* resolv/res_send.c (send_dg): If we already have one of two
[glibc.git] / sunrpc / rpc_main.c
blobbda432d3cd0f2f1ac613687a569107d5a3d0e0f6
1 /*
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 or with the express written consent of
8 * Sun Microsystems, Inc.
10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 * Sun RPC is provided with no support and without any obligation on the
15 * part of Sun Microsystems, Inc. to assist in its use, correction,
16 * modification or enhancement.
18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23 * or profits or other special, indirect and consequential damages, even if
24 * Sun has been advised of the possibility of such damages.
26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California 94043
32 * From @(#)rpc_main.c 1.30 89/03/30 (C) 1987 SMI;
36 * rpc_main.c, Top level of the RPC protocol compiler.
39 #include <errno.h>
40 #include <stdio.h>
41 #include <string.h>
42 #include <unistd.h>
43 #include <libintl.h>
44 #include <ctype.h>
45 #include <sys/types.h>
46 #include <sys/param.h>
47 #include <sys/file.h>
48 #include <sys/stat.h>
49 #include <sys/wait.h>
50 #include "rpc_parse.h"
51 #include "rpc_util.h"
52 #include "rpc_scan.h"
53 #include "proto.h"
55 #define EXTEND 1 /* alias for TRUE */
56 #define DONT_EXTEND 0 /* alias for FALSE */
58 struct commandline
60 int cflag; /* xdr C routines */
61 int hflag; /* header file */
62 int lflag; /* client side stubs */
63 int mflag; /* server side stubs */
64 int nflag; /* netid flag */
65 int sflag; /* server stubs for the given transport */
66 int tflag; /* dispatch Table file */
67 int Ssflag; /* produce server sample code */
68 int Scflag; /* produce client sample code */
69 int makefileflag; /* Generate a template Makefile */
70 const char *infile; /* input module name */
71 const char *outfile; /* output module name */
75 static const char *cmdname;
77 #define SVR4_CPP "/usr/ccs/lib/cpp"
78 #define SUNOS_CPP "/lib/cpp"
80 static const char *svcclosetime = "120";
81 static int cppDefined; /* explicit path for C preprocessor */
82 static const char *CPP = SUNOS_CPP;
83 static const char CPPFLAGS[] = "-C";
84 static char *pathbuf;
85 static int cpp_pid;
86 static const char *allv[] =
88 "rpcgen", "-s", "udp", "-s", "tcp"
90 static int allc = sizeof (allv) / sizeof (allv[0]);
91 static const char *allnv[] =
93 "rpcgen", "-s", "netpath",
95 static int allnc = sizeof (allnv) / sizeof (allnv[0]);
98 * machinations for handling expanding argument list
100 static void addarg (const char *); /* add another argument to the list */
101 static void putarg (int, const char *); /* put argument at specified location */
102 static void clear_args (void); /* clear argument list */
103 static void checkfiles (const char *, const char *);
104 /* check if out file already exists */
106 static void clear_args (void);
107 static char *extendfile (const char *file, const char *ext);
108 static void open_output (const char *infile, const char *outfile);
109 static void add_warning (void);
110 static void clear_args (void);
111 static void find_cpp (void);
112 static void open_input (const char *infile, const char *define);
113 static int check_nettype (const char *name, const char *list_to_check[]);
114 static void c_output (const char *infile, const char *define,
115 int extend, const char *outfile);
116 static void h_output (const char *infile, const char *define,
117 int extend, const char *outfile);
118 static void s_output (int argc, const char *argv[], const char *infile,
119 const char *define, int extend,
120 const char *outfile, int nomain, int netflag);
121 static void l_output (const char *infile, const char *define,
122 int extend, const char *outfile);
123 static void t_output (const char *infile, const char *define,
124 int extend, const char *outfile);
125 static void svc_output (const char *infile, const char *define,
126 int extend, const char *outfile);
127 static void clnt_output (const char *infile, const char *define,
128 int extend, const char *outfile);
129 static void mkfile_output (struct commandline *cmd);
130 static int do_registers (int argc, const char *argv[]);
131 static void addarg (const char *cp);
132 static void putarg (int whereto, const char *cp);
133 static void checkfiles (const char *infile, const char *outfile);
134 static int parseargs (int argc, const char *argv[], struct commandline *cmd);
135 static void usage (void) __attribute__ ((noreturn));
136 static void options_usage (void) __attribute__ ((noreturn));
137 static void c_initialize (void);
138 static char *generate_guard (const char *pathname);
141 #define ARGLISTLEN 20
142 #define FIXEDARGS 2
144 static const char *arglist[ARGLISTLEN];
145 static int argcount = FIXEDARGS;
148 int nonfatalerrors; /* errors */
149 int inetdflag /* = 1 */ ; /* Support for inetd *//* is now the default */
150 int pmflag; /* Support for port monitors */
151 int logflag; /* Use syslog instead of fprintf for errors */
