From 5046dbb4a7eba5eccfd258f92f4735c9ffc8d069 Mon Sep 17 00:00:00 2001 From: Zack Weinberg Date: Thu, 8 Jun 2017 15:39:03 -0400 Subject: Prepare for radical source tree reorganization. All top-level files and directories are moved into a temporary storage directory, REORG.TODO, except for files that will certainly still exist in their current form at top level when we're done (COPYING, COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which are moved to the new directory OldChangeLogs, instead), and the generated file INSTALL (which is just deleted; in the new order, there will be no generated files checked into version control). --- REORG.TODO/sunrpc/rpc_svcout.c | 1093 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1093 insertions(+) create mode 100644 REORG.TODO/sunrpc/rpc_svcout.c (limited to 'REORG.TODO/sunrpc/rpc_svcout.c') diff --git a/REORG.TODO/sunrpc/rpc_svcout.c b/REORG.TODO/sunrpc/rpc_svcout.c new file mode 100644 index 0000000000..4f12a8146c --- /dev/null +++ b/REORG.TODO/sunrpc/rpc_svcout.c @@ -0,0 +1,1093 @@ +/* + * From: @(#)rpc_svcout.c 1.29 89/03/30 + * + * Copyright (c) 2010, Oracle America, Inc. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * * Neither the name of the "Oracle America, Inc." nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler + */ +#include +#include +#include "rpc_parse.h" +#include "rpc_util.h" +#include "proto.h" + +static const char RQSTP[] = "rqstp"; +static const char TRANSP[] = "transp"; +static const char ARG[] = "argument"; +static const char RESULT[] = "result"; +static const char ROUTINE[] = "local"; +static char RETVAL[] = "retval"; + +char _errbuf[256]; /* For all messages */ + +static void internal_proctype (const proc_list * plist); +static void p_xdrfunc (const char *rname, const char *typename); +static void write_real_program (const definition * def); +static void write_program (const definition * def, const char *storage); +static void printerr (const char *err, const char *transp); +static void printif (const char *proc, const char *transp, const char *arg); +static void write_inetmost (const char *infile); +static void print_return (const char *space); +static void print_pmapunset (const char *space); +static void print_err_message (const char *space); +static void write_timeout_func (void); +static void write_pm_most (const char *infile, int netflag); +static void write_rpc_svc_fg (const char *infile, const char *sp); +static void open_log_file (const char *infile, const char *sp); + +static void +p_xdrfunc (const char *rname, const char *typename) +{ + if (Cflag) + f_print (fout, "\t\t_xdr_%s = (xdrproc_t) xdr_%s;\n", rname, + stringfix (typename)); + else + f_print (fout, "\t\t_xdr_%s = xdr_%s;\n", rname, stringfix (typename)); +} + +void +internal_proctype (const proc_list * plist) +{ + f_print (fout, "static "); + ptype (plist->res_prefix, plist->res_type, 1); + f_print (fout, "*"); +} + + +/* + * write most of the service, that is, everything but the registrations. + */ +void +write_most (const char *infile /* our name */ , int netflag, int nomain) +{ + if (inetdflag || pmflag) + { + const char *var_type; + /* WHY? */ + var_type = (nomain ? "extern" : ""); + f_print (fout, "%s int _rpcpmstart;", var_type); + f_print (fout, "\t\t/* Started by a port monitor ? */\n"); + if (!tirpcflag) + { + f_print (fout, "%s int _rpcfdtype;", var_type); + f_print (fout, "\t\t/* Whether Stream or Datagram ? */\n"); + } + if (timerflag) + { +#if 0 + f_print (fout, "%s int _rpcsvcdirty;", var_type); + f_print (fout, "\t/* Still serving ? */\n"); +#else + f_print(fout, " /* States a server can be in wrt request */\n\n"); + f_print(fout, "#define\t_IDLE 0\n"); + f_print(fout, "#define\t_SERVED 1\n"); + f_print(fout, "#define\t_SERVING 2\n\n"); + f_print(fout, "static int _rpcsvcstate = _IDLE;"); + f_print(fout, "\t /* Set when a request is serviced */\n"); + + if (mtflag) + { + f_print (fout, "mutex_t _svcstate_lock;"); + f_print (fout, + "\t\t\t/* Mutex lock for variable_rpcsvcstate */\n"); + } +#endif + } + write_svc_aux (nomain); + } + /* write out dispatcher and stubs */ + write_programs (nomain ? NULL : "static"); + + if (nomain) + return; + + if (Cflag) + f_print (fout, "\nint\nmain (int argc, char **argv)\n"); + else + { + f_print (fout, "\nint\nmain (argc, argv)\n"); + f_print (fout, "\tint argc;\n"); + f_print (fout, "\tchar **argv;\n"); + } + f_print (fout, "{\n"); + if (inetdflag) + { + write_inetmost (infile); /* Includes call to write_rpc_svc_fg() */ + } + else + { + if (tirpcflag) + { + if (netflag) + { + f_print (fout, "\tregister SVCXPRT *%s;\n", TRANSP); + f_print (fout, "\tstruct netconfig *nconf = NULL;\n"); + } + f_print (fout, "\tpid_t pid;\n"); + f_print (fout, "\tint i;\n"); + f_print (fout, "\tchar mname[FMNAMESZ + 1];\n\n"); + + if (mtflag & timerflag) + f_print (fout, + "\tmutex_init (&_svcstate_lock, USYNC_THREAD, NULL);\n"); + + write_pm_most (infile, netflag); + f_print (fout, "\telse {\n"); + write_rpc_svc_fg (infile, "\t\t"); + f_print (fout, "\t}\n"); + } + else + { + f_print (fout, "\tregister SVCXPRT *%s;\n", TRANSP); + f_print (fout, "\n"); + print_pmapunset ("\t"); + } + } + + if (logflag && !inetdflag) + { + open_log_file (infile, "\t"); + } +} + +/* + * write a registration for the given transport + */ +void +write_netid_register (const char *transp) +{ + list *l; + definition *def; + version_list *vp; + const char *sp; + char tmpbuf[32]; + + sp = ""; + f_print (fout, "\n"); + f_print (fout, "%s\tnconf = getnetconfigent (\"%s\");\n", sp, transp); + f_print (fout, "%s\tif (nconf == NULL) {\n", sp); + (void) sprintf (_errbuf, "cannot find %s netid.", transp); + sprintf (tmpbuf, "%s\t\t", sp); + print_err_message (tmpbuf); + f_print (fout, "%s\t\texit (1);\n", sp); + f_print (fout, "%s\t}\n", sp); + f_print (fout, "%s\t%s = svc_tli_create (RPC_ANYFD, nconf, 0, 0, 0);\n", + sp, TRANSP /*, transp *//* ?!?... */ ); + f_print (fout, "%s\tif (%s == NULL) {\n", sp, TRANSP); + sprintf (_errbuf, "cannot create %s service.", transp); + print_err_message (tmpbuf); + f_print (fout, "%s\t\texit (1);\n", sp); + f_print (fout, "%s\t}\n", sp); + + for (l = defined; l != NULL; l = l->next) + { + def = (definition *) l->val; + if (def->def_kind != DEF_PROGRAM) + { + continue; + } + for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) + { + f_print (fout, "%s\t(void) rpcb_unset (%s, %s, nconf);\n", + sp, def->def_name, vp->vers_name); + f_print (fout, "%s\tif (!svc_reg (%s, %s, %s, ", + sp, TRANSP, def->def_name, vp->vers_name); + pvname (def->def_name, vp->vers_num); + f_print (fout, ", nconf)) {\n"); + (void) sprintf (_errbuf, "unable to register (%s, %s, %s).", + def->def_name, vp->vers_name, transp); + print_err_message (tmpbuf); + f_print (fout, "%s\t\texit (1);\n", sp); + f_print (fout, "%s\t}\n", sp); + } + } + f_print (fout, "%s\tfreenetconfigent (nconf);\n", sp); +} + +/* + * write a registration for the given transport for TLI + */ +void +write_nettype_register (const char *transp) +{ + list *l; + definition *def; + version_list *vp; + + for (l = defined; l != NULL; l = l->next) + { + def = (definition *) l->val; + if (def->def_kind != DEF_PROGRAM) + { + continue; + } + for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) + { + f_print (fout, "\tif (!svc_create ("); + pvname (def->def_name, vp->vers_num); + f_print (fout, ", %s, %s, \"%s\")) {\n ", + def->def_name, vp->vers_name, transp); + (void) sprintf (_errbuf, + "unable to create (%s, %s) for %s.", + def->def_name, vp->vers_name, transp); + print_err_message ("\t\t"); + f_print (fout, "\t\texit (1);\n"); + f_print (fout, "\t}\n"); + } + } +} + +/* + * write the rest of the service + */ +void +write_rest (void) +{ + f_print (fout, "\n"); + if (inetdflag) + { + f_print (fout, "\tif (%s == (SVCXPRT *)NULL) {\n", TRANSP); + (void) sprintf (_errbuf, "could not create a handle"); + print_err_message ("\t\t"); + f_print (fout, "\t\texit (1);\n"); + f_print (fout, "\t}\n"); + if (timerflag) + { + f_print (fout, "\tif (_rpcpmstart) {\n"); + f_print (fout, + "\t\t(void) signal (SIGALRM, %s closedown);\n", + Cflag ? "(SIG_PF)" : "(void(*)())"); + f_print (fout, "\t\t(void) alarm (_RPCSVC_CLOSEDOWN);\n"); + f_print (fout, "\t}\n"); + } + } + f_print (fout, "\tsvc_run ();\n"); + (void) sprintf (_errbuf, "svc_run returned"); + print_err_message ("\t"); + f_print (fout, "\texit (1);\n"); + f_print (fout, "\t/* NOTREACHED */\n"); + f_print (fout, "}\n"); +} + +void +write_programs (const char *storage) +{ + list *l; + definition *def; + + /* write out stubs for procedure definitions */ + for (l = defined; l != NULL; l = l->next) + { + def = (definition *) l->val; + if (def->def_kind == DEF_PROGRAM) + { + write_real_program (def); + } + } + + /* write out dispatcher for each program */ + for (l = defined; l != NULL; l = l->next) + { + def = (definition *) l->val; + if (def->def_kind == DEF_PROGRAM) + { + write_program (def, storage); + } + } +} + +/* write out definition of internal function (e.g. _printmsg_1(...)) + which calls server's defintion of actual function (e.g. printmsg_1(...)). + Unpacks single user argument of printmsg_1 to call-by-value format + expected by printmsg_1. */ +static void +write_real_program (const definition * def) +{ + version_list *vp; + proc_list *proc; + decl_list *l; + + if (!newstyle) + return; /* not needed for old style */ + for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) + { + for (proc = vp->procs; proc != NULL; proc = proc->next) + { + fprintf (fout, "\n"); + if (!mtflag) + internal_proctype (proc); + else + f_print (fout, "int"); + f_print (fout, "\n_"); + pvname (proc->proc_name, vp->vers_num); + if (Cflag) + { + f_print (fout, " ("); + /* arg name */ + if (proc->arg_num > 1) + f_print (fout, "%s", proc->args.argname); + else + ptype (proc->args.decls->decl.prefix, + proc->args.decls->decl.type, 0); + if (mtflag) + { + f_print(fout, " *argp, void *%s, struct svc_req *%s)\n", + RESULT, RQSTP); + } + else + f_print (fout, " *argp, struct svc_req *%s)\n", + RQSTP); + } + else + { + if (mtflag) + f_print(fout, " (argp, %s, %s)\n", RESULT, RQSTP); + else + f_print (fout, " (argp, %s)\n", RQSTP); + /* arg name */ + if (proc->arg_num > 1) + f_print (fout, "\t%s *argp;\n", proc->args.argname); + else + { + f_print (fout, "\t"); + ptype (proc->args.decls->decl.prefix, + proc->args.decls->decl.type, 0); + f_print (fout, " *argp;\n"); + } + f_print (fout, " struct svc_req *%s;\n", RQSTP); + } + + f_print (fout, "{\n"); + f_print (fout, "\treturn ("); + if (Cflag || mtflag) + pvname_svc (proc->proc_name, vp->vers_num); + else + pvname (proc->proc_name, vp->vers_num); + f_print (fout, "("); + if (proc->arg_num < 2) + { /* single argument */ + if (!streq (proc->args.decls->decl.type, "void")) + f_print (fout, "*argp, "); /* non-void */ + } + else + { + for (l = proc->args.decls; l != NULL; l = l->next) + f_print (fout, "argp->%s, ", l->decl.name); + } + if (mtflag) + f_print (fout, "%s, ", RESULT); + f_print (fout, "%s));\n}\n", RQSTP); + } + } +} + +static void +write_program (const definition * def, const char *storage) +{ + version_list *vp; + proc_list *proc; + int filled; + + for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) + { + f_print (fout, "\n"); + if (storage != NULL) + { + f_print (fout, "%s ", storage); + } + f_print (fout, "void\n"); + pvname (def->def_name, vp->vers_num); + + if (Cflag) + { + f_print (fout, "(struct svc_req *%s, ", RQSTP); + f_print (fout, "register SVCXPRT *%s)\n", TRANSP); + } + else + { + f_print (fout, "(%s, %s)\n", RQSTP, TRANSP); + f_print (fout, " struct svc_req *%s;\n", RQSTP); + f_print (fout, " register SVCXPRT *%s;\n", TRANSP); + } + + f_print (fout, "{\n"); + + filled = 0; + f_print (fout, "\tunion {\n"); + for (proc = vp->procs; proc != NULL; proc = proc->next) + { + if (proc->arg_num < 2) + { /* single argument */ + if (streq (proc->args.decls->decl.type, + "void")) + { + continue; + } + filled = 1; + f_print (fout, "\t\t"); + ptype (proc->args.decls->decl.prefix, + proc->args.decls->decl.type, 0); + pvname (proc->proc_name, vp->vers_num); + f_print (fout, "_arg;\n"); + + } + else + { + filled = 1; + f_print (fout, "\t\t%s", proc->args.argname); + f_print (fout, " "); + pvname (proc->proc_name, vp->vers_num); + f_print (fout, "_arg;\n"); + } + } + if (!filled) + { + f_print (fout, "\t\tint fill;\n"); + } + f_print (fout, "\t} %s;\n", ARG); + if (mtflag) + { + f_print(fout, "\tunion {\n"); + for (proc = vp->procs; proc != NULL; proc = proc->next) + if (!streq (proc->res_type, "void")) + { + f_print(fout, "\t\t"); + ptype(proc->res_prefix, proc->res_type, 0); + pvname(proc->proc_name, vp->vers_num); + f_print(fout, "_res;\n"); + } + f_print(fout, "\t} %s;\n", RESULT); + f_print(fout, "\tbool_t %s;\n", RETVAL); + + } else + f_print (fout, "\tchar *%s;\n", RESULT); + + if (Cflag) + { + f_print (fout, "\txdrproc_t _xdr_%s, _xdr_%s;\n", ARG, RESULT); + if (mtflag) + f_print(fout, + "\tbool_t (*%s)(char *, void *, struct svc_req *);\n", + ROUTINE); + else + f_print (fout, "\tchar *(*%s)(char *, struct svc_req *);\n", + ROUTINE); + } + else + { + f_print (fout, "\tbool_t (*_xdr_%s)(), (*_xdr_%s)();\n", ARG, RESULT); + if (mtflag) + f_print(fout, "\tbool_t (*%s)();\n", ROUTINE); + else + f_print (fout, "\tchar *(*%s)();\n", ROUTINE); + } + f_print (fout, "\n"); + + if (timerflag) +#if 0 + f_print (fout, "\t_rpcsvcdirty = 1;\n"); +#else + { + if (mtflag) + f_print(fout, "\tmutex_lock(&_svcstate_lock);\n"); + f_print(fout, "\t_rpcsvcstate = _SERVING;\n"); + if (mtflag) + f_print(fout, "\tmutex_unlock(&_svcstate_lock);\n"); + } +#endif + + f_print (fout, "\tswitch (%s->rq_proc) {\n", RQSTP); + if (!nullproc (vp->procs)) + { + f_print (fout, "\tcase NULLPROC:\n"); + f_print (fout, + "\t\t(void) svc_sendreply (%s, (xdrproc_t) xdr_void, (char *)NULL);\n", + TRANSP); + print_return ("\t\t"); + f_print (fout, "\n"); + } + for (proc = vp->procs; proc != NULL; proc = proc->next) + { + f_print (fout, "\tcase %s:\n", proc->proc_name); + if (proc->arg_num < 2) + { /* single argument */ + p_xdrfunc (ARG, proc->args.decls->decl.type); + } + else + { + p_xdrfunc (ARG, proc->args.argname); + } + p_xdrfunc (RESULT, proc->res_type); + if (Cflag) + { + if (mtflag) + f_print(fout, + "\t\t%s = (bool_t (*) (char *, void *, struct svc_req *))", + ROUTINE); + else + f_print (fout, + "\t\t%s = (char *(*)(char *, struct svc_req *)) ", + ROUTINE); + } + else + if (mtflag) + f_print(fout, "\t\t%s = (bool_t (*)()) ", ROUTINE); + else + f_print (fout, "\t\t%s = (char *(*)()) ", ROUTINE); + + if (newstyle) + { /* new style: calls internal routine */ + f_print (fout, "_"); + } + if ((Cflag || mtflag) && !newstyle) + pvname_svc (proc->proc_name, vp->vers_num); + else + pvname (proc->proc_name, vp->vers_num); + f_print (fout, ";\n"); + f_print (fout, "\t\tbreak;\n\n"); + } + f_print (fout, "\tdefault:\n"); + printerr ("noproc", TRANSP); + print_return ("\t\t"); + f_print (fout, "\t}\n"); + + f_print (fout, "\tmemset ((char *)&%s, 0, sizeof (%s));\n", ARG, ARG); + printif ("getargs", TRANSP, ARG); + printerr ("decode", TRANSP); + print_return ("\t\t"); + f_print (fout, "\t}\n"); + + if (!mtflag) + { + if (Cflag) + f_print (fout, "\t%s = (*%s)((char *)&%s, %s);\n", + RESULT, ROUTINE, ARG, RQSTP); + else + f_print (fout, "\t%s = (*%s)(&%s, %s);\n", + RESULT, ROUTINE, ARG, RQSTP); + } + else + if (Cflag) + f_print(fout, "\t%s = (bool_t) (*%s)((char *)&%s, (void *)&%s, %s);\n", + RETVAL, ROUTINE, ARG, RESULT, RQSTP); + else + f_print(fout, "\t%s = (bool_t) (*%s)(&%s, &%s, %s);\n", + RETVAL, ROUTINE, ARG, RESULT, RQSTP); + if (mtflag) + f_print(fout, + "\tif (%s > 0 && !svc_sendreply(%s, (xdrproc_t) _xdr_%s, (char *)&%s)) {\n", + RETVAL, TRANSP, RESULT, RESULT); + else + f_print(fout, + "\tif (%s != NULL && !svc_sendreply(%s, (xdrproc_t) _xdr_%s, %s)) {\n", + RESULT, TRANSP, RESULT, RESULT); + + printerr ("systemerr", TRANSP); + f_print (fout, "\t}\n"); + + printif ("freeargs", TRANSP, ARG); + + sprintf (_errbuf, "unable to free arguments"); + print_err_message ("\t\t"); + f_print (fout, "\t\texit (1);\n"); + f_print (fout, "\t}\n"); + /* print out free routine */ + if (mtflag) + { + f_print(fout,"\tif (!"); + pvname(def->def_name, vp->vers_num); + f_print(fout,"_freeresult (%s, _xdr_%s, (caddr_t) &%s))\n", + TRANSP, RESULT, RESULT); + (void) sprintf(_errbuf, "unable to free results"); + print_err_message("\t\t"); + f_print(fout, "\n"); + } + print_return ("\t"); + f_print (fout, "}\n"); + } +} + +static void +printerr (const char *err, const char *transp) +{ + f_print (fout, "\t\tsvcerr_%s (%s);\n", err, transp); +} + +static void +printif (const char *proc, const char *transp, const char *arg) +{ + f_print (fout, "\tif (!svc_%s (%s, (xdrproc_t) _xdr_%s, (caddr_t) &%s)) {\n", + proc, transp, arg, arg); +} + +int +nullproc (const proc_list * proc) +{ + for (; proc != NULL; proc = proc->next) + { + if (streq (proc->proc_num, "0")) + { + return 1; + } + } + return 0; +} + +static void +write_inetmost (const char *infile) +{ + f_print (fout, "\tregister SVCXPRT *%s;\n", TRANSP); + f_print (fout, "\tint sock;\n"); + f_print (fout, "\tint proto;\n"); + f_print (fout, "\tstruct sockaddr_in saddr;\n"); + f_print (fout, "\tint asize = sizeof (saddr);\n"); + f_print (fout, "\n"); + f_print (fout, + "\tif (getsockname (0, (struct sockaddr *)&saddr, &asize) == 0) {\n"); + f_print (fout, "\t\tint ssize = sizeof (int);\n\n"); + f_print (fout, "\t\tif (saddr.sin_family != AF_INET)\n"); + f_print (fout, "\t\t\texit (1);\n"); + f_print (fout, "\t\tif (getsockopt (0, SOL_SOCKET, SO_TYPE,\n"); + f_print (fout, "\t\t\t\t(char *)&_rpcfdtype, &ssize) == -1)\n"); + f_print (fout, "\t\t\texit (1);\n"); + f_print (fout, "\t\tsock = 0;\n"); + f_print (fout, "\t\t_rpcpmstart = 1;\n"); + f_print (fout, "\t\tproto = 0;\n"); + open_log_file (infile, "\t\t"); + f_print (fout, "\t} else {\n"); + write_rpc_svc_fg (infile, "\t\t"); + f_print (fout, "\t\tsock = RPC_ANYSOCK;\n"); + print_pmapunset ("\t\t"); + f_print (fout, "\t}\n"); +} + +static void +print_return (const char *space) +{ + if (exitnow) + f_print (fout, "%sexit (0);\n", space); + else + { + if (timerflag) + { +#if 0 + f_print (fout, "%s_rpcsvcdirty = 0;\n", space); +#else + if (mtflag) + f_print(fout, "%smutex_lock(&_svcstate_lock);\n", space); + f_print(fout, "%s_rpcsvcstate = _SERVED;\n", space); + if (mtflag) + f_print(fout, "%smutex_unlock(&_svcstate_lock);\n", space); +#endif + } + f_print (fout, "%sreturn;\n", space); + } +} + +static void +print_pmapunset (const char *space) +{ + list *l; + definition *def; + version_list *vp; + + for (l = defined; l != NULL; l = l->next) + { + def = (definition *) l->val; + if (def->def_kind == DEF_PROGRAM) + { + for (vp = def->def.pr.versions; vp != NULL; + vp = vp->next) + { + f_print (fout, "%spmap_unset (%s, %s);\n", + space, def->def_name, vp->vers_name); + } + } + } +} + +static void +print_err_message (const char *space) +{ + if (logflag) + f_print (fout, "%ssyslog (LOG_ERR, \"%%s\", \"%s\");\n", space, _errbuf); + else if (inetdflag || pmflag) + f_print (fout, "%s_msgout (\"%s\");\n", space, _errbuf); + else + f_print (fout, "%sfprintf (stderr, \"%%s\", \"%s\");\n", space, _errbuf); +} + +/* + * Write the server auxiliary function ( _msgout, timeout) + */ +void +write_svc_aux (int nomain) +{ + if (!logflag) + write_msg_out (); + if (!nomain) + write_timeout_func (); +} + +/* + * Write the _msgout function + */ + +void +write_msg_out (void) +{ + f_print (fout, "\n"); + f_print (fout, "static\n"); + if (!Cflag) + { + f_print (fout, "void _msgout (msg)\n"); + f_print (fout, "\tchar *msg;\n"); + } + else + { + f_print (fout, "void _msgout (char* msg)\n"); + } + f_print (fout, "{\n"); + f_print (fout, "#ifdef RPC_SVC_FG\n"); + if (inetdflag || pmflag) + f_print (fout, "\tif (_rpcpmstart)\n"); + f_print (fout, "\t\tsyslog (LOG_ERR, \"%%s\", msg);\n"); + f_print (fout, "\telse\n"); + f_print (fout, "\t\tfprintf (stderr, \"%%s\\n\", msg);\n"); + f_print (fout, "#else\n"); + f_print (fout, "\tsyslog (LOG_ERR, \"%%s\", msg);\n"); + f_print (fout, "#endif\n"); + f_print (fout, "}\n"); +} + +/* + * Write the timeout function + */ +static void +write_timeout_func (void) +{ + if (!timerflag) + return; + f_print (fout, "\n"); + f_print (fout, "static void\n"); + if (Cflag) + f_print (fout, "closedown (int sig)\n"); + else + f_print (fout, "closedown (sig)\n\tint sig;\n"); + f_print (fout, "{\n"); + +#if 0 + f_print (fout, "\t(void) signal (sig, %s closedown);\n", + Cflag ? "(SIG_PF)" : "(void(*)())"); +#endif + if (mtflag) + f_print(fout, "\tmutex_lock(&_svcstate_lock);\n"); +#if 0 + f_print (fout, "\tif (_rpcsvcdirty == 0) {\n"); +#else + f_print(fout, "\tif (_rpcsvcstate == _IDLE) {\n"); +#endif + f_print (fout, "\t\textern fd_set svc_fdset;\n"); + f_print (fout, "\t\tstatic int size;\n"); + f_print (fout, "\t\tint i, openfd;\n"); + if (tirpcflag && pmflag) + { + f_print (fout, "\t\tstruct t_info tinfo;\n\n"); + f_print (fout, "\t\tif (!t_getinfo(0, &tinfo) && (tinfo.servtype == T_CLTS))\n"); + } + else + { + f_print (fout, "\n\t\tif (_rpcfdtype == SOCK_DGRAM)\n"); + } + f_print (fout, "\t\t\texit (0);\n"); + f_print (fout, "\t\tif (size == 0) {\n"); + if (tirpcflag) + { + f_print (fout, "\t\t\tstruct rlimit rl;\n\n"); + f_print (fout, "\t\t\trl.rlim_max = 0;\n"); + f_print (fout, "\t\t\tgetrlimit(RLIMIT_NOFILE, &rl);\n"); + f_print (fout, "\t\t\tif ((size = rl.rlim_max) == 0) {\n"); + if (mtflag) + f_print(fout, "\t\t\t\tmutex_unlock(&_svcstate_lock);\n"); + f_print (fout, "\t\t\t\treturn;\n\t\t\t}\n"); + } + else + { + f_print (fout, "\t\t\tsize = getdtablesize();\n"); + } + f_print (fout, "\t\t}\n"); + f_print (fout, "\t\tfor (i = 0, openfd = 0; i < size && openfd < 2; i++)\n"); + f_print (fout, "\t\t\tif (FD_ISSET(i, &svc_fdset))\n"); + f_print (fout, "\t\t\t\topenfd++;\n"); + f_print (fout, "\t\tif (openfd <= 1)\n"); + f_print (fout, "\t\t\texit (0);\n"); + f_print (fout, "\t}\n"); + f_print(fout, "\tif (_rpcsvcstate == _SERVED)\n"); + f_print(fout, "\t\t_rpcsvcstate = _IDLE;\n\n"); + if (mtflag) + f_print(fout, "\tmutex_unlock(&_svcstate_lock);\n"); + f_print(fout, "\t(void) signal(SIGALRM, %s closedown);\n", + Cflag? "(SIG_PF)" : "(void(*)())"); + f_print (fout, "\talarm (_RPCSVC_CLOSEDOWN);\n"); + f_print (fout, "}\n"); +} + +/* + * Write the most of port monitor support + */ +static void +write_pm_most (const char *infile, int netflag) +{ + list *l; + definition *def; + version_list *vp; + + f_print (fout, "\tif (!ioctl(0, I_LOOK, mname) &&\n"); + f_print (fout, "\t\t(!strcmp(mname, \"sockmod\") ||"); + f_print (fout, " !strcmp(mname, \"timod\"))) {\n"); + f_print (fout, "\t\tchar *netid;\n"); + if (!netflag) + { /* Not included by -n option */ + f_print (fout, "\t\tstruct netconfig *nconf = NULL;\n"); + f_print (fout, "\t\tSVCXPRT *%s;\n", TRANSP); + } + if (timerflag) + f_print (fout, "\t\tint pmclose;\n"); +/* not necessary, defined in /usr/include/stdlib */ +/* f_print(fout, "\t\textern char *getenv();\n"); */ + f_print (fout, "\n"); + f_print (fout, "\t\t_rpcpmstart = 1;\n"); + if (logflag) + open_log_file (infile, "\t\t"); + f_print (fout, "\t\tif ((netid = getenv(\"NLSPROVIDER\")) == NULL) {\n"); + sprintf (_errbuf, "cannot get transport name"); + print_err_message ("\t\t\t"); + f_print (fout, "\t\t} else if ((nconf = getnetconfigent(netid)) == NULL) {\n"); + sprintf (_errbuf, "cannot get transport info"); + print_err_message ("\t\t\t"); + f_print (fout, "\t\t}\n"); + /* + * A kludgy support for inetd services. Inetd only works with + * sockmod, and RPC works only with timod, hence all this jugglery + */ + f_print (fout, "\t\tif (strcmp(mname, \"sockmod\") == 0) {\n"); + f_print (fout, "\t\t\tif (ioctl(0, I_POP, 0) || ioctl(0, I_PUSH, \"timod\")) {\n"); + sprintf (_errbuf, "could not get the right module"); + print_err_message ("\t\t\t\t"); + f_print (fout, "\t\t\t\texit(1);\n"); + f_print (fout, "\t\t\t}\n"); + f_print (fout, "\t\t}\n"); + if (timerflag) + f_print (fout, "\t\tpmclose = (t_getstate(0) != T_DATAXFER);\n"); + f_print (fout, "\t\tif ((%s = svc_tli_create(0, nconf, NULL, 0, 0)) == NULL) {\n", + TRANSP); + sprintf (_errbuf, "cannot create server handle"); + print_err_message ("\t\t\t"); + f_print (fout, "\t\t\texit(1);\n"); + f_print (fout, "\t\t}\n"); + f_print (fout, "\t\tif (nconf)\n"); + f_print (fout, "\t\t\tfreenetconfigent(nconf);\n"); + for (l = defined; l != NULL; l = l->next) + { + def = (definition *) l->val; + if (def->def_kind != DEF_PROGRAM) + { + continue; + } + for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) + { + f_print (fout, + "\t\tif (!svc_reg(%s, %s, %s, ", + TRANSP, def->def_name, vp->vers_name); + pvname (def->def_name, vp->vers_num); + f_print (fout, ", 0)) {\n"); + (void) sprintf (_errbuf, "unable to register (%s, %s).", + def->def_name, vp->vers_name); + print_err_message ("\t\t\t"); + f_print (fout, "\t\t\texit(1);\n"); + f_print (fout, "\t\t}\n"); + } + } + if (timerflag) + { + f_print (fout, "\t\tif (pmclose) {\n"); + f_print (fout, "\t\t\t(void) signal(SIGALRM, %s closedown);\n", + Cflag ? "(SIG_PF)" : "(void(*)())"); + f_print (fout, "\t\t\t(void) alarm(_RPCSVC_CLOSEDOWN);\n"); + f_print (fout, "\t\t}\n"); + } + f_print (fout, "\t\tsvc_run();\n"); + f_print (fout, "\t\texit(1);\n"); + f_print (fout, "\t\t/* NOTREACHED */\n"); + f_print (fout, "\t}\n"); +} + +/* + * Support for backgrounding the server if self started. + */ +static void +write_rpc_svc_fg (const char *infile, const char *sp) +{ + f_print (fout, "#ifndef RPC_SVC_FG\n"); + f_print (fout, "%sint size;\n", sp); + if (tirpcflag) + f_print (fout, "%sstruct rlimit rl;\n", sp); + if (inetdflag) + f_print (fout, "%sint pid, i;\n\n", sp); + f_print (fout, "%spid = fork();\n", sp); + f_print (fout, "%sif (pid < 0) {\n", sp); + f_print (fout, "%s\tperror(\"cannot fork\");\n", sp); + f_print (fout, "%s\texit(1);\n", sp); + f_print (fout, "%s}\n", sp); + f_print (fout, "%sif (pid)\n", sp); + f_print (fout, "%s\texit(0);\n", sp); + /* get number of file descriptors */ + if (tirpcflag) + { + f_print (fout, "%srl.rlim_max = 0;\n", sp); + f_print (fout, "%sgetrlimit(RLIMIT_NOFILE, &rl);\n", sp); + f_print (fout, "%sif ((size = rl.rlim_max) == 0)\n", sp); + f_print (fout, "%s\texit(1);\n", sp); + } + else + { + f_print (fout, "%ssize = getdtablesize();\n", sp); + } + + f_print (fout, "%sfor (i = 0; i < size; i++)\n", sp); + f_print (fout, "%s\t(void) close(i);\n", sp); + /* Redirect stderr and stdout to console */ + f_print (fout, "%si = open(\"/dev/console\", 2);\n", sp); + f_print (fout, "%s(void) dup2(i, 1);\n", sp); + f_print (fout, "%s(void) dup2(i, 2);\n", sp); + /* This removes control of the controlling terminal */ + if (tirpcflag) + f_print (fout, "%ssetsid();\n", sp); + else + { + f_print (fout, "%si = open(\"/dev/tty\", 2);\n", sp); + f_print (fout, "%sif (i >= 0) {\n", sp); + f_print (fout, "%s\t(void) ioctl(i, TIOCNOTTY, (char *)NULL);\n", sp);; + f_print (fout, "%s\t(void) close(i);\n", sp); + f_print (fout, "%s}\n", sp); + } + if (!logflag) + open_log_file (infile, sp); + f_print (fout, "#endif\n"); + if (logflag) + open_log_file (infile, sp); +} + +static void +open_log_file (const char *infile, const char *sp) +{ + char *s; + + s = strrchr (infile, '.'); + if (s) + *s = '\0'; + f_print (fout, "%sopenlog(\"%s\", LOG_PID, LOG_DAEMON);\n", sp, infile); + if (s) + *s = '.'; +} + +/* + * write a registration for the given transport for Inetd + */ +void +write_inetd_register (const char *transp) +{ + list *l; + definition *def; + version_list *vp; + const char *sp; + int isudp; + char tmpbuf[32]; + + if (inetdflag) + sp = "\t"; + else + sp = ""; + if (streq (transp, "udp") || streq (transp, "udp6")) + isudp = 1; + else + isudp = 0; + f_print (fout, "\n"); + if (inetdflag) + { + f_print (fout, "\tif ((_rpcfdtype == 0) || (_rpcfdtype == %s)) {\n", + isudp ? "SOCK_DGRAM" : "SOCK_STREAM"); + } + f_print (fout, "%s\t%s = svc%s_create(%s", + sp, TRANSP, transp, inetdflag ? "sock" : "RPC_ANYSOCK"); + if (!isudp) + f_print (fout, ", 0, 0"); + f_print (fout, ");\n"); + f_print (fout, "%s\tif (%s == NULL) {\n", sp, TRANSP); + (void) sprintf (_errbuf, "cannot create %s service.", transp); + (void) sprintf (tmpbuf, "%s\t\t", sp); + print_err_message (tmpbuf); + f_print (fout, "%s\t\texit(1);\n", sp); + f_print (fout, "%s\t}\n", sp); + + if (inetdflag) + { + f_print (fout, "%s\tif (!_rpcpmstart)\n\t", sp); + f_print (fout, "%s\tproto = IPPROTO_%s;\n", + sp, isudp ? "UDP" : "TCP"); + } + for (l = defined; l != NULL; l = l->next) + { + def = (definition *) l->val; + if (def->def_kind != DEF_PROGRAM) + { + continue; + } + for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) + { + f_print (fout, "%s\tif (!svc_register(%s, %s, %s, ", + sp, TRANSP, def->def_name, vp->vers_name); + pvname (def->def_name, vp->vers_num); + if (inetdflag) + f_print (fout, ", proto)) {\n"); + else + f_print (fout, ", IPPROTO_%s)) {\n", + isudp ? "UDP" : "TCP"); + (void) sprintf (_errbuf, "unable to register (%s, %s, %s).", + def->def_name, vp->vers_name, transp); + print_err_message (tmpbuf); + f_print (fout, "%s\t\texit(1);\n", sp); + f_print (fout, "%s\t}\n", sp); + } + } + if (inetdflag) + f_print (fout, "\t}\n"); +} -- cgit v1.2.1