side stubs
666 */
667 static void
668 l_output(infile, define, extend, outfile)
669 char *infile;
670 char *define;
671 int extend;
672 char *outfile;
673 {
674 char *include;
675 definition *def;
676 int foundprogram = 0;
677 char *outfilename;
678
679 open_input(infile, define);
680 outfilename = extend ? extendfile(infile, outfile) : outfile;
681 open_output(infile, outfilename);
682 add_warning();
683 if (Cflag)
684 f_print(fout, "#include <memory.h>\n");
685 if (infile && (include = extendfile(infile, ".h"))) {
686 f_print(fout, "#include \"%s\"\n", include);
687 free(include);
688 } else
689 f_print(fout, "#include <rpc/rpc.h>\n");
690 while ((def = get_definition()) != NULL) {
691 foundprogram |= (def->def_kind == DEF_PROGRAM);
692 }
693 if (extend && !foundprogram) {
694 (void) unlink(outfilename);
695 return;
696 }
697 write_stubs();
698 }
699 /*
700 * generate the dispatch table
701 */
702 static void
703 t_output(infile, define, extend, outfile)
704 char *infile;
705 char *define;
706 int extend;
707 char *outfile;
708 {
709 definition *def;
710 int foundprogram = 0;
711 char *outfilename;
712
713 open_input(infile, define);
714 outfilename = extend ? extendfile(infile, outfile) : outfile;
715 open_output(infile, outfilename);
716 add_warning();
717 while ((def = get_definition()) != NULL) {
718 foundprogram |= (def->def_kind == DEF_PROGRAM);
719 }
720 if (extend && !foundprogram) {
721 (void) unlink(outfilename);
722 return;
723 }
724 write_tables();
725 }
726 /* sample routine for the server template */
727 static void
728 svc_output(infile, define, extend, outfile)
729 char *infile;
730 char *define;
731 int extend;
732 char *outfile;
733 {
734 definition *def;
735 char *include;
736 char *outfilename;
737 long tell;
738
739 open_input(infile, define);
740 outfilename = extend ? extendfile(infile, outfile) : outfile;
741 checkfiles(infile, outfilename); /* check if outfile already
742 * exists. if so, print an
743 * error message and exit */
744 open_output(infile, outfilename);
745 add_sample_msg();
746
747 if (infile && (include = extendfile(infile, ".h"))) {
748 f_print(fout, "#include \"%s\"\n", include);
749 free(include);
750 } else
751 f_print(fout, "#include <rpc/rpc.h>\n");
752
753 tell = ftell(fout);
754 while ((def = get_definition()) != NULL) {
755 write_sample_svc(def);
756 }
757 if (extend && tell == ftell(fout)) {
758 (void) unlink(outfilename);
759 }
760 }
761
762
763 /* sample main routine for client */
764 static void
765 clnt_output(infile, define, extend, outfile)
766 char *infile;
767 char *define;
768 int extend;
769 char *outfile;
770 {
771 definition *def;
772 char *include;
773 char *outfilename;
774 long tell;
775 int has_program = 0;
776
777 open_input(infile, define);
778 outfilename = extend ? extendfile(infile, outfile) : outfile;
779 checkfiles(infile, outfilename); /* check if outfile already
780 * exists. if so, print an
781 * error message and exit */
782
783 open_output(infile, outfilename);
784 add_sample_msg();
785 if (Cflag)
786 f_print(fout, "#include <stdio.h>\n");
787 if (infile && (include = extendfile(infile, ".h"))) {
788 f_print(fout, "#include \"%s\"\n", include);
789 free(include);
790 } else
791 f_print(fout, "#include <rpc/rpc.h>\n");
792 tell = ftell(fout);
793 while ((def = get_definition()) != NULL) {
794 has_program += write_sample_clnt(def);
795 }
796
797 if (has_program)
798 write_sample_clnt_main();
799
800 if (extend && tell == ftell(fout)) {
801 (void) unlink(outfilename);
802 }
803 }
804 /*
805 * Perform registrations for service output
806 * Return 0 if failed; 1 otherwise.
