[iso] libcdio Joliet and UDF fixes

* Fix for broken UDF access with MSVC on some images
  (eg. Arch Linux)
* Fix for broken Joliet access on ISO9660 images and
  proper Joliet support in iso.c

src/iso.c

@@ -241,8 +241,10 @@ static int iso_extract_files(iso9660_t* p_iso, const char *psz_path)
 	psz_basename = &psz_fullpath[i_length];
 
 	p_entlist = iso9660_ifs_readdir(p_iso, psz_path);
-	if (!p_entlist)
+	if (!p_entlist) {
+		uprintf("Could not access directory %s\n", psz_path);
 		return 1;
+	}
 
 	_CDIO_LIST_FOREACH(p_entnode, p_entlist) {
 		if (FormatStatus) goto out;
@@ -389,19 +391,18 @@ BOOL ExtractISO(const char* src_iso, const char* dest_dir, bool scan)
 	goto out;
 
 try_iso:
-	p_iso = iso9660_open_ext(src_iso, 0xFF);
+	p_iso = iso9660_open_ext(src_iso, ISO_EXTENSION_ALL);
 	if (p_iso == NULL) {
 		uprintf("Unable to open image '%s'.\n", src_iso);
 		goto out;
 	}
 	i_joliet_level = iso9660_ifs_get_joliet_level(p_iso);
 	uprintf("Disc image is an ISO9660 image (Joliet = %d)\n", i_joliet_level);
-	// FIXME: libcdio's Joliet detection seems broken => override
-	i_joliet_level = ISO_EXTENSION_JOLIET_LEVEL3;
 	if (scan_only) {
-		if (iso9660_ifs_get_volume_id(p_iso, &vol_id))
+		if (iso9660_ifs_get_volume_id(p_iso, &vol_id)) {
 			safe_strcpy(iso_report.label, sizeof(iso_report.label), vol_id);
-		else
+			safe_free(vol_id);
+		} else
 			iso_report.label[0] = 0;
 	}
 	r = iso_extract_files(p_iso, "");

src/libcdio/cdio/ecma_167.h

@@ -498,11 +498,20 @@ struct logvol_integrity_desc_s
   udf_extent_ad_t next_integrity_ext;
   udf_Uint8_t     logvol_contents_use[32];
   udf_Uint32_t    i_partitions;
+  union { /* Same MSVC workaround as with struct udf_fileid_desc_s */
     udf_Uint32_t  imp_use_len;
-  union { /* MSVC workaround for multiple zero sized arrays */
+    struct {
-    udf_Uint32_t  freespace_table[0];
+      udf_Uint32_t unused;
-    udf_Uint32_t  size_table[0];
+      udf_Uint32_t data[0];
-    udf_Uint8_t   imp_use[0];
+    } freespace_table;
+    struct {
+      udf_Uint32_t unused;
+      udf_Uint32_t data[0];
+    } size_table;
+    struct {
+      udf_Uint32_t unused;
+      udf_Uint32_t data[0];
+    } imp_use;
   } u;
 } GNUC_PACKED;
 
@@ -572,11 +581,25 @@ struct udf_fileid_desc_s
   udf_Uint8_t	file_characteristics;
   udf_Uint8_t	i_file_id;
   udf_long_ad_t	icb;
+  /* MSVC workaround for multiple zero sized arrays
+     Unlike what is the case with GNU, and against logic, an union of zero
+     sized arrays in the Microsoft world is not zero bytes but one byte!
+     Thus, for sizeof() is consistent across platforms, we have to use an
+     ugly workaround that attaches the union to the last non-zero member. */
+  union {
     udf_Uint16_t	i_imp_use;
-  union { /* MSVC workaround for multiple zero sized arrays */
+    struct {
-    udf_Uint8_t	imp_use[0];
+      udf_Uint16_t	unused;
-    udf_Uint8_t	file_id[0];
+      udf_Uint8_t	data[0];
-    udf_Uint8_t	padding[0];
+    } imp_use;
+    struct {
+      udf_Uint16_t	unused;
+      udf_Uint8_t	data[0];
+    } file_id;
+    struct {
+      udf_Uint16_t	unused;
+      udf_Uint8_t	data[0];
+    } padding;
   } u;
 } GNUC_PACKED;
 
