scanlib.pm

   1 #! /usr/bin/perl
   2 # vim: ts=8 sw=8 nowrap
   3 #
   4 # General functions for scanning the BTS-database.
   5 # Based on bugscan, written by Richard Braakman <dark@debian.org>,
   6 # which was based on an unknown other script.
   7 #
   8 # Global variables:
   9 #   %maintainer     - map from packagename to maintainer
  10 #   %section        - map from packagename to section in the FTP-site
  11 #   %packagelist    - map from packagename to bugreports
  12
  13 use warnings;
  14 use strict;
  15
  16 use lib qw(/org/bugs.debian.org/perl);
  17 use LWP::UserAgent;
  18 use Debbugs::MIME qw(decode_rfc1522 encode_rfc1522);
  19 use Debbugs::Packages;
  20 use Debbugs::Versions;
  21 use Debbugs::Status;
  22 use Fcntl qw(O_RDONLY);
  23
  24 use File::Basename;
  25 use lib dirname(__FILE__);
  26 use bugcfg;
  27
  28 package scanlib;
  29
  30 our (%maintainer,%section,%packagelist,%debbugssection,%bugs);
  31
  32
  33 # Read the list of maintainer
  34 sub readmaintainers() {
  35         my $pkg;                                        # Name of package
  36         my $mnt;                                        # Maintainer name & email
  37
  38         open(M, $bugcfg::maintainerlist) or die "open $bugcfg::maintainerlist: $!\n";
  39         while (<M>) {
  40                 chomp;
  41                 m/^(\S+)\s+(\S.*\S)\s*$/ or die "Maintainers: $_ ?";
  42                 ($pkg, $mnt) = ($1, $2);
  43                 $pkg =~ y/A-Z/a-z/;                     # Normalize package-name. why???
  44                 $_=$mnt;
  45                 if (not m/</) {
  46                         $mnt="$2 <$1>" if ( m/(\S+)\s+\(([^)]+)\)/ );
  47                 }
  48                 $maintainer{$pkg}= $mnt;
  49         }
  50         close(M);
  51 }
  52
  53
  54 sub readsources() {
  55         my $root;                                       # Root of archive we are scanning
  56         my $archive;                            # Name of archive we are scanning
  57         my $sect;                                       # Name of current section
  58
  59         $root=shift;
  60         $archive=shift;
  61         for $sect (@bugcfg::sections) {
  62                 open(P, "zcat $root/$sect/source/Sources.gz|")
  63                         or die open "open: $sect sourcelist: $!\n";
  64                 while (<P>) {
  65                         chomp;
  66                         next unless m/^Package:\s/;
  67                         s/^Package:\s*//;                       # Strip the fieldname
  68                         $section{$_} = "$archive/$sect";
  69                 }
  70                 close (P);
  71         }
  72 }
  73
  74 sub readpackages {
  75     my ($root,$archive) = @_;
  76         for my $arch ( @bugcfg::architectures ) {
  77                 for my $sect ( @bugcfg::sections) {
  78                         open(P, "zcat $root/$sect/binary-$arch/Packages.gz|")
  79                                 or die "open: $root/$sect/binary-$arch/Packages.gz: $!\n";
  80                         while (<P>) {
  81                                 chomp;
  82                                 next unless m/^Package:\s/;     # We're only interested in the packagenames
  83                                 s/^Package:\s*//;                       # Strip the fieldname
  84                                 $section{$_} = "$archive/$sect";
  85                                 print "$root/$sect/binary-$arch/Packages.gz\n" if ($_ eq 'xtla');
  86                         }
  87                         close(P);
  88                 }
  89         }
  90     # handle the source packages
  91     for my $sect (@bugcfg::sections) {
  92         my $fh;
  93         open($fh,'-|','zcat',"$root/$sect/source/Sources.gz") or
  94             die "Unable to open zcat $root/$sect/source/Sources.gz for reading: $!";
  95         while (<$fh>) {
  96             chomp;
  97             next unless m/^Package:\s/; # We're only interested in the packagenames
  98             s/^Package:\s*//;                   # Strip the fieldname
  99             $section{$_} = "$archive/$sect";
 100         }
 101     }
 102 }
 103
 104 sub readdebbugssources() {
 105         my $file;
 106         my $archive;
 107
 108         $file=shift;
 109         $archive=shift;
 110         open(P, $file)
 111                 or die "open: $file: $!\n";
 112         while (<P>) {
 113                 chomp;
 114                 my ($host, $bin, $sect, $ver, $src) = split /\s+/;
 115                 my $sectname = ($sect =~ /^\Q$archive/) ? $sect : "$archive/$sect";
 116                 $debbugssection{$bin} = $sectname;
 117                 $debbugssection{$src} = $sectname;
 118         }
 119         close(P);
 120 }
 121
 122 sub readpseudopackages() {
 123         open(P, $bugcfg::pseudolist) or die("open $bugcfg::pseudolist: $!\n");
 124         while (<P>) {
 125                 chomp;
 126                 s/\s.*//;
