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#!/usr/local/bin/perl -w
my $config = "crypto/err/openssl.ec";
my $debug = 0;
my $rebuild = 0;
my $static = 1;
my $recurse = 0;
my $reindex = 0;
my $dowrite = 0;
my $staticloader = "";
my $pack_errcode;
my $load_errcode;
while (@ARGV) {
my $arg = $ARGV[0];
if($arg eq "-conf") {
shift @ARGV;
$config = shift @ARGV;
} elsif($arg eq "-debug") {
$debug = 1;
shift @ARGV;
} elsif($arg eq "-rebuild") {
$rebuild = 1;
shift @ARGV;
} elsif($arg eq "-recurse") {
$recurse = 1;
shift @ARGV;
} elsif($arg eq "-reindex") {
$reindex = 1;
shift @ARGV;
} elsif($arg eq "-nostatic") {
$static = 0;
shift @ARGV;
} elsif($arg eq "-staticloader") {
$staticloader = "static ";
shift @ARGV;
} elsif($arg eq "-write") {
$dowrite = 1;
shift @ARGV;
} else {
last;
}
}
if($recurse) {
@source = ( <crypto/*.c>, <crypto/*/*.c>, <ssl/*.c>,
<fips/*.c>, <fips/*/*.c>);
} else {
@source = @ARGV;
}
# Read in the config file
open(IN, "<$config") || die "Can't open config file $config";
# Parse config file
while(<IN>)
{
if(/^L\s+(\S+)\s+(\S+)\s+(\S+)/) {
$hinc{$1} = $2;
$libinc{$2} = $1;
$cskip{$3} = $1;
if($3 ne "NONE") {
$csrc{$1} = $3;
$fmax{$1} = 99;
$rmax{$1} = 99;
$fassigned{$1} = ":";
$rassigned{$1} = ":";
$fnew{$1} = 0;
$rnew{$1} = 0;
}
} elsif (/^F\s+(\S+)/) {
# Add extra function with $1
} elsif (/^R\s+(\S+)\s+(\S+)/) {
$rextra{$1} = $2;
$rcodes{$1} = $2;
}
}
close IN;
# Scan each header file in turn and make a list of error codes
# and function names
while (($hdr, $lib) = each %libinc)
{
next if($hdr eq "NONE");
print STDERR "Scanning header file $hdr\n" if $debug;
my $line = "", $def= "", $linenr = 0, $gotfile = 0;
if (open(IN, "<$hdr")) {
$gotfile = 1;
while(<IN>) {
$linenr++;
print STDERR "line: $linenr\r" if $debug;
last if(/BEGIN\s+ERROR\s+CODES/);
if ($line ne '') {
$_ = $line . $_;
$line = '';
}
if (/\\$/) {
$line = $_;
next;
}
if(/\/\*/) {
if (not /\*\//) { # multiline comment...
$line = $_; # ... just accumulate
next;
} else {
s/\/\*.*?\*\///gs; # wipe it
}
}
if ($cpp) {
$cpp++ if /^#\s*if/;
$cpp-- if /^#\s*endif/;
next;
}
$cpp = 1 if /^#.*ifdef.*cplusplus/; # skip "C" declaration
next if (/^\#/); # skip preprocessor directives
s/{[^{}]*}//gs; # ignore {} blocks
if (/\{|\/\*/) { # Add a } so editor works...
$line = $_;
} else {
$def .= $_;
}
}
}
print STDERR " \r" if $debug;
$defnr = 0;
# Delete any DECLARE_ macros
$def =~ s/DECLARE_\w+\([\w,\s]+\)//gs;
foreach (split /;/, $def) {
$defnr++;
print STDERR "def: $defnr\r" if $debug;
