1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093
|
/*
* From: @(#)rpc_svcout.c 1.29 89/03/30
*
* Copyright (c) 2010, Oracle America, Inc.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
* * Neither the name of the "Oracle America, Inc." nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler
*/
#include <stdio.h>
#include <string.h>
#include "rpc_parse.h"
#include "rpc_util.h"
#include "proto.h"
static const char RQSTP[] = "rqstp";
static const char TRANSP[] = "transp";
static const char ARG[] = "argument";
static const char RESULT[] = "result";
static const char ROUTINE[] = "local";
static char RETVAL[] = "retval";
char _errbuf[256]; /* For all messages */
static void internal_proctype (const proc_list * plist);
static void p_xdrfunc (const char *rname, const char *typename);
static void write_real_program (const definition * def);
static void write_program (const definition * def, const char *storage);
static void printerr (const char *err, const char *transp);
static void printif (const char *proc, const char *transp, const char *arg);
static void write_inetmost (const char *infile);
static void print_return (const char *space);
static void print_pmapunset (const char *space);
static void print_err_message (const char *space);
static void write_timeout_func (void);
static void write_pm_most (const char *infile, int netflag);
static void write_rpc_svc_fg (const char *infile, const char *sp);
static void open_log_file (const char *infile, const char *sp);
static void
p_xdrfunc (const char *rname, const char *typename)
{
if (Cflag)
f_print (fout, "\t\t_xdr_%s = (xdrproc_t) xdr_%s;\n", rname,
stringfix (typename));
else
f_print (fout, "\t\t_xdr_%s = xdr_%s;\n", rname, stringfix (typename));
}
void
internal_proctype (const proc_list * plist)
{
f_print (fout, "static ");
ptype (plist->res_prefix, plist->res_type, 1);
f_print (fout, "*");
}
/*
* write most of the service, that is, everything but the registrations.
*/
void
write_most (const char *infile /* our name */ , int netflag, int nomain)
{
if (inetdflag || pmflag)
{
const char *var_type;
/* WHY? */
var_type = (nomain ? "extern" : "");
f_print (fout, "%s int _rpcpmstart;", var_type);
f_print (fout, "\t\t/* Started by a port monitor ? */\n");
if (!tirpcflag)
{
f_print (fout, "%s int _rpcfdtype;", var_type);
f_print (fout, "\t\t/* Whether Stream or Datagram ? */\n");
}
if (timerflag)
{
#if 0
f_print (fout, "%s int _rpcsvcdirty;", var_type);
f_print (fout, "\t/* Still serving ? */\n");
#else
f_print(fout, " /* States a server can be in wrt request */\n\n");
f_print(fout, "#define\t_IDLE 0\n");
f_print(fout, "#define\t_SERVED 1\n");
f_print(fout, "#define\t_SERVING 2\n\n");
f_print(fout, "static int _rpcsvcstate = _IDLE;");
f_print(fout, "\t /* Set when a request is serviced */\n");
if (mtflag)
{
f_print (fout, "mutex_t _svcstate_lock;");
f_print (fout,
"\t\t\t/* Mutex lock for variable_rpcsvcstate */\n");
}
#endif
}
write_svc_aux (nomain);
}
/* write out dispatcher and stubs */
write_programs (nomain ? NULL : "static");
if (nomain)
return;
if (Cflag)
f_print (fout, "\nint\nmain (int argc, char **argv)\n");
else
{
f_print (fout, "\nint\nmain (argc, argv)\n");
f_print (fout, "\tint argc;\n");
f_print (fout, "\tchar **argv;\n");
}
f_print (fout, "{\n");
if (inetdflag)
{
write_inetmost (infile); /* Includes call to write_rpc_svc_fg() */
}
else
{
if (tirpcflag)
{
if (netflag)
{
f_print (fout, "\tregister SVCXPRT *%s;\n", TRANSP);
f_print (fout, "\tstruct netconfig *nconf = NULL;\n");
}
f_print (fout, "\tpid_t pid;\n");
f_print (fout, "\tint i;\n");
f_print (fout, "\tchar mname[FMNAMESZ + 1];\n\n");
if (mtflag & timerflag)
f_print (fout,
"\tmutex_init (&_svcstate_lock, USYNC_THREAD, NULL);\n");
write_pm_most (infile, netflag);
f_print (fout, "\telse {\n");
