static int change_serial(ntfs_volume *vol, u64 sector, le64 serial_number,
NTFS_BOOT_SECTOR *bs, NTFS_BOOT_SECTOR *oldbs)
{
int res;
le64 mask;
BOOL same;
res = -1;
if ((ntfs_pread(vol->dev, sector << vol->sector_size_bits,
vol->sector_size, bs) == vol->sector_size)) {
same = TRUE;
if (!sector)
/* save the real bootsector */
memcpy(oldbs, bs, vol->sector_size);
else
/* backup bootsector must be similar */
same = !memcmp(oldbs, bs, vol->sector_size);
if (same) {
if (opts.new_serial & 2)
bs->volume_serial_number = serial_number;
else {
mask = const_cpu_to_le64(~0x0ffffffffULL);
bs->volume_serial_number
= (serial_number & mask)
| (bs->volume_serial_number & ~mask);
}
if (opts.noaction
|| (ntfs_pwrite(vol->dev,
sector << vol->sector_size_bits,
vol->sector_size, bs) == vol->sector_size)) {
res = 0;
}
} else {
ntfs_log_info("* Warning : the backup boot sector"
" does not match (leaving unchanged)\n");
res = 0;
}
}
return (res);
}
/**
* init_secure_sds -
*
* NTFS 3.1 - System files security decriptors
* ===========================================
* Create the security descriptor entries in $SDS data stream like they
* are in a partition, newly formatted with windows 2003
*/
void init_secure_sds(char *sd_val)
{
SECURITY_DESCRIPTOR_HEADER *sds;
SECURITY_DESCRIPTOR_RELATIVE *sd;
ACL *acl;
ACCESS_ALLOWED_ACE *ace;
SID *sid;
/*
* security descriptor #1
*/
//header
sds = (SECURITY_DESCRIPTOR_HEADER*)((char*)sd_val);
sds->hash = const_cpu_to_le32(0xF80312F0);
sds->security_id = const_cpu_to_le32(0x0100);
sds->offset = const_cpu_to_le64(0x00);
sds->length = const_cpu_to_le32(0x7C);
//security descriptor relative
sd = (SECURITY_DESCRIPTOR_RELATIVE*)((char*)sds +
sizeof(SECURITY_DESCRIPTOR_HEADER));
sd->revision = 0x01;
sd->alignment = 0x00;
sd->control = SE_SELF_RELATIVE | SE_DACL_PRESENT;
sd->owner = const_cpu_to_le32(0x48);
sd->group = const_cpu_to_le32(0x58);
sd->sacl = const_cpu_to_le32(0x00);
sd->dacl = const_cpu_to_le32(0x14);
//acl
acl = (ACL*)((char*)sd + sizeof(SECURITY_DESCRIPTOR_RELATIVE));
acl->revision = 0x02;
acl->alignment1 = 0x00;
acl->size = const_cpu_to_le16(0x34);
acl->ace_count = const_cpu_to_le16(0x02);
acl->alignment2 = 0x00;
//ace1
ace = (ACCESS_ALLOWED_ACE*)((char*)acl + sizeof(ACL));
ace->type = 0x00;
ace->flags = 0x00;
ace->size = const_cpu_to_le16(0x14);
ace->mask = const_cpu_to_le32(0x120089);
ace->sid.revision = 0x01;
ace->sid.sub_authority_count = 0x01;
/* SECURITY_NT_SID_AUTHORITY (S-1-5) */
ace->sid.identifier_authority.value[0] = 0;
ace->sid.identifier_authority.value[1] = 0;
ace->sid.identifier_authority.value[2] = 0;
ace->sid.identifier_authority.value[3] = 0;
ace->sid.identifier_authority.value[4] = 0;
