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path: root/usr.bin/rpcgen/rpc_svcout.c
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Diffstat (limited to 'usr.bin/rpcgen/rpc_svcout.c')
-rw-r--r--usr.bin/rpcgen/rpc_svcout.c1015
1 files changed, 1015 insertions, 0 deletions
diff --git a/usr.bin/rpcgen/rpc_svcout.c b/usr.bin/rpcgen/rpc_svcout.c
new file mode 100644
index 000000000000..2c6849714d75
--- /dev/null
+++ b/usr.bin/rpcgen/rpc_svcout.c
@@ -0,0 +1,1015 @@
+/*
+ * 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.
+ *
+ * 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
+ */
+
+/*
+ * rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler
+ * Copyright (C) 1987, Sun Microsystems, Inc.
+ */
+#include <stdio.h>
+#include <string.h>
+#include "rpc_parse.h"
+#include "rpc_scan.h"
+#include "rpc_util.h"
+
+static char RQSTP[] = "rqstp";
+static char TRANSP[] = "transp";
+static char ARG[] = "argument";
+static char RESULT[] = "result";
+static char ROUTINE[] = "local";
+static char RETVAL[] = "retval";
+
+static char _errbuf[256]; /* For all messages */
+
+void internal_proctype( proc_list * );
+static void write_real_program( definition * );
+static void write_program(definition *, const char *);
+static void printerr(const char *, const char *);
+static void printif(const char *, const char *, const char *, const char *);
+static void write_inetmost(const char *);
+static void print_return(const char *);
+static void print_pmapunset(const char *);
+static void print_err_message(const char *);
+static void write_timeout_func( void );
+static void write_pm_most(const char *, int);
+static void write_rpc_svc_fg(const char *, const char *);
+static void open_log_file(const char *, const char *);
+static void write_msg_out( void );
+
+
+static void
+p_xdrfunc(const char *rname, const char *typename)
+{
+ f_print(fout, "\t\txdr_%s = (xdrproc_t) 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.
+ */
+void
+write_most(const char *infile, int netflag, int nomain)
+{
+ if (inetdflag || pmflag) {
+ const char *var_type;
+ var_type = (nomain? "extern" : "static");
+ f_print(fout, "%s int _rpcpmstart;", var_type);
+ f_print(fout, "\t\t/* Started by a port monitor ? */\n");
+ if (!tirpcflag || tirpc_socket) {
+ f_print(fout, "%s int _rpcfdtype;", var_type);
+ f_print(fout, "\n\t\t /* Whether Stream or \
+Datagram ? */\n");
+ }
+
+ if (timerflag) {
+ 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, "pthread_mutex_t _svcstate_lock;");
+ f_print(fout, "\t\t\t/* Mutex lock for variable _rpcsvcstate */\n");
+
+ }
+
+ }
+
+ write_svc_aux(nomain);
+ }
+ /* write out dispatcher and stubs */
+ write_programs((char *)NULL);
+
+ if (nomain)
+ return;
+
+ f_print(fout, "\nint\n");
+ f_print(fout, "main()\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");
+ if (pmflag) {
+ if (tirpc_socket) {
+ f_print(fout, "\tstruct sockaddr_storage saddr;\n");
+ f_print(fout, "\tsocklen_t asize = sizeof (saddr);\n\n");
+ } else
+ f_print(fout, "\tchar mname[FMNAMESZ + 1];\n\n");
+ }
+
+ if (mtflag & timerflag)
+ f_print(fout, "\tmutex_init(&_svcstate_lock, USYNC_THREAD, NULL);\n");
+ if (pmflag) {
+ write_pm_most(infile, netflag);
+ f_print(fout, "\telse {\n");
+ write_rpc_svc_fg(infile, "\t\t");
+ f_print(fout, "\t}\n");
+ } else
+ write_rpc_svc_fg(infile, "\t\t");
+
+ } 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);
+ if (tirpcflag) {
+ f_print(fout, "%s\t%s = svc_tli_create(RPC_ANYFD, ",
+ sp, TRANSP);
+ f_print(fout,"nconf, 0, RPC_MAXDATASIZE, RPC_MAXDATASIZE);\n");
+ } else {
+ f_print(fout,
+ "%s\t%s = svc_tli_create(RPC_ANYFD, nconf, 0, 0, 0);\n",
+ sp, 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,
+ "%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, closedown);\n");
