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Have get_mozilla_ciphers take sourcedirs as arguments

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This commit is contained in:
Nick Mathewson 2012-03-14 16:53:39 -04:00
parent a6a905cc11
commit 092b9aca8c
1 changed files with 27 additions and 7 deletions
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34
src/common/get_mozilla_ciphers.py
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@ -5,13 +5,30 @@
# This script parses Firefox and OpenSSL sources, and uses this information
# to generate a ciphers.inc file.
#
# It takes two arguments: the location of a firefox source directory, and the
# location of an openssl source directory.
import os
import re
import sys
if len(sys.argv) != 3:
print >>sys.stderr, "Syntax: get_mozilla_ciphers.py <firefox-source-dir> <openssl-source-dir>"
sys.exit(1)
ff_root = sys.argv[1]
ossl_root = sys.argv[2]
def ff(s):
return os.path.join(ff_root, s)
def ossl(s):
return os.path.join(ossl_root, s)
#####
# Read the cpp file to understand what Ciphers map to what name :
# Make "ciphers" a map from name used in the javascript to a cipher macro name
fileA = open('security/manager/ssl/src/nsNSSComponent.cpp','r')
fileA = open(ff('security/manager/ssl/src/nsNSSComponent.cpp'),'r')
# The input format is a file containing exactly one section of the form:
# static CipherPref CipherPrefs[] = {
@ -49,7 +66,7 @@ for line in cipherLines:
# Build a map enabled_ciphers from javascript name to "true" or "false",
# and an (unordered!) list of the macro names for those ciphers that are
# enabled.
fileB = open('netwerk/base/public/security-prefs.js', 'r')
fileB = open(ff('netwerk/base/public/security-prefs.js'), 'r')
enabled_ciphers = {}
for line in fileB:
@ -66,15 +83,18 @@ for k, v in enabled_ciphers.items():
if v == "true":
used_ciphers.append(ciphers[k])
oSSLinclude = ('/usr/include/openssl/ssl3.h', '/usr/include/openssl/ssl.h',
'/usr/include/openssl/ssl2.h', '/usr/include/openssl/ssl23.h',
'/usr/include/openssl/tls1.h')
#oSSLinclude = ('/usr/include/openssl/ssl3.h', '/usr/include/openssl/ssl.h',
# '/usr/include/openssl/ssl2.h', '/usr/include/openssl/ssl23.h',
# '/usr/include/openssl/tls1.h')
oSSLinclude = ('ssl/ssl3.h', 'ssl/ssl.h',
'ssl/ssl2.h', 'ssl/ssl23.h',
'ssl/tls1.h')
#####
# This reads the hex code for the ciphers that are used by firefox.
# sslProtoD is set to a map from macro name to macro value in sslproto.h;
# cipher_codes is set to an (unordered!) list of these hex values.
sslProto = open('security/nss/lib/ssl/sslproto.h', 'r')
sslProto = open(ff('security/nss/lib/ssl/sslproto.h'), 'r')
sslProtoD = {}
for line in sslProto:
@ -93,7 +113,7 @@ for x in used_ciphers:
# macro names for those files.
cipher_hex = {}
for fl in oSSLinclude:
fp = open(fl, 'r')
fp = open(ossl(fl), 'r')
for line in fp.readlines():
m = re.match('#define\s+(\S+)\s+(\S+)', line)
if m: