diff options
Diffstat (limited to 'package/libtirpc/src/rpcgen/rpc_main.c')
| -rw-r--r-- | package/libtirpc/src/rpcgen/rpc_main.c | 1067 |
1 files changed, 1067 insertions, 0 deletions
diff --git a/package/libtirpc/src/rpcgen/rpc_main.c b/package/libtirpc/src/rpcgen/rpc_main.c new file mode 100644 index 000000000..28aa60c9e --- /dev/null +++ b/package/libtirpc/src/rpcgen/rpc_main.c @@ -0,0 +1,1067 @@ +/* + * Copyright (c) 2009, Sun Microsystems, Inc. + * All rights reserved. + * + * 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 Sun Microsystems, 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. + */ + +#if 0 +static char sccsid[] = "@(#)rpc_main.c 1.30 89/03/30 (C) 1987 SMI"; +#endif + +/* + * rpc_main.c, Top level of the RPC protocol compiler. + */ + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/file.h> +#include <sys/stat.h> +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <unistd.h> +#include <ctype.h> +#include <errno.h> +#include "rpc_parse.h" +#include "rpc_util.h" +#include "rpc_scan.h" + +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 */ + char *infile; /* input module name */ + char *outfile; /* output module name */ +}; + +static char * extendfile(char *file, char *ext); +static void open_output(char *infile, char *outfile); +static void add_warning(void); +static void clear_args(void); +static void open_input(char *infile, char *define); +static int check_nettype(char *name, char **list_to_check); +static void c_output(char *infile, char *define, int extend, char *outfile); +static void c_initialize(void); +static char * generate_guard(char *pathname); +static void h_output(char *infile, char *define, int extend, char *outfile); +static void s_output(int argc, char **argv, char *infile, + char *define, int extend, char *outfile, + int nomain, int netflag); +static void l_output(char *infile, char *define, int extend, char *outfile); +static void t_output(char *infile, char *define, int extend, char *outfile); +static void svc_output(char *, char *, int, char *); +static void clnt_output(char *, char *, int, char *); +static int do_registers(int argc, char **argv); +static void addarg(char *cp); +static void putarg(int where, char *cp); +static void checkfiles(char *infile, char *outfile); +static int parseargs(int argc, char **argv, struct commandline *cmd); +static void usage(void); +static void options_usage(void); + +/* +extern void write_sample_svc(); +int write_sample_clnt(); +void write_sample_clnt_main(); + +static svc_output(); + */ + +#define EXTEND 1 /* alias for TRUE */ +#define DONT_EXTEND 0 /* alias for FALSE */ + +#define SVR4_CPP "/usr/ccs/lib/cpp" +#define SUNOS_CPP "/lib/cpp" +static int cppDefined = 0; /* explicit path for C preprocessor */ + + +static char *cmdname; + +static char *svcclosetime = "120"; +static char *CPP = SVR4_CPP; +static char CPPFLAGS[] = "-C"; +static char pathbuf[MAXPATHLEN + 1]; +static char *allv[] = { + "rpcgen", "-s", "udp", "-s", "tcp", +}; +static int allc = sizeof(allv)/sizeof(allv[0]); +static char *allnv[] = { + "rpcgen", "-s", "netpath", +}; +static int allnc = sizeof(allnv)/sizeof(allnv[0]); + +/* + * machinations for handling expanding argument list + */ +#if 0 +static void addarg(); /* add another argument to the list */ +static void putarg(); /* put argument at specified location */ +static void clear_args(); /* clear argument list */ +static void checkfiles(); /* check if out file already exists */ +#endif + + + +#define ARGLISTLEN 20 +#define FIXEDARGS 2 + +static 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 */ + +/* length at which to start doing an inline */ +#define INLINE 3 + +int Inline = 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 = 0 ; /* ANSI C syntax */ +static int allfiles; /* generate all files */ +#ifdef linux +int tirpcflag = 0; /* no tirpc