152 int tblflag; /* Support for dispatch table file */
153 int mtflag; /* Support for MT */
155 #define INLINE 3
156 /*length at which to start doing an inline */
158 int inlineflag = INLINE; /* length at which to start doing an inline. 3 = default
159 if 0, no xdr_inline code */
161 int indefinitewait; /* If started by port monitors, hang till it wants */
162 int exitnow; /* If started by port monitors, exit after the call */
163 int timerflag; /* TRUE if !indefinite && !exitnow */
164 int newstyle; /* newstyle of passing arguments (by value) */
165 #ifdef __GNU_LIBRARY__
166 int Cflag = 1; /* ANSI C syntax */
167 #else
168 int Cflag; /* ANSI C/C++ syntax */
169 #endif
170 int CCflag; /* C++ files */
171 static int allfiles; /* generate all files */
172 #ifdef __GNU_LIBRARY__
173 int tirpcflag; /* generating code for tirpc, by default */
174 #else
175 int tirpcflag = 1; /* generating code for tirpc, by default */
176 #endif
177 xdrfunc *xdrfunc_head; /* xdr function list */
178 xdrfunc *xdrfunc_tail; /* xdr function list */
181 main (int argc, const char *argv[])
183 struct commandline cmd;
185 (void) memset ((char *) &cmd, 0, sizeof (struct commandline));
186 clear_args ();
187 if (!parseargs (argc, argv, &cmd))
188 usage ();
190 if (cmd.cflag || cmd.hflag || cmd.lflag || cmd.tflag || cmd.sflag ||
191 cmd.mflag || cmd.nflag || cmd.Ssflag || cmd.Scflag)
193 checkfiles (cmd.infile, cmd.outfile);
195 else
196 checkfiles (cmd.infile, NULL);
198 if (cmd.cflag)
199 c_output (cmd.infile, "-DRPC_XDR", DONT_EXTEND, cmd.outfile);
200 else if (cmd.hflag)
201 h_output (cmd.infile, "-DRPC_HDR", DONT_EXTEND, cmd.outfile);
202 else if (cmd.lflag)
203 l_output (cmd.infile, "-DRPC_CLNT", DONT_EXTEND, cmd.outfile);
204 else if (cmd.sflag || cmd.mflag || (cmd.nflag))
205 s_output (argc, argv, cmd.infile, "-DRPC_SVC", DONT_EXTEND,
206 cmd.outfile, cmd.mflag, cmd.nflag);
207 else if (cmd.tflag)
208 t_output (cmd.infile, "-DRPC_TBL", DONT_EXTEND, cmd.outfile);
209 else if (cmd.Ssflag)
210 svc_output (cmd.infile, "-DRPC_SERVER", DONT_EXTEND, cmd.outfile);
211 else if (cmd.Scflag)
212 clnt_output (cmd.infile, "-DRPC_CLIENT", DONT_EXTEND, cmd.outfile);
213 else if (cmd.makefileflag)
214 mkfile_output (&cmd);
215 else
217 /* the rescans are required, since cpp may effect input */
218 c_output (cmd.infile, "-DRPC_XDR", EXTEND, "_xdr.c");
219 reinitialize ();
220 h_output (cmd.infile, "-DRPC_HDR", EXTEND, ".h");
221 reinitialize ();
222 l_output (cmd.infile, "-DRPC_CLNT", EXTEND, "_clnt.c");
223 reinitialize ();
224 if (inetdflag || !tirpcflag)
225 s_output (allc, allv, cmd.infile, "-DRPC_SVC", EXTEND,
226 "_svc.c", cmd.mflag, cmd.nflag);
227 else
228 s_output (allnc, allnv, cmd.infile, "-DRPC_SVC",
229 EXTEND, "_svc.c", cmd.mflag, cmd.nflag);
230 if (tblflag)
232 reinitialize ();
233 t_output (cmd.infile, "-DRPC_TBL", EXTEND, "_tbl.i");
235 if (allfiles)
237 reinitialize ();
238 svc_output (cmd.infile, "-DRPC_SERVER", EXTEND, "_server.c");
239 reinitialize ();
240 clnt_output (cmd.infile, "-DRPC_CLIENT", EXTEND, "_client.c");
242 if (allfiles || (cmd.makefileflag == 1))
244 reinitialize ();
245 mkfile_output (&cmd);
249 return nonfatalerrors;
253 * add extension to filename
255 static char *
256 extendfile (const char *file, const char *ext)
258 char *res;
259 const char *p;
261 res = alloc (strlen (file) + strlen (ext) + 1);
262 if (res == NULL)
263 abort ();
264 p = strrchr (file, '.');
265 if (p == NULL)
266 p = file + strlen (file);
267 strcpy (res, file);
268 strcpy (res + (p - file), ext);
269 return res;
273 * Open output file with given extension
275 static void
276 open_output (const char *infile, const char *outfile)
278 if (outfile == NULL)
280 fout = stdout;
281 return;
284 if (infile != NULL && streq (outfile, infile))
286 fprintf (stderr, _ ("%s: output would overwrite %s\n"), cmdname,
287 infile);
288 crash ();
290 fout = fopen (outfile, "w");
291 if (fout == NULL)
293 fprintf (stderr, _ ("%s: unable to open %s: %m\n"), cmdname, outfile);
294 crash ();
296 record_open (outfile);
299 /* Close the output file and check for write errors. */
300 static void
301 close_output (const char *outfile)
303 if (fclose (fout) == EOF)
305 fprintf (stderr, _("%s: while writing output %s: %m"), cmdname,
306 outfile ?: "<stdout>");
307 crash ();
311 static void
312 add_warning (void)
314 fprintf (fout, "/*\n");
315 fprintf (fout, " * Please do not edit this file.\n");
316 fprintf (fout, " * It was generated using rpcgen.\n");
317 fprintf (fout, " */\n\n");
320 /* clear list of arguments */
321 static void
322 clear_args (void)
324 int i;
325 for (i = FIXEDARGS; i < ARGLISTLEN; ++i)
326 arglist[i] = NULL;
327 argcount = FIXEDARGS;
330 /* make sure that a CPP exists */
331 static void
332 find_cpp (void)
334 struct stat buf;
336 if (stat (CPP, &buf) < 0)
337 { /* /lib/cpp or explicit cpp does not exist */
338 if (cppDefined)
340 fprintf (stderr, _ ("cannot find C preprocessor: %s \n"), CPP);
341 crash ();
343 else
344 { /* try the other one */
