// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: cdrom.cc,v 1.5 1998/12/22 07:41:25 jgg Exp $
+// $Id: cdrom.cc,v 1.20.2.1 2004/01/16 18:58:50 mdz Exp $
/* ######################################################################
CDROM URI method for APT
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#include <apt-pkg/acquire-method.h>
+#include <config.h>
+
+#include <apt-pkg/cdrom.h>
#include <apt-pkg/cdromutl.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/fileutl.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/hashes.h>
+
+#include "aptmethod.h"
+#include <string>
+#include <vector>
#include <sys/stat.h>
-#include <unistd.h>
+
+#include <iostream>
+#include <apti18n.h>
/*}}}*/
-class CDROMMethod : public pkgAcqMethod
+using namespace std;
+
+class CDROMMethod : public aptMethod
{
- Configuration Database;
bool DatabaseLoaded;
+ bool Debug;
+
+ ::Configuration Database;
string CurrentID;
-
- virtual bool Fetch(FetchItem *Itm);
+ string CDROM;
+ bool MountedByApt;
+ pkgUdevCdromDevices UdevCdroms;
+
+ bool IsCorrectCD(URI want, string MountPath, string& NewID);
+ bool AutoDetectAndMount(const URI, string &NewID);
+ virtual bool Fetch(FetchItem *Itm) APT_OVERRIDE;
string GetID(string Name);
-
+ virtual void Exit() APT_OVERRIDE;
+
public:
CDROMMethod();
// CDROMMethod::CDROMethod - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
-CDROMMethod::CDROMMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly |
- SendConfig), DatabaseLoaded(false)
+CDROMMethod::CDROMMethod() : aptMethod("cdrom", "1.0",SingleInstance | LocalOnly |
+ SendConfig | NeedsCleanup |
+ Removable),
+ DatabaseLoaded(false),
+ Debug(false),
+ MountedByApt(false)
{
-};
+ UdevCdroms.Dlopen();
+}
+ /*}}}*/
+// CDROMMethod::Exit - Unmount the disc if necessary /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void CDROMMethod::Exit()
+{
+ if (MountedByApt == true)
+ UnmountCdrom(CDROM);
+}
/*}}}*/
-// CDROMMethod::GetID - Get the ID hash for /*{{{*/
+// CDROMMethod::GetID - Search the database for a matching string /*{{{*/
// ---------------------------------------------------------------------
-/* We search the configuration space for the name and then return the ID
- tag associated with it. */
+/* */
string CDROMMethod::GetID(string Name)
{
- if (DatabaseLoaded == false)
+ // Search for an ID
+ const Configuration::Item *Top = Database.Tree("CD");
+ if (Top != 0)
+ Top = Top->Child;
+
+ for (; Top != 0;)
+ {
+ if (Top->Value == Name)
+ return Top->Tag;
+
+ Top = Top->Next;
+ }
+ return string();
+}
+ /*}}}*/
+// CDROMMethod::AutoDetectAndMount /*{{{*/
+// ---------------------------------------------------------------------
+/* Modifies class varaiable CDROM to the mountpoint */
+bool CDROMMethod::AutoDetectAndMount(const URI Get, string &NewID)
+{
+ vector<struct CdromDevice> v = UdevCdroms.Scan();
+
+ // first check if its mounted somewhere already
+ for (unsigned int i=0; i < v.size(); i++)
{
- // Read the database
- string DFile = _config->FindFile("Dir::State::cdroms");
- if (FileExists(DFile) == true)
+ if (v[i].Mounted)
{
- if (ReadConfigFile(Database,DFile) == false)
+ if (Debug)
+ clog << "Checking mounted cdrom device " << v[i].DeviceName << endl;
+ if (IsCorrectCD(Get, v[i].MountPath, NewID))
{
- _error->Error("Unable to read the cdrom database %s",
- DFile.c_str());
- Fail();
- return string();
- }
+ CDROM = v[i].MountPath;
+ return true;
+ }
}
- DatabaseLoaded = true;
}
-
- const Configuration::Item *Top = Database.Tree("CD");
- for (; Top != 0;)
+
+ // we are not supposed to mount, exit
+ if (_config->FindB("APT::CDROM::NoMount",false) == true)
+ return false;
+
+ // check if we have the mount point
+ string AptMountPoint = _config->FindDir("Dir::Media::MountPath");
+ if (!FileExists(AptMountPoint))
+ mkdir(AptMountPoint.c_str(), 0750);
+
+ // now try mounting
+ for (unsigned int i=0; i < v.size(); i++)
{
- if (Top->Value == Name)
- return Top->Tag;
+ if (!v[i].Mounted)
+ {
+ if(MountCdrom(AptMountPoint, v[i].DeviceName))
+ {
+ if (IsCorrectCD(Get, AptMountPoint, NewID))
+ {
+ MountedByApt = true;
+ CDROM = AptMountPoint;
+ return true;
+ } else {
+ UnmountCdrom(AptMountPoint);
+ }
+ }
+ }
+ }
- Top = Top->Next;
