*/
#include "includes.h"
+#include "system/filesys.h"
+#include "librpc/gen_ndr/ndr_xattr.h"
+#include "librpc/gen_ndr/ioctl.h"
+#include "../libcli/security/security.h"
+#include "smbd/smbd.h"
+#include "lib/param/loadparm.h"
+
+static NTSTATUS get_file_handle_for_metadata(connection_struct *conn,
+ const struct smb_filename *smb_fname,
+ files_struct **ret_fsp,
+ bool *need_close);
+
+static void dos_mode_debug_print(const char *func, uint32_t mode)
+{
+ fstring modestr;
+
+ if (DEBUGLEVEL < DBGLVL_INFO) {
+ return;
+ }
+
+ modestr[0] = '\0';
+
+ if (mode & FILE_ATTRIBUTE_HIDDEN) {
+ fstrcat(modestr, "h");
+ }
+ if (mode & FILE_ATTRIBUTE_READONLY) {
+ fstrcat(modestr, "r");
+ }
+ if (mode & FILE_ATTRIBUTE_SYSTEM) {
+ fstrcat(modestr, "s");
+ }
+ if (mode & FILE_ATTRIBUTE_DIRECTORY) {
+ fstrcat(modestr, "d");
+ }
+ if (mode & FILE_ATTRIBUTE_ARCHIVE) {
+ fstrcat(modestr, "a");
+ }
+ if (mode & FILE_ATTRIBUTE_SPARSE) {
+ fstrcat(modestr, "[sparse]");
+ }
+ if (mode & FILE_ATTRIBUTE_OFFLINE) {
+ fstrcat(modestr, "[offline]");
+ }
+ if (mode & FILE_ATTRIBUTE_COMPRESSED) {
+ fstrcat(modestr, "[compressed]");
+ }
+
+ DBG_INFO("%s returning (0x%x): \"%s\"\n", func, (unsigned)mode,
+ modestr);
+}
-static int set_sparse_flag(const SMB_STRUCT_STAT * const sbuf)
+static uint32_t filter_mode_by_protocol(uint32_t mode)
{
-#if defined (HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
- if (sbuf->st_ex_size > sbuf->st_ex_blocks * (SMB_OFF_T)STAT_ST_BLOCKSIZE) {
- return FILE_ATTRIBUTE_SPARSE;
+ if (get_Protocol() <= PROTOCOL_LANMAN2) {
+ DEBUG(10,("filter_mode_by_protocol: "
+ "filtering result 0x%x to 0x%x\n",
+ (unsigned int)mode,
+ (unsigned int)(mode & 0x3f) ));
+ mode &= 0x3f;
}
-#endif
- return 0;
+ return mode;
}
static int set_link_read_only_flag(const SMB_STRUCT_STAT *const sbuf)
#ifdef S_ISLNK
#if LINKS_READ_ONLY
if (S_ISLNK(sbuf->st_mode) && S_ISDIR(sbuf->st_mode))
- return aRONLY;
+ return FILE_ATTRIBUTE_READONLY;
#endif
#endif
return 0;
result &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
}
- if ((inherit_from_dir != NULL) && lp_inherit_perms(SNUM(conn))) {
- struct smb_filename *smb_fname_parent = NULL;
- NTSTATUS status;
+ if ((inherit_from_dir != NULL) && lp_inherit_permissions(SNUM(conn))) {
+ struct smb_filename *smb_fname_parent;
DEBUG(2, ("unix_mode(%s) inheriting from %s\n",
smb_fname_str_dbg(smb_fname),
inherit_from_dir));
- status = create_synthetic_smb_fname(talloc_tos(),
- inherit_from_dir, NULL,
- NULL, &smb_fname_parent);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1,("unix_mode(%s) failed, [dir %s]: %s\n",
+ smb_fname_parent = synthetic_smb_fname(talloc_tos(),
+ inherit_from_dir,
+ NULL,
+ NULL,
+ smb_fname->flags);
+ if (smb_fname_parent == NULL) {
+ DEBUG(1,("unix_mode(%s) failed, [dir %s]: No memory\n",
smb_fname_str_dbg(smb_fname),
- inherit_from_dir, nt_errstr(status)));
+ inherit_from_dir));
return(0);
}
result |= (S_IXUSR | S_IXGRP | S_IXOTH);
/* Apply directory mask */
- result &= lp_dir_mask(SNUM(conn));
+ result &= lp_directory_mask(SNUM(conn));
/* Add in force bits */
- result |= lp_force_dir_mode(SNUM(conn));
+ result |= lp_force_directory_mode(SNUM(conn));
}
} else {
if (lp_map_archive(SNUM(conn)) && IS_DOS_ARCHIVE(dosmode))
}
}
- DEBUG(3,("unix_mode(%s) returning 0%o\n", smb_fname_str_dbg(smb_fname),
- (int)result));
+ DBG_INFO("unix_mode(%s) returning 0%o\n",
+ smb_fname_str_dbg(smb_fname), (int)result);
+
return(result);
}
Change a unix mode to a dos mode.