# The goal is to collect function names from function declarations.
s/^[\n\s]*//g;
s/[\n\s]*$//g;
# Skip over recognized non-function declarations
next if(/typedef\W/ or /DECLARE_STACK_OF/ or /TYPEDEF_.*_OF/);
# Remove STACK_OF(foo)
s/STACK_OF\(\w+\)/void/;
# Reduce argument lists to empty ()
# fold round brackets recursively: (t(*v)(t),t) -> (t{}{},t) -> {}
while(/\(.*\)/s) {
s/\([^\(\)]+\)/\{\}/gs;
s/\(\s*\*\s*(\w+)\s*\{\}\s*\)/$1/gs; #(*f{}) -> f
}
# pretend as we didn't use curly braces: {} -> ()
s/\{\}/\(\)/gs;
if (/(\w+)\s*\(\).*/s) { # first token prior [first] () is
my $name = $1; # a function name!
$name =~ tr/[a-z]/[A-Z]/;
$ftrans{$name} = $1;
} elsif (/[\(\)]/ and not (/=/)) {
print STDERR "Header $hdr: cannot parse: $_;\n";
}
}
print STDERR " \r" if $debug;
next if $reindex;
# Scan function and reason codes and store them: keep a note of the
# maximum code used.
if ($gotfile) {
while(<IN>) {
if(/^\#define\s+(\S+)\s+(\S+)/) {
$name = $1;
$code = $2;
next if $name =~ /^${lib}err/;
unless($name =~ /^${lib}_([RF])_(\w+)$/) {
print STDERR "Invalid error code $name\n";
next;
}
if($1 eq "R") {
$rcodes{$name} = $code;
if ($rassigned{$lib} =~ /:$code:/) {
print STDERR "!! ERROR: $lib reason code $code assigned twice\n";
}
$rassigned{$lib} .= "$code:";
if(!(exists $rextra{$name}) &&
($code > $rmax{$lib}) ) {
$rmax{$lib} = $code;
}
} else {
if ($fassigned{$lib} =~ /:$code:/) {
print STDERR "!! ERROR: $lib function code $code assigned twice\n";
}
$fassigned{$lib} .= "$code:";
if($code > $fmax{$lib}) {
$fmax{$lib} = $code;
}
$fcodes{$name} = $code;
}
}
}
}
if ($debug) {
if (defined($fmax{$lib})) {
print STDERR "Max function code fmax" . "{" . "$lib" . "} = $fmax{$lib}\n";
$fassigned{$lib} =~ m/^:(.*):$/;
@fassigned = sort {$a <=> $b} split(":", $1);
print STDERR " @fassigned\n";
}
if (defined($rmax{$lib})) {
print STDERR "Max reason code rmax" . "{" . "$lib" . "} = $rmax{$lib}\n";
$rassigned{$lib} =~ m/^:(.*):$/;
@rassigned = sort {$a <=> $b} split(":", $1);
print STDERR " @rassigned\n";
}
}
if ($lib eq "SSL") {
if ($rmax{$lib} >= 1000) {
print STDERR "!! ERROR: SSL error codes 1000+ are reserved for alerts.\n";
print STDERR "!! Any new alerts must be added to $config.\n";
print STDERR "\n";
}
}
close IN;
