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 /*
   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 #ifndef GLOBAL
  12 #ifdef PUTTY_DO_GLOBALS
  13 #define GLOBAL
  14 #else
  15 #define GLOBAL extern
  16 #endif
  17 #endif
  18
  19 typedef struct config_tag Config;
  20
  21 #include "puttyps.h"
  22 #include "network.h"
  23
  24 /*
  25  * Global variables. Most modules declare these `extern', but
  26  * window.c will do `#define PUTTY_DO_GLOBALS' before including this
  27  * module, and so will get them properly defined.
  28  */
  29 #ifdef PUTTY_DO_GLOBALS
  30 #define GLOBAL
  31 #else
  32 #define GLOBAL extern
  33 #endif
  34
  35 /* Three attribute types:
  36  * The ATTRs (normal attributes) are stored with the characters in the main
  37  * display arrays
  38  *
  39  * The TATTRs (temporary attributes) are generated on the fly, they can overlap
  40  * with characters but not with normal attributes.
  41  *
  42  * The LATTRs (line attributes) conflict with no others and only have one
  43  * value per line. But on area clears the LATTR cells are set to the erase_char
  44  * (or DEFAULT_ATTR + 'E')
  45  *
  46  * ATTR_INVALID is an illegal colour combination.
  47  */
  48
  49 #define TATTR_ACTCURS       0x4UL      /* active cursor (block) */
  50 #define TATTR_PASCURS       0x2UL      /* passive cursor (box) */
  51 #define TATTR_RIGHTCURS     0x1UL      /* cursor-on-RHS */
  52
  53 #define LATTR_NORM   0x00000000UL
  54 #define LATTR_WIDE   0x01000000UL
  55 #define LATTR_TOP    0x02000000UL
  56 #define LATTR_BOT    0x03000000UL
  57 #define LATTR_MODE   0x03000000UL
  58 #define LATTR_WRAPPED 0x10000000UL
  59
  60 #define ATTR_INVALID 0x00FF0000UL
  61
  62 /* Like Linux use the F000 page for direct to font. */
  63 #define ATTR_OEMCP   0x0000F000UL      /* OEM Codepage DTF */
  64 #define ATTR_ACP     0x0000F100UL      /* Ansi Codepage DTF */
  65
  66 /* These are internal use overlapping with the UTF-16 surrogates */
  67 #define ATTR_ASCII   0x0000D800UL      /* normal ASCII charset ESC ( B */
  68 #define ATTR_LINEDRW 0x0000D900UL      /* line drawing charset ESC ( 0 */
  69 #define ATTR_SCOACS  0x0000DA00UL      /* SCO Alternate charset */
  70 #define ATTR_GBCHR   0x0000DB00UL      /* UK variant   charset ESC ( A */
  71 #define CSET_MASK    0x0000FF00UL      /* Character set mask; MUST be 0xFF00 */
  72
  73 #define DIRECT_CHAR(c) ((c&0xFC00)==0xD800)
  74 #define DIRECT_FONT(c) ((c&0xFE00)==0xF000)
  75
  76 #define UCSERR       (ATTR_LINEDRW|'a') /* UCS Format error character. */
  77 #define UCSWIDE      0x303F
  78
  79 #define ATTR_NARROW  0x20000000UL
  80 #define ATTR_WIDE    0x10000000UL
  81 #define ATTR_BOLD    0x01000000UL
  82 #define ATTR_UNDER   0x02000000UL
  83 #define ATTR_REVERSE 0x04000000UL
  84 #define ATTR_BLINK   0x08000000UL
  85 #define ATTR_FGMASK  0x000F0000UL
  86 #define ATTR_BGMASK  0x00F00000UL
  87 #define ATTR_COLOURS 0x00FF0000UL
  88 #define ATTR_FGSHIFT 16
  89 #define ATTR_BGSHIFT 20
  90
