diff options
-rwxr-xr-x | Master/texmf-dist/scripts/texlive/tlmgr.pl | 54 | ||||
-rw-r--r-- | Master/tlpkg/TeXLive/TLCrypto.pm | 61 | ||||
-rw-r--r-- | Master/tlpkg/TeXLive/TLPDB.pm | 55 |
3 files changed, 80 insertions, 90 deletions
diff --git a/Master/texmf-dist/scripts/texlive/tlmgr.pl b/Master/texmf-dist/scripts/texlive/tlmgr.pl index 9a3820b5f6b..916b462e856 100755 --- a/Master/texmf-dist/scripts/texlive/tlmgr.pl +++ b/Master/texmf-dist/scripts/texlive/tlmgr.pl @@ -7006,12 +7006,13 @@ sub setup_one_remotetlpdb { ddebug("loc copy found!\n"); # we found the tlpdb matching the current location # check for the remote hash - my $path = "$location/$InfraLocation/$DatabaseName.$TeXLive::TLConfig::ChecksumExtension"; + my $path = "$location/$InfraLocation/$DatabaseName"; ddebug("remote path of digest = $path\n"); - - my ($ret,$msg) - = TeXLive::TLCrypto::verify_checksum($loc_copy_of_remote_tlpdb, $path); - if ($ret == $VS_CONNECTION_ERROR) { + my ($verified, $status) + = TeXLive::TLCrypto::verify_checksum_and_check_return($loc_copy_of_remote_tlpdb, $path, + $is_main, 1); # the 1 means local copy mode! + # deal with those cases that need special treatment + if ($status == $VS_CONNECTION_ERROR) { info(<<END_NO_INTERNET); Unable to download the checksum of the remote TeX Live database, but found a local copy, so using that. @@ -7027,46 +7028,17 @@ END_NO_INTERNET $remotetlpdb = TeXLive::TLPDB->new(root => $location, tlpdbfile => $loc_copy_of_remote_tlpdb); $local_copy_tlpdb_used = 1; - } elsif ($ret == $VS_UNSIGNED) { - # we require the main database to be signed, but allow for - # subsidiary to be unsigned - if ($is_main) { - tldie("$prg: main database at $location is not signed: $msg\n"); - } - # the remote database has not be signed, warn - debug("$prg: remote database is not signed, continuing anyway!\n"); - } elsif ($ret == $VS_GPG_UNAVAILABLE) { - # no gpg available - debug("$prg: no gpg available for verification, continuing anyway!\n"); - } elsif ($ret == $VS_PUBKEY_MISSING) { - # pubkey missing - debug("$prg: $msg, continuing anyway!\n"); - } elsif ($ret == $VS_CHECKSUM_ERROR) { - # no problem, checksum is wrong, we need to get new tlpdb - } elsif ($ret == $VS_SIGNATURE_ERROR) { - # umpf, signature error - # TODO should we die here? Probably yes because one of - # checksum file or signature file has changed! - tldie("$prg: verification of checksum for $location failed: $msg\n"); - } elsif ($ret == $VS_EXPKEYSIG) { - # do nothing, try to get new tlpdb and hope sig is better? - tlwarn("Verification problem of the TL database at $location:\n"); - tlwarn("--> $VerificationStatusDescription{$ret}\n"); - # debug("$prg: good signature bug gpg key expired, continuing anyway!\n"); - } elsif ($ret == $VS_REVKEYSIG) { - # do nothing, try to get new tlpdb and hope sig is better? - tlwarn("Verification problem of the TL database at $location:\n"); - tlwarn("--> $VerificationStatusDescription{$ret}\n"); - #debug("$prg: good signature but from revoked gpg key, continuing anyway!\n"); - } elsif ($ret == $VS_VERIFIED) { + } elsif ($status == $VS_VERIFIED || $status == $VS_EXPKEYSIG || $status == $VS_REVKEYSIG) { $remotetlpdb = TeXLive::TLPDB->new(root => $location, tlpdbfile => $loc_copy_of_remote_tlpdb); $local_copy_tlpdb_used = 1; - # we did verify this tlpdb, make sure that is recorded - $remotetlpdb->is_verified(1); - } else { - tldie("$prg: unexpected return value from verify_checksum: $ret\n"); + # if verification was successful, make sure that is recorded + $remotetlpdb->verification_status($status); + $remotetlpdb->is_verified($verified); } + # nothing to do in the else case + # we tldie already in the verify_checksum_and_check_return + # for all other cases } } if (!$local_copy_tlpdb_used) { diff --git a/Master/tlpkg/TeXLive/TLCrypto.pm b/Master/tlpkg/TeXLive/TLCrypto.pm index 4db22b7f26d..6027885c1c9 100644 --- a/Master/tlpkg/TeXLive/TLCrypto.pm +++ b/Master/tlpkg/TeXLive/TLCrypto.pm @@ -1,6 +1,6 @@ # $Id$ # TeXLive::TLCrypto.pm - handle checksums and signatures. -# Copyright 2016-2019 Norbert Preining +# Copyright 2016-2020 Norbert Preining # This file is licensed under the GNU General Public License version 2 # or any later version. @@ -34,6 +34,7 @@ C<TeXLive::TLCrypto> -- checksums and cryptographic signatures TeXLive::TLCrypto::tlchecksum($path); TeXLive::TLCrypto::verify_checksum($file, $url); + TeXLive::TLCrypto::verify_checksum_and_check_return($file, $url); =head2 Signatures @@ -52,6 +53,7 @@ BEGIN { &tlchecksum &tl_short_digest &verify_checksum + &verify_checksum_and_check_return &setup_gpg &verify_signature %VerificationStatusDescription @@ -226,6 +228,63 @@ sub tl_short_digest { return (Digest::MD5::md5_hex(shift)); } # emacs-page =pod +=item C<< verify_checksum_and_check_return($file, $tlpdburl [, $is_main, $localcopymode ]) >> + +Calls C<<verify_checksum>> and checks the various return values +for critical errors, and dies if necessary. + +If C<$is_main> is given and true, an unsigned tlpdb is considered +fatal. If C<$localcopymode> is given and true, do not die for +checksum and connection errors, thus allowing for re-downloading +of a copy. + +=cut + +sub verify_checksum_and_check_return { + my ($file, $path, $is_main, $localcopymode) = @_; + my ($r, $m) = verify_checksum($file, "$path.$ChecksumExtension"); + if ($r == $VS_CHECKSUM_ERROR) { + if (!$localcopymode) { + tldie("$0: checksum error when downloading $file from $path: $m\n"); + } + } elsif ($r == $VS_SIGNATURE_ERROR) { + tldie("$0: signature verification error of $file from $path: $m\n"); + } elsif ($r == $VS_CONNECTION_ERROR) { + if ($localcopymode) { + return(0, $r); + } else { + tldie("$0: cannot download: $m\n"); + } + } elsif ($r == $VS_UNSIGNED) { + if ($is_main) { + tldie("$0: main database at $path is not signed: $m\n"); + } + debug("$0: remote database checksum is not signed, continuing anyway: $m\n"); + return(0, $r); + } elsif ($r == $VS_EXPKEYSIG) { + debug("$0: good signature bug gpg key expired, continuing anyway!\n"); + return(0, $r); + } elsif ($r == $VS_REVKEYSIG) { + debug("$0: good signature but from revoked gpg key, continuing anyway!\n"); + return(0, $r); + } elsif ($r == $VS_GPG_UNAVAILABLE) { + debug("$0: TLPDB: no gpg available, continuing anyway!\n"); + return(0, $r); + } elsif ($r == $VS_PUBKEY_MISSING) { + debug("$0: TLPDB: pubkey missing, continuing anyway!