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-rw-r--r--source3/configure.in17
-rw-r--r--source3/include/trans2.h40
-rw-r--r--source3/smbd/trans2.c291
3 files changed, 302 insertions, 46 deletions
diff --git a/source3/configure.in b/source3/configure.in
index 38449dae33..3e407cf5dc 100644
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -2976,6 +2976,23 @@ if test x"$samba_cv_HAVE_STAT_ST_BLKSIZE" = x"yes"; then
AC_DEFINE(HAVE_STAT_ST_BLKSIZE,1,[Whether the stat struct has a st_blksize property])
fi
+AC_CACHE_CHECK([for st_flags in struct stat],
+ samba_cv_HAVE_STAT_ST_FLAGS,
+ [
+ AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>],
+ [struct stat st; st.st_flags = 0;],
+ samba_cv_HAVE_STAT_ST_FLAGS=yes,
+ samba_cv_HAVE_STAT_ST_FLAGS=no,
+ samba_cv_HAVE_STAT_ST_FLAGS=cross)
+ ])
+
+if test x"$samba_cv_HAVE_STAT_ST_FLAGS" = x"yes"; then
+ AC_DEFINE(HAVE_STAT_ST_FLAGS, 1,
+ [Whether the stat struct has a st_flags member])
+fi
+
case "$host_os" in
*linux*)
AC_CACHE_CHECK([for broken RedHat 7.2 system header files],samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS,[
diff --git a/source3/include/trans2.h b/source3/include/trans2.h
index c6d98c7ed3..8d372dcde3 100644
--- a/source3/include/trans2.h
+++ b/source3/include/trans2.h
@@ -1,6 +1,8 @@
/*
Unix SMB/CIFS implementation.
SMB transaction2 handling
+
+ Copyright (C) James Peach 2007
Copyright (C) Jeremy Allison 1994-2002.
Extensively modified by Andrew Tridgell, 1995
@@ -352,6 +354,7 @@ Byte offset Type name description
#define SMB_QUERY_FILE_UNIX_BASIC 0x200 /* UNIX File Info*/
#define SMB_SET_FILE_UNIX_BASIC 0x200
+#define SMB_SET_FILE_UNIX_INFO2 0x20B /* UNIX File Info2 */
#define SMB_MODE_NO_CHANGE 0xFFFFFFFF /* file mode value which */
/* means "don't change it" */
@@ -435,6 +438,18 @@ Offset Size Name
#define UNIX_EXTRA_MASK 0007000
#define UNIX_ALL_MASK 0007777
+/* Flags for chflags (CIFS_UNIX_EXTATTR_CAP capability) and
+ * SMB_QUERY_FILE_UNIX_INFO2.
+ */
+#define EXT_SECURE_DELETE 0x00000001
+#define EXT_ENABLE_UNDELETE 0x00000002
+#define EXT_SYNCHRONOUS 0x00000004
+#define EXT_IMMUTABLE 0x00000008
+#define EXT_OPEN_APPEND_ONLY 0x00000010
+#define EXT_DO_NOT_BACKUP 0x00000020
+#define EXT_NO_UPDATE_ATIME 0x00000040
+#define EXT_HIDDEN 0x00000080
+
#define SMB_QUERY_FILE_UNIX_LINK 0x201
#define SMB_SET_FILE_UNIX_LINK 0x201
#define SMB_SET_FILE_UNIX_HLINK 0x203
@@ -455,8 +470,33 @@ Offset Size Name
#define SMB_QUERY_FILE_UNIX_INFO2 0x20B /* UNIX File Info2 */
#define SMB_SET_FILE_UNIX_INFO2 0x20B
+/*
+SMB_QUERY_FILE_UNIX_INFO2 is SMB_QUERY_FILE_UNIX_BASIC with create
+time and file flags appended. The corresponding info level for
+findfirst/findnext is SMB_FIND_FILE_UNIX_INFO2.
