// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ /* ##################################################################### apt-mark - show and change auto-installed bit information ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ #include <config.h> #include <apt-pkg/cachefile.h> #include <apt-pkg/cacheset.h> #include <apt-pkg/cmndline.h> #include <apt-pkg/error.h> #include <apt-pkg/fileutl.h> #include <apt-pkg/init.h> #include <apt-pkg/pkgsystem.h> #include <apt-pkg/strutl.h> #include <apt-pkg/cacheiterators.h> #include <apt-pkg/configuration.h> #include <apt-pkg/depcache.h> #include <apt-pkg/macros.h> #include <apt-pkg/pkgcache.h> #include <apt-private/private-cmndline.h> #include <errno.h> #include <fcntl.h> #include <stddef.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/wait.h> #include <unistd.h> #include <algorithm> #include <fstream> #include <iostream> #include <string> #include <vector> #include <apti18n.h> /*}}}*/ using namespace std; ostream c0out(0); ostream c1out(0); ostream c2out(0); ofstream devnull("/dev/null"); /* DoAuto - mark packages as automatically/manually installed {{{*/ static bool DoAuto(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); pkgDepCache *DepCache = CacheFile.GetDepCache(); if (unlikely(Cache == NULL || DepCache == NULL)) return false; APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1); if (pkgset.empty() == true) return _error->Error(_("No packages found")); bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0; int AutoMarkChanged = 0; for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg) { if (Pkg->CurrentVer == 0) { ioprintf(c1out,_("%s can not be marked as it is not installed.\n"), Pkg.FullName(true).c_str()); continue; } else if ((((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto) { if (MarkAuto == false) ioprintf(c1out,_("%s was already set to manually installed.\n"), Pkg.FullName(true).c_str()); else ioprintf(c1out,_("%s was already set to automatically installed.\n"), Pkg.FullName(true).c_str()); continue; } if (MarkAuto == false) ioprintf(c1out,_("%s set to manually installed.\n"), Pkg.FullName(true).c_str()); else ioprintf(c1out,_("%s set to automatically installed.\n"), Pkg.FullName(true).c_str()); DepCache->MarkAuto(Pkg, MarkAuto); ++AutoMarkChanged; } if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false) return DepCache->writeStateFile(NULL); return true; } /*}}}*/ /* DoMarkAuto - mark packages as automatically/manually installed {{{*/ /* Does the same as DoAuto but tries to do it exactly the same why as the python implementation did it so it can be a drop-in replacement */ static bool DoMarkAuto(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); pkgDepCache *DepCache = CacheFile.GetDepCache(); if (unlikely(Cache == NULL || DepCache == NULL)) return false; APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1); if (pkgset.empty() == true) return _error->Error(_("No packages found")); bool const MarkAuto = strcasecmp(CmdL.FileList[0],"markauto") == 0; bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false); int AutoMarkChanged = 0; for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg) { if (Pkg->CurrentVer == 0 || (((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto) continue; if (Verbose == true) ioprintf(c1out, "changing %s to %d\n", Pkg.Name(), (MarkAuto == false) ? 0 : 1); DepCache->MarkAuto(Pkg, MarkAuto); ++AutoMarkChanged; } if (AutoMarkChanged > 0 && _config->FindB("APT::Mark::Simulate", false) == false) return DepCache->writeStateFile(NULL); _error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead.")); return true; } /*}}}*/ /* ShowAuto - show automatically installed packages (sorted) {{{*/ static bool ShowAuto(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); pkgDepCache *DepCache = CacheFile.GetDepCache(); if (unlikely(Cache == NULL || DepCache == NULL)) return false; std::vector<string> packages; bool const ShowAuto = strcasecmp(CmdL.FileList[0],"showauto") == 0; if (CmdL.FileList[1] == 0) { packages.reserve(Cache->HeaderP->PackageCount / 3); for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P) if (P->CurrentVer != 0 && (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto) packages.push_back(P.FullName(true)); } else { APT::CacheSetHelper helper(false); // do not show errors APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper); packages.reserve(pkgset.size()); for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P) if (P->CurrentVer != 0 && (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto) packages.push_back(P.FullName(true)); } std::sort(packages.begin(), packages.end()); for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I) std::cout << *I << std::endl; return true; } /*}}}*/ /* DoHold - mark packages as hold