mirror of
https://git.FreeBSD.org/src.git
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1150 lines
30 KiB
C
1150 lines
30 KiB
C
/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#ident "@(#)rpc_svcout.c 1.4 90/04/13 SMI"
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)rpc_svcout.c 1.29 89/03/30 (C) 1987 SMI";
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#endif
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler
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* Copyright (C) 1987, Sun Microsystems, Inc.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "rpc_parse.h"
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#include "rpc_util.h"
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extern int tirpc_socket;
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static char RQSTP[] = "rqstp";
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static char TRANSP[] = "transp";
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static char ARG[] = "argument";
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static char RESULT[] = "result";
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static char ROUTINE[] = "local";
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static char RETVAL[] = "retval";
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char _errbuf[256]; /* For all messages */
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void internal_proctype( proc_list * );
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static void write_real_program( definition * );
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static void write_program( definition *, char * );
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static void printerr( char *, char * );
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static void printif( char *, char *, char *, char * );
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static void write_inetmost( char * );
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static void print_return( char * );
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static void print_pmapunset( char * );
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static void print_err_message( char * );
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static void write_timeout_func( void );
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static void write_pm_most( char *, int );
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static void write_rpc_svc_fg( char *, char * );
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static void open_log_file( char *, char * );
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static void write_msg_out( void );
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int nullproc( proc_list * );
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static void
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p_xdrfunc(rname, typename)
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char* rname;
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char* typename;
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{
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if (Cflag)
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f_print(fout, "\t\txdr_%s = (xdrproc_t) xdr_%s;\n",
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rname, stringfix(typename));
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else
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f_print(fout, "\t\txdr_%s = xdr_%s;\n",
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rname, stringfix(typename));
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}
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void
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internal_proctype(plist)
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proc_list *plist;
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{
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f_print(fout, "static ");
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ptype(plist->res_prefix, plist->res_type, 1);
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f_print(fout, "*");
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}
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/*
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* write most of the service, that is, everything but the registrations.
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*/
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void
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write_most(infile, netflag, nomain)
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char *infile; /* our name */
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int netflag;
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int nomain;
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{
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if (inetdflag || pmflag) {
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char* var_type;
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var_type = (nomain? "extern" : "static");
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f_print(fout, "%s int _rpcpmstart;", var_type);
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f_print(fout, "\t\t/* Started by a port monitor ? */\n");
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if (!tirpcflag || tirpc_socket) {
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f_print(fout, "%s int _rpcfdtype;", var_type);
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f_print(fout, "\n\t\t /* Whether Stream or \
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Datagram ? */\n");
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}
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if (timerflag) {
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f_print(fout, " /* States a server can be in \
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wrt request */\n\n");
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f_print(fout, "#define\t_IDLE 0\n");
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f_print(fout, "#define\t_SERVED 1\n");
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f_print(fout, "#define\t_SERVING 2\n\n");
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f_print(fout, "static int _rpcsvcstate = _IDLE;");
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f_print(fout, "\t /* Set when a request is \
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serviced */\n");
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if (mtflag) {
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f_print(fout, "mutex_t _svcstate_lock;");
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f_print(fout, "\t\t\t/* Mutex lock for variable _rpcsvcstate */\n");
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}
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}
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write_svc_aux(nomain);
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}
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/* write out dispatcher and stubs */
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write_programs(nomain? (char *)NULL : "static");
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if (nomain)
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return;
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f_print(fout, "\nint\n");
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f_print(fout, "main()\n");
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f_print(fout, "{\n");
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if (tirpcflag) {
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if (!inetdflag)
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f_print(fout, "\t");
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f_print(fout, "\tint maxrec = RPC_MAXDATASIZE;\n");
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}
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if (inetdflag) {
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write_inetmost(infile);
