From: Oleg Moiseenko Date: Thu, 6 Sep 2018 05:48:54 +0000 (+0300) Subject: implement argtable in hf 14a apdu (#490) X-Git-Tag: v3.1.0~23 X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/6e3d8d671ac59e308c2ec83136890dc1af2edc65?ds=inline implement argtable in hf 14a apdu (#490) * added `hf 14a reader` to source and added functionality to exec empty commands * added `hf 14a raw` * added samples to command's help * added some help * added changelog * update to new argtable3 --- https://github.com/argtable/argtable3 * changed included getopt to `https://github.com/freebsd/freebsd/blob/master/include/getopt.h` (getopt from freebsd with simplified BSD license) --- diff --git a/CHANGELOG.md b/CHANGELOG.md index da6463e9..ca13dc85 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -18,6 +18,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac - Changed `hf 14a raw` - works with LED's and some exchange logic (Merlok) - Changed TLV parser messages to more convenient (Merlok) - Rewritten Legic Prime reader (`hf legic reader`, `write` and `fill`) - it is using xcorrelation now (AntiCat) +- `hf 14a` commands works via argtable3 commandline parsing library (Merlok) ### Fixed - Changed start sequence in Qt mode (fix: short commands hangs main Qt thread) (Merlok) diff --git a/client/Makefile b/client/Makefile index c6ca1cf1..54a77a84 100644 --- a/client/Makefile +++ b/client/Makefile @@ -106,6 +106,8 @@ CMDSRCS = $(SRC_SMARTCARD) \ polarssl/bignum.c\ polarssl/rsa.c\ polarssl/sha1.c\ + cliparser/argtable3.c\ + cliparser/cliparser.c\ mfkey.c\ loclass/cipher.c \ loclass/cipherutils.c \ diff --git a/client/cliparser/README.md b/client/cliparser/README.md new file mode 100644 index 00000000..2b321946 --- /dev/null +++ b/client/cliparser/README.md @@ -0,0 +1,13 @@ +# Command line parser + +cliparser - librari for proxmark with command line parsing high level functions. + +## External libraries: + +### argtable + +Argtable3 is a single-file, ANSI C, command-line parsing library that parses GNU-style command-line options. + +You can download argtable3 from this repository https://github.com/argtable/argtable3 + +[argtable3 license](https://github.com/argtable/argtable3/blob/master/LICENSE) diff --git a/client/cliparser/argtable3.c b/client/cliparser/argtable3.c new file mode 100644 index 00000000..f70f68c7 --- /dev/null +++ b/client/cliparser/argtable3.c @@ -0,0 +1,5005 @@ +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include "argtable3.h" + +// On Windows isspace crashes app in case of using Unicode character set and string to be above ASCII +// so you have to use _istspace instead of space +#ifdef UNICODE +#include + #define ISSPACE _istspace +#else + #define ISSPACE isspace +#endif + +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 2013 Tom G. Huang + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#ifndef ARG_UTILS_H +#define ARG_UTILS_H + +#define ARG_ENABLE_TRACE 0 +#define ARG_ENABLE_LOG 1 + +#ifdef __cplusplus +extern "C" { +#endif + +enum +{ + EMINCOUNT = 1, + EMAXCOUNT, + EBADINT, + // The same name define EOVERFLOW in errno.h on windows platform +#ifdef __STDC_WANT_SECURE_LIB__ + EOVERFLOW_, +#else + EOVERFLOW, +#endif + EBADDOUBLE, + EBADDATE, + EREGNOMATCH +}; + + +#if defined(_MSC_VER) +#define ARG_TRACE(x) \ + __pragma(warning(push)) \ + __pragma(warning(disable:4127)) \ + do { if (ARG_ENABLE_TRACE) dbg_printf x; } while (0) \ + __pragma(warning(pop)) + +#define ARG_LOG(x) \ + __pragma(warning(push)) \ + __pragma(warning(disable:4127)) \ + do { if (ARG_ENABLE_LOG) dbg_printf x; } while (0) \ + __pragma(warning(pop)) +#else +#define ARG_TRACE(x) \ + do { if (ARG_ENABLE_TRACE) dbg_printf x; } while (0) + +#define ARG_LOG(x) \ + do { if (ARG_ENABLE_LOG) dbg_printf x; } while (0) +#endif + +extern void dbg_printf(const char *fmt, ...); + +#ifdef __cplusplus +} +#endif + +#endif + +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include +#include + + +void dbg_printf(const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); +} + +/* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */ +/* $FreeBSD$ */ + +/*- + * SPDX-License-Identifier: BSD-2-Clause-NetBSD + * + * Copyright (c) 2000 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Dieter Baron and Thomas Klausner. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +#ifndef _GETOPT_H_ +#define _GETOPT_H_ + +#include + +/* + * GNU-like getopt_long()/getopt_long_only() with 4.4BSD optreset extension. + * getopt() is declared here too for GNU programs. + */ +#define no_argument 0 +#define required_argument 1 +#define optional_argument 2 + +struct option { + /* name of long option */ + const char *name; + /* + * one of no_argument, required_argument, and optional_argument: + * whether option takes an argument + */ + int has_arg; + /* if not NULL, set *flag to val when option found */ + int *flag; + /* if flag not NULL, value to set *flag to; else return value */ + int val; +}; + +__BEGIN_DECLS +int getopt_long(int, char * const *, const char *, + const struct option *, int *); +int getopt_long_only(int, char * const *, const char *, + const struct option *, int *); +#ifndef _GETOPT_DECLARED +#define _GETOPT_DECLARED +int getopt(int, char * const [], const char *); + +extern char *optarg; /* getopt(3) external variables */ +extern int optind, opterr, optopt; +#endif +#ifndef _OPTRESET_DECLARED +#define _OPTRESET_DECLARED +extern int optreset; /* getopt(3) external variable */ +#endif +__END_DECLS + +#endif /* !_GETOPT_H_ */ +/* $Id: getopt_long.c,v 1.1 2009/10/16 19:50:28 rodney Exp rodney $ */ +/* $OpenBSD: getopt_long.c,v 1.23 2007/10/31 12:34:57 chl Exp $ */ +/* $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $ */ + +/* + * Copyright (c) 2002 Todd C. Miller + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +// $Id: getopt_long.c,v 1.1 2009/10/16 19:50:28 rodney Exp rodney $" + +/*- + * Copyright (c) 2000 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Dieter Baron and Thomas Klausner. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 +#include +#endif +#include +#include +#include + + +#define REPLACE_GETOPT /* use this getopt as the system getopt(3) */ + +#ifdef REPLACE_GETOPT +int opterr = 1; /* if error message should be printed */ +int optind = 1; /* index into parent argv vector */ +int optopt = '?'; /* character checked for validity */ +int optreset; /* reset getopt */ +char *optarg; /* argument associated with option */ +#endif + +#define PRINT_ERROR ((opterr) && (*options != ':')) + +#define FLAG_PERMUTE 0x01 /* permute non-options to the end of argv */ +#define FLAG_ALLARGS 0x02 /* treat non-options as args to option "-1" */ +#define FLAG_LONGONLY 0x04 /* operate as getopt_long_only */ + +/* return values */ +#define BADCH (int)'?' +#define BADARG ((*options == ':') ? (int)':' : (int)'?') +#define INORDER (int)1 + +#define EMSG "" + +static int getopt_internal(int, char * const *, const char *, + const struct option *, int *, int); +static int parse_long_options(char * const *, const char *, + const struct option *, int *, int); +static int gcd(int, int); +static void permute_args(int, int, int, char * const *); + +static char *place = EMSG; /* option letter processing */ + +/* XXX: set optreset to 1 rather than these two */ +static int nonopt_start = -1; /* first non option argument (for permute) */ +static int nonopt_end = -1; /* first option after non options (for permute) */ + +/* Error messages */ +static const char recargchar[] = "option requires an argument -- %c"; +static const char recargstring[] = "option requires an argument -- %s"; +static const char ambig[] = "ambiguous option -- %.*s"; +static const char noarg[] = "option doesn't take an argument -- %.*s"; +static const char illoptchar[] = "unknown option -- %c"; +static const char illoptstring[] = "unknown option -- %s"; + + + +#ifdef _WIN32 + +/* Windows needs warnx(). We change the definition though: + * 1. (another) global is defined, opterrmsg, which holds the error message + * 2. errors are always printed out on stderr w/o the program name + * Note that opterrmsg always gets set no matter what opterr is set to. The + * error message will not be printed if opterr is 0 as usual. + */ + +#include +#include + +#define MAX_OPTER_MSG_SIZE 128 + +extern char opterrmsg[MAX_OPTER_MSG_SIZE]; +char opterrmsg[MAX_OPTER_MSG_SIZE]; /* buffer for the last error message */ + +static void warnx(const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + /* + Make sure opterrmsg is always zero-terminated despite the _vsnprintf() + implementation specifics and manually suppress the warning. + */ + memset(opterrmsg, 0, sizeof opterrmsg); + if (fmt != NULL) +#ifdef __STDC_WANT_SECURE_LIB__ + _vsnprintf_s(opterrmsg, MAX_OPTER_MSG_SIZE, sizeof(opterrmsg) - 1, fmt, ap); +#else + _vsnprintf(opterrmsg, sizeof(opterrmsg) - 1, fmt, ap); +#endif + va_end(ap); + +#pragma warning(suppress: 6053) + fprintf(stderr, "%s\n", opterrmsg); +} + +#else +#include +#endif /*_WIN32*/ + + +/* + * Compute the greatest common divisor of a and b. + */ +static int +gcd(int a, int b) +{ + int c; + + c = a % b; + while (c != 0) { + a = b; + b = c; + c = a % b; + } + + return (b); +} + +/* + * Exchange the block from nonopt_start to nonopt_end with the block + * from nonopt_end to opt_end (keeping the same order of arguments + * in each block). + */ +static void +permute_args(int panonopt_start, int panonopt_end, int opt_end, + char * const *nargv) +{ + int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos; + char *swap; + + /* + * compute lengths of blocks and number and size of cycles + */ + nnonopts = panonopt_end - panonopt_start; + nopts = opt_end - panonopt_end; + ncycle = gcd(nnonopts, nopts); + cyclelen = (opt_end - panonopt_start) / ncycle; + + for (i = 0; i < ncycle; i++) { + cstart = panonopt_end+i; + pos = cstart; + for (j = 0; j < cyclelen; j++) { + if (pos >= panonopt_end) + pos -= nnonopts; + else + pos += nopts; + swap = nargv[pos]; + /* LINTED const cast */ + ((char **) nargv)[pos] = nargv[cstart]; + /* LINTED const cast */ + ((char **)nargv)[cstart] = swap; + } + } +} + +/* + * parse_long_options -- + * Parse long options in argc/argv argument vector. + * Returns -1 if short_too is set and the option does not match long_options. + */ +static int +parse_long_options(char * const *nargv, const char *options, + const struct option *long_options, int *idx, int short_too) +{ + char *current_argv, *has_equal; + size_t current_argv_len; + int i, match; + + current_argv = place; + match = -1; + + optind++; + + if ((has_equal = strchr(current_argv, '=')) != NULL) { + /* argument found (--option=arg) */ + current_argv_len = has_equal - current_argv; + has_equal++; + } else + current_argv_len = strlen(current_argv); + + for (i = 0; long_options[i].name; i++) { + /* find matching long option */ + if (strncmp(current_argv, long_options[i].name, + current_argv_len)) + continue; + + if (strlen(long_options[i].name) == current_argv_len) { + /* exact match */ + match = i; + break; + } + /* + * If this is a known short option, don't allow + * a partial match of a single character. + */ + if (short_too && current_argv_len == 1) + continue; + + if (match == -1) /* partial match */ + match = i; + else { + /* ambiguous abbreviation */ + if (PRINT_ERROR) + warnx(ambig, (int)current_argv_len, + current_argv); + optopt = 0; + return (BADCH); + } + } + if (match != -1) { /* option found */ + if (long_options[match].has_arg == no_argument + && has_equal) { + if (PRINT_ERROR) + warnx(noarg, (int)current_argv_len, + current_argv); + /* + * XXX: GNU sets optopt to val regardless of flag + */ + if (long_options[match].flag == NULL) + optopt = long_options[match].val; + else + optopt = 0; + return (BADARG); + } + if (long_options[match].has_arg == required_argument || + long_options[match].has_arg == optional_argument) { + if (has_equal) + optarg = has_equal; + else if (long_options[match].has_arg == + required_argument) { + /* + * optional argument doesn't use next nargv + */ + optarg = nargv[optind++]; + } + } + if ((long_options[match].has_arg == required_argument) + && (optarg == NULL)) { + /* + * Missing argument; leading ':' indicates no error + * should be generated. + */ + if (PRINT_ERROR) + warnx(recargstring, + current_argv); + /* + * XXX: GNU sets optopt to val regardless of flag + */ + if (long_options[match].flag == NULL) + optopt = long_options[match].val; + else + optopt = 0; + --optind; + return (BADARG); + } + } else { /* unknown option */ + if (short_too) { + --optind; + return (-1); + } + if (PRINT_ERROR) + warnx(illoptstring, current_argv); + optopt = 0; + return (BADCH); + } + if (idx) + *idx = match; + if (long_options[match].flag) { + *long_options[match].flag = long_options[match].val; + return (0); + } else + return (long_options[match].val); +} + +/* + * getopt_internal -- + * Parse argc/argv argument vector. Called by user level routines. + */ +static int +getopt_internal(int nargc, char * const *nargv, const char *options, + const struct option *long_options, int *idx, int flags) +{ + char *oli; /* option letter list index */ + int optchar, short_too; + static int posixly_correct = -1; +#ifdef __STDC_WANT_SECURE_LIB__ + char* buffer = NULL; + size_t buffer_size = 0; + errno_t err = 0; +#endif + + if (options == NULL) + return (-1); + + /* + * Disable GNU extensions if POSIXLY_CORRECT is set or options + * string begins with a '+'. + */ + +#ifdef __STDC_WANT_SECURE_LIB__ + if (posixly_correct == -1) { + err = _dupenv_s(&buffer, &buffer_size, "POSIXLY_CORRECT") == 0; + posixly_correct = buffer != NULL; + if(buffer != NULL && err == 0) { + free(buffer); + } + } +#else + if (posixly_correct == -1) + posixly_correct = (getenv("POSIXLY_CORRECT") != NULL); +#endif + if (posixly_correct || *options == '+') + flags &= ~FLAG_PERMUTE; + else if (*options == '-') + flags |= FLAG_ALLARGS; + if (*options == '+' || *options == '-') + options++; + + /* + * XXX Some GNU programs (like cvs) set optind to 0 instead of + * XXX using optreset. Work around this braindamage. + */ + if (optind == 0) + optind = optreset = 1; + + optarg = NULL; + if (optreset) + nonopt_start = nonopt_end = -1; +start: + if (optreset || !*place) { /* update scanning pointer */ + optreset = 0; + if (optind >= nargc) { /* end of argument vector */ + place = EMSG; + if (nonopt_end != -1) { + /* do permutation, if we have to */ + permute_args(nonopt_start, nonopt_end, + optind, nargv); + optind -= nonopt_end - nonopt_start; + } + else if (nonopt_start != -1) { + /* + * If we skipped non-options, set optind + * to the first of them. + */ + optind = nonopt_start; + } + nonopt_start = nonopt_end = -1; + return (-1); + } + if (*(place = nargv[optind]) != '-' || + (place[1] == '\0' && strchr(options, '-') == NULL)) { + place = EMSG; /* found non-option */ + if (flags & FLAG_ALLARGS) { + /* + * GNU extension: + * return non-option as argument to option 1 + */ + optarg = nargv[optind++]; + return (INORDER); + } + if (!(flags & FLAG_PERMUTE)) { + /* + * If no permutation wanted, stop parsing + * at first non-option. + */ + return (-1); + } + /* do permutation */ + if (nonopt_start == -1) + nonopt_start = optind; + else if (nonopt_end != -1) { + permute_args(nonopt_start, nonopt_end, + optind, nargv); + nonopt_start = optind - + (nonopt_end - nonopt_start); + nonopt_end = -1; + } + optind++; + /* process next argument */ + goto start; + } + if (nonopt_start != -1 && nonopt_end == -1) + nonopt_end = optind; + + /* + * If we have "-" do nothing, if "--" we are done. + */ + if (place[1] != '\0' && *++place == '-' && place[1] == '\0') { + optind++; + place = EMSG; + /* + * We found an option (--), so if we skipped + * non-options, we have to permute. + */ + if (nonopt_end != -1) { + permute_args(nonopt_start, nonopt_end, + optind, nargv); + optind -= nonopt_end - nonopt_start; + } + nonopt_start = nonopt_end = -1; + return (-1); + } + } + + /* + * Check long options if: + * 1) we were passed some + * 2) the arg is not just "-" + * 3) either the arg starts with -- we are getopt_long_only() + */ + if (long_options != NULL && place != nargv[optind] && + (*place == '-' || (flags & FLAG_LONGONLY))) { + short_too = 0; + if (*place == '-') + place++; /* --foo long option */ + else if (*place != ':' && strchr(options, *place) != NULL) + short_too = 1; /* could be short option too */ + + optchar = parse_long_options(nargv, options, long_options, + idx, short_too); + if (optchar != -1) { + place = EMSG; + return (optchar); + } + } + + if ((optchar = (int)*place++) == (int)':' || + (optchar == (int)'-' && *place != '\0') || + (oli = strchr(options, optchar)) == NULL) { + /* + * If the user specified "-" and '-' isn't listed in + * options, return -1 (non-option) as per POSIX. + * Otherwise, it is an unknown option character (or ':'). + */ + if (optchar == (int)'-' && *place == '\0') + return (-1); + if (!*place) + ++optind; + if (PRINT_ERROR) + warnx(illoptchar, optchar); + optopt = optchar; + return (BADCH); + } + if (long_options != NULL && optchar == 'W' && oli[1] == ';') { + /* -W long-option */ + if (*place) /* no space */ + /* NOTHING */; + else if (++optind >= nargc) { /* no arg */ + place = EMSG; + if (PRINT_ERROR) + warnx(recargchar, optchar); + optopt = optchar; + return (BADARG); + } else /* white space */ + place = nargv[optind]; + optchar = parse_long_options(nargv, options, long_options, + idx, 0); + place = EMSG; + return (optchar); + } + if (*++oli != ':') { /* doesn't take argument */ + if (!