+ Size Offset Value
+ ---------------------
+ 0 LARGE_INTEGER EndOfFile File size
+ 8 LARGE_INTEGER Blocks Number of blocks used on disk
+ 16 LARGE_INTEGER ChangeTime Attribute change time
+ 24 LARGE_INTEGER LastAccessTime Last access time
+ 32 LARGE_INTEGER LastModificationTime Last modification time
+ 40 LARGE_INTEGER Uid Numeric user id for the owner
+ 48 LARGE_INTEGER Gid Numeric group id of owner
+ 56 ULONG Type Enumeration specifying the file type
+ 60 LARGE_INTEGER devmajor Major device number if type is device
+ 68 LARGE_INTEGER devminor Minor device number if type is device
+ 76 LARGE_INTEGER uniqueid This is a server-assigned unique id
+ 84 LARGE_INTEGER permissions Standard UNIX permissions
+ 92 LARGE_INTEGER nlinks Number of hard links
+ 100 LARGE_INTEGER CreationTime Create/birth time
+ 108 ULONG FileFlags File flags enumeration
+ 112 ULONG FileFlagsMask Mask of valid flags
+*/
+
/* Transact 2 Find First levels */
#define SMB_FIND_FILE_UNIX 0x202
+#define SMB_FIND_FILE_UNIX_INFO2 0x20B /* UNIX File Info2 */
/*
Info level for TRANS2_QFSINFO - returns version of CIFS UNIX extensions, plus
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c
index 00327ddf45..441a798f27 100644
--- a/source3/smbd/trans2.c
+++ b/source3/smbd/trans2.c
@@ -35,6 +35,16 @@ extern struct current_user current_user;
#define get_file_size(sbuf) ((sbuf).st_size)
#define DIR_ENTRY_SAFETY_MARGIN 4096
+static char *store_file_unix_basic(connection_struct *conn,
+ char *pdata,
+ files_struct *fsp,
+ const SMB_STRUCT_STAT *psbuf);
+
+static char *store_file_unix_basic_info2(connection_struct *conn,
+ char *pdata,
+ files_struct *fsp,
+ const SMB_STRUCT_STAT *psbuf);
+
/********************************************************************
Roundup a value to the nearest allocation roundup size boundary.
Only do this for Windows clients.
@@ -57,7 +67,7 @@ SMB_BIG_UINT smb_roundup(connection_struct *conn, SMB_BIG_UINT val)
account sparse files.
********************************************************************/
-SMB_BIG_UINT get_allocation_size(connection_struct *conn, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
+SMB_BIG_UINT get_allocation_size(connection_struct *conn, files_struct *fsp, const SMB_STRUCT_STAT *sbuf)
{
SMB_BIG_UINT ret;
@@ -1579,51 +1589,21 @@ static BOOL get_lanman2_dir_entry(connection_struct *conn,
/* CIFS UNIX Extension. */
case SMB_FIND_FILE_UNIX:
- DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX\n"));
+ case SMB_FIND_FILE_UNIX_INFO2:
p+= 4;
SIVAL(p,0,reskey); p+= 4; /* Used for continuing search. */
/* Begin of SMB_QUERY_FILE_UNIX_BASIC */
- SOFF_T(p,0,get_file_size(sbuf)); /* File size 64 Bit */
- p+= 8;
-
- SOFF_T(p,0,get_allocation_size(conn,NULL,&sbuf)); /* Number of bytes used on disk - 64 Bit */
- p+= 8;
-
- put_long_date_timespec(p,get_ctimespec(&sbuf)); /* Inode change Time 64 Bit */
- put_long_date_timespec(p+8,get_atimespec(&sbuf)); /* Last access time 64 Bit */
- put_long_date_timespec(p+16,get_mtimespec(&sbuf)); /* Last modification time 64 Bit */
- p+= 24;
- SIVAL(p,0,sbuf.st_uid); /* user id for the owner */
- SIVAL(p,4,0);
- p+= 8;
-
- SIVAL(p,0,sbuf.st_gid); /* group id of owner */
- SIVAL(p,4,0);
- p+= 8;
-
- SIVAL(p,0,unix_filetype(sbuf.st_mode));
- p+= 4;
-
- SIVAL(p,0,unix_dev_major(sbuf.st_rdev)); /* Major device number if type is device */
- SIVAL(p,4,0);
- p+= 8;
-
- SIVAL(p,0,unix_dev_minor(sbuf.st_rdev)); /* Minor device number if type is device */
- SIVAL(p,4,0);
- p+= 8;
-