- }
+ return false;
+}
+ /*}}}*/
+// CDROMMethod::IsCorrectCD /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool CDROMMethod::IsCorrectCD(URI want, string MountPath, string& NewID)
+{
+ for (unsigned int Version = 2; Version != 0; Version--)
+ {
+ if (IdentCdrom(MountPath,NewID,Version) == false)
+ return false;
+
+ if (Debug)
+ clog << "ID " << Version << " " << NewID << endl;
+
+ // A hit
+ if (Database.Find("CD::" + NewID) == want.Host)
+ return true;
+ }
- return string();
+ return false;
}
/*}}}*/
// CDROMMethod::Fetch - Fetch a file /*{{{*/
/* */
bool CDROMMethod::Fetch(FetchItem *Itm)
{
+ FetchResult Res;
+
URI Get = Itm->Uri;
string File = Get.Path;
- FetchResult Res;
-
+ Debug = DebugEnabled();
+
+ if (Debug)
+ clog << "CDROMMethod::Fetch " << Itm->Uri << endl;
+
/* All IMS queries are returned as a hit, CDROMs are readonly so
time stamps never change */
if (Itm->LastModified != 0)
{
Res.LastModified = Itm->LastModified;
Res.IMSHit = true;
+ Res.Filename = Itm->DestFile;
URIDone(Res);
return true;
}
-
- string ID = GetID(Get.Host);
-
+
+ // Load the database
+ if (DatabaseLoaded == false)
+ {
+ // Read the database
+ string DFile = _config->FindFile("Dir::State::cdroms");
+ if (FileExists(DFile) == true)
+ {
+ if (ReadConfigFile(Database,DFile) == false)
+ return _error->Error(_("Unable to read the cdrom database %s"),
+ DFile.c_str());
+ }
+ DatabaseLoaded = true;
+ }
+
// All non IMS queries for package files fail.
- if (Itm->IndexFile == true || ID.empty() == true)
+ if (Itm->IndexFile == true || GetID(Get.Host).empty() == true)
{
- Fail("Please use apt-cdrom to make this CD recognized by APT."
- " apt-get update cannot be used to add new CDs");
- return false;
+ Fail(_("Please use apt-cdrom to make this CD-ROM recognized by APT."
+ " apt-get update cannot be used to add new CD-ROMs"));
+ return true;
}
// We already have a CD inserted, but it is the wrong one
- if (CurrentID.empty() == false && ID != CurrentID)
+ if (CurrentID.empty() == false &&
+ CurrentID != "FAIL" &&
+ Database.Find("CD::" + CurrentID) != Get.Host)
{
- Fail("Wrong CD",true);
- return false;
+ Fail(_("Wrong CD-ROM"),true);
+ return true;
}
-
- string CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
+
+ bool const AutoDetect = ConfigFindB("AutoDetect", true);
+ CDROM = _config->FindDir("Acquire::cdrom::mount");
+ if (Debug)
+ clog << "Looking for CDROM at " << CDROM << endl;
+
if (CDROM[0] == '.')
CDROM= SafeGetCWD() + '/' + CDROM;
+
string NewID;
- while (1)
+ while (CurrentID.empty() == true)
{
- if (IdentCdrom(CDROM,NewID) == false)
- return false;
-
- // A hit
- if (NewID == ID)
- break;
+ if (AutoDetect)
+ AutoDetectAndMount(Get, NewID);
+
+ if(!IsMounted(CDROM))
+ MountedByApt = MountCdrom(CDROM);
- UnmountCdrom(CDROM);
+ if (IsCorrectCD(Get, CDROM, NewID))
+ break;
+
+ // I suppose this should prompt somehow?
+ if (_config->FindB("APT::CDROM::NoMount",false) == false &&
+ UnmountCdrom(CDROM) == false)
+ return _error->Error(_("Unable to unmount the CD-ROM in %s, it may still be in use."),
+ CDROM.c_str());
if (MediaFail(Get.Host,CDROM) == false)
{
CurrentID = "FAIL";
- Fail("Wrong CD",true);
- return false;
+ return _error->Error(_("Disk not found."));
}
-
- MountCdrom(CDROM);
}
- // ID matches
- if (NewID == ID)
- {
- Res.Filename = CDROM + File;
- if (FileExists(Res.Filename) == false)
- return _error->Error("File not found");
-
- CurrentID = ID;
- Res.LastModified = Itm->LastModified;
- Res.IMSHit = true;
- URIDone(Res);
- return true;
- }
-
- return _error->Error("CDROM not found");
+ // Found a CD
+ Res.Filename = CDROM + File;
+ struct stat Buf;
+ if (stat(Res.Filename.c_str(),&Buf) != 0)
+ return _error->Error(_("File not found"));
+
+ URIStart(Res);
+ if (NewID.empty() == false)
+ CurrentID = NewID;
+ Res.LastModified = Buf.st_mtime;
+ Res.Size = Buf.st_size;
+
+ Hashes Hash(Itm->ExpectedHashes);
+ FileFd Fd(Res.Filename, FileFd::ReadOnly);
+ Hash.AddFD(Fd);
+ Res.TakeHashes(Hash);
+
+ URIDone(Res);
+ return true;
}
/*}}}*/
int main()
{
- CDROMMethod Mth;
- return Mth.Run();
+ _config->CndSet("Binary::cdrom::Debug::NoDropPrivs", true);
+ return CDROMMethod().Run();
}
projects / apt.git / blobdiff