write_rpc_svc_fg (infile, "\t\t");
f_print (fout, "\t}\n");
}
else
{
f_print (fout, "\tregister SVCXPRT *%s;\n", TRANSP);
f_print (fout, "\n");
print_pmapunset ("\t");
}
}
if (logflag && !inetdflag)
{
open_log_file (infile, "\t");
}
}
/*
* write a registration for the given transport
*/
void
write_netid_register (const char *transp)
{
list *l;
definition *def;
version_list *vp;
const char *sp;
char tmpbuf[32];
sp = "";
f_print (fout, "\n");
f_print (fout, "%s\tnconf = getnetconfigent (\"%s\");\n", sp, transp);
f_print (fout, "%s\tif (nconf == NULL) {\n", sp);
(void) sprintf (_errbuf, "cannot find %s netid.", transp);
sprintf (tmpbuf, "%s\t\t", sp);
print_err_message (tmpbuf);
f_print (fout, "%s\t\texit (1);\n", sp);
f_print (fout, "%s\t}\n", sp);
f_print (fout, "%s\t%s = svc_tli_create (RPC_ANYFD, nconf, 0, 0, 0);\n",
sp, TRANSP /*, transp *//* ?!?... */ );
f_print (fout, "%s\tif (%s == NULL) {\n", sp, TRANSP);
sprintf (_errbuf, "cannot create %s service.", transp);
print_err_message (tmpbuf);
f_print (fout, "%s\t\texit (1);\n", sp);
f_print (fout, "%s\t}\n", sp);
for (l = defined; l != NULL; l = l->next)
{
def = (definition *) l->val;
if (def->def_kind != DEF_PROGRAM)
{
continue;
}
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
{
f_print (fout, "%s\t(void) rpcb_unset (%s, %s, nconf);\n",
sp, def->def_name, vp->vers_name);
f_print (fout, "%s\tif (!svc_reg (%s, %s, %s, ",
sp, TRANSP, def->def_name, vp->vers_name);
pvname (def->def_name, vp->vers_num);
f_print (fout, ", nconf)) {\n");
(void) sprintf (_errbuf, "unable to register (%s, %s, %s).",
def->def_name, vp->vers_name, transp);
print_err_message (tmpbuf);
f_print (fout, "%s\t\texit (1);\n", sp);
f_print (fout, "%s\t}\n", sp);
}
}
f_print (fout, "%s\tfreenetconfigent (nconf);\n", sp);
}
/*
* write a registration for the given transport for TLI
*/
void
write_nettype_register (const char *transp)
{
list *l;
definition *def;
version_list *vp;
for (l = defined; l != NULL; l = l->next)
{
def = (definition *) l->val;
if (def->def_kind != DEF_PROGRAM)
{
continue;
}
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
{
f_print (fout, "\tif (!svc_create (");
pvname (def->def_name, vp->vers_num);
f_print (fout, ", %s, %s, \"%s\")) {\n ",
def->def_name, vp->vers_name, transp);
(void) sprintf (_errbuf,
"unable to create (%s, %s) for %s.",
def->def_name, vp->vers_name, transp);
print_err_message ("\t\t");
f_print (fout, "\t\texit (1);\n");
f_print (fout, "\t}\n");
}
}
}
/*
* write the rest of the service
*/
void
write_rest (void)
{
f_print (fout, "\n");
if (inetdflag)
{
f_print (fout, "\tif (%s == (SVCXPRT *)NULL) {\n", TRANSP);
(void) sprintf (_errbuf, "could not create a handle");
print_err_message ("\t\t");
f_print (fout, "\t\texit (1);\n");
f_print (fout, "\t}\n");
if (timerflag)
{
f_print (fout, "\tif (_rpcpmstart) {\n");
f_print (fout,
"\t\t(void) signal (SIGALRM, %s closedown);\n",
Cflag ? "(SIG_PF)" : "(void(*)())");
f_print (fout, "\t\t(void) alarm (_RPCSVC_CLOSEDOWN);\n");
f_print (fout, "\t}\n");
}
}
f_print (fout, "\tsvc_run ();\n");
(void) sprintf (_errbuf, "svc_run returned");
print_err_message ("\t");
f_print (fout, "\texit (1);\n");
f_print (fout, "\t/* NOTREACHED */\n");
f_print (fout, "}\n");
}
void
write_programs (const char *storage)
{
list *l;
definition *def;
/* write out stubs for procedure definitions */
for (l = defined; l != NULL; l = l->next)
{
def = (definition *) l->val;
if (def->def_kind == DEF_PROGRAM)
{
write_real_program (def);
}
}
/* write out dispatcher for each program */
for (l = defined; l != NULL; l = l->next)
{
def = (definition *) l->val;
if (def->def_kind == DEF_PROGRAM)
{
write_program (def, storage);
}
}
}
/* write out definition of internal function (e.g. _printmsg_1(...))
which calls server's defintion of actual function (e.g. printmsg_1(...)).