  91 #define ATTR_DEFAULT 0x00980000UL
  92 #define ATTR_DEFFG   0x00080000UL
  93 #define ATTR_DEFBG   0x00900000UL
  94 #define ERASE_CHAR   (ATTR_DEFAULT | ATTR_ASCII | ' ')
  95 #define ATTR_MASK    0xFFFFFF00UL
  96 #define CHAR_MASK    0x000000FFUL
  97
  98 #define ATTR_CUR_AND (~(ATTR_BOLD|ATTR_REVERSE|ATTR_BLINK|ATTR_COLOURS))
  99 #define ATTR_CUR_XOR 0x00BA0000UL
 100
 101 #define SEL_NL { 13, 10 }
 102
 103 GLOBAL int rows, cols, savelines;
 104
 105 GLOBAL int has_focus;
 106
 107 GLOBAL int in_vbell;
 108 GLOBAL unsigned long vbell_startpoint;
 109
 110 GLOBAL int app_cursor_keys, app_keypad_keys, vt52_mode;
 111 GLOBAL int repeat_off, cr_lf_return;
 112
 113 GLOBAL int seen_key_event;
 114 GLOBAL int seen_disp_event;
 115 GLOBAL int alt_pressed;
 116
 117 GLOBAL int session_closed;
 118
 119 GLOBAL int big_cursor;
 120
 121 GLOBAL char *help_path;
 122 GLOBAL int help_has_contents;
 123
 124 GLOBAL int utf;
 125 GLOBAL int dbcs_screenfont;
 126 GLOBAL int font_codepage;
 127 GLOBAL int kbd_codepage;
 128 GLOBAL int line_codepage;
 129 GLOBAL wchar_t unitab_scoacs[256];
 130 GLOBAL wchar_t unitab_line[256];
 131 GLOBAL wchar_t unitab_font[256];
 132 GLOBAL wchar_t unitab_xterm[256];
 133 GLOBAL wchar_t unitab_oemcp[256];
 134 GLOBAL unsigned char unitab_ctrl[256];
 135 #define in_utf (utf || line_codepage==CP_UTF8)
 136
 137 #define LGXF_OVR  1                    /* existing logfile overwrite */
 138 #define LGXF_APN  0                    /* existing logfile append */
 139 #define LGXF_ASK -1                    /* existing logfile ask */
 140 #define LGTYP_NONE  0                  /* logmode: no logging */
 141 #define LGTYP_ASCII 1                  /* logmode: pure ascii */
 142 #define LGTYP_DEBUG 2                  /* logmode: all chars of traffic */
 143 #define LGTYP_PACKETS 3                /* logmode: SSH data packets */
 144
 145 typedef enum {
 146     TS_AYT, TS_BRK, TS_SYNCH, TS_EC, TS_EL, TS_GA, TS_NOP, TS_ABORT,
 147     TS_AO, TS_IP, TS_SUSP, TS_EOR, TS_EOF, TS_LECHO, TS_RECHO, TS_PING,
 148     TS_EOL
 149 } Telnet_Special;
 150
 151 typedef enum {
 152     MBT_NOTHING,
 153     MBT_LEFT, MBT_MIDDLE, MBT_RIGHT,   /* `raw' button designations */
 154     MBT_SELECT, MBT_EXTEND, MBT_PASTE, /* `cooked' button designations */
 155     MBT_WHEEL_UP, MBT_WHEEL_DOWN       /* mouse wheel */
 156 } Mouse_Button;
 157
 158 typedef enum {
 159     MA_NOTHING, MA_CLICK, MA_2CLK, MA_3CLK, MA_DRAG, MA_RELEASE
 160 } Mouse_Action;
 161
 162 typedef enum {
 163     VT_XWINDOWS, VT_OEMANSI, VT_OEMONLY, VT_POORMAN, VT_UNICODE
 164 } VT_Mode;
 165
 166 enum {
 167     /*
 168      * SSH ciphers (both SSH1 and SSH2)
 169      */
 170     CIPHER_WARN,                       /* pseudo 'cipher' */
 171     CIPHER_3DES,
 172     CIPHER_BLOWFISH,
 173     CIPHER_AES,                        /* (SSH 2 only) */
 174     CIPHER_DES,
 175     CIPHER_MAX                         /* no. ciphers (inc warn) */
 176 };
 177
 178 enum {
 179     /*
 180      * Line discipline option states: off, on, up to the backend.
