apt-pkg/cdrom.cc

   1 /*
   2  */
   3
   4 #ifdef __GNUG__
   5 #pragma implementation "apt-pkg/cdrom.h"
   6 #endif
   7 #include<apt-pkg/init.h>
   8 #include<apt-pkg/error.h>
   9 #include<apt-pkg/cdromutl.h>
  10 #include<apt-pkg/strutl.h>
  11 #include<apt-pkg/cdrom.h>
  12 #include<sstream>
  13 #include<fstream>
  14 #include<config.h>
  15 #include<apti18n.h>
  16 #include <sys/stat.h>
  17 #include <fcntl.h>
  18 #include <dirent.h>
  19 #include <unistd.h>
  20 #include <stdio.h>
  21
  22
  23 #include "indexcopy.h"
  24
  25 using namespace std;
  26
  27 // FindPackages - Find the package files on the CDROM                   /*{{{*/
  28 // ---------------------------------------------------------------------
  29 /* We look over the cdrom for package files. This is a recursive
  30    search that short circuits when it his a package file in the dir.
  31    This speeds it up greatly as the majority of the size is in the
  32    binary-* sub dirs. */
  33 bool pkgCdrom::FindPackages(string CD,vector<string> &List,
  34                             vector<string> &SList, vector<string> &SigList,
  35                             string &InfoDir, pkgCdromStatus *log,
  36                             unsigned int Depth)
  37 {
  38    static ino_t Inodes[9];
  39
  40    // if we have a look we "pulse" now
  41    if(log)
  42       log->Update();
  43
  44    if (Depth >= 7)
  45       return true;
  46
  47    if (CD[CD.length()-1] != '/')
  48       CD += '/';
  49
  50    if (chdir(CD.c_str()) != 0)
  51       return _error->Errno("chdir","Unable to change to %s",CD.c_str());
  52
  53    // Look for a .disk subdirectory
  54    struct stat Buf;
  55    if (stat(".disk",&Buf) == 0)
  56    {
  57       if (InfoDir.empty() == true)
  58          InfoDir = CD + ".disk/";
  59    }
  60
  61    // Don't look into directories that have been marked to ingore.
  62    if (stat(".aptignr",&Buf) == 0)
  63       return true;
  64
  65
  66    /* Check _first_ for a signature file as apt-cdrom assumes that all files
  67       under a Packages/Source file are in control of that file and stops
  68       the scanning
  69    */
  70    if (stat("Release.gpg",&Buf) == 0)
  71    {
  72       SigList.push_back(CD);
  73    }
  74    /* Aha! We found some package files. We assume that everything under
  75       this dir is controlled by those package files so we don't look down
  76       anymore */
  77    if (stat("Packages",&Buf) == 0 || stat("Packages.gz",&Buf) == 0)
  78    {
  79       List.push_back(CD);
  80
  81       // Continue down if thorough is given
  82       if (_config->FindB("APT::CDROM::Thorough",false) == false)
  83          return true;
  84    }
  85    if (stat("Sources.gz",&Buf) == 0 || stat("Sources",&Buf) == 0)
  86    {
  87       SList.push_back(CD);
  88
  89       // Continue down if thorough is given
  90       if (_config->FindB("APT::CDROM::Thorough",false) == false)
  91          return true;
  92    }
  93
  94    DIR *D = opendir(".");
  95    if (D == 0)
  96       return _error->Errno("opendir","Unable to read %s",CD.c_str());
  97
  98    // Run over the directory
  99    for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D))
 100    {
 101       // Skip some files..
