Prevent network errors from summarily closing the window when CoE is off
[u/mdw/putty] / putty.h
1 #ifndef PUTTY_PUTTY_H
2 #define PUTTY_PUTTY_H
3
4 #define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
5
6 /*
7 * Global variables. Most modules declare these `extern', but
8 * window.c will do `#define PUTTY_DO_GLOBALS' before including this
9 * module, and so will get them properly defined.
10 */
11 #ifdef PUTTY_DO_GLOBALS
12 #define GLOBAL
13 #else
14 #define GLOBAL extern
15 #endif
16
17 GLOBAL HINSTANCE putty_inst;
18
19 #define ATTR_ACTCURS 0x80000000UL /* active cursor (block) */
20 #define ATTR_PASCURS 0x40000000UL /* passive cursor (box) */
21 #define ATTR_INVALID 0x20000000UL
22 #define ATTR_WRAPPED 0x10000000UL
23
24 #define LATTR_NORM 0x00000000UL
25 #define LATTR_WIDE 0x01000000UL
26 #define LATTR_TOP 0x02000000UL
27 #define LATTR_BOT 0x03000000UL
28 #define LATTR_MODE 0x03000000UL
29
30 #define ATTR_ASCII 0x00000000UL /* normal ASCII charset ESC ( B */
31 #define ATTR_GBCHR 0x00100000UL /* UK variant charset ESC ( A */
32 #define ATTR_LINEDRW 0x00200000UL /* line drawing charset ESC ( 0 */
33
34 #define ATTR_BOLD 0x00000100UL
35 #define ATTR_UNDER 0x00000200UL
36 #define ATTR_REVERSE 0x00000400UL
37 #define ATTR_BLINK 0x00000800UL
38 #define ATTR_FGMASK 0x0000F000UL
39 #define ATTR_BGMASK 0x000F0000UL
40 #define ATTR_FGSHIFT 12
41 #define ATTR_BGSHIFT 16
42
43 #define ATTR_DEFAULT 0x00098000UL
44 #define ATTR_DEFFG 0x00008000UL
45 #define ATTR_DEFBG 0x00090000UL
46 #define ATTR_CUR_XOR 0x000BA000UL
47 #define ERASE_CHAR (ATTR_DEFAULT | ' ')
48 #define ATTR_MASK 0xFFFFFF00UL
49 #define CHAR_MASK 0x000000FFUL
50
51 typedef HDC Context;
52 #define SEL_NL { 13, 10 }
53
54 GLOBAL int rows, cols, savelines;
55
56 GLOBAL int font_width, font_height;
57
58 #define c_write1(_C) do { if (inbuf_head >= INBUF_SIZE) term_out(); \
59 inbuf[inbuf_head++] = (_C) ; } while(0)
60 #define INBUF_SIZE 2048
61 GLOBAL unsigned char inbuf[INBUF_SIZE];
62 GLOBAL int inbuf_head;
63
64 #define OUTBUF_SIZE 2048
65 #define OUTBUF_MASK (OUTBUF_SIZE-1)
66 GLOBAL unsigned char outbuf[OUTBUF_SIZE];
67 GLOBAL int outbuf_head, outbuf_reap;
68
69 GLOBAL int has_focus;
70
71 GLOBAL int app_cursor_keys, app_keypad_keys, vt52_mode;
72 GLOBAL int repeat_off, cr_lf_return;
73
74 GLOBAL int seen_key_event;
75 GLOBAL int seen_disp_event;
76
77 GLOBAL int session_closed;
78
79 GLOBAL char *logfile;
80
81 /*
82 * I've just looked in the windows standard headr files for WM_USER, there
83 * are hundreds of flags defined using the form WM_USER+123 so I've
84 * renumbered this NETEVENT value and the two in window.c
85 */
86 #define WM_XUSER (WM_USER + 0x2000)
87 #define WM_NETEVENT (WM_XUSER + 5)
88
89 typedef enum {
90 TS_AYT, TS_BRK, TS_SYNCH, TS_EC, TS_EL, TS_GA, TS_NOP, TS_ABORT,
91 TS_AO, TS_IP, TS_SUSP, TS_EOR, TS_EOF, TS_LECHO, TS_RECHO
92 } Telnet_Special;
93
94 typedef enum {
95 MB_NOTHING, MB_SELECT, MB_EXTEND, MB_PASTE
96 } Mouse_Button;
97
98 typedef enum {
99 MA_NOTHING, MA_CLICK, MA_2CLK, MA_3CLK, MA_DRAG, MA_RELEASE
100 } Mouse_Action;
101
102 typedef enum {
103 VT_XWINDOWS, VT_OEMANSI, VT_OEMONLY, VT_POORMAN
104 } VT_Mode;
105
106 typedef struct {
107 char *(*init) (HWND hwnd, char *host, int port, char **realhost);
108 int (*msg) (WPARAM wParam, LPARAM lParam);
109 void (*send) (char *buf, int len);
110 void (*size) (void);
111 void (*special) (Telnet_Special code);
112 SOCKET (*socket) (void);
113 int (*sendok) (void);
114 } Backend;
115
116 GLOBAL Backend *back;
