Annotation of src/usr.bin/rpcgen/rpc_svcout.c, Revision 1.1
1.1 ! deraadt 1: /* $NetBSD: rpc_svcout.c,v 1.7 1995/06/24 14:59:59 pk Exp $ */
! 2: /*
! 3: * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
! 4: * unrestricted use provided that this legend is included on all tape
! 5: * media and as a part of the software program in whole or part. Users
! 6: * may copy or modify Sun RPC without charge, but are not authorized
! 7: * to license or distribute it to anyone else except as part of a product or
! 8: * program developed by the user or with the express written consent of
! 9: * Sun Microsystems, Inc.
! 10: *
! 11: * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
! 12: * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
! 13: * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
! 14: *
! 15: * Sun RPC is provided with no support and without any obligation on the
! 16: * part of Sun Microsystems, Inc. to assist in its use, correction,
! 17: * modification or enhancement.
! 18: *
! 19: * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
! 20: * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
! 21: * OR ANY PART THEREOF.
! 22: *
! 23: * In no event will Sun Microsystems, Inc. be liable for any lost revenue
! 24: * or profits or other special, indirect and consequential damages, even if
! 25: * Sun has been advised of the possibility of such damages.
! 26: *
! 27: * Sun Microsystems, Inc.
! 28: * 2550 Garcia Avenue
! 29: * Mountain View, California 94043
! 30: */
! 31:
! 32: #ifndef lint
! 33: static char sccsid[] = "@(#)rpc_svcout.c 1.29 89/03/30 (C) 1987 SMI";
! 34: #endif
! 35:
! 36: /*
! 37: * rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler
! 38: */
! 39: #include <sys/cdefs.h>
! 40: #include <stdio.h>
! 41: #include <string.h>
! 42: #include "rpc_parse.h"
! 43: #include "rpc_util.h"
! 44:
! 45: static char RQSTP[] = "rqstp";
! 46: static char TRANSP[] = "transp";
! 47: static char ARG[] = "argument";
! 48: static char RESULT[] = "result";
! 49: static char ROUTINE[] = "local";
! 50:
! 51: char _errbuf[256]; /* For all messages */
! 52:
! 53: void internal_proctype __P((proc_list *));
! 54: static write_real_program __P((definition *));
! 55: static write_program __P((definition *, char *));
! 56: static printerr __P((char *, char *));
! 57: static printif __P((char *, char *, char *, char *));
! 58: static write_inetmost __P((char *));
! 59: static print_return __P((char *));
! 60: static print_pmapunset __P((char *));
! 61: static print_err_message __P((char *));
! 62: static write_timeout_func __P((void));
! 63: static write_pm_most __P((char *, int));
! 64: static write_caller_func __P((void));
! 65: static write_rpc_svc_fg __P((char *, char *));
! 66: static open_log_file __P((char *, char *));
! 67:
! 68: static
! 69: p_xdrfunc( rname, typename )
! 70: char* rname;
! 71: char* typename;
! 72: {
! 73: if( Cflag )
! 74: f_print(fout, "\t\txdr_%s = (xdrproc_t) xdr_%s;\n", rname,
! 75: stringfix(typename) );
! 76: else
! 77: f_print(fout, "\t\txdr_%s = xdr_%s;\n", rname, stringfix(typename) );
! 78: }
! 79:
! 80: void
! 81: internal_proctype(plist)
! 82: proc_list *plist;
! 83: {
! 84: f_print(fout, "static ");
! 85: ptype( plist->res_prefix, plist->res_type, 1 );
! 86: f_print( fout, "*" );
! 87: }
! 88:
! 89:
! 90: /*
! 91: * write most of the service, that is, everything but the registrations.
! 92: */
! 93: void
! 94: write_most(infile, netflag, nomain)
! 95: char *infile; /* our name */
! 96: int netflag;
! 97: int nomain;
! 98: {
! 99: if (inetdflag || pmflag) {
! 100: char* var_type;
! 101: var_type = (nomain? "extern" : "static");
! 102: f_print(fout, "%s int _rpcpmstart;", var_type );
! 103: f_print(fout, "\t\t/* Started by a port monitor ? */\n");
! 104: f_print(fout, "%s int _rpcfdtype;", var_type );
! 105: f_print(fout, "\t\t/* Whether Stream or Datagram ? */\n");
! 106: if (timerflag) {
! 107: f_print(fout, "%s int _rpcsvcdirty;", var_type );
! 108: f_print(fout, "\t/* Still serving ? */\n");
! 109: }
! 110: write_svc_aux( nomain );
! 111: }
! 112: /* write out dispatcher and stubs */
! 113: write_programs( nomain? (char *)NULL : "static" );
! 114:
! 115: if( nomain )
! 116: return;
! 117:
! 118: f_print(fout, "\nmain()\n");
! 119: f_print(fout, "{\n");
! 120: if (inetdflag) {
! 121: write_inetmost(infile); /* Includes call to write_rpc_svc_fg() */
! 122: } else {
! 123: if( tirpcflag ) {
! 124: if (netflag) {
! 125: f_print(fout, "\tregister SVCXPRT *%s;\n", TRANSP);
! 126: f_print(fout, "\tstruct netconfig *nconf = NULL;\n");
! 127: }
! 128: f_print(fout, "\tpid_t pid;\n");
! 129: f_print(fout, "\tint i;\n");
! 130: f_print(fout, "\tchar mname[FMNAMESZ + 1];\n\n");
! 131: write_pm_most(infile, netflag);