ace->sid.identifier_authority.value[5] = 5;
ace->sid.sub_authority[0] =
const_cpu_to_le32(SECURITY_LOCAL_SYSTEM_RID);
//ace2
ace = (ACCESS_ALLOWED_ACE*)((char*)ace + le16_to_cpu(ace->size));
ace->type = 0x00;
ace->flags = 0x00;
ace->size = const_cpu_to_le16(0x18);
ace->mask = const_cpu_to_le32(0x120089);
ace->sid.revision = 0x01;
ace->sid.sub_authority_count = 0x02;
/* SECURITY_NT_SID_AUTHORITY (S-1-5) */
ace->sid.identifier_authority.value[0] = 0;
ace->sid.identifier_authority.value[1] = 0;
ace->sid.identifier_authority.value[2] = 0;
ace->sid.identifier_authority.value[3] = 0;
ace->sid.identifier_authority.value[4] = 0;
ace->sid.identifier_authority.value[5] = 5;
ace->sid.sub_authority[0] =
const_cpu_to_le32(SECURITY_BUILTIN_DOMAIN_RID);
ace->sid.sub_authority[1] =
const_cpu_to_le32(DOMAIN_ALIAS_RID_ADMINS);
//owner sid
sid = (SID*)((char*)sd + le32_to_cpu(sd->owner));
sid->revision = 0x01;
sid->sub_authority_count = 0x02;
/* SECURITY_NT_SID_AUTHORITY (S-1-5) */
sid->identifier_authority.value[0] = 0;
sid->identifier_authority.value[1] = 0;
sid->identifier_authority.value[2] = 0;
sid->identifier_authority.value[3] = 0;
sid->identifier_authority.value[4] = 0;
sid->identifier_authority.value[5] = 5;
sid->sub_authority[0] =
const_cpu_to_le32(SECURITY_BUILTIN_DOMAIN_RID);
sid->sub_authority[1] =
const_cpu_to_le32(DOMAIN_ALIAS_RID_ADMINS);
//group sid
sid = (SID*)((char*)sd + le32_to_cpu(sd->group));
sid->revision = 0x01;
sid->sub_authority_count = 0x02;
/* SECURITY_NT_SID_AUTHORITY (S-1-5) */
sid->identifier_authority.value[0] = 0;
sid->identifier_authority.value[1] = 0;
sid->identifier_authority.value[2] = 0;
sid->identifier_authority.value[3] = 0;
sid->identifier_authority.value[4] = 0;
sid->identifier_authority.value[5] = 5;
sid->sub_authority[0] =
const_cpu_to_le32(SECURITY_BUILTIN_DOMAIN_RID);
sid->sub_authority[1] =
const_cpu_to_le32(DOMAIN_ALIAS_RID_ADMINS);
/*
* security descriptor #2
*/
//header
sds = (SECURITY_DESCRIPTOR_HEADER*)((char*)sd_val + 0x80);
sds->hash = const_cpu_to_le32(0xB32451);
sds->security_id = const_cpu_to_le32(0x0101);
sds->offset = const_cpu_to_le64(0x80);
sds->length = const_cpu_to_le32(0x7C);
//security descriptor relative
sd = (SECURITY_DESCRIPTOR_RELATIVE*)((char*)sds +
sizeof(SECURITY_DESCRIPTOR_HEADER));
sd->revision = 0x01;
sd->alignment = 0x00;
sd->control = SE_SELF_RELATIVE | SE_DACL_PRESENT;
sd->owner = const_cpu_to_le32(0x48);
sd->group = const_cpu_to_le32(0x58);
sd->sacl = const_cpu_to_le32(0x00);
sd->dacl = const_cpu_to_le32(0x14);
//acl
acl = (ACL*)((char*)sd + sizeof(SECURITY_DESCRIPTOR_RELATIVE));
acl->revision = 0x02;
acl->alignment1 = 0x00;
acl->size = const_cpu_to_le16(0x34);
acl->ace_count = const_cpu_to_le16(0x02);
