glibc/sunrpc/rpc_main.c
2012-03-09 22:46:12 +00:00

1458 lines
36 KiB
C

/*
* From @(#)rpc_main.c 1.30 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_main.c, Top level of the RPC protocol compiler.
*/
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <libintl.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include "rpc_parse.h"
#include "rpc_util.h"
#include "rpc_scan.h"
#include "proto.h"
#include "../version.h"
#define PACKAGE _libc_intl_domainname
#define EXTEND 1 /* alias for TRUE */
#define DONT_EXTEND 0 /* alias for FALSE */
struct commandline
{
int cflag; /* xdr C routines */
int hflag; /* header file */
int lflag; /* client side stubs */
int mflag; /* server side stubs */
int nflag; /* netid flag */
int sflag; /* server stubs for the given transport */
int tflag; /* dispatch Table file */
int Ssflag; /* produce server sample code */
int Scflag; /* produce client sample code */
int makefileflag; /* Generate a template Makefile */
const char *infile; /* input module name */
const char *outfile; /* output module name */
};
static const char *cmdname;
#define SVR4_CPP "/usr/ccs/lib/cpp"
#define SUNOS_CPP "/lib/cpp"
static const char *svcclosetime = "120";
static int cppDefined; /* explicit path for C preprocessor */
static const char *CPP = SUNOS_CPP;
static const char CPPFLAGS[] = "-C";
static char *pathbuf;
static int cpp_pid;
static const char *allv[] =
{
"rpcgen", "-s", "udp", "-s", "tcp"
};
static int allc = sizeof (allv) / sizeof (allv[0]);
static const char *allnv[] =
{
"rpcgen", "-s", "netpath",
};
static int allnc = sizeof (allnv) / sizeof (allnv[0]);
/*
* machinations for handling expanding argument list
*/
static void addarg (const char *); /* add another argument to the list */
static void putarg (int, const char *); /* put argument at specified location */
static void clear_args (void); /* clear argument list */
static void checkfiles (const char *, const char *);
/* check if out file already exists */
static void clear_args (void);
static char *extendfile (const char *file, const char *ext);
static void open_output (const char *infile, const char *outfile);
static void add_warning (void);
static void clear_args (void);
static void find_cpp (void);
static void open_input (const char *infile, const char *define);
static int check_nettype (const char *name, const char *list_to_check[]);
static void c_output (const char *infile, const char *define,
int extend, const char *outfile);
static void h_output (const char *infile, const char *define,
int extend, const char *outfile);
static void s_output (int argc, const char *argv[], const char *infile,
const char *define, int extend,
const char *outfile, int nomain, int netflag);
static void l_output (const char *infile, const char *define,
int extend, const char *outfile);
static void t_output (const char *infile, const char *define,
int extend, const char *outfile);
static void svc_output (const char *infile, const char *define,
int extend, const char *outfile);
static void clnt_output (const char *infile, const char *define,
int extend, const char *outfile);
static void mkfile_output (struct commandline *cmd);
static int do_registers (int argc, const char *argv[]);
static void addarg (const char *cp);
static void putarg (int whereto, const char *cp);
static void checkfiles (const char *infile, const char *outfile);
static int parseargs (int argc, const char *argv[], struct commandline *cmd);
static void usage (FILE *stream, int status) __attribute__ ((noreturn));
static void options_usage (FILE *stream, int status) __attribute__ ((noreturn));
static void print_version (void);
static void c_initialize (void);
static char *generate_guard (const char *pathname);
#define ARGLISTLEN 20
#define FIXEDARGS 2
static const char *arglist[ARGLISTLEN];
static int argcount = FIXEDARGS;
int nonfatalerrors; /* errors */
int inetdflag /* = 1 */ ; /* Support for inetd *//* is now the default */
int pmflag; /* Support for port monitors */
int logflag; /* Use syslog instead of fprintf for errors */
int tblflag; /* Support for dispatch table file */
int mtflag; /* Support for MT */
#define INLINE 3
/*length at which to start doing an inline */
int inlineflag = INLINE; /* length at which to start doing an inline. 3 = default
if 0, no xdr_inline code */
