iolog_mkpath.c

/*
 * SPDX-License-Identifier: ISC
 *
 * Copyright (c) 2009-2021 Todd C. Miller <[email protected]>
 *
 * 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.
 */

#include <config.h>

#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_STDBOOL_H
# include <stdbool.h>
#else
# include <compat/stdbool.h>
#endif
#include <string.h>

#include <sudo_compat.h>
#include <sudo_debug.h>
#include <sudo_iolog.h>

/*
 * Create path and any intermediate directories.
 * If path ends in 'XXXXXX', use mkdtemp().
 */
bool
iolog_mkpath(char *path)
{
    size_t len;
    bool ret;
    debug_decl(iolog_mkpath, SUDO_DEBUG_UTIL);

    /*
     * Create path and intermediate subdirs as needed.
     * If path ends in at least 6 Xs (ala POSIX mktemp), use mkdtemp().
     * Sets iolog_gid (if it is not already set) as a side effect.
     */
    len = strlen(path);
    if (len >= 6 && strcmp(&path[len - 6], "XXXXXX") == 0)
	ret = iolog_mkdtemp(path);
    else
	ret = iolog_mkdirs(path);

    sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, "iolog path %s", path);

    debug_return_bool(ret);
}