341 lines
14 KiB
Python
341 lines
14 KiB
Python
#*
|
|
#* GRUB -- GRand Unified Bootloader
|
|
#* Copyright (C) 2009 Free Software Foundation, Inc.
|
|
#*
|
|
#* GRUB 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 3 of the License, or
|
|
#* (at your option) any later version.
|
|
#*
|
|
#* GRUB 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 General Public License for more details.
|
|
#*
|
|
#* You should have received a copy of the GNU General Public License
|
|
#* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
#*
|
|
|
|
import re
|
|
import sys
|
|
import os
|
|
import datetime
|
|
|
|
if len (sys.argv) < 3:
|
|
print ("Usage: %s SOURCE DESTINATION" % sys.argv[0])
|
|
exit (0)
|
|
indir = sys.argv[1]
|
|
outdir = sys.argv[2]
|
|
|
|
basedir = os.path.join (outdir, "lib/libgcrypt-grub")
|
|
try:
|
|
os.makedirs (basedir)
|
|
except:
|
|
print ("WARNING: %s already exists" % basedir)
|
|
cipher_dir_in = os.path.join (indir, "cipher")
|
|
cipher_dir_out = os.path.join (basedir, "cipher")
|
|
try:
|
|
os.makedirs (cipher_dir_out)
|
|
except:
|
|
print ("WARNING: %s already exists" % cipher_dir_out)
|
|
|
|
cipher_files = os.listdir (cipher_dir_in)
|
|
conf = open (os.path.join ("conf", "gcry.rmk"), "w")
|
|
conf.write ("# -*- makefile -*-\n\n")
|
|
chlog = ""
|
|
|
|
# Strictly speaking CRC32/CRC24 work on bytes so this value should be 1
|
|
# But libgcrypt uses 64. Let's keep the value for compatibility. Since
|
|
# noone uses CRC24/CRC32 for HMAC this is no problem
|
|
mdblocksizes = {"_gcry_digest_spec_crc32" : 64,
|
|
"_gcry_digest_spec_crc32_rfc1510" : 64,
|
|
"_gcry_digest_spec_crc24_rfc2440" : 64,
|
|
"_gcry_digest_spec_md4" : 64,
|
|
"_gcry_digest_spec_md5" : 64,
|
|
"_gcry_digest_spec_rmd160" : 64,
|
|
"_gcry_digest_spec_sha1" : 64,
|
|
"_gcry_digest_spec_sha224" : 64,
|
|
"_gcry_digest_spec_sha256" : 64,
|
|
"_gcry_digest_spec_sha384" : 128,
|
|
"_gcry_digest_spec_sha512" : 128,
|
|
"_gcry_digest_spec_tiger" : 64,
|
|
"_gcry_digest_spec_whirlpool" : 64}
|
|
|
|
cryptolist = open (os.path.join (cipher_dir_out, "crypto.lst"), "w")
|
|
conf.write ("MAINTAINER_CLEANFILES += $(srcdir)/conf/gcry.rmk $(srcdir)/lib/libgcrypt-grub/cipher/ChangeLog $(srcdir)/lib/libgcrypt-grub/cipher/cipher.h $(srcdir)/lib/libgcrypt-grub/cipher/crypto.lst $(srcdir)/lib/libgcrypt-grub/cipher/g10lib.h $(srcdir)/lib/libgcrypt-grub/cipher/memory.h $(srcdir)/lib/libgcrypt-grub/cipher/types.h\n");
|
|
|
|
# rijndael is the only cipher using aliases. So no need for mangling, just
|
|
# hardcode it
|
|
cryptolist.write ("RIJNDAEL: gcry_rijndael\n");
|
|
cryptolist.write ("RIJNDAEL192: gcry_rijndael\n");
|
|
cryptolist.write ("RIJNDAEL256: gcry_rijndael\n");
|
|
