From 86af0ece2c575b2fd3097ab5170313e3d568ad72 Mon Sep 17 00:00:00 2001 From: irykoon Date: Tue, 20 Feb 2018 01:26:02 +0000 Subject: [PATCH] Adopt a more robust RE for custom obfs4 bridges --- onionshare_gui/settings_dialog.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/onionshare_gui/settings_dialog.py b/onionshare_gui/settings_dialog.py index 4dafdd9e..67dfcff3 100644 --- a/onionshare_gui/settings_dialog.py +++ b/onionshare_gui/settings_dialog.py @@ -807,7 +807,7 @@ class SettingsDialog(QtWidgets.QDialog): for bridge in bridges: if bridge != '': # Check the syntax of the custom bridge to make sure it looks legitimate - ipv4_pattern = re.compile("(obfs4\s)?(?:(?:[0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}(?:[0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]):[0-9]+\s[A-Z0-9]+(.+)?$") + ipv4_pattern = re.compile("(obfs4)(\s)+(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]):([0-9]+)(\s+)([A-Z0-9]+)(\s+)cert=(.+)$") ipv6_pattern = re.compile("(obfs4\s)?\[(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))\]:[0-9]+\s[A-Z0-9]+(.+)?$") meek_lite_pattern = re.compile("(meek_lite)(\s)+([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+:[0-9]+)(\s)+([0-9A-Z]+)(\s)+url=(.+)(\s)+front=(.+)") if ipv4_pattern.match(bridge) or \