openbsd-ports/infrastructure/package/check-newlib-depends

392 lines
8.9 KiB
Perl
Executable File

#!/usr/bin/perl
# $OpenBSD: check-newlib-depends,v 1.25 2007/04/08 12:36:04 espie Exp $
# Copyright (c) 2004 Marc Espie <espie@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# check all packages in the current directory, and report library issues
use strict;
use warnings;
use File::Spec;
use File::Path;
use File::Basename;
use OpenBSD::PackageLocator;
use OpenBSD::PackageInfo;
use OpenBSD::PackingList;
use OpenBSD::SharedLibs;
use File::Temp;
use Getopt::Std;
our ($opt_o, $opt_d, $opt_f, $opt_B);
my $errors = 0;
# fake archive handle, since the extraction does not happen...
package FakeHandle;
sub new
{
return bless {}, "FakeHandle";
}
sub next
{
return shift;
}
sub create
{
return 0;
}
package OpenBSD::PackingList;
package OpenBSD::PackingElement;
sub check_wantlibs
{
}
sub depwalk
{
}
package OpenBSD::PackingElement::Wantlib;
sub check_wantlibs
{
my ($item, $t, $where, $handle) = @_;
my $name = $item->{name};
$name =~ s/^(.*\/)?(.*)\.(\d+)\.\d+$/$2.$3/;
$t->{haslib}->{$name} = 1;
}
package OpenBSD::PackingElement::FileBase;
use File::Basename;
sub shellquote
{
local $_ = shift;
s/[*?;() #\\'"`\${}]/\\$&/g;
return $_;
}
sub check_wantlibs
{
my ($item, $t, $where, $handle) = @_;
my $fullname = File::Spec->canonpath($item->fullname());
my $file = $handle->next();
$file->{destdir} = $where;
$file->{cwd} = $item->cwd();
$file->{name} = $fullname;
my $linux_bin = 0;
my $freebsd_bin = 0;
if ($fullname =~ m,^/usr/local/emul/redhat/,) {
$linux_bin = 1;
}
if ($fullname =~ m,^/usr/local/emul/freebsd/,) {
$freebsd_bin = 1;
}
# this will fail because of links, so we don't care.
eval { $file->create(); };
unless ($@ or defined $item->{symlink}) {
my $n = shellquote("$where$fullname");
my $cmd;
if ($main::opt_o) {
open($cmd, "ldd -f 'NEEDED lib%o.so.%m.%n\\n'|");
} else {
open($cmd, "objdump -p $n 2>/dev/null|");
}
local $_;
my @l;
while(<$cmd>) {
if (m/^\s+NEEDED\s+(.*?)\s*$/) {
my $lib = $1;
push(@l, $lib);
# detect linux binaries
if ($lib eq 'libc.so.6') {
$linux_bin = 1;
}
}
}
close($cmd);
# okay, we are not OpenBSD, we don't have sensible names
if ($linux_bin or $freebsd_bin) {
return;
}
for my $lib (@l) {
# don't look for modules
next if $lib =~ m/\.so$/;
$lib =~ s/^(.*\/)?lib(.*)\.so\.(\d+)\.\d+$/$2.$3/;
if ($main::opt_f) {
if (!defined $t->{needlib}->{$lib}) {
$t->{needlib}->{$lib} = [];
}
push(@{$t->{needlib}->{$lib}}, $fullname);
} else {
$t->{needlib}->{$lib} = $fullname;
}
}
}
if ($fullname =~ m/^(.*\/)?lib(.*)\.so\.(\d+)\.\d+$/) {
$t->{haslib}->{"$2.$3"} = 2;
}
if (!defined $main::opt_B) {
unlink($where.$fullname);
}
}
package OpenBSD::PackingElement::Dependency;
sub depwalk
{
my ($self, $h) = @_;
$h->{$self->{def}} = $self->{pkgpath};
}
package main;
getopts('od:f:B:');
my $dependencies = {};
sub register_dependencies
{
my $plist = shift;
my $pkgname = $plist->pkgname();
my $h = {};
$dependencies->{$pkgname} = $h;
$plist->visit('depwalk', $h);
}
sub get_plist
{
my ($pkgname, $pkgpath) = @_;
# try physical package
if (defined $opt_d) {
my $location = "$opt_d/$pkgname.tgz";
my $true_package = OpenBSD::PackageLocator->find($pkgname);
if ($true_package) {
my $dir = $true_package->info();
# twice read
if (-d $dir) {
my $plist = OpenBSD::PackingList->fromfile($dir.CONTENTS);
$true_package->close();
rmtree($dir);
return $plist;
}
}
}
# ask the ports tree
my $portsdir = $ENV{PORTSDIR} || "/usr/ports";
my $make = $ENV{MAKE} || "make";
open my $fh, "cd $portsdir && env -i SUBDIR=$pkgpath ECHO_MSG=: make print-plist-with-depends |" or return undef;
my $plist = OpenBSD::PackingList->read($fh);
close $fh;
return $plist;
}
sub handle_dependency
{
my ($pkgname, $pkgpath) = @_;
my $plist = get_plist($pkgname, $pkgpath);
if (!defined $plist || !defined $plist->pkgname()) {
print "Error: can't solve dependency for $pkgname/$pkgpath\n";
print "Error: use -d directory or set the PORTSDIR correctly\n";
return;
}
