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diff --git a/res/stasis_http/internal.h b/res/stasis_http/internal.h
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+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2013, Digium, Inc.
+ *
+ * David M. Lee, II <dlee@digium.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+#ifndef STASIS_HTTP_INTERNAL_H_
+#define STASIS_HTTP_INTERNAL_H_
+
+/*! \file
+ *
+ * \brief Internal API's for res_stasis_http.
+ * \author David M. Lee, II <dlee@digium.com>
+ */
+
+#include "asterisk/json.h"
+
+/*! @{ */
+
+/*!
+ * \brief Register CLI commands for ARI.
+ *
+ * \return 0 on success.
+ * \return Non-zero on error.
+ */
+int ari_cli_register(void);
+
+/*!
+ * \brief Unregister CLI commands for ARI.
+ */
+void ari_cli_unregister(void);
+
+/*! @} */
+
+/*! @{ */
+
+struct ari_conf_general;
+
+/*! \brief All configuration options for stasis http. */
+struct ari_conf {
+	/*! The general section configuration options. */
+	struct ari_conf_general *general;
+	/*! Configured users */
+	struct ao2_container *users;
+};
+
+/*! Max length for auth_realm field */
+#define ARI_AUTH_REALM_LEN 80
+
+/*! \brief Global configuration options for stasis http. */
+struct ari_conf_general {
+	/*! Enabled by default, disabled if false. */
+	int enabled;
+	/*! Encoding format used during output (default compact). */
+	enum ast_json_encoding_format format;
+	/*! Authentication realm */
+	char auth_realm[ARI_AUTH_REALM_LEN];
+};
+
+/*! \brief Password format */
+enum ari_password_format {
+	/*! \brief Plaintext password */
+	ARI_PASSWORD_FORMAT_PLAIN,
+	/*! crypt(3) password */
+	ARI_PASSWORD_FORMAT_CRYPT,
+};
+
+/*!
+ * \brief User's password mx length.
+ *
+ * If 256 seems like a lot, a crypt SHA-512 has over 106 characters.
+ */
+#define ARI_PASSWORD_LEN 256
+
+/*! \brief Per-user configuration options */
+struct ari_conf_user {
+	/*! Username for authentication */
+	char *username;
+	/*! User's password. */
+	char password[ARI_PASSWORD_LEN];
+	/*! Format for the password field */
+	enum ari_password_format password_format;
+	/*! If true, user cannot execute change operations */
+	int read_only;
+};
+
+/*!
+ * \brief Initialize the ARI configuration
+ */
+int ari_config_init(void);
+
+/*!
+ * \brief Reload the ARI configuration
+ */
+int ari_config_reload(void);
+
+/*!
+ * \brief Destroy the ARI configuration
+ */
+void ari_config_destroy(void);
+
+/*!
+ * \brief Get the current ARI configuration.
+ *
+ * This is an immutable object, so don't modify it. It is AO2 managed, so
+ * ao2_cleanup() when you're done with it.
+ *
+ * \return ARI configuration object.
+ * \return \c NULL on error.
+ */
+struct ari_conf *ari_config_get(void);
+
+/*!
+ * \brief Validated a user's credentials.
+ *
+ * \param username Name of the user.
+ * \param password User's password.
+ * \return User object.
+ * \return \c NULL if username or password is invalid.
+ */
+struct ari_conf_user *ari_config_validate_user(const char *username,
+	const char *password);
+
+/*! @} */
+
+
+#endif /* STASIS_HTTP_INTERNAL_H_ */