git.distorted.org.uk Git - u/mdw/putty/blob - putty.h

   1 #ifndef PUTTY_PUTTY_H
   2 #define PUTTY_PUTTY_H
   3
   4 #include <stdio.h>                     /* for FILENAME_MAX */
   5
   6 #include "network.h"
   7
   8 #define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
   9 #define PUTTY_REG_PARENT "Software\\SimonTatham"
  10 #define PUTTY_REG_PARENT_CHILD "PuTTY"
  11 #define PUTTY_REG_GPARENT "Software"
  12 #define PUTTY_REG_GPARENT_CHILD "SimonTatham"
  13
  14 /*
  15  * Global variables. Most modules declare these `extern', but
  16  * window.c will do `#define PUTTY_DO_GLOBALS' before including this
  17  * module, and so will get them properly defined.
  18  */
  19 #ifdef PUTTY_DO_GLOBALS
  20 #define GLOBAL
  21 #else
  22 #define GLOBAL extern
  23 #endif
  24
  25 /* Three attribute types:
  26  * The ATTRs (normal attributes) are stored with the characters in the main
  27  * display arrays
  28  *
  29  * The TATTRs (temporary attributes) are generated on the fly, they can overlap
  30  * with characters but not with normal attributes.
  31  *
  32  * The LATTRs (line attributes) conflict with no others and only have one
  33  * value per line. But on area clears the LATTR cells are set to the erase_char
  34  * (or DEFAULT_ATTR + 'E')
  35  *
  36  * ATTR_INVALID is an illegal colour combination.
  37  */
  38
  39 #define TATTR_ACTCURS       0x4UL      /* active cursor (block) */
  40 #define TATTR_PASCURS       0x2UL      /* passive cursor (box) */
  41 #define TATTR_RIGHTCURS     0x1UL      /* cursor-on-RHS */
  42
  43 #define LATTR_NORM   0x00000000UL
  44 #define LATTR_WIDE   0x01000000UL
  45 #define LATTR_TOP    0x02000000UL
  46 #define LATTR_BOT    0x03000000UL
  47 #define LATTR_MODE   0x03000000UL
  48 #define LATTR_WRAPPED 0x10000000UL
  49
  50 #define ATTR_INVALID 0x00FF0000UL
  51
  52 /* Like Linux use the F000 page for direct to font. */
  53 #define ATTR_OEMCP   0x0000F000UL      /* OEM Codepage DTF */
  54 #define ATTR_ACP     0x0000F100UL      /* Ansi Codepage DTF */
  55
  56 /* These are internal use overlapping with the UTF-16 surrogates */
  57 #define ATTR_ASCII   0x0000D800UL      /* normal ASCII charset ESC ( B */
  58 #define ATTR_LINEDRW 0x0000D900UL      /* line drawing charset ESC ( 0 */
  59 #define ATTR_SCOACS  0x0000DA00UL      /* SCO Alternate charset */
  60 #define ATTR_GBCHR   0x0000DB00UL      /* UK variant   charset ESC ( A */
  61 #define CSET_MASK    0x0000FF00UL      /* Character set mask; MUST be 0xFF00 */
  62
  63 #define DIRECT_CHAR(c) ((c&0xFC00)==0xD800)
  64 #define DIRECT_FONT(c) ((c&0xFE00)==0xF000)
  65
  66 #define UCSERR       (ATTR_LINEDRW|'a') /* UCS Format error character. */
  67 #define UCSWIDE      0x303F
  68
  69 #define ATTR_WIDE    0x10000000UL
  70 #define ATTR_BOLD    0x01000000UL
  71 #define ATTR_UNDER   0x02000000UL
  72 #define ATTR_REVERSE 0x04000000UL
  73 #define ATTR_BLINK   0x08000000UL
  74 #define ATTR_FGMASK  0x000F0000UL
  75 #define ATTR_BGMASK  0x00F00000UL
  76 #define ATTR_COLOURS 0x00FF0000UL
  77 #define ATTR_FGSHIFT 16
  78 #define ATTR_BGSHIFT 20
  79
  80 #define ATTR_DEFAULT 0x00980000UL
  81 #define ATTR_DEFFG   0x00080000UL
  82 #define ATTR_DEFBG   0x00900000UL
  83 #define ERASE_CHAR   (ATTR_DEFAULT | ATTR_ASCII | ' ')
  84 #define ATTR_MASK    0xFFFFFF00UL
  85 #define CHAR_MASK    0x000000FFUL
  86
  87 #define ATTR_CUR_AND (~(ATTR_BOLD|ATTR_REVERSE|ATTR_BLINK|ATTR_COLOURS))
