Add an escape clause to the CSR validator in the cert plugin. If the csr is a file just return and let the load_files() call slurp in the contents. It will still get validated.

rob
>From d85b43a4bf88224734a7a9f93bbc6e56f467b068 Mon Sep 17 00:00:00 2001
From: Rob Crittenden <rcrit...@redhat.com>
Date: Tue, 13 Sep 2011 14:25:16 -0400
Subject: [PATCH] Skip the cert validator if the csr we are passed in is a
 valid filename

The validator will still fire, just after the load_files() call. Basically
it will hit the validator twice. The first time it will exit because the
value of csr is a filename. The second time it will run the validator against
the contents of the file.

ticket https://fedorahosted.org/freeipa/ticket/1777
---
 ipalib/plugins/cert.py |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/ipalib/plugins/cert.py b/ipalib/plugins/cert.py
index e32004e..ffc5866 100644
--- a/ipalib/plugins/cert.py
+++ b/ipalib/plugins/cert.py
@@ -23,6 +23,7 @@ from ipalib import api, SkipPluginModule
 if api.env.enable_ra is not True:
     # In this case, abort loading this plugin module...
     raise SkipPluginModule(reason='env.enable_ra is not True')
+import os
 from ipalib import Command, Str, Int, Bytes, Flag, File
 from ipalib import errors
 from ipalib import pkcs10
@@ -129,6 +130,11 @@ def validate_csr(ugettext, csr):
     Ensure the CSR is base64-encoded and can be decoded by our PKCS#10
     parser.
     """
+    if api.env.context == 'cli':
+        # If we are passed in a pointer to a valid file on the client side
+        # escape and let the load_files() handle things
+        if os.path.exists(csr):
+            return
     try:
         request = pkcs10.load_certificate_request(csr)
     except TypeError, e:
@@ -203,6 +209,7 @@ class cert_request(VirtualCommand):
 
     takes_args = (
         File('csr', validate_csr,
+            label=_('CSR'),
             cli_name='csr_file',
             normalizer=normalize_csr,
         ),
-- 
1.7.6

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