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 "libbb.h" 11 12/* Used from NOFORK applets. Must not allocate anything */ 13 14int FAST_FUNC remove_file(const char *path, int flags) 15{ 16 struct stat path_stat; 17 18 if (lstat(path, &path_stat) < 0) { 19 if (errno != ENOENT) { 20 bb_perror_msg("can't stat '%s'", path); 21 return -1; 22 } 23 if (!(flags & FILEUTILS_FORCE)) { 24 bb_perror_msg("can't remove '%s'", path); 25 return -1; 26 } 27 return 0; 28 } 29 30 if (S_ISDIR(path_stat.st_mode)) { 31 DIR *dp; 32 struct dirent *d; 33 int status = 0; 34 35 if (!(flags & FILEUTILS_RECUR)) { 36 bb_error_msg("%s: is a directory", path); 37 return -1; 38 } 39 40 if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 && isatty(0)) 41 || (flags & FILEUTILS_INTERACTIVE) 42 ) { 43 fprintf(stderr, "%s: descend into directory '%s'? ", applet_name, 44 path); 45 if (!bb_ask_confirmation()) 46 return 0; 47 } 48 49 dp = opendir(path); 50 if (dp == NULL) { 51 return -1; 52 } 53 54 while ((d = readdir(dp)) != NULL) { 55 char *new_path; 56 57 new_path = concat_subpath_file(path, d->d_name); 58 if (new_path == NULL) 59 continue; 60 if (remove_file(new_path, flags) < 0) 61 status = -1; 62 free(new_path); 63 } 64 65 if (closedir(dp) < 0) { 66 bb_perror_msg("can't close '%s'", path); 67 return -1; 68 } 69 70 if (flags & FILEUTILS_INTERACTIVE) { 71 fprintf(stderr, "%s: remove directory '%s'? ", applet_name, path); 72 if (!bb_ask_confirmation()) 73 return status; 74 } 75 76 if (rmdir(path) < 0) { 77 bb_perror_msg("can't remove '%s'", path); 78 return -1; 79 } 80 81 return status; 82 } 83 84 /* !ISDIR */ 85 if ((!(flags & FILEUTILS_FORCE) 86 && access(path, W_OK) < 0 87 && !S_ISLNK(path_stat.st_mode) 88 && isatty(0)) 89 || (flags & FILEUTILS_INTERACTIVE) 90 ) { 91 fprintf(stderr, "%s: remove '%s'? ", applet_name, path); 92 if (!bb_ask_confirmation()) 93 return 0; 94 } 95 96 if (unlink(path) < 0) { 97 bb_perror_msg("can't remove '%s'", path); 98 return -1; 99 } 100 101 return 0; 102} 103