117
118 extern struct backend_list {
119 int protocol;
120 char *name;
121 Backend *backend;
122 } backends[];
123
124 typedef struct {
125 void (*send) (char *buf, int len);
126 } Ldisc;
127
128 GLOBAL Ldisc *ldisc;
129
130 typedef struct {
131 /* Basic options */
132 char host[512];
133 int port;
134 enum { PROT_RAW, PROT_TELNET, PROT_SSH } protocol;
135 int close_on_exit;
136 int warn_on_close;
137 /* SSH options */
138 char remote_cmd[512];
139 int nopty;
140 int agentfwd;
141 enum { CIPHER_3DES, CIPHER_BLOWFISH, CIPHER_DES } cipher;
142 char keyfile[FILENAME_MAX];
143 int sshprot; /* use v1 or v2 when both available */
144 int try_tis_auth;
145 /* Telnet options */
146 char termtype[32];
147 char termspeed[32];
148 char environmt[1024]; /* VAR\tvalue\0VAR\tvalue\0\0 */
149 char username[32];
150 int rfc_environ;
151 /* Keyboard options */
152 int bksp_is_delete;
153 int rxvt_homeend;
154 int funky_type;
155 int app_cursor;
156 int app_keypad;
157 int nethack_keypad;
158 int alt_f4; /* is it special? */
159 int alt_space; /* is it special? */
160 int ldisc_term;
161 int scroll_on_key;
162 /* Terminal options */
163 int savelines;
164 int dec_om;
165 int wrap_mode;
166 int lfhascr;
167 int blink_cur;
168 int beep;
169 int scrollbar;
170 int locksize;
171 int bce;
172 int blinktext;
173 int win_name_always;
174 int width, height;
175 char font[64];
176 int fontisbold;
177 int fontheight;
178 int fontcharset;
179 /* Colour options */
180 int try_palette;
181 int bold_colour;
182 unsigned char colours[22][3];
183 /* Selection options */
184 int mouse_is_xterm;
185 short wordness[256];
186 /* translations */
187 VT_Mode vtmode;
188 int xlat_enablekoiwin;
189 int xlat_88592w1250;
190 int xlat_capslockcyr;
191 } Config;
192
193 /*
194 * You can compile with -DSSH_DEFAULT to have ssh by default.
195 */
196 #ifndef SSH_DEFAULT
197 #define DEFAULT_PROTOCOL PROT_TELNET
198 #define DEFAULT_PORT 23
199 #else
200 #define DEFAULT_PROTOCOL PROT_SSH
201 #define DEFAULT_PORT 22
202 #endif
203
204 /*
205 * Some global flags denoting the type of application.
206 *
207 * FLAG_VERBOSE is set when the user requests verbose details.
208 *
209 * FLAG_STDERR is set in command-line applications (which have a
210 * functioning stderr that it makes sense to write to) and not in
211 * GUI applications (which don't).
212 *
213 * FLAG_INTERACTIVE is set when a full interactive shell session is
214 * being run, _either_ because no remote command has been provided
215 * _or_ because the application is GUI and can't run non-
216 * interactively.
217 */
218 #define FLAG_VERBOSE 0x0001
219 #define FLAG_STDERR 0x0002
220 #define FLAG_INTERACTIVE 0x0004
221 GLOBAL int flags;
222
223 GLOBAL Config cfg;
224 GLOBAL int default_protocol;
225 GLOBAL int default_port;
226
227 struct RSAKey; /* be a little careful of scope */
228
229 /*
230 * Exports from window.c.
231 */
232 void request_resize (int, int, int);
233 void do_text (Context, int, int, char *, int, unsigned long, int);
234 void set_title (char *);
235 void set_icon (char *);
236 void set_sbar (int, int, int);
237 Context get_ctx(void);
238 void free_ctx (Context);
239 void palette_set (int, int, int, int);
240 void palette_reset (void);
241 void write_clip (void *, int);
242 void get_clip (void **, int *);
243 void optimised_move (int, int, int);
244 void connection_fatal(char *, ...);
245 void fatalbox (char *, ...);
246 void beep (int);
247 #define OPTIMISE_IS_SCROLL 1
248
249 /*
250 * Exports from noise.c.
