dd88460800
Previously we needed to include headers required by the various sudo*h files. Now those files are more self-sufficient and we should only include headers needed by code in the various .c files.
119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2009-2017 Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* This is an open source non-commercial project. Dear PVS-Studio, please check it.
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* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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*/
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#include <config.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_STDBOOL_H
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# include <stdbool.h>
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#else
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# include "compat/stdbool.h"
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#endif /* HAVE_STDBOOL_H */
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif /* HAVE_STRING_H */
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif /* HAVE_STRINGS_H */
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#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#define DEFAULT_TEXT_DOMAIN "sudo"
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#include "sudo_gettext.h" /* must be included before sudo_compat.h */
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#include "sudo_compat.h"
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#include "sudo_fatal.h"
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#include "sudo_debug.h"
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#include "sudo_util.h"
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/*
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* Create any parent directories needed by path (but not path itself).
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* Note that path is modified but is restored before it returns.
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*/
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bool
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sudo_mkdir_parents_v1(char *path, uid_t uid, gid_t gid, mode_t mode, bool quiet)
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{
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char *slash = path;
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debug_decl(sudo_mkdir_parents, SUDO_DEBUG_UTIL);
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/* cppcheck-suppress nullPointerRedundantCheck */
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while ((slash = strchr(slash + 1, '/')) != NULL) {
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struct stat sb;
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int dfd;
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*slash = '\0';
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sudo_debug_printf(SUDO_DEBUG_DEBUG|SUDO_DEBUG_LINENO,
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"mkdir %s, mode 0%o, uid %d, gid %d", path, (unsigned int)mode,
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(int)uid, (int)gid);
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reopen:
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dfd = open(path, O_RDONLY|O_NONBLOCK);
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if (dfd == -1) {
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if (errno != ENOENT) {
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if (!quiet)
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sudo_warn(U_("unable to open %s"), path);
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goto bad;
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}
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if (mkdir(path, mode) == 0) {
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if (uid != (uid_t)-1 && gid != (gid_t)-1) {
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if (chown(path, uid, gid) != 0) {
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sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO,
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"%s: unable to chown %d:%d %s", __func__,
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(int)uid, (int)gid, path);
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}
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}
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} else {
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if (errno == EEXIST)
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goto reopen;
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if (!quiet)
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sudo_warn(U_("unable to mkdir %s"), path);
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goto bad;
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}
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} else {
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/* Already exists, make sure it is a directory. */
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int rc = fstat(dfd, &sb);
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close(dfd);
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if (rc != 0) {
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if (!quiet)
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sudo_warn(U_("unable to stat %s"), path);
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goto bad;
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}
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if (!S_ISDIR(sb.st_mode)) {
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if (!quiet)
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sudo_warnx(U_("%s exists but is not a directory (0%o)"),
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path, (unsigned int) sb.st_mode);
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goto bad;
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}
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}
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*slash = '/';
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}
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debug_return_bool(true);
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bad:
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/* We must restore the path before we return. */
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*slash = '/';
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debug_return_bool(false);
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}
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