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Crypto module autoloading

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2009-12-23 17:33:35 +01:00
parent ba136b293a
commit 7316783f35
9 changed files with 230 additions and 21 deletions
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38
util/import_gcry.py
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@ -61,6 +61,18 @@ mdblocksizes = {"_gcry_digest_spec_crc32" : 64,
"_gcry_digest_spec_tiger" : 64,
"_gcry_digest_spec_whirlpool" : 64}
cryptolist = open (os.path.join (cipher_dir_out, "crypto.lst"), "w")
# 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)
@ -86,7 +98,15 @@ for cipher_file in cipher_files:
skip = False
skip2 = False
ismd = False
iscryptostart = False
iscomma = False
isglue = False
if isc:
modname = cipher_file [0:len(cipher_file) - 2]
if re.match (".*-glue$", modname):
modname = modname.replace ("-glue", "")
isglue = True
modname = "gcry_%s" % modname
for line in f:
if skip:
if line[0] == "}":
@ -96,6 +116,12 @@ for cipher_file in cipher_files:
if not re.search (" *};", line) is None:
skip2 = False
continue
if iscryptostart:
s = re.search (" *\"([A-Z0-9_a-z]*)\"", line)
if not s is None:
sg = s.groups()[0]
cryptolist.write (("%s: %s\n") % (sg, modname))
iscryptostart = False
if ismd:
if not re.search (" *};", line) is None:
if not mdblocksizes.has_key (mdname):
@ -133,16 +159,20 @@ for cipher_file in cipher_files:
continue
m = re.match ("gcry_cipher_spec_t", line)
if isc and not m is None:
assert (not iscryptostart)
ciphername = line [len ("gcry_cipher_spec_t"):].strip ()
ciphername = re.match("[a-zA-Z0-9_]*",ciphername).group ()
ciphernames.append (ciphername)
iscryptostart = True
m = re.match ("gcry_md_spec_t", line)
if isc and not m is None:
assert (not ismd)
assert (not iscryptostart)
mdname = line [len ("gcry_md_spec_t"):].strip ()
mdname = re.match("[a-zA-Z0-9_]*",mdname).group ()
mdnames.append (mdname)
ismd = True
iscryptostart = True
m = re.match ("static const char \*selftest.*;$", line)
if not m is None:
fname = line[len ("static const char \*"):]
@ -185,14 +215,11 @@ for cipher_file in cipher_files:
continue
fw.write (line)
if len (ciphernames) > 0 or len (mdnames) > 0:
modname = cipher_file [0:len(cipher_file) - 2]
if re.match (".*-glue$", modname):
if isglue:
modfiles = "lib/libgcrypt-grub/cipher/%s lib/libgcrypt-grub/cipher/%s" \
% (cipher_file, cipher_file.replace ("-glue.c", ".c"))
modname = modname.replace ("-glue", "")
else:
modfiles = "lib/libgcrypt-grub/cipher/%s" % cipher_file
modname = "gcry_%s" % modname
chmsg = "(GRUB_MOD_INIT(%s)): New function\n" % modname
if nch:
chlognew = "%s\n %s" % (chlognew, chmsg)
@ -238,6 +265,9 @@ for cipher_file in cipher_files:
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")