@@ -998,6 +1021,7 @@ struct extended_file_entry
   union { /* MSVC workaround for multiple zero sized arrays */
     udf_Uint8_t   ext_attr[0];
     udf_Uint8_t   alloc_descs[0];
+	udf_Uint8_t	  pad_to_one_block[2048-216];
   } u;
 } GNUC_PACKED;
 

src/libcdio/driver/utf8.c

@@ -221,14 +221,14 @@ bool cdio_charset_to_utf8(char *src, size_t src_len, cdio_utf8_t **dst,
  * Converts an UTF-16 string to UTF8 (allocate returned string)
  * Returns NULL on error
  */
-static __inline char* wchar_to_utf8(const wchar_t* wstr)
+static inline char* wchar_to_utf8(const wchar_t* wstr)
   {
   int size = 0;
   char* str = NULL;
 
   /* Find out the size we need to allocate for our converted string */
   size = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
-	if (size <= 1)	// An empty string would be size 1
+  if (size <= 1) /* An empty string would be size 1 */
     return NULL;
 
   if ((str = (char*)calloc(size, 1)) == NULL)
@@ -246,14 +246,14 @@ static __inline char* wchar_to_utf8(const wchar_t* wstr)
  * Converts an UTF8 string to UTF-16 (allocate returned string)
  * Returns NULL on error
  */
-static __inline wchar_t* utf8_to_wchar(const char* str)
+static inline wchar_t* utf8_to_wchar(const char* str)
   {
   int size = 0;
   wchar_t* wstr = NULL;
 
   /* Find out the size we need to allocate for our converted string */
   size = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
-	if (size <= 1)	// An empty string would be size 1
+  if (size <= 1) /* An empty string would be size 1 */
     return NULL;
 
   if ((wstr = (wchar_t*)calloc(size, sizeof(wchar_t))) == NULL)
@@ -266,10 +266,39 @@ static __inline wchar_t* utf8_to_wchar(const char* str)
   return wstr;
   }
 
+bool cdio_charset_from_utf8(cdio_utf8_t * src, char ** dst,
+                            int * dst_len, const char * dst_charset)
+  {
+  wchar_t* le_dst;
+  size_t i, len;
+
+  if (src == NULL || dst == NULL || dst_len == NULL || dst_charset == NULL || strcmp(dst_charset, "UTF-8") != 0)
+    return false;
+
+  /* Eliminate empty strings */
+  le_dst = utf8_to_wchar(src);
+  if ((le_dst == NULL) || (le_dst[0] == 0)) {
+    free(le_dst);
+    return false;
+  }
+
+  /* Perform byte reversal */
+  len = wcslen(le_dst);
+  *dst = (char*)calloc(len+1, sizeof(wchar_t));
+  for (i=0; i<2*len; i++) {
+    (*dst)[i] = ((char*)le_dst)[i+1];
+    (*dst)[i+1] = ((char*)le_dst)[i];
+  }
+  free(le_dst);
+
+  return true;
+  }
+
 bool cdio_charset_to_utf8(char *src, size_t src_len, cdio_utf8_t **dst,
                           const char * src_charset)
   {
   wchar_t* le_src;
+  int i;
 
   if (src == NULL || dst == NULL || src_charset == NULL || strcmp(src_charset, "UCS-2BE") != 0)
     return false;
@@ -279,18 +308,19 @@ bool cdio_charset_to_utf8(char *src, size_t src_len, cdio_utf8_t **dst,
     src_len <<=2;
   }
 
-	/* zero lenght is a headache (LCMapString doesn't support it)
+  /* Eliminate empty strings */
-	   => eliminate this case first */
+  if ((src_len < 2) || ((src[0] == 0) && (src[1] == 0))) {
-	if (src_len == 0) {
+    *dst = NULL;
-		*dst = (cdio_utf8_t*)malloc(1);
+    return false;
-		*dst[0] = 0;
-		return true;
   }
 
