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 int 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 -1; 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 -1; 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 return 0; 105 } 106 107 static int lsattr_dir_proc (const char *, struct dirent *, void *); 108 109 static int lsattr_args (const char * name) 110 { 111 STRUCT_STAT st; 112 int retval = 0; 113 114 if (LSTAT (name, &st) == -1) { 115 com_err (program_name, errno, _("while trying to stat %s"), 116 name); 117 retval = -1; 118 } else { 119 if (S_ISDIR(st.st_mode) && !dirs_opt) 120 retval = iterate_on_dir (name, lsattr_dir_proc, NULL); 121 else 122 retval = list_attributes (name); 123 } 124 return retval; 125 } 126 127 static int lsattr_dir_proc (const char * dir_name, struct dirent * de, 128 void * private EXT2FS_ATTR((unused))) 129 { 130 STRUCT_STAT st; 131 char *path; 132 int dir_len = strlen(dir_name); 133 134 path = malloc(dir_len + strlen (de->d_name) + 2); 135 136 if (dir_len && dir_name[dir_len-1] == '/') 137 sprintf (path, "%s%s", dir_name, de->d_name); 138 else 139 sprintf (path, "%s/%s", dir_name, de->d_name); 140 if (LSTAT (path, &st) == -1) 141 perror (path); 142 else { 143 if (de->d_name[0] != '.' || all) { 144 list_attributes (path); 145 if (S_ISDIR(st.st_mode) && recursive && 146 strcmp(de->d_name, ".") && 147 strcmp(de->d_name, "..")) { 148 printf ("\n%s:\n", path); 149 iterate_on_dir (path, lsattr_dir_proc, NULL); 150 printf ("\n"); 151 } 152 } 153 } 154 free(path); 155 return 0; 156 } 157 158 int main (int argc, char ** argv) 159 { 160 int c; 161 int i; 162 int err, retval = 0; 163 164 #ifdef ENABLE_NLS 165 setlocale(LC_MESSAGES, ""); 166 setlocale(LC_CTYPE, ""); 167 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 168 textdomain(NLS_CAT_NAME); 169 #endif 170 if (argc && *argv) 171 program_name = *argv; 172 while ((c = getopt (argc, argv, "RVadlv")) != EOF) 173 switch (c) 174 { 175 case 'R': 176 recursive = 1; 177 break; 178 case 'V': 179 verbose = 1; 180 break; 181 case 'a': 182 all = 1; 183 break; 184 case 'd': 185 dirs_opt = 1; 186 break; 187 case 'l': 188 pf_options = PFOPT_LONG; 189 break; 190 case 'v': 191 generation_opt = 1; 192 break; 193 default: 194 usage(); 195 } 196 197 if (verbose) 198 fprintf (stderr, "lsattr %s (%s)\n", 199 E2FSPROGS_VERSION, E2FSPROGS_DATE); 200 if (optind > argc - 1) { 201 if (lsattr_args (".") == -1) 202 retval = 1; 203 } else { 204 for (i = optind; i < argc; i++) { 205 err = lsattr_args (argv[i]); 206 if (err) 207 retval = 1; 208 } 209 } 210 exit(retval); 211 } 212
