mirror of
https://github.com/openssl/openssl.git
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1235 lines
42 KiB
Perl
Executable File
1235 lines
42 KiB
Perl
Executable File
#! /usr/bin/env perl
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# Copyright 2002-2023 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the Apache License 2.0 (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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require 5.10.0;
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use warnings;
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use strict;
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use Carp qw(:DEFAULT cluck);
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use Pod::Checker;
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use File::Find;
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use File::Basename;
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use File::Spec::Functions;
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use Getopt::Std;
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use FindBin;
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use lib "$FindBin::Bin/perl";
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use OpenSSL::Util::Pod;
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use lib '.';
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use configdata;
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# Set to 1 for debug output
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my $debug = 0;
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# Options.
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our($opt_d);
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our($opt_e);
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our($opt_s);
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our($opt_o);
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our($opt_h);
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our($opt_l);
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our($opt_m);
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our($opt_n);
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our($opt_p);
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our($opt_u);
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our($opt_v);
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our($opt_c);
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# Print usage message and exit.
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sub help {
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print <<EOF;
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Find small errors (nits) in documentation. Options:
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-c List undocumented commands, undocumented options and unimplemented options.
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-d Detailed list of undocumented (implies -u)
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-e Detailed list of new undocumented (implies -v)
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-h Print this help message
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-l Print bogus links
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-m Name(s) of manuals to focus on. Default: man1,man3,man5,man7
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-n Print nits in POD pages
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-o Causes -e/-v to count symbols added since 1.1.1 as new (implies -v)
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-u Count undocumented functions
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-v Count new undocumented functions
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EOF
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exit;
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}
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getopts('cdehlm:nouv');
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help() if $opt_h;
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$opt_u = 1 if $opt_d;
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$opt_v = 1 if $opt_o || $opt_e;
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die "Cannot use both -u and -v"
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if $opt_u && $opt_v;
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die "Cannot use both -d and -e"
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if $opt_d && $opt_e;
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# We only need to check c, l, n, u and v.
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# Options d, e, o imply one of the above.
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die "Need one of -[cdehlnouv] flags.\n"
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unless $opt_c or $opt_l or $opt_n or $opt_u or $opt_v;
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my $temp = '/tmp/docnits.txt';
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my $OUT;
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my $status = 0;
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$opt_m = "man1,man3,man5,man7" unless $opt_m;
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die "Argument of -m option may contain only man1, man3, man5, and/or man7"
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unless $opt_m =~ /^(man[1357][, ]?)*$/;
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my @sections = ( split /[, ]/, $opt_m );
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my %mandatory_sections = (
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'*' => [ 'NAME', 'COPYRIGHT' ],
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1 => [ 'DESCRIPTION', 'SYNOPSIS', 'OPTIONS' ],
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3 => [ 'DESCRIPTION', 'SYNOPSIS', 'RETURN VALUES' ],
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5 => [ 'DESCRIPTION' ],
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7 => [ ]
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);
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# Symbols that we ignored.
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# They are reserved macros that we currently don't document
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my $ignored = qr/(?| ^i2d_
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| ^d2i_
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| ^DEPRECATEDIN
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| ^OSSL_DEPRECATED
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| \Q_fnsig(3)\E$
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| ^IMPLEMENT_
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| ^_?DECLARE_
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| ^sk_
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| ^SKM_DEFINE_STACK_OF_INTERNAL
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| ^lh_
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| ^DEFINE_LHASH_OF_(INTERNAL|DEPRECATED)
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)/x;
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# A common regexp for C symbol names
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my $C_symbol = qr/\b[[:alpha:]][_[:alnum:]]*\b/;
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# Collect all POD files, both internal and public, and regardless of location
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# We collect them in a hash table with each file being a key, so we can attach
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# tags to them. For example, internal docs will have the word "internal"
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# attached to them.
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my %files = ();
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# We collect files names on the fly, on known tag basis
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my %collected_tags = ();
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# We cache results based on tags
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my %collected_results = ();
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# files OPTIONS
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#
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# Example:
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#
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# files(TAGS => 'manual');
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# files(TAGS => [ 'manual', 'man1' ]);
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#
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# This function returns an array of files corresponding to a set of tags
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# given with the options "TAGS". The value of this option can be a single
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# word, or an array of several words, which work as inclusive or exclusive
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# selectors. Inclusive selectors are used to add one more set of files to
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# the returned array, while exclusive selectors limit the set of files added
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# to the array. The recognised tag values are:
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#
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# 'public_manual' - inclusive selector, adds public manuals to the
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# returned array of files.
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# 'internal_manual' - inclusive selector, adds internal manuals to the
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# returned array of files.
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# 'manual' - inclusive selector, adds any manual to the returned
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# array of files. This is really a shorthand for
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# 'public_manual' and 'internal_manual' combined.
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# 'public_header' - inclusive selector, adds public headers to the
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# returned array of files.
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# 'header' - inclusive selector, adds any header file to the
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# returned array of files. Since we currently only
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# care about public headers, this is exactly
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# equivalent to 'public_header', but is present for
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# consistency.
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#
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# 'man1', 'man3', 'man5', 'man7'
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# - exclusive selectors, only applicable together with
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# any of the manual selectors. If any of these are
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# present, only the manuals from the given sections
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# will be included. If none of these are present,
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# the manuals from all sections will be returned.
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#
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# All returned manual files come from configdata.pm.
