Rethink the whole line discipline architecture. Instead of having
[u/mdw/putty] / putty.h
1 #ifndef PUTTY_PUTTY_H
2 #define PUTTY_PUTTY_H
3
4 #include "network.h"
5
6 #define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
7 #define PUTTY_REG_PARENT "Software\\SimonTatham"
8 #define PUTTY_REG_PARENT_CHILD "PuTTY"
9 #define PUTTY_REG_GPARENT "Software"
10 #define PUTTY_REG_GPARENT_CHILD "SimonTatham"
11
12 /*
13 * Global variables. Most modules declare these `extern', but
14 * window.c will do `#define PUTTY_DO_GLOBALS' before including this
15 * module, and so will get them properly defined.
16 */
17 #ifdef PUTTY_DO_GLOBALS
18 #define GLOBAL
19 #else
20 #define GLOBAL extern
21 #endif
22
23 #define ATTR_ACTCURS 0x80000000UL /* active cursor (block) */
24 #define ATTR_PASCURS 0x40000000UL /* passive cursor (box) */
25 #define ATTR_INVALID 0x20000000UL
26 #define ATTR_WRAPPED 0x10000000UL
27 #define ATTR_RIGHTCURS 0x10000000UL /* doubles as cursor-on-RHS indicator */
28
29 #define LATTR_NORM 0x00000000UL
30 #define LATTR_WIDE 0x01000000UL
31 #define LATTR_TOP 0x02000000UL
32 #define LATTR_BOT 0x03000000UL
33 #define LATTR_MODE 0x03000000UL
34
35 #define ATTR_ASCII 0x00000000UL /* normal ASCII charset ESC ( B */
36 #define ATTR_GBCHR 0x00100000UL /* UK variant charset ESC ( A */
37 #define ATTR_LINEDRW 0x00200000UL /* line drawing charset ESC ( 0 */
38
39 #define ATTR_BOLD 0x00000100UL
40 #define ATTR_UNDER 0x00000200UL
41 #define ATTR_REVERSE 0x00000400UL
42 #define ATTR_BLINK 0x00000800UL
43 #define ATTR_FGMASK 0x0000F000UL
44 #define ATTR_BGMASK 0x000F0000UL
45 #define ATTR_FGSHIFT 12
46 #define ATTR_BGSHIFT 16
47
48 #define ATTR_DEFAULT 0x00098000UL
49 #define ATTR_DEFFG 0x00008000UL
50 #define ATTR_DEFBG 0x00090000UL
51 #define ATTR_CUR_XOR 0x000BA000UL
52 #define ERASE_CHAR (ATTR_DEFAULT | ' ')
53 #define ATTR_MASK 0xFFFFFF00UL
54 #define CHAR_MASK 0x000000FFUL
55
56 typedef HDC Context;
57 #define SEL_NL { 13, 10 }
58
59 GLOBAL int rows, cols, savelines;
60
61 GLOBAL int font_width, font_height;
62
63 #define INBUF_SIZE 2048
64 GLOBAL unsigned char inbuf[INBUF_SIZE];
65 GLOBAL int inbuf_head;
66
67 #define OUTBUF_SIZE 2048
68 #define OUTBUF_MASK (OUTBUF_SIZE-1)
69 GLOBAL unsigned char outbuf[OUTBUF_SIZE];
70 GLOBAL int outbuf_head, outbuf_reap;
71
72 GLOBAL int has_focus;
73
74 GLOBAL int app_cursor_keys, app_keypad_keys, vt52_mode;
75 GLOBAL int repeat_off, cr_lf_return;
76
77 GLOBAL int seen_key_event;
78 GLOBAL int seen_disp_event;
79
80 GLOBAL int session_closed;
81
82 #define LGTYP_NONE 0 /* logmode: no logging */
83 #define LGTYP_ASCII 1 /* logmode: pure ascii */
84 #define LGTYP_DEBUG 2 /* logmode: all chars of taffic */
85 GLOBAL char *logfile;
86
87 /*
88 * Window handles for the dialog boxes that can be running during a
89 * PuTTY session.
90 */
91 GLOBAL HWND logbox;
92
93 /*
94 * I've just looked in the windows standard headr files for WM_USER, there
95 * are hundreds of flags defined using the form WM_USER+123 so I've
96 * renumbered this NETEVENT value and the two in window.c
97 */
98 #define WM_XUSER (WM_USER + 0x2000)
99 #define WM_NETEVENT (WM_XUSER + 5)
100
101 typedef enum {
102 TS_AYT, TS_BRK, TS_SYNCH, TS_EC, TS_EL, TS_GA, TS_NOP, TS_ABORT,
103 TS_AO, TS_IP, TS_SUSP, TS_EOR, TS_EOF, TS_LECHO, TS_RECHO, TS_PING
104 } Telnet_Special;
105
106 typedef enum {
107 MB_NOTHING, MB_SELECT, MB_EXTEND, MB_PASTE
108 } Mouse_Button;
109
110 typedef enum {
111 MA_NOTHING, MA_CLICK, MA_2CLK, MA_3CLK, MA_DRAG, MA_RELEASE
112 } Mouse_Action;
113
114 typedef enum {
115 VT_XWINDOWS, VT_OEMANSI, VT_OEMONLY, VT_POORMAN
116 } VT_Mode;
117
118 enum {
119 /*
120 * Line discipline option states: off, on, up to the backend.
