diff options
Diffstat (limited to 'sunrpc/rpc_svcout.c')
| -rw-r--r-- | sunrpc/rpc_svcout.c | 848 |
1 files changed, 742 insertions, 106 deletions
diff --git a/sunrpc/rpc_svcout.c b/sunrpc/rpc_svcout.c index 7289b0da6e..f959a32b0b 100644 --- a/sunrpc/rpc_svcout.c +++ b/sunrpc/rpc_svcout.c @@ -1,44 +1,47 @@ -/* @(#)rpc_svcout.c 2.1 88/08/01 4.0 RPCSRC */ /* * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * unrestricted use provided that this legend is included on all tape * media and as a part of the software program in whole or part. Users * may copy or modify Sun RPC without charge, but are not authorized * to license or distribute it to anyone else except as part of a product or - * program developed by the user. - * + * program developed by the user or with the express written consent of + * Sun Microsystems, Inc. + * * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. - * + * * Sun RPC is provided with no support and without any obligation on the * part of Sun Microsystems, Inc. to assist in its use, correction, * modification or enhancement. - * + * * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC * OR ANY PART THEREOF. - * + * * In no event will Sun Microsystems, Inc. be liable for any lost revenue * or profits or other special, indirect and consequential damages, even if * Sun has been advised of the possibility of such damages. - * + * * Sun Microsystems, Inc. * 2550 Garcia Avenue * Mountain View, California 94043 */ -#ifndef lint -static char sccsid[] = "@(#)rpc_svcout.c 1.6 87/06/24 (C) 1987 SMI"; -#endif + +/* + * From: @(#)rpc_svcout.c 1.29 89/03/30 (C) 1987 SMI + */ +char svcout_rcsid[] = + "$Id$"; /* * rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler - * Copyright (C) 1987, Sun Microsytsems, Inc. */ #include <stdio.h> -#include <strings.h> +#include <string.h> #include "rpc_parse.h" #include "rpc_util.h" +#include "proto.h" static char RQSTP[] = "rqstp"; static char TRANSP[] = "transp"; @@ -46,120 +49,313 @@ static char ARG[] = "argument"; static char RESULT[] = "result"; static char ROUTINE[] = "local"; +char _errbuf[256]; /* For all messages */ + +static void internal_proctype(proc_list *plist); +static void p_xdrfunc(const char *rname, const char *typename); +static void write_real_program(definition *def); +static void write_program(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 *prefix, 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\txdr_%s = (xdrproc_t) xdr_%s;\n", rname, + stringfix(typename) ); + else + f_print(fout, "\t\txdr_%s = xdr_%s;\n", rname, stringfix(typename) ); +} + +void +internal_proctype(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. + * write most of the service, that is, everything but the registrations. */ void -write_most() +write_most(const char *infile /* our name */, int netflag, int nomain) +{ + if (inetdflag || pmflag) { + const char *var_type; +#ifdef __GNU_LIBRARY__ + /* WHY? */ + var_type = (nomain? "extern" : ""); +#else + var_type = (nomain? "extern" : "static"); +#endif + f_print(fout, "%s int _rpcpmstart;", var_type ); + f_print(fout, "\t\t/* Started by a port monitor ? */\n"); + f_print(fout, "%s int _rpcfdtype;", var_type ); + f_print(fout, "\t\t/* Whether Stream or Datagram ? */\n"); + if (timerflag) { + f_print(fout, "%s int _rpcsvcdirty;", var_type ); + f_print(fout, "\t/* Still serving ? */\n"); + } + write_svc_aux( nomain ); + } + /* write out dispatcher and stubs */ + write_programs(nomain ? NULL : "static"); + + if( nomain ) + return; + +#ifdef __GNU_LIBRARY__ + 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"); + } +#else + f_print(fout, "\nmain()\n"); +#endif + 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"); + 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]; - 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, "\nstatic void "); - pvname(def->def_name, vp->vers_num); - f_print(fout, "();"); - } - } - } - f_print(fout, "\n\n"); - f_print(fout, "main()\n"); - f_print(fout, "{\n"); - f_print(fout, "\tSVCXPRT *%s;\n", TRANSP); + 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); + (void) 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, "\t(void)pmap_unset(%s, %s);\n", def->def_name, vp->vers_name); + 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 + * write a registration for the given transport for TLI */ void -write_register(transp) - char *transp; +write_nettype_register(const char *transp) { list *l; definition *def; version_list *vp; - f_print(fout, "\n"); - f_print(fout, "\t%s = svc%s_create(RPC_ANYSOCK", TRANSP, transp); - if (streq(transp, "tcp")) { - f_print(fout, ", 0, 0"); - } - f_print(fout, ");\n"); - f_print(fout, "\tif (%s == NULL) {\n", TRANSP); - f_print(fout, "\t\t(void)fprintf(stderr, \"cannot create %s service.\\n\");\n", transp); - f_print(fout, "\t\texit(1);\n"); - f_print(fout, "\t}\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, - "\tif (!svc_register(%s, %s, %s, ", - TRANSP, def->def_name, vp->vers_name); + f_print(fout, "\tif (!svc_create("); pvname(def->def_name, vp->vers_num); - f_print(fout, ", IPPROTO_%s)) {\n", - streq(transp, "udp") ? "UDP" : "TCP"); - f_print(fout, - "\t\t(void)fprintf(stderr, \"unable to register (%s, %s, %s).