*place) + ++optind; + } else { /* takes (optional) argument */ + optarg = NULL; + if (*place) /* no white space */ + optarg = place; + else if (oli[1] != ':') { /* arg not optional */ + if (++optind >= nargc) { /* no arg */ + place = EMSG; + if (PRINT_ERROR) + warnx(recargchar, optchar); + optopt = optchar; + return (BADARG); + } else + optarg = nargv[optind]; + } + place = EMSG; + ++optind; + } + /* dump back option letter */ + return (optchar); +} + +#ifdef REPLACE_GETOPT +/* + * getopt -- + * Parse argc/argv argument vector. + * + * [eventually this will replace the BSD getopt] + */ +int +getopt(int nargc, char * const *nargv, const char *options) +{ + + /* + * We don't pass FLAG_PERMUTE to getopt_internal() since + * the BSD getopt(3) (unlike GNU) has never done this. + * + * Furthermore, since many privileged programs call getopt() + * before dropping privileges it makes sense to keep things + * as simple (and bug-free) as possible. + */ + return (getopt_internal(nargc, nargv, options, NULL, NULL, 0)); +} +#endif /* REPLACE_GETOPT */ + +/* + * getopt_long -- + * Parse argc/argv argument vector. + */ +int +getopt_long(int nargc, char * const *nargv, const char *options, + const struct option *long_options, int *idx) +{ + + return (getopt_internal(nargc, nargv, options, long_options, idx, + FLAG_PERMUTE)); +} + +/* + * getopt_long_only -- + * Parse argc/argv argument vector. + */ +int +getopt_long_only(int nargc, char * const *nargv, const char *options, + const struct option *long_options, int *idx) +{ + + return (getopt_internal(nargc, nargv, options, long_options, idx, + FLAG_PERMUTE|FLAG_LONGONLY)); +} +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include +#include + +#include "argtable3.h" + + +char * arg_strptime(const char *buf, const char *fmt, struct tm *tm); + + +static void arg_date_resetfn(struct arg_date *parent) +{ + ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent)); + parent->count = 0; +} + + +static int arg_date_scanfn(struct arg_date *parent, const char *argval) +{ + int errorcode = 0; + + if (parent->count == parent->hdr.maxcount) + { + errorcode = EMAXCOUNT; + } + else if (!argval) + { + /* no argument value was given, leave parent->tmval[] unaltered but still count it */ + parent->count++; + } + else + { + const char *pend; + struct tm tm = parent->tmval[parent->count]; + + /* parse the given argument value, store result in parent->tmval[] */ + pend = arg_strptime(argval, parent->format, &tm); + if (pend && pend[0] == '\0') + parent->tmval[parent->count++] = tm; + else + errorcode = EBADDATE; + } + + ARG_TRACE(("%s:scanfn(%p) returns %d\n", __FILE__, parent, errorcode)); + return errorcode; +} + + +static int arg_date_checkfn(struct arg_date *parent) +{ + int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0; + + ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode)); + return errorcode; +} + + +static void arg_date_errorfn( + struct arg_date *parent, + FILE *fp, + int errorcode, + const char *argval, + const char *progname) +{ + const char *shortopts = parent->hdr.shortopts; + const char *longopts = parent->hdr.longopts; + const char *datatype = parent->hdr.datatype; + + /* make argval NULL safe */ + argval = argval ? argval : ""; + + fprintf(fp, "%s: ", progname); + switch(errorcode) + { + case EMINCOUNT: + fputs("missing option ", fp); + arg_print_option(fp, shortopts, longopts, datatype, "\n"); + break; + + case EMAXCOUNT: + fputs("excess option ", fp); + arg_print_option(fp, shortopts, longopts, argval, "\n"); + break; + + case EBADDATE: + { + struct tm tm; + char buff[200]; + + fprintf(fp, "illegal timestamp format \"%s\"\n", argval); + memset(&tm, 0, sizeof(tm)); + arg_strptime("1999-12-31 23:59:59", "%F %H:%M:%S", &tm); + strftime(buff, sizeof(buff), parent->format, &tm); + printf("correct format is \"%s\"\n", buff); + break; + } + } +} + + +struct arg_date * arg_date0( + const char * shortopts, + const char * longopts, + const char * format, + const char *datatype, + const char *glossary) +{ + return arg_daten(shortopts, longopts, format, datatype, 0, 1, glossary); +} + + +struct arg_date * arg_date1( + const char * shortopts, + const char * longopts, + const char * format, + const char *datatype, + const char *glossary) +{ + return arg_daten(shortopts, longopts, format, datatype, 1, 1, glossary); +} + + +struct arg_date * arg_daten( + const char * shortopts, + const char * longopts, + const char * format, + const char *datatype, + int mincount, + int maxcount, + const char *glossary) +{ + size_t nbytes; + struct arg_date *result; + + /* foolproof things by ensuring maxcount is not less than mincount */ + maxcount = (maxcount < mincount) ? mincount : maxcount; + + /* default time format is the national date format for the locale */ + if (!format) + format = "%x"; + + nbytes = sizeof(struct arg_date) /* storage for struct arg_date */ + + maxcount * sizeof(struct tm); /* storage for tmval[maxcount] array */ + + /* allocate storage for the arg_date struct + tmval[] array. */ + /* we use calloc because we want the tmval[] array zero filled. */ + result = (struct arg_date *)calloc(1, nbytes); + if (result) + { + /* init the arg_hdr struct */ + result->hdr.flag = ARG_HASVALUE; + result->hdr.shortopts = shortopts; + result->hdr.longopts = longopts; + result->hdr.datatype = datatype ? datatype : format; + result->hdr.glossary = glossary; + result->hdr.mincount = mincount; + result->hdr.maxcount = maxcount; + result->hdr.parent = result; + result->hdr.resetfn = (arg_resetfn *)arg_date_resetfn; + result->hdr.scanfn = (arg_scanfn *)arg_date_scanfn; + result->hdr.checkfn = (arg_checkfn *)arg_date_checkfn; + result->hdr.errorfn = (arg_errorfn *)arg_date_errorfn; + + /* store the tmval[maxcount] array immediately after the arg_date struct */ + result->tmval = (struct tm *)(result + 1); + + /* init the remaining arg_date member variables */ + result->count = 0; + result->format = format; + } + + ARG_TRACE(("arg_daten() returns %p\n", result)); + return result; +} + + +/*- + * Copyright (c) 1997, 1998, 2005, 2008 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code was contributed to The NetBSD Foundation by Klaus Klein. + * Heavily optimised by David Laight + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +#include +#include +#include + +/* + * We do not implement alternate representations. However, we always + * check whether a given modifier is allowed for a certain conversion. + */ +#define ALT_E 0x01 +#define ALT_O 0x02 +#define LEGAL_ALT(x) { if (alt_format & ~(x)) return (0); } +#define TM_YEAR_BASE (1900) + +static int conv_num(const char * *, int *, int, int); + +static const char *day[7] = { + "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", + "Friday", "Saturday" +}; + +static const char *abday[7] = { + "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" +}; + +static const char *mon[12] = { + "January", "February", "March", "April", "May", "June", "July", + "August", "September", "October", "November", "December" +}; + +static const char *abmon[12] = { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" +}; + +static const char *am_pm[2] = { + "AM", "PM" +}; + + +static int arg_strcasecmp(const char *s1, const char *s2) +{ + const unsigned char *us1 = (const unsigned char *)s1; + const unsigned char *us2 = (const unsigned char *)s2; + while (tolower(*us1) == tolower(*us2++)) + if (*us1++ == '\0') + return 0; + + return tolower(*us1) - tolower(*--us2); +} + + +static int arg_strncasecmp(const char *s1, const char *s2, size_t n) +{ + if (n != 0) + { + const unsigned char *us1 = (const unsigned char *)s1; + const unsigned char *us2 = (const unsigned char *)s2; + do + { + if (tolower(*us1) != tolower(*us2++)) + return tolower(*us1) - tolower(*--us2); + + if (*us1++ == '\0') + break; + } while (--n != 0); + } + + return 0; +} + + +char * arg_strptime(const char *buf, const char *fmt, struct tm *tm) +{ + char c; + const char *bp; + size_t len = 0; + int alt_format, i, split_year = 0; + + bp = buf; + + while ((c = *fmt) != '\0') { + /* Clear `alternate' modifier prior to new conversion. */ + alt_format = 0; + + /* Eat up white-space. */ + if (ISSPACE(c)) { + while (ISSPACE(*bp)) + bp++; + + fmt++; + continue; + } + + if ((c = *fmt++) != '%') + goto literal; + + +again: + switch (c = *fmt++) + { + case '%': /* "%%" is converted to "%". */ +literal: + if (c != *bp++) + return (0); + break; + + /* + * "Alternative" modifiers. Just set the appropriate flag + * and start over again. + */ + case 'E': /* "%E?" alternative conversion modifier. */ + LEGAL_ALT(0); + alt_format |= ALT_E; + goto again; + + case 'O': /* "%O?" alternative conversion modifier. */ + LEGAL_ALT(0); + alt_format |= ALT_O; + goto again; + + /* + * "Complex" conversion rules, implemented through recursion. + */ + case 'c': /* Date and time, using the locale's format. */ + LEGAL_ALT(ALT_E); + bp = arg_strptime(bp, "%x %X", tm); + if (!bp) + return (0); + break; + + case 'D': /* The date as "%m/%d/%y". */ + LEGAL_ALT(0); + bp = arg_strptime(bp, "%m/%d/%y", tm); + if (!bp) + return (0); + break; + + case 'R': /* The time as "%H:%M". */ + LEGAL_ALT(0); + bp = arg_strptime(bp, "%H:%M", tm); + if (!bp) + return (0); + break; + + case 'r': /* The time in 12-hour clock representation. */ + LEGAL_ALT(0); + bp = arg_strptime(bp, "%I:%M:%S %p", tm); + if (!bp) + return (0); + break; + + case 'T': /* The time as "%H:%M:%S". */ + LEGAL_ALT(0); + bp = arg_strptime(bp, "%H:%M:%S", tm); + if (!bp) + return (0); + break; + + case 'X': /* The time, using the locale's format. */ + LEGAL_ALT(ALT_E); + bp = arg_strptime(bp, "%H:%M:%S", tm); + if (!bp) + return (0); + break; + + case 'x': /* The date, using the locale's format. */ + LEGAL_ALT(ALT_E); + bp = arg_strptime(bp, "%m/%d/%y", tm); + if (!bp) + return (0); + break; + + /* + * "Elementary" conversion rules. + */ + case 'A': /* The day of week, using the locale's form. */ + case 'a': + LEGAL_ALT(0); + for (i = 0; i < 7; i++) { + /* Full name. */ + len = strlen(day[i]); + if (arg_strncasecmp(day[i], bp, len) == 0) + break; + + /* Abbreviated name. */ + len = strlen(abday[i]); + if (arg_strncasecmp(abday[i], bp, len) == 0) + break; + } + + /* Nothing matched. */ + if (i == 7) + return (0); + + tm->tm_wday = i; + bp += len; + break; + + case 'B': /* The month, using the locale's form. */ + case 'b': + case 'h': + LEGAL_ALT(0); + for (i = 0; i < 12; i++) { + /* Full name. */ + len = strlen(mon[i]); + if (arg_strncasecmp(mon[i], bp, len) == 0) + break; + + /* Abbreviated name. */ + len = strlen(abmon[i]); + if (arg_strncasecmp(abmon[i], bp, len) == 0) + break; + } + + /* Nothing matched. */ + if (i == 12) + return (0); + + tm->tm_mon = i; + bp += len; + break; + + case 'C': /* The century number. */ + LEGAL_ALT(ALT_E); + if (!(conv_num(&bp, &i, 0, 99))) + return (0); + + if (split_year) { + tm->tm_year = (tm->tm_year % 100) + (i * 100); + } else { + tm->tm_year = i * 100; + split_year = 1; + } + break; + + case 'd': /* The day of month. */ + case 'e': + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_mday, 1, 31))) + return (0); + break; + + case 'k': /* The hour (24-hour clock representation). */ + LEGAL_ALT(0); + /* FALLTHROUGH */ + case 'H': + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_hour, 0, 23))) + return (0); + break; + + case 'l': /* The hour (12-hour clock representation). */ + LEGAL_ALT(0); + /* FALLTHROUGH */ + case 'I': + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_hour, 1, 12))) + return (0); + if (tm->tm_hour == 12) + tm->tm_hour = 0; + break; + + case 'j': /* The day of year. */ + LEGAL_ALT(0); + if (!(conv_num(&bp, &i, 1, 366))) + return (0); + tm->tm_yday = i - 1; + break; + + case 'M': /* The minute. */ + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_min, 0, 59))) + return (0); + break; + + case 'm': /* The month. */ + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &i, 1, 12))) + return (0); + tm->tm_mon = i - 1; + break; + + case 'p': /* The locale's equivalent of AM/PM. */ + LEGAL_ALT(0); + /* AM? */ + if (arg_strcasecmp(am_pm[0], bp) == 0) { + if (tm->tm_hour > 11) + return (0); + + bp += strlen(am_pm[0]); + break; + } + /* PM? */ + else if (arg_strcasecmp(am_pm[1], bp) == 0) { + if (tm->tm_hour > 11) + return (0); + + tm->tm_hour += 12; + bp += strlen(am_pm[1]); + break; + } + + /* Nothing matched. */ + return (0); + + case 'S': /* The seconds. */ + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_sec, 0, 61))) + return (0); + break; + + case 'U': /* The week of year, beginning on sunday. */ + case 'W': /* The week of year, beginning on monday. */ + LEGAL_ALT(ALT_O); + /* + * XXX This is bogus, as we can not assume any valid + * information present in the tm structure at this + * point to calculate a real value, so just check the + * range for now. + */ + if (!(conv_num(&bp, &i, 0, 53))) + return (0); + break; + + case 'w': /* The day of week, beginning on sunday. */ + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_wday, 0, 6))) + return (0); + break; + + case 'Y': /* The year. */ + LEGAL_ALT(ALT_E); + if (!(conv_num(&bp, &i, 0, 9999))) + return (0); + + tm->tm_year = i - TM_YEAR_BASE; + break; + + case 'y': /* The year within 100 years of the epoch. */ + LEGAL_ALT(ALT_E | ALT_O); + if (!(conv_num(&bp, &i, 0, 99))) + return (0); + + if (split_year) { + tm->tm_year = ((tm->tm_year / 100) * 100) + i; + break; + } + split_year = 1; + if (i <= 68) + tm->tm_year = i + 2000 - TM_YEAR_BASE; + else + tm->tm_year = i + 1900 - TM_YEAR_BASE; + break; + + /* + * Miscellaneous conversions. + */ + case 'n': /* Any kind of white-space. */ + case 't': + LEGAL_ALT(0); + while (ISSPACE(*bp)) + bp++; + break; + + + default: /* Unknown/unsupported conversion. */ + return (0); + } + + + } + + /* LINTED functional specification */ + return ((char *)bp); +} + + +static int conv_num(const char * *buf, int *dest, int llim, int ulim) +{ + int result = 0; + + /* The limit also determines the number of valid digits. */ + int rulim = ulim; + + if (**buf < '0' || **buf > '9') + return (0); + + do { + result *= 10; + result += *(*buf)++ - '0'; + rulim /= 10; + } while ((result * 10 <= ulim) && rulim && **buf >= '0' && **buf <= '9'); + + if (result < llim || result > ulim) + return (0); + + *dest = result; + return (1); +} +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include + +#include "argtable3.h" + + +static void arg_dbl_resetfn(struct arg_dbl *parent) +{ + ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent)); + parent->count = 0; +} + + +static int arg_dbl_scanfn(struct arg_dbl *parent, const char *argval) +{ + int errorcode = 0; + + if (parent->count == parent->hdr.maxcount) + { + /* maximum number of arguments exceeded */ + errorcode = EMAXCOUNT; + } + else if (!argval) + { + /* a valid argument with no argument value was given. */ + /* This happens when an optional argument value was invoked. */ + /* leave parent argument value unaltered but still count the argument. */ + parent->count++; + } + else + { + double val; + char *end; + + /* extract double from argval into val */ + val = strtod(argval, &end); + + /* if success then store result in parent->dval[] array otherwise return error*/ + if (*end == 0) + parent->dval[parent->count++] = val; + else + errorcode = EBADDOUBLE; + } + + ARG_TRACE(("%s:scanfn(%p) returns %d\n", __FILE__, parent, errorcode)); + return errorcode; +} + + +static int arg_dbl_checkfn(struct arg_dbl *parent) +{ + int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0; + + ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode)); + return errorcode; +} + + +static void arg_dbl_errorfn( + struct arg_dbl *parent, + FILE *fp, + int errorcode, + const char *argval, + const char *progname) +{ + const char *shortopts = parent->hdr.shortopts; + const char *longopts = parent->hdr.longopts; + const char *datatype = parent->hdr.datatype; + + /* make argval NULL safe */ + argval = argval ? argval : ""; + + fprintf(fp, "%s: ", progname); + switch(errorcode) + { + case EMINCOUNT: + fputs("missing option ", fp); + arg_print_option(fp, shortopts, longopts, datatype, "\n"); + break; + + case EMAXCOUNT: + fputs("excess option ", fp); + arg_print_option(fp, shortopts, longopts, argval, "\n"); + break; + + case EBADDOUBLE: + fprintf(fp, "invalid argument \"%s\" to option ", argval); + arg_print_option(fp, shortopts, longopts, datatype, "\n"); + break; + } +} + + +struct arg_dbl * arg_dbl0( + const char * shortopts, + const char * longopts, + const char *datatype, + const char *glossary) +{ + return arg_dbln(shortopts, longopts, datatype, 0, 1, glossary); +} + + +struct arg_dbl * arg_dbl1( + const char * shortopts, + const char * longopts, + const char *datatype, + const char *glossary) +{ + return arg_dbln(shortopts, longopts, datatype, 1, 1, glossary); +} + + +struct arg_dbl * arg_dbln( + const char * shortopts, + const char * longopts, + const char *datatype, + int mincount, + int maxcount, + const char *glossary) +{ + size_t nbytes; + struct arg_dbl *result; + + /* foolproof things by ensuring maxcount is not less than mincount */ + maxcount = (maxcount < mincount) ? mincount : maxcount; + + nbytes = sizeof(struct arg_dbl) /* storage for struct arg_dbl */ + + (maxcount + 1) * sizeof(double); /* storage for dval[maxcount] array plus one extra for padding to memory boundary */ + + result = (struct arg_dbl *)malloc(nbytes); + if (result) + { + size_t addr; + size_t rem; + + /* init the arg_hdr struct */ + result->hdr.flag = ARG_HASVALUE; + result->hdr.shortopts = shortopts; + result->hdr.longopts = longopts; + result->hdr.datatype = datatype ? datatype : ""; + result->hdr.glossary = glossary; + result->hdr.mincount = mincount; + result->hdr.maxcount = maxcount; + result->hdr.parent = result; + result->hdr.resetfn = (arg_resetfn *)arg_dbl_resetfn; + result->hdr.scanfn = (arg_scanfn *)arg_dbl_scanfn; + result->hdr.checkfn = (arg_checkfn *)arg_dbl_checkfn; + result->hdr.errorfn = (arg_errorfn *)arg_dbl_errorfn; + + /* Store the dval[maxcount] array on the first double boundary that + * immediately follows the arg_dbl struct. We do the memory alignment + * purely for SPARC and Motorola systems. They require floats and + * doubles to be aligned on natural boundaries. + */ + addr = (size_t)(result + 1); + rem = addr % sizeof(double); + result->dval = (double *)(addr + sizeof(double) - rem); + ARG_TRACE(("addr=%p, dval=%p, sizeof(double)=%d rem=%d\n", addr, result->dval, (int)sizeof(double), (int)rem)); + + result->count = 0; + } + + ARG_TRACE(("arg_dbln() returns %p\n", result)); + return result; +} +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include + +#include "argtable3.h" + + +static void arg_end_resetfn(struct arg_end *parent) +{ + ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent)); + parent->count = 0; +} + +static void arg_end_errorfn( + void *parent, + FILE *fp, + int error, + const char *argval, + const char *progname) +{ + /* suppress unreferenced formal parameter warning */ + (void)parent; + + progname = progname ? progname : ""; + argval = argval ? argval : ""; + + fprintf(fp, "%s: ", progname); + switch(error) + { + case ARG_ELIMIT: + fputs("too many errors to display", fp); + break; + case ARG_EMALLOC: + fputs("insufficent memory", fp); + break; + case ARG_ENOMATCH: + fprintf(fp, "unexpected argument \"%s\"", argval); + break; + case ARG_EMISSARG: + fprintf(fp, "option \"%s\" requires an argument", argval); + break; + case ARG_ELONGOPT: + fprintf(fp, "invalid option \"%s\"", argval); + break; + default: + fprintf(fp, "invalid option \"-%c\"", error); + break; + } + + fputc('\n', fp); +} + + +struct arg_end * arg_end(int maxcount) +{ + size_t nbytes; + struct arg_end *result; + + nbytes = sizeof(struct arg_end) + + maxcount * sizeof(int) /* storage for int error[maxcount] array*/ + + maxcount * sizeof(void *) /* storage for void* parent[maxcount] array */ + + maxcount * sizeof(char *); /* storage for char* argval[maxcount] array */ + + result = (struct arg_end *)malloc(nbytes); + if (result) + { + /* init the arg_hdr struct */ + result->hdr.flag = ARG_TERMINATOR; + result->hdr.shortopts = NULL; + result->hdr.longopts = NULL; + result->hdr.datatype = NULL; + result->hdr.glossary = NULL; + result->hdr.mincount = 1; + result->hdr.maxcount = maxcount; + result->hdr.parent = result; + result->hdr.resetfn = (arg_resetfn *)arg_end_resetfn; + result->hdr.scanfn = NULL; + result->hdr.checkfn = NULL; + result->hdr.errorfn = (arg_errorfn *)arg_end_errorfn; + + /* store error[maxcount] array immediately after struct arg_end */ + result->error = (int *)(result + 1); + + /* store parent[maxcount] array immediately after error[] array */ + result->parent = (void * *)(result->error + maxcount ); + + /* store argval[maxcount] array immediately after parent[] array */ + result->argval = (const char * *)(result->parent + maxcount ); + } + + ARG_TRACE(("arg_end(%d) returns %p\n", maxcount, result)); + return result; +} + + +void arg_print_errors(FILE * fp, struct arg_end * end, const char * progname) +{ + int i; + ARG_TRACE(("arg_errors()\n")); + for (i = 0; i < end->count; i++) + { + struct arg_hdr *errorparent = (struct arg_hdr *)(end->parent[i]); + if (errorparent->errorfn) + errorparent->errorfn(end->parent[i], + fp, + end->error[i], + end->argval[i], + progname); + } +} +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include +#include + +#include "argtable3.h" + +#ifdef WIN32 +# define FILESEPARATOR1 '\\' +# define FILESEPARATOR2 '/' +#else +# define FILESEPARATOR1 '/' +# define FILESEPARATOR2 '/' +#endif + + +static void arg_file_resetfn(struct arg_file *parent) +{ + ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent)); + parent->count = 0; +} + + +/* Returns ptr to the base filename within *filename */ +static const char * arg_basename(const char *filename) +{ + const char *result = NULL, *result1, *result2; + + /* Find the last occurrence of eother file separator character. */ + /* Two alternative file separator chars are supported as legal */ + /* file separators but not both together in the same filename. */ + result1 = (filename ? strrchr(filename, FILESEPARATOR1) : NULL); + result2 = (filename ? strrchr(filename, FILESEPARATOR2) : NULL); + + if (result2) + result = result2 + 1; /* using FILESEPARATOR2 (the alternative file separator) */ + + if (result1) + result = result1 + 1; /* using FILESEPARATOR1 (the preferred file separator) */ + + if (!result) + result = filename; /* neither file separator was found so basename is the whole filename */ + + /* special cases of "." and ".." are not considered basenames */ + if (result && ( strcmp(".", result) == 0 || strcmp("..", result) == 0 )) + result = filename + strlen(filename); + + return result; +} + + +/* Returns ptr to the file extension within *basename */ +static const char * arg_extension(const char *basename) +{ + /* find the last occurrence of '.' in basename */ + const char *result = (basename ? strrchr(basename, '.') : NULL); + + /* if no '.' was found then return pointer to end of basename */ + if (basename && !result) + result = basename + strlen(basename); + + /* special case: basenames with a single leading dot (eg ".foo") are not considered as true extensions */ + if (basename && result == basename) + result = basename + strlen(basename); + + /* special case: empty extensions (eg "foo.","foo..") are not considered as true extensions */ + if (basename && result && result[1] == '\0') + result = basename + strlen(basename); + + return result; +} + + +static int arg_file_scanfn(struct arg_file *parent, const char *argval) +{ + int errorcode = 0; + + if (parent->count == parent->hdr.maxcount) + { + /* maximum number of arguments exceeded */ + errorcode = EMAXCOUNT; + } + else if (!argval) + { + /* a valid argument with no argument value was given. */ + /* This happens when an optional argument value was invoked. */ + /* leave parent arguiment value unaltered but still count the argument. */ + parent->count++; + } + else + { + parent->filename[parent->count] = argval; + parent->basename[parent->count] = arg_basename(argval); + parent->extension[parent->count] = + arg_extension(parent->basename[parent->count]); /* only seek extensions within the basename (not the file path)*/ + parent->count++; + } + + ARG_TRACE(("%s4:scanfn(%p) returns %d\n", __FILE__, parent, errorcode)); + return errorcode; +} + + +static int arg_file_checkfn(struct arg_file *parent) +{ + int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0; + + ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode)); + return errorcode; +} + + +static void arg_file_errorfn( + struct arg_file *parent, + FILE *fp, + int errorcode, + const char *argval, + const char *progname) +{ + const char *shortopts = parent->hdr.shortopts; + const char *longopts = parent->hdr.longopts; + const char *datatype = parent->hdr.datatype; + + /* make argval NULL safe */ + argval = argval ? argval : ""; + + fprintf(fp, "%s: ", progname); + switch(errorcode) + { + case EMINCOUNT: + fputs("missing option ", fp); + arg_print_option(fp, shortopts, longopts, datatype, "\n"); + break; + + case EMAXCOUNT: + fputs("excess option ", fp); + arg_print_option(fp, shortopts, longopts, argval, "\n"); + break; + + default: + fprintf(fp, "unknown error at \"%s\"\n", argval); + } +} + + +struct arg_file * arg_file0( + const char * shortopts, + const char * longopts, + const char *datatype, + const char *glossary) +{ + return arg_filen(shortopts, longopts, datatype, 0, 1, glossary); +} + + +struct arg_file * arg_file1( + const char * shortopts, + const char * longopts, + const char *datatype, + const char *glossary) +{ + return arg_filen(shortopts, longopts, datatype, 1, 1, glossary); +} + + +struct arg_file * arg_filen( + const char * shortopts, + const char * longopts, + const char *datatype, + int mincount, + int maxcount, + const char *glossary) +{ + size_t nbytes; + struct arg_file *result; + + /* foolproof things by ensuring maxcount is not less than mincount */ + maxcount = (maxcount < mincount) ? mincount : maxcount; + + nbytes = sizeof(struct arg_file) /* storage for struct arg_file */ + + sizeof(char *) * maxcount /* storage for filename[maxcount] array */ + + sizeof(char *) * maxcount /* storage for basename[maxcount] array */ + + sizeof(char *) * maxcount; /* storage for extension[maxcount] array */ + + result = (struct arg_file *)malloc(nbytes); + if (result) + { + int i; + + /* init the arg_hdr struct */ + result->hdr.flag = ARG_HASVALUE; + result->hdr.shortopts = shortopts; + result->hdr.longopts = longopts; + result->hdr.glossary = glossary; + result->hdr.datatype = datatype ? datatype : ""; + result->hdr.mincount = mincount; + result->hdr.maxcount = maxcount; + result->hdr.parent = result; + result->hdr.resetfn = (arg_resetfn *)arg_file_resetfn; + result->hdr.scanfn = (arg_scanfn *)arg_file_scanfn; + result->hdr.checkfn = (arg_checkfn *)arg_file_checkfn; + result->hdr.errorfn = (arg_errorfn *)arg_file_errorfn; + + /* store the filename,basename,extension arrays immediately after the arg_file struct */ + result->filename = (const char * *)(result + 1); + result->basename = result->filename + maxcount; + result->extension = result->basename + maxcount; + result->count = 0; + + /* foolproof the string pointers by initialising them with empty strings */ + for (i = 0; i < maxcount; i++) + { + result->filename[i] = ""; + result->basename[i] = ""; + result->extension[i] = ""; + } + } + + ARG_TRACE(("arg_filen() returns %p\n", result)); + return result; +} +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include +#include +#include + +#include "argtable3.h" + + +static void arg_int_resetfn(struct arg_int *parent) +{ + ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent)); + parent->count = 0; +} + + +/* strtol0x() is like strtol() except that the numeric string is */ +/* expected to be prefixed by "0X" where X is a user supplied char. */ +/* The string may optionally be prefixed by white space and + or - */ +/* as in +0X123 or -0X123. */ +/* Once the prefix has been scanned, the remainder of the numeric */ +/* string is converted using strtol() with the given base. */ +/* eg: to parse hex str="-0X12324", specify X='X' and base=16. */ +/* eg: to parse oct str="+0o12324", specify X='O' and base=8. */ +/* eg: to parse bin str="-0B01010", specify X='B' and base=2. */ +/* Failure of conversion is indicated by result where *endptr==str. */ +static long int strtol0X(const char * str, + const char * *endptr, + char X, + int base) +{ + long int val; /* stores result */ + int s = 1; /* sign is +1 or -1 */ + const char *ptr = str; /* ptr to current position in str */ + + /* skip leading whitespace */ + while (ISSPACE(*ptr)) + ptr++; + /* printf("1) %s\n",ptr); */ + + /* scan optional sign character */ + switch (*ptr) + { + case '+': + ptr++; + s = 1; + break; + case '-': + ptr++; + s = -1; + break; + default: + s = 1; + break; + } + /* printf("2) %s\n",ptr); */ + + /* '0X' prefix */ + if ((*ptr++) != '0') + { + /* printf("failed to detect '0'\n"); */ + *endptr = str; + return 0; + } + /* printf("3) %s\n",ptr); */ + if (toupper(*ptr++) != toupper(X)) + { + /* printf("failed to detect '%c'\n",X); */ + *endptr = str; + return 0; + } + /* printf("4) %s\n",ptr); */ + + /* attempt conversion on remainder of string using strtol() */ + val = strtol(ptr, (char * *)endptr, base); + if (*endptr == ptr) + { + /* conversion failed */ + *endptr = str; + return 0; + } + + /* success */ + return s * val; +} + + +/* Returns 1 if str matches suffix (case insensitive). */ +/* Str may contain trailing whitespace, but nothing else. */ +static int detectsuffix(const char *str, const char *suffix) +{ + /* scan pairwise through strings until mismatch detected */ + while( toupper(*str) == toupper(*suffix) ) + { + /* printf("'%c' '%c'\n", *str, *suffix); */ + + /* return 1 (success) if match persists until the string terminator */ + if (*str == '\0') + return 1; + + /* next chars */ + str++; + suffix++; + } + /* printf("'%c' '%c' mismatch\n", *str, *suffix); */ + + /* return 0 (fail) if the matching did not consume the entire suffix */ + if (*suffix != 0) + return 0; /* failed to consume entire suffix */ + + /* skip any remaining whitespace in str */ + while (ISSPACE(*str)) + str++; + + /* return 1 (success) if we have reached end of str else return 0 (fail) */ + return (*str == '\0') ? 1 : 0; +} + + +static int arg_int_scanfn(struct arg_int *parent, const char *argval) +{ + int errorcode = 0; + + if (parent->count == parent->hdr.maxcount) + { + /* maximum number of arguments exceeded */ + errorcode = EMAXCOUNT; + } + else if (!argval) + { + /* a valid argument with no argument value was given. */ + /* This happens when an optional argument value was invoked. */ + /* leave parent arguiment value unaltered but still count the argument. */ + parent->count++; + } + else + { + long int val; + const char *end; + + /* attempt to extract hex integer (eg: +0x123) from argval into val conversion */ + val = strtol0X(argval, &end, 'X', 16); + if (end == argval) + { + /* hex failed, attempt octal conversion (eg +0o123) */ + val = strtol0X(argval, &end, 'O', 8); + if (end == argval) + { + /* octal failed, attempt binary conversion (eg +0B101) */ + val = strtol0X(argval, &end, 'B', 2); + if (end == argval) + { + /* binary failed, attempt decimal conversion with no prefix (eg 1234) */ + val = strtol(argval, (char * *)&end, 10); + if (end == argval) + { + /* all supported number formats failed */ + return EBADINT; + } + } + } + } + + /* Safety check for integer overflow. WARNING: this check */ + /* achieves nothing on machines where size(int)==size(long). */ + if ( val > INT_MAX || val < INT_MIN ) +#ifdef __STDC_WANT_SECURE_LIB__ + errorcode = EOVERFLOW_; +#else + errorcode = EOVERFLOW; +#endif + + /* Detect any suffixes (KB,MB,GB) and multiply argument value appropriately. */ + /* We need to be mindful of integer overflows when using such big numbers. */ + if (detectsuffix(end, "KB")) /* kilobytes */ + { + if ( val > (INT_MAX / 1024) || val < (INT_MIN / 1024) ) +#ifdef __STDC_WANT_SECURE_LIB__ + errorcode = EOVERFLOW_; /* Overflow would occur if we proceed */ +#else + errorcode = EOVERFLOW; /* Overflow would occur if we proceed */ +#endif + else + val *= 1024; /* 1KB = 1024 */ + } + else if (detectsuffix(end, "MB")) /* megabytes */ + { + if ( val > (INT_MAX / 1048576) || val < (INT_MIN / 1048576) ) +#ifdef __STDC_WANT_SECURE_LIB__ + errorcode = EOVERFLOW_; /* Overflow would occur if we proceed */ +#else + errorcode = EOVERFLOW; /* Overflow would occur if we proceed */ +#endif + else + val *= 1048576; /* 1MB = 1024*1024 */ + } + else if (detectsuffix(end, "GB")) /* gigabytes */ + { + if ( val > (INT_MAX / 1073741824) || val < (INT_MIN / 1073741824) ) +#ifdef __STDC_WANT_SECURE_LIB__ + errorcode = EOVERFLOW_; /* Overflow would occur if we proceed */ +#else + errorcode = EOVERFLOW; /* Overflow would occur if we proceed */ +#endif + else + val *= 1073741824; /* 1GB = 1024*1024*1024 */ + } + else if (!detectsuffix(end, "")) + errorcode = EBADINT; /* invalid suffix detected */ + + /* if success then store result in parent->ival[] array */ + if (errorcode == 0) + parent->ival[parent->count++] = val; + } + + /* printf("%s:scanfn(%p,%p) returns %d\n",__FILE__,parent,argval,errorcode); */ + return errorcode; +} + + +static int arg_int_checkfn(struct arg_int *parent) +{ + int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0; + /*printf("%s:checkfn(%p) returns %d\n",__FILE__,parent,errorcode);*/ + return errorcode; +} + + +static void arg_int_errorfn( + struct arg_int *parent, + FILE *fp, + int errorcode, + const char *argval, + const char *progname) +{ + const char *shortopts = parent->hdr.shortopts; + const char *longopts = parent->hdr.longopts; + const char *datatype = parent->hdr.datatype; + + /* make argval NULL safe */ + argval = argval ? argval : ""; + + fprintf(fp, "%s: ", progname); + switch(errorcode) + { + case EMINCOUNT: + fputs("missing option ", fp); + arg_print_option(fp, shortopts, longopts, datatype, "\n"); + break; + + case EMAXCOUNT: + fputs("excess option ", fp); + arg_print_option(fp, shortopts, longopts, argval, "\n"); + break; + + case EBADINT: + fprintf(fp, "invalid argument \"%s\" to option ", argval); + arg_print_option(fp, shortopts, longopts, datatype, "\n"); + break; + +#ifdef __STDC_WANT_SECURE_LIB__ + case EOVERFLOW_: +#else + case EOVERFLOW: +#endif + fputs("integer overflow at