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Check the returned name from blkid_get_devname in tune2fs and
[tools/e2fsprogs.git] / misc / tune2fs.c
index c53d20d..f95aed4 100644 (file)
@@ -48,7 +48,7 @@ extern int optind;
 #include "e2p/e2p.h"
 #include "jfs_user.h"
 #include "util.h"
-#include "get_device_by_label.h"
+#include "blkid/blkid.h"
 
 #include "../version.h"
 #include "nls-enable.h"
@@ -57,7 +57,8 @@ const char * program_name = "tune2fs";
 char * device_name;
 char * new_label, *new_last_mounted, *new_UUID;
 static int c_flag, C_flag, e_flag, f_flag, g_flag, i_flag, l_flag, L_flag;
-static int m_flag, M_flag, r_flag, s_flag = -1, u_flag, U_flag;
+static int m_flag, M_flag, r_flag, s_flag = -1, u_flag, U_flag, T_flag;
+static time_t last_check_time;
 static int print_label;
 static int max_mount_count, mount_count, mount_flags;
 static unsigned long interval, reserved_ratio, reserved_blocks;
@@ -65,27 +66,33 @@ static unsigned long resgid, resuid;
 static unsigned short errors;
 static int open_flag;
 static char *features_cmd;
+static char *mntopts_cmd;
 
 int journal_size, journal_flags;
 char *journal_device;
 
 static const char *please_fsck = N_("Please run e2fsck on the filesystem.\n");
 
+void do_findfs(int argc, char **argv);
+
 static void usage(void)
 {
        fprintf(stderr,
                _("Usage: %s [-c max-mounts-count] [-e errors-behavior] "
                  "[-g group]\n"
-                "\t[-i interval[d|m|w]] [-j] [-J journal-options]\n"
-                "\t[-l] [-s sparse-flag] [-m reserved-blocks-percent]\n"
-                 "\t[-r reserved-blocks-count] [-u user] [-C mount-count]\n"
-                 "\t[-L volume-label] [-M last-mounted-dir] [-U UUID]\n"
-                 "\t[-O [^]feature[,...]] device\n"), program_name);
+                 "\t[-i interval[d|m|w]] [-j] [-J journal-options]\n"
+                 "\t[-l] [-s sparse-flag] [-m reserved-blocks-percent]\n"
+                 "\t[-o [^]mount-options[,...]] [-r reserved-blocks-count]\n"
+                 "\t[-u user] [-C mount-count] [-L volume-label] "
+                 "[-M last-mounted-dir]\n"
+                 "\t[-O [^]feature[,...]] [-T last-check-time] [-U UUID]"
+                 " device\n"), program_name);
        exit (1);
 }
 
 static __u32 ok_features[3] = {
-       EXT3_FEATURE_COMPAT_HAS_JOURNAL,        /* Compat */
+       EXT3_FEATURE_COMPAT_HAS_JOURNAL |
+               EXT2_FEATURE_COMPAT_DIR_INDEX,  /* Compat */
        EXT2_FEATURE_INCOMPAT_FILETYPE,         /* Incompat */
        EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER     /* R/O compat */
 };
@@ -95,30 +102,37 @@ static __u32 ok_features[3] = {
  */
 static void remove_journal_device(ext2_filsys fs)
 {
-       char            *journal_device;
+       char            *journal_path;
        ext2_filsys     jfs;
        char            buf[1024];
        journal_superblock_t    *jsb;
        int             i, nr_users;
        errcode_t       retval;
        int             commit_remove_journal = 0;
+       io_manager      io_ptr;
 
        if (f_flag)
                commit_remove_journal = 1; /* force removal even if error */
 
        uuid_unparse(fs->super->s_journal_uuid, buf);
-       journal_device = get_spec_by_uuid(buf);
+       journal_path = blkid_get_devname(NULL, "UUID", buf);
 
-       if (!journal_device) {
-               journal_device =
+       if (!journal_path) {
+               journal_path =
                        ext2fs_find_block_device(fs->super->s_journal_dev);
-               if (!journal_device)
+               if (!journal_path)
                        return;
        }
 