+ f_print(fout, "\t\t(void) \
+alarm(_RPCSVC_CLOSEDOWN/2);\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 definition 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;
+
+ 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");
+ if (!mtflag)
+ internal_proctype(proc);
+ else
+ f_print(fout, "int");
+ f_print(fout, "\n_");
+ pvname(proc->proc_name, vp->vers_num);
+ f_print(fout, "(");
+ /* arg name */
+ if (proc->arg_num > 1)
+ fputs(proc->args.argname, fout);
+ 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);
+
+ f_print(fout, "{\n");
+ f_print(fout, "\treturn (");
+ pvname_svc(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(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);
+
+ f_print(fout, "(struct svc_req *%s, ", RQSTP);
+ f_print(fout, "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")) {
+ continue;
+ }
+ 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);
+
+ 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);
+ f_print(fout, "\n");
+
+ if (timerflag) {
+ if (mtflag)
+ f_print(fout, "\tpthread_mutex_lock(&_svcstate_lock);\n");
+
+ f_print(fout, "\t_rpcsvcstate = _SERVING;\n");
+ if (mtflag)
+ f_print(fout, "\tpthread_mutex_unlock(&_svcstate_lock);\n");
+ }
+
+ f_print(fout, "\tswitch (%s->rq_proc) {\n", RQSTP);
+ if (!nullproc(vp->procs)) {
+ f_print(fout, "\tcase NULLPROC:\n");
+ f_print(fout,
+ "\t\t(void) svc_sendreply(%s,\n\t\t\t"
+ "(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 (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);
+ if (newstyle) { /* new style: calls internal routine */
+ f_print(fout, "_");
+ }
+ if (!newstyle)
+ pvname_svc(proc->proc_name, vp->vers_num);
+ else
+ pvname(proc->proc_name, vp->vers_num);
+ f_print(fout, ";\n");
+ f_print(fout, "\t\tbreak;\n\n");
+ }
+ f_print(fout, "\tdefault:\n");
+ printerr("noproc", TRANSP);
+ print_return("\t\t");
+ f_print(fout, "\t}\n");
+
+ f_print(fout,
+ "\t(void) memset((char *)&%s, 0, sizeof (%s));\n",
+ ARG, ARG);
+ printif("getargs", TRANSP, "(caddr_t) &", ARG);
+ printerr("decode", TRANSP);
+ print_return("\t\t");
+ f_print(fout, "\t}\n");
+
+ if (!mtflag)
+ f_print(fout, "\t%s = (*%s)((char *)&%s, %s);\n",
+ RESULT, ROUTINE, ARG, RQSTP);
+ else
+ f_print(fout, "\t%s = (bool_t) (*%s)((char *)&%s, (void *)&%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");
+
+ printif("freeargs", TRANSP, "(caddr_t) &", ARG);
+ (void) sprintf(_errbuf, "unable to free arguments");
+ print_err_message("\t\t");
+ f_print(fout, "\t\texit(1);\n");
+ f_print(fout, "\t}\n");
+ /* print out free routine */
+ if (mtflag) {
+ f_print(fout,"\tif (!");
+ pvname(def->def_name, vp->vers_num);
+ f_print(fout,"_freeresult(%s, xdr_%s, (caddr_t) &%s))\n",
+ TRANSP, RESULT, RESULT);
+ (void) sprintf(_errbuf, "unable to free results");
+ print_err_message("\t\t");
+ f_print(fout, "\n");
+ }
+ print_return("\t");
+ f_print(fout, "}\n");
+ }
+}
+
+static void
+printerr(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, (char *)%s%s)) {\n",
+ proc, transp, arg, prefix, arg);
+}
+
+int
+nullproc(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, "\tsocklen_t asize = sizeof (saddr);\n");
+ f_print(fout, "\n");
+ f_print(fout,
+ "\tif (getsockname(0, (struct sockaddr *)&saddr, &asize) == 0) {\n");
+ f_print(fout, "\t\tsocklen_t 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 (mtflag)
+ f_print(fout, "%spthread_mutex_lock(&_svcstate_lock);\n", space);
+ f_print(fout, "%s_rpcsvcstate = _SERVED;\n", space);
+ if (mtflag)
+ f_print(fout, "%spthread_mutex_unlock(&_svcstate_lock);\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
+ */
+
+static void
+write_msg_out(void)
+{
+ f_print(fout, "\n");
+/*
+ * Avoid making _msgout() static -- it's useful to have it visible
+ * in the toplevel RPC server code.