int indefinitewait; /* If started by port monitors, hang till it wants */
int exitnow; /* If started by port monitors, exit after the call */
int timerflag; /* TRUE if !indefinite && !exitnow */
int newstyle; /* newstyle of passing arguments (by value) */
int Cflag = 1; /* ANSI C syntax */
int CCflag; /* C++ files */
static int allfiles; /* generate all files */
int tirpcflag; /* generating code for tirpc, by default */
xdrfunc *xdrfunc_head; /* xdr function list */
xdrfunc *xdrfunc_tail; /* xdr function list */
int
main (int argc, const char *argv[])
{
struct commandline cmd;
(void) memset ((char *) &cmd, 0, sizeof (struct commandline));
clear_args ();
if (!parseargs (argc, argv, &cmd))
usage (stderr, 1);
if (cmd.cflag || cmd.hflag || cmd.lflag || cmd.tflag || cmd.sflag ||
cmd.mflag || cmd.nflag || cmd.Ssflag || cmd.Scflag)
{
checkfiles (cmd.infile, cmd.outfile);
}
else
checkfiles (cmd.infile, NULL);
if (cmd.cflag)
c_output (cmd.infile, "-DRPC_XDR", DONT_EXTEND, cmd.outfile);
else if (cmd.hflag)
h_output (cmd.infile, "-DRPC_HDR", DONT_EXTEND, cmd.outfile);
else if (cmd.lflag)
l_output (cmd.infile, "-DRPC_CLNT", DONT_EXTEND, cmd.outfile);
else if (cmd.sflag || cmd.mflag || (cmd.nflag))
s_output (argc, argv, cmd.infile, "-DRPC_SVC", DONT_EXTEND,
cmd.outfile, cmd.mflag, cmd.nflag);
else if (cmd.tflag)
t_output (cmd.infile, "-DRPC_TBL", DONT_EXTEND, cmd.outfile);
else if (cmd.Ssflag)
svc_output (cmd.infile, "-DRPC_SERVER", DONT_EXTEND, cmd.outfile);
else if (cmd.Scflag)
clnt_output (cmd.infile, "-DRPC_CLIENT", DONT_EXTEND, cmd.outfile);
else if (cmd.makefileflag)
mkfile_output (&cmd);
else
{
/* the rescans are required, since cpp may effect input */
c_output (cmd.infile, "-DRPC_XDR", EXTEND, "_xdr.c");
reinitialize ();
h_output (cmd.infile, "-DRPC_HDR", EXTEND, ".h");
reinitialize ();
l_output (cmd.infile, "-DRPC_CLNT", EXTEND, "_clnt.c");
reinitialize ();
if (inetdflag || !tirpcflag)
s_output (allc, allv, cmd.infile, "-DRPC_SVC", EXTEND,
"_svc.c", cmd.mflag, cmd.nflag);
else
s_output (allnc, allnv, cmd.infile, "-DRPC_SVC",
EXTEND, "_svc.c", cmd.mflag, cmd.nflag);
if (tblflag)
{
reinitialize ();
t_output (cmd.infile, "-DRPC_TBL", EXTEND, "_tbl.i");
}
if (allfiles)
{
reinitialize ();
svc_output (cmd.infile, "-DRPC_SERVER", EXTEND, "_server.c");
reinitialize ();
clnt_output (cmd.infile, "-DRPC_CLIENT", EXTEND, "_client.c");
}
if (allfiles || (cmd.makefileflag == 1))
{
reinitialize ();
mkfile_output (&cmd);
}
}
return nonfatalerrors;
}
/*
* add extension to filename
*/
static char *
extendfile (const char *file, const char *ext)
{
char *res;
const char *p;
res = alloc (strlen (file) + strlen (ext) + 1);
if (res == NULL)
abort ();
p = strrchr (file, '.');
if (p == NULL)
p = file + strlen (file);
strcpy (res, file);
strcpy (res + (p - file), ext);
return res;
}
/*
* Open output file with given extension
*/
static void
open_output (const char *infile, const char *outfile)
{
if (outfile == NULL)
{
fout = stdout;
return;
}
if (infile != NULL && streq (outfile, infile))
{
fprintf (stderr, _ ("%s: output would overwrite %s\n"), cmdname,
infile);
crash ();
}
fout = fopen (outfile, "w");
if (fout == NULL)
{
fprintf (stderr, _ ("%s: unable to open %s: %m\n"), cmdname, outfile);
crash ();
}
record_open (outfile);
}
/* Close the output file and check for write errors. */
static void
close_output (const char *outfile)
{
if (fclose (fout) == EOF)
{
fprintf (stderr, _("%s: while writing output %s: %m"), cmdname,
outfile ?: "<stdout>");
crash ();
}
}
static void
add_warning (void)
{
fprintf (fout, "/*\n");
fprintf (fout, " * Please do not edit this file.\n");
fprintf (fout, " * It was generated using rpcgen.\n");
fprintf (fout, " */\n\n");
}
/* clear list of arguments */
static void
clear_args (void)
{
int i;
for (i = FIXEDARGS; i < ARGLISTLEN; ++i)
arglist[i] = NULL;
argcount = FIXEDARGS;
}
/* make sure that a CPP exists */
static void
find_cpp (void)
{
struct stat buf;
if (stat (CPP, &buf) < 0)
{ /* /lib/cpp or explicit cpp does not exist */
if (cppDefined)
{
fprintf (stderr, _ ("cannot find C preprocessor: %s \n"), CPP);
crash ();
}
else
{ /* try the other one */
CPP = SVR4_CPP;
if (stat (CPP, &buf) < 0)
{ /* can't find any cpp */
fputs (_ ("cannot find any C preprocessor (cpp)\n"), stdout);
crash ();
}
}
}
}
