mdw@git.distorted.org.uk Git - sgt/putty/blob - windows/winstuff.h

   1 /*
   2  * winstuff.h: Windows-specific inter-module stuff.
   3  */
   4
   5 #ifndef PUTTY_WINSTUFF_H
   6 #define PUTTY_WINSTUFF_H
   7
   8 #ifndef AUTO_WINSOCK
   9 #include <winsock2.h>
  10 #endif
  11 #include <windows.h>
  12 #include <stdio.h>                     /* for FILENAME_MAX */
  13
  14 #include "tree234.h"
  15
  16 #include "winhelp.h"
  17
  18 struct Filename {
  19     char *path;
  20 };
  21 #define f_open(filename, mode, isprivate) ( fopen((filename)->path, (mode)) )
  22
  23 struct FontSpec {
  24     char *name;
  25     int isbold;
  26     int height;
  27     int charset;
  28 };
  29 struct FontSpec *fontspec_new(const char *name,
  30                                int bold, int height, int charset);
  31
  32 #ifndef CLEARTYPE_QUALITY
  33 #define CLEARTYPE_QUALITY 5
  34 #endif
  35 #define FONT_QUALITY(fq) ( \
  36     (fq) == FQ_DEFAULT ? DEFAULT_QUALITY : \
  37     (fq) == FQ_ANTIALIASED ? ANTIALIASED_QUALITY : \
  38     (fq) == FQ_NONANTIALIASED ? NONANTIALIASED_QUALITY : \
  39     CLEARTYPE_QUALITY)
  40
  41 #define PLATFORM_IS_UTF16 /* enable UTF-16 processing when exchanging
  42                            * wchar_t strings with environment */
  43
  44 /*
  45  * Where we can, we use GetWindowLongPtr and friends because they're
  46  * more useful on 64-bit platforms, but they're a relatively recent
  47  * innovation, missing from VC++ 6 and older MinGW.  Degrade nicely.
  48  * (NB that on some systems, some of these things are available but
  49  * not others...)
  50  */
  51
  52 #ifndef GCLP_HCURSOR
  53 /* GetClassLongPtr and friends */
  54 #undef  GetClassLongPtr
  55 #define GetClassLongPtr GetClassLong
  56 #undef  SetClassLongPtr
  57 #define SetClassLongPtr SetClassLong
  58 #define GCLP_HCURSOR GCL_HCURSOR
  59 /* GetWindowLongPtr and friends */
  60 #undef  GetWindowLongPtr
  61 #define GetWindowLongPtr GetWindowLong
  62 #undef  SetWindowLongPtr
  63 #define SetWindowLongPtr SetWindowLong
  64 #undef  GWLP_USERDATA
  65 #define GWLP_USERDATA GWL_USERDATA
  66 #undef  DWLP_MSGRESULT
  67 #define DWLP_MSGRESULT DWL_MSGRESULT
  68 /* Since we've clobbered the above functions, we should clobber the
  69  * associated type regardless of whether it's defined. */
  70 #undef LONG_PTR
  71 #define LONG_PTR LONG
  72 #endif
  73
  74 #define BOXFLAGS DLGWINDOWEXTRA
  75 #define BOXRESULT (DLGWINDOWEXTRA + sizeof(LONG_PTR))
  76 #define DF_END 0x0001
  77
  78 #define PLATFORM_HAS_SMEMCLR /* inhibit cross-platform one in misc.c */
  79
  80 /*
  81  * Dynamically linked functions. These come in two flavours:
  82  *
  83  *  - GET_WINDOWS_FUNCTION does not expose "name" to the preprocessor,
  84  *    so will always dynamically link against exactly what is specified
  85  *    in "name". If you're not sure, use this one.
  86  *
  87  *  - GET_WINDOWS_FUNCTION_PP allows "name" to be redirected via
  88  *    preprocessor definitions like "#define foo bar"; this is principally
  89  *    intended for the ANSI/Unicode DoSomething/DoSomethingA/DoSomethingW.
