git.distorted.org.uk Git - u/mdw/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 #ifndef NO_SECUREZEROMEMORY
  79 #define PLATFORM_HAS_SMEMCLR /* inhibit cross-platform one in misc.c */
  80 #endif
  81
  82 /*
  83  * Dynamically linked functions. These come in two flavours:
  84  *
  85  *  - GET_WINDOWS_FUNCTION does not expose "name" to the preprocessor,
  86  *    so will always dynamically link against exactly what is specified
  87  *    in "name". If you're not sure, use this one.
  88  *
  89  *  - GET_WINDOWS_FUNCTION_PP allows "name" to be redirected via
  90  *    preprocessor definitions like "#define foo bar"; this is principally
  91  *    intended for the ANSI/Unicode DoSomething/DoSomethingA/DoSomethingW.
  92  *    If your function has an argument of type "LPTSTR" or similar, this
  93  *    is the variant to use.
  94  *    (However, it can't always be used, as it trips over more complicated
  95  *    macro trickery such as the WspiapiGetAddrInfo wrapper for getaddrinfo.)
  96  *
  97  * (DECL_WINDOWS_FUNCTION works with both these variants.)
  98  */
  99 #define DECL_WINDOWS_FUNCTION(linkage, rettype, name, params) \
 100     typedef rettype (WINAPI *t_##name) params; \
 101     linkage t_##name p_##name
 102 #define STR1(x) #x
 103 #define STR(x) STR1(x)
 104 #define GET_WINDOWS_FUNCTION_PP(module, name) \
 105     (p_##name = module ? (t_##name) GetProcAddress(module, STR(name)) : NULL)
 106 #define GET_WINDOWS_FUNCTION(module, name) \
 107     (p_##name = module ? (t_##name) GetProcAddress(module, #name) : NULL)
 108
 109 /*
 110  * Global variables. Most modules declare these `extern', but
 111  * window.c will do `#define PUTTY_DO_GLOBALS' before including this
 112  * module, and so will get them properly defined.
 113 */
 114 #ifndef GLOBAL
 115 #ifdef PUTTY_DO_GLOBALS
 116 #define GLOBAL
 117 #else
 118 #define GLOBAL extern
 119 #endif
 120 #endif
 121
 122 #ifndef DONE_TYPEDEFS
 123 #define DONE_TYPEDEFS
 124 typedef struct conf_tag Conf;
 125 typedef struct backend_tag Backend;
 126 typedef struct terminal_tag Terminal;
 127 #endif
 128
 129 #define PUTTY_REG_POS "Software\\SimonTatham\\PuTTY"
 130 #define PUTTY_REG_PARENT "Software\\SimonTatham"
 131 #define PUTTY_REG_PARENT_CHILD "PuTTY"
 132 #define PUTTY_REG_GPARENT "Software"
 133 #define PUTTY_REG_GPARENT_CHILD "SimonTatham"
 134
 135 /* Result values for the jumplist registry functions. */
 136 #define JUMPLISTREG_OK 0
 137 #define JUMPLISTREG_ERROR_INVALID_PARAMETER 1
 138 #define JUMPLISTREG_ERROR_KEYOPENCREATE_FAILURE 2
 139 #define JUMPLISTREG_ERROR_VALUEREAD_FAILURE 3
 140 #define JUMPLISTREG_ERROR_VALUEWRITE_FAILURE 4
 141 #define JUMPLISTREG_ERROR_INVALID_VALUE 5
 142
 143 #define PUTTY_HELP_FILE "putty.hlp"
 144 #define PUTTY_CHM_FILE "putty.chm"
 145 #define PUTTY_HELP_CONTENTS "putty.cnt"
 146
 147 #define GETTICKCOUNT GetTickCount
 148 #define CURSORBLINK GetCaretBlinkTime()
 149 #define TICKSPERSEC 1000               /* GetTickCount returns milliseconds */
 150
 151 #define DEFAULT_CODEPAGE CP_ACP
 152 #define USES_VTLINE_HACK
 153
 154 typedef HDC Context;
 155
 156 typedef unsigned int uint32; /* int is 32-bits on Win32 and Win64. */
 157 #define PUTTY_UINT32_DEFINED
 158
 159 #ifndef NO_GSSAPI
 160 /*
 161  * GSS-API stuff
 162  */
 163 #define GSS_CC CALLBACK
 164 /*
 165 typedef struct Ssh_gss_buf {
 166     size_t length;
 167     char *value;
 168 } Ssh_gss_buf;
 169
 170 #define SSH_GSS_EMPTY_BUF (Ssh_gss_buf) {0,NULL}
 171 typedef void *Ssh_gss_name;
 172 */
 173 #endif
 174
 175 /*
 176  * Window handles for the windows that can be running during a
 177  * PuTTY session.
