]>
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 _strtabexpand(Buffer
,sizeof(Buffer
));
429 if (Buffer
[0] == '#' || Buffer
[0] == 0)
431 Out
<< Buffer
<< endl
;
437 for (vector
<string
>::iterator I
= List
.begin(); I
!= List
.end(); I
++)
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
;
451 const char *C
= Buffer
;
452 if (ParseQuoteWord(C
,cType
) == false ||
453 ParseQuoteWord(C
,URI
) == false)
455 Out
<< Buffer
<< endl
;
459 // Emit lines like this one
460 if (cType
!= Type
|| (string(URI
,0,ShortURI
.length()) != ShortURI
&&
461 string(URI
,0,ShortURI
.length()) != ShortURI2
))
463 Out
<< Buffer
<< endl
;
468 // Just in case the file was empty
471 for (vector
<string
>::iterator I
= List
.begin(); I
!= List
.end(); I
++)
473 string::size_type Space
= (*I
).find(' ');
474 if (Space
== string::npos
)
475 return _error
->Error("Internal error");
477 Out
<< "deb cdrom:[" << Name
<< "]/" << string(*I
,0,Space
) <<
478 " " << string(*I
,Space
+1) << endl
;
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());
493 bool pkgCdrom::Ident(string
&ident
, pkgCdromStatus
*log
)
498 string CDROM
= _config
->FindDir("Acquire::cdrom::mount","/cdrom/");
500 CDROM
= SafeGetCWD() + '/' + CDROM
;
504 ioprintf(msg
, _("Using CD-ROM mount point %s\nMounting CD-ROM\n"),
506 log
->Update(msg
.str());
508 if (MountCdrom(CDROM
) == false)
509 return _error
->Error("Failed to mount the cdrom.");
511 // Hash the CD to get an ID
513 log
->Update(_("Identifying.. "));
516 if (IdentCdrom(CDROM
,ident
) == false)
523 ioprintf(msg
, "[%s]\n",ident
.c_str());
524 log
->Update(msg
.str());
528 Configuration Database
;
529 string DFile
= _config
->FindFile("Dir::State::cdroms");
530 if (FileExists(DFile
) == true)
532 if (ReadConfigFile(Database
,DFile
) == false)
533 return _error
->Error("Unable to read the cdrom database %s",
538 ioprintf(msg
, _("Stored label: %s \n"),
539 Database
.Find("CD::"+ident
).c_str());
540 log
->Update(msg
.str());
546 bool pkgCdrom::Add(pkgCdromStatus
*log
)
551 string CDROM
= _config
->FindDir("Acquire::cdrom::mount","/cdrom/");
553 CDROM
= SafeGetCWD() + '/' + CDROM
;
556 log
->SetTotal(STEP_LAST
);
558 ioprintf(msg
, _("Using CD-ROM mount point %s\n"), CDROM
.c_str());
559 log
->Update(msg
.str(), STEP_PREPARE
);
563 Configuration Database
;
564 string DFile
= _config
->FindFile("Dir::State::cdroms");
565 if (FileExists(DFile
) == true)
567 if (ReadConfigFile(Database
,DFile
) == false)
568 return _error
->Error("Unable to read the cdrom database %s",
572 // Unmount the CD and get the user to put in the one they want
573 if (_config
->FindB("APT::CDROM::NoMount",false) == false)
576 log
->Update(_("Unmounting CD-ROM\n"), STEP_UNMOUNT
);
580 log
->Update(_("Waiting for disc...\n"), STEP_WAIT
);
581 if(!log
->ChangeCdrom()) {
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.");
593 // Hash the CD to get an ID
595 log
->Update(_("Identifying.. "), STEP_IDENT
);
597 if (IdentCdrom(CDROM
,ID
) == false)
603 log
->Update("["+ID
+"]\n");
606 log
->Update(_("Scanning disc for index files..\n"),STEP_SCAN
);
608 // Get the CD structure
610 vector
<string
> SourceList
;
611 vector
<string
> SigList
;
612 string StartDir
= SafeGetCWD();
614 if (FindPackages(CDROM
,List
,SourceList
, SigList
,InfoDir
,log
) == false)
620 chdir(StartDir
.c_str());
622 if (_config
->FindB("Debug::aptcdrom",false) == true)
624 cout
<< "I found (binary):" << endl
;
625 for (vector
<string
>::iterator I
= List
.begin(); I
!= List
.end(); I
++)
627 cout
<< "I found (source):" << endl
;
628 for (vector
<string
>::iterator I
= SourceList
.begin(); I
!= SourceList
.end(); I
++)
630 cout