by default */ +#else +int tirpcflag = 1; /* generating code for tirpc, by default */ +#endif + +int +main(int argc, char **argv) +{ + struct commandline cmd; + + (void) memset((char *) &cmd, 0, sizeof(struct commandline)); + clear_args(); + if (!parseargs(argc, argv, &cmd)) + usage(); + + 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 { + /* 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"); + } + if (allfiles) { + reinitialize(); + clnt_output(cmd.infile, "-DRPC_CLIENT", EXTEND, "_client.c"); + } + } + exit(nonfatalerrors); + /* NOTREACHED */ +} + +/* + * add extension to filename + */ +static char * +extendfile(char *file, char *ext) +{ + char *res; + char *p; + + res = alloc(strlen(file) + strlen(ext) + 1); + if (res == NULL) { + abort(); + } + p = strrchr(file, '.'); + if (p == NULL) { + p = file + strlen(file); + } + (void) strcpy(res, file); + (void) strcpy(res + (p - file), ext); + return (res); +} + +/* + * Open output file with given extension + */ +static void +open_output(char *infile, char *outfile) +{ + + if (outfile == NULL) { + fout = stdout; + return; + } + + if (infile != NULL && streq(outfile, infile)) { + f_print(stderr, "%s: output would overwrite %s\n", cmdname, + infile); + crash(); + } + fout = fopen(outfile, "w"); + if (fout == NULL) { + f_print(stderr, "%s: unable to open ", cmdname); + perror(outfile); + crash(); + } + record_open(outfile); + +} + +static void +add_warning(void) +{ + f_print(fout, "/*\n"); + f_print(fout, " * Please do not edit this file.\n"); + f_print(fout, " * It was generated using rpcgen.\n"); + f_print(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; +} + +/* + * Open input file with given define for C-preprocessor + */ +static void +open_input(char *infile, char *define) +{ + int pd[2]; + + infilename = (infile == NULL) ? "<stdin>" : infile; + (void) pipe(pd); + switch (fork()) { + case 0: + putarg(0, "cpp"); + putarg(1, CPPFLAGS); + addarg(define); + addarg(infile); + addarg((char *)NULL); + (void) close(1); + (void) dup2(pd[1], 1); + (void) close(pd[0]); + if (cppDefined) + execv(CPP, arglist); + else { + execvp("cpp", arglist); + if (errno == ENOENT) + execvp(SVR4_CPP, arglist); + if (errno == ENOENT) + execvp(SUNOS_CPP, arglist); + } + perror("execv"); + exit(1); + case -1: + perror("fork"); + exit(1); + } + (void) close(pd[1]); + fin = fdopen(pd[0], "r"); + if (fin == NULL) { + f_print(stderr, "%s: ", cmdname); + perror(infilename); + crash(); + } +} + +/* valid tirpc nettypes */ +static char* valid_ti_nettypes[] = +{ + "netpath", + "visible", + "circuit_v", + "datagram_v", + "circuit_n", + "datagram_n", + "udp", + "tcp", + "raw", + NULL +}; + +/* valid inetd nettypes */ +static char* valid_i_nettypes[] = +{ + "udp", + "tcp", + NULL +}; + +static int +check_nettype(char *name, 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; + } + } + f_print( stderr, "illegal nettype :\'%s\'\n", name ); + return 0; +} + +/* + * Compile into an XDR routine output file + */ + +static void +c_output(char *infile, char *define, int extend, char *outfile) +{ + definition *def; + char *include; + 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"))) { + f_print(fout, "#include \"%s\"\n", include); + free(include); + /* .h file already contains rpc/rpc.h */ + } else + f_print(fout, "#include <rpc/rpc.h>\n"); + tell = ftell(fout); + while ((def = get_definition()) != NULL) { + emit(def); + } + if (extend && tell == ftell(fout)) { + (void) unlink(outfilename); + } +} + + +static void +c_initialize(void) +{ + + /* add all the starting basic types */ + + add_type(1,"int"); + add_type(1,"int32_t"); + add_type(1,"short"); + add_type(1,"bool"); + + add_type(1,"u_int"); + add_type(1,"u_int32_t"); + 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(char *pathname) +{ + char* filename, *guard, *tmp; + + filename = strrchr(pathname, '/' ); /* find last component */ + filename = ((filename == 0) ? pathname : filename+1); + guard = strdup(filename); + /* convert to upper case */ + tmp = guard; + while (*tmp) { + if (islower(*tmp)) + *tmp = toupper(*tmp); + tmp++; + } + + guard = extendfile(guard, "_H_RPCGEN"); + return( guard ); +} + +/* + * Compile into an XDR header file + */ +static void +h_output(char *infile, char *define, int extend, char *outfile) +{ + definition *def; + char *outfilename; + long tell; + char *guard; + list *l; + + open_input(infile, define); + outfilename = extend ? extendfile(infile, outfile) : outfile; + open_output(infile, outfilename); + add_warning(); + guard = generate_guard( outfilename ? outfilename: infile ); + + f_print(fout,"#ifndef _%s\n#define _%s\n\n", guard, + guard); + + f_print(fout, "#include <rpc/rpc.h>\n\n"); + + f_print(fout, "#ifndef IXDR_GET_INT32\n"); + f_print(fout, "#define IXDR_GET_INT32(buf) IXDR_GET_LONG((buf))\n"); + f_print(fout, "#endif\n"); + f_print(fout, "#ifndef IXDR_PUT_INT32\n"); + f_print(fout, "#define IXDR_PUT_INT32(buf, v) IXDR_PUT_LONG((buf), (v))\n"); + f_print(fout, "#endif\n"); + f_print(fout, "#ifndef IXDR_GET_U_INT32\n"); + f_print(fout, "#define IXDR_GET_U_INT32(buf) IXDR_GET_U_LONG((buf))\n"); + f_print(fout, "#endif\n"); + f_print(fout, "#ifndef IXDR_PUT_U_INT32\n"); + f_print(fout, "#define IXDR_PUT_U_INT32(buf, v) IXDR_PUT_U_LONG((buf), (v))\n"); + f_print(fout, "#endif\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); + } + if (extend && tell == ftell(fout)) { + (void) unlink(outfilename); + } else if (tblflag) { + f_print(fout, rpcgen_table_dcl); + } + f_print(fout, "\n#endif /* !_%s */\n", guard); +} + +/* + * Compile into an RPC service + */ +static void +s_output(int argc, char **argv, char *infile, char *define, int extend, + char *outfile, int nomain, int netflag) +{ + char *include; + definition *def; + int foundprogram = 0; + char *outfilename; + + open_input(infile, define); + outfilename = extend ? extendfile(infile, outfile) : outfile; + open_output(infile, outfilename); + add_warning(); + if (infile && (include = extendfile(infile, ".h"))) { + f_print(fout, "#include \"%s\"\n", include); + free(include); + } else + f_print(fout, "#include <rpc/rpc.h>\n"); + + f_print(fout, "#include <stdio.h>\n"); + f_print(fout, "#include <stdlib.h>/* getenv, exit */\n"); + if (Cflag) { + f_print (fout, "#include <rpc/pmap_clnt.h> /* for pmap_unset */\n"); + f_print (fout, "#include <string.h> /* strcmp */ \n"); + } + if (strcmp(svcclosetime, "-1") == 0) + indefinitewait = 1; + else if (strcmp(svcclosetime, "0") == 0) + exitnow = 1; + else if (inetdflag || pmflag) { + f_print(fout, "#include <signal.h>\n"); + timerflag = 1; + } + +#ifndef linux + if( !tirpcflag && inetdflag ) + f_print(fout, "#include <sys/ttycom.h>/* TIOCNOTTY */\n"); +#else + if( !tirpcflag ) + f_print(fout, "#include <sys/ioctl.h>/* TIOCNOTTY */\n"); +#endif + if( Cflag && (inetdflag || pmflag ) ) { + f_print(fout, "#ifdef __cplusplus\n"); + f_print(fout, "#include <sysent.h> /* getdtablesize, open */\n"); + f_print(fout, "#endif /* __cplusplus */\n"); + + if( tirpcflag ) + f_print(fout, "#include <unistd.h> /* setsid */\n"); + } + if( tirpcflag ) + f_print(fout, "#include <sys/types.h>\n"); + + f_print(fout, "#include <memory.h>\n"); +#ifndef linux + f_print(fout, "#include <stropts.h>\n"); +#endif + if (inetdflag || !tirpcflag ) { + f_print(fout, "#include <sys/socket.h>\n"); + f_print(fout, "#include <netinet/in.h>\n"); + } + + if ( (netflag || pmflag) && tirpcflag ) { + f_print(fout, "#include <netconfig.h>\n"); + } + if (/*timerflag &&*/ tirpcflag) + f_print(fout, "#include <sys/resource.h> /* rlimit */\n"); + if (logflag || inetdflag || pmflag) { +#ifdef linux + f_print(fout, "#include <syslog.h>\n"); +#else + f_print(fout, "#ifdef