}
# Scan each C source file and look for function and reason codes
# This is done by looking for strings that "look like" function or
# reason codes: basically anything consisting of all upper case and
# numerics which has _F_ or _R_ in it and which has the name of an
# error library at the start. This seems to work fine except for the
# oddly named structure BIO_F_CTX which needs to be ignored.
# If a code doesn't exist in list compiled from headers then mark it
# with the value "X" as a place holder to give it a value later.
# Store all function and reason codes found in %ufcodes and %urcodes
# so all those unreferenced can be printed out.
foreach $file (@source) {
# Don't parse the error source file.
next if exists $cskip{$file};
print STDERR "File loaded: ".$file."\r" if $debug;
open(IN, "<$file") || die "Can't open source file $file\n";
while(<IN>) {
if(/(([A-Z0-9]+)_F_([A-Z0-9_]+))/) {
next unless exists $csrc{$2};
next if($1 eq "BIO_F_BUFFER_CTX");
$ufcodes{$1} = 1;
if(!exists $fcodes{$1}) {
$fcodes{$1} = "X";
$fnew{$2}++;
}
$notrans{$1} = 1 unless exists $ftrans{$3};
}
if(/(([A-Z0-9]+)_R_[A-Z0-9_]+)/) {
next unless exists $csrc{$2};
$urcodes{$1} = 1;
if(!exists $rcodes{$1}) {
$rcodes{$1} = "X";
$rnew{$2}++;
}
}
}
close IN;
}
print STDERR " \n" if $debug;
# Now process each library in turn.
foreach $lib (keys %csrc)
{
my $hfile = $hinc{$lib};
my $cfile = $csrc{$lib};
if(!$fnew{$lib} && !$rnew{$lib}) {
print STDERR "$lib:\t\tNo new error codes\n";
next unless $rebuild;
} else {
print STDERR "$lib:\t\t$fnew{$lib} New Functions,";
print STDERR " $rnew{$lib} New Reasons.\n";
next unless $dowrite;
}
# If we get here then we have some new error codes so we
# need to rebuild the header file and C file.
# Make a sorted list of error and reason codes for later use.
my @function = sort grep(/^${lib}_/,keys %fcodes);
my @reasons = sort grep(/^${lib}_/,keys %rcodes);
# Rewrite the header file
if (open(IN, "<$hfile")) {
# Copy across the old file
while(<IN>) {
push @out, $_;
last if (/BEGIN ERROR CODES/);
}
close IN;
} else {
push @out,
"/* ====================================================================\n",
" * Copyright (c) 2001-2010 The OpenSSL Project. All rights reserved.\n",
" *\n",
" * Redistribution and use in source and binary forms, with or without\n",
" * modification, are permitted provided that the following conditions\n",
" * are met:\n",
" *\n",
" * 1. Redistributions of source code must retain the above copyright\n",
" * notice, this list of conditions and the following disclaimer. \n",
" *\n",
" * 2. Redistributions in binary form must reproduce the above copyright\n",
" * notice, this list of conditions and the following disclaimer in\n",
" * the documentation and/or other materials provided with the\n",
" * distribution.\n",
" *\n",
" * 3. All advertising materials mentioning features or use of this\n",
" * software must display the following acknowledgment:\n",
" * \"This product includes software developed by the OpenSSL Project\n",
" * for use in the OpenSSL Toolkit. (http://www.openssl.org/)\"\n",
" *\n",
" * 4. The names \"OpenSSL Toolkit\" and \"OpenSSL Project\" must not be used to\n",
" * endorse or promote products derived from this software without\n",
" * prior written permission. For written permission, please contact\n",
" * openssl-core\@openssl.org.\n",
" *\n",
" * 5. Products derived from this software may not be called \"OpenSSL\"\n",
" * nor may \"OpenSSL\" appear in their names without prior written\n",
" * permission of the OpenSSL Project.\n",
" *\n",
" * 6. Redistributions of any form whatsoever must retain the following\n",
" * acknowledgment:\n",
" * \"This product includes software developed by the OpenSSL Project\n",
" * for use in the OpenSSL Toolkit (http://www.openssl.org/)\"\n",
" *\n",
" * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY\n",
" * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n",
" * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\n",
" * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR\n",
" * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n",
" * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n",
" * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n",
" * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\n",
" * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,\n",
" * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n",
" * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED\n",
" * OF THE POSSIBILITY OF SUCH DAMAGE.\n",
" * ====================================================================\n",
" *\n",
" * This product includes cryptographic software written by Eric Young\n",
" * (eay\@cryptsoft.com). This product includes software written by Tim\n",
" * Hudson (tjh\@cryptsoft.com).\n",
" *\n",
" */\n",
"\n",
"#ifndef HEADER_${lib}_ERR_H\n",
"#define HEADER_${lib}_ERR_H\n",
"\n",
"/* BEGIN ERROR CODES */\n";
}
open (OUT, ">$hfile") || die "Can't Open File $hfile for writing\n";
print OUT @out;
undef @out;
print OUT <<"EOF";
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
*/
EOF
if($static) {
print OUT <<"EOF";
${staticloader}void ERR_load_${lib}_strings(void);
EOF
} else {
print OUT <<"EOF";
${staticloader}void ERR_load_${lib}_strings(void);
${staticloader}void ERR_unload_${lib}_strings(void);
${staticloader}void ERR_${lib}_error(int function, int reason, char *file, int line);
#define ${lib}err(f,r) ERR_${lib}_error((f),(r),__FILE__,__LINE__)
EOF
}
print OUT <<"EOF";
/* Error codes for the $lib functions. */
/* Function codes. */
EOF
foreach $i (@function) {
$z=6-int(length($i)/8);
if($fcodes{$i} eq "X") {
$fassigned{$lib} =~ m/^:([^:]*):/;
$findcode = $1;
if (!defined($findcode)) {
$findcode = $fmax{$lib};
}
while ($fassigned{$lib} =~ m/:$findcode:/) {
$findcode++;
}
$fcodes{$i} = $findcode;
$fassigned{$lib} .= "$findcode:";
print STDERR "New Function code $i\n" if $debug;
}
printf OUT "#define $i%s $fcodes{$i}\n","\t" x $z;
}
print OUT "\n/* Reason codes. */\n";
foreach $i (@reasons) {
$z=6-int(length($i)/8);
if($rcodes{$i} eq "X") {
$rassigned{$lib} =~ m/^:([^:]*):/;
$findcode = $1;
if (!defined($findcode)) {
$findcode = $rmax{$lib};
}
while ($rassigned{$lib} =~ m/:$findcode:/) {
$findcode++;
}
$rcodes{$i} = $findcode;
$rassigned{$lib} .= "$findcode:";
print STDERR "New Reason code $i\n" if $debug;
}
printf OUT "#define $i%s $rcodes{$i}\n","\t" x $z;
}
print OUT <<"EOF";
#ifdef __cplusplus
}
#endif
#endif
EOF
close OUT;
# Rewrite the C source file containing the error details.
# First, read any existing reason string definitions:
my %err_reason_strings;
if (open(IN,"<$cfile")) {
while (<IN>) {
if (/\b(${lib}_R_\w*)\b.*\"(.*)\"/) {
$err_reason_strings{$1} = $2;
}
}
close(IN);
}
my $hincf;
if($static) {
$hfile =~ /([^\/]+)$/;
$hincf = "<openssl/$1>";
} else {
$hincf = "\"$hfile\"";
}
# If static we know the error code at compile time so use it
# in error definitions.
if ($static)
{
$pack_errcode = "ERR_LIB_${lib}";
$load_errcode = "0";
}
else
{
$pack_errcode = "0";
$load_errcode = "ERR_LIB_${lib}";
}
open (OUT,">$cfile") || die "Can't open $cfile for writing";
print OUT <<"EOF";
/* $cfile */
/* ====================================================================
* Copyright (c) 1999-2010 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core\@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay\@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh\@cryptsoft.com).
*
*/
/* NOTE: this file was auto generated by the mkerr.pl script: any changes
* made to it will be overwritten when the script next updates this file,
* only reason strings will be preserved.
*/
#include <stdio.h>
#include <openssl/err.h>
#include $hincf
/* BEGIN ERROR CODES */
#ifndef OPENSSL_NO_ERR
#define ERR_FUNC(func) ERR_PACK($pack_errcode,func,0)
#define ERR_REASON(reason) ERR_PACK($pack_errcode,0,reason)