option ", fp); + arg_print_option(fp, shortopts, longopts, datatype, " "); + fprintf(fp, "(%s is too large)\n", argval); + break; + } +} + + +struct arg_int * arg_int0( + const char *shortopts, + const char *longopts, + const char *datatype, + const char *glossary) +{ + return arg_intn(shortopts, longopts, datatype, 0, 1, glossary); +} + + +struct arg_int * arg_int1( + const char *shortopts, + const char *longopts, + const char *datatype, + const char *glossary) +{ + return arg_intn(shortopts, longopts, datatype, 1, 1, glossary); +} + + +struct arg_int * arg_intn( + const char *shortopts, + const char *longopts, + const char *datatype, + int mincount, + int maxcount, + const char *glossary) +{ + size_t nbytes; + struct arg_int *result; + + /* foolproof things by ensuring maxcount is not less than mincount */ + maxcount = (maxcount < mincount) ? mincount : maxcount; + + nbytes = sizeof(struct arg_int) /* storage for struct arg_int */ + + maxcount * sizeof(int); /* storage for ival[maxcount] array */ + + result = (struct arg_int *)malloc(nbytes); + if (result) + { + /* init the arg_hdr struct */ + result->hdr.flag = ARG_HASVALUE; + result->hdr.shortopts = shortopts; + result->hdr.longopts = longopts; + result->hdr.datatype = datatype ? datatype : ""; + result->hdr.glossary = glossary; + result->hdr.mincount = mincount; + result->hdr.maxcount = maxcount; + result->hdr.parent = result; + result->hdr.resetfn = (arg_resetfn *)arg_int_resetfn; + result->hdr.scanfn = (arg_scanfn *)arg_int_scanfn; + result->hdr.checkfn = (arg_checkfn *)arg_int_checkfn; + result->hdr.errorfn = (arg_errorfn *)arg_int_errorfn; + + /* store the ival[maxcount] array immediately after the arg_int struct */ + result->ival = (int *)(result + 1); + result->count = 0; + } + + ARG_TRACE(("arg_intn() returns %p\n", result)); + return result; +} +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include + +#include "argtable3.h" + + +static void arg_lit_resetfn(struct arg_lit *parent) +{ + ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent)); + parent->count = 0; +} + + +static int arg_lit_scanfn(struct arg_lit *parent, const char *argval) +{ + int errorcode = 0; + if (parent->count < parent->hdr.maxcount ) + parent->count++; + else + errorcode = EMAXCOUNT; + + ARG_TRACE(("%s:scanfn(%p,%s) returns %d\n", __FILE__, parent, argval, + errorcode)); + return errorcode; +} + + +static int arg_lit_checkfn(struct arg_lit *parent) +{ + int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0; + ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode)); + return errorcode; +} + + +static void arg_lit_errorfn( + struct arg_lit *parent, + FILE *fp, + int errorcode, + const char *argval, + const char *progname) +{ + const char *shortopts = parent->hdr.shortopts; + const char *longopts = parent->hdr.longopts; + const char *datatype = parent->hdr.datatype; + + switch(errorcode) + { + case EMINCOUNT: + fprintf(fp, "%s: missing option ", progname); + arg_print_option(fp, shortopts, longopts, datatype, "\n"); + fprintf(fp, "\n"); + break; + + case EMAXCOUNT: + fprintf(fp, "%s: extraneous option ", progname); + arg_print_option(fp, shortopts, longopts, datatype, "\n"); + break; + } + + ARG_TRACE(("%s:errorfn(%p, %p, %d, %s, %s)\n", __FILE__, parent, fp, + errorcode, argval, progname)); +} + + +struct arg_lit * arg_lit0( + const char * shortopts, + const char * longopts, + const char * glossary) +{ + return arg_litn(shortopts, longopts, 0, 1, glossary); +} + + +struct arg_lit * arg_lit1( + const char *shortopts, + const char *longopts, + const char *glossary) +{ + return arg_litn(shortopts, longopts, 1, 1, glossary); +} + + +struct arg_lit * arg_litn( + const char *shortopts, + const char *longopts, + int mincount, + int maxcount, + const char *glossary) +{ + struct arg_lit *result; + + /* foolproof things by ensuring maxcount is not less than mincount */ + maxcount = (maxcount < mincount) ? mincount : maxcount; + + result = (struct arg_lit *)malloc(sizeof(struct arg_lit)); + if (result) + { + /* init the arg_hdr struct */ + result->hdr.flag = 0; + result->hdr.shortopts = shortopts; + result->hdr.longopts = longopts; + result->hdr.datatype = NULL; + result->hdr.glossary = glossary; + result->hdr.mincount = mincount; + result->hdr.maxcount = maxcount; + result->hdr.parent = result; + result->hdr.resetfn = (arg_resetfn *)arg_lit_resetfn; + result->hdr.scanfn = (arg_scanfn *)arg_lit_scanfn; + result->hdr.checkfn = (arg_checkfn *)arg_lit_checkfn; + result->hdr.errorfn = (arg_errorfn *)arg_lit_errorfn; + + /* init local variables */ + result->count = 0; + } + + ARG_TRACE(("arg_litn() returns %p\n", result)); + return result; +} +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include + +#include "argtable3.h" + +struct arg_rem *arg_rem(const char *datatype, const char *glossary) +{ + struct arg_rem *result = (struct arg_rem *)malloc(sizeof(struct arg_rem)); + if (result) + { + result->hdr.flag = 0; + result->hdr.shortopts = NULL; + result->hdr.longopts = NULL; + result->hdr.datatype = datatype; + result->hdr.glossary = glossary; + result->hdr.mincount = 1; + result->hdr.maxcount = 1; + result->hdr.parent = result; + result->hdr.resetfn = NULL; + result->hdr.scanfn = NULL; + result->hdr.checkfn = NULL; + result->hdr.errorfn = NULL; + } + + ARG_TRACE(("arg_rem() returns %p\n", result)); + return result; +} + +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include +#include + +#include "argtable3.h" + + +#ifndef _TREX_H_ +#define _TREX_H_ +/*************************************************************** + T-Rex a tiny regular expression library + + Copyright (C) 2003-2006 Alberto Demichelis + + This software is provided 'as-is', without any express + or implied warranty. In no event will the authors be held + liable for any damages arising from the use of this software. + + Permission is granted to anyone to use this software for + any purpose, including commercial applications, and to alter + it and redistribute it freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; + you must not claim that you wrote the original software. + If you use this software in a product, an acknowledgment + in the product documentation would be appreciated but + is not required. + + 2. Altered source versions must be plainly marked as such, + and must not be misrepresented as being the original software. + + 3. This notice may not be removed or altered from any + source distribution. + +****************************************************************/ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _UNICODE +#define TRexChar unsigned short +#define MAX_CHAR 0xFFFF +#define _TREXC(c) L##c +#define trex_strlen wcslen +#define trex_printf wprintf +#else +#define TRexChar char +#define MAX_CHAR 0xFF +#define _TREXC(c) (c) +#define trex_strlen strlen +#define trex_printf printf +#endif + +#ifndef TREX_API +#define TREX_API extern +#endif + +#define TRex_True 1 +#define TRex_False 0 + +#define TREX_ICASE ARG_REX_ICASE + +typedef unsigned int TRexBool; +typedef struct TRex TRex; + +typedef struct { + const TRexChar *begin; + int len; +} TRexMatch; + +TREX_API TRex *trex_compile(const TRexChar *pattern, const TRexChar **error, int flags); +TREX_API void trex_free(TRex *exp); +TREX_API TRexBool trex_match(TRex* exp, const TRexChar* text); +TREX_API TRexBool trex_search(TRex* exp, const TRexChar* text, const TRexChar** out_begin, const TRexChar** out_end); +TREX_API TRexBool trex_searchrange(TRex* exp, const TRexChar* text_begin, const TRexChar* text_end, const TRexChar** out_begin, const TRexChar** out_end); +TREX_API int trex_getsubexpcount(TRex* exp); +TREX_API TRexBool trex_getsubexp(TRex* exp, int n, TRexMatch *subexp); + +#ifdef __cplusplus +} +#endif + +#endif + + + +struct privhdr +{ + const char *pattern; + int flags; +}; + + +static void arg_rex_resetfn(struct arg_rex *parent) +{ + ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent)); + parent->count = 0; +} + +static int arg_rex_scanfn(struct arg_rex *parent, const char *argval) +{ + int errorcode = 0; + const TRexChar *error = NULL; + TRex *rex = NULL; + TRexBool is_match = TRex_False; + + if (parent->count == parent->hdr.maxcount ) + { + /* maximum number of arguments exceeded */ + errorcode = EMAXCOUNT; + } + else if (!argval) + { + /* a valid argument with no argument value was given. */ + /* This happens when an optional argument value was invoked. */ + /* leave parent argument value unaltered but still count the argument. */ + parent->count++; + } + else + { + struct privhdr *priv = (struct privhdr *)parent->hdr.priv; + + /* test the current argument value for a match with the regular expression */ + /* if a match is detected, record the argument value in the arg_rex struct */ + + rex = trex_compile(priv->pattern, &error, priv->flags); + is_match = trex_match(rex, argval); + if (!is_match) + errorcode = EREGNOMATCH; + else + parent->sval[parent->count++] = argval; + + trex_free(rex); + } + + ARG_TRACE(("%s:scanfn(%p) returns %d\n",__FILE__,parent,errorcode)); + return errorcode; +} + +static int arg_rex_checkfn(struct arg_rex *parent) +{ + int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0; + //struct privhdr *priv = (struct privhdr*)parent->hdr.priv; + + /* free the regex "program" we constructed in resetfn */ + //regfree(&(priv->regex)); + + /*printf("%s:checkfn(%p) returns %d\n",__FILE__,parent,errorcode);*/ + return errorcode; +} + +static void arg_rex_errorfn(struct arg_rex *parent, + FILE *fp, + int errorcode, + const char *argval, + const char *progname) +{ + const char *shortopts = parent->hdr.shortopts; + const char *longopts = parent->hdr.longopts; + const char *datatype = parent->hdr.datatype; + + /* make argval NULL safe */ + argval = argval ? argval : ""; + + fprintf(fp, "%s: ", progname); + switch(errorcode) + { + case EMINCOUNT: + fputs("missing option ", fp); + arg_print_option(fp, shortopts, longopts, datatype, "\n"); + break; + + case EMAXCOUNT: + fputs("excess option ", fp); + arg_print_option(fp, shortopts, longopts, argval, "\n"); + break; + + case EREGNOMATCH: + fputs("illegal value ", fp); + arg_print_option(fp, shortopts, longopts, argval, "\n"); + break; + + default: + { + //char errbuff[256]; + //regerror(errorcode, NULL, errbuff, sizeof(errbuff)); + //printf("%s\n", errbuff); + } + break; + } +} + + +struct arg_rex * arg_rex0(const char * shortopts, + const char * longopts, + const char * pattern, + const char *datatype, + int flags, + const char *glossary) +{ + return arg_rexn(shortopts, + longopts, + pattern, + datatype, + 0, + 1, + flags, + glossary); +} + +struct arg_rex * arg_rex1(const char * shortopts, + const char * longopts, + const char * pattern, + const char *datatype, + int flags, + const char *glossary) +{ + return arg_rexn(shortopts, + longopts, + pattern, + datatype, + 1, + 1, + flags, + glossary); +} + + +struct arg_rex * arg_rexn(const char * shortopts, + const char * longopts, + const char * pattern, + const char *datatype, + int mincount, + int maxcount, + int flags, + const char *glossary) +{ + size_t nbytes; + struct arg_rex *result; + struct privhdr *priv; + int i; + const TRexChar *error = NULL; + TRex *rex = NULL; + + if (!pattern) + { + printf( + "argtable: ERROR - illegal regular expression pattern \"(NULL)\"\n"); + printf("argtable: Bad argument table.\n"); + return NULL; + } + + /* foolproof things by ensuring maxcount is not less than mincount */ + maxcount = (maxcount < mincount) ? mincount : maxcount; + + nbytes = sizeof(struct arg_rex) /* storage for struct arg_rex */ + + sizeof(struct privhdr) /* storage for private arg_rex data */ + + maxcount * sizeof(char *); /* storage for sval[maxcount] array */ + + result = (struct arg_rex *)malloc(nbytes); + if (result == NULL) + return result; + + /* init the arg_hdr struct */ + result->hdr.flag = ARG_HASVALUE; + result->hdr.shortopts = shortopts; + result->hdr.longopts = longopts; + result->hdr.datatype = datatype ? datatype : pattern; + result->hdr.glossary = glossary; + result->hdr.mincount = mincount; + result->hdr.maxcount = maxcount; + result->hdr.parent = result; + result->hdr.resetfn = (arg_resetfn *)arg_rex_resetfn; + result->hdr.scanfn = (arg_scanfn *)arg_rex_scanfn; + result->hdr.checkfn = (arg_checkfn *)arg_rex_checkfn; + result->hdr.errorfn = (arg_errorfn *)arg_rex_errorfn; + + /* store the arg_rex_priv struct immediately after the arg_rex struct */ + result->hdr.priv = result + 1; + priv = (struct privhdr *)(result->hdr.priv); + priv->pattern = pattern; + priv->flags = flags; + + /* store the sval[maxcount] array immediately after the arg_rex_priv struct */ + result->sval = (const char * *)(priv + 1); + result->count = 0; + + /* foolproof the string pointers by initializing them to reference empty strings */ + for (i = 0; i < maxcount; i++) + result->sval[i] = ""; + + /* here we construct and destroy a regex representation of the regular + * expression for no other reason than to force any regex errors to be + * trapped now rather than later. If we don't, then errors may go undetected + * until an argument is actually parsed. + */ + + rex = trex_compile(priv->pattern, &error, priv->flags); + if (rex == NULL) + { + ARG_LOG(("argtable: %s \"%s\"\n", error ? error : _TREXC("undefined"), priv->pattern)); + ARG_LOG(("argtable: Bad argument table.\n")); + } + + trex_free(rex); + + ARG_TRACE(("arg_rexn() returns %p\n", result)); + return result; +} + + + +/* see copyright notice in trex.h */ +#include +#include +#include +#include + +#ifdef _UINCODE +#define scisprint iswprint +#define scstrlen wcslen +#define scprintf wprintf +#define _SC(x) L(x) +#else +#define scisprint isprint +#define scstrlen strlen +#define scprintf printf +#define _SC(x) (x) +#endif + +#ifdef _DEBUG +#include + +static const TRexChar *g_nnames[] = +{ + _SC("NONE"),_SC("OP_GREEDY"), _SC("OP_OR"), + _SC("OP_EXPR"),_SC("OP_NOCAPEXPR"),_SC("OP_DOT"), _SC("OP_CLASS"), + _SC("OP_CCLASS"),_SC("OP_NCLASS"),_SC("OP_RANGE"),_SC("OP_CHAR"), + _SC("OP_EOL"),_SC("OP_BOL"),_SC("OP_WB") +}; + +#endif +#define OP_GREEDY (MAX_CHAR+1) // * + ? {n} +#define OP_OR (MAX_CHAR+2) +#define OP_EXPR (MAX_CHAR+3) //parentesis () +#define OP_NOCAPEXPR (MAX_CHAR+4) //parentesis (?:) +#define OP_DOT (MAX_CHAR+5) +#define OP_CLASS (MAX_CHAR+6) +#define OP_CCLASS (MAX_CHAR+7) +#define OP_NCLASS (MAX_CHAR+8) //negates class the [^ +#define OP_RANGE (MAX_CHAR+9) +#define OP_CHAR (MAX_CHAR+10) +#define OP_EOL (MAX_CHAR+11) +#define OP_BOL (MAX_CHAR+12) +#define OP_WB (MAX_CHAR+13) + +#define TREX_SYMBOL_ANY_CHAR ('.') +#define TREX_SYMBOL_GREEDY_ONE_OR_MORE ('+') +#define TREX_SYMBOL_GREEDY_ZERO_OR_MORE ('*') +#define TREX_SYMBOL_GREEDY_ZERO_OR_ONE ('?') +#define TREX_SYMBOL_BRANCH ('|') +#define TREX_SYMBOL_END_OF_STRING ('$') +#define TREX_SYMBOL_BEGINNING_OF_STRING ('^') +#define TREX_SYMBOL_ESCAPE_CHAR ('\\') + + +typedef int TRexNodeType; + +typedef struct tagTRexNode{ + TRexNodeType type; + int left; + int right; + int next; +}TRexNode; + +struct TRex{ + const TRexChar *_eol; + const TRexChar *_bol; + const TRexChar *_p; + int _first; + int _op; + TRexNode *_nodes; + int _nallocated; + int _nsize; + int _nsubexpr; + TRexMatch *_matches; + int _currsubexp; + void *_jmpbuf; + const TRexChar **_error; + int _flags; +}; + +static int trex_list(TRex *exp); + +static int trex_newnode(TRex *exp, TRexNodeType type) +{ + TRexNode n; + int newid; + n.type = type; + n.next = n.right = n.left = -1; + if(type == OP_EXPR) + n.right = exp->_nsubexpr++; + if(exp->_nallocated < (exp->_nsize + 1)) { + exp->_nallocated *= 2; + exp->_nodes = (TRexNode *)realloc(exp->_nodes, exp->_nallocated * sizeof(TRexNode)); + } + exp->_nodes[exp->_nsize++] = n; + newid = exp->_nsize - 1; + return (int)newid; +} + +static void trex_error(TRex *exp,const TRexChar *error) +{ + if(exp->_error) *exp->_error = error; + longjmp(*((jmp_buf*)exp->_jmpbuf),-1); +} + +static void trex_expect(TRex *exp, int n){ + if((*exp->_p) != n) + trex_error(exp, _SC("expected paren")); + exp->_p++; +} + +static TRexChar trex_escapechar(TRex *exp) +{ + if(*exp->_p == TREX_SYMBOL_ESCAPE_CHAR){ + exp->_p++; + switch(*exp->_p) { + case 'v': exp->_p++; return '\v'; + case 'n': exp->_p++; return '\n'; + case 't': exp->_p++; return '\t'; + case 'r': exp->_p++; return '\r'; + case 'f': exp->_p++; return '\f'; + default: return (*exp->_p++); + } + } else if(!scisprint(*exp->_p)) trex_error(exp,_SC("letter expected")); + return (*exp->_p++); +} + +static int trex_charclass(TRex *exp,int classid) +{ + int n = trex_newnode(exp,OP_CCLASS); + exp->_nodes[n].left = classid; + return n; +} + +static int trex_charnode(TRex *exp,TRexBool isclass) +{ + TRexChar t; + if(*exp->_p == TREX_SYMBOL_ESCAPE_CHAR) { + exp->_p++; + switch(*exp->_p) { + case 'n': exp->_p++; return trex_newnode(exp,'\n'); + case 't': exp->_p++; return trex_newnode(exp,'\t'); + case 'r': exp->_p++; return trex_newnode(exp,'\r'); + case 'f': exp->_p++; return trex_newnode(exp,'\f'); + case 'v': exp->_p++; return trex_newnode(exp,'\v'); + case 'a': case 'A': case 'w': case 'W': case 's': case 'S': + case 'd': case 'D': case 'x': case 'X': case 'c': case 'C': + case 'p': case 'P': case 'l': case 'u': + { + t = *exp->_p; exp->_p++; + return trex_charclass(exp,t); + } + case 'b': + case 'B': + if(!isclass) { + int node = trex_newnode(exp,OP_WB); + exp->_nodes[node].left = *exp->_p; + exp->_p++; + return node; + } //else default + default: + t = *exp->_p; exp->_p++; + return trex_newnode(exp,t); + } + } + else if(!scisprint(*exp->_p)) { + + trex_error(exp,_SC("letter expected")); + } + t = *exp->_p; exp->_p++; + return trex_newnode(exp,t); +} +static int trex_class(TRex *exp) +{ + int ret = -1; + int first = -1,chain; + if(*exp->_p == TREX_SYMBOL_BEGINNING_OF_STRING){ + ret = trex_newnode(exp,OP_NCLASS); + exp->_p++; + }else ret = trex_newnode(exp,OP_CLASS); + + if(*exp->_p == ']') trex_error(exp,_SC("empty class")); + chain = ret; + while(*exp->_p != ']' && exp->_p != exp->_eol) { + if(*exp->_p == '-' && first != -1){ + int r,t; + if(*exp->_p++ == ']') trex_error(exp,_SC("unfinished range")); + r = trex_newnode(exp,OP_RANGE); + if(first>*exp->_p) trex_error(exp,_SC("invalid range")); + if(exp->_nodes[first].type == OP_CCLASS) trex_error(exp,_SC("cannot use character classes in ranges")); + exp->_nodes[r].left = exp->_nodes[first].type; + t = trex_escapechar(exp); + exp->_nodes[r].right = t; + exp->_nodes[chain].next = r; + chain = r; + first = -1; + } + else{ + if(first!