 102       if (strcmp(Dir->d_name,".") == 0 ||
 103           strcmp(Dir->d_name,"..") == 0 ||
 104           //strcmp(Dir->d_name,"source") == 0 ||
 105           strcmp(Dir->d_name,".disk") == 0 ||
 106           strcmp(Dir->d_name,"experimental") == 0 ||
 107           strcmp(Dir->d_name,"binary-all") == 0 ||
 108           strcmp(Dir->d_name,"debian-installer") == 0)
 109          continue;
 110
 111       // See if the name is a sub directory
 112       struct stat Buf;
 113       if (stat(Dir->d_name,&Buf) != 0)
 114          continue;
 115
 116       if (S_ISDIR(Buf.st_mode) == 0)
 117          continue;
 118
 119       unsigned int I;
 120       for (I = 0; I != Depth; I++)
 121          if (Inodes[I] == Buf.st_ino)
 122             break;
 123       if (I != Depth)
 124          continue;
 125
 126       // Store the inodes weve seen
 127       Inodes[Depth] = Buf.st_ino;
 128
 129       // Descend
 130       if (FindPackages(CD + Dir->d_name,List,SList,SigList,InfoDir,log,Depth+1) == false)
 131          break;
 132
 133       if (chdir(CD.c_str()) != 0)
 134          return _error->Errno("chdir","Unable to change to %s",CD.c_str());
 135    };
 136
 137    closedir(D);
 138
 139    return !_error->PendingError();
 140 }
 141
 142 // Score - We compute a 'score' for a path                              /*{{{*/
 143 // ---------------------------------------------------------------------
 144 /* Paths are scored based on how close they come to what I consider
 145    normal. That is ones that have 'dist' 'stable' 'testing' will score
 146    higher than ones without. */
 147 int pkgCdrom::Score(string Path)
 148 {
 149    int Res = 0;
 150    if (Path.find("stable/") != string::npos)
 151       Res += 29;
 152    if (Path.find("/binary-") != string::npos)
 153       Res += 20;
 154    if (Path.find("testing/") != string::npos)
 155       Res += 28;
 156    if (Path.find("unstable/") != string::npos)
 157       Res += 27;
 158    if (Path.find("/dists/") != string::npos)
 159       Res += 40;
 160    if (Path.find("/main/") != string::npos)
 161       Res += 20;
 162    if (Path.find("/contrib/") != string::npos)
 163       Res += 20;
 164    if (Path.find("/non-free/") != string::npos)
 165       Res += 20;
 166    if (Path.find("/non-US/") != string::npos)
 167       Res += 20;
 168    if (Path.find("/source/") != string::npos)
 169       Res += 10;
 170    if (Path.find("/debian/") != string::npos)
 171       Res -= 10;
 172
 173    // check for symlinks in the patch leading to the actual file
 174    // a symlink gets a big penalty
 175    struct stat Buf;
 176    string statPath = flNotFile(Path);
 177    string cdromPath = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
 178    while(statPath != cdromPath && statPath != "./") {
 179       statPath.resize(statPath.size()-1);  // remove the trailing '/'
 180       if (lstat(statPath.c_str(),&Buf) == 0) {
 181         if(S_ISLNK(Buf.st_mode)) {
 182            Res -= 60;
 183            break;
 184         }
 185       }
 186       statPath = flNotFile(statPath); // descent
 187    }
 188
 189    return Res;
 190 }
 191
 192                                                                         /*}}}*/
 193 // DropBinaryArch - Dump dirs with a string like /binary-<foo>/         /*{{{*/
 194 // ---------------------------------------------------------------------
 195 /* Here we drop everything that is not this machines arch */
 196 bool pkgCdrom::DropBinaryArch(vector<string> &List)
 197 {
 198    char S[300];
 199    snprintf(S,sizeof(S),"/binary-%s/",
 200             _config->Find("Apt::Architecture").c_str());
 201
 202    for (unsigned int I = 0; I < List.size(); I++)
 203    {
 204       const char *Str = List[I].c_str();
 205
 206       const char *Res;
 207       if ((Res = strstr(Str,"/binary-")) == 0)
 208          continue;
 209
 210       // Weird, remove it.
