]> git.ipfire.org Git - thirdparty/e2fsprogs.git/blobdiff - debugfs/set_fields.c
debugfs: remove unused variable 'tmp_inode'
[thirdparty/e2fsprogs.git] / debugfs / set_fields.c
index b14fec991392a7281f4c2ded8bf3e03afdbaf9a0..31356fd0533590cb6433104c0c5ff925669bb838 100644 (file)
@@ -40,6 +40,7 @@
 #include "debugfs.h"
 #include "uuid/uuid.h"
 #include "e2p/e2p.h"
+#include "support/quotaio.h"
 
 static struct ext2_super_block set_sb;
 static struct ext2_inode_large set_inode;
@@ -52,6 +53,7 @@ static int array_idx;
 
 #define FLAG_ARRAY     0x0001
 #define FLAG_ALIAS     0x0002  /* Data intersects with other field */
+#define FLAG_CSUM      0x0004
 
 struct field_set_info {
        const char      *name;
@@ -71,11 +73,15 @@ static errcode_t parse_hashalg(struct field_set_info *info, char *field, char *a
 static errcode_t parse_time(struct field_set_info *info, char *field, char *arg);
 static errcode_t parse_bmap(struct field_set_info *info, char *field, char *arg);
 static errcode_t parse_gd_csum(struct field_set_info *info, char *field, char *arg);
+static errcode_t parse_inode_csum(struct field_set_info *info, char *field,
+                                 char *arg);
 static errcode_t parse_mmp_clear(struct field_set_info *info, char *field,
                                 char *arg);
 
+#if __GNUC_PREREQ (4, 6) || defined(__clang__)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+#endif
 
 static struct field_set_info super_fields[] = {
        { "inodes_count", &set_sb.s_inodes_count, NULL, 4, parse_uint },
@@ -152,6 +158,7 @@ static struct field_set_info super_fields[] = {
        { "mount_opts",  &set_sb.s_mount_opts, NULL, 64, parse_string },
        { "usr_quota_inum", &set_sb.s_usr_quota_inum, NULL, 4, parse_uint },
        { "grp_quota_inum", &set_sb.s_grp_quota_inum, NULL, 4, parse_uint },
+       { "prj_quota_inum", &set_sb.s_prj_quota_inum, NULL, 4, parse_uint },
        { "overhead_blocks", &set_sb.s_overhead_blocks, NULL, 4, parse_uint },
        { "backup_bgs", &set_sb.s_backup_bgs[0], NULL, 4, parse_uint,
          FLAG_ARRAY, 2 },
@@ -173,6 +180,7 @@ static struct field_set_info super_fields[] = {
          FLAG_ARRAY, 4 },
        { "encrypt_pw_salt", &set_sb.s_encrypt_pw_salt, NULL, 16, parse_uuid },
        { "lpf_ino", &set_sb.s_lpf_ino, NULL, 4, parse_uint },
+       { "checksum_seed", &set_sb.s_checksum_seed, NULL, 4, parse_uint },
        { 0, 0, 0, 0 }
 };
 