  88 #define ATTR_CUR_XOR 0x00BA0000UL
  89
  90 typedef HDC Context;
  91 #define SEL_NL { 13, 10 }
  92
  93 GLOBAL int rows, cols, savelines;
  94
  95 GLOBAL int font_width, font_height;
  96
  97 #define INBUF_SIZE 2048
  98 GLOBAL unsigned char inbuf[INBUF_SIZE];
  99 GLOBAL int inbuf_head;
 100
 101 #define OUTBUF_SIZE 2048
 102 #define OUTBUF_MASK (OUTBUF_SIZE-1)
 103 GLOBAL unsigned char outbuf[OUTBUF_SIZE];
 104 GLOBAL int outbuf_head, outbuf_reap;
 105
 106 GLOBAL int has_focus;
 107
 108 GLOBAL int in_vbell;
 109 GLOBAL long vbell_timeout;
 110
 111 GLOBAL int app_cursor_keys, app_keypad_keys, vt52_mode;
 112 GLOBAL int repeat_off, cr_lf_return;
 113
 114 GLOBAL int seen_key_event;
 115 GLOBAL int seen_disp_event;
 116
 117 GLOBAL int session_closed;
 118
 119 GLOBAL int big_cursor;
 120
 121 GLOBAL int utf;
 122 GLOBAL int dbcs_screenfont;
 123 GLOBAL int font_codepage;
 124 GLOBAL int kbd_codepage;
 125 GLOBAL int line_codepage;
 126 GLOBAL WCHAR unitab_scoacs[256];
 127 GLOBAL WCHAR unitab_line[256];
 128 GLOBAL WCHAR unitab_font[256];
 129 GLOBAL WCHAR unitab_xterm[256];
 130 GLOBAL WCHAR unitab_oemcp[256];
 131 GLOBAL unsigned char unitab_ctrl[256];
 132 #define in_utf (utf || line_codepage==CP_UTF8)
 133
 134 #define LGXF_OVR  1                    /* existing logfile overwrite */
 135 #define LGXF_APN  0                    /* existing logfile append */
 136 #define LGXF_ASK -1                    /* existing logfile ask */
 137 #define LGTYP_NONE  0                  /* logmode: no logging */
 138 #define LGTYP_ASCII 1                  /* logmode: pure ascii */
 139 #define LGTYP_DEBUG 2                  /* logmode: all chars of taffic */
 140 GLOBAL char *logfile;
 141
 142 /*
 143  * Window handles for the dialog boxes that can be running during a
 144  * PuTTY session.
 145  */
 146 GLOBAL HWND logbox;
 147
 148 /*
 149  * I've just looked in the windows standard headr files for WM_USER, there
 150  * are hundreds of flags defined using the form WM_USER+123 so I've
 151  * renumbered this NETEVENT value and the two in window.c
 152  */
 153 #define WM_XUSER     (WM_USER + 0x2000)
 154 #define WM_NETEVENT  (WM_XUSER + 5)
 155
 156 typedef enum {
 157     TS_AYT, TS_BRK, TS_SYNCH, TS_EC, TS_EL, TS_GA, TS_NOP, TS_ABORT,
 158     TS_AO, TS_IP, TS_SUSP, TS_EOR, TS_EOF, TS_LECHO, TS_RECHO, TS_PING,
 159     TS_EOL
 160 } Telnet_Special;
 161
 162 typedef enum {
 163     MBT_NOTHING,
 164     MBT_LEFT, MBT_MIDDLE, MBT_RIGHT,   /* `raw' button designations */
 165     MBT_SELECT, MBT_EXTEND, MBT_PASTE, /* `cooked' button designations */
 166     MBT_WHEEL_UP, MBT_WHEEL_DOWN       /* mouse wheel */
 167 } Mouse_Button;
 168
 169 typedef enum {
 170     MA_NOTHING, MA_CLICK, MA_2CLK, MA_3CLK, MA_DRAG, MA_RELEASE
 171 } Mouse_Action;
 172
 173 typedef enum {
 174     VT_XWINDOWS, VT_OEMANSI, VT_OEMONLY, VT_POORMAN, VT_UNICODE
 175 } VT_Mode;
 176
 177 enum {
 178     /*
 179      * SSH ciphers (both SSH1 and SSH2)
 180      */
 181     CIPHER_WARN,                       /* pseudo 'cipher' */
 182     CIPHER_3DES,
 183     CIPHER_BLOWFISH,
 184     CIPHER_AES,                        /* (SSH 2 only) */
 185     CIPHER_DES,                        /* (SSH 1 only) */
 186     CIPHER_MAX                         /* no. ciphers (inc warn) */
 187 };
 188
 189 enum {
 190     /*
 191      * Line discipline option states: off, on, up to the backend.