 211       if (strlen(Res) < strlen(S))
 212       {
 213          List.erase(List.begin() + I);
 214          I--;
 215          continue;
 216       }
 217
 218       // See if it is our arch
 219       if (stringcmp(Res,Res + strlen(S),S) == 0)
 220          continue;
 221
 222       // Erase it
 223       List.erase(List.begin() + I);
 224       I--;
 225    }
 226
 227    return true;
 228 }
 229
 230
 231 // DropRepeats - Drop repeated files resulting from symlinks            /*{{{*/
 232 // ---------------------------------------------------------------------
 233 /* Here we go and stat every file that we found and strip dup inodes. */
 234 bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
 235 {
 236    // Get a list of all the inodes
 237    ino_t *Inodes = new ino_t[List.size()];
 238    for (unsigned int I = 0; I != List.size(); I++)
 239    {
 240       struct stat Buf;
 241       if (stat((List[I] + Name).c_str(),&Buf) != 0 &&
 242           stat((List[I] + Name + ".gz").c_str(),&Buf) != 0)
 243          _error->Errno("stat","Failed to stat %s%s",List[I].c_str(),
 244                        Name);
 245       Inodes[I] = Buf.st_ino;
 246    }
 247
 248    if (_error->PendingError() == true)
 249       return false;
 250
 251    // Look for dups
 252    for (unsigned int I = 0; I != List.size(); I++)
 253    {
 254       for (unsigned int J = I+1; J < List.size(); J++)
 255       {
 256          // No match
 257          if (Inodes[J] != Inodes[I])
 258             continue;
 259
 260          // We score the two paths.. and erase one
 261          int ScoreA = Score(List[I]);
 262          int ScoreB = Score(List[J]);
 263          if (ScoreA < ScoreB)
 264          {
 265             List[I] = string();
 266             break;
 267          }
 268
 269          List[J] = string();
 270       }
 271    }
 272
 273    // Wipe erased entries
 274    for (unsigned int I = 0; I < List.size();)
 275    {
 276       if (List[I].empty() == false)
 277          I++;
 278       else
 279          List.erase(List.begin()+I);
 280    }
 281
 282    return true;
 283 }
 284                                                                         /*}}}*/
 285
 286 // ReduceSourceList - Takes the path list and reduces it                /*{{{*/
 287 // ---------------------------------------------------------------------
 288 /* This takes the list of source list expressed entires and collects
 289    similar ones to form a single entry for each dist */
 290 void pkgCdrom::ReduceSourcelist(string CD,vector<string> &List)
 291 {
 292    sort(List.begin(),List.end());
 293
 294    // Collect similar entries
 295    for (vector<string>::iterator I = List.begin(); I != List.end(); I++)
 296    {
 297       // Find a space..
 298       string::size_type Space = (*I).find(' ');
 299       if (Space == string::npos)
 300          continue;
 301       string::size_type SSpace = (*I).find(' ',Space + 1);
 302       if (SSpace == string::npos)
 303          continue;
 304
 305       string Word1 = string(*I,Space,SSpace-Space);
 306       string Prefix = string(*I,0,Space);
 307       for (vector<string>::iterator J = List.begin(); J != I; J++)
 308       {
 309          // Find a space..