/*
* Open input file with given define for C-preprocessor
*/
static void
open_input (const char *infile, const char *define)
{
int pd[2];
infilename = (infile == NULL) ? "<stdin>" : infile;
if (pipe (pd) != 0)
{
perror ("pipe");
exit (1);
}
cpp_pid = fork ();
switch (cpp_pid)
{
case 0:
find_cpp ();
putarg (0, CPP);
putarg (1, CPPFLAGS);
addarg (define);
if (infile)
addarg (infile);
addarg ((char *) NULL);
close (1);
dup2 (pd[1], 1);
close (pd[0]);
execv (arglist[0], (char **) arglist);
perror ("execv");
exit (1);
case -1:
perror ("fork");
exit (1);
}
close (pd[1]);
fin = fdopen (pd[0], "r");
if (fin == NULL)
{
fprintf (stderr, "%s: ", cmdname);
perror (infilename);
crash ();
}
}
/* Close the connection to the C-preprocessor and check for successfull
termination. */
static void
close_input (void)
{
int status;
fclose (fin);
/* Check the termination status. */
if (waitpid (cpp_pid, &status, 0) < 0)
{
perror ("waitpid");
crash ();
}
if (WIFSIGNALED (status) || WEXITSTATUS (status) != 0)
{
if (WIFSIGNALED (status))
fprintf (stderr, _("%s: C preprocessor failed with signal %d\n"),
cmdname, WTERMSIG (status));
else
fprintf (stderr, _("%s: C preprocessor failed with exit code %d\n"),
cmdname, WEXITSTATUS (status));
crash ();
}
}
/* valid tirpc nettypes */
static const char *valid_ti_nettypes[] =
{
"netpath",
"visible",
"circuit_v",
"datagram_v",
"circuit_n",
"datagram_n",
"udp",
"tcp",
"raw",
NULL
};
/* valid inetd nettypes */
static const char *valid_i_nettypes[] =
{
"udp",
"tcp",
NULL
};
static int
check_nettype (const char *name, const char *list_to_check[])
{
int i;
for (i = 0; list_to_check[i] != NULL; i++)
{
if (strcmp (name, list_to_check[i]) == 0)
{
return 1;
}
}
fprintf (stderr, _ ("illegal nettype: `%s'\n"), name);
return 0;
}
/*
* Compile into an XDR routine output file
*/
static void
c_output (const char *infile, const char *define, int extend,
const char *outfile)
{
definition *def;
char *include;
const char *outfilename;
long tell;
c_initialize ();
open_input (infile, define);
outfilename = extend ? extendfile (infile, outfile) : outfile;
open_output (infile, outfilename);
add_warning ();
if (infile && (include = extendfile (infile, ".h")))
{
fprintf (fout, "#include \"%s\"\n", include);
free (include);
/* .h file already contains rpc/rpc.h */
}
else
fprintf (fout, "#include <rpc/rpc.h>\n");
tell = ftell (fout);
while ((def = get_definition ()) != NULL)
emit (def);
if (extend && tell == ftell (fout))
unlink (outfilename);
close_input ();
close_output (outfilename);
}
void
c_initialize (void)
{
/* add all the starting basic types */
add_type (1, "int");
add_type (1, "long");
add_type (1, "short");
add_type (1, "bool");
add_type (1, "u_int");
add_type (1, "u_long");
add_type (1, "u_short");
}
char rpcgen_table_dcl[] = "struct rpcgen_table {\n\
char *(*proc)();\n\
xdrproc_t xdr_arg;\n\
unsigned len_arg;\n\
xdrproc_t xdr_res;\n\
unsigned len_res;\n\
};\n";
static char *
generate_guard (const char *pathname)
{
const char *filename;
char *guard, *tmp;
filename = strrchr (pathname, '/'); /* find last component */
filename = ((filename == NULL) ? pathname : filename + 1);
guard = extendfile (filename, "_H_RPCGEN");
/* convert to upper case */
tmp = guard;
while (*tmp)
{
if (islower (*tmp))
*tmp = toupper (*tmp);
tmp++;
}
return guard;
}
/*
* Compile into an XDR header file
*/
static void
h_output (const char *infile, const char *define, int extend,
const char *outfile)
{
xdrfunc *xdrfuncp;
definition *def;
const char *ifilename;
const char *outfilename;
long tell;
char *guard;
list *l;
open_input (infile, define);
outfilename = extend ? extendfile (infile, outfile) : outfile;
open_output (infile, outfilename);
add_warning ();
ifilename = (infile == NULL) ? "STDIN" : infile;
guard = generate_guard (outfilename ? outfilename : ifilename);
fprintf (fout, "#ifndef _%s\n#define _%s\n\n", guard,
guard);
fprintf (fout, "#include <rpc/rpc.h>\n\n");
if (mtflag)
{
fprintf (fout, "#include <pthread.h>\n");
}
/* put the C++ support */
if (Cflag && !CCflag)
{
fprintf (fout, "\n#ifdef __cplusplus\n");
fprintf (fout, "extern \"C\" {\n");
fprintf (fout, "#endif\n\n");
}
tell = ftell (fout);
/* print data definitions */
while ((def = get_definition ()) != NULL)
{
print_datadef (def);
}
/* print function declarations.
