1 /* 2 * List filesystem objects using the client library. 3 * 4 * Copyright (C) 2019, 2022 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <string.h> 25 26 #include <sys/stat.h> 27 #include <sys/types.h> 28 29 #include <e2access/format.h> /* get_permission_string */ 30 #include <e2access/path.h> 31 #include <fsclient/client.h> 32 33 #include "ops.h" 34 35 36 37 /* Show object details. */ 38 39 static void _show_object(const char *basename, struct stat *st) 40 { 41 printf("%s%s %5d %5d %6ld %6ld %s\n", 42 S_ISDIR(st->st_mode) ? "d" : "-", 43 get_permission_string(st->st_mode), 44 st->st_uid, 45 st->st_gid, 46 st->st_size, 47 st->st_nlink, 48 basename); 49 } 50 51 /* Show an object in a directory. */ 52 53 static int _show_dirent(const char *dirname, struct dirent *dirent) 54 { 55 struct stat st; 56 char path[strlen(dirname) + 1 + strlen(dirent->d_name) + 1]; 57 58 sprintf(path, "%s/%s", dirname, dirent->d_name); 59 60 if (client_stat(path, &st)) 61 return 1; 62 63 _show_object(dirent->d_name, &st); 64 65 return 0; 66 } 67 68 /* List a directory or file. */ 69 70 static int _list_object(const char *path) 71 { 72 struct stat st; 73 file_t *reader; 74 struct dirent *dirent; 75 76 if (client_stat(path, &st)) 77 return 1; 78 79 if (S_ISDIR(st.st_mode)) 80 { 81 reader = client_opendir(path); 82 83 if (reader == NULL) 84 return 1; 85 86 /* Show the directory entries. */ 87 88 while ((dirent = client_readdir(reader)) != NULL) 89 { 90 if (_show_dirent(path, dirent)) 91 { 92 free(dirent); 93 return 1; 94 } 95 96 free(dirent); 97 } 98 99 client_close(reader); 100 } 101 else 102 _show_object(path_basename(path), &st); 103 104 return 0; 105 } 106 107 /* List objects in the filesystem image. */ 108 109 int list_objects(int argc, char *argv[]) 110 { 111 int i; 112 char *path; 113 114 for (i = 0; i < argc; i++) 115 { 116 path = argv[i]; 117 118 /* Emit each object. */ 119 120 puts(path); 121 122 /* List individual files or directories. */ 123 124 if (_list_object(path)) 125 { 126 fprintf(stderr, "Failed to list object: %s\n", path); 127 return 1; 128 } 129 } 130 131 return 0; 132 } 133 134 /* vim: tabstop=4 expandtab shiftwidth=4 135 */