807 */
808 static int
809 do_registers(argc, argv)
810 int argc;
811 char *argv[];
812 {
813 int i;
814
815 if (inetdflag || !tirpcflag) {
816 for (i = 1; i < argc; i++) {
817 if (streq(argv[i], "-s")) {
818 if (!check_nettype(argv[i + 1], valid_i_nettypes))
819 return 0;
820 write_inetd_register(argv[i + 1]);
821 i++;
822 }
823 }
824 } else {
825 for (i = 1; i < argc; i++)
826 if (streq(argv[i], "-s")) {
827 if (!check_nettype(argv[i + 1], valid_ti_nettypes))
828 return 0;
829 write_nettype_register(argv[i + 1]);
830 i++;
831 } else
832 if (streq(argv[i], "-n")) {
833 write_netid_register(argv[i + 1]);
834 i++;
835 }
836 }
837 return 1;
838 }
839 /*
840 * Add another argument to the arg list
841 */
842 static void
843 addarg(cp)
844 char *cp;
845 {
846 if (argcount >= ARGLISTLEN) {
847 f_print(stderr, "rpcgen: too many defines\n");
848 crash();
849 /* NOTREACHED */
850 }
851 arglist[argcount++] = cp;
852
853 }
854
855 static void
856 putarg(where, cp)
857 char *cp;
858 int where;
859 {
860 if (where >= ARGLISTLEN) {
861 f_print(stderr, "rpcgen: arglist coding error\n");
862 crash();
863 /* NOTREACHED */
864 }
865 arglist[where] = cp;
866
867 }
868 /*
869 * if input file is stdin and an output file is specified then complain
870 * if the file already exists. Otherwise the file may get overwritten
871 * If input file does not exist, exit with an error
872 */
873
874 static void
875 checkfiles(infile, outfile)
876 char *infile;
877 char *outfile;
878 {
879
880 struct stat buf;
881
882 if (infile) /* infile ! = NULL */
883 if (stat(infile, &buf) < 0) {
884 perror(infile);
885 crash();
886 };
887 #if 0
888 if (outfile) {
889 if (stat(outfile, &buf) < 0)
890 return; /* file does not exist */
891 else {
892 f_print(stderr,
893 "file '%s' already exists and may be overwritten\n", outfile);
894 crash();
895 }
896 }
897 #endif
898 }
899 /*
900 * Parse command line arguments
901 */
902 static int
903 parseargs(argc, argv, cmd)
904 int argc;
905 char *argv[];
906 struct commandline *cmd;
907 {
908 int i;
909 int j;
910 int c;
911 char flag[1 << CHAR_BIT];
912 int nflags;
913
914 cmdname = argv[0];
915 cmd->infile = cmd->outfile = NULL;
916 if (argc < 2) {
917 return (0);
918 }
919 allfiles = 0;
920 flag['c'] = 0;
921 flag['h'] = 0;
922 flag['l'] = 0;
923 flag['m'] = 0;
924 flag['o'] = 0;
925 flag['s'] = 0;
926 flag['n'] = 0;
927 flag['t'] = 0;
928 flag['S'] = 0;
929 flag['C'] = 0;
930 for (i = 1; i < argc; i++) {
931 if (argv[i][0] != '-') {
932 if (cmd->infile) {
933 f_print(stderr, "Cannot specify more than one input file!\n");
934
935 return (0);
936 }
937 cmd->infile = argv[i];
938 } else {
939 for (j = 1; argv[i][j] != 0; j++) {
940 c = argv[i][j];
941 switch (c) {
942 case 'A':
943 callerflag = 1;
944 break;
945 case 'a':
946 allfiles = 1;
947 break;
948 case 'c':
949 case 'h':
950 case 'l':
951 case 'm':
