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[glibc.git] / sunrpc / rpc_main.c
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1 /*
2 * From @(#)rpc_main.c 1.30 89/03/30
4 * Copyright (c) 2010, Oracle America, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following
13 * disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 * * Neither the name of the "Oracle America, Inc." nor the names of its
16 * contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
23 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
24 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
26 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 * rpc_main.c, Top level of the RPC protocol compiler.
37 #include <errno.h>
38 #include <stdio.h>
39 #include <string.h>
40 #include <unistd.h>
41 #include <libintl.h>
42 #include <ctype.h>
43 #include <sys/types.h>
44 #include <sys/param.h>
45 #include <sys/file.h>
46 #include <sys/stat.h>
47 #include <sys/wait.h>
48 #include "rpc_parse.h"
49 #include "rpc_util.h"
50 #include "rpc_scan.h"
51 #include "proto.h"
53 #include "../version.h"
54 #define PACKAGE _libc_intl_domainname
56 #define EXTEND 1 /* alias for TRUE */
57 #define DONT_EXTEND 0 /* alias for FALSE */
59 struct commandline
61 int cflag; /* xdr C routines */
62 int hflag; /* header file */
63 int lflag; /* client side stubs */
64 int mflag; /* server side stubs */
65 int nflag; /* netid flag */
66 int sflag; /* server stubs for the given transport */
67 int tflag; /* dispatch Table file */
68 int Ssflag; /* produce server sample code */
69 int Scflag; /* produce client sample code */
70 int makefileflag; /* Generate a template Makefile */
71 const char *infile; /* input module name */
72 const char *outfile; /* output module name */
76 static const char *cmdname;
78 static const char *svcclosetime = "120";
79 static int cppDefined; /* explicit path for C preprocessor */
80 static const char *CPP = "/lib/cpp";
81 static const char CPPFLAGS[] = "-C";
82 static char *pathbuf;
83 static int cpp_pid;
84 static const char *allv[] =
86 "rpcgen", "-s", "udp", "-s", "tcp"
88 static int allc = sizeof (allv) / sizeof (allv[0]);
89 static const char *allnv[] =
91 "rpcgen", "-s", "netpath",
93 static int allnc = sizeof (allnv) / sizeof (allnv[0]);
96 * machinations for handling expanding argument list
98 static void addarg (const char *); /* add another argument to the list */
99 static void putarg (int, const char *); /* put argument at specified location */
100 static void clear_args (void); /* clear argument list */
101 static void checkfiles (const char *, const char *);
102 /* check if out file already exists */
104 static void clear_args (void);
105 static char *extendfile (const char *file, const char *ext);
106 static void open_output (const char *infile, const char *outfile);
107 static void add_warning (void);
108 static void clear_args (void);
109 static void find_cpp (void);
110 static void open_input (const char *infile, const char *define);
111 static int check_nettype (const char *name, const char *list_to_check[]);
112 static void c_output (const char *infile, const char *define,
113 int extend, const char *outfile);
114 static void h_output (const char *infile, const char *define,
115 int extend, const char *outfile);
116 static void s_output (int argc, const char *argv[], const char *infile,
117 const char *define, int extend,
118 const char *outfile, int nomain, int netflag);
119 static void l_output (const char *infile, const char *define,
120 int extend, const char *outfile);
121 static void t_output (const char *infile, const char *define,
122 int extend, const char *outfile);
123 static void svc_output (const char *infile, const char *define,
124 int extend, const char *outfile);
125 static void clnt_output (const char *infile, const char *define,
126 int extend, const char *outfile);
127 static void mkfile_output (struct commandline *cmd);
128 static int do_registers (int argc, const char *argv[]);
129 static void addarg (const char *cp);
130 static void putarg (int whereto, const char *cp);
131 static void checkfiles (const char *infile, const char *outfile);
132 static int parseargs (int argc, const char *argv[], struct commandline *cmd);
133 static void usage (FILE *stream, int status) __attribute__ ((noreturn));
134 static void options_usage (FILE *stream, int status) __attribute__ ((noreturn));
135 static void print_version (void);
136 static void c_initialize (void);
137 static char *generate_guard (const char *pathname);
140 #define ARGLISTLEN 20
141 #define FIXEDARGS 2
143 static const char *arglist[ARGLISTLEN];
144 static int argcount = FIXEDARGS;
147 int nonfatalerrors; /* errors */
148 int inetdflag /* = 1 */ ; /* Support for inetd *//* is now the default */