cryptolist.write ("AES128: gcry_rijndael\n");
|
|
cryptolist.write ("AES-128: gcry_rijndael\n");
|
|
cryptolist.write ("AES-192: gcry_rijndael\n");
|
|
cryptolist.write ("AES-256: gcry_rijndael\n");
|
|
|
|
for cipher_file in cipher_files:
|
|
infile = os.path.join (cipher_dir_in, cipher_file)
|
|
outfile = os.path.join (cipher_dir_out, cipher_file)
|
|
if cipher_file == "ChangeLog":
|
|
continue
|
|
chlognew = " * %s" % cipher_file
|
|
if re.match ("(Manifest|Makefile\.am|ac\.c|cipher\.c|hash-common\.c|hmac-tests\.c|md\.c|pubkey\.c)$", cipher_file):
|
|
chlog = "%s%s: Removed\n" % (chlog, chlognew)
|
|
continue
|
|
# Autogenerated files. Not even worth mentionning in ChangeLog
|
|
if re.match ("Makefile\.in$", cipher_file):
|
|
continue
|
|
nch = False
|
|
if re.match (".*\.[ch]$", cipher_file):
|
|
conf.write ("MAINTAINER_CLEANFILES += $(srcdir)/lib/libgcrypt-grub/cipher/" + cipher_file + "\n");
|
|
isc = re.match (".*\.c$", cipher_file)
|
|
f = open (infile, "r")
|
|
fw = open (outfile, "w")
|
|
fw.write ("/* This file was automatically imported with \n")
|
|
fw.write (" import_gcry.py. Please don't modify it */\n");
|
|
ciphernames = []
|
|
mdnames = []
|
|
hold = False
|
|
skip = False
|
|
skip2 = False
|
|
ismd = False
|
|
iscryptostart = False
|
|
iscomma = False
|
|
isglue = False
|
|
skip_statement = False
|
|
if isc:
|
|
modname = cipher_file [0:len(cipher_file) - 2]
|
|
if re.match (".*-glue$", modname):
|
|
modname = modname.replace ("-glue", "")
|
|
isglue = True
|
|
modname = "gcry_%s" % modname
|
|
for line in f:
|
|
if skip_statement:
|
|
if not re.search (";", line) is None:
|
|
skip_statement = False
|
|
continue
|
|
if skip:
|
|
if line[0] == "}":
|
|
skip = False
|
|
continue
|
|
if skip2:
|
|
if not re.search (" *};", line) is None:
|
|
skip2 = False
|
|
continue
|
|
if iscryptostart:
|
|
s = re.search (" *\"([A-Z0-9_a-z]*)\"", line)
|
|
if not s is None:
|
|
sg = s.groups()[0]
|
|
cryptolist.write (("%s: %s\n") % (sg, modname))
|
|
iscryptostart = False
|
|
if ismd:
|
|
if not re.search (" *};", line) is None:
|
|
if not mdblocksizes.has_key (mdname):
|
|
print ("ERROR: Unknown digest blocksize: %s\n" % mdname)
|
|
exit (1)
|
|
if not iscomma:
|
|
fw.write (" ,\n")
|
|
fw.write (" .blocksize = %s\n" % mdblocksizes [mdname])
|
|
ismd = False
|
|
iscomma = not re.search (",$", line) is None
|
|
# Used only for selftests.
|
|
m = re.match ("(static byte|static unsigned char) (weak_keys_chksum)\[[0-9]*\] =", line)
|
|
if not m is None:
|
|
skip = True
|
|
fname = m.groups ()[1]
|
|
chmsg = "(%s): Removed." % fname
|
|
if nch:
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
else:
|
|
chlognew = "%s %s" % (chlognew, chmsg)
|
|
nch = True
|
|
continue
|
|
if hold:
