diff options
Diffstat (limited to 'src/checkpath.c')
| -rw-r--r-- | src/checkpath.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/src/checkpath.c b/src/checkpath.c deleted file mode 100644 index 612a0769..00000000 --- a/src/checkpath.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - checkpath.c - Checks for the existance of a file or directory and creates it - if necessary. It can also correct its ownership. - */ - -/* - * Copyright 2007 Roy Marples - * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <sys/types.h> -#include <sys/stat.h> -#include <errno.h> -#include <fcntl.h> -#include <getopt.h> -#include <grp.h> -#include <pwd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "builtins.h" -#include "einfo.h" -#include "rc-misc.h" - -static const char *applet; - -static int do_check (char *path, uid_t uid, gid_t gid, mode_t mode, int file) -{ - struct stat st; - - memset (&st, 0, sizeof (struct stat)); - - if (stat (path, &st)) { - if (file) { - int fd; - einfo ("%s: creating file", path); - if ((fd = open (path, O_CREAT)) == -1) { - eerror ("%s: open: %s", applet, strerror (errno)); - return (-1); - } - close (fd); - } else { - einfo ("%s: creating directory", path); - if (! mode) - mode = S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH; - if (mkdir (path, mode)) { - eerror ("%s: mkdir: %s", applet, strerror (errno)); - return (-1); - } - mode = 0; - } - } else { - if ((file && S_ISDIR (st.st_mode)) || - (! file && ! S_ISDIR (st.st_mode))) - { - if (file) - eerror ("%s: is a directory", path); - else - eerror ("%s: is a file", path); - return (-1); - } - } - - if (mode && (st.st_mode & 0777) != mode) { - einfo ("%s: correcting mode", applet); - if (chmod (path, mode)) { - eerror ("%s: chmod: %s", applet, strerror (errno)); - return (-1); - } - } - - if (st.st_uid != uid || st.st_gid != gid) { - if (st.st_dev || st.st_ino) - einfo ("%s: correcting owner", path); - if (chown (path, uid, gid)) { - eerror ("%s: chown: %s", applet, strerror (errno)); - return (-1); - } - } - - return (0); -} - -/* Based on busybox */ -static int parse_mode (mode_t *mode, char *text) -{ - /* Check for a numeric mode */ - if ((*mode - '0') < 8) { - char *p; - unsigned long l = strtoul (text, &p, 8); - if (*p || l > 07777U) { - errno = EINVAL; - return (-1); - } - *mode = l; - return (0); - } - - /* We currently don't check g+w type stuff */ - errno = EINVAL; - return (-1); -} - -static int parse_owner (struct passwd **user, struct group **group, - const char *owner) -{ - char *u = xstrdup (owner); - char *g = strchr (u, ':'); - int id = 0; - int retval = 0; - - if (g) - *g++ = '\0'; - - if (user && *u) { - if (sscanf (u, "%d", &id) == 1) - *user = getpwuid (id); - else - *user = getpwnam (u); - if (! *user) - retval = -1; - } - - if (group && g && *g) { - if (sscanf (g, "%d", &id) == 1) - *group = getgrgid (id); - else - *group = getgrnam (g); - if (! *group) - retval = -1; - } - - free (u); - return (retval); -} - -#include "_usage.h" -#define extraopts "dir1 dir2 ..." -#define getoptstring "fm:o:" getoptstring_COMMON -static struct option longopts[] = { - { "directory", 0, NULL, 'd'}, - { "file", 0, NULL, 'f'}, - { "mode", 1, NULL, 'm'}, - { "owner", 1, NULL, 'o'}, - longopts_COMMON -}; -static const char * const longopts_help[] = { - "Check if a directory", - "Check if a file", - "Mode to check", - "Owner to check (user:group)", - longopts_help_COMMON -}; -#include "_usage.c" - -int checkpath (int argc, char **argv) -{ - int opt; - uid_t uid = geteuid(); - gid_t gid = getgid(); - mode_t mode = 0; - struct passwd *pw = NULL; - struct group *gr = NULL; - bool file = 0; - int retval = EXIT_SUCCESS; - - applet = basename_c (argv[0]); - - while ((opt = getopt_long (argc, argv, getoptstring, - longopts, (int *) 0)) != -1) - { - switch (opt) { - case 'd': - file = 0; - break; - case 'f': - file = 1; - break; - case 'm': - if (parse_mode (&mode, optarg) != 0) - eerrorx ("%s: invalid mode `%s'", applet, optarg); - break; - case 'o': - if (parse_owner (&pw, &gr, optarg) != 0) - eerrorx ("%s: owner `%s' not found", applet, optarg); - break; - - case_RC_COMMON_GETOPT - } - } - - if (optind >= argc) - usage (EXIT_FAILURE); - - if (pw) { - uid = pw->pw_uid; - gid = pw->pw_gid; - } - if (gr) - gid = gr->gr_gid; - - while (optind < argc) { - if (do_check (argv[optind], uid, gid, mode, file)) - retval = EXIT_FAILURE; - optind++; - } - - exit (retval); -} |