Do this after data definitions because they might be used as
arguments for functions */
for (l = defined; l != NULL; l = l->next)
{
print_funcdef (l->val);
}
/* Now print all xdr func declarations */
if (xdrfunc_head != NULL)
{
fprintf (fout, "\n/* the xdr functions */\n");
if (CCflag)
{
fprintf (fout, "\n#ifdef __cplusplus\n");
fprintf (fout, "extern \"C\" {\n");
fprintf (fout, "#endif\n");
}
if (!Cflag)
{
xdrfuncp = xdrfunc_head;
while (xdrfuncp != NULL)
{
print_xdr_func_def (xdrfuncp->name,
xdrfuncp->pointerp, 2);
xdrfuncp = xdrfuncp->next;
}
}
else
{
int i;
for (i = 1; i < 3; ++i)
{
if (i == 1)
fprintf (fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
else
fprintf (fout, "\n#else /* K&R C */\n");
xdrfuncp = xdrfunc_head;
while (xdrfuncp != NULL)
{
print_xdr_func_def (xdrfuncp->name,
xdrfuncp->pointerp, i);
xdrfuncp = xdrfuncp->next;
}
}
fprintf (fout, "\n#endif /* K&R C */\n");
}
}
if (extend && tell == ftell (fout))
{
unlink (outfilename);
}
else if (tblflag)
{
fprintf (fout, rpcgen_table_dcl);
}
if (Cflag)
{
fprintf (fout, "\n#ifdef __cplusplus\n");
fprintf (fout, "}\n");
fprintf (fout, "#endif\n");
}
fprintf (fout, "\n#endif /* !_%s */\n", guard);
free (guard);
close_input ();
close_output (outfilename);
}
/*
* Compile into an RPC service
*/
static void
s_output (int argc, const char *argv[], const char *infile, const char *define,
int extend, const char *outfile, int nomain, int netflag)
{
char *include;
definition *def;
int foundprogram = 0;
const char *outfilename;
open_input (infile, define);
outfilename = extend ? extendfile (infile, outfile) : outfile;
open_output (infile, outfilename);
add_warning ();
if (infile && (include = extendfile (infile, ".h")))
{
fprintf (fout, "#include \"%s\"\n", include);
free (include);
}
else
fprintf (fout, "#include <rpc/rpc.h>\n");
fprintf (fout, "#include <stdio.h>\n");
fprintf (fout, "#include <stdlib.h>\n");
fprintf (fout, "#include <rpc/pmap_clnt.h>\n");
if (Cflag)
fprintf (fout, "#include <string.h>\n");
if (strcmp (svcclosetime, "-1") == 0)
indefinitewait = 1;
else if (strcmp (svcclosetime, "0") == 0)
exitnow = 1;
else if (inetdflag || pmflag)
{
fprintf (fout, "#include <signal.h>\n");
timerflag = 1;
}
if (!tirpcflag && inetdflag)
fprintf (fout, "#include <sys/ioctl.h> /* ioctl, TIOCNOTTY */\n");
if (Cflag && (inetdflag || pmflag))
{
fprintf (fout, "#include <sys/types.h> /* open */\n");
fprintf (fout, "#include <sys/stat.h> /* open */\n");
fprintf (fout, "#include <fcntl.h> /* open */\n");
fprintf (fout, "#include <unistd.h> /* getdtablesize */\n");
}
if (tirpcflag && !(Cflag && (inetdflag || pmflag)))
fprintf (fout, "#include <sys/types.h>\n");
fprintf (fout, "#include <memory.h>\n");
if (inetdflag || !tirpcflag)
{
fprintf (fout, "#include <sys/socket.h>\n");
fprintf (fout, "#include <netinet/in.h>\n");
}
if ((netflag || pmflag) && tirpcflag && !nomain)
{
fprintf (fout, "#include <netconfig.h>\n");
}
if ( /*timerflag && */ tirpcflag)
fprintf (fout, "#include <sys/resource.h> /* rlimit */\n");
if (logflag || inetdflag || pmflag)
{
fprintf (fout, "#include <syslog.h>\n");
}
/* for ANSI-C */
if (Cflag)
fprintf (fout, "\n#ifndef SIG_PF\n#define SIG_PF void(*)(int)\n#endif\n");
if (timerflag)
fprintf (fout, "\n#define _RPCSVC_CLOSEDOWN %s\n", svcclosetime);
while ((def = get_definition ()) != NULL)
{
foundprogram |= (def->def_kind == DEF_PROGRAM);
}
if (extend && !foundprogram)
{
unlink (outfilename);
return;
}
