4 #include <stddef.h> /* for wchar_t */
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.
12 #ifdef PUTTY_DO_GLOBALS
21 typedef struct config_tag Config;
22 typedef struct backend_tag Backend;
23 typedef struct terminal_tag Terminal;
30 /* Three attribute types:
31 * The ATTRs (normal attributes) are stored with the characters in
32 * the main display arrays
34 * The TATTRs (temporary attributes) are generated on the fly, they
35 * can overlap with characters but not with normal attributes.
37 * The LATTRs (line attributes) are an entirely disjoint space of
40 * ATTR_INVALID is an illegal colour combination.
43 #define TATTR_ACTCURS 0x4UL /* active cursor (block) */
44 #define TATTR_PASCURS 0x2UL /* passive cursor (box) */
45 #define TATTR_RIGHTCURS 0x1UL /* cursor-on-RHS */
47 #define LATTR_NORM 0x00000000UL
48 #define LATTR_WIDE 0x01000000UL
49 #define LATTR_TOP 0x02000000UL
50 #define LATTR_BOT 0x03000000UL
51 #define LATTR_MODE 0x03000000UL
52 #define LATTR_WRAPPED 0x10000000UL
53 #define LATTR_WRAPPED2 0x20000000UL
55 #define ATTR_INVALID 0x03FF0000UL
57 /* Like Linux use the F000 page for direct to font. */
58 #define ATTR_OEMCP 0x0000F000UL /* OEM Codepage DTF */
59 #define ATTR_ACP 0x0000F100UL /* Ansi Codepage DTF */
61 /* These are internal use overlapping with the UTF-16 surrogates */
62 #define ATTR_ASCII 0x0000D800UL /* normal ASCII charset ESC ( B */
63 #define ATTR_LINEDRW 0x0000D900UL /* line drawing charset ESC ( 0 */
64 #define ATTR_SCOACS 0x0000DA00UL /* SCO Alternate charset */
65 #define ATTR_GBCHR 0x0000DB00UL /* UK variant charset ESC ( A */
66 #define CSET_MASK 0x0000FF00UL /* Character set mask; MUST be 0xFF00 */
68 #define DIRECT_CHAR(c) ((c&0xFC00)==0xD800)
69 #define DIRECT_FONT(c) ((c&0xFE00)==0xF000)
71 #define UCSERR (ATTR_LINEDRW|'a') /* UCS Format error character. */
73 * UCSWIDE is a special value used in the terminal data to signify
74 * the character cell containing the right-hand half of a CJK wide
75 * character. We use 0xDFFF because it's part of the surrogate
76 * range and hence won't be used for anything else (it's impossible
77 * to input it via UTF-8 because our UTF-8 decoder correctly
78 * rejects surrogates).
80 #define UCSWIDE 0xDFFF
82 #define ATTR_NARROW 0x80000000UL
83 #define ATTR_WIDE 0x40000000UL
84 #define ATTR_BOLD 0x04000000UL
85 #define ATTR_UNDER 0x08000000UL
86 #define ATTR_REVERSE 0x10000000UL
87 #define ATTR_BLINK 0x20000000UL
88 #define ATTR_FGMASK 0x001F0000UL
89 #define ATTR_BGMASK 0x03E00000UL
90 #define ATTR_COLOURS 0x03FF0000UL
91 #define ATTR_FGSHIFT 16
92 #define ATTR_BGSHIFT 21
94 #define ATTR_DEFAULT 0x01280000UL /* bg 9, fg 8 */
95 #define ATTR_DEFFG 0x00080000UL
96 #define ATTR_DEFBG 0x01200000UL
97 #define ERASE_CHAR (ATTR_DEFAULT | ATTR_ASCII | ' ')
98 #define ATTR_MASK 0xFFFFFF00UL
99 #define CHAR_MASK 0x000000FFUL
101 #define ATTR_CUR_AND (~(ATTR_BOLD|ATTR_REVERSE|ATTR_BLINK|ATTR_COLOURS))
102 #define ATTR_CUR_XOR 0x016A0000UL
107 char *buffer; /* so memory can be freed later */