Unpacks single user argument of printmsg_1 to call-by-value format
expected by printmsg_1. */
static void
write_real_program (const definition * def)
{
version_list *vp;
proc_list *proc;
decl_list *l;
if (!newstyle)
return; /* not needed for old style */
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
{
for (proc = vp->procs; proc != NULL; proc = proc->next)
{
fprintf (fout, "\n");
if (!mtflag)
internal_proctype (proc);
else
f_print (fout, "int");
f_print (fout, "\n_");
pvname (proc->proc_name, vp->vers_num);
if (Cflag)
{
f_print (fout, " (");
/* arg name */
if (proc->arg_num > 1)
f_print (fout, "%s", proc->args.argname);
else
ptype (proc->args.decls->decl.prefix,
proc->args.decls->decl.type, 0);
if (mtflag)
{
f_print(fout, " *argp, void *%s, struct svc_req *%s)\n",
RESULT, RQSTP);
}
else
f_print (fout, " *argp, struct svc_req *%s)\n",
RQSTP);
}
else
{
if (mtflag)
f_print(fout, " (argp, %s, %s)\n", RESULT, RQSTP);
else
f_print (fout, " (argp, %s)\n", RQSTP);
/* arg name */
if (proc->arg_num > 1)
f_print (fout, "\t%s *argp;\n", proc->args.argname);
else
{
f_print (fout, "\t");
ptype (proc->args.decls->decl.prefix,
proc->args.decls->decl.type, 0);
f_print (fout, " *argp;\n");
}
f_print (fout, " struct svc_req *%s;\n", RQSTP);
}
f_print (fout, "{\n");
f_print (fout, "\treturn (");
if (Cflag || mtflag)
pvname_svc (proc->proc_name, vp->vers_num);
else
pvname (proc->proc_name, vp->vers_num);
f_print (fout, "(");
if (proc->arg_num < 2)
{ /* single argument */
if (!streq (proc->args.decls->decl.type, "void"))
f_print (fout, "*argp, "); /* non-void */
}
else
{
for (l = proc->args.decls; l != NULL; l = l->next)
f_print (fout, "argp->%s, ", l->decl.name);
}
if (mtflag)
f_print (fout, "%s, ", RESULT);
f_print (fout, "%s));\n}\n", RQSTP);
}
}
}
static void
write_program (const definition * def, const char *storage)
{
version_list *vp;
proc_list *proc;
int filled;
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
{
f_print (fout, "\n");
if (storage != NULL)
{
f_print (fout, "%s ", storage);
}
f_print (fout, "void\n");
pvname (def->def_name, vp->vers_num);
if (Cflag)
{
f_print (fout, "(struct svc_req *%s, ", RQSTP);
f_print (fout, "register SVCXPRT *%s)\n", TRANSP);
}
else
{
f_print (fout, "(%s, %s)\n", RQSTP, TRANSP);
f_print (fout, " struct svc_req *%s;\n", RQSTP);
f_print (fout, " register SVCXPRT *%s;\n", TRANSP);
}
f_print (fout, "{\n");
filled = 0;
f_print (fout, "\tunion {\n");
for (proc = vp->procs; proc != NULL; proc = proc->next)
{
if (proc->arg_num < 2)
{ /* single argument */
if (streq (proc->args.decls->decl.type,
"void"))
{
continue;
}
filled = 1;
f_print (fout, "\t\t");
ptype (proc->args.decls->decl.prefix,
proc->args.decls->decl.type, 0);
pvname (proc->proc_name, vp->vers_num);
f_print (fout, "_arg;\n");
}
else
{
filled = 1;
f_print (fout, "\t\t%s", proc->args.argname);
f_print (fout, " ");
pvname (proc->proc_name, vp->vers_num);
f_print (fout, "_arg;\n");
}
}
if (!filled)
{
f_print (fout, "\t\tint fill;\n");
}
f_print (fout, "\t} %s;\n", ARG);
if (mtflag)
{