952 case 't':
953 if (flag[c]) {
954 return (0);
955 }
956 flag[c] = 1;
957 break;
958 case 'S':
959 /* sample flag: Ss or Sc. Ss means set
960 * flag['S']; Sc means set flag['C']; */
961 c = argv[i][++j]; /* get next char */
962 if (c == 's')
963 c = 'S';
964 else
965 if (c == 'c')
966 c = 'C';
967 else
968 return (0);
969
970 if (flag[c]) {
971 return (0);
972 }
973 flag[c] = 1;
974 break;
975 case 'C': /* ANSI C syntax */
976 Cflag = 1;
977 break;
978
979 case 'b': /* turn TIRPC flag off for
980 * generating backward
981 * compatible */
982 tirpcflag = 0;
983 break;
984
985 case 'I':
986 inetdflag = 1;
987 break;
988 case 'M':
989 Mflag = 1;
990 break;
991 case 'N':
992 newstyle = 1;
993 break;
994 case 'L':
995 logflag = 1;
996 break;
997 case 'K':
998 if (++i == argc) {
999 return (0);
1000 }
1001 svcclosetime = argv[i];
1002 goto nextarg;
1003 case 'T':
1004 tblflag = 1;
1005 break;
1006 case 'i':
1007 if (++i == argc) {
1008 return (0);
1009 }
1010 doinline = atoi(argv[i]);
1011 goto nextarg;
1012 case 'n':
1013 case 'o':
1014 case 's':
1015 if (argv[i][j - 1] != '-' ||
1016 argv[i][j + 1] != 0) {
1017 return (0);
1018 }
1019 flag[c] = 1;
1020 if (++i == argc) {
1021 return (0);
1022 }
1023 if (c == 's') {
1024 if (!streq(argv[i], "udp") &&
1025 !streq(argv[i], "tcp")) {
1026 return (0);
1027 }
1028 } else
1029 if (c == 'o') {
1030 if (cmd->outfile) {
1031 return (0);
1032 }
1033 cmd->outfile = argv[i];
1034 }
1035 goto nextarg;
1036 case 'D':
1037 if (argv[i][j - 1] != '-') {
1038 return (0);
1039 }
1040 (void) addarg(argv[i]);
1041 goto nextarg;
1042 case 'Y':
1043 if (++i == argc) {
1044 return (0);
1045 }
1046 (void) strlcpy(pathbuf, argv[i],
1047 sizeof(pathbuf));
1048 (void) strlcat(pathbuf, "/cpp",
1049 sizeof(pathbuf));
1050 CPP = pathbuf;
1051 goto nextarg;
1052
1053 case 'v':
1054 printf("version 1.0\n");
1055 exit(0);
1056
1057 default:
1058 return (0);
1059 }
1060 }
1061 nextarg:
1062 ;
1063 }
1064 }
1065
1066 cmd->cflag = flag['c'];
1067 cmd->hflag = flag['h'];
1068 cmd->lflag = flag['l'];
1069 cmd->mflag = flag['m'];
1070 cmd->nflag = flag['n'];
1071 cmd->sflag = flag['s'];
1072 cmd->tflag = flag['t'];
1073 cmd->Ssflag = flag['S'];
1074 cmd->Scflag = flag['C'];
1075
1076 if (tirpcflag) {
1077 pmflag = inetdflag ? 0 : 1; /* pmflag or inetdflag is
1078 * always TRUE */
1079 if ((inetdflag && cmd->nflag)) { /* netid not allowed
1080 * with inetdflag */
1081 f_print(stderr, "Cannot use netid flag with inetd flag!\n");
1082 return (0);
1083 }
1084 } else { /* 4.1 mode */
1085 pmflag = 0; /* set pmflag only in tirpcmode */
1086 inetdflag = 1; /* inetdflag is TRUE by default */
1087 if (cmd->nflag) { /* netid needs TIRPC */
1088 f_print(stderr, "Cannot use netid flag without TIRPC!\n");
1089 return (0);
1090 }
1091 }
1092
1093 if (newstyle && (tblflag || cmd->tflag)) {
