noit_console_telnet.h

Revision fc879b8ebfb9f5de9e38c553a69f55837e32a394, 10.8 kB (checked in by Theo Schlossnagle <jesus@omniti.com>, 5 years ago)
Disable LINEMODE on Linux -- I can't get it to work. This solves the echoing telnet sessions. Make compiles without LINEMODE clean. fixes #19
Property mode set to `100644`

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1	/*
2	* Copyright (c) 1989, 1993
3	* The Regents of the University of California. All rights reserved.
4	* Copyright (c) 2007
5	* OmnitTI Computer Consulting, Inc. All rights reserved.
6	*
7	* Redistribution and use in source and binary forms, with or without
8	* modification, are permitted provided that the following conditions
9	* are met:
10	* 1. Redistributions of source code must retain the above copyright
11	* notice, this list of conditions and the following disclaimer.
12	* 2. Redistributions in binary form must reproduce the above copyright
13	* notice, this list of conditions and the following disclaimer in the
14	* documentation and/or other materials provided with the distribution.
15	* 3. All advertising materials mentioning features or use of this software
16	* must display the following acknowledgement:
17	* This product includes software developed by the University of
18	* California, Berkeley and its contributors.
19	* 4. Neither the name of the University nor the names of its contributors
20	* may be used to endorse or promote products derived from this software
21	* without specific prior written permission.
22	*
23	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33	* SUCH DAMAGE.
34	*
35	* @(#)defs.h 8.1 (Berkeley) 6/4/93
36	*/
37
38	#ifndef _NOIT_CONSOLE_TELNET_H
39	#define _NOIT_CONSOLE_TELNET_H
40
41	#include "noit_defines.h"
42	#include "utils/noit_hash.h"
43
44	#include <arpa/telnet.h>
45	#include <sys/ioctl.h>
46	#ifdef HAVE_SYS_IOCTL_COMPAT_H
47	#include <sys/ioctl_compat.h>
48	#endif
49	#ifdef HAVE_TERMIOS_H
50	#include <termios.h>
51	#endif
52	#ifdef HAVE_TERM_H
53	#include <term.h>
54	#endif
55
56	#if !defined(__linux__)
57	/* At least _I_ can't get LINUMODE working on Linux */
58	#define LINEMODE 1
59	#endif
60
61	#ifndef _POSIX_VDISABLE
62	# ifdef VDISABLE
63	# define _POSIX_VDISABLE VDISABLE
64	# else
65	# define _POSIX_VDISABLE ((unsigned char)'\377')
66	# endif
67	#endif
68
69	/*
70	* Structures of information for each special character function.
71	*/
72
73	typedef struct {
74	unsigned char flag; /* the flags for this function */
75	unsigned char val; /* the value of the special character */
76	} slcent, *Slcent;
77
78	typedef struct {
79	slcent defset; /* the default settings */
80	slcent current; /* the current settings */
81	unsigned char sptr; / a pointer to the char in */
82	/* system data structures */
83	} slcfun, *Slcfun;
84
85	#ifndef USE_TERMIO
86	struct termbuf {
87	struct sgttyb sg;
88	struct tchars tc;
89	struct ltchars ltc;
90	int state;
91	int lflags;
92	};
93	# define cfsetospeed(tp, val) (tp)->sg.sg_ospeed = (val)
94	# define cfsetispeed(tp, val) (tp)->sg.sg_ispeed = (val)
95	# define cfgetospeed(tp) (tp)->sg.sg_ospeed
96	# define cfgetispeed(tp) (tp)->sg.sg_ispeed
97	#else /* USE_TERMIO */
98	# ifndef TCSANOW
99	# ifdef TCSETS
100	# define TCSANOW TCSETS
101	# define TCSADRAIN TCSETSW
102	# define tcgetattr(f, t) ioctl(f, TCGETS, (char *)t)
103	# else
104	# ifdef TCSETA
105	# define TCSANOW TCSETA
106	# define TCSADRAIN TCSETAW
107	# define tcgetattr(f, t) ioctl(f, TCGETA, (char *)t)
108	# else
109	# define TCSANOW TIOCSETA
110	# define TCSADRAIN TIOCSETAW
111	# define tcgetattr(f, t) ioctl(f, TIOCGETA, (char *)t)
112	# endif
113	# endif
114	# define tcsetattr(f, a, t) ioctl(f, a, t)
115	# define cfsetospeed(tp, val) (tp)->c_cflag &= ~CBAUD; \
116	(tp)->c_cflag \|= (val)
117	# define cfgetospeed(tp) ((tp)->c_cflag & CBAUD)
118	# ifdef CIBAUD
119	# define cfsetispeed(tp, val) (tp)->c_cflag &= ~CIBAUD; \
120	(tp)->c_cflag \|= ((val)<<IBSHIFT)
121	# define cfgetispeed(tp) (((tp)->c_cflag & CIBAUD)>>IBSHIFT)
122	# else
123	# define cfsetispeed(tp, val) (tp)->c_cflag &= ~CBAUD; \
124	(tp)->c_cflag \|= (val)
125	# define cfgetispeed(tp) ((tp)->c_cflag & CBAUD)
126	# endif
127	# endif /* TCSANOW */
128	#endif /* USE_TERMIO */
129
130	/*
131	* The following are some clocks used to decide how to interpret
132	* the relationship between various variables.