345 CPP = SVR4_CPP;
346 if (stat (CPP, &buf) < 0)
347 { /* can't find any cpp */
348 fputs (_ ("cannot find any C preprocessor (cpp)\n"), stdout);
349 crash ();
356 * Open input file with given define for C-preprocessor
358 static void
359 open_input (const char *infile, const char *define)
361 int pd[2];
363 infilename = (infile == NULL) ? "<stdin>" : infile;
364 if (pipe (pd) != 0)
366 perror ("pipe");
367 exit (1);
369 cpp_pid = fork ();
370 switch (cpp_pid)
372 case 0:
373 find_cpp ();
374 putarg (0, CPP);
375 putarg (1, CPPFLAGS);
376 addarg (define);
377 if (infile)
378 addarg (infile);
379 addarg ((char *) NULL);
380 close (1);
381 dup2 (pd[1], 1);
382 close (pd[0]);
383 execv (arglist[0], (char **) arglist);
384 perror ("execv");
385 exit (1);
386 case -1:
387 perror ("fork");
388 exit (1);
390 close (pd[1]);
391 fin = fdopen (pd[0], "r");
392 if (fin == NULL)
394 fprintf (stderr, "%s: ", cmdname);
395 perror (infilename);
396 crash ();
400 /* Close the connection to the C-preprocessor and check for successfull
401 termination. */
402 static void
403 close_input (void)
405 int status;
407 fclose (fin);
408 /* Check the termination status. */
409 if (waitpid (cpp_pid, &status, 0) < 0)
411 perror ("waitpid");
412 crash ();
414 if (WIFSIGNALED (status) || WEXITSTATUS (status) != 0)
416 if (WIFSIGNALED (status))
417 fprintf (stderr, _("%s: C preprocessor failed with signal %d\n"),
418 cmdname, WTERMSIG (status));
419 else
420 fprintf (stderr, _("%s: C preprocessor failed with exit code %d\n"),
421 cmdname, WEXITSTATUS (status));
422 crash ();
426 /* valid tirpc nettypes */
427 static const char *valid_ti_nettypes[] =
429 "netpath",
430 "visible",
431 "circuit_v",
432 "datagram_v",
433 "circuit_n",
434 "datagram_n",
435 "udp",
436 "tcp",
437 "raw",
438 NULL
441 /* valid inetd nettypes */
442 static const char *valid_i_nettypes[] =
444 "udp",
445 "tcp",
446 NULL
449 static int
450 check_nettype (const char *name, const char *list_to_check[])
452 int i;
453 for (i = 0; list_to_check[i] != NULL; i++)
455 if (strcmp (name, list_to_check[i]) == 0)
457 return 1;
460 fprintf (stderr, _ ("illegal nettype: `%s'\n"), name);
461 return 0;
465 * Compile into an XDR routine output file
468 static void
469 c_output (const char *infile, const char *define, int extend,
470 const char *outfile)
472 definition *def;
473 char *include;
474 const char *outfilename;
475 long tell;
477 c_initialize ();
478 open_input (infile, define);
479 outfilename = extend ? extendfile (infile, outfile) : outfile;
480 open_output (infile, outfilename);
481 add_warning ();
482 if (infile && (include = extendfile (infile, ".h")))
484 fprintf (fout, "#include \"%s\"\n", include);
485 free (include);
486 /* .h file already contains rpc/rpc.h */
488 else
489 fprintf (fout, "#include <rpc/rpc.h>\n");
490 tell = ftell (fout);
491 while ((def = get_definition ()) != NULL)
492 emit (def);
494 if (extend && tell == ftell (fout))
495 unlink (outfilename);
496 close_input ();
497 close_output (outfilename);
500 void
501 c_initialize (void)
504 /* add all the starting basic types */
506 add_type (1, "int");
507 add_type (1, "long");
508 add_type (1, "short");
509 add_type (1, "bool");
511 add_type (1, "u_int");
512 add_type (1, "u_long");
513 add_type (1, "u_short");
517 char rpcgen_table_dcl[] = "struct rpcgen_table {\n\
518 char *(*proc)();\n\
519 xdrproc_t xdr_arg;\n\
520 unsigned len_arg;\n\
521 xdrproc_t xdr_res;\n\
522 unsigned len_res;\n\
523 };\n";
526 static char *
527 generate_guard (const char *pathname)
529 const char *filename;
530 char *guard, *tmp;
532 filename = strrchr (pathname, '/'); /* find last component */
533 filename = ((filename == NULL) ? pathname : filename + 1);
534 guard = extendfile (filename, "_H_RPCGEN");
535 /* convert to upper case */
536 tmp = guard;
537 while (*tmp)
539 if (islower (*tmp))
540 *tmp = toupper (*tmp);
541 tmp++;
544 return guard;
548 * Compile into an XDR header file
552 static void
553 h_output (const char *infile, const char *define, int extend,
554 const char *outfile)
556 xdrfunc *xdrfuncp;
557 definition *def;
558 const char *ifilename;
559 const char *outfilename;
560 long tell;
561 char *guard;
562 list *l;
564 open_input (infile, define);
565 outfilename = extend ? extendfile (infile, outfile) : outfile;
566 open_output (infile, outfilename);
567 add_warning ();
568 ifilename = (infile == NULL) ? "STDIN" : infile;
569 guard = generate_guard (outfilename ? outfilename : ifilename);
571 fprintf (fout, "#ifndef _%s\n#define _%s\n\n", guard,
572 guard);
574 fprintf (fout, "#include <rpc/rpc.h>\n\n");
576 if (mtflag)
578 fprintf (fout, "#include <pthread.h>\n");
581 /* put the C++ support */
582 if (Cflag && !CCflag)
584 fprintf (fout, "\n#ifdef __cplusplus\n");
585 fprintf (fout, "extern \"C\" {\n");
586 fprintf (fout, "#endif\n\n");
589 tell = ftell (fout);
590 /* print data definitions */
591 while ((def = get_definition ()) != NULL)
593 print_datadef (def);
596 /* print function declarations.
