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 Debbugs::Common qw(open_compressed_file);
  23 use Fcntl qw(O_RDONLY);
  24
  25 use File::Basename;
  26 use lib dirname(__FILE__);
  27 use bugcfg;
  28
  29 package scanlib;
  30
  31 our (%maintainer,%section,%packagelist,%debbugssection,%bugs);
  32
  33
  34 # Read the list of maintainer
  35 sub readmaintainers() {
  36         my $pkg;                                        # Name of package
  37         my $mnt;                                        # Maintainer name & email
  38
  39         open(M, $bugcfg::maintainerlist) or die "open $bugcfg::maintainerlist: $!\n";
  40         while (<M>) {
  41                 chomp;
  42                 m/^(\S+)\s+(\S.*\S)\s*$/ or die "Maintainers: $_ ?";
  43                 ($pkg, $mnt) = ($1, $2);
  44                 $pkg =~ y/A-Z/a-z/;                     # Normalize package-name. why???
  45                 $_=$mnt;
  46                 if (not m/</) {
  47                         $mnt="$2 <$1>" if ( m/(\S+)\s+\(([^)]+)\)/ );
  48                 }
  49                 $maintainer{$pkg}= $mnt;
  50         }
  51         close(M);
  52 }
  53
  54 sub glob_compressed_fh {
  55     my ($fn) = @_;
  56     my @fn = grep { -f $_ } glob $fn;
  57     if (not @fn) {
  58         die "No files exist which match glob '$fn'";
  59     }
  60     my $fh = Debbugs::Common::open_compressed_file($fn[0]) or
  61         die "Unable to open $fn for reading: $!";
  62     return $fh;
  63 }
  64
  65
  66 sub readsources {
  67     my ($root,$archive) = @_;
  68
  69         for my $sect (@bugcfg::sections) {
  70         my $p = glob_compressed_fh("$root/$sect/source/Sources.*");
  71                 while (<$p>) {
  72                         chomp;
  73                         next unless m/^Package:\s/;
  74                         s/^Package:\s*//;                       # Strip the fieldname
  75                         $section{$_} = "$archive/$sect";
  76                 }
  77                 close ($p);
  78         }
  79 }
  80
  81 sub readpackages {
  82     my ($root,$archive) = @_;
  83         for my $arch ( @bugcfg::architectures ) {
  84                 for my $sect ( @bugcfg::sections) {
  85             my $p = glob_compressed_fh("$root/$sect/binary-$arch/Packages.*");
  86                         while (<$p>) {
  87                                 chomp;
  88                                 next unless m/^Package:\s/;     # We're only interested in the packagenames
  89                                 s/^Package:\s*//;                       # Strip the fieldname
  90                                 $section{$_} = "$archive/$sect";
  91                                 print "$root/$sect/binary-$arch/Packages.gz\n" if ($_ eq 'xtla');
  92                         }
  93                         close($p);
  94                 }
  95         }
  96     # handle the source packages
  97     for my $sect (@bugcfg::sections) {
  98         my $fh = glob_compressed_fh("$root/$sect/source/Sources.*");
  99         while (<$fh>) {
 100             chomp;
 101             next unless m/^Package:\s/; # We're only interested in the packagenames
 102             s/^Package:\s*//;                   # Strip the fieldname
 103             $section{$_} = "$archive/$sect";
 104         }
 105     }
 106 }
 107
 108 sub readdebbugssources {
 109     my ($file,$archive) = @_;
 110
 111         open(P, $file)
 112                 or die "open: $file: $!\n";
 113         while (<P>) {
 114                 chomp;
 115                 my ($host, $bin, $sect, $ver, $src) = split /\s+/;
 116                 my $sectname = ($sect =~ /^\Q$archive/) ? $sect : "$archive/$sect";
 117                 $debbugssection{$bin} = $sectname;
 118                 $debbugssection{$src} = $sectname;
 119         }
 120         close(P);
 121 }
 122
 123 sub readpseudopackages() {
 124         open(P, $bugcfg::pseudolist) or die("open $bugcfg::pseudolist: $!\n");
 125         while (<P>) {
 126                 chomp;
 127                 s/\s.*//;
 128                 $section{$_} = "pseudo";
 129         }
 130         close(P);
 131 }
 132
 133
 134 sub scanspool() {
 135         my @dirs;
 136         my $dir;
 137
 138         chdir($bugcfg::spooldir) or die "chdir $bugcfg::spooldir: $!\n";
 139
 140         opendir(DIR, $bugcfg::spooldir) or die "opendir $bugcfg::spooldir: $!\n";
 141         @dirs=grep(m/^\d+$/,readdir(DIR));
 142         closedir(DIR);
 143
 144         for $dir (@dirs) {
 145                 scanspooldir("$bugcfg::spooldir/$dir");
 146         }
 147
 148 }
 149
 150 sub scanspooldir {
 151         my ($dir)               = @_;
 152         my $f;                  # While we're currently processing