149 int pmflag; /* Support for port monitors */
150 int logflag; /* Use syslog instead of fprintf for errors */
151 int tblflag; /* Support for dispatch table file */
152 int mtflag; /* Support for MT */
154 #define INLINE 3
155 /*length at which to start doing an inline */
157 int inlineflag = INLINE; /* length at which to start doing an inline. 3 = default
158 if 0, no xdr_inline code */
160 int indefinitewait; /* If started by port monitors, hang till it wants */
161 int exitnow; /* If started by port monitors, exit after the call */
162 int timerflag; /* TRUE if !indefinite && !exitnow */
163 int newstyle; /* newstyle of passing arguments (by value) */
164 int Cflag = 1; /* ANSI C syntax */
165 int CCflag; /* C++ files */
166 static int allfiles; /* generate all files */
167 int tirpcflag; /* generating code for tirpc, by default */
168 xdrfunc *xdrfunc_head; /* xdr function list */
169 xdrfunc *xdrfunc_tail; /* xdr function list */
172 main (int argc, const char *argv[])
174 struct commandline cmd;
176 (void) memset ((char *) &cmd, 0, sizeof (struct commandline));
177 clear_args ();
178 if (!parseargs (argc, argv, &cmd))
179 usage (stderr, 1);
181 if (cmd.cflag || cmd.hflag || cmd.lflag || cmd.tflag || cmd.sflag ||
182 cmd.mflag || cmd.nflag || cmd.Ssflag || cmd.Scflag)
184 checkfiles (cmd.infile, cmd.outfile);
186 else
187 checkfiles (cmd.infile, NULL);
189 if (cmd.cflag)
190 c_output (cmd.infile, "-DRPC_XDR", DONT_EXTEND, cmd.outfile);
191 else if (cmd.hflag)
192 h_output (cmd.infile, "-DRPC_HDR", DONT_EXTEND, cmd.outfile);
193 else if (cmd.lflag)
194 l_output (cmd.infile, "-DRPC_CLNT", DONT_EXTEND, cmd.outfile);
195 else if (cmd.sflag || cmd.mflag || (cmd.nflag))
196 s_output (argc, argv, cmd.infile, "-DRPC_SVC", DONT_EXTEND,
197 cmd.outfile, cmd.mflag, cmd.nflag);
198 else if (cmd.tflag)
199 t_output (cmd.infile, "-DRPC_TBL", DONT_EXTEND, cmd.outfile);
200 else if (cmd.Ssflag)
201 svc_output (cmd.infile, "-DRPC_SERVER", DONT_EXTEND, cmd.outfile);
202 else if (cmd.Scflag)
203 clnt_output (cmd.infile, "-DRPC_CLIENT", DONT_EXTEND, cmd.outfile);
204 else if (cmd.makefileflag)
205 mkfile_output (&cmd);
206 else
208 /* the rescans are required, since cpp may effect 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)
223 reinitialize ();
224 t_output (cmd.infile, "-DRPC_TBL", EXTEND, "_tbl.i");
226 if (allfiles)
228 reinitialize ();
229 svc_output (cmd.infile, "-DRPC_SERVER", EXTEND, "_server.c");
230 reinitialize ();
231 clnt_output (cmd.infile, "-DRPC_CLIENT", EXTEND, "_client.c");
233 if (allfiles || (cmd.makefileflag == 1))
235 reinitialize ();
236 mkfile_output (&cmd);
240 return nonfatalerrors;
244 * add extension to filename
246 static char *
247 extendfile (const char *file, const char *ext)
249 char *res;
250 const char *p;
252 res = alloc (strlen (file) + strlen (ext) + 1);
253 if (res == NULL)
254 abort ();
255 p = strrchr (file, '.');
256 if (p == NULL)
257 p = file + strlen (file);
258 strcpy (res, file);
259 strcpy (res + (p - file), ext);
260 return res;
264 * Open output file with given extension
266 static void
267 open_output (const char *infile, const char *outfile)
269 if (outfile == NULL)
271 fout = stdout;
272 return;
275 if (infile != NULL && streq (outfile, infile))
277 fprintf (stderr, _ ("%s: output would overwrite %s\n"), cmdname,
278 infile);
279 crash ();
281 fout = fopen (outfile, "w");
282 if (fout == NULL)
284 fprintf (stderr, _ ("%s: unable to open %s: %m\n"), cmdname, outfile);
285 crash ();
287 record_open (outfile);
290 /* Close the output file and check for write errors. */
291 static void
292 close_output (const char *outfile)
294 if (fclose (fout) == EOF)
296 fprintf (stderr, _("%s: while writing output %s: %m"), cmdname,
297 outfile ?: "<stdout>");
298 crash ();
302 static void
303 add_warning (void)
305 fprintf (fout, "/*\n");
306 fprintf (fout, " * Please do not edit this file.\n");
307 fprintf (fout, " * It was generated using rpcgen.\n");
308 fprintf (fout, " */\n\n");
311 /* clear list of arguments */
312 static void
313 clear_args (void)
315 int i;
316 for (i = FIXEDARGS; i < ARGLISTLEN; ++i)
317 arglist[i] = NULL;
318 argcount = FIXEDARGS;
321 /* make sure that a CPP exists */
322 static void
323 find_cpp (void)
325 struct stat buf;
327 if (stat (CPP, &buf) == 0)
328 return;
330 if (cppDefined) /* user specified cpp but it does not exist */
332 fprintf (stderr, _ ("cannot find C preprocessor: %s\n"), CPP);
333 crash ();
336 /* fall back to system CPP */
337 CPP = "cpp";
341 * Open input file with given define for C-preprocessor
343 static void
344 open_input (const char *infile, const char *define)
346 int pd[2];
348 infilename = (infile == NULL) ? "<stdin>" : infile;