597 Do this after data definitions because they might be used as
598 arguments for functions */
599 for (l = defined; l != NULL; l = l->next)
601 print_funcdef (l->val);
603 /* Now print all xdr func declarations */
604 if (xdrfunc_head != NULL)
606 fprintf (fout, "\n/* the xdr functions */\n");
607 if (CCflag)
609 fprintf (fout, "\n#ifdef __cplusplus\n");
610 fprintf (fout, "extern \"C\" {\n");
611 fprintf (fout, "#endif\n");
613 if (!Cflag)
615 xdrfuncp = xdrfunc_head;
616 while (xdrfuncp != NULL)
618 print_xdr_func_def (xdrfuncp->name,
619 xdrfuncp->pointerp, 2);
620 xdrfuncp = xdrfuncp->next;
623 else
625 int i;
627 for (i = 1; i < 3; ++i)
629 if (i == 1)
630 fprintf (fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
631 else
632 fprintf (fout, "\n#else /* K&R C */\n");
634 xdrfuncp = xdrfunc_head;
635 while (xdrfuncp != NULL)
637 print_xdr_func_def (xdrfuncp->name,
638 xdrfuncp->pointerp, i);
639 xdrfuncp = xdrfuncp->next;
642 fprintf (fout, "\n#endif /* K&R C */\n");
646 if (extend && tell == ftell (fout))
648 unlink (outfilename);
650 else if (tblflag)
652 fprintf (fout, rpcgen_table_dcl);
655 if (Cflag)
657 fprintf (fout, "\n#ifdef __cplusplus\n");
658 fprintf (fout, "}\n");
659 fprintf (fout, "#endif\n");
662 fprintf (fout, "\n#endif /* !_%s */\n", guard);
663 free (guard);
664 close_input ();
665 close_output (outfilename);
669 * Compile into an RPC service
671 static void
672 s_output (int argc, const char *argv[], const char *infile, const char *define,
673 int extend, const char *outfile, int nomain, int netflag)
675 char *include;
676 definition *def;
677 int foundprogram = 0;
678 const char *outfilename;
680 open_input (infile, define);
681 outfilename = extend ? extendfile (infile, outfile) : outfile;
682 open_output (infile, outfilename);
683 add_warning ();
684 if (infile && (include = extendfile (infile, ".h")))
686 fprintf (fout, "#include \"%s\"\n", include);
687 free (include);
689 else
690 fprintf (fout, "#include <rpc/rpc.h>\n");
692 fprintf (fout, "#include <stdio.h>\n");
693 fprintf (fout, "#include <stdlib.h>\n");
694 fprintf (fout, "#include <rpc/pmap_clnt.h>\n");
695 if (Cflag)
696 fprintf (fout, "#include <string.h>\n");
697 if (strcmp (svcclosetime, "-1") == 0)
698 indefinitewait = 1;
699 else if (strcmp (svcclosetime, "0") == 0)
700 exitnow = 1;
701 else if (inetdflag || pmflag)
703 fprintf (fout, "#include <signal.h>\n");
704 timerflag = 1;
707 if (!tirpcflag && inetdflag)
708 #ifdef __GNU_LIBRARY__
709 fprintf (fout, "#include <sys/ioctl.h> /* ioctl, TIOCNOTTY */\n");
710 #else
711 fprintf (fout, "#include <sys/ttycom.h>/* TIOCNOTTY */\n");
712 #endif
713 if (Cflag && (inetdflag || pmflag))
715 #ifdef __GNU_LIBRARY__
716 fprintf (fout, "#include <sys/types.h> /* open */\n");
717 fprintf (fout, "#include <sys/stat.h> /* open */\n");
718 fprintf (fout, "#include <fcntl.h> /* open */\n");
719 fprintf (fout, "#include <unistd.h> /* getdtablesize */\n");
720 #else
721 fprintf (fout, "#ifdef __cplusplus\n");
722 fprintf (fout, "#include <sysent.h> /* getdtablesize, open */\n");
723 fprintf (fout, "#endif /* __cplusplus */\n");
724 if (tirpcflag)
725 fprintf (fout, "#include <unistd.h> /* setsid */\n");
726 #endif
728 #ifdef __GNU_LIBRARY__
729 if (tirpcflag && !(Cflag && (inetdflag || pmflag)))
730 #else
731 if (tirpcflag)
732 #endif
733 fprintf (fout, "#include <sys/types.h>\n");
735 fprintf (fout, "#include <memory.h>\n");
736 #ifndef __GNU_LIBRARY__
737 fprintf (fout, "#include <stropts.h>\n");
738 #endif
739 if (inetdflag || !tirpcflag)
741 fprintf (fout, "#include <sys/socket.h>\n");
742 fprintf (fout, "#include <netinet/in.h>\n");
745 if ((netflag || pmflag) && tirpcflag && !nomain)
747 fprintf (fout, "#include <netconfig.h>\n");
749 if ( /*timerflag && */ tirpcflag)
750 fprintf (fout, "#include <sys/resource.h> /* rlimit */\n");
751 if (logflag || inetdflag || pmflag)
753 #ifdef __GNU_LIBRARY__