f_print(fout, "\tunion {\n");
for (proc = vp->procs; proc != NULL; proc = proc->next)
if (!streq (proc->res_type, "void"))
{
f_print(fout, "\t\t");
ptype(proc->res_prefix, proc->res_type, 0);
pvname(proc->proc_name, vp->vers_num);
f_print(fout, "_res;\n");
}
f_print(fout, "\t} %s;\n", RESULT);
f_print(fout, "\tbool_t %s;\n", RETVAL);
} else
f_print (fout, "\tchar *%s;\n", RESULT);
if (Cflag)
{
f_print (fout, "\txdrproc_t _xdr_%s, _xdr_%s;\n", ARG, RESULT);
if (mtflag)
f_print(fout,
"\tbool_t (*%s)(char *, void *, struct svc_req *);\n",
ROUTINE);
else
f_print (fout, "\tchar *(*%s)(char *, struct svc_req *);\n",
ROUTINE);
}
else
{
f_print (fout, "\tbool_t (*_xdr_%s)(), (*_xdr_%s)();\n", ARG, RESULT);
if (mtflag)
f_print(fout, "\tbool_t (*%s)();\n", ROUTINE);
else
f_print (fout, "\tchar *(*%s)();\n", ROUTINE);
}
f_print (fout, "\n");
if (timerflag)
#if 0
f_print (fout, "\t_rpcsvcdirty = 1;\n");
#else
{
if (mtflag)
f_print(fout, "\tmutex_lock(&_svcstate_lock);\n");
f_print(fout, "\t_rpcsvcstate = _SERVING;\n");
if (mtflag)
f_print(fout, "\tmutex_unlock(&_svcstate_lock);\n");
}
#endif
f_print (fout, "\tswitch (%s->rq_proc) {\n", RQSTP);
if (!nullproc (vp->procs))
{
f_print (fout, "\tcase NULLPROC:\n");
f_print (fout,
"\t\t(void) svc_sendreply (%s, (xdrproc_t) xdr_void, (char *)NULL);\n",
TRANSP);
print_return ("\t\t");
f_print (fout, "\n");
}
for (proc = vp->procs; proc != NULL; proc = proc->next)
{
f_print (fout, "\tcase %s:\n", proc->proc_name);
if (proc->arg_num < 2)
{ /* single argument */
p_xdrfunc (ARG, proc->args.decls->decl.type);
}
else
{
p_xdrfunc (ARG, proc->args.argname);
}
p_xdrfunc (RESULT, proc->res_type);
if (Cflag)
{
if (mtflag)
f_print(fout,
"\t\t%s = (bool_t (*) (char *, void *, struct svc_req *))",
ROUTINE);
else
f_print (fout,
"\t\t%s = (char *(*)(char *, struct svc_req *)) ",
ROUTINE);
}
else
if (mtflag)
f_print(fout, "\t\t%s = (bool_t (*)()) ", ROUTINE);
else
f_print (fout, "\t\t%s = (char *(*)()) ", ROUTINE);
if (newstyle)
{ /* new style: calls internal routine */
f_print (fout, "_");
}
if ((Cflag || mtflag) && !newstyle)
pvname_svc (proc->proc_name, vp->vers_num);
else
pvname (proc->proc_name, vp->vers_num);
f_print (fout, ";\n");
f_print (fout, "\t\tbreak;\n\n");
}
f_print (fout, "\tdefault:\n");
printerr ("noproc", TRANSP);
print_return ("\t\t");
f_print (fout, "\t}\n");
f_print (fout, "\tmemset ((char *)&%s, 0, sizeof (%s));\n", ARG, ARG);
printif ("getargs", TRANSP, ARG);
printerr ("decode", TRANSP);
print_return ("\t\t");
f_print (fout, "\t}\n");
if (!mtflag)
{
if (Cflag)
f_print (fout, "\t%s = (*%s)((char *)&%s, %s);\n",
RESULT, ROUTINE, ARG, RQSTP);
else
f_print (fout, "\t%s = (*%s)(&%s, %s);\n",
RESULT, ROUTINE, ARG, RQSTP);
}
else
if (Cflag)
f_print(fout, "\t%s = (bool_t) (*%s)((char *)&%s, (void *)&%s, %s);\n",
RETVAL, ROUTINE, ARG, RESULT, RQSTP);
else
f_print(fout, "\t%s = (bool_t) (*%s)(&%s, &%s, %s);\n",
RETVAL, ROUTINE, ARG, RESULT, RQSTP);
if (mtflag)
f_print(fout,
"\tif (%s > 0 && !svc_sendreply(%s, (xdrproc_t) _xdr_%s, (char *)&%s)) {\n",