+ */
+ f_print(fout, "static\n");
+ f_print(fout, "void _msgout(const char* msg)\n");
+ f_print(fout, "{\n");
+ f_print(fout, "#ifdef RPC_SVC_FG\n");
+ if (inetdflag || pmflag)
+ f_print(fout, "\tif (_rpcpmstart)\n");
+ f_print(fout, "\t\tsyslog(LOG_ERR, \"%%s\", msg);\n");
+ f_print(fout, "\telse\n");
+ f_print(fout,
+ "\t\t(void) fprintf(stderr, \"%%s\\n\", msg);\n");
+ f_print(fout, "#else\n");
+ f_print(fout, "\tsyslog(LOG_ERR, \"%%s\", msg);\n");
+ f_print(fout, "#endif\n");
+ f_print(fout, "}\n");
+}
+
+/*
+ * Write the timeout function
+ */
+static void
+write_timeout_func(void)
+{
+ if (!timerflag)
+ return;
+
+ f_print(fout, "\n");
+ f_print(fout, "static void\n");
+ f_print(fout, "closedown(int sig)\n");
+ f_print(fout, "{\n");
+ if (mtflag)
+ f_print(fout, "\tpthread_mutex_lock(&_svcstate_lock);\n");
+ f_print(fout, "\tif (_rpcsvcstate == _IDLE) {\n");
+ f_print(fout, "\t\textern fd_set svc_fdset;\n");
+ f_print(fout, "\t\tstatic int size;\n");
+ f_print(fout, "\t\tint i, openfd;\n");
+ if (tirpcflag && pmflag) {
+ f_print(fout, "\t\tstruct t_info tinfo;\n\n");
+ f_print(fout,
+ "\t\tif (!t_getinfo(0, &tinfo) && (tinfo.servtype == T_CLTS))\n");
+ } else {
+ f_print(fout, "\n\t\tif (_rpcfdtype == SOCK_DGRAM)\n");
+ }
+ f_print(fout, "\t\t\texit(0);\n");
+ f_print(fout, "\t\tif (size == 0) {\n");
+ if (tirpcflag) {
+ f_print(fout, "\t\t\tstruct rlimit rl;\n\n");
+ f_print(fout, "\t\t\trl.rlim_max = 0;\n");
+ f_print(fout, "\t\t\tif (getrlimit(RLIMIT_NOFILE, &rl) == -1)\n");
+ f_print(fout, "\t\t\t\treturn;\n");
+ f_print(fout, "\t\t\tif ((size = rl.rlim_max) == 0) {\n");
+
+ if (mtflag)
+ f_print(fout, "\t\t\t\tpthread_mutex_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, "\tpthread_mutex_unlock(&_svcstate_lock);\n");
+
+ f_print(fout, "\t(void) signal(SIGALRM, closedown);\n");
+ f_print(fout, "\t(void) alarm(_RPCSVC_CLOSEDOWN/2);\n");
+ f_print(fout, "}\n");
+
+}
+
+/*
+ * Write the most of port monitor support
+ */
+static void
+write_pm_most(const char *infile, int netflag)
+{
+ list *l;
+ definition *def;
+ version_list *vp;
+
+ if (tirpc_socket) {
+ f_print(fout,
+ "\tif (getsockname(0, (struct sockaddr *)&saddr, &asize) == 0) {\n");
+ f_print(fout, "\t\tsocklen_t ssize = sizeof (int);\n");
+ } else {
+ f_print(fout, "\tif (!ioctl(0, I_LOOK, mname) &&\n");
+ f_print(fout, "\t\t(!strcmp(mname, \"sockmod\") ||");
+ f_print(fout, " !strcmp(mname, \"timod\"))) {\n");
+ }
+ f_print(fout, "\t\tchar *netid;\n");
+ if (!netflag) { /* Not included by -n option */
+ f_print(fout, "\t\tstruct netconfig *nconf = NULL;\n");
+ f_print(fout, "\t\tSVCXPRT *%s;\n", TRANSP);
+ }
+ if (timerflag)
+ f_print(fout, "\t\tint pmclose;\n");
+/*
+ * Not necessary, defined in /usr/include/stdlib
+ * f_print(fout, "\t\textern char *getenv();\n");
+ */
+ f_print(fout, "\n");
+ if (tirpc_socket) {
+ f_print(fout, "\t\tif (saddr.ss_family != AF_INET &&\n");
+ f_print(fout, "\t\t saddr.ss_family != AF_INET6)\n");
+ f_print(fout, "\t\t\texit(1);\n");
+ f_print(fout, "\t\tif (getsockopt(0, SOL_SOCKET, SO_TYPE,\n");
+ f_print(fout, "\t\t\t\t(char *)&_rpcfdtype, &ssize) == -1)\n");
