#include "curl_setup.h"
#include "urldata.h"
#include <curl/curl.h>
#include "transfer.h"
#include "sendf.h"
#include "telnet.h"
#include "connect.h"
#include "progress.h"
#include "system_win32.h"
#include "arpa_telnet.h"
#include "select.h"
#include "strcase.h"
#include "warnless.h"
#include "curl_printf.h"
#include "curl_memory.h"
#include "memdebug.h"

Include dependency graph for telnet.c:

Classes
struct	TELNET

Macros
#define	bufferflush() startskipping()

#define	CURL_EMPTY 0

#define	CURL_NO 0

#define	CURL_OPPOSITE 1

#define	CURL_SB_ACCUM(x, c)

#define	CURL_SB_CLEAR(x) x->subpointer = x->subbuffer

#define	CURL_SB_GET(x) ((*x->subpointer++)&0xff)

#define	CURL_SB_LEN(x) (x->subend - x->subpointer)

#define	CURL_SB_TERM(x)

#define	CURL_WANTNO 3

#define	CURL_WANTYES 2

#define	CURL_YES 1

#define	startskipping()

#define	SUBBUFSIZE 512

#define	TELCMDS

#define	TELOPTS

#define	writebyte()

Enumerations
enum	TelnetReceive { CURL_TS_DATA = 0, CURL_TS_IAC, CURL_TS_WILL, CURL_TS_WONT, CURL_TS_DO, CURL_TS_DONT, CURL_TS_CR, CURL_TS_SB, CURL_TS_SE }

Functions
static CURLcode	check_telnet_options (struct connectdata *conn)

static CURLcode	init_telnet (struct connectdata *conn)

static void	negotiate (struct connectdata *)

static void	printoption (struct Curl_easy data, const char direction, int cmd, int option)

static void	printsub (struct Curl_easy data, int direction, unsigned char pointer, size_t length)

static void	rec_do (struct connectdata *conn, int option)

static void	rec_dont (struct connectdata *conn, int option)

static void	rec_will (struct connectdata *conn, int option)

static void	rec_wont (struct connectdata *conn, int option)

static void	send_negotiation (struct connectdata *, int cmd, int option)

static CURLcode	send_telnet_data (struct connectdata conn, char buffer, ssize_t nread)

static void	sendsuboption (struct connectdata *conn, int option)

static void	set_local_option (struct connectdata *, int cmd, int option)

static void	set_remote_option (struct connectdata *, int cmd, int option)

static void	suboption (struct connectdata *)

static CURLcode	telnet_do (struct connectdata conn, bool done)

static CURLcode	telnet_done (struct connectdata *conn, CURLcode, bool premature)

static CURLcode	telrcv (struct connectdata , const unsigned char inbuf, ssize_t count)

Variables
const struct Curl_handler	Curl_handler_telnet

Macro Definition Documentation

◆ bufferflush

#define bufferflush ( ) startskipping()

◆ CURL_EMPTY

#define CURL_EMPTY 0

Definition at line 133 of file telnet.c.

◆ CURL_NO

#define CURL_NO 0

Definition at line 128 of file telnet.c.

◆ CURL_OPPOSITE

#define CURL_OPPOSITE 1

Definition at line 134 of file telnet.c.

◆ CURL_SB_ACCUM

#define CURL_SB_ACCUM	(	x,
		c
	)

Value:

  do {                                                       \
    if(x->subpointer < (x->subbuffer + sizeof x->subbuffer)) \
      *x->subpointer++ = (c);                                \
  } WHILE_FALSE

Definition at line 77 of file telnet.c.

◆ CURL_SB_CLEAR

#define CURL_SB_CLEAR ( x ) x->subpointer = x->subbuffer

Definition at line 71 of file telnet.c.

◆ CURL_SB_GET

#define CURL_SB_GET ( x ) ((*x->subpointer++)&0xff)

Definition at line 83 of file telnet.c.

◆ CURL_SB_LEN

#define CURL_SB_LEN ( x ) (x->subend - x->subpointer)

Definition at line 84 of file telnet.c.

◆ CURL_SB_TERM

#define CURL_SB_TERM ( x )

Value:

  do {                                                  \
    x->subend = x->subpointer;                          \
    CURL_SB_CLEAR(x);                                   \
  } WHILE_FALSE

Definition at line 72 of file telnet.c.

◆ CURL_WANTNO

#define CURL_WANTNO 3

Definition at line 131 of file telnet.c.

◆ CURL_WANTYES

#define CURL_WANTYES 2

Definition at line 130 of file telnet.c.

◆ CURL_YES

#define CURL_YES 1

Definition at line 129 of file telnet.c.

◆ startskipping

#define startskipping ( )

Value:

  if(startwrite >= 0) {                                       \
    result = Curl_client_write(conn,                          \
                               CLIENTWRITE_BODY,              \
                               (char *)&inbuf[startwrite],    \
                               in-startwrite);                \
    if(result)                                                \
      return result;                                          \
  }                                                           \
  startwrite = -1

◆ SUBBUFSIZE

#define SUBBUFSIZE 512

Definition at line 69 of file telnet.c.

◆ TELCMDS

#define TELCMDS

Definition at line 57 of file telnet.c.

◆ TELOPTS

#define TELOPTS

Definition at line 56 of file telnet.c.