=-1){ + int c = first; + exp->_nodes[chain].next = c; + chain = c; + first = trex_charnode(exp,TRex_True); + } + else{ + first = trex_charnode(exp,TRex_True); + } + } + } + if(first!=-1){ + int c = first; + exp->_nodes[chain].next = c; + chain = c; + first = -1; + } + /* hack? */ + exp->_nodes[ret].left = exp->_nodes[ret].next; + exp->_nodes[ret].next = -1; + return ret; +} + +static int trex_parsenumber(TRex *exp) +{ + int ret = *exp->_p-'0'; + int positions = 10; + exp->_p++; + while(isdigit(*exp->_p)) { + ret = ret*10+(*exp->_p++-'0'); + if(positions==1000000000) trex_error(exp,_SC("overflow in numeric constant")); + positions *= 10; + }; + return ret; +} + +static int trex_element(TRex *exp) +{ + int ret = -1; + switch(*exp->_p) + { + case '(': { + int expr,newn; + exp->_p++; + + + if(*exp->_p =='?') { + exp->_p++; + trex_expect(exp,':'); + expr = trex_newnode(exp,OP_NOCAPEXPR); + } + else + expr = trex_newnode(exp,OP_EXPR); + newn = trex_list(exp); + exp->_nodes[expr].left = newn; + ret = expr; + trex_expect(exp,')'); + } + break; + case '[': + exp->_p++; + ret = trex_class(exp); + trex_expect(exp,']'); + break; + case TREX_SYMBOL_END_OF_STRING: exp->_p++; ret = trex_newnode(exp,OP_EOL);break; + case TREX_SYMBOL_ANY_CHAR: exp->_p++; ret = trex_newnode(exp,OP_DOT);break; + default: + ret = trex_charnode(exp,TRex_False); + break; + } + + { + TRexBool isgreedy = TRex_False; + unsigned short p0 = 0, p1 = 0; + switch(*exp->_p){ + case TREX_SYMBOL_GREEDY_ZERO_OR_MORE: p0 = 0; p1 = 0xFFFF; exp->_p++; isgreedy = TRex_True; break; + case TREX_SYMBOL_GREEDY_ONE_OR_MORE: p0 = 1; p1 = 0xFFFF; exp->_p++; isgreedy = TRex_True; break; + case TREX_SYMBOL_GREEDY_ZERO_OR_ONE: p0 = 0; p1 = 1; exp->_p++; isgreedy = TRex_True; break; + case '{': + exp->_p++; + if(!isdigit(*exp->_p)) trex_error(exp,_SC("number expected")); + p0 = (unsigned short)trex_parsenumber(exp); + /*******************************/ + switch(*exp->_p) { + case '}': + p1 = p0; exp->_p++; + break; + case ',': + exp->_p++; + p1 = 0xFFFF; + if(isdigit(*exp->_p)){ + p1 = (unsigned short)trex_parsenumber(exp); + } + trex_expect(exp,'}'); + break; + default: + trex_error(exp,_SC(", or } expected")); + } + /*******************************/ + isgreedy = TRex_True; + break; + + } + if(isgreedy) { + int nnode = trex_newnode(exp,OP_GREEDY); + exp->_nodes[nnode].left = ret; + exp->_nodes[nnode].right = ((p0)<<16)|p1; + ret = nnode; + } + } + if((*exp->_p != TREX_SYMBOL_BRANCH) && (*exp->_p != ')') && (*exp->_p != TREX_SYMBOL_GREEDY_ZERO_OR_MORE) && (*exp->_p != TREX_SYMBOL_GREEDY_ONE_OR_MORE) && (*exp->_p != '\0')) { + int nnode = trex_element(exp); + exp->_nodes[ret].next = nnode; + } + + return ret; +} + +static int trex_list(TRex *exp) +{ + int ret=-1,e; + if(*exp->_p == TREX_SYMBOL_BEGINNING_OF_STRING) { + exp->_p++; + ret = trex_newnode(exp,OP_BOL); + } + e = trex_element(exp); + if(ret != -1) { + exp->_nodes[ret].next = e; + } + else ret = e; + + if(*exp->_p == TREX_SYMBOL_BRANCH) { + int temp,tright; + exp->_p++; + temp = trex_newnode(exp,OP_OR); + exp->_nodes[temp].left = ret; + tright = trex_list(exp); + exp->_nodes[temp].right = tright; + ret = temp; + } + return ret; +} + +static TRexBool trex_matchcclass(int cclass,TRexChar c) +{ + switch(cclass) { + case 'a': return isalpha(c)?TRex_True:TRex_False; + case 'A': return !isalpha(c)?TRex_True:TRex_False; + case 'w': return (isalnum(c) || c == '_')?TRex_True:TRex_False; + case 'W': return (!isalnum(c) && c != '_')?TRex_True:TRex_False; + case 's': return ISSPACE(c)?TRex_True:TRex_False; + case 'S': return !ISSPACE(c)?TRex_True:TRex_False; + case 'd': return isdigit(c)?TRex_True:TRex_False; + case 'D': return !isdigit(c)?TRex_True:TRex_False; + case 'x': return isxdigit(c)?TRex_True:TRex_False; + case 'X': return !isxdigit(c)?TRex_True:TRex_False; + case 'c': return iscntrl(c)?TRex_True:TRex_False; + case 'C': return !iscntrl(c)?TRex_True:TRex_False; + case 'p': return ispunct(c)?TRex_True:TRex_False; + case 'P': return !ispunct(c)?TRex_True:TRex_False; + case 'l': return islower(c)?TRex_True:TRex_False; + case 'u': return isupper(c)?TRex_True:TRex_False; + } + return TRex_False; /*cannot happen*/ +} + +static TRexBool trex_matchclass(TRex* exp,TRexNode *node,TRexChar c) +{ + do { + switch(node->type) { + case OP_RANGE: + if (exp->_flags & TREX_ICASE) + { + if(c >= toupper(node->left) && c <= toupper(node->right)) return TRex_True; + if(c >= tolower(node->left) && c <= tolower(node->right)) return TRex_True; + } + else + { + if(c >= node->left && c <= node->right) return TRex_True; + } + break; + case OP_CCLASS: + if(trex_matchcclass(node->left,c)) return TRex_True; + break; + default: + if (exp->_flags & TREX_ICASE) + { + if (c == tolower(node->type) || c == toupper(node->type)) return TRex_True; + } + else + { + if(c == node->type)return TRex_True; + } + + } + } while((node->next != -1) && (node = &exp->_nodes[node->next])); + return TRex_False; +} + +static const TRexChar *trex_matchnode(TRex* exp,TRexNode *node,const TRexChar *str,TRexNode *next) +{ + + TRexNodeType type = node->type; + switch(type) { + case OP_GREEDY: { + //TRexNode *greedystop = (node->next != -1) ? &exp->_nodes[node->next] : NULL; + TRexNode *greedystop = NULL; + int p0 = (node->right >> 16)&0x0000FFFF, p1 = node->right&0x0000FFFF, nmaches = 0; + const TRexChar *s=str, *good = str; + + if(node->next != -1) { + greedystop = &exp->_nodes[node->next]; + } + else { + greedystop = next; + } + + while((nmaches == 0xFFFF || nmaches < p1)) { + + const TRexChar *stop; + if(!(s = trex_matchnode(exp,&exp->_nodes[node->left],s,greedystop))) + break; + nmaches++; + good=s; + if(greedystop) { + //checks that 0 matches satisfy the expression(if so skips) + //if not would always stop(for instance if is a '?') + if(greedystop->type != OP_GREEDY || + (greedystop->type == OP_GREEDY && ((greedystop->right >> 16)&0x0000FFFF) != 0)) + { + TRexNode *gnext = NULL; + if(greedystop->next != -1) { + gnext = &exp->_nodes[greedystop->next]; + }else if(next && next->next != -1){ + gnext = &exp->_nodes[next->next]; + } + stop = trex_matchnode(exp,greedystop,s,gnext); + if(stop) { + //if satisfied stop it + if(p0 == p1 && p0 == nmaches) break; + else if(nmaches >= p0 && p1 == 0xFFFF) break; + else if(nmaches >= p0 && nmaches <= p1) break; + } + } + } + + if(s >= exp->_eol) + break; + } + if(p0 == p1 && p0 == nmaches) return good; + else if(nmaches >= p0 && p1 == 0xFFFF) return good; + else if(nmaches >= p0 && nmaches <= p1) return good; + return NULL; + } + case OP_OR: { + const TRexChar *asd = str; + TRexNode *temp=&exp->_nodes[node->left]; + while( (asd = trex_matchnode(exp,temp,asd,NULL)) ) { + if(temp->next != -1) + temp = &exp->_nodes[temp->next]; + else + return asd; + } + asd = str; + temp = &exp->_nodes[node->right]; + while( (asd = trex_matchnode(exp,temp,asd,NULL)) ) { + if(temp->next != -1) + temp = &exp->_nodes[temp->next]; + else + return asd; + } + return NULL; + break; + } + case OP_EXPR: + case OP_NOCAPEXPR:{ + TRexNode *n = &exp->_nodes[node->left]; + const TRexChar *cur = str; + int capture = -1; + if(node->type != OP_NOCAPEXPR && node->right == exp->_currsubexp) { + capture = exp->_currsubexp; + exp->_matches[capture].begin = cur; + exp->_currsubexp++; + } + + do { + TRexNode *subnext = NULL; + if(n->next != -1) { + subnext = &exp->_nodes[n->next]; + }else { + subnext = next; + } + if(!(cur = trex_matchnode(exp,n,cur,subnext))) { + if(capture != -1){ + exp->_matches[capture].begin = 0; + exp->_matches[capture].len = 0; + } + return NULL; + } + } while((n->next != -1) && (n = &exp->_nodes[n->next])); + + if(capture != -1) + exp->_matches[capture].len = (int)(cur - exp->_matches[capture].begin); + return cur; + } + case OP_WB: + if((str == exp->_bol && !ISSPACE(*str)) + || ((str == exp->_eol && !ISSPACE(*(str-1)))) + || ((!ISSPACE(*str) && ISSPACE(*(str+1)))) + || ((ISSPACE(*str) && !ISSPACE(*(str+1)))) ) { + return (node->left == 'b')?str:NULL; + } + return (node->left == 'b')?NULL:str; + case OP_BOL: + if(str == exp->_bol) return str; + return NULL; + case OP_EOL: + if(str == exp->_eol) return str; + return NULL; + case OP_DOT: + str++; + return str; + case OP_NCLASS: + case OP_CLASS: + if(trex_matchclass(exp,&exp->_nodes[node->left],*str)?(type == OP_CLASS?TRex_True:TRex_False):(type == OP_NCLASS?TRex_True:TRex_False)) { + str++; + return str; + } + return NULL; + case OP_CCLASS: + if(trex_matchcclass(node->left,*str)) { + str++; + return str; + } + return NULL; + default: /* char */ + if (exp->_flags & TREX_ICASE) + { + if(*str != tolower(node->type) && *str != toupper(node->type)) return NULL; + } + else + { + if (*str != node->type) return NULL; + } + str++; + return str; + } + return NULL; +} + +/* public api */ +TRex *trex_compile(const TRexChar *pattern,const TRexChar **error,int flags) +{ + TRex *exp = (TRex *)malloc(sizeof(TRex)); + exp->_eol = exp->_bol = NULL; + exp->_p = pattern; + exp->_nallocated = (int)scstrlen(pattern) * sizeof(TRexChar); + exp->_nodes = (TRexNode *)malloc(exp->_nallocated * sizeof(TRexNode)); + exp->_nsize = 0; + exp->_matches = 0; + exp->_nsubexpr = 0; + exp->_first = trex_newnode(exp,OP_EXPR); + exp->_error = error; + exp->_jmpbuf = malloc(sizeof(jmp_buf)); + exp->_flags = flags; + if(setjmp(*((jmp_buf*)exp->_jmpbuf)) == 0) { + int res = trex_list(exp); + exp->_nodes[exp->_first].left = res; + if(*exp->_p!='\0') + trex_error(exp,_SC("unexpected character")); +#ifdef _DEBUG + { + int nsize,i; + TRexNode *t; + nsize = exp->_nsize; + t = &exp->_nodes[0]; + scprintf(_SC("\n")); + for(i = 0;i < nsize; i++) { + if(exp->_nodes[i].type>MAX_CHAR) + scprintf(_SC("[%02d] %10s "),i,g_nnames[exp->_nodes[i].type-MAX_CHAR]); + else + scprintf(_SC("[%02d] %10c "),i,exp->_nodes[i].type); + scprintf(_SC("left %02d right %02d next %02d\n"),exp->_nodes[i].left,exp->_nodes[i].right,exp->_nodes[i].next); + } + scprintf(_SC("\n")); + } +#endif + exp->_matches = (TRexMatch *) malloc(exp->_nsubexpr * sizeof(TRexMatch)); + memset(exp->_matches,0,exp->_nsubexpr * sizeof(TRexMatch)); + } + else{ + trex_free(exp); + return NULL; + } + return exp; +} + +void trex_free(TRex *exp) +{ + if(exp) { + if(exp->_nodes) free(exp->_nodes); + if(exp->_jmpbuf) free(exp->_jmpbuf); + if(exp->_matches) free(exp->_matches); + free(exp); + } +} + +TRexBool trex_match(TRex* exp,const TRexChar* text) +{ + const TRexChar* res = NULL; + exp->_bol = text; + exp->_eol = text + scstrlen(text); + exp->_currsubexp = 0; + res = trex_matchnode(exp,exp->_nodes,text,NULL); + if(res == NULL || res != exp->_eol) + return TRex_False; + return TRex_True; +} + +TRexBool trex_searchrange(TRex* exp,const TRexChar* text_begin,const TRexChar* text_end,const TRexChar** out_begin, const TRexChar** out_end) +{ + const TRexChar *cur = NULL; + int node = exp->_first; + if(text_begin >= text_end) return TRex_False; + exp->_bol = text_begin; + exp->_eol = text_end; + do { + cur = text_begin; + while(node != -1) { + exp->_currsubexp = 0; + cur = trex_matchnode(exp,&exp->_nodes[node],cur,NULL); + if(!cur) + break; + node = exp->_nodes[node].next; + } + text_begin++; + } while(cur == NULL && text_begin != text_end); + + if(cur == NULL) + return TRex_False; + + --text_begin; + + if(out_begin) *out_begin = text_begin; + if(out_end) *out_end = cur; + return TRex_True; +} + +TRexBool trex_search(TRex* exp,const TRexChar* text, const TRexChar** out_begin, const TRexChar** out_end) +{ + return trex_searchrange(exp,text,text + scstrlen(text),out_begin,out_end); +} + +int trex_getsubexpcount(TRex* exp) +{ + return exp->_nsubexpr; +} + +TRexBool trex_getsubexp(TRex* exp, int n, TRexMatch *subexp) +{ + if( n<0 || n >= exp->_nsubexpr) return TRex_False; + *subexp = exp->_matches[n]; + return TRex_True; +} +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include + +#include "argtable3.h" + + +static void arg_str_resetfn(struct arg_str *parent) +{ + ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent)); + parent->count = 0; +} + + +static int arg_str_scanfn(struct arg_str *parent, const char *argval) +{ + int errorcode = 0; + + if (parent->count == parent->hdr.maxcount) + { + /* maximum number of arguments exceeded */ + errorcode = EMAXCOUNT; + } + else if (!argval) + { + /* a valid argument with no argument value was given. */ + /* This happens when an optional argument value was invoked. */ + /* leave parent arguiment value unaltered but still count the argument. */ + parent->count++; + } + else + { + parent->sval[parent->count++] = argval; + } + + ARG_TRACE(("%s:scanfn(%p) returns %d\n", __FILE__, parent, errorcode)); + return errorcode; +} + + +static int arg_str_checkfn(struct arg_str *parent) +{ + int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0; + + ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode)); + return errorcode; +} + + +static void arg_str_errorfn( + struct arg_str *parent, + FILE *fp, + int errorcode, + const char *argval, + const char *progname) +{ + const char *shortopts = parent->hdr.shortopts; + const char *longopts = parent->hdr.longopts; + const char *datatype = parent->hdr.datatype; + + /* make argval NULL safe */ + argval = argval ? argval : ""; + + fprintf(fp, "%s: ", progname); + switch(errorcode) + { + case EMINCOUNT: + fputs("missing option ", fp); + arg_print_option(fp, shortopts, longopts, datatype, "\n"); + break; + + case EMAXCOUNT: + fputs("excess option ", fp); + arg_print_option(fp, shortopts, longopts, argval, "\n"); + break; + } +} + + +struct arg_str * arg_str0( + const char *shortopts, + const char *longopts, + const char *datatype, + const char *glossary) +{ + return arg_strn(shortopts, longopts, datatype, 0, 1, glossary); +} + + +struct arg_str * arg_str1( + const char *shortopts, + const char *longopts, + const char *datatype, + const char *glossary) +{ + return arg_strn(shortopts, longopts, datatype, 1, 1, glossary); +} + + +struct arg_str * arg_strn( + const char *shortopts, + const char *longopts, + const char *datatype, + int mincount, + int maxcount, + const char *glossary) +{ + size_t nbytes; + struct arg_str *result; + + /* should not allow this stupid error */ + /* we should return an error code warning this logic error */ + /* foolproof things by ensuring maxcount is not less than mincount */ + maxcount = (maxcount < mincount) ? mincount : maxcount; + + nbytes = sizeof(struct arg_str) /* storage for struct arg_str */ + + maxcount * sizeof(char *); /* storage for sval[maxcount] array */ + + result = (struct arg_str *)malloc(nbytes); + if (result) + { + int i; + + /* init the arg_hdr struct */ + result->hdr.flag = ARG_HASVALUE; + result->hdr.shortopts = shortopts; + result->hdr.longopts = longopts; + result->hdr.datatype = datatype ? datatype : ""; + result->hdr.glossary = glossary; + result->hdr.mincount = mincount; + result->hdr.maxcount = maxcount; + result->hdr.parent = result; + result->hdr.resetfn = (arg_resetfn *)arg_str_resetfn; + result->hdr.scanfn = (arg_scanfn *)arg_str_scanfn; + result->hdr.checkfn = (arg_checkfn *)arg_str_checkfn; + result->hdr.errorfn = (arg_errorfn *)arg_str_errorfn; + + /* store the sval[maxcount] array immediately after the arg_str struct */ + result->sval = (const char * *)(result + 1); + result->count = 0; + + /* foolproof the string pointers by initialising them to reference empty strings */ + for (i = 0; i < maxcount; i++) + result->sval[i] = ""; + } + + ARG_TRACE(("arg_strn() returns %p\n", result)); + return result; +} +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#include +#include +#include +#include + +#include "argtable3.h" + +static +void arg_register_error(struct arg_end *end, + void *parent, + int error, + const char *argval) +{ + /* printf("arg_register_error(%p,%p,%d,%s)\n",end,parent,error,argval); */ + if (end->count < end->hdr.maxcount) + { + end->error[end->count] = error; + end->parent[end->count] = parent; + end->argval[end->count] = argval; + end->count++; + } + else + { + end->error[end->hdr.maxcount - 1] = ARG_ELIMIT; + end->parent[end->hdr.maxcount - 1] = end; + end->argval[end->hdr.maxcount - 1] = NULL; + } +} + + +/* + * Return index of first table entry with a matching short option + * or -1 if no match was found. + */ +static +int find_shortoption(struct arg_hdr * *table, char shortopt) +{ + int tabindex; + for(tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++) + { + if (table[tabindex]->shortopts && + strchr(table[tabindex]->shortopts, shortopt)) + return tabindex; + } + return -1; +} + + +struct longoptions +{ + int getoptval; + int noptions; + struct option *options; +}; + +#if 0 +static +void dump_longoptions(struct longoptions * longoptions) +{ + int i; + printf("getoptval = %d\n", longoptions->getoptval); + printf("noptions = %d\n", longoptions->noptions); + for (i = 0; i < longoptions->noptions; i++) + { + printf("options[%d].name = \"%s\"\n", + i, + longoptions->options[i].name); + printf("options[%d].has_arg = %d\n", i, longoptions->options[i].has_arg); + printf("options[%d].flag = %p\n", i, longoptions->options[i].flag); + printf("options[%d].val = %d\n", i, longoptions->options[i].val); + } +} +#endif + +static +struct longoptions * alloc_longoptions(struct arg_hdr * *table) +{ + struct longoptions *result; + size_t nbytes; + int noptions = 1; + size_t longoptlen = 0; + int tabindex; + + /* + * Determine the total number of option structs required + * by counting the number of comma separated long options + * in all table entries and return the count in noptions. + * note: noptions starts at 1 not 0 because we getoptlong + * requires a NULL option entry to terminate the option array. + * While we are at it, count the number of chars required + * to store private copies of all the longoption strings + * and return that count in logoptlen. + */ + tabindex = 0; + do + { + const char *longopts = table[tabindex]->longopts; + longoptlen += (longopts ? strlen(longopts) : 0) + 1; + while (longopts) + { + noptions++; + longopts = strchr(longopts + 1, ','); + } + } while(!