349 if (pipe (pd) != 0)
351 perror ("pipe");
352 exit (1);
354 cpp_pid = fork ();
355 switch (cpp_pid)
357 case 0:
358 find_cpp ();
359 putarg (0, CPP);
360 putarg (1, CPPFLAGS);
361 addarg (define);
362 if (infile)
363 addarg (infile);
364 addarg ((char *) NULL);
365 close (1);
366 dup2 (pd[1], 1);
367 close (pd[0]);
368 execvp (arglist[0], (char **) arglist);
369 if (errno == ENOENT)
371 fprintf (stderr, _ ("cannot find C preprocessor: %s\n"), CPP);
372 exit (1);
374 perror ("execvp");
375 exit (1);
376 case -1:
377 perror ("fork");
378 exit (1);
380 close (pd[1]);
381 fin = fdopen (pd[0], "r");
382 if (fin == NULL)
384 fprintf (stderr, "%s: ", cmdname);
385 perror (infilename);
386 crash ();
390 /* Close the connection to the C-preprocessor and check for successfull
391 termination. */
392 static void
393 close_input (void)
395 int status;
397 fclose (fin);
398 /* Check the termination status. */
399 if (waitpid (cpp_pid, &status, 0) < 0)
401 perror ("waitpid");
402 crash ();
404 if (WIFSIGNALED (status) || WEXITSTATUS (status) != 0)
406 if (WIFSIGNALED (status))
407 fprintf (stderr, _("%s: C preprocessor failed with signal %d\n"),
408 cmdname, WTERMSIG (status));
409 else
410 fprintf (stderr, _("%s: C preprocessor failed with exit code %d\n"),
411 cmdname, WEXITSTATUS (status));
412 crash ();
416 /* valid tirpc nettypes */
417 static const char *valid_ti_nettypes[] =
419 "netpath",
420 "visible",
421 "circuit_v",
422 "datagram_v",
423 "circuit_n",
424 "datagram_n",
425 "udp",
426 "tcp",
427 "raw",
428 NULL
431 /* valid inetd nettypes */
432 static const char *valid_i_nettypes[] =
434 "udp",
435 "tcp",
436 NULL
439 static int
440 check_nettype (const char *name, const char *list_to_check[])
442 int i;
443 for (i = 0; list_to_check[i] != NULL; i++)
445 if (strcmp (name, list_to_check[i]) == 0)
447 return 1;
450 fprintf (stderr, _ ("illegal nettype: `%s'\n"), name);
451 return 0;
455 * Compile into an XDR routine output file
458 static void
459 c_output (const char *infile, const char *define, int extend,
460 const char *outfile)
462 definition *def;
463 char *include;
464 const char *outfilename;
465 long tell;
467 c_initialize ();
468 open_input (infile, define);
469 outfilename = extend ? extendfile (infile, outfile) : outfile;
470 open_output (infile, outfilename);
471 add_warning ();
472 if (infile && (include = extendfile (infile, ".h")))
474 fprintf (fout, "#include \"%s\"\n", include);
475 free (include);
476 /* .h file already contains rpc/rpc.h */
478 else
479 fprintf (fout, "#include <rpc/rpc.h>\n");
480 tell = ftell (fout);
481 while ((def = get_definition ()) != NULL)
482 emit (def);
484 if (extend && tell == ftell (fout))
485 unlink (outfilename);
486 close_input ();
487 close_output (outfilename);
490 void
491 c_initialize (void)
494 /* add all the starting basic types */
496 add_type (1, "int");
497 add_type (1, "long");
498 add_type (1, "short");
499 add_type (1, "bool");
501 add_type (1, "u_int");
502 add_type (1, "u_long");
503 add_type (1, "u_short");
507 char rpcgen_table_dcl[] = "struct rpcgen_table {\n\
508 char *(*proc)();\n\
509 xdrproc_t xdr_arg;\n\
510 unsigned len_arg;\n\
511 xdrproc_t xdr_res;\n\
512 unsigned len_res;\n\
513 };\n";
516 static char *
517 generate_guard (const char *pathname)
519 const char *filename;
520 char *guard, *tmp;
522 filename = strrchr (pathname, '/'); /* find last component */
523 filename = ((filename == NULL) ? pathname : filename + 1);
524 guard = extendfile (filename, "_H_RPCGEN");
525 /* convert to upper case */
526 tmp = guard;
527 while (*tmp)
529 if (islower (*tmp))
530 *tmp = toupper (*tmp);
531 tmp++;
534 return guard;
538 * Compile into an XDR header file
542 static void
543 h_output (const char *infile, const char *define, int extend,
544 const char *outfile)
546 xdrfunc *xdrfuncp;
547 definition *def;
548 const char *ifilename;
549 const char *outfilename;
550 long tell;
551 char *guard;
552 list *l;
554 open_input (infile, define);
555 outfilename = extend ? extendfile (infile, outfile) : outfile;
556 open_output (infile, outfilename);
557 add_warning ();
558 ifilename = (infile == NULL) ? "STDIN" : infile;
559 guard = generate_guard (outfilename ? outfilename : ifilename);
561 fprintf (fout, "#ifndef _%s\n#define _%s\n\n", guard,
562 guard);
564 fprintf (fout, "#include <rpc/rpc.h>\n\n");
566 if (mtflag)
568 fprintf (fout, "#include <pthread.h>\n");
571 /* put the C++ support */
572 if (Cflag && !CCflag)
574 fprintf (fout, "\n#ifdef __cplusplus\n");
575 fprintf (fout, "extern \"C\" {\n");
576 fprintf (fout, "#endif\n\n");
579 tell = ftell (fout);
580 /* print data definitions */
581 while ((def = get_definition ()) != NULL)
583 print_datadef (def);
586 /* print function declarations.