acl->alignment2 = 0x00;
//ace1
ace = (ACCESS_ALLOWED_ACE*)((char*)acl + sizeof(ACL));
ace->type = 0x00;
ace->flags = 0x00;
ace->size = const_cpu_to_le16(0x14);
ace->mask = const_cpu_to_le32(0x12019F);
ace->sid.revision = 0x01;
ace->sid.sub_authority_count = 0x01;
/* SECURITY_NT_SID_AUTHORITY (S-1-5) */
ace->sid.identifier_authority.value[0] = 0;
ace->sid.identifier_authority.value[1] = 0;
ace->sid.identifier_authority.value[2] = 0;
ace->sid.identifier_authority.value[3] = 0;
ace->sid.identifier_authority.value[4] = 0;
ace->sid.identifier_authority.value[5] = 5;
ace->sid.sub_authority[0] =
const_cpu_to_le32(SECURITY_LOCAL_SYSTEM_RID);
//ace2
ace = (ACCESS_ALLOWED_ACE*)((char*)ace + le16_to_cpu(ace->size));
ace->type = 0x00;
ace->flags = 0x00;
ace->size = const_cpu_to_le16(0x18);
ace->mask = const_cpu_to_le32(0x12019F);
ace->sid.revision = 0x01;
ace->sid.sub_authority_count = 0x02;
/* SECURITY_NT_SID_AUTHORITY (S-1-5) */
ace->sid.identifier_authority.value[0] = 0;
ace->sid.identifier_authority.value[1] = 0;
ace->sid.identifier_authority.value[2] = 0;
ace->sid.identifier_authority.value[3] = 0;
ace->sid.identifier_authority.value[4] = 0;
ace->sid.identifier_authority.value[5] = 5;
ace->sid.sub_authority[0] =
const_cpu_to_le32(SECURITY_BUILTIN_DOMAIN_RID);
ace->sid.sub_authority[1] =
const_cpu_to_le32(DOMAIN_ALIAS_RID_ADMINS);
//owner sid
sid = (SID*)((char*)sd + le32_to_cpu(sd->owner));
sid->revision = 0x01;
sid->sub_authority_count = 0x02;
/* SECURITY_NT_SID_AUTHORITY (S-1-5) */
sid->identifier_authority.value[0] = 0;
sid->identifier_authority.value[1] = 0;
sid->identifier_authority.value[2] = 0;
sid->identifier_authority.value[3] = 0;
sid->identifier_authority.value[4] = 0;
sid->identifier_authority.value[5] = 5;
sid->sub_authority[0] =
const_cpu_to_le32(SECURITY_BUILTIN_DOMAIN_RID);
sid->sub_authority[1] =
const_cpu_to_le32(DOMAIN_ALIAS_RID_ADMINS);
//group sid
sid = (SID*)((char*)sd + le32_to_cpu(sd->group));
sid->revision = 0x01;
sid->sub_authority_count = 0x02;
/* SECURITY_NT_SID_AUTHORITY (S-1-5) */
sid->identifier_authority.value[0] = 0;
sid->identifier_authority.value[1] = 0;
sid->identifier_authority.value[2] = 0;
sid->identifier_authority.value[3] = 0;
sid->identifier_authority.value[4] = 0;
sid->identifier_authority.value[5] = 5;
sid->sub_authority[0] =
const_cpu_to_le32(SECURITY_BUILTIN_DOMAIN_RID);
sid->sub_authority[1] =
const_cpu_to_le32(DOMAIN_ALIAS_RID_ADMINS);
return;
}
/**
* ntfs_inode_sync_file_name - update FILE_NAME attributes
* @ni: ntfs inode to update FILE_NAME attributes
*
* Update all FILE_NAME attributes for inode @ni in the index.
*
* Return 0 on success or -1 on error with errno set to the error code.
