util/import_gcry.py

   1 #*
   2 #*  GRUB  --  GRand Unified Bootloader
   3 #*  Copyright (C) 2009  Free Software Foundation, Inc.
   4 #*
   5 #*  GRUB is free software: you can redistribute it and/or modify
   6 #*  it under the terms of the GNU General Public License as published by
   7 #*  the Free Software Foundation, either version 3 of the License, or
   8 #*  (at your option) any later version.
   9 #*
  10 #*  GRUB is distributed in the hope that it will be useful,
  11 #*  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 #*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 #*  GNU General Public License for more details.
  14 #*
  15 #*  You should have received a copy of the GNU General Public License
  16 #*  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17 #*
  18
  19 import re
  20 import sys
  21 import os
  22 import datetime
  23 import codecs
  24
  25 if len (sys.argv) < 3:
  26     print ("Usage: %s SOURCE DESTINATION" % sys.argv[0])
  27     exit (0)
  28 indir = sys.argv[1]
  29 outdir = sys.argv[2]
  30
  31 basedir = os.path.join (outdir, "lib/libgcrypt-grub")
  32 try:
  33     os.makedirs (basedir)
  34 except:
  35     print ("WARNING: %s already exists" % basedir)
  36 cipher_dir_in = os.path.join (indir, "cipher")
  37 cipher_dir_out = os.path.join (basedir, "cipher")
  38 try:
  39     os.makedirs (cipher_dir_out)
  40 except:
  41     print ("WARNING: %s already exists" % cipher_dir_out)
  42 mpidir =  os.path.join (basedir, "mpi")
  43 try:
  44     os.makedirs (mpidir)
  45 except:
  46     print ("WARNING: %s already exists" % mpidir)
  47
  48 srcdir =  os.path.join (basedir, "src")
  49 try:
  50     os.makedirs (srcdir)
  51 except:
  52     print ("WARNING: %s already exists" % srcdir)
  53
  54 cipher_files = sorted (os.listdir (cipher_dir_in))
  55 conf = codecs.open (os.path.join ("grub-core", "Makefile.gcry.def"), "w", "utf-8")
  56 conf.write ("AutoGen definitions Makefile.tpl;\n\n")
  57 confutil = codecs.open ("Makefile.utilgcry.def", "w", "utf-8")
  58 confutil.write ("AutoGen definitions Makefile.tpl;\n\n")
  59 confutil.write ("library = {\n");
  60 confutil.write ("  name = libgrubgcry.a;\n");
  61 confutil.write ("  cflags = '$(CFLAGS_GCRY)';\n");
  62 confutil.write ("  cppflags = '$(CPPFLAGS_GCRY)';\n");
  63 confutil.write ("  extra_dist = grub-core/lib/libgcrypt-grub/cipher/ChangeLog;\n");
  64 confutil.write ("\n");
  65 chlog = ""
  66 modules_sym_md = []
  67
  68 # Strictly speaking CRC32/CRC24 work on bytes so this value should be 1
  69 # But libgcrypt uses 64. Let's keep the value for compatibility. Since
  70 # noone uses CRC24/CRC32 for HMAC this is no problem
  71 mdblocksizes = {"_gcry_digest_spec_crc32" : 64,
  72                 "_gcry_digest_spec_crc32_rfc1510" : 64,
  73                 "_gcry_digest_spec_crc24_rfc2440" : 64,
  74                 "_gcry_digest_spec_md4" : 64,
  75                 "_gcry_digest_spec_md5" : 64,
  76                 "_gcry_digest_spec_rmd160" : 64,
  77                 "_gcry_digest_spec_sha1" : 64,
  78                 "_gcry_digest_spec_sha224" : 64,
  79                 "_gcry_digest_spec_sha256" : 64,
  80                 "_gcry_digest_spec_sha384" : 128,
  81                 "_gcry_digest_spec_sha512" : 128,
  82                 "_gcry_digest_spec_tiger" : 64,
  83                 "_gcry_digest_spec_tiger1" : 64,
  84                 "_gcry_digest_spec_tiger2" : 64,
  85                 "_gcry_digest_spec_whirlpool" : 64}
  86
  87 cryptolist = codecs.open (os.path.join (cipher_dir_out, "crypto.lst"), "w", "utf-8")
  88
  89 # rijndael is the only cipher using aliases. So no need for mangling, just
  90 # hardcode it
  91 cryptolist.write ("RIJNDAEL: gcry_rijndael\n");
  92 cryptolist.write ("RIJNDAEL192: gcry_rijndael\n");
  93 cryptolist.write ("RIJNDAEL256: gcry_rijndael\n");
  94 cryptolist.write ("AES128: gcry_rijndael\n");
  95 cryptolist.write ("AES-128: gcry_rijndael\n");
  96 cryptolist.write ("AES-192: gcry_rijndael\n");
  97 cryptolist.write ("AES-256: gcry_rijndael\n");
  98
  99 cryptolist.write ("ADLER32: adler32\n");
 100 cryptolist.write ("CRC64: crc64\n");
 101
 102 for cipher_file in cipher_files:
 103     infile = os.path.join (cipher_dir_in, cipher_file)
 104     outfile = os.path.join (cipher_dir_out, cipher_file)
 105     if cipher_file == "ChangeLog" or cipher_file == "ChangeLog-2011":
 106         continue
 107     chlognew = "        * %s" % cipher_file
 108     if re.match ("(Manifest|Makefile\.am|ac\.c|cipher\.c|hash-common\.c|hmac-tests\.c|md\.c|pubkey\.c)$", cipher_file) or cipher_file == "kdf.c" or cipher_file == "elgamal.c" or cipher_file == "primegen.c" or cipher_file == "ecc.c" or cipher_file == "test-getrusage.c":
 109         chlog = "%s%s: Removed\n" % (chlog, chlognew)
 110         continue
 111     # Autogenerated files. Not even worth mentionning in ChangeLog
 112     if re.match ("Makefile\.in$", cipher_file):
 113         continue
 114     nch = False
 115     if re.match (".*\.[ch]$", cipher_file):
 116         isc = re.match (".*\.c$", cipher_file)
 117         f = codecs.open (infile, "r", "utf-8")
 118         fw = codecs.open (outfile, "w", "utf-8")
 119         fw.write ("/* This file was automatically imported with \n")
 120         fw.write ("   import_gcry.py. Please don't modify it */\n")
 121         fw.write ("#include <grub/dl.h>\n")
 122         if cipher_file == "camellia.h":
 123             fw.write ("#include <grub/misc.h>\n")
 124             fw.write ("void camellia_setup128(const unsigned char *key, grub_uint32_t *subkey);\n")
 125             fw.write ("void camellia_setup192(const unsigned char *key, grub_uint32_t *subkey);\n")
 126             fw.write ("void camellia_setup256(const unsigned char *key, grub_uint32_t *subkey);\n")
 127             fw.write ("void camellia_encrypt128(const grub_uint32_t *subkey, grub_uint32_t *io);\n")
 128             fw.write ("void camellia_encrypt192(const grub_uint32_t *subkey, grub_uint32_t *io);\n")
 129             fw.write ("void camellia_encrypt256(const grub_uint32_t *subkey, grub_uint32_t *io);\n")
 130             fw.write ("void camellia_decrypt128(const grub_uint32_t *subkey, grub_uint32_t *io);\n")
 131             fw.write ("void camellia_decrypt192(const grub_uint32_t *subkey, grub_uint32_t *io);\n")
 132             fw.write ("void camellia_decrypt256(const grub_uint32_t *subkey, grub_uint32_t *io);\n")
 133             fw.write ("#define memcpy grub_memcpy\n")
 134         # Whole libgcrypt is distributed under GPLv3+ or compatible
 135         if isc:
 136             fw.write ("GRUB_MOD_LICENSE (\"GPLv3+\");\n")
 137
 138         ciphernames = []
 139         mdnames = []
 140         mdctxsizes = []
 141         pknames = []
 142         hold = False
 143         skip = 0