! 132: f_print(fout, "\telse {\n");
! 133: write_rpc_svc_fg(infile, "\t\t");
! 134: f_print(fout, "\t}\n");
! 135: } else {
! 136: f_print(fout, "\tregister SVCXPRT *%s;\n", TRANSP);
! 137: f_print(fout, "\n");
! 138: print_pmapunset("\t");
! 139: }
! 140: }
! 141:
! 142: if (logflag && !inetdflag) {
! 143: open_log_file(infile, "\t");
! 144: }
! 145: }
! 146:
! 147: /*
! 148: * write a registration for the given transport
! 149: */
! 150: void
! 151: write_netid_register(transp)
! 152: char *transp;
! 153: {
! 154: list *l;
! 155: definition *def;
! 156: version_list *vp;
! 157: char *sp;
! 158: char tmpbuf[32];
! 159:
! 160: sp = "";
! 161: f_print(fout, "\n");
! 162: f_print(fout, "%s\tnconf = getnetconfigent(\"%s\");\n", sp, transp);
! 163: f_print(fout, "%s\tif (nconf == NULL) {\n", sp);
! 164: (void) sprintf(_errbuf, "cannot find %s netid.", transp);
! 165: sprintf(tmpbuf, "%s\t\t", sp);
! 166: print_err_message(tmpbuf);
! 167: f_print(fout, "%s\t\texit(1);\n", sp);
! 168: f_print(fout, "%s\t}\n", sp);
! 169: f_print(fout, "%s\t%s = svc_tli_create(RPC_ANYFD, nconf, 0, 0, 0);\n",
! 170: sp, TRANSP, transp);
! 171: f_print(fout, "%s\tif (%s == NULL) {\n", sp, TRANSP);
! 172: (void) sprintf(_errbuf, "cannot create %s service.", transp);
! 173: print_err_message(tmpbuf);
! 174: f_print(fout, "%s\t\texit(1);\n", sp);
! 175: f_print(fout, "%s\t}\n", sp);
! 176:
! 177: for (l = defined; l != NULL; l = l->next) {
! 178: def = (definition *) l->val;
! 179: if (def->def_kind != DEF_PROGRAM) {
! 180: continue;
! 181: }
! 182: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
! 183: f_print(fout,
! 184: "%s\t(void) rpcb_unset(%s, %s, nconf);\n",
! 185: sp, def->def_name, vp->vers_name);
! 186: f_print(fout,
! 187: "%s\tif (!svc_reg(%s, %s, %s, ",
! 188: sp, TRANSP, def->def_name, vp->vers_name);
! 189: pvname(def->def_name, vp->vers_num);
! 190: f_print(fout, ", nconf)) {\n");
! 191: (void) sprintf(_errbuf, "unable to register (%s, %s, %s).",
! 192: def->def_name, vp->vers_name, transp);
! 193: print_err_message(tmpbuf);
! 194: f_print(fout, "%s\t\texit(1);\n", sp);
! 195: f_print(fout, "%s\t}\n", sp);
! 196: }
! 197: }
! 198: f_print(fout, "%s\tfreenetconfigent(nconf);\n", sp);
! 199: }
! 200:
! 201: /*
! 202: * write a registration for the given transport for TLI
! 203: */
! 204: void
! 205: write_nettype_register(transp)
! 206: char *transp;
! 207: {
! 208: list *l;
! 209: definition *def;
! 210: version_list *vp;
! 211:
! 212: for (l = defined; l != NULL; l = l->next) {
! 213: def = (definition *) l->val;
! 214: if (def->def_kind != DEF_PROGRAM) {
! 215: continue;
! 216: }
! 217: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
! 218: f_print(fout, "\tif (!svc_create(");
! 219: pvname(def->def_name, vp->vers_num);
! 220: f_print(fout, ", %s, %s, \"%s\")) {\n ",
! 221: def->def_name, vp->vers_name, transp);
! 222: (void) sprintf(_errbuf,
! 223: "unable to create (%s, %s) for %s.",
! 224: def->def_name, vp->vers_name, transp);
! 225: print_err_message("\t\t");
! 226: f_print(fout, "\t\texit(1);\n");
! 227: f_print(fout, "\t}\n");
! 228: }
! 229: }
! 230: }
! 231:
! 232: /*
! 233: * write the rest of the service
! 234: */
! 235: void
! 236: write_rest()
! 237: {
! 238: f_print(fout, "\n");
! 239: if (inetdflag) {
! 240: f_print(fout, "\tif (%s == (SVCXPRT *)NULL) {\n", TRANSP);
! 241: (void) sprintf(_errbuf, "could not create a handle");
! 242: print_err_message("\t\t");
! 243: f_print(fout, "\t\texit(1);\n");
! 244: f_print(fout, "\t}\n");
! 245: if (timerflag) {
! 246: f_print(fout, "\tif (_rpcpmstart) {\n");
! 247: f_print(fout,
! 248: "\t\t(void) signal(SIGALRM, %s closedown);\n",
! 249: Cflag? "(SIG_PF)" : "(void(*)())" );
! 250: f_print(fout, "\t\t(void) alarm(_RPCSVC_CLOSEDOWN);\n");
! 251: f_print(fout, "\t}\n");
! 252: }
! 253: }
! 254: f_print(fout, "\tsvc_run();\n");
! 255: (void) sprintf(_errbuf, "svc_run returned");
! 256: print_err_message("\t");
! 257: f_print(fout, "\texit(1);\n");
! 258: f_print(fout, "\t/* NOTREACHED */\n");
! 259: f_print(fout, "}\n");
! 260: }
! 261:
! 262: void
! 263: write_programs(storage)
! 264: char *storage;
! 265: {
! 266: list *l;
! 267: definition *def;
! 268:
! 269: /* write out stubs for procedure definitions */
! 270: for (l = defined; l != NULL; l = l->next) {
! 271: def = (definition *) l->val;
! 272: if (def->def_kind == DEF_PROGRAM) {
! 273: write_real_program(def);
! 274: }
! 275: }
! 276:
! 277: /* write out dispatcher for each program */
! 278: for (l = defined; l != NULL; l = l->next) {
! 279: def = (definition *) l->val;
! 280: if (def->def_kind == DEF_PROGRAM) {
! 281: write_program(def, storage);
! 282: }
! 283: }
! 284:
! 285:
! 286: }
! 287:
! 288: /* write out definition of internal function (e.g. _printmsg_1(...))