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/* Includes call to write_rpc_svc_fg() */
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} else {
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if (tirpcflag) {
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if (netflag) {
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f_print(fout,
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"\tregister SVCXPRT *%s;\n", TRANSP);
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f_print(fout,
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"\tstruct netconfig *nconf = NULL;\n");
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}
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f_print(fout, "\tpid_t pid;\n");
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f_print(fout, "\tint i;\n");
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if (pmflag) {
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if (tirpc_socket) {
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f_print(fout, "\tstruct sockaddr_storage saddr;\n");
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f_print(fout, "\tint asize = sizeof (saddr);\n\n");
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} else
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f_print(fout, "\tchar mname[FMNAMESZ + 1];\n\n");
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}
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if (mtflag & timerflag)
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f_print(fout, "\tmutex_init(&_svcstate_lock, USYNC_THREAD, NULL);\n");
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if (pmflag) {
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write_pm_most(infile, netflag);
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f_print(fout, "\telse {\n");
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write_rpc_svc_fg(infile, "\t\t");
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f_print(fout, "\t}\n");
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} else
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write_rpc_svc_fg(infile, "\t\t");
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} else {
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f_print(fout, "\tregister SVCXPRT *%s;\n", TRANSP);
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f_print(fout, "\n");
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print_pmapunset("\t");
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}
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}
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if (logflag && !inetdflag) {
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open_log_file(infile, "\t");
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}
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}
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/*
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* write a registration for the given transport
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*/
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void
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write_netid_register(transp)
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char *transp;
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{
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list *l;
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definition *def;
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version_list *vp;
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char *sp;
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char tmpbuf[32];
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sp = "";
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f_print(fout, "\n");
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f_print(fout, "%s\tnconf = getnetconfigent(\"%s\");\n", sp, transp);
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f_print(fout, "%s\tif (nconf == NULL) {\n", sp);
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(void) sprintf(_errbuf, "cannot find %s netid.", transp);
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sprintf(tmpbuf, "%s\t\t", sp);
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print_err_message(tmpbuf);
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f_print(fout, "%s\t\texit(1);\n", sp);
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f_print(fout, "%s\t}\n", sp);
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if (tirpcflag) {
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f_print(fout, "%s\t%s = svc_tli_create(RPC_ANYFD, ",
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sp, TRANSP);
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f_print(fout,"nconf, 0, RPC_MAXDATASIZE, RPC_MAXDATASIZE);\n");
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} else {
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f_print(fout,
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"%s\t%s = svc_tli_create(RPC_ANYFD, nconf, 0, 0, 0);\n",
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sp, TRANSP);
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}
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f_print(fout, "%s\tif (%s == NULL) {\n", sp, TRANSP);
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(void) sprintf(_errbuf, "cannot create %s service.", transp);
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print_err_message(tmpbuf);
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f_print(fout, "%s\t\texit(1);\n", sp);
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f_print(fout, "%s\t}\n", sp);
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for (l = defined; l != NULL; l = l->next) {
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def = (definition *) l->val;
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if (def->def_kind != DEF_PROGRAM) {
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continue;
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}
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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f_print(fout,
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"%s\t(void) rpcb_unset(%s, %s, nconf);\n",
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sp, def->def_name, vp->vers_name);
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f_print(fout,
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"%s\tif (!svc_reg(%s, %s, %s, ",
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sp, TRANSP, def->def_name, vp->vers_name);
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pvname(def->def_name, vp->vers_num);
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f_print(fout, ", nconf)) {\n");
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(void) sprintf(_errbuf,
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"unable to register (%s, %s, %s).",
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def->def_name, vp->vers_name, transp);
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print_err_message(tmpbuf);
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f_print(fout, "%s\t\texit(1);\n", sp);
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f_print(fout, "%s\t}\n", sp);
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}
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}
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f_print(fout, "%s\tfreenetconfigent(nconf);\n", sp);
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}
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/*
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* write a registration for the given transport for TLI
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*/
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void
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write_nettype_register(transp)
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char *transp;
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{
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list *l;
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definition *def;