@@ -181,10 +189,14 @@ static struct field_set_info inode_fields[] = {
        { "uid", &set_inode.i_uid, &set_inode.osd2.linux2.l_i_uid_high,
                2, parse_uint },
        { "size", &set_inode.i_size, &set_inode.i_size_high, 4, parse_uint },
-       { "atime", &set_inode.i_atime, NULL, 4, parse_time },
-       { "ctime", &set_inode.i_ctime, NULL, 4, parse_time },
-       { "mtime", &set_inode.i_mtime, NULL, 4, parse_time },
-       { "dtime", &set_inode.i_dtime, NULL, 4, parse_time },
+       { "atime", &set_inode.i_atime, &set_inode.i_atime_extra,
+               4, parse_time },
+       { "ctime", &set_inode.i_ctime, &set_inode.i_ctime_extra,
+               4, parse_time },
+       { "mtime", &set_inode.i_mtime, &set_inode.i_mtime_extra,
+               4, parse_time },
+       { "dtime", &set_inode.i_dtime, NULL,
+               4, parse_time },
        { "gid", &set_inode.i_gid, &set_inode.osd2.linux2.l_i_gid_high,
                2, parse_uint },
        { "links_count", &set_inode.i_links_count, NULL, 2, parse_uint },
@@ -205,25 +217,26 @@ static struct field_set_info inode_fields[] = {
        /* Special case: i_file_acl_high is 2 bytes */
        { "file_acl", &set_inode.i_file_acl, 
                &set_inode.osd2.linux2.l_i_file_acl_high, 6, parse_uint },
-       { "dir_acl", &set_inode.i_dir_acl, NULL, 4, parse_uint, FLAG_ALIAS },
        { "faddr", &set_inode.i_faddr, NULL, 4, parse_uint },
        { "frag", &set_inode.osd2.hurd2.h_i_frag, NULL, 1, parse_uint, FLAG_ALIAS },
        { "fsize", &set_inode.osd2.hurd2.h_i_fsize, NULL, 1, parse_uint },
        { "checksum", &set_inode.osd2.linux2.l_i_checksum_lo, 
-               &set_inode.i_checksum_hi, 2, parse_uint },
+               &set_inode.i_checksum_hi, 2, parse_inode_csum, FLAG_CSUM },
        { "author", &set_inode.osd2.hurd2.h_i_author, NULL,
                4, parse_uint, FLAG_ALIAS },
        { "extra_isize", &set_inode.i_extra_isize, NULL,
                2, parse_uint },
        { "ctime_extra", &set_inode.i_ctime_extra, NULL,
-               4, parse_uint },
+               4, parse_uint, FLAG_ALIAS },
        { "mtime_extra", &set_inode.i_mtime_extra, NULL,
-               4, parse_uint },
+               4, parse_uint, FLAG_ALIAS  },
        { "atime_extra", &set_inode.i_atime_extra, NULL,
-               4, parse_uint },
-       { "crtime", &set_inode.i_crtime, NULL, 4, parse_uint },
+               4, parse_uint, FLAG_ALIAS },
+       { "crtime", &set_inode.i_crtime, &set_inode.i_crtime_extra,
+               4, parse_time },
        { "crtime_extra", &set_inode.i_crtime_extra, NULL,
-               4, parse_uint },
+               4, parse_uint, FLAG_ALIAS },
+       { "projid", &set_inode.i_projid, NULL, 4, parse_uint },
        { "bmap", NULL, NULL, 4, parse_bmap, FLAG_ARRAY },
        { 0, 0, 0, 0 }
 };
@@ -281,7 +294,9 @@ static struct field_set_info mmp_fields[] = {
        { "checksum", &set_mmp.mmp_checksum, NULL, 4, parse_uint },
        { 0, 0, 0, 0 }
 };
+#if __GNUC_PREREQ (4, 6)
 #pragma GCC diagnostic pop
+#endif
 
 #ifdef UNITTEST
 
@@ -421,7 +436,7 @@ static struct field_set_info *find_field(struct field_set_info *fields,
 
 /*
  * Note: info->size == 6 is special; this means a base size 4 bytes,
- * and secondiory (high) size of 2 bytes.  This is needed for the
+ * and secondary (high) size of 2 bytes.  This is needed for the
  * special case of i_blocks_high and i_file_acl_high.
  */
 static errcode_t parse_uint(struct field_set_info *info, char *field,
@@ -487,7 +502,7 @@ static errcode_t parse_uint(struct field_set_info *info, char *field,
        }
        if (!field2)
                return 0;
-       n = num >> (size*8);
+       n = (size == 8) ? 0 : (num >> (size*8));
        u.ptr8 = (__u8 *) field2;
        if (info->size == 6)
                size = 2;
@@ -555,21 +570,30 @@ static errcode_t parse_string(struct field_set_info *info,
 }
 
 static errcode_t parse_time(struct field_set_info *info,
-                           char *field EXT2FS_ATTR((unused)), char *arg)
+                           char *field, char *arg)
 {
-       time_t          t;
-       __u32           *ptr32;
+       __s64           t;
+       __u32           t_low, t_high;
+       __u32           *ptr_low, *ptr_high;
+
+       if (check_suffix(field))
+               return parse_uint(info, field, arg);
 
-       ptr32 = (__u32 *) info->ptr;
+       ptr_low  = (__u32 *) info->ptr;
+       ptr_high = (__u32 *) info->ptr2;
 
        t = string_to_time(arg);
 
-       if (t == ((time_t) -1)) {
+       if (t == -1) {
                fprintf(stderr, "Couldn't parse '%s' for field %s.\n",
                        arg, info->name);
                return EINVAL;
        }
-       *ptr32 = t;
+       t_low = (__u32) t;
+       t_high = ((t - (__s32)t) >> 32) & EXT4_EPOCH_MASK;
+       *ptr_low = t_low;
+       if (ptr_high)
+               *ptr_high = (*ptr_high & ~EXT4_EPOCH_MASK) | t_high;
        return 0;
 }
 
@@ -634,18 +658,74 @@ static errcode_t parse_bmap(struct field_set_info *info,
 static errcode_t parse_gd_csum(struct field_set_info *info, char *field,
                               char *arg)
 {
+       __u16 *checksum = info->ptr;
 
        if (strcmp(arg, "calc") == 0) {
-               ext2fs_group_desc_csum_set(current_fs, set_bg);
-               memcpy(&set_gd, ext2fs_group_desc(current_fs,
-                                       current_fs->group_desc,
-                                       set_bg),
-                       sizeof(set_gd));
-               printf("Checksum set to 0x%04x\n",
-                      ext2fs_bg_checksum(current_fs, set_bg));
+               *checksum = ext2fs_group_desc_csum(current_fs, set_bg);
+               printf("Checksum set to 0x%04x\n", *checksum);
                return 0;
        }
+       return parse_uint(info, field, arg);
+}
 
+static errcode_t parse_inode_csum(struct field_set_info *info, char *field,
+                                 char *arg)
+{
+       errcode_t       retval = 0;
+       __u32           crc;
+       int             is_large_inode = 0;
+
+       if (strcmp(arg, "calc") == 0) {
+               size_t sz = EXT2_INODE_SIZE(current_fs->super);
+               struct ext2_inode_large *tmp_inode = NULL;
+
+               retval = ext2fs_get_mem(sz, &tmp_inode);
+               if (retval)
+                       goto out;
+
+               retval = ext2fs_read_inode_full(current_fs, set_ino,
+                                    (struct ext2_inode *) tmp_inode,
+                                    sz);
+               if (retval)
+                       goto out;
+
+#ifdef WORDS_BIGENDIAN
+               ext2fs_swap_inode_full(current_fs, tmp_inode,
+                                      tmp_inode, 1, sz);
+#endif
+
+               if (sz > EXT2_GOOD_OLD_INODE_SIZE)
+                       is_large_inode = 1;
+
+               retval = ext2fs_inode_csum_set(current_fs, set_ino,
+                                              tmp_inode);
+               if (retval)
+                       goto out;
+#ifdef WORDS_BIGENDIAN
+               crc = set_inode.i_checksum_lo =
+                       ext2fs_swab16(tmp_inode->i_checksum_lo);
+
+#else
+               crc = set_inode.i_checksum_lo = tmp_inode->i_checksum_lo;
+#endif
+               if (is_large_inode &&
+                   set_inode.i_extra_isize >=
+                               (offsetof(struct ext2_inode_large,
+                                         i_checksum_hi) -
+                                EXT2_GOOD_OLD_INODE_SIZE)) {
+#ifdef WORDS_BIGENDIAN
+                       set_inode.i_checksum_lo =
+                               ext2fs_swab16(tmp_inode->i_checksum_lo);
+#else
+                       set_inode.i_checksum_hi = tmp_inode->i_checksum_hi;
+#endif
+                       crc |= ((__u32)set_inode.i_checksum_hi) << 16;
+               }
+               printf("Checksum set to 0x%08x\n", crc);
+       out:
+               ext2fs_free_mem(&tmp_inode);
+               return retval;
+       }
        return parse_uint(info, field, arg);
 }
 