! 289: which calls server's defintion of actual function (e.g. printmsg_1(...)).
! 290: Unpacks single user argument of printmsg_1 to call-by-value format
! 291: expected by printmsg_1. */
! 292: static
! 293: write_real_program(def)
! 294: definition *def;
! 295: {
! 296: version_list *vp;
! 297: proc_list *proc;
! 298: decl_list *l;
! 299:
! 300: if( !newstyle ) return; /* not needed for old style */
! 301: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
! 302: for (proc = vp->procs; proc != NULL; proc = proc->next) {
! 303: f_print(fout, "\n");
! 304: internal_proctype(proc);
! 305: f_print(fout, "\n_");
! 306: pvname(proc->proc_name, vp->vers_num);
! 307: if( Cflag ) {
! 308: f_print(fout, "(" );
! 309: /* arg name */
! 310: if (proc->arg_num > 1)
! 311: f_print(fout, proc->args.argname);
! 312: else
! 313: ptype(proc->args.decls->decl.prefix,
! 314: proc->args.decls->decl.type, 0);
! 315: f_print(fout, " *argp, struct svc_req *%s)\n",
! 316: RQSTP);
! 317: } else {
! 318: f_print(fout, "(argp, %s)\n", RQSTP );
! 319: /* arg name */
! 320: if (proc->arg_num > 1)
! 321: f_print(fout, "\t%s *argp;\n", proc->args.argname);
! 322: else {
! 323: f_print(fout, "\t");
! 324: ptype(proc->args.decls->decl.prefix,
! 325: proc->args.decls->decl.type, 0);
! 326: f_print(fout, " *argp;\n");
! 327: }
! 328: f_print(fout, " struct svc_req *%s;\n", RQSTP);
! 329: }
! 330:
! 331: f_print(fout, "{\n");
! 332: f_print(fout, "\treturn(");
! 333: pvname_svc(proc->proc_name, vp->vers_num);
! 334: f_print(fout, "(");
! 335: if (proc->arg_num < 2) { /* single argument */
! 336: if (!streq( proc->args.decls->decl.type, "void"))
! 337: f_print(fout, "*argp, "); /* non-void */
! 338: } else {
! 339: for (l = proc->args.decls; l != NULL; l = l->next)
! 340: f_print(fout, "argp->%s, ", l->decl.name);
! 341: }
! 342: f_print(fout, "%s));\n}\n", RQSTP);
! 343: }
! 344: }
! 345: }
! 346:
! 347: static
! 348: write_program(def, storage)
! 349: definition *def;
! 350: char *storage;
! 351: {
! 352: version_list *vp;
! 353: proc_list *proc;
! 354: int filled;
! 355:
! 356: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
! 357: f_print(fout, "\n");
! 358: if (storage != NULL) {
! 359: f_print(fout, "%s ", storage);
! 360: }
! 361: f_print(fout, "void\n");
! 362: pvname(def->def_name, vp->vers_num);
! 363:
! 364: if (Cflag) {
! 365: f_print(fout, "(struct svc_req *%s, ", RQSTP);
! 366: f_print(fout, "register SVCXPRT *%s)\n", TRANSP);
! 367: } else {
! 368: f_print(fout, "(%s, %s)\n", RQSTP, TRANSP);
! 369: f_print(fout, " struct svc_req *%s;\n", RQSTP);
! 370: f_print(fout, " register SVCXPRT *%s;\n", TRANSP);
! 371: }
! 372:
! 373: f_print(fout, "{\n");
! 374:
! 375: filled = 0;
! 376: f_print(fout, "\tunion {\n");
! 377: for (proc = vp->procs; proc != NULL; proc = proc->next) {
! 378: if (proc->arg_num < 2) { /* single argument */
! 379: if (streq(proc->args.decls->decl.type,
! 380: "void")) {
! 381: continue;
! 382: }
! 383: filled = 1;
! 384: f_print(fout, "\t\t");
! 385: ptype(proc->args.decls->decl.prefix,
! 386: proc->args.decls->decl.type, 0);
! 387: pvname(proc->proc_name, vp->vers_num);
! 388: f_print(fout, "_arg;\n");
! 389:
! 390: }
! 391: else {
! 392: filled = 1;
! 393: f_print(fout, "\t\t%s", proc->args.argname);
! 394: f_print(fout, " ");
! 395: pvname(proc->proc_name, vp->vers_num);
! 396: f_print(fout, "_arg;\n");
! 397: }
! 398: }
! 399: if (!filled) {
! 400: f_print(fout, "\t\tint fill;\n");
! 401: }
! 402: f_print(fout, "\t} %s;\n", ARG);
! 403: f_print(fout, "\tchar *%s;\n", RESULT);
! 404:
! 405: if (Cflag) {
! 406: f_print(fout, "\txdrproc_t xdr_%s, xdr_%s;\n", ARG, RESULT);
