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|
# ex:ts=8 sw=4:
# $OpenBSD: SharedLibs.pm,v 1.40 2009/11/29 10:32:58 espie Exp $
#
# Copyright (c) 2003-2005 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.
use strict;
use warnings;
use OpenBSD::Paths;
package OpenBSD::PackingElement;
sub mark_available_lib
{
}
package OpenBSD::PackingElement::Lib;
sub mark_available_lib
{
my ($self, $pkgname) = @_;
OpenBSD::SharedLibs::register_lib($self->fullname, $pkgname);
}
package OpenBSD::SharedLibs;
use File::Basename;
use OpenBSD::Error;
my $path;
my @ldconfig = (OpenBSD::Paths->ldconfig);
sub init_path($)
{
my $destdir = shift;
$path={};
if ($destdir ne '') {
unshift @ldconfig, OpenBSD::Paths->chroot, $destdir;
}
open my $fh, "-|", @ldconfig, "-r";
if (defined $fh) {
my $_;
while (<$fh>) {
if (m/^\s*search directories:\s*(.*?)\s*$/o) {
for my $d (split(/\:/o, $1)) {
$path->{$d} = 1;
}
last;
}
}
close($fh);
} else {
print STDERR "Can't find ldconfig\n";
}
}
sub mark_ldconfig_directory
{
my ($name, $destdir) = @_;
if (!defined $path) {
init_path($destdir);
}
my $d = dirname($name);
if ($path->{$d}) {
$OpenBSD::PackingElement::Lib::todo = 1;
}
}
sub ensure_ldconfig
{
my $state = shift;
$state->vsystem(@ldconfig, "-R") unless $state->{not};
$OpenBSD::PackingElement::Lib::todo = 0;
}
our $registered_libs = {};
sub register_lib
{
my ($name, $pkgname) = @_;
my ($stem, $major, $minor, $dir) =
OpenBSD::PackingElement::Lib->parse($name);
if (defined $stem) {
push(@{$registered_libs->{$stem}->{$dir}->{$major}},
[$minor, $pkgname]);
}
}
my $done_plist = {};
sub system_dirs
{
return OpenBSD::Paths->library_dirs;
}
sub add_libs_from_system
{
my ($destdir) = @_;
return if $done_plist->{'system'};
$done_plist->{'system'} = 1;
for my $dirname (system_dirs()) {
opendir(my $dir, $destdir.$dirname."/lib") or next;
while (my $d = readdir($dir)) {
register_lib("$dirname/lib/$d", 'system');
}
closedir($dir);
}
}
sub add_libs_from_installed_package
{
my $pkgname = shift;
return if $done_plist->{$pkgname};
$done_plist->{$pkgname} = 1;
my $plist = OpenBSD::PackingList->from_installation($pkgname,
\&OpenBSD::PackingList::LibraryOnly);
return if !defined $plist;
$plist->mark_available_lib($pkgname);
}
sub add_libs_from_plist
{
my $plist = shift;
my $pkgname = $plist->pkgname;
return if $done_plist->{$pkgname};
$done_plist->{$pkgname} = 1;
$plist->mark_available_lib($pkgname);
}
sub normalize_dir_and_spec
{
my ($base, $libspec) = @_;
if ($libspec =~ m/^(.*)\/([^\/]+)$/o) {
return ("$base/$1", $2);
} else {
return ("$base/lib", $libspec);
}
}
sub parse_spec
{
my $spec = shift;
if ($spec =~ m/^(.*)\.(\d+)\.(\d+)$/o) {
return ($1, $2, $3);
} else {
return undef;
}
}
sub lookup_libspec
{
my ($dir, $spec) = normalize_dir_and_spec(@_);
my @r = ();
my ($libname, $major, $minor) = parse_spec($spec);
if (defined $libname) {
my $exists = $registered_libs->{$libname}->{$dir}->{$major};
if (defined $exists) {
for my $e (@$exists) {
if ($e->[0] >= $minor) {
push(@r, $e->[1]);
}
}
}
}
return @r;
}
sub entry_string
{
my ($stem, $M, $m) = @_;
return "lib$stem.so.$M.$m";
}
sub why_is_this_bad
{
my ($base, $name, $d1, $d2, $M1, $M2, $m1, $m2, $pkgname) = @_;
if ($d1 ne $d2 && !($pkgname eq 'system' && $d1 eq "$base/lib")) {
return "bad directory";
}
if ($M1 != $M2) {
return "bad major";
}
if ($m1 > $m2) {
return "minor not large enough";
}
return "$pkgname not reachable";
}
my $printed = {};
sub report_problem
{
my ($state, $p) = @_;
my $base = $state->{localbase};
my ($dir, $name) = normalize_dir_and_spec($base, $p);
my ($stem, $major, $minor) = parse_spec($name);
return unless defined $stem;
return unless defined $registered_libs->{$stem};
my $r = "";
while (my ($d, $v) = each %{$registered_libs->{$stem}}) {
my @l = ();
while (my ($M, $w) = each %$v) {
for my $e (@$w) {
push(@l, entry_string($stem, $M, $e->[0]).
" (".why_is_this_bad($base, $name, $dir,
$d, $major, $M, $minor, $e->[0], $e->[1]).
")");
}
}
if (@l > 0) {
$r .= "| in $d: ". join(", ", sort @l). "\n";
}
}
if (!defined $printed->{$name} || $printed->{$name} ne $r) {
$printed->{$name} = $r;
$state->errsay("|library $name not found");
$state->print($r);
}
}
1;
|
