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/*
HTTP Request Handling
Copyright (C) 1999-2009, 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
*/
/* THIS IS NOT A PUBLIC INTERFACE. You CANNOT include this header file
* from an application. */
#ifndef NE_PRIVATE_H
#define NE_PRIVATE_H
#include "ne_request.h"
#include "ne_socket.h"
#include "ne_ssl.h"
struct host_info {
/* Type of host represented: */
enum proxy_type {
PROXY_NONE = 0,
PROXY_HTTP, /* an HTTP proxy */
PROXY_SOCKS /* a SOCKS proxy */
} proxy;
unsigned int port;
/* If hostname is non-NULL, host is identified by this hostname. */
char *hostname, *hostport;
/* If address is non-NULL, the result of resolving ->hostname. */
ne_sock_addr *address;
/* If current non-NULL, current network address used in ->address. */
const ne_inet_addr *current;
/* If override is non-NULL, the host is identified by this network
* address. */
const ne_inet_addr *network;
struct host_info *next;
};
/* Store every registered callback in a generic container, and cast
* the function pointer when calling it. */
struct hook {
void (*fn)(void);
void *userdata;
const char *id; /* non-NULL for accessors. */
struct hook *next;
};
#define HAVE_HOOK(st,func) (st->hook->hooks->func != NULL)
#define HOOK_FUNC(st, func) (*st->hook->hooks->func)
/* Session support. */
struct ne_session_s {
/* Connection information */
ne_socket *socket;
/* non-zero if connection has been established. */
int connected;
/* non-zero if connection has persisted beyond one request. */
int persisted;
int is_http11; /* >0 if connected server is known to be
* HTTP/1.1 compliant. */
char *scheme;
/* Server host details. */
struct host_info server;
/* Proxy host details, or NULL if not using a proxy. */
struct host_info *proxies;
/* Most recently used proxy server. */
struct host_info *prev_proxy;
/* Pointer to the active .server or .proxies as appropriate: */
struct host_info *nexthop;
/* Local address to which sockets should be bound. */
const ne_inet_addr *local_addr;
/* Settings */
int use_ssl; /* whether a secure connection is required */
int in_connect; /* doing a proxy CONNECT */
int any_proxy_http; /* whether any configured proxy is an HTTP proxy */
enum ne_sock_sversion socks_ver;
char *socks_user, *socks_password;
int flags[NE_SESSFLAG_LAST];
ne_progress progress_cb;
void *progress_ud;
ne_notify_status notify_cb;
void *notify_ud;
int rdtimeout, cotimeout; /* read, connect timeouts. */
struct hook *create_req_hooks, *pre_send_hooks, *post_send_hooks,
*post_headers_hooks, *destroy_req_hooks, *destroy_sess_hooks,
*close_conn_hooks, *private;
char *user_agent; /* full User-Agent: header field */
#ifdef NE_HAVE_SSL
ne_ssl_client_cert *client_cert;
ne_ssl_certificate *server_cert;
ne_ssl_context *ssl_context;
int ssl_cc_requested; /* set to non-zero if a client cert was
* requested during initial handshake, but
* none could be provided. */
#endif
/* Server cert verification callback: */
ne_ssl_verify_fn ssl_verify_fn;
void *ssl_verify_ud;
/* Client cert provider callback: */
ne_ssl_provide_fn ssl_provide_fn;
void *ssl_provide_ud;
ne_session_status_info status;
/* Error string */
char error[512];
};
/* Pushes block of 'count' bytes at 'buf'. Returns non-zero on
* error. */
typedef int (*ne_push_fn)(void *userdata, const char *buf, size_t count);
/* Do the SSL negotiation. */
NE_PRIVATE int ne__negotiate_ssl(ne_session *sess);
/* Set the session error appropriate for SSL verification failures. */
NE_PRIVATE void ne__ssl_set_verify_err(ne_session *sess, int failures);
/* Return non-zero if hostname from certificate (cn) matches hostname
* used for session (hostname); follows RFC2818 logic. */
NE_PRIVATE int ne__ssl_match_hostname(const char *cn, size_t cnlen,
const char *hostname);
#endif /* HTTP_PRIVATE_H */
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