+ f_print(fout, "\t\t\texit(1);\n");
+ }
+ f_print(fout, "\t\t_rpcpmstart = 1;\n");
+ open_log_file(infile, "\t\t");
+ f_print(fout, "\n\t\tif ((netid = \
+getenv(\"NLSPROVIDER\")) == NULL) {\n");
+
+ if (timerflag) {
+ f_print(fout, "\t\t/* started from inetd */\n");
+ f_print(fout, "\t\t\tpmclose = 1;\n");
+ }
+ f_print(fout,
+ "\t\t} else {\n");
+ f_print(fout, "\t\t\tif ((nconf = getnetconfigent(netid)) == NULL)\n");
+ sprintf(_errbuf, "cannot get transport info");
+ print_err_message("\t\t\t\t");
+ if (timerflag) {
+ if (tirpc_socket)
+ f_print(fout, "\n\t\t\tpmclose = 1;\t/* XXX */\n");
+ else
+ f_print(fout,
+ "\n\t\t\tpmclose = (t_getstate(0) != T_DATAXFER);\n");
+ }
+ f_print(fout, "\t\t}\n");
+ /*
+ * A kludgy support for inetd services. Inetd only works with
+ * sockmod, and RPC works only with timod, hence all this jugglery
+ */
+ if (!tirpc_socket) {
+ f_print(fout, "\t\tif (strcmp(mname, \"sockmod\") == 0) {\n");
+ f_print(fout, "\t\t\tif (ioctl(0, I_POP, 0) || ");
+ f_print(fout, "ioctl(0, I_PUSH, \"timod\")) {\n");
+ sprintf(_errbuf, "could not get the right module");
+ print_err_message("\t\t\t\t");
+ f_print(fout, "\t\t\t\texit(1);\n");
+ f_print(fout, "\t\t\t}\n");
+ f_print(fout, "\t\t}\n");
+ }
+ if (tirpcflag) {
+ f_print(fout,
+ "\t\tif ((%s = svc_tli_create(0, nconf, NULL, \
+ RPC_MAXDATASIZE, RPC_MAXDATASIZE)) \
+ == NULL) {\n",
+ TRANSP);
+ } else {
+ f_print(fout,
+ "\t\tif ((%s = svc_tli_create(0, nconf, NULL, 0, 0)) \
+ == NULL) {\n",
+ TRANSP);
+ }
+ sprintf(_errbuf, "cannot create server handle");
+ print_err_message("\t\t\t");
+ f_print(fout, "\t\t\texit(1);\n");
+ f_print(fout, "\t\t}\n");
+ f_print(fout, "\t\tif (nconf)\n");
+ f_print(fout, "\t\t\tfreenetconfigent(nconf);\n");
+ for (l = defined; l != NULL; l = l->next) {
+ def = (definition *) l->val;
+ if (def->def_kind != DEF_PROGRAM) {
+ continue;
+ }
+ for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
+ f_print(fout,
+ "\t\tif (!svc_reg(%s, %s, %s, ",
+ TRANSP, def->def_name, vp->vers_name);
+ pvname(def->def_name, vp->vers_num);
+ f_print(fout, ", 0)) {\n");
+ (void) sprintf(_errbuf, "unable to register (%s, %s).",
+ def->def_name, vp->vers_name);
+ print_err_message("\t\t\t");
+ f_print(fout, "\t\t\texit(1);\n");
+ f_print(fout, "\t\t}\n");
+ }
+ }
+ if (timerflag) {
+ f_print(fout, "\t\tif (pmclose) {\n");
+ f_print(fout, "\t\t\t(void) signal(SIGALRM, closedown);\n");
+ f_print(fout, "\t\t\t(void) alarm(_RPCSVC_CLOSEDOWN/2);\n");
+ f_print(fout, "\t\t}\n");
+ }
+ f_print(fout, "\t\tsvc_run();\n");
+ f_print(fout, "\t\texit(1);\n");
+ f_print(fout, "\t\t/* NOTREACHED */\n");
+ f_print(fout, "\t}");
+}
+
+/*
+ * Support for backgrounding the server if self started.
+ */
+static void
+write_rpc_svc_fg(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, "%sif (getrlimit(RLIMIT_NOFILE, &rl) == -1) {\n",
+ sp);
+ f_print(fout, "%s\tperror(\"getrlimit\");\n", sp);
+ f_print(fout, "%s\texit(1);\n", sp);
+ f_print(fout, "%s}\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");
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-05 19:18:12 +0000