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-rw-r--r--src/H5Oattr.c148
1 files changed, 78 insertions, 70 deletions
diff --git a/src/H5Oattr.c b/src/H5Oattr.c
index 573bb7a..8b02724 100644
--- a/src/H5Oattr.c
+++ b/src/H5Oattr.c
@@ -24,43 +24,43 @@
#include "H5Spkg.h" /* Dataspaces */
/* PRIVATE PROTOTYPES */
-static herr_t H5O_attr_encode(H5F_t *f, uint8_t *p, const void *mesg);
-static void *H5O_attr_decode(H5F_t *f, H5O_t *open_oh,
+static herr_t H5O__attr_encode(H5F_t *f, uint8_t *p, const void *mesg);
+static void *H5O__attr_decode(H5F_t *f, H5O_t *open_oh,
unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p);
-static void *H5O_attr_copy(const void *_mesg, void *_dest);
-static size_t H5O_attr_size(const H5F_t *f, const void *_mesg);
+static void *H5O__attr_copy(const void *_mesg, void *_dest);
+static size_t H5O__attr_size(const H5F_t *f, const void *_mesg);
static herr_t H5O__attr_free(void *mesg);
-static herr_t H5O_attr_pre_copy_file(H5F_t *file_src, const void *mesg_src,
+static herr_t H5O__attr_pre_copy_file(H5F_t *file_src, const void *mesg_src,
hbool_t *deleted, const H5O_copy_t *cpy_info, void *udata);
static void *H5O__attr_copy_file(H5F_t *file_src, const H5O_msg_class_t *mesg_type,
void *native_src, H5F_t *file_dst, hbool_t *recompute_size,
H5O_copy_t *cpy_info, void *udata);
static herr_t H5O__attr_post_copy_file(const H5O_loc_t *src_oloc,
- const void *mesg_src, H5O_loc_t *dst_oloc, void *mesg_dst,
+ const void *mesg_src, H5O_loc_t *dst_oloc, void *mesg_dst,
H5O_copy_t *cpy_info);
-static herr_t H5O_attr_get_crt_index(const void *_mesg, H5O_msg_crt_idx_t *crt_idx);
-static herr_t H5O_attr_set_crt_index(void *_mesg, H5O_msg_crt_idx_t crt_idx);
+static herr_t H5O__attr_get_crt_index(const void *_mesg, H5O_msg_crt_idx_t *crt_idx);
+static herr_t H5O__attr_set_crt_index(void *_mesg, H5O_msg_crt_idx_t crt_idx);
static herr_t H5O__attr_debug(H5F_t *f, const void *_mesg, FILE * stream,
int indent, int fwidth);
/* Set up & include shared message "interface" info */
#define H5O_SHARED_TYPE H5O_MSG_ATTR
-#define H5O_SHARED_DECODE H5O_attr_shared_decode
-#define H5O_SHARED_DECODE_REAL H5O_attr_decode
-#define H5O_SHARED_ENCODE H5O_attr_shared_encode
-#define H5O_SHARED_ENCODE_REAL H5O_attr_encode
-#define H5O_SHARED_SIZE H5O_attr_shared_size
-#define H5O_SHARED_SIZE_REAL H5O_attr_size
+#define H5O_SHARED_DECODE H5O__attr_shared_decode
+#define H5O_SHARED_DECODE_REAL H5O__attr_decode
+#define H5O_SHARED_ENCODE H5O__attr_shared_encode
+#define H5O_SHARED_ENCODE_REAL H5O__attr_encode
+#define H5O_SHARED_SIZE H5O__attr_shared_size
+#define H5O_SHARED_SIZE_REAL H5O__attr_size
#define H5O_SHARED_DELETE H5O__attr_shared_delete
#define H5O_SHARED_DELETE_REAL H5O__attr_delete
#define H5O_SHARED_LINK H5O__attr_shared_link
#define H5O_SHARED_LINK_REAL H5O__attr_link
#define H5O_SHARED_COPY_FILE H5O__attr_shared_copy_file
#define H5O_SHARED_COPY_FILE_REAL H5O__attr_copy_file
-#define H5O_SHARED_POST_COPY_FILE H5O_attr_shared_post_copy_file
+#define H5O_SHARED_POST_COPY_FILE H5O__attr_shared_post_copy_file
#define H5O_SHARED_POST_COPY_FILE_REAL H5O__attr_post_copy_file
#undef H5O_SHARED_POST_COPY_FILE_UPD
-#define H5O_SHARED_DEBUG H5O_attr_shared_debug
+#define H5O_SHARED_DEBUG H5O__attr_shared_debug
#define H5O_SHARED_DEBUG_REAL H5O__attr_debug
#include "H5Oshared.h" /* Shared Object Header Message Callbacks */
@@ -70,22 +70,22 @@ const H5O_msg_class_t H5O_MSG_ATTR[1] = {{
"attribute", /* message name for debugging */
sizeof(H5A_t), /* native message size */
H5O_SHARE_IS_SHARABLE, /* messages are sharable? */
- H5O_attr_shared_decode, /* decode message */
- H5O_attr_shared_encode, /* encode message */
