[ui] fix potentially truncated SHA1 sum field

* Also update licensing terms
* Closes #577

src/checksum.c

@@ -19,13 +19,34 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/* SHA-1 code taken from GnuPG */
-/* MD5 code taken from Asterisk */
+/*
+ * SHA-1 code taken from GnuPG, as per copyrights above.
+ *
+ * MD5 code from various public domain sources sharing the following
+ * copyright declaration:
+ * 
+ * This code implements the MD5 message-digest algorithm.
+ * The algorithm is due to Ron Rivest.  This code was
+ * written by Colin Plumb in 1993, no copyright is claimed.
+ * This code is in the public domain; do with it what you wish.
+ *
+ * Equivalent code is available from RSA Data Security, Inc.
+ * This code has been tested against that, and is equivalent,
+ * except that you don't need to include two pages of legalese
+ * with every copy.
+ *
+ * To compute the message digest of a chunk of bytes, declare an
+ * MD5Context structure, pass it to MD5Init, call MD5Update as
+ * needed on buffers full of bytes, and then call MD5Final, which
+ * will fill a supplied 16-byte array with the digest.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <inttypes.h>
 #include <errno.h>
+#include <windowsx.h>
 #include "msapi_utf8.h"
 #include "rufus.h"
 #include "resource.h"
@@ -523,7 +544,8 @@ static void md5_final(MD5_CONTEXT *ctx)
  */
 INT_PTR CALLBACK ChecksumCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
 {
-	int i;
+	int i, dw;
+	RECT rect;
 	HFONT hFont;
 	HDC hDC;
 
@@ -540,6 +562,19 @@ INT_PTR CALLBACK ChecksumCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM
 		SendDlgItemMessageA(hDlg, IDC_SHA1, WM_SETFONT, (WPARAM)hFont, TRUE);
 		SetWindowTextA(GetDlgItem(hDlg, IDC_MD5), md5str);
 		SetWindowTextA(GetDlgItem(hDlg, IDC_SHA1), sha1str);
+
+		// Move/Resize the controls as needed to fit our text
+		hDC = GetDC(GetDlgItem(hDlg, IDC_SHA1));
+		SelectFont(hDC, hFont);	// Yes, you *MUST* reapply the font to the DC, even after SetWindowText!
+		GetWindowRect(GetDlgItem(hDlg, IDC_SHA1), &rect);
+		dw = rect.right - rect.left;
+		DrawTextU(hDC, sha1str, -1, &rect, DT_CALCRECT);
+		if (hDC != NULL)
+			ReleaseDC(GetDlgItem(hDlg, IDC_SHA1), hDC);
+		dw = rect.right - rect.left - dw + 12;	// Ideally we'd compute the field borders from the system, but hey...
+		ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDC_MD5), 0, 0, dw, 0, 1.0f);
+		ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDC_SHA1), 0, 0, dw, 0, 1.0f);
+
 		for (i=(int)safe_strlen(image_path); (i>0)&&(image_path[i]!='\\'); i--);
 		if (image_path != NULL)	// VS code analysis has a false positive on this one
 			SetWindowTextU(hDlg, &image_path[i+1]);

src/license.h

@@ -101,6 +101,13 @@ const char* additional_copyrights =
 "http://kolibrios.org\\line\n"
 "GNU General Public License (GPL) v2 or later\\line\n"
 "\\line\n"
+"MD5 checksum by Ron Rivest, Colin Plumb et al.\\line\n"
+"Public Domain\\line\n"
+"\\line\n"
+"SHA-1 checksum from GnuPG:\\line\n"
+"https://www.gnupg.org\\line\n"
+"GNU General Public License (GPL) v3 or later\\line\n"
+"\\line\n"
 "About and License dialogs inspired by WinSCP by Martin Prikryl\\line\n"
 "http://winscp.net\\line\n"
 "GNU General Public License (GPL) v3 or later\\line\n"

src/rufus.rc

@@ -32,7 +32,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 
 IDD_DIALOG DIALOGEX 12, 12, 242, 376
 STYLE DS_SETFONT | DS_MODALFRAME | DS_CENTER | WS_MINIMIZEBOX | WS_POPUP | WS_CAPTION | WS_SYSMENU
-CAPTION "Rufus 2.3.700"
+CAPTION "Rufus 2.3.701"
 FONT 8, "Segoe UI Symbol", 400, 0, 0x0
 BEGIN
     LTEXT           "Device",IDS_DEVICE_TXT,9,6,200,8
@@ -317,8 +317,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,3,700,0
- PRODUCTVERSION 2,3,700,0
+ FILEVERSION 2,3,701,0
+ PRODUCTVERSION 2,3,701,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -335,13 +335,13 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "2.3.700"
+            VALUE "FileVersion", "2.3.701"
             VALUE "InternalName", "Rufus"
             VALUE "LegalCopyright", "© 2011-2015 Pete Batard (GPL v3)"
             VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
             VALUE "OriginalFilename", "rufus.exe"
             VALUE "ProductName", "Rufus"
-            VALUE "ProductVersion", "2.3.700"
+            VALUE "ProductVersion", "2.3.701"
         END
     END
     BLOCK "VarFileInfo"

src/stdlg.c

@@ -821,7 +821,7 @@ INT_PTR CALLBACK SelectionCallback(HWND hDlg, UINT message, WPARAM wParam, LPARA
 	RECT rect;
 	HFONT hDlgFont;
 	HWND hCtrl;
-	HDC dc;
+	HDC hDC;
 
 	switch (message) {
 	case WM_INITDIALOG:
@@ -861,13 +861,14 @@ INT_PTR CALLBACK SelectionCallback(HWND hDlg, UINT message, WPARAM wParam, LPARA
 
 		// Move/Resize the controls as needed to fit our text
 		hCtrl = GetDlgItem(hDlg, IDC_SELECTION_TEXT);
-		dc = GetDC(hCtrl);
-		SelectFont(dc, hDlgFont);	// Yes, you *MUST* reapply the font to the DC, even after SetWindowText!
+		hDC = GetDC(hCtrl);
+		SelectFont(hDC, hDlgFont);	// Yes, you *MUST* reapply the font to the DC, even after SetWindowText!
 		GetWindowRect(hCtrl, &rect);
 		dh = rect.bottom - rect.top;
-		DrawTextU(dc, szMessageText, -1, &rect, DT_CALCRECT | DT_WORDBREAK);
+		DrawTextU(hDC, szMessageText, -1, &rect, DT_CALCRECT | DT_WORDBREAK);
 		dh = rect.bottom - rect.top - dh;
-		ReleaseDC(hCtrl, dc);
+		if (hDC != NULL)
+			ReleaseDC(hCtrl, hDC);
 
 		ResizeMoveCtrl(hDlg, hCtrl, 0, 0, 0, dh, 1.0f);
 		ResizeMoveCtrl(hDlg, hDlg, 0, 0, 0, dh, 1.0f);