754 fprintf (fout, "#include <syslog.h>\n");
755 #else
756 fprintf (fout, "#ifdef SYSLOG\n");
757 fprintf (fout, "#include <syslog.h>\n");
758 fprintf (fout, "#else\n");
759 fprintf (fout, "#define LOG_ERR 1\n");
760 fprintf (fout, "#define openlog(a, b, c)\n");
761 fprintf (fout, "#endif\n");
762 #endif
765 /* for ANSI-C */
766 if (Cflag)
767 fprintf (fout, "\n#ifndef SIG_PF\n#define SIG_PF void(*)(int)\n#endif\n");
769 #ifndef __GNU_LIBRARY__
770 fprintf (fout, "\n#ifdef DEBUG\n#define RPC_SVC_FG\n#endif\n");
771 #endif
772 if (timerflag)
773 fprintf (fout, "\n#define _RPCSVC_CLOSEDOWN %s\n", svcclosetime);
774 while ((def = get_definition ()) != NULL)
776 foundprogram |= (def->def_kind == DEF_PROGRAM);
778 if (extend && !foundprogram)
780 unlink (outfilename);
781 return;
783 write_most (infile, netflag, nomain);
784 if (!nomain)
786 if (!do_registers (argc, argv))
788 if (outfilename)
789 unlink (outfilename);
790 usage ();
792 write_rest ();
794 close_input ();
795 close_output (outfilename);
799 * generate client side stubs
801 static void
802 l_output (const char *infile, const char *define, int extend,
803 const char *outfile)
805 char *include;
806 definition *def;
807 int foundprogram = 0;
808 const char *outfilename;
810 open_input (infile, define);
811 outfilename = extend ? extendfile (infile, outfile) : outfile;
812 open_output (infile, outfilename);
813 add_warning ();
814 if (Cflag)
815 fprintf (fout, "#include <memory.h> /* for memset */\n");
816 if (infile && (include = extendfile (infile, ".h")))
818 fprintf (fout, "#include \"%s\"\n", include);
819 free (include);
821 else
822 fprintf (fout, "#include <rpc/rpc.h>\n");
823 while ((def = get_definition ()) != NULL)
825 foundprogram |= (def->def_kind == DEF_PROGRAM);
827 if (extend && !foundprogram)
829 unlink (outfilename);
830 return;
832 write_stubs ();
833 close_input ();
834 close_output (outfilename);
838 * generate the dispatch table
840 static void
841 t_output (const char *infile, const char *define, int extend,
842 const char *outfile)
844 definition *def;
845 int foundprogram = 0;
846 const char *outfilename;
848 open_input (infile, define);
849 outfilename = extend ? extendfile (infile, outfile) : outfile;
850 open_output (infile, outfilename);
851 add_warning ();
852 while ((def = get_definition ()) != NULL)
854 foundprogram |= (def->def_kind == DEF_PROGRAM);
856 if (extend && !foundprogram)
858 unlink (outfilename);
859 return;
861 write_tables ();
862 close_input ();
863 close_output (outfilename);
866 /* sample routine for the server template */
867 static void
868 svc_output (const char *infile, const char *define, int extend,
869 const char *outfile)
871 definition *def;
872 char *include;
873 const char *outfilename;
874 long tell;
876 open_input (infile, define);
877 outfilename = extend ? extendfile (infile, outfile) : outfile;
878 checkfiles (infile, outfilename);
879 /*check if outfile already exists.
880 if so, print an error message and exit */
881 open_output (infile, outfilename);
882 add_sample_msg ();
884 if (infile && (include = extendfile (infile, ".h")))
886 fprintf (fout, "#include \"%s\"\n", include);
887 free (include);
889 else
890 fprintf (fout, "#include <rpc/rpc.h>\n");
892 tell = ftell (fout);
893 while ((def = get_definition ()) != NULL)
895 write_sample_svc (def);
897 if (extend && tell == ftell (fout))
899 unlink (outfilename);
901 close_input ();
902 close_output (outfilename);
906 /* sample main routine for client */
907 static void
908 clnt_output (const char *infile, const char *define, int extend,
909 const char *outfile)
911 definition *def;
912 char *include;
913 const char *outfilename;
914 long tell;
915 int has_program = 0;
917 open_input (infile, define);
918 outfilename = extend ? extendfile (infile, outfile) : outfile;
919 checkfiles (infile, outfilename);
920 /*check if outfile already exists.
