libcli/smb: add SMB_BUFFER_SIZE_MIN/MAX defines

[sfrench/samba-autobuild/.git] / libcli / smb / smb_constants.h

diff --git a/libcli/smb/smb_constants.h b/libcli/smb/smb_constants.h
index 4b24be07d197d9ae0106e5c1e8c8485eb7d08448..4190e640ef6b23bd66688dfbf181d0dca9c9c84d 100644 (file)
--- a/libcli/smb/smb_constants.h
+++ b/libcli/smb/smb_constants.h
@@ -209,6 +209,14 @@ enum smb_signing_setting {
 #define NEGOTIATE_SECURITY_SIGNATURES_ENABLED  0x04
 #define NEGOTIATE_SECURITY_SIGNATURES_REQUIRED 0x08
 
+/*
+ * The negotiated buffer size for non LARGE_READX/WRITEX
+ * should be limited to uint16_t and has to be at least
+ * 500, which is the default for MinClientBufferSize on Windows.
+ */
+#define SMB_BUFFER_SIZE_MIN 500
+#define SMB_BUFFER_SIZE_MAX 65535
+
 /* Capabilities.  see ftp.microsoft.com/developr/drg/cifs/cifs/cifs4.txt */
 
 #define CAP_RAW_MODE           0x00000001