****************************************************************************/
-static uint32 dos_mode_from_sbuf(connection_struct *conn,
+static uint32_t dos_mode_from_sbuf(connection_struct *conn,
const struct smb_filename *smb_fname)
{
int result = 0;
enum mapreadonly_options ro_opts = (enum mapreadonly_options)lp_map_readonly(SNUM(conn));
+#if defined(UF_IMMUTABLE) && defined(SF_IMMUTABLE)
+ /* if we can find out if a file is immutable we should report it r/o */
+ if (smb_fname->st.st_ex_flags & (UF_IMMUTABLE | SF_IMMUTABLE)) {
+ result |= FILE_ATTRIBUTE_READONLY;
+ }
+#endif
if (ro_opts == MAP_READONLY_YES) {
/* Original Samba method - map inverse of user "w" bit. */
if ((smb_fname->st.st_ex_mode & S_IWUSR) == 0) {
- result |= aRONLY;
+ result |= FILE_ATTRIBUTE_READONLY;
}
} else if (ro_opts == MAP_READONLY_PERMISSIONS) {
/* Check actual permissions for read-only. */
if (!can_write_to_file(conn, smb_fname)) {
- result |= aRONLY;
+ result |= FILE_ATTRIBUTE_READONLY;
}
} /* Else never set the readonly bit. */
if (MAP_ARCHIVE(conn) && ((smb_fname->st.st_ex_mode & S_IXUSR) != 0))
- result |= aARCH;
+ result |= FILE_ATTRIBUTE_ARCHIVE;
if (MAP_SYSTEM(conn) && ((smb_fname->st.st_ex_mode & S_IXGRP) != 0))
- result |= aSYSTEM;
+ result |= FILE_ATTRIBUTE_SYSTEM;
if (MAP_HIDDEN(conn) && ((smb_fname->st.st_ex_mode & S_IXOTH) != 0))
- result |= aHIDDEN;
+ result |= FILE_ATTRIBUTE_HIDDEN;
if (S_ISDIR(smb_fname->st.st_ex_mode))
- result = aDIR | (result & aRONLY);
+ result = FILE_ATTRIBUTE_DIRECTORY | (result & FILE_ATTRIBUTE_READONLY);
- result |= set_sparse_flag(&smb_fname->st);
result |= set_link_read_only_flag(&smb_fname->st);
- DEBUG(8,("dos_mode_from_sbuf returning "));
-
- if (result & aHIDDEN) DEBUG(8, ("h"));
- if (result & aRONLY ) DEBUG(8, ("r"));
- if (result & aSYSTEM) DEBUG(8, ("s"));
- if (result & aDIR ) DEBUG(8, ("d"));
- if (result & aARCH ) DEBUG(8, ("a"));
+ dos_mode_debug_print(__func__, result);
- DEBUG(8,("\n"));
return result;
}
/****************************************************************************
Get DOS attributes from an EA.
+ This can also pull the create time into the stat struct inside smb_fname.
****************************************************************************/
-static bool get_ea_dos_attribute(connection_struct *conn,
- const struct smb_filename *smb_fname,
- uint32 *pattr)
+NTSTATUS get_ea_dos_attribute(connection_struct *conn,
+ struct smb_filename *smb_fname,
+ uint32_t *pattr)
{
+ struct xattr_DOSATTRIB dosattrib;
+ enum ndr_err_code ndr_err;
+ DATA_BLOB blob;
ssize_t sizeret;
fstring attrstr;
- unsigned int dosattr;
+ uint32_t dosattr;
if (!lp_store_dos_attributes(SNUM(conn))) {
- return False;
+ return NT_STATUS_NOT_IMPLEMENTED;
}
/* Don't reset pattr to zero as we may already have filename-based attributes we
need to preserve. */
- sizeret = SMB_VFS_GETXATTR(conn, smb_fname->base_name,
+ sizeret = SMB_VFS_GETXATTR(conn, smb_fname,
SAMBA_XATTR_DOS_ATTRIB, attrstr,
sizeof(attrstr));
if (sizeret == -1) {
- if (errno == ENOSYS
-#if defined(ENOTSUP)
- || errno == ENOTSUP) {
-#else
- ) {
-#endif
- DEBUG(1,("get_ea_dos_attributes: Cannot get attribute "
- "from EA on file %s: Error = %s\n",
- smb_fname_str_dbg(smb_fname),
- strerror(errno)));
- set_store_dos_attributes(SNUM(conn), False);
- }
- return False;
+ DBG_INFO("Cannot get attribute "
+ "from EA on file %s: Error = %s\n",
+ smb_fname_str_dbg(smb_fname), strerror(errno));
+ return map_nt_error_from_unix(errno);
}
- /* Null terminate string. */
- attrstr[sizeret] = 0;
- DEBUG(10,("get_ea_dos_attribute: %s attrstr = %s\n",
- smb_fname_str_dbg(smb_fname), attrstr));
- if (sizeret < 2 || attrstr[0] != '0' || attrstr[1] != 'x' ||
- sscanf(attrstr, "%x", &dosattr) != 1) {
- DEBUG(1,("get_ea_dos_attributes: Badly formed DOSATTRIB on "
- "file %s - %s\n", smb_fname_str_dbg(smb_fname),
- attrstr));
- return False;
- }
+ blob.data = (uint8_t *)attrstr;
+ blob.length = sizeret;
- if (S_ISDIR(smb_fname->st.st_ex_mode)) {
- dosattr |= aDIR;
+ ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
+ (ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(1,("get_ea_dos_attribute: bad ndr decode "
+ "from EA on file %s: Error = %s\n",
+ smb_fname_str_dbg(smb_fname),
+ ndr_errstr(ndr_err)));
+ return ndr_map_error2ntstatus(ndr_err);
}
- *pattr = (uint32)(dosattr & SAMBA_ATTRIBUTES_MASK);
- DEBUG(8,("get_ea_dos_attribute returning (0x%x)", dosattr));
+ DEBUG(10,("get_ea_dos_attribute: %s attr = %s\n",
+ smb_fname_str_dbg(smb_fname), dosattrib.attrib_hex));
+
+ switch (dosattrib.version) {
+ case 0xFFFF:
+ dosattr = dosattrib.info.compatinfoFFFF.attrib;
+ break;
+ case 1:
+ dosattr = dosattrib.info.info1.attrib;
+ if (!null_nttime(dosattrib.info.info1.create_time)) {
+ struct timespec create_time =
+ nt_time_to_unix_timespec(
+ dosattrib.info.info1.create_time);