+  /* Perform byte reversal */
   le_src = (wchar_t*)malloc(src_len+2);
-	/* WideCharToMultiByte only takes UCS-2LE, and we are fed UCS-2BE 
+  for (i=0; i<src_len; i+=2) {
-	   => perform byte reversal */
+    ((char*)le_src)[i] = src[i+1];
-	LCMapStringW(0, LCMAP_BYTEREV, (LPCWSTR)src, src_len, le_src, src_len);
+    ((char*)le_src)[i+1] = src[i];
+  }
+  le_src[src_len/2] = 0;
   *dst = wchar_to_utf8(le_src);
   free(le_src);
 

src/libcdio/iso9660/iso9660_fs.c

@@ -85,6 +85,33 @@ struct _iso9660_s {
 			     */
 };
 
+/*!
+   Change trailing blanks in null-terminated *str to nulls
+   If the end result is an empty string, *str is freed
+*/
+static void
+strip_trail (char** str)
+{
+  int j;
+
+  if (*str == NULL)
+    return;
+
+  for (j = strlen (*str) - 1; j >= 0; j--)
+    {
+      if ((*str)[j] != ' ')
+        break;
+
+      (*str)[j] = '\0';
+    }
+
+  if ((*str)[0] == 0)
+    {
+      free(*str);
+      *str = NULL;
+    }
+}
+
 static long int iso9660_seek_read_framesize (const iso9660_t *p_iso, 
 					     void *ptr, lsn_t start, 
 					     long int size, 
@@ -294,8 +321,10 @@ iso9660_ifs_get_application_id(iso9660_t *p_iso,
      */
   if ( cdio_charset_to_utf8(p_iso->svd.application_id,
                             ISO_MAX_APPLICATION_ID,
-                            p_psz_app_id, "UCS-2BE"))
+                            p_psz_app_id, "UCS-2BE")) {
-      return true;
+      strip_trail(p_psz_app_id);
+      return (*p_psz_app_id != NULL);
+    }
   }
 #endif /*HAVE_JOLIET*/
   *p_psz_app_id = iso9660_get_application_id( &(p_iso->pvd) );
@@ -332,8 +361,10 @@ iso9660_ifs_get_preparer_id(iso9660_t *p_iso,
        the PVD, do that.
      */
     if ( cdio_charset_to_utf8(p_iso->svd.preparer_id, ISO_MAX_PREPARER_ID,
-                              p_psz_preparer_id, "UCS-2BE") )
+                              p_psz_preparer_id, "UCS-2BE") ) {
-      return true;
+      strip_trail(p_psz_preparer_id);
+      return (*p_psz_preparer_id != NULL);
+    }
   }
 #endif /*HAVE_JOLIET*/
   *p_psz_preparer_id = iso9660_get_preparer_id( &(p_iso->pvd) );
@@ -360,8 +391,10 @@ bool iso9660_ifs_get_publisher_id(iso9660_t *p_iso,
        the PVD, do that.
      */
     if( cdio_charset_to_utf8(p_iso->svd.publisher_id, ISO_MAX_PUBLISHER_ID,
-                             p_psz_publisher_id, "UCS-2BE") )
+                             p_psz_publisher_id, "UCS-2BE") ) {
-      return true;
+      strip_trail(p_psz_publisher_id);
+      return (*p_psz_publisher_id != NULL);
+    }
   }
 #endif /*HAVE_JOLIET*/
   *p_psz_publisher_id = iso9660_get_publisher_id( &(p_iso->pvd) );
@@ -389,8 +422,10 @@ bool iso9660_ifs_get_system_id(iso9660_t *p_iso,
        the PVD, do that.
      */
     if ( cdio_charset_to_utf8(p_iso->svd.system_id, ISO_MAX_SYSTEM_ID,
-                              p_psz_system_id, "UCS-2BE") )
+                              p_psz_system_id, "UCS-2BE") ) {
-      return true;
+      strip_trail(p_psz_system_id);
+      return (*p_psz_system_id != NULL);
+    }
   }
 #endif /*HAVE_JOLIET*/
   *p_psz_system_id = iso9660_get_system_id( &(p_iso->pvd) );
@@ -418,8 +453,10 @@ bool iso9660_ifs_get_volume_id(iso9660_t *p_iso,
        the PVD, do that.
      */
     if ( cdio_charset_to_utf8(p_iso->svd.volume_id, ISO_MAX_VOLUME_ID,
-                              p_psz_volume_id, "UCS-2BE") )
+                              p_psz_volume_id, "UCS-2BE") ) {
-      return true;
+      strip_trail(p_psz_volume_id);
+      return (*p_psz_volume_id != NULL);
+    }
   }
 #endif /*HAVE_JOLIET*/
   *p_psz_volume_id = iso9660_get_volume_id( &(p_iso->pvd) );
@@ -449,8 +486,10 @@ bool iso9660_ifs_get_volumeset_id(iso9660_t *p_iso,
     if ( cdio_charset_to_utf8(p_iso->svd.volume_set_id, 
                               ISO_MAX_VOLUMESET_ID, 
                               p_psz_volumeset_id,
-                              "UCS-2BE") )
+                              "UCS-2BE") ) {
-      return true;
+      strip_trail(p_psz_volumeset_id);
+      return (*p_psz_volumeset_id != NULL);
+    }
   }
 #endif /*HAVE_JOLIET*/
   *p_psz_volumeset_id = iso9660_get_volumeset_id( &(p_iso->pvd) );
@@ -494,19 +533,25 @@ bool
 iso9660_ifs_read_superblock (iso9660_t *p_iso, 
 			     iso_extension_mask_t iso_extension_mask)
 {
-  iso9660_svd_t *p_svd;  /* Secondary volume descriptor. */
+  iso9660_svd_t p_svd;  /* Secondary volume descriptor. */
+  int i;
 
