[iso] notify if the file size on disk is smaller than expected ISO size

* Closes #963
* Also fix a potential issue with Notification()

res/localization/rufus.loc

@@ -559,6 +559,10 @@ t MSG_293 "Unsupported Windows version"
 t MSG_294 "This version of Windows is no longer supported by Rufus."
 t MSG_295 "Warning: Unofficial version"
 t MSG_296 "This version of Rufus was NOT produced by its official developer(s).\n\nAre you sure you want to run it?"
+t MSG_297 "Truncated ISO detected"
+t MSG_298 "The ISO file you have selected does not match its declared size: %s of data is missing!\n\nIf you obtained "
+	"this file from the Internet, you should try to download a new copy and verify that the MD5 or SHA checksums match "
+	"the official ones.\n\nNote that you can compute the MD5 or SHA in Rufus by clicking the '#' button."
 
 ################################################################################
 ############################# TRANSLATOR END COPY ##############################

src/iso.c

@@ -651,6 +651,7 @@ BOOL ExtractISO(const char* src_iso, const char* dest_dir, BOOL scan)
 	FILE* fd;
 	int r = 1;
 	iso9660_t* p_iso = NULL;
+	iso9660_pvd_t pvd;
 	udf_t* p_udf = NULL;
 	udf_dirent_t* p_udf_root;
 	char *tmp, *buf, *ext;
@@ -705,6 +706,8 @@ BOOL ExtractISO(const char* src_iso, const char* dest_dir, BOOL scan)
 	if (scan_only) {
 		if (udf_get_logical_volume_id(p_udf, img_report.label, sizeof(img_report.label)) <= 0)
 			img_report.label[0] = 0;
+		// Open the UDF as ISO so that we can perform size checks
+		p_iso = iso9660_open(src_iso);
 	}
 	r = udf_extract_files(p_udf, p_udf_root, "");
 	goto out;
@@ -746,6 +749,10 @@ try_iso:
 out:
 	iso_blocking_status = -1;
 	if (scan_only) {
+		struct __stat64 stat;
+		// Find if there is a mismatch between the ISO size, as reported by the PVD, and the actual file size
+		if ((iso9660_ifs_read_pvd(p_iso, &pvd)) && (_stat64U(src_iso, &stat) == 0))
+			img_report.mismatch_size = (int64_t)(iso9660_get_pvd_space_size(&pvd)) * ISO_BLOCKSIZE - stat.st_size;
 		// Remove trailing spaces from the label
 		for (j=safe_strlen(img_report.label)-1; ((j>0)&&(isspaceU(img_report.label[j]))); j--)
 			img_report.label[j] = 0;

src/msapi_utf8.h

@@ -3,7 +3,7 @@
  * Compensating for what Microsoft should have done a long long time ago.
  * Also see http://utf8everywhere.org/
  *
- * Copyright © 2010-2015 Pete Batard <pete@akeo.ie>
+ * Copyright © 2010-2017 Pete Batard <pete@akeo.ie>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -31,6 +31,8 @@
 #include <share.h>
 #include <fcntl.h>
 #include <io.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 #if !defined(DDKBUILD)
 #include <psapi.h>
 #endif
@@ -924,6 +926,15 @@ static __inline int _openU(const char *filename, int oflag , int pmode)
 }
 #endif
 
+static __inline int _stat64U(const char *path, struct __stat64 *buffer)
+{
+	int ret;
+	wconvert(path);
+	ret = _wstat64(wpath, buffer);
+	wfree(path);
+	return ret;
+}
+
 // returned UTF-8 string must be freed
 static __inline char* getenvU(const char* varname)
 {

src/net.c

@@ -533,6 +533,9 @@ static DWORD WINAPI CheckForUpdatesThread(LPVOID param)
 		}
 		vuprintf("Found match for %s on server %s", urlpath, server_url);
 