+
+ update_stat_ex_create_time(&smb_fname->st,
+ create_time);
+
+ DEBUG(10,("get_ea_dos_attribute: file %s case 1 "
+ "set btime %s\n",
+ smb_fname_str_dbg(smb_fname),
+ time_to_asc(convert_timespec_to_time_t(
+ create_time)) ));
+ }
+ break;
+ case 2:
+ dosattr = dosattrib.info.oldinfo2.attrib;
+ /* Don't know what flags to check for this case. */
+ break;
+ case 3:
+ dosattr = dosattrib.info.info3.attrib;
+ if ((dosattrib.info.info3.valid_flags & XATTR_DOSINFO_CREATE_TIME) &&
+ !null_nttime(dosattrib.info.info3.create_time)) {
+ struct timespec create_time =
+ nt_time_to_unix_timespec(
+ dosattrib.info.info3.create_time);
+
+ update_stat_ex_create_time(&smb_fname->st,
+ create_time);
+
+ DEBUG(10,("get_ea_dos_attribute: file %s case 3 "
+ "set btime %s\n",
+ smb_fname_str_dbg(smb_fname),
+ time_to_asc(convert_timespec_to_time_t(
+ create_time)) ));
+ }
+ break;
+ default:
+ DEBUG(1,("get_ea_dos_attribute: Badly formed DOSATTRIB on "
+ "file %s - %s\n", smb_fname_str_dbg(smb_fname),
+ attrstr));
+ /* Should this be INTERNAL_ERROR? */
+ return NT_STATUS_INVALID_PARAMETER;
+ }
- if (dosattr & aHIDDEN) DEBUG(8, ("h"));
- if (dosattr & aRONLY ) DEBUG(8, ("r"));
- if (dosattr & aSYSTEM) DEBUG(8, ("s"));
- if (dosattr & aDIR ) DEBUG(8, ("d"));
- if (dosattr & aARCH ) DEBUG(8, ("a"));
+ if (S_ISDIR(smb_fname->st.st_ex_mode)) {
+ dosattr |= FILE_ATTRIBUTE_DIRECTORY;
+ }
+ /* FILE_ATTRIBUTE_SPARSE is valid on get but not on set. */
+ *pattr |= (uint32_t)(dosattr & (SAMBA_ATTRIBUTES_MASK|FILE_ATTRIBUTE_SPARSE));
- DEBUG(8,("\n"));
+ dos_mode_debug_print(__func__, *pattr);
- return True;
+ return NT_STATUS_OK;
}
/****************************************************************************
Set DOS attributes in an EA.
+ Also sets the create time.
****************************************************************************/
-static bool set_ea_dos_attribute(connection_struct *conn,
- struct smb_filename *smb_fname,
- uint32 dosmode)
+NTSTATUS set_ea_dos_attribute(connection_struct *conn,
+ const struct smb_filename *smb_fname,
+ uint32_t dosmode)
{
- fstring attrstr;
- files_struct *fsp = NULL;
- bool ret = False;
+ struct xattr_DOSATTRIB dosattrib;
+ enum ndr_err_code ndr_err;
+ DATA_BLOB blob;
if (!lp_store_dos_attributes(SNUM(conn))) {
- return False;
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+
+ /*
+ * Don't store FILE_ATTRIBUTE_OFFLINE, it's dealt with in
+ * vfs_default via DMAPI if that is enabled.
+ */
+ dosmode &= ~FILE_ATTRIBUTE_OFFLINE;
+
+ ZERO_STRUCT(dosattrib);
+ ZERO_STRUCT(blob);
+
+ dosattrib.version = 3;
+ dosattrib.info.info3.valid_flags = XATTR_DOSINFO_ATTRIB|
+ XATTR_DOSINFO_CREATE_TIME;
+ dosattrib.info.info3.attrib = dosmode;
+ dosattrib.info.info3.create_time = unix_timespec_to_nt_time(
+ smb_fname->st.st_ex_btime);
+
+ DEBUG(10,("set_ea_dos_attributes: set attribute 0x%x, btime = %s on file %s\n",
+ (unsigned int)dosmode,
+ time_to_asc(convert_timespec_to_time_t(smb_fname->st.st_ex_btime)),
+ smb_fname_str_dbg(smb_fname) ));
+
+ ndr_err = ndr_push_struct_blob(
+ &blob, talloc_tos(), &dosattrib,
+ (ndr_push_flags_fn_t)ndr_push_xattr_DOSATTRIB);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(5, ("create_acl_blob: ndr_push_xattr_DOSATTRIB failed: %s\n",
+ ndr_errstr(ndr_err)));
+ return ndr_map_error2ntstatus(ndr_err);
+ }
+
+ if (blob.data == NULL || blob.length == 0) {
+ /* Should this be INTERNAL_ERROR? */
+ return NT_STATUS_INVALID_PARAMETER;
}
- snprintf(attrstr, sizeof(attrstr)-1, "0x%x", dosmode & SAMBA_ATTRIBUTES_MASK);
- if (SMB_VFS_SETXATTR(conn, smb_fname->base_name,
- SAMBA_XATTR_DOS_ATTRIB, attrstr, strlen(attrstr),
+ if (SMB_VFS_SETXATTR(conn, smb_fname,
+ SAMBA_XATTR_DOS_ATTRIB, blob.data, blob.length,
0) == -1) {
+ NTSTATUS status = NT_STATUS_OK;
+ bool need_close = false;
+ files_struct *fsp = NULL;
+
if((errno != EPERM) && (errno != EACCES)) {
- if (errno == ENOSYS
-#if defined(ENOTSUP)
- || errno == ENOTSUP) {
-#else
- ) {
-#endif
- DEBUG(1,("set_ea_dos_attributes: Cannot set "
- "attribute EA on file %s: Error = %s\n",
- smb_fname_str_dbg(smb_fname),
- strerror(errno) ));
- set_store_dos_attributes(SNUM(conn), False);
- }
- return False;
+ DBG_INFO("Cannot set "
+ "attribute EA on file %s: Error = %s\n",
+ smb_fname_str_dbg(smb_fname), strerror(errno));
+ return map_nt_error_from_unix(errno);
}
/* We want DOS semantics, ie allow non owner with write permission to change the
/* Check if we have write access. */
if(!CAN_WRITE(conn) || !lp_dos_filemode(SNUM(conn)))
- return False;
+ return NT_STATUS_ACCESS_DENIED;
+
+ if (!can_write_to_file(conn, smb_fname)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
/*
- * We need to open the file with write access whilst
- * still in our current user context. This ensures we
- * are not violating security in doing the setxattr.