 144         skip2 = False
 145         ismd = False
 146         mdarg = 0
 147         ispk = False
 148         iscipher = False
 149         iscryptostart = False
 150         iscomma = False
 151         isglue = False
 152         skip_statement = False
 153         if isc:
 154             modname = cipher_file [0:len(cipher_file) - 2]
 155             if re.match (".*-glue$", modname):
 156                 modname = modname.replace ("-glue", "")
 157                 isglue = True
 158             modname = "gcry_%s" % modname
 159         for line in f:
 160             line = line
 161             if skip_statement:
 162                 if not re.search (";", line) is None:
 163                     skip_statement = False
 164                 continue
 165             if skip > 0:
 166                 if line[0] == "}":
 167                     skip = skip - 1
 168                 continue
 169             if skip2:
 170                 if not re.search (" *};", line) is None:
 171                     skip2 = False
 172                 continue
 173             if iscryptostart:
 174                 s = re.search (" *\"([A-Z0-9_a-z]*)\"", line)
 175                 if not s is None:
 176                     sg = s.groups()[0]
 177                     cryptolist.write (("%s: %s\n") % (sg, modname))
 178                     iscryptostart = False
 179             if ismd:
 180                 spl = line.split (",")
 181                 if mdarg + len (spl) > 9 and mdarg <= 9 and ("sizeof" in spl[9-mdarg]):
 182                     mdctxsizes.append (spl[9-mdarg].lstrip ().rstrip())
 183                 mdarg = mdarg + len (spl) - 1
 184             if ismd or iscipher or ispk:
 185                 if not re.search (" *};", line) is None:
 186                     if not iscomma:
 187                         fw.write ("    ,\n")
 188                     fw.write ("#ifdef GRUB_UTIL\n");
 189                     fw.write ("    .modname = \"%s\",\n" % modname);
 190                     fw.write ("#endif\n");
 191                     if ismd:
 192                         if not (mdname in mdblocksizes):
 193                             print ("ERROR: Unknown digest blocksize: %s\n"
 194                                    % mdname)
 195                             exit (1)
 196                         fw.write ("    .blocksize = %s\n"
 197                                   % mdblocksizes [mdname])
 198                     ismd = False
 199                     mdarg = 0
 200                     iscipher = False
 201                     ispk = False
 202                 iscomma = not re.search (",$", line) is None
 203             # Used only for selftests.
 204             m = re.match ("(static byte|static unsigned char) (weak_keys_chksum)\[[0-9]*\] =", line)
 205             if not m is None:
 206                 skip = 1
 207                 fname = m.groups ()[1]
 208                 chmsg = "(%s): Removed." % fname
 209                 if nch:
 210                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 211                 else:
 212                     chlognew = "%s %s" % (chlognew, chmsg)
 213                     nch = True
 214                 continue
 215             if hold:
 216                 hold = False
 217                 # We're optimising for size and exclude anything needing good
 218                 # randomness.
