[821] | 1 | /* vi: set sw=4 ts=4: */
|
---|
| 2 | /*
|
---|
| 3 | * Mini remove_file implementation for busybox
|
---|
| 4 | *
|
---|
| 5 | * Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
|
---|
| 6 | *
|
---|
| 7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
---|
| 8 | */
|
---|
| 9 |
|
---|
| 10 | #include <stdio.h>
|
---|
| 11 | #include <time.h>
|
---|
| 12 | #include <utime.h>
|
---|
| 13 | #include <dirent.h>
|
---|
| 14 | #include <errno.h>
|
---|
| 15 | #include <unistd.h>
|
---|
| 16 | #include <stdlib.h>
|
---|
| 17 | #include <string.h>
|
---|
| 18 | #include <getopt.h>
|
---|
| 19 | #include "libbb.h"
|
---|
| 20 |
|
---|
| 21 | int remove_file(const char *path, int flags)
|
---|
| 22 | {
|
---|
| 23 | struct stat path_stat;
|
---|
| 24 | int path_exists = 1;
|
---|
| 25 |
|
---|
| 26 | if (lstat(path, &path_stat) < 0) {
|
---|
| 27 | if (errno != ENOENT) {
|
---|
| 28 | bb_perror_msg("unable to stat `%s'", path);
|
---|
| 29 | return -1;
|
---|
| 30 | }
|
---|
| 31 |
|
---|
| 32 | path_exists = 0;
|
---|
| 33 | }
|
---|
| 34 |
|
---|
| 35 | if (!path_exists) {
|
---|
| 36 | if (!(flags & FILEUTILS_FORCE)) {
|
---|
| 37 | bb_perror_msg("cannot remove `%s'", path);
|
---|
| 38 | return -1;
|
---|
| 39 | }
|
---|
| 40 | return 0;
|
---|
| 41 | }
|
---|
| 42 |
|
---|
| 43 | if (S_ISDIR(path_stat.st_mode)) {
|
---|
| 44 | DIR *dp;
|
---|
| 45 | struct dirent *d;
|
---|
| 46 | int status = 0;
|
---|
| 47 |
|
---|
| 48 | if (!(flags & FILEUTILS_RECUR)) {
|
---|
| 49 | bb_error_msg("%s: is a directory", path);
|
---|
| 50 | return -1;
|
---|
| 51 | }
|
---|
| 52 |
|
---|
| 53 | if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 &&
|
---|
| 54 | isatty(0)) ||
|
---|
| 55 | (flags & FILEUTILS_INTERACTIVE)) {
|
---|
| 56 | fprintf(stderr, "%s: descend into directory `%s'? ", bb_applet_name,
|
---|
| 57 | path);
|
---|
| 58 | if (!bb_ask_confirmation())
|
---|
| 59 | return 0;
|
---|
| 60 | }
|
---|
| 61 |
|
---|
| 62 | if ((dp = bb_opendir(path)) == NULL) {
|
---|
| 63 | return -1;
|
---|
| 64 | }
|
---|
| 65 |
|
---|
| 66 | while ((d = readdir(dp)) != NULL) {
|
---|
| 67 | char *new_path;
|
---|
| 68 |
|
---|
| 69 | new_path = concat_subpath_file(path, d->d_name);
|
---|
| 70 | if(new_path == NULL)
|
---|
| 71 | continue;
|
---|
| 72 | if (remove_file(new_path, flags) < 0)
|
---|
| 73 | status = -1;
|
---|
| 74 | free(new_path);
|
---|
| 75 | }
|
---|
| 76 |
|
---|
| 77 | if (closedir(dp) < 0) {
|
---|
| 78 | bb_perror_msg("unable to close `%s'", path);
|
---|
| 79 | return -1;
|
---|
| 80 | }
|
---|
| 81 |
|
---|
| 82 | if (flags & FILEUTILS_INTERACTIVE) {
|
---|
| 83 | fprintf(stderr, "%s: remove directory `%s'? ", bb_applet_name, path);
|
---|
| 84 | if (!bb_ask_confirmation())
|
---|
| 85 | return status;
|
---|
| 86 | }
|
---|
| 87 |
|
---|
| 88 | if (rmdir(path) < 0) {
|
---|
| 89 | bb_perror_msg("unable to remove `%s'", path);
|
---|
| 90 | return -1;
|
---|
| 91 | }
|
---|
| 92 |
|
---|
| 93 | return status;
|
---|
| 94 | } else {
|
---|
| 95 | if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 &&
|
---|
| 96 | !S_ISLNK(path_stat.st_mode) &&
|
---|
| 97 | isatty(0)) ||
|
---|
| 98 | (flags & FILEUTILS_INTERACTIVE)) {
|
---|
| 99 | fprintf(stderr, "%s: remove `%s'? ", bb_applet_name, path);
|
---|
| 100 | if (!bb_ask_confirmation())
|
---|
| 101 | return 0;
|
---|
| 102 | }
|
---|
| 103 |
|
---|
| 104 | if (unlink(path) < 0) {
|
---|
| 105 | bb_perror_msg("unable to remove `%s'", path);
|
---|
| 106 | return -1;
|
---|
| 107 | }
|
---|
| 108 |
|
---|
| 109 | return 0;
|
---|
| 110 | }
|
---|
| 111 | }
|
---|