+ * We need to get an open file handle to do the
+ * metadata operation under root.
*/
- if (!NT_STATUS_IS_OK(open_file_fchmod(NULL, conn, smb_fname,
- &fsp)))
- return ret;
+ status = get_file_handle_for_metadata(conn,
+ smb_fname,
+ &fsp,
+ &need_close);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
become_root();
- if (SMB_VFS_SETXATTR(conn, smb_fname->base_name,
- SAMBA_XATTR_DOS_ATTRIB, attrstr,
- strlen(attrstr), 0) == 0) {
- ret = True;
+ if (SMB_VFS_FSETXATTR(fsp,
+ SAMBA_XATTR_DOS_ATTRIB, blob.data,
+ blob.length, 0) == 0) {
+ status = NT_STATUS_OK;
}
unbecome_root();
- close_file_fchmod(NULL, fsp);
- return ret;
+ if (need_close) {
+ close_file(NULL, fsp, NORMAL_CLOSE);
+ }
+ return status;
}
- DEBUG(10,("set_ea_dos_attribute: set EA %s on file %s\n", attrstr,
- smb_fname_str_dbg(smb_fname)));
- return True;
+ DEBUG(10,("set_ea_dos_attribute: set EA 0x%x on file %s\n",
+ (unsigned int)dosmode,
+ smb_fname_str_dbg(smb_fname)));
+ return NT_STATUS_OK;
}
/****************************************************************************
Change a unix mode to a dos mode for an ms dfs link.
****************************************************************************/
-uint32 dos_mode_msdfs(connection_struct *conn,
+uint32_t dos_mode_msdfs(connection_struct *conn,
const struct smb_filename *smb_fname)
{
- uint32 result = 0;
+ uint32_t result = 0;
DEBUG(8,("dos_mode_msdfs: %s\n", smb_fname_str_dbg(smb_fname)));
/* Only . and .. are not hidden. */
if (p[0] == '.' && !((p[1] == '\0') ||
(p[1] == '.' && p[2] == '\0'))) {
- result |= aHIDDEN;
+ result |= FILE_ATTRIBUTE_HIDDEN;
}
}
/* Optimization : Only call is_hidden_path if it's not already
hidden. */
- if (!(result & aHIDDEN) &&
+ if (!(result & FILE_ATTRIBUTE_HIDDEN) &&
IS_HIDDEN_PATH(conn, smb_fname->base_name)) {
- result |= aHIDDEN;
+ result |= FILE_ATTRIBUTE_HIDDEN;
}
- DEBUG(8,("dos_mode_msdfs returning "));
+ if (result == 0) {
+ result = FILE_ATTRIBUTE_NORMAL;
+ }
- if (result & aHIDDEN) DEBUG(8, ("h"));
- if (result & aRONLY ) DEBUG(8, ("r"));
- if (result & aSYSTEM) DEBUG(8, ("s"));
- if (result & aDIR ) DEBUG(8, ("d"));
- if (result & aARCH ) DEBUG(8, ("a"));
- if (result & FILE_ATTRIBUTE_SPARSE ) DEBUG(8, ("[sparse]"));
+ result = filter_mode_by_protocol(result);
- DEBUG(8,("\n"));
+ /*
+ * Add in that it is a reparse point
+ */
+ result |= FILE_ATTRIBUTE_REPARSE_POINT;
- return(result);
-}
+ dos_mode_debug_print(__func__, result);
-#ifdef HAVE_STAT_DOS_FLAGS
-/****************************************************************************
- Convert dos attributes (FILE_ATTRIBUTE_*) to dos stat flags (UF_*)
-****************************************************************************/
-
-int dos_attributes_to_stat_dos_flags(uint32_t dosmode)
-{
- uint32_t dos_stat_flags = 0;
-
- if (dosmode & aARCH)
- dos_stat_flags |= UF_DOS_ARCHIVE;
- if (dosmode & aHIDDEN)
- dos_stat_flags |= UF_DOS_HIDDEN;
- if (dosmode & aRONLY)
- dos_stat_flags |= UF_DOS_RO;
- if (dosmode & aSYSTEM)
- dos_stat_flags |= UF_DOS_SYSTEM;
- if (dosmode & FILE_ATTRIBUTE_NONINDEXED)
- dos_stat_flags |= UF_DOS_NOINDEX;
-
- return dos_stat_flags;
+ return(result);
}
-/****************************************************************************
- Gets DOS attributes, accessed via st_ex_flags in the stat struct.
-****************************************************************************/
-
-static bool get_stat_dos_flags(connection_struct *conn,
- const struct smb_filename *smb_fname,
- uint32_t *dosmode)
+/*
+ * check whether a file or directory is flagged as compressed.