(table[tabindex++]->flag & ARG_TERMINATOR)); + /*printf("%d long options consuming %d chars in total\n",noptions,longoptlen);*/ + + + /* allocate storage for return data structure as: */ + /* (struct longoptions) + (struct options)[noptions] + char[longoptlen] */ + nbytes = sizeof(struct longoptions) + + sizeof(struct option) * noptions + + longoptlen; + result = (struct longoptions *)malloc(nbytes); + if (result) + { + int option_index = 0; + char *store; + + result->getoptval = 0; + result->noptions = noptions; + result->options = (struct option *)(result + 1); + store = (char *)(result->options + noptions); + + for(tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++) + { + const char *longopts = table[tabindex]->longopts; + + while(longopts && *longopts) + { + char *storestart = store; + + /* copy progressive longopt strings into the store */ + while (*longopts != 0 && *longopts != ',') + *store++ = *longopts++; + *store++ = 0; + if (*longopts == ',') + longopts++; + /*fprintf(stderr,"storestart=\"%s\"\n",storestart);*/ + + result->options[option_index].name = storestart; + result->options[option_index].flag = &(result->getoptval); + result->options[option_index].val = tabindex; + if (table[tabindex]->flag & ARG_HASOPTVALUE) + result->options[option_index].has_arg = 2; + else if (table[tabindex]->flag & ARG_HASVALUE) + result->options[option_index].has_arg = 1; + else + result->options[option_index].has_arg = 0; + + option_index++; + } + } + /* terminate the options array with a zero-filled entry */ + result->options[option_index].name = 0; + result->options[option_index].has_arg = 0; + result->options[option_index].flag = 0; + result->options[option_index].val = 0; + } + + /*dump_longoptions(result);*/ + return result; +} + +static +char * alloc_shortoptions(struct arg_hdr * *table) +{ + char *result; + size_t len = 2; + int tabindex; + + /* determine the total number of option chars required */ + for(tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++) + { + struct arg_hdr *hdr = table[tabindex]; + len += 3 * (hdr->shortopts ? strlen(hdr->shortopts) : 0); + } + + result = malloc(len); + if (result) + { + char *res = result; + + /* add a leading ':' so getopt return codes distinguish */ + /* unrecognised option and options missing argument values */ + *res++ = ':'; + + for(tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++) + { + struct arg_hdr *hdr = table[tabindex]; + const char *shortopts = hdr->shortopts; + while(shortopts && *shortopts) + { + *res++ = *shortopts++; + if (hdr->flag & ARG_HASVALUE) + *res++ = ':'; + if (hdr->flag & ARG_HASOPTVALUE) + *res++ = ':'; + } + } + /* null terminate the string */ + *res = 0; + } + + /*printf("alloc_shortoptions() returns \"%s\"\n",(result?result:"NULL"));*/ + return result; +} + + +/* return index of the table terminator entry */ +static +int arg_endindex(struct arg_hdr * *table) +{ + int tabindex = 0; + while (!(table[tabindex]->flag & ARG_TERMINATOR)) + tabindex++; + return tabindex; +} + + +static +void arg_parse_tagged(int argc, + char * *argv, + struct arg_hdr * *table, + struct arg_end *endtable) +{ + struct longoptions *longoptions; + char *shortoptions; + int copt; + + /*printf("arg_parse_tagged(%d,%p,%p,%p)\n",argc,argv,table,endtable);*/ + + /* allocate short and long option arrays for the given opttable[]. */ + /* if the allocs fail then put an error msg in the last table entry. */ + longoptions = alloc_longoptions(table); + shortoptions = alloc_shortoptions(table); + if (!longoptions || !shortoptions) + { + /* one or both memory allocs failed */ + arg_register_error(endtable, endtable, ARG_EMALLOC, NULL); + /* free anything that was allocated (this is null safe) */ + free(shortoptions); + free(longoptions); + return; + } + + /*dump_longoptions(longoptions);*/ + + /* reset getopts internal option-index to zero, and disable error reporting */ + optind = 0; + opterr = 0; + + /* fetch and process args using getopt_long */ + while( (copt = + getopt_long(argc, argv, shortoptions, longoptions->options, + NULL)) != -1) + { + /* + printf("optarg='%s'\n",optarg); + printf("optind=%d\n",optind); + printf("copt=%c\n",(char)copt); + printf("optopt=%c (%d)\n",optopt, (int)(optopt)); + */ + switch(copt) + { + case 0: + { + int tabindex = longoptions->getoptval; + void *parent = table[tabindex]->parent; + /*printf("long option detected from argtable[%d]\n", tabindex);*/ + if (optarg && optarg[0] == 0 && + (table[tabindex]->flag & ARG_HASVALUE)) + { + /* printf(": long option %s requires an argument\n",argv[optind-1]); */ + arg_register_error(endtable, endtable, ARG_EMISSARG, + argv[optind - 1]); + /* continue to scan the (empty) argument value to enforce argument count checking */ + } + if (table[tabindex]->scanfn) + { + int errorcode = table[tabindex]->scanfn(parent, optarg); + if (errorcode != 0) + arg_register_error(endtable, parent, errorcode, optarg); + } + } + break; + + case '?': + /* + * getopt_long() found an unrecognised short option. + * if it was a short option its value is in optopt + * if it was a long option then optopt=0 + */ + switch (optopt) + { + case 0: + /*printf("?0 unrecognised long option %s\n",argv[optind-1]);*/ + arg_register_error(endtable, endtable, ARG_ELONGOPT, + argv[optind - 1]); + break; + default: + /*printf("?* unrecognised short option '%c'\n",optopt);*/ + arg_register_error(endtable, endtable, optopt, NULL); + break; + } + break; + + case ':': + /* + * getopt_long() found an option with its argument missing. + */ + /*printf(": option %s requires an argument\n",argv[optind-1]); */ + arg_register_error(endtable, endtable, ARG_EMISSARG, + argv[optind - 1]); + break; + + default: + { + /* getopt_long() found a valid short option */ + int tabindex = find_shortoption(table, (char)copt); + /*printf("short option detected from argtable[%d]\n", tabindex);*/ + if (tabindex == -1) + { + /* should never get here - but handle it just in case */ + /*printf("unrecognised short option %d\n",copt);*/ + arg_register_error(endtable, endtable, copt, NULL); + } + else + { + if (table[tabindex]->scanfn) + { + void *parent = table[tabindex]->parent; + int errorcode = table[tabindex]->scanfn(parent, optarg); + if (errorcode != 0) + arg_register_error(endtable, parent, errorcode, optarg); + } + } + break; + } + } + } + + free(shortoptions); + free(longoptions); +} + + +static +void arg_parse_untagged(int argc, + char * *argv, + struct arg_hdr * *table, + struct arg_end *endtable) +{ + int tabindex = 0; + int errorlast = 0; + const char *optarglast = NULL; + void *parentlast = NULL; + + /*printf("arg_parse_untagged(%d,%p,%p,%p)\n",argc,argv,table,endtable);*/ + while (!(table[tabindex]->flag & ARG_TERMINATOR)) + { + void *parent; + int errorcode; + + /* if we have exhausted our argv[optind] entries then we have finished */ + if (optind >= argc) + { + /*printf("arg_parse_untagged(): argv[] exhausted\n");*/ + return; + } + + /* skip table entries with non-null long or short options (they are not untagged entries) */ + if (table[tabindex]->longopts || table[tabindex]->shortopts) + { + /*printf("arg_parse_untagged(): skipping argtable[%d] (tagged argument)\n",tabindex);*/ + tabindex++; + continue; + } + + /* skip table entries with NULL scanfn */ + if (!(table[tabindex]->scanfn)) + { + /*printf("arg_parse_untagged(): skipping argtable[%d] (NULL scanfn)\n",tabindex);*/ + tabindex++; + continue; + } + + /* attempt to scan the current argv[optind] with the current */ + /* table[tabindex] entry. If it succeeds then keep it, otherwise */ + /* try again with the next table[] entry. */ + parent = table[tabindex]->parent; + errorcode = table[tabindex]->scanfn(parent, argv[optind]); + if (errorcode == 0) + { + /* success, move onto next argv[optind] but stay with same table[tabindex] */ + /*printf("arg_parse_untagged(): argtable[%d] successfully matched\n",tabindex);*/ + optind++; + + /* clear the last tentative error */ + errorlast = 0; + } + else + { + /* failure, try same argv[optind] with next table[tabindex] entry */ + /*printf("arg_parse_untagged(): argtable[%d] failed match\n",tabindex);*/ + tabindex++; + + /* remember this as a tentative error we may wish to reinstate later */ + errorlast = errorcode; + optarglast = argv[optind]; + parentlast = parent; + } + + } + + /* if a tenative error still remains at this point then register it as a proper error */ + if (errorlast) + { + arg_register_error(endtable, parentlast, errorlast, optarglast); + optind++; + } + + /* only get here when not all argv[] entries were consumed */ + /* register an error for each unused argv[] entry */ + while (optind < argc) + { + /*printf("arg_parse_untagged(): argv[%d]=\"%s\" not consumed\n",optind,argv[optind]);*/ + arg_register_error(endtable, endtable, ARG_ENOMATCH, argv[optind++]); + } + + return; +} + + +static +void arg_parse_check(struct arg_hdr * *table, struct arg_end *endtable) +{ + int tabindex = 0; + /* printf("arg_parse_check()\n"); */ + do + { + if (table[tabindex]->checkfn) + { + void *parent = table[tabindex]->parent; + int errorcode = table[tabindex]->checkfn(parent); + if (errorcode != 0) + arg_register_error(endtable, parent, errorcode, NULL); + } + } while(!(table[tabindex++]->flag & ARG_TERMINATOR)); +} + + +static +void arg_reset(void * *argtable) +{ + struct arg_hdr * *table = (struct arg_hdr * *)argtable; + int tabindex = 0; + /*printf("arg_reset(%p)\n",argtable);*/ + do + { + if (table[tabindex]->resetfn) + table[tabindex]->resetfn(table[tabindex]->parent); + } while(!(table[tabindex++]->flag & ARG_TERMINATOR)); +} + + +int arg_parse(int argc, char * *argv, void * *argtable) +{ + struct arg_hdr * *table = (struct arg_hdr * *)argtable; + struct arg_end *endtable; + int endindex; + char * *argvcopy = NULL; + + /*printf("arg_parse(%d,%p,%p)\n",argc,argv,argtable);*/ + + /* reset any argtable data from previous invocations */ + arg_reset(argtable); + + /* locate the first end-of-table marker within the array */ + endindex = arg_endindex(table); + endtable = (struct arg_end *)table[endindex]; + + /* Special case of argc==0. This can occur on Texas Instruments DSP. */ + /* Failure to trap this case results in an unwanted NULL result from */ + /* the malloc for argvcopy (next code block). */ + if (argc == 0) + { + /* We must still perform post-parse checks despite the absence of command line arguments */ + arg_parse_check(table, endtable); + + /* Now we are finished */ + return endtable->count; + } + + argvcopy = (char **)malloc(sizeof(char *) * (argc + 1)); + if (argvcopy) + { + int i; + + /* + Fill in the local copy of argv[]. We need a local copy + because getopt rearranges argv[] which adversely affects + susbsequent parsing attempts. + */ + for (i = 0; i < argc; i++) + argvcopy[i] = argv[i]; + + argvcopy[argc] = NULL; + + /* parse the command line (local copy) for tagged options */ + arg_parse_tagged(argc, argvcopy, table, endtable); + + /* parse the command line (local copy) for untagged options */ + arg_parse_untagged(argc, argvcopy, table, endtable); + + /* if no errors so far then perform post-parse checks otherwise dont bother */ + if (endtable->count == 0) + arg_parse_check(table, endtable); + + /* release the local copt of argv[] */ + free(argvcopy); + } + else + { + /* memory alloc failed */ + arg_register_error(endtable, endtable, ARG_EMALLOC, NULL); + } + + return endtable->count; +} + + +/* + * Concatenate contents of src[] string onto *pdest[] string. + * The *pdest pointer is altered to point to the end of the + * target string and *pndest is decremented by the same number + * of chars. + * Does not append more than *pndest chars into *pdest[] + * so as to prevent buffer overruns. + * Its something like strncat() but more efficient for repeated + * calls on the same destination string. + * Example of use: + * char dest[30] = "good" + * size_t ndest = sizeof(dest); + * char *pdest = dest; + * arg_char(&pdest,"bye ",&ndest); + * arg_char(&pdest,"cruel ",&ndest); + * arg_char(&pdest,"world!",&ndest); + * Results in: + * dest[] == "goodbye cruel world!" + * ndest == 10 + */ +static +void arg_cat(char * *pdest, const char *src, size_t *pndest) +{ + char *dest = *pdest; + char *end = dest + *pndest; + + /*locate null terminator of dest string */ + while(dest < end && *dest != 0) + dest++; + + /* concat src string to dest string */ + while(dest < end && *src != 0) + *dest++ = *src++; + + /* null terminate dest string */ + *dest = 0; + + /* update *pdest and *pndest */ + *pndest = end - dest; + *pdest = dest; +} + + +static +void arg_cat_option(char *dest, + size_t ndest, + const char *shortopts, + const char *longopts, + const char *datatype, + int optvalue) +{ + if (shortopts) + { + char option[3]; + + /* note: option array[] is initialiazed dynamically here to satisfy */ + /* a deficiency in the watcom compiler wrt static array initializers. */ + option[0] = '-'; + option[1] = shortopts[0]; + option[2] = 0; + + arg_cat(&dest, option, &ndest); + if (datatype) + { + arg_cat(&dest, " ", &ndest); + if (optvalue) + { + arg_cat(&dest, "[", &ndest); + arg_cat(&dest, datatype, &ndest); + arg_cat(&dest, "]", &ndest); + } + else + arg_cat(&dest, datatype, &ndest); + } + } + else if (longopts) + { + size_t ncspn; + + /* add "--" tag prefix */ + arg_cat(&dest, "--", &ndest); + + /* add comma separated option tag */ + ncspn = strcspn(longopts, ","); +#ifdef __STDC_WANT_SECURE_LIB__ + strncat_s(dest, ndest, longopts, (ncspn < ndest) ? ncspn : ndest); +#else + strncat(dest, longopts, (ncspn < ndest) ? ncspn : ndest); +#endif + + if (datatype) + { + arg_cat(&dest, "=", &ndest); + if (optvalue) + { + arg_cat(&dest, "[", &ndest); + arg_cat(&dest, datatype, &ndest); + arg_cat(&dest, "]", &ndest); + } + else + arg_cat(&dest, datatype, &ndest); + } + } + else if (datatype) + { + if (optvalue) + { + arg_cat(&dest, "[", &ndest); + arg_cat(&dest, datatype, &ndest); + arg_cat(&dest, "]", &ndest); + } + else + arg_cat(&dest, datatype, &ndest); + } +} + +static +void arg_cat_optionv(char *dest, + size_t ndest, + const char *shortopts, + const char *longopts, + const char *datatype, + int optvalue, + const char *separator) +{ + separator = separator ? separator : ""; + + if (shortopts) + { + const char *c = shortopts; + while(*c) + { + /* "-a|-b|-c" */ + char shortopt[3]; + + /* note: shortopt array[] is initialiazed dynamically here to satisfy */ + /* a deficiency in the watcom compiler wrt static array initializers. */ + shortopt[0] = '-'; + shortopt[1] = *c; + shortopt[2] = 0; + + arg_cat(&dest, shortopt, &ndest); + if (*++c) + arg_cat(&dest, separator, &ndest); + } + } + + /* put separator between long opts and short opts */ + if (shortopts && longopts) + arg_cat(&dest, separator, &ndest); + + if (longopts) + { + const char *c = longopts; + while(*c) + { + size_t ncspn; + + /* add "--" tag prefix */ + arg_cat(&dest, "--", &ndest); + + /* add comma separated option tag */ + ncspn = strcspn(c, ","); +#ifdef __STDC_WANT_SECURE_LIB__ + strncat_s(dest, ndest, c, (ncspn < ndest) ? ncspn : ndest); +#else + strncat(dest, c, (ncspn < ndest) ? ncspn : ndest); +#endif + c += ncspn; + + /* add given separator in place of comma */ + if (*c == ',') + { + arg_cat(&dest, separator, &ndest); + c++; + } + } + } + + if (datatype) + { + if (longopts) + arg_cat(&dest, "=", &ndest); + else if (shortopts) + arg_cat(&dest, " ", &ndest); + + if (optvalue) + { + arg_cat(&dest, "[", &ndest); + arg_cat(&dest, datatype, &ndest); + arg_cat(&dest, "]", &ndest); + } + else + arg_cat(&dest, datatype, &ndest); + } +} + + +/* this function should be deprecated because it doesnt consider optional argument values (ARG_HASOPTVALUE) */ +void arg_print_option(FILE *fp, + const char *shortopts, + const char *longopts, + const char *datatype, + const char *suffix) +{ + char syntax[200] = ""; + suffix = suffix ? suffix : ""; + + /* there is no way of passing the proper optvalue for optional argument values here, so we must ignore it */ + arg_cat_optionv(syntax, + sizeof(syntax), + shortopts, + longopts, + datatype, + 0, + "|"); + + fputs(syntax, fp); + fputs(suffix, fp); +} + + +/* + * Print a GNU style [OPTION] string in which all short options that + * do not take argument values are presented in abbreviated form, as + * in: -xvfsd, or -xvf[sd], or [-xvsfd] + */ +static +void arg_print_gnuswitch(FILE *fp, struct arg_hdr * *table) +{ + int tabindex; + char *format1 = " -%c"; + char *format2 = " [-%c"; + char *suffix = ""; + + /* print all mandatory switches that are without argument values */ + for(tabindex = 0; + table[tabindex] && !