 310          string::size_type Space2 = (*J).find(' ');
 311          if (Space2 == string::npos)
 312             continue;
 313          string::size_type SSpace2 = (*J).find(' ',Space2 + 1);
 314          if (SSpace2 == string::npos)
 315             continue;
 316
 317          if (string(*J,0,Space2) != Prefix)
 318             continue;
 319          if (string(*J,Space2,SSpace2-Space2) != Word1)
 320             continue;
 321
 322          *J += string(*I,SSpace);
 323          *I = string();
 324       }
 325    }
 326
 327    // Wipe erased entries
 328    for (unsigned int I = 0; I < List.size();)
 329    {
 330       if (List[I].empty() == false)
 331          I++;
 332       else
 333          List.erase(List.begin()+I);
 334    }
 335 }
 336                                                                         /*}}}*/
 337 // WriteDatabase - Write the CDROM Database file                        /*{{{*/
 338 // ---------------------------------------------------------------------
 339 /* We rewrite the configuration class associated with the cdrom database. */
 340 bool pkgCdrom::WriteDatabase(Configuration &Cnf)
 341 {
 342    string DFile = _config->FindFile("Dir::State::cdroms");
 343    string NewFile = DFile + ".new";
 344
 345    unlink(NewFile.c_str());
 346    ofstream Out(NewFile.c_str());
 347    if (!Out)
 348       return _error->Errno("ofstream::ofstream",
 349                            "Failed to open %s.new",DFile.c_str());
 350
 351    /* Write out all of the configuration directives by walking the
 352       configuration tree */
 353    const Configuration::Item *Top = Cnf.Tree(0);
 354    for (; Top != 0;)
 355    {
 356       // Print the config entry
 357       if (Top->Value.empty() == false)
 358          Out <<  Top->FullTag() + " \"" << Top->Value << "\";" << endl;
 359
 360       if (Top->Child != 0)
 361       {
 362          Top = Top->Child;
 363          continue;
 364       }
 365
 366       while (Top != 0 && Top->Next == 0)
 367          Top = Top->Parent;
 368       if (Top != 0)
 369          Top = Top->Next;
 370    }
 371
 372    Out.close();
 373
 374    rename(DFile.c_str(),string(DFile + '~').c_str());
 375    if (rename(NewFile.c_str(),DFile.c_str()) != 0)
 376       return _error->Errno("rename","Failed to rename %s.new to %s",
 377                            DFile.c_str(),DFile.c_str());
 378
 379    return true;
 380 }
 381                                                                         /*}}}*/
 382 // WriteSourceList - Write an updated sourcelist                        /*{{{*/
 383 // ---------------------------------------------------------------------
 384 /* This reads the old source list and copies it into the new one. It
 385    appends the new CDROM entires just after the first block of comments.
 386    This places them first in the file. It also removes any old entries
 387    that were the same. */
 388 bool pkgCdrom::WriteSourceList(string Name,vector<string> &List,bool Source)
 389 {
 390    if (List.size() == 0)
 391       return true;
 392
 393    string File = _config->FindFile("Dir::Etc::sourcelist");
 394
 395    // Open the stream for reading
 396    ifstream F((FileExists(File)?File.c_str():"/dev/null"),
 397               ios::in );
 398    if (!F != 0)
 399       return _error->Errno("ifstream::ifstream","Opening %s",File.c_str());
 400
 401    string NewFile = File + ".new";
 402    unlink(NewFile.c_str());
 403    ofstream Out(NewFile.c_str());
 404    if (!Out)
 405       return _error->Errno("ofstream::ofstream",
 406                            "Failed to open %s.new",File.c_str());
 407
 408    // Create a short uri without the path
 409    string ShortURI = "cdrom:[" + Name + "]/";
 410    string ShortURI2 = "cdrom:" + Name + "/";     // For Compatibility
 411
 412    string Type;
 413    if (Source == true)
 414       Type = "deb-src";
 415    else
 416       Type = "deb";
 417
 418    char Buffer[300];
 419    int CurLine = 0;