- H5O_attr_copy, /* copy the native value */
- H5O_attr_shared_size, /* size of raw message */
+ H5O__attr_shared_decode, /* decode message */
+ H5O__attr_shared_encode, /* encode message */
+ H5O__attr_copy, /* copy the native value */
+ H5O__attr_shared_size, /* size of raw message */
H5O__attr_reset, /* reset method */
H5O__attr_free, /* free method */
H5O__attr_shared_delete, /* file delete method */
H5O__attr_shared_link, /* link method */
NULL, /* set share method */
NULL, /* can share method */
- H5O_attr_pre_copy_file, /* pre copy native value to file */
+ H5O__attr_pre_copy_file, /* pre copy native value to file */
H5O__attr_shared_copy_file, /* copy native value to file */
- H5O_attr_shared_post_copy_file, /* post copy native value to file */
- H5O_attr_get_crt_index, /* get creation index */
- H5O_attr_set_crt_index, /* set creation index */
- H5O_attr_shared_debug /* debug the message */
+ H5O__attr_shared_post_copy_file, /* post copy native value to file */
+ H5O__attr_get_crt_index, /* get creation index */
+ H5O__attr_set_crt_index, /* set creation index */
+ H5O__attr_shared_debug /* debug the message */
}};
/* Flags for attribute flag encoding */
@@ -102,14 +102,17 @@ H5FL_EXTERN(H5S_extent_t);
/*--------------------------------------------------------------------------
NAME
- H5O_attr_decode
+ H5O__attr_decode
PURPOSE
Decode a attribute message and return a pointer to a memory struct
with the decoded information
USAGE
- void *H5O_attr_decode(f, mesg_flags, p)
- H5F_t *f; IN: pointer to the HDF5 file struct
- unsigned mesg_flags; IN: Message flags to influence decoding
+ void *H5O__attr_decode(f, mesg_flags, p)
+ H5F_t *f; IN: pointer to the HDF5 file struct
+ H5O_t *open_oh; IN: pointer to the object header
+ unsigned mesg_flags; IN: message flags to influence decoding
+ unsigned *ioflags; IN/OUT: flags for decoding
+ size_t p_size; IN: size of buffer *p
const uint8_t *p; IN: the raw information buffer
RETURNS
Pointer to the new message in native order on success, NULL on failure
@@ -119,26 +122,26 @@ H5FL_EXTERN(H5S_extent_t);
function using malloc() and is returned to the caller.
--------------------------------------------------------------------------*/
static void *
-H5O_attr_decode(H5F_t *f, H5O_t *open_oh, unsigned H5_ATTR_UNUSED mesg_flags,
- unsigned *ioflags, size_t H5_ATTR_UNUSED p_size, const uint8_t *p)
+H5O__attr_decode(H5F_t *f, H5O_t *open_oh, unsigned H5_ATTR_UNUSED mesg_flags,
+ unsigned *ioflags, size_t p_size, const uint8_t *p)
{
- H5A_t *attr = NULL;
- H5S_extent_t *extent; /*extent dimensionality information */
- size_t name_len; /*attribute name length */
- size_t dt_size; /* Datatype size */
- hssize_t sds_size; /* Signed Dataspace size */
- hsize_t ds_size; /* Dataspace size */
- unsigned flags = 0; /* Attribute flags */
- H5A_t *ret_value = NULL; /* Return value */
+ H5A_t *attr = NULL;
+ H5S_extent_t *extent; /*extent dimensionality information */
+ size_t name_len; /*attribute name length */
+ size_t dt_size; /* Datatype size */
+ hssize_t sds_size; /* Signed Dataspace size */
+ hsize_t ds_size; /* Dataspace size */
+ unsigned flags = 0; /* Attribute flags */
+ H5A_t *ret_value = NULL; /* Return value */
- FUNC_ENTER_NOAPI_NOINIT
+ FUNC_ENTER_STATIC
/* check args */
HDassert(f);
HDassert(p);
if(NULL == (attr = H5FL_CALLOC(H5A_t)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
if(NULL == (attr->shared = H5FL_CALLOC(H5A_shared_t)))
HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, NULL, "can't allocate shared attr structure")
@@ -146,7 +149,7 @@ H5O_attr_decode(H5F_t *f, H5O_t *open_oh, unsigned H5_ATTR_UNUSED mesg_flags,
/* Version number */
attr->shared->version = *p++;