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# All returned header files come from looking inside
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# "$config{sourcedir}/include/openssl"
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#
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sub files {
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my %opts = ( @_ ); # Make a copy of the arguments
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$opts{TAGS} = [ $opts{TAGS} ] if ref($opts{TAGS}) eq '';
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croak "No tags given, or not an array"
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unless exists $opts{TAGS} && ref($opts{TAGS}) eq 'ARRAY';
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my %tags = map { $_ => 1 } @{$opts{TAGS}};
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$tags{public_manual} = 1
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if $tags{manual} && ($tags{public} // !$tags{internal});
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$tags{internal_manual} = 1
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if $tags{manual} && ($tags{internal} // !$tags{public});
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$tags{public_header} = 1
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if $tags{header} && ($tags{public} // !$tags{internal});
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delete $tags{manual};
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delete $tags{header};
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delete $tags{public};
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delete $tags{internal};
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my $tags_as_key = join(':', sort keys %tags);
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cluck "DEBUG[files]: This is how we got here!" if $debug;
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print STDERR "DEBUG[files]: tags: $tags_as_key\n" if $debug;
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my %tags_to_collect = ( map { $_ => 1 }
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grep { !exists $collected_tags{$_} }
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keys %tags );
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if ($tags_to_collect{public_manual}) {
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print STDERR "DEBUG[files]: collecting public manuals\n"
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if $debug;
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# The structure in configdata.pm is that $unified_info{mandocs}
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# contains lists of man files, and in turn, $unified_info{depends}
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# contains hash tables showing which POD file each of those man
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# files depend on. We use that information to find the POD files,
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# and to attach the man section they belong to as tags
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foreach my $mansect ( @sections ) {
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foreach ( map { @{$unified_info{depends}->{$_}} }
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@{$unified_info{mandocs}->{$mansect}} ) {
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$files{$_} = { $mansect => 1, public_manual => 1 };
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}
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}
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$collected_tags{public_manual} = 1;
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}
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if ($tags_to_collect{internal_manual}) {
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print STDERR "DEBUG[files]: collecting internal manuals\n"
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if $debug;
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# We don't have the internal docs in configdata.pm. However, they
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# are all in the source tree, so they're easy to find.
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foreach my $mansect ( @sections ) {
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foreach ( glob(catfile($config{sourcedir},
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'doc', 'internal', $mansect, '*.pod')) ) {
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$files{$_} = { $mansect => 1, internal_manual => 1 };
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}
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}
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$collected_tags{internal_manual} = 1;
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}
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if ($tags_to_collect{public_header}) {
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print STDERR "DEBUG[files]: collecting public headers\n"
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if $debug;
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foreach ( glob(catfile($config{sourcedir},
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'include', 'openssl', '*.h')) ) {
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$files{$_} = { public_header => 1 };
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}
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}
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my @result = @{$collected_results{$tags_as_key} // []};
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if (!@result) {
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# Produce a result based on caller tags
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foreach my $type ( ( 'public_manual', 'internal_manual' ) ) {
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next unless $tags{$type};
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# If caller asked for specific sections, we care about sections.
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# Otherwise, we give back all of them.
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my @selected_sections =
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grep { $tags{$_} } @sections;
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@selected_sections = @sections unless @selected_sections;
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foreach my $section ( ( @selected_sections ) ) {
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push @result,
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( sort { basename($a) cmp basename($b) }
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grep { $files{$_}->{$type} && $files{$_}->{$section} }
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keys %files );
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}
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}
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if ($tags{public_header}) {
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push @result,
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( sort { basename($a) cmp basename($b) }
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grep { $files{$_}->{public_header} }
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keys %files );
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}
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if ($debug) {
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print STDERR "DEBUG[files]: result:\n";
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print STDERR "DEBUG[files]: $_\n" foreach @result;
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}
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$collected_results{$tags_as_key} = [ @result ];
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}
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return @result;
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}
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# Print error message, set $status.
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sub err {
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print join(" ", @_), "\n";
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$status = 1
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}
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# Cross-check functions in the NAME and SYNOPSIS section.
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sub name_synopsis {
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my $id = shift;
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my $filename = shift;
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my $contents = shift;
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# Get NAME section and all words in it.
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return unless $contents =~ /=head1 NAME(.*)=head1 SYNOPSIS/ms;
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my $tmp = $1;
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$tmp =~ tr/\n/ /;
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err($id, "Trailing comma before - in NAME")
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if $tmp =~ /, *-/;
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$tmp =~ s/ -.*//g;
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err($id, "POD markup among the names in NAME")
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if $tmp =~ /[<>]/;
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$tmp =~ s/ */ /g;
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err($id, "Missing comma in NAME")
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if $tmp =~ /[^,] /;
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my $dirname = dirname($filename);
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my $section = basename($dirname);
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my $simplename = basename($filename, ".pod");
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my $foundfilename = 0;
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my %foundfilenames = ();
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my %names;
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foreach my $n ( split ',', $tmp ) {
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$n =~ s/^\s+//;
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$n =~ s/\s+$//;
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err($id, "The name '$n' contains white-space")
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if $n =~ /\s/;
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$names{$n} = 1;
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$foundfilename++ if $n eq $simplename;
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$foundfilenames{$n} = 1
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if ( ( grep { basename($_) eq "$n.pod" }
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files(TAGS => [ 'manual', $section ]) )
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&& $n ne $simplename );
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}
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err($id, "The following exist as other .pod files:",
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sort keys %foundfilenames)
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if %foundfilenames;
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err($id, "$simplename (filename) missing from NAME section")
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unless $foundfilename;
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# Find all functions in SYNOPSIS
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return unless $contents =~ /=head1 SYNOPSIS(.*)=head1 DESCRIPTION/ms;
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my $syn = $1;
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my $ignore_until = undef; # If defined, this is a regexp
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# Remove all non-code lines
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$syn =~ s/^(?:\s*?|\S.*?)$//msg;
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# Remove all comments
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$syn =~ s/\/\*.*?\*\///msg;
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while ( $syn ) {
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# "env" lines end at a newline.
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# Preprocessor lines start with a # and end at a newline.
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# Other lines end with a semicolon, and may cover more than
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# one physical line.
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if ( $syn !~ /^ \s*(env .*?|#.*?|.*?;)\s*$/ms ) {
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err($id, "Can't parse rest of synopsis:\n$syn\n(declarations not ending with a semicolon (;)?)");
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last;
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}
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my $line = $1;
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$syn = $';
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print STDERR "DEBUG[name_synopsis] \$line = '$line'\n" if $debug;
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# Special code to skip over documented structures
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if ( defined $ignore_until) {
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next if $line !~ /$ignore_until/;
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$ignore_until = undef;
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next;
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}
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if ( $line =~ /^\s*(?:typedef\s+)?struct(?:\s+\S+)\s*\{/ ) {
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$ignore_until = qr/\}.*?;/;
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next;
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}
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my $sym;
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my $is_prototype = 1;
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$line =~ s/LHASH_OF\([^)]+\)/int/g;
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$line =~ s/STACK_OF\([^)]+\)/int/g;
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$line =~ s/SPARSE_ARRAY_OF\([^)]+\)/int/g;
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$line =~ s/__declspec\([^)]+\)//;
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## We don't prohibit that space, to allow typedefs looking like
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## this:
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##
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## typedef int (fantastically_long_name_breaks_80char_limit)
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## (fantastically_long_name_breaks_80char_limit *something);
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##
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#if ( $line =~ /typedef.*\(\*?\S+\)\s+\(/ ) {
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# # a callback function with whitespace before the argument list:
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# # typedef ... (*NAME) (...