 420    bool First = true;
 421    while (F.eof() == false)
 422    {
 423       F.getline(Buffer,sizeof(Buffer));
 424       CurLine++;
 425       _strtabexpand(Buffer,sizeof(Buffer));
 426       _strstrip(Buffer);
 427
 428       // Comment or blank
 429       if (Buffer[0] == '#' || Buffer[0] == 0)
 430       {
 431          Out << Buffer << endl;
 432          continue;
 433       }
 434
 435       if (First == true)
 436       {
 437          for (vector<string>::iterator I = List.begin(); I != List.end(); I++)
 438          {
 439             string::size_type Space = (*I).find(' ');
 440             if (Space == string::npos)
 441                return _error->Error("Internal error");
 442             Out << Type << " cdrom:[" << Name << "]/" << string(*I,0,Space) <<
 443                " " << string(*I,Space+1) << endl;
 444          }
 445       }
 446       First = false;
 447
 448       // Grok it
 449       string cType;
 450       string URI;
 451       const char *C = Buffer;
 452       if (ParseQuoteWord(C,cType) == false ||
 453           ParseQuoteWord(C,URI) == false)
 454       {
 455          Out << Buffer << endl;
 456          continue;
 457       }
 458
 459       // Emit lines like this one
 460       if (cType != Type || (string(URI,0,ShortURI.length()) != ShortURI &&
 461           string(URI,0,ShortURI.length()) != ShortURI2))
 462       {
 463          Out << Buffer << endl;
 464          continue;
 465       }
 466    }
 467
 468    // Just in case the file was empty
 469    if (First == true)
 470    {
 471       for (vector<string>::iterator I = List.begin(); I != List.end(); I++)
 472       {
 473          string::size_type Space = (*I).find(' ');
 474          if (Space == string::npos)
 475             return _error->Error("Internal error");
 476
 477          Out << "deb cdrom:[" << Name << "]/" << string(*I,0,Space) <<
 478             " " << string(*I,Space+1) << endl;
 479       }
 480    }
 481
 482    Out.close();
 483
 484    rename(File.c_str(),string(File + '~').c_str());
 485    if (rename(NewFile.c_str(),File.c_str()) != 0)
 486       return _error->Errno("rename","Failed to rename %s.new to %s",
 487                            File.c_str(),File.c_str());
 488
 489    return true;
 490 }
 491
 492
 493 bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log)
 494 {
 495    stringstream msg;
 496
 497    // Startup
 498    string CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
 499    if (CDROM[0] == '.')
 500       CDROM= SafeGetCWD() + '/' + CDROM;
 501
 502    if(log) {
 503       msg.str("");
 504       ioprintf(msg, _("Using CD-ROM mount point %s\nMounting CD-ROM\n"),
 505                       CDROM.c_str());
 506       log->Update(msg.str());
 507    }
 508    if (MountCdrom(CDROM) == false)
 509       return _error->Error("Failed to mount the cdrom.");
 510
 511    // Hash the CD to get an ID
 512    if(log)
 513       log->Update(_("Identifying.. "));
 514
 515
 516    if (IdentCdrom(CDROM,ident) == false)
 517    {
 518       ident = "";
 519       return false;
 520    }
 521
 522    msg.str("");
 523    ioprintf(msg, "[%s]\n",ident.c_str());
 524    log->Update(msg.str());
 525
 526
 527    // Read the database
 528    Configuration Database;
 529    string DFile = _config->FindFile("Dir::State::cdroms");
 530    if (FileExists(DFile) == true)
 531    {
 532       if (ReadConfigFile(Database,DFile) == false)
 533          return _error->Error("Unable to read the cdrom database %s",
 534                               DFile.c_str());
 535    }
 536    if(log) {
 537       msg.str("");
 538       ioprintf(msg, _("Stored Label: %s \n"),
 539                Database.Find("CD::"+ident).c_str());
 540       log->Update(msg.str());
 541    }
 542    return true;
 543 }
 544
 545
 546 bool pkgCdrom::Add(pkgCdromStatus *log)
 547 {
 548    stringstream msg;
 549
 550    // Startup
 551    string CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
 552    if (CDROM[0] == '.')