+		// IMPORTANT: You might need to edit your server's MIME conf so that it returns
+		// 'text/plain' for .ver files. Use 'curl -I' to check that you get something
+		// like 'Content-Type: text/plain; charset=UTF-8' when fetching your .ver files.
 		dwSize = sizeof(mime);
 		HttpQueryInfoA(hRequest, HTTP_QUERY_CONTENT_TYPE, (LPVOID)&mime, &dwSize, NULL);
 		if (strncmp(mime, "text/plain", sizeof("text/plain")-1) != 0)

src/rufus.c

@@ -973,6 +973,17 @@ static void DisplayISOProps(void)
 
 	uprintf("ISO label: '%s'", img_report.label);
 	uprintf("  Size: %s (Projected)", SizeToHumanReadable(img_report.projected_size, FALSE, FALSE));
+	if (img_report.mismatch_size > 0) {
+		uprintf("  ERROR: Detected that file on disk has been truncated by %s!",
+			SizeToHumanReadable(img_report.mismatch_size, FALSE, FALSE));
+		MessageBoxU(hMainDialog, lmprintf(MSG_298, SizeToHumanReadable(img_report.mismatch_size, FALSE, FALSE)),
+			lmprintf(MSG_297), MB_ICONWARNING);
+	} else if (img_report.mismatch_size < 0) {
+		// Not an error (ISOHybrid?), but we report it just in case
+		uprintf("  Note: File on disk is larger than reported ISO size by %s...",
+			SizeToHumanReadable(-img_report.mismatch_size, FALSE, FALSE));
+	}
+
 	PRINT_ISO_PROP(img_report.has_4GB_file, "  Has a >4GB file");
 	PRINT_ISO_PROP(img_report.has_long_filename, "  Has a >64 chars filename");
 	PRINT_ISO_PROP(HAS_SYSLINUX(img_report), "  Uses: Syslinux/Isolinux v%s", img_report.sl_version_str);

src/rufus.h

@@ -279,6 +279,7 @@ typedef struct {
 	char install_wim_path[64];	/* path to install.wim or install.swm */
 	uint64_t image_size;
 	uint64_t projected_size;
+	int64_t mismatch_size;
 	uint32_t install_wim_version;
 	BOOLEAN is_iso;
 	BOOLEAN is_bootable_img;

src/rufus.rc

@@ -33,7 +33,7 @@ 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
 EXSTYLE WS_EX_ACCEPTFILES
-CAPTION "Rufus 2.15.1119"
+CAPTION "Rufus 2.15.1120"
 FONT 8, "Segoe UI Symbol", 400, 0, 0x0
 BEGIN
     LTEXT           "Device",IDS_DEVICE_TXT,9,6,200,8
@@ -334,8 +334,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,15,1119,0
+ FILEVERSION 2,15,1120,0
- PRODUCTVERSION 2,15,1119,0
+ PRODUCTVERSION 2,15,1120,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -352,13 +352,13 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "2.15.1119"
+            VALUE "FileVersion", "2.15.1120"
             VALUE "InternalName", "Rufus"
             VALUE "LegalCopyright", "© 2011-2017 Pete Batard (GPL v3)"
             VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
             VALUE "OriginalFilename", "rufus.exe"
             VALUE "ProductName", "Rufus"
-            VALUE "ProductVersion", "2.15.1119"
+            VALUE "ProductVersion", "2.15.1120"
         END
     END
     BLOCK "VarFileInfo"

src/stdlg.c

@@ -813,7 +813,8 @@ BOOL Notification(int type, const notification_info* more_info, char* title, cha
 	dialog_showing++;
 	szMessageText = (char*)malloc(MAX_PATH);
 	if (szMessageText == NULL) return FALSE;
-	szMessageTitle = title;
+	szMessageTitle = safe_strdup(title);
+	if (szMessageTitle == NULL) return FALSE;
 	va_start(args, format);
 	safe_vsnprintf(szMessageText, MAX_PATH-1, format, args);
 	va_end(args);
@@ -839,6 +840,7 @@ BOOL Notification(int type, const notification_info* more_info, char* title, cha
 	}
 	ret = (MyDialogBox(hMainInstance, IDD_NOTIFICATION, hMainDialog, NotificationCallback) == IDYES);
 	safe_free(szMessageText);
+	safe_free(szMessageTitle);
 	dialog_showing--;
 	return ret;
 }