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/*-
* Copyright (c) 2011 Tim Kientzle
* All rights reserved.
*
* 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 AUTHOR(S) ``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 AUTHOR(S) 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 "archive_platform.h"
__FBSDID("$FreeBSD$");
#include "archive_options_private.h"
static const char *
parse_option(const char **str,
const char **mod, const char **opt, const char **val);
int
_archive_set_option(struct archive *a,
const char *m, const char *o, const char *v,
int magic, const char *fn, option_handler use_option)
{
const char *mp, *op, *vp;
int r;
archive_check_magic(a, magic, ARCHIVE_STATE_NEW, fn);
mp = (m != NULL && m[0] != '\0') ? m : NULL;
op = (o != NULL && o[0] != '\0') ? o : NULL;
vp = (v != NULL && v[0] != '\0') ? v : NULL;
if (op == NULL && vp == NULL)
return (ARCHIVE_OK);
if (op == NULL) {
archive_set_error(a, ARCHIVE_ERRNO_MISC, "Empty option");
return (ARCHIVE_FAILED);
}
r = use_option(a, mp, op, vp);
if (r == ARCHIVE_WARN - 1) {
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unknown module name: `%s'", mp);
return (ARCHIVE_FAILED);
}
if (r == ARCHIVE_WARN) {
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Undefined option: `%s%s%s%s%s%s'",
vp?"":"!", mp?mp:"", mp?":":"", op, vp?"=":"", vp?vp:"");
return (ARCHIVE_FAILED);
}
return (r);
}
int
_archive_set_either_option(struct archive *a, const char *m, const char *o, const char *v,
option_handler use_format_option, option_handler use_filter_option)
{
int r1, r2;
if (o == NULL && v == NULL)
return (ARCHIVE_OK);
if (o == NULL)
return (ARCHIVE_FAILED);
r1 = use_format_option(a, m, o, v);
if (r1 == ARCHIVE_FATAL)
return (ARCHIVE_FATAL);
r2 = use_filter_option(a, m, o, v);
if (r2 == ARCHIVE_FATAL)
return (ARCHIVE_FATAL);
if (r2 == ARCHIVE_WARN - 1)
return r1;
return r1 > r2 ? r1 : r2;
}
int
_archive_set_options(struct archive *a, const char *options,
int magic, const char *fn, option_handler use_option)
{
int allok = 1, anyok = 0, ignore_mod_err = 0, r;
char *data;
const char *s, *mod, *opt, *val;
archive_check_magic(a, magic, ARCHIVE_STATE_NEW, fn);
if (options == NULL || options[0] == '\0')
return ARCHIVE_OK;
data = (char *)malloc(strlen(options) + 1);
strcpy(data, options);
s = (const char *)data;
do {
mod = opt = val = NULL;
parse_option(&s, &mod, &opt, &val);
if (mod == NULL && opt != NULL &&
strcmp("__ignore_wrong_module_name__", opt) == 0) {
/* Ignore module name error */
if (val != NULL) {
ignore_mod_err = 1;
anyok = 1;
}
continue;
}
r = use_option(a, mod, opt, val);
if (r == ARCHIVE_FATAL) {
free(data);
return (ARCHIVE_FATAL);
}
if (r == ARCHIVE_FAILED && mod != NULL) {
free(data);
return (ARCHIVE_FAILED);
}
if (r == ARCHIVE_WARN - 1) {
if (ignore_mod_err)
continue;
/* The module name is wrong. */
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unknown module name: `%s'", mod);
free(data);
return (ARCHIVE_FAILED);
}
if (r == ARCHIVE_WARN) {
/* The option name is wrong. No-one used this. */
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Undefined option: `%s%s%s'",
mod?mod:"", mod?":":"", opt);
free(data);
return (ARCHIVE_FAILED);
}
if (r == ARCHIVE_OK)
anyok = 1;
else
allok = 0;
} while (s != NULL);
free(data);
return allok ? ARCHIVE_OK : anyok ? ARCHIVE_WARN : ARCHIVE_FAILED;
}
static const char *
parse_option(const char **s, const char **m, const char **o, const char **v)
{
const char *end, *mod, *opt, *val;
char *p;
end = NULL;
mod = NULL;
opt = *s;
val = "1";
p = strchr(opt, ',');
if (p != NULL) {
*p = '\0';
end = ((const char *)p) + 1;
}
if (0 == strlen(opt)) {
*s = end;
*m = NULL;
*o = NULL;
*v = NULL;
return end;
}
p = strchr(opt, ':');
if (p != NULL) {
*p = '\0';
mod = opt;
opt = ++p;
}
p = strchr(opt, '=');
if (p != NULL) {
*p = '\0';
val = ++p;
} else if (opt[0] == '!') {
++opt;
val = NULL;
}
*s = end;
*m = mod;
*o = opt;
*v = val;
return end;
}