 219                 if not re.match ("(run_selftests|selftest|_gcry_aes_c.._..c|_gcry_[a-z0-9]*_hash_buffer|tripledes_set2keys|do_tripledes_set_extra_info|_gcry_rmd160_mixblock|serpent_test|dsa_generate_ext|test_keys|gen_k|sign|gen_x931_parm_xp|generate_x931|generate_key|dsa_generate|dsa_sign|ecc_sign|generate|generate_fips186|_gcry_register_pk_dsa_progress|_gcry_register_pk_ecc_progress|progress|scanval|ec2os|ecc_generate_ext|ecc_generate|compute_keygrip|ecc_get_param|_gcry_register_pk_dsa_progress|gen_x931_parm_xp|gen_x931_parm_xi|rsa_decrypt|rsa_sign|rsa_generate_ext|rsa_generate|secret|check_exponent|rsa_blind|rsa_unblind|extract_a_from_sexp|curve_free|curve_copy|point_set)", line) is None:
 220
 221                     skip = 1
 222                     if not re.match ("selftest", line) is None and cipher_file == "idea.c":
 223                         skip = 3
 224
 225                     if not re.match ("serpent_test", line) is None:
 226                         fw.write ("static const char *serpent_test (void) { return 0; }\n");
 227                     if not re.match ("dsa_generate", line) is None:
 228                         fw.write ("#define dsa_generate 0");
 229                     if not re.match ("ecc_generate", line) is None:
 230                         fw.write ("#define ecc_generate 0");
 231                     if not re.match ("rsa_generate ", line) is None:
 232                         fw.write ("#define rsa_generate 0");
 233                     if not re.match ("rsa_sign", line) is None:
 234                         fw.write ("#define rsa_sign 0");
 235                     if not re.match ("rsa_decrypt", line) is None:
 236                         fw.write ("#define rsa_decrypt 0");
 237                     if not re.match ("dsa_sign", line) is None:
 238                         fw.write ("#define dsa_sign 0");
 239                     if not re.match ("ecc_sign", line) is None:
 240                         fw.write ("#define ecc_sign 0");
 241                     fname = re.match ("[a-zA-Z0-9_]*", line).group ()
 242                     chmsg = "(%s): Removed." % fname
 243                     if nch:
 244                         chlognew = "%s\n        %s" % (chlognew, chmsg)
 245                     else:
 246                         chlognew = "%s %s" % (chlognew, chmsg)
 247                         nch = True
 248                     continue
 249                 else:
 250                     fw.write (holdline)
 251             m = re.match ("# *include <(.*)>", line)
 252             if not m is None:
 253                 chmsg = "Removed including of %s" % m.groups ()[0]
 254                 if nch:
 255                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 256                 else:
 257                     chlognew = "%s: %s" % (chlognew, chmsg)
 258                     nch = True
 259                 continue
 260             m = re.match ("gcry_cipher_spec_t", line)
 261             if isc and not m is None:
 262                 assert (not ismd)
 263                 assert (not ispk)
 264                 assert (not iscipher)
 265                 assert (not iscryptostart)
 266                 ciphername = line [len ("gcry_cipher_spec_t"):].strip ()
 267                 ciphername = re.match("[a-zA-Z0-9_]*",ciphername).group ()
 268                 ciphernames.append (ciphername)
 269                 iscipher = True
 270                 iscryptostart = True
 271
 272             m = re.match ("gcry_pk_spec_t", line)
 273             if isc and not m is None:
 274                 assert (not ismd)
 275                 assert (not ispk)
 276                 assert (not iscipher)
 277                 assert (not iscryptostart)
 278                 pkname = line [len ("gcry_pk_spec_t"):].strip ()
 279                 pkname = re.match("[a-zA-Z0-9_]*",pkname).group ()
 280                 pknames.append (pkname)
 281                 ispk = True
 282                 iscryptostart = True
 283
 284             m = re.match ("gcry_md_spec_t", line)
 285             if isc and not m is None:
 286                 assert (not ismd)
 287                 assert (not ispk)
 288                 assert (not iscipher)
 289                 assert (not iscryptostart)
 290                 mdname = line [len ("gcry_md_spec_t"):].strip ()
 291                 mdname = re.match("[a-zA-Z0-9_]*",mdname).group ()
 292                 mdnames.append (mdname)
 293                 ismd = True
 294                 mdarg = 0
 295                 iscryptostart = True
 296             m = re.match ("static const char \*selftest.*;$", line)
 297             if not m is None:
 298                 fname = line[len ("static const char \*"):]
 299                 fname = re.match ("[a-zA-Z0-9_]*", fname).group ()
 300                 chmsg = "(%s): Removed declaration." % fname
 301                 if nch:
 302                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 303                 else:
 304                     chlognew = "%s %s" % (chlognew, chmsg)
 305                     nch = True
 306                 continue
 307             m = re.match ("static gcry_mpi_t gen_k .*;$", line)
 308             if not m is None:
 309                 chmsg = "(gen_k): Removed declaration."