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version_list *vp;
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for (l = defined; l != NULL; l = l->next) {
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def = (definition *) l->val;
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if (def->def_kind != DEF_PROGRAM) {
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continue;
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}
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if (tirpcflag) {
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f_print(fout,
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"\trpc_control(RPC_SVC_CONNMAXREC_SET, &maxrec);\n");
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}
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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f_print(fout, "\tif (!svc_create(");
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pvname(def->def_name, vp->vers_num);
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f_print(fout, ", %s, %s, \"%s\")) {\n",
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def->def_name, vp->vers_name, transp);
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(void) sprintf(_errbuf,
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"unable to create (%s, %s) for %s.",
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def->def_name, vp->vers_name, transp);
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print_err_message("\t\t");
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f_print(fout, "\t\texit(1);\n");
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f_print(fout, "\t}\n");
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}
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}
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}
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/*
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* write the rest of the service
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*/
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void
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write_rest()
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{
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f_print(fout, "\n");
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if (inetdflag) {
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f_print(fout, "\tif (%s == (SVCXPRT *)NULL) {\n", TRANSP);
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(void) sprintf(_errbuf, "could not create a handle");
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print_err_message("\t\t");
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f_print(fout, "\t\texit(1);\n");
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f_print(fout, "\t}\n");
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if (timerflag) {
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f_print(fout, "\tif (_rpcpmstart) {\n");
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f_print(fout,
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"\t\t(void) signal(SIGALRM, %s closedown);\n",
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Cflag? "(SIG_PF)":"(void(*)())");
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f_print(fout, "\t\t(void) \
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alarm(_RPCSVC_CLOSEDOWN/2);\n");
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f_print(fout, "\t}\n");
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}
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}
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f_print(fout, "\tsvc_run();\n");
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(void) sprintf(_errbuf, "svc_run returned");
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print_err_message("\t");
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f_print(fout, "\texit(1);\n");
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f_print(fout, "\t/* NOTREACHED */\n");
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f_print(fout, "}\n");
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}
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void
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write_programs(storage)
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char *storage;
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{
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list *l;
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definition *def;
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/* write out stubs for procedure definitions */
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for (l = defined; l != NULL; l = l->next) {
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def = (definition *) l->val;
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if (def->def_kind == DEF_PROGRAM) {
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write_real_program(def);
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}
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}
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/* write out dispatcher for each program */
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for (l = defined; l != NULL; l = l->next) {
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def = (definition *) l->val;
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if (def->def_kind == DEF_PROGRAM) {
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write_program(def, storage);
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}
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}
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}
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/*
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* write out definition of internal function (e.g. _printmsg_1(...))
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* which calls server's defintion of actual function (e.g. printmsg_1(...)).
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* Unpacks single user argument of printmsg_1 to call-by-value format
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* expected by printmsg_1.
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*/
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static void
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write_real_program(def)
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definition *def;
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{
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version_list *vp;
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proc_list *proc;
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decl_list *l;
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if (!newstyle) return; /* not needed for old style */
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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for (proc = vp->procs; proc != NULL; proc = proc->next) {
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f_print(fout, "\n");
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if (!mtflag)
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internal_proctype(proc);
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else
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f_print(fout, "int");
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f_print(fout, "\n_");
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pvname(proc->proc_name, vp->vers_num);
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if (Cflag) {
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f_print(fout, "(");
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/* arg name */
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if (proc->arg_num > 1)
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f_print(fout, proc->args.argname);
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else
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ptype(proc->args.decls->decl.prefix,
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proc->args.decls->decl.type, 0);