@@ -707,7 +787,8 @@ static void print_possible_fields(struct field_set_info *fields)
 }
 
 
-void do_set_super(int argc, char *argv[])
+void do_set_super(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+                 void *infop EXT2FS_ATTR((unused)))
 {
        const char *usage = "<field> <value>\n"
                "\t\"set_super_value -l\" will list the names of "
@@ -734,7 +815,8 @@ void do_set_super(int argc, char *argv[])
        }
 }
 
-void do_set_inode(int argc, char *argv[])
+void do_set_inode(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+                 void *infop EXT2FS_ATTR((unused)))
 {
        const char *usage = "<inode> <field> <value>\n"
                "\t\"set_inode_field -l\" will list the names of "
@@ -759,23 +841,28 @@ void do_set_inode(int argc, char *argv[])
        if (!set_ino)
                return;
 
-       if (debugfs_read_inode_full(set_ino,
-                       (struct ext2_inode *) &set_inode, argv[1],
-                                   sizeof(set_inode)))
+       if (debugfs_read_inode2(set_ino,
+                               (struct ext2_inode *) &set_inode, argv[1],
+                               sizeof(set_inode),
+                               (ss->flags & FLAG_CSUM) ?
+                               READ_INODE_NOCSUM : 0))
                return;
 
        if (ss->func(ss, argv[2], argv[3]) == 0) {
-               if (debugfs_write_inode_full(set_ino, 
-                            (struct ext2_inode *) &set_inode,
-                            argv[1], sizeof(set_inode)))
-                       return;
+               debugfs_write_inode2(set_ino,
+                                    (struct ext2_inode *) &set_inode,
+                                    argv[1], sizeof(set_inode),
+                                    (ss->flags & FLAG_CSUM) ?
+                                    WRITE_INODE_NOCSUM : 0);
        }
 }
 
-void do_set_block_group_descriptor(int argc, char *argv[])
+void do_set_block_group_descriptor(int argc, char *argv[],
+                                  int sci_idx EXT2FS_ATTR((unused)),
+                                  void *infop EXT2FS_ATTR((unused)))
 {
        const char *usage = "<bg number> <field> <value>\n"
-               "\t\"set_block_group_descriptor -l\" will list the names of "
+               "\t\"set_block_group -l\" will list the names of "
                "the fields in a block group descriptor\n\twhich can be set.";
        struct field_set_info   *table;
        struct field_set_info   *ss;
@@ -806,7 +893,7 @@ void do_set_block_group_descriptor(int argc, char *argv[])
                return;
        }
 
-       if (common_args_process(argc, argv, 4, 4, "set_block_group_descriptor",
+       if (common_args_process(argc, argv, 4, 4, "set_block_group",
                                usage, CHECK_FS_RW))
                return;
 
@@ -850,7 +937,8 @@ static errcode_t parse_mmp_clear(struct field_set_info *info,
 }
 
 #ifdef CONFIG_MMP
-void do_set_mmp_value(int argc, char *argv[])
+void do_set_mmp_value(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+                     void *infop EXT2FS_ATTR((unused)))
 {
        const char *usage = "<field> <value>\n"
                "\t\"set_mmp_value -l\" will list the names of "
@@ -909,7 +997,9 @@ void do_set_mmp_value(int argc, char *argv[])
 }
 #else
 void do_set_mmp_value(int argc EXT2FS_ATTR((unused)),
-                     char *argv[] EXT2FS_ATTR((unused)))
+                     char *argv[] EXT2FS_ATTR((unused)),
+                     int sci_idx EXT2FS_ATTR((unused)),
+                     void *infop EXT2FS_ATTR((unused)))
 {
        fprintf(stdout, "MMP is unsupported, please recompile with "
                        "--enable-mmp\n");