+ */
+static NTSTATUS dos_mode_check_compressed(connection_struct *conn,
+ struct smb_filename *smb_fname,
+ bool *is_compressed)
{
- SMB_ASSERT(VALID_STAT(smb_fname->st));
- SMB_ASSERT(dosmode);
-
- if (!lp_store_dos_attributes(SNUM(conn))) {
- return false;
+ NTSTATUS status;
+ uint16_t compression_fmt;
+ TALLOC_CTX *tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto err_out;
}
- DEBUG(5, ("Getting stat dos attributes for %s.\n",
- smb_fname_str_dbg(smb_fname)));
-
- if (smb_fname->st.st_ex_flags & UF_DOS_ARCHIVE)
- *dosmode |= aARCH;
- if (smb_fname->st.st_ex_flags & UF_DOS_HIDDEN)
- *dosmode |= aHIDDEN;
- if (smb_fname->st.st_ex_flags & UF_DOS_RO)
- *dosmode |= aRONLY;
- if (smb_fname->st.st_ex_flags & UF_DOS_SYSTEM)
- *dosmode |= aSYSTEM;
- if (smb_fname->st.st_ex_flags & UF_DOS_NOINDEX)
- *dosmode |= FILE_ATTRIBUTE_NONINDEXED;
- if (S_ISDIR(smb_fname->st.st_ex_mode))
- *dosmode |= aDIR;
+ status = SMB_VFS_GET_COMPRESSION(conn, tmp_ctx, NULL, smb_fname,
+ &compression_fmt);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto err_ctx_free;
+ }
- *dosmode |= set_sparse_flag(smb_fname->st);
- *dosmode |= set_link_read_only_flag(smb_fname->st);
+ if (compression_fmt == COMPRESSION_FORMAT_LZNT1) {
+ *is_compressed = true;
+ } else {
+ *is_compressed = false;
+ }
+ status = NT_STATUS_OK;
- return true;
+err_ctx_free:
+ talloc_free(tmp_ctx);
+err_out:
+ return status;
}
-/****************************************************************************
- Sets DOS attributes, stored in st_ex_flags of the inode.
-****************************************************************************/
-
-static bool set_stat_dos_flags(connection_struct *conn,
- const struct smb_filename *smb_fname,
- uint32_t dosmode,
- bool *attributes_changed)
+static uint32_t dos_mode_from_name(connection_struct *conn,
+ const struct smb_filename *smb_fname,
+ uint32_t dosmode)
{
- uint32_t new_flags = 0;
- int error = 0;
+ const char *p = NULL;
+ uint32_t result = dosmode;
- SMB_ASSERT(VALID_STAT(smb_fname->st));
- SMB_ASSERT(attributes_changed);
-
- *attributes_changed = false;
+ if (!(result & FILE_ATTRIBUTE_HIDDEN) &&
+ lp_hide_dot_files(SNUM(conn)))
+ {
+ p = strrchr_m(smb_fname->base_name, '/');
+ if (p) {
+ p++;
+ } else {
+ p = smb_fname->base_name;
+ }
- if (!lp_store_dos_attributes(SNUM(conn))) {
- return false;
+ /* Only . and .. are not hidden. */
+ if ((p[0] == '.') &&
+ !((p[1] == '\0') || (p[1] == '.' && p[2] == '\0')))
+ {
+ result |= FILE_ATTRIBUTE_HIDDEN;
+ }
}
- DEBUG(5, ("Setting stat dos attributes for %s.\n",
- smb_fname_str_dbg(smb_fname)));
-
- new_flags = (smb_fname->st.st_ex_flags & ~UF_DOS_FLAGS) |
- dos_attributes_to_stat_dos_flags(dosmode);
-
- /* Return early if no flags changed. */
- if (new_flags == smb_fname->st.st_ex_flags)
- return true;
-
- DEBUG(5, ("Setting stat dos attributes=0x%x, prev=0x%x\n", new_flags,
- smb_fname->st.st_ex_flags));
-
- /* Set new flags with chflags. */
- error = SMB_VFS_CHFLAGS(conn, smb_fname->base_name, new_flags);
- if (error) {
- DEBUG(0, ("Failed setting new stat dos attributes (0x%x) on "
- "file %s! errno=%d\n", new_flags,
- smb_fname_str_dbg(smb_fname), errno));
- return false;
+ if (!(result & FILE_ATTRIBUTE_HIDDEN) &&
+ IS_HIDDEN_PATH(conn, smb_fname->base_name))
+ {
+ result |= FILE_ATTRIBUTE_HIDDEN;
}
- *attributes_changed = true;
- return true;
+ return result;
}
-#endif /* HAVE_STAT_DOS_FLAGS */
/****************************************************************************
Change a unix mode to a dos mode.
+ May also read the create timespec into the stat struct in smb_fname
+ if "store dos attributes" is true.
****************************************************************************/
-uint32 dos_mode(connection_struct *conn, const struct smb_filename *smb_fname)
+uint32_t dos_mode(connection_struct *conn, struct smb_filename *smb_fname)
{
- SMB_STRUCT_STAT sbuf;
- uint32 result = 0;
- bool offline, used_stat_dos_flags = false;
+ uint32_t result = 0;
+ NTSTATUS status = NT_STATUS_OK;
DEBUG(8,("dos_mode: %s\n", smb_fname_str_dbg(smb_fname)));
return 0;
}
- /* First do any modifications that depend on the path name. */
- /* hide files with a name starting with a . */
- if (lp_hide_dot_files(SNUM(conn))) {
- const char *p = strrchr_m(smb_fname->base_name,'/');
- if (p) {
- p++;
- } else {
- p = smb_fname->base_name;
- }
-
- /* Only . and .. are not hidden. */
- if (p[0] == '.' && !((p[1] == '\0') ||
- (p[1] == '.' && p[2] == '\0'))) {
- result |= aHIDDEN;
- }
+ /* Get the DOS attributes via the VFS if we can */
+ status = SMB_VFS_GET_DOS_ATTRIBUTES(conn, smb_fname, &result);
+ if (!NT_STATUS_IS_OK(status)) {
+ result |= dos_mode_from_sbuf(conn, smb_fname);
}
-#ifdef HAVE_STAT_DOS_FLAGS
- used_stat_dos_flags = get_stat_dos_flags(conn, smb_fname, &result);
-#endif
- if (!used_stat_dos_flags) {
- /* Get the DOS attributes from an EA by preference. */
- if (get_ea_dos_attribute(conn, smb_fname, &result)) {
- result |= set_sparse_flag(&smb_fname->st);
- } else {
- result |= dos_mode_from_sbuf(conn, smb_fname);
+ if (conn->fs_capabilities & FILE_FILE_COMPRESSION) {
+ bool compressed = false;
+ status = dos_mode_check_compressed(conn, smb_fname,
+ &compressed);
+ if (NT_STATUS_IS_OK(status) && compressed) {
+ result |= FILE_ATTRIBUTE_COMPRESSED;
}
}
- sbuf = smb_fname->st;
- offline = SMB_VFS_IS_OFFLINE(conn, smb_fname->base_name, &sbuf);
- if (S_ISREG(sbuf.st_ex_mode) && offline) {
- result |= FILE_ATTRIBUTE_OFFLINE;
- }
+ result |= dos_mode_from_name(conn, smb_fname, result);
- /* Optimization : Only call is_hidden_path if it's not already
- hidden. */
- if (!(result & aHIDDEN) &&
- IS_HIDDEN_PATH(conn, smb_fname->base_name)) {
- result |= aHIDDEN;
+ if (S_ISDIR(smb_fname->st.st_ex_mode)) {
+ result |= FILE_ATTRIBUTE_DIRECTORY;
+ } else if (result == 0) {
+ result = FILE_ATTRIBUTE_NORMAL;
}
- DEBUG(8,("dos_mode returning "));
+ result = filter_mode_by_protocol(result);
- if (result & aHIDDEN) DEBUG(8, ("h"));
- if (result & aRONLY ) DEBUG(8, ("r"));
- if (result & aSYSTEM) DEBUG(8, ("s"));
- if (result & aDIR ) DEBUG(8, ("d"));
- if (result & aARCH ) DEBUG(8, ("a"));
- if (result & FILE_ATTRIBUTE_SPARSE ) DEBUG(8, ("[sparse]"));
+ dos_mode_debug_print(__func__, result);
- DEBUG(8,("\n"));
-
- return(result);
+ return result;
}
/*******************************************************************
chmod a file - but preserve some bits.