587 Do this after data definitions because they might be used as
588 arguments for functions */
589 for (l = defined; l != NULL; l = l->next)
591 print_funcdef (l->val);
593 /* Now print all xdr func declarations */
594 if (xdrfunc_head != NULL)
596 fprintf (fout, "\n/* the xdr functions */\n");
597 if (CCflag)
599 fprintf (fout, "\n#ifdef __cplusplus\n");
600 fprintf (fout, "extern \"C\" {\n");
601 fprintf (fout, "#endif\n");
603 if (!Cflag)
605 xdrfuncp = xdrfunc_head;
606 while (xdrfuncp != NULL)
608 print_xdr_func_def (xdrfuncp->name,
609 xdrfuncp->pointerp, 2);
610 xdrfuncp = xdrfuncp->next;
613 else
615 int i;
617 for (i = 1; i < 3; ++i)
619 if (i == 1)
620 fprintf (fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
621 else
622 fprintf (fout, "\n#else /* K&R C */\n");
624 xdrfuncp = xdrfunc_head;
625 while (xdrfuncp != NULL)
627 print_xdr_func_def (xdrfuncp->name,
628 xdrfuncp->pointerp, i);
629 xdrfuncp = xdrfuncp->next;
632 fprintf (fout, "\n#endif /* K&R C */\n");
636 if (extend && tell == ftell (fout))
638 unlink (outfilename);
640 else if (tblflag)
642 fprintf (fout, "%s", rpcgen_table_dcl);
645 if (Cflag)
647 fprintf (fout, "\n#ifdef __cplusplus\n");
648 fprintf (fout, "}\n");
649 fprintf (fout, "#endif\n");
652 fprintf (fout, "\n#endif /* !_%s */\n", guard);
653 free (guard);
654 close_input ();
655 close_output (outfilename);
659 * Compile into an RPC service
661 static void
662 s_output (int argc, const char *argv[], const char *infile, const char *define,
663 int extend, const char *outfile, int nomain, int netflag)
665 char *include;
666 definition *def;
667 int foundprogram = 0;
668 const char *outfilename;
670 open_input (infile, define);
671 outfilename = extend ? extendfile (infile, outfile) : outfile;
672 open_output (infile, outfilename);
673 add_warning ();
674 if (infile && (include = extendfile (infile, ".h")))
676 fprintf (fout, "#include \"%s\"\n", include);
677 free (include);
679 else
680 fprintf (fout, "#include <rpc/rpc.h>\n");
682 fprintf (fout, "#include <stdio.h>\n");
683 fprintf (fout, "#include <stdlib.h>\n");
684 fprintf (fout, "#include <rpc/pmap_clnt.h>\n");
685 if (Cflag)
686 fprintf (fout, "#include <string.h>\n");
687 if (strcmp (svcclosetime, "-1") == 0)
688 indefinitewait = 1;
689 else if (strcmp (svcclosetime, "0") == 0)
690 exitnow = 1;
691 else if (inetdflag || pmflag)
693 fprintf (fout, "#include <signal.h>\n");
694 timerflag = 1;
697 if (!tirpcflag && inetdflag)
698 fprintf (fout, "#include <sys/ioctl.h> /* ioctl, TIOCNOTTY */\n");
699 if (Cflag && (inetdflag || pmflag))
701 fprintf (fout, "#include <sys/types.h> /* open */\n");
702 fprintf (fout, "#include <sys/stat.h> /* open */\n");
703 fprintf (fout, "#include <fcntl.h> /* open */\n");
704 fprintf (fout, "#include <unistd.h> /* getdtablesize */\n");
706 if (tirpcflag && !(Cflag && (inetdflag || pmflag)))
707 fprintf (fout, "#include <sys/types.h>\n");
709 fprintf (fout, "#include <memory.h>\n");
710 if (inetdflag || !tirpcflag)
712 fprintf (fout, "#include <sys/socket.h>\n");
713 fprintf (fout, "#include <netinet/in.h>\n");
716 if ((netflag || pmflag) && tirpcflag && !nomain)
718 fprintf (fout, "#include <netconfig.h>\n");
720 if ( /*timerflag && */ tirpcflag)
721 fprintf (fout, "#include <sys/resource.h> /* rlimit */\n");
722 if (logflag || inetdflag || pmflag)
724 fprintf (fout, "#include <syslog.h>\n");
727 /* for ANSI-C */
728 if (Cflag)
729 fprintf (fout, "\n#ifndef SIG_PF\n#define SIG_PF void(*)(int)\n#endif\n");
731 if (timerflag)
732 fprintf (fout, "\n#define _RPCSVC_CLOSEDOWN %s\n", svcclosetime);
733 while ((def = get_definition ()) != NULL)
735 foundprogram |= (def->def_kind == DEF_PROGRAM);
737 if (extend && !foundprogram)
739 unlink (outfilename);
740 return;
742 write_most (infile, netflag, nomain);
743 if (!nomain)
745 if (!do_registers (argc, argv))
747 if (outfilename)
748 unlink (outfilename);
749 usage (stderr, 1);
751 write_rest ();
753 close_input ();
754 close_output (outfilename);
758 * generate client side stubs
760 static void
761 l_output (const char *infile, const char *define, int extend,