110 struct unicode_data {
115 wchar_t unitab_scoacs[256];
116 wchar_t unitab_line[256];
117 wchar_t unitab_font[256];
118 wchar_t unitab_xterm[256];
119 wchar_t unitab_oemcp[256];
120 unsigned char unitab_ctrl[256];
123 #define LGXF_OVR 1 /* existing logfile overwrite */
124 #define LGXF_APN 0 /* existing logfile append */
125 #define LGXF_ASK -1 /* existing logfile ask */
126 #define LGTYP_NONE 0 /* logmode: no logging */
127 #define LGTYP_ASCII 1 /* logmode: pure ascii */
128 #define LGTYP_DEBUG 2 /* logmode: all chars of traffic */
129 #define LGTYP_PACKETS 3 /* logmode: SSH data packets */
132 /* Actual special commands. Originally Telnet, but some codes have
133 * been re-used for similar specials in other protocols. */
134 TS_AYT, TS_BRK, TS_SYNCH, TS_EC, TS_EL, TS_GA, TS_NOP, TS_ABORT,
135 TS_AO, TS_IP, TS_SUSP, TS_EOR, TS_EOF, TS_LECHO, TS_RECHO, TS_PING,
137 /* POSIX-style signals. (not Telnet) */
138 TS_SIGABRT, TS_SIGALRM, TS_SIGFPE, TS_SIGHUP, TS_SIGILL,
139 TS_SIGINT, TS_SIGKILL, TS_SIGPIPE, TS_SIGQUIT, TS_SIGSEGV,
140 TS_SIGTERM, TS_SIGUSR1, TS_SIGUSR2,
141 /* Pseudo-specials used for constructing the specials menu. */
142 TS_SEP, /* Separator */
143 TS_SUBMENU, /* Start a new submenu with specified name */
144 TS_EXITMENU /* Exit current submenu or end of specials */
147 struct telnet_special {
154 MBT_LEFT, MBT_MIDDLE, MBT_RIGHT, /* `raw' button designations */
155 MBT_SELECT, MBT_EXTEND, MBT_PASTE, /* `cooked' button designations */
156 MBT_WHEEL_UP, MBT_WHEEL_DOWN /* mouse wheel */
160 MA_NOTHING, MA_CLICK, MA_2CLK, MA_3CLK, MA_DRAG, MA_RELEASE
163 /* Keyboard modifiers -- keys the user is actually holding down */
165 #define PKM_SHIFT 0x01
166 #define PKM_CONTROL 0x02
167 #define PKM_META 0x04
170 /* Keyboard flags that aren't really modifiers */
171 #define PKF_CAPSLOCK 0x10
172 #define PKF_NUMLOCK 0x20
173 #define PKF_REPEAT 0x40
175 /* Stand-alone keysyms for function keys */
178 PK_NULL, /* No symbol for this key */
179 /* Main keypad keys */
180 PK_ESCAPE, PK_TAB, PK_BACKSPACE, PK_RETURN, PK_COMPOSE,
182 PK_HOME, PK_INSERT, PK_DELETE, PK_END, PK_PAGEUP, PK_PAGEDOWN,
184 PK_UP, PK_DOWN, PK_RIGHT, PK_LEFT, PK_REST,
185 /* Numeric keypad */ /* Real one looks like: */
186 PK_PF1, PK_PF2, PK_PF3, PK_PF4, /* PF1 PF2 PF3 PF4 */
187 PK_KPCOMMA, PK_KPMINUS, PK_KPDECIMAL, /* 7 8 9 - */
188 PK_KP0, PK_KP1, PK_KP2, PK_KP3, PK_KP4, /* 4 5 6 , */
189 PK_KP5, PK_KP6, PK_KP7, PK_KP8, PK_KP9, /* 1 2 3 en- */
190 PK_KPBIGPLUS, PK_KPENTER, /* 0 . ter */
192 PK_F1, PK_F2, PK_F3, PK_F4, PK_F5,
193 PK_F6, PK_F7, PK_F8, PK_F9, PK_F10,
194 PK_F11, PK_F12, PK_F13, PK_F14, PK_F15,
195 PK_F16, PK_F17, PK_F18, PK_F19, PK_F20,
199 #define PK_ISEDITING(k) ((k) >= PK_HOME && (k) <= PK_PAGEDOWN)
200 #define PK_ISCURSOR(k) ((k) >= PK_UP && (k) <= PK_REST)
201 #define PK_ISKEYPAD(k) ((k) >= PK_PF1 && (k) <= PK_KPENTER)
202 #define PK_ISFKEY(k) ((k) >= PK_F1 && (k) <= PK_F20)
205 VT_XWINDOWS, VT_OEMANSI, VT_OEMONLY, VT_POORMAN, VT_UNICODE
210 * SSH ciphers (both SSH1 and SSH2)