 310                 if nch:
 311                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 312                 else:
 313                     chlognew = "%s %s" % (chlognew, chmsg)
 314                     nch = True
 315                 continue
 316             m = re.match ("static (int|void) test_keys .*;$", line)
 317             if not m is None:
 318                 chmsg = "(test_keys): Removed declaration."
 319                 if nch:
 320                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 321                 else:
 322                     chlognew = "%s %s" % (chlognew, chmsg)
 323                     nch = True
 324                 continue
 325             m = re.match ("static void secret .*;$", line)
 326             if not m is None:
 327                 chmsg = "(secret): Removed declaration."
 328                 if nch:
 329                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 330                 else:
 331                     chlognew = "%s %s" % (chlognew, chmsg)
 332                     nch = True
 333                 continue
 334             m = re.match ("static void \(\*progress_cb\).*;$", line)
 335             if not m is None:
 336                 chmsg = "(progress_cb): Removed declaration."
 337                 if nch:
 338                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 339                 else:
 340                     chlognew = "%s %s" % (chlognew, chmsg)
 341                     nch = True
 342                 continue
 343             m = re.match ("static void \*progress_cb_data.*;$", line)
 344             if not m is None:
 345                 chmsg = "(progress_cb): Removed declaration."
 346                 if nch:
 347                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 348                 else:
 349                     chlognew = "%s %s" % (chlognew, chmsg)
 350                     nch = True
 351                 continue
 352
 353             m = re.match ("(static const char( |)\*|static gpg_err_code_t|void|static int|static gcry_err_code_t|static gcry_mpi_t|static void|void|static elliptic_curve_t) *$", line)
 354             if not m is None:
 355                 hold = True
 356                 holdline = line
 357                 continue
 358             m = re.match ("static int tripledes_set2keys \(.*\);", line)
 359             if not m is None:
 360                 continue
 361             m = re.match ("static int tripledes_set3keys \(.*\);", line)
 362             if not m is None:
 363                 continue
 364             m = re.match ("static int tripledes_set2keys \(", line)
 365             if not m is None:
 366                 skip_statement = True
 367                 continue
 368             m = re.match ("static int tripledes_set3keys \(", line)
 369             if not m is None:
 370                 skip_statement = True
 371                 continue
 372             m = re.match ("static const char sample_secret_key", line)
 373             if not m is None:
 374                 skip_statement = True
 375                 continue
 376             m = re.match ("static const char sample_public_key", line)
 377             if not m is None:
 378                 skip_statement = True
 379                 continue
 380             m = re.match ("static void sign|static gpg_err_code_t sign|static gpg_err_code_t generate",
 381                           line)
 382             if not m is None:
 383                 skip_statement = True
 384                 continue
 385
 386             m = re.match ("cipher_extra_spec_t", line)
 387             if isc and not m is None:
 388                 skip2 = True
 389                 fname = line[len ("cipher_extra_spec_t "):]
 390                 fname = re.match ("[a-zA-Z0-9_]*", fname).group ()
 391                 chmsg = "(%s): Removed." % fname
 392                 if nch:
 393                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 394                 else:
 395                     chlognew = "%s %s" % (chlognew, chmsg)
 396                     nch = True
 397                 continue
 398             m = re.match ("pk_extra_spec_t", line)