RETVAL, TRANSP, RESULT, RESULT);
else
f_print(fout,
"\tif (%s != NULL && !svc_sendreply(%s, (xdrproc_t) _xdr_%s, %s)) {\n",
RESULT, TRANSP, RESULT, RESULT);
printerr ("systemerr", TRANSP);
f_print (fout, "\t}\n");
printif ("freeargs", TRANSP, ARG);
sprintf (_errbuf, "unable to free arguments");
print_err_message ("\t\t");
f_print (fout, "\t\texit (1);\n");
f_print (fout, "\t}\n");
/* print out free routine */
if (mtflag)
{
f_print(fout,"\tif (!");
pvname(def->def_name, vp->vers_num);
f_print(fout,"_freeresult (%s, _xdr_%s, (caddr_t) &%s))\n",
TRANSP, RESULT, RESULT);
(void) sprintf(_errbuf, "unable to free results");
print_err_message("\t\t");
f_print(fout, "\n");
}
print_return ("\t");
f_print (fout, "}\n");
}
}
static void
printerr (const char *err, const char *transp)
{
f_print (fout, "\t\tsvcerr_%s (%s);\n", err, transp);
}
static void
printif (const char *proc, const char *transp, const char *arg)
{
f_print (fout, "\tif (!svc_%s (%s, (xdrproc_t) _xdr_%s, (caddr_t) &%s)) {\n",
proc, transp, arg, arg);
}
int
nullproc (const proc_list * proc)
{
for (; proc != NULL; proc = proc->next)
{
if (streq (proc->proc_num, "0"))
{
return 1;
}
}
return 0;
}
static void
write_inetmost (const char *infile)
{
f_print (fout, "\tregister SVCXPRT *%s;\n", TRANSP);
f_print (fout, "\tint sock;\n");
f_print (fout, "\tint proto;\n");
f_print (fout, "\tstruct sockaddr_in saddr;\n");
f_print (fout, "\tint asize = sizeof (saddr);\n");
f_print (fout, "\n");
f_print (fout,
"\tif (getsockname (0, (struct sockaddr *)&saddr, &asize) == 0) {\n");
f_print (fout, "\t\tint ssize = sizeof (int);\n\n");
f_print (fout, "\t\tif (saddr.sin_family != AF_INET)\n");
f_print (fout, "\t\t\texit (1);\n");
f_print (fout, "\t\tif (getsockopt (0, SOL_SOCKET, SO_TYPE,\n");
f_print (fout, "\t\t\t\t(char *)&_rpcfdtype, &ssize) == -1)\n");
f_print (fout, "\t\t\texit (1);\n");
f_print (fout, "\t\tsock = 0;\n");
f_print (fout, "\t\t_rpcpmstart = 1;\n");
f_print (fout, "\t\tproto = 0;\n");
open_log_file (infile, "\t\t");
f_print (fout, "\t} else {\n");
write_rpc_svc_fg (infile, "\t\t");
f_print (fout, "\t\tsock = RPC_ANYSOCK;\n");
print_pmapunset ("\t\t");
f_print (fout, "\t}\n");
}
static void
print_return (const char *space)
{
if (exitnow)
f_print (fout, "%sexit (0);\n", space);
else
{
if (timerflag)
{
#if 0
f_print (fout, "%s_rpcsvcdirty = 0;\n", space);
#else
if (mtflag)
f_print(fout, "%smutex_lock(&_svcstate_lock);\n", space);
f_print(fout, "%s_rpcsvcstate = _SERVED;\n", space);
if (mtflag)
f_print(fout, "%smutex_unlock(&_svcstate_lock);\n", space);
#endif
}
f_print (fout, "%sreturn;\n", space);
}
}
static void
print_pmapunset (const char *space)
{
list *l;
definition *def;
version_list *vp;
for (l = defined; l != NULL; l = l->next)
{
def = (definition *) l->val;
if (def->def_kind == DEF_PROGRAM)
{
for (vp = def->def.pr.versions; vp != NULL;
vp = vp->next)
{
f_print (fout, "%spmap_unset (%s, %s);\n",
space, def->def_name, vp->vers_name);
}
}
}
}
static void
print_err_message (const char *space)
{
if (logflag)