212 CIPHER_WARN, /* pseudo 'cipher' */
215 CIPHER_AES, /* (SSH 2 only) */
217 CIPHER_MAX /* no. ciphers (inc warn) */
222 * Several different bits of the PuTTY configuration seem to be
223 * three-way settings whose values are `always yes', `always
224 * no', and `decide by some more complex automated means'. This
225 * is true of line discipline options (local echo and line
226 * editing), proxy DNS, Close On Exit, and SSH server bug
227 * workarounds. Accordingly I supply a single enum here to deal
230 FORCE_ON, FORCE_OFF, AUTO
237 PROXY_NONE, PROXY_SOCKS4, PROXY_SOCKS5,
238 PROXY_HTTP, PROXY_TELNET, PROXY_CMD
243 * Line discipline options which the backend might try to control.
245 LD_EDIT, /* local line editing */
246 LD_ECHO /* local echo */
250 /* Protocol back ends. (cfg.protocol) */
251 PROT_RAW, PROT_TELNET, PROT_RLOGIN, PROT_SSH
255 /* Bell settings (cfg.beep) */
256 BELL_DISABLED, BELL_DEFAULT, BELL_VISUAL, BELL_WAVEFILE, BELL_PCSPEAKER
260 /* Taskbar flashing indication on bell (cfg.beep_ind) */
261 B_IND_DISABLED, B_IND_FLASH, B_IND_STEADY
265 /* Resize actions (cfg.resize_action) */
266 RESIZE_TERM, RESIZE_DISABLED, RESIZE_FONT, RESIZE_EITHER
270 /* Function key types (cfg.funky_type) */
280 const char *(*init) (void *frontend_handle, void **backend_handle,
282 char *host, int port, char **realhost, int nodelay,
284 void (*free) (void *handle);
285 /* back->reconfig() passes in a replacement configuration. */
286 void (*reconfig) (void *handle, Config *cfg);
287 /* back->send() returns the current amount of buffered data. */
288 int (*send) (void *handle, char *buf, int len);
289 /* back->sendbuffer() does the same thing but without attempting a send */
290 int (*sendbuffer) (void *handle);
291 void (*size) (void *handle, int width, int height);
292 void (*special) (void *handle, Telnet_Special code);
293 const struct telnet_special *(*get_specials) (void *handle);
294 Socket(*socket) (void *handle);
295 int (*exitcode) (void *handle);
296 int (*sendok) (void *handle);
297 int (*ldisc) (void *handle, int);
298 void (*provide_ldisc) (void *handle, void *ldisc);
299 void (*provide_logctx) (void *handle, void *logctx);
301 * back->unthrottle() tells the back end that the front end
302 * buffer is clearing.
304 void (*unthrottle) (void *handle, int);
308 extern struct backend_list {
315 * Suggested default protocol provided by the backend link module.
316 * The application is free to ignore this.
318 extern const int be_default_protocol;
321 * Name of this particular application, for use in the config box
322 * and other pieces of text.
324 extern const char *const appname;
327 * IMPORTANT POLICY POINT: everything in this structure which wants
328 * to be treated like an integer must be an actual, honest-to-
329 * goodness `int'. No enum-typed variables. This is because parts
330 * of the code will want to pass around `int *' pointers to them
331 * and we can't run the risk of porting to some system on which the
332 * enum comes out as a different size from int.