-       retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
+#ifdef CONFIG_TESTIO_DEBUG
+       io_ptr = test_io_manager;
+       test_io_backing_manager = unix_io_manager;
+#else
+       io_ptr = unix_io_manager;
+#endif
+       retval = ext2fs_open(journal_path, EXT2_FLAG_RW|
                             EXT2_FLAG_JOURNAL_DEV_OK, 0,
-                            fs->blocksize, unix_io_manager, &jfs);
+                            fs->blocksize, io_ptr, &jfs);
        if (retval) {
                com_err(program_name, retval,
                        _("while trying to open external journal"));
@@ -126,7 +140,7 @@ static void remove_journal_device(ext2_filsys fs)
        }
        if (!(jfs->super->s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) {
                fprintf(stderr, _("%s is not a journal device.\n"),
-                       journal_device);
+                       journal_path);
                goto no_valid_journal;
        }
 
@@ -177,11 +191,10 @@ no_valid_journal:
                exit(1);
        }
        fs->super->s_journal_dev = 0;
-       memset(fs->super->s_journal_uuid, 0,
-              sizeof(fs->super->s_journal_uuid));
+       uuid_clear(fs->super->s_journal_uuid);
        ext2fs_mark_super_dirty(fs);
        printf(_("Journal removed\n"));
-       free(journal_device);
+       free(journal_path);
 }
 
 /* Helper function for remove_journal_inode */
@@ -207,7 +220,6 @@ static void remove_journal_inode(ext2_filsys fs)
        struct ext2_inode       inode;
        errcode_t               retval;
        ino_t                   ino = fs->super->s_journal_inum;
-       int                     group;
        
        retval = ext2fs_read_inode(fs, ino,  &inode);
        if (retval) {
@@ -231,7 +243,6 @@ static void remove_journal_inode(ext2_filsys fs)
                }
                memset(&inode, 0, sizeof(inode));
                ext2fs_mark_bb_dirty(fs);
-               group = ext2fs_group_of_ino(fs, ino);
                fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
        } else
                inode.i_flags &= ~EXT2_IMMUTABLE_FL;
@@ -246,15 +257,28 @@ static void remove_journal_inode(ext2_filsys fs)
 }
 
 /*
+ * Update the default mount options
+ */
+static void update_mntopts(ext2_filsys fs, char *mntopts)
+{
+       struct ext2_super_block *sb= fs->super;
+
+       if (e2p_edit_mntopts(mntopts, &sb->s_default_mount_opts, ~0)) {
+               fprintf(stderr, _("Invalid mount option set: %s\n"),
+                       mntopts);
+               exit(1);
+       }
+       ext2fs_mark_super_dirty(fs);
+}
+
+/*
  * Update the feature set as provided by the user.
  */
 static void update_feature_set(ext2_filsys fs, char *features)
 {
        int sparse, old_sparse, filetype, old_filetype;
-       int journal, old_journal;
-       struct ext2_inode       inode;
+       int journal, old_journal, dxdir, old_dxdir;
        struct ext2_super_block *sb= fs->super;
-       errcode_t               retval;
 
        old_sparse = sb->s_feature_ro_compat &
                EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
@@ -262,6 +286,8 @@ static void update_feature_set(ext2_filsys fs, char *features)
                EXT2_FEATURE_INCOMPAT_FILETYPE;
        old_journal = sb->s_feature_compat &
                EXT3_FEATURE_COMPAT_HAS_JOURNAL;
+       old_dxdir = sb->s_feature_compat &
+               EXT2_FEATURE_COMPAT_DIR_INDEX;
        if (e2p_edit_feature(features, &sb->s_feature_compat,
                             ok_features)) {
                fprintf(stderr, _("Invalid filesystem option set: %s\n"),
@@ -274,6 +300,8 @@ static void update_feature_set(ext2_filsys fs, char *features)
                EXT2_FEATURE_INCOMPAT_FILETYPE;
        journal = sb->s_feature_compat &
                EXT3_FEATURE_COMPAT_HAS_JOURNAL;
+       dxdir = sb->s_feature_compat &
+               EXT2_FEATURE_COMPAT_DIR_INDEX;
        if (old_journal && !journal) {
                if ((mount_flags & EXT2_MF_MOUNTED) &&
                    !(mount_flags & EXT2_MF_READONLY)) {
@@ -310,6 +338,12 @@ static void update_feature_set(ext2_filsys fs, char *features)
                        journal_size = -1;
                sb->s_feature_compat &= ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
        }
+       if (dxdir && !old_dxdir) {
+               if (!sb->s_def_hash_version)
+                       sb->s_def_hash_version = EXT2_HASH_TEA;
+               if (uuid_is_null((unsigned char *) sb->s_hash_seed))
+                       uuid_generate((unsigned char *) sb->s_hash_seed);
+       }
 