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if (mtflag) {
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f_print(fout, " *argp, void *%s, struct svc_req *%s)\n",
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RESULT, RQSTP);
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|
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}
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else
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f_print(fout, " *argp, struct svc_req *%s)\n",
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RQSTP);
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} else {
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if (mtflag)
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f_print(fout, "(argp, %s, %s)\n", RESULT, RQSTP);
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else
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f_print(fout, "(argp, %s)\n", RQSTP);
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/* arg name */
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if (proc->arg_num > 1)
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f_print(fout, "\t%s *argp;\n",
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proc->args.argname);
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else {
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f_print(fout, "\t");
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ptype(proc->args.decls->decl.prefix,
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proc->args.decls->decl.type, 0);
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f_print(fout, " *argp;\n");
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}
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if (mtflag)
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f_print(fout, "\tvoid *%s;\n", RESULT);
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f_print(fout, "\tstruct svc_req *%s;\n", RQSTP);
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}
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f_print(fout, "{\n");
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f_print(fout, "\treturn (");
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if (Cflag || mtflag) /* for mtflag, arguments are different */
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pvname_svc(proc->proc_name, vp->vers_num);
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else
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "(");
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if (proc->arg_num < 2) { /* single argument */
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if (!streq(proc->args.decls->decl.type, "void"))
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f_print(fout, "*argp, "); /* non-void */
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} else {
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for (l = proc->args.decls; l != NULL;
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l = l->next)
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f_print(fout, "argp->%s, ",
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l->decl.name);
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}
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if (mtflag)
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f_print(fout, "%s, ",RESULT);
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f_print(fout, "%s));\n}\n", RQSTP);
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|
}
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|
}
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|
}
|
|
|
|
static void
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write_program(def, storage)
|
|
definition *def;
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|
char *storage;
|
|
{
|
|
version_list *vp;
|
|
proc_list *proc;
|
|
int filled;
|
|
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|
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
|
|
f_print(fout, "\n");
|
|
if (storage != NULL) {
|
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f_print(fout, "%s ", storage);
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|
}
|
|
f_print(fout, "void\n");
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pvname(def->def_name, vp->vers_num);
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|
|
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if (Cflag) {
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f_print(fout, "(struct svc_req *%s, ", RQSTP);
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f_print(fout, "register SVCXPRT *%s)\n", TRANSP);
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} else {
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f_print(fout, "(%s, %s)\n", RQSTP, TRANSP);
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f_print(fout, " struct svc_req *%s;\n", RQSTP);
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|
f_print(fout, " register SVCXPRT *%s;\n", TRANSP);
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|
}
|
|
|
|
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) {
|
|
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 (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");
|
|
}
|
|
|
|
f_print(fout, "\tswitch (%s->rq_proc) {\n", RQSTP);
|
|
if (!nullproc(vp->procs)) {
|
|
f_print(fout, "\tcase NULLPROC:\n");
|
|
f_print(fout,
|
|
Cflag
|
|
? "\t\t(void) svc_sendreply(%s,\n\t\t\t\
|
|
(xdrproc_t) xdr_void, (char *)NULL);\n"
|
|
: "\t\t(void) svc_sendreply(%s, xdr_void,\n\t\t\t\
|
|
(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,
|
|
"\t(void) memset((char *)&%s, 0, sizeof (%s));\n",
|
|
ARG, ARG);
|
|
if (Cflag)
|
|
printif("getargs", TRANSP, "(caddr_t) &", ARG);
|
|
else
|
|
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, xdr_%s, (char *)&%s)) {\n",
|
|
RETVAL, TRANSP, RESULT, RESULT);
|
|
else
|
|
f_print(fout,
|
|
"\tif (%s != NULL && !svc_sendreply(%s, xdr_%s, %s)) {\n",
|
|
RESULT, TRANSP, RESULT, RESULT);
|
|
|
|
printerr("systemerr", TRANSP);
|
|
f_print(fout, "\t}\n");
|
|
|
|
if (Cflag)
|
|
printif("freeargs", TRANSP, "(caddr_t) &", ARG);
|
|
else
|
|
printif("freeargs", TRANSP, "&", ARG);
|
|
(void) 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(err, transp)
|
|
char *err;
|
|
char *transp;
|
|
{
|
|
f_print(fout, "\t\tsvcerr_%s(%s);\n", err, transp);
|
|
}
|
|
|
|
static void
|
|
printif(proc, transp, prefix, arg)
|
|
char *proc;
|
|
char *transp;
|
|
char *prefix;
|
|
char *arg;
|
|
{
|
|
f_print(fout, "\tif (!svc_%s(%s, xdr_%s, (char *)%s%s)) {\n",
|
|
proc, transp, arg, prefix, arg);
|
|
}
|
|
|
|
int
|
|
nullproc(proc)
|
|
proc_list *proc;
|
|
{
|
|
for (; proc != NULL; proc = proc->next) {
|
|
if (streq(proc->proc_num, "0")) {
|
|
return (1);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
write_inetmost(infile)
|
|
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(space)
|
|
char *space;
|
|
{
|
|
if (exitnow)
|
|
f_print(fout, "%sexit(0);\n", space);
|
|
else {
|
|
if (timerflag) {
|
|
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);
|
|
}
|
|
f_print(fout, "%sreturn;\n", space);
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_pmapunset(space)
|
|
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, "%s(void) pmap_unset(%s, %s);\n",
|
|
space, def->def_name, vp->vers_name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_err_message(space)
|
|
char *space;
|
|
{
|
|
if (logflag)
|
|
f_print(fout, "%ssyslog(LOG_ERR, \"%s\");\n", space, _errbuf);
|
|
else if (inetdflag || pmflag)
|
|
f_print(fout, "%s_msgout(\"%s\");\n", space, _errbuf);
|
|
else
|
|
f_print(fout, "%sfprintf(stderr, \"%s\");\n", space, _errbuf);
|
|
}
|
|
|
|
/*
|
|
* Write the server auxiliary function (_msgout, timeout)
|
|
*/
|
|
void
|
|
write_svc_aux(nomain)
|
|
int nomain;
|
|
{
|
|
if (!logflag)
|
|
write_msg_out();
|
|
if (!nomain)
|
|
write_timeout_func();
|
|
}
|
|
|
|
/*
|
|
* Write the _msgout function
|
|
*/
|
|
|
|
static void
|
|
write_msg_out(void)
|
|
{
|
|
f_print(fout, "\n");
|
|
/*
|
|
* Avoid making _msgout() static -- it's useful to have it visible
|
|
* in the toplevel RPC server code.