\n"); + return(0, $r); + } elsif ($r == $VS_VERIFIED) { + return(1, $r); + } else { + tldie("$0: unexpected return value from verify_checksum: $r\n"); + } +} + + + +# emacs-page +=pod + =item C<< verify_checksum($file, $checksum_url) >> Verifies that C<$file> has checksum C<$checksum_url>, and if gpg is diff --git a/Master/tlpkg/TeXLive/TLPDB.pm b/Master/tlpkg/TeXLive/TLPDB.pm index 5ff686d5a78..35255ce0228 100644 --- a/Master/tlpkg/TeXLive/TLPDB.pm +++ b/Master/tlpkg/TeXLive/TLPDB.pm @@ -1,6 +1,6 @@ # $Id$ # TeXLive::TLPDB.pm - tlpdb plain text database files. -# Copyright 2007-2019 Norbert Preining +# Copyright 2007-2020 Norbert Preining # This file is licensed under the GNU General Public License version 2 # or any later version. @@ -370,57 +370,16 @@ sub from_file { # # before we open and proceed, verify the downloaded file if ($params{'verify'} && $media ne 'local_uncompressed') { - my ($r, $m) = TeXLive::TLCrypto::verify_checksum($tlpdbfile, "$path.$ChecksumExtension"); - if ($r == $VS_CHECKSUM_ERROR) { - tldie("$0: checksum error when downloading $tlpdbfile from $path: $m\n"); - } elsif ($r == $VS_SIGNATURE_ERROR) { - tldie("$0: signature verification error of $tlpdbfile from $path: $m\n"); - } elsif ($r == $VS_CONNECTION_ERROR) { - tldie("$0: cannot download: $m\n"); - } elsif ($r == $VS_UNSIGNED) { - debug("$0: remote database checksum is not signed, continuing anyway: $m\n"); - $self->verification_status($r); - } elsif ($r == $VS_GPG_UNAVAILABLE) { - debug("$0: TLPDB: no gpg available, continuing anyway!\n"); - $self->verification_status($r); - } elsif ($r == $VS_PUBKEY_MISSING) { - debug("$0: TLPDB: pubkey missing, continuing anyway!\n"); - $self->verification_status($r); - } elsif ($r == $VS_VERIFIED) { - $is_verified = 1; - $self->verification_status($r); - } else { - tldie("$0: unexpected return value from verify_checksum: $r\n"); - } + my ($verified, $status) = TeXLive::TLCrypto::verify_checksum_and_check_return($tlpdbfile, $path); + $is_verified = $verified; + $self->verification_status($status); } open($retfh, "<$tlpdbfile") || die "$0: open($tlpdbfile) failed: $!"; } else { if ($params{'verify'} && $media ne 'local_uncompressed') { - my ($r, $m) = TeXLive::TLCrypto::verify_checksum($path, "$path.$ChecksumExtension"); - if ($r == $VS_CHECKSUM_ERROR) { - tldie("$0: checksum error when downloading $path from $path: $m\n"); - } elsif ($r == $VS_SIGNATURE_ERROR) { - tldie("$0: signature verification error of $path from $path: $m\n"); - } elsif ($r == $VS_CONNECTION_ERROR) { - tldie("$0: cannot download: $m\n"); - } elsif ($r == $VS_UNSIGNED) { - debug("$0: remote database checksum is not signed, continuing anyway!\n"); - $self->verification_status($r); - } elsif ($r == $VS_GPG_UNAVAILABLE) { - debug("$0: TLPDB: no gpg available, continuing anyway!\n"); - $self->verification_status($r); - } elsif ($r == $VS_PUBKEY_MISSING) { - debug("$0: TLPDB: pubkey missing, continuing anyway!\n"); - $self->verification_status($r); - } elsif ($r == $VS_EXPKEYSIG) { - debug("$0: TLPDB: signature verified, but key expired, continuing anyway!\n"); - $self->verification_status($r); - } elsif ($r == $VS_VERIFIED) { - $is_verified = 1; - $self->verification_status($r); - } else { - tldie("$0: unexpected return value from verify_checksum: $r\n"); - } + my ($verified, $status) = TeXLive::TLCrypto::verify_checksum_and_check_return($path, $path); + $is_verified = $verified; + $self->verification_status($status); } open(TMP, "<$path") || die "$0: open($path) failed: $!"; $retfh = \*TMP; |