|
|
hold = False
|
|
# We're optimising for size.
|
|
if not re.match ("(run_selftests|selftest|_gcry_aes_c.._..c|_gcry_[a-z0-9]*_hash_buffer|tripledes_set2keys|do_tripledes_set_extra_info)", line) is None:
|
|
skip = True
|
|
fname = re.match ("[a-zA-Z0-9_]*", line).group ()
|
|
chmsg = "(%s): Removed." % fname
|
|
if nch:
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
else:
|
|
chlognew = "%s %s" % (chlognew, chmsg)
|
|
nch = True
|
|
continue
|
|
else:
|
|
fw.write (holdline)
|
|
m = re.match ("#include <.*>", line)
|
|
if not m is None:
|
|
chmsg = "Removed including of %s" % \
|
|
m.group () [len ("#include <"):len (m.group ()) - 1]
|
|
if nch:
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
else:
|
|
chlognew = "%s: %s" % (chlognew, chmsg)
|
|
nch = True
|
|
continue
|
|
m = re.match ("gcry_cipher_spec_t", line)
|
|
if isc and not m is None:
|
|
assert (not iscryptostart)
|
|
ciphername = line [len ("gcry_cipher_spec_t"):].strip ()
|
|
ciphername = re.match("[a-zA-Z0-9_]*",ciphername).group ()
|
|
ciphernames.append (ciphername)
|
|
iscryptostart = True
|
|
m = re.match ("gcry_md_spec_t", line)
|
|
if isc and not m is None:
|
|
assert (not ismd)
|
|
assert (not iscryptostart)
|
|
mdname = line [len ("gcry_md_spec_t"):].strip ()
|
|
mdname = re.match("[a-zA-Z0-9_]*",mdname).group ()
|
|
mdnames.append (mdname)
|
|
ismd = True
|
|
iscryptostart = True
|
|
m = re.match ("static const char \*selftest.*;$", line)
|
|
if not m is None:
|
|
fname = line[len ("static const char \*"):]
|
|
fname = re.match ("[a-zA-Z0-9_]*", fname).group ()
|
|
chmsg = "(%s): Removed declaration." % fname
|
|
if nch:
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
else:
|
|
chlognew = "%s %s" % (chlognew, chmsg)
|
|
nch = True
|
|
continue
|
|
m = re.match ("(static const char( |)\*|static gpg_err_code_t|void|static int|static gcry_err_code_t)$", line)
|
|
if not m is None:
|
|
hold = True
|
|
holdline = line
|
|
continue
|
|
m = re.match ("static int tripledes_set2keys \(.*\);", line)
|
|
if not m is None:
|
|
continue
|
|
m = re.match ("static int tripledes_set2keys \(", line)
|
|
if not m is None:
|
|
skip_statement = True
|
|
continue
|
|
m = re.match ("cipher_extra_spec_t", line)
|
|
if isc and not m is None:
|
|
skip2 = True
|
|
fname = line[len ("cipher_extra_spec_t "):]
|
|
fname = re.match ("[a-zA-Z0-9_]*", fname).group ()
|
|
chmsg = "(%s): Removed." % fname
|
|
if nch:
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
else:
|
|
chlognew = "%s %s" % (chlognew, chmsg)
|
|
nch = True
|
|
continue
|
|
m = re.match ("md_extra_spec_t", line)
|
|
if isc and not m is None:
|
|
skip2 = True
|
|
fname = line[len ("md_extra_spec_t "):]
|
|
fname = re.match ("[a-zA-Z0-9_]*", fname).group ()
|
|
chmsg = "(%s): Removed." % fname
|
|
if nch:
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
else:
|
|
chlognew = "%s %s" % (chlognew, chmsg)
|
|
nch = True
|
|
continue
|
|
fw.write (line)
|
|
if len (ciphernames) > 0 or len (mdnames) > 0:
|
|
if isglue:
|
|
modfiles = "lib/libgcrypt-grub/cipher/%s lib/libgcrypt-grub/cipher/%s" \
|
|
% (cipher_file, cipher_file.replace ("-glue.c", ".c"))
|
|
else:
|
|
modfiles = "lib/libgcrypt-grub/cipher/%s" % cipher_file
|
|
chmsg = "(GRUB_MOD_INIT(%s)): New function\n" % modname