+ If "store dos attributes" is also set it will store the create time
+ from the stat struct in smb_fname (in NTTIME format) in the EA
+ attribute also.
********************************************************************/
int file_set_dosmode(connection_struct *conn, struct smb_filename *smb_fname,
- uint32 dosmode, const char *parent_dir, bool newfile)
+ uint32_t dosmode, const char *parent_dir, bool newfile)
{
int mask=0;
mode_t tmp;
mode_t unixmode;
int ret = -1, lret = -1;
- uint32_t old_mode;
+ files_struct *fsp = NULL;
+ bool need_close = false;
+ NTSTATUS status;
- /* We only allow READONLY|HIDDEN|SYSTEM|DIRECTORY|ARCHIVE here. */
- dosmode &= (SAMBA_ATTRIBUTES_MASK | FILE_ATTRIBUTE_OFFLINE);
+ if (!CAN_WRITE(conn)) {
+ errno = EROFS;
+ return -1;
+ }
+
+ dosmode &= SAMBA_ATTRIBUTES_MASK;
DEBUG(10,("file_set_dosmode: setting dos mode 0x%x on file %s\n",
dosmode, smb_fname_str_dbg(smb_fname)));
- if (!VALID_STAT(smb_fname->st)) {
- if (SMB_VFS_STAT(conn, smb_fname))
- return(-1);
- }
-
unixmode = smb_fname->st.st_ex_mode;
- get_acl_group_bits(conn, smb_fname->base_name,
- &smb_fname->st.st_ex_mode);
+ get_acl_group_bits(conn, smb_fname,
+ &smb_fname->st.st_ex_mode);
if (S_ISDIR(smb_fname->st.st_ex_mode))
- dosmode |= aDIR;
+ dosmode |= FILE_ATTRIBUTE_DIRECTORY;
else
- dosmode &= ~aDIR;
-
- old_mode = dos_mode(conn, smb_fname);
-
- if (dosmode & FILE_ATTRIBUTE_OFFLINE) {
- if (!(old_mode & FILE_ATTRIBUTE_OFFLINE)) {
- lret = SMB_VFS_SET_OFFLINE(conn, smb_fname->base_name);
- if (lret == -1) {
- DEBUG(0, ("set_dos_mode: client has asked to "
- "set FILE_ATTRIBUTE_OFFLINE to "
- "%s/%s but there was an error while "
- "setting it or it is not "
- "supported.\n", parent_dir,
- smb_fname_str_dbg(smb_fname)));
- }
- }
- }
-
- dosmode &= ~FILE_ATTRIBUTE_OFFLINE;
- old_mode &= ~FILE_ATTRIBUTE_OFFLINE;
-
- if (old_mode == dosmode) {
- smb_fname->st.st_ex_mode = unixmode;
- return(0);
- }
-
-#ifdef HAVE_STAT_DOS_FLAGS
- {
- bool attributes_changed;
+ dosmode &= ~FILE_ATTRIBUTE_DIRECTORY;
- if (set_stat_dos_flags(conn, smb_fname, dosmode,
- &attributes_changed))
- {
- if (!newfile && attributes_changed) {
- notify_fname(conn, NOTIFY_ACTION_MODIFIED,
- FILE_NOTIFY_CHANGE_ATTRIBUTES,
- smb_fname->base_name);
- }
- smb_fname->st.st_ex_mode = unixmode;
- return 0;
- }
- }
-#endif
/* Store the DOS attributes in an EA by preference. */
- if (set_ea_dos_attribute(conn, smb_fname, dosmode)) {
+ status = SMB_VFS_SET_DOS_ATTRIBUTES(conn, smb_fname, dosmode);
+ if (NT_STATUS_IS_OK(status)) {
if (!newfile) {
notify_fname(conn, NOTIFY_ACTION_MODIFIED,
- FILE_NOTIFY_CHANGE_ATTRIBUTES,
- smb_fname->base_name);
+ FILE_NOTIFY_CHANGE_ATTRIBUTES,
+ smb_fname->base_name);
}
smb_fname->st.st_ex_mode = unixmode;
return 0;
+ } else {
+ /*
+ * Only fall back to using UNIX modes if
+ * we get NOT_IMPLEMENTED.