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# # typedef ... (NAME) (...
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# err($id, "Function typedef has space before arg list: $line");
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#}
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if ( $line =~ /env (\S*)=/ ) {
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# environment variable env NAME=...
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$sym = $1;
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} elsif ( $line =~ /typedef.*\(\*?($C_symbol)\)\s*\(/ ) {
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# a callback function pointer: typedef ... (*NAME)(...
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# a callback function signature: typedef ... (NAME)(...
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$sym = $1;
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} elsif ( $line =~ /typedef.*($C_symbol)\s*\(/ ) {
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# a callback function signature: typedef ... NAME(...
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$sym = $1;
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} elsif ( $line =~ /typedef.*($C_symbol);/ ) {
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# a simple typedef: typedef ... NAME;
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$is_prototype = 0;
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$sym = $1;
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} elsif ( $line =~ /enum ($C_symbol) \{/ ) {
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# an enumeration: enum ... {
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$sym = $1;
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} elsif ( $line =~ /#\s*(?:define|undef) ($C_symbol)/ ) {
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$is_prototype = 0;
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$sym = $1;
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} elsif ( $line =~ /^[^\(]*?\(\*($C_symbol)\s*\(/ ) {
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# a function returning a function pointer: TYPE (*NAME(args))(args)
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$sym = $1;
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} elsif ( $line =~ /^[^\(]*?($C_symbol)\s*\(/ ) {
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# a simple function declaration
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$sym = $1;
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}
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else {
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next;
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}
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print STDERR "DEBUG[name_synopsis] \$sym = '$sym'\n" if $debug;
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err($id, "$sym missing from NAME section")
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unless defined $names{$sym};
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$names{$sym} = 2;
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# Do some sanity checks on the prototype.
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err($id, "Prototype missing spaces around commas: $line")
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if $is_prototype && $line =~ /[a-z0-9],[^\s]/;
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}
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foreach my $n ( keys %names ) {
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next if $names{$n} == 2;
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err($id, "$n missing from SYNOPSIS")
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}
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}
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# Check if SECTION ($3) is located before BEFORE ($4)
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sub check_section_location {
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my $id = shift;
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my $contents = shift;
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my $section = shift;
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my $before = shift;
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return unless $contents =~ /=head1 $section/
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and $contents =~ /=head1 $before/;
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err($id, "$section should appear before $before section")
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if $contents =~ /=head1 $before.*=head1 $section/ms;
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}
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# Check if a =head1 is duplicated, or a =headX is duplicated within a
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# =head1. Treats =head2 =head3 as equivalent -- it doesn't reset the head3
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# sets if it finds a =head2 -- but that is good enough for now. Also check
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# for proper capitalization, trailing periods, etc.
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sub check_head_style {
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my $id = shift;
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my $contents = shift;
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my %head1;
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my %subheads;
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foreach my $line ( split /\n+/, $contents ) {
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next unless $line =~ /^=head/;
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if ( $line =~ /head1/ ) {
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err($id, "Duplicate section $line")
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if defined $head1{$line};
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$head1{$line} = 1;
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%subheads = ();
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} else {
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err($id, "Duplicate subsection $line")
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if defined $subheads{$line};
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$subheads{$line} = 1;
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}
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err($id, "Period in =head")
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if $line =~ /\.[^\w]/ or $line =~ /\.$/;
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err($id, "not all uppercase in =head1")
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if $line =~ /head1.*[a-z]/;
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err($id, "All uppercase in subhead")
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if $line =~ /head[234][ A-Z0-9]+$/;
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}
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}
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# Because we have options and symbols with extra markup, we need
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# to take that into account, so we need a regexp that extracts
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# markup chunks, including recursive markup.
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# please read up on /(?R)/ in perlre(1)
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# (note: order is important, (?R) needs to come before .)
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# (note: non-greedy is important, or something like 'B<foo> and B<bar>'
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# will be captured as one item)
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my $markup_re =
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qr/( # Capture group
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[BIL]< # The start of what we recurse on
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(?:(?-1)|.)*? # recurse the whole regexp (referring to
|
|
# the last opened capture group, i.e. the
|
|
# start of this regexp), or pick next
|
|
# character. Do NOT be greedy!
|
|
> # The end of what we recurse on
|
|
)/x; # (the x allows this sort of split up regexp)
|
|
|
|
# Options must start with a dash, followed by a letter, possibly
|
|
# followed by letters, digits, dashes and underscores, and the last
|
|
# character must be a letter or a digit.
|
|
# We do also accept the single -? or -n, where n is a digit
|
|
my $option_re =
|
|
qr/(?:
|
|
\? # Single question mark
|
|
|
|
|
\d # Single digit
|
|
|
|
|
- # Single dash (--)
|
|
|
|
|
[[:alpha:]](?:[-_[:alnum:]]*?[[:alnum:]])?
|
|
)/x;
|
|
|
|
# Helper function to check if a given $thing is properly marked up
|
|
# option. It returns one of these values:
|
|
# undef if it's not an option
|
|
# "" if it's a malformed option
|
|
# $unwrapped the option with the outermost B<> wrapping removed.
|
|
sub normalise_option {
|
|
my $id = shift;
|
|
my $filename = shift;
|
|
my $thing = shift;
|
|
|
|
my $unwrapped = $thing;
|
|
my $unmarked = $thing;
|
|
|
|
# $unwrapped is the option with the outer B<> markup removed
|
|
$unwrapped =~ s/^B<//;
|
|
$unwrapped =~ s/>$//;
|
|
# $unmarked is the option with *all* markup removed
|
|
$unmarked =~ s/[BIL]<|>//msg;
|
|
|
|
|
|
# If we found an option, check it, collect it
|
|
if ( $unwrapped =~ /^\s*-/ ) {
|
|
return $unwrapped # return option with outer B<> removed
|
|
if $unmarked =~ /^-${option_re}$/;