762 const char *outfile)
764 char *include;
765 definition *def;
766 int foundprogram = 0;
767 const char *outfilename;
769 open_input (infile, define);
770 outfilename = extend ? extendfile (infile, outfile) : outfile;
771 open_output (infile, outfilename);
772 add_warning ();
773 if (Cflag)
774 fprintf (fout, "#include <memory.h> /* for memset */\n");
775 if (infile && (include = extendfile (infile, ".h")))
777 fprintf (fout, "#include \"%s\"\n", include);
778 free (include);
780 else
781 fprintf (fout, "#include <rpc/rpc.h>\n");
782 while ((def = get_definition ()) != NULL)
784 foundprogram |= (def->def_kind == DEF_PROGRAM);
786 if (extend && !foundprogram)
788 unlink (outfilename);
789 return;
791 write_stubs ();
792 close_input ();
793 close_output (outfilename);
797 * generate the dispatch table
799 static void
800 t_output (const char *infile, const char *define, int extend,
801 const char *outfile)
803 definition *def;
804 int foundprogram = 0;
805 const char *outfilename;
807 open_input (infile, define);
808 outfilename = extend ? extendfile (infile, outfile) : outfile;
809 open_output (infile, outfilename);
810 add_warning ();
811 while ((def = get_definition ()) != NULL)
813 foundprogram |= (def->def_kind == DEF_PROGRAM);
815 if (extend && !foundprogram)
817 unlink (outfilename);
818 return;
820 write_tables ();
821 close_input ();
822 close_output (outfilename);
825 /* sample routine for the server template */
826 static void
827 svc_output (const char *infile, const char *define, int extend,
828 const char *outfile)
830 definition *def;
831 char *include;
832 const char *outfilename;
833 long tell;
835 open_input (infile, define);
836 outfilename = extend ? extendfile (infile, outfile) : outfile;
837 checkfiles (infile, outfilename);
838 /*check if outfile already exists.
839 if so, print an error message and exit */
840 open_output (infile, outfilename);
841 add_sample_msg ();
843 if (infile && (include = extendfile (infile, ".h")))
845 fprintf (fout, "#include \"%s\"\n", include);
846 free (include);
848 else
849 fprintf (fout, "#include <rpc/rpc.h>\n");
851 tell = ftell (fout);
852 while ((def = get_definition ()) != NULL)
854 write_sample_svc (def);
856 if (extend && tell == ftell (fout))
858 unlink (outfilename);
860 close_input ();
861 close_output (outfilename);
865 /* sample main routine for client */
866 static void
867 clnt_output (const char *infile, const char *define, int extend,
868 const char *outfile)
870 definition *def;
871 char *include;
872 const char *outfilename;
873 long tell;
874 int has_program = 0;
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 */
882 open_output (infile, outfilename);
883 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");
891 tell = ftell (fout);
892 while ((def = get_definition ()) != NULL)
894 has_program += write_sample_clnt (def);
897 if (has_program)
898 write_sample_clnt_main ();
900 if (extend && tell == ftell (fout))
902 unlink (outfilename);
904 close_input ();
905 close_output (outfilename);
908 static const char space[] = " ";
910 static char *
911 file_name (const char *file, const char *ext)
913 char *temp;
914 temp = extendfile (file, ext);
916 if (access (temp, F_OK) != -1)
917 return (temp);
919 free (temp);
920 return (char *) space;
923 static void
924 mkfile_output (struct commandline *cmd)
926 char *mkfilename;
927 char *clientname, *clntname, *xdrname, *hdrname;
928 char *servername, *svcname, *servprogname, *clntprogname;
930 svcname = file_name (cmd->infile, "_svc.c");
931 clntname = file_name (cmd->infile, "_clnt.c");
932 xdrname = file_name (cmd->infile, "_xdr.c");
933 hdrname = file_name (cmd->infile, ".h");
935 if (allfiles)
937 servername = extendfile (cmd->infile, "_server.c");
938 clientname = extendfile (cmd->infile, "_client.c");
940 else
942 servername = (char *) space;
943 clientname = (char *) space;
945 servprogname = extendfile (cmd->infile, "_server");
946 clntprogname = extendfile (cmd->infile, "_client");
948 if (allfiles)
950 char *cp, *temp;
952 mkfilename = alloc (strlen ("Makefile.") + strlen (cmd->infile) + 1);