static ERR_STRING_DATA ${lib}_str_functs[]=
{
EOF
# Add each function code: if a function name is found then use it.
foreach $i (@function) {
my $fn;
$i =~ /^${lib}_F_(\S+)$/;
$fn = $1;
if(exists $ftrans{$fn}) {
$fn = $ftrans{$fn};
}
# print OUT "{ERR_PACK($pack_errcode,$i,0),\t\"$fn\"},\n";
print OUT "{ERR_FUNC($i),\t\"$fn\"},\n";
}
print OUT <<"EOF";
{0,NULL}
};
static ERR_STRING_DATA ${lib}_str_reasons[]=
{
EOF
# Add each reason code.
foreach $i (@reasons) {
my $rn;
my $rstr = "ERR_REASON($i)";
my $nspc = 0;
if (exists $err_reason_strings{$i}) {
$rn = $err_reason_strings{$i};
} else {
$i =~ /^${lib}_R_(\S+)$/;
$rn = $1;
$rn =~ tr/_[A-Z]/ [a-z]/;
}
$nspc = 40 - length($rstr) unless length($rstr) > 40;
$nspc = " " x $nspc;
print OUT "{${rstr}${nspc},\"$rn\"},\n";
}
if($static) {
print OUT <<"EOF";
{0,NULL}
};
#endif
${staticloader}void ERR_load_${lib}_strings(void)
{
#ifndef OPENSSL_NO_ERR
if (ERR_func_error_string(${lib}_str_functs[0].error) == NULL)
{
ERR_load_strings($load_errcode,${lib}_str_functs);
ERR_load_strings($load_errcode,${lib}_str_reasons);
}
#endif
}
EOF
} else {
print OUT <<"EOF";
{0,NULL}
};
#endif
#ifdef ${lib}_LIB_NAME
static ERR_STRING_DATA ${lib}_lib_name[]=
{
{0 ,${lib}_LIB_NAME},
{0,NULL}
};
#endif
static int ${lib}_lib_error_code=0;
static int ${lib}_error_init=1;
${staticloader}void ERR_load_${lib}_strings(void)
{
if (${lib}_lib_error_code == 0)
${lib}_lib_error_code=ERR_get_next_error_library();
if (${lib}_error_init)
{
${lib}_error_init=0;
#ifndef OPENSSL_NO_ERR
ERR_load_strings(${lib}_lib_error_code,${lib}_str_functs);
ERR_load_strings(${lib}_lib_error_code,${lib}_str_reasons);
#endif
#ifdef ${lib}_LIB_NAME
${lib}_lib_name->error = ERR_PACK(${lib}_lib_error_code,0,0);
ERR_load_strings(0,${lib}_lib_name);
#endif
}
}
${staticloader}void ERR_unload_${lib}_strings(void)
{
if (${lib}_error_init == 0)
{
#ifndef OPENSSL_NO_ERR
ERR_unload_strings(${lib}_lib_error_code,${lib}_str_functs);
ERR_unload_strings(${lib}_lib_error_code,${lib}_str_reasons);
#endif
#ifdef ${lib}_LIB_NAME
ERR_unload_strings(0,${lib}_lib_name);
#endif
${lib}_error_init=1;
}
}
${staticloader}void ERR_${lib}_error(int function, int reason, char *file, int line)
{
if (${lib}_lib_error_code == 0)
${lib}_lib_error_code=ERR_get_next_error_library();
ERR_PUT_error(${lib}_lib_error_code,function,reason,file,line);
}
EOF
}
close OUT;
undef %err_reason_strings;
}
if($debug && defined(%notrans)) {
print STDERR "The following function codes were not translated:\n";
foreach(sort keys %notrans)
{
print STDERR "$_\n";
}
}
# Make a list of unreferenced function and reason codes
foreach (keys %fcodes) {
push (@funref, $_) unless exists $ufcodes{$_};
}
foreach (keys %rcodes) {
push (@runref, $_) unless exists $urcodes{$_};
}
if($debug && defined(@funref) ) {
print STDERR "The following function codes were not referenced:\n";
foreach(sort @funref)
{
print STDERR "$_\n";
}
}
if($debug && defined(@runref) ) {
print STDERR "The following reason codes were not referenced:\n";
foreach(sort @runref)
{
print STDERR "$_\n";
}
}