341 int ping_interval; /* in seconds */
345 char proxy_exclude_list[512];
347 int even_proxy_localhost;
349 char proxy_host[512];
351 char proxy_username[128];
352 char proxy_password[128];
353 char proxy_telnet_command[512];
355 char remote_cmd[512];
356 char remote_cmd2[512]; /* fallback if the first fails
357 * (used internally for scp) */
358 char *remote_cmd_ptr; /* might point to a larger command
359 * but never for loading/saving */
360 char *remote_cmd_ptr2; /* might point to a larger command
361 * but never for loading/saving */
365 int change_username; /* allow username switching in SSH2 */
366 int ssh_cipherlist[CIPHER_MAX];
368 int sshprot; /* use v1 or v2 when both available */
369 int ssh2_des_cbc; /* "des-cbc" nonstandard SSH2 cipher */
372 int ssh_subsys; /* run a subsystem rather than a command */
373 int ssh_subsys2; /* fallback to go with remote_cmd2 */
374 int ssh_no_shell; /* avoid running a shell */
378 char environmt[1024]; /* VAR\tvalue\0VAR\tvalue\0\0 */
380 char localusername[100];
383 /* Keyboard options */
387 int no_applic_c; /* totally disable app cursor keys */
388 int no_applic_k; /* totally disable app keypad */
389 int no_mouse_rep; /* totally disable mouse reporting */
390 int no_remote_resize; /* disable remote resizing */
391 int no_alt_screen; /* disable alternate screen */
392 int no_remote_wintitle; /* disable remote retitling */
393 int no_dbackspace; /* disable destructive backspace */
394 int no_remote_charset; /* disable remote charset config */
395 int no_remote_qtitle; /* disable remote win title query */
401 int alt_f4; /* is it special? */
402 int alt_space; /* is it special? */
403 int alt_only; /* is it special? */
407 int fullscreenonaltenter;
410 int erase_to_scrollback;
413 char wintitle[256]; /* initial window title */
414 /* Terminal options */
419 int cursor_type; /* 0=block 1=underline 2=vertical */
423 int bellovl; /* bell overload protection active? */
424 int bellovl_n; /* number of bells to cause overload */
425 int bellovl_t; /* time interval for overload (seconds) */
426 int bellovl_s; /* period of silence to re-enable bell (s) */
427 Filename bell_wavefile;
429 int scrollbar_in_fullscreen;
436 Filename logfilename;
444 char answerback[256];
452 unsigned char colours[22][3];
453 /* Selection options */
462 char line_codepage[128];
464 int xlat_capslockcyr;
467 char x11_display[128];
469 /* port forwarding */
470 int lport_acceptall; /* accept conns from hosts other than localhost */
471 int rport_acceptall; /* same for remote forwarded ports (SSH2 only) */
473 * The port forwarding string contains a number of
474 * NUL-terminated substrings, terminated in turn by an empty
475 * string (i.e. a second NUL immediately after the previous
476 * one). Each string can be of one of the following forms:
478 * [LR]localport\thost:port
479 * [LR]localaddr:localport\thost:port
481 * Dlocaladdr:localport
484 /* SSH bug compatibility modes */
485 int sshbug_ignore1, sshbug_plainpw1, sshbug_rsa1,
486 sshbug_hmac2, sshbug_derivekey2, sshbug_rsapad2,
487 sshbug_dhgex2, sshbug_pksessid2;
488 /* Options for pterm. Should split out into platform-dependent part. */
491 int scrollbar_on_left;
495 FontSpec wideboldfont;
496 int shadowboldoffset;
500 * Some global flags denoting the type of application.
502 * FLAG_VERBOSE is set when the user requests verbose details.
504 * FLAG_STDERR is set in command-line applications (which have a
505 * functioning stderr that it makes sense to write to) and not in
506 * GUI applications (which don't).
508 * FLAG_INTERACTIVE is set when a full interactive shell session is
509 * being run, _either_ because no remote command has been provided
510 * _or_ because the application is GUI and can't run non-
513 * These flags describe the type of _application_ - they wouldn't
514 * vary between individual sessions - and so it's OK to have this
515 * variable be GLOBAL.
517 * Note that additional flags may be defined in platform-specific
518 * headers. It's probably best if those ones start from 0x1000, to
521 #define FLAG_VERBOSE 0x0001
522 #define FLAG_STDERR 0x0002
523 #define FLAG_INTERACTIVE 0x0004
527 * Likewise, these two variables are set up when the application
528 * initialises, and inform all default-settings accesses after
531 GLOBAL int default_protocol;
532 GLOBAL int default_port;
535 * This is set TRUE by cmdline.c iff a session is loaded with "-load".
537 GLOBAL int loaded_session;
539 struct RSAKey; /* be a little careful of scope */
542 * Exports from window.c.
544 void request_resize(void *frontend, int, int);
545 void do_text(Context, int, int, char *, int, unsigned long, int);
546 void do_cursor(Context, int, int, char *, int, unsigned long, int);
547 int char_width(Context ctx, int uc);
548 #ifdef OPTIMISE_SCROLL
549 void do_scroll(Context, int, int, int);
551 void set_title(void *frontend, char *);
552 void set_icon(void *frontend, char *);
553 void set_sbar(void *frontend, int, int, int);
554 Context get_ctx(void *frontend);
555 void free_ctx(Context);
556 void palette_set(void *frontend, int, int, int, int);
557 void palette_reset(void *frontend);
558 void write_aclip(void *frontend, char *, int, int);
559 void write_clip(void *frontend, wchar_t *, int, int);
560 void get_clip(void *frontend, wchar_t **, int *);
561 void optimised_move(void *frontend, int, int, int);
562 void set_raw_mouse_mode(void *frontend, int);
563 void connection_fatal(void *frontend, char *, ...);
564 void fatalbox(char *, ...);
565 void modalfatalbox(char *, ...);
567 #pragma noreturn(fatalbox)
568 #pragma noreturn(modalfatalbox)
570 void beep(void *frontend, int);
571 void begin_session(void *frontend);
572 void sys_cursor(void *frontend, int x, int y);
573 void request_paste(void *frontend);
574 void frontend_keypress(void *frontend);
575 void ldisc_update(void *frontend, int echo, int edit);
576 /* It's the backend's responsibility to invoke this at the start of a
577 * connection, if necessary; it can also invoke it later if the set of
578 * special commands changes. It does not need to invoke it at session
580 void update_specials_menu(void *frontend);
581 int from_backend(void *frontend, int is_stderr, const char *data, int len);
582 #define OPTIMISE_IS_SCROLL 1
584 void set_iconic(void *frontend, int iconic);
585 void move_window(void *frontend, int x, int y);
586 void set_zorder(void *frontend, int top);
587 void refresh_window(void *frontend);
588 void set_zoomed(void *frontend, int zoomed);
589 int is_iconic(void *frontend);
590 void get_window_pos(void *frontend, int *x, int *y);
591 void get_window_pixels(void *frontend, int *x, int *y);
592 char *get_window_title(void *frontend, int icon);
594 void cleanup_exit(int);
597 * Exports from noise.c.
599 void noise_get_heavy(void (*func) (void *, int));
600 void noise_get_light(void (*func) (void *, int));
601 void noise_regular(void);
602 void noise_ultralight(unsigned long data);
603 void random_save_seed(void);
604 void random_destroy_seed(void);
607 * Exports from settings.c.
609 char *save_settings(char *section, int do_host, Config * cfg);
610 void save_open_settings(void *sesskey, int do_host, Config *cfg);
611 void load_settings(char *section, int do_host, Config * cfg);
612 void load_open_settings(void *sesskey, int do_host, Config *cfg);
613 void get_sesslist(struct sesslist *, int allocate);
614 void do_defaults(char *, Config *);
615 void registry_cleanup(void);
618 * Functions used by settings.c to provide platform-specific
621 * (The integer one is expected to return `def' if it has no clear
622 * opinion of its own. This is because there's no integer value
623 * which I can reliably set aside to indicate `nil'. The string
624 * function is perfectly all right returning NULL, of course. The
625 * Filename and FontSpec functions are _not allowed_ to fail to
626 * return, since these defaults _must_ be per-platform.)