  90  *    If your function has an argument of type "LPTSTR" or similar, this
  91  *    is the variant to use.
  92  *    (However, it can't always be used, as it trips over more complicated
  93  *    macro trickery such as the WspiapiGetAddrInfo wrapper for getaddrinfo.)
  94  *
  95  * (DECL_WINDOWS_FUNCTION works with both these variants.)
  96  */
  97 #define DECL_WINDOWS_FUNCTION(linkage, rettype, name, params) \
  98     typedef rettype (WINAPI *t_##name) params; \
  99     linkage t_##name p_##name
 100 #define STR1(x) #x
 101 #define STR(x) STR1(x)
 102 #define GET_WINDOWS_FUNCTION_PP(module, name) \
 103     (p_##name = module ? (t_##name) GetProcAddress(module, STR(name)) : NULL)
 104 #define GET_WINDOWS_FUNCTION(module, name) \
 105     (p_##name = module ? (t_##name) GetProcAddress(module, #name) : NULL)
 106
 107 /*
 108  * Global variables. Most modules declare these `extern', but
 109  * window.c will do `#define PUTTY_DO_GLOBALS' before including this
 110  * module, and so will get them properly defined.
 111 */
 112 #ifndef GLOBAL
 113 #ifdef PUTTY_DO_GLOBALS
 114 #define GLOBAL
 115 #else
 116 #define GLOBAL extern
 117 #endif
 118 #endif
 119
 120 #ifndef DONE_TYPEDEFS
 121 #define DONE_TYPEDEFS
 122 typedef struct conf_tag Conf;
 123 typedef struct backend_tag Backend;
 124 typedef struct terminal_tag Terminal;
 125 #endif
 126
 127 #define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
 128 #define PUTTY_REG_PARENT "Software\\SimonTatham"
 129 #define PUTTY_REG_PARENT_CHILD "PuTTY"
 130 #define PUTTY_REG_GPARENT "Software"
 131 #define PUTTY_REG_GPARENT_CHILD "SimonTatham"
 132
 133 /* Result values for the jumplist registry functions. */
 134 #define JUMPLISTREG_OK 0
 135 #define JUMPLISTREG_ERROR_INVALID_PARAMETER 1
 136 #define JUMPLISTREG_ERROR_KEYOPENCREATE_FAILURE 2
 137 #define JUMPLISTREG_ERROR_VALUEREAD_FAILURE 3
 138 #define JUMPLISTREG_ERROR_VALUEWRITE_FAILURE 4
 139 #define JUMPLISTREG_ERROR_INVALID_VALUE 5
 140
 141 #define PUTTY_HELP_FILE "putty.hlp"
 142 #define PUTTY_CHM_FILE "putty.chm"
 143 #define PUTTY_HELP_CONTENTS "putty.cnt"
 144
 145 #define GETTICKCOUNT GetTickCount
 146 #define CURSORBLINK GetCaretBlinkTime()
 147 #define TICKSPERSEC 1000               /* GetTickCount returns milliseconds */
 148
 149 #define DEFAULT_CODEPAGE CP_ACP
 150 #define USES_VTLINE_HACK
 151
 152 typedef HDC Context;
 153
 154 typedef unsigned int uint32; /* int is 32-bits on Win32 and Win64. */
 155 #define PUTTY_UINT32_DEFINED
 156
 157 #ifndef NO_GSSAPI
 158 /*
 159  * GSS-API stuff
 160  */
 161 #define GSS_CC CALLBACK
 162 /*
 163 typedef struct Ssh_gss_buf {
 164     size_t length;
 165     char *value;
 166 } Ssh_gss_buf;
 167
 168 #define SSH_GSS_EMPTY_BUF (Ssh_gss_buf) {0,NULL}
 169 typedef void *Ssh_gss_name;
 170 */
 171 #endif
 172
 173 /*
 174  * Window handles for the windows that can be running during a
 175  * PuTTY session.
 176  */
 177 GLOBAL HWND hwnd;       /* the main terminal window */
 178 GLOBAL HWND logbox;
 179
 180 /*
 181  * The all-important instance handle.