f_print (fout, "%ssyslog (LOG_ERR, \"%%s\", \"%s\");\n", space, _errbuf);
else if (inetdflag || pmflag)
f_print (fout, "%s_msgout (\"%s\");\n", space, _errbuf);
else
f_print (fout, "%sfprintf (stderr, \"%%s\", \"%s\");\n", space, _errbuf);
}
/*
* Write the server auxiliary function ( _msgout, timeout)
*/
void
write_svc_aux (int nomain)
{
if (!logflag)
write_msg_out ();
if (!nomain)
write_timeout_func ();
}
/*
* Write the _msgout function
*/
void
write_msg_out (void)
{
f_print (fout, "\n");
f_print (fout, "static\n");
if (!Cflag)
{
f_print (fout, "void _msgout (msg)\n");
f_print (fout, "\tchar *msg;\n");
}
else
{
f_print (fout, "void _msgout (char* msg)\n");
}
f_print (fout, "{\n");
f_print (fout, "#ifdef RPC_SVC_FG\n");
if (inetdflag || pmflag)
f_print (fout, "\tif (_rpcpmstart)\n");
f_print (fout, "\t\tsyslog (LOG_ERR, \"%%s\", msg);\n");
f_print (fout, "\telse\n");
f_print (fout, "\t\tfprintf (stderr, \"%%s\\n\", msg);\n");
f_print (fout, "#else\n");
f_print (fout, "\tsyslog (LOG_ERR, \"%%s\", msg);\n");
f_print (fout, "#endif\n");
f_print (fout, "}\n");
}
/*
* Write the timeout function
*/
static void
write_timeout_func (void)
{
if (!timerflag)
return;
f_print (fout, "\n");
f_print (fout, "static void\n");
if (Cflag)
f_print (fout, "closedown (int sig)\n");
else
f_print (fout, "closedown (sig)\n\tint sig;\n");
f_print (fout, "{\n");
#if 0
f_print (fout, "\t(void) signal (sig, %s closedown);\n",
Cflag ? "(SIG_PF)" : "(void(*)())");
#endif
if (mtflag)
f_print(fout, "\tmutex_lock(&_svcstate_lock);\n");
#if 0
f_print (fout, "\tif (_rpcsvcdirty == 0) {\n");
#else
f_print(fout, "\tif (_rpcsvcstate == _IDLE) {\n");
#endif
f_print (fout, "\t\textern fd_set svc_fdset;\n");
f_print (fout, "\t\tstatic int size;\n");
f_print (fout, "\t\tint i, openfd;\n");
if (tirpcflag && pmflag)
{
f_print (fout, "\t\tstruct t_info tinfo;\n\n");
f_print (fout, "\t\tif (!t_getinfo(0, &tinfo) && (tinfo.servtype == T_CLTS))\n");
}
else
{
f_print (fout, "\n\t\tif (_rpcfdtype == SOCK_DGRAM)\n");
}
f_print (fout, "\t\t\texit (0);\n");
f_print (fout, "\t\tif (size == 0) {\n");
if (tirpcflag)
{
f_print (fout, "\t\t\tstruct rlimit rl;\n\n");
f_print (fout, "\t\t\trl.rlim_max = 0;\n");
f_print (fout, "\t\t\tgetrlimit(RLIMIT_NOFILE, &rl);\n");
f_print (fout, "\t\t\tif ((size = rl.rlim_max) == 0) {\n");
if (mtflag)
f_print(fout, "\t\t\t\tmutex_unlock(&_svcstate_lock);\n");
f_print (fout, "\t\t\t\treturn;\n\t\t\t}\n");
}
else
{
f_print (fout, "\t\t\tsize = getdtablesize();\n");
}
f_print (fout, "\t\t}\n");
f_print (fout, "\t\tfor (i = 0, openfd = 0; i < size && openfd < 2; i++)\n");
f_print (fout, "\t\t\tif (FD_ISSET(i, &svc_fdset))\n");
f_print (fout, "\t\t\t\topenfd++;\n");
f_print (fout, "\t\tif (openfd <= 1)\n");
f_print (fout, "\t\t\texit (0);\n");
f_print (fout, "\t}\n");
f_print(fout, "\tif (_rpcsvcstate == _SERVED)\n");
f_print(fout, "\t\t_rpcsvcstate = _IDLE;\n\n");
if (mtflag)
f_print(fout, "\tmutex_unlock(&_svcstate_lock);\n");
f_print(fout, "\t(void) signal(SIGALRM, %s closedown);\n",
Cflag? "(SIG_PF)" : "(void(*)())");