 192      */
 193     LD_YES, LD_NO, LD_BACKEND
 194 };
 195
 196 enum {
 197     /*
 198      * Line discipline options which the backend might try to control.
 199      */
 200     LD_EDIT,                           /* local line editing */
 201     LD_ECHO                            /* local echo */
 202 };
 203
 204 enum {
 205     /*
 206      * Close On Exit behaviours. (cfg.close_on_exit)
 207      */
 208     COE_NEVER,                         /* Never close the window */
 209     COE_NORMAL,                        /* Close window on "normal" (non-error) exits only */
 210     COE_ALWAYS                         /* Always close the window */
 211 };
 212
 213 typedef struct {
 214     char *(*init) (char *host, int port, char **realhost);
 215     /* back->send() returns the current amount of buffered data. */
 216     int (*send) (char *buf, int len);
 217     /* back->sendbuffer() does the same thing but without attempting a send */
 218     int (*sendbuffer) (void);
 219     void (*size) (void);
 220     void (*special) (Telnet_Special code);
 221     Socket(*socket) (void);
 222     int (*sendok) (void);
 223     int (*ldisc) (int);
 224     /*
 225      * back->unthrottle() tells the back end that the front end
 226      * buffer is clearing.
 227      */
 228     void (*unthrottle) (int);
 229     int default_port;
 230 } Backend;
 231
 232 GLOBAL Backend *back;
 233
 234 extern struct backend_list {
 235     int protocol;
 236     char *name;
 237     Backend *backend;
 238 } backends[];
 239
 240 typedef struct {
 241     /* Basic options */
 242     char host[512];
 243     int port;
 244     enum { PROT_RAW, PROT_TELNET, PROT_RLOGIN, PROT_SSH } protocol;
 245     int close_on_exit;
 246     int warn_on_close;
 247     int ping_interval;                 /* in seconds */
 248     /* SSH options */
 249     char remote_cmd[512];
 250     char remote_cmd2[512];             /* fallback if the first fails
 251                                         * (used internally for scp) */
 252     char *remote_cmd_ptr;              /* might point to a larger command
 253                                         * but never for loading/saving */
 254     char *remote_cmd_ptr2;             /* might point to a larger command
 255                                         * but never for loading/saving */
 256     int nopty;
 257     int compression;
 258     int agentfwd;
 259     int ssh_cipherlist[CIPHER_MAX];
 260     char keyfile[FILENAME_MAX];
 261     int sshprot;                       /* use v1 or v2 when both available */
 262     int buggymac;                      /* MAC bug commmercial <=v2.3.x SSH2 */
 263     int try_tis_auth;
 264     int ssh_subsys;                    /* run a subsystem rather than a command */
 265     int ssh_subsys2;                   /* fallback to go with remote_cmd2 */
 266     /* Telnet options */
 267     char termtype[32];
 268     char termspeed[32];
 269     char environmt[1024];              /* VAR\tvalue\0VAR\tvalue\0\0 */
 270     char username[32];
 271     char localusername[32];
 272     int rfc_environ;
 273     int passive_telnet;
 274     /* Keyboard options */
 275     int bksp_is_delete;
 276     int rxvt_homeend;
 277     int funky_type;
 278     int no_applic_c;                   /* totally disable app cursor keys */
 279     int no_applic_k;                   /* totally disable app keypad */
 280     int app_cursor;
 281     int app_keypad;
 282     int nethack_keypad;
 283     int telnet_keyboard;
 284     int alt_f4;                        /* is it special? */
 285     int alt_space;                     /* is it special? */
 286     int alt_only;                      /* is it special? */
 287     int localecho;
 288     int localedit;
 289     int alwaysontop;
 290     int scroll_on_key;
 291     int scroll_on_disp;
 292     int compose_key;
 293     int ctrlaltkeys;
 294     char wintitle[256];                /* initial window title */
 295     /* Terminal options */