        if (sb->s_rev_level == EXT2_GOOD_OLD_REV &&
            (sb->s_feature_compat || sb->s_feature_ro_compat ||
@@ -331,6 +365,7 @@ static void add_journal(ext2_filsys fs)
        unsigned long journal_blocks;
        errcode_t       retval;
        ext2_filsys     jfs;
+       io_manager      io_ptr;
 
        if (fs->super->s_feature_compat &
            EXT3_FEATURE_COMPAT_HAS_JOURNAL) {
@@ -340,9 +375,15 @@ static void add_journal(ext2_filsys fs)
        if (journal_device) {
                check_plausibility(journal_device);
                check_mount(journal_device, 0, _("journal"));
+#ifdef CONFIG_TESTIO_DEBUG
+               io_ptr = test_io_manager;
+               test_io_backing_manager = unix_io_manager;
+#else
+               io_ptr = unix_io_manager;
+#endif
                retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
                                     EXT2_FLAG_JOURNAL_DEV_OK, 0,
-                                    fs->blocksize, unix_io_manager, &jfs);
+                                    fs->blocksize, io_ptr, &jfs);
                if (retval) {
                        com_err(program_name, retval,
                                _("\n\twhile trying to open journal on %s\n"),
@@ -392,20 +433,6 @@ err:
        exit(1);
 }
 
-/*
- * Given argv[0], return the program name.
- */
-static char *get_progname(char *argv_zero)
-{
-       char    *cp;
-
-       cp = strrchr(argv_zero, '/');
-       if (!cp )
-               return argv_zero;
-       else
-               return cp+1;
-}
-
 
 static void parse_e2label_options(int argc, char ** argv)
 {
@@ -413,7 +440,12 @@ static void parse_e2label_options(int argc, char ** argv)
                fprintf(stderr, _("Usage: e2label device [newlabel]\n"));
                exit(1);
        }
-       device_name = argv[1];
+       device_name = blkid_get_devname(NULL, argv[1], NULL);
+       if (!device_name) {
+               com_err("e2label", 0, _("Unable to resolve '%s'"), 
+                       argv[1]);
+               exit(1);
+       }
        if (argc == 3) {
                open_flag = EXT2_FLAG_RW | EXT2_FLAG_JOURNAL_DEV_OK;
                L_flag = 1;
@@ -422,6 +454,34 @@ static void parse_e2label_options(int argc, char ** argv)
                print_label++;
 }
 
+static time_t parse_time(char *str)
+{
+       struct  tm      ts;
+
+       if (strcmp(str, "now") == 0) {
+               return (time(0));
+       }
+       memset(&ts, 0, sizeof(ts));
+#ifdef HAVE_STRPTIME
+       strptime(optarg, "%Y%m%d%H%M%S", &ts);
+#else
+       sscanf(optarg, "%4d%2d%2d%2d%2d%2d", &ts.tm_year, &ts.tm_mon,
+              &ts.tm_mday, &ts.tm_hour, &ts.tm_min, &ts.tm_sec);
+       ts.tm_year -= 1900;
+       ts.tm_mon -= 1;
+       if (ts.tm_year < 0 || ts.tm_mon < 0 || ts.tm_mon > 11 ||
+           ts.tm_mday < 0 || ts.tm_mday > 31 || ts.tm_hour > 23 ||
+           ts.tm_min > 59 || ts.tm_sec > 61)
+               ts.tm_mday = 0;
+#endif
+       if (ts.tm_mday == 0) {
+               com_err(program_name, 0,
+                       _("Couldn't parse date/time specifier: %s"),
+                       str);
+               usage();
+       }
+       return (mktime(&ts));
+}
 
 static void parse_tune2fs_options(int argc, char **argv)
 {
@@ -431,7 +491,7 @@ static void parse_tune2fs_options(int argc, char **argv)
        struct passwd * pw;
 