f_print (fout, "\talarm (_RPCSVC_CLOSEDOWN);\n");
f_print (fout, "}\n");
}
/*
* Write the most of port monitor support
*/
static void
write_pm_most (const char *infile, int netflag)
{
list *l;
definition *def;
version_list *vp;
f_print (fout, "\tif (!ioctl(0, I_LOOK, mname) &&\n");
f_print (fout, "\t\t(!strcmp(mname, \"sockmod\") ||");
f_print (fout, " !strcmp(mname, \"timod\"))) {\n");
f_print (fout, "\t\tchar *netid;\n");
if (!netflag)
{ /* Not included by -n option */
f_print (fout, "\t\tstruct netconfig *nconf = NULL;\n");
f_print (fout, "\t\tSVCXPRT *%s;\n", TRANSP);
}
if (timerflag)
f_print (fout, "\t\tint pmclose;\n");
/* not necessary, defined in /usr/include/stdlib */
/* f_print(fout, "\t\textern char *getenv();\n"); */
f_print (fout, "\n");
f_print (fout, "\t\t_rpcpmstart = 1;\n");
if (logflag)
open_log_file (infile, "\t\t");
f_print (fout, "\t\tif ((netid = getenv(\"NLSPROVIDER\")) == NULL) {\n");
sprintf (_errbuf, "cannot get transport name");
print_err_message ("\t\t\t");
f_print (fout, "\t\t} else if ((nconf = getnetconfigent(netid)) == NULL) {\n");
sprintf (_errbuf, "cannot get transport info");
print_err_message ("\t\t\t");
f_print (fout, "\t\t}\n");
/*
* A kludgy support for inetd services. Inetd only works with
* sockmod, and RPC works only with timod, hence all this jugglery
*/
f_print (fout, "\t\tif (strcmp(mname, \"sockmod\") == 0) {\n");
f_print (fout, "\t\t\tif (ioctl(0, I_POP, 0) || ioctl(0, I_PUSH, \"timod\")) {\n");
sprintf (_errbuf, "could not get the right module");
print_err_message ("\t\t\t\t");
f_print (fout, "\t\t\t\texit(1);\n");
f_print (fout, "\t\t\t}\n");
f_print (fout, "\t\t}\n");
if (timerflag)
f_print (fout, "\t\tpmclose = (t_getstate(0) != T_DATAXFER);\n");
f_print (fout, "\t\tif ((%s = svc_tli_create(0, nconf, NULL, 0, 0)) == NULL) {\n",
TRANSP);
sprintf (_errbuf, "cannot create server handle");
print_err_message ("\t\t\t");
f_print (fout, "\t\t\texit(1);\n");
f_print (fout, "\t\t}\n");
f_print (fout, "\t\tif (nconf)\n");
f_print (fout, "\t\t\tfreenetconfigent(nconf);\n");
for (l = defined; l != NULL; l = l->next)
{
def = (definition *) l->val;
if (def->def_kind != DEF_PROGRAM)
{
continue;
}
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
{
f_print (fout,
"\t\tif (!svc_reg(%s, %s, %s, ",
TRANSP, def->def_name, vp->vers_name);
pvname (def->def_name, vp->vers_num);
f_print (fout, ", 0)) {\n");
(void) sprintf (_errbuf, "unable to register (%s, %s).",
def->def_name, vp->vers_name);
print_err_message ("\t\t\t");
f_print (fout, "\t\t\texit(1);\n");
f_print (fout, "\t\t}\n");
}
}
if (timerflag)
{
f_print (fout, "\t\tif (pmclose) {\n");
f_print (fout, "\t\t\t(void) signal(SIGALRM, %s closedown);\n",
Cflag ? "(SIG_PF)" : "(void(*)())");
f_print (fout, "\t\t\t(void) alarm(_RPCSVC_CLOSEDOWN);\n");
f_print (fout, "\t\t}\n");
}
f_print (fout, "\t\tsvc_run();\n");
f_print (fout, "\t\texit(1);\n");
f_print (fout, "\t\t/* NOTREACHED */\n");
f_print (fout, "\t}\n");
}
/*
* Support for backgrounding the server if self started.