 178  */
 179 GLOBAL HWND hwnd;       /* the main terminal window */
 180 GLOBAL HWND logbox;
 181
 182 /*
 183  * The all-important instance handle.
 184  */
 185 GLOBAL HINSTANCE hinst;
 186
 187 /*
 188  * Help file stuff in winhelp.c.
 189  */
 190 void init_help(void);
 191 void shutdown_help(void);
 192 int has_help(void);
 193 void launch_help(HWND hwnd, const char *topic);
 194 void quit_help(HWND hwnd);
 195
 196 /*
 197  * The terminal and logging context are notionally local to the
 198  * Windows front end, but they must be shared between window.c and
 199  * windlg.c. Likewise the saved-sessions list.
 200  */
 201 GLOBAL Terminal *term;
 202 GLOBAL void *logctx;
 203
 204 #define WM_NETEVENT  (WM_APP + 5)
 205
 206 /*
 207  * On Windows, we send MA_2CLK as the only event marking the second
 208  * press of a mouse button. Compare unix.h.
 209  */
 210 #define MULTICLICK_ONLY_EVENT 1
 211
 212 /*
 213  * On Windows, data written to the clipboard must be NUL-terminated.
 214  */
 215 #define SELECTION_NUL_TERMINATED 1
 216
 217 /*
 218  * On Windows, copying to the clipboard terminates lines with CRLF.
 219  */
 220 #define SEL_NL { 13, 10 }
 221
 222 /*
 223  * sk_getxdmdata() does not exist under Windows (not that I
 224  * couldn't write it if I wanted to, but I haven't bothered), so
 225  * it's a macro which always returns NULL. With any luck this will
 226  * cause the compiler to notice it can optimise away the
 227  * implementation of XDM-AUTHORIZATION-1 in x11fwd.c :-)
 228  */
 229 #define sk_getxdmdata(socket, lenp) (NULL)
 230
 231 /*
 232  * File-selector filter strings used in the config box. On Windows,
 233  * these strings are of exactly the type needed to go in
 234  * `lpstrFilter' in an OPENFILENAME structure.
 235  */
 236 #define FILTER_KEY_FILES ("PuTTY Private Key Files (*.ppk)\0*.ppk\0" \
 237                               "All Files (*.*)\0*\0\0\0")
 238 #define FILTER_WAVE_FILES ("Wave Files (*.wav)\0*.WAV\0" \
 239                                "All Files (*.*)\0*\0\0\0")
 240 #define FILTER_DYNLIB_FILES ("Dynamic Library Files (*.dll)\0*.dll\0" \
 241                                  "All Files (*.*)\0*\0\0\0")
 242
 243 /*
 244  * winnet.c dynamically loads WinSock 2 or WinSock 1 depending on
 245  * what it can get, which means any WinSock routines used outside
 246  * that module must be exported from it as function pointers. So
 247  * here they are.
 248  */
 249 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAAsyncSelect,
 250                       (SOCKET, HWND, u_int, long));
 251 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAEventSelect,
 252                       (SOCKET, WSAEVENT, long));
 253 DECL_WINDOWS_FUNCTION(GLOBAL, int, select,
 254                       (int, fd_set FAR *, fd_set FAR *,
 255                        fd_set FAR *, const struct timeval FAR *));
 256 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAGetLastError, (void));
 257 DECL_WINDOWS_FUNCTION(GLOBAL, int, WSAEnumNetworkEvents,
 258                       (SOCKET, WSAEVENT, LPWSANETWORKEVENTS));
 259
 260 extern int socket_writable(SOCKET skt);
 261
 262 extern void socket_reselect_all(void);
 263
 264 /*
 265  * Exports from winctrls.c.