 182  */
 183 GLOBAL HINSTANCE hinst;
 184
 185 /*
 186  * Help file stuff in winhelp.c.
 187  */
 188 void init_help(void);
 189 void shutdown_help(void);
 190 int has_help(void);
 191 void launch_help(HWND hwnd, const char *topic);
 192 void quit_help(HWND hwnd);
 193
 194 /*
 195  * The terminal and logging context are notionally local to the
 196  * Windows front end, but they must be shared between window.c and
 197  * windlg.c. Likewise the saved-sessions list.
 198  */
 199 GLOBAL Terminal *term;
 200 GLOBAL void *logctx;
 201
 202 #define WM_NETEVENT  (WM_APP + 5)
 203
 204 /*
 205  * On Windows, we send MA_2CLK as the only event marking the second
 206  * press of a mouse button. Compare unix.h.
 207  */
 208 #define MULTICLICK_ONLY_EVENT 1
 209
 210 /*
 211  * On Windows, data written to the clipboard must be NUL-terminated.
 212  */
 213 #define SELECTION_NUL_TERMINATED 1
 214
 215 /*
 216  * On Windows, copying to the clipboard terminates lines with CRLF.
 217  */
 218 #define SEL_NL { 13, 10 }
 219
 220 /*
 221  * sk_getxdmdata() does not exist under Windows (not that I
 222  * couldn't write it if I wanted to, but I haven't bothered), so
 223  * it's a macro which always returns NULL. With any luck this will
 224  * cause the compiler to notice it can optimise away the
 225  * implementation of XDM-AUTHORIZATION-1 in x11fwd.c :-)
 226  */
 227 #define sk_getxdmdata(socket, lenp) (NULL)
 228
 229 /*
 230  * File-selector filter strings used in the config box. On Windows,
 231  * these strings are of exactly the type needed to go in
 232  * `lpstrFilter' in an OPENFILENAME structure.
 233  */
 234 #define FILTER_KEY_FILES ("PuTTY Private Key Files (*.ppk)\0*.ppk\0" \
 235                               "All Files (*.*)\0*\0\0\0")
 236 #define FILTER_WAVE_FILES ("Wave Files (*.wav)\0*.WAV\0" \
 237                                "All Files (*.*)\0*\0\0\0")
 238 #define FILTER_DYNLIB_FILES ("Dynamic Library Files (*.dll)\0*.dll\0" \
 239                                  "All Files (*.*)\0*\0\0\0")
 240
 241 /*
 242  * winnet.c dynamically loads WinSock 2 or WinSock 1 depending on
 243  * what it can get, which means any WinSock routines used outside
 244  * that module must be exported from it as function pointers. So
 245  * here they are.
 246  */
 247 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAAsyncSelect,
 248                       (SOCKET, HWND, u_int, long));
 249 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAEventSelect,
 250                       (SOCKET, WSAEVENT, long));
 251 DECL_WINDOWS_FUNCTION(GLOBAL, int, select,
 252                       (int, fd_set FAR *, fd_set FAR *,
 253                        fd_set FAR *, const struct timeval FAR *));
 254 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAGetLastError, (void));
 255 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAEnumNetworkEvents,
 256                       (SOCKET, WSAEVENT, LPWSANETWORKEVENTS));
 257
 258 extern int socket_writable(SOCKET skt);
 259
 260 extern void socket_reselect_all(void);
 261
 262 /*
 263  * Exports from winctrls.c.
 264  */
 265
 266 struct ctlpos {
 267     HWND hwnd;
 268     WPARAM font;
 269     int dlu4inpix;
 270     int ypos, width;
 271     int xoff;
 272     int boxystart, boxid;
 273     char *boxtext;
 274 };
 275
 276 /*
 277  * Exports from winutils.c.
 278  */
 279 typedef struct filereq_tag filereq; /* cwd for file requester */
 280 BOOL request_file(filereq *state, OPENFILENAME *of, int preserve, int save);
 281 filereq *filereq_new(void);
 282 void filereq_free(filereq *state);
 283 int message_box(LPCTSTR text, LPCTSTR caption, DWORD style, DWORD helpctxid);
 284 char *GetDlgItemText_alloc(HWND hwnd, int id);
 285 void split_into_argv(char *, int *, char ***, char ***);
 286
 287 /*
 288  * Private structure for prefslist state. Only in the header file
 289  * so that we can delegate allocation to callers.
 290  */
 291 struct prefslist {
 292     int listid, upbid, dnbid;
 293     int srcitem;
 294     int dummyitem;
 295     int dragging;
 296 };
 297
 298 /*
 299  * This structure is passed to event handler functions as the `dlg'
 300  * parameter, and hence is passed back to winctrls access functions.
 301  */
 302 struct dlgparam {
 303     HWND hwnd;                         /* the hwnd of the dialog box */
 304     struct winctrls *controltrees[8];  /* can have several of these */
 305     int nctrltrees;
 306     char *wintitle;                    /* title of actual window */
 307     char *errtitle;                    /* title of error sub-messageboxes */
 308     void *data;                        /* data to pass in refresh events */
 309     union control *focused, *lastfocused; /* which ctrl has focus now/before */
 310     char shortcuts[128];               /* track which shortcuts in use */
 311     int coloursel_wanted;              /* has an event handler asked for
 312                                         * a colour selector? */
 313     struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
 314     tree234 *privdata;                 /* stores per-control private data */
 315     int ended, endresult;              /* has the dialog been ended? */
 316     int fixed_pitch_fonts;             /* are we constrained to fixed fonts? */
 317 };
 318
 319 /*
 320  * Exports from winctrls.c.
 321  */
 322 void ctlposinit(struct ctlpos *cp, HWND hwnd,
 323                 int leftborder, int rightborder, int topborder);
 324 HWND doctl(struct ctlpos *cp, RECT r,
 325            char *wclass, int wstyle, int exstyle, char *wtext, int wid);
 326 void bartitle(struct ctlpos *cp, char *name, int id);
 327 void beginbox(struct ctlpos *cp, char *name, int idbox);
 328 void endbox(struct ctlpos *cp);
 329 void editboxfw(struct ctlpos *cp, int password, char *text,
 330                int staticid, int editid);
 331 void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...);
 332 void bareradioline(struct ctlpos *cp, int nacross, ...);
 333 void radiobig(struct ctlpos *cp, char *text, int id, ...);
 334 void checkbox(struct ctlpos *cp, char *text, int id);
 335 void statictext(struct ctlpos *cp, char *text, int lines, int id);
 336 void staticbtn(struct ctlpos *cp, char *stext, int sid,
 337                char *btext, int bid);
 338 void static2btn(struct ctlpos *cp, char *stext, int sid,
 339                 char *btext1, int bid1, char *btext2, int bid2);
 340 void staticedit(struct ctlpos *cp, char *stext,
 341                 int sid, int eid, int percentedit);
 342 void staticddl(struct ctlpos *cp, char *stext,
 343                int sid, int lid, int percentlist);
 344 void combobox(struct ctlpos *cp, char *text, int staticid, int listid);
 345 void staticpassedit(struct ctlpos *cp, char *stext,
 346                     int sid, int eid, int percentedit);
 347 void bigeditctrl(struct ctlpos *cp, char *stext,
 348                  int sid, int eid, int lines);
 349 void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id);
 350 void editbutton(struct ctlpos *cp, char *stext, int sid,
 351                 int eid, char *btext, int bid);
 352 void sesssaver(struct ctlpos *cp, char *text,
 353                int staticid, int editid, int listid, ...);
 354 void envsetter(struct ctlpos *cp, char *stext, int sid,
 355                char *e1stext, int e1sid, int e1id,
 356                char *e2stext, int e2sid, int e2id,
 357                int listid, char *b1text, int b1id, char *b2text, int b2id);
 358 void charclass(struct ctlpos *cp, char *stext, int sid, int listid,
 359                char *btext, int bid, int eid, char *s2text, int s2id);
 360 void colouredit(struct ctlpos *cp, char *stext, int sid, int listid,
 361                 char *btext, int bid, ...);
 362 void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
 363                char *stext, int sid, int listid, int upbid, int dnbid);
 364 int handle_prefslist(struct prefslist *hdl,
 365                      int *array, int maxmemb,
 366                      int is_dlmsg, HWND hwnd,
 367                      WPARAM wParam, LPARAM lParam);
 368 void progressbar(struct ctlpos *cp, int id);
 369 void fwdsetter(struct ctlpos *cp, int listid, char *stext, int sid,
 370                char *e1stext, int e1sid, int e1id,
 371                char *e2stext, int e2sid, int e2id,
 372                char *btext, int bid,
 373                char *r1text, int r1id, char *r2text, int r2id);
 374
 375 void dlg_auto_set_fixed_pitch_flag(void *dlg);
 376 int dlg_get_fixed_pitch_flag(void *dlg);
 377 void dlg_set_fixed_pitch_flag(void *dlg, int flag);
 378
 379 #define MAX_SHORTCUTS_PER_CTRL 16
 380
 381 /*
 382  * This structure is what's stored for each `union control' in the
 383  * portable-dialog interface.
 384  */
 385 struct winctrl {
 386     union control *ctrl;
 387     /*
 388      * The control may have several components at the Windows
 389      * level, with different dialog IDs. To avoid needing N
 390      * separate platformsidectrl structures (which could be stored
 391      * separately in a tree234 so that lookup by ID worked), we
 392      * impose the constraint that those IDs must be in a contiguous
 393      * block.
 394      */
 395     int base_id;
 396     int num_ids;
 397     /*
 398      * Remember what keyboard shortcuts were used by this control,
 399      * so that when we remove it again we can take them out of the
 400      * list in the dlgparam.
 401      */
 402     char shortcuts[MAX_SHORTCUTS_PER_CTRL];
 403     /*
 404      * Some controls need a piece of allocated memory in which to
 405      * store temporary data about the control.
 406      */
 407     void *data;
 408 };
 409 /*
 410  * And this structure holds a set of the above, in two separate
 411  * tree234s so that it can find an item by `union control' or by
 412  * dialog ID.
 413  */
 414 struct winctrls {
 415     tree234 *byctrl, *byid;
 416 };
 417 struct controlset;
 418 struct controlbox;
 419
 420 void winctrl_init(struct winctrls *);
 421 void winctrl_cleanup(struct winctrls *);
 422 void winctrl_add(struct winctrls *, struct winctrl *);
 423 void winctrl_remove(struct winctrls *, struct winctrl *);
 424 struct winctrl *winctrl_findbyctrl(struct winctrls *, union control *);
 425 struct winctrl *winctrl_findbyid(struct winctrls *, int);
 426 struct winctrl *winctrl_findbyindex(struct winctrls *, int);
 427 void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
 428                     struct ctlpos *cp, struct controlset *s, int *id);
 429 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
 430                            WPARAM wParam, LPARAM lParam);
 431 void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c);
 432 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id);
 433
 434 void dp_init(struct dlgparam *dp);
 435 void dp_add_tree(struct dlgparam *dp, struct winctrls *tree);
 436 void dp_cleanup(struct dlgparam *dp);
 437
 438 /*
 439  * Exports from wincfg.c.
 440  */
 441 void win_setup_config_box(struct controlbox *b, HWND *hwndp, int has_help,
 442                           int midsession, int protocol);
 443
 444 /*
 445  * Exports from windlg.c.
 446  */
 447 void defuse_showwindow(void);
 448 int do_config(void);
 449 int do_reconfig(HWND, int);
 450 void showeventlog(HWND);
 451 void showabout(HWND);
 452 void force_normal(HWND hwnd);
 453 void modal_about_box(HWND hwnd);
 454 void show_help(HWND hwnd);
 455
 456 /*
 457  * Exports from winmisc.c.
