http.c File Reference

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <limits.h>
#include "elinks.h"
#include "cache/cache.h"
#include "config/options.h"
#include "cookies/cookies.h"
#include "intl/charsets.h"
#include "intl/libintl.h"
#include "main/module.h"
#include "network/connection.h"
#include "network/progress.h"
#include "network/socket.h"
#include "osdep/ascii.h"
#include "osdep/osdep.h"
#include "osdep/sysname.h"
#include "protocol/auth/auth.h"
#include "protocol/auth/digest.h"
#include "protocol/curl/http.h"
#include "protocol/date.h"
#include "protocol/header.h"
#include "protocol/http/blacklist.h"
#include "protocol/http/codes.h"
#include "protocol/http/http.h"
#include "protocol/uri.h"
#include "session/session.h"
#include "terminal/terminal.h"
#include "util/base64.h"
#include "util/conv.h"
#include "util/memory.h"
#include "util/string.h"

Include dependency graph for http.c:

Macros
#define	HTTP_0_9(x)
#define	HTTP_1_0(x)
#define	HTTP_1_1(x)
#define	PRE_HTTP_1_0(x)
#define	PRE_HTTP_1_1(x)
#define	POST_HTTP_1_0(x)
#define	POST_HTTP_1_1(x)
#define	LEN_CHUNKED   -2 /* == we get data in unknown number of chunks */
#define	LEN_FINISHED   0
#define	CHUNK_DATA_END   -3
#define	CHUNK_ZERO_SIZE   -2
#define	CHUNK_SIZE   -1
#define	IS_PROXY_URI(x)
#define	connection_is_https_proxy(conn)
#define	POST_BUFFER_SIZE   4096

Functions
static void	done_http (struct module *mod)
static void	init_accept_charset (void)
char *	subst_user_agent (char *fmt, const char *version, char *sysname, char *termsize)
void	add_url_to_http_string (struct string *header, struct uri *uri, uri_component_T components)
static int	revstr2num (char *start, char *end, int *value)
static int	get_http_code (struct read_buffer *rb, int *code, struct http_version *version)
static int	check_http_server_bugs (struct uri *uri, struct http_connection_info *http, char *head)
static void	http_end_request (struct connection *conn, struct connection_state state, int notrunc)
static void	http_send_header (struct socket *)
void	http_protocol_handler (struct connection *conn)
void	proxy_protocol_handler (struct connection *conn)
static void	done_http_connection (struct connection *conn)
	connection.done points to this function if connection.info points to a struct http_connection_info.
struct http_connection_info *	init_http_connection_info (struct connection *conn, int major, int minor, int close)
static void	accept_encoding_header (struct string *header)
static void	send_more_post_data (struct socket *socket)
static char *	decompress_data (struct connection *conn, char *data, int len, int *new_len)
static int	is_line_in_buffer (struct read_buffer *rb)
static void	read_http_data (struct socket *socket, struct read_buffer *rb)
static void	read_more_http_data (struct connection *conn, struct read_buffer *rb, int already_got_anything)
static void	read_http_data_done (struct connection *conn)
static int	read_chunked_http_data (struct connection *conn, struct read_buffer *rb)
static int	read_normal_http_data (struct connection *conn, struct read_buffer *rb)
static int	get_header (struct read_buffer *rb)
static int	check_http_authentication (struct connection *conn, struct uri *uri, char *header, const char *header_field)
void	http_got_header (struct socket *socket, struct read_buffer *rb)

Variables
static struct auth_entry	proxy_auth
static char *	accept_charset = NULL
static union option_info	http_options []
struct module	http_protocol_module

Macro Definition Documentation

CHUNK_DATA_END

#define CHUNK_DATA_END   -3

CHUNK_SIZE

#define CHUNK_SIZE   -1

CHUNK_ZERO_SIZE

#define CHUNK_ZERO_SIZE   -2

connection_is_https_proxy

#define connection_is_https_proxy

(

conn

)

Value:

   (IS_PROXY_URI((conn)->uri) && (conn)->proxied_uri->protocol == PROTOCOL_HTTPS)

HTTP_0_9

#define HTTP_0_9

(

x

)

Value:

((x).major == 0 && (x).minor == 9)

HTTP_1_0

#define HTTP_1_0

(

x

)

Value:

((x).major == 1 && (x).minor == 0)

HTTP_1_1

#define HTTP_1_1

(

x

)

Value:

((x).major == 1 && (x).minor == 1)

IS_PROXY_URI

#define IS_PROXY_URI

(

x

)

Value:

((x)->protocol == PROTOCOL_PROXY)

LEN_CHUNKED

#define LEN_CHUNKED   -2 /* == we get data in unknown number of chunks */

LEN_FINISHED

#define LEN_FINISHED   0

POST_BUFFER_SIZE

#define POST_BUFFER_SIZE   4096

POST_HTTP_1_0

#define POST_HTTP_1_0

(

x

)

Value:

((x).major > 1 || ((x).major == 1 && (x).minor > 0))

POST_HTTP_1_1

#define POST_HTTP_1_1

(

x

)

Value:

((x).major > 1 || ((x).major == 1 && (x).minor > 1))

PRE_HTTP_1_0

#define PRE_HTTP_1_0

(

x

)

Value:

((x).major < 1)

PRE_HTTP_1_1

#define PRE_HTTP_1_1

(

x

)

Value:

(PRE_HTTP_1_0(x) || HTTP_1_0(x))

Function Documentation

accept_encoding_header()

void accept_encoding_header ( struct string * header )

static

add_url_to_http_string()

void add_url_to_http_string	(	struct string *	header,
		struct uri *	uri,
		uri_component_T	components )

check_http_authentication()

int check_http_authentication ( struct connection * conn, struct uri * uri, char * header, const char * header_field )

static

check_http_server_bugs()

int check_http_server_bugs ( struct uri * uri, struct http_connection_info * http, char * head )

static

decompress_data()

char * decompress_data ( struct connection * conn, char * data, int len, int * new_len )

static

done_http()

void done_http ( struct module * mod )

static

done_http_connection()

void done_http_connection ( struct connection * conn )

static

connection.done points to this function if connection.info points to a struct http_connection_info.

get_header()

int get_header ( struct read_buffer * rb )

static

get_http_code()

int get_http_code ( struct read_buffer * rb, int * code, struct http_version * version )

static

http_end_request()

void http_end_request ( struct connection * conn, struct connection_state state, int notrunc )

static

http_got_header()

void http_got_header	(	struct socket *	socket,
		struct read_buffer *	rb )

http_protocol_handler()

void http_protocol_handler

(

struct connection *

conn

)

http_send_header()

void http_send_header ( struct socket * socket )

static

init_accept_charset()

void init_accept_charset ( void )

static

init_http_connection_info()

struct http_connection_info * init_http_connection_info	(	struct connection *	conn,
		int	major,
		int	minor,
		int	close )

is_line_in_buffer()

int is_line_in_buffer ( struct read_buffer * rb )

static

proxy_protocol_handler()

void proxy_protocol_handler

(

struct connection *

conn

)

read_chunked_http_data()

int read_chunked_http_data ( struct connection * conn, struct read_buffer * rb )

static

read_http_data()

void read_http_data ( struct socket * socket, struct read_buffer * rb )

static

read_http_data_done()

void read_http_data_done ( struct connection * conn )

static

read_more_http_data()

void read_more_http_data ( struct connection * conn, struct read_buffer * rb, int already_got_anything )

static

read_normal_http_data()

int read_normal_http_data ( struct connection * conn, struct read_buffer * rb )

static

revstr2num()

int revstr2num ( char * start, char * end, int * value )

static

send_more_post_data()

void send_more_post_data ( struct socket * socket )

static

subst_user_agent()

char * subst_user_agent	(	char *	fmt,
		const char *	version,
		char *	sysname,
		char *	termsize )

Variable Documentation

accept_charset

char* accept_charset = NULL

static

http_options

union option_info http_options[]

static

http_protocol_module

struct module http_protocol_module

Initial value:

= struct_module(
         N_("HTTP"),
         http_options,
         NULL,
      NULL,
         NULL,
         NULL,
         done_http,
      NULL
)

proxy_auth

struct auth_entry proxy_auth

static