133	*/
134
135	struct clocks_t {
136	int
137	system, /* what the current time is */
138	echotoggle, /* last time user entered echo character */
139	modenegotiated, /* last time operating mode negotiated */
140	didnetreceive, /* last time we read data from network */
141	ttypesubopt, /* ttype subopt is received */
142	tspeedsubopt, /* tspeed subopt is received */
143	environsubopt, /* environ subopt is received */
144	oenvironsubopt, /* old environ subopt is received */
145	xdisplocsubopt, /* xdisploc subopt is received */
146	baseline, /* time started to do timed action */
147	gotDM; /* when did we last see a data mark */
148	};
149
150	typedef struct {
151	noit_hash_table _env;
152	unsigned char *_subbuffer;
153	unsigned char *_subpointer;
154	unsigned char *_subend;
155	unsigned char *_subsave;
156	unsigned char _pty_buf[1024];
157	int _pty_fill;
158	slcfun _slctab[NSLC + 1];
159	char _options[256];
160	char _do_dont_resp[256];
161	char _will_wont_resp[256];
162	int _SYNCHing;
163	int _flowmode;
164	int _restartany;
165	int __terminit;
166	int _linemode;
167	int _uselinemode;
168	int _alwayslinemode;
169	int _editmode;
170	int _useeditmode;
171	unsigned char *_def_slcbuf;
172	int _def_slclen;
173	int _slcchange; /* change to slc is requested */
174	unsigned char _slcptr; / pointer into slc buffer */
175	unsigned char _slcbuf[NSLC6]; / buffer for slc negotiation */
176
177	int _def_tspeed; /* This one */
178	int _def_rspeed; /* and this one, need init to -1 */
179	#if !defined(LINEMODE) \|\| !defined(KLUDGELINEMODE)
180	int _turn_on_sga;
181	#endif
182	#ifdef TIOCSWINSZ
183	int _def_row;
184	int _def_col;
185	#endif
186	char _terminalname[41];
187	struct clocks_t _clocks;
188	#ifdef USE_TERMIO
189	struct termios _termbuf, _termbuf2; /* pty control structure */
190	#else
191	struct termbuf _termbuf, _termbuf2; /* pty control structure */
192	#endif
193	} *noit_console_telnet_closure_t;
194
195
196	/*
197	* We keep track of each side of the option negotiation.