|
|
if nch:
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
else:
|
|
chlognew = "%s%s" % (chlognew, chmsg)
|
|
nch = True
|
|
fw.write ("\n\nGRUB_MOD_INIT(%s)\n" % modname)
|
|
fw.write ("{\n")
|
|
for ciphername in ciphernames:
|
|
chmsg = "Register cipher %s" % ciphername
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
fw.write (" grub_cipher_register (&%s);\n" % ciphername)
|
|
for mdname in mdnames:
|
|
chmsg = "Register digest %s" % mdname
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
fw.write (" grub_md_register (&%s);\n" % mdname)
|
|
fw.write ("}")
|
|
chmsg = "(GRUB_MOD_FINI(%s)): New function\n" % modname
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
fw.write ("\n\nGRUB_MOD_FINI(%s)\n" % modname)
|
|
fw.write ("{\n")
|
|
for ciphername in ciphernames:
|
|
chmsg = "Unregister cipher %s" % ciphername
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
fw.write (" grub_cipher_unregister (&%s);\n" % ciphername)
|
|
for mdname in mdnames:
|
|
chmsg = "Unregister MD %s" % mdname
|
|
chlognew = "%s\n %s" % (chlognew, chmsg)
|
|
fw.write (" grub_md_unregister (&%s);\n" % mdname)
|
|
fw.write ("}\n")
|
|
conf.write ("pkglib_MODULES += %s.mod\n" % modname)
|
|
conf.write ("%s_mod_SOURCES = %s\n" %\
|
|
(modname, modfiles))
|
|
conf.write ("%s_mod_CFLAGS = $(COMMON_CFLAGS) -Wno-missing-field-initializers -Wno-error -I$(srcdir)/lib/libgcrypt_wrap\n" % modname)
|
|
conf.write ("%s_mod_LDFLAGS = $(COMMON_LDFLAGS)\n\n" % modname)
|
|
elif isc and cipher_file != "camellia.c":
|
|
print ("WARNING: C file isn't a module: %s" % cipher_file)
|
|
f.close ()
|
|
fw.close ()
|
|
if nch:
|
|
chlog = "%s%s\n" % (chlog, chlognew)
|
|
continue
|
|
chlog = "%s%sSkipped unknown file\n" % (chlog, chlognew)
|
|
print ("WARNING: unknown file %s" % cipher_file)
|
|
|
|
cryptolist.close ()
|
|
chlog = "%s * crypto.lst: New file.\n" % chlog
|
|
|
|
outfile = os.path.join (cipher_dir_out, "types.h")
|
|
fw=open (outfile, "w")
|
|
fw.write ("#include <grub/types.h>\n")
|
|
fw.write ("#include <cipher_wrap.h>\n")
|
|
chlog = "%s * types.h: New file.\n" % chlog
|
|
fw.close ()
|
|
|
|
outfile = os.path.join (cipher_dir_out, "memory.h")
|
|
fw=open (outfile, "w")
|
|
fw.write ("#include <cipher_wrap.h>\n")
|
|
chlog = "%s * memory.h: New file.\n" % chlog
|
|
fw.close ()
|
|
|
|
|
|
outfile = os.path.join (cipher_dir_out, "cipher.h")
|
|
fw=open (outfile, "w")
|
|
fw.write ("#include <grub/crypto.h>\n")
|
|
fw.write ("#include <cipher_wrap.h>\n")
|
|
chlog = "%s * cipher.h: Likewise.\n" % chlog
|
|
fw.close ()
|
|
|
|
outfile = os.path.join (cipher_dir_out, "g10lib.h")
|
|
fw=open (outfile, "w")
|
|
fw.write ("#include <cipher_wrap.h>\n")
|
|
chlog = "%s * g10lib.h: Likewise.\n" % chlog
|
|
fw.close ()
|
|
|
|
infile = os.path.join (cipher_dir_in, "ChangeLog")
|
|
outfile = os.path.join (cipher_dir_out, "ChangeLog")
|
|
|
|
|
|
f=open (infile, "r")
|
|
fw=open (outfile, "w")
|
|
dt = datetime.date.today ()
|
|
fw.write ("%04d-%02d-%02d Automatic import tool\n" % \
|
|
(dt.year,dt.month, dt.day))
|
|
fw.write ("\n")
|
|
fw.write (" Imported ciphers to GRUB\n")
|
|
fw.write ("\n")
|
|
fw.write (chlog)
|
|
fw.write ("\n")
|
|
for line in f:
|
|
fw.write (line)
|
|
f.close ()
|
|
fw.close ()
|