*/
static void
write_rpc_svc_fg (const char *infile, const char *sp)
{
f_print (fout, "#ifndef RPC_SVC_FG\n");
f_print (fout, "%sint size;\n", sp);
if (tirpcflag)
f_print (fout, "%sstruct rlimit rl;\n", sp);
if (inetdflag)
f_print (fout, "%sint pid, i;\n\n", sp);
f_print (fout, "%spid = fork();\n", sp);
f_print (fout, "%sif (pid < 0) {\n", sp);
f_print (fout, "%s\tperror(\"cannot fork\");\n", sp);
f_print (fout, "%s\texit(1);\n", sp);
f_print (fout, "%s}\n", sp);
f_print (fout, "%sif (pid)\n", sp);
f_print (fout, "%s\texit(0);\n", sp);
/* get number of file descriptors */
if (tirpcflag)
{
f_print (fout, "%srl.rlim_max = 0;\n", sp);
f_print (fout, "%sgetrlimit(RLIMIT_NOFILE, &rl);\n", sp);
f_print (fout, "%sif ((size = rl.rlim_max) == 0)\n", sp);
f_print (fout, "%s\texit(1);\n", sp);
}
else
{
f_print (fout, "%ssize = getdtablesize();\n", sp);
}
f_print (fout, "%sfor (i = 0; i < size; i++)\n", sp);
f_print (fout, "%s\t(void) close(i);\n", sp);
/* Redirect stderr and stdout to console */
f_print (fout, "%si = open(\"/dev/console\", 2);\n", sp);
f_print (fout, "%s(void) dup2(i, 1);\n", sp);
f_print (fout, "%s(void) dup2(i, 2);\n", sp);
/* This removes control of the controlling terminal */
if (tirpcflag)
f_print (fout, "%ssetsid();\n", sp);
else
{
f_print (fout, "%si = open(\"/dev/tty\", 2);\n", sp);
f_print (fout, "%sif (i >= 0) {\n", sp);
f_print (fout, "%s\t(void) ioctl(i, TIOCNOTTY, (char *)NULL);\n", sp);;
f_print (fout, "%s\t(void) close(i);\n", sp);
f_print (fout, "%s}\n", sp);
}
if (!logflag)
open_log_file (infile, sp);
f_print (fout, "#endif\n");
if (logflag)
open_log_file (infile, sp);
}
static void
open_log_file (const char *infile, const char *sp)
{
char *s;
s = strrchr (infile, '.');
if (s)
*s = '\0';
f_print (fout, "%sopenlog(\"%s\", LOG_PID, LOG_DAEMON);\n", sp, infile);
if (s)
*s = '.';
}
/*
* write a registration for the given transport for Inetd
*/
void
write_inetd_register (const char *transp)
{
list *l;
definition *def;
version_list *vp;
const char *sp;
int isudp;
char tmpbuf[32];
if (inetdflag)
sp = "\t";
else
sp = "";
if (streq (transp, "udp") || streq (transp, "udp6"))
isudp = 1;
else
isudp = 0;
f_print (fout, "\n");
if (inetdflag)
{
f_print (fout, "\tif ((_rpcfdtype == 0) || (_rpcfdtype == %s)) {\n",
isudp ? "SOCK_DGRAM" : "SOCK_STREAM");
}
f_print (fout, "%s\t%s = svc%s_create(%s",
sp, TRANSP, transp, inetdflag ? "sock" : "RPC_ANYSOCK");
if (!isudp)
f_print (fout, ", 0, 0");
f_print (fout, ");\n");
f_print (fout, "%s\tif (%s == NULL) {\n", sp, TRANSP);
(void) sprintf (_errbuf, "cannot create %s service.", transp);
(void) sprintf (tmpbuf, "%s\t\t", sp);
print_err_message (tmpbuf);
f_print (fout, "%s\t\texit(1);\n", sp);
f_print (fout, "%s\t}\n", sp);
if (inetdflag)
{
f_print (fout, "%s\tif (!_rpcpmstart)\n\t", sp);
f_print (fout, "%s\tproto = IPPROTO_%s;\n",
sp, isudp ? "UDP" : "TCP");
}
for (l = defined; l != NULL; l = l->next)
{
def = (definition *) l->val;
if (def->def_kind != DEF_PROGRAM)
{
continue;
}
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
{
f_print (fout, "%s\tif (!svc_register(%s, %s, %s, ",
sp, TRANSP, def->def_name, vp->vers_name);
pvname (def->def_name, vp->vers_num);
if (inetdflag)
f_print (fout, ", proto)) {\n");
else
f_print (fout, ", IPPROTO_%s)) {\n",
isudp ? "UDP" : "TCP");
(void) sprintf (_errbuf, "unable to register (%s, %s, %s).",
def->def_name, vp->vers_name, transp);
print_err_message (tmpbuf);
f_print (fout, "%s\t\texit(1);\n", sp);
f_print (fout, "%s\t}\n", sp);
}
}
if (inetdflag)
f_print (fout, "\t}\n");
}
|