X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/2c01f1c077870be1fb00663fc6bb80366498efab..6affe4a851ba5c78ecee350c279250eb6ab018d5:/methods/cdrom.cc diff --git a/methods/cdrom.cc b/methods/cdrom.cc index d8bb9522e..bf4281e40 100644 --- a/methods/cdrom.cc +++ b/methods/cdrom.cc @@ -9,13 +9,16 @@ /*}}}*/ // Include Files /*{{{*/ #include +#include #include #include #include #include +#include #include #include +#include #include #include @@ -26,15 +29,20 @@ using namespace std; class CDROMMethod : public pkgAcqMethod { bool DatabaseLoaded; + bool Debug; + ::Configuration Database; string CurrentID; string CDROM; - bool Mounted; - + bool MountedByApt; + pkgUdevCdromDevices UdevCdroms; + + bool IsCorrectCD(URI want, string MountPath, string& NewID); + bool AutoDetectAndMount(const URI, string &NewID); virtual bool Fetch(FetchItem *Itm); string GetID(string Name); virtual void Exit(); - + public: CDROMMethod(); @@ -47,16 +55,17 @@ CDROMMethod::CDROMMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly | SendConfig | NeedsCleanup | Removable), DatabaseLoaded(false), - Mounted(false) + MountedByApt(false) { + UdevCdroms.Dlopen(); }; /*}}}*/ // CDROMMethod::Exit - Unmount the disc if necessary /*{{{*/ // --------------------------------------------------------------------- /* */ void CDROMMethod::Exit() -{ - if (Mounted == true) +{ + if (MountedByApt == true) UnmountCdrom(CDROM); } /*}}}*/ @@ -80,16 +89,93 @@ string CDROMMethod::GetID(string Name) return string(); } /*}}}*/ +// CDROMMethod::AutoDetectAndMount /*{{{*/ +// --------------------------------------------------------------------- +/* Modifies class varaiable CDROM to the mountpoint */ +bool CDROMMethod::AutoDetectAndMount(const URI Get, string &NewID) +{ + vector v = UdevCdroms.Scan(); + + // first check if its mounted somewhere already + for (unsigned int i=0; i < v.size(); i++) + { + if (v[i].Mounted) + { + if (Debug) + clog << "Checking mounted cdrom device " << v[i].DeviceName << endl; + if (IsCorrectCD(Get, v[i].MountPath, NewID)) + { + CDROM = v[i].MountPath; + return true; + } + } + } + + // 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 (!v[i].Mounted) + { + if(MountCdrom(AptMountPoint, v[i].DeviceName)) + { + if (IsCorrectCD(Get, AptMountPoint, NewID)) + { + MountedByApt = true; + CDROM = AptMountPoint; + return true; + } else { + UnmountCdrom(AptMountPoint); + } + } + } + } + + 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 false; +} + /*}}}*/ // CDROMMethod::Fetch - Fetch a file /*{{{*/ // --------------------------------------------------------------------- /* */ bool CDROMMethod::Fetch(FetchItem *Itm) { + FetchResult Res; + URI Get = Itm->Uri; string File = Get.Path; - FetchResult Res; + Debug = _config->FindB("Debug::Acquire::cdrom", false); - bool Debug = _config->FindB("Debug::Acquire::cdrom",false); + if (Debug) + clog << "CDROMMethod::Fetch " << Itm->Uri << endl; /* All IMS queries are returned as a hit, CDROMs are readonly so time stamps never change */ @@ -119,54 +205,49 @@ bool CDROMMethod::Fetch(FetchItem *Itm) // All non IMS queries for package files fail. 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")); + 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 && Database.Find("CD::" + CurrentID) != Get.Host) + if (CurrentID.empty() == false && + CurrentID != "FAIL" && + Database.Find("CD::" + CurrentID) != Get.Host) { - Fail(_("Wrong CD"),true); + Fail(_("Wrong CD-ROM"),true); return true; } - + + bool AutoDetect = _config->FindB("Acquire::cdrom::AutoDetect", true); CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/"); + if (Debug) + clog << "Looking for CDROM at " << CDROM << endl; + if (CDROM[0] == '.') CDROM= SafeGetCWD() + '/' + CDROM; + string NewID; while (CurrentID.empty() == true) { - bool Hit = false; - Mounted = MountCdrom(CDROM); - for (unsigned int Version = 2; Version != 0; Version--) - { - if (IdentCdrom(CDROM,NewID,Version) == false) - return false; - - if (Debug == true) - clog << "ID " << Version << " " << NewID << endl; - - // A hit - if (Database.Find("CD::" + NewID) == Get.Host) - { - Hit = true; - break; - } - } + if (AutoDetect) + AutoDetectAndMount(Get, NewID); - if (Hit == true) + if(!IsMounted(CDROM)) + MountedByApt = MountCdrom(CDROM); + + if (IsCorrectCD(Get, CDROM, NewID)) break; // I suppose this should prompt somehow? - if (UnmountCdrom(CDROM) == false) + 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 true; + return _error->Error(_("Disk not found.")); } } @@ -180,6 +261,12 @@ bool CDROMMethod::Fetch(FetchItem *Itm) CurrentID = NewID; Res.LastModified = Buf.st_mtime; Res.Size = Buf.st_size; + + Hashes Hash; + FileFd Fd(Res.Filename, FileFd::ReadOnly); + Hash.AddFD(Fd.Fd(), Fd.Size()); + Res.TakeHashes(Hash); + URIDone(Res); return true; }