summaryrefslogtreecommitdiffstats
path: root/tools/rpcgen/rpc_svcout.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/rpcgen/rpc_svcout.c')
-rw-r--r--tools/rpcgen/rpc_svcout.c1093
1 files changed, 1093 insertions, 0 deletions
diff --git a/tools/rpcgen/rpc_svcout.c b/tools/rpcgen/rpc_svcout.c
new file mode 100644
index 0000000..4f12a81
--- /dev/null
+++ b/tools/rpcgen/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 <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 *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");
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-19 14:07:36 +0000