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Fix UBSan when shifting (1LL << 63)
[tools/e2fsprogs.git] / misc / mke2fs.c
index 57b5bbf..d7cf257 100644 (file)
@@ -95,6 +95,7 @@ int   journal_size;
 int    journal_flags;
 static int     lazy_itable_init;
 static int     packed_meta_blocks;
+int            no_copy_xattrs;
 static char    *bad_blocks_filename = NULL;
 static __u32   fs_stride;
 /* Initialize usr/grp quotas by default */
@@ -359,9 +360,15 @@ static void write_reserved_inodes(ext2_filsys fs)
                exit(1);
        }
 
-       for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++)
-               ext2fs_write_inode_full(fs, ino, inode,
-                                       EXT2_INODE_SIZE(fs->super));
+       for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
+               retval = ext2fs_write_inode_full(fs, ino, inode,
+                                                EXT2_INODE_SIZE(fs->super));
+               if (retval) {
+                       com_err("ext2fs_write_inode_full", retval,
+                               _("while writing reserved inodes"));
+                       exit(1);
+               }
+       }
 
        ext2fs_free_mem(&inode);
 }
@@ -783,6 +790,8 @@ static void parse_extended_opts(struct ext2_super_block *param,
        int     len;
        int     r_usage = 0;
        int     ret;
+       int     encoding = -1;
+       char    *encoding_flags = NULL;
 
        len = strlen(opts);
        buf = malloc(len+1);
@@ -874,6 +883,9 @@ static void parse_extended_opts(struct ext2_super_block *param,
                                r_usage++;
                                continue;
                        }
+               } else if (strcmp(token, "no_copy_xattrs") == 0) {
+                       no_copy_xattrs = 1;
+                       continue;
                } else if (strcmp(token, "num_backup_sb") == 0) {
                        if (!arg) {
                                r_usage++;
@@ -1046,6 +1058,26 @@ static void parse_extended_opts(struct ext2_super_block *param,
                        }
                } else if (!strcmp(token, "android_sparse")) {
                        android_sparse_file = 1;
+               } else if (!strcmp(token, "encoding")) {
+                       if (!arg) {
+                               r_usage++;
+                               continue;
+                       }
+
+                       encoding = e2p_str2encoding(arg);
+                       if (encoding < 0) {
+                               fprintf(stderr, _("Invalid encoding: %s"), arg);
+                               r_usage++;
+                               continue;
+                       }
+                       param->s_encoding = encoding;
+                       ext2fs_set_feature_casefold(param);
+               } else if (!strcmp(token, "encoding_flags")) {
+                       if (!arg) {
+                               r_usage++;
+                               continue;
+                       }
+                       encoding_flags = arg;
                } else {
                        r_usage++;
                        badopt = token;
@@ -1070,6 +1102,8 @@ static void parse_extended_opts(struct ext2_super_block *param,
                        "\ttest_fs\n"
                        "\tdiscard\n"
                        "\tnodiscard\n"
+                       "\tencoding=<encoding>\n"
+                       "\tencoding_flags=<flags>\n"
                        "\tquotatype=<quota type(s) to be enabled>\n\n"),
                        badopt ? badopt : "");
                free(buf);
@@ -1081,6 +1115,25 @@ static void parse_extended_opts(struct ext2_super_block *param,
                                  "multiple of stride %u.\n\n"),
                        param->s_raid_stripe_width, param->s_raid_stride);
 
+       if (ext2fs_has_feature_casefold(param)) {
+               param->s_encoding_flags =
+                       e2p_get_encoding_flags(param->s_encoding);
+
+               if (encoding_flags &&
+                   e2p_str2encoding_flags(param->s_encoding, encoding_flags,
+                                          &param->s_encoding_flags)) {
+                       fprintf(stderr, _("error: Invalid encoding flag: %s\n"),
+                               encoding_flags);
+                       free(buf);
+                       exit(1);
+               }
+       } else if (encoding_flags) {
+               fprintf(stderr, _("error: An encoding must be explicitly "
+                                 "specified when passing encoding-flags\n"));
+               free(buf);
+               exit(1);
+       }
+
        free(buf);
 }
 