|
|
return ""; # Malformed option
|
|
}
|
|
return undef; # Something else
|
|
}
|
|
|
|
# Checks of command option (man1) formatting. The man1 checks are
|
|
# restricted to the SYNOPSIS and OPTIONS sections, the rest is too
|
|
# free form, we simply cannot be too strict there.
|
|
|
|
sub option_check {
|
|
my $id = shift;
|
|
my $filename = shift;
|
|
my $contents = shift;
|
|
|
|
my $synopsis = ($contents =~ /=head1\s+SYNOPSIS(.*?)=head1/s, $1);
|
|
|
|
# Some pages have more than one OPTIONS section, let's make sure
|
|
# to get them all
|
|
my $options = '';
|
|
while ( $contents =~ /=head1\s+[A-Z ]*?OPTIONS$(.*?)(?==head1)/msg ) {
|
|
$options .= $1;
|
|
}
|
|
|
|
# Look for options with no or incorrect markup
|
|
while ( $synopsis =~
|
|
/(?<![-<[:alnum:]])-(?:$markup_re|.)*(?![->[:alnum:]])/msg ) {
|
|
err($id, "Malformed option [1] in SYNOPSIS: $&");
|
|
}
|
|
|
|
my @synopsis;
|
|
while ( $synopsis =~ /$markup_re/msg ) {
|
|
my $found = $&;
|
|
push @synopsis, $found if $found =~ /^B<-/;
|
|
print STDERR "$id:DEBUG[option_check] SYNOPSIS: found $found\n"
|
|
if $debug;
|
|
my $option_uw = normalise_option($id, $filename, $found);
|
|
err($id, "Malformed option [2] in SYNOPSIS: $found")
|
|
if defined $option_uw && $option_uw eq '';
|
|
}
|
|
|
|
# In OPTIONS, we look for =item paragraphs.
|
|
# (?=^\s*$) detects an empty line.
|
|
my @options;
|
|
while ( $options =~ /=item\s+(.*?)(?=^\s*$)/msg ) {
|
|
my $item = $&;
|
|
|
|
while ( $item =~ /(\[\s*)?($markup_re)/msg ) {
|
|
my $found = $2;
|
|
print STDERR "$id:DEBUG[option_check] OPTIONS: found $&\n"
|
|
if $debug;
|
|
err($id, "Unexpected bracket in OPTIONS =item: $item")
|
|
if ($1 // '') ne '' && $found =~ /^B<\s*-/;
|
|
|
|
my $option_uw = normalise_option($id, $filename, $found);
|
|
err($id, "Malformed option in OPTIONS: $found")
|
|
if defined $option_uw && $option_uw eq '';
|
|
if ($found =~ /^B<-/) {
|
|
push @options, $found;
|
|
err($id, "OPTIONS entry $found missing from SYNOPSIS")
|
|
unless (grep /^\Q$found\E$/, @synopsis)
|
|
|| $id =~ /(openssl|-options)\.pod:1:$/;
|
|
}
|
|
}
|
|
}
|
|
foreach (@synopsis) {
|
|
my $option = $_;
|
|
err($id, "SYNOPSIS entry $option missing from OPTIONS")
|
|
unless (grep /^\Q$option\E$/, @options);
|
|
}
|
|
}
|
|
|
|
# Normal symbol form
|
|
my $symbol_re = qr/[[:alpha:]_][_[:alnum:]]*?/;
|
|
|
|
# Checks of function name (man3) formatting. The man3 checks are
|
|
# easier than the man1 checks, we only check the names followed by (),
|
|
# and only the names that have POD markup.
|
|
sub functionname_check {
|
|
my $id = shift;
|
|
my $filename = shift;
|
|
my $contents = shift;
|
|
|
|
while ( $contents =~ /($markup_re)\(\)/msg ) {
|
|
print STDERR "$id:DEBUG[functionname_check] SYNOPSIS: found $&\n"
|
|
if $debug;
|
|
|
|
my $symbol = $1;
|
|
my $unmarked = $symbol;
|
|
$unmarked =~ s/[BIL]<|>//msg;
|
|
|
|
err($id, "Malformed symbol: $symbol")
|
|
unless $symbol =~ /^B<.*?>$/ && $unmarked =~ /^${symbol_re}$/
|
|
}
|
|
|
|
# We can't do the kind of collecting coolness that option_check()
|
|
# does, because there are too many things that can't be found in
|
|
# name repositories like the NAME sections, such as symbol names
|
|
# with a variable part (typically marked up as B<foo_I<TYPE>_bar>
|
|
}
|
|
|
|
# This is from http://man7.org/linux/man-pages/man7/man-pages.7.html
|
|
my %preferred_words = (
|
|
'16bit' => '16-bit',
|
|
'a.k.a.' => 'aka',
|
|
'bitmask' => 'bit mask',
|
|
'builtin' => 'built-in',
|
|
#'epoch' => 'Epoch', # handled specially, below
|
|
'fall-back' => 'fallback',
|
|
'file name' => 'filename',
|
|
'file system' => 'filesystem',
|
|
'host name' => 'hostname',
|
|
'i-node' => 'inode',
|
|
'lower case' => 'lowercase',
|
|
'lower-case' => 'lowercase',
|
|
'manpage' => 'man page',
|
|
'non-blocking' => 'nonblocking',
|
|
'non-default' => 'nondefault',
|
|
'non-empty' => 'nonempty',
|
|
'non-negative' => 'nonnegative',
|
|
'non-zero' => 'nonzero',
|
|
'path name' => 'pathname',
|
|
'pre-allocated' => 'preallocated',
|
|
'pseudo-terminal' => 'pseudoterminal',
|
|
'real time' => 'real-time',
|
|
'realtime' => 'real-time',
|
|
'reserved port' => 'privileged port',
|
|
'runtime' => 'run time',
|
|
'saved group ID'=> 'saved set-group-ID',
|
|
'saved set-GID' => 'saved set-group-ID',
|
|
'saved set-UID' => 'saved set-user-ID',
|
|
'saved user ID' => 'saved set-user-ID',
|
|
'set-GID' => 'set-group-ID',
|
|
'set-UID' => 'set-user-ID',
|
|
'setgid' => 'set-group-ID',
|
|
'setuid' => 'set-user-ID',
|
|
'sub-system' => 'subsystem',
|
|
'super block' => 'superblock',
|
|
'super-block' => 'superblock',
|
|
'super user' => 'superuser',
|
|
'super-user' => 'superuser',
|
|
'system port' => 'privileged port',
|
|
'time stamp' => 'timestamp',
|
|
'time zone' => 'timezone',
|
|
'upper case' => 'uppercase',
|
|
'upper-case' => 'uppercase',
|
|
'useable' => 'usable',
|
|
'user name' => 'username',
|
|
'userspace' => 'user space',
|
|
'zeroes' => 'zeros'
|
|
);