◆ writebyte

#define writebyte ( )

Value:

if(startwrite < 0) \

startwrite = in

Enumeration Type Documentation

◆ TelnetReceive

enum TelnetReceive

Enumerator
CURL_TS_DATA
CURL_TS_IAC
CURL_TS_WILL
CURL_TS_WONT
CURL_TS_DO
CURL_TS_DONT
CURL_TS_CR
CURL_TS_SB
CURL_TS_SE

Definition at line 139 of file telnet.c.

Function Documentation

◆ check_telnet_options()

static CURLcode check_telnet_options ( struct connectdata * conn )

static

Definition at line 821 of file telnet.c.

◆ init_telnet()

static CURLcode init_telnet ( struct connectdata * conn )

static

Definition at line 243 of file telnet.c.

◆ negotiate()

static void negotiate ( struct connectdata * conn )

static

Definition at line 293 of file telnet.c.

◆ printoption()

static void printoption	(	struct Curl_easy *	data,
		const char *	direction,
		int	cmd,
		int	option
	)

static

Definition at line 311 of file telnet.c.

◆ printsub()

static void printsub	(	struct Curl_easy *	data,
		int	direction,
		unsigned char *	pointer,
		size_t	length
	)

static

Definition at line 708 of file telnet.c.

◆ rec_do()

static void rec_do	(	struct connectdata *	conn,
		int	option
	)

static

Definition at line 606 of file telnet.c.

◆ rec_dont()

static void rec_dont	(	struct connectdata *	conn,
		int	option
	)

static

Definition at line 666 of file telnet.c.

◆ rec_will()

static void rec_will	(	struct connectdata *	conn,
		int	option
	)

static

Definition at line 442 of file telnet.c.

◆ rec_wont()

static void rec_wont	(	struct connectdata *	conn,
		int	option
	)

static

Definition at line 490 of file telnet.c.

◆ send_negotiation()

static void send_negotiation	(	struct connectdata *	conn,
		int	cmd,
		int	option
	)

static

Definition at line 347 of file telnet.c.

◆ send_telnet_data()

static CURLcode send_telnet_data	(	struct connectdata *	conn,
		char *	buffer,
		ssize_t	nread
	)

static

Definition at line 1224 of file telnet.c.

◆ sendsuboption()

static void sendsuboption	(	struct connectdata *	conn,
		int	option
	)

static

Definition at line 1003 of file telnet.c.

◆ set_local_option()

static void set_local_option	(	struct connectdata *	conn,
		int	cmd,
		int	option
	)

static

Definition at line 532 of file telnet.c.

◆ set_remote_option()

static void set_remote_option	(	struct connectdata *	conn,
		int	cmd,
		int	option
	)

static

Definition at line 368 of file telnet.c.

◆ suboption()

static void suboption ( struct connectdata * conn )

static

Definition at line 925 of file telnet.c.

◆ telnet_do()

static CURLcode telnet_do	(	struct connectdata *	conn,
		bool *	done
	)

static

Definition at line 1302 of file telnet.c.

◆ telnet_done()

static CURLcode telnet_done	(	struct connectdata *	conn,
		CURLcode	status,
		bool	premature
	)

static

Definition at line 1284 of file telnet.c.

◆ telrcv()

static CURLcode telrcv	(	struct connectdata *	conn,
		const unsigned char *	inbuf,
		ssize_t	count
	)

static

Definition at line 1060 of file telnet.c.

Variable Documentation

◆ Curl_handler_telnet

const struct Curl_handler Curl_handler_telnet

Initial value:

= {
  "TELNET",                             
  ZERO_NULL,                            
  telnet_do,                            
  telnet_done,                          
  ZERO_NULL,                            
  ZERO_NULL,                            
  ZERO_NULL,                            
  ZERO_NULL,                            
  ZERO_NULL,                            
  ZERO_NULL,                            
  ZERO_NULL,                            
  ZERO_NULL,                            
  ZERO_NULL,                            
  ZERO_NULL,                            
  ZERO_NULL,                            
  PORT_TELNET,                          
  CURLPROTO_TELNET,                     
  PROTOPT_NONE | PROTOPT_NOURLQUERY     
}

Definition at line 180 of file telnet.c.

Classes

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ bufferflush

◆ CURL_EMPTY

◆ CURL_NO

◆ CURL_OPPOSITE

◆ CURL_SB_ACCUM

◆ CURL_SB_CLEAR

◆ CURL_SB_GET

◆ CURL_SB_LEN

◆ CURL_SB_TERM

◆ CURL_WANTNO

◆ CURL_WANTYES

◆ CURL_YES

◆ startskipping

◆ SUBBUFSIZE

◆ TELCMDS

◆ TELOPTS

◆ writebyte

Enumeration Type Documentation

◆ TelnetReceive

Function Documentation

◆ check_telnet_options()

◆ init_telnet()

◆ negotiate()

◆ printoption()

◆ printsub()

◆ rec_do()

◆ rec_dont()

◆ rec_will()

◆ rec_wont()

◆ send_negotiation()

◆ send_telnet_data()

◆ sendsuboption()

◆ set_local_option()

◆ set_remote_option()

◆ suboption()

◆ telnet_do()

◆ telnet_done()

◆ telrcv()

Variable Documentation

◆ Curl_handler_telnet