 127                 $section{$_} = "pseudo";
 128         }
 129         close(P);
 130 }
 131
 132
 133 sub scanspool() {
 134         my @dirs;
 135         my $dir;
 136
 137         chdir($bugcfg::spooldir) or die "chdir $bugcfg::spooldir: $!\n";
 138
 139         opendir(DIR, $bugcfg::spooldir) or die "opendir $bugcfg::spooldir: $!\n";
 140         @dirs=grep(m/^\d+$/,readdir(DIR));
 141         closedir(DIR);
 142
 143         for $dir (@dirs) {
 144                 scanspooldir("$bugcfg::spooldir/$dir");
 145         }
 146
 147 }
 148
 149 sub scanspooldir {
 150         my ($dir)               = @_;
 151         my $f;                  # While we're currently processing
 152         my @list;               # List of files to process
 153         my $skip;               # Flow control
 154         my $walk;               # index variable
 155         my $taginfo;    # Tag info
 156
 157         my @archs_with_source = ( @bugcfg::architectures, 'source' );
 158
 159         chdir($dir) or die "chdir $dir: $!\n";
 160
 161         opendir(DIR, $dir) or die "opendir $dir: $!\n";
 162         @list = grep { s/\.summary$// }
 163                         grep { m/^\d+\.summary$/ }
 164                         readdir(DIR);
 165         closedir(DIR);
 166
 167         for $f (@list) {
 168                 my $bug = Debbugs::Status::read_bug(summary => "$f.summary");
 169                 next if (!defined($bug));
 170
 171                 my $bi = {
 172                         number => $f,
 173                         subject => $bug->{'subject'},
 174                         package => $bug->{'package'}
 175                 };
 176
 177                 $skip=1;
 178                 for $walk (@bugcfg::priorities) {
 179                         $skip=0 if $walk eq $bug->{'severity'};
 180                 }
 181
 182                 my @tags = split(' ', $bug->{'keywords'});
 183                 for my $tag (@tags) {
 184                         for my $s (@bugcfg::skiptags) {
 185                                 $skip=1 if $tag eq $s;
 186                         }
 187                 }
 188                 next if $skip==1;
 189
 190                 my %disttags = ();
 191         for my $release (qw(oldstable stable testing unstable)) {
 192             $disttags{$release}    = grep(/^$bugcfg::debian_releases->{$release}$/, @tags);
 193         }
 194                 $disttags{'experimental'} = grep(/^experimental$/, @tags);
 195
 196                 # default according to vorlon 2007-06-17
 197                 if (!$disttags{'oldstable'} && !$disttags{'stable'} && !$disttags{'testing'} && !$disttags{'unstable'} && !$disttags{'experimental'}) {
 198                         $disttags{'stable'} = 1;
 199                         $disttags{'testing'} = 1;
 200                         $disttags{'unstable'} = 1;
 201                         $disttags{'experimental'} = 1;
 202                 }
 203
 204                 if (defined($section{$bug->{'package'}}) && $section{$bug->{'package'}} eq 'pseudo') {
 205                         # versioning information makes no sense for pseudo packages,
 206                         # just use the tags
 207                         for my $dist (qw(oldstable stable testing unstable experimental)) {
 208                                 $bi->{$dist} = $disttags{$dist};
 209                         }
 210                         next if (length($bug->{'done'}));
 211                 } else {
 212                         my $affects_any = 0;
 213
 214                         # only bother to check the versioning status for the distributions indicated by the tags
 215                         for my $dist (qw(oldstable stable testing unstable experimental)) {
 216                                 local $SIG{__WARN__} = sub {};
 217
 218                                 $bi->{$dist} = 0;
 219                                 next if (!$disttags{$dist});
 220
 221                                 my $presence = Debbugs::Status::bug_presence(
 222                                         bug => $f,
 223                                         status => $bug,
 224                                         dist => $dist,
 225                                         arch => \@archs_with_source
 226                                 );
 227
 228                                 # ignore bugs that are absent/fixed in this distribution, include everything
 229                                 # else (that is, "found" which says that the bug is present, and undef, which
 230                                 # indicates that no versioning information is present and it's not closed
 231                                 # unversioned)
 232                                 if (!defined($presence) || ($presence ne 'absent' && $presence ne 'fixed')) {
 233                                         $bi->{$dist} = 1;
 234                                         $affects_any = 1;
 235                                 }
 236                         }
 237