 399             if isc and not m is None:
 400                 skip2 = True
 401                 fname = line[len ("pk_extra_spec_t "):]
 402                 fname = re.match ("[a-zA-Z0-9_]*", fname).group ()
 403                 chmsg = "(%s): Removed." % fname
 404                 if nch:
 405                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 406                 else:
 407                     chlognew = "%s %s" % (chlognew, chmsg)
 408                     nch = True
 409                 continue
 410             m = re.match ("md_extra_spec_t", line)
 411             if isc and not m is None:
 412                 skip2 = True
 413                 fname = line[len ("md_extra_spec_t "):]
 414                 fname = re.match ("[a-zA-Z0-9_]*", fname).group ()
 415                 chmsg = "(%s): Removed." % fname
 416                 if nch:
 417                     chlognew = "%s\n    %s" % (chlognew, chmsg)
 418                 else:
 419                     chlognew = "%s %s" % (chlognew, chmsg)
 420                     nch = True
 421                 continue
 422             fw.write (line)
 423         if len (ciphernames) > 0 or len (mdnames) > 0 or len (pknames) > 0:
 424             if isglue:
 425                 modfiles = "lib/libgcrypt-grub/cipher/%s lib/libgcrypt-grub/cipher/%s" \
 426                     % (cipher_file, cipher_file.replace ("-glue.c", ".c"))
 427             else:
 428                 modfiles = "lib/libgcrypt-grub/cipher/%s" % cipher_file
 429             if len (ciphernames) > 0 or len (mdnames) > 0:
 430                 modules_sym_md.append (modname)
 431             chmsg = "(GRUB_MOD_INIT(%s)): New function\n" % modname
 432             if nch:
 433                 chlognew = "%s\n        %s" % (chlognew, chmsg)
 434             else:
 435                 chlognew = "%s%s" % (chlognew, chmsg)
 436                 nch = True
 437             fw.write ("\n\nGRUB_MOD_INIT(%s)\n" % modname)
 438             fw.write ("{\n")
 439             for ciphername in ciphernames:
 440                 chmsg = "Register cipher %s" % ciphername
 441                 chlognew = "%s\n        %s" % (chlognew, chmsg)
 442                 fw.write ("  grub_cipher_register (&%s);\n" % ciphername)
 443             for ctxsize in mdctxsizes:
 444                 fw.write ("  COMPILE_TIME_ASSERT(%s <= GRUB_CRYPTO_MAX_MD_CONTEXT_SIZE);\n" % ctxsize)
 445             for mdname in mdnames:
 446                 chmsg = "Register digest %s" % mdname
 447                 chlognew = "%s\n        %s" % (chlognew, chmsg)
 448                 fw.write ("  grub_md_register (&%s);\n" % mdname)
 449             for pkname in pknames:
 450                 chmsg = "Register pk %s" % mdname
 451                 chlognew = "%s\n        %s" % (chlognew, chmsg)
 452                 fw.write ("  grub_crypto_pk_%s = &%s;\n"
 453                           % (pkname.replace ("_gcry_pubkey_spec_", ""), pkname))
 454             fw.write ("}")
 455             chmsg = "(GRUB_MOD_FINI(%s)): New function\n" % modname
 456             chlognew = "%s\n    %s" % (chlognew, chmsg)
 457             fw.write ("\n\nGRUB_MOD_FINI(%s)\n" % modname)
 458             fw.write ("{\n")
 459             for ciphername in ciphernames:
 460                 chmsg = "Unregister cipher %s" % ciphername
 461                 chlognew = "%s\n        %s" % (chlognew, chmsg)
 462                 fw.write ("  grub_cipher_unregister (&%s);\n" % ciphername)
 463             for mdname in mdnames:
 464                 chmsg = "Unregister MD %s" % mdname
 465                 chlognew = "%s\n        %s" % (chlognew, chmsg)
 466                 fw.write ("  grub_md_unregister (&%s);\n" % mdname)
 467             for pkname in pknames:
 468                 chmsg = "Unregister pk %s" % mdname
 469                 chlognew = "%s\n        %s" % (chlognew, chmsg)
 470                 fw.write ("  grub_crypto_pk_%s = 0;\n"
 471                           % (pkname.replace ("_gcry_pubkey_spec_", "")))
 472             fw.write ("}\n")
 473             conf.write ("module = {\n")
 474             conf.write ("  name = %s;\n" % modname)
 475             for src in modfiles.split():
