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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* write_xattr.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "sqfs/xattr.h"
#include <string.h>
static const struct {
const char *prefix;
E_SQFS_XATTR_TYPE type;
} xattr_types[] = {
{ "user.", SQUASHFS_XATTR_USER },
{ "trusted.", SQUASHFS_XATTR_TRUSTED },
{ "security.", SQUASHFS_XATTR_SECURITY },
};
int sqfs_get_xattr_prefix_id(const char *key)
{
size_t i, len;
for (i = 0; i < sizeof(xattr_types) / sizeof(xattr_types[0]); ++i) {
len = strlen(xattr_types[i].prefix);
if (strncmp(key, xattr_types[i].prefix, len) == 0 &&
strlen(key) > len) {
return xattr_types[i].type;
}
}
return -1;
}
const char *sqfs_get_xattr_prefix(E_SQFS_XATTR_TYPE id)
{
size_t i;
for (i = 0; i < sizeof(xattr_types) / sizeof(xattr_types[0]); ++i) {
if (xattr_types[i].type == id)
return xattr_types[i].prefix;
}
return NULL;
}
bool sqfs_has_xattr(const char *key)
{
return sqfs_get_xattr_prefix_id(key) >= 0;
}
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