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/*-
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* Copyright (c) 2011 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "archive_platform.h"
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__FBSDID("$FreeBSD$");
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#include "archive_options_private.h"
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static const char *
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parse_option(const char **str,
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const char **mod, const char **opt, const char **val);
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int
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_archive_set_option(struct archive *a,
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const char *m, const char *o, const char *v,
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int magic, const char *fn, option_handler use_option)
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{
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const char *mp, *op, *vp;
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int r;
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archive_check_magic(a, magic, ARCHIVE_STATE_NEW, fn);
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mp = (m != NULL && m[0] != '\0') ? m : NULL;
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op = (o != NULL && o[0] != '\0') ? o : NULL;
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vp = (v != NULL && v[0] != '\0') ? v : NULL;
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if (op == NULL && vp == NULL)
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return (ARCHIVE_OK);
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if (op == NULL) {
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archive_set_error(a, ARCHIVE_ERRNO_MISC, "Empty option");
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return (ARCHIVE_FAILED);
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}
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r = use_option(a, mp, op, vp);
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if (r == ARCHIVE_WARN - 1) {
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archive_set_error(a, ARCHIVE_ERRNO_MISC,
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"Unknown module name: `%s'", mp);
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return (ARCHIVE_FAILED);
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}
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if (r == ARCHIVE_WARN) {
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archive_set_error(a, ARCHIVE_ERRNO_MISC,
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"Undefined option: `%s%s%s%s%s%s'",
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vp?"":"!", mp?mp:"", mp?":":"", op, vp?"=":"", vp?vp:"");
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return (ARCHIVE_FAILED);
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}
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return (r);
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}
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int
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_archive_set_either_option(struct archive *a, const char *m, const char *o, const char *v,
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option_handler use_format_option, option_handler use_filter_option)
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{
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int r1, r2;
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if (o == NULL && v == NULL)
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return (ARCHIVE_OK);
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if (o == NULL)
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return (ARCHIVE_FAILED);
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r1 = use_format_option(a, m, o, v);
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if (r1 == ARCHIVE_FATAL)
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return (ARCHIVE_FATAL);
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r2 = use_filter_option(a, m, o, v);
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if (r2 == ARCHIVE_FATAL)
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return (ARCHIVE_FATAL);
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if (r2 == ARCHIVE_WARN - 1)
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return r1;
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return r1 > r2 ? r1 : r2;
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}
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int
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_archive_set_options(struct archive *a, const char *options,
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int magic, const char *fn, option_handler use_option)
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{
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int allok = 1, anyok = 0, ignore_mod_err = 0, r;
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char *data;
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const char *s, *mod, *opt, *val;
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archive_check_magic(a, magic, ARCHIVE_STATE_NEW, fn);
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if (options == NULL || options[0] == '\0')
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return ARCHIVE_OK;
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if ((data = strdup(options)) == NULL) {
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archive_set_error(a,
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ENOMEM, "Out of memory adding file to list");
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return (ARCHIVE_FATAL);
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}
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s = (const char *)data;
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do {
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mod = opt = val = NULL;
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parse_option(&s, &mod, &opt, &val;;
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if (mod == NULL && opt != NULL &&
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strcmp("__ignore_wrong_module_name__", opt) == 0) {
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/* Ignore module name error */
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if (val != NULL) {
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ignore_mod_err = 1;
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anyok = 1;
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}
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continue;
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}
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r = use_option(a, mod, opt, val);
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if (r == ARCHIVE_FATAL) {
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free(data);
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return (ARCHIVE_FATAL);
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}
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if (r == ARCHIVE_FAILED && mod != NULL) {
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free(data);
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return (ARCHIVE_FAILED);
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}
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if (r == ARCHIVE_WARN - 1) {
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if (ignore_mod_err)
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continue;
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/* The module name is wrong. */
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archive_set_error(a, ARCHIVE_ERRNO_MISC,
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"Unknown module name: `%s'", mod);
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free(data);
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return (ARCHIVE_FAILED);
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}
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if (r == ARCHIVE_WARN) {
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/* The option name is wrong. No-one used this. */
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archive_set_error(a, ARCHIVE_ERRNO_MISC,
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"Undefined option: `%s%s%s'",
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mod?mod:"", mod?":":"", opt);
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free(data);
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return (ARCHIVE_FAILED);
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}
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if (r == ARCHIVE_OK)
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anyok = 1;
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else
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allok = 0;
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} while (s != NULL);
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free(data);
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return allok ? ARCHIVE_OK : anyok ? ARCHIVE_WARN : ARCHIVE_FAILED;
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}
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static const char *
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parse_option(const char **s, const char **m, const char **o, const char **v)
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{
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const char *end, *mod, *opt, *val;
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char *p;
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end = NULL;
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mod = NULL;
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opt = *s;
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val = "1";
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p = strchr(opt, ',');
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if (p != NULL) {
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*p = '\0';
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end = ((const char *)p) + 1;
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}
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if (0 == strlen(opt)) {
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*s = end;
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*m = NULL;
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*o = NULL;
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*v = NULL;
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return end;
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}
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p = strchr(opt, ':');
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if (p != NULL) {
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*p = '\0';
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mod = opt;
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opt = ++p;
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}
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p = strchr(opt, '=');
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if (p != NULL) {
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*p = '\0';
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val = ++p;
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} else if (opt[0] == '!') {
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++opt;
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val = NULL;
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}
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*s = end;
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*m = mod;
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*o = opt;
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*v = val;
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return end;
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}
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