121 */
122 LD_YES, LD_NO, LD_BACKEND
123 };
124
125 enum {
126 /*
127 * Line discipline options which the backend might try to control.
128 */
129 LD_EDIT, /* local line editing */
130 LD_ECHO /* local echo */
131 };
132
133 typedef struct {
134 char *(*init) (char *host, int port, char **realhost);
135 void (*send) (char *buf, int len);
136 void (*size) (void);
137 void (*special) (Telnet_Special code);
138 Socket (*socket) (void);
139 int (*sendok) (void);
140 int (*ldisc) (int);
141 int default_port;
142 } Backend;
143
144 GLOBAL Backend *back;
145
146 extern struct backend_list {
147 int protocol;
148 char *name;
149 Backend *backend;
150 } backends[];
151
152 typedef struct {
153 /* Basic options */
154 char host[512];
155 int port;
156 enum { PROT_RAW, PROT_TELNET, PROT_RLOGIN, PROT_SSH } protocol;
157 int close_on_exit;
158 int warn_on_close;
159 int ping_interval; /* in seconds */
160 /* SSH options */
161 char remote_cmd[512];
162 int nopty;
163 int compression;
164 int agentfwd;
165 enum { CIPHER_3DES, CIPHER_BLOWFISH, CIPHER_DES } cipher;
166 char keyfile[FILENAME_MAX];
167 int sshprot; /* use v1 or v2 when both available */
168 int buggymac; /* MAC bug commmercial <=v2.3.x SSH2 */
169 int try_tis_auth;
170 /* Telnet options */
171 char termtype[32];
172 char termspeed[32];
173 char environmt[1024]; /* VAR\tvalue\0VAR\tvalue\0\0 */
174 char username[32];
175 char localusername[32];
176 int rfc_environ;
177 /* Keyboard options */
178 int bksp_is_delete;
179 int rxvt_homeend;
180 int funky_type;
181 int no_applic_c; /* totally disable app cursor keys */
182 int no_applic_k; /* totally disable app keypad */
183 int app_cursor;
184 int app_keypad;
185 int nethack_keypad;
186 int alt_f4; /* is it special? */
187 int alt_space; /* is it special? */
188 int alt_only; /* is it special? */
189 int localecho;
190 int localedit;
191 int alwaysontop;
192 int scroll_on_key;
193 int scroll_on_disp;
194 int compose_key;
195 char wintitle[256]; /* initial window title */
196 /* Terminal options */
197 int savelines;
198 int dec_om;
199 int wrap_mode;
200 int lfhascr;
201 int cursor_type; /* 0=block 1=underline 2=vertical */
202 int blink_cur;
203 int beep;
204 int scrollbar;
205 int locksize;
206 int bce;
207 int blinktext;
208 int win_name_always;
209 int width, height;
210 char font[64];
211 int fontisbold;
212 int fontheight;
213 int fontcharset;
214 char logfilename[FILENAME_MAX];
215 int logtype;
216 int hide_mouseptr;
217 /* Colour options */
218 int try_palette;
219 int bold_colour;
220 unsigned char colours[22][3];
221 /* Selection options */
222 int mouse_is_xterm;
223 short wordness[256];
224 /* translations */
225 VT_Mode vtmode;
226 int xlat_enablekoiwin;
227 int xlat_88592w1250;
228 int xlat_88592cp852;
229 int xlat_capslockcyr;
230 /* X11 forwarding */
231 int x11_forward;
232 char x11_display[128];
233 } Config;
234
235 /*
236 * You can compile with -DSSH_DEFAULT to have ssh by default.
237 */
238 #ifndef SSH_DEFAULT
239 #define DEFAULT_PROTOCOL PROT_TELNET
240 #define DEFAULT_PORT 23
241 #else
242 #define DEFAULT_PROTOCOL PROT_SSH
243 #define DEFAULT_PORT 22
244 #endif
245
246 /*
247 * Some global flags denoting the type of application.
248 *
249 * FLAG_VERBOSE is set when the user requests verbose details.
250 *
251 * FLAG_STDERR is set in command-line applications (which have a
252 * functioning stderr that it makes sense to write to) and not in
253 * GUI applications (which don't).
254 *
255 * FLAG_INTERACTIVE is set when a full interactive shell session is
256 * being run, _either_ because no remote command has been provided
257 * _or_ because the application is GUI and can't run non-
258 * interactively.
