]>
git.saurik.com Git - apt.git/blob - apt-pkg/cdrom.cc
5 #pragma implementation "apt-pkg/cdrom.h"
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>
23 #include "indexcopy.h"
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
33 bool pkgCdrom::FindPackages(string CD
,vector
<string
> &List
,
34 vector
<string
> &SList
, vector
<string
> &SigList
,
35 string
&InfoDir
, pkgCdromStatus
*log
,
38 static ino_t Inodes
[9];
40 // if we have a look we "pulse" now
47 if (CD
[CD
.length()-1] != '/')
50 if (chdir(CD
.c_str()) != 0)
51 return _error
->Errno("chdir","Unable to change to %s",CD
.c_str());
53 // Look for a .disk subdirectory
55 if (stat(".disk",&Buf
) == 0)
57 if (InfoDir
.empty() == true)
58 InfoDir
= CD
+ ".disk/";
61 // Don't look into directories that have been marked to ingore.
62 if (stat(".aptignr",&Buf
) == 0)
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
70 if (stat("Release.gpg",&Buf
) == 0)
72 SigList
.push_back(CD
);
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
77 if (stat("Packages",&Buf
) == 0 || stat("Packages.gz",&Buf
) == 0)
81 // Continue down if thorough is given
82 if (_config
->FindB("APT::CDROM::Thorough",false) == false)
85 if (stat("Sources.gz",&Buf
) == 0 || stat("Sources",&Buf
) == 0)
89 // Continue down if thorough is given
90 if (_config
->FindB("APT::CDROM::Thorough",false) == false)
94 DIR *D
= opendir(".");
96 return _error
->Errno("opendir","Unable to read %s",CD
.c_str());
98 // Run over the directory
99 for (struct dirent
*Dir
= readdir(D
); Dir
!= 0; Dir
= readdir(D
))
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)
111 // See if the name is a sub directory
113 if (stat(Dir
->d_name
,&Buf
) != 0)
116 if (S_ISDIR(Buf
.st_mode
) == 0)
120 for (I
= 0; I
!= Depth
; I
++)
121 if (Inodes
[I
] == Buf
.st_ino
)
126 // Store the inodes weve seen
127 Inodes
[Depth
] = Buf
.st_ino
;
130 if (FindPackages(CD
+ Dir
->d_name
,List
,SList
,SigList
,InfoDir
,log
,Depth
+1) == false)
133 if (chdir(CD
.c_str()) != 0)
134 return _error
->Errno("chdir","Unable to change to %s",CD
.c_str());
139 return !_error
->PendingError();
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
)
150 if (Path
.find("stable/") != string::npos
)
152 if (Path
.find("/binary-") != string::npos
)
154 if (Path
.find("testing/") != string::npos
)
156 if (Path
.find("unstable/") != string::npos
)
158 if (Path
.find("/dists/") != string::npos
)
160 if (Path
.find("/main/") != string::npos
)
162 if (Path
.find("/contrib/") != string::npos
)
164 if (Path
.find("/non-free/") != string::npos
)
166 if (Path
.find("/non-US/") != string::npos
)
168 if (Path
.find("/source/") != string::npos
)
170 if (Path
.find("/debian/") != string::npos
)
173 // check for symlinks in the patch leading to the actual file
174 // a symlink gets a big penalty
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
)) {
186 statPath
= flNotFile(statPath
); // descent
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
)
199 snprintf(S
,sizeof(S
),"/binary-%s/",
200 _config
->Find("Apt::Architecture").c_str());
202 for (unsigned int I
= 0; I
< List
.size(); I
++)
204 const char *Str
= List
[I
].c_str();
207 if ((Res
= strstr(Str
,"/binary-")) == 0)
211 if (strlen(Res
) < strlen(S
))
213 List
.erase(List
.begin() + I
);
218 // See if it is our arch
219 if (stringcmp(Res
,Res
+ strlen(S
),S
) == 0)
223 List
.erase(List
.begin() + I
);
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
)
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
++)
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(),
245 Inodes
[I
] = Buf
.st_ino
;
248 if (_error
->PendingError() == true)