251 */
252 void noise_get_heavy(void (*func) (void *, int));
253 void noise_get_light(void (*func) (void *, int));
254 void noise_ultralight(DWORD data);
255 void random_save_seed(void);
256
257 /*
258 * Exports from windlg.c.
259 */
260 int do_config (void);
261 int do_reconfig (HWND);
262 void do_defaults (char *);
263 void logevent (char *);
264 void showeventlog (HWND);
265 void showabout (HWND);
266 void verify_ssh_host_key(char *host, char *keystr);
267 void get_sesslist(int allocate);
268
269 GLOBAL int nsessions;
270 GLOBAL char **sessions;
271
272 /*
273 * Exports from terminal.c.
274 */
275
276 void term_init (void);
277 void term_size (int, int, int);
278 void term_out (void);
279 void term_paint (Context, int, int, int, int);
280 void term_scroll (int, int);
281 void term_pwron (void);
282 void term_clrsb (void);
283 void term_mouse (Mouse_Button, Mouse_Action, int, int);
284 void term_deselect (void);
285 void term_update (void);
286 void term_invalidate(void);
287 void term_blink(int set_cursor);
288 void term_paste(void);
289 void term_nopaste(void);
290
291 /*
292 * Exports from raw.c.
293 */
294
295 extern Backend raw_backend;
296
297 /*
298 * Exports from telnet.c.
299 */
300
301 extern Backend telnet_backend;
302
303 /*
304 * Exports from ssh.c.
305 */
306
307 extern int (*ssh_get_password)(const char *prompt, char *str, int maxlen);
308 extern Backend ssh_backend;
309
310 /*
311 * Exports from ldisc.c.
312 */
313
314 extern Ldisc ldisc_term, ldisc_simple;
315
316 /*
317 * Exports from sshrand.c.
318 */
319
320 void random_add_noise(void *noise, int length);
321 void random_init(void);
322 int random_byte(void);
323 void random_get_savedata(void **data, int *len);
324
325 /*
326 * Exports from misc.c.
327 */
328
329 /* #define MALLOC_LOG do this if you suspect putty of leaking memory */
330 #ifdef MALLOC_LOG
331 #define smalloc(z) (mlog(__FILE__,__LINE__), safemalloc(z))
332 #define srealloc(y,z) (mlog(__FILE__,__LINE__), saferealloc(y,z))
333 #define sfree(z) (mlog(__FILE__,__LINE__), safefree(z))
334 void mlog(char *, int);
335 #else
336 #define smalloc safemalloc
337 #define srealloc saferealloc
338 #define sfree safefree
339 #endif
340
341 void *safemalloc(size_t);
342 void *saferealloc(void *, size_t);
343 void safefree(void *);
344
345 /*
346 * Exports from version.c.
347 */
348 extern char ver[];
349
350 /*
351 * Exports from sizetip.c.
352 */
353 void UpdateSizeTip(HWND src, int cx, int cy);
354 void EnableSizeTip(int bEnable);
355
356 /*
357 * Exports from xlat.c.
358 */
359 unsigned char xlat_kbd2tty(unsigned char c);
360 unsigned char xlat_tty2scr(unsigned char c);
361 unsigned char xlat_latkbd2win(unsigned char c);
362
363 /*
364 * Exports from mscrypto.c
365 */
366 #ifdef MSCRYPTOAPI
367 int crypto_startup();
368 void crypto_wrapup();
369 #endif
370
371 /*
372 * Exports from pageantc.c
373 */
374 void agent_query(void *in, int inlen, void **out, int *outlen);
375 int agent_exists(void);
376
377 /*
378 * A debug system.
379 */
380 #ifdef DEBUG
381 #include <stdarg.h>
382 #define debug(x) (dprintf x)
383 static void dprintf(char *fmt, ...) {
384 char buf[2048];
385 DWORD dw;
386 va_list ap;
387 static int gotconsole = 0;
388
389 if (!gotconsole) {
390 AllocConsole();
391 gotconsole = 1;
392 }
393
394 va_start(ap, fmt);
395 vsprintf(buf, fmt, ap);
396 WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), buf, strlen(buf), &dw, NULL);
397 va_end(ap);
398 }
399 #else
400 #define debug(x)
401 #endif
402
403 #endif