Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / chap.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/chap.h b/qemu/roms/ipxe/src/include/ipxe/chap.h
new file mode 100644 (file)
index 0000000..fce48f3
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/chap.h
@@ -0,0 +1,53 @@
+#ifndef _IPXE_CHAP_H
+#define _IPXE_CHAP_H
+
+/** @file
+ *
+ * CHAP protocol
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/md5.h>
+
+struct digest_algorithm;
+
+/** A CHAP response */
+struct chap_response {
+       /** Digest algorithm used for the response */
+       struct digest_algorithm *digest;
+       /** Context used by the digest algorithm */
+       uint8_t *digest_context;
+       /** CHAP response */
+       uint8_t *response;
+       /** Length of CHAP response */
+       size_t response_len;
+};
+
+extern int chap_init ( struct chap_response *chap,
+                      struct digest_algorithm *digest );
+extern void chap_update ( struct chap_response *chap, const void *data,
+                         size_t len );
+extern void chap_respond ( struct chap_response *chap );
+extern void chap_finish ( struct chap_response *chap );
+
+/**
+ * Add identifier data to the CHAP challenge
+ *
+ * @v chap             CHAP response
+ * @v identifier       CHAP identifier
+ *
+ * The CHAP identifier is the first byte of the CHAP challenge.  This
+ * function is a notational convenience for calling chap_update() for
+ * the identifier byte.
+ */
+static inline void chap_set_identifier ( struct chap_response *chap,
+                                        unsigned int identifier ) {
+       uint8_t ident_byte = identifier;
+
+       chap_update ( chap, &ident_byte, sizeof ( ident_byte ) );
+}
+
+#endif /* _IPXE_CHAP_H */