        printf("tune2fs %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE);
-       while ((c = getopt (argc, argv, "c:e:fg:i:jlm:r:s:u:C:J:L:M:O:U:")) != EOF)
+       while ((c = getopt(argc, argv, "c:e:fg:i:jlm:o:r:s:u:C:J:L:M:O:T:U:")) != EOF)
                switch (c)
                {
                        case 'c':
@@ -563,6 +623,16 @@ static void parse_tune2fs_options(int argc, char **argv)
                                M_flag = 1;
                                open_flag = EXT2_FLAG_RW;
                                break;
+                       case 'o':
+                               if (mntopts_cmd) {
+                                       com_err (program_name, 0,
+                                        _("-o may only be specified once"));
+                                       usage();
+                               }
+                               mntopts_cmd = optarg;
+                               open_flag = EXT2_FLAG_RW;
+                               break;
+                               
                        case 'O':
                                if (features_cmd) {
                                        com_err (program_name, 0,
@@ -587,6 +657,11 @@ static void parse_tune2fs_options(int argc, char **argv)
                                s_flag = atoi(optarg);
                                open_flag = EXT2_FLAG_RW;
                                break;
+                       case 'T':
+                               T_flag = 1;
+                               last_check_time = parse_time(optarg);
+                               open_flag = EXT2_FLAG_RW;
+                               break;
                        case 'u':
                                resuid = strtoul (optarg, &tmp, 0);
                                if (*tmp) {
@@ -620,9 +695,32 @@ static void parse_tune2fs_options(int argc, char **argv)
                usage();
        if (!open_flag && !l_flag)
                usage();
-       device_name = argv[optind];
-}      
+       device_name = blkid_get_devname(NULL, argv[optind], NULL);
+       if (!device_name) {
+               com_err("tune2fs", 0, _("Unable to resolve '%s'"), 
+                       argv[optind]);
+               exit(1);
+       }
+}
 
+void do_findfs(int argc, char **argv)
+{
+       char    *dev;
+
+       if ((argc != 2) ||
+           (strncmp(argv[1], "LABEL=", 6) && strncmp(argv[1], "UUID=", 5))) {
+               fprintf(stderr, "Usage: findfs LABEL=<label>|UUID=<uuid>\n");
+               exit(2);
+       }
+       dev = blkid_get_devname(NULL, argv[1], NULL);
+       if (!dev) {
+               com_err("findfs", 0, _("Unable to resolve '%s'"), 
+                       argv[1]);
+               exit(1);
+       }
+       puts(dev);
+       exit(0);
+}
 
 
 int main (int argc, char ** argv)
@@ -630,9 +728,11 @@ int main (int argc, char ** argv)
        errcode_t retval;
        ext2_filsys fs;
        struct ext2_super_block *sb;
+       io_manager io_ptr;
 
 #ifdef ENABLE_NLS
        setlocale(LC_MESSAGES, "");
+       setlocale(LC_CTYPE, "");
        bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
        textdomain(NLS_CAT_NAME);
 #endif
@@ -640,13 +740,20 @@ int main (int argc, char ** argv)
                program_name = *argv;
        initialize_ext2_error_table();
 
+       if (strcmp(get_progname(argv[0]), "findfs") == 0)
+               do_findfs(argc, argv);
        if (strcmp(get_progname(argv[0]), "e2label") == 0)
                parse_e2label_options(argc, argv);
        else
                parse_tune2fs_options(argc, argv);
        
-       retval = ext2fs_open (device_name, open_flag, 0, 0,
-                             unix_io_manager, &fs);
+#ifdef CONFIG_TESTIO_DEBUG
+       io_ptr = test_io_manager;
+       test_io_backing_manager = unix_io_manager;
+#else
+       io_ptr = unix_io_manager;
+#endif
+       retval = ext2fs_open (device_name, open_flag, 0, 0, io_ptr, &fs);
         if (retval) {
                com_err (program_name, retval, _("while trying to open %s"),
                         device_name);
@@ -745,6 +852,12 @@ int main (int argc, char ** argv)
                               _(please_fsck));
                }
        }
+       if (T_flag) {
+               sb->s_lastcheck = last_check_time;
+               ext2fs_mark_super_dirty(fs);
+               printf(_("Setting time filesystem last checked to %s\n"),
+                      ctime(&last_check_time));
+       }
        if (u_flag) {
                sb->s_def_resuid = resuid;
                ext2fs_mark_super_dirty(fs);
@@ -765,6 +878,8 @@ int main (int argc, char ** argv)
                        sizeof(sb->s_last_mounted));
                ext2fs_mark_super_dirty(fs);
        }
+       if (mntopts_cmd)
+               update_mntopts(fs, mntopts_cmd);
        if (features_cmd)
                update_feature_set(fs, features_cmd);
        if (journal_size || journal_device)
@@ -787,6 +902,5 @@ int main (int argc, char ** argv)
 
        if (l_flag)
                list_super (sb);
-       ext2fs_close (fs);
-       exit (0);
+       return (ext2fs_close (fs) ? 1 : 0);
 }