 476                 conf.write ("  common = %s;\n" % src)
 477                 if len (ciphernames) > 0 or len (mdnames) > 0:
 478                     confutil.write ("  common = grub-core/%s;\n" % src)
 479             if modname == "gcry_ecc":
 480                 conf.write ("  common = lib/libgcrypt-grub/mpi/ec.c;\n")
 481                 conf.write ("  cflags = '$(CFLAGS_GCRY) -Wno-redundant-decls -Wno-sign-compare';\n")
 482             elif modname == "gcry_rijndael" or modname == "gcry_md4" or modname == "gcry_md5" or modname == "gcry_rmd160" or modname == "gcry_sha1" or modname == "gcry_sha256" or modname == "gcry_sha512" or modname == "gcry_tiger":
 483                 # Alignment checked by hand
 484                 conf.write ("  cflags = '$(CFLAGS_GCRY) -Wno-cast-align';\n");
 485             else:
 486                 conf.write ("  cflags = '$(CFLAGS_GCRY)';\n");
 487             conf.write ("  cppflags = '$(CPPFLAGS_GCRY)';\n");
 488             conf.write ("};\n\n")
 489             f.close ()
 490             fw.close ()
 491             if nch:
 492                 chlog = "%s%s\n" % (chlog, chlognew)
 493         elif isc and cipher_file != "camellia.c":
 494             print ("WARNING: C file isn't a module: %s" % cipher_file)
 495             f.close ()
 496             fw.close ()
 497             os.remove (outfile)
 498             chlog = "%s\n       * %s: Removed" % (chlog, cipher_file)
 499         continue
 500     chlog = "%s%sSkipped unknown file\n" % (chlog, chlognew)
 501     print ("WARNING: unknown file %s" % cipher_file)
 502
 503 cryptolist.close ()
 504
 505 for src in sorted (os.listdir (os.path.join (indir, "src"))):
 506     if src == "versioninfo.rc.in" or src == "ath.c" or src == "ChangeLog-2011" \
 507             or src == "dumpsexp.c" or src == "fips.c" or src == "gcrypt.h.in" \
 508             or src == "gcryptrnd.c"or src == "getrandom.c" \
 509             or src == "global.c" or src == "hmac256.c" \
 510             or src == "hwfeatures.c" or src == "libgcrypt-config.in" \
 511             or src == "libgcrypt.def" or src == "libgcrypt.m4" \
 512             or src == "libgcrypt.vers" or src == "Makefile.am" \
 513             or src == "Manifest" or src == "misc.c" \
 514             or src == "missing-string.c" or src == "module.c" \
 515             or src == "secmem.c" or src == "sexp.c" \
 516             or src == "stdmem.c" or src == "visibility.c":
 517         continue
 518     outfile = os.path.join (basedir, "src", src)
 519     infile = os.path.join (indir, "src", src)
 520     if os.path.isdir (infile):
 521         continue
 522     fw = codecs.open (outfile, "w", "utf-8")
 523     if src == "gcrypt-module.h":
 524         fw.close ()
 525         continue
 526     if src == "visibility.h":
 527         fw.write ("# include <grub/gcrypt/gcrypt.h>\n")
 528         fw.close ()
 529         continue
 530     f = codecs.open (infile, "r", "utf-8")
 531     if src == "types.h":
 532         fw.write (f.read ().replace ("float f;", "").replace ("double g;", ""))
 533         f.close ()
 534         fw.close ()
 535         continue
 536
 537     fw.write (f.read ())
 538     f.close ()
 539     fw.close ()
 540
 541 for src in sorted (os.listdir (os.path.join (indir, "mpi"))):
 542     if src == "config.links" or src == "ChangeLog-2011" \
 543             or src == "mpi-scan.c" or src == "Manifest" \
 544             or src == "Makefile.am":
 545         continue
 546     infile = os.path.join (indir, "mpi", src)
 547     outfile = os.path.join (basedir, "mpi", src)
 548     if os.path.isdir (infile):
 549         continue
 550     f = codecs.open (infile, "r", "utf-8")
 551     fw = codecs.open (outfile, "w", "utf-8")
 552     fw.write ("/* This file was automatically imported with \n")
 553     fw.write ("   import_gcry.py. Please don't modify it */\n")
 554     hold = False
 555     skip = 0
 556     for line in f:
 557         if skip > 0:
 558             if line[0] == "}":
 559                 skip = skip - 1
 560             continue
 561         if hold:
 562             hold = False
 563             # We're optimising for size and exclude anything needing good
 564             # randomness.