   if (!p_iso || !iso9660_ifs_read_pvd(p_iso, &(p_iso->pvd)))
     return false;
 
-  p_svd = &(p_iso->svd);
   p_iso->i_joliet_level = 0;
 
-  if (0 != iso9660_iso_seek_read (p_iso, p_svd, ISO_PVD_SECTOR+1, 1)) {
+  /* There may be multiple Secondary Volume Descriptors (eg. El Torito + Joliet) */
-    if ( ISO_VD_SUPPLEMENTARY == from_711(p_svd->type) ) {
+  for (i=1; (0 != iso9660_iso_seek_read (p_iso, &p_svd, ISO_PVD_SECTOR+i, 1)); i++) {
-      if (p_svd->escape_sequences[0] == 0x25 
+    if (ISO_VD_END == from_711(p_svd.type) ) /* Last SVD */
-	  && p_svd->escape_sequences[1] == 0x2f) {
+      break;
-	switch (p_svd->escape_sequences[2]) {
+    if ( ISO_VD_SUPPLEMENTARY == from_711(p_svd.type) ) {
+      /* We're only interested in Joliet => make sure the SVD isn't overwritten */
+      if (p_iso->i_joliet_level == 0)
+        memcpy(&(p_iso->svd), &p_svd, sizeof(iso9660_svd_t));
+      if (p_svd.escape_sequences[0] == 0x25 
+	  && p_svd.escape_sequences[1] == 0x2f) {
+	switch (p_svd.escape_sequences[2]) {
 	case 0x40:
 	  if (iso_extension_mask & ISO_EXTENSION_JOLIET_LEVEL1) 
 	    p_iso->i_joliet_level = 1;