! 407: f_print(fout,
! 408: "\tchar *(*%s)(char *, struct svc_req *);\n",
! 409: ROUTINE);
! 410: } else {
! 411: f_print(fout, "\tbool_t (*xdr_%s)(), (*xdr_%s)();\n", ARG, RESULT);
! 412: f_print(fout, "\tchar *(*%s)();\n", ROUTINE);
! 413: }
! 414:
! 415: f_print(fout, "\n");
! 416:
! 417: if (callerflag)
! 418: f_print(fout, "\tcaller = transp;\n"); /*EVAS*/
! 419: if (timerflag)
! 420: f_print(fout, "\t_rpcsvcdirty = 1;\n");
! 421: f_print(fout, "\tswitch (%s->rq_proc) {\n", RQSTP);
! 422: if (!nullproc(vp->procs)) {
! 423: f_print(fout, "\tcase NULLPROC:\n");
! 424: f_print(fout,
! 425: Cflag
! 426: ? "\t\t(void) svc_sendreply(%s, (xdrproc_t) xdr_void, (char *)NULL);\n"
! 427: : "\t\t(void) svc_sendreply(%s, xdr_void, (char *)NULL);\n",
! 428: TRANSP);
! 429: print_return("\t\t");
! 430: f_print(fout, "\n");
! 431: }
! 432: for (proc = vp->procs; proc != NULL; proc = proc->next) {
! 433: f_print(fout, "\tcase %s:\n", proc->proc_name);
! 434: if (proc->arg_num < 2) { /* single argument */
! 435: p_xdrfunc( ARG, proc->args.decls->decl.type);
! 436: } else {
! 437: p_xdrfunc( ARG, proc->args.argname);
! 438: }
! 439: p_xdrfunc( RESULT, proc->res_type);
! 440: if( Cflag )
! 441: f_print(fout,
! 442: "\t\t%s = (char *(*)(char *, struct svc_req *)) ",
! 443: ROUTINE);
! 444: else
! 445: f_print(fout, "\t\t%s = (char *(*)()) ", ROUTINE);
! 446:
! 447: if (newstyle) { /* new style: calls internal routine */
! 448: f_print(fout,"_");
! 449: }
! 450: if (!newstyle )
! 451: pvname_svc(proc->proc_name, vp->vers_num);
! 452: else
! 453: pvname(proc->proc_name, vp->vers_num);
! 454: f_print(fout, ";\n");
! 455: f_print(fout, "\t\tbreak;\n\n");
! 456: }
! 457: f_print(fout, "\tdefault:\n");
! 458: printerr("noproc", TRANSP);
! 459: print_return("\t\t");
! 460: f_print(fout, "\t}\n");
! 461:
! 462: f_print(fout, "\t(void) memset((char *)&%s, 0, sizeof (%s));\n", ARG, ARG);
! 463: printif("getargs", TRANSP, "(caddr_t) &", ARG);
! 464: printerr("decode", TRANSP);
! 465: print_return("\t\t");
! 466: f_print(fout, "\t}\n");
! 467:
! 468: if (Cflag)
! 469: f_print(fout, "\t%s = (*%s)((char *)&%s, %s);\n",
! 470: RESULT, ROUTINE, ARG, RQSTP);
! 471: else
! 472: f_print(fout, "\t%s = (*%s)(&%s, %s);\n",
! 473: RESULT, ROUTINE, ARG, RQSTP);
! 474: f_print(fout,
! 475: "\tif (%s != NULL && !svc_sendreply(%s, xdr_%s, %s)) {\n",
! 476: RESULT, TRANSP, RESULT, RESULT);
! 477: printerr("systemerr", TRANSP);
! 478: f_print(fout, "\t}\n");
! 479:
! 480: printif("freeargs", TRANSP, "(caddr_t) &", ARG);
! 481: (void) sprintf(_errbuf, "unable to free arguments");
! 482: print_err_message("\t\t");
! 483: f_print(fout, "\t\texit(1);\n");
! 484: f_print(fout, "\t}\n");
! 485: print_return("\t");
! 486: f_print(fout, "}\n");
! 487: }
! 488: }
! 489:
! 490: static
! 491: printerr(err, transp)
! 492: char *err;
! 493: char *transp;
! 494: {
! 495: f_print(fout, "\t\tsvcerr_%s(%s);\n", err, transp);
! 496: }
! 497:
! 498: static
! 499: printif(proc, transp, prefix, arg)
! 500: char *proc;
! 501: char *transp;
! 502: char *prefix;
! 503: char *arg;
! 504: {
! 505: f_print(fout, "\tif (!svc_%s(%s, xdr_%s, %s%s)) {\n",
! 506: proc, transp, arg, prefix, arg);
! 507: }
! 508:
! 509: nullproc(proc)
! 510: proc_list *proc;
! 511: {
! 512: for (; proc != NULL; proc = proc->next) {
! 513: if (streq(proc->proc_num, "0")) {
! 514: return (1);
! 515: }
! 516: }
! 517: return (0);
! 518: }
! 519:
! 520: static
! 521: write_inetmost(infile)
! 522: char *infile;
! 523: {
! 524: f_print(fout, "\tregister SVCXPRT *%s;\n", TRANSP);
! 525: f_print(fout, "\tint sock;\n");
! 526: f_print(fout, "\tint proto;\n");