921 if so, print an error message and exit */
923 open_output (infile, outfilename);
924 add_sample_msg ();
925 if (infile && (include = extendfile (infile, ".h")))
927 fprintf (fout, "#include \"%s\"\n", include);
928 free (include);
930 else
931 fprintf (fout, "#include <rpc/rpc.h>\n");
932 tell = ftell (fout);
933 while ((def = get_definition ()) != NULL)
935 has_program += write_sample_clnt (def);
938 if (has_program)
939 write_sample_clnt_main ();
941 if (extend && tell == ftell (fout))
943 unlink (outfilename);
945 close_input ();
946 close_output (outfilename);
949 static const char space[] = " ";
951 static char *
952 file_name (const char *file, const char *ext)
954 char *temp;
955 temp = extendfile (file, ext);
957 if (access (temp, F_OK) != -1)
958 return (temp);
960 free (temp);
961 return (char *) space;
964 static void
965 mkfile_output (struct commandline *cmd)
967 char *mkfilename;
968 char *clientname, *clntname, *xdrname, *hdrname;
969 char *servername, *svcname, *servprogname, *clntprogname;
971 svcname = file_name (cmd->infile, "_svc.c");
972 clntname = file_name (cmd->infile, "_clnt.c");
973 xdrname = file_name (cmd->infile, "_xdr.c");
974 hdrname = file_name (cmd->infile, ".h");
976 if (allfiles)
978 servername = extendfile (cmd->infile, "_server.c");
979 clientname = extendfile (cmd->infile, "_client.c");
981 else
983 servername = (char *) space;
984 clientname = (char *) space;
986 servprogname = extendfile (cmd->infile, "_server");
987 clntprogname = extendfile (cmd->infile, "_client");
989 if (allfiles)
991 char *cp, *temp;
993 mkfilename = alloc (strlen ("Makefile.") + strlen (cmd->infile) + 1);
994 if (mkfilename == NULL)
995 abort ();
996 temp = rindex (cmd->infile, '.');
997 cp = stpcpy (mkfilename, "Makefile.");
998 strncpy (cp, cmd->infile, (temp - cmd->infile));
1000 else
1001 mkfilename = (char *) cmd->outfile;
1003 checkfiles (NULL, mkfilename);
1004 open_output (NULL, mkfilename);
1006 fprintf (fout, "\n# This is a template Makefile generated by rpcgen\n");
1008 f_print (fout, "\n# Parameters\n\n");
1010 f_print (fout, "CLIENT = %s\nSERVER = %s\n\n", clntprogname, servprogname);
1011 f_print (fout, "SOURCES_CLNT.c = \nSOURCES_CLNT.h = \n");
1012 f_print (fout, "SOURCES_SVC.c = \nSOURCES_SVC.h = \n");
1013 f_print (fout, "SOURCES.x = %s\n\n", cmd->infile);
1014 f_print (fout, "TARGETS_SVC.c = %s %s %s \n",
1015 svcname, servername, xdrname);
1016 f_print (fout, "TARGETS_CLNT.c = %s %s %s \n",
1017 clntname, clientname, xdrname);
1018 f_print (fout, "TARGETS = %s %s %s %s %s %s\n\n",
1019 hdrname, xdrname, clntname,
1020 svcname, clientname, servername);
1022 f_print (fout, "OBJECTS_CLNT = $(SOURCES_CLNT.c:%%.c=%%.o) \
1023 $(TARGETS_CLNT.c:%%.c=%%.o)");
1025 f_print (fout, "\nOBJECTS_SVC = $(SOURCES_SVC.c:%%.c=%%.o) \
1026 $(TARGETS_SVC.c:%%.c=%%.o)");
1028 f_print (fout, "\n# Compiler flags \n");
1029 if (mtflag)
1030 fprintf (fout, "\nCPPFLAGS += -D_REENTRANT\nCFLAGS += -g \nLDLIBS \
1031 += -lnsl -lpthread \n ");
1032 else
1033 f_print (fout, "\nCFLAGS += -g \nLDLIBS += -lnsl\n");
1034 f_print (fout, "RPCGENFLAGS = \n");
1036 f_print (fout, "\n# Targets \n\n");
1038 f_print (fout, "all : $(CLIENT) $(SERVER)\n\n");
1039 f_print (fout, "$(TARGETS) : $(SOURCES.x) \n");
1040 f_print (fout, "\trpcgen $(RPCGENFLAGS) $(SOURCES.x)\n\n");
1041 f_print (fout, "$(OBJECTS_CLNT) : $(SOURCES_CLNT.c) $(SOURCES_CLNT.h) \
1042 $(TARGETS_CLNT.c) \n\n");
1044 f_print (fout, "$(OBJECTS_SVC) : $(SOURCES_SVC.c) $(SOURCES_SVC.h) \
1045 $(TARGETS_SVC.c) \n\n");
1046 f_print (fout, "$(CLIENT) : $(OBJECTS_CLNT) \n");
1047 f_print (fout, "\t$(LINK.c) -o $(CLIENT) $(OBJECTS_CLNT) \
1048 $(LDLIBS) \n\n");
1049 f_print (fout, "$(SERVER) : $(OBJECTS_SVC) \n");
1050 f_print (fout, "\t$(LINK.c) -o $(SERVER) $(OBJECTS_SVC) $(LDLIBS)\n\n ");
1051 f_print (fout, "clean:\n\t $(RM) core $(TARGETS) $(OBJECTS_CLNT) \
1052 $(OBJECTS_SVC) $(CLIENT) $(SERVER)\n\n");
1053 close_output (mkfilename);
1055 free (clntprogname);
1056 free (servprogname);
1057 if (servername != space)
1058 free (servername);
1059 if (clientname != space)
1060 free (clientname);
1061 if (mkfilename != (char *) cmd->outfile)
1062 free (mkfilename);
1063 if (svcname != space)
1064 free (svcname);
1065 if (clntname != space)
1066 free (clntname);
1067 if (xdrname != space)
1068 free (xdrname);
1069 if (hdrname != space)
1070 free (hdrname);
1074 * Perform registrations for service output
1075 * Return 0 if failed; 1 otherwise.
