auth.h 1.71 KB
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/*
 * 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.
 */

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#ifndef INCLUDE_transports_auth_h__
#define INCLUDE_transports_auth_h__
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#include "common.h"

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#include "netops.h"

typedef enum {
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	GIT_HTTP_AUTH_BASIC = 1,
	GIT_HTTP_AUTH_NEGOTIATE = 2,
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	GIT_HTTP_AUTH_NTLM = 4
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} git_http_auth_t;
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typedef struct git_http_auth_context git_http_auth_context;

struct git_http_auth_context {
	/** Type of scheme */
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	git_http_auth_t type;
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	/** Supported credentials */
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	git_credential_t credtypes;
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	/** Connection affinity or request affinity */
	unsigned connection_affinity : 1;
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	/** 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 */
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	int (*next_token)(git_str *out, git_http_auth_context *ctx, git_credential *cred);
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	/** Examines if all tokens have been presented. */
	int (*is_complete)(git_http_auth_context *ctx);

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	/** Frees the authentication context */
	void (*free)(git_http_auth_context *ctx);
};

typedef struct {
	/** Type of scheme */
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	git_http_auth_t type;
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	/** Name of the scheme (as used in the Authorization header) */
	const char *name;

	/** Credential types this scheme supports */
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	git_credential_t credtypes;
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	/** Function to initialize an authentication context */
	int (*init_context)(
		git_http_auth_context **out,
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		const git_net_url *url);
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} git_http_auth_scheme;

int git_http_auth_dummy(
	git_http_auth_context **out,
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	const git_net_url *url);
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int git_http_auth_basic(
	git_http_auth_context **out,
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	const git_net_url *url);
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#endif