- SINO_T_VAL(p,0,(SMB_INO_T)sbuf.st_ino); /* inode number */
- p+= 8;
-
- SIVAL(p,0, unix_perms_to_wire(sbuf.st_mode)); /* Standard UNIX file permissions */
- SIVAL(p,4,0);
- p+= 8;
-
- SIVAL(p,0,sbuf.st_nlink); /* number of hard links */
- SIVAL(p,4,0);
- p+= 8;
+ if (info_level == SMB_FIND_FILE_UNIX) {
+ DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX\n"));
+ p = store_file_unix_basic(conn, p,
+ NULL, &sbuf);
+ } else {
+ DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX_INFO2\n"));
+ p = store_file_unix_basic_info2(conn, p,
+ NULL, &sbuf);
+ }
len = srvstr_push(outbuf, p, fname, -1, STR_TERMINATE);
p += len;
@@ -1733,6 +1713,7 @@ close_if_end = %d requires_resume_key = %d level = 0x%x, max_data_bytes = %d\n",
case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
break;
case SMB_FIND_FILE_UNIX:
+ case SMB_FIND_FILE_UNIX_INFO2:
if (!lp_unix_extensions()) {
return ERROR_NT(NT_STATUS_INVALID_LEVEL);
}
@@ -2040,6 +2021,7 @@ resume_key = %d resume name = %s continue=%d level = %d\n",
case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
break;
case SMB_FIND_FILE_UNIX:
+ case SMB_FIND_FILE_UNIX_INFO2:
if (!lp_unix_extensions()) {
return ERROR_NT(NT_STATUS_INVALID_LEVEL);
}
@@ -2533,6 +2515,7 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned
CIFS_UNIX_POSIX_ACLS_CAP|
CIFS_UNIX_POSIX_PATHNAMES_CAP|
CIFS_UNIX_FCNTL_LOCKS_CAP|
+ CIFS_UNIX_EXTATTR_CAP|
CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP)));
break;
@@ -2982,7 +2965,7 @@ static BOOL marshall_posix_acl(connection_struct *conn, char *pdata, SMB_STRUCT_
static char *store_file_unix_basic(connection_struct *conn,
char *pdata,
files_struct *fsp,
- SMB_STRUCT_STAT *psbuf)
+ const SMB_STRUCT_STAT *psbuf)
{
DEBUG(10,("store_file_unix_basic: SMB_QUERY_FILE_UNIX_BASIC\n"));
DEBUG(4,("store_file_unix_basic: st_mode=%o\n",(int)psbuf->st_mode));
@@ -3031,6 +3014,116 @@ static char *store_file_unix_basic(connection_struct *conn,
return pdata;
}
+/* Forward and reverse mappings from the UNIX_INFO2 file flags field and
+ * the chflags(2) (or equivalent) flags.
+ *
+ * XXX: this really should be behind the VFS interface. To do this, we would
+ * need to alter SMB_STRUCT_STAT so that it included a flags and a mask field.
+ * Each VFS module could then implement it's own mapping as appropriate for the
+ * platform. We would then pass the SMB flags into SMB_VFS_CHFLAGS.
+ */
+static const struct {unsigned stat_fflag; unsigned smb_fflag;}
+ info2_flags_map[] =
+{
+#ifdef UF_NODUMP
+ { UF_NODUMP, EXT_DO_NOT_BACKUP },
+#endif
+
+#ifdef UF_IMMUTABLE
+ { UF_IMMUTABLE, EXT_IMMUTABLE },
+#endif
+
+#ifdef UF_APPEND
+ { UF_APPEND, EXT_OPEN_APPEND_ONLY },
+#endif
+
+#ifdef UF_HIDDEN
+ { UF_HIDDEN, EXT_HIDDEN }
+#endif
+
+};
+
+static void map_info2_flags_from_sbuf(const SMB_STRUCT_STAT *psbuf,
+ uint32 *smb_fflags, uint32 *smb_fmask)
+{
+#ifdef HAVE_STAT_ST_FLAGS
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
+ *smb_fmask |= info2_flags_map[i].smb_fflag;
+ if (psbuf->st_flags & info2_flags_map[i].stat_fflag) {
+ *smb_fflags |= info2_flags_map[i].smb_fflag;
+ }
+ }
+#endif /* HAVE_STAT_ST_FLAGS */
+}
+
+static BOOL map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
+ const uint32 smb_fflags,
+ const uint32 smb_fmask,
+ int *stat_fflags)
+{
+#ifdef HAVE_STAT_ST_FLAGS
+ uint32 max_fmask;
+ int i;
+
+ *stat_fflags = psbuf->st_flags;
+
+ /* For each flags requested in smb_fmask, check the state of the
+ * corresponding flag in smb_fflags and set or clear the matching
+ * stat flag.