|
|
|
|
# Search manpage for words that have a different preferred use.
|
|
sub wording {
|
|
my $id = shift;
|
|
my $contents = shift;
|
|
|
|
foreach my $k ( keys %preferred_words ) {
|
|
# Sigh, trademark
|
|
next if $k eq 'file system'
|
|
and $contents =~ /Microsoft Encrypted File System/;
|
|
err($id, "Found '$k' should use '$preferred_words{$k}'")
|
|
if $contents =~ /\b\Q$k\E\b/i;
|
|
}
|
|
err($id, "Found 'epoch' should use 'Epoch'")
|
|
if $contents =~ /\bepoch\b/;
|
|
if ( $id =~ m@man1/@ ) {
|
|
err($id, "found 'tool' in NAME, should use 'command'")
|
|
if $contents =~ /=head1 NAME.*\btool\b.*=head1 SYNOPSIS/s;
|
|
err($id, "found 'utility' in NAME, should use 'command'")
|
|
if $contents =~ /NAME.*\butility\b.*=head1 SYNOPSIS/s;
|
|
|
|
}
|
|
}
|
|
|
|
# Perform all sorts of nit/error checks on a manpage
|
|
sub check {
|
|
my %podinfo = @_;
|
|
my $filename = $podinfo{filename};
|
|
my $dirname = basename(dirname($filename));
|
|
my $contents = $podinfo{contents};
|
|
|
|
# Find what section this page is in; presume 3.
|
|
my $mansect = 3;
|
|
$mansect = $1 if $filename =~ /man([1-9])/;
|
|
|
|
my $id = "${filename}:1:";
|
|
check_head_style($id, $contents);
|
|
|
|
# Check ordering of some sections in man3
|
|
if ( $mansect == 3 ) {
|
|
check_section_location($id, $contents, "RETURN VALUES", "EXAMPLES");
|
|
check_section_location($id, $contents, "SEE ALSO", "HISTORY");
|
|
check_section_location($id, $contents, "EXAMPLES", "SEE ALSO");
|
|
}
|
|
|
|
# Make sure every link has a man section number.
|
|
while ( $contents =~ /$markup_re/msg ) {
|
|
my $target = $1;
|
|
next unless $target =~ /^L<(.*)>$/; # Skip if not L<...>
|
|
$target = $1; # Peal away L< and >
|
|
$target =~ s/\/[^\/]*$//; # Peal away possible anchor
|
|
$target =~ s/.*\|//g; # Peal away possible link text
|
|
next if $target eq ''; # Skip if links within page, or
|
|
next if $target =~ /::/; # links to a Perl module, or
|
|
next if $target =~ /^https?:/; # is a URL link, or
|
|
next if $target =~ /\([1357]\)$/; # it has a section
|
|
err($id, "Missing man section number (likely, $mansect) in L<$target>")
|
|
}
|
|
# Check for proper links to commands.
|
|
while ( $contents =~ /L<([^>]*)\(1\)(?:\/.*)?>/g ) {
|
|
my $target = $1;
|
|
next if $target =~ /openssl-?/;
|
|
next if ( grep { basename($_) eq "$target.pod" }
|
|
files(TAGS => [ 'manual', 'man1' ]) );
|
|
next if $target =~ /ps|apropos|sha1sum|procmail|perl/;
|
|
err($id, "Bad command link L<$target(1)>") if grep /man1/, @sections;
|
|
}
|
|
# Check for proper in-man-3 API links.
|
|
while ( $contents =~ /L<([^>]*)\(3\)(?:\/.*)?>/g ) {
|
|
my $target = $1;
|
|
err($id, "Bad L<$target>")
|
|
unless $target =~ /^[_[:alpha:]][_[:alnum:]]*$/
|
|
}
|
|
|
|
unless ( $contents =~ /^=for openssl generic/ms ) {
|
|
if ( $mansect == 3 ) {
|
|
name_synopsis($id, $filename, $contents);
|
|
functionname_check($id, $filename, $contents);
|
|
} elsif ( $mansect == 1 ) {
|
|
option_check($id, $filename, $contents)
|
|
}
|
|
}
|
|
|
|
wording($id, $contents);
|
|
|
|
err($id, "Doesn't start with =pod")
|
|
if $contents !~ /^=pod/;
|
|
err($id, "Doesn't end with =cut")
|
|
if $contents !~ /=cut\n$/;
|
|
err($id, "More than one cut line.")
|
|
if $contents =~ /=cut.*=cut/ms;
|
|
err($id, "EXAMPLE not EXAMPLES section.")
|
|
if $contents =~ /=head1 EXAMPLE[^S]/;
|
|
err($id, "WARNING not WARNINGS section.")
|
|
if $contents =~ /=head1 WARNING[^S]/;
|
|
err($id, "Missing copyright")
|
|
if $contents !~ /Copyright .* The OpenSSL Project Authors/;
|
|
err($id, "Copyright not last")
|
|
if $contents =~ /head1 COPYRIGHT.*=head/ms;
|
|
err($id, "head2 in All uppercase")
|
|
if $contents =~ /head2\s+[A-Z ]+\n/;
|
|
err($id, "Extra space after head")
|
|
if $contents =~ /=head\d\s\s+/;
|
|
err($id, "Period in NAME section")
|
|
if $contents =~ /=head1 NAME.*\.\n.*=head1 SYNOPSIS/ms;
|
|
err($id, "Duplicate $1 in L<>")
|
|
if $contents =~ /L<([^>]*)\|([^>]*)>/ && $1 eq $2;
|
|
err($id, "Bad =over $1")
|
|
if $contents =~ /=over([^ ][^24])/;
|
|
err($id, "Possible version style issue")
|
|
if $contents =~ /OpenSSL version [019]/;
