Rationalised host key storage. Also started code reorg: persistent-state
[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 #define PUTTY_REG_PARENT "Software\\SimonTatham"
6 #define PUTTY_REG_PARENT_CHILD "PuTTY"
7 #define PUTTY_REG_GPARENT "Software"
8 #define PUTTY_REG_GPARENT_CHILD "SimonTatham"
9
10 /*
11 * Global variables. Most modules declare these `extern', but
12 * window.c will do `#define PUTTY_DO_GLOBALS' before including this
13 * module, and so will get them properly defined.
14 */
15 #ifdef PUTTY_DO_GLOBALS
16 #define GLOBAL
17 #else
18 #define GLOBAL extern
19 #endif
20
21 GLOBAL HINSTANCE putty_inst;
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
28 #define LATTR_NORM 0x00000000UL
29 #define LATTR_WIDE 0x01000000UL
30 #define LATTR_TOP 0x02000000UL
31 #define LATTR_BOT 0x03000000UL
32 #define LATTR_MODE 0x03000000UL
33
34 #define ATTR_ASCII 0x00000000UL /* normal ASCII charset ESC ( B */
35 #define ATTR_GBCHR 0x00100000UL /* UK variant charset ESC ( A */
36 #define ATTR_LINEDRW 0x00200000UL /* line drawing charset ESC ( 0 */
37
38 #define ATTR_BOLD 0x00000100UL
39 #define ATTR_UNDER 0x00000200UL
40 #define ATTR_REVERSE 0x00000400UL
41 #define ATTR_BLINK 0x00000800UL
42 #define ATTR_FGMASK 0x0000F000UL
43 #define ATTR_BGMASK 0x000F0000UL
44 #define ATTR_FGSHIFT 12
45 #define ATTR_BGSHIFT 16
46
47 #define ATTR_DEFAULT 0x00098000UL
48 #define ATTR_DEFFG 0x00008000UL
49 #define ATTR_DEFBG 0x00090000UL
50 #define ATTR_CUR_XOR 0x000BA000UL
51 #define ERASE_CHAR (ATTR_DEFAULT | ' ')
52 #define ATTR_MASK 0xFFFFFF00UL
53 #define CHAR_MASK 0x000000FFUL
54
55 typedef HDC Context;
56 #define SEL_NL { 13, 10 }
57
58 GLOBAL int rows, cols, savelines;
59
60 GLOBAL int font_width, font_height;
61
62 #define c_write1(_C) do { if (inbuf_head >= INBUF_SIZE) term_out(); \
63 inbuf[inbuf_head++] = (_C) ; } while(0)
64 #define INBUF_SIZE 2048
65 GLOBAL unsigned char inbuf[INBUF_SIZE];
66 GLOBAL int inbuf_head;
67
68 #define OUTBUF_SIZE 2048
69 #define OUTBUF_MASK (OUTBUF_SIZE-1)
70 GLOBAL unsigned char outbuf[OUTBUF_SIZE];
71 GLOBAL int outbuf_head, outbuf_reap;
72
73 GLOBAL int has_focus;
74
75 GLOBAL int app_cursor_keys, app_keypad_keys, vt52_mode;
76 GLOBAL int repeat_off, cr_lf_return;
77
78 GLOBAL int seen_key_event;
79 GLOBAL int seen_disp_event;
80
81 GLOBAL int session_closed;
82
83 GLOBAL char *logfile;
84
85 /*
86 * I've just looked in the windows standard headr files for WM_USER, there
87 * are hundreds of flags defined using the form WM_USER+123 so I've
88 * renumbered this NETEVENT value and the two in window.c
89 */
90 #define WM_XUSER (WM_USER + 0x2000)
91 #define WM_NETEVENT (WM_XUSER + 5)
92
93 typedef enum {
94 TS_AYT, TS_BRK, TS_SYNCH, TS_EC, TS_EL, TS_GA, TS_NOP, TS_ABORT,
95 TS_AO, TS_IP, TS_SUSP, TS_EOR, TS_EOF, TS_LECHO, TS_RECHO
96 } Telnet_Special;
97
98 typedef enum {
99 MB_NOTHING, MB_SELECT, MB_EXTEND, MB_PASTE
100 } Mouse_Button;
101
102 typedef enum {
103 MA_NOTHING, MA_CLICK, MA_2CLK, MA_3CLK, MA_DRAG, MA_RELEASE
104 } Mouse_Action;
105
106 typedef enum {
107 VT_XWINDOWS, VT_OEMANSI, VT_OEMONLY, VT_POORMAN
108 } VT_Mode;
109
110 typedef struct {
111 char *(*init) (HWND hwnd, char *host, int port, char **realhost);
112 int (*msg) (WPARAM wParam, LPARAM lParam);
113 void (*send) (char *buf, int len);
114 void (*size) (void);
115 void (*special) (Telnet_Special code);
116 SOCKET (*socket) (void);
117 int (*sendok) (void);
118 } Backend;
119
120 GLOBAL Backend *back;
121
122 extern struct backend_list {
123 int protocol;