+ */
+
+ for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
+ max_fmask |= info2_flags_map[i].smb_fflag;
+ if (smb_fmask & info2_flags_map[i].smb_fflag) {
+ if (smb_fflags & info2_flags_map[i].smb_fflag) {
+ *stat_fflags |= info2_flags_map[i].stat_fflag;
+ } else {
+ *stat_fflags &= ~info2_flags_map[i].stat_fflag;
+ }
+ }
+ }
+
+ /* If smb_fmask is asking to set any bits that are not supported by
+ * our flag mappings, we should fail.
+ */
+ if ((smb_fmask & max_fmask) != smb_fmask) {
+ return False;
+ }
+
+ return True;
+#else
+ return False;
+#endif /* HAVE_STAT_ST_FLAGS */
+}
+
+
+/* Just like SMB_QUERY_FILE_UNIX_BASIC, but with the addition
+ * of file flags and birth (create) time.
+ */
+static char *store_file_unix_basic_info2(connection_struct *conn,
+ char *pdata,
+ files_struct *fsp,
+ const SMB_STRUCT_STAT *psbuf)
+{
+ uint32 file_flags = 0;
+ uint32 flags_mask = 0;
+
+ pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
+
+ /* Create (birth) time 64 bit */
+ put_long_date_timespec(pdata, get_create_timespec(psbuf, False));
+ pdata += 8;
+
+ map_info2_flags_from_sbuf(psbuf, &file_flags, &flags_mask);
+ SIVAL(pdata, 0, file_flags); /* flags */
+ SIVAL(pdata, 4, flags_mask); /* mask */
+ pdata += 8;
+
+ return pdata;
+}
+
/****************************************************************************
Reply to a TRANS2_QFILEPATHINFO or TRANSACT2_QFILEINFO (query file info by
file name or file id).
@@ -3081,6 +3174,10 @@ static int call_trans2qfilepathinfo(connection_struct *conn, char *inbuf, char *
DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QFILEINFO: level = %d\n", info_level));
+ if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
+ return ERROR_NT(NT_STATUS_INVALID_LEVEL);
+ }
+
if(fsp && (fsp->fake_file_handle)) {
/*
* This is actually for the QUOTA_FAKE_FILE --metze
@@ -3137,6 +3234,10 @@ static int call_trans2qfilepathinfo(connection_struct *conn, char *inbuf, char *
DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = %d\n", info_level));
+ if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
+ return ERROR_NT(NT_STATUS_INVALID_LEVEL);
+ }
+
srvstr_get_path(inbuf, fname, &params[6], sizeof(fname), total_params - 6, STR_TERMINATE, &status);
if (!NT_STATUS_IS_OK(status)) {
return ERROR_NT(status);
@@ -3650,6 +3751,22 @@ total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pd
break;
+ case SMB_QUERY_FILE_UNIX_INFO2:
+
+ pdata = store_file_unix_basic_info2(conn, pdata, fsp, &sbuf);
+ data_size = PTR_DIFF(pdata,(*ppdata));
+
+ {
+ int i;
+ DEBUG(4,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_INFO2 "));
+
+ for (i=0; i<100; i++)
+ DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
+ DEBUG(4,("\n"));
+ }
+
+ break;
+
case SMB_QUERY_FILE_UNIX_LINK:
{
pstring buffer;
@@ -5028,6 +5145,67 @@ size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
}
/****************************************************************************
+ Deal with SMB_SET_FILE_UNIX_INFO2.
