#include <stdlib.h>
#include <ctype.h>
+#include "putty.h"
#include "misc.h"
#ifdef TESTMODE
-/* Definitions to allow this module to be compiled standalone for testing. */
+/* Definitions to allow this module to be compiled standalone for testing
+ * split_into_argv(). */
#define smalloc malloc
#define srealloc realloc
#define sfree free
#endif
/*
- * Split a complete command line into argc/argv, attempting to do
- * it exactly the same way Windows itself would do it (so that
- * console utilities, which receive argc and argv from Windows,
- * will have their command lines processed in the same way as GUI
- * utilities which get a whole command line and must break it
- * themselves).
+ * GetOpenFileName/GetSaveFileName tend to muck around with the process'
+ * working directory on at least some versions of Windows.
+ * Here's a wrapper that gives more control over this, and hides a little
+ * bit of other grottiness.
+ */
+
+struct filereq_tag {
+ TCHAR cwd[MAX_PATH];
+};
+
+/*
+ * `of' is expected to be initialised with most interesting fields, but
+ * this function does some administrivia. (assume `of' was memset to 0)
+ * save==1 -> GetSaveFileName; save==0 -> GetOpenFileName
+ * `state' is optional.
+ */
+BOOL request_file(filereq *state, OPENFILENAME *of, int preserve, int save)
+{
+ TCHAR cwd[MAX_PATH]; /* process CWD */
+ BOOL ret;
+
+ /* Get process CWD */
+ if (preserve) {
+ DWORD r = GetCurrentDirectory(lenof(cwd), cwd);
+ if (r == 0 || r >= lenof(cwd))
+ /* Didn't work, oh well. Stop trying to be clever. */
+ preserve = 0;
+ }
+
+ /* Open the file requester, maybe setting lpstrInitialDir */
+ {
+#ifdef OPENFILENAME_SIZE_VERSION_400
+ of->lStructSize = OPENFILENAME_SIZE_VERSION_400;
+#else
+ of->lStructSize = sizeof(*of);
+#endif
+ of->lpstrInitialDir = (state && state->cwd[0]) ? state->cwd : NULL;
+ /* Actually put up the requester. */
+ ret = save ? GetSaveFileName(of) : GetOpenFileName(of);
+ }
+
+ /* Get CWD left by requester */
+ if (state) {
+ DWORD r = GetCurrentDirectory(lenof(state->cwd), state->cwd);
+ if (r == 0 || r >= lenof(state->cwd))
+ /* Didn't work, oh well. */
+ state->cwd[0] = '\0';
+ }
+
+ /* Restore process CWD */
+ if (preserve)
+ /* If it fails, there's not much we can do. */
+ (void) SetCurrentDirectory(cwd);
+
+ return ret;
+}
+
+filereq *filereq_new(void)
+{
+ filereq *ret = snew(filereq);
+ ret->cwd[0] = '\0';
+ return ret;
+}
+
+void filereq_free(filereq *state)
+{
+ sfree(state);
+}
+
+/*
+ * Message box with optional context help.
+ */
+
+/* Callback function to launch context help. */
+static VOID CALLBACK message_box_help_callback(LPHELPINFO lpHelpInfo)
+{
+ char *context = NULL;
+#define CHECK_CTX(name) \
+ do { \
+ if (lpHelpInfo->dwContextId == WINHELP_CTXID_ ## name) \
+ context = WINHELP_CTX_ ## name; \
+ } while (0)
+ CHECK_CTX(errors_hostkey_absent);
+ CHECK_CTX(errors_hostkey_changed);
+ CHECK_CTX(errors_cantloadkey);
+ CHECK_CTX(option_cleanup);
+ CHECK_CTX(pgp_fingerprints);
+#undef CHECK_CTX
+ if (context)
+ launch_help(hwnd, context);
+}
+
+int message_box(LPCTSTR text, LPCTSTR caption, DWORD style, DWORD helpctxid)
+{
+ MSGBOXPARAMS mbox;
+
+ /*
+ * We use MessageBoxIndirect() because it allows us to specify a
+ * callback function for the Help button.
+ */
+ mbox.cbSize = sizeof(mbox);
+ /* Assumes the globals `hinst' and `hwnd' have sensible values. */
+ mbox.hInstance = hinst;
+ mbox.hwndOwner = hwnd;
+ mbox.lpfnMsgBoxCallback = &message_box_help_callback;
+ mbox.dwLanguageId = LANG_NEUTRAL;
+ mbox.lpszText = text;
+ mbox.lpszCaption = caption;
+ mbox.dwContextHelpId = helpctxid;
+ mbox.dwStyle = style;
+ if (helpctxid != 0 && has_help()) mbox.dwStyle |= MB_HELP;
+ return MessageBoxIndirect(&mbox);
+}
+
+/*
+ * Display the fingerprints of the PGP Master Keys to the user.
+ */
+void pgp_fingerprints(void)
+{
+ message_box("These are the fingerprints of the PuTTY PGP Master Keys. They can\n"
+ "be used to establish a trust path from this executable to another\n"
+ "one. See the manual for more information.\n"
+ "(Note: these fingerprints have nothing to do with SSH!)\n"
+ "\n"
+ "PuTTY Master Key (RSA), 1024-bit:\n"
+ " " PGP_RSA_MASTER_KEY_FP "\n"
+ "PuTTY Master Key (DSA), 1024-bit:\n"
+ " " PGP_DSA_MASTER_KEY_FP,
+ "PGP fingerprints", MB_ICONINFORMATION | MB_OK,
+ HELPCTXID(pgp_fingerprints));
+}
+
+/*
+ * Handy wrapper around GetDlgItemText which doesn't make you invent
+ * an arbitrary length limit on the output string. Returned string is
+ * dynamically allocated; caller must free.
+ */
+char *GetDlgItemText_alloc(HWND hwnd, int id)
+{
+ char *ret = NULL;
+ int size = 0;
+
+ do {
+ size = size * 4 / 3 + 512;
+ ret = sresize(ret, size, char);
+ GetDlgItemText(hwnd, id, ret, size);
+ } while (!memchr(ret, '\0', size-1));
+
+ return ret;
+}
+
+/*
+ * Split a complete command line into argc/argv, attempting to do it
+ * exactly the same way the Visual Studio C library would do it (so
+ * that our console utilities, which receive argc and argv already
+ * broken apart by the C library, will have their command lines
+ * processed in the same way as the GUI utilities which get a whole
+ * command line and must call this function).
*
* Does not modify the input command line.
*
int outputargc;
/*
- * At first glance the rules appeared to be:
+ * These argument-breaking rules apply to Visual Studio 7, which
+ * is currently the compiler expected to be used for PuTTY. Visual
+ * Studio 10 has different rules, lacking the curious mod 3
+ * behaviour of consecutive quotes described below; I presume they
+ * fixed a bug. As and when we migrate to a newer compiler, we'll
+ * have to adjust this to match; however, for the moment we
+ * faithfully imitate in our GUI utilities what our CLI utilities
+ * can't be prevented from doing.
+ *
+ * When I investigated this, at first glance the rules appeared to
+ * be:
*
* - Single quotes are not special characters.
*
~mdw / sgt / putty / blobdiff