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