124 char *name;
125 Backend *backend;
126 } backends[];
127
128 typedef struct {
129 void (*send) (char *buf, int len);
130 } Ldisc;
131
132 GLOBAL Ldisc *ldisc;
133
134 typedef struct {
135 /* Basic options */
136 char host[512];
137 int port;
138 enum { PROT_RAW, PROT_TELNET, PROT_SSH } protocol;
139 int close_on_exit;
140 int warn_on_close;
141 /* SSH options */
142 char remote_cmd[512];
143 int nopty;
144 int agentfwd;
145 enum { CIPHER_3DES, CIPHER_BLOWFISH, CIPHER_DES } cipher;
146 char keyfile[FILENAME_MAX];
147 int sshprot; /* use v1 or v2 when both available */
148 int try_tis_auth;
149 /* Telnet options */
150 char termtype[32];
151 char termspeed[32];
152 char environmt[1024]; /* VAR\tvalue\0VAR\tvalue\0\0 */
153 char username[32];
154 int rfc_environ;
155 /* Keyboard options */
156 int bksp_is_delete;
157 int rxvt_homeend;
158 int funky_type;
159 int app_cursor;
160 int app_keypad;
161 int nethack_keypad;
162 int alt_f4; /* is it special? */
163 int alt_space; /* is it special? */
164 int ldisc_term;
165 int scroll_on_key;
166 /* Terminal options */
167 int savelines;
168 int dec_om;
169 int wrap_mode;
170 int lfhascr;
171 int blink_cur;
172 int beep;
173 int scrollbar;
174 int locksize;
175 int bce;
176 int blinktext;
177 int win_name_always;
178 int width, height;
179 char font[64];
180 int fontisbold;
181 int fontheight;
182 int fontcharset;
183 /* Colour options */
184 int try_palette;
185 int bold_colour;
186 unsigned char colours[22][3];
187 /* Selection options */
188 int mouse_is_xterm;
189 short wordness[256];
190 /* translations */
191 VT_Mode vtmode;
192 int xlat_enablekoiwin;
193 int xlat_88592w1250;
194 int xlat_capslockcyr;
195 } Config;
196
197 /*
198 * You can compile with -DSSH_DEFAULT to have ssh by default.
199 */
200 #ifndef SSH_DEFAULT
201 #define DEFAULT_PROTOCOL PROT_TELNET
202 #define DEFAULT_PORT 23
203 #else
204 #define DEFAULT_PROTOCOL PROT_SSH
205 #define DEFAULT_PORT 22
206 #endif
207
208 /*
209 * Some global flags denoting the type of application.
210 *
211 * FLAG_VERBOSE is set when the user requests verbose details.
212 *
213 * FLAG_STDERR is set in command-line applications (which have a
214 * functioning stderr that it makes sense to write to) and not in
215 * GUI applications (which don't).
216 *
217 * FLAG_INTERACTIVE is set when a full interactive shell session is
218 * being run, _either_ because no remote command has been provided
219 * _or_ because the application is GUI and can't run non-
220 * interactively.
221 */
222 #define FLAG_VERBOSE 0x0001
223 #define FLAG_STDERR 0x0002
224 #define FLAG_INTERACTIVE 0x0004
225 GLOBAL int flags;
226
227 GLOBAL Config cfg;
228 GLOBAL int default_protocol;
229 GLOBAL int default_port;
230
231 struct RSAKey; /* be a little careful of scope */
232
233 /*
234 * Exports from window.c.
235 */
236 void request_resize (int, int, int);
237 void do_text (Context, int, int, char *, int, unsigned long, int);
238 void set_title (char *);
239 void set_icon (char *);
240 void set_sbar (int, int, int);
241 Context get_ctx(void);
242 void free_ctx (Context);
243 void palette_set (int, int, int, int);
244 void palette_reset (void);
245 void write_clip (void *, int);
246 void get_clip (void **, int *);
247 void optimised_move (int, int, int);
248 void connection_fatal(char *, ...);
249 void fatalbox (char *, ...);
250 void beep (int);
251 void begin_session(void);
252 void sys_cursor(int x, int y);
253 #define OPTIMISE_IS_SCROLL 1
254
255 /*
256 * Exports from noise.c.
