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 #include <stddef.h>                    /* for wchar_t */
   6
   7 /*
   8  * Global variables. Most modules declare these `extern', but
   9  * window.c will do `#define PUTTY_DO_GLOBALS' before including this
  10  * module, and so will get them properly defined.
  11  */
  12 #ifndef GLOBAL
  13 #ifdef PUTTY_DO_GLOBALS
  14 #define GLOBAL
  15 #else
  16 #define GLOBAL extern
  17 #endif
  18 #endif
  19
  20 #ifndef DONE_TYPEDEFS
  21 #define DONE_TYPEDEFS
  22 typedef struct config_tag Config;
  23 typedef struct backend_tag Backend;
  24 typedef struct terminal_tag Terminal;
  25 #endif
  26
  27 #include "puttyps.h"
  28 #include "network.h"
  29
  30 /* Three attribute types:
  31  * The ATTRs (normal attributes) are stored with the characters in the main
  32  * display arrays
  33  *
  34  * The TATTRs (temporary attributes) are generated on the fly, they can overlap
  35  * with characters but not with normal attributes.
  36  *
  37  * The LATTRs (line attributes) conflict with no others and only have one
  38  * value per line. But on area clears the LATTR cells are set to the erase_char
  39  * (or DEFAULT_ATTR + 'E')
  40  *
  41  * ATTR_INVALID is an illegal colour combination.
  42  */
  43
  44 #define TATTR_ACTCURS       0x4UL      /* active cursor (block) */
  45 #define TATTR_PASCURS       0x2UL      /* passive cursor (box) */
  46 #define TATTR_RIGHTCURS     0x1UL      /* cursor-on-RHS */
  47
  48 #define LATTR_NORM   0x00000000UL
  49 #define LATTR_WIDE   0x01000000UL
  50 #define LATTR_TOP    0x02000000UL
  51 #define LATTR_BOT    0x03000000UL
  52 #define LATTR_MODE   0x03000000UL
  53 #define LATTR_WRAPPED 0x10000000UL
  54 #define LATTR_WRAPPED2 0x20000000UL
  55
  56 #define ATTR_INVALID 0x00FF0000UL
  57
  58 /* Like Linux use the F000 page for direct to font. */
  59 #define ATTR_OEMCP   0x0000F000UL      /* OEM Codepage DTF */
  60 #define ATTR_ACP     0x0000F100UL      /* Ansi Codepage DTF */
  61
  62 /* These are internal use overlapping with the UTF-16 surrogates */
  63 #define ATTR_ASCII   0x0000D800UL      /* normal ASCII charset ESC ( B */
  64 #define ATTR_LINEDRW 0x0000D900UL      /* line drawing charset ESC ( 0 */
  65 #define ATTR_SCOACS  0x0000DA00UL      /* SCO Alternate charset */
  66 #define ATTR_GBCHR   0x0000DB00UL      /* UK variant   charset ESC ( A */
  67 #define CSET_MASK    0x0000FF00UL      /* Character set mask; MUST be 0xFF00 */
  68
  69 #define DIRECT_CHAR(c) ((c&0xFC00)==0xD800)
  70 #define DIRECT_FONT(c) ((c&0xFE00)==0xF000)
  71
  72 #define UCSERR       (ATTR_LINEDRW|'a') /* UCS Format error character. */
  73 /*
  74  * UCSWIDE is a special value used in the terminal data to signify
  75  * the character cell containing the right-hand half of a CJK wide
  76  * character. We use 0xDFFF because it's part of the surrogate
  77  * range and hence won't be used for anything else (it's impossible
  78  * to input it via UTF-8 because our UTF-8 decoder correctly
  79  * rejects surrogates).
  80  */
  81 #define UCSWIDE      0xDFFF
  82
  83 #define ATTR_NARROW  0x20000000UL
  84 #define ATTR_WIDE    0x10000000UL
  85 #define ATTR_BOLD    0x01000000UL
  86 #define ATTR_UNDER   0x02000000UL
  87 #define ATTR_REVERSE 0x04000000UL
  88 #define ATTR_BLINK   0x08000000UL
  89 #define ATTR_FGMASK  0x000F0000UL
  90 #define ATTR_BGMASK  0x00F00000UL
  91 #define ATTR_COLOURS 0x00FF0000UL
  92 #define ATTR_FGSHIFT 16
  93 #define ATTR_BGSHIFT 20
  94
  95 #define ATTR_DEFAULT 0x00980000UL
  96 #define ATTR_DEFFG   0x00080000UL
  97 #define ATTR_DEFBG   0x00900000UL
  98 #define ERASE_CHAR   (ATTR_DEFAULT | ATTR_ASCII | ' ')
  99 #define ATTR_MASK    0xFFFFFF00UL
 100 #define CHAR_MASK    0x000000FFUL
 101
 102 #define ATTR_CUR_AND (~(ATTR_BOLD|ATTR_REVERSE|ATTR_BLINK|ATTR_COLOURS))
 103 #define ATTR_CUR_XOR 0x00BA0000UL
 104
 105 struct sesslist {
 106     int nsessions;
 107     char **sessions;
 108     char *buffer;                      /* so memory can be freed later */
 109 };
 110
 111 struct unicode_data {
 112     char **uni_tbl;
 113     int dbcs_screenfont;
 114     int font_codepage;
 115     int line_codepage;
 116     wchar_t unitab_scoacs[256];
 117     wchar_t unitab_line[256];
 118     wchar_t unitab_font[256];
 119     wchar_t unitab_xterm[256];
 120     wchar_t unitab_oemcp[256];
 121     unsigned char unitab_ctrl[256];
 122 };
 123
 124 #define LGXF_OVR  1                    /* existing logfile overwrite */
 125 #define LGXF_APN  0                    /* existing logfile append */
 126 #define LGXF_ASK -1                    /* existing logfile ask */
 127 #define LGTYP_NONE  0                  /* logmode: no logging */
 128 #define LGTYP_ASCII 1                  /* logmode: pure ascii */
 129 #define LGTYP_DEBUG 2                  /* logmode: all chars of traffic */
 130 #define LGTYP_PACKETS 3                /* logmode: SSH data packets */
 131
 132 typedef enum {
 133     TS_AYT, TS_BRK, TS_SYNCH, TS_EC, TS_EL, TS_GA, TS_NOP, TS_ABORT,
 134     TS_AO, TS_IP, TS_SUSP, TS_EOR, TS_EOF, TS_LECHO, TS_RECHO, TS_PING,
 135     TS_EOL
 136 } Telnet_Special;
 137
 138 typedef enum {
 139     MBT_NOTHING,
 140     MBT_LEFT, MBT_MIDDLE, MBT_RIGHT,   /* `raw' button designations */
 141     MBT_SELECT, MBT_EXTEND, MBT_PASTE, /* `cooked' button designations */
 142     MBT_WHEEL_UP, MBT_WHEEL_DOWN       /* mouse wheel */
 143 } Mouse_Button;
 144
 145 typedef enum {
 146     MA_NOTHING, MA_CLICK, MA_2CLK, MA_3CLK, MA_DRAG, MA_RELEASE
 147 } Mouse_Action;
 148
 149 /* Keyboard modifiers -- keys the user is actually holding down */
 150
 151 #define PKM_SHIFT       0x01
 152 #define PKM_CONTROL     0x02
 153 #define PKM_META        0x04
 154 #define PKM_ALT         0x08
 155
 156 /* Keyboard flags that aren't really modifiers */
 157 #define PKF_CAPSLOCK    0x10
 158 #define PKF_NUMLOCK     0x20
 159 #define PKF_REPEAT      0x40
 160
 161 /* Stand-alone keysyms for function keys */
 162
 163 typedef enum {
 164     PK_NULL,            /* No symbol for this key */
 165     /* Main keypad keys */
 166     PK_ESCAPE, PK_TAB, PK_BACKSPACE, PK_RETURN, PK_COMPOSE,
 167     /* Editing keys */
 168     PK_HOME, PK_INSERT, PK_DELETE, PK_END, PK_PAGEUP, PK_PAGEDOWN,
 169     /* Cursor keys */
 170     PK_UP, PK_DOWN, PK_RIGHT, PK_LEFT, PK_REST,
 171     /* Numeric keypad */                        /* Real one looks like: */
 172     PK_PF1, PK_PF2, PK_PF3, PK_PF4,             /* PF1 PF2 PF3 PF4 */
 173     PK_KPCOMMA, PK_KPMINUS, PK_KPDECIMAL,       /*  7   8   9   -  */
 174     PK_KP0, PK_KP1, PK_KP2, PK_KP3, PK_KP4,     /*  4   5   6   ,  */
 175     PK_KP5, PK_KP6, PK_KP7, PK_KP8, PK_KP9,     /*  1   2   3  en- */
 176     PK_KPBIGPLUS, PK_KPENTER,                   /*    0     .  ter */
 177     /* Top row */
 178     PK_F1,  PK_F2,  PK_F3,  PK_F4,  PK_F5,
 179     PK_F6,  PK_F7,  PK_F8,  PK_F9,  PK_F10,
 180     PK_F11, PK_F12, PK_F13, PK_F14, PK_F15,
 181     PK_F16, PK_F17, PK_F18, PK_F19, PK_F20,
 182     PK_PAUSE
 183 } Key_Sym;
 184
 185 #define PK_ISEDITING(k) ((k) >= PK_HOME && (k) <= PK_PAGEDOWN)
 186 #define PK_ISCURSOR(k)  ((k) >= PK_UP && (k) <= PK_REST)
 187 #define PK_ISKEYPAD(k)  ((k) >= PK_PF1 && (k) <= PK_KPENTER)
 188 #define PK_ISFKEY(k)    ((k) >= PK_F1 && (k) <= PK_F20)
 189
 190 typedef enum {
 191     VT_XWINDOWS, VT_OEMANSI, VT_OEMONLY, VT_POORMAN, VT_UNICODE
 192 } VT_Mode;
 193
 194 enum {
 195     /*
 196      * SSH ciphers (both SSH1 and SSH2)
 197      */
 198     CIPHER_WARN,                       /* pseudo 'cipher' */
 199     CIPHER_3DES,
 200     CIPHER_BLOWFISH,
 201     CIPHER_AES,                        /* (SSH 2 only) */
 202     CIPHER_DES,
 203     CIPHER_MAX                         /* no. ciphers (inc warn) */
 204 };
 205
 206 enum {
 207     /*
 208      * Line discipline option states: off, on, up to the backend.
 209      */
 210     LD_YES, LD_NO, LD_BACKEND
 211 };
 212
 213 enum {
 214     /*
 215      * Line discipline options which the backend might try to control.
 216      */
 217     LD_EDIT,                           /* local line editing */
 218     LD_ECHO                            /* local echo */
 219 };
 220
 221 enum {
 222     /*
 223      * Close On Exit behaviours. (cfg.close_on_exit)
 224      */
 225     COE_NEVER,                         /* Never close the window */
 226     COE_NORMAL,                        /* Close window on "normal" (non-error) exits only */
 227     COE_ALWAYS                         /* Always close the window */
 228 };
 229
 230 enum {
 231     /* Function key types (cfg.funky_type) */
 232     FUNKY_TILDE,
 233     FUNKY_LINUX,
 234     FUNKY_XTERM,
 235     FUNKY_VT400,
 236     FUNKY_VT100P,
 237     FUNKY_SCO
 238 };
 239
 240 struct backend_tag {
 241     char *(*init) (void *frontend_handle, void **backend_handle, Config *cfg,
 242                    char *host, int port, char **realhost, int nodelay);
 243     void (*free) (void *handle);
 244     /* back->reconfig() passes in a replacement configuration. */
 245     void (*reconfig) (void *handle, Config *cfg);
 246     /* back->send() returns the current amount of buffered data. */
 247     int (*send) (void *handle, char *buf, int len);
 248     /* back->sendbuffer() does the same thing but without attempting a send */
 249     int (*sendbuffer) (void *handle);
 250     void (*size) (void *handle, int width, int height);
 251     void (*special) (void *handle, Telnet_Special code);
 252     Socket(*socket) (void *handle);
 253     int (*exitcode) (void *handle);
 254     int (*sendok) (void *handle);
 255     int (*ldisc) (void *handle, int);
 256     void (*provide_ldisc) (void *handle, void *ldisc);
 257     void (*provide_logctx) (void *handle, void *logctx);
 258     /*
 259      * back->unthrottle() tells the back end that the front end
 260      * buffer is clearing.
 261      */
 262     void (*unthrottle) (void *handle, int);
 263     int default_port;
 264 };
 265
 266 extern struct backend_list {
 267     int protocol;
 268     char *name;
 269     Backend *backend;
 270 } backends[];
 271
 272 /*
 273  * Suggested default protocol provided by the backend link module.
 274  * The application is free to ignore this.
 275  */
 276 extern const int be_default_protocol;
 277
 278 struct config_tag {
 279     /* Basic options */
 280     char host[512];
 281     int port;
 282     enum { PROT_RAW, PROT_TELNET, PROT_RLOGIN, PROT_SSH } protocol;
 283     int close_on_exit;
 284     int warn_on_close;
 285     int ping_interval;                 /* in seconds */
 286     int tcp_nodelay;
 287     /* Proxy options */
 288     char proxy_exclude_list[512];
 289     enum { PROXYDNS_NO, PROXYDNS_AUTO, PROXYDNS_YES } proxy_dns;
 290     int even_proxy_localhost;
 291     enum { PROXY_NONE, PROXY_HTTP, PROXY_SOCKS, PROXY_TELNET } proxy_type;
 292     char proxy_host[512];
 293     int proxy_port;
 294     char proxy_username[32];
 295     char proxy_password[32];
 296     char proxy_telnet_command[512];
 297     int proxy_socks_version;
 298     /* SSH options */
 299     char remote_cmd[512];
 300     char remote_cmd2[512];             /* fallback if the first fails
 301                                         * (used internally for scp) */
 302     char *remote_cmd_ptr;              /* might point to a larger command
 303                                         * but never for loading/saving */
 304     char *remote_cmd_ptr2;             /* might point to a larger command
 305                                         * but never for loading/saving */
 306     int nopty;
 307     int compression;
 308     int agentfwd;
 309     int change_username;               /* allow username switching in SSH2 */
 310     int ssh_cipherlist[CIPHER_MAX];
 311     char keyfile[FILENAME_MAX];
 312     int sshprot;                       /* use v1 or v2 when both available */
 313     int ssh2_des_cbc;                  /* "des-cbc" nonstandard SSH2 cipher */
 314     int try_tis_auth;
 315     int try_ki_auth;
 316     int ssh_subsys;                    /* run a subsystem rather than a command */
 317     int ssh_subsys2;                   /* fallback to go with remote_cmd2 */
 318     /* Telnet options */
 319     char termtype[32];
 320     char termspeed[32];
 321     char environmt[1024];              /* VAR\tvalue\0VAR\tvalue\0\0 */
 322     char username[100];
 323     char localusername[100];
 324     int rfc_environ;
 325     int passive_telnet;
 326     /* Keyboard options */
 327     int bksp_is_delete;
 328     int rxvt_homeend;
 329     int funky_type;
 330     int no_applic_c;                   /* totally disable app cursor keys */
 331     int no_applic_k;                   /* totally disable app keypad */
 332     int no_mouse_rep;                  /* totally disable mouse reporting */
 333     int no_remote_resize;              /* disable remote resizing */
 334     int no_alt_screen;                 /* disable alternate screen */
 335     int no_remote_wintitle;            /* disable remote retitling */
 336     int no_dbackspace;                 /* disable destructive backspace */
 337     int no_remote_charset;             /* disable remote charset config */
 338     int app_cursor;
 339     int app_keypad;
 340     int nethack_keypad;
 341     int telnet_keyboard;
 342     int telnet_newline;
 343     int alt_f4;                        /* is it special? */
 344     int alt_space;                     /* is it special? */
 345     int alt_only;                      /* is it special? */
 346     int localecho;
 347     int localedit;
 348     int alwaysontop;
 349     int fullscreenonaltenter;
 350     int scroll_on_key;
 351     int scroll_on_disp;
 352     int compose_key;
 353     int ctrlaltkeys;
 354     char wintitle[256];                /* initial window title */
 355     /* Terminal options */
 356     int savelines;
 357     int dec_om;
 358     int wrap_mode;
 359     int lfhascr;
 360     int cursor_type;                   /* 0=block 1=underline 2=vertical */
 361     int blink_cur;
 362     enum {
 363         BELL_DISABLED, BELL_DEFAULT, BELL_VISUAL, BELL_WAVEFILE
 364     } beep;
 365     enum {
 366         B_IND_DISABLED, B_IND_FLASH, B_IND_STEADY
 367     } beep_ind;
 368     int bellovl;                       /* bell overload protection active? */
 369     int bellovl_n;                     /* number of bells to cause overload */
 370     int bellovl_t;                     /* time interval for overload (seconds) */
 371     int bellovl_s;                     /* period of silence to re-enable bell (s) */
 372     char bell_wavefile[FILENAME_MAX];
 373     int scrollbar;
 374     int scrollbar_in_fullscreen;
 375     enum { RESIZE_TERM, RESIZE_DISABLED, RESIZE_FONT, RESIZE_EITHER } resize_action;
 376     int bce;
 377     int blinktext;
 378     int win_name_always;
 379     int width, height;
 380     char font[256];
 381     int fontisbold;
 382     int fontheight;
 383     int fontcharset;
 384     char logfilename[FILENAME_MAX];
 385     int logtype;
 386     int logxfovr;
 387     int hide_mouseptr;
 388     int sunken_edge;
 389     int window_border;
 390     char answerback[256];
 391     char printer[128];
 392     /* Colour options */
 393     int try_palette;
 394     int bold_colour;
 395     unsigned char colours[22][3];
 396     /* Selection options */
 397     int mouse_is_xterm;
 398     int rect_select;
 399     int rawcnp;
 400     int rtf_paste;
 401     int mouse_override;
 402     short wordness[256];
 403     /* translations */
 404     VT_Mode vtmode;
 405     char line_codepage[128];
 406     int xlat_capslockcyr;
 407     /* X11 forwarding */
 408     int x11_forward;
 409     char x11_display[128];
 410     int x11_auth;
 411     /* port forwarding */
 412     int lport_acceptall; /* accept conns from hosts other than localhost */
 413     int rport_acceptall; /* same for remote forwarded ports (SSH2 only) */
 414     char portfwd[1024]; /* [LR]localport\thost:port\000[LR]localport\thost:port\000\000 */
 415     /* SSH bug compatibility modes */
 416     enum {
 417         BUG_AUTO, BUG_OFF, BUG_ON
 418     } sshbug_ignore1, sshbug_plainpw1, sshbug_rsa1,
 419         sshbug_hmac2, sshbug_derivekey2, sshbug_rsapad2,
 420         sshbug_dhgex2;
 421     /* Options for pterm. Should split out into platform-dependent part. */
 422     int stamp_utmp;
 423     int login_shell;
 424     int scrollbar_on_left;
 425     char boldfont[256];
 426     char widefont[256];
 427     char wideboldfont[256];
 428     int shadowboldoffset;
 429 };
 430
 431 /*
 432  * Some global flags denoting the type of application.
 433  *
 434  * FLAG_VERBOSE is set when the user requests verbose details.
 435  *
 436  * FLAG_STDERR is set in command-line applications (which have a
 437  * functioning stderr that it makes sense to write to) and not in
 438  * GUI applications (which don't).
 439  *
 440  * FLAG_INTERACTIVE is set when a full interactive shell session is
 441  * being run, _either_ because no remote command has been provided
 442  * _or_ because the application is GUI and can't run non-
 443  * interactively.
 444  *
 445  * These flags describe the type of _application_ - they wouldn't
 446  * vary between individual sessions - and so it's OK to have this
 447  * variable be GLOBAL.
 448  */
 449 #define FLAG_VERBOSE     0x0001
 450 #define FLAG_STDERR      0x0002
 451 #define FLAG_INTERACTIVE 0x0004
 452 GLOBAL int flags;
 453
 454 /*
 455  * Likewise, these two variables are set up when the application
 456  * initialises, and inform all default-settings accesses after
 457  * that.
 458  */
 459 GLOBAL int default_protocol;
 460 GLOBAL int default_port;
 461
 462 struct RSAKey;                         /* be a little careful of scope */
 463
 464 /*
 465  * Exports from window.c.
 466  */
 467 void request_resize(void *frontend, int, int);
 468 void do_text(Context, int, int, char *, int, unsigned long, int);
 469 void do_cursor(Context, int, int, char *, int, unsigned long, int);
 470 int char_width(Context ctx, int uc);
 471 #ifdef OPTIMISE_SCROLL
 472 void do_scroll(void *, int, int, int);
 473 #endif
 474 void set_title(void *frontend, char *);
 475 void set_icon(void *frontend, char *);
 476 void set_sbar(void *frontend, int, int, int);
 477 Context get_ctx(void *frontend);
 478 void free_ctx(Context);
 479 void palette_set(void *frontend, int, int, int, int);
 480 void palette_reset(void *frontend);
 481 void write_aclip(void *frontend, char *, int, int);
 482 void write_clip(void *frontend, wchar_t *, int, int);
 483 void get_clip(void *frontend, wchar_t **, int *);
 484 void optimised_move(void *frontend, int, int, int);
 485 void set_raw_mouse_mode(void *frontend, int);
 486 void connection_fatal(void *frontend, char *, ...);
 487 void fatalbox(char *, ...);
 488 void modalfatalbox(char *, ...);
 489 #ifdef macintosh
 490 #pragma noreturn(fatalbox)
 491 #pragma noreturn(modalfatalbox)
 492 #endif
 493 void beep(void *frontend, int);
 494 void begin_session(void *frontend);
 495 void sys_cursor(void *frontend, int x, int y);
 496 void request_paste(void *frontend);
 497 void frontend_keypress(void *frontend);
 498 void ldisc_update(void *frontend, int echo, int edit);
 499 #define OPTIMISE_IS_SCROLL 1
 500
 501 void set_iconic(void *frontend, int iconic);
 502 void move_window(void *frontend, int x, int y);
 503 void set_zorder(void *frontend, int top);
 504 void refresh_window(void *frontend);
 505 void set_zoomed(void *frontend, int zoomed);
 506 int is_iconic(void *frontend);
 507 void get_window_pos(void *frontend, int *x, int *y);
 508 void get_window_pixels(void *frontend, int *x, int *y);
 509 char *get_window_title(void *frontend, int icon);
 510
 511 void cleanup_exit(int);
 512
 513 /*
 514  * Exports from noise.c.
 515  */
 516 void noise_get_heavy(void (*func) (void *, int));
 517 void noise_get_light(void (*func) (void *, int));
 518 void noise_regular(void);
 519 void noise_ultralight(unsigned long data);
 520 void random_save_seed(void);
 521 void random_destroy_seed(void);
 522
 523 /*
 524  * Exports from settings.c.
 525  */
 526 void save_settings(char *section, int do_host, Config * cfg);
 527 void save_open_settings(void *sesskey, int do_host, Config *cfg);
 528 void load_settings(char *section, int do_host, Config * cfg);
 529 void load_open_settings(void *sesskey, int do_host, Config *cfg);
 530 void get_sesslist(struct sesslist *, int allocate);
 531 void do_defaults(char *, Config *);
 532 void registry_cleanup(void);
 533
 534 /*
 535  * Functions used by settings.c to provide platform-specific
 536  * default settings.
 537  *
 538  * (The integer one is expected to return `def' if it has no clear
 539  * opinion of its own. This is because there's no integer value
 540  * which I can reliably set aside to indicate `nil'. The string
 541  * function is perfectly all right returning NULL, of course.)
 542  */
 543 char *platform_default_s(const char *name);
 544 int platform_default_i(const char *name, int def);
 545
 546 /*
 547  * Exports from terminal.c.
 548  */
 549
 550 Terminal *term_init(Config *, struct unicode_data *, void *);
 551 void term_free(Terminal *);
 552 void term_size(Terminal *, int, int, int);
 553 void term_out(Terminal *);
 554 void term_paint(Terminal *, Context, int, int, int, int, int);
 555 void term_scroll(Terminal *, int, int);
 556 void term_pwron(Terminal *);
 557 void term_clrsb(Terminal *);
 558 void term_mouse(Terminal *, Mouse_Button, Mouse_Button, Mouse_Action,
 559                 int,int,int,int,int);
 560 void term_key(Terminal *, Key_Sym, wchar_t *, size_t, unsigned int,
 561               unsigned int);
 562 void term_deselect(Terminal *);
 563 void term_update(Terminal *);
 564 void term_invalidate(Terminal *);
 565 void term_blink(Terminal *, int set_cursor);
 566 void term_do_paste(Terminal *);
 567 int term_paste_pending(Terminal *);
 568 void term_paste(Terminal *);
 569 void term_nopaste(Terminal *);
 570 int term_ldisc(Terminal *, int option);
 571 void term_copyall(Terminal *);
 572 void term_reconfig(Terminal *, Config *);
 573 void term_seen_key_event(Terminal *);
 574 int from_backend(void *, int is_stderr, char *data, int len);
 575 void term_provide_resize_fn(Terminal *term,
 576                             void (*resize_fn)(void *, int, int),
 577                             void *resize_ctx);
 578 void term_provide_logctx(Terminal *term, void *logctx);
 579
 580 /*
 581  * Exports from logging.c.
 582  */
 583 void *log_init(void *frontend, Config *cfg);
 584 void log_free(void *logctx);
 585 void log_reconfig(void *logctx, Config *cfg);
 586 void logfopen(void *logctx);
 587 void logfclose(void *logctx);
 588 void logtraffic(void *logctx, unsigned char c, int logmode);
 589 void log_eventlog(void *logctx, char *string);
 590 enum { PKT_INCOMING, PKT_OUTGOING };
 591 void log_packet(void *logctx, int direction, int type,
 592                 char *texttype, void *data, int len);
 593
 594 /*
 595  * Exports from testback.c
 596  */
 597
 598 extern Backend null_backend;
 599 extern Backend loop_backend;
 600
 601 /*
 602  * Exports from raw.c.
 603  */
 604
 605 extern Backend raw_backend;
 606
 607 /*
 608  * Exports from rlogin.c.
 609  */
 610
 611 extern Backend rlogin_backend;
 612
 613 /*
 614  * Exports from telnet.c.
 615  */
 616
 617 extern Backend telnet_backend;
 618
 619 /*
 620  * Exports from ssh.c. (NB the getline variables have to be GLOBAL
 621  * so that PuTTYtel will still compile - otherwise it would depend
 622  * on ssh.c.)
 623  */
 624
 625 GLOBAL int (*ssh_get_line) (const char *prompt, char *str, int maxlen,
 626                             int is_pw);
 627 GLOBAL int ssh_getline_pw_only;
 628 extern Backend ssh_backend;
 629
 630 /*
 631  * Exports from ldisc.c.
 632  */
 633 void *ldisc_create(Config *, Terminal *, Backend *, void *, void *);
 634 void ldisc_free(void *);
 635 void ldisc_send(void *handle, char *buf, int len, int interactive);
 636
 637 /*
 638  * Exports from ldiscucs.c.
 639  */
 640 void lpage_send(void *, int codepage, char *buf, int len, int interactive);
 641 void luni_send(void *, wchar_t * widebuf, int len, int interactive);
 642
 643 /*
 644  * Exports from sshrand.c.
 645  */
 646
 647 void random_add_noise(void *noise, int length);
 648 void random_init(void);
 649 int random_byte(void);
 650 void random_get_savedata(void **data, int *len);
 651 extern int random_active;
 652
 653 /*
 654  * Exports from misc.c.
 655  */
 656
 657 #include "misc.h"
 658
 659 /*
 660  * Exports from version.c.
 661  */
 662 extern char ver[];
 663
 664 /*
 665  * Exports from unicode.c.
 666  */
 667 #ifndef CP_UTF8
 668 #define CP_UTF8 65001
 669 #endif
 670 /* void init_ucs(void); -- this is now in platform-specific headers */
 671 int is_dbcs_leadbyte(int codepage, char byte);
 672 int mb_to_wc(int codepage, int flags, char *mbstr, int mblen,
 673              wchar_t *wcstr, int wclen);
 674 int wc_to_mb(int codepage, int flags, wchar_t *wcstr, int wclen,
 675              char *mbstr, int mblen, char *defchr, int *defused,
 676              struct unicode_data *ucsdata);
 677 wchar_t xlat_uskbd2cyrllic(int ch);
 678 int check_compose(int first, int second);
 679 int decode_codepage(char *cp_name);
 680 char *cp_enumerate (int index);
 681 char *cp_name(int codepage);
 682 void get_unitab(int codepage, wchar_t * unitab, int ftype);
 683
 684 /*
 685  * Exports from wcwidth.c
 686  */
 687 int wcwidth(wchar_t ucs);
 688 int wcswidth(const wchar_t *pwcs, size_t n);
 689
 690 /*
 691  * Exports from mscrypto.c
 692  */
 693 #ifdef MSCRYPTOAPI
 694 int crypto_startup();
 695 void crypto_wrapup();
 696 #endif
 697
 698 /*
 699  * Exports from pageantc.c
 700  */
 701 void agent_query(void *in, int inlen, void **out, int *outlen);
 702 int agent_exists(void);
 703
 704 /*
 705  * Exports from wildcard.c
 706  */
 707 const char *wc_error(int value);
 708 int wc_match(const char *wildcard, const char *target);
 709 int wc_unescape(char *output, const char *wildcard);
 710
 711 /*
 712  * Exports from windlg.c
 713  */
 714 void logevent(void *frontend, char *);
 715 void verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
 716                          char *keystr, char *fingerprint);
 717 void askcipher(void *frontend, char *ciphername, int cs);
 718 int askappend(void *frontend, char *filename);
 719
 720 /*
 721  * Exports from console.c (that aren't equivalents to things in
 722  * windlg.c).
 723  */
 724 extern int console_batch_mode;
 725 int console_get_line(const char *prompt, char *str, int maxlen, int is_pw);
 726 void console_provide_logctx(void *logctx);
 727
 728 /*
 729  * Exports from printing.c.
 730  */
 731 typedef struct printer_enum_tag printer_enum;
 732 typedef struct printer_job_tag printer_job;
 733 printer_enum *printer_start_enum(int *nprinters);
 734 char *printer_get_name(printer_enum *, int);
 735 void printer_finish_enum(printer_enum *);
 736 printer_job *printer_start_job(char *printer);
 737 void printer_job_data(printer_job *, void *, int);
 738 void printer_finish_job(printer_job *);
 739
 740 /*
 741  * Exports from cmdline.c (and also cmdline_error(), which is
 742  * defined differently in various places and required _by_
 743  * cmdline.c).
 744  */
 745 int cmdline_process_param(char *, char *, int, Config *);
 746 void cmdline_run_saved(Config *);
 747 extern char *cmdline_password;
 748 #define TOOLTYPE_FILETRANSFER 1
 749 extern int cmdline_tooltype;
 750
 751 void cmdline_error(char *, ...);
 752
 753 /*
 754  * X11 auth mechanisms we know about.
 755  */
 756 enum {
 757     X11_NO_AUTH,
 758     X11_MIT,                           /* MIT-MAGIC-COOKIE-1 */
 759     X11_XDM,                           /* XDM-AUTHORIZATION-1 */
 760     X11_NAUTHS
 761 };
 762 extern const char *const x11_authnames[];  /* declared in x11fwd.c */
 763
 764 #endif