From 91e5b7f4b85cdbc399ccaa1bb1d813e0d829f3d5 Mon Sep 17 00:00:00 2001
From: Magnus Ahltorp <map@kth.se>
Date: Mon, 27 Oct 2014 14:37:01 +0100
Subject: submitcert.py: submit multiple cert chains

---
 tools/certtools.py  |  14 +++++++
 tools/submitcert.py | 104 ++++++++++++++++++++++++++++++++--------------------
 2 files changed, 78 insertions(+), 40 deletions(-)

diff --git a/tools/certtools.py b/tools/certtools.py
index 8d64ee4..7b901cf 100644
--- a/tools/certtools.py
+++ b/tools/certtools.py
@@ -10,6 +10,7 @@ import struct
 import sys
 import hashlib
 import ecdsa
+import datetime
 
 publickeys = {
     "https://ct.googleapis.com/pilot/":
@@ -204,3 +205,16 @@ def get_leaf_hash(merkle_tree_leaf):
     leaf_hash.update(merkle_tree_leaf)
 
     return leaf_hash.digest()
+
+def timing_point(timer_dict=None, name=None):
+    t = datetime.datetime.now()
+    if timer_dict:
+        starttime = timer_dict["lasttime"]
+        stoptime = t
+        deltatime = stoptime - starttime
+        timer_dict["deltatimes"].append((name, deltatime.seconds * 1000000 + deltatime.microseconds))
+        timer_dict["lasttime"] = t
+        return None
+    else:
+        timer_dict = {"deltatimes":[], "lasttime":t}
+        return timer_dict
diff --git a/tools/submitcert.py b/tools/submitcert.py
index 4f1609c..80a3e37 100755
--- a/tools/submitcert.py
+++ b/tools/submitcert.py
@@ -12,63 +12,87 @@ import struct
 import hashlib
 import itertools
 from certtools import *
+import os
+
+from multiprocessing import Pool
 
 baseurl = sys.argv[1]
-certfile = sys.argv[2]
+certfilepath = sys.argv[2]
+
+lookup_in_log = False
+check_sig = False
+
+if certfilepath[-1] == "/":
+    certfiles = [certfilepath + filename for filename in sorted(os.listdir(certfilepath))]
+else:
+    certfiles = [certfilepath]
+
+def submitcert(certfile):
+    timing = timing_point()
+    certs = get_certs_from_file(certfile)
+    timing_point(timing, "readcerts")
+
+    result = add_chain(baseurl, {"chain":map(base64.b64encode, certs)})
+
+    timing_point(timing, "addchain")
+
+    try:
+        if check_sig:
+            check_sct_signature(baseurl, certs[0], result)
+            timing_point(timing, "checksig")
+    except AssertionError, e:
+        print "ERROR:", e
+        sys.exit(1)
+    except ecdsa.keys.BadSignatureError, e:
+        print "ERROR: bad signature"
+        sys.exit(1)
 
-lookup_in_log = True
+    if lookup_in_log:
 
-certs = get_certs_from_file(certfile)
+        merkle_tree_leaf = pack_mtl(result["timestamp"], certs[0])
 
-result = add_chain(baseurl, {"chain":map(base64.b64encode, certs)})
+        leaf_hash = get_leaf_hash(merkle_tree_leaf)
 
-try:
-    check_sct_signature(baseurl, certs[0], result)
-except AssertionError, e:
-    print "ERROR:", e
-    sys.exit(1)
-except ecdsa.keys.BadSignatureError, e:
-    print "ERROR: bad signature"
-    sys.exit(1)
-print "signature check succeeded"
+        sth = get_sth(baseurl)
 
-if lookup_in_log:
+        proof = get_proof_by_hash(baseurl, leaf_hash, sth["tree_size"])
 
-    merkle_tree_leaf = pack_mtl(result["timestamp"], certs[0])
+        leaf_index = proof["leaf_index"]
 
-    leaf_hash = get_leaf_hash(merkle_tree_leaf)
+        entries = get_entries(baseurl, leaf_index, leaf_index)
 
-    sth = get_sth(baseurl)
+        fetched_entry = entries["entries"][0]
 
-    proof = get_proof_by_hash(baseurl, leaf_hash, sth["tree_size"])
+        print "does the leaf_input of the fetched entry match what we calculated:", \
+          base64.decodestring(fetched_entry["leaf_input"]) == merkle_tree_leaf
 
-    leaf_index = proof["leaf_index"]
+        extra_data = fetched_entry["extra_data"]
 
-    entries = get_entries(baseurl, leaf_index, leaf_index)
+        certchain = decode_certificate_chain(base64.decodestring(extra_data))
 
-    fetched_entry = entries["entries"][0]
+        submittedcertchain = certs[1:]
 
-    print "does the leaf_input of the fetched entry match what we calculated:", \
-      base64.decodestring(fetched_entry["leaf_input"]) == merkle_tree_leaf
+        for (submittedcert, fetchedcert, i) in zip(submittedcertchain,
+                                                   certchain, itertools.count(1)):
+            print "cert", i, "in chain is the same:", submittedcert == fetchedcert
 
-    extra_data = fetched_entry["extra_data"]
+        if len(certchain) == len(submittedcertchain) + 1:
+            last_issuer = get_cert_info(certs[-1])["issuer"]
+            root_subject = get_cert_info(certchain[-1])["subject"]
+            print "issuer of last cert in submitted chain and " \
+                "subject of last cert in fetched chain is the same:", \
+                last_issuer == root_subject
+        elif len(certchain) == len(submittedcertchain):
+            print "cert chains are the same length"
+        else:
+            print "ERROR: fetched cert chain has length", len(certchain),
+            print "and submitted chain has length", len(submittedcertchain)
 
-    certchain = decode_certificate_chain(base64.decodestring(extra_data))
+    timing_point(timing, "lookup")
+    return timing["deltatimes"]
 
-    submittedcertchain = certs[1:]
+p = Pool(1)
 
-    for (submittedcert, fetchedcert, i) in zip(submittedcertchain,
-                                               certchain, itertools.count(1)):
-        print "cert", i, "in chain is the same:", submittedcert == fetchedcert
+for timing in p.imap_unordered(submitcert, certfiles):
+    print timing
 
-    if len(certchain) == len(submittedcertchain) + 1:
-        last_issuer = get_cert_info(certs[-1])["issuer"]
-        root_subject = get_cert_info(certchain[-1])["subject"]
-        print "issuer of last cert in submitted chain and " \
-            "subject of last cert in fetched chain is the same:", \
-            last_issuer == root_subject
-    elif len(certchain) == len(submittedcertchain):
-        print "cert chains are the same length"
-    else:
-        print "ERROR: fetched cert chain has length", len(certchain),
-        print "and submitted chain has length", len(submittedcertchain)
-- 
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