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application/sp-console(down)/Common/.svn/pristine/0a/0a096eab98f447fc7eed634bafeaf88a3d92a34e.svn-base

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+/* 
+   HTTP authentication routines
+   Copyright (C) 1999-2002, Joe Orton <joe@manyfish.co.uk>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA
+
+*/
+
+#ifndef NE_AUTH_H
+#define NE_AUTH_H
+
+#include "ne_session.h" /* for ne_session */
+
+BEGIN_NEON_DECLS
+
+/* Size of username/password buffers passed to ne_auth_creds
+ * callback. */
+#define NE_ABUFSIZ (256)
+
+/* The callback used to request the username and password in the given
+ * realm. The username and password must be copied into the buffers
+ * which are both of size NE_ABUFSIZ.  The 'attempt' parameter is zero
+ * on the first call to the callback, and increases by one each time
+ * an attempt to authenticate fails.
+ *
+ * The callback must return zero to indicate that authentication
+ * should be attempted with the username/password, or non-zero to
+ * cancel the request. (if non-zero, username and password are
+ * ignored.)  */
+typedef int (*ne_auth_creds)(void *userdata, const char *realm, int attempt,
+			     char *username, char *password);
+
+/* TOP TIP: if you just wish to try authenticating once (even if the
+ * user gets the username/password wrong), have your implementation of
+ * the callback return the 'attempt' value.  */
+
+/* Set callbacks to provide credentials for server and proxy
+ * authentication.  userdata is passed as the first argument to the
+ * callback.  The callback is called *indefinitely* until either it
+ * returns non-zero, or authentication is successful.  */
+void ne_set_server_auth(ne_session *sess, ne_auth_creds creds, void *userdata);
+void ne_set_proxy_auth(ne_session *sess, ne_auth_creds creds, void *userdata);
+
+/* Clear any stored authentication details for the given session. */
+void ne_forget_auth(ne_session *sess);
+
+END_NEON_DECLS
+
+#endif /* NE_AUTH_H */