 565             if not re.match ("(_gcry_mpi_get_hw_config|gcry_mpi_randomize)", line) is None:
 566                 skip = 1
 567                 continue
 568             else:
 569                 fw.write (holdline)
 570         m = re.match ("(const char( |)\*|void) *$", line)
 571         if not m is None:
 572             hold = True
 573             holdline = line
 574             continue
 575         m = re.match ("#include \"mod-source-info\.h\"", line)
 576         if not m is None:
 577             continue
 578         fw.write (line)
 579
 580 chlog = "%s     * crypto.lst: New file.\n" % chlog
 581
 582 outfile = os.path.join (cipher_dir_out, "types.h")
 583 fw=codecs.open (outfile, "w", "utf-8")
 584 fw.write ("#include <grub/types.h>\n")
 585 fw.write ("#include <cipher_wrap.h>\n")
 586 chlog = "%s     * types.h: New file.\n" % chlog
 587 fw.close ()
 588
 589 outfile = os.path.join (cipher_dir_out, "memory.h")
 590 fw=codecs.open (outfile, "w", "utf-8")
 591 fw.write ("#include <cipher_wrap.h>\n")
 592 chlog = "%s     * memory.h: New file.\n" % chlog
 593 fw.close ()
 594
 595
 596 outfile = os.path.join (cipher_dir_out, "cipher.h")
 597 fw=codecs.open (outfile, "w", "utf-8")
 598 fw.write ("#include <grub/crypto.h>\n")
 599 fw.write ("#include <cipher_wrap.h>\n")
 600 chlog = "%s     * cipher.h: Likewise.\n" % chlog
 601 fw.close ()
 602
 603 outfile = os.path.join (cipher_dir_out, "g10lib.h")
 604 fw=codecs.open (outfile, "w", "utf-8")
 605 fw.write ("#include <cipher_wrap.h>\n")
 606 chlog = "%s     * g10lib.h: Likewise.\n" % chlog
 607 fw.close ()
 608
 609 infile = os.path.join (cipher_dir_in, "ChangeLog")
 610 outfile = os.path.join (cipher_dir_out, "ChangeLog")
 611
 612 conf.close ();
 613
 614 initfile = codecs.open (os.path.join (cipher_dir_out, "init.c"), "w", "utf-8")
 615 initfile.write ("#include <grub/crypto.h>\n")
 616 for module in modules_sym_md:
 617     initfile.write ("extern void grub_%s_init (void);\n" % module)
 618     initfile.write ("extern void grub_%s_fini (void);\n" % module)
 619 initfile.write ("\n")
 620 initfile.write ("void\n")
 621 initfile.write ("grub_gcry_init_all (void)\n")
 622 initfile.write ("{\n")
 623 for module in modules_sym_md:
 624     initfile.write ("  grub_%s_init ();\n" % module)
 625 initfile.write ("}\n")
 626 initfile.write ("\n")
 627 initfile.write ("void\n")
 628 initfile.write ("grub_gcry_fini_all (void)\n")
 629 initfile.write ("{\n")
 630 for module in modules_sym_md:
 631     initfile.write ("  grub_%s_fini ();\n" % module)
 632 initfile.write ("}\n")
 633 initfile.close ()
 634
 635 confutil.write ("  common = grub-core/lib/libgcrypt-grub/cipher/init.c;\n")
 636 confutil.write ("};\n");
 637 confutil.close ();
 638
 639
 640 f=codecs.open (infile, "r", "utf-8")
 641 fw=codecs.open (outfile, "w", "utf-8")
 642 dt = datetime.date.today ()
 643 fw.write ("%04d-%02d-%02d  Automatic import tool\n" % \
 644           (dt.year,dt.month, dt.day))
 645 fw.write ("\n")
 646 fw.write ("     Imported ciphers to GRUB\n")
 647 fw.write ("\n")
 648 fw.write (chlog)
 649 fw.write ("\n")
 650 for line in f:
 651     fw.write (line)
 652 f.close ()
 653 fw.close ()