X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/49f0a5615addcd66e37e0cc4915e42e4c9953054..ca6ab6e37c101f21066d1522c6e9c202856842ca:/apt-pkg/cdrom.cc diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc index 8796805bb..a5668a50a 100644 --- a/apt-pkg/cdrom.cc +++ b/apt-pkg/cdrom.cc @@ -1,25 +1,30 @@ /* */ +#include #include #include #include #include #include +#include +#include +#include + #include #include -#include -#include #include #include #include #include #include #include - +#include #include "indexcopy.h" +#include + using namespace std; // FindPackages - Find the package files on the CDROM /*{{{*/ @@ -53,66 +58,91 @@ bool pkgCdrom::FindPackages(string CD, return _error->Errno("chdir","Unable to change to %s",CD.c_str()); // Look for a .disk subdirectory - struct stat Buf; - if (stat(".disk",&Buf) == 0) + if (DirectoryExists(".disk") == true) { if (InfoDir.empty() == true) InfoDir = CD + ".disk/"; } // Don't look into directories that have been marked to ingore. - if (stat(".aptignr",&Buf) == 0) + if (RealFileExists(".aptignr") == true) return true; - /* Check _first_ for a signature file as apt-cdrom assumes that all files under a Packages/Source file are in control of that file and stops the scanning */ - if (stat("Release.gpg",&Buf) == 0) + if (RealFileExists("Release.gpg") == true || RealFileExists("InRelease") == true) { SigList.push_back(CD); } + /* Aha! We found some package files. We assume that everything under this dir is controlled by those package files so we don't look down anymore */ - if (stat("Packages",&Buf) == 0 || stat("Packages.gz",&Buf) == 0) + std::vector const compressor = APT::Configuration::getCompressors(); + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) { + if (RealFileExists(std::string("Packages").append(c->Extension).c_str()) == false) + continue; + + if (_config->FindB("Debug::aptcdrom",false) == true) + std::clog << "Found Packages in " << CD << std::endl; List.push_back(CD); - + // Continue down if thorough is given if (_config->FindB("APT::CDROM::Thorough",false) == false) return true; + break; } - if (stat("Sources.gz",&Buf) == 0 || stat("Sources",&Buf) == 0) + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) { + if (RealFileExists(std::string("Sources").append(c->Extension).c_str()) == false) + continue; + + if (_config->FindB("Debug::aptcdrom",false) == true) + std::clog << "Found Sources in " << CD << std::endl; SList.push_back(CD); - + // Continue down if thorough is given if (_config->FindB("APT::CDROM::Thorough",false) == false) return true; + break; } - // see if we find translatin indexes - if (stat("i18n",&Buf) == 0) + // see if we find translation indices + if (DirectoryExists("i18n") == true) { D = opendir("i18n"); for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D)) { - if(strstr(Dir->d_name,"Translation") != NULL) + if(strncmp(Dir->d_name, "Translation-", strlen("Translation-")) != 0) + continue; + string file = Dir->d_name; + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) { - if (_config->FindB("Debug::aptcdrom",false) == true) - std::clog << "found translations: " << Dir->d_name << "\n"; - string file = Dir->d_name; - if(file.substr(file.size()-3,file.size()) == ".gz") - file = file.substr(0,file.size()-3); - TransList.push_back(CD+"i18n/"+ file); + string fileext = flExtension(file); + if (file == fileext) + fileext.clear(); + else if (fileext.empty() == false) + fileext = "." + fileext; + + if (c->Extension == fileext) + { + if (_config->FindB("Debug::aptcdrom",false) == true) + std::clog << "Found translation " << Dir->d_name << " in " << CD << "i18n/" << std::endl; + file.erase(file.size() - fileext.size()); + TransList.push_back(CD + "i18n/" + file); + break; + } } } closedir(D); } - D = opendir("."); if (D == 0) return _error->Errno("opendir","Unable to read %s",CD.c_str()); @@ -153,7 +183,11 @@ bool pkgCdrom::FindPackages(string CD, break; if (chdir(CD.c_str()) != 0) - return _error->Errno("chdir","Unable to change to %s",CD.c_str()); + { + _error->Errno("chdir","Unable to change to %s", CD.c_str()); + closedir(D); + return false; + } }; closedir(D); @@ -196,7 +230,7 @@ int pkgCdrom::Score(string Path) // a symlink gets a big penalty struct stat Buf; string statPath = flNotFile(Path); - string cdromPath = _config->FindDir("Acquire::cdrom::mount","/cdrom/"); + string cdromPath = _config->FindDir("Acquire::cdrom::mount"); while(statPath != cdromPath && statPath != "./") { statPath.resize(statPath.size()-1); // remove the trailing '/' if (lstat(statPath.c_str(),&Buf) == 0) { @@ -216,35 +250,48 @@ int pkgCdrom::Score(string Path) /* Here we drop everything that is not this machines arch */ bool pkgCdrom::DropBinaryArch(vector &List) { - char S[300]; - snprintf(S,sizeof(S),"/binary-%s/", - _config->Find("Apt::Architecture").c_str()); - + for (unsigned int I = 0; I < List.size(); I++) { const char *Str = List[I].c_str(); - - const char *Res; - if ((Res = strstr(Str,"/binary-")) == 0) + const char *Start, *End; + if ((Start = strstr(Str,"/binary-")) == 0) continue; - // Weird, remove it. - if (strlen(Res) < strlen(S)) - { - List.erase(List.begin() + I); - I--; + // Between Start and End is the architecture + Start += 8; + if ((End = strstr(Start,"/")) != 0 && Start != End && + APT::Configuration::checkArchitecture(string(Start, End)) == true) + continue; // okay, architecture is accepted + + // not accepted -> Erase it + List.erase(List.begin() + I); + --I; // the next entry is at the same index after the erase + } + + return true; +} + /*}}}*/ +// DropTranslation - Dump unwanted Translation- files /*{{{*/ +// --------------------------------------------------------------------- +/* Here we drop everything that is not configured in Acquire::Languages */ +bool pkgCdrom::DropTranslation(vector &List) +{ + for (unsigned int I = 0; I < List.size(); I++) + { + const char *Start; + if ((Start = strstr(List[I].c_str(), "/Translation-")) == NULL) continue; - } - - // See if it is our arch - if (stringcmp(Res,Res + strlen(S),S) == 0) + Start += strlen("/Translation-"); + + if (APT::Configuration::checkLanguage(Start, true) == true) continue; - - // Erase it + + // not accepted -> Erase it List.erase(List.begin() + I); - I--; + --I; // the next entry is at the same index after the erase } - + return true; } /*}}}*/ @@ -253,28 +300,43 @@ bool pkgCdrom::DropBinaryArch(vector &List) /* Here we go and stat every file that we found and strip dup inodes. */ bool pkgCdrom::DropRepeats(vector &List,const char *Name) { + bool couldFindAllFiles = true; // Get a list of all the inodes ino_t *Inodes = new ino_t[List.size()]; - for (unsigned int I = 0; I != List.size(); I++) + for (unsigned int I = 0; I != List.size(); ++I) { struct stat Buf; - if (stat((List[I] + Name).c_str(),&Buf) != 0 && - stat((List[I] + Name + ".gz").c_str(),&Buf) != 0) - _error->Errno("stat","Failed to stat %s%s",List[I].c_str(), - Name); - Inodes[I] = Buf.st_ino; + bool found = false; + + std::vector const compressor = APT::Configuration::getCompressors(); + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) + { + std::string filename = std::string(List[I]).append(Name).append(c->Extension); + if (stat(filename.c_str(), &Buf) != 0) + continue; + Inodes[I] = Buf.st_ino; + found = true; + break; + } + + if (found == false) + { + _error->Errno("stat","Failed to stat %s%s",List[I].c_str(), Name); + couldFindAllFiles = false; + Inodes[I] = 0; + } } - - if (_error->PendingError() == true) - return false; - + // Look for dups for (unsigned int I = 0; I != List.size(); I++) { + if (Inodes[I] == 0) + continue; for (unsigned int J = I+1; J < List.size(); J++) { // No match - if (Inodes[J] != Inodes[I]) + if (Inodes[J] == 0 || Inodes[J] != Inodes[I]) continue; // We score the two paths.. and erase one @@ -289,7 +351,8 @@ bool pkgCdrom::DropRepeats(vector &List,const char *Name) List[J] = string(); } } - + delete[] Inodes; + // Wipe erased entries for (unsigned int I = 0; I < List.size();) { @@ -299,7 +362,7 @@ bool pkgCdrom::DropRepeats(vector &List,const char *Name) List.erase(List.begin()+I); } - return true; + return couldFindAllFiles; } /*}}}*/ // ReduceSourceList - Takes the path list and reduces it /*{{{*/ @@ -311,7 +374,7 @@ void pkgCdrom::ReduceSourcelist(string CD,vector &List) sort(List.begin(),List.end()); // Collect similar entries - for (vector::iterator I = List.begin(); I != List.end(); I++) + for (vector::iterator I = List.begin(); I != List.end(); ++I) { // Find a space.. string::size_type Space = (*I).find(' '); @@ -323,7 +386,8 @@ void pkgCdrom::ReduceSourcelist(string CD,vector &List) string Word1 = string(*I,Space,SSpace-Space); string Prefix = string(*I,0,Space); - for (vector::iterator J = List.begin(); J != I; J++) + string Component = string(*I,SSpace); + for (vector::iterator J = List.begin(); J != I; ++J) { // Find a space.. string::size_type Space2 = (*J).find(' '); @@ -337,9 +401,11 @@ void pkgCdrom::ReduceSourcelist(string CD,vector &List) continue; if (string(*J,Space2,SSpace2-Space2) != Word1) continue; - - *J += string(*I,SSpace); - *I = string(); + + string Component2 = string(*J, SSpace2) + " "; + if (Component2.find(Component + " ") == std::string::npos) + *J += Component; + I->clear(); } } @@ -369,28 +435,12 @@ bool pkgCdrom::WriteDatabase(Configuration &Cnf) /* Write out all of the configuration directives by walking the configuration tree */ - const Configuration::Item *Top = Cnf.Tree(0); - for (; Top != 0;) - { - // Print the config entry - if (Top->Value.empty() == false) - Out << Top->FullTag() + " \"" << Top->Value << "\";" << endl; - - if (Top->Child != 0) - { - Top = Top->Child; - continue; - } - - while (Top != 0 && Top->Next == 0) - Top = Top->Parent; - if (Top != 0) - Top = Top->Next; - } + Cnf.Dump(Out, NULL, "%f \"%v\";\n", false); Out.close(); - - rename(DFile.c_str(),string(DFile + '~').c_str()); + + if (FileExists(DFile) == true) + rename(DFile.c_str(), string(DFile + '~').c_str()); if (rename(NewFile.c_str(),DFile.c_str()) != 0) return _error->Errno("rename","Failed to rename %s.new to %s", DFile.c_str(),DFile.c_str()); @@ -406,7 +456,7 @@ bool pkgCdrom::WriteDatabase(Configuration &Cnf) that were the same. */ bool pkgCdrom::WriteSourceList(string Name,vector &List,bool Source) { - if (List.size() == 0) + if (List.empty() == true) return true; string File = _config->FindFile("Dir::Etc::sourcelist"); @@ -456,7 +506,7 @@ bool pkgCdrom::WriteSourceList(string Name,vector &List,bool Source) if (First == true) { - for (vector::iterator I = List.begin(); I != List.end(); I++) + for (vector::iterator I = List.begin(); I != List.end(); ++I) { string::size_type Space = (*I).find(' '); if (Space == string::npos) @@ -490,7 +540,7 @@ bool pkgCdrom::WriteSourceList(string Name,vector &List,bool Source) // Just in case the file was empty if (First == true) { - for (vector::iterator I = List.begin(); I != List.end(); I++) + for (vector::iterator I = List.begin(); I != List.end(); ++I) { string::size_type Space = (*I).find(' '); if (Space == string::npos) @@ -516,11 +566,12 @@ bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log) /*{{{*/ stringstream msg; // Startup - string CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/"); + string CDROM = _config->FindDir("Acquire::cdrom::mount"); if (CDROM[0] == '.') CDROM= SafeGetCWD() + '/' + CDROM; - if(log) { + if (log != NULL) + { msg.str(""); ioprintf(msg, _("Using CD-ROM mount point %s\nMounting CD-ROM\n"), CDROM.c_str()); @@ -530,7 +581,7 @@ bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log) /*{{{*/ return _error->Error("Failed to mount the cdrom."); // Hash the CD to get an ID - if(log) + if (log != NULL) log->Update(_("Identifying.. ")); @@ -540,10 +591,12 @@ bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log) /*{{{*/ return false; } - msg.str(""); - ioprintf(msg, "[%s]\n",ident.c_str()); - log->Update(msg.str()); - + if (log != NULL) + { + msg.str(""); + ioprintf(msg, "[%s]\n",ident.c_str()); + log->Update(msg.str()); + } // Read the database Configuration Database; @@ -554,7 +607,8 @@ bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log) /*{{{*/ return _error->Error("Unable to read the cdrom database %s", DFile.c_str()); } - if(log) { + if (log != NULL) + { msg.str(""); ioprintf(msg, _("Stored label: %s\n"), Database.Find("CD::"+ident).c_str()); @@ -562,8 +616,10 @@ bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log) /*{{{*/ } // Unmount and finish - if (_config->FindB("APT::CDROM::NoMount",false) == false) { - log->Update(_("Unmounting CD-ROM...\n"), STEP_LAST); + if (_config->FindB("APT::CDROM::NoMount",false) == false) + { + if (log != NULL) + log->Update(_("Unmounting CD-ROM...\n"), STEP_LAST); UnmountCdrom(CDROM); } @@ -575,11 +631,12 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ stringstream msg; // Startup - string CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/"); + string CDROM = _config->FindDir("Acquire::cdrom::mount"); if (CDROM[0] == '.') CDROM= SafeGetCWD() + '/' + CDROM; - if(log) { + if(log != NULL) + { log->SetTotal(STEP_LAST); msg.str(""); ioprintf(msg, _("Using CD-ROM mount point %s\n"), CDROM.c_str()); @@ -599,11 +656,12 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ // Unmount the CD and get the user to put in the one they want if (_config->FindB("APT::CDROM::NoMount",false) == false) { - if(log) + if(log != NULL) log->Update(_("Unmounting CD-ROM\n"), STEP_UNMOUNT); UnmountCdrom(CDROM); - if(log) { + if(log != NULL) + { log->Update(_("Waiting for disc...\n"), STEP_WAIT); if(!log->ChangeCdrom()) { // user aborted @@ -612,26 +670,29 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ } // Mount the new CDROM - log->Update(_("Mounting CD-ROM...\n"), STEP_MOUNT); + if(log != NULL) + log->Update(_("Mounting CD-ROM...\n"), STEP_MOUNT); + if (MountCdrom(CDROM) == false) return _error->Error("Failed to mount the cdrom."); } // Hash the CD to get an ID - if(log) + if(log != NULL) log->Update(_("Identifying.. "), STEP_IDENT); string ID; if (IdentCdrom(CDROM,ID) == false) { - log->Update("\n"); + if (log != NULL) + log->Update("\n"); return false; } - if(log) + if(log != NULL) + { log->Update("["+ID+"]\n"); - - if(log) log->Update(_("Scanning disc for index files..\n"),STEP_SCAN); - + } + // Get the CD structure vector List; vector SourceList; @@ -641,22 +702,24 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ string InfoDir; if (FindPackages(CDROM,List,SourceList, SigList,TransList,InfoDir,log) == false) { - log->Update("\n"); + if (log != NULL) + log->Update("\n"); return false; } - chdir(StartDir.c_str()); + if (chdir(StartDir.c_str()) != 0) + return _error->Errno("chdir","Unable to change to %s", StartDir.c_str()); if (_config->FindB("Debug::aptcdrom",false) == true) { cout << "I found (binary):" << endl; - for (vector::iterator I = List.begin(); I != List.end(); I++) + for (vector::iterator I = List.begin(); I != List.end(); ++I) cout << *I << endl; cout << "I found (source):" << endl; - for (vector::iterator I = SourceList.begin(); I != SourceList.end(); I++) + for (vector::iterator I = SourceList.begin(); I != SourceList.end(); ++I) cout << *I << endl; cout << "I found (Signatures):" << endl; - for (vector::iterator I = SigList.begin(); I != SigList.end(); I++) + for (vector::iterator I = SigList.begin(); I != SigList.end(); ++I) cout << *I << endl; } @@ -666,9 +729,17 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ DropBinaryArch(List); DropRepeats(List,"Packages"); DropRepeats(SourceList,"Sources"); + // FIXME: We ignore stat() errors here as we usually have only one of those in use + // This has little potencial to drop 'valid' stat() errors as we know that one of