1077 static int
1078 do_registers (int argc, const char *argv[])
1080 int i;
1082 if (inetdflag || !tirpcflag)
1084 for (i = 1; i < argc; i++)
1086 if (streq (argv[i], "-s"))
1088 if (!check_nettype (argv[i + 1], valid_i_nettypes))
1089 return 0;
1090 write_inetd_register (argv[i + 1]);
1091 i++;
1095 else
1097 for (i = 1; i < argc; i++)
1098 if (streq (argv[i], "-s"))
1100 if (!check_nettype (argv[i + 1], valid_ti_nettypes))
1101 return 0;
1102 write_nettype_register (argv[i + 1]);
1103 i++;
1105 else if (streq (argv[i], "-n"))
1107 write_netid_register (argv[i + 1]);
1108 i++;
1111 return 1;
1115 * Add another argument to the arg list
1117 static void
1118 addarg (const char *cp)
1120 if (argcount >= ARGLISTLEN)
1122 fprintf (stderr, _("rpcgen: too many defines\n"));
1123 crash ();
1124 /*NOTREACHED */
1126 arglist[argcount++] = cp;
1129 static void
1130 putarg (int whereto, const char *cp)
1132 if (whereto >= ARGLISTLEN)
1134 fprintf (stderr, _("rpcgen: arglist coding error\n"));
1135 crash ();
1136 /*NOTREACHED */
1138 arglist[whereto] = cp;
1142 * if input file is stdin and an output file is specified then complain
1143 * if the file already exists. Otherwise the file may get overwritten
1144 * If input file does not exist, exit with an error
1147 static void
1148 checkfiles (const char *infile, const char *outfile)
1150 struct stat buf;
1152 if (infile) /* infile ! = NULL */
1153 if (stat (infile, &buf) < 0)
1155 perror (infile);
1156 crash ();
1158 if (outfile)
1160 if (stat (outfile, &buf) < 0)
1161 return; /* file does not exist */
1162 else
1164 fprintf (stderr,
1165 /* TRANS: the file will not be removed; this is an
1166 TRANS: informative message. */
1167 _("file `%s' already exists and may be overwritten\n"),
1168 outfile);
1169 crash ();
1175 * Parse command line arguments
1177 static int
1178 parseargs (int argc, const char *argv[], struct commandline *cmd)
1180 int i;
1181 int j;
1182 int c;
1183 char flag[(1 << 8 * sizeof (char))];
1184 int nflags;
1186 cmdname = argv[0];
1187 cmd->infile = cmd->outfile = NULL;
1188 if (argc < 2)
1190 return (0);
1192 allfiles = 0;
1193 flag['c'] = 0;
1194 flag['h'] = 0;
1195 flag['l'] = 0;
1196 flag['m'] = 0;
1197 flag['o'] = 0;
1198 flag['s'] = 0;
1199 flag['n'] = 0;
1200 flag['t'] = 0;
1201 flag['S'] = 0;
1202 flag['C'] = 0;
1203 flag['M'] = 0;
1205 for (i = 1; i < argc; i++)
1207 if (argv[i][0] != '-')
1209 if (cmd->infile)
1211 fprintf (stderr,
1212 _("Cannot specify more than one input file!\n"));
1213 return 0;
1215 cmd->infile = argv[i];
1217 else
1219 for (j = 1; argv[i][j] != 0; j++)
1221 c = argv[i][j];
1222 switch (c)
1224 case 'a':
1225 allfiles = 1;
1226 break;
1227 case 'c':
1228 case 'h':
1229 case 'l':
1230 case 'm':
1231 case 't':
1232 if (flag[c])
1233 return 0;
1234 flag[c] = 1;
1235 break;
1236 case 'S':
1237 /* sample flag: Ss or Sc.
1238 Ss means set flag['S'];
1239 Sc means set flag['C'];
1240 Sm means set flag['M']; */
1241 c = argv[i][++j]; /* get next char */
1242 if (c == 's')
1243 c = 'S';
1244 else if (c == 'c')
1245 c = 'C';
1246 else if (c == 'm')
1247 c = 'M';
1248 else
1249 return 0;
1251 if (flag[c])
1252 return 0;
1253 flag[c] = 1;
1254 break;
1255 case 'C': /* ANSI C syntax */
1256 Cflag = 1;
1257 break;
1259 #ifdef __GNU_LIBRARY__
1260 case 'k': /* K&R C syntax */
1261 Cflag = 0;
1262 break;
1264 #endif
1265 case 'b': /* turn TIRPC flag off for
1266 generating backward compatible
1268 tirpcflag = 0;
1269 break;
1271 #ifdef __GNU_LIBRARY__
1272 case '5': /* turn TIRPC flag on for
1273 generating SysVr4 compatible
1275 tirpcflag = 1;
1276 break;
1277 #endif
1278 case 'I':
1279 inetdflag = 1;
1280 break;
1281 case 'N':
1282 newstyle = 1;
1283 break;
1284 case 'L':
1285 logflag = 1;
1286 break;
1287 case 'K':
1288 if (++i == argc)
1290 return (0);
1292 svcclosetime = argv[i];
1293 goto nextarg;
1294 case 'T':
1295 tblflag = 1;
1296 break;
1297 case 'M':
1298 mtflag = 1;
1299 break;
1300 case 'i':
1301 if (++i == argc)
1303 return (0);
1305 inlineflag = atoi (argv[i]);
1306 goto nextarg;
1307 case 'n':
1308 case 'o':
1309 case 's':
1310 if (argv[i][j - 1] != '-' ||
1311 argv[i][j + 1] != 0)
1313 return (0);
1315 flag[c] = 1;
1316 if (++i == argc)
1318 return (0);
1320 if (c == 's')
1322 if (!streq (argv[i], "udp") &&
1323 !streq (argv[i], "tcp"))
1324 return 0;
1326 else if (c == 'o')
1328 if (cmd->outfile)
1329 return 0;
1330 cmd->outfile = argv[i];
1332 goto nextarg;
1333 case 'D':
1334 if (argv[i][j - 1] != '-')
1335 return 0;
1336 addarg (argv[i]);
1337 goto nextarg;