by dpkg {{{*/ static bool DoHold(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); if (unlikely(Cache == NULL)) return false; // Generate the base argument list for dpkg std::vector<const char *> Args; string Tmp = _config->Find("Dir::Bin::dpkg","dpkg"); { string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/"); size_t dpkgChrootLen = dpkgChrootDir.length(); if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0) { if (dpkgChrootDir[dpkgChrootLen - 1] == '/') --dpkgChrootLen; Tmp = Tmp.substr(dpkgChrootLen); } } Args.push_back(Tmp.c_str()); // Stick in any custom dpkg options Configuration::Item const *Opts = _config->Tree("DPkg::Options"); if (Opts != 0) { Opts = Opts->Child; for (; Opts != 0; Opts = Opts->Next) { if (Opts->Value.empty() == true) continue; Args.push_back(Opts->Value.c_str()); } } size_t const BaseArgs = Args.size(); // we need to detect if we can qualify packages with the architecture or not Args.push_back("--assert-multi-arch"); Args.push_back(NULL); pid_t dpkgAssertMultiArch = ExecFork(); if (dpkgAssertMultiArch == 0) { std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory"); // redirect everything to the ultimate sink as we only need the exit-status int const nullfd = open("/dev/null", O_RDONLY); dup2(nullfd, STDIN_FILENO); dup2(nullfd, STDOUT_FILENO); dup2(nullfd, STDERR_FILENO); if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0) _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --assert-multi-arch", chrootDir.c_str()); execvp(Args[0], (char**) &Args[0]); _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!"); _exit(2); } APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1); if (pkgset.empty() == true) return _error->Error(_("No packages found")); bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0; for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end();) { if ((Pkg->SelectedState == pkgCache::State::Hold) == MarkHold) { if (MarkHold == true) ioprintf(c1out,_("%s was already set on hold.\n"), Pkg.FullName(true).c_str()); else ioprintf(c1out,_("%s was already not hold.\n"), Pkg.FullName(true).c_str()); Pkg = pkgset.erase(Pkg, true); } else ++Pkg; } bool dpkgMultiArch = false; if (dpkgAssertMultiArch > 0) { int Status = 0; while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch) { if (errno == EINTR) continue; _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch"); break; } if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0) dpkgMultiArch = true; } if (pkgset.empty() == true) return true; if (_config->FindB("APT::Mark::Simulate", false) == true) { for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg) { if (MarkHold == false) ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str()); else ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str()); } return true; } Args.erase(Args.begin() + BaseArgs, Args.end()); Args.push_back("--set-selections"); Args.push_back(NULL); int external[2] = {-1, -1}; if (pipe(external) != 0) return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --set-selections"); pid_t dpkgSelection = ExecFork(); if (dpkgSelection == 0) { close(external[1]); std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory"); if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0) _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --set-selections", chrootDir.c_str()); int const nullfd = open("/dev/null", O_RDONLY); dup2(external[0], STDIN_FILENO); dup2(nullfd, STDOUT_FILENO); dup2(nullfd, STDERR_FILENO); execvp(Args[0], (char**) &Args[0]); _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!"); _exit(2); } FILE* dpkg = fdopen(external[1], "w"); for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg) { if (dpkgMultiArch == false) fprintf(dpkg, "%s", Pkg.FullName(true).c_str()); else { if (Pkg->CurrentVer != 0) fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.CurrentVer().Arch()); else if (Pkg.VersionList().end() == false) fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.VersionList().Arch()); else fprintf(dpkg, "%s", Pkg.FullName(false).c_str()); } if (MarkHold == true) { fprintf(dpkg, " hold\n"); ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str()); } else { fprintf(dpkg, " install\n"); ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str()); } } fclose(dpkg); if (dpkgSelection > 0) { int Status = 0; while (waitpid(dpkgSelection, &Status, 0) != dpkgSelection) { if (errno == EINTR) continue; _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --set-selection"); break; } if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0) return true; } return _error->Error(_("Executing dpkg failed. Are you root?")); } /*}}}*/ /* ShowHold - show packages set on hold in dpkg status {{{*/ static bool ShowHold(CommandLine &CmdL) { pkgCacheFile CacheFile; pkgCache *