Fix the SSH protocol version exchange, which had a weird stack trash
[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 enum {
134 /*
135 * Close On Exit behaviours. (cfg.close_on_exit)
136 */
137 COE_NEVER, /* Never close the window */
138 COE_NORMAL, /* Close window on "normal" (non-error) exits only */
139 COE_ALWAYS /* Always close the window */
140 };
141
142 typedef struct {
143 char *(*init) (char *host, int port, char **realhost);
144 void (*send) (char *buf, int len);
145 void (*size) (void);
146 void (*special) (Telnet_Special code);
147 Socket (*socket) (void);
148 int (*sendok) (void);
149 int (*ldisc) (int);
150 int default_port;
151 } Backend;
152
153 GLOBAL Backend *back;
154
155 extern struct backend_list {
156 int protocol;
157 char *name;
158 Backend *backend;
159 } backends[];
160
161 typedef struct {
162 /* Basic options */
163 char host[512];
164 int port;
165 enum { PROT_RAW, PROT_TELNET, PROT_RLOGIN, PROT_SSH } protocol;
166 int close_on_exit;
167 int warn_on_close;
168 int ping_interval; /* in seconds */
169 /* SSH options */
170 char remote_cmd[512];
171 char *remote_cmd_ptr; /* might point to a larger command
172 * but never for loading/saving */
173 int nopty;
174 int compression;
175 int agentfwd;
176 enum { CIPHER_3DES, CIPHER_BLOWFISH, CIPHER_DES, CIPHER_AES } cipher;
177 char keyfile[FILENAME_MAX];
178 int sshprot; /* use v1 or v2 when both available */
179 int buggymac; /* MAC bug commmercial <=v2.3.x SSH2 */
180 int try_tis_auth;
181 int ssh_subsys; /* run a subsystem rather than a command */
182 /* Telnet options */
183 char termtype[32];
184 char termspeed[32];
185 char environmt[1024]; /* VAR\tvalue\0VAR\tvalue\0\0 */
186 char username[32];
187 char localusername[32];
188 int rfc_environ;
189 /* Keyboard options */
190 int bksp_is_delete;
191 int rxvt_homeend;
192 int funky_type;
193 int no_applic_c; /* totally disable app cursor keys */
194 int no_applic_k; /* totally disable app keypad */
195 int app_cursor;
196 int app_keypad;
197 int nethack_keypad;
198 int alt_f4; /* is it special? */
199 int alt_space; /* is it special? */
200 int alt_only; /* is it special? */
201 int localecho;
202 int localedit;
203 int alwaysontop;
204 int scroll_on_key;
205 int scroll_on_disp;
206 int compose_key;
207 char wintitle[256]; /* initial window title */
208 /* Terminal options */
209 int savelines;
210 int dec_om;
211 int wrap_mode;
212 int lfhascr;
213 int cursor_type; /* 0=block 1=underline 2=vertical */
214 int blink_cur;
215 int beep;
216 int scrollbar;
217 int locksize;
218 int bce;
219 int blinktext;
220 int win_name_always;
221 int width, height;
222 char font[64];
223 int fontisbold;
224 int fontheight;
225 int fontcharset;
226 char logfilename[FILENAME_MAX];
227 int logtype;
228 int hide_mouseptr;
229 /* Colour options */
230 int try_palette;
231 int bold_colour;
232 unsigned char colours[22][3];
233 /* Selection options */
234 int mouse_is_xterm;
235 short wordness[256];
236 /* translations */
237 VT_Mode vtmode;
238 int xlat_enablekoiwin;
239 int xlat_88592w1250;
240 int xlat_88592cp852;
241 int xlat_capslockcyr;
242 /* X11 forwarding */
243 int x11_forward;
244 char x11_display[128];
245 } Config;
246
247 /*
248 * You can compile with -DSSH_DEFAULT to have ssh by default.
249 */
250 #ifndef SSH_DEFAULT
251 #define DEFAULT_PROTOCOL PROT_TELNET
252 #define DEFAULT_PORT 23
253 #else
254 #define DEFAULT_PROTOCOL PROT_SSH
255 #define DEFAULT_PORT 22
256 #endif
257
258 /*
259 * Some global flags denoting the type of application.
260 *
261 * FLAG_VERBOSE is set when the user requests verbose details.
262 *
263 * FLAG_STDERR is set in command-line applications (which have a
264 * functioning stderr that it makes sense to write to) and not in
265 * GUI applications (which don't).
266 *
267 * FLAG_INTERACTIVE is set when a full interactive shell session is
268 * being run, _either_ because no remote command has been provided
269 * _or_ because the application is GUI and can't run non-
270 * interactively.