|
|
|
|
if ( $contents !~ /=for openssl multiple includes/ ) {
|
|
# Look for multiple consecutive openssl #include lines
|
|
# (non-consecutive lines are okay; see man3/MD5.pod).
|
|
if ( $contents =~ /=head1 SYNOPSIS(.*)=head1 DESCRIPTION/ms ) {
|
|
my $count = 0;
|
|
foreach my $line ( split /\n+/, $1 ) {
|
|
if ( $line =~ m@include <openssl/@ ) {
|
|
err($id, "Has multiple includes")
|
|
if ++$count == 2;
|
|
} else {
|
|
$count = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
open my $OUT, '>', $temp
|
|
or die "Can't open $temp, $!";
|
|
err($id, "POD errors")
|
|
if podchecker($filename, $OUT) != 0;
|
|
close $OUT;
|
|
open $OUT, '<', $temp
|
|
or die "Can't read $temp, $!";
|
|
while ( <$OUT> ) {
|
|
next if /\(section\) in.*deprecated/;
|
|
print;
|
|
}
|
|
close $OUT;
|
|
unlink $temp || warn "Can't remove $temp, $!";
|
|
|
|
# Find what section this page is in; presume 3.
|
|
my $section = 3;
|
|
$section = $1 if $dirname =~ /man([1-9])/;
|
|
|
|
foreach ( (@{$mandatory_sections{'*'}}, @{$mandatory_sections{$section}}) ) {
|
|
err($id, "Missing $_ head1 section")
|
|
if $contents !~ /^=head1\s+${_}\s*$/m;
|
|
}
|
|
}
|
|
|
|
# Information database ###############################################
|
|
|
|
# Map of links in each POD file; filename => [ "foo(1)", "bar(3)", ... ]
|
|
my %link_map = ();
|
|
# Map of names in each POD file or from "missing" files; possible values are:
|
|
# If found in a POD files, "name(s)" => filename
|
|
# If found in a "missing" file or external, "name(s)" => ''
|
|
my %name_map = ();
|
|
|
|
# State of man-page names.
|
|
# %state is affected by loading util/*.num and util/*.syms
|
|
# Values may be one of:
|
|
# 'crypto' : belongs in libcrypto (loaded from libcrypto.num)
|
|
# 'ssl' : belongs in libssl (loaded from libssl.num)
|
|
# 'other' : belongs in libcrypto or libssl (loaded from other.syms)
|
|
# 'internal' : Internal
|
|
# 'public' : Public (generic name or external documentation)
|
|
# Any of these values except 'public' may be prefixed with 'missing_'
|
|
# to indicate that they are known to be missing.
|
|
my %state;
|
|
# %missing is affected by loading util/missing*.txt. Values may be one of:
|
|
# 'crypto' : belongs in libcrypto (loaded from libcrypto.num)
|
|
# 'ssl' : belongs in libssl (loaded from libssl.num)
|
|
# 'other' : belongs in libcrypto or libssl (loaded from other.syms)
|
|
# 'internal' : Internal
|
|
my %missing;
|
|
|
|
# Parse libcrypto.num, etc., and return sorted list of what's there.
|
|
sub loadnum ($;$) {
|
|
my $file = shift;
|
|
my $type = shift;
|
|
my @symbols;
|
|
|
|
open my $IN, '<', catfile($config{sourcedir}, $file)
|
|
or die "Can't open $file, $!, stopped";
|
|
|
|
while ( <$IN> ) {
|
|
next if /^#/;
|
|
next if /\bNOEXIST\b/;
|
|
my @fields = split();
|
|
die "Malformed line $. in $file: $_"
|
|
if scalar @fields != 2 && scalar @fields != 4;
|
|
$state{$fields[0].'(3)'} = $type // 'internal';
|
|
}
|
|
close $IN;
|
|
}
|
|
|
|
# Load file of symbol names that we know aren't documented.
|
|
sub loadmissing($;$)
|
|
{
|
|
my $missingfile = shift;
|
|
my $type = shift;
|
|
|
|
open FH, catfile($config{sourcedir}, $missingfile)
|
|
or die "Can't open $missingfile";
|
|
while ( <FH> ) {
|
|
chomp;
|
|
next if /^#/;
|
|
$missing{$_} = $type // 'internal';
|
|
}
|
|
close FH;
|
|
}
|
|
|
|
# Check that we have consistent public / internal documentation and declaration
|
|
sub checkstate () {
|
|
# Collect all known names, no matter where they come from
|
|
my %names = map { $_ => 1 } (keys %name_map, keys %state, keys %missing);
|
|
|
|
# Check section 3, i.e. functions and macros
|
|
foreach ( grep { $_ =~ /\(3\)$/ } sort keys %names ) {
|
|
next if ( $name_map{$_} // '') eq '' || $_ =~ /$ignored/;
|
|
|
|
# If a man-page isn't recorded public or if it's recorded missing
|
|
# and internal, it's declared to be internal.
|
|
my $declared_internal =
|
|
($state{$_} // 'internal') eq 'internal'
|
|
|| ($missing{$_} // '') eq 'internal';
|
|
# If a man-page isn't recorded internal or if it's recorded missing
|
|
# and not internal, it's declared to be public
|
|
my $declared_public =
|
|
($state{$_} // 'internal') ne 'internal'
|
|
|| ($missing{$_} // 'internal') ne 'internal';
|
|
|
|
err("$_ is supposedly public but is documented as internal")
|
|
if ( $declared_public && $name_map{$_} =~ /\/internal\// );
|
|
err("$_ is supposedly internal (maybe missing from other.syms) but is documented as public")
|
|
if ( $declared_internal && $name_map{$_} !~ /\/internal\// );
|
|
}
|
|
}
|
|
|
|
# Check for undocumented macros; ignore those in the "missing" file
|
|
# and do simple check for #define in our header files.
|
|
sub checkmacros {
|
|
my $count = 0;
|
|
my %seen;
|
|
|
|
foreach my $f ( files(TAGS => 'public_header') ) {
|
|
# Skip some internals we don't want to document yet.
|
|
my $b = basename($f);
|
|
next if $b eq 'asn1.h';
|
|
next if $b eq 'asn1t.h';
|
|
next if $b eq 'err.h';
|
|
open(IN, $f)
|
|
or die "Can't open $f, $!";
|
|
while ( <IN> ) {
|
|
next unless /^#\s*define\s*(\S+)\(/;
|
|
my $macro = "$1(3)"; # We know they're all in section 3
|
|
next if defined $name_map{$macro}
|
|
|| defined $missing{$macro}
|
|
|| defined $seen{$macro}
|
|
|| $macro =~ /$ignored/;
|
|
|
|
err("$f:", "macro $macro undocumented")
|
|
if $opt_d || $opt_e;
|
|
$count++;
|
|
$seen{$macro} = 1;
|
|
}
|
|
close(IN);
|
|
}
|
|
err("# $count macros undocumented (count is approximate)")
|
|
if $count > 0;
