1 /* 2 * lsattr.c - List file attributes on an ext2 file system 3 * 4 * Copyright (C) 1993, 1994 Remy Card <card (at) masi.ibp.fr> 5 * Laboratoire MASI, Institut Blaise Pascal 6 * Universite Pierre et Marie Curie (Paris VI) 7 * 8 * This file can be redistributed under the terms of the GNU General 9 * Public License 10 */ 11 12 /* 13 * History: 14 * 93/10/30 - Creation 15 * 93/11/13 - Replace stat() calls by lstat() to avoid loops 16 * 94/02/27 - Integrated in Ted's distribution 17 * 98/12/29 - Display version info only when -V specified (G M Sipe) 18 */ 19 20 #define _LARGEFILE64_SOURCE 21 22 #include <sys/types.h> 23 #include <dirent.h> 24 #ifdef HAVE_ERRNO_H 25 #include <errno.h> 26 #endif 27 #include <fcntl.h> 28 #ifdef HAVE_GETOPT_H 29 #include <getopt.h> 30 #else 31 extern int optind; 32 extern char *optarg; 33 #endif 34 #include <stdio.h> 35 #include <unistd.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <sys/param.h> 39 #include <sys/stat.h> 40 41 #include "ext2fs/ext2_fs.h" 42 #include "et/com_err.h" 43 #include "e2p/e2p.h" 44 45 #include "../version.h" 46 #include "nls-enable.h" 47 48 #ifdef __GNUC__ 49 #define EXT2FS_ATTR(x) __attribute__(x) 50 #else 51 #define EXT2FS_ATTR(x) 52 #endif 53 54 static const char * program_name = "lsattr"; 55 56 static int all; 57 static int dirs_opt; 58 static unsigned pf_options; 59 static int recursive; 60 static int verbose; 61 static int generation_opt; 62 63 #ifdef _LFS64_LARGEFILE 64 #define LSTAT lstat64 65 #define STRUCT_STAT struct stat64 66 #else 67 #define LSTAT lstat 68 #define STRUCT_STAT struct stat 69 #endif 70 71 static void usage(void) 72 { 73 fprintf(stderr, _("Usage: %s [-RVadlv] [files...]\n"), program_name); 74 exit(1); 75 } 76 77 static void list_attributes (const char * name) 78 { 79 unsigned long flags; 80 unsigned long generation; 81 82 if (fgetflags (name, &flags) == -1) { 83 com_err (program_name, errno, _("While reading flags on %s"), 84 name); 85 return; 86 } 87 if (generation_opt) { 88 if (fgetversion (name, &generation) == -1) { 89 com_err (program_name, errno, 90 _("While reading version on %s"), 91 name); 92 return; 93 } 94 printf ("%5lu ", generation); 95 } 96 if (pf_options & PFOPT_LONG) { 97 printf("%-28s ", name); 98 print_flags(stdout, flags, pf_options); 99 fputc('\n', stdout); 100 } else { 101 print_flags(stdout, flags, pf_options); 102 printf(" %s\n", name); 103 } 104 } 105 106 static int lsattr_dir_proc (const char *, struct dirent *, void *); 107 108 static void lsattr_args (const char * name) 109 { 110 STRUCT_STAT st; 111 112 if (LSTAT (name, &st) == -1) 113 com_err (program_name, errno, _("while trying to stat %s"), 114 name); 115 else { 116 if (S_ISDIR(st.st_mode) && !dirs_opt) 117 iterate_on_dir (name, lsattr_dir_proc, NULL); 118 else 119 list_attributes (name); 120 } 121 } 122 123 static int lsattr_dir_proc (const char * dir_name, struct dirent * de, 124 void * private EXT2FS_ATTR((unused))) 125 { 126 STRUCT_STAT st; 127 char *path; 128 int dir_len = strlen(dir_name); 129 130 path = malloc(dir_len + strlen (de->d_name) + 2); 131 132 if (dir_len && dir_name[dir_len-1] == '/') 133 sprintf (path, "%s%s", dir_name, de->d_name); 134 else 135 sprintf (path, "%s/%s", dir_name, de->d_name); 136 if (LSTAT (path, &st) == -1) 137 perror (path); 138 else { 139 if (de->d_name[0] != '.' || all) { 140 list_attributes (path); 141 if (S_ISDIR(st.st_mode) && recursive && 142 strcmp(de->d_name, ".") && 143 strcmp(de->d_name, "..")) { 144 printf ("\n%s:\n", path); 145 iterate_on_dir (path, lsattr_dir_proc, NULL); 146 printf ("\n"); 147 } 148 } 149 } 150 free(path); 151 return 0; 152 } 153 154 int main (int argc, char ** argv) 155 { 156 int c; 157 int i; 158 159 #ifdef ENABLE_NLS 160 setlocale(LC_MESSAGES, ""); 161 setlocale(LC_CTYPE, ""); 162 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 163 textdomain(NLS_CAT_NAME); 164 #endif 165 if (argc && *argv) 166 program_name = *argv; 167 while ((c = getopt (argc, argv, "RVadlv")) != EOF) 168 switch (c) 169 { 170 case 'R': 171 recursive = 1; 172 break; 173 case 'V': 174 verbose = 1; 175 break; 176 case 'a': 177 all = 1; 178 break; 179 case 'd': 180 dirs_opt = 1; 181 break; 182 case 'l': 183 pf_options = PFOPT_LONG; 184 break; 185 case 'v': 186 generation_opt = 1; 187 break; 188 default: 189 usage(); 190 } 191 192 if (verbose) 193 fprintf (stderr, "lsattr %s (%s)\n", 194 E2FSPROGS_VERSION, E2FSPROGS_DATE); 195 if (optind > argc - 1) 196 lsattr_args ("."); 197 else 198 for (i = optind; i < argc; i++) 199 lsattr_args (argv[i]); 200 exit(0); 201 } 202