+ */
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_NOT_IMPLEMENTED)) {
+ errno = map_errno_from_nt_status(status);
+ return -1;
+ }
}
+ /* Fall back to UNIX modes. */
unixmode = unix_mode(conn, dosmode, smb_fname, parent_dir);
+ /* preserve the file type bits */
+ mask |= S_IFMT;
+
/* preserve the s bits */
mask |= (S_ISUID | S_ISGID);
unixmode |= (smb_fname->st.st_ex_mode & (S_IWUSR|S_IWGRP|S_IWOTH));
}
- ret = SMB_VFS_CHMOD(conn, smb_fname->base_name, unixmode);
+ /*
+ * From the chmod 2 man page:
+ *
+ * "If the calling process is not privileged, and the group of the file
+ * does not match the effective group ID of the process or one of its
+ * supplementary group IDs, the S_ISGID bit will be turned off, but
+ * this will not cause an error to be returned."
+ *
+ * Simply refuse to do the chmod in this case.
+ */
+
+ if (S_ISDIR(smb_fname->st.st_ex_mode) && (unixmode & S_ISGID) &&
+ geteuid() != sec_initial_uid() &&
+ !current_user_in_group(conn, smb_fname->st.st_ex_gid)) {
+ DEBUG(3,("file_set_dosmode: setgid bit cannot be "
+ "set for directory %s\n",
+ smb_fname_str_dbg(smb_fname)));
+ errno = EPERM;
+ return -1;
+ }
+
+ ret = SMB_VFS_CHMOD(conn, smb_fname, unixmode);
if (ret == 0) {
if(!newfile || (lret != -1)) {
notify_fname(conn, NOTIFY_ACTION_MODIFIED,
bits on a file. Just like file_ntimes below.
*/
- /* Check if we have write access. */
- if (CAN_WRITE(conn)) {
- /*
- * We need to open the file with write access whilst
- * still in our current user context. This ensures we
- * are not violating security in doing the fchmod.
- * This file open does *not* break any oplocks we are
- * holding. We need to review this.... may need to
- * break batch oplocks open by others. JRA.
- */
- files_struct *fsp;
- if (!NT_STATUS_IS_OK(open_file_fchmod(NULL, conn, smb_fname,
- &fsp)))
- return -1;
- become_root();
- ret = SMB_VFS_FCHMOD(fsp, unixmode);
- unbecome_root();
- close_file_fchmod(NULL, fsp);
- if (!newfile) {
- notify_fname(conn, NOTIFY_ACTION_MODIFIED,
- FILE_NOTIFY_CHANGE_ATTRIBUTES,
- smb_fname->base_name);
- }
- if (ret == 0) {
- smb_fname->st.st_ex_mode = unixmode;
- }
+ if (!can_write_to_file(conn, smb_fname)) {
+ errno = EACCES;
+ return -1;
+ }
+
+ /*
+ * We need to get an open file handle to do the
+ * metadata operation under root.
+ */
+
+ status = get_file_handle_for_metadata(conn,
+ smb_fname,
+ &fsp,
+ &need_close);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
+ return -1;
+ }
+
+ become_root();
+ ret = SMB_VFS_FCHMOD(fsp, unixmode);
+ unbecome_root();
+ if (need_close) {
+ close_file(NULL, fsp, NORMAL_CLOSE);
+ }
+ if (!newfile) {
+ notify_fname(conn, NOTIFY_ACTION_MODIFIED,
+ FILE_NOTIFY_CHANGE_ATTRIBUTES,
+ smb_fname->base_name);
+ }
+ if (ret == 0) {
+ smb_fname->st.st_ex_mode = unixmode;
}
return( ret );
}
+
+NTSTATUS file_set_sparse(connection_struct *conn,
+ files_struct *fsp,
+ bool sparse)
+{
+ uint32_t old_dosmode;
+ uint32_t new_dosmode;
+ NTSTATUS status;
+
+ if (!CAN_WRITE(conn)) {
+ DEBUG(9,("file_set_sparse: fname[%s] set[%u] "
+ "on readonly share[%s]\n",
+ smb_fname_str_dbg(fsp->fsp_name),
+ sparse,
+ lp_servicename(talloc_tos(), SNUM(conn))));
+ return NT_STATUS_MEDIA_WRITE_PROTECTED;
+ }
+
+ /*
+ * Windows Server 2008 & 2012 permit FSCTL_SET_SPARSE if any of the
+ * following access flags are granted.
+ */
+ if ((fsp->access_mask & (FILE_WRITE_DATA
+ | FILE_WRITE_ATTRIBUTES
+ | SEC_FILE_APPEND_DATA)) == 0) {
+ DEBUG(9,("file_set_sparse: fname[%s] set[%u] "
+ "access_mask[0x%08X] - access denied\n",
+ smb_fname_str_dbg(fsp->fsp_name),
+ sparse,
+ fsp->access_mask));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ if (fsp->is_directory) {
+ DEBUG(9, ("invalid attempt to %s sparse flag on dir %s\n",
+ (sparse ? "set" : "clear"),
+ smb_fname_str_dbg(fsp->fsp_name)));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (IS_IPC(conn) || IS_PRINT(conn)) {
+ DEBUG(9, ("attempt to %s sparse flag over invalid conn\n",
+ (sparse ? "set" : "clear")));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ DEBUG(10,("file_set_sparse: setting sparse bit %u on file %s\n",
+ sparse, smb_fname_str_dbg(fsp->fsp_name)));
+
+ if (!lp_store_dos_attributes(SNUM(conn))) {
+ return NT_STATUS_INVALID_DEVICE_REQUEST;
+ }
+
+ status = vfs_stat_fsp(fsp);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ old_dosmode = dos_mode(conn, fsp->fsp_name);
+
+ if (sparse && !(old_dosmode & FILE_ATTRIBUTE_SPARSE)) {
+ new_dosmode = old_dosmode | FILE_ATTRIBUTE_SPARSE;
+ } else if (!sparse && (old_dosmode & FILE_ATTRIBUTE_SPARSE)) {
+ new_dosmode = old_dosmode & ~FILE_ATTRIBUTE_SPARSE;
+ } else {
+ return NT_STATUS_OK;
+ }
+
+ /* Store the DOS attributes in an EA. */
+ status = SMB_VFS_FSET_DOS_ATTRIBUTES(conn, fsp, new_dosmode);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ notify_fname(conn, NOTIFY_ACTION_MODIFIED,
+ FILE_NOTIFY_CHANGE_ATTRIBUTES,
+ fsp->fsp_name->base_name);
+
+ fsp->is_sparse = sparse;
+
+ return NT_STATUS_OK;
+}
+
/*******************************************************************
Wrapper around the VFS ntimes that possibly allows DOS semantics rather
than POSIX.