953 if (mkfilename == NULL)
954 abort ();
955 temp = rindex (cmd->infile, '.');
956 cp = stpcpy (mkfilename, "Makefile.");
957 if (temp != NULL)
958 *((char *) stpncpy (cp, cmd->infile, temp - cmd->infile)) = '\0';
959 else
960 stpcpy (cp, cmd->infile);
963 else
964 mkfilename = (char *) cmd->outfile;
966 checkfiles (NULL, mkfilename);
967 open_output (NULL, mkfilename);
969 fprintf (fout, "\n# This is a template Makefile generated by rpcgen\n");
971 f_print (fout, "\n# Parameters\n\n");
973 f_print (fout, "CLIENT = %s\nSERVER = %s\n\n", clntprogname, servprogname);
974 f_print (fout, "SOURCES_CLNT.c = \nSOURCES_CLNT.h = \n");
975 f_print (fout, "SOURCES_SVC.c = \nSOURCES_SVC.h = \n");
976 f_print (fout, "SOURCES.x = %s\n\n", cmd->infile);
977 f_print (fout, "TARGETS_SVC.c = %s %s %s \n",
978 svcname, servername, xdrname);
979 f_print (fout, "TARGETS_CLNT.c = %s %s %s \n",
980 clntname, clientname, xdrname);
981 f_print (fout, "TARGETS = %s %s %s %s %s %s\n\n",
982 hdrname, xdrname, clntname,
983 svcname, clientname, servername);
985 f_print (fout, "OBJECTS_CLNT = $(SOURCES_CLNT.c:%%.c=%%.o) \
986 $(TARGETS_CLNT.c:%%.c=%%.o)");
988 f_print (fout, "\nOBJECTS_SVC = $(SOURCES_SVC.c:%%.c=%%.o) \
989 $(TARGETS_SVC.c:%%.c=%%.o)");
991 f_print (fout, "\n# Compiler flags \n");
992 if (mtflag)
993 fprintf (fout, "\nCPPFLAGS += -D_REENTRANT\nCFLAGS += -g \nLDLIBS \
994 += -lnsl -lpthread \n ");
995 else
996 f_print (fout, "\nCFLAGS += -g \nLDLIBS += -lnsl\n");
997 f_print (fout, "RPCGENFLAGS = \n");
999 f_print (fout, "\n# Targets \n\n");
1001 f_print (fout, "all : $(CLIENT) $(SERVER)\n\n");
1002 f_print (fout, "$(TARGETS) : $(SOURCES.x) \n");
1003 f_print (fout, "\trpcgen $(RPCGENFLAGS) $(SOURCES.x)\n\n");
1004 f_print (fout, "$(OBJECTS_CLNT) : $(SOURCES_CLNT.c) $(SOURCES_CLNT.h) \
1005 $(TARGETS_CLNT.c) \n\n");
1007 f_print (fout, "$(OBJECTS_SVC) : $(SOURCES_SVC.c) $(SOURCES_SVC.h) \
1008 $(TARGETS_SVC.c) \n\n");
1009 f_print (fout, "$(CLIENT) : $(OBJECTS_CLNT) \n");
1010 f_print (fout, "\t$(LINK.c) -o $(CLIENT) $(OBJECTS_CLNT) \
1011 $(LDLIBS) \n\n");
1012 f_print (fout, "$(SERVER) : $(OBJECTS_SVC) \n");
1013 f_print (fout, "\t$(LINK.c) -o $(SERVER) $(OBJECTS_SVC) $(LDLIBS)\n\n ");
1014 f_print (fout, "clean:\n\t $(RM) core $(TARGETS) $(OBJECTS_CLNT) \
1015 $(OBJECTS_SVC) $(CLIENT) $(SERVER)\n\n");
1016 close_output (mkfilename);
1018 free (clntprogname);
1019 free (servprogname);
1020 if (servername != space)
1021 free (servername);
1022 if (clientname != space)
1023 free (clientname);
1024 if (mkfilename != (char *) cmd->outfile)
1025 free (mkfilename);
1026 if (svcname != space)
1027 free (svcname);
1028 if (clntname != space)
1029 free (clntname);
1030 if (xdrname != space)
1031 free (xdrname);
1032 if (hdrname != space)
1033 free (hdrname);
1037 * Perform registrations for service output
1038 * Return 0 if failed; 1 otherwise.
1040 static int
1041 do_registers (int argc, const char *argv[])
1043 int i;
1045 if (inetdflag || !tirpcflag)
1047 for (i = 1; i < argc; i++)
1049 if (streq (argv[i], "-s"))
1051 if (!check_nettype (argv[i + 1], valid_i_nettypes))
1052 return 0;
1053 write_inetd_register (argv[i + 1]);
1054 i++;
1058 else
1060 for (i = 1; i < argc; i++)
1061 if (streq (argv[i], "-s"))
1063 if (!check_nettype (argv[i + 1], valid_ti_nettypes))
1064 return 0;
1065 write_nettype_register (argv[i + 1]);
1066 i++;
1068 else if (streq (argv[i], "-n"))
1070 write_netid_register (argv[i + 1]);
1071 i++;
1074 return 1;
1078 * Add another argument to the arg list
1080 static void
1081 addarg (const char *cp)
1083 if (argcount >= ARGLISTLEN)
1085 fprintf (stderr, _("rpcgen: too many defines\n"));
1086 crash ();
1087 /*NOTREACHED */
1089 arglist[argcount++] = cp;
1092 static void
1093 putarg (int whereto, const char *cp)
1095 if (whereto >= ARGLISTLEN)
1097 fprintf (stderr, _("rpcgen: arglist coding error\n"));
1098 crash ();
1099 /*NOTREACHED */
1101 arglist[whereto] = cp;
1105 * if input file is stdin and an output file is specified then complain
1106 * if the file already exists. Otherwise the file may get overwritten
