From: Bob Halley <halley@nominum.com>
Date: Sat, 7 Apr 2012 21:09:05 +0000 (+0100)
Subject: allow whitespace in SSHFP fingerprints
X-Git-Tag: v1.10.0-py3~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ab9852e14cda6d3b1f91a66c929b19c4eaf4b9e;p=thirdparty%2Fdnspython.git

allow whitespace in SSHFP fingerprints
---

diff --git a/ChangeLog b/ChangeLog
index accd9b19..46064a5f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2012-04-07  Bob Halley  <halley@dnspython.org>
 
+	* dns/rdtypes/ANY/SSHFP.py (SSHFP.from_text): Allow whitespace in
+	  the text string.  Thanks to Jan Andres for the report and the
+	  patch.
+
 	* dns/message.py (from_wire): dns.message.from_wire() now takes
 	  an 'ignore_trailing' parameter which defaults to False.  If set
 	  to True, then trailing junk will be ignored instead of causing
diff --git a/dns/rdtypes/ANY/SSHFP.py b/dns/rdtypes/ANY/SSHFP.py
index ab870542..b7ee2544 100644
--- a/dns/rdtypes/ANY/SSHFP.py
+++ b/dns/rdtypes/ANY/SSHFP.py
@@ -48,8 +48,16 @@ class SSHFP(dns.rdata.Rdata):
     def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
         algorithm = tok.get_uint8()
         fp_type = tok.get_uint8()
-        fingerprint = bytes.fromhex(tok.get_string())
-        tok.get_eol()
+        chunks = []
+        while 1:
+            t = tok.get().unescape()
+            if t.is_eol_or_eof():
+                break
+            if not t.is_identifier():
+                raise dns.exception.SyntaxError
+            chunks.append(t.value)
+        hex = ''.join(chunks)
+        fingerprint = bytes.fromhex(hex)
         return cls(rdclass, rdtype, algorithm, fp_type, fingerprint)
 
     from_text = classmethod(from_text)