628 char *platform_default_s(const char *name);
629 int platform_default_i(const char *name, int def);
630 Filename platform_default_filename(const char *name);
631 FontSpec platform_default_fontspec(const char *name);
634 * Exports from terminal.c.
637 Terminal *term_init(Config *, struct unicode_data *, void *);
638 void term_free(Terminal *);
639 void term_size(Terminal *, int, int, int);
640 void term_out(Terminal *);
641 void term_paint(Terminal *, Context, int, int, int, int, int);
642 void term_scroll(Terminal *, int, int);
643 void term_pwron(Terminal *);
644 void term_clrsb(Terminal *);
645 void term_mouse(Terminal *, Mouse_Button, Mouse_Button, Mouse_Action,
646 int,int,int,int,int);
647 void term_key(Terminal *, Key_Sym, wchar_t *, size_t, unsigned int,
649 void term_deselect(Terminal *);
650 void term_update(Terminal *);
651 void term_invalidate(Terminal *);
652 void term_blink(Terminal *, int set_cursor);
653 void term_do_paste(Terminal *);
654 int term_paste_pending(Terminal *);
655 void term_paste(Terminal *);
656 void term_nopaste(Terminal *);
657 int term_ldisc(Terminal *, int option);
658 void term_copyall(Terminal *);
659 void term_reconfig(Terminal *, Config *);
660 void term_seen_key_event(Terminal *);
661 int term_data(Terminal *, int is_stderr, const char *data, int len);
662 void term_provide_resize_fn(Terminal *term,
663 void (*resize_fn)(void *, int, int),
665 void term_provide_logctx(Terminal *term, void *logctx);
668 * Exports from logging.c.
670 void *log_init(void *frontend, Config *cfg);
671 void log_free(void *logctx);
672 void log_reconfig(void *logctx, Config *cfg);
673 void logfopen(void *logctx);
674 void logfclose(void *logctx);
675 void logtraffic(void *logctx, unsigned char c, int logmode);
676 void logflush(void *logctx);
677 void log_eventlog(void *logctx, const char *string);
678 enum { PKT_INCOMING, PKT_OUTGOING };
679 enum { PKTLOG_EMIT, PKTLOG_BLANK, PKTLOG_OMIT };
685 void log_packet(void *logctx, int direction, int type,
686 char *texttype, void *data, int len,
687 int n_blanks, const struct logblank_t *blanks);
690 * Exports from testback.c
693 extern Backend null_backend;
694 extern Backend loop_backend;
697 * Exports from raw.c.
700 extern Backend raw_backend;
703 * Exports from rlogin.c.
706 extern Backend rlogin_backend;
709 * Exports from telnet.c.
712 extern Backend telnet_backend;
715 * Exports from ssh.c. (NB the getline variables have to be GLOBAL
716 * so that PuTTYtel will still compile - otherwise it would depend
720 GLOBAL int (*ssh_get_line) (const char *prompt, char *str, int maxlen,
722 GLOBAL int ssh_getline_pw_only;
723 extern Backend ssh_backend;
726 * Exports from ldisc.c.
728 void *ldisc_create(Config *, Terminal *, Backend *, void *, void *);
729 void ldisc_free(void *);
730 void ldisc_send(void *handle, char *buf, int len, int interactive);
733 * Exports from ldiscucs.c.
735 void lpage_send(void *, int codepage, char *buf, int len, int interactive);
736 void luni_send(void *, wchar_t * widebuf, int len, int interactive);
739 * Exports from sshrand.c.
742 void random_add_noise(void *noise, int length);
743 void random_init(void);
744 int random_byte(void);
745 void random_get_savedata(void **data, int *len);
746 extern int random_active;
749 * Exports from misc.c.
755 * Exports from version.c.
760 * Exports from unicode.c.