write_most (infile, netflag, nomain);
if (!nomain)
{
if (!do_registers (argc, argv))
{
if (outfilename)
unlink (outfilename);
usage (stderr, 1);
}
write_rest ();
}
close_input ();
close_output (outfilename);
}
/*
* generate client side stubs
*/
static void
l_output (const char *infile, const char *define, int extend,
const char *outfile)
{
char *include;
definition *def;
int foundprogram = 0;
const char *outfilename;
open_input (infile, define);
outfilename = extend ? extendfile (infile, outfile) : outfile;
open_output (infile, outfilename);
add_warning ();
if (Cflag)
fprintf (fout, "#include <memory.h> /* for memset */\n");
if (infile && (include = extendfile (infile, ".h")))
{
fprintf (fout, "#include \"%s\"\n", include);
free (include);
}
else
fprintf (fout, "#include <rpc/rpc.h>\n");
while ((def = get_definition ()) != NULL)
{
foundprogram |= (def->def_kind == DEF_PROGRAM);
}
if (extend && !foundprogram)
{
unlink (outfilename);
return;
}
write_stubs ();
close_input ();
close_output (outfilename);
}
/*
* generate the dispatch table
*/
static void
t_output (const char *infile, const char *define, int extend,
const char *outfile)
{
definition *def;
int foundprogram = 0;
const char *outfilename;
open_input (infile, define);
outfilename = extend ? extendfile (infile, outfile) : outfile;
open_output (infile, outfilename);
add_warning ();
while ((def = get_definition ()) != NULL)
{
foundprogram |= (def->def_kind == DEF_PROGRAM);
}
if (extend && !foundprogram)
{
unlink (outfilename);
return;
}
write_tables ();
close_input ();
close_output (outfilename);
}
/* sample routine for the server template */
static void
svc_output (const char *infile, const char *define, int extend,
const char *outfile)
{
definition *def;
char *include;
const char *outfilename;
long tell;
open_input (infile, define);
outfilename = extend ? extendfile (infile, outfile) : outfile;
checkfiles (infile, outfilename);
/*check if outfile already exists.
if so, print an error message and exit */
open_output (infile, outfilename);
add_sample_msg ();
if (infile && (include = extendfile (infile, ".h")))
{
fprintf (fout, "#include \"%s\"\n", include);
free (include);
}
else
fprintf (fout, "#include <rpc/rpc.h>\n");
tell = ftell (fout);
while ((def = get_definition ()) != NULL)
{
write_sample_svc (def);
}
if (extend && tell == ftell (fout))
{
unlink (outfilename);
}
close_input ();
close_output (outfilename);
}
/* sample main routine for client */
static void
clnt_output (const char *infile, const char *define, int extend,
const char *outfile)
{
definition *def;
char *include;
const char *outfilename;
long tell;
int has_program = 0;
open_input (infile, define);
outfilename = extend ? extendfile (infile, outfile) : outfile;
checkfiles (infile, outfilename);
/*check if outfile already exists.
if so, print an error message and exit */
open_output (infile, outfilename);
add_sample_msg ();
if (infile && (include = extendfile (infile, ".h")))
{
fprintf (fout, "#include \"%s\"\n", include);
free (include);
}
else
fprintf (fout, "#include <rpc/rpc.h>\n");
tell = ftell (fout);
while ((def = get_definition ()) != NULL)
{
has_program += write_sample_clnt (def);
}
if (has_program)
write_sample_clnt_main ();
if (extend && tell == ftell (fout))
{
unlink (outfilename);
}
close_input ();
close_output (outfilename);
}
static const char space[] = " ";
static char *
file_name (const char *file, const char *ext)
{
char *temp;