1338 case 'Y':
1339 if (++i == argc)
1340 return 0;
1342 size_t len = strlen (argv[i]);
1343 pathbuf = malloc (len + 5);
1344 if (pathbuf == NULL)
1346 perror (cmdname);
1347 crash ();
1349 stpcpy (stpcpy (pathbuf,
1350 argv[i]),
1351 "/cpp");
1352 CPP = pathbuf;
1353 cppDefined = 1;
1354 goto nextarg;
1357 default:
1358 return 0;
1361 nextarg:
1366 cmd->cflag = flag['c'];
1367 cmd->hflag = flag['h'];
1368 cmd->lflag = flag['l'];
1369 cmd->mflag = flag['m'];
1370 cmd->nflag = flag['n'];
1371 cmd->sflag = flag['s'];
1372 cmd->tflag = flag['t'];
1373 cmd->Ssflag = flag['S'];
1374 cmd->Scflag = flag['C'];
1375 cmd->makefileflag = flag['M'];
1377 #ifndef _RPC_THREAD_SAFE_
1378 if (mtflag || newstyle)
1380 /* glibc doesn't support these flags. */
1381 f_print (stderr,
1382 _("This implementation doesn't support newstyle or MT-safe code!\n"));
1383 return (0);
1385 #endif
1386 if (tirpcflag)
1388 pmflag = inetdflag ? 0 : 1; /* pmflag or inetdflag is always TRUE */
1389 if ((inetdflag && cmd->nflag))
1390 { /* netid not allowed with inetdflag */
1391 fprintf (stderr, _("Cannot use netid flag with inetd flag!\n"));
1392 return 0;
1395 else
1396 { /* 4.1 mode */
1397 pmflag = 0; /* set pmflag only in tirpcmode */
1398 #ifndef __GNU_LIBRARY__
1399 inetdflag = 1; /* inetdflag is TRUE by default */
1400 #endif
1401 if (cmd->nflag)
1402 { /* netid needs TIRPC */
1403 f_print (stderr, _("Cannot use netid flag without TIRPC!\n"));
1404 return (0);
1408 if (newstyle && (tblflag || cmd->tflag))
1410 f_print (stderr, _("Cannot use table flags with newstyle!\n"));
1411 return (0);
1414 /* check no conflicts with file generation flags */
1415 nflags = cmd->cflag + cmd->hflag + cmd->lflag + cmd->mflag +
1416 cmd->sflag + cmd->nflag + cmd->tflag + cmd->Ssflag + cmd->Scflag;
1418 if (nflags == 0)
1420 if (cmd->outfile != NULL || cmd->infile == NULL)
1422 return (0);
1425 else if (cmd->infile == NULL &&
1426 (cmd->Ssflag || cmd->Scflag || cmd->makefileflag))
1428 fprintf (stderr,
1429 _("\"infile\" is required for template generation flags.\n"));
1430 return 0;
1432 if (nflags > 1)
1434 fprintf (stderr, _("Cannot have more than one file generation flag!\n"));
1435 return 0;
1437 return 1;
1440 static void
1441 usage (void)
1443 fprintf (stderr, _("usage: %s infile\n"), cmdname);
1444 fprintf (stderr, _("\t%s [-abkCLNTM][-Dname[=value]] [-i size] \
1445 [-I [-K seconds]] [-Y path] infile\n"), cmdname);
1446 fprintf (stderr, _("\t%s [-c | -h | -l | -m | -t | -Sc | -Ss | -Sm] \
1447 [-o outfile] [infile]\n"), cmdname);
1448 fprintf (stderr, _("\t%s [-s nettype]* [-o outfile] [infile]\n"), cmdname);
1449 fprintf (stderr, _("\t%s [-n netid]* [-o outfile] [infile]\n"), cmdname);
1450 options_usage ();
1451 exit (1);
1454 static void
1455 options_usage (void)
1457 f_print (stderr, "options:\n");
1458 f_print (stderr, "-a\t\tgenerate all files, including samples\n");
1459 f_print (stderr, "-b\t\tbackward compatibility mode (generates code for SunOS 4.1)\n");
1460 f_print (stderr, "-c\t\tgenerate XDR routines\n");
1461 f_print (stderr, "-C\t\tANSI C mode\n");
1462 f_print (stderr, "-Dname[=value]\tdefine a symbol (same as #define)\n");
1463 f_print (stderr, "-h\t\tgenerate header file\n");
1464 f_print (stderr, "-i size\t\tsize at which to start generating inline code\n");
1465 f_print (stderr, "-I\t\tgenerate code for inetd support in server (for SunOS 4.1)\n");
1466 f_print (stderr, "-K seconds\tserver exits after K seconds of inactivity\n");
1467 f_print (stderr, "-l\t\tgenerate client side stubs\n");
1468 f_print (stderr, "-L\t\tserver errors will be printed to syslog\n");
1469 f_print (stderr, "-m\t\tgenerate server side stubs\n");
1470 f_print (stderr, "-M\t\tgenerate MT-safe code\n");
1471 f_print (stderr, "-n netid\tgenerate server code that supports named netid\n");
1472 f_print (stderr, "-N\t\tsupports multiple arguments and call-by-value\n");
1473 f_print (stderr, "-o outfile\tname of the output file\n");
1474 f_print (stderr, "-s nettype\tgenerate server code that supports named nettype\n");
1475 f_print (stderr, "-Sc\t\tgenerate sample client code that uses remote procedures\n");
1476 f_print (stderr, "-Ss\t\tgenerate sample server code that defines remote procedures\n");
1477 f_print (stderr, "-Sm \t\tgenerate makefile template \n");
1478 f_print (stderr, "-t\t\tgenerate RPC dispatch table\n");
1479 f_print (stderr, "-T\t\tgenerate code to support RPC dispatch tables\n");
1480 f_print (stderr, "-Y path\t\tdirectory name to find C preprocessor (cpp)\n");
1482 exit (1);