 458  */
 459 extern OSVERSIONINFO osVersion;
 460 BOOL init_winver(void);
 461 HMODULE load_system32_dll(const char *libname);
 462
 463 /*
 464  * Exports from sizetip.c.
 465  */
 466 void UpdateSizeTip(HWND src, int cx, int cy);
 467 void EnableSizeTip(int bEnable);
 468
 469 /*
 470  * Exports from unicode.c.
 471  */
 472 struct unicode_data;
 473 void init_ucs(Conf *, struct unicode_data *);
 474
 475 /*
 476  * Exports from winhandl.c.
 477  */
 478 #define HANDLE_FLAG_OVERLAPPED 1
 479 #define HANDLE_FLAG_IGNOREEOF 2
 480 #define HANDLE_FLAG_UNITBUFFER 4
 481 struct handle;
 482 typedef int (*handle_inputfn_t)(struct handle *h, void *data, int len);
 483 typedef void (*handle_outputfn_t)(struct handle *h, int new_backlog);
 484 struct handle *handle_input_new(HANDLE handle, handle_inputfn_t gotdata,
 485                                 void *privdata, int flags);
 486 struct handle *handle_output_new(HANDLE handle, handle_outputfn_t sentdata,
 487                                  void *privdata, int flags);
 488 int handle_write(struct handle *h, const void *data, int len);
 489 void handle_write_eof(struct handle *h);
 490 HANDLE *handle_get_events(int *nevents);
 491 void handle_free(struct handle *h);
 492 void handle_got_event(HANDLE event);
 493 void handle_unthrottle(struct handle *h, int backlog);
 494 int handle_backlog(struct handle *h);
 495 void *handle_get_privdata(struct handle *h);
 496
 497 /*
 498  * winpgntc.c needs to schedule callbacks for asynchronous agent
 499  * requests. This has to be done differently in GUI and console, so
 500  * there's an exported function used for the purpose.
 501  *
 502  * Also, we supply FLAG_SYNCAGENT to force agent requests to be
 503  * synchronous in pscp and psftp.
 504  */
 505 void agent_schedule_callback(void (*callback)(void *, void *, int),
 506                              void *callback_ctx, void *data, int len);
 507 #define FLAG_SYNCAGENT 0x1000
 508
 509 /*
 510  * winpgntc.c also exports these two functions which are used by the
 511  * server side of Pageant as well, to get the user SID for comparing
 512  * with clients'.
 513  */
 514 int init_advapi(void);  /* initialises everything needed by get_user_sid */
 515 PSID get_user_sid(void);
 516
 517 /*
 518  * Exports from winser.c.
 519  */
 520 extern Backend serial_backend;
 521
 522 /*
 523  * Exports from winjump.c.
 524  */
 525 #define JUMPLIST_SUPPORTED             /* suppress #defines in putty.h */
 526 void add_session_to_jumplist(const char * const sessionname);
 527 void remove_session_from_jumplist(const char * const sessionname);
 528 void clear_jumplist(void);
 529
 530 /*
 531  * Extra functions in winstore.c over and above the interface in
 532  * storage.h.
 533  *
 534  * These functions manipulate the Registry section which mirrors the
 535  * current Windows 7 jump list. (Because the real jump list storage is
 536  * write-only, we need to keep another copy of whatever we put in it,
 537  * so that we can put in a slightly modified version the next time.)
 538  */
 539
 540 /* Adds a saved session to the registry jump list mirror. 'item' is a
 541  * string naming a saved session. */
 542 int add_to_jumplist_registry(const char *item);
 543
 544 /* Removes an item from the registry jump list mirror. */
 545 int remove_from_jumplist_registry(const char *item);
 546
 547 /* Returns the current jump list entries from the registry. Caller
 548  * must free the returned pointer, which points to a contiguous
 549  * sequence of NUL-terminated strings in memory, terminated with an
 550  * empty one. */
 551 char *get_jumplist_registry_entries(void);
 552
 553 #endif