 181      */
 182     LD_YES, LD_NO, LD_BACKEND
 183 };
 184
 185 enum {
 186     /*
 187      * Line discipline options which the backend might try to control.
 188      */
 189     LD_EDIT,                           /* local line editing */
 190     LD_ECHO                            /* local echo */
 191 };
 192
 193 enum {
 194     /*
 195      * Close On Exit behaviours. (cfg.close_on_exit)
 196      */
 197     COE_NEVER,                         /* Never close the window */
 198     COE_NORMAL,                        /* Close window on "normal" (non-error) exits only */
 199     COE_ALWAYS                         /* Always close the window */
 200 };
 201
 202 typedef struct {
 203     char *(*init) (char *host, int port, char **realhost, int nodelay);
 204     /* back->send() returns the current amount of buffered data. */
 205     int (*send) (char *buf, int len);
 206     /* back->sendbuffer() does the same thing but without attempting a send */
 207     int (*sendbuffer) (void);
 208     void (*size) (void);
 209     void (*special) (Telnet_Special code);
 210     Socket(*socket) (void);
 211     int (*exitcode) (void);
 212     int (*sendok) (void);
 213     int (*ldisc) (int);
 214     /*
 215      * back->unthrottle() tells the back end that the front end
 216      * buffer is clearing.
 217      */
 218     void (*unthrottle) (int);
 219     int default_port;
 220 } Backend;
 221
 222 GLOBAL Backend *back;
 223
 224 extern struct backend_list {
 225     int protocol;
 226     char *name;
 227     Backend *backend;
 228 } backends[];
 229
 230 struct config_tag {
 231     /* Basic options */
 232     char host[512];
 233     int port;
 234     enum { PROT_RAW, PROT_TELNET, PROT_RLOGIN, PROT_SSH } protocol;
 235     int close_on_exit;
 236     int warn_on_close;
 237     int ping_interval;                 /* in seconds */
 238     int tcp_nodelay;
 239     /* Proxy options */
 240     char proxy_exclude_list[512];
 241     enum { PROXY_NONE, PROXY_HTTP, PROXY_SOCKS, PROXY_TELNET } proxy_type;
 242     char proxy_host[512];
 243     int proxy_port;
 244     char proxy_username[32];
 245     char proxy_password[32];
 246     char proxy_telnet_command[512];
 247     int proxy_socks_version;
 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 change_username;               /* allow username switching in SSH2 */
 260     int ssh_cipherlist[CIPHER_MAX];
 261     char keyfile[FILENAME_MAX];
 262     int sshprot;                       /* use v1 or v2 when both available */
 263     int ssh2_des_cbc;                  /* "des-cbc" nonstandard SSH2 cipher */
 264     int try_tis_auth;
 265     int try_ki_auth;
 266     int ssh_subsys;                    /* run a subsystem rather than a command */
 267     int ssh_subsys2;                   /* fallback to go with remote_cmd2 */
 268     /* Telnet options */
 269     char termtype[32];
 270     char termspeed[32];
 271     char environmt[1024];              /* VAR\tvalue\0VAR\tvalue\0\0 */
 272     char username[100];
 273     char localusername[100];
 274     int rfc_environ;
 275     int passive_telnet;
 276     /* Keyboard options */
 277     int bksp_is_delete;
 278     int rxvt_homeend;
 279     int funky_type;
 280     int no_applic_c;                   /* totally disable app cursor keys */
 281     int no_applic_k;                   /* totally disable app keypad */
 282     int no_mouse_rep;                  /* totally disable mouse reporting */
 283     int no_remote_resize;              /* disable remote resizing */
 284     int no_alt_screen;                 /* disable alternate screen */
 285     int no_remote_wintitle;            /* disable remote retitling */
