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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