252 for (unsigned int I
= 0; I
!= List
.size(); I
++)
254 for (unsigned int J
= I
+1; J
< List
.size(); J
++)
257 if (Inodes
[J
] != Inodes
[I
])
260 // We score the two paths.. and erase one
261 int ScoreA
= Score(List
[I
]);
262 int ScoreB
= Score(List
[J
]);
273 // Wipe erased entries
274 for (unsigned int I
= 0; I
< List
.size();)
276 if (List
[I
].empty() == false)
279 List
.erase(List
.begin()+I
);
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
)
292 sort(List
.begin(),List
.end());
294 // Collect similar entries
295 for (vector
<string
>::iterator I
= List
.begin(); I
!= List
.end(); I
++)
298 string::size_type Space
= (*I
).find(' ');
299 if (Space
== string::npos
)
301 string::size_type SSpace
= (*I
).find(' ',Space
+ 1);
302 if (SSpace
== string::npos
)
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
++)
310 string::size_type Space2
= (*J
).find(' ');
311 if (Space2
== string::npos
)
313 string::size_type SSpace2
= (*J
).find(' ',Space2
+ 1);
314 if (SSpace2
== string::npos
)
317 if (string(*J
,0,Space2
) != Prefix
)
319 if (string(*J
,Space2
,SSpace2
-Space2
) != Word1
)
322 *J
+= string(*I
,SSpace
);
327 // Wipe erased entries
328 for (unsigned int I
= 0; I
< List
.size();)
330 if (List
[I
].empty() == false)
333 List
.erase(List
.begin()+I
);
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
)
342 string DFile
= _config
->FindFile("Dir::State::cdroms");
343 string NewFile
= DFile
+ ".new";
345 unlink(NewFile
.c_str());
346 ofstream
Out(NewFile
.c_str());
348 return _error
->Errno("ofstream::ofstream",
349 "Failed to open %s.new",DFile
.c_str());
351 /* Write out all of the configuration directives by walking the
352 configuration tree */
353 const Configuration::Item
*Top
= Cnf
.Tree(0);
356 // Print the config entry
357 if (Top
->Value
.empty() == false)
358 Out
<< Top
->FullTag() + " \"" << Top
->Value
<< "\";" << endl
;
366 while (Top
!= 0 && Top
->Next
== 0)
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());
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
)
390 if (List
.size() == 0)
393 string File
= _config
->FindFile("Dir::Etc::sourcelist");
395 // Open the stream for reading
396 ifstream
F((FileExists(File
)?File
.c_str():"/dev/null"),
399 return _error
->Errno("ifstream::ifstream","Opening %s",File
.c_str());
401 string NewFile
= File
+ ".new";
402 unlink(NewFile
.c_str());
403 ofstream
Out(NewFile
.c_str());
405 return _error
->Errno("ofstream::ofstream",
406 "Failed to open %s.new",File
.c_str());
408 // Create a short uri without the path
409 string ShortURI
= "cdrom:[" + Name
+ "]/";
410 string ShortURI2
= "cdrom:" + Name
+ "/"; // For Compatibility
421 while (F
.eof() == false)
423 F
.getline(Buffer
,sizeof(Buffer
));
425 if (F
.fail() && !F
.eof())
426 return _error
->Error(_("Line %u too long in source list %s."),
427 CurLine
,File
.c_str());
428 _strtabexpand(Buffer
,sizeof(Buffer
));
432 if (Buffer
[0] == '#' || Buffer
[0] == 0)
434 Out
<< Buffer
<< endl
;
440 for (vector
<string
>::iterator I
= List
.begin(); I
!= List
.end(); I
++)
442 string::size_type Space
= (*I
).find(' ');
443 if (Space
== string::npos
)
444 return _error
->Error("Internal error");
445 Out
<< Type
<< " cdrom:[" << Name
<< "]/" << string(*I
,0,Space
) <<
446 " " << string(*I
,Space
+1) << endl
;
454 const char *C
= Buffer
;
455 if (ParseQuoteWord(C
,cType
) == false ||
456 ParseQuoteWord(C
,URI
) == false)
458 Out
<< Buffer
<< endl
;
462 // Emit lines like this one
463 if (cType
!= Type
|| (string(URI
,0,ShortURI
.length()) != ShortURI
&&
464 string(URI
,0,ShortURI
.length()) != ShortURI2
))
466 Out
<< Buffer
<< endl
;