 286     int no_dbackspace;                 /* disable destructive backspace */
 287     int no_remote_charset;             /* disable remote charset config */
 288     int app_cursor;
 289     int app_keypad;
 290     int nethack_keypad;
 291     int telnet_keyboard;
 292     int telnet_newline;
 293     int alt_f4;                        /* is it special? */
 294     int alt_space;                     /* is it special? */
 295     int alt_only;                      /* is it special? */
 296     int localecho;
 297     int localedit;
 298     int alwaysontop;
 299     int fullscreenonaltenter;
 300     int scroll_on_key;
 301     int scroll_on_disp;
 302     int compose_key;
 303     int ctrlaltkeys;
 304     char wintitle[256];                /* initial window title */
 305     /* Terminal options */
 306     int savelines;
 307     int dec_om;
 308     int wrap_mode;
 309     int lfhascr;
 310     int cursor_type;                   /* 0=block 1=underline 2=vertical */
 311     int blink_cur;
 312     enum {
 313         BELL_DISABLED, BELL_DEFAULT, BELL_VISUAL, BELL_WAVEFILE
 314     } beep;
 315     enum {
 316         B_IND_DISABLED, B_IND_FLASH, B_IND_STEADY
 317     } beep_ind;
 318     int bellovl;                       /* bell overload protection active? */
 319     int bellovl_n;                     /* number of bells to cause overload */
 320     int bellovl_t;                     /* time interval for overload (seconds) */
 321     int bellovl_s;                     /* period of silence to re-enable bell (s) */
 322     char bell_wavefile[FILENAME_MAX];
 323     int scrollbar;
 324     int scrollbar_in_fullscreen;
 325     enum { RESIZE_TERM, RESIZE_DISABLED, RESIZE_FONT, RESIZE_EITHER } resize_action;
 326     int bce;
 327     int blinktext;
 328     int win_name_always;
 329     int width, height;
 330     char font[64];
 331     int fontisbold;
 332     int fontheight;
 333     int fontcharset;
 334     char logfilename[FILENAME_MAX];
 335     int logtype;
 336     int logxfovr;
 337     int hide_mouseptr;
 338     int sunken_edge;
 339     int window_border;
 340     char answerback[256];
 341     char printer[128];
 342     /* Colour options */
 343     int try_palette;
 344     int bold_colour;
 345     unsigned char colours[22][3];
 346     /* Selection options */
 347     int mouse_is_xterm;
 348     int rect_select;
 349     int rawcnp;
 350     int rtf_paste;
 351     int mouse_override;
 352     short wordness[256];
 353     /* translations */
 354     VT_Mode vtmode;
 355     char line_codepage[128];
 356     int xlat_capslockcyr;
 357     /* X11 forwarding */
 358     int x11_forward;
 359     char x11_display[128];
 360     /* port forwarding */
 361     int lport_acceptall; /* accept conns from hosts other than localhost */
 362     int rport_acceptall; /* same for remote forwarded ports (SSH2 only) */
 363     char portfwd[1024]; /* [LR]localport\thost:port\000[LR]localport\thost:port\000\000 */
 364     /* SSH bug compatibility modes */
 365     enum {
 366         BUG_AUTO, BUG_OFF, BUG_ON
 367     } sshbug_ignore1, sshbug_plainpw1, sshbug_rsa1,
 368         sshbug_hmac2, sshbug_derivekey2, sshbug_rsapad2,
 369         sshbug_dhgex2;
 370 };
 371
 372 /*
 373  * You can compile with -DSSH_DEFAULT to have ssh by default.
 374  */
 375 #ifndef SSH_DEFAULT
 376 #define DEFAULT_PROTOCOL PROT_TELNET
 377 #define DEFAULT_PORT 23
 378 #else
 379 #define DEFAULT_PROTOCOL PROT_SSH
 380 #define DEFAULT_PORT 22
 381 #endif
 382
 383 /*
 384  * Some global flags denoting the type of application.
 385  *
 386  * FLAG_VERBOSE is set when the user requests verbose details.