 296     int savelines;
 297     int dec_om;
 298     int wrap_mode;
 299     int lfhascr;
 300     int cursor_type;                   /* 0=block 1=underline 2=vertical */
 301     int blink_cur;
 302     enum {
 303         BELL_DISABLED, BELL_DEFAULT, BELL_VISUAL, BELL_WAVEFILE
 304     } beep;
 305     enum {
 306         B_IND_DISABLED, B_IND_FLASH, B_IND_STEADY
 307     } beep_ind;
 308     int bellovl;                       /* bell overload protection active? */
 309     int bellovl_n;                     /* number of bells to cause overload */
 310     int bellovl_t;                     /* time interval for overload (seconds) */
 311     int bellovl_s;                     /* period of silence to re-enable bell (s) */
 312     char bell_wavefile[FILENAME_MAX];
 313     int scrollbar;
 314     int locksize;
 315     int bce;
 316     int blinktext;
 317     int win_name_always;
 318     int width, height;
 319     char font[64];
 320     int fontisbold;
 321     int fontheight;
 322     int fontcharset;
 323     char logfilename[FILENAME_MAX];
 324     int logtype;
 325     int logxfovr;
 326     int hide_mouseptr;
 327     int sunken_edge;
 328     char answerback[256];
 329     /* Colour options */
 330     int try_palette;
 331     int bold_colour;
 332     unsigned char colours[22][3];
 333     /* Selection options */
 334     int mouse_is_xterm;
 335     int rawcnp;
 336     int mouse_override;
 337     short wordness[256];
 338     /* translations */
 339     VT_Mode vtmode;
 340     char line_codepage[32];
 341     /* X11 forwarding */
 342     int x11_forward;
 343     char x11_display[128];
 344     /* port forwarding */
 345     int lport_acceptall; /* accepts connection from hosts other than localhost */
 346     char portfwd[1024]; /* [LR]localport\thost:port\000[LR]localport\thost:port\000\000 */
 347 } Config;
 348
 349 /*
 350  * You can compile with -DSSH_DEFAULT to have ssh by default.
 351  */
 352 #ifndef SSH_DEFAULT
 353 #define DEFAULT_PROTOCOL PROT_TELNET
 354 #define DEFAULT_PORT 23
 355 #else
 356 #define DEFAULT_PROTOCOL PROT_SSH
 357 #define DEFAULT_PORT 22
 358 #endif
 359
 360 /*
 361  * Some global flags denoting the type of application.
 362  *
 363  * FLAG_VERBOSE is set when the user requests verbose details.
 364  *
 365  * FLAG_STDERR is set in command-line applications (which have a
 366  * functioning stderr that it makes sense to write to) and not in
 367  * GUI applications (which don't).
 368  *
 369  * FLAG_INTERACTIVE is set when a full interactive shell session is
 370  * being run, _either_ because no remote command has been provided
 371  * _or_ because the application is GUI and can't run non-
 372  * interactively.
 373  */
 374 #define FLAG_VERBOSE     0x0001
 375 #define FLAG_STDERR      0x0002
 376 #define FLAG_INTERACTIVE 0x0004
 377 GLOBAL int flags;
 378
 379 GLOBAL Config cfg;
 380 GLOBAL int default_protocol;
 381 GLOBAL int default_port;
 382
 383 struct RSAKey;                         /* be a little careful of scope */
 384
 385 /*
 386  * Exports from window.c.
 387  */
 388 void request_resize(int, int, int);
 389 void do_text(Context, int, int, char *, int, unsigned long, int);
 390 void do_cursor(Context, int, int, char *, int, unsigned long, int);
 391 void set_title(char *);
 392 void set_icon(char *);
 393 void set_sbar(int, int, int);
 394 Context get_ctx(void);
 395 void free_ctx(Context);
 396 void palette_set(int, int, int, int);
 397 void palette_reset(void);
 398 void write_aclip(char *, int, int);
 399 void write_clip(wchar_t *, int, int);
 400 void get_clip(wchar_t **, int *);
 401 void optimised_move(int, int, int);
 402 void set_raw_mouse_mode(int);
 403 Mouse_Button translate_button(Mouse_Button b);
 404 void connection_fatal(char *, ...);
 405 void fatalbox(char *, ...);
 406 void beep(int);
 407 void begin_session(void);
 408 void sys_cursor(int x, int y);
 409 #define OPTIMISE_IS_SCROLL 1
 410
 411 /*
 412  * Exports from noise.c.