these + // files need to exist, but it would be better if we would check it here + _error->PushToStack(); DropRepeats(SigList,"Release.gpg"); + DropRepeats(SigList,"InRelease"); + _error->RevertToStack(); DropRepeats(TransList,""); - if(log) { + if (_config->FindB("APT::CDROM::DropTranslation", true) == true) + DropTranslation(TransList); + if(log != NULL) { msg.str(""); ioprintf(msg, _("Found %zu package indexes, %zu source indexes, " "%zu translation indexes and %zu signatures\n"), @@ -677,7 +748,7 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ log->Update(msg.str(), STEP_SCAN); } - if (List.size() == 0 && SourceList.size() == 0) + if (List.empty() == true && SourceList.empty() == true) { if (_config->FindB("APT::CDROM::NoMount",false) == false) UnmountCdrom(CDROM); @@ -701,11 +772,12 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ { // Escape special characters string::iterator J = Name.begin(); - for (; J != Name.end(); J++) + for (; J != Name.end(); ++J) if (*J == '"' || *J == ']' || *J == '[') *J = '_'; - if(log) { + if(log != NULL) + { msg.str(""); ioprintf(msg, _("Found label '%s'\n"), Name.c_str()); log->Update(msg.str()); @@ -717,7 +789,7 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ if (_config->FindB("APT::CDROM::Rename",false) == true || Name.empty() == true) { - if(!log) + if(log == NULL) { if (_config->FindB("APT::CDROM::NoMount",false) == false) UnmountCdrom(CDROM); @@ -745,18 +817,26 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ // Escape special characters string::iterator J = Name.begin(); - for (; J != Name.end(); J++) + for (; J != Name.end(); ++J) if (*J == '"' || *J == ']' || *J == '[') *J = '_'; Database.Set("CD::" + ID,Name); - if(log) { + if(log != NULL) + { msg.str(""); ioprintf(msg, _("This disc is called: \n'%s'\n"), Name.c_str()); log->Update(msg.str()); + log->Update(_("Copying package lists..."), STEP_COPY); } - log->Update(_("Copying package lists..."), STEP_COPY); + // check for existence and possibly create state directory for copying + string const listDir = _config->FindDir("Dir::State::lists"); + string const partialListDir = listDir + "partial/"; + if (CreateAPTDirectoryIfNeeded(_config->FindDir("Dir::State"), partialListDir) == false && + CreateAPTDirectoryIfNeeded(listDir, partialListDir) == false) + return _error->Errno("cdrom", _("List directory %spartial is missing."), listDir.c_str()); + // take care of the signatures and copy them if they are ok // (we do this before PackageCopy as it modifies "List" and "SourceList") SigVerify SignVerify; @@ -781,19 +861,18 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ if (WriteDatabase(Database) == false) return false; - if(log) { + if(log != NULL) log->Update(_("Writing new source list\n"), STEP_WRITE); - } if (WriteSourceList(Name,List,false) == false || WriteSourceList(Name,SourceList,true) == false) return false; } // Print the sourcelist entries - if(log) + if(log != NULL) log->Update(_("Source list entries for this disc are:\n")); - for (vector::iterator I = List.begin(); I != List.end(); I++) + for (vector::iterator I = List.begin(); I != List.end(); ++I) { string::size_type Space = (*I).find(' '); if (Space == string::npos) @@ -803,7 +882,8 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ return _error->Error("Internal error"); } - if(log) { + if(log != NULL) + { msg.str(""); msg << "deb cdrom:[" << Name << "]/" << string(*I,0,Space) << " " << string(*I,Space+1) << endl; @@ -811,7 +891,7 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ } } - for (vector::iterator I = SourceList.begin(); I != SourceList.end(); I++) + for (vector::iterator I = SourceList.begin(); I != SourceList.end(); ++I) { string::size_type Space = (*I).find(' '); if (Space == string::npos) @@ -821,7 +901,7 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ return _error->Error("Internal error"); } - if(log) { + if(log != NULL) { msg.str(""); msg << "deb-src cdrom:[" << Name << "]/" << string(*I,0,Space) << " " << string(*I,Space+1) << endl; @@ -829,14 +909,120 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ } } - - // Unmount and finish if (_config->FindB("APT::CDROM::NoMount",false) == false) { - log->Update(_("Unmounting CD-ROM...