src/libcdio/udf/udf_fs.c

@@ -659,7 +659,7 @@ udf_readdir(udf_dirent_t *p_udf_dirent)
     /* advance to next File Identifier Descriptor */
     /* FIXME: need to advance file entry (fe) as well.  */
     uint32_t ofs = 4 * 
-      ((sizeof(*(p_udf_dirent->fid)) + p_udf_dirent->fid->i_imp_use 
+      ((sizeof(*(p_udf_dirent->fid)) + p_udf_dirent->fid->u.i_imp_use 
 	+ p_udf_dirent->fid->i_file_id + 3) / 4);
     
     p_udf_dirent->fid = 
@@ -686,7 +686,7 @@ udf_readdir(udf_dirent_t *p_udf_dirent)
   if (p_udf_dirent->fid && !udf_checktag(&(p_udf_dirent->fid->tag), TAGID_FID))
     {
       uint32_t ofs = 
-	4 * ((sizeof(*p_udf_dirent->fid) + p_udf_dirent->fid->i_imp_use 
+	4 * ((sizeof(*p_udf_dirent->fid) + p_udf_dirent->fid->u.i_imp_use 
 	      + p_udf_dirent->fid->i_file_id + 3) / 4);
       
       p_udf_dirent->dir_left -= ofs;
@@ -708,8 +708,8 @@ udf_readdir(udf_dirent_t *p_udf_dirent)
 	  p_udf_dirent->psz_name = (char *)
 	    realloc(p_udf_dirent->psz_name, sizeof(char)*i_len+1);
 	
-	unicode16_decode(p_udf_dirent->fid->u.imp_use 
+	unicode16_decode(p_udf_dirent->fid->u.imp_use.data 
-			 + p_udf_dirent->fid->i_imp_use, 
+			 + p_udf_dirent->fid->u.i_imp_use, 
 			 i_len, p_udf_dirent->psz_name);
       }
       return p_udf_dirent;

src/rufus.rc

@@ -33,7 +33,7 @@ LANGUAGE LANG_ENGLISH, SUBLANG_NEUTRAL
 IDD_DIALOG DIALOGEX 12, 12, 206, 278
 STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | DS_CENTER | WS_POPUP | WS_CAPTION | WS_SYSMENU
 EXSTYLE WS_EX_APPWINDOW
-CAPTION "Rufus v1.1.1.136"
+CAPTION "Rufus v1.1.1.137"
 FONT 8, "MS Shell Dlg", 400, 0, 0x1
 BEGIN
     DEFPUSHBUTTON   "Start",IDC_START,94,236,50,14
@@ -71,7 +71,7 @@ BEGIN
     DEFPUSHBUTTON   "OK",IDOK,231,175,50,14,WS_GROUP
     CONTROL         "<a href=""http://rufus.akeo.ie"">http://rufus.akeo.ie</a>",IDC_ABOUT_RUFUS_URL,
                     "SysLink",WS_TABSTOP,46,47,114,9
-    LTEXT           "Version 1.1.1 (Build 136)",IDC_STATIC,46,19,78,8
+    LTEXT           "Version 1.1.1 (Build 137)",IDC_STATIC,46,19,78,8
     PUSHBUTTON      "License...",IDC_ABOUT_LICENSE,46,175,50,14,WS_GROUP
     EDITTEXT        IDC_ABOUT_COPYRIGHTS,46,107,235,63,ES_MULTILINE | ES_READONLY | WS_VSCROLL
     LTEXT           "Report bugs or request enhancements at:",IDC_STATIC,46,66,187,8
@@ -222,8 +222,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,1,1,136
+ FILEVERSION 1,1,1,137
- PRODUCTVERSION 1,1,1,136
+ PRODUCTVERSION 1,1,1,137
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -240,13 +240,13 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "akeo.ie"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "1.1.1.136"
+            VALUE "FileVersion", "1.1.1.137"
             VALUE "InternalName", "Rufus"
             VALUE "LegalCopyright", "© 2011 Pete Batard (GPL v3)"
             VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
             VALUE "OriginalFilename", "rufus.exe"
             VALUE "ProductName", "Rufus"
-            VALUE "ProductVersion", "1.1.1.136"
+            VALUE "ProductVersion", "1.1.1.137"
         END
     END
     BLOCK "VarFileInfo"