198	*/
199
200	#define MY_STATE_WILL 0x01
201	#define MY_WANT_STATE_WILL 0x02
202	#define MY_STATE_DO 0x04
203	#define MY_WANT_STATE_DO 0x08
204
205	/*
206	* Macros to check the current state of things
207	*/
208
209	#define my_state_is_do(opt) (ncct->telnet->_options[opt]&MY_STATE_DO)
210	#define my_state_is_will(opt) (ncct->telnet->_options[opt]&MY_STATE_WILL)
211	#define my_want_state_is_do(opt) (ncct->telnet->_options[opt]&MY_WANT_STATE_DO)
212	#define my_want_state_is_will(opt) (ncct->telnet->_options[opt]&MY_WANT_STATE_WILL)
213
214	#define my_state_is_dont(opt) (!my_state_is_do(opt))
215	#define my_state_is_wont(opt) (!my_state_is_will(opt))
216	#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
217	#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
218
219	#define set_my_state_do(opt) (ncct->telnet->_options[opt] \|= MY_STATE_DO)
220	#define set_my_state_will(opt) (ncct->telnet->_options[opt] \|= MY_STATE_WILL)
221	#define set_my_want_state_do(opt) (ncct->telnet->_options[opt] \|= MY_WANT_STATE_DO)
222	#define set_my_want_state_will(opt) (ncct->telnet->_options[opt] \|= MY_WANT_STATE_WILL)
223
224	#define set_my_state_dont(opt) (ncct->telnet->_options[opt] &= ~MY_STATE_DO)
225	#define set_my_state_wont(opt) (ncct->telnet->_options[opt] &= ~MY_STATE_WILL)
226	#define set_my_want_state_dont(opt) (ncct->telnet->_options[opt] &= ~MY_WANT_STATE_DO)
227	#define set_my_want_state_wont(opt) (ncct->telnet->_options[opt] &= ~MY_WANT_STATE_WILL)
228
229	/*
230	* Tricky code here. What we want to know is if the MY_STATE_WILL
231	* and MY_WANT_STATE_WILL bits have the same value. Since the two
232	* bits are adjacent, a little arithmatic will show that by adding
233	* in the lower bit, the upper bit will be set if the two bits were
234	* different, and clear if they were the same.
235	*/
236	#define my_will_wont_is_changing(opt) \
237	((ncct->telnet->_options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL)
238
239	#define my_do_dont_is_changing(opt) \
240	((ncct->telnet->_options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO)
241
242	/*
243	* Make everything symmetrical
244	*/
245
246	#define HIS_STATE_WILL MY_STATE_DO
247	#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
248	#define HIS_STATE_DO MY_STATE_WILL
249	#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
250
251	#define his_state_is_do my_state_is_will
252	#define his_state_is_will my_state_is_do
253	#define his_want_state_is_do my_want_state_is_will
254	#define his_want_state_is_will my_want_state_is_do
255
256	#define his_state_is_dont my_state_is_wont
257	#define his_state_is_wont my_state_is_dont
258	#define his_want_state_is_dont my_want_state_is_wont
259	#define his_want_state_is_wont my_want_state_is_dont
260
261	#define set_his_state_do set_my_state_will
262	#define set_his_state_will set_my_state_do
263	#define set_his_want_state_do set_my_want_state_will
264	#define set_his_want_state_will set_my_want_state_do
265
266	#define set_his_state_dont set_my_state_wont
267	#define set_his_state_wont set_my_state_dont
268	#define set_his_want_state_dont set_my_want_state_wont
269	#define set_his_want_state_wont set_my_want_state_dont
270
271	#define his_will_wont_is_changing my_do_dont_is_changing
272	#define his_do_dont_is_changing my_will_wont_is_changing
273
274	struct __noit_console_closure;
275	void
276	noit_console_telnet_willoption(struct __noit_console_closure *ncct,
277	int option);
278	void
279	noit_console_telnet_wontoption(struct __noit_console_closure *ncct,
280	int option);
281	void
282	noit_console_telnet_dooption(struct __noit_console_closure *ncct,
283	int option);
284	void
285	noit_console_telnet_dontoption(struct __noit_console_closure *ncct,
286	int option);
287	void
288	noit_console_telnet_send_do(struct __noit_console_closure *ncct,
289	int option, int init);
290	void
291	noit_console_telnet_send_dont(struct __noit_console_closure *ncct,
292	int option, int init);
293	void
294	noit_console_telnet_send_will(struct __noit_console_closure *ncct,
295	int option, int init);
296	void
297	noit_console_telnet_send_wont(struct __noit_console_closure *ncct,
298	int option, int init);
299	void
300	noit_console_telnet_doclientstat(struct __noit_console_closure *ncct);
301	void
302	noit_console_telnet_send_status(struct __noit_console_closure *ncct);
303
304	void noit_console_telnet_free(noit_console_telnet_closure_t);
305	noit_console_telnet_closure_t
306	noit_console_telnet_alloc(struct __noit_console_closure *ncct);
307	int
308	noit_console_telnet_telrcv(struct __noit_console_closure *ncct,
309	const void *buf, int buflen);
310	void ptyflush(struct __noit_console_closure *ncct);
311
312	#endif

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root/src/noit_console_telnet.h

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