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When manually compiling FreeFileSync, you should also fix the following bugs in its dependent libraries:


----------------
| libssh2 Bugs |
----------------
__________________________________________________________________________________________________________
Amazons SFTP server returns legitimate package sizes of ~100kb!
https://freefilesync.org/forum/viewtopic.php?t=5999

/src/sftp.c:

- #define LIBSSH2_SFTP_PACKET_MAXLEN  80000
+ #define LIBSSH2_SFTP_PACKET_MAXLEN  160000
__________________________________________________________________________________________________________


----------------
| libcurl Bugs |
----------------
__________________________________________________________________________________________________________
https://github.com/curl/curl/issues/1455

/lib/ftp.c:

Add:
	static bool is_routable_ip_v4(unsigned int ip[4])
	{
		if (ip[0] == 127 || //127.0.0.0/8 (localhost)
			ip[0] == 10  || //10.0.0.0/8 (private)
			(ip[0] == 192 && ip[1] == 168) ||  //192.168.0.0/16 (private)
			(ip[0] == 169 && ip[1] == 254) ||  //169.254.0.0/16 (link-local)
			(ip[0] == 172 && ip[1] / 16 == 1)) //172.16.0.0/12 (private)
			return false;
		return true;
	}


Remove: if (data->set.ftp_skip_ip)

Replace with:

	bool skipIp = data->set.ftp_skip_ip;
	if (!skipIp && !is_routable_ip_v4(ip))
	{
		unsigned int ip_ctrl[4];
		if (4 != sscanf(control_address(conn), "%u.%u.%u.%u",
						&ip_ctrl[0], &ip_ctrl[1], &ip_ctrl[2], &ip_ctrl[3]) ||
			is_routable_ip_v4(ip_ctrl))
			skipIp = true;
	}

	if (skipIp)
__________________________________________________________________________________________________________

"wrong dir listing because libcurl remembers wrong CWD": https://github.com/curl/curl/issues/1782

=> "fixed" by adding only the "if (data->set.ftp_filemethod == FTPFILE_NOCWD)" below: https://github.com/curl/curl/issues/1811
=> this is NOT enough! consider what happens for a reused connection that first used CURLFTPMETHOD_MULTICWD, now CURLFTPMETHOD_NOCWD:
	
	the code in ftp_state_cwd() will issue a CWD sequence that ends with "ftpc->cwdcount == 1"!!!	 See "if (++ftpc->cwdcount <= ftpc->dirdepth)"
	=> this skips the previous "fix" in https://github.com/curl/curl/issues/1718 with 
	if ((conn->data->set.ftp_filemethod == FTPFILE_NOCWD) && !ftpc->cwdcount)

/lib/ftp.c:

    if (ftpc->prevpath)
    {
+		if (data->set.ftp_filemethod == FTPFILE_NOCWD)
+		{
+			/*
+				CURLFTPMETHOD_NOCWD
+				if the connection is used for the first time, *no* CWD takes place
+				if the connection is reused, ftp_state_cwd() issues a single "CWD ftpc->entrypath" before the operation
+				in both cases ftp_done() sets ftpc->prevpath to "" after a successfull FTP operation
+				ergo: "" corresponds to ftpc->entrypath, so we only ever need CWD if ftpc->prevpath != ""
+				 => avoid needless "CWD /" and reduce folder traversal time with CURLFTPMETHOD_NOCWD by 15-20%
+			*/
+			if (strcmp(ftpc->prevpath, "") == 0)
+			{							
+				infof(data, "Request has same path (\"%s\") as previous transfer\n", ftpc->prevpath);
+				ftpc->cwddone = TRUE;
+			}
+		}
+		else
+		{
			/* prevpath is "raw" so we convert the input path before we compare the
			   strings */
			size_t dlen;
			char* path;
			CURLcode result =
				Curl_urldecode(conn->data, data->state.path, 0, &path, &dlen, FALSE);
			if (result)
			{
				freedirs(ftpc);
				return result;
			}

			dlen -= ftpc->file?strlen(ftpc->file):0;
			if ((dlen == strlen(ftpc->prevpath)) &&
				!strncmp(path, ftpc->prevpath, dlen) &&
-				(ftpc->prevmethod == data->set.ftp_filemethod))
+				true) //(ftpc->prevmethod == data->set.ftp_filemethod))
			{
				infof(data, "Request has same path as previous transfer\n");
				ftpc->cwddone = TRUE;
			}
			free(path);
+		}
    }
__________________________________________________________________________________________________________