 153         my @list;               # List of files to process
 154         my $skip;               # Flow control
 155         my $walk;               # index variable
 156         my $taginfo;    # Tag info
 157
 158         my @archs_with_source = ( @bugcfg::architectures, 'source' );
 159
 160         chdir($dir) or die "chdir $dir: $!\n";
 161
 162         opendir(DIR, $dir) or die "opendir $dir: $!\n";
 163         @list = grep { s/\.summary$// }
 164                         grep { m/^\d+\.summary$/ }
 165                         readdir(DIR);
 166         closedir(DIR);
 167
 168         for $f (@list) {
 169                 my $bug = Debbugs::Status::read_bug(summary => "$f.summary");
 170                 next if (!defined($bug));
 171
 172                 my $bi = {
 173                         number => $f,
 174                         subject => $bug->{'subject'},
 175                         package => $bug->{'package'}
 176                 };
 177
 178                 $skip=1;
 179                 for $walk (@bugcfg::priorities) {
 180                         $skip=0 if $walk eq $bug->{'severity'};
 181                 }
 182
 183                 my @tags = split(' ', $bug->{'keywords'});
 184                 for my $tag (@tags) {
 185                         for my $s (@bugcfg::skiptags) {
 186                                 $skip=1 if $tag eq $s;
 187                         }
 188                 }
 189                 next if $skip==1;
 190
 191                 my %disttags = ();
 192         for my $release (qw(oldstable stable testing unstable)) {
 193             $disttags{$release}    = grep(/^$bugcfg::debian_releases->{$release}$/, @tags);
 194         }
 195                 $disttags{'experimental'} = grep(/^experimental$/, @tags);
 196
 197                 # default according to vorlon 2007-06-17
 198                 if (!$disttags{'oldstable'} && !$disttags{'stable'} && !$disttags{'testing'} && !$disttags{'unstable'} && !$disttags{'experimental'}) {
 199                         $disttags{'stable'} = 1;
 200                         $disttags{'testing'} = 1;
 201                         $disttags{'unstable'} = 1;
 202                         $disttags{'experimental'} = 1;
 203                 }
 204
 205                 if (defined($section{$bug->{'package'}}) && $section{$bug->{'package'}} eq 'pseudo') {
 206                         # versioning information makes no sense for pseudo packages,
 207                         # just use the tags
 208                         for my $dist (qw(oldstable stable testing unstable experimental)) {
 209                                 $bi->{$dist} = $disttags{$dist};
 210                         }
 211                         next if (length($bug->{'done'}));
 212                 } else {
 213                         my $affects_any = 0;
 214
 215                         # only bother to check the versioning status for the distributions indicated by the tags
 216                         for my $dist (qw(oldstable stable testing unstable experimental)) {
 217                                 local $SIG{__WARN__} = sub {};
 218
 219                                 $bi->{$dist} = 0;
 220                                 next if (!$disttags{$dist});
 221
 222                                 my $presence = Debbugs::Status::bug_presence(
 223                                         bug => $f,
 224                                         status => $bug,
 225                                         dist => $dist,
 226                                         arch => \@archs_with_source
 227                                 );
 228
 229                                 # ignore bugs that are absent/fixed in this distribution, include everything
 230                                 # else (that is, "found" which says that the bug is present, and undef, which
 231                                 # indicates that no versioning information is present and it's not closed
 232                                 # unversioned)
 233                                 if (!defined($presence) || ($presence ne 'absent' && $presence ne 'fixed')) {
 234                                         $bi->{$dist} = 1;
 235                                         $affects_any = 1;
 236                                 }
 237                         }
 238
 239                         next if !$affects_any;
 240                 }
 241
 242                 for my $keyword (qw(pending patch help moreinfo unreproducible security upstream),
 243                          map {$bugcfg::debian_releases->{$_}.'-ignore'} keys %{$bugcfg::debian_releases}) {
 244                         $bi->{$keyword} = grep(/^$keyword$/, @tags);
 245                 }
 246
 247                 if (length($bug->{'mergedwith'})) {
 248                         my @merged = split(' ', $bug->{'mergedwith'});
 249                         next if ($merged[0] < $f);
 250                 }
 251
 252                 for my $package (split /[,\s]+/, $bug->{'package'}) {
 253                         $_= $package; y/A-Z/a-z/; $_= $` if m/[^-+._:a-z0-9]/;
 254                         push @{$packagelist{$_}}, $f;
 255                 }
 256
 257                 my $taginfo = get_taginfo($bi);
 258                 my $relinfo = get_relinfo($bi);
 259
 260                 $bugs{$f} = $bi;
 261         }
 262 }
 263
 264
 265 sub readstatus {
 266     my $filename = shift;
 267         open STATUS, "<", $filename
 268                 or die "$filename: $!";
 269
 270     while (1) {
 271                 chomp (my $type = <STATUS>);
 272                 if ($type eq 'package') {
 273                         chomp (my $package = <STATUS>);
 274                         chomp (my $section = <STATUS>);
 275                         chomp (my $maintainer = <STATUS>);
 276                         my $blank = <STATUS>;
 277
 278                         $section{$package} = $section;
 279                         $maintainer{$package} = $maintainer;
 280                 }
 281                 if ($type eq 'bug') {
 282                         my $bug = {};
 283                         while (1) {
 284                                 my $line = <STATUS>;
 285                                 last if ($line !~ /^(.*?)=(.*)$/);
 286
 287                                 $bug->{$1} = $2;
 288                         }
 289                         $bugs{$bug->{'number'}} = $bug;
 290
 291                         for my $package (split /[,\s]+/, $bug->{'package'}) {
 292                                 $_= $package; y/A-Z/a-z/; $_= $` if m/[^-+._:a-z0-9]/;
 293                                 push @{$packagelist{$_}}, $bug->{'number'};
 294                         }
 295                 }
 296                 last if ($type eq 'end');
 297         }
 298         close(STATUS);
 299 }
 300
 301
 302 sub urlsanit {
 303         my $url = shift;
 304         $url =~ s/%/%25/g;
 305         $url =~ s/\+/%2b/g;
 306         my %saniarray = ('<','lt', '>','gt', '&','amp', '"','quot');
 307         $url =~ s/([<>&"])/\&$saniarray{$1};/g;
 308         return $url;
 309 }
 310
 311 sub htmlsanit {
 312     my %saniarray = ('<','lt', '>','gt', '&','amp', '"','quot');
 313     my $in = shift || "";
 314     $in =~ s/([<>&"])/\&$saniarray{$1};/g;
 315     return $in;
 316 }
 317
 318 sub wwwnumber {
 319         my $number = shift;             # Number of bug to html-ize
 320
 321         "<A HREF=\"http://bugs.debian.org/cgi-bin/bugreport.cgi?archive=no&amp;bug=" .
 322                 urlsanit($number) . '">' . htmlsanit($number) . '</A>';
 323 }
 324
 325 sub wwwname {
 326         my $name = shift;                       # Name of package
 327
 328         "<A HREF=\"http://bugs.debian.org/cgi-bin/pkgreport.cgi?archive=no&amp;pkg=" .
 329                 urlsanit($name) . '">' . htmlsanit($name) . '</A>';
 330 }
 331
 332 sub check_worry {
 333         my ($bi,$dist) = @_;
 334     $dist = 'testing' if not defined $dist;
 335
 336         return ($bi->{$dist} && !$bi->{$bugcfg::debian_releases->{$dist}.'-ignore'});
 337 }
 338
 339 sub check_worry_testing {
 340     return check_worry($_[0],'testing');
 341 }
 342 sub check_worry_stable {
 343     return check_worry($_[0],'stable');
 344 }
 345 sub check_worry_oldstable {
 346     return check_worry($_[0],'oldstable');
 347 }
 348
 349 sub check_worry_unstable {
 350         my ($bi) = @_;
 351
 352         return ($bi->{'unstable'});
 353 }
 354
 355 sub get_taginfo {
 356     my $bi = shift;
 357
 358         my $taginfo = "";
 359         $taginfo .= $bi->{'pending'}        ? "P" : " ";
 360         $taginfo .= $bi->{'patch'}          ? "+" : " ";
 361         $taginfo .= $bi->{'help'}           ? "H" : " ";
 362         $taginfo .= $bi->{'moreinfo'}       ? "M" : " ";
 363         $taginfo .= $bi->{'unreproducible'} ? "R" : " ";
 364         $taginfo .= $bi->{'security'}       ? "S" : " ";
 365         $taginfo .= $bi->{'upstream'}       ? "U" : " ";
 366         $taginfo .= ($bi->{$bugcfg::debian_releases->{stable}.'-ignore'} || $bi->{$bugcfg::debian_releases->{testing}.'-ignore'}) ? "I" : " ";
 367
 368         return $taginfo;
 369 }
 370
 371 sub get_relinfo {
 372     my $bi = shift;
 373
 374     my $relinfo = "";
 375         for my $dist (qw(oldstable stable testing unstable experimental)) {
 376             $relinfo .= uc(substr($dist, 0, 1)) if $bi->{$dist};
 377         }
 378
 379         return $relinfo;
 380 }
 381
 382
 383 1;