! 527: f_print(fout, "\tstruct sockaddr_in saddr;\n");
! 528: f_print(fout, "\tint asize = sizeof (saddr);\n");
! 529: f_print(fout, "\n");
! 530: f_print(fout,
! 531: "\tif (getsockname(0, (struct sockaddr *)&saddr, &asize) == 0) {\n");
! 532: f_print(fout, "\t\tint ssize = sizeof (int);\n\n");
! 533: f_print(fout, "\t\tif (saddr.sin_family != AF_INET)\n");
! 534: f_print(fout, "\t\t\texit(1);\n");
! 535: f_print(fout, "\t\tif (getsockopt(0, SOL_SOCKET, SO_TYPE,\n");
! 536: f_print(fout, "\t\t\t\t(char *)&_rpcfdtype, &ssize) == -1)\n");
! 537: f_print(fout, "\t\t\texit(1);\n");
! 538: f_print(fout, "\t\tsock = 0;\n");
! 539: f_print(fout, "\t\t_rpcpmstart = 1;\n");
! 540: f_print(fout, "\t\tproto = 0;\n");
! 541: open_log_file(infile, "\t\t");
! 542: f_print(fout, "\t} else {\n");
! 543: write_rpc_svc_fg(infile, "\t\t");
! 544: f_print(fout, "\t\tsock = RPC_ANYSOCK;\n");
! 545: print_pmapunset("\t\t");
! 546: f_print(fout, "\t}\n");
! 547: }
! 548:
! 549: static
! 550: print_return(space)
! 551: char *space;
! 552: {
! 553: if (exitnow)
! 554: f_print(fout, "%sexit(0);\n", space);
! 555: else {
! 556: if (timerflag)
! 557: f_print(fout, "%s_rpcsvcdirty = 0;\n", space);
! 558: f_print(fout, "%sreturn;\n", space);
! 559: }
! 560: }
! 561:
! 562: static
! 563: print_pmapunset(space)
! 564: char *space;
! 565: {
! 566: list *l;
! 567: definition *def;
! 568: version_list *vp;
! 569:
! 570: for (l = defined; l != NULL; l = l->next) {
! 571: def = (definition *) l->val;
! 572: if (def->def_kind == DEF_PROGRAM) {
! 573: for (vp = def->def.pr.versions; vp != NULL;
! 574: vp = vp->next) {
! 575: f_print(fout, "%s(void) pmap_unset(%s, %s);\n",
! 576: space, def->def_name, vp->vers_name);
! 577: }
! 578: }
! 579: }
! 580: }
! 581:
! 582: static
! 583: print_err_message(space)
! 584: char *space;
! 585: {
! 586: if (logflag)
! 587: f_print(fout, "%ssyslog(LOG_ERR, \"%s\");\n", space, _errbuf);
! 588: else if (inetdflag || pmflag)
! 589: f_print(fout, "%s_msgout(\"%s\");\n", space, _errbuf);
! 590: else
! 591: f_print(fout, "%sfprintf(stderr, \"%s\");\n", space, _errbuf);
! 592: }
! 593:
! 594: /*
! 595: * Write the server auxiliary function ( _msgout, timeout)
! 596: */
! 597: void
! 598: write_svc_aux( nomain )
! 599: int nomain;
! 600: {
! 601: if (!logflag)
! 602: write_msg_out();
! 603: if( !nomain )
! 604: write_timeout_func();
! 605: if (callerflag) /*EVAS*/
! 606: write_caller_func(); /*EVAS*/
! 607: }
! 608:
! 609: /*
! 610: * Write the _msgout function
! 611: */
! 612:
! 613: write_msg_out()
! 614: {
! 615: f_print(fout, "\n");
! 616: f_print(fout, "static\n");
! 617: if( !Cflag ) {
! 618: f_print(fout, "void _msgout(msg)\n");
! 619: f_print(fout, "\tchar *msg;\n");
! 620: } else {
! 621: f_print(fout, "void _msgout(char* msg)\n");
! 622: }
! 623: f_print(fout, "{\n");
! 624: f_print(fout, "#ifdef RPC_SVC_FG\n");
! 625: if (inetdflag || pmflag)
! 626: f_print(fout, "\tif (_rpcpmstart)\n");
! 627: f_print(fout, "\t\tsyslog(LOG_ERR, msg);\n");
! 628: f_print(fout, "\telse\n");
! 629: f_print(fout, "\t\t(void) fprintf(stderr, \"%%s\\n\", msg);\n");
! 630: f_print(fout, "#else\n");
! 631: f_print(fout, "\tsyslog(LOG_ERR, msg);\n");
! 632: f_print(fout, "#endif\n");
! 633: f_print(fout, "}\n");
! 634: }
! 635:
! 636: /*
! 637: * Write the timeout function
! 638: */
! 639: static
! 640: write_timeout_func()
! 641: {
! 642: if (!timerflag)
! 643: return;
! 644: f_print(fout, "\n");
! 645: f_print(fout, "static void\n");
! 646: f_print(fout, "closedown()\n");
! 647: f_print(fout, "{\n");
! 648: f_print(fout, "\tif (_rpcsvcdirty == 0) {\n");
! 649: f_print(fout, "\t\textern fd_set svc_fdset;\n");