|
|
}
|
|
|
|
# Find out what is undocumented (filtering out the known missing ones)
|
|
# and display them.
|
|
sub printem ($) {
|
|
my $type = shift;
|
|
my $count = 0;
|
|
|
|
foreach my $func ( grep { $state{$_} eq $type } sort keys %state ) {
|
|
next if defined $name_map{$func}
|
|
|| defined $missing{$func};
|
|
|
|
err("$type:", "function $func undocumented")
|
|
if $opt_d || $opt_e;
|
|
$count++;
|
|
}
|
|
err("# $count lib$type names are not documented")
|
|
if $count > 0;
|
|
}
|
|
|
|
# Collect all the names in a manpage.
|
|
sub collectnames {
|
|
my %podinfo = @_;
|
|
my $filename = $podinfo{filename};
|
|
$filename =~ m|man(\d)/|;
|
|
my $section = $1;
|
|
my $simplename = basename($filename, ".pod");
|
|
my $id = "${filename}:1:";
|
|
my $is_generic = $podinfo{contents} =~ /^=for openssl generic/ms;
|
|
|
|
unless ( grep { $simplename eq $_ } @{$podinfo{names}} ) {
|
|
err($id, "$simplename not in NAME section");
|
|
push @{$podinfo{names}}, $simplename;
|
|
}
|
|
foreach my $name ( @{$podinfo{names}} ) {
|
|
next if $name eq "";
|
|
err($id, "'$name' contains whitespace")
|
|
if $name =~ /\s/;
|
|
my $name_sec = "$name($section)";
|
|
if ( !defined $name_map{$name_sec} ) {
|
|
$name_map{$name_sec} = $filename;
|
|
$state{$name_sec} //=
|
|
( $filename =~ /\/internal\// ? 'internal' : 'public' )
|
|
if $is_generic;
|
|
} elsif ( $filename eq $name_map{$name_sec} ) {
|
|
err($id, "$name_sec duplicated in NAME section of",
|
|
$name_map{$name_sec});
|
|
} elsif ( $name_map{$name_sec} ne '' ) {
|
|
err($id, "$name_sec also in NAME section of",
|
|
$name_map{$name_sec});
|
|
}
|
|
}
|
|
|
|
if ( $podinfo{contents} =~ /=for openssl foreign manual (.*)\n/ ) {
|
|
foreach my $f ( split / /, $1 ) {
|
|
$name_map{$f} = ''; # It still exists!
|
|
$state{$f} = 'public'; # We assume!
|
|
}
|
|
}
|
|
|
|
my @links = ();
|
|
# Don't use this regexp directly on $podinfo{contents}, as it causes
|
|
# a regexp recursion, which fails on really big PODs. Instead, use
|
|
# $markup_re to pick up general markup, and use this regexp to check
|
|
# that the markup that was found is indeed a link.
|
|
my $linkre = qr/L<
|
|
# if the link is of the form L<something|name(s)>,
|
|
# then remove 'something'. Note that 'something'
|
|
# may contain POD codes as well...
|
|
(?:(?:[^\|]|<[^>]*>)*\|)?
|
|
# we're only interested in references that have
|
|
# a one digit section number
|
|
([^\/>\(]+\(\d\))
|
|
/x;
|
|
while ( $podinfo{contents} =~ /$markup_re/msg ) {
|
|
my $x = $1;
|
|
|
|
if ($x =~ $linkre) {
|
|
push @links, $1;
|
|
}
|
|
}
|
|
$link_map{$filename} = [ @links ];
|
|
}
|
|
|
|
# Look for L<> ("link") references that point to files that do not exist.
|
|
sub checklinks {
|
|
foreach my $filename ( sort keys %link_map ) {
|
|
foreach my $link ( @{$link_map{$filename}} ) {
|
|
err("${filename}:1:", "reference to non-existing $link")
|
|
unless defined $name_map{$link} || defined $missing{$link};
|
|
err("${filename}:1:", "reference of internal $link in public documentation $filename")
|
|
if ( ( ($state{$link} // '') eq 'internal'
|
|
|| ($missing{$link} // '') eq 'internal' )
|
|
&& $filename !~ /\/internal\// );
|
|
}
|
|
}
|
|
}
|
|
|
|
# Cipher/digests to skip if they show up as "not implemented"
|
|
# because they are, via the "-*" construct.
|
|
my %skips = (
|
|
'aes128' => 1,
|
|
'aes192' => 1,
|
|
'aes256' => 1,
|
|
'aria128' => 1,
|
|
'aria192' => 1,
|
|
'aria256' => 1,
|
|
'camellia128' => 1,
|
|
'camellia192' => 1,
|
|
'camellia256' => 1,
|
|
'des' => 1,
|
|
'des3' => 1,
|
|
'idea' => 1,
|
|
'cipher' => 1,
|
|
'digest' => 1,
|
|
);
|
|
|
|
my %genopts; # generic options parsed from apps/include/opt.h
|
|
|
|
# Check the flags of a command and see if everything is in the manpage
|
|
sub checkflags {
|
|
my $cmd = shift;
|
|
my $doc = shift;
|
|
my @cmdopts;
|
|
my %docopts;