 387  *
 388  * FLAG_STDERR is set in command-line applications (which have a
 389  * functioning stderr that it makes sense to write to) and not in
 390  * GUI applications (which don't).
 391  *
 392  * FLAG_INTERACTIVE is set when a full interactive shell session is
 393  * being run, _either_ because no remote command has been provided
 394  * _or_ because the application is GUI and can't run non-
 395  * interactively.
 396  */
 397 #define FLAG_VERBOSE     0x0001
 398 #define FLAG_STDERR      0x0002
 399 #define FLAG_INTERACTIVE 0x0004
 400 GLOBAL int flags;
 401
 402 GLOBAL Config cfg;
 403 GLOBAL int default_protocol;
 404 GLOBAL int default_port;
 405
 406 struct RSAKey;                         /* be a little careful of scope */
 407
 408 /*
 409  * Exports from window.c.
 410  */
 411 void request_resize(int, int);
 412 void do_text(Context, int, int, char *, int, unsigned long, int);
 413 void do_cursor(Context, int, int, char *, int, unsigned long, int);
 414 int CharWidth(Context ctx, int uc);
 415 void set_title(char *);
 416 void set_icon(char *);
 417 void set_sbar(int, int, int);
 418 Context get_ctx(void);
 419 void free_ctx(Context);
 420 void palette_set(int, int, int, int);
 421 void palette_reset(void);
 422 void write_aclip(char *, int, int);
 423 void write_clip(wchar_t *, int, int);
 424 void get_clip(wchar_t **, int *);
 425 void optimised_move(int, int, int);
 426 void set_raw_mouse_mode(int);
 427 Mouse_Button translate_button(Mouse_Button b);
 428 void connection_fatal(char *, ...);
 429 void fatalbox(char *, ...);
 430 void beep(int);
 431 void begin_session(void);
 432 void sys_cursor(int x, int y);
 433 #define OPTIMISE_IS_SCROLL 1
 434
 435 void set_iconic(int iconic);
 436 void move_window(int x, int y);
 437 void set_zorder(int top);
 438 void refresh_window(void);
 439 void set_zoomed(int zoomed);
 440 int is_iconic(void);
 441 void get_window_pos(int *x, int *y);
 442 void get_window_pixels(int *x, int *y);
 443 char *get_window_title(int icon);
 444
 445 void cleanup_exit(int);
 446
 447 /*
 448  * Exports from noise.c.
 449  */
 450 void noise_get_heavy(void (*func) (void *, int));
 451 void noise_get_light(void (*func) (void *, int));
 452 void noise_regular(void);
 453 void noise_ultralight(unsigned long data);
 454 void random_save_seed(void);
 455 void random_destroy_seed(void);
 456
 457 /*
 458  * Exports from settings.c.
 459  */
 460 void save_settings(char *section, int do_host, Config * cfg);
 461 void load_settings(char *section, int do_host, Config * cfg);
 462 void get_sesslist(int allocate);
 463
 464 /*
 465  * Exports from terminal.c.
 466  */
 467
 468 void term_init(void);
 469 void term_size(int, int, int);
 470 void term_out(void);
 471 void term_paint(Context, int, int, int, int);
 472 void term_scroll(int, int);
 473 void term_pwron(void);
 474 void term_clrsb(void);
 475 void term_mouse(Mouse_Button, Mouse_Action, int, int, int, int, int);
 476 void term_deselect(void);
 477 void term_update(void);
 478 void term_invalidate(void);
 479 void term_blink(int set_cursor);
 480 void term_do_paste(void);
 481 void term_paste(void);
 482 void term_nopaste(void);
 483 int term_ldisc(int option);
 484 int from_backend(int is_stderr, char *data, int len);
 485 void logfopen(void);
 486 void logfclose(void);
 487 void term_copyall(void);
 488 void term_reconfig(void);
 489
 490 /*
 491  * Exports from logging.c.
 492  */
 493 void logtraffic(unsigned char c, int logmode);
 494 enum { PKT_INCOMING, PKT_OUTGOING };
 495 void log_eventlog(char *string);
 496 void log_packet(int direction, int type, char *texttype, void *data, int len);
 497
 498 /*
 499  * Exports from raw.c.
