1 /* $NetBSD: rpc_main.c,v 1.28 2006/03/20 16:58:13 elad 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 1.28 2006/03/20 16:58:13 elad 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 << 8 * sizeof(char))]; 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