updated SMB2 code for getinfo according to WSPP docs

- Updated getinfo structures and field names
- also updated the protocol revision number handling to reflect
  new docs
(This used to be commit 3aaa2e86d94675c6c68d66d75292c3e34bfbc81b)

1 files changed, 27 insertions, 0 deletions

diff --git a/source4/libcli/smb2/request.c b/source4/libcli/smb2/request.c
index 35229dc45f..7a0311f886 100644
--- a/source4/libcli/smb2/request.c
+++ b/source4/libcli/smb2/request.c
@@ -549,6 +549,33 @@ NTSTATUS smb2_pull_o32s32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_
 }
 
 /*
+  pull a uint16_t ofs/ uint32_t length/blob triple from a data blob
+  the ptr points to the start of the offset/length pair
+  
+  In this varient the uint16_t is padded by an extra 2 bytes, making
+  the size aligned on 4 byte boundary
+*/
+NTSTATUS smb2_pull_o16As32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_ctx, uint8_t *ptr, DATA_BLOB *blob)
+{
+	uint32_t ofs, size;
+	if (smb2_oob(buf, ptr, 8)) {
+		return NT_STATUS_BUFFER_TOO_SMALL;
+	}
+	ofs  = SVAL(ptr, 0);
+	size = IVAL(ptr, 4);
+	if (ofs == 0 || size == 0) {
+		*blob = data_blob(NULL, 0);
+		return NT_STATUS_OK;
+	}
+	if (smb2_oob(buf, buf->hdr + ofs, size)) {
+		return NT_STATUS_BUFFER_TOO_SMALL;
+	}
+	*blob = data_blob_talloc(mem_ctx, buf->hdr + ofs, size);
+	NT_STATUS_HAVE_NO_MEMORY(blob->data);
+	return NT_STATUS_OK;
+}
+
+/*
   pull a uint32_t length/ uint32_t ofs/blob triple from a data blob
   the ptr points to the start of the offset/length pair
 */