1107 * If input file does not exist, exit with an error
1110 static void
1111 checkfiles (const char *infile, const char *outfile)
1113 struct stat buf;
1115 if (infile) /* infile ! = NULL */
1116 if (stat (infile, &buf) < 0)
1118 perror (infile);
1119 crash ();
1121 if (outfile)
1123 if (stat (outfile, &buf) < 0)
1124 return; /* file does not exist */
1125 else
1127 fprintf (stderr,
1128 /* TRANS: the file will not be removed; this is an
1129 TRANS: informative message. */
1130 _("file `%s' already exists and may be overwritten\n"),
1131 outfile);
1132 crash ();
1138 * Parse command line arguments
1140 static int
1141 parseargs (int argc, const char *argv[], struct commandline *cmd)
1143 int i;
1144 int j;
1145 int c;
1146 char flag[(1 << 8 * sizeof (char))];
1147 int nflags;
1149 cmdname = argv[0];
1150 cmd->infile = cmd->outfile = NULL;
1151 if (argc < 2)
1153 return (0);
1155 allfiles = 0;
1156 flag['c'] = 0;
1157 flag['h'] = 0;
1158 flag['l'] = 0;
1159 flag['m'] = 0;
1160 flag['o'] = 0;
1161 flag['s'] = 0;
1162 flag['n'] = 0;
1163 flag['t'] = 0;
1164 flag['S'] = 0;
1165 flag['C'] = 0;
1166 flag['M'] = 0;
1168 for (i = 1; i < argc; i++)
1170 if (argv[i][0] != '-')
1172 if (cmd->infile)
1174 fprintf (stderr,
1175 _("Cannot specify more than one input file!\n"));
1176 return 0;
1178 cmd->infile = argv[i];
1180 else if (strcmp (argv[i], "--help") == 0)
1181 usage (stdout, 0);
1182 else if (strcmp (argv[i], "--version") == 0)
1183 print_version ();
1184 else
1186 for (j = 1; argv[i][j] != 0; j++)
1188 c = argv[i][j];
1189 switch (c)
1191 case 'a':
1192 allfiles = 1;
1193 break;
1194 case 'c':
1195 case 'h':
1196 case 'l':
1197 case 'm':
1198 case 't':
1199 if (flag[c])
1200 return 0;
1201 flag[c] = 1;
1202 break;
1203 case 'S':
1204 /* sample flag: Ss or Sc.
1205 Ss means set flag['S'];
1206 Sc means set flag['C'];
1207 Sm means set flag['M']; */
1208 c = argv[i][++j]; /* get next char */
1209 if (c == 's')
1210 c = 'S';
1211 else if (c == 'c')
1212 c = 'C';
1213 else if (c == 'm')
1214 c = 'M';
1215 else
1216 return 0;
1218 if (flag[c])
1219 return 0;
1220 flag[c] = 1;
1221 break;
1222 case 'C': /* ANSI C syntax */
1223 Cflag = 1;
1224 break;
1226 case 'k': /* K&R C syntax */
1227 Cflag = 0;
1228 break;
1230 case 'b': /* turn TIRPC flag off for
1231 generating backward compatible
1233 tirpcflag = 0;
1234 break;
1236 case '5': /* turn TIRPC flag on for
1237 generating SysVr4 compatible
1239 tirpcflag = 1;
1240 break;
1241 case 'I':
1242 inetdflag = 1;
1243 break;
1244 case 'N':
1245 newstyle = 1;
1246 break;
1247 case 'L':
1248 logflag = 1;
1249 break;
1250 case 'K':
1251 if (++i == argc)
1253 return (0);
1255 svcclosetime = argv[i];
1256 goto nextarg;
1257 case 'T':
1258 tblflag = 1;
1259 break;
1260 case 'M':
1261 mtflag = 1;
1262 break;
1263 case 'i':
1264 if (++i == argc)
1266 return (0);
1268 inlineflag = atoi (argv[i]);
1269 goto nextarg;
1270 case 'n':
1271 case 'o':
1272 case 's':
1273 if (argv[i][j - 1] != '-' ||
1274 argv[i][j + 1] != 0)
1276 return (0);
1278 flag[c] = 1;
1279 if (++i == argc)
1281 return (0);
1283 if (c == 's')
1285 if (!streq (argv[i], "udp") &&
1286 !streq (argv[i], "tcp"))
1287 return 0;
1289 else if (c == 'o')
1291 if (cmd->outfile)
1292 return 0;
1293 cmd->outfile = argv[i];
1295 goto nextarg;
1296 case 'D':
1297 if (argv[i][j - 1] != '-')
1298 return 0;
1299 addarg (argv[i]);
1300 goto nextarg;
1301 case 'Y':
1302 if (++i == argc)
1303 return 0;
1305 size_t len = strlen (argv[i]);
1306 pathbuf = malloc (len + 5);
1307 if (pathbuf == NULL)
1309 perror (cmdname);
1310 crash ();
1312 stpcpy (stpcpy (pathbuf,
1313 argv[i]),
1314 "/cpp");
1315 CPP = pathbuf;
1316 cppDefined = 1;
1317 goto nextarg;
1320 default:
1321 return 0;
1324 nextarg:
1329 cmd->cflag = flag['c'];
1330 cmd->hflag = flag['h'];
1331 cmd->lflag = flag['l'];
1332 cmd->mflag = flag['m'];
1333 cmd->nflag = flag['n'];
1334 cmd->sflag = flag['s'];
1335 cmd->tflag = flag['t'];
1336 cmd->Ssflag = flag['S'];
1337 cmd->Scflag = flag['C'];
1338 cmd->makefileflag = flag['M'];
1340 #ifndef _RPC_THREAD_SAFE_
1341 if (mtflag || newstyle)