+****************************************************************************/
+
+static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
+ const char *pdata,
+ int total_data,
+ files_struct *fsp,
+ const char *fname,
+ SMB_STRUCT_STAT *psbuf)
+{
+ NTSTATUS status;
+ uint32 smb_fflags;
+ uint32 smb_fmask;
+
+ if (total_data < 116) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /* Start by setting all the fields that are common between UNIX_BASIC
+ * and UNIX_INFO2.
+ */
+ status = smb_set_file_unix_basic(conn, pdata, total_data,
+ fsp, fname, psbuf);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ smb_fflags = IVAL(pdata, 108);
+ smb_fmask = IVAL(pdata, 112);
+
+ /* NB: We should only attempt to alter the file flags if the client
+ * sends a non-zero mask.
+ */
+ if (smb_fmask != 0) {
+ int stat_fflags = 0;
+
+ if (!map_info2_flags_to_sbuf(psbuf, smb_fflags, smb_fmask,
+ &stat_fflags)) {
+ /* Client asked to alter a flag we don't understand. */
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (fsp && fsp->fh->fd != -1) {
+ /* XXX: we should be using SMB_VFS_FCHFLAGS here. */
+ return NT_STATUS_NOT_SUPPORTED;
+ } else {
+ if (SMB_VFS_CHFLAGS(conn, fname, stat_fflags) != 0) {
+ return map_nt_error_from_unix(errno);
+ }
+ }
+ }
+
+ /* XXX: need to add support for changing the create_time here. You
+ * can do this for paths on Darwin with setattrlist(2). The right way
+ * to hook this up is probably by extending the VFS utimes interface.
+ */
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************************
Create a directory with POSIX semantics.
****************************************************************************/
@@ -5094,11 +5272,16 @@ static NTSTATUS smb_posix_mkdir(connection_struct *conn,
SSVAL(pdata,0,NO_OPLOCK_RETURN);
SSVAL(pdata,2,0);
- if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
+ switch (info_level_return) {
+ case SMB_QUERY_FILE_UNIX_BASIC:
SSVAL(pdata,4,SMB_QUERY_FILE_UNIX_BASIC);
SSVAL(pdata,6,0); /* Padding. */
store_file_unix_basic(conn, pdata + 8, fsp, psbuf);
- } else {
+ case SMB_QUERY_FILE_UNIX_INFO2:
+ SSVAL(pdata,4,SMB_QUERY_FILE_UNIX_INFO2);
+ SSVAL(pdata,6,0); /* Padding. */
+ store_file_unix_basic_info2(conn, pdata + 8, fsp, psbuf);
+ default:
SSVAL(pdata,4,SMB_NO_INFO_LEVEL_RETURNED);
SSVAL(pdata,6,0); /* Padding. */
}
@@ -5265,11 +5448,16 @@ static NTSTATUS smb_posix_open(connection_struct *conn,
}
SSVAL(pdata,2,fsp->fnum);
- if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
+ switch (info_level_return) {
+ case SMB_QUERY_FILE_UNIX_BASIC:
SSVAL(pdata,4,SMB_QUERY_FILE_UNIX_BASIC);
SSVAL(pdata,6,0); /* padding. */
store_file_unix_basic(conn, pdata + 8, fsp, psbuf);
- } else {
+ case SMB_QUERY_FILE_UNIX_INFO2:
+ SSVAL(pdata,4,SMB_QUERY_FILE_UNIX_INFO2);
+ SSVAL(pdata,6,0); /* padding. */
+ store_file_unix_basic_info2(conn, pdata + 8, fsp, psbuf);
+ default:
SSVAL(pdata,4,SMB_NO_INFO_LEVEL_RETURNED);
SSVAL(pdata,6,0); /* padding. */
}
@@ -5607,6 +5795,17 @@ static int call_trans2setfilepathinfo(connection_struct *conn, char *inbuf, char
break;
}
+ case SMB_SET_FILE_UNIX_INFO2:
+ {
+ status = smb_set_file_unix_info2(conn,
+ pdata,
+ total_data,
+ fsp,
+ fname,
+ &sbuf);
+ break;
+ }
+
case SMB_SET_FILE_UNIX_LINK:
{
if (tran_call != TRANSACT2_SETPATHINFO) {
generated by cgit (git 2.34.1) at 2024-12-20 07:55:40 +0000