257 */
258 void noise_get_heavy(void (*func) (void *, int));
259 void noise_get_light(void (*func) (void *, int));
260 void noise_ultralight(DWORD data);
261 void random_save_seed(void);
262 void random_destroy_seed(void);
263
264 /*
265 * Exports from windlg.c.
266 */
267 int do_config (void);
268 int do_reconfig (HWND);
269 void do_defaults (char *);
270 void logevent (char *);
271 void showeventlog (HWND);
272 void showabout (HWND);
273 void verify_ssh_host_key(char *host, char *keytype,
274 char *keystr, char *fingerprint);
275 void get_sesslist(int allocate);
276 void registry_cleanup(void);
277
278 GLOBAL int nsessions;
279 GLOBAL char **sessions;
280
281 /*
282 * Exports from terminal.c.
283 */
284
285 void term_init (void);
286 void term_size (int, int, int);
287 void term_out (void);
288 void term_paint (Context, int, int, int, int);
289 void term_scroll (int, int);
290 void term_pwron (void);
291 void term_clrsb (void);
292 void term_mouse (Mouse_Button, Mouse_Action, int, int);
293 void term_deselect (void);
294 void term_update (void);
295 void term_invalidate(void);
296 void term_blink(int set_cursor);
297 void term_paste(void);
298 void term_nopaste(void);
299
300 /*
301 * Exports from raw.c.
302 */
303
304 extern Backend raw_backend;
305
306 /*
307 * Exports from telnet.c.
308 */
309
310 extern Backend telnet_backend;
311
312 /*
313 * Exports from ssh.c.
314 */
315
316 extern int (*ssh_get_password)(const char *prompt, char *str, int maxlen);
317 extern Backend ssh_backend;
318
319 /*
320 * Exports from ldisc.c.
321 */
322
323 extern Ldisc ldisc_term, ldisc_simple;
324
325 /*
326 * Exports from sshrand.c.
327 */
328
329 void random_add_noise(void *noise, int length);
330 void random_init(void);
331 int random_byte(void);
332 void random_get_savedata(void **data, int *len);
333
334 /*
335 * Exports from misc.c.
336 */
337
338 /* #define MALLOC_LOG do this if you suspect putty of leaking memory */
339 #ifdef MALLOC_LOG
340 #define smalloc(z) (mlog(__FILE__,__LINE__), safemalloc(z))
341 #define srealloc(y,z) (mlog(__FILE__,__LINE__), saferealloc(y,z))
342 #define sfree(z) (mlog(__FILE__,__LINE__), safefree(z))
343 void mlog(char *, int);
344 #else
345 #define smalloc safemalloc
346 #define srealloc saferealloc
347 #define sfree safefree
348 #endif
349
350 void *safemalloc(size_t);
351 void *saferealloc(void *, size_t);
352 void safefree(void *);
353
354 /*
355 * Exports from version.c.
356 */
357 extern char ver[];
358
359 /*
360 * Exports from sizetip.c.
361 */
362 void UpdateSizeTip(HWND src, int cx, int cy);
363 void EnableSizeTip(int bEnable);
364
365 /*
366 * Exports from xlat.c.
367 */
368 unsigned char xlat_kbd2tty(unsigned char c);
369 unsigned char xlat_tty2scr(unsigned char c);
370 unsigned char xlat_latkbd2win(unsigned char c);
371
372 /*
373 * Exports from mscrypto.c
374 */
375 #ifdef MSCRYPTOAPI
376 int crypto_startup();
377 void crypto_wrapup();
378 #endif
379
380 /*
381 * Exports from pageantc.c
382 */
383 void agent_query(void *in, int inlen, void **out, int *outlen);
384 int agent_exists(void);
385
386 /*
387 * A debug system.
388 */
389 #ifdef DEBUG
390 #include <stdarg.h>
391 #define debug(x) (dprintf x)
392 static void dprintf(char *fmt, ...) {
393 char buf[2048];
394 DWORD dw;
395 va_list ap;
396 static int gotconsole = 0;
397
398 if (!gotconsole) {
399 AllocConsole();
400 gotconsole = 1;
401 }
402
403 va_start(ap, fmt);
404 vsprintf(buf, fmt, ap);
405 WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), buf, strlen(buf), &dw, NULL);
406 va_end(ap);
407 }
408 #else
409 #define debug(x)
410 #endif
411
412 #endif