271 */
272 #define FLAG_VERBOSE 0x0001
273 #define FLAG_STDERR 0x0002
274 #define FLAG_INTERACTIVE 0x0004
275 GLOBAL int flags;
276
277 GLOBAL Config cfg;
278 GLOBAL int default_protocol;
279 GLOBAL int default_port;
280
281 struct RSAKey; /* be a little careful of scope */
282
283 /*
284 * Exports from window.c.
285 */
286 void request_resize (int, int, int);
287 void do_text (Context, int, int, char *, int, unsigned long, int);
288 void set_title (char *);
289 void set_icon (char *);
290 void set_sbar (int, int, int);
291 Context get_ctx(void);
292 void free_ctx (Context);
293 void palette_set (int, int, int, int);
294 void palette_reset (void);
295 void write_clip (void *, int, int);
296 void get_clip (void **, int *);
297 void optimised_move (int, int, int);
298 void connection_fatal(char *, ...);
299 void fatalbox (char *, ...);
300 void beep (int);
301 void begin_session(void);
302 void sys_cursor(int x, int y);
303 #define OPTIMISE_IS_SCROLL 1
304
305 /*
306 * Exports from noise.c.
307 */
308 void noise_get_heavy(void (*func)(void *, int));
309 void noise_get_light(void (*func)(void *, int));
310 void noise_regular(void);
311 void noise_ultralight(DWORD data);
312 void random_save_seed(void);
313 void random_destroy_seed(void);
314
315 /*
316 * Exports from windlg.c.
317 */
318 void defuse_showwindow(void);
319 int do_config (void);
320 int do_reconfig (HWND);
321 void do_defaults (char *, Config *);
322 void logevent (char *);
323 void showeventlog (HWND);
324 void showabout (HWND);
325 void verify_ssh_host_key(char *host, int port, char *keytype,
326 char *keystr, char *fingerprint);
327 int askappend(char *filename);
328 void registry_cleanup(void);
329 void force_normal(HWND hwnd);
330
331 GLOBAL int nsessions;
332 GLOBAL char **sessions;
333
334 /*
335 * Exports from settings.c.
336 */
337 void save_settings (char *section, int do_host, Config *cfg);
338 void load_settings (char *section, int do_host, Config *cfg);
339 void get_sesslist(int allocate);
340
341 /*
342 * Exports from terminal.c.
343 */
344
345 void term_init (void);
346 void term_size (int, int, int);
347 void term_out (void);
348 void term_paint (Context, int, int, int, int);
349 void term_scroll (int, int);
350 void term_pwron (void);
351 void term_clrsb (void);
352 void term_mouse (Mouse_Button, Mouse_Action, int, int);
353 void term_deselect (void);
354 void term_update (void);
355 void term_invalidate(void);
356 void term_blink(int set_cursor);
357 void term_paste(void);
358 void term_nopaste(void);
359 int term_ldisc(int option);
360 void from_backend(int is_stderr, char *data, int len);
361 void logfopen (void);
362 void logfclose (void);
363 void term_copyall(void);
364
365 /*
366 * Exports from raw.c.
367 */
368
369 extern Backend raw_backend;
370
371 /*
372 * Exports from rlogin.c.
373 */
374
375 extern Backend rlogin_backend;
376
377 /*
378 * Exports from telnet.c.
379 */
380
381 extern Backend telnet_backend;
382
383 /*
384 * Exports from ssh.c.
385 */
386
387 extern int (*ssh_get_line)(const char *prompt, char *str, int maxlen,
388 int is_pw);
389 extern Backend ssh_backend;
390
391 /*
392 * Exports from ldisc.c.
393 */
394
395 extern void ldisc_send(char *buf, int len);
396
397 /*
398 * Exports from sshrand.c.
399 */
400
401 void random_add_noise(void *noise, int length);
402 void random_init(void);
403 int random_byte(void);
404 void random_get_savedata(void **data, int *len);
405
406 /*
407 * Exports from misc.c.
408 */
409
410 #include "puttymem.h"
411
412 /*
413 * Exports from version.c.
414 */
415 extern char ver[];
416
417 /*
418 * Exports from sizetip.c.
419 */
420 void UpdateSizeTip(HWND src, int cx, int cy);
421 void EnableSizeTip(int bEnable);
422
423 /*
424 * Exports from xlat.c.
425 */
426 unsigned char xlat_kbd2tty(unsigned char c);
427 unsigned char xlat_tty2scr(unsigned char c);
428 unsigned char xlat_latkbd2win(unsigned char c);
429
430 /*
431 * Exports from mscrypto.c
432 */
433 #ifdef MSCRYPTOAPI
434 int crypto_startup();
435 void crypto_wrapup();
436 #endif
437
438 /*
439 * Exports from pageantc.c
440 */
441 void agent_query(void *in, int inlen, void **out, int *outlen);
442 int agent_exists(void);
443
444 #ifdef DEBUG
445 void dprintf(char *fmt, ...);
446 #define debug(x) (dprintf x)
447 #else
448 #define debug(x)
449 #endif
450
451 #endif