temp = extendfile (file, ext);
if (access (temp, F_OK) != -1)
return (temp);
free (temp);
return (char *) space;
}
static void
mkfile_output (struct commandline *cmd)
{
char *mkfilename;
char *clientname, *clntname, *xdrname, *hdrname;
char *servername, *svcname, *servprogname, *clntprogname;
svcname = file_name (cmd->infile, "_svc.c");
clntname = file_name (cmd->infile, "_clnt.c");
xdrname = file_name (cmd->infile, "_xdr.c");
hdrname = file_name (cmd->infile, ".h");
if (allfiles)
{
servername = extendfile (cmd->infile, "_server.c");
clientname = extendfile (cmd->infile, "_client.c");
}
else
{
servername = (char *) space;
clientname = (char *) space;
}
servprogname = extendfile (cmd->infile, "_server");
clntprogname = extendfile (cmd->infile, "_client");
if (allfiles)
{
char *cp, *temp;
mkfilename = alloc (strlen ("Makefile.") + strlen (cmd->infile) + 1);
if (mkfilename == NULL)
abort ();
temp = rindex (cmd->infile, '.');
cp = stpcpy (mkfilename, "Makefile.");
if (temp != NULL)
*((char *) stpncpy (cp, cmd->infile, temp - cmd->infile)) = '\0';
else
stpcpy (cp, cmd->infile);
}
else
mkfilename = (char *) cmd->outfile;
checkfiles (NULL, mkfilename);
open_output (NULL, mkfilename);
fprintf (fout, "\n# This is a template Makefile generated by rpcgen\n");
f_print (fout, "\n# Parameters\n\n");
f_print (fout, "CLIENT = %s\nSERVER = %s\n\n", clntprogname, servprogname);
f_print (fout, "SOURCES_CLNT.c = \nSOURCES_CLNT.h = \n");
f_print (fout, "SOURCES_SVC.c = \nSOURCES_SVC.h = \n");
f_print (fout, "SOURCES.x = %s\n\n", cmd->infile);
f_print (fout, "TARGETS_SVC.c = %s %s %s \n",
svcname, servername, xdrname);
f_print (fout, "TARGETS_CLNT.c = %s %s %s \n",
clntname, clientname, xdrname);
f_print (fout, "TARGETS = %s %s %s %s %s %s\n\n",
hdrname, xdrname, clntname,
svcname, clientname, servername);
f_print (fout, "OBJECTS_CLNT = $(SOURCES_CLNT.c:%%.c=%%.o) \
$(TARGETS_CLNT.c:%%.c=%%.o)");
f_print (fout, "\nOBJECTS_SVC = $(SOURCES_SVC.c:%%.c=%%.o) \
$(TARGETS_SVC.c:%%.c=%%.o)");
f_print (fout, "\n# Compiler flags \n");
if (mtflag)
fprintf (fout, "\nCPPFLAGS += -D_REENTRANT\nCFLAGS += -g \nLDLIBS \
+= -lnsl -lpthread \n ");
else
f_print (fout, "\nCFLAGS += -g \nLDLIBS += -lnsl\n");
f_print (fout, "RPCGENFLAGS = \n");
f_print (fout, "\n# Targets \n\n");
f_print (fout, "all : $(CLIENT) $(SERVER)\n\n");
f_print (fout, "$(TARGETS) : $(SOURCES.x) \n");
f_print (fout, "\trpcgen $(RPCGENFLAGS) $(SOURCES.x)\n\n");
f_print (fout, "$(OBJECTS_CLNT) : $(SOURCES_CLNT.c) $(SOURCES_CLNT.h) \
$(TARGETS_CLNT.c) \n\n");
f_print (fout, "$(OBJECTS_SVC) : $(SOURCES_SVC.c) $(SOURCES_SVC.h) \
$(TARGETS_SVC.c) \n\n");
f_print (fout, "$(CLIENT) : $(OBJECTS_CLNT) \n");
f_print (fout, "\t$(LINK.c) -o $(CLIENT) $(OBJECTS_CLNT) \
$(LDLIBS) \n\n");
f_print (fout, "$(SERVER) : $(OBJECTS_SVC) \n");
f_print (fout, "\t$(LINK.c) -o $(SERVER) $(OBJECTS_SVC) $(LDLIBS)\n\n ");
f_print (fout, "clean:\n\t $(RM) core $(TARGETS) $(OBJECTS_CLNT) \
$(OBJECTS_SVC) $(CLIENT) $(SERVER)\n\n");
close_output (mkfilename);
free (clntprogname);
free (servprogname);
if (servername != space)
free (servername);
if (clientname != space)
free (clientname);
if (mkfilename != (char *) cmd->outfile)
free (mkfilename);
if (svcname != space)
free (svcname);
if (clntname != space)
free (clntname);
if (xdrname != space)
free (xdrname);
if (hdrname != space)
free (hdrname);
}
/*
* Perform registrations for service output
* Return 0 if failed; 1 otherwise.