(table[tabindex]->flag & ARG_TERMINATOR); + tabindex++) + { + /* skip optional options */ + if (table[tabindex]->mincount < 1) + continue; + + /* skip non-short options */ + if (table[tabindex]->shortopts == NULL) + continue; + + /* skip options that take argument values */ + if (table[tabindex]->flag & ARG_HASVALUE) + continue; + + /* print the short option (only the first short option char, ignore multiple choices)*/ + fprintf(fp, format1, table[tabindex]->shortopts[0]); + format1 = "%c"; + format2 = "[%c"; + } + + /* print all optional switches that are without argument values */ + for(tabindex = 0; + table[tabindex] && !(table[tabindex]->flag & ARG_TERMINATOR); + tabindex++) + { + /* skip mandatory args */ + if (table[tabindex]->mincount > 0) + continue; + + /* skip args without short options */ + if (table[tabindex]->shortopts == NULL) + continue; + + /* skip args with values */ + if (table[tabindex]->flag & ARG_HASVALUE) + continue; + + /* print first short option */ + fprintf(fp, format2, table[tabindex]->shortopts[0]); + format2 = "%c"; + suffix = "]"; + } + + fprintf(fp, "%s", suffix); +} + + +void arg_print_syntax(FILE *fp, void * *argtable, const char *suffix) +{ + struct arg_hdr * *table = (struct arg_hdr * *)argtable; + int i, tabindex; + + /* print GNU style [OPTION] string */ + arg_print_gnuswitch(fp, table); + + /* print remaining options in abbreviated style */ + for(tabindex = 0; + table[tabindex] && !(table[tabindex]->flag & ARG_TERMINATOR); + tabindex++) + { + char syntax[200] = ""; + const char *shortopts, *longopts, *datatype; + + /* skip short options without arg values (they were printed by arg_print_gnu_switch) */ + if (table[tabindex]->shortopts && + !(table[tabindex]->flag & ARG_HASVALUE)) + continue; + + shortopts = table[tabindex]->shortopts; + longopts = table[tabindex]->longopts; + datatype = table[tabindex]->datatype; + arg_cat_option(syntax, + sizeof(syntax), + shortopts, + longopts, + datatype, + table[tabindex]->flag & ARG_HASOPTVALUE); + + if (strlen(syntax) > 0) + { + /* print mandatory instances of this option */ + for (i = 0; i < table[tabindex]->mincount; i++) + fprintf(fp, " %s", syntax); + + /* print optional instances enclosed in "[..]" */ + switch ( table[tabindex]->maxcount - table[tabindex]->mincount ) + { + case 0: + break; + case 1: + fprintf(fp, " [%s]", syntax); + break; + case 2: + fprintf(fp, " [%s] [%s]", syntax, syntax); + break; + default: + fprintf(fp, " [%s]...", syntax); + break; + } + } + } + + if (suffix) + fprintf(fp, "%s", suffix); +} + + +void arg_print_syntaxv(FILE *fp, void * *argtable, const char *suffix) +{ + struct arg_hdr * *table = (struct arg_hdr * *)argtable; + int i, tabindex; + + /* print remaining options in abbreviated style */ + for(tabindex = 0; + table[tabindex] && !(table[tabindex]->flag & ARG_TERMINATOR); + tabindex++) + { + char syntax[200] = ""; + const char *shortopts, *longopts, *datatype; + + shortopts = table[tabindex]->shortopts; + longopts = table[tabindex]->longopts; + datatype = table[tabindex]->datatype; + arg_cat_optionv(syntax, + sizeof(syntax), + shortopts, + longopts, + datatype, + table[tabindex]->flag & ARG_HASOPTVALUE, + "|"); + + /* print mandatory options */ + for (i = 0; i < table[tabindex]->mincount; i++) + fprintf(fp, " %s", syntax); + + /* print optional args enclosed in "[..]" */ + switch ( table[tabindex]->maxcount - table[tabindex]->mincount ) + { + case 0: + break; + case 1: + fprintf(fp, " [%s]", syntax); + break; + case 2: + fprintf(fp, " [%s] [%s]", syntax, syntax); + break; + default: + fprintf(fp, " [%s]...", syntax); + break; + } + } + + if (suffix) + fprintf(fp, "%s", suffix); +} + + +void arg_print_glossary(FILE *fp, void * *argtable, const char *format) +{ + struct arg_hdr * *table = (struct arg_hdr * *)argtable; + int tabindex; + + format = format ? format : " %-20s %s\n"; + for (tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++) + { + if (table[tabindex]->glossary) + { + char syntax[200] = ""; + const char *shortopts = table[tabindex]->shortopts; + const char *longopts = table[tabindex]->longopts; + const char *datatype = table[tabindex]->datatype; + const char *glossary = table[tabindex]->glossary; + arg_cat_optionv(syntax, + sizeof(syntax), + shortopts, + longopts, + datatype, + table[tabindex]->flag & ARG_HASOPTVALUE, + ", "); + fprintf(fp, format, syntax, glossary); + } + } +} + + +/** + * Print a piece of text formatted, which means in a column with a + * left and a right margin. The lines are wrapped at whitspaces next + * to right margin. The function does not indent the first line, but + * only the following ones. + * + * Example: + * arg_print_formatted( fp, 0, 5, "Some text that doesn't fit." ) + * will result in the following output: + * + * Some + * text + * that + * doesn' + * t fit. + * + * Too long lines will be wrapped in the middle of a word. + * + * arg_print_formatted( fp, 2, 7, "Some text that doesn't fit." ) + * will result in the following output: + * + * Some + * text + * that + * doesn' + * t fit. + * + * As you see, the first line is not indented. This enables output of + * lines, which start in a line where output already happened. + * + * Author: Uli Fouquet + */ +static +void arg_print_formatted( FILE *fp, + const unsigned lmargin, + const unsigned rmargin, + const char *text ) +{ + const unsigned textlen = (unsigned)strlen( text ); + unsigned line_start = 0; + unsigned line_end = textlen + 1; + const unsigned colwidth = (rmargin - lmargin) + 1; + + /* Someone doesn't like us... */ + if ( line_end < line_start ) + { fprintf( fp, "%s\n", text ); } + + while (line_end - 1 > line_start ) + { + /* Eat leading whitespaces. This is essential because while + wrapping lines, there will often be a whitespace at beginning + of line */ + while ( ISSPACE(*(text + line_start)) ) + { line_start++; } + + if ((line_end - line_start) > colwidth ) + { line_end = line_start + colwidth; } + + /* Find last whitespace, that fits into line */ + while ( ( line_end > line_start ) + && ( line_end - line_start > colwidth ) + && !ISSPACE(*(text + line_end))) + { line_end--; } + + /* Do not print trailing whitespace. If this text + has got only one line, line_end now points to the + last char due to initialization. */ + line_end--; + + /* Output line of text */ + while ( line_start < line_end ) + { + fputc(*(text + line_start), fp ); + line_start++; + } + fputc( '\n', fp ); + + /* Initialize another line */ + if ( line_end + 1 < textlen ) + { + unsigned i; + + for (i = 0; i < lmargin; i++ ) + { fputc( ' ', fp ); } + + line_end = textlen; + } + + /* If we have to print another line, get also the last char. */ + line_end++; + + } /* lines of text */ +} + +/** + * Prints the glossary in strict GNU format. + * Differences to arg_print_glossary() are: + * - wraps lines after 80 chars + * - indents lines without shortops + * - does not accept formatstrings + * + * Contributed by Uli Fouquet + */ +void arg_print_glossary_gnu(FILE *fp, void * *argtable ) +{ + struct arg_hdr * *table = (struct arg_hdr * *)argtable; + int tabindex; + + for(tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++) + { + if (table[tabindex]->glossary) + { + char syntax[200] = ""; + const char *shortopts = table[tabindex]->shortopts; + const char *longopts = table[tabindex]->longopts; + const char *datatype = table[tabindex]->datatype; + const char *glossary = table[tabindex]->glossary; + + if ( !shortopts && longopts ) + { + /* Indent trailing line by 4 spaces... */ + memset( syntax, ' ', 4 ); + *(syntax + 4) = '\0'; + } + + arg_cat_optionv(syntax, + sizeof(syntax), + shortopts, + longopts, + datatype, + table[tabindex]->flag & ARG_HASOPTVALUE, + ", "); + + /* If syntax fits not into column, print glossary in new line... */ + if ( strlen(syntax) > 25 ) + { + fprintf( fp, " %-25s %s\n", syntax, "" ); + *syntax = '\0'; + } + + fprintf( fp, " %-25s ", syntax ); + arg_print_formatted( fp, 28, 79, glossary ); + } + } /* for each table entry */ + + fputc( '\n', fp ); +} + + +/** + * Checks the argtable[] array for NULL entries and returns 1 + * if any are found, zero otherwise. + */ +int arg_nullcheck(void * *argtable) +{ + struct arg_hdr * *table = (struct arg_hdr * *)argtable; + int tabindex; + /*printf("arg_nullcheck(%p)\n",argtable);*/ + + if (!table) + return 1; + + tabindex = 0; + do + { + /*printf("argtable[%d]=%p\n",tabindex,argtable[tabindex]);*/ + if (!table[tabindex]) + return 1; + } while(!(table[tabindex++]->flag & ARG_TERMINATOR)); + + return 0; +} + + +/* + * arg_free() is deprecated in favour of arg_freetable() due to a flaw in its design. + * The flaw results in memory leak in the (very rare) case that an intermediate + * entry in the argtable array failed its memory allocation while others following + * that entry were still allocated ok. Those subsequent allocations will not be + * deallocated by arg_free(). + * Despite the unlikeliness of the problem occurring, and the even unlikelier event + * that it has any deliterious effect, it is fixed regardless by replacing arg_free() + * with the newer arg_freetable() function. + * We still keep arg_free() for backwards compatibility. + */ +void arg_free(void * *argtable) +{ + struct arg_hdr * *table = (struct arg_hdr * *)argtable; + int tabindex = 0; + int flag; + /*printf("arg_free(%p)\n",argtable);*/ + do + { + /* + if we encounter a NULL entry then somewhat incorrectly we presume + we have come to the end of the array. It isnt strictly true because + an intermediate entry could be NULL with other non-NULL entries to follow. + The subsequent argtable entries would then not be freed as they should. + */ + if (table[tabindex] == NULL) + break; + + flag = table[tabindex]->flag; + free(table[tabindex]); + table[tabindex++] = NULL; + + } while(!(flag & ARG_TERMINATOR)); +} + +/* frees each non-NULL element of argtable[], where n is the size of the number of entries in the array */ +void arg_freetable(void * *argtable, size_t n) +{ + struct arg_hdr * *table = (struct arg_hdr * *)argtable; + size_t tabindex = 0; + /*printf("arg_freetable(%p)\n",argtable);*/ + for (tabindex = 0; tabindex < n; tabindex++) + { + if (table[tabindex] == NULL) + continue; + + free(table[tabindex]); + table[tabindex] = NULL; + }; +} + diff --git a/client/cliparser/argtable3.h b/client/cliparser/argtable3.h new file mode 100644 index 00000000..1107de25 --- /dev/null +++ b/client/cliparser/argtable3.h @@ -0,0 +1,305 @@ +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * + * 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 STEWART HEITMANN 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 STEWART HEITMANN 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. + ******************************************************************************/ + +#ifndef ARGTABLE3 +#define ARGTABLE3 + +#include /* FILE */ +#include /* struct tm */ + +#ifdef __cplusplus +extern "C" { +#endif + +#define ARG_REX_ICASE 1 + +/* bit masks for arg_hdr.flag */ +enum +{ + ARG_TERMINATOR=0x1, + ARG_HASVALUE=0x2, + ARG_HASOPTVALUE=0x4 +}; + +typedef void (arg_resetfn)(void *parent); +typedef int (arg_scanfn)(void *parent, const char *argval); +typedef int (arg_checkfn)(void *parent); +typedef void (arg_errorfn)(void *parent, FILE *fp, int error, const char *argval, const char *progname); + + +/* +* The arg_hdr struct defines properties that are common to all arg_xxx structs. +* The argtable library requires each arg_xxx struct to have an arg_hdr +* struct as its first data member. +* The argtable library functions then use this data to identify the +* properties of the command line option, such as its option tags, +* datatype string, and glossary strings, and so on. +* Moreover, the arg_hdr struct contains pointers to custom functions that +* are provided by each arg_xxx struct which perform the tasks of parsing +* that particular arg_xxx arguments, performing post-parse checks, and +* reporting errors. +* These functions are private to the individual arg_xxx source code +* and are the pointer to them are initiliased by that arg_xxx struct's +* constructor function. The user could alter them after construction +* if desired, but the original intention is for them to be set by the +* constructor and left unaltered. +*/ +struct arg_hdr +{ + char flag; /* Modifier flags: ARG_TERMINATOR, ARG_HASVALUE. */ + const char *shortopts; /* String defining the short options */ + const char *longopts; /* String defiing the long options */ + const char *datatype; /* Description of the argument data type */ + const char *glossary; /* Description of the option as shown by arg_print_glossary function */ + int mincount; /* Minimum number of occurences of this option accepted */ + int maxcount; /* Maximum number of occurences if this option accepted */ + void *parent; /* Pointer to parent arg_xxx struct */ + arg_resetfn *resetfn; /* Pointer to parent arg_xxx reset function */ + arg_scanfn *scanfn; /* Pointer to parent arg_xxx scan function */ + arg_checkfn *checkfn; /* Pointer to parent arg_xxx check function */ + arg_errorfn *errorfn; /* Pointer to parent arg_xxx error function */ + void *priv; /* Pointer to private header data for use by arg_xxx functions */ +}; + +struct arg_rem +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ +}; + +struct arg_lit +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args */ +}; + +struct arg_int +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args */ + int *ival; /* Array of parsed argument values */ +}; + +struct arg_dbl +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args */ + double *dval; /* Array of parsed argument values */ +}; + +struct arg_str +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args */ + const char **sval; /* Array of parsed argument values */ +}; + +struct arg_rex +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args */ + const char **sval; /* Array of parsed argument values */ +}; + +struct arg_file +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args*/ + const char **filename; /* Array of parsed filenames (eg: /home/foo.bar) */ + const char **basename; /* Array of parsed basenames (eg: foo.bar) */ + const char **extension; /* Array of parsed extensions (eg: .bar) */ +}; + +struct arg_date +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + const char *format; /* strptime format string used to parse the date */ + int count; /* Number of matching command line args */ + struct tm *tmval; /* Array of parsed time values */ +}; + +enum {ARG_ELIMIT=1, ARG_EMALLOC, ARG_ENOMATCH, ARG_ELONGOPT, ARG_EMISSARG}; +struct arg_end +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of errors encountered */ + int *error; /* Array of error codes */ + void **parent; /* Array of pointers to offending arg_xxx struct */ + const char **argval; /* Array of pointers to offending argv[] string */ +}; + + +/**** arg_xxx constructor functions *********************************/ + +struct arg_rem* arg_rem(const char* datatype, const char* glossary); + +struct arg_lit* arg_lit0(const char* shortopts, + const char* longopts, + const char* glossary); +struct arg_lit* arg_lit1(const char* shortopts, + const char* longopts, + const char *glossary); +struct arg_lit* arg_litn(const char* shortopts, + const char* longopts, + int mincount, + int maxcount, + const char *glossary); + +struct arg_key* arg_key0(const char* keyword, + int flags, + const char* glossary); +struct arg_key* arg_key1(const char* keyword, + int flags, + const char* glossary); +struct arg_key* arg_keyn(const char* keyword, + int flags, + int mincount, + int maxcount, + const char* glossary); + +struct arg_int* arg_int0(const char* shortopts, + const char* longopts, + const char* datatype, + const char* glossary); +struct arg_int* arg_int1(const char* shortopts, + const char* longopts, + const char* datatype, + const char *glossary); +struct arg_int* arg_intn(const char* shortopts, + const char* longopts, + const char *datatype, + int mincount, + int maxcount, + const char *glossary); + +struct arg_dbl* arg_dbl0(const char* shortopts, + const char* longopts, + const char* datatype, + const char* glossary); +struct arg_dbl* arg_dbl1(const char* shortopts, + const char* longopts, + const char* datatype, + const char *glossary); +struct arg_dbl* arg_dbln(const char* shortopts, + const