if(attr->shared->version < H5O_ATTR_VERSION_1 || attr->shared->version > H5O_ATTR_VERSION_LATEST)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTLOAD, NULL, "bad version number for attribute message")
+ HGOTO_ERROR(H5E_ATTR, H5E_CANTLOAD, NULL, "bad version number for attribute message")
/* Get the flags byte if we have a later version of the attribute */
if(attr->shared->version >= H5O_ATTR_VERSION_2) {
@@ -238,6 +241,11 @@ H5O_attr_decode(H5F_t *f, H5O_t *open_oh, unsigned H5_ATTR_UNUSED mesg_flags,
/* Go get the data */
if(attr->shared->data_size) {
+ /* Ensure that data size doesn't exceed buffer size, in case of
+ it's being corrupted in the file */
+ if(attr->shared->data_size > p_size)
+ HGOTO_ERROR(H5E_RESOURCE, H5E_OVERFLOW, NULL, "data size exceeds buffer size")
+
if(NULL == (attr->shared->data = H5FL_BLK_MALLOC(attr_buf, attr->shared->data_size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
H5MM_memcpy(attr->shared->data, p, attr->shared->data_size);
@@ -262,16 +270,16 @@ done:
} /* end if */
FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_decode() */
+} /* end H5O__attr_decode() */
/*--------------------------------------------------------------------------
NAME
- H5O_attr_encode
+ H5O__attr_encode
PURPOSE
Encode a simple attribute message
USAGE
- herr_t H5O_attr_encode(f, p, mesg)
+ herr_t H5O__attr_encode(f, p, mesg)
H5F_t *f; IN: pointer to the HDF5 file struct
const uint8 *p; IN: the raw information buffer
const void *mesg; IN: Pointer to the simple datatype struct
@@ -282,7 +290,7 @@ done:
message in the "raw" disk form.
--------------------------------------------------------------------------*/
static herr_t
-H5O_attr_encode(H5F_t *f, uint8_t *p, const void *mesg)
+H5O__attr_encode(H5F_t *f, uint8_t *p, const void *mesg)
{
const H5A_t *attr = (const H5A_t *) mesg;
size_t name_len; /* Attribute name length */
@@ -291,7 +299,7 @@ H5O_attr_encode(H5F_t *f, uint8_t *p, const void *mesg)
unsigned flags = 0; /* Attribute flags */
herr_t ret_value = SUCCEED; /* Return value */
- FUNC_ENTER_NOAPI_NOINIT
+ FUNC_ENTER_STATIC
/* check args */
HDassert(f);
@@ -371,16 +379,16 @@ H5O_attr_encode(H5F_t *f, uint8_t *p, const void *mesg)
done:
FUNC_LEAVE_NOAPI(ret_value);
-} /* end H5O_attr_encode() */
+} /* end H5O__attr_encode() */
/*--------------------------------------------------------------------------
NAME
- H5O_attr_copy
+ H5O__attr_copy
PURPOSE
Copies a message from MESG to DEST, allocating DEST if necessary.
USAGE
- void *H5O_attr_copy(mesg, dest)
+ void *H5O__attr_copy(mesg, dest)
const void *mesg; IN: Pointer to the source attribute struct
const void *dest; IN: Pointer to the destination attribute struct
RETURNS
@@ -390,11 +398,11 @@ done:
allocating the destination structure if necessary.
--------------------------------------------------------------------------*/
static void *
-H5O_attr_copy(const void *_src, void *_dst)
+H5O__attr_copy(const void *_src, void *_dst)
{
void *ret_value = NULL; /* Return value */
- FUNC_ENTER_NOAPI_NOINIT
+ FUNC_ENTER_STATIC
/* check args */
HDassert(_src);
@@ -405,16 +413,16 @@ H5O_attr_copy(const void *_src, void *_dst)
done:
FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_copy() */
+} /* end H5O__attr_copy() */
/*--------------------------------------------------------------------------
NAME
- H5O_attr_size
+ H5O__attr_size
PURPOSE
Return the raw message size in bytes
USAGE
- size_t H5O_attr_size(f, mesg)
+ size_t H5O__attr_size(f, mesg)
H5F_t *f; IN: pointer to the HDF5 file struct
const void *mesg; IN: Pointer to the source attribute struct
RETURNS
@@ -425,13 +433,13 @@ done:
portion of the message). It doesn't take into account alignment.