 266  */
 267
 268 struct ctlpos {
 269     HWND hwnd;
 270     WPARAM font;
 271     int dlu4inpix;
 272     int ypos, width;
 273     int xoff;
 274     int boxystart, boxid;
 275     char *boxtext;
 276 };
 277
 278 /*
 279  * Exports from winutils.c.
 280  */
 281 typedef struct filereq_tag filereq; /* cwd for file requester */
 282 BOOL request_file(filereq *state, OPENFILENAME *of, int preserve, int save);
 283 filereq *filereq_new(void);
 284 void filereq_free(filereq *state);
 285 int message_box(LPCTSTR text, LPCTSTR caption, DWORD style, DWORD helpctxid);
 286 char *GetDlgItemText_alloc(HWND hwnd, int id);
 287 void split_into_argv(char *, int *, char ***, char ***);
 288
 289 /*
 290  * Private structure for prefslist state. Only in the header file
 291  * so that we can delegate allocation to callers.
 292  */
 293 struct prefslist {
 294     int listid, upbid, dnbid;
 295     int srcitem;
 296     int dummyitem;
 297     int dragging;
 298 };
 299
 300 /*
 301  * This structure is passed to event handler functions as the `dlg'
 302  * parameter, and hence is passed back to winctrls access functions.
 303  */
 304 struct dlgparam {
 305     HWND hwnd;                         /* the hwnd of the dialog box */
 306     struct winctrls *controltrees[8];  /* can have several of these */
 307     int nctrltrees;
 308     char *wintitle;                    /* title of actual window */
 309     char *errtitle;                    /* title of error sub-messageboxes */
 310     void *data;                        /* data to pass in refresh events */
 311     union control *focused, *lastfocused; /* which ctrl has focus now/before */
 312     char shortcuts[128];               /* track which shortcuts in use */
 313     int coloursel_wanted;              /* has an event handler asked for
 314                                         * a colour selector? */
 315     struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
 316     tree234 *privdata;                 /* stores per-control private data */
 317     int ended, endresult;              /* has the dialog been ended? */
 318     int fixed_pitch_fonts;             /* are we constrained to fixed fonts? */
 319 };
 320
 321 /*
 322  * Exports from winctrls.c.
 323  */
 324 void ctlposinit(struct ctlpos *cp, HWND hwnd,
 325                 int leftborder, int rightborder, int topborder);
 326 HWND doctl(struct ctlpos *cp, RECT r,
 327            char *wclass, int wstyle, int exstyle, char *wtext, int wid);
 328 void bartitle(struct ctlpos *cp, char *name, int id);
 329 void beginbox(struct ctlpos *cp, char *name, int idbox);
 330 void endbox(struct ctlpos *cp);
 331 void editboxfw(struct ctlpos *cp, int password, char *text,
 332                int staticid, int editid);
 333 void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...);
 334 void bareradioline(struct ctlpos *cp, int nacross, ...);
 335 void radiobig(struct ctlpos *cp, char *text, int id, ...);
 336 void checkbox(struct ctlpos *cp, char *text, int id);
 337 void statictext(struct ctlpos *cp, char *text, int lines, int id);
 338 void staticbtn(struct ctlpos *cp, char *stext, int sid,
 339                char *btext, int bid);
 340 void static2btn(struct ctlpos *cp, char *stext, int sid,
 341                 char *btext1, int bid1, char *btext2, int bid2);
 342 void staticedit(struct ctlpos *cp, char *stext,
 343                 int sid, int eid, int percentedit);
 344 void staticddl(struct ctlpos *cp, char *stext,
 345                int sid, int lid, int percentlist);
 346 void combobox(struct ctlpos *cp, char *text, int staticid, int listid);
 347 void staticpassedit(struct ctlpos *cp, char *stext,
 348                     int sid, int eid, int percentedit);
 349 void bigeditctrl(struct ctlpos *cp, char *stext,
 350                  int sid, int eid, int lines);
 351 void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id);
 352 void editbutton(struct ctlpos *cp, char *stext, int sid,
 353                 int eid, char *btext, int bid);