1094 f_print(stderr, "Cannot use table flags with newstyle!\n");
1095 return (0);
1096 }
1097 /* check no conflicts with file generation flags */
1098 nflags = cmd->cflag + cmd->hflag + cmd->lflag + cmd->mflag +
1099 cmd->sflag + cmd->nflag + cmd->tflag + cmd->Ssflag + cmd->Scflag;
1100
1101 if (nflags == 0) {
1102 if (cmd->outfile != NULL || cmd->infile == NULL) {
1103 return (0);
1104 }
1105 } else
1106 if (nflags > 1) {
1107 f_print(stderr, "Cannot have more than one file generation flag!\n");
1108 return (0);
1109 }
1110 return (1);
1111 }
1112
1113 static void
1114 usage()
1115 {
1116 f_print(stderr, "usage: %s infile\n", cmdname);
1117 f_print(stderr, "\t%s [-a][-b][-C][-Dname[=value]] -i size [-I [-K seconds]] [-A] [-M] [-N] [-T] infile\n",
1118 cmdname);
1119 f_print(stderr, "\t%s [-L] [-M] [-c | -h | -l | -m | -t | -Sc | -Ss] [-o outfile] [infile]\n",
1120 cmdname);
1121 f_print(stderr, "\t%s [-s nettype]* [-o outfile] [infile]\n", cmdname);
1122 f_print(stderr, "\t%s [-n netid]* [-o outfile] [infile]\n", cmdname);
1123 options_usage();
1124 exit(1);
1125 }
1126
1127 static void
1128 options_usage()
1129 {
1130 f_print(stderr, "options:\n");
1131 f_print(stderr, "-A\t\tgenerate svc_caller() function\n");
1132 f_print(stderr, "-a\t\tgenerate all files, including samples\n");
1133 f_print(stderr, "-b\t\tbackward compatibility mode (generates code for SunOS 4.1)\n");
1134 f_print(stderr, "-c\t\tgenerate XDR routines\n");
1135 f_print(stderr, "-C\t\tANSI C mode\n");
1136 f_print(stderr, "-Dname[=value]\tdefine a symbol (same as #define)\n");
1137 f_print(stderr, "-h\t\tgenerate header file\n");
1138 f_print(stderr, "-i size\t\tsize at which to start generating inline code\n");
1139 f_print(stderr, "-I\t\tgenerate code for inetd support in server (for SunOS 4.1)\n");
1140 f_print(stderr, "-K seconds\tserver exits after K seconds of inactivity\n");
1141 f_print(stderr, "-l\t\tgenerate client side stubs\n");
1142 f_print(stderr, "-L\t\tserver errors will be printed to syslog\n");
1143 f_print(stderr, "-m\t\tgenerate server side stubs\n");
1144 f_print(stderr, "-M\t\tgenerate thread-safe stubs\n");
1145 f_print(stderr, "-n netid\tgenerate server code that supports named netid\n");
1146 f_print(stderr, "-N\t\tsupports multiple arguments and call-by-value\n");
1147 f_print(stderr, "-o outfile\tname of the output file\n");
1148 f_print(stderr, "-s nettype\tgenerate server code that supports named nettype\n");
1149 f_print(stderr, "-Sc\t\tgenerate sample client code that uses remote procedures\n");
1150 f_print(stderr, "-Ss\t\tgenerate sample server code that defines remote procedures\n");
1151 f_print(stderr, "-t\t\tgenerate RPC dispatch table\n");
1152 f_print(stderr, "-T\t\tgenerate code to support RPC dispatch tables\n");
1153 f_print(stderr, "-Y path\t\tdirectory name to find C preprocessor (cpp)\n");
1154
1155 exit(1);
1156 }
1157