--------------------------------------------------------------------------*/
static size_t
-H5O_attr_size(const H5F_t H5_ATTR_UNUSED *f, const void *_mesg)
+H5O__attr_size(const H5F_t H5_ATTR_UNUSED *f, const void *_mesg)
{
const H5A_t *attr = (const H5A_t *)_mesg;
size_t name_len;
size_t ret_value = 0;
- FUNC_ENTER_NOAPI_NOINIT_NOERR
+ FUNC_ENTER_STATIC_NOERR
HDassert(attr);
@@ -466,7 +474,7 @@ H5O_attr_size(const H5F_t H5_ATTR_UNUSED *f, const void *_mesg)
HDassert(0 && "Bad attribute version");
FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_size() */
+} /* end H5O__attr_size() */
/*-------------------------------------------------------------------------
@@ -600,7 +608,7 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5O_attr_pre_copy_file
+ * Function: H5O__attr_pre_copy_file
*
* Purpose: Perform any necessary actions before copying message between
* files for attribute messages.
@@ -613,13 +621,13 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5O_attr_pre_copy_file(H5F_t H5_ATTR_UNUSED *file_src, const void *native_src,
+H5O__attr_pre_copy_file(H5F_t H5_ATTR_UNUSED *file_src, const void *native_src,
hbool_t *deleted, const H5O_copy_t *cpy_info, void H5_ATTR_UNUSED *udata)
{
const H5A_t *attr_src = (const H5A_t *)native_src; /* Source attribute */
herr_t ret_value = SUCCEED; /* Return value */
- FUNC_ENTER_NOAPI_NOINIT
+ FUNC_ENTER_STATIC
/* check args */
HDassert(deleted);
@@ -640,7 +648,7 @@ H5O_attr_pre_copy_file(H5F_t H5_ATTR_UNUSED *file_src, const void *native_src,
done:
FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_pre_copy_file() */
+} /* end H5O__attr_pre_copy_file() */
/*-------------------------------------------------------------------------
@@ -718,7 +726,7 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5O_attr_get_crt_index
+ * Function: H5O__attr_get_crt_index
*
* Purpose: Get creation index from the message
*
@@ -730,11 +738,11 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5O_attr_get_crt_index(const void *_mesg, H5O_msg_crt_idx_t *crt_idx /*out*/)
+H5O__attr_get_crt_index(const void *_mesg, H5O_msg_crt_idx_t *crt_idx /*out*/)
{
const H5A_t *attr = (const H5A_t *)_mesg;
- FUNC_ENTER_NOAPI_NOINIT_NOERR
+ FUNC_ENTER_STATIC_NOERR
HDassert(attr);
HDassert(crt_idx);
@@ -743,11 +751,11 @@ H5O_attr_get_crt_index(const void *_mesg, H5O_msg_crt_idx_t *crt_idx /*out*/)
*crt_idx = attr->shared->crt_idx;
FUNC_LEAVE_NOAPI(SUCCEED)
-} /* end H5O_attr_get_crt_index() */
+} /* end H5O__attr_get_crt_index() */
/*-------------------------------------------------------------------------
- * Function: H5O_attr_set_crt_index
+ * Function: H5O__attr_set_crt_index
*
* Purpose: Set creation index from the message
*
@@ -759,11 +767,11 @@ H5O_attr_get_crt_index(const void *_mesg, H5O_msg_crt_idx_t *crt_idx /*out*/)
*-------------------------------------------------------------------------
*/
static herr_t
-H5O_attr_set_crt_index(void *_mesg, H5O_msg_crt_idx_t crt_idx)
+H5O__attr_set_crt_index(void *_mesg, H5O_msg_crt_idx_t crt_idx)
{
H5A_t *attr = (H5A_t *)_mesg;
- FUNC_ENTER_NOAPI_NOINIT_NOERR
+ FUNC_ENTER_STATIC_NOERR
HDassert(attr);
@@ -771,7 +779,7 @@ H5O_attr_set_crt_index(void *_mesg, H5O_msg_crt_idx_t crt_idx)
attr->shared->crt_idx = crt_idx;
FUNC_LEAVE_NOAPI(SUCCEED)
-} /* end H5O_attr_set_crt_index() */
+} /* end H5O__attr_set_crt_index() */
/*--------------------------------------------------------------------------