! 650: f_print(fout, "\t\tstatic int size;\n");
! 651: f_print(fout, "\t\tint i, openfd;\n");
! 652: if (tirpcflag && pmflag) {
! 653: f_print(fout, "\t\tstruct t_info tinfo;\n\n");
! 654: f_print(fout, "\t\tif (!t_getinfo(0, &tinfo) && (tinfo.servtype == T_CLTS))\n");
! 655: } else {
! 656: f_print(fout, "\n\t\tif (_rpcfdtype == SOCK_DGRAM)\n");
! 657: }
! 658: f_print(fout, "\t\t\texit(0);\n");
! 659: f_print(fout, "\t\tif (size == 0) {\n");
! 660: if( tirpcflag ) {
! 661: f_print(fout, "\t\t\tstruct rlimit rl;\n\n");
! 662: f_print(fout, "\t\t\trl.rlim_max = 0;\n");
! 663: f_print(fout, "\t\t\tgetrlimit(RLIMIT_NOFILE, &rl);\n");
! 664: f_print(fout, "\t\t\tif ((size = rl.rlim_max) == 0)\n");
! 665: f_print(fout, "\t\t\t\treturn;\n");
! 666: } else {
! 667: f_print(fout, "\t\t\tsize = getdtablesize();\n");
! 668: }
! 669: f_print(fout, "\t\t}\n");
! 670: f_print(fout, "\t\tfor (i = 0, openfd = 0; i < size && openfd < 2; i++)\n");
! 671: f_print(fout, "\t\t\tif (FD_ISSET(i, &svc_fdset))\n");
! 672: f_print(fout, "\t\t\t\topenfd++;\n");
! 673: f_print(fout, "\t\tif (openfd <= (_rpcpmstart?0:1))\n");
! 674: f_print(fout, "\t\t\texit(0);\n");
! 675: f_print(fout, "\t}\n");
! 676: f_print(fout, "\t(void) alarm(_RPCSVC_CLOSEDOWN);\n");
! 677: f_print(fout, "}\n");
! 678: }
! 679:
! 680: static
! 681: write_caller_func() /*EVAS*/
! 682: {
! 683: #define P(s) f_print(fout, s);
! 684:
! 685: P("\n");
! 686: P("char *svc_caller()\n");
! 687: P("{\n");
! 688: P(" struct sockaddr_in actual;\n");
! 689: P(" struct hostent *hp;\n");
! 690: P(" static struct in_addr prev;\n");
! 691: P(" static char cname[128];\n\n");
! 692:
! 693: P(" actual = *svc_getcaller(caller);\n\n");
! 694:
! 695: P(" if (memcmp((char *)&actual.sin_addr, (char *)&prev,\n");
! 696: P(" sizeof(struct in_addr)) == 0)\n");
! 697: P(" return (cname);\n\n");
! 698:
! 699: P(" prev = actual.sin_addr;\n\n");
! 700:
! 701: P(" hp = gethostbyaddr((char *) &actual.sin_addr, sizeof(actual.sin_addr), AF_INET);\n");
! 702: P(" if (hp == NULL) { /* dummy one up */\n");
! 703: P(" extern char *inet_ntoa();\n");
! 704: P(" strcpy(cname, inet_ntoa(actual.sin_addr));\n");
! 705: P(" } else {\n");
! 706: P(" strcpy(cname, hp->h_name);\n");
! 707: P(" }\n\n");
! 708:
! 709: P(" return (cname);\n");
! 710: P("}\n");
! 711:
! 712: #undef P
! 713: }
! 714:
! 715: /*
! 716: * Write the most of port monitor support
! 717: */
! 718: static
! 719: write_pm_most(infile, netflag)
! 720: char *infile;
! 721: int netflag;
! 722: {
! 723: list *l;
! 724: definition *def;
! 725: version_list *vp;
! 726:
! 727: f_print(fout, "\tif (!ioctl(0, I_LOOK, mname) &&\n");
! 728: f_print(fout, "\t\t(!strcmp(mname, \"sockmod\") ||");
! 729: f_print(fout, " !strcmp(mname, \"timod\"))) {\n");
! 730: f_print(fout, "\t\tchar *netid;\n");
! 731: if (!netflag) { /* Not included by -n option */
! 732: f_print(fout, "\t\tstruct netconfig *nconf = NULL;\n");
! 733: f_print(fout, "\t\tSVCXPRT *%s;\n", TRANSP);
! 734: }
! 735: if( timerflag )
! 736: f_print(fout, "\t\tint pmclose;\n");
! 737: /* not necessary, defined in /usr/include/stdlib */
! 738: /* f_print(fout, "\t\textern char *getenv();\n");*/
! 739: f_print(fout, "\n");
! 740: f_print(fout, "\t\t_rpcpmstart = 1;\n");
! 741: if (logflag)
! 742: open_log_file(infile, "\t\t");
! 743: f_print(fout, "\t\tif ((netid = getenv(\"NLSPROVIDER\")) == NULL) {\n");
! 744: sprintf(_errbuf, "cannot get transport name");
! 745: print_err_message("\t\t\t");
! 746: f_print(fout, "\t\t} else if ((nconf = getnetconfigent(netid)) == NULL) {\n");
! 747: sprintf(_errbuf, "cannot get transport info");