time_to_asc(convert_timespec_to_time_t(ft->atime))));
DEBUG(6, ("file_ntime: modtime: %s",
time_to_asc(convert_timespec_to_time_t(ft->mtime))));
+ DEBUG(6, ("file_ntime: ctime: %s",
+ time_to_asc(convert_timespec_to_time_t(ft->ctime))));
DEBUG(6, ("file_ntime: createtime: %s",
time_to_asc(convert_timespec_to_time_t(ft->create_time))));
bool set_sticky_write_time_fsp(struct files_struct *fsp, struct timespec mtime)
{
+ if (null_timespec(mtime)) {
+ return true;
+ }
+
fsp->write_time_forced = true;
TALLOC_FREE(fsp->update_write_time_event);
}
/******************************************************************
- Update a write time immediately, without the 2 second delay.
+ Set a create time EA.
******************************************************************/
-bool update_write_time(struct files_struct *fsp)
+NTSTATUS set_create_timespec_ea(connection_struct *conn,
+ const struct smb_filename *psmb_fname,
+ struct timespec create_time)
{
- if (!set_write_time(fsp->file_id, timespec_current())) {
- return false;
+ struct smb_filename *smb_fname;
+ uint32_t dosmode;
+ int ret;
+
+ if (!lp_store_dos_attributes(SNUM(conn))) {
+ return NT_STATUS_OK;
}
- notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
- FILE_NOTIFY_CHANGE_LAST_WRITE, fsp->fsp_name);
+ smb_fname = synthetic_smb_fname(talloc_tos(),
+ psmb_fname->base_name,
+ NULL,
+ &psmb_fname->st,
+ psmb_fname->flags);
- return true;
+ if (smb_fname == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ dosmode = dos_mode(conn, smb_fname);
+
+ smb_fname->st.st_ex_btime = create_time;
+
+ ret = file_set_dosmode(conn, smb_fname, dosmode, NULL, false);
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ DEBUG(10,("set_create_timespec_ea: wrote create time EA for file %s\n",
+ smb_fname_str_dbg(smb_fname)));
+
+ return NT_STATUS_OK;
+}
+
+/******************************************************************
+ Return a create time.
+******************************************************************/
+
+struct timespec get_create_timespec(connection_struct *conn,
+ struct files_struct *fsp,
+ const struct smb_filename *smb_fname)
+{
+ return smb_fname->st.st_ex_btime;
+}
+
+/******************************************************************
+ Return a change time (may look at EA in future).
+******************************************************************/
+
+struct timespec get_change_timespec(connection_struct *conn,
+ struct files_struct *fsp,
+ const struct smb_filename *smb_fname)
+{
+ return smb_fname->st.st_ex_mtime;
+}
+
+/****************************************************************************
+ Get a real open file handle we can do meta-data operations on. As it's
+ going to be used under root access only on meta-data we should look for
+ any existing open file handle first, and use that in preference (also to
+ avoid kernel self-oplock breaks). If not use an INTERNAL_OPEN_ONLY handle.
+****************************************************************************/
+
+static NTSTATUS get_file_handle_for_metadata(connection_struct *conn,
+ const struct smb_filename *smb_fname,
+ files_struct **ret_fsp,
+ bool *need_close)
+{
+ NTSTATUS status;
+ files_struct *fsp;
+ struct file_id file_id;
+ struct smb_filename *smb_fname_cp = NULL;
+
+ *need_close = false;
+
+ if (!VALID_STAT(smb_fname->st)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ file_id = vfs_file_id_from_sbuf(conn, &smb_fname->st);
+
+ for(fsp = file_find_di_first(conn->sconn, file_id);
+ fsp;
+ fsp = file_find_di_next(fsp)) {
+ if (fsp->fh->fd != -1) {
+ *ret_fsp = fsp;
+ return NT_STATUS_OK;
+ }
+ }
+
+ smb_fname_cp = cp_smb_filename(talloc_tos(),
+ smb_fname);
+ if (smb_fname_cp == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* Opens an INTERNAL_OPEN_ONLY write handle. */
+ status = SMB_VFS_CREATE_FILE(
+ conn, /* conn */
+ NULL, /* req */
+ 0, /* root_dir_fid */
+ smb_fname_cp, /* fname */
+ FILE_WRITE_DATA, /* access_mask */
+ (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
+ FILE_SHARE_DELETE),
+ FILE_OPEN, /* create_disposition*/
+ 0, /* create_options */
+ 0, /* file_attributes */
+ INTERNAL_OPEN_ONLY, /* oplock_request */
+ NULL, /* lease */
+ 0, /* allocation_size */
+ 0, /* private_flags */
+ NULL, /* sd */
+ NULL, /* ea_list */
+ ret_fsp, /* result */
+ NULL, /* pinfo */
+ NULL, NULL); /* create context */
+
+ TALLOC_FREE(smb_fname_cp);
+
+ if (NT_STATUS_IS_OK(status)) {
+ *need_close = true;
+ }
+ return status;
}
git.samba.org / vlendec / samba-autobuild / .git / blobdiff