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 "config.h" 23 #include <sys/types.h> 24 #include <dirent.h> 25 #ifdef HAVE_ERRNO_H 26 #include <errno.h> 27 #endif 28 #include <fcntl.h> 29 #ifdef HAVE_GETOPT_H 30 #include <getopt.h> 31 #else 32 extern int optind; 33 extern char *optarg; 34 #endif 35 #include <stdio.h> 36 #include <unistd.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <sys/param.h> 40 #include <sys/stat.h> 41 42 #include "ext2fs/ext2_fs.h" 43 #include "et/com_err.h" 44 #include "e2p/e2p.h" 45 46 #include "support/nls-enable.h" 47 #include "../version.h" 48 49 #ifdef __GNUC__ 50 #define EXT2FS_ATTR(x) __attribute__(x) 51 #else 52 #define EXT2FS_ATTR(x) 53 #endif 54 55 static const char * program_name = "lsattr"; 56 57 static int all; 58 static int dirs_opt; 59 static unsigned pf_options; 60 static int recursive; 61 static int verbose; 62 static int generation_opt; 63 static int project_opt; 64 65 #ifdef _LFS64_LARGEFILE 66 #define LSTAT lstat64 67 #define STRUCT_STAT struct stat64 68 #else 69 #define LSTAT lstat 70 #define STRUCT_STAT struct stat 71 #endif 72 73 static void usage(void) 74 { 75 fprintf(stderr, _("Usage: %s [-RVadlpv] [files...]\n"), program_name); 76 exit(1); 77 } 78 79 static int list_attributes (const char * name) 80 { 81 unsigned long flags; 82 unsigned long generation; 83 unsigned long project; 84 85 if (fgetflags (name, &flags) == -1) { 86 com_err (program_name, errno, _("While reading flags on %s"), 87 name); 88 return -1; 89 } 90 if (project_opt) { 91 if (fgetproject(name, &project) == -1) { 92 com_err (program_name, errno, 93 _("While reading project on %s"), 94 name); 95 return -1; 96 } 97 printf ("%5lu ", project); 98 } 99 if (generation_opt) { 100 if (fgetversion (name, &generation) == -1) { 101 com_err (program_name, errno, 102 _("While reading version on %s"), 103 name); 104 return -1; 105 } 106 printf ("%-10lu ", generation); 107 } 108 if (pf_options & PFOPT_LONG) { 109 printf("%-28s ", name); 110 print_flags(stdout, flags, pf_options); 111 fputc('\n', stdout); 112 } else { 113 print_flags(stdout, flags, pf_options); 114 printf(" %s\n", name); 115 } 116 return 0; 117 } 118 119 static int lsattr_dir_proc (const char *, struct dirent *, void *); 120 121 static int lsattr_args (const char * name) 122 { 123 STRUCT_STAT st; 124 int retval = 0; 125 126 if (LSTAT (name, &st) == -1) { 127 com_err (program_name, errno, _("while trying to stat %s"), 128 name); 129 retval = -1; 130 } else { 131 if (S_ISDIR(st.st_mode) && !dirs_opt) 132 retval = iterate_on_dir (name, lsattr_dir_proc, NULL); 133 else 134 retval = list_attributes (name); 135 } 136 return retval; 137 } 138 139 static int lsattr_dir_proc (const char * dir_name, struct dirent * de, 140 void * private EXT2FS_ATTR((unused))) 141 { 142 STRUCT_STAT st; 143 char *path; 144 int dir_len = strlen(dir_name); 145 146 path = malloc(dir_len + strlen (de->d_name) + 2); 147 148 if (dir_len && dir_name[dir_len-1] == '/') 149 sprintf (path, "%s%s", dir_name, de->d_name); 150 else 151 sprintf (path, "%s/%s", dir_name, de->d_name); 152 if (LSTAT (path, &st) == -1) 153 perror (path); 154 else { 155 if (de->d_name[0] != '.' || all) { 156 list_attributes (path); 157 if (S_ISDIR(st.st_mode) && recursive && 158 strcmp(de->d_name, ".") && 159 strcmp(de->d_name, "..")) { 160 printf ("\n%s:\n", path); 161 iterate_on_dir (path, lsattr_dir_proc, NULL); 162 printf ("\n"); 163 } 164 } 165 } 166 free(path); 167 return 0; 168 } 169 170 int main (int argc, char ** argv) 171 { 172 int c; 173 int i; 174 int err, retval = 0; 175 176 #ifdef ENABLE_NLS 177 setlocale(LC_MESSAGES, ""); 178 setlocale(LC_CTYPE, ""); 179 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 180 textdomain(NLS_CAT_NAME); 181 set_com_err_gettext(gettext); 182 #endif 183 if (argc && *argv) 184 program_name = *argv; 185 while ((c = getopt (argc, argv, "RVadlvp")) != EOF) 186 switch (c) 187 { 188 case 'R': 189 recursive = 1; 190 break; 191 case 'V': 192 verbose = 1; 193 break; 194 case 'a': 195 all = 1; 196 break; 197 case 'd': 198 dirs_opt = 1; 199 break; 200 case 'l': 201 pf_options = PFOPT_LONG; 202 break; 203 case 'v': 204 generation_opt = 1; 205 break; 206 case 'p': 207 project_opt = 1; 208 break; 209 default: 210 usage(); 211 } 212 213 if (verbose) 214 fprintf (stderr, "lsattr %s (%s)\n", 215 E2FSPROGS_VERSION, E2FSPROGS_DATE); 216 if (optind > argc - 1) { 217 if (lsattr_args (".") == -1) 218 retval = 1; 219 } else { 220 for (i = optind; i < argc; i++) { 221 err = lsattr_args (argv[i]); 222 if (err) 223 retval = 1; 224 } 225 } 226 exit(retval); 227 } 228