SYSLOG\n"); + f_print(fout, "#include <syslog.h>\n"); + f_print(fout, "#else\n"); + f_print(fout, "#define LOG_ERR 1\n"); + f_print(fout, "#define openlog(a, b, c)\n"); + f_print(fout, "#endif\n"); +#endif + } + + /* for ANSI-C */ + f_print(fout, "\n#ifdef __STDC__\n#define SIG_PF void(*)(int)\n#endif\n"); + + f_print(fout, "\n#ifdef DEBUG\n#define RPC_SVC_FG\n#endif\n"); + if (timerflag) + f_print(fout, "\n#define _RPCSVC_CLOSEDOWN %s\n", svcclosetime); + while ((def = get_definition()) != NULL) { + foundprogram |= (def->def_kind == DEF_PROGRAM); + } + if (extend && !foundprogram) { + (void) unlink(outfilename); + return; + } + write_most(infile, netflag, nomain); + if (!nomain) { + if( !do_registers(argc, argv) ) { + if (outfilename) + (void) unlink(outfilename); + usage(); + } + write_rest(); + } +} + +/* + * generate client side stubs + */ +static void +l_output(char *infile, char *define, int extend, char *outfile) +{ + char *include; + definition *def; + int foundprogram = 0; + char *outfilename; + + open_input(infile, define); + outfilename = extend ? extendfile(infile, outfile) : outfile; + open_output(infile, outfilename); + add_warning(); + if (Cflag) + f_print (fout, "#include <memory.h> /* for memset */\n"); + if (infile && (include = extendfile(infile, ".h"))) { + f_print(fout, "#include \"%s\"\n", include); + free(include); + } else + f_print(fout, "#include <rpc/rpc.h>\n"); + while ((def = get_definition()) != NULL) { + foundprogram |= (def->def_kind == DEF_PROGRAM); + } + if (extend && !foundprogram) { + (void) unlink(outfilename); + return; + } + write_stubs(); +} + +/* + * generate the dispatch table + */ +static void +t_output(char *infile, char *define, int extend, char *outfile) +{ + definition *def; + int foundprogram = 0; + 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) { + (void) unlink(outfilename); + return; + } + write_tables(); +} + +/* sample routine for the server template */ +static void +svc_output(char *infile, char *define, int extend, char *outfile) +{ + definition *def; + char *include; + 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"))) { + f_print(fout, "#include \"%s\"\n", include); + free(include); + } else + f_print(fout, "#include <rpc/rpc.h>\n"); + + tell = ftell(fout); + while ((def = get_definition()) != NULL) { + write_sample_svc(def); + } + if (extend && tell == ftell(fout)) { + (void) unlink(outfilename); + } +} + + +/* sample main routine for client */ +static void +clnt_output(char *infile, char *define, int extend, char *outfile) +{ + definition *def; + char *include; + 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"))) { + f_print(fout, "#include \"%s\"\n", include); + free(include); + } else + f_print(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)) { + (void) unlink(outfilename); + } +} + +/* + * Perform registrations for service output + * Return 0 if failed; 1 otherwise. + */ +static int +do_registers(int argc, 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(char *cp) +{ + if (argcount >= ARGLISTLEN) { + f_print(stderr, "rpcgen: too many defines\n"); + crash(); + /*NOTREACHED*/ + } + arglist[argcount++] = cp; + +} + +static void +putarg(int where, char *cp) +{ + if (where >= ARGLISTLEN) { + f_print(stderr, "rpcgen: arglist coding error\n"); + crash(); + /*NOTREACHED*/ + } + arglist[where] = 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(char *infile, 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 { + f_print(stderr, + "file '%s' already exists and may be overwritten\n", outfile); + crash(); + } + } +} + +/* + * Parse command line arguments + */ +static int +parseargs(int argc, char **argv, struct commandline *cmd) +{ + int i; + int j; + char 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; + for (i = 1; i < argc; i++) { + if (argv[i][0] != '-') { + if (cmd->infile) { + f_print( stderr, "Cannot specify more than one input file!