Carving away at func some more to just get down to cert items, still lots

[certmaster.git] / certmaster / CommonErrors.py

diff --git a/certmaster/CommonErrors.py b/certmaster/CommonErrors.py
new file mode 100644 (file)
index 0000000..c76cb3d
--- /dev/null
+++ b/certmaster/CommonErrors.py
@@ -0,0 +1,69 @@
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Library General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# Copyright 2005 Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
+
+from exceptions import Exception
+
+def canIgnoreSSLError(e):
+    """
+    Identify common network errors that mean we cannot connect to the server
+    """
+
+    # This is a bit complicated by the fact that different versions of
+    # M2Crypto & OpenSSL seem to return different error codes for the
+    # same type of error
+    s = "%s" % e
+    if e[0] == 104:     # Connection refused
+        return True
+    elif e[0] == 111:   # Connection reset by peer
+        return True
+    elif e[0] == 61:    # Connection refused
+        return True
+    elif e[0] == 54:    # Connection reset by peer
+        return True
+    elif s == "no certificate returned":
+        return True
+    elif s == "wrong version number":
+        return True
+    elif s == "unexpected eof":
+        return True
+
+    return False
+
+
+def canIgnoreSocketError(e):
+    """
+    Identify common network errors that mean we cannot connect to the server
+    """
+
+    try:
+        if e[0] == 111:     # Connection refused
+            return True
+        elif e[0] == 104:   # Connection reset by peer
+            return True
+        elif e[0] == 61:    # Connection refused
+            return True
+    except IndexError:
+        return True
+
+    return False
+
+class Func_Client_Exception(Exception):
+    def __init__(self, value=None):
+        Exception.__init__(self)
+        self.value = value
+    def __str__(self):
+        return "%s" %(self.value,)
+