763 #define CP_UTF8 65001
765 /* void init_ucs(void); -- this is now in platform-specific headers */
766 int is_dbcs_leadbyte(int codepage, char byte);
767 int mb_to_wc(int codepage, int flags, char *mbstr, int mblen,
768 wchar_t *wcstr, int wclen);
769 int wc_to_mb(int codepage, int flags, wchar_t *wcstr, int wclen,
770 char *mbstr, int mblen, char *defchr, int *defused,
771 struct unicode_data *ucsdata);
772 wchar_t xlat_uskbd2cyrllic(int ch);
773 int check_compose(int first, int second);
774 int decode_codepage(char *cp_name);
775 const char *cp_enumerate (int index);
776 const char *cp_name(int codepage);
777 void get_unitab(int codepage, wchar_t * unitab, int ftype);
780 * Exports from wcwidth.c
782 int wcwidth(wchar_t ucs);
783 int wcswidth(const wchar_t *pwcs, size_t n);
786 * Exports from mscrypto.c
789 int crypto_startup();
790 void crypto_wrapup();
794 * Exports from pageantc.c.
796 * agent_query returns 1 for here's-a-response, and 0 for query-in-
797 * progress. In the latter case there will be a call to `callback'
798 * at some future point, passing callback_ctx as the first
799 * parameter and the actual reply data as the second and third.
801 * The response may be a NULL pointer (in either of the synchronous
802 * or asynchronous cases), which indicates failure to receive a
805 int agent_query(void *in, int inlen, void **out, int *outlen,
806 void (*callback)(void *, void *, int), void *callback_ctx);
807 int agent_exists(void);
810 * Exports from wildcard.c
812 const char *wc_error(int value);
813 int wc_match(const char *wildcard, const char *target);
814 int wc_unescape(char *output, const char *wildcard);
817 * Exports from windlg.c
819 void logevent(void *frontend, const char *);
820 void verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
821 char *keystr, char *fingerprint);
822 void askcipher(void *frontend, char *ciphername, int cs);
823 int askappend(void *frontend, Filename filename);
826 * Exports from console.c (that aren't equivalents to things in
829 extern int console_batch_mode;
830 int console_get_line(const char *prompt, char *str, int maxlen, int is_pw);
831 void console_provide_logctx(void *logctx);
832 int is_interactive(void);
835 * Exports from printing.c.
837 typedef struct printer_enum_tag printer_enum;
838 typedef struct printer_job_tag printer_job;
839 printer_enum *printer_start_enum(int *nprinters);
840 char *printer_get_name(printer_enum *, int);
841 void printer_finish_enum(printer_enum *);
842 printer_job *printer_start_job(char *printer);
843 void printer_job_data(printer_job *, void *, int);
844 void printer_finish_job(printer_job *);
847 * Exports from cmdline.c (and also cmdline_error(), which is
848 * defined differently in various places and required _by_
851 int cmdline_process_param(char *, char *, int, Config *);
852 void cmdline_run_saved(Config *);
853 void cmdline_cleanup(void);
854 extern char *cmdline_password;
855 #define TOOLTYPE_FILETRANSFER 1
856 #define TOOLTYPE_NONNETWORK 2
857 extern int cmdline_tooltype;
859 void cmdline_error(char *, ...);
862 * Exports from config.c.
865 void setup_config_box(struct controlbox *b, struct sesslist *sesslist,
866 int midsession, int protocol);
869 * Exports from minibidi.c.
871 typedef struct bidi_char {
873 unsigned short index;
875 int do_bidi(bidi_char *line, int count);
876 int do_shape(bidi_char *line, bidi_char *to, int count);
879 * X11 auth mechanisms we know about.
883 X11_MIT, /* MIT-MAGIC-COOKIE-1 */
884 X11_XDM, /* XDM-AUTHORIZATION-1 */
887 extern const char *const x11_authnames[]; /* declared in x11fwd.c */
890 * Miscellaneous exports from the platform-specific code.
892 Filename filename_from_str(const char *string);
893 const char *filename_to_str(const Filename *fn);
894 int filename_equal(Filename f1, Filename f2);
895 int filename_is_null(Filename fn);
896 char *get_username(void); /* return value needs freeing */
897 char *get_random_data(int bytes); /* used in cmdgen.c */