\n"), STEP_LAST); + if (log != NULL) + log->Update(_("Unmounting CD-ROM...\n"), STEP_LAST); UnmountCdrom(CDROM); } return true; } /*}}}*/ +pkgUdevCdromDevices::pkgUdevCdromDevices() /*{{{*/ + : libudev_handle(NULL) +{ + +} + /*}}}*/ + +bool +pkgUdevCdromDevices::Dlopen() /*{{{*/ +{ + // alread open + if(libudev_handle != NULL) + return true; + + // see if we can get libudev + void *h = ::dlopen("libudev.so.0", RTLD_LAZY); + if(h == NULL) + return false; + + // get the pointers to the udev structs + libudev_handle = h; + udev_new = (udev* (*)(void)) dlsym(h, "udev_new"); + udev_enumerate_add_match_property = (int (*)(udev_enumerate*, const char*, const char*))dlsym(h, "udev_enumerate_add_match_property"); + udev_enumerate_add_match_sysattr = (int (*)(udev_enumerate*, const char*, const char*))dlsym(h, "udev_enumerate_add_match_sysattr"); + udev_enumerate_scan_devices = (int (*)(udev_enumerate*))dlsym(h, "udev_enumerate_scan_devices"); + udev_enumerate_get_list_entry = (udev_list_entry* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_list_entry"); + udev_device_new_from_syspath = (udev_device* (*)(udev*, const char*))dlsym(h, "udev_device_new_from_syspath"); + udev_enumerate_get_udev = (udev* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_udev"); + udev_list_entry_get_name = (const char* (*)(udev_list_entry*))dlsym(h, "udev_list_entry_get_name"); + udev_device_get_devnode = (const char* (*)(udev_device*))dlsym(h, "udev_device_get_devnode"); + udev_enumerate_new = (udev_enumerate* (*)(udev*))dlsym(h, "udev_enumerate_new"); + udev_list_entry_get_next = (udev_list_entry* (*)(udev_list_entry*))dlsym(h, "udev_list_entry_get_next"); + udev_device_get_property_value = (const char* (*)(udev_device *, const char *))dlsym(h, "udev_device_get_property_value"); + + return true; +} + /*}}}*/ + /*{{{*/ +// convenience interface, this will just call ScanForRemovable +vector +pkgUdevCdromDevices::Scan() +{ + bool CdromOnly = _config->FindB("APT::cdrom::CdromOnly", true); + return ScanForRemovable(CdromOnly); +}; + /*}}}*/ + /*{{{*/ +vector +pkgUdevCdromDevices::ScanForRemovable(bool CdromOnly) +{ + vector cdrom_devices; + struct udev_enumerate *enumerate; + struct udev_list_entry *l, *devices; + struct udev *udev_ctx; + + if(libudev_handle == NULL) + return cdrom_devices; + + udev_ctx = udev_new(); + enumerate = udev_enumerate_new (udev_ctx); + if (CdromOnly) + udev_enumerate_add_match_property(enumerate, "ID_CDROM", "1"); + else { + udev_enumerate_add_match_sysattr(enumerate, "removable", "1"); + } + + udev_enumerate_scan_devices (enumerate); + devices = udev_enumerate_get_list_entry (enumerate); + for (l = devices; l != NULL; l = udev_list_entry_get_next (l)) + { + CdromDevice cdrom; + struct udev_device *udevice; + udevice = udev_device_new_from_syspath (udev_enumerate_get_udev (enumerate), udev_list_entry_get_name (l)); + if (udevice == NULL) + continue; + const char* devnode = udev_device_get_devnode(udevice); + + // try fstab_dir first + string mountpath; + const char* mp = udev_device_get_property_value(udevice, "FSTAB_DIR"); + if (mp) + mountpath = string(mp); + else + mountpath = FindMountPointForDevice(devnode); + + // fill in the struct + cdrom.DeviceName = string(devnode); + if (mountpath != "") { + cdrom.MountPath = mountpath; + string s = string(mountpath); + cdrom.Mounted = IsMounted(s); + } else { + cdrom.Mounted = false; + cdrom.MountPath = ""; + } + cdrom_devices.push_back(cdrom); + } + return cdrom_devices; +} + /*}}}*/ + +pkgUdevCdromDevices::~pkgUdevCdromDevices() /*{{{*/ +{ + if (libudev_handle != NULL) + dlclose(libudev_handle); +} + /*}}}*/