! 748: print_err_message("\t\t\t");
! 749: f_print(fout, "\t\t}\n");
! 750: /*
! 751: * A kludgy support for inetd services. Inetd only works with
! 752: * sockmod, and RPC works only with timod, hence all this jugglery
! 753: */
! 754: f_print(fout, "\t\tif (strcmp(mname, \"sockmod\") == 0) {\n");
! 755: f_print(fout, "\t\t\tif (ioctl(0, I_POP, 0) || ioctl(0, I_PUSH, \"timod\")) {\n");
! 756: sprintf(_errbuf, "could not get the right module");
! 757: print_err_message("\t\t\t\t");
! 758: f_print(fout, "\t\t\t\texit(1);\n");
! 759: f_print(fout, "\t\t\t}\n");
! 760: f_print(fout, "\t\t}\n");
! 761: if( timerflag )
! 762: f_print(fout, "\t\tpmclose = (t_getstate(0) != T_DATAXFER);\n");
! 763: f_print(fout, "\t\tif ((%s = svc_tli_create(0, nconf, NULL, 0, 0)) == NULL) {\n",
! 764: TRANSP);
! 765: sprintf(_errbuf, "cannot create server handle");
! 766: print_err_message("\t\t\t");
! 767: f_print(fout, "\t\t\texit(1);\n");
! 768: f_print(fout, "\t\t}\n");
! 769: f_print(fout, "\t\tif (nconf)\n");
! 770: f_print(fout, "\t\t\tfreenetconfigent(nconf);\n");
! 771: for (l = defined; l != NULL; l = l->next) {
! 772: def = (definition *) l->val;
! 773: if (def->def_kind != DEF_PROGRAM) {
! 774: continue;
! 775: }
! 776: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
! 777: f_print(fout,
! 778: "\t\tif (!svc_reg(%s, %s, %s, ",
! 779: TRANSP, def->def_name, vp->vers_name);
! 780: pvname(def->def_name, vp->vers_num);
! 781: f_print(fout, ", 0)) {\n");
! 782: (void) sprintf(_errbuf, "unable to register (%s, %s).",
! 783: def->def_name, vp->vers_name);
! 784: print_err_message("\t\t\t");
! 785: f_print(fout, "\t\t\texit(1);\n");
! 786: f_print(fout, "\t\t}\n");
! 787: }
! 788: }
! 789: if (timerflag) {
! 790: f_print(fout, "\t\tif (pmclose) {\n");
! 791: f_print(fout, "\t\t\t(void) signal(SIGALRM, %s closedown);\n",
! 792: Cflag? "(SIG_PF)" : "(void(*)())" );
! 793: f_print(fout, "\t\t\t(void) alarm(_RPCSVC_CLOSEDOWN);\n");
! 794: f_print(fout, "\t\t}\n");
! 795: }
! 796: f_print(fout, "\t\tsvc_run();\n");
! 797: f_print(fout, "\t\texit(1);\n");
! 798: f_print(fout, "\t\t/* NOTREACHED */\n");
! 799: f_print(fout, "\t}\n");
! 800: }
! 801:
! 802: /*
! 803: * Support for backgrounding the server if self started.
! 804: */
! 805: static
! 806: write_rpc_svc_fg(infile, sp)
! 807: char *infile;
! 808: char *sp;
! 809: {
! 810: f_print(fout, "#ifndef RPC_SVC_FG\n");
! 811: f_print(fout, "%sint size;\n", sp);
! 812: if( tirpcflag )
! 813: f_print(fout, "%sstruct rlimit rl;\n", sp);
! 814: if (inetdflag)
! 815: f_print(fout, "%sint pid, i;\n\n", sp);
! 816: f_print(fout, "%spid = fork();\n", sp);
! 817: f_print(fout, "%sif (pid < 0) {\n", sp);
! 818: f_print(fout, "%s\tperror(\"cannot fork\");\n", sp);
! 819: f_print(fout, "%s\texit(1);\n", sp);
! 820: f_print(fout, "%s}\n", sp);
! 821: f_print(fout, "%sif (pid)\n", sp);
! 822: f_print(fout, "%s\texit(0);\n", sp);
! 823: /* get number of file descriptors */
! 824: if( tirpcflag ) {
! 825: f_print(fout, "%srl.rlim_max = 0;\n", sp);
! 826: f_print(fout, "%sgetrlimit(RLIMIT_NOFILE, &rl);\n", sp);
! 827: f_print(fout, "%sif ((size = rl.rlim_max) == 0)\n", sp);
! 828: f_print(fout, "%s\texit(1);\n", sp);
! 829: } else {
! 830: f_print(fout, "%ssize = getdtablesize();\n", sp);
! 831: }
! 832:
! 833: f_print(fout, "%sfor (i = 0; i < size; i++)\n", sp);
! 834: f_print(fout, "%s\t(void) close(i);\n", sp);
! 835: /* Redirect stderr and stdout to console */
! 836: f_print(fout, "%si = open(\"/dev/console\", 2);\n", sp);
! 837: f_print(fout, "%s(void) dup2(i, 1);\n", sp);
! 838: f_print(fout, "%s(void) dup2(i, 2);\n", sp);