*/
static int ntfs_inode_sync_file_name(ntfs_inode *ni, ntfs_inode *dir_ni)
{
ntfs_attr_search_ctx *ctx = NULL;
ntfs_index_context *ictx;
ntfs_inode *index_ni;
FILE_NAME_ATTR *fn;
FILE_NAME_ATTR *fnx;
REPARSE_POINT *rpp;
le32 reparse_tag;
int err = 0;
ntfs_log_trace("Entering for inode %lld\n", (long long)ni->mft_no);
ctx = ntfs_attr_get_search_ctx(ni, NULL);
if (!ctx) {
err = errno;
goto err_out;
}
/* Collect the reparse tag, if any */
reparse_tag = cpu_to_le32(0);
if (ni->flags & FILE_ATTR_REPARSE_POINT) {
if (!ntfs_attr_lookup(AT_REPARSE_POINT, NULL,
0, CASE_SENSITIVE, 0, NULL, 0, ctx)) {
rpp = (REPARSE_POINT*)((u8 *)ctx->attr +
le16_to_cpu(ctx->attr->value_offset));
reparse_tag = rpp->reparse_tag;
}
ntfs_attr_reinit_search_ctx(ctx);
}
/* Walk through all FILE_NAME attributes and update them. */
while (!ntfs_attr_lookup(AT_FILE_NAME, NULL, 0, 0, 0, NULL, 0, ctx)) {
fn = (FILE_NAME_ATTR *)((u8 *)ctx->attr +
le16_to_cpu(ctx->attr->value_offset));
if (MREF_LE(fn->parent_directory) == ni->mft_no) {
/*
* WARNING: We cheat here and obtain 2 attribute
* search contexts for one inode (first we obtained
* above, second will be obtained inside
* ntfs_index_lookup), it's acceptable for library,
* but will deadlock in the kernel.
*/
index_ni = ni;
} else
if (dir_ni)
index_ni = dir_ni;
else
index_ni = ntfs_inode_open(ni->vol,
le64_to_cpu(fn->parent_directory));
if (!index_ni) {
if (!err)
err = errno;
ntfs_log_perror("Failed to open inode %lld with index",
(long long)le64_to_cpu(fn->parent_directory));
continue;
}
ictx = ntfs_index_ctx_get(index_ni, NTFS_INDEX_I30, 4);
if (!ictx) {
if (!err)
err = errno;
ntfs_log_perror("Failed to get index ctx, inode %lld",
(long long)index_ni->mft_no);
if ((ni != index_ni) && !dir_ni
&& ntfs_inode_close(index_ni) && !err)
err = errno;
continue;
}
if (ntfs_index_lookup(fn, sizeof(FILE_NAME_ATTR), ictx)) {
if (!err) {
if (errno == ENOENT)
err = EIO;
else
err = errno;
}
ntfs_log_perror("Index lookup failed, inode %lld",
(long long)index_ni->mft_no);
ntfs_index_ctx_put(ictx);
if (ni != index_ni && ntfs_inode_close(index_ni) && !err)
err = errno;
continue;
}
/* Update flags and file size. */
fnx = (FILE_NAME_ATTR *)ictx->data;
fnx->file_attributes =
(fnx->file_attributes & ~FILE_ATTR_VALID_FLAGS) |
(ni->flags & FILE_ATTR_VALID_FLAGS);
if (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY)
fnx->data_size = fnx->allocated_size
= const_cpu_to_le64(0);
else {
fnx->allocated_size = cpu_to_sle64(ni->allocated_size);
fnx->data_size = cpu_to_sle64(ni->data_size);
/*
* The file name record has also to be fixed if some
* attribute update implied the unnamed data to be
* made non-resident
*/
fn->allocated_size = fnx->allocated_size;
}
/* update or clear the reparse tag in the index */
fnx->reparse_point_tag = reparse_tag;
if (!test_nino_flag(ni, TimesSet)) {
fnx->creation_time = ni->creation_time;
fnx->last_data_change_time = ni->last_data_change_time;
fnx->last_mft_change_time = ni->last_mft_change_time;
fnx->last_access_time = ni->last_access_time;
} else {
fnx->creation_time = fn->creation_time;
fnx->last_data_change_time = fn->last_data_change_time;
fnx->last_mft_change_time = fn->last_mft_change_time;
fnx->last_access_time = fn->last_access_time;
}
ntfs_index_entry_mark_dirty(ictx);
ntfs_index_ctx_put(ictx);
if ((ni != index_ni) && !dir_ni
&& ntfs_inode_close(index_ni) && !err)
err = errno;
}
/* Check for real error occurred. */
if (errno != ENOENT) {
err = errno;
ntfs_log_perror("Attribute lookup failed, inode %lld",
(long long)ni->mft_no);
goto err_out;
}
ntfs_attr_put_search_ctx(ctx);
if (err) {
errno = err;
return -1;
}
return 0;
err_out:
if (ctx)
ntfs_attr_put_search_ctx(ctx);
errno = err;
return -1;
}