 354 void sesssaver(struct ctlpos *cp, char *text,
 355                int staticid, int editid, int listid, ...);
 356 void envsetter(struct ctlpos *cp, char *stext, int sid,
 357                char *e1stext, int e1sid, int e1id,
 358                char *e2stext, int e2sid, int e2id,
 359                int listid, char *b1text, int b1id, char *b2text, int b2id);
 360 void charclass(struct ctlpos *cp, char *stext, int sid, int listid,
 361                char *btext, int bid, int eid, char *s2text, int s2id);
 362 void colouredit(struct ctlpos *cp, char *stext, int sid, int listid,
 363                 char *btext, int bid, ...);
 364 void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
 365                char *stext, int sid, int listid, int upbid, int dnbid);
 366 int handle_prefslist(struct prefslist *hdl,
 367                      int *array, int maxmemb,
 368                      int is_dlmsg, HWND hwnd,
 369                      WPARAM wParam, LPARAM lParam);
 370 void progressbar(struct ctlpos *cp, int id);
 371 void fwdsetter(struct ctlpos *cp, int listid, char *stext, int sid,
 372                char *e1stext, int e1sid, int e1id,
 373                char *e2stext, int e2sid, int e2id,
 374                char *btext, int bid,
 375                char *r1text, int r1id, char *r2text, int r2id);
 376
 377 void dlg_auto_set_fixed_pitch_flag(void *dlg);
 378 int dlg_get_fixed_pitch_flag(void *dlg);
 379 void dlg_set_fixed_pitch_flag(void *dlg, int flag);
 380
 381 #define MAX_SHORTCUTS_PER_CTRL 16
 382
 383 /*
 384  * This structure is what's stored for each `union control' in the
 385  * portable-dialog interface.
 386  */
 387 struct winctrl {
 388     union control *ctrl;
 389     /*
 390      * The control may have several components at the Windows
 391      * level, with different dialog IDs. To avoid needing N
 392      * separate platformsidectrl structures (which could be stored
 393      * separately in a tree234 so that lookup by ID worked), we
 394      * impose the constraint that those IDs must be in a contiguous
 395      * block.
 396      */
 397     int base_id;
 398     int num_ids;
 399     /*
 400      * Remember what keyboard shortcuts were used by this control,
 401      * so that when we remove it again we can take them out of the
 402      * list in the dlgparam.
 403      */
 404     char shortcuts[MAX_SHORTCUTS_PER_CTRL];
 405     /*
 406      * Some controls need a piece of allocated memory in which to
 407      * store temporary data about the control.
 408      */
 409     void *data;
 410 };
 411 /*
 412  * And this structure holds a set of the above, in two separate
 413  * tree234s so that it can find an item by `union control' or by
 414  * dialog ID.
 415  */
 416 struct winctrls {
 417     tree234 *byctrl, *byid;
 418 };
 419 struct controlset;
 420 struct controlbox;
 421
 422 void winctrl_init(struct winctrls *);
 423 void winctrl_cleanup(struct winctrls *);
 424 void winctrl_add(struct winctrls *, struct winctrl *);
 425 void winctrl_remove(struct winctrls *, struct winctrl *);
 426 struct winctrl *winctrl_findbyctrl(struct winctrls *, union control *);
 427 struct winctrl *winctrl_findbyid(struct winctrls *, int);
 428 struct winctrl *winctrl_findbyindex(struct winctrls *, int);
 429 void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
 430                     struct ctlpos *cp, struct controlset *s, int *id);
 431 int winctrl_handle_command(struct dlgparam *dp, UINT msg,
 432                            WPARAM wParam, LPARAM lParam);
 433 void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c);
 434 int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id);
 435
 436 void dp_init(struct dlgparam *dp);
 437 void dp_add_tree(struct dlgparam *dp, struct winctrls *tree);
 438 void dp_cleanup(struct dlgparam *dp);
 439
 440 /*
 441  * Exports from wincfg.c.
 442  */
 443 void win_setup_config_box(struct controlbox *b, HWND *hwndp, int has_help,
 444                           int midsession, int protocol);
 445
 446 /*
 447  * Exports from windlg.c.
 448  */
 449 void defuse_showwindow(void);
 450 int do_config(void);
 451 int do_reconfig(HWND, int);
 452 void showeventlog(HWND);
 453 void showabout(HWND);
 454 void force_normal(HWND hwnd);
 455 void modal_about_box(HWND hwnd);
 456 void show_help(HWND hwnd);
 457
 458 /*
 459  * Exports from winmisc.c.
 460  */
 461 extern OSVERSIONINFO osVersion;
 462 BOOL init_winver(void);
 463 HMODULE load_system32_dll(const char *libname);
 464 const char *win_strerror(int error);
 465
 466 /*
 467  * Exports from sizetip.c.
 468  */
 469 void UpdateSizeTip(HWND src, int cx, int cy);
 470 void EnableSizeTip(int bEnable);
 471
 472 /*
 473  * Exports from unicode.c.
 474  */
 475 struct unicode_data;
 476 void init_ucs(Conf *, struct unicode_data *);
 477
 478 /*
 479  * Exports from winhandl.c.
 480  */
 481 #define HANDLE_FLAG_OVERLAPPED 1
 482 #define HANDLE_FLAG_IGNOREEOF 2
 483 #define HANDLE_FLAG_UNITBUFFER 4
 484 struct handle;
 485 typedef int (*handle_inputfn_t)(struct handle *h, void *data, int len);
 486 typedef void (*handle_outputfn_t)(struct handle *h, int new_backlog);
 487 struct handle *handle_input_new(HANDLE handle, handle_inputfn_t gotdata,
 488                                 void *privdata, int flags);
 489 struct handle *handle_output_new(HANDLE handle, handle_outputfn_t sentdata,
 490                                  void *privdata, int flags);
 491 int handle_write(struct handle *h, const void *data, int len);
 492 void handle_write_eof(struct handle *h);
 493 HANDLE *handle_get_events(int *nevents);
 494 void handle_free(struct handle *h);
 495 void handle_got_event(HANDLE event);
 496 void handle_unthrottle(struct handle *h, int backlog);
 497 int handle_backlog(struct handle *h);
 498 void *handle_get_privdata(struct handle *h);
 499
 500 /*
 501  * winpgntc.c needs to schedule callbacks for asynchronous agent
 502  * requests. This has to be done differently in GUI and console, so
 503  * there's an exported function used for the purpose.
 504  *
 505  * Also, we supply FLAG_SYNCAGENT to force agent requests to be
 506  * synchronous in pscp and psftp.
 507  */
 508 void agent_schedule_callback(void (*callback)(void *, void *, int),
 509                              void *callback_ctx, void *data, int len);
 510 #define FLAG_SYNCAGENT 0x1000
 511
 512 /*
 513  * winpgntc.c also exports these two functions which are used by the
 514  * server side of Pageant as well, to get the user SID for comparing
 515  * with clients'.
 516  */
 517 int init_advapi(void);  /* initialises everything needed by get_user_sid */
 518 PSID get_user_sid(void);
 519
 520 /*
 521  * Exports from winser.c.
 522  */
 523 extern Backend serial_backend;
 524
 525 /*
 526  * Exports from winjump.c.
 527  */
 528 #define JUMPLIST_SUPPORTED             /* suppress #defines in putty.h */
 529 void add_session_to_jumplist(const char * const sessionname);
 530 void remove_session_from_jumplist(const char * const sessionname);
 531 void clear_jumplist(void);
 532
 533 /*
 534  * Extra functions in winstore.c over and above the interface in
 535  * storage.h.
 536  *
 537  * These functions manipulate the Registry section which mirrors the
 538  * current Windows 7 jump list. (Because the real jump list storage is
 539  * write-only, we need to keep another copy of whatever we put in it,
 540  * so that we can put in a slightly modified version the next time.)
 541  */
 542
 543 /* Adds a saved session to the registry jump list mirror. 'item' is a
 544  * string naming a saved session. */
 545 int add_to_jumplist_registry(const char *item);
 546
 547 /* Removes an item from the registry jump list mirror. */
 548 int remove_from_jumplist_registry(const char *item);
 549
 550 /* Returns the current jump list entries from the registry. Caller
 551  * must free the returned pointer, which points to a contiguous
 552  * sequence of NUL-terminated strings in memory, terminated with an
 553  * empty one. */
 554 char *get_jumplist_registry_entries(void);
 555
 556 #endif