471 // Just in case the file was empty
474 for (vector
<string
>::iterator I
= List
.begin(); I
!= List
.end(); I
++)
476 string::size_type Space
= (*I
).find(' ');
477 if (Space
== string::npos
)
478 return _error
->Error("Internal error");
480 Out
<< "deb cdrom:[" << Name
<< "]/" << string(*I
,0,Space
) <<
481 " " << string(*I
,Space
+1) << endl
;
487 rename(File
.c_str(),string(File
+ '~').c_str());
488 if (rename(NewFile
.c_str(),File
.c_str()) != 0)
489 return _error
->Errno("rename","Failed to rename %s.new to %s",
490 File
.c_str(),File
.c_str());
496 bool pkgCdrom::Ident(string
&ident
, pkgCdromStatus
*log
)
501 string CDROM
= _config
->FindDir("Acquire::cdrom::mount","/cdrom/");
503 CDROM
= SafeGetCWD() + '/' + CDROM
;
507 ioprintf(msg
, _("Using CD-ROM mount point %s\nMounting CD-ROM\n"),
509 log
->Update(msg
.str());
511 if (MountCdrom(CDROM
) == false)
512 return _error
->Error("Failed to mount the cdrom.");
514 // Hash the CD to get an ID
516 log
->Update(_("Identifying.. "));
519 if (IdentCdrom(CDROM
,ident
) == false)
526 ioprintf(msg
, "[%s]\n",ident
.c_str());
527 log
->Update(msg
.str());
531 Configuration Database
;
532 string DFile
= _config
->FindFile("Dir::State::cdroms");
533 if (FileExists(DFile
) == true)
535 if (ReadConfigFile(Database
,DFile
) == false)
536 return _error
->Error("Unable to read the cdrom database %s",
541 ioprintf(msg
, _("Stored label: %s \n"),
542 Database
.Find("CD::"+ident
).c_str());
543 log
->Update(msg
.str());
549 bool pkgCdrom::Add(pkgCdromStatus
*log
)
554 string CDROM
= _config
->FindDir("Acquire::cdrom::mount","/cdrom/");
556 CDROM
= SafeGetCWD() + '/' + CDROM
;
559 log
->SetTotal(STEP_LAST
);
561 ioprintf(msg
, _("Using CD-ROM mount point %s\n"), CDROM
.c_str());
562 log
->Update(msg
.str(), STEP_PREPARE
);
566 Configuration Database
;
567 string DFile
= _config
->FindFile("Dir::State::cdroms");
568 if (FileExists(DFile
) == true)
570 if (ReadConfigFile(Database
,DFile
) == false)
571 return _error
->Error("Unable to read the cdrom database %s",
575 // Unmount the CD and get the user to put in the one they want
576 if (_config
->FindB("APT::CDROM::NoMount",false) == false)
579 log
->Update(_("Unmounting CD-ROM\n"), STEP_UNMOUNT
);
583 log
->Update(_("Waiting for disc...\n"), STEP_WAIT
);
584 if(!log
->ChangeCdrom()) {
590 // Mount the new CDROM
591 log
->Update(_("Mounting CD-ROM...\n"), STEP_MOUNT
);
592 if (MountCdrom(CDROM
) == false)
593 return _error
->Error("Failed to mount the cdrom.");
596 // Hash the CD to get an ID
598 log
->Update(_("Identifying.. "), STEP_IDENT
);
600 if (IdentCdrom(CDROM
,ID
) == false)
606 log
->Update("["+ID
+"]\n");
609 log
->Update(_("Scanning disc for index files..\n"),STEP_SCAN
);
611 // Get the CD structure
613 vector
<string
> SourceList
;
614 vector
<string
> SigList
;
615 string StartDir
= SafeGetCWD();
617 if (FindPackages(CDROM
,List
,SourceList
, SigList
,InfoDir
,log
) == false)
623 chdir(StartDir
.c_str());
625 if (_config
->FindB("Debug::aptcdrom",false) == true)
627 cout
<< "I found (binary):" << endl
;
628 for (vector
<string
>::iterator I
= List
.begin(); I
!= List
.end(); I
++)
630 cout
<< "I found (source):" << endl
;
631 for (vector
<string
>::iterator I
= SourceList
.begin(); I
!= SourceList
.end(); I
++)
633 cout
<< "I found (Signatures):" << endl
;
634 for (vector
<string
>::iterator I
= SigList
.begin(); I
!= SigList
.end(); I
++)
638 //log->Update(_("Cleaning package lists..."), STEP_CLEAN);
641 DropBinaryArch(List
);
642 DropRepeats(List
,"Packages");
643 DropRepeats(SourceList
,"Sources");
644 DropRepeats(SigList
,"Release.gpg");
647 ioprintf(msg