1343 /* glibc doesn't support these flags. */
1344 f_print (stderr,
1345 _("This implementation doesn't support newstyle or MT-safe code!\n"));
1346 return (0);
1348 #endif
1349 if (tirpcflag)
1351 pmflag = inetdflag ? 0 : 1; /* pmflag or inetdflag is always TRUE */
1352 if ((inetdflag && cmd->nflag))
1353 { /* netid not allowed with inetdflag */
1354 fprintf (stderr, _("Cannot use netid flag with inetd flag!\n"));
1355 return 0;
1358 else
1359 { /* 4.1 mode */
1360 pmflag = 0; /* set pmflag only in tirpcmode */
1361 if (cmd->nflag)
1362 { /* netid needs TIRPC */
1363 f_print (stderr, _("Cannot use netid flag without TIRPC!\n"));
1364 return (0);
1368 if (newstyle && (tblflag || cmd->tflag))
1370 f_print (stderr, _("Cannot use table flags with newstyle!\n"));
1371 return (0);
1374 /* check no conflicts with file generation flags */
1375 nflags = cmd->cflag + cmd->hflag + cmd->lflag + cmd->mflag +
1376 cmd->sflag + cmd->nflag + cmd->tflag + cmd->Ssflag + cmd->Scflag;
1378 if (nflags == 0)
1380 if (cmd->outfile != NULL || cmd->infile == NULL)
1382 return (0);
1385 else if (cmd->infile == NULL &&
1386 (cmd->Ssflag || cmd->Scflag || cmd->makefileflag))
1388 fprintf (stderr,
1389 _("\"infile\" is required for template generation flags.\n"));
1390 return 0;
1392 if (nflags > 1)
1394 fprintf (stderr, _("Cannot have more than one file generation flag!\n"));
1395 return 0;
1397 return 1;
1400 static void
1401 usage (FILE *stream, int status)
1403 fprintf (stream, _("usage: %s infile\n"), cmdname);
1404 fprintf (stream, _("\t%s [-abkCLNTM][-Dname[=value]] [-i size] \
1405 [-I [-K seconds]] [-Y path] infile\n"), cmdname);
1406 fprintf (stream, _("\t%s [-c | -h | -l | -m | -t | -Sc | -Ss | -Sm] \
1407 [-o outfile] [infile]\n"), cmdname);
1408 fprintf (stream, _("\t%s [-s nettype]* [-o outfile] [infile]\n"), cmdname);
1409 fprintf (stream, _("\t%s [-n netid]* [-o outfile] [infile]\n"), cmdname);
1410 options_usage (stream, status);
1411 exit (status);
1414 static void
1415 options_usage (FILE *stream, int status)
1417 f_print (stream, _("options:\n"));
1418 f_print (stream, _("-a\t\tgenerate all files, including samples\n"));
1419 f_print (stream, _("-b\t\tbackward compatibility mode (generates code for SunOS 4.1)\n"));
1420 f_print (stream, _("-c\t\tgenerate XDR routines\n"));
1421 f_print (stream, _("-C\t\tANSI C mode\n"));
1422 f_print (stream, _("-Dname[=value]\tdefine a symbol (same as #define)\n"));
1423 f_print (stream, _("-h\t\tgenerate header file\n"));
1424 f_print (stream, _("-i size\t\tsize at which to start generating inline code\n"));
1425 f_print (stream, _("-I\t\tgenerate code for inetd support in server (for SunOS 4.1)\n"));
1426 f_print (stream, _("-K seconds\tserver exits after K seconds of inactivity\n"));
1427 f_print (stream, _("-l\t\tgenerate client side stubs\n"));
1428 f_print (stream, _("-L\t\tserver errors will be printed to syslog\n"));
1429 f_print (stream, _("-m\t\tgenerate server side stubs\n"));
1430 f_print (stream, _("-M\t\tgenerate MT-safe code\n"));
1431 f_print (stream, _("-n netid\tgenerate server code that supports named netid\n"));
1432 f_print (stream, _("-N\t\tsupports multiple arguments and call-by-value\n"));
1433 f_print (stream, _("-o outfile\tname of the output file\n"));
1434 f_print (stream, _("-s nettype\tgenerate server code that supports named nettype\n"));
1435 f_print (stream, _("-Sc\t\tgenerate sample client code that uses remote procedures\n"));
1436 f_print (stream, _("-Ss\t\tgenerate sample server code that defines remote procedures\n"));
1437 f_print (stream, _("-Sm \t\tgenerate makefile template \n"));
1438 f_print (stream, _("-t\t\tgenerate RPC dispatch table\n"));
1439 f_print (stream, _("-T\t\tgenerate code to support RPC dispatch tables\n"));
1440 f_print (stream, _("-Y path\t\tdirectory name to find C preprocessor (cpp)\n"));
1442 f_print (stream, "\n%s", _("\
1443 For bug reporting instructions, please see:\n\
1444 <http://www.gnu.org/software/libc/bugs.html>.\n"));
1445 exit (status);
1448 static void
1449 print_version (void)
1451 printf ("rpcgen (GNU %s) %s\n", PACKAGE, VERSION);
1452 exit (0);