#!/usr/bin/perl

# Copyright (C) 2011-2012 Free Software Foundation, Inc.

# Copyright (C) 2013 Nikos Mavrogiannopoulos

#

# This file is part of GnuTLS.

#

# This file 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.

#

# This file 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 this file; if not, write to the Free Software Foundation,

# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

# This list contains exported values, but prototype isn't easy

# to obtain (e.g., it's a pointer to a function or not a function).

my %known_false_positives = (

	'gnutls_srp_1024_group_generator' => 1,

	'gnutls_srp_1024_group_prime' => 1,

	'gnutls_srp_1536_group_generator' => 1,

	'gnutls_srp_1536_group_prime' => 1,

	'gnutls_srp_2048_group_generator' => 1,

	'gnutls_srp_2048_group_prime' => 1,

	'gnutls_srp_3072_group_generator' => 1,

	'gnutls_srp_3072_group_prime' => 1,

	'gnutls_srp_4096_group_generator' => 1,

	'gnutls_srp_4096_group_prime' => 1,

	'gnutls_srp_8192_group_generator' => 1,

	'gnutls_srp_8192_group_prime' => 1,

	'gnutls_ffdhe_2048_group_generator' => 1,

	'gnutls_ffdhe_2048_group_prime' => 1,

	'gnutls_ffdhe_2048_group_q' => 1,

	'gnutls_ffdhe_2048_key_bits' => 1,

	'gnutls_ffdhe_3072_group_generator' => 1,

	'gnutls_ffdhe_3072_group_prime' => 1,

	'gnutls_ffdhe_3072_group_q' => 1,

	'gnutls_ffdhe_3072_key_bits' => 1,

	'gnutls_ffdhe_4096_group_generator' => 1,

	'gnutls_ffdhe_4096_group_prime' => 1,

	'gnutls_ffdhe_4096_group_q' => 1,

	'gnutls_ffdhe_4096_key_bits' => 1,

	'gnutls_ffdhe_6144_group_generator' => 1,

	'gnutls_ffdhe_6144_group_prime' => 1,

	'gnutls_ffdhe_6144_group_q' => 1,

	'gnutls_ffdhe_6144_key_bits' => 1,

	'gnutls_ffdhe_8192_group_generator' => 1,

	'gnutls_ffdhe_8192_group_prime' => 1,

	'gnutls_ffdhe_8192_group_q' => 1,

	'gnutls_ffdhe_8192_key_bits' => 1,

	'gnutls_transport_set_int' => 1,

	'gnutls_strdup' => 1,

	'gnutls_realloc' => 1,

	'gnutls_free' => 1,

	'gnutls_malloc' => 1,

	'gnutls_calloc' => 1,

	'gnutls_secure_malloc' => 1,

	'gnutls_realloc_fast' => 1,

	'gnutls_secure_calloc' => 1,

	'gnutls_pubkey_get_pk_dsa_raw' => 1,

	'gnutls_pubkey_get_pk_ecc_raw' => 1,

	'gnutls_pubkey_get_pk_ecc_x962' => 1,

	'gnutls_pubkey_get_pk_rsa_raw' => 1,

);

# API functions that although documented as such, are simply

# macros that expand to another function.

my %known_false_negatives = (

	'gnutls_pkcs11_copy_x509_crt' => 1,

	'gnutls_pkcs11_copy_x509_privkey' => 1,

	'gnutls_pkcs11_privkey_generate' => 1,

	'gnutls_pkcs11_privkey_generate2' => 1,

	'gnutls_privkey_import_pkcs11_url' => 1,

	'gnutls_transport_set_int' => 1,

);

sub function_print {

  my $func_name;

  my $prototype = shift @_;

  my $check;

#print STDERR $prototype;

  if ($prototype =~ m/^\s*([A-Za-z0-9_]+)\;$/) {

#  if ($prototype =~ m/^(.*)/) {

    $func_name = $1;

  } else { 

    $func_name = '';

  }

  $check = $known_false_positives{$func_name};

  return if (defined $check && $check == 1);

  if ($func_name ne '' && ($func_name =~ m/^gnutls_.*/ || $func_name =~ m/^dane_.*/)) {

    print $func_name . "\n";

  }

  return;

}

my $line;

my $lineno = 0;

while ($line=<STDIN>) {

  next if ($line eq '');

# print STDERR "line($lineno): $line";

  #skip comments

#  if ($line =~ m/^\s*/) {

     function_print($line);

#  }

   $lineno++;

}

for (keys %known_false_negatives) {

	print $_ . "\n";

}