|
|
*/
|
|
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(const 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\t(void) fprintf(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(sig)\n");
|
|
f_print(fout, "\tint sig;\n");
|
|
} else
|
|
f_print(fout, "closedown(int sig)\n");
|
|
f_print(fout, "{\n");
|
|
if (mtflag)
|
|
f_print(fout, "\tmutex_lock(&_svcstate_lock);\n");
|
|
f_print(fout, "\tif (_rpcsvcstate == _IDLE) {\n");
|
|
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, "\t(void) alarm(_RPCSVC_CLOSEDOWN/2);\n");
|
|
f_print(fout, "}\n");
|
|
|
|
}
|
|
|
|
/*
|
|
* Write the most of port monitor support
|
|
*/
|
|
static void
|
|
write_pm_most(infile, netflag)
|
|
char *infile;
|
|
int netflag;
|
|
{
|
|
list *l;
|
|
definition *def;
|
|
version_list *vp;
|
|
|
|
if (tirpc_socket) {
|
|
f_print(fout,
|
|
"\tif (getsockname(0, (struct sockaddr *)&saddr, &asize) == 0) {\n");
|
|
f_print(fout, "\t\tint ssize = sizeof (int);\n");
|
|
} else {
|
|
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, " !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");
|
|
if (tirpc_socket) {
|
|
f_print(fout, "\t\tif (saddr.ss_family != AF_INET &&\n");
|
|
f_print(fout, "\t\t saddr.ss_family != AF_INET6)\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\t_rpcpmstart = 1;\n");
|
|
open_log_file(infile, "\t\t");
|
|
f_print(fout, "\n\t\tif ((netid = \
|
|
getenv(\"NLSPROVIDER\")) == NULL) {\n");
|
|
|
|
if (timerflag) {
|
|
f_print(fout, "\t\t/* started from inetd */\n");
|
|
f_print(fout, "\t\t\tpmclose = 1;\n");
|
|
}
|
|
f_print(fout,
|
|
"\t\t} else {\n");
|
|
f_print(fout, "\t\t\tif ((nconf = getnetconfigent(netid)) == NULL)\n");
|
|
sprintf(_errbuf, "cannot get transport info");
|
|
print_err_message("\t\t\t\t");
|
|
if (timerflag) {
|
|
if (tirpc_socket)
|
|
f_print(fout, "\n\t\t\tpmclose = 1;\t/* XXX */\n");
|
|
else
|
|
f_print(fout,
|
|
"\n\t\t\tpmclose = (t_getstate(0) != T_DATAXFER);\n");
|
|
}
|
|
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
|
|
*/
|
|
if (!tirpc_socket) {
|
|
f_print(fout, "\t\tif (strcmp(mname, \"sockmod\") == 0) {\n");
|
|
f_print(fout, "\t\t\tif (ioctl(0, I_POP, 0) || ");
|
|
f_print(fout, "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 (tirpcflag) {
|
|
f_print(fout,
|
|
"\t\tif ((%s = svc_tli_create(0, nconf, NULL, \
|
|
RPC_MAXDATASIZE, RPC_MAXDATASIZE)) \
|
|
== NULL) {\n",
|
|
TRANSP);
|
|
} else {
|
|
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/2);\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}");
|
|
}
|
|
|
|
/*
|
|
* Support for backgrounding the server if self started.
|
|
*/
|
|
static void
|
|
write_rpc_svc_fg(infile, sp)
|
|
char *infile;
|
|
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(infile, sp)
|
|
char *infile;
|
|
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(transp)
|
|
char *transp;
|
|
{
|
|
list *l;
|
|
definition *def;
|
|
version_list *vp;
|
|
char *sp;
|
|
int isudp;
|
|
char tmpbuf[32];
|
|
|
|
if (inetdflag)
|
|
sp = "\t";
|
|
else
|
|
sp = "";
|
|
if (streq(transp, "udp"))
|
|
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");
|
|
}
|
|
if (tirpcflag)
|
|
f_print(fout, "\t\trpc_control(RPC_SVC_CONNMAXREC_SET, &maxrec);\n");
|
|
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");
|
|
}
|