char* longopts, + const char *datatype, + int mincount, + int maxcount, + const char *glossary); + +struct arg_str* arg_str0(const char* shortopts, + const char* longopts, + const char* datatype, + const char* glossary); +struct arg_str* arg_str1(const char* shortopts, + const char* longopts, + const char* datatype, + const char *glossary); +struct arg_str* arg_strn(const char* shortopts, + const char* longopts, + const char* datatype, + int mincount, + int maxcount, + const char *glossary); + +struct arg_rex* arg_rex0(const char* shortopts, + const char* longopts, + const char* pattern, + const char* datatype, + int flags, + const char* glossary); +struct arg_rex* arg_rex1(const char* shortopts, + const char* longopts, + const char* pattern, + const char* datatype, + int flags, + const char *glossary); +struct arg_rex* arg_rexn(const char* shortopts, + const char* longopts, + const char* pattern, + const char* datatype, + int mincount, + int maxcount, + int flags, + const char *glossary); + +struct arg_file* arg_file0(const char* shortopts, + const char* longopts, + const char* datatype, + const char* glossary); +struct arg_file* arg_file1(const char* shortopts, + const char* longopts, + const char* datatype, + const char *glossary); +struct arg_file* arg_filen(const char* shortopts, + const char* longopts, + const char* datatype, + int mincount, + int maxcount, + const char *glossary); + +struct arg_date* arg_date0(const char* shortopts, + const char* longopts, + const char* format, + const char* datatype, + const char* glossary); +struct arg_date* arg_date1(const char* shortopts, + const char* longopts, + const char* format, + const char* datatype, + const char *glossary); +struct arg_date* arg_daten(const char* shortopts, + const char* longopts, + const char* format, + const char* datatype, + int mincount, + int maxcount, + const char *glossary); + +struct arg_end* arg_end(int maxerrors); + + +/**** other functions *******************************************/ +int arg_nullcheck(void **argtable); +int arg_parse(int argc, char **argv, void **argtable); +void arg_print_option(FILE *fp, const char *shortopts, const char *longopts, const char *datatype, const char *suffix); +void arg_print_syntax(FILE *fp, void **argtable, const char *suffix); +void arg_print_syntaxv(FILE *fp, void **argtable, const char *suffix); +void arg_print_glossary(FILE *fp, void **argtable, const char *format); +void arg_print_glossary_gnu(FILE *fp, void **argtable); +void arg_print_errors(FILE* fp, struct arg_end* end, const char* progname); +void arg_freetable(void **argtable, size_t n); + +/**** deprecated functions, for back-compatibility only ********/ +void arg_free(void **argtable); + +#ifdef __cplusplus +} +#endif +#endif diff --git a/client/cliparser/cliparser.c b/client/cliparser/cliparser.c new file mode 100644 index 00000000..0e70a630 --- /dev/null +++ b/client/cliparser/cliparser.c @@ -0,0 +1,167 @@ +//----------------------------------------------------------------------------- +// Copyright (C) 2017 Merlok +// +// This code is licensed to you under the terms of the GNU GPL, version 2 or, +// at your option, any later version. See the LICENSE.txt file for the text of +// the license. +//----------------------------------------------------------------------------- +// Command line parser core commands +//----------------------------------------------------------------------------- + +#include "cliparser.h" +#include +#include + +void **argtable = NULL; +size_t argtableLen = 0; +char *programName = NULL; +char *programHint = NULL; +char *programHelp = NULL; +char buf[500] = {0}; + +int CLIParserInit(char *vprogramName, char *vprogramHint, char *vprogramHelp) { + argtable = NULL; + argtableLen = 0; + programName = vprogramName; + programHint = vprogramHint; + programHelp = vprogramHelp; + memset(buf, 0x00, 500); + + return 0; +} + +int CLIParserParseArg(int argc, char **argv, void* vargtable[], size_t vargtableLen, bool allowEmptyExec) { + int nerrors; + + argtable = vargtable; + argtableLen = vargtableLen; + + /* verify the argtable[] entries were allocated sucessfully */ + if (arg_nullcheck(argtable) != 0) { + /* NULL entries were detected, some allocations must have failed */ + printf("ERROR: Insufficient memory\n"); + return 2; + } + /* Parse the command line as defined by argtable[] */ + nerrors = arg_parse(argc, argv, argtable); + + /* special case: '--help' takes precedence over error reporting */ + if ((argc < 2 && !allowEmptyExec) ||((struct arg_lit *)argtable[0])->count > 0) { // help must be the first record + printf("Usage: %s", programName); + arg_print_syntaxv(stdout, argtable, "\n"); + if (programHint) + printf("%s\n\n", programHint); + arg_print_glossary(stdout, argtable, " %-20s %s\n"); + printf("\n"); + if (programHelp) + printf("%s \n", programHelp); + + return 1; + } + + /* If the parser returned any errors then display them and exit */ + if (nerrors > 0) { + /* Display the error details contained in the arg_end struct.*/ + arg_print_errors(stdout, ((struct arg_end *)argtable[vargtableLen - 1]), programName); + printf("Try '%s --help' for more information.\n", programName); + + return 3; + } + + return 0; +} + +enum ParserState { + PS_FIRST, + PS_ARGUMENT, + PS_OPTION, +}; + +#define isSpace(c)(c == ' ' || c == '\t') + +int CLIParserParseString(const char* str, void* vargtable[], size_t vargtableLen, bool allowEmptyExec) { + int argc = 0; + char *argv[200] = {NULL}; + + int len = strlen(str); + char *bufptr = buf; + char *spaceptr = NULL; + enum ParserState state = PS_FIRST; + + argv[argc++] = bufptr; + // param0 = program name + memcpy(buf, programName, strlen(programName) + 1); // with 0x00 + bufptr += strlen(programName) + 1; + if (len) + argv[argc++] = bufptr; + + // parse params + for (int i = 0; i < len; i++) { + switch(state){ + case PS_FIRST: // first char + if (str[i] == '-'){ // first char before space is '-' - next element - option + state = PS_OPTION; + + if (spaceptr) { + bufptr = spaceptr; + *bufptr = 0x00; + bufptr++; + argv[argc++] = bufptr; + } + } + spaceptr = NULL; + case PS_ARGUMENT: + if (state == PS_FIRST) + state = PS_ARGUMENT; + if (isSpace(str[i])) { + spaceptr = bufptr; + state = PS_FIRST; + } + *bufptr = str[i]; + bufptr++; + break; + case PS_OPTION: + if (isSpace(str[i])){ + state = PS_FIRST; + + *bufptr = 0x00; + bufptr++; + argv[argc++] = bufptr; + break; + } + + *bufptr = str[i]; + bufptr++; + break; + } + } + + return CLIParserParseArg(argc, argv, vargtable, vargtableLen, allowEmptyExec); +} + +void CLIParserFree() { + arg_freetable(argtable, argtableLen); + argtable = NULL; + + return; +} + +// convertors +int CLIParamHexToBuf(struct arg_str *argstr, uint8_t *data, int maxdatalen, int *datalen) { + switch(param_gethex_to_eol(argstr->sval[0], 0, data, maxdatalen, datalen)) { + case 1: + printf("Parameter error: Invalid HEX value.\n"); + return 1; + case 2: + printf("Parameter error: parameter too large.\n"); + return 2; + case 3: + printf("Parameter error: Hex string must have even number of digits.\n"); + return 3; + } + + return 0; +} + + + diff --git a/client/cliparser/cliparser.h b/client/cliparser/cliparser.h new file mode 100644 index 00000000..3f4fa4cc --- /dev/null +++ b/client/cliparser/cliparser.h @@ -0,0 +1,32 @@ +//----------------------------------------------------------------------------- +// Copyright (C) 2017 Merlok +// +// This code is licensed to you under the terms of the GNU GPL, version 2 or, +// at your option, any later version. See the LICENSE.txt file for the text of +// the license. +//----------------------------------------------------------------------------- +// Command line parser core commands +//----------------------------------------------------------------------------- + +#include "argtable3.h" +#include "util.h" +#include + +#define arg_param_begin arg_lit0("hH", "help", "print this help and exit") +#define arg_param_end arg_end(20) + +#define arg_getsize(a) (sizeof(a) / sizeof(a[0])) +#define arg_get_lit(n)(((struct arg_lit*)argtable[n])->count) +#define arg_get_int(n)(((struct arg_int*)argtable[n])->ival[0]) +#define arg_get_str(n)((struct arg_str*)argtable[n]) + +#define CLIExecWithReturn(cmd, atbl, ifempty) if (CLIParserParseString(cmd, atbl, arg_getsize(atbl), ifempty)){CLIParserFree();return 0;} +#define CLIGetStrBLessWithReturn(paramnum, data, datalen, delta) if (CLIParamHexToBuf(arg_get_str(paramnum), data, sizeof(data) - (delta), datalen)) {CLIParserFree();return 1;} +#define CLIGetStrWithReturn(paramnum, data, datalen) if (CLIParamHexToBuf(arg_get_str(paramnum), data, sizeof(data), datalen)) {CLIParserFree();return 1;} + +extern int CLIParserInit(char *vprogramName, char *vprogramHint, char *vprogramHelp); +extern int CLIParserParseString(const char* str, void* argtable[], size_t vargtableLen, bool allowEmptyExec); +extern int CLIParserParseArg(int argc, char **argv, void* argtable[], size_t vargtableLen, bool allowEmptyExec); +extern void CLIParserFree(); + +extern int CLIParamHexToBuf(struct arg_str *argstr, uint8_t *data, int maxdatalen, int *datalen); diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c index 03ab0b5a..2d76f109 100644 --- a/client/cmdhf14a.c +++ b/client/cmdhf14a.c @@ -28,6 +28,7 @@ #include "mifare.h" #include "cmdhfmfu.h" #include "mifarehost.h" +#include "cliparser/cliparser.h" #include "emv/apduinfo.h" #include "emv/emvcore.h" @@ -137,38 +138,32 @@ int CmdHF14AList(const char *Cmd) int CmdHF14AReader(const char *Cmd) { uint32_t cm = ISO14A_CONNECT; - bool disconnectAfter = true; + bool leaveSignalON = false; - int cmdp = 0; - while(param_getchar(Cmd, cmdp) != 0x00) { - switch(param_getchar(Cmd, cmdp)) { - case 'h': - case 'H': - PrintAndLog("Usage: hf 14a reader [k|x] [3]"); - PrintAndLog(" k keep the field active after command executed"); - PrintAndLog(" x just drop the signal field"); - PrintAndLog(" 3 ISO14443-3 select only (skip RATS)"); - return 0; - case '3': - cm |= ISO14A_NO_RATS; - break; - case 'k': - case 'K': - disconnectAfter = false; - break; - case 'x': - case 'X': - cm &= ~ISO14A_CONNECT; - break; - default: - PrintAndLog("Unknown command."); - return 1; - } - - cmdp++; + CLIParserInit("hf 14a reader", "Executes ISO1443A anticollision-select group of commands.", NULL); + void* argtable[] = { + arg_param_begin, + arg_lit0("kK", "keep", "keep the field active after command executed"), + arg_lit0("xX", "drop", "just drop the signal field"), + arg_lit0("3", NULL, "ISO14443-3 select only (skip RATS)"), + arg_param_end + }; + if (CLIParserParseString(Cmd, argtable, arg_getsize(argtable), true)){ + CLIParserFree(); + return 0; } - - if (!disconnectAfter) + + leaveSignalON = arg_get_lit(1); + if (arg_get_lit(2)) { + cm = cm - ISO14A_CONNECT; + } + if (arg_get_lit(3)) { + cm |= ISO14A_NO_RATS; + } + + CLIParserFree(); + + if (leaveSignalON) cm |= ISO14A_NO_DISCONNECT; UsbCommand c = {CMD_READER_ISO_14443a, {cm, 0, 0}}; @@ -200,12 +195,12 @@ int CmdHF14AReader(const char *Cmd) { if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len)); } - if (!disconnectAfter) { + if (leaveSignalON) { PrintAndLog("Card is selected. You can now start sending commands"); } } - if (disconnectAfter) { + if (!leaveSignalON) { PrintAndLog("Field dropped."); } @@ -737,59 +732,30 @@ int CmdHF14AAPDU(const char *cmd) { bool activateField = false; bool leaveSignalON = false; bool decodeTLV = false; + + CLIParserInit("hf 14a apdu", + "Sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)", + "Sample:\n\thf 14a apdu -st 00A404000E325041592E5359532E444446303100\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("sS", "select", "activate field and select card"), + arg_lit0("kK", "keep", "leave the signal field ON after receive response"), + arg_lit0("tT", "tlv", "executes TLV decoder if it possible"), + arg_str1(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, false); - if (strlen(cmd) < 2) { - PrintAndLog("Usage: hf 14a apdu [-s] [-k] [-t] "); - PrintAndLog("Command sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)"); - PrintAndLog(" -s activate field and select card"); - PrintAndLog(" -k leave the signal field ON after receive response"); - PrintAndLog(" -t executes TLV decoder if it possible. TODO!!!!"); - return 0; - } + activateField = arg_get_lit(1); + leaveSignalON = arg_get_lit(2); + decodeTLV = arg_get_lit(3); + // len = data + PCB(1b) + CRC(2b) + CLIGetStrBLessWithReturn(4, data, &datalen, 1 + 2); - int cmdp = 0; - while(param_getchar(cmd, cmdp) != 0x00) { - char c = param_getchar(cmd, cmdp); - if ((c == '-') && (param_getlength(cmd, cmdp) == 2)) - switch (param_getchar_indx(cmd, 1, cmdp)) { - case 's': - case 'S': - activateField = true; - break; - case 'k': - case 'K': - leaveSignalON = true; - break; - case 't': - case 'T': - decodeTLV = true; - break; - default: - PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp)); - return 1; - } - - if (isxdigit((unsigned char)c)) { - // len = data + PCB(1b) + CRC(2b) - switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data) - 1 - 2, &datalen)) { - case 1: - PrintAndLog("Invalid HEX value."); - return 1; - case 2: - PrintAndLog("APDU too large."); - return 1; - case 3: - PrintAndLog("Hex must have even number of digits."); - return 1; - } - - // we get all the hex to end of line with spaces - break; - } - - cmdp++; - } + CLIParserFree(); +// PrintAndLog("---str [%d] %s", arg_get_str(4)->count, arg_get_str(4)->sval[0]); PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen)); int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen); @@ -821,102 +787,57 @@ int CmdHF14ACmdRaw(const char *cmd) { bool bTimeout = false; uint32_t timeout = 0; bool topazmode = false; - char buf[5]=""; - int i = 0; uint8_t data[USB_CMD_DATA_SIZE]; - uint16_t datalen = 0; - uint32_t temp; - - if (strlen(cmd)<2) { - PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <0A 0B 0C ... hex>"); - PrintAndLog(" -r do not read response"); - PrintAndLog(" -c calculate and append CRC"); - PrintAndLog(" -p leave the signal field ON after receive"); - PrintAndLog(" -a active signal field ON without select"); - PrintAndLog(" -s active signal field ON with select"); - PrintAndLog(" -b number of bits to send. Useful for send partial byte"); - PrintAndLog(" -t timeout in ms"); - PrintAndLog(" -T use Topaz protocol to send command"); - PrintAndLog(" -3 ISO14443-3 select only (skip RATS)"); - return 0; - } - + int datalen = 0; - // strip - while (*cmd==' ' || *cmd=='\t') cmd++; - - while (cmd[i]!='\0') { - if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; } - if (cmd[i]=='-') { - switch (cmd[i+1]) { - case 'r': - reply = false; - break; - case 'c': - crc = true; - break; - case 'p': - power = true; - break; - case 'a': - active = true; - break; - case 's': - active_select = true; - break; - case 'b': - sscanf(cmd+i+2,"%d",&temp); - numbits = temp & 0xFFFF; - i+=3; - while(cmd[i]!=' ' && cmd[i]!='\0') { i++; } - i-=2; - break; - case 't': - bTimeout = true; - sscanf(cmd+i+2,"%d",&temp); - timeout = temp; - i+=3; - while(cmd[i]!=' ' && cmd[i]!='\0') { i++; } - i-=2; - break; - case 'T': - topazmode = true; - break; - case '3': - no_rats = true; - break; - default: - PrintAndLog("Invalid option"); - return 0; - } - i+=2; - continue; - } - if ((cmd[i]>='0' && cmd[i]<='9') || - (cmd[i]>='a' && cmd[i]<='f') || - (cmd[i]>='A' && cmd[i]<='F') ) { - buf[strlen(buf)+1]=0; - buf[strlen(buf)]=cmd[i]; - i++; - - if (strlen(buf)>=2) { - sscanf(buf,"%x",&temp); - data[datalen]=(uint8_t)(temp & 0xff); - *buf=0; - if (datalen > sizeof(data)-1) { - if (crc) - PrintAndLog("Buffer is full, we can't add CRC to your data"); - break; - } else { - datalen++; - } - } - continue; - } - PrintAndLog("Invalid char on input"); + // extract parameters + CLIParserInit("hf 14a raw", "Send raw hex data to tag", + "Sample:\n"\ + "\thf 14a raw -pa -b7 -t1000 52 -- execute WUPA\n"\ + "\thf 14a raw -p 9320 -- anticollision\n"\ + "\thf 14a raw -psc 60 00 -- select and mifare AUTH\n"); + void* argtable[] = { + arg_param_begin, + arg_lit0("rR", "nreply", "do not read response"), + arg_lit0("cC", "crc", "calculate and append CRC"), + arg_lit0("pP", "power", "leave the signal field ON after receive"), + arg_lit0("aA", "active", "active signal field ON without select"), + arg_lit0("sS", "actives", "active signal field ON with select"), + arg_int0("bB", "bits", NULL, "number of bits to send. Useful for send partial byte"), + arg_int0("t", "timeout", NULL, "timeout in ms"), + arg_lit0("T", "topaz", "use Topaz protocol to send command"), + arg_lit0("3", NULL, "ISO14443-3 select only (skip RATS)"), + arg_str1(NULL, NULL, "", NULL), + arg_param_end + }; + // defaults + arg_get_int(6) = 0; + arg_get_int(7) = 0; + + if (CLIParserParseString(cmd, argtable, arg_getsize(argtable), false)){ + CLIParserFree(); return 0; } - + + reply = !arg_get_lit(1); + crc = arg_get_lit(2); + power = arg_get_lit(3); + active = arg_get_lit(4); + active_select = arg_get_lit(5); + numbits = arg_get_int(6) & 0xFFFF; + timeout = arg_get_int(7); + bTimeout = (timeout > 0); + topazmode = arg_get_lit(8); + no_rats = arg_get_lit(9); + // len = data + CRC(2b) + if (CLIParamHexToBuf(arg_get_str(10), data, sizeof(data) -2, &datalen)) { + CLIParserFree(); + return 1; + } + + CLIParserFree(); + + // logic if(crc && datalen>0 && datalen