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git-extra: include an simple Win32
git askpass
This is a drop-in replacement for `git gui--askpass`. Since we added an option to use an external `ssh` found on the `PATH` (git-for-windows#367) we'll need an `askpass` implementation that can be called by any windows application even without understanding shebang lines. `git gui--askpass` probably also has the same problems with screenreaders that `git gui--askyesno` had(git-for-windows#234), so we'll likely get improved accessibility as a positive side-effect. Signed-off-by: Matthias Aßhauer <mha1993@live.de>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| #define WIN32_LEAN_AND_MEAN | ||
| #include <windows.h> | ||
| #include <stdlib.h> | ||
| #include <stdio.h> | ||
| #include "git-askpass.h" | ||
|
|
||
| INT_PTR CALLBACK PasswordProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam) | ||
| { | ||
| wchar_t *lpszPassword = NULL; | ||
| WORD cchPassword; | ||
|
|
||
| switch (message) | ||
| { | ||
| case WM_INITDIALOG: | ||
| /* Display the prompt */ | ||
| SetDlgItemTextW(hDlg, IDC_PROMPT, (wchar_t *) lParam); | ||
| if (GetDlgCtrlID((HWND) wParam) != IDE_PASSWORDEDIT) { | ||
| SetFocus(GetDlgItem(hDlg, IDE_PASSWORDEDIT)); | ||
| return FALSE; | ||
| } | ||
| return TRUE; | ||
| case WM_COMMAND: | ||
| switch(wParam) | ||
| { | ||
| case IDOK: | ||
| /* Get number of characters. */ | ||
| cchPassword = (WORD) SendDlgItemMessage(hDlg, | ||
| IDE_PASSWORDEDIT, | ||
| EM_LINELENGTH, | ||
| (WPARAM) 0, | ||
| (LPARAM) 0); | ||
|
|
||
| lpszPassword = (wchar_t *) malloc(sizeof(wchar_t) * (cchPassword + 1)); | ||
| if (!lpszPassword) { | ||
| MessageBoxW(NULL, L"Out of memory asking for a password", L"Error!", MB_OK); | ||
| EndDialog(hDlg, FALSE); | ||
| return TRUE; | ||
| } | ||
| /* Put the number of characters into first word of buffer. */ | ||
| *((LPWORD)lpszPassword) = cchPassword; | ||
|
|
||
| /* Get the characters. */ | ||
| SendDlgItemMessageW(hDlg, | ||
| IDE_PASSWORDEDIT, | ||
| EM_GETLINE, | ||
| (WPARAM) 0, /* line 0 */ | ||
| (LPARAM) lpszPassword); | ||
|
|
||
| /* Null-terminate the string. */ | ||
| lpszPassword[cchPassword] = 0; | ||
|
|
||
| wprintf(L"%ls\n", lpszPassword); | ||
|
|
||
| EndDialog(hDlg, TRUE); | ||
| free(lpszPassword); | ||
| return TRUE; | ||
|
|
||
| case IDCANCEL: | ||
| EndDialog(hDlg, FALSE); | ||
| return TRUE; | ||
| } | ||
| return 0; | ||
| } | ||
| return FALSE; | ||
|
|
||
| UNREFERENCED_PARAMETER(lParam); | ||
| } | ||
|
|
||
| int wmain(int argc, wchar_t **wargv) | ||
| { | ||
| INT_PTR res; | ||
| wchar_t *prompt = NULL; | ||
|
|
||
| if (argc < 2) { | ||
| MessageBoxW(NULL, L"Usage: git askpass <prompt>", L"Error!", MB_OK); | ||
| return 1; | ||
| } | ||
|
|
||
| if (argc > 2) { | ||
| size_t count = wcslen(wargv[1]), i; | ||
|
|
||
| for (i = 2; i < argc; i++) | ||
| count += 1 + wcslen(wargv[i]); | ||
|
|
||
| prompt = malloc((count + 1) * sizeof(*prompt)); | ||
| if (!prompt) { | ||
| MessageBoxW(NULL, L"Out of memory asking for a password", L"Error!", MB_OK); | ||
| return 1; | ||
| } | ||
|
|
||
| wcscpy(prompt, wargv[1]); | ||
| count = wcslen(wargv[1]); | ||
|
|
||
| for (i = 2; i < argc; i++) { | ||
| prompt[count++] = L' '; | ||
| wcscpy(prompt + count, wargv[i]); | ||
| count += wcslen(wargv[i]); | ||
| } | ||
| } | ||
|
|
||
| res = DialogBoxParamW(NULL, /* application instance */ | ||
| MAKEINTRESOURCEW(IDD_PASSWORD), /* dialog box resource */ | ||
| NULL, /* owner window */ | ||
| PasswordProc, /* dialog box window procedure */ | ||
| (LPARAM) (prompt ? prompt : wargv[1])); | ||
|
|
||
| free(prompt); | ||
| return !res; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| #define IDD_PASSWORD 129 | ||
| #define IDE_PASSWORDEDIT 1000 | ||
| #define IDC_PROMPT 1001 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| #include "git-askpass.h" | ||
| #include "windows.h" | ||
|
|
||
| ///////////////////////////////////////////////////////////////////////////// | ||
| // | ||
| // Dialog | ||
| // | ||
|
|
||
| IDD_PASSWORD DIALOGEX 0, 0, 253, 94 | ||
| STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | WS_POPUP | WS_CAPTION | ||
| CAPTION "Git for Windows" | ||
| FONT 8, "MS Shell Dlg", 400, 0, 0x1 | ||
| BEGIN | ||
| DEFPUSHBUTTON "OK",IDOK,141,75,50,14 | ||
| PUSHBUTTON "Cancel",IDCANCEL,195,75,50,14 | ||
| EDITTEXT IDE_PASSWORDEDIT,7,43,239,14,ES_PASSWORD | ES_AUTOHSCROLL | ||
| LTEXT "Enter Password",IDC_PROMPT,7,7,239,32,SS_NOPREFIX | ||
| END |