*/
static int
do_registers (int argc, const char *argv[])
{
int i;
if (inetdflag || !tirpcflag)
{
for (i = 1; i < argc; i++)
{
if (streq (argv[i], "-s"))
{
if (!check_nettype (argv[i + 1], valid_i_nettypes))
return 0;
write_inetd_register (argv[i + 1]);
i++;
}
}
}
else
{
for (i = 1; i < argc; i++)
if (streq (argv[i], "-s"))
{
if (!check_nettype (argv[i + 1], valid_ti_nettypes))
return 0;
write_nettype_register (argv[i + 1]);
i++;
}
else if (streq (argv[i], "-n"))
{
write_netid_register (argv[i + 1]);
i++;
}
}
return 1;
}
/*
* Add another argument to the arg list
*/
static void
addarg (const char *cp)
{
if (argcount >= ARGLISTLEN)
{
fprintf (stderr, _("rpcgen: too many defines\n"));
crash ();
/*NOTREACHED */
}
arglist[argcount++] = cp;
}
static void
putarg (int whereto, const char *cp)
{
if (whereto >= ARGLISTLEN)
{
fprintf (stderr, _("rpcgen: arglist coding error\n"));
crash ();
/*NOTREACHED */
}
arglist[whereto] = cp;
}
/*
* if input file is stdin and an output file is specified then complain
* if the file already exists. Otherwise the file may get overwritten
* If input file does not exist, exit with an error
*/
static void
checkfiles (const char *infile, const char *outfile)
{
struct stat buf;
if (infile) /* infile ! = NULL */
if (stat (infile, &buf) < 0)
{
perror (infile);
crash ();
}
if (outfile)
{
if (stat (outfile, &buf) < 0)
return; /* file does not exist */
else
{
fprintf (stderr,
/* TRANS: the file will not be removed; this is an
TRANS: informative message. */
_("file `%s' already exists and may be overwritten\n"),
outfile);
crash ();
}
}
}
/*
* Parse command line arguments
*/
static int
parseargs (int argc, const char *argv[], struct commandline *cmd)
{
int i;
int j;
int c;
char flag[(1 << 8 * sizeof (char))];
int nflags;
cmdname = argv[0];
cmd->infile = cmd->outfile = NULL;
if (argc < 2)
{
return (0);
}
allfiles = 0;
flag['c'] = 0;
flag['h'] = 0;
flag['l'] = 0;
flag['m'] = 0;
flag['o'] = 0;
flag['s'] = 0;
flag['n'] = 0;
flag['t'] = 0;
flag['S'] = 0;
flag['C'] = 0;
flag['M'] = 0;
for (i = 1; i < argc; i++)
{
if (argv[i][0] != '-')
{
if (cmd->infile)
{
fprintf (stderr,
_("Cannot specify more than one input file!\n"));
return 0;
}
cmd->infile = argv[i];
}
else if (strcmp (argv[i], "--help") == 0)
usage (stdout, 0);
else if (strcmp (argv[i], "--version") == 0)
print_version ();
else
{
for (j = 1; argv[i][j] != 0; j++)
{
c = argv[i][j];
switch (c)
{
case 'a':
allfiles = 1;
break;
case 'c':
case 'h':
case 'l':
case 'm':
case 't':
if (flag[c])
return 0;
flag[c] = 1;
break;
case 'S':
/* sample flag: Ss or Sc.
Ss means set flag['S'];
Sc means set flag['C'];
Sm means set flag['M']; */
c = argv[i][++j]; /* get next char */
if (c == 's')
c = 'S';
else if (c == 'c')
c = 'C';
else if (c == 'm')
c = 'M';
else
return 0;
if (flag[c])
return 0;
flag[c] = 1;
break;
case 'C': /* ANSI C syntax */
Cflag = 1;
break;
case 'k': /* K&R C syntax */
Cflag = 0;
break;
case 'b': /* turn TIRPC flag off for
generating backward compatible
*/
tirpcflag = 0;
break;
case '5': /* turn TIRPC flag on for
generating SysVr4 compatible
*/
tirpcflag = 1;
break;
case 'I':
inetdflag = 1;
break;
case 'N':
newstyle = 1;
break;
case 'L':
logflag = 1;
break;
case 'K':
if (++i == argc)
{
return (0);
}
svcclosetime = argv[i];
goto nextarg;
case 'T':
tblflag = 1;
break;
case 'M':
mtflag = 1;
break;
case 'i':
if (++i == argc)
{
return (0);
}
inlineflag = atoi (argv[i]);
goto nextarg;
case 'n':
case 'o':
case 's':
if (argv[i][j - 1] != '-' ||
argv[i][j + 1] != 0)
{
return (0);
}
flag[c] = 1;
if (++i == argc)
{
return (0);
}
if (c == 's')
{
if (!streq (argv[i], "udp") &&
!streq (argv[i], "tcp"))
return 0;
}
else if (c == 'o')
{
if (cmd->outfile)
return 0;
cmd->outfile = argv[i];
}
goto nextarg;
case 'D':
if (argv[i][j - 1] != '-')
return 0;
addarg (argv[i]);
goto nextarg;
case 'Y':
if (++i == argc)
return 0;
{
size_t len = strlen (argv[i]);
pathbuf = malloc (len + 5);
if (pathbuf == NULL)
{
perror (cmdname);
crash ();
}
stpcpy (stpcpy (pathbuf,
argv[i]),
"/cpp");
CPP = pathbuf;
cppDefined = 1;
goto nextarg;
}
default:
return 0;
}
}
nextarg:
