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1102 lines
30 KiB
C
1102 lines
30 KiB
C
/*
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* From: @(#)rpc_svcout.c 1.29 89/03/30
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*
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* Copyright (c) 2010, Oracle America, Inc.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of the "Oracle America, Inc." nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler
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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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#include "proto.h"
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static const char RQSTP[] = "rqstp";
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static const char TRANSP[] = "transp";
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static const char ARG[] = "argument";
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static const char RESULT[] = "result";
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static const 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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static void internal_proctype (const proc_list * plist);
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static void p_xdrfunc (const char *rname, const char *typename);
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static void write_real_program (const definition * def);
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static void write_program (const definition * def, const char *storage);
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static void printerr (const char *err, const char *transp);
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static void printif (const char *proc, const char *transp, const char *arg);
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static void write_inetmost (const char *infile);
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static void print_return (const char *space);
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static void print_pmapunset (const char *space);
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static void print_err_message (const char *space);
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static void write_timeout_func (void);
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static void write_pm_most (const char *infile, int netflag);
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static void write_rpc_svc_fg (const char *infile, const char *sp);
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static void open_log_file (const char *infile, const char *sp);
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static void
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p_xdrfunc (const char *rname, const char *typename)
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{
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if (Cflag)
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f_print (fout, "\t\t_xdr_%s = (xdrproc_t) xdr_%s;\n", rname,
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stringfix (typename));
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else
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f_print (fout, "\t\t_xdr_%s = xdr_%s;\n", rname, stringfix (typename));
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}
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void
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internal_proctype (const 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 (const char *infile /* our name */ , int netflag, int nomain)
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{
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if (inetdflag || pmflag)
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{
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const char *var_type;
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#ifdef __GNU_LIBRARY__
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/* WHY? */
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var_type = (nomain ? "extern" : "");
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#else
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var_type = (nomain ? "extern" : "static");
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#endif
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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)
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{
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f_print (fout, "%s int _rpcfdtype;", var_type);
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f_print (fout, "\t\t/* Whether Stream or Datagram ? */\n");
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}
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if (timerflag)
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{
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#if 0
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f_print (fout, "%s int _rpcsvcdirty;", var_type);
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f_print (fout, "\t/* Still serving ? */\n");
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#else
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f_print(fout, " /* States a server can be in 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 serviced */\n");
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if (mtflag)
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{
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f_print (fout, "mutex_t _svcstate_lock;");
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f_print (fout,
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"\t\t\t/* Mutex lock for variable_rpcsvcstate */\n");
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}
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#endif
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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 ? NULL : "static");
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if (nomain)
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return;
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#ifdef __GNU_LIBRARY__
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if (Cflag)
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f_print (fout, "\nint\nmain (int argc, char **argv)\n");
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else
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{
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f_print (fout, "\nint\nmain (argc, argv)\n");
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f_print (fout, "\tint argc;\n");
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f_print (fout, "\tchar **argv;\n");
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}
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#else
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f_print (fout, "\nmain()\n");
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#endif
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f_print (fout, "{\n");
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if (inetdflag)
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{
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write_inetmost (infile); /* Includes call to write_rpc_svc_fg() */
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}
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else
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{
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if (tirpcflag)
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{
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if (netflag)
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{
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f_print (fout, "\tregister SVCXPRT *%s;\n", TRANSP);
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f_print (fout, "\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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f_print (fout, "\tchar mname[FMNAMESZ + 1];\n\n");
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if (mtflag & timerflag)
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f_print (fout,
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"\tmutex_init (&_svcstate_lock, USYNC_THREAD, NULL);\n");
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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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}
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else
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{
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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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{
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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 (const 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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const 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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f_print (fout, "%s\t%s = svc_tli_create (RPC_ANYFD, nconf, 0, 0, 0);\n",
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sp, TRANSP /*, transp *//* ?!?... */ );
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f_print (fout, "%s\tif (%s == NULL) {\n", sp, TRANSP);
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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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{
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def = (definition *) l->val;
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if (def->def_kind != DEF_PROGRAM)
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{
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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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{
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f_print (fout, "%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, "%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, "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 (const 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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{
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def = (definition *) l->val;
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if (def->def_kind != DEF_PROGRAM)
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{
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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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{
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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 (void)
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{
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f_print (fout, "\n");
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if (inetdflag)
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{
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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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{
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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) alarm (_RPCSVC_CLOSEDOWN);\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 (const 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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{
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def = (definition *) l->val;
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if (def->def_kind == DEF_PROGRAM)
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{
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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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{
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def = (definition *) l->val;
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if (def->def_kind == DEF_PROGRAM)
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{
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write_program (def, storage);
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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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static void
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write_real_program (const 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)
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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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{
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for (proc = vp->procs; proc != NULL; proc = proc->next)
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{
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fprintf (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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{
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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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{
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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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else
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f_print (fout, " *argp, struct svc_req *%s)\n",
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RQSTP);
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}
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else
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{
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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", proc->args.argname);
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else
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{
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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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|
}
|
|
f_print (fout, " struct svc_req *%s;\n", RQSTP);
|
|
}
|
|
|
|
f_print (fout, "{\n");
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|
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"))
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|
f_print (fout, "*argp, "); /* non-void */
|
|
}
|
|
else
|
|
{
|
|
for (l = proc->args.decls; l != NULL; l = l->next)
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|
f_print (fout, "argp->%s, ", l->decl.name);
|
|
}
|
|
if (mtflag)
|
|
f_print (fout, "%s, ", RESULT);
|
|
f_print (fout, "%s));\n}\n", RQSTP);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
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|
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 defined (__GNU_LIBRARY__) && 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");
|
|
}
|