, _("Found %i package indexes, %i source indexes and "
649 List
.size(), SourceList
.size(), SigList
.size());
650 log
->Update(msg
.str(), STEP_SCAN
);
653 if (List
.size() == 0 && SourceList
.size() == 0)
656 return _error
->Error("Unable to locate any package files, perhaps this is not a Debian Disc");
659 // Check if the CD is in the database
661 if (Database
.Exists("CD::" + ID
) == false ||
662 _config
->FindB("APT::CDROM::Rename",false) == true)
664 // Try to use the CDs label if at all possible
665 if (InfoDir
.empty() == false &&
666 FileExists(InfoDir
+ "/info") == true)
668 ifstream
F(string(InfoDir
+ "/info").c_str());
672 if (Name
.empty() == false)
674 // Escape special characters
675 string::iterator J
= Name
.begin();
676 for (; J
!= Name
.end(); J
++)
677 if (*J
== '"' || *J
== ']' || *J
== '[')
682 ioprintf(msg
, "Found label '%s'\n", Name
.c_str());
683 log
->Update(msg
.str());
685 Database
.Set("CD::" + ID
+ "::Label",Name
);
689 if (_config
->FindB("APT::CDROM::Rename",false) == true ||
690 Name
.empty() == true)
695 return _error
->Error("No disc name found and no way to ask for it");
699 if(!log
->AskCdromName(Name
)) {
703 cout
<< "Name: '" << Name
<< "'" << endl
;
705 if (Name
.empty() == false &&
706 Name
.find('"') == string::npos
&&
707 Name
.find('[') == string::npos
&&
708 Name
.find(']') == string::npos
)
710 log
->Update(_("That is not a valid name, try again.\n"));
715 Name
= Database
.Find("CD::" + ID
);
717 // Escape special characters
718 string::iterator J
= Name
.begin();
719 for (; J
!= Name
.end(); J
++)
720 if (*J
== '"' || *J
== ']' || *J
== '[')
723 Database
.Set("CD::" + ID
,Name
);
726 ioprintf(msg
, _("This disc is called: \n'%s'\n"), Name
.c_str());
727 log
->Update(msg
.str());
730 log
->Update(_("Copying package lists..."), STEP_COPY
);
731 // take care of the signatures and copy them if they are ok
732 // (we do this before PackageCopy as it modifies "List" and "SourceList")
733 SigVerify SignVerify
;
734 SignVerify
.CopyAndVerify(CDROM
, Name
, SigList
, List
, SourceList
);
736 // Copy the package files to the state directory
739 if (Copy
.CopyPackages(CDROM
,Name
,List
, log
) == false ||
740 SrcCopy
.CopyPackages(CDROM
,Name
,SourceList
, log
) == false)
743 // reduce the List so that it takes less space in sources.list
744 ReduceSourcelist(CDROM
,List
);
745 ReduceSourcelist(CDROM
,SourceList
);
747 // Write the database and sourcelist
748 if (_config
->FindB("APT::cdrom::NoAct",false) == false)
750 if (WriteDatabase(Database
) == false)
754 log
->Update(_("Writing new source list\n"), STEP_WRITE
);
756 if (WriteSourceList(Name
,List
,false) == false ||
757 WriteSourceList(Name
,SourceList
,true) == false)
761 // Print the sourcelist entries
763 log
->Update(_("Source list entries for this disc are:\n"));
765 for (vector
<string
>::iterator I
= List
.begin(); I
!= List
.end(); I
++)
767 string::size_type Space
= (*I
).find(' ');
768 if (Space
== string::npos
)
771 return _error
->Error("Internal error");
776 msg
<< "deb cdrom:[" << Name
<< "]/" << string(*I
,0,Space
) <<
777 " " << string(*I
,Space
+1) << endl
;
778 log
->Update(msg
.str());
782 for (vector
<string
>::iterator I
= SourceList
.begin(); I
!= SourceList
.end(); I
++)
784 string::size_type Space
= (*I
).find(' ');
785 if (Space
== string::npos
)
788 return _error
->Error("Internal error");
793 msg
<< "deb-src cdrom:[" << Name
<< "]/" << string(*I
,0,Space
) <<
794 " " << string(*I
,Space
+1) << endl
;
795 log
->Update(msg
.str());
801 // Unmount and finish
802 if (_config
->FindB("APT::CDROM::NoMount",false) == false) {
803 log
->Update(_("Unmounting CD-ROM..."), STEP_LAST
);