<< "I found (Signatures):" << endl
;
631 for (vector
<string
>::iterator I
= SigList
.begin(); I
!= SigList
.end(); I
++)
635 //log->Update(_("Cleaning package lists..."), STEP_CLEAN);
638 DropBinaryArch(List
);
639 DropRepeats(List
,"Packages");
640 DropRepeats(SourceList
,"Sources");
641 DropRepeats(SigList
,"Release.gpg");
644 ioprintf(msg
, _("Found %i package indexes, %i source indexes and "
646 List
.size(), SourceList
.size(), SigList
.size());
647 log
->Update(msg
.str(), STEP_SCAN
);
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");
653 // Check if the CD is in the database
655 if (Database
.Exists("CD::" + ID
) == false ||
656 _config
->FindB("APT::CDROM::Rename",false) == true)
658 // Try to use the CDs label if at all possible
659 if (InfoDir
.empty() == false &&
660 FileExists(InfoDir
+ "/info") == true)
662 ifstream
F(string(InfoDir
+ "/info").c_str());
666 if (Name
.empty() == false)
668 // Escape special characters
669 string::iterator J
= Name
.begin();
670 for (; J
!= Name
.end(); J
++)
671 if (*J
== '"' || *J
== ']' || *J
== '[')
676 ioprintf(msg
, "Found label '%s'\n", Name
.c_str());
677 log
->Update(msg
.str());
679 Database
.Set("CD::" + ID
+ "::Label",Name
);
683 if (_config
->FindB("APT::CDROM::Rename",false) == true ||
684 Name
.empty() == true)
687 return _error
->Error("No disc name found and no way to ask for it");
690 if(!log
->AskCdromName(Name
)) {
694 cout
<< "Name: '" << Name
<< "'" << endl
;
696 if (Name
.empty() == false &&
697 Name
.find('"') == string::npos
&&
698 Name
.find('[') == string::npos
&&
699 Name
.find(']') == string::npos
)
701 log
->Update(_("That is not a valid name, try again.\n"));
706 Name
= Database
.Find("CD::" + ID
);
708 // Escape special characters
709 string::iterator J
= Name
.begin();
710 for (; J
!= Name
.end(); J
++)
711 if (*J
== '"' || *J
== ']' || *J
== '[')
714 Database
.Set("CD::" + ID
,Name
);
717 ioprintf(msg
, _("This disc is called: \n'%s'\n"), Name
.c_str());
718 log
->Update(msg
.str());
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
);
727 // Copy the package files to the state directory
730 if (Copy
.CopyPackages(CDROM
,Name
,List
, log
) == false ||
731 SrcCopy
.CopyPackages(CDROM
,Name
,SourceList
, log
) == false)
734 // reduce the List so that it takes less space in sources.list
735 ReduceSourcelist(CDROM
,List
);
736 ReduceSourcelist(CDROM
,SourceList
);
738 // Write the database and sourcelist
739 if (_config
->FindB("APT::cdrom::NoAct",false) == false)
741 if (WriteDatabase(Database
) == false)
745 log
->Update(_("Writing new source list\n"), STEP_WRITE
);
747 if (WriteSourceList(Name
,List
,false) == false ||
748 WriteSourceList(Name
,SourceList
,true) == false)
752 // Print the sourcelist entries
754 log
->Update(_("Source list entries for this disc are:\n"));
756 for (vector
<string
>::iterator I
= List
.begin(); I
!= List
.end(); I
++)
758 string::size_type Space
= (*I
).find(' ');
759 if (Space
== string::npos
)
760 return _error
->Error("Internal error");
764 msg
<< "deb cdrom:[" << Name
<< "]/" << string(*I
,0,Space
) <<
765 " " << string(*I
,Space
+1) << endl
;
766 log
->Update(msg
.str());
770 for (vector
<string
>::iterator I
= SourceList
.begin(); I
!= SourceList
.end(); I
++)
772 string::size_type Space
= (*I
).find(' ');
773 if (Space
== string::npos
)
774 return _error
->Error("Internal error");
778 msg
<< "deb-src cdrom:[" << Name
<< "]/" << string(*I
,0,Space
) <<
779 " " << string(*I
,Space
+1) << endl
;
780 log
->Update(msg
.str());
786 // Unmount and finish
787 if (_config
->FindB("APT::CDROM::NoMount",false) == false) {
788 log
->Update(_("Unmounting CD-ROM..."), STEP_LAST
);