	
------------------
| wxWidgets Bugs |
------------------
__________________________________________________________________________________________________________
Fix incorrect pane height calculations:

/src/aui/framemanager.cpp:

-        // determine the dock's minimum size
-        bool plus_border = false;
-        bool plus_caption = false;
-        int dock_min_size = 0;
-        for (j = 0; j < dock_pane_count; ++j)
-        {
-            wxAuiPaneInfo& pane = *dock.panes.Item(j);
-            if (pane.min_size != wxDefaultSize)
-            {
-                if (pane.HasBorder())
-                    plus_border = true;
-                if (pane.HasCaption())
-                    plus_caption = true;
-                if (dock.IsHorizontal())
-                {
-                    if (pane.min_size.y > dock_min_size)
-                        dock_min_size = pane.min_size.y;
-                }
-                else
-                {
-                    if (pane.min_size.x > dock_min_size)
-                        dock_min_size = pane.min_size.x;
-                }
-            }
-        }
-
-        if (plus_border)
-            dock_min_size += (pane_borderSize*2);
-        if (plus_caption && dock.IsHorizontal())
-            dock_min_size += (caption_size);
-
-        dock.min_size = dock_min_size;
 
 
+        // determine the dock's minimum size
+        int dock_min_size = 0;
+       for (j = 0; j < dock_pane_count; ++j)
+        {
+            wxAuiPaneInfo& pane = *dock.panes.Item(j);
+            if (pane.min_size != wxDefaultSize)
+            {
+				int paneSize = dock.IsHorizontal() ? pane.min_size.y : pane.min_size.x;
+                if (pane.HasBorder())
+					paneSize += 2 * pane_borderSize;
+                if (pane.HasCaption() && dock.IsHorizontal())
+					paneSize += caption_size;
+
+				if (paneSize > dock_min_size)
+					dock_min_size = paneSize;
+            }
+        }
+
+        dock.min_size = dock_min_size;
__________________________________________________________________________________________________________

/src/gtk/menu.cpp:

-g_signal_connect(m_menu, "map", G_CALLBACK(menu_map), this);
+g_signal_connect(m_menu, "show", G_CALLBACK(menu_map), this); //"map" is never called on Ubuntu Unity, but "show" is
__________________________________________________________________________________________________________

Backspace not working in filter dialog: http://www.freefilesync.org/forum/viewtopic.php?t=347

/src/gtk/window.cpp:

 void wxWindowGTK::ConnectWidget( GtkWidget *widget )
 {
-    static bool isSourceAttached;
-    if (!isSourceAttached)
-    {
-        // attach GSource to detect new GDK events
-        isSourceAttached = true;
-        static GSourceFuncs funcs = {
-            source_prepare, source_check, source_dispatch,
-            NULL, NULL, NULL
-        };
-        GSource* source = g_source_new(&funcs, sizeof(GSource));
-        // priority slightly higher than GDK_PRIORITY_EVENTS
-        g_source_set_priority(source, GDK_PRIORITY_EVENTS - 1);
-        g_source_attach(source, NULL);
-    }
+//
+//    if (!isSourceAttached)
+//    {
+//        // attach GSource to detect new GDK events
+//        isSourceAttached = true;
+//        static GSourceFuncs funcs = {
+//            source_prepare, source_check, source_dispatch,
+//            NULL, NULL, NULL
+//        };
+//        GSource* source = g_source_new(&funcs, sizeof(GSource));
+//        // priority slightly higher than GDK_PRIORITY_EVENTS
+//        g_source_set_priority(source, GDK_PRIORITY_EVENTS - 1);
+//        g_source_attach(source, NULL);
+//    }
__________________________________________________________________________________________________________
bgstack15