\n"); + + return (0); + } + cmd->infile = argv[i]; + } 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[(int) c]) { + return (0); + } + flag[(int) c] = 1; + break; + case 'S': + /* sample flag: Ss or Sc. + Ss means set flag['S']; + Sc means set flag['C']; */ + c = argv[i][++j]; /* get next char */ + if( c == 's' ) + c = 'S'; + else if( c == 'c' ) + c = 'C'; + else + return( 0 ); + + if (flag[(int) c]) { + return (0); + } + flag[(int) c] = 1; + break; + case 'C': /* ANSI C syntax */ + Cflag = 1; + break; + + case 'b': /* turn TIRPC flag off for + generating backward compatible + */ + tirpcflag = 0; + 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 'i' : + if (++i == argc) { + return (0); + } + Inline = atoi(argv[i]); + goto nextarg; + case 'n': + case 'o': + case 's': + if (argv[i][j - 1] != '-' || + argv[i][j + 1] != 0) { + return (0); + } + flag[(int) 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); + } + (void) addarg(argv[i]); + goto nextarg; + case 'Y': + if (++i == argc) { + return (0); + } + (void) strcpy(pathbuf, argv[i]); + (void) strcat(pathbuf, "/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']; + + if( tirpcflag ) { + pmflag = inetdflag ? 0 : 1; /* pmflag or inetdflag is always TRUE */ + if( (inetdflag && cmd->nflag)) { /* netid not allowed with inetdflag */ + f_print(stderr, "Cannot use netid flag with inetd flag!\n"); + return (0); + } + } else { /* 4.1 mode */ + pmflag = 0; /* set pmflag only in tirpcmode */ + inetdflag = 1; /* inetdflag is TRUE by default */ + 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 (nflags > 1) { + f_print( stderr, "Cannot have more than one file generation flag!\n"); + return (0); + } + return (1); +} + +static void +usage(void) +{ + f_print(stderr, "usage: %s infile\n", cmdname); + f_print(stderr, "\t%s [-a][-b][-C][-Dname[=value]] -i size [-I [-K seconds]] [-L][-N][-T] infile\n", + cmdname); + f_print(stderr, "\t%s [-c | -h | -l | -m | -t | -Sc | -Ss] [-o outfile] [infile]\n", + cmdname); + f_print(stderr, "\t%s [-s nettype]* [-o outfile] [infile]\n", cmdname); + f_print(stderr, "\t%s [-n netid]* [-o outfile] [infile]\n", cmdname); + options_usage(); + exit(1); +} + +static void +options_usage(void) +{ + f_print(stderr, "options:\n"); + f_print(stderr, "-a\t\tgenerate all files, including samples\n"); + f_print(stderr, "-b\t\tbackward compatibility mode (generates code for SunOS 4.1)\n"); + f_print(stderr, "-c\t\tgenerate XDR routines\n"); + f_print(stderr, "-C\t\tANSI C mode\n"); + f_print(stderr, "-Dname[=value]\tdefine a symbol (same as #define)\n"); + f_print(stderr, "-h\t\tgenerate header file\n"); + f_print(stderr, "-i size\t\tsize at which to start generating inline code\n"); + f_print(stderr, "-I\t\tgenerate code for inetd support in server (for SunOS 4.1)\n"); + f_print(stderr, "-K seconds\tserver exits after K seconds of inactivity\n"); + f_print(stderr, "-l\t\tgenerate client side stubs\n"); + f_print(stderr, "-L\t\tserver errors will be printed to syslog\n"); + f_print(stderr, "-m\t\tgenerate server side stubs\n"); + f_print(stderr, "-n netid\tgenerate server code that supports named netid\n"); + f_print(stderr, "-N\t\tsupports multiple arguments and call-by-value\n"); + f_print(stderr, "-o outfile\tname of the output file\n"); + f_print(stderr, "-s nettype\tgenerate server code that supports named nettype\n"); + f_print(stderr, "-Sc\t\tgenerate sample client code that uses remote procedures\n"); + f_print(stderr, "-Ss\t\tgenerate sample server code that defines remote procedures\n"); + f_print(stderr, "-t\t\tgenerate RPC dispatch table\n"); + f_print(stderr, "-T\t\tgenerate code to support RPC dispatch tables\n"); + f_print(stderr, "-Y path\t\tdirectory name to find C preprocessor (cpp)\n"); + + exit(1); +} |