;
}
}
cmd->cflag = flag['c'];
cmd->hflag = flag['h'];
cmd->lflag = flag['l'];
cmd->mflag = flag['m'];
cmd->nflag = flag['n'];
cmd->sflag = flag['s'];
cmd->tflag = flag['t'];
cmd->Ssflag = flag['S'];
cmd->Scflag = flag['C'];
cmd->makefileflag = flag['M'];
#ifndef _RPC_THREAD_SAFE_
if (mtflag || newstyle)
{
/* glibc doesn't support these flags. */
f_print (stderr,
_("This implementation doesn't support newstyle or MT-safe code!\n"));
return (0);
}
#endif
if (tirpcflag)
{
pmflag = inetdflag ? 0 : 1; /* pmflag or inetdflag is always TRUE */
if ((inetdflag && cmd->nflag))
{ /* netid not allowed with inetdflag */
fprintf (stderr, _("Cannot use netid flag with inetd flag!\n"));
return 0;
}
}
else
{ /* 4.1 mode */
pmflag = 0; /* set pmflag only in tirpcmode */
if (cmd->nflag)
{ /* netid needs TIRPC */
f_print (stderr, _("Cannot use netid flag without TIRPC!\n"));
return (0);
}
}
if (newstyle && (tblflag || cmd->tflag))
{
f_print (stderr, _("Cannot use table flags with newstyle!\n"));
return (0);
}
/* check no conflicts with file generation flags */
nflags = cmd->cflag + cmd->hflag + cmd->lflag + cmd->mflag +
cmd->sflag + cmd->nflag + cmd->tflag + cmd->Ssflag + cmd->Scflag;
if (nflags == 0)
{
if (cmd->outfile != NULL || cmd->infile == NULL)
{
return (0);
}
}
else if (cmd->infile == NULL &&
(cmd->Ssflag || cmd->Scflag || cmd->makefileflag))
{
fprintf (stderr,
_("\"infile\" is required for template generation flags.\n"));
return 0;
}
if (nflags > 1)
{
fprintf (stderr, _("Cannot have more than one file generation flag!\n"));
return 0;
}
return 1;
}
static void
usage (FILE *stream, int status)
{
fprintf (stream, _("usage: %s infile\n"), cmdname);
fprintf (stream, _("\t%s [-abkCLNTM][-Dname[=value]] [-i size] \
[-I [-K seconds]] [-Y path] infile\n"), cmdname);
fprintf (stream, _("\t%s [-c | -h | -l | -m | -t | -Sc | -Ss | -Sm] \
[-o outfile] [infile]\n"), cmdname);
fprintf (stream, _("\t%s [-s nettype]* [-o outfile] [infile]\n"), cmdname);
fprintf (stream, _("\t%s [-n netid]* [-o outfile] [infile]\n"), cmdname);
options_usage (stream, status);
exit (status);
}
static void
options_usage (FILE *stream, int status)
{
f_print (stream, _("options:\n"));
f_print (stream, _("-a\t\tgenerate all files, including samples\n"));
f_print (stream, _("-b\t\tbackward compatibility mode (generates code for SunOS 4.1)\n"));
f_print (stream, _("-c\t\tgenerate XDR routines\n"));
f_print (stream, _("-C\t\tANSI C mode\n"));
f_print (stream, _("-Dname[=value]\tdefine a symbol (same as #define)\n"));
f_print (stream, _("-h\t\tgenerate header file\n"));
f_print (stream, _("-i size\t\tsize at which to start generating inline code\n"));
f_print (stream, _("-I\t\tgenerate code for inetd support in server (for SunOS 4.1)\n"));
f_print (stream, _("-K seconds\tserver exits after K seconds of inactivity\n"));
f_print (stream, _("-l\t\tgenerate client side stubs\n"));
f_print (stream, _("-L\t\tserver errors will be printed to syslog\n"));
f_print (stream, _("-m\t\tgenerate server side stubs\n"));
f_print (stream, _("-M\t\tgenerate MT-safe code\n"));
f_print (stream, _("-n netid\tgenerate server code that supports named netid\n"));
f_print (stream, _("-N\t\tsupports multiple arguments and call-by-value\n"));
f_print (stream, _("-o outfile\tname of the output file\n"));
f_print (stream, _("-s nettype\tgenerate server code that supports named nettype\n"));
f_print (stream, _("-Sc\t\tgenerate sample client code that uses remote procedures\n"));
f_print (stream, _("-Ss\t\tgenerate sample server code that defines remote procedures\n"));
f_print (stream, _("-Sm \t\tgenerate makefile template \n"));
f_print (stream, _("-t\t\tgenerate RPC dispatch table\n"));
f_print (stream, _("-T\t\tgenerate code to support RPC dispatch tables\n"));
f_print (stream, _("-Y path\t\tdirectory name to find C preprocessor (cpp)\n"));
f_print (stream, "\n%s", _("\
For bug reporting instructions, please see:\n\
<http://www.gnu.org/software/libc/bugs.html>.\n"));
exit (status);
}
static void
print_version (void)
{
printf ("rpcgen (GNU %s) %s\n", PACKAGE, VERSION);
exit (0);
}