/* * 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 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 */ /* * 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 */ #include <stdio.h> #include <string.h> #include "rpc_parse.h" #include "rpc_util.h" #include "proto.h" static const char RQSTP[] = "rqstp"; static const char TRANSP[] = "transp"; static const char ARG[] = "argument"; static const char RESULT[] = "result"; static const char ROUTINE[] = "local"; static char RETVAL[] = "retval"; char _errbuf[256]; /* For all messages */ static void internal_proctype (const proc_list * plist); static void p_xdrfunc (const char *rname, const char *typename); static void write_real_program (const definition * def); static void write_program (const definition * def, const char *storage); static void printerr (const char *err, const char *transp); static void printif (const char *proc, const char *transp, const char *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\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; #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"); 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; #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"); 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, 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); } 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, 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); 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); if (Cflag) printif ("getargs", TRANSP, "(caddr_t) &", ARG); else printif ("getargs", TRANSP, "&", ARG); printerr ("decode", TRANSP); print_return ("\t\t"); f_print (fout, "\t}\n"); if (!mtflag) { if (Cflag) f_print (fout, "\t%s = (*%s)((char *)&%s, %s);\n", RESULT, ROUTINE, ARG, RQSTP); else f_print (fout, "\t%s = (*%s)(&%s, %s);\n", RESULT, ROUTINE, ARG, RQSTP); } else if (Cflag) f_print(fout, "\t%s = (bool_t) (*%s)((char *)&%s, (void *)&%s, %s);\n", RETVAL, ROUTINE, ARG, RESULT, RQSTP); else f_print(fout, "\t%s = (bool_t) (*%s)(&%s, &%s, %s);\n", RETVAL, ROUTINE, ARG, RESULT, RQSTP); if (mtflag) f_print(fout, "\tif (%s > 0 && !svc_sendreply(%s, _xdr_%s, (char *)&%s)) {\n", RETVAL, TRANSP, RESULT, RESULT); else f_print(fout, "\tif (%s != NULL && !svc_sendreply(%s, _xdr_%s, %s)) {\n", RESULT, TRANSP, RESULT, RESULT); printerr ("systemerr", TRANSP); f_print (fout, "\t}\n"); if (Cflag) printif ("freeargs", TRANSP, "(caddr_t) &", ARG); else printif ("freeargs", TRANSP, "&", ARG); 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 *prefix, const char *arg) { f_print (fout, "\tif (!svc_%s (%s, _xdr_%s, %s%s)) {\n", proc, transp, arg, prefix, 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"); }