|
|
|
|
# Get the list of options in the command source file.
|
|
my $active = 0;
|
|
my $expect_helpstr = "";
|
|
open CFH, "apps/$cmd.c"
|
|
or die "Can't open apps/$cmd.c to list options for $cmd, $!";
|
|
while ( <CFH> ) {
|
|
chop;
|
|
if ($active) {
|
|
last if m/^\s*};/;
|
|
if ($expect_helpstr ne "") {
|
|
next if m/^\s*#\s*if/;
|
|
err("$cmd does not implement help for -$expect_helpstr") unless m/^\s*"/;
|
|
$expect_helpstr = "";
|
|
}
|
|
if (m/\{\s*"([^"]+)"\s*,\s*OPT_[A-Z0-9_]+\s*,\s*('[-\/:<>cAEfFlMnNpsuU]'|0)(.*)$/
|
|
&& !($cmd eq "s_client" && $1 eq "wdebug")) {
|
|
push @cmdopts, $1;
|
|
$expect_helpstr = $1;
|
|
$expect_helpstr = "" if $3 =~ m/^\s*,\s*"/;
|
|
} elsif (m/[\s,](OPT_[A-Z]+_OPTIONS?)\s*(,|$)/) {
|
|
push @cmdopts, @{ $genopts{$1} };
|
|
}
|
|
} elsif (m/^const\s+OPTIONS\s*/) {
|
|
$active = 1;
|
|
}
|
|
}
|
|
close CFH;
|
|
|
|
# Get the list of flags from the synopsis
|
|
open CFH, "<$doc"
|
|
or die "Can't open $doc, $!";
|
|
while ( <CFH> ) {
|
|
chop;
|
|
last if /DESCRIPTION/;
|
|
my $opt;
|
|
if ( /\[B<-([^ >]+)/ ) {
|
|
$opt = $1;
|
|
} elsif ( /^B<-([^ >]+)/ ) {
|
|
$opt = $1;
|
|
} else {
|
|
next;
|
|
}
|
|
$opt = $1 if $opt =~ /I<(.*)/;
|
|
$docopts{$1} = 1;
|
|
}
|
|
close CFH;
|
|
|
|
# See what's in the command not the manpage.
|
|
my @undocced = sort grep { !defined $docopts{$_} } @cmdopts;
|
|
foreach ( @undocced ) {
|
|
err("$doc: undocumented $cmd option -$_");
|
|
}
|
|
|
|
# See what's in the manpage not the command.
|
|
my @unimpl = sort grep { my $e = $_; !(grep /^\Q$e\E$/, @cmdopts) } keys %docopts;
|
|
foreach ( @unimpl ) {
|
|
next if $_ eq "-"; # Skip the -- end-of-flags marker
|
|
next if defined $skips{$_};
|
|
err("$doc: $cmd does not implement -$_");
|
|
}
|
|
}
|
|
|
|
##
|
|
## MAIN()
|
|
## Do the work requested by the various getopt flags.
|
|
## The flags are parsed in alphabetical order, just because we have
|
|
## to have *some way* of listing them.
|
|
##
|
|
|
|
if ( $opt_c ) {
|
|
my @commands = ();
|
|
|
|
# Get the lists of generic options.
|
|
my $active = "";
|
|
open OFH, catdir($config{sourcedir}, "apps/include/opt.h")
|
|
or die "Can't open apps/include/opt.h to list generic options, $!";
|
|
while ( <OFH> ) {
|
|
chop;
|
|
push @{ $genopts{$active} }, $1 if $active ne "" && m/^\s+\{\s*"([^"]+)"\s*,\s*OPT_/;
|
|
$active = $1 if m/^\s*#\s*define\s+(OPT_[A-Z]+_OPTIONS?)\s*\\\s*$/;
|
|
$active = "" if m/^\s*$/;
|
|
}
|
|
close OFH;
|
|
|
|
# Get list of commands.
|
|
opendir(DIR, "apps");
|
|
@commands = grep(/\.c$/, readdir(DIR));
|
|
closedir(DIR);
|
|
|
|
# See if each has a manpage.
|
|
foreach my $cmd ( @commands ) {
|
|
$cmd =~ s/\.c$//;
|
|
next if $cmd eq 'progs' || $cmd eq 'vms_decc_init';
|
|
my @doc = ( grep { basename($_) eq "openssl-$cmd.pod"
|
|
# For "tsget" and "CA.pl" pod pages
|
|
|| basename($_) eq "$cmd.pod" }
|
|
files(TAGS => [ 'manual', 'man1' ]) );
|
|
my $num = scalar @doc;
|
|
if ($num > 1) {
|
|
err("$num manuals for 'openssl $cmd': ".join(", ", @doc));
|
|
} elsif ($num < 1) {
|
|
err("no manual for 'openssl $cmd'");
|
|
} else {
|
|
checkflags($cmd, @doc);
|
|
}
|
|
}
|
|
}
|
|
|
|
# Populate %state
|
|
loadnum('util/libcrypto.num', 'crypto');
|
|
loadnum('util/libssl.num', 'ssl');
|
|
loadnum('util/other.syms', 'other');
|
|
loadnum('util/other-internal.syms');
|
|
if ( $opt_o ) {
|
|
loadmissing('util/missingmacro111.txt', 'crypto');
|
|
loadmissing('util/missingcrypto111.txt', 'crypto');
|
|
loadmissing('util/missingssl111.txt', 'ssl');
|
|
} elsif ( !$opt_u ) {
|
|
loadmissing('util/missingmacro.txt', 'crypto');
|
|
loadmissing('util/missingcrypto.txt', 'crypto');
|
|
loadmissing('util/missingssl.txt', 'ssl');
|
|
loadmissing('util/missingcrypto-internal.txt');
|
|
loadmissing('util/missingssl-internal.txt');
|
|
}
|
|
|
|
if ( $opt_n || $opt_l || $opt_u || $opt_v ) {
|
|
my @files_to_read = ( $opt_n && @ARGV ) ? @ARGV : files(TAGS => 'manual');
|
|
|
|
foreach (@files_to_read) {
|
|
my %podinfo = extract_pod_info($_, { debug => $debug });
|
|
|
|
collectnames(%podinfo)
|
|
if ( $opt_l || $opt_u || $opt_v );
|
|
|
|
check(%podinfo)
|
|
if ( $opt_n );
|
|
}
|
|
}
|
|
|
|
if ( $opt_l ) {
|
|
checklinks();
|
|
}
|
|
|
|
if ( $opt_n ) {
|
|
# If not given args, check that all man1 commands are named properly.
|
|
if ( scalar @ARGV == 0 && grep /man1/, @sections ) {
|
|
foreach ( files(TAGS => [ 'public_manual', 'man1' ]) ) {
|
|
next if /openssl\.pod/
|
|
|| /CA\.pl/ || /tsget\.pod/; # these commands are special cases
|
|
err("$_ doesn't start with openssl-") unless /openssl-/;
|
|
}
|
|
}
|
|
}
|
|
|
|
checkstate();
|
|
|
|
if ( $opt_u || $opt_v) {
|
|
printem('crypto');
|
|
printem('ssl');
|
|
checkmacros();
|
|
}
|
|
|
|
exit $status;
|