 500  */
 501
 502 extern Backend raw_backend;
 503
 504 /*
 505  * Exports from rlogin.c.
 506  */
 507
 508 extern Backend rlogin_backend;
 509
 510 /*
 511  * Exports from telnet.c.
 512  */
 513
 514 extern Backend telnet_backend;
 515
 516 /*
 517  * Exports from ssh.c. (NB the getline variables have to be GLOBAL
 518  * so that PuTTYtel will still compile - otherwise it would depend
 519  * on ssh.c.)
 520  */
 521
 522 GLOBAL int (*ssh_get_line) (const char *prompt, char *str, int maxlen,
 523                             int is_pw);
 524 GLOBAL int ssh_getline_pw_only;
 525 extern Backend ssh_backend;
 526
 527 /*
 528  * Exports from ldisc.c.
 529  */
 530
 531 extern void ldisc_send(char *buf, int len, int interactive);
 532
 533 /*
 534  * Exports from sshrand.c.
 535  */
 536
 537 void random_add_noise(void *noise, int length);
 538 void random_init(void);
 539 int random_byte(void);
 540 void random_get_savedata(void **data, int *len);
 541 extern int random_active;
 542
 543 /*
 544  * Exports from misc.c.
 545  */
 546
 547 #include "misc.h"
 548
 549 /*
 550  * Exports from version.c.
 551  */
 552 extern char ver[];
 553
 554 /*
 555  * Exports from unicode.c.
 556  */
 557 #ifndef CP_UTF8
 558 #define CP_UTF8 65001
 559 #endif
 560 void init_ucs_tables(void);
 561 void lpage_send(int codepage, char *buf, int len, int interactive);
 562 void luni_send(wchar_t * widebuf, int len, int interactive);
 563 wchar_t xlat_uskbd2cyrllic(int ch);
 564 int check_compose(int first, int second);
 565 int decode_codepage(char *cp_name);
 566 char *cp_enumerate (int index);
 567 char *cp_name(int codepage);
 568 void get_unitab(int codepage, wchar_t * unitab, int ftype);
 569
 570 /*
 571  * Exports from mscrypto.c
 572  */
 573 #ifdef MSCRYPTOAPI
 574 int crypto_startup();
 575 void crypto_wrapup();
 576 #endif
 577
 578 /*
 579  * Exports from pageantc.c
 580  */
 581 void agent_query(void *in, int inlen, void **out, int *outlen);
 582 int agent_exists(void);
 583
 584 /*
 585  * Exports from wildcard.c
 586  */
 587 const char *wc_error(int value);
 588 int wc_match(const char *wildcard, const char *target);
 589 int wc_unescape(char *output, const char *wildcard);
 590
 591 /*
 592  * Exports from console.c (that aren't equivalents to things in
 593  * windlg.c).
 594  */
 595 extern int console_batch_mode;
 596 int console_get_line(const char *prompt, char *str, int maxlen, int is_pw);
 597
 598 /*
 599  * Exports from printing.c.
 600  */
 601 typedef struct printer_enum_tag printer_enum;
 602 typedef struct printer_job_tag printer_job;
 603 printer_enum *printer_start_enum(int *nprinters);
 604 char *printer_get_name(printer_enum *, int);
 605 void printer_finish_enum(printer_enum *);
 606 printer_job *printer_start_job(char *printer);
 607 void printer_job_data(printer_job *, void *, int);
 608 void printer_finish_job(printer_job *);
 609
 610 /*
 611  * Exports from cmdline.c (and also cmdline_error(), which is
 612  * defined differently in various places and required _by_
 613  * cmdline.c).
 614  */
 615 int cmdline_process_param(char *, char *, int);
 616 void cmdline_run_saved(void);
 617 extern char *cmdline_password;
 618 #define TOOLTYPE_FILETRANSFER 1
 619 extern int cmdline_tooltype;
 620
 621 void cmdline_error(char *, ...);
 622
 623 #endif