259 */
260 #define FLAG_VERBOSE 0x0001
261 #define FLAG_STDERR 0x0002
262 #define FLAG_INTERACTIVE 0x0004
263 GLOBAL int flags;
264
265 GLOBAL Config cfg;
266 GLOBAL int default_protocol;
267 GLOBAL int default_port;
268
269 struct RSAKey; /* be a little careful of scope */
270
271 /*
272 * Exports from window.c.
273 */
274 void request_resize (int, int, int);
275 void do_text (Context, int, int, char *, int, unsigned long, int);
276 void set_title (char *);
277 void set_icon (char *);
278 void set_sbar (int, int, int);
279 Context get_ctx(void);
280 void free_ctx (Context);
281 void palette_set (int, int, int, int);
282 void palette_reset (void);
283 void write_clip (void *, int, int);
284 void get_clip (void **, int *);
285 void optimised_move (int, int, int);
286 void connection_fatal(char *, ...);
287 void fatalbox (char *, ...);
288 void beep (int);
289 void begin_session(void);
290 void sys_cursor(int x, int y);
291 #define OPTIMISE_IS_SCROLL 1
292
293 /*
294 * Exports from noise.c.
295 */
296 void noise_get_heavy(void (*func)(void *, int));
297 void noise_get_light(void (*func)(void *, int));
298 void noise_regular(void);
299 void noise_ultralight(DWORD data);
300 void random_save_seed(void);
301 void random_destroy_seed(void);
302
303 /*
304 * Exports from windlg.c.
305 */
306 void defuse_showwindow(void);
307 int do_config (void);
308 int do_reconfig (HWND);
309 void do_defaults (char *, Config *);
310 void logevent (char *);
311 void showeventlog (HWND);
312 void showabout (HWND);
313 void verify_ssh_host_key(char *host, int port, char *keytype,
314 char *keystr, char *fingerprint);
315 int askappend(char *filename);
316 void registry_cleanup(void);
317 void force_normal(HWND hwnd);
318
319 GLOBAL int nsessions;
320 GLOBAL char **sessions;
321
322 /*
323 * Exports from settings.c.
324 */
325 void save_settings (char *section, int do_host, Config *cfg);
326 void load_settings (char *section, int do_host, Config *cfg);
327 void get_sesslist(int allocate);
328
329 /*
330 * Exports from terminal.c.
331 */
332
333 void term_init (void);
334 void term_size (int, int, int);
335 void term_out (void);
336 void term_paint (Context, int, int, int, int);
337 void term_scroll (int, int);
338 void term_pwron (void);
339 void term_clrsb (void);
340 void term_mouse (Mouse_Button, Mouse_Action, int, int);
341 void term_deselect (void);
342 void term_update (void);
343 void term_invalidate(void);
344 void term_blink(int set_cursor);
345 void term_paste(void);
346 void term_nopaste(void);
347 int telnet_ldisc(int option);
348 void from_backend(int is_stderr, char *data, int len);
349 void logfopen (void);
350 void logfclose (void);
351 void term_copyall(void);
352
353 /*
354 * Exports from raw.c.
355 */
356
357 extern Backend raw_backend;
358
359 /*
360 * Exports from rlogin.c.
361 */
362
363 extern Backend rlogin_backend;
364
365 /*
366 * Exports from telnet.c.
367 */
368
369 extern Backend telnet_backend;
370
371 /*
372 * Exports from ssh.c.
373 */
374
375 extern int (*ssh_get_password)(const char *prompt, char *str, int maxlen);
376 extern Backend ssh_backend;
377
378 /*
379 * Exports from ldisc.c.
380 */
381
382 extern void ldisc_send(char *buf, int len);
383
384 /*
385 * Exports from sshrand.c.
386 */
387
388 void random_add_noise(void *noise, int length);
389 void random_init(void);
390 int random_byte(void);
391 void random_get_savedata(void **data, int *len);
392
393 /*
394 * Exports from misc.c.
395 */
396
397 #include "puttymem.h"
398
399 /*
400 * Exports from version.c.
401 */
402 extern char ver[];
403
404 /*
405 * Exports from sizetip.c.
406 */
407 void UpdateSizeTip(HWND src, int cx, int cy);
408 void EnableSizeTip(int bEnable);
409
410 /*
411 * Exports from xlat.c.
412 */
413 unsigned char xlat_kbd2tty(unsigned char c);
414 unsigned char xlat_tty2scr(unsigned char c);
415 unsigned char xlat_latkbd2win(unsigned char c);
416
417 /*
418 * Exports from mscrypto.c
419 */
420 #ifdef MSCRYPTOAPI
421 int crypto_startup();
422 void crypto_wrapup();
423 #endif
424
425 /*
426 * Exports from pageantc.c
427 */
428 void agent_query(void *in, int inlen, void **out, int *outlen);
429 int agent_exists(void);
430
431 #ifdef DEBUG
432 void dprintf(char *fmt, ...);
433 #define debug(x) (dprintf x)
434 #else
435 #define debug(x)
436 #endif
437
438 #endif