! 839: /* This removes control of the controlling terminal */
! 840: if( tirpcflag )
! 841: f_print(fout, "%ssetsid();\n", sp);
! 842: else {
! 843: f_print(fout, "%si = open(\"/dev/tty\", 2);\n", sp);
! 844: f_print(fout, "%sif (i >= 0) {\n", sp);
! 845: f_print(fout, "%s\t(void) ioctl(i, TIOCNOTTY, (char *)NULL);\n", sp);;
! 846: f_print(fout, "%s\t(void) close(i);\n", sp);
! 847: f_print(fout, "%s}\n", sp);
! 848: }
! 849: if (!logflag)
! 850: open_log_file(infile, sp);
! 851: f_print(fout, "#endif\n");
! 852: if (logflag)
! 853: open_log_file(infile, sp);
! 854: }
! 855:
! 856: static
! 857: open_log_file(infile, sp)
! 858: char *infile;
! 859: char *sp;
! 860: {
! 861: char *s;
! 862:
! 863: s = strrchr(infile, '.');
! 864: if (s)
! 865: *s = '\0';
! 866: f_print(fout,"%sopenlog(\"%s\", LOG_PID, LOG_DAEMON);\n", sp, infile);
! 867: if (s)
! 868: *s = '.';
! 869: }
! 870:
! 871:
! 872:
! 873:
! 874: /*
! 875: * write a registration for the given transport for Inetd
! 876: */
! 877: void
! 878: write_inetd_register(transp)
! 879: char *transp;
! 880: {
! 881: list *l;
! 882: definition *def;
! 883: version_list *vp;
! 884: char *sp;
! 885: int isudp;
! 886: char tmpbuf[32];
! 887:
! 888: if (inetdflag)
! 889: sp = "\t";
! 890: else
! 891: sp = "";
! 892: if (streq(transp, "udp"))
! 893: isudp = 1;
! 894: else
! 895: isudp = 0;
! 896: f_print(fout, "\n");
! 897: if (inetdflag) {
! 898: f_print(fout, "\tif ((_rpcfdtype == 0) || (_rpcfdtype == %s)) {\n",
! 899: isudp ? "SOCK_DGRAM" : "SOCK_STREAM");
! 900: }
! 901: if (inetdflag && streq(transp, "tcp")) {
! 902: f_print(fout, "%s\tif (_rpcpmstart)\n", sp);
! 903:
! 904: f_print(fout, "%s\t\t%s = svc%s_create(%s",
! 905: sp, TRANSP, "fd", inetdflag? "sock": "RPC_ANYSOCK");
! 906: if (!isudp)
! 907: f_print(fout, ", 0, 0");
! 908: f_print(fout, ");\n");
! 909:
! 910: f_print(fout, "%s\telse\n", sp);
! 911:
! 912: f_print(fout, "%s\t\t%s = svc%s_create(%s",
! 913: sp, TRANSP, transp, inetdflag? "sock": "RPC_ANYSOCK");
! 914: if (!isudp)
! 915: f_print(fout, ", 0, 0");
! 916: f_print(fout, ");\n");
! 917:
! 918: } else {
! 919: f_print(fout, "%s\t%s = svc%s_create(%s",
! 920: sp, TRANSP, transp, inetdflag? "sock": "RPC_ANYSOCK");
! 921: if (!isudp)
! 922: f_print(fout, ", 0, 0");
! 923: f_print(fout, ");\n");
! 924: }
! 925: f_print(fout, "%s\tif (%s == NULL) {\n", sp, TRANSP);
! 926: (void) sprintf(_errbuf, "cannot create %s service.", transp);
! 927: (void) sprintf(tmpbuf, "%s\t\t", sp);
! 928: print_err_message(tmpbuf);
! 929: f_print(fout, "%s\t\texit(1);\n", sp);
! 930: f_print(fout, "%s\t}\n", sp);
! 931:
! 932: if (inetdflag) {
! 933: f_print(fout, "%s\tif (!_rpcpmstart)\n\t", sp);
! 934: f_print(fout, "%s\tproto = IPPROTO_%s;\n",
! 935: sp, isudp ? "UDP": "TCP");
! 936: }
! 937: for (l = defined; l != NULL; l = l->next) {
! 938: def = (definition *) l->val;
! 939: if (def->def_kind != DEF_PROGRAM) {
! 940: continue;
! 941: }
! 942: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
! 943: f_print(fout, "%s\tif (!svc_register(%s, %s, %s, ",
! 944: sp, TRANSP, def->def_name, vp->vers_name);
! 945: pvname(def->def_name, vp->vers_num);
! 946: if (inetdflag)
! 947: f_print(fout, ", proto)) {\n");
! 948: else
! 949: f_print(fout, ", IPPROTO_%s)) {\n",
! 950: isudp ? "UDP": "TCP");
! 951: (void) sprintf(_errbuf, "unable to register (%s, %s, %s).",
! 952: def->def_name, vp->vers_name, transp);
! 953: print_err_message(tmpbuf);
! 954: f_print(fout, "%s\t\texit(1);\n", sp);
! 955: f_print(fout, "%s\t}\n", sp);
! 956: }
! 957: }
! 958: if (inetdflag)
! 959: f_print(fout, "\t}\n");
! 960: }
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