 413  */
 414 void noise_get_heavy(void (*func) (void *, int));
 415 void noise_get_light(void (*func) (void *, int));
 416 void noise_regular(void);
 417 void noise_ultralight(DWORD data);
 418 void random_save_seed(void);
 419 void random_destroy_seed(void);
 420
 421 /*
 422  * Exports from windlg.c.
 423  */
 424 void defuse_showwindow(void);
 425 int do_config(void);
 426 int do_reconfig(HWND);
 427 void do_defaults(char *, Config *);
 428 void logevent(char *);
 429 void showeventlog(HWND);
 430 void showabout(HWND);
 431 void verify_ssh_host_key(char *host, int port, char *keytype,
 432                          char *keystr, char *fingerprint);
 433 void askcipher(char *ciphername, int cs);
 434 int askappend(char *filename);
 435 void registry_cleanup(void);
 436 void force_normal(HWND hwnd);
 437
 438 GLOBAL int nsessions;
 439 GLOBAL char **sessions;
 440
 441 /*
 442  * Exports from settings.c.
 443  */
 444 void save_settings(char *section, int do_host, Config * cfg);
 445 void load_settings(char *section, int do_host, Config * cfg);
 446 void get_sesslist(int allocate);
 447
 448 /*
 449  * Exports from terminal.c.
 450  */
 451
 452 void term_init(void);
 453 void term_size(int, int, int);
 454 void term_out(void);
 455 void term_paint(Context, int, int, int, int);
 456 void term_scroll(int, int);
 457 void term_pwron(void);
 458 void term_clrsb(void);
 459 void term_mouse(Mouse_Button, Mouse_Action, int, int, int, int);
 460 void term_deselect(void);
 461 void term_update(void);
 462 void term_invalidate(void);
 463 void term_blink(int set_cursor);
 464 void term_do_paste(void);
 465 void term_paste(void);
 466 void term_nopaste(void);
 467 int term_ldisc(int option);
 468 int from_backend(int is_stderr, char *data, int len);
 469 void logfopen(void);
 470 void logfclose(void);
 471 void term_copyall(void);
 472
 473 /*
 474  * Exports from raw.c.
 475  */
 476
 477 extern Backend raw_backend;
 478
 479 /*
 480  * Exports from rlogin.c.
 481  */
 482
 483 extern Backend rlogin_backend;
 484
 485 /*
 486  * Exports from telnet.c.
 487  */
 488
 489 extern Backend telnet_backend;
 490
 491 /*
 492  * Exports from ssh.c.
 493  */
 494
 495 extern int (*ssh_get_line) (const char *prompt, char *str, int maxlen,
 496                             int is_pw);
 497 extern Backend ssh_backend;
 498
 499 /*
 500  * Exports from ldisc.c.
 501  */
 502
 503 extern void ldisc_send(char *buf, int len);
 504
 505 /*
 506  * Exports from sshrand.c.
 507  */
 508
 509 void random_add_noise(void *noise, int length);
 510 void random_init(void);
 511 int random_byte(void);
 512 void random_get_savedata(void **data, int *len);
 513
 514 /*
 515  * Exports from misc.c.
 516  */
 517
 518 #include "misc.h"
 519
 520 /*
 521  * Exports from version.c.
 522  */
 523 extern char ver[];
 524
 525 /*
 526  * Exports from sizetip.c.
 527  */
 528 void UpdateSizeTip(HWND src, int cx, int cy);
 529 void EnableSizeTip(int bEnable);
 530
 531 /*
 532  * Exports from unicode.c.
 533  */
 534 #ifndef CP_UTF8
 535 #define CP_UTF8 65001
 536 #endif
 537 void init_ucs_tables(void);
 538 void lpage_send(int codepage, char *buf, int len);
 539 void luni_send(wchar_t * widebuf, int len);
 540 int check_compose(int first, int second);
 541 int decode_codepage(char *cp_name);
 542 char *cp_enumerate (int index);
 543 char *cp_name(int codepage);
 544
 545 /*
 546  * Exports from mscrypto.c
 547  */
 548 #ifdef MSCRYPTOAPI
 549 int crypto_startup();
 550 void crypto_wrapup();
 551 #endif
 552
 553 /*
 554  * Exports from pageantc.c
 555  */
 556 void agent_query(void *in, int inlen, void **out, int *outlen);
 557 int agent_exists(void);
 558
 559 /*
 560  * Exports from wildcard.c
 561  */
 562 const char *wc_error(int value);
 563 int wc_match(const char *wildcard, const char *target);
 564 int wc_unescape(char *output, const char *wildcard);
 565
 566 #endif