if ($plist->pkgname() ne $pkgname) {
delete $dependencies->{$pkgname};
for my $p (keys %$dependencies) {
if ($dependencies->{$p}->{$pkgname}) {
$dependencies->{$p}->{$plist->pkgname()} =
$dependencies->{$p}->{$pkgname};
delete $dependencies->{$p}->{$pkgname};
}
}
}
register_dependencies($plist);
OpenBSD::SharedLibs::add_plist_libs($plist);
return $plist->pkgname();
}
sub report_lib_issue
{
my ($plist, $lib, $binary, $r) = @_;
OpenBSD::SharedLibs::add_system_libs('/');
my $libspec = "$lib.0";
my $want = $lib;
for my $dir (qw(/usr /usr/X11R6)) {
my @r = OpenBSD::SharedLibs::lookup_libspec($dir, $libspec);
if (grep { $_ eq 'system' } @r) {
print "Missing system lib: $want ($binary)\n";
$errors++;
$want =~ s/\.\d+$//;
$r->{wantlib}->{$want} = 1;
return;
}
}
while (my ($p, $pkgpath) = each %{$dependencies->{$plist->pkgname()}}) {
next if defined $dependencies->{$p};
handle_dependency($p, $pkgpath);
}
my @r = OpenBSD::SharedLibs::lookup_libspec('/usr/local', $libspec);
if (@r > 0) {
for my $p (@r) {
if (defined $dependencies->{$plist->pkgname()}->{$p}) {
print "Missing: $want from $p ($binary) (probably LIB_DEPENDS)\n";
$errors++;
return;
}
}
}
# okay, let's walk for WANTLIB
my @todo = %{$dependencies->{$plist->pkgname()}};
my $done = {};
while (@todo >= 2) {
my $path = pop @todo;
my $dep = pop @todo;
next if $done->{$dep};
$dep = handle_dependency($dep, $path)
unless defined $dependencies->{$dep};
$done->{$dep} = 1;
push(@todo, %{$dependencies->{$dep}});
}
@r = OpenBSD::SharedLibs::lookup_libspec('/usr/local', $libspec);
if (@r > 0) {
for my $p (@r) {
if (defined $done->{$p}) {
print "Missing: $want from $p ($binary) (reachable through dependencies: WANTLIB)\n";
$want =~ s/\.\d+$//;
$r->{wantlib}->{$want} = 1;
$errors++;
return;
}
}
print "Missing $want (coming from ", join(',', @r), " ($binary) (NOT REACHABLE)\n";
$errors++;
return;
}
print "Missing: $want ($binary): NOT REACHABLE\n";
$errors++;
}
sub print_list
{
my ($head, $h) = @_;
my $line = "";
for my $k (sort keys %$h) {
if (length $line > 50) {
print $head, $line, "\n";
$line = "";
}
$line .= ' '.$k;
}
if ($line ne '') {
print $head, $line, "\n";
}
}
sub analyze
{
my ($plist, $db, $where, @l) = @_;
my $pkgname = $plist->pkgname();
my $t = { haslib => {}, needlib => {} };
$plist->visit('check_wantlibs', $t, $where, @l);
if (!defined $dependencies->{$pkgname}) {
register_dependencies($plist);
OpenBSD::SharedLibs::add_plist_libs($plist);
}
my $r = { wantlib => {}, libdepends => {}, wantlib2 => {} };
for my $lib (sort keys %{$t->{needlib}}) {
my $fullname = $t->{needlib}->{$lib};
$fullname = $fullname->[0] if $opt_f;
if (!defined $t->{haslib}->{$lib}) {
report_lib_issue($plist, $lib, $fullname, $r);
}
$t->{haslib}->{$lib} = 2;
}
for my $k (sort keys %{$t->{haslib}}) {
my $v = $t->{haslib}->{$k};
next if $v == 2;
print "Extra: $k\n";
}
print_list("\tWANTLIB +=", $r->{wantlib});
if ($opt_f) {
for my $lib (sort keys %{$t->{needlib}}) {
print "$lib:\t\n";
for my $binary (sort @{$t->{needlib}->{$lib}}) {
print "\t$binary\n";
}
}
}
}
my $db = {};
sub do_pkg
{
my $pkgname = shift;
print "\n$pkgname:\n";
my $true_package = OpenBSD::PackageLocator->find($pkgname);
return 0 unless $true_package;
my $dir = $true_package->info();
# twice read
return 0 unless -d $dir;
my $plist = OpenBSD::PackingList->fromfile($dir.CONTENTS);
if ($opt_B) {
analyze($plist, $db, $opt_B, FakeHandle->new());
} else {
my $where = File::Temp::mkdtemp("/tmp/zoinx.XXXXXXXXXX");
analyze($plist, $db, $where, $true_package);
rmtree($where);
}
$true_package->close();
$true_package->wipe_info();
$plist->forget();
return 1;
}
sub do_plist
{
my $plist = OpenBSD::PackingList->read(\*STDIN);
if (!defined $plist->{name}) {
print STDERR "Error reading plist\n";
$errors++;
} else {
my $pkgname = $plist->pkgname();
print "\n$pkgname:\n";
analyze($plist, $db, $opt_B, FakeHandle->new());
}
}
if (@ARGV == 0 && defined $opt_B) {
do_plist();
} else {
for my $pkgname (@ARGV) {
do_pkg($pkgname);
}
}
exit($errors ? 1 : 0);