proxy.h File Reference

#include "buffer.h"
#include "misc.h"

Include dependency graph for proxy.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	http_custom_header
struct	http_proxy_options
struct	http_proxy_info

Macros
#define	HTTP_AUTH_NONE   0
#define	HTTP_AUTH_BASIC   1
#define	HTTP_AUTH_DIGEST   2
#define	HTTP_AUTH_N   5 /* number of HTTP_AUTH methods */
#define	MAX_CUSTOM_HTTP_HEADER   10
#define	PAR_NO   0 /* don't support any auth retries */
#define	PAR_ALL   1 /* allow all proxy auth protocols */
#define	PAR_NCT   2 /* disable cleartext proxy auth protocols */

Functions
struct http_proxy_options *	init_http_proxy_options_once (struct http_proxy_options **hpo, struct gc_arena *gc)
struct http_proxy_info *	http_proxy_new (const struct http_proxy_options *o)
void	http_proxy_close (struct http_proxy_info *hp)
bool	proxy_recv_char (uint8_t *c, const char *name, socket_descriptor_t sd, struct timeval *timeout, volatile int *signal_received)
bool	proxy_send (socket_descriptor_t sd, const void *buf, size_t buf_len)
bool	establish_http_proxy_passthru (struct http_proxy_info *p, socket_descriptor_t sd, const char *host, const char *port, const struct event_timeout *server_poll_timeout, struct buffer *lookahead, struct signal_info *sig_info)
uint8_t *	make_base64_string2 (const uint8_t *str, int str_len, struct gc_arena *gc)
uint8_t *	make_base64_string (const uint8_t *str, struct gc_arena *gc)

Macro Definition Documentation

HTTP_AUTH_BASIC

#define HTTP_AUTH_BASIC   1

Definition at line 31 of file proxy.h.

Referenced by establish_http_proxy_passthru(), get_proxy_authenticate(), and http_proxy_new().

HTTP_AUTH_DIGEST

#define HTTP_AUTH_DIGEST   2

Definition at line 32 of file proxy.h.

Referenced by establish_http_proxy_passthru(), and get_proxy_authenticate().

HTTP_AUTH_N

#define HTTP_AUTH_N   5 /* number of HTTP_AUTH methods */

Definition at line 35 of file proxy.h.

HTTP_AUTH_NONE

#define HTTP_AUTH_NONE   0

Definition at line 30 of file proxy.h.

Referenced by establish_http_proxy_passthru(), get_proxy_authenticate(), and http_proxy_new().

MAX_CUSTOM_HTTP_HEADER

#define MAX_CUSTOM_HTTP_HEADER   10

Definition at line 43 of file proxy.h.

Referenced by add_option(), add_proxy_headers(), and show_http_proxy_options().

PAR_ALL

#define PAR_ALL   1 /* allow all proxy auth protocols */

Definition at line 50 of file proxy.h.

Referenced by add_option(), management_callback_proxy_cmd(), and parse_http_proxy_override().

PAR_NCT

#define PAR_NCT   2 /* disable cleartext proxy auth protocols */

Definition at line 51 of file proxy.h.

Referenced by add_option(), establish_http_proxy_passthru(), management_callback_proxy_cmd(), and parse_http_proxy_override().

PAR_NO

#define PAR_NO   0 /* don't support any auth retries */

Definition at line 49 of file proxy.h.

Function Documentation

establish_http_proxy_passthru()

bool establish_http_proxy_passthru	(	struct http_proxy_info *	p,
		socket_descriptor_t	sd,
		const char *	host,
		const char *	port,
		const struct event_timeout *	server_poll_timeout,
		struct buffer *	lookahead,
		struct signal_info *	sig_info )

Definition at line 597 of file proxy.c.

References add_proxy_headers(), ASSERT, http_proxy_info::auth_method, http_proxy_options::auth_retry, BLEN, BPTR, checked_snprintf(), chomp(), clear_user_pass_http(), D_LINK_ERRORS, D_PROXY, D_SHOW_KEYS, DigestCalcHA1(), DigestCalcResponse(), dmsg, format_hex(), gc, gc_free(), gc_malloc(), gc_new(), get_pa_var(), get_proxy_authenticate(), get_server_poll_remaining_time(), get_user_pass_http(), HTTP_AUTH_BASIC, HTTP_AUTH_DIGEST, HTTP_AUTH_NONE, http_proxy_options::http_version, M_INFO, make_base64_string2(), msg, user_pass::nocache, http_proxy_info::options, PAR_NCT, user_pass::password, prng_bytes(), http_proxy_info::proxy_authenticate, purge_user_pass(), http_proxy_info::queried_creds, recv_line(), register_signal(), secure_memzero(), send_crlf(), send_line_crlf(), signal_info::signal_received, SIGUSR1, status, store_proxy_authenticate(), unprotect_user_pass(), http_proxy_info::up, user_pass::username, and username_password_as_base64().

Referenced by phase2_tcp_client().

http_proxy_close()

void http_proxy_close

(

struct http_proxy_info *

hp

)

Definition at line 524 of file proxy.c.

Referenced by uninit_proxy_dowork().

http_proxy_new()

struct http_proxy_info * http_proxy_new

(

const struct http_proxy_options *

o

)

Definition at line 479 of file proxy.c.

References ALLOC_OBJ_CLEAR, ASSERT, http_proxy_info::auth_method, http_proxy_options::auth_method_string, http_proxy_info::defined, http_proxy_options::first_time, get_user_pass_http(), HTTP_AUTH_BASIC, HTTP_AUTH_NONE, M_FATAL, msg, http_proxy_info::options, http_proxy_options::port, and http_proxy_options::server.

Referenced by init_proxy_dowork().

init_http_proxy_options_once()

struct http_proxy_options * init_http_proxy_options_once	(	struct http_proxy_options **	hpo,
		struct gc_arena *	gc )

Definition at line 44 of file proxy.c.

References ALLOC_OBJ_CLEAR_GC, and gc.

Referenced by add_option(), and management_callback_proxy_cmd().

make_base64_string()

uint8_t * make_base64_string	(	const uint8_t *	str,
		struct gc_arena *	gc )

Definition at line 229 of file proxy.c.

References gc, and make_base64_string2().

Referenced by username_password_as_base64().

make_base64_string2()

uint8_t * make_base64_string2	(	const uint8_t *	str,
		int	str_len,
		struct gc_arena *	gc )

Definition at line 218 of file proxy.c.

References ASSERT, gc, openvpn_base64_encode(), and string_alloc().

Referenced by establish_http_proxy_passthru(), and make_base64_string().

proxy_recv_char()

bool proxy_recv_char	(	uint8_t *	c,
		const char *	name,
		socket_descriptor_t	sd,
		struct timeval *	timeout,
		volatile int *	signal_received )

Definition at line 60 of file proxy.c.

References D_LINK_ERRORS, get_signal(), M_ERRNO, msg, MSG_NOSIGNAL, openvpn_fd_set(), openvpn_select(), and status.

Referenced by recv_line(), and socks_proxy_recv_char().

proxy_send()

bool proxy_send	(	socket_descriptor_t	sd,
		const void *	buf,
		size_t	buf_len )

Definition at line 187 of file proxy.c.

References D_LINK_ERRORS, M_ERRNO, msg, MSG_NOSIGNAL, and openvpn_send().

Referenced by establish_socks_proxy_passthru(), send_line_crlf(), socks_handshake(), and socks_username_password_auth().