\\n\");\n", + 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 + * write the rest of the service */ void -write_rest() +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"); - f_print(fout, "\t(void)fprintf(stderr, \"svc_run returned\\n\");\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(storage) - char *storage; +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(definition *def) +{ + version_list *vp; + proc_list *proc; + decl_list *l; -static -write_program(def, storage) - definition *def; - char *storage; + 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) { + f_print(fout, "\n"); + internal_proctype(proc); + 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, proc->args.argname); + else + ptype(proc->args.decls->decl.prefix, + proc->args.decls->decl.type, 0); + f_print(fout, " *argp, struct svc_req *%s)\n", + 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 ) + 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); + } + f_print(fout, "%s));\n}\n", RQSTP); + } + } +} + +static void +write_program(definition *def, const char *storage) { version_list *vp; proc_list *proc; @@ -172,99 +368,153 @@ write_program(def, storage) } f_print(fout, "void\n"); pvname(def->def_name, vp->vers_num); - f_print(fout, "(%s, %s)\n", RQSTP, TRANSP); - f_print(fout, " struct svc_req *%s;\n", RQSTP); - f_print(fout, " SVCXPRT *%s;\n", TRANSP); + + 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 (streq(proc->arg_type, "void")) { - continue; + 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"); } - filled = 1; - f_print(fout, "\t\t"); - ptype(proc->arg_prefix, proc->arg_type, 0); - 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); f_print(fout, "\tchar *%s;\n", RESULT); - f_print(fout, "\tbool_t (*xdr_%s)(), (*xdr_%s)();\n", ARG, RESULT); - f_print(fout, "\tchar *(*%s)();\n", ROUTINE); + + if (Cflag) { + f_print(fout, "\txdrproc_t xdr_%s, xdr_%s;\n", ARG, RESULT); + f_print(fout, + "\tchar *(*%s)(char *, struct svc_req *);\n", + ROUTINE); + } else { + f_print(fout, "\tbool_t (*xdr_%s)(), (*xdr_%s)();\n", ARG, RESULT); + f_print(fout, "\tchar *(*%s)();\n", ROUTINE); + } + f_print(fout, "\n"); - f_print(fout, "\tswitch (%s->rq_proc) {\n", RQSTP); + if (timerflag) + f_print(fout, "\t_rpcsvcdirty = 1;\n"); + 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, xdr_void, (char *)NULL);\n", TRANSP); - f_print(fout, "\t\treturn;\n\n"); + f_print(fout, + Cflag + ? "\t\t(void) svc_sendreply(%s, (xdrproc_t) xdr_void, (char *)NULL);\n" + : "\t\t(void) svc_sendreply(%s, 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); - f_print(fout, "\t\txdr_%s = xdr_%s;\n", ARG, - stringfix(proc->arg_type)); - f_print(fout, "\t\txdr_%s = xdr_%s;\n", RESULT, - stringfix(proc->res_type)); - f_print(fout, "\t\t%s = (char *(*)()) ", ROUTINE); - pvname(proc->proc_name, vp->vers_num); + 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 ) + f_print(fout, + "\t\t%s = (char *(*)(char *, struct svc_req *)) ", + ROUTINE); + else + f_print(fout, "\t\t%s = (char *(*)()) ", ROUTINE); + + if (newstyle) { /* new style: calls internal routine */ + f_print(fout,"_"); + } + if( Cflag && !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); - f_print(fout, "\t\treturn;\n"); + print_return("\t\t"); f_print(fout, "\t}\n"); - f_print(fout, "\tbzero((char *)&%s, sizeof(%s));\n", ARG, ARG); - printif("getargs", TRANSP, "&", ARG); + 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); - f_print(fout, "\t\treturn;\n"); + print_return("\t\t"); f_print(fout, "\t}\n"); - f_print(fout, "\t%s = (*%s)(&%s, %s);\n", RESULT, ROUTINE, ARG, - RQSTP); - f_print(fout, + 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); + 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"); - printif("freeargs", TRANSP, "&", ARG); - f_print(fout, "\t\t(void)fprintf(stderr, \"unable to free arguments\\n\");\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"); - - f_print(fout, "}\n\n"); + print_return("\t"); + f_print(fout, "}\n"); } } -static -printerr(err, transp) - char *err; - char *transp; +static void +printerr(const char *err, const char *transp) { f_print(fout, "\t\tsvcerr_%s(%s);\n", err, transp); } -static -printif(proc, transp, prefix, arg) - char *proc; - char *transp; - char *prefix; - char *arg; +static void +printif(const char *proc, const char *transp, const char *prefix, + const char *arg) { f_print(fout, "\tif (!svc_%s(%s, xdr_%s, %s%s)) {\n", proc, transp, arg, prefix, arg); } - -nullproc(proc) - proc_list *proc; +int +nullproc(proc_list *proc) { for (; proc != NULL; proc = proc->next) { if (streq(proc->proc_num, "0")) { @@ -273,3 +523,389 @@ nullproc(proc) } 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) + f_print(fout, "%s_rpcsvcdirty = 0;\n", space); + 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, "%s(void) pmap_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\");\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(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, 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, 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"); +#ifdef __GNU_LIBRARY__ + if (Cflag) + f_print(fout, "closedown(int sig)\n"); + else + f_print(fout, "closedown(sig)\n\tint sig;\n"); +#else + f_print(fout, "closedown()\n"); +#endif + f_print(fout, "{\n"); +#ifdef __GNU_LIBRARY__ + f_print(fout, "\t(void) signal(sig, %s closedown);\n", + Cflag? "(SIG_PF)" : "(void(*)())" ); +#endif + f_print(fout, "\tif (_rpcsvcdirty == 0) {\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"); + f_print(fout, "\t\t\t\treturn;\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, "\t(void) alarm(_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")) + 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"); +} |