@@ -1102,6 +1155,7 @@ static __u32 ok_features[3] = {
                EXT4_FEATURE_INCOMPAT_64BIT|
                EXT4_FEATURE_INCOMPAT_INLINE_DATA|
                EXT4_FEATURE_INCOMPAT_ENCRYPT |
+               EXT4_FEATURE_INCOMPAT_CASEFOLD |
                EXT4_FEATURE_INCOMPAT_CSUM_SEED |
                EXT4_FEATURE_INCOMPAT_LARGEDIR,
        /* R/O compat */
@@ -1114,7 +1168,8 @@ static __u32 ok_features[3] = {
                EXT4_FEATURE_RO_COMPAT_BIGALLOC|
                EXT4_FEATURE_RO_COMPAT_QUOTA|
                EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
-               EXT4_FEATURE_RO_COMPAT_PROJECT
+               EXT4_FEATURE_RO_COMPAT_PROJECT|
+               EXT4_FEATURE_RO_COMPAT_VERITY
 };
 
 
@@ -2015,6 +2070,7 @@ profile_error:
                ext2fs_clear_feature_huge_file(&fs_param);
                ext2fs_clear_feature_metadata_csum(&fs_param);
                ext2fs_clear_feature_ea_inode(&fs_param);
+               ext2fs_clear_feature_casefold(&fs_param);
        }
        edit_feature(fs_features ? fs_features : tmp,
                     &fs_param.s_feature_compat);
@@ -2127,9 +2183,11 @@ profile_error:
        }
        /*
         * Guard against group descriptor count overflowing... Mostly to avoid
-        * strange results for absurdly large devices.
+        * strange results for absurdly large devices.  This is in log2:
+        * (blocksize) * (bits per byte) * (maximum number of block groups)
         */
-       if (fs_blocks_count > ((1ULL << (fs_param.s_log_block_size + 3 + 32)) - 1)) {
+       if (fs_blocks_count >
+           (1ULL << (EXT2_BLOCK_SIZE_BITS(&fs_param) + 3 + 32)) - 1) {
                fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
                                  "too big to create\n\t"
                                  "a filesystem using a blocksize of %d.\n"),
@@ -2330,6 +2388,33 @@ profile_error:
        if (packed_meta_blocks)
                journal_location = 0;
 
+       if (ext2fs_has_feature_casefold(&fs_param)) {
+               char *ef, *en = get_string_from_profile(fs_types,
+                                                       "encoding", "utf8");
+               int encoding = e2p_str2encoding(en);
+
+               if (encoding < 0) {
+                       com_err(program_name, 0,
+                               _("Unknown filename encoding from profile: %s"),
+                               en);
+                       exit(1);
+               }
+               free(en);
+               fs_param.s_encoding = encoding;
+               ef = get_string_from_profile(fs_types, "encoding_flags", NULL);
+               if (ef) {
+                       if (e2p_str2encoding_flags(encoding, ef,
+                                       &fs_param.s_encoding_flags) < 0) {
+                               com_err(program_name, 0,
+                       _("Unknown encoding flags from profile: %s"), ef);
+                               exit(1);
+                       }
+                       free(ef);
+               } else
+                       fs_param.s_encoding_flags =
+                               e2p_get_encoding_flags(encoding);
+       }
+
        /* Get options from profile */
        for (cpp = fs_types; *cpp; cpp++) {
                tmp = NULL;
@@ -2374,6 +2459,15 @@ profile_error:
                }
        }
 
+       if (ext2fs_has_feature_casefold(&fs_param) &&
+           ext2fs_has_feature_encrypt(&fs_param)) {
+               com_err(program_name, 0, "%s",
+                       _("The encrypt and casefold features are not "
+                         "compatible.\nThey can not be both enabled "
+                         "simultaneously.\n"));
+                     exit (1);
+       }
+
        /* Don't allow user to set both metadata_csum and uninit_bg bits. */
        if (ext2fs_has_feature_metadata_csum(&fs_param) &&
            ext2fs_has_feature_gdt_csum(&fs_param))