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-rw-r--r--source3/rpc_parse/parse_misc.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/source3/rpc_parse/parse_misc.c b/source3/rpc_parse/parse_misc.c
index 7a07ef5e7b..6838547090 100644
--- a/source3/rpc_parse/parse_misc.c
+++ b/source3/rpc_parse/parse_misc.c
@@ -483,12 +483,17 @@ BOOL smb_io_unistr(const char *desc, UNISTR *uni, prs_struct *ps, int depth)
Allocate the RPC_DATA_BLOB memory.
********************************************************************/
-size_t create_rpc_blob(RPC_DATA_BLOB *str, size_t len)
+static void create_rpc_blob(RPC_DATA_BLOB *str, size_t len)
{
- str->buffer = (uint8 *)TALLOC_ZERO(get_talloc_ctx(), len);
- if (str->buffer == NULL)
- smb_panic("create_rpc_blob: talloc fail\n");
- return len;
+ if (len) {
+ str->buffer = (uint8 *)TALLOC_ZERO(get_talloc_ctx(), len);
+ if (str->buffer == NULL)
+ smb_panic("create_rpc_blob: talloc fail\n");
+ str->buf_len = len;
+ } else {
+ str->buffer = NULL;
+ str->buf_len = 0;
+ }
}
/*******************************************************************
@@ -500,7 +505,7 @@ void init_rpc_blob_uint32(RPC_DATA_BLOB *str, uint32 val)
ZERO_STRUCTP(str);
/* set up string lengths. */
- str->buf_len = create_rpc_blob(str, sizeof(uint32));
+ create_rpc_blob(str, sizeof(uint32));
SIVAL(str->buffer, 0, val);
}
@@ -513,9 +518,10 @@ void init_rpc_blob_str(RPC_DATA_BLOB *str, const char *buf, int len)
ZERO_STRUCTP(str);
/* set up string lengths. */
- str->buf_len = create_rpc_blob(str, len*2);
- rpcstr_push(str->buffer, buf, (size_t)str->buf_len, STR_TERMINATE);
-
+ if (len) {
+ create_rpc_blob(str, len*2);
+ rpcstr_push(str->buffer, buf, (size_t)str->buf_len, STR_TERMINATE);
+ }
}
/*******************************************************************
@@ -525,8 +531,10 @@ void init_rpc_blob_str(RPC_DATA_BLOB *str, const char *buf, int len)
void init_rpc_blob_hex(RPC_DATA_BLOB *str, const char *buf)
{
ZERO_STRUCTP(str);
- str->buf_len = create_rpc_blob(str, strlen(buf));
- str->buf_len = strhex_to_str((char *)str->buffer, str->buf_len, buf);
+ if (buf && *buf) {
+ create_rpc_blob(str, strlen(buf));
+ str->buf_len = strhex_to_str((char *)str->buffer, str->buf_len, buf);
+ }
}
/*******************************************************************
@@ -538,8 +546,8 @@ void init_rpc_blob_bytes(RPC_DATA_BLOB *str, uint8 *buf, size_t len)
ZERO_STRUCTP(str);
/* max buffer size (allocated size) */
- if (buf != NULL) {
- len = create_rpc_blob(str, len);
+ if (buf != NULL && len) {
+ create_rpc_blob(str, len);
memcpy(str->buffer, buf, len);
}
str->buf_len = len;