user == NULL */
} authz_status;
typedef struct {
/* Given a username and password, expected to return AUTH_GRANTED
* if we can validate this user/password combination.
*/
authn_status (*check_password)(request_rec *r, const char *user,
const char *password);
/* Given a user and realm, expected to return AUTH_USER_FOUND if we
* can find a md5 hash of 'user:realm:password'
*/
authn_status (*get_realm_hash)(request_rec *r, const char *user,
const char *realm, char **rethash);
} authn_provider;
/* A linked-list of authn providers. */
typedef struct authn_provider_list authn_provider_list;
struct authn_provider_list {
const char *provider_name;
const authn_provider *provider;
authn_provider_list *next;
};
typedef struct {
/* Given a request_rec, expected to return AUTHZ_GRANTED
* if we can authorize user access.
* @param r the request record
* @param require_line the argument to the authz provider
* @param parsed_require_line the value set by parse_require_line(), if any
*/
authz_status (*check_authorization)(request_rec *r,
const char *require_line,
const void *parsed_require_line);
/** Check the syntax of a require line and optionally cache the parsed
* line. This function may be NULL.
* @param cmd the config directive
* @param require_line the argument to the authz provider
* @param parsed_require_line place to store parsed require_line for use by provider
* @return Error message or NULL on success
*/
const char *(*parse_require_line)(cmd_parms *cmd, const char *require_line,
const void **parsed_require_line);
} authz_provider;
/* ap_authn_cache_store: Optional function for authn providers
* to enable cacheing their lookups with mod_authn_cache
* @param r The request rec
* @param module Module identifier
* @param user User name to authenticate
* @param realm Digest authn realm (NULL for basic authn)
* @param data The value looked up by the authn provider, to cache
*/
APR_DECLARE_OPTIONAL_FN(void, ap_authn_cache_store,
(request_rec*, const char*, const char*,
const char*, const char*));
#ifdef __cplusplus
}
#endif
#endif