 238                         next if !$affects_any;
 239                 }
 240
 241                 for my $keyword (qw(pending patch help moreinfo unreproducible security upstream),
 242                          map {$bugcfg::debian_releases->{$_}.'-ignore'} keys %{$bugcfg::debian_releases}) {
 243                         $bi->{$keyword} = grep(/^$keyword$/, @tags);
 244                 }
 245
 246                 if (length($bug->{'mergedwith'})) {
 247                         my @merged = split(' ', $bug->{'mergedwith'});
 248                         next if ($merged[0] < $f);
 249                 }
 250
 251                 for my $package (split /[,\s]+/, $bug->{'package'}) {
 252                         $_= $package; y/A-Z/a-z/; $_= $` if m/[^-+._:a-z0-9]/;
 253                         push @{$packagelist{$_}}, $f;
 254                 }
 255
 256                 my $taginfo = get_taginfo($bi);
 257                 my $relinfo = get_relinfo($bi);
 258
 259                 $bugs{$f} = $bi;
 260         }
 261 }
 262
 263
 264 sub readstatus {
 265     my $filename = shift;
 266         open STATUS, "<", $filename
 267                 or die "$filename: $!";
 268
 269     while (1) {
 270                 chomp (my $type = <STATUS>);
 271                 if ($type eq 'package') {
 272                         chomp (my $package = <STATUS>);
 273                         chomp (my $section = <STATUS>);
 274                         chomp (my $maintainer = <STATUS>);
 275                         my $blank = <STATUS>;
 276
 277                         $section{$package} = $section;
 278                         $maintainer{$package} = $maintainer;
 279                 }
 280                 if ($type eq 'bug') {
 281                         my $bug = {};
 282                         while (1) {
 283                                 my $line = <STATUS>;
 284                                 last if ($line !~ /^(.*?)=(.*)$/);
 285
 286                                 $bug->{$1} = $2;
 287                         }
 288                         $bugs{$bug->{'number'}} = $bug;
 289
 290                         for my $package (split /[,\s]+/, $bug->{'package'}) {
 291                                 $_= $package; y/A-Z/a-z/; $_= $` if m/[^-+._:a-z0-9]/;
 292                                 push @{$packagelist{$_}}, $bug->{'number'};
 293                         }
 294                 }
 295                 last if ($type eq 'end');
 296         }
 297         close(STATUS);
 298 }
 299
 300
 301 sub urlsanit {
 302         my $url = shift;
 303         $url =~ s/%/%25/g;
 304         $url =~ s/\+/%2b/g;
 305         my %saniarray = ('<','lt', '>','gt', '&','amp', '"','quot');
 306         $url =~ s/([<>&"])/\&$saniarray{$1};/g;
 307         return $url;
 308 }
 309
 310 sub htmlsanit {
 311     my %saniarray = ('<','lt', '>','gt', '&','amp', '"','quot');
 312     my $in = shift || "";
 313     $in =~ s/([<>&"])/\&$saniarray{$1};/g;
 314     return $in;
 315 }
 316
 317 sub wwwnumber() {
 318         my $number = shift;             # Number of bug to html-ize
 319
 320         "<A HREF=\"http://bugs.debian.org/cgi-bin/bugreport.cgi?archive=no&amp;bug=" .
 321                 urlsanit($number) . '">' . htmlsanit($number) . '</A>';
 322 }
 323
 324 sub wwwname() {
 325         my $name = shift;                       # Name of package
 326
 327         "<A HREF=\"http://bugs.debian.org/cgi-bin/pkgreport.cgi?archive=no&amp;pkg=" .
 328                 urlsanit($name) . '">' . htmlsanit($name) . '</A>';
 329 }
 330
 331 sub check_worry {
 332         my ($bi) = @_;
 333
 334         return ($bi->{'testing'} && !$bi->{$bugcfg::debian_releases->{testing}.'-ignore'});
 335 }
 336
 337 sub check_worry_stable {
 338         my ($bi) = @_;
 339
 340         return ($bi->{'stable'} && !$bi->{$bugcfg::debian_releases->{stable}.'-ignore'});
 341 }
 342
 343 sub check_worry_unstable {
 344         my ($bi) = @_;
 345
 346         return ($bi->{'unstable'});
 347 }
 348
 349 sub get_taginfo {
 350     my $bi = shift;
 351
 352         my $taginfo = "";
 353         $taginfo .= $bi->{'pending'}        ? "P" : " ";
 354         $taginfo .= $bi->{'patch'}          ? "+" : " ";
 355         $taginfo .= $bi->{'help'}           ? "H" : " ";
 356         $taginfo .= $bi->{'moreinfo'}       ? "M" : " ";
 357         $taginfo .= $bi->{'unreproducible'} ? "R" : " ";
 358         $taginfo .= $bi->{'security'}       ? "S" : " ";
 359         $taginfo .= $bi->{'upstream'}       ? "U" : " ";
 360         $taginfo .= ($bi->{$bugcfg::debian_releases->{stable}.'-ignore'} || $bi->{$bugcfg::debian_releases->{testing}.'-ignore'}) ? "I" : " ";
 361
 362         return $taginfo;
 363 }
 364
 365 sub get_relinfo {
 366     my $bi = shift;
 367
 368     my $relinfo = "";
 369         for my $dist (qw(oldstable stable testing unstable experimental)) {
 370             $relinfo .= uc(substr($dist, 0, 1)) if $bi->{$dist};
 371         }
 372
 373         return $relinfo;
 374 }
 375
 376
 377 1;