1 files changed, 70 insertions, 0 deletions
diff --git a/src/libgit2/transports/auth.h b/src/libgit2/transports/auth.h
new file mode 100644
index 000000000..824d7198c
--- /dev/null
+++ b/src/libgit2/transports/auth.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#ifndef INCLUDE_transports_auth_h__
+#define INCLUDE_transports_auth_h__
+
+#include "common.h"
+
+#include "netops.h"
+
+typedef enum {
+	GIT_HTTP_AUTH_BASIC = 1,
+	GIT_HTTP_AUTH_NEGOTIATE = 2,
+	GIT_HTTP_AUTH_NTLM = 4,
+} git_http_auth_t;
+
+typedef struct git_http_auth_context git_http_auth_context;
+
+struct git_http_auth_context {
+	/** Type of scheme */
+	git_http_auth_t type;
+
+	/** Supported credentials */
+	git_credential_t credtypes;
+
+	/** Connection affinity or request affinity */
+	unsigned connection_affinity : 1;
+
+	/** Sets the challenge on the authentication context */
+	int (*set_challenge)(git_http_auth_context *ctx, const char *challenge);
+
+	/** Gets the next authentication token from the context */
+	int (*next_token)(git_str *out, git_http_auth_context *ctx, git_credential *cred);
+
+	/** Examines if all tokens have been presented. */
+	int (*is_complete)(git_http_auth_context *ctx);
+
+	/** Frees the authentication context */
+	void (*free)(git_http_auth_context *ctx);
+};
+
+typedef struct {
+	/** Type of scheme */
+	git_http_auth_t type;
+
+	/** Name of the scheme (as used in the Authorization header) */
+	const char *name;
+
+	/** Credential types this scheme supports */
+	git_credential_t credtypes;
+
+	/** Function to initialize an authentication context */
+	int (*init_context)(
+		git_http_auth_context **out,
+		const git_net_url *url);
+} git_http_auth_scheme;
+
+int git_http_auth_dummy(
+	git_http_auth_context **out,
+	const git_net_url *url);
+
+int git_http_auth_basic(
+	git_http_auth_context **out,
+	const git_net_url *url);
+
+#endif