 553       CDROM= SafeGetCWD() + '/' + CDROM;
 554
 555    if(log) {
 556       log->SetTotal(STEP_LAST);
 557       msg.str("");
 558       ioprintf(msg, _("Using CD-ROM mount point %s\n"), CDROM.c_str());
 559       log->Update(msg.str(), STEP_PREPARE);
 560    }
 561
 562    // Read the database
 563    Configuration Database;
 564    string DFile = _config->FindFile("Dir::State::cdroms");
 565    if (FileExists(DFile) == true)
 566    {
 567       if (ReadConfigFile(Database,DFile) == false)
 568          return _error->Error("Unable to read the cdrom database %s",
 569                               DFile.c_str());
 570    }
 571
 572    // Unmount the CD and get the user to put in the one they want
 573    if (_config->FindB("APT::CDROM::NoMount",false) == false)
 574    {
 575       if(log)
 576          log->Update(_("Unmounting CD-ROM\n"), STEP_UNMOUNT);
 577       UnmountCdrom(CDROM);
 578
 579       if(log) {
 580          log->Update(_("Waiting for disc...\n"), STEP_WAIT);
 581          if(!log->ChangeCdrom()) {
 582             // user aborted
 583             return false;
 584          }
 585       }
 586
 587       // Mount the new CDROM
 588       log->Update(_("Mounting CD-ROM...\n"), STEP_MOUNT);
 589       if (MountCdrom(CDROM) == false)
 590          return _error->Error("Failed to mount the cdrom.");
 591    }
 592
 593    // Hash the CD to get an ID
 594    if(log)
 595       log->Update(_("Identifying.. "), STEP_IDENT);
 596    string ID;
 597    if (IdentCdrom(CDROM,ID) == false)
 598    {
 599       log->Update("\n");
 600       return false;
 601    }
 602    if(log)
 603       log->Update("["+ID+"]\n");
 604
 605    if(log)
 606       log->Update(_("Scanning Disc for index files..\n"),STEP_SCAN);
 607
 608    // Get the CD structure
 609    vector<string> List;
 610    vector<string> SourceList;
 611    vector<string> SigList;
 612    string StartDir = SafeGetCWD();
 613    string InfoDir;
 614    if (FindPackages(CDROM,List,SourceList, SigList,InfoDir,log) == false)
 615    {
 616       log->Update("\n");
 617       return false;
 618    }
 619
 620    chdir(StartDir.c_str());
 621
 622    if (_config->FindB("Debug::aptcdrom",false) == true)
 623    {
 624       cout << "I found (binary):" << endl;
 625       for (vector<string>::iterator I = List.begin(); I != List.end(); I++)
 626          cout << *I << endl;
 627       cout << "I found (source):" << endl;
 628       for (vector<string>::iterator I = SourceList.begin(); I != SourceList.end(); I++)
 629          cout << *I << endl;
 630       cout << "I found (Signatures):" << endl;
 631       for (vector<string>::iterator I = SigList.begin(); I != SigList.end(); I++)
 632          cout << *I << endl;
 633    }
 634
 635    //log->Update(_("Cleaning package lists..."), STEP_CLEAN);
 636
 637    // Fix up the list
 638    DropBinaryArch(List);
 639    DropRepeats(List,"Packages");
 640    DropRepeats(SourceList,"Sources");
 641    DropRepeats(SigList,"Release.gpg");
 642    if(log) {
 643       msg.str("");
 644       ioprintf(msg, _("Found %i package indexes, %i source indexes and "
 645                       "%i signatures\n"),
 646                List.size(), SourceList.size(), SigList.size());
 647       log->Update(msg.str(), STEP_SCAN);
 648    }
 649
 650    if (List.size() == 0 && SourceList.size() == 0)
 651       return _error->Error("Unable to locate any package files, perhaps this is not a Debian Disc");
 652
 653    // Check if the CD is in the database
 654    string Name;
 655    if (Database.Exists("CD::" + ID) == false ||
 656        _config->FindB("APT::CDROM::Rename",false) == true)
 657    {
 658       // Try to use the CDs label if at all possible
 659       if (InfoDir.empty() == false &&
 660           FileExists(InfoDir + "/info") == true)
 661       {
 662          ifstream F(string(InfoDir + "/info").c_str());
 663          if (!F == 0)
 664             getline(F,Name);
 665
 666          if (Name.empty() == false)
 667          {
 668             // Escape special characters
 669             string::iterator J = Name.begin();
 670             for (; J != Name.end(); J++)
 671                if (*J == '"' || *J == ']' || *J == '[')
 672                   *J = '_';
 673
 674             if(log) {
 675                msg.str("");
 676                ioprintf(msg, "Found label '%s'\n", Name.c_str());
 677                log->Update(msg.str());
 678             }
 679             Database.Set("CD::" + ID + "::Label",Name);
 680          }
 681       }
 682
 683       if (_config->FindB("APT::CDROM::Rename",false) == true ||
 684           Name.empty() == true)
 685       {
 686          if(!log)
 687             return _error->Error("No disc name found and no way to ask for it");
 688
 689          while(true) {
 690             if(!log->AskCdromName(Name)) {
 691                // user canceld
 692                return false;
 693             }
 694             cout << "Name: '" << Name << "'" << endl;
 695
 696             if (Name.empty() == false &&
 697                 Name.find('"') == string::npos &&
 698                 Name.find('[') == string::npos &&
 699                 Name.find(']') == string::npos)
 700                break;
 701             log->Update(_("That is not a valid name, try again.\n"));
 702          }
 703       }
 704    }
 705    else
 706       Name = Database.Find("CD::" + ID);
 707
 708    // Escape special characters
 709    string::iterator J = Name.begin();
 710    for (; J != Name.end(); J++)
 711       if (*J == '"' || *J == ']' || *J == '[')
 712          *J = '_';
 713
 714    Database.Set("CD::" + ID,Name);
 715    if(log) {
 716       msg.str("");
 717       ioprintf(msg, _("This Disc is called: \n'%s'\n"), Name.c_str());
 718       log->Update(msg.str());
 719    }
 720
 721    log->Update(_("Copying package lists..."), STEP_COPY);
 722    // take care of the signatures and copy them if they are ok
 723    // (we do this before PackageCopy as it modifies "List" and "SourceList")
 724    SigVerify SignVerify;
 725    SignVerify.CopyAndVerify(CDROM, Name, SigList, List, SourceList);
 726
 727    // Copy the package files to the state directory
 728    PackageCopy Copy;
 729    SourceCopy SrcCopy;
 730    if (Copy.CopyPackages(CDROM,Name,List, log) == false ||
 731        SrcCopy.CopyPackages(CDROM,Name,SourceList, log) == false)
 732       return false;
 733
 734    // reduce the List so that it takes less space in sources.list
 735    ReduceSourcelist(CDROM,List);
 736    ReduceSourcelist(CDROM,SourceList);
 737
 738    // Write the database and sourcelist
 739    if (_config->FindB("APT::cdrom::NoAct",false) == false)
 740    {
 741       if (WriteDatabase(Database) == false)
 742          return false;
 743
 744       if(log) {
 745          log->Update(_("Writing new source list\n"), STEP_WRITE);
 746       }
 747       if (WriteSourceList(Name,List,false) == false ||
 748           WriteSourceList(Name,SourceList,true) == false)
 749          return false;
 750    }
 751
 752    // Print the sourcelist entries
 753    if(log)
 754       log->Update(_("Source List entries for this Disc are:\n"));
 755
 756    for (vector<string>::iterator I = List.begin(); I != List.end(); I++)
 757    {
 758       string::size_type Space = (*I).find(' ');
 759       if (Space == string::npos)
 760          return _error->Error("Internal error");
 761
 762       if(log) {
 763          msg.str("");
 764          msg << "deb cdrom:[" << Name << "]/" << string(*I,0,Space) <<
 765             " " << string(*I,Space+1) << endl;
 766          log->Update(msg.str());
 767       }
 768    }
 769
 770    for (vector<string>::iterator I = SourceList.begin(); I != SourceList.end(); I++)
 771    {
 772       string::size_type Space = (*I).find(' ');
 773       if (Space == string::npos)
 774          return _error->Error("Internal error");
 775
 776       if(log) {
 777          msg.str("");
 778          msg << "deb-src cdrom:[" << Name << "]/" << string(*I,0,Space) <<
 779             " " << string(*I,Space+1) << endl;
 780          log->Update(msg.str());
 781       }
 782    }
 783
 784
 785
 786    // Unmount and finish
 787    if (_config->FindB("APT::CDROM::NoMount",false) == false) {
 788       log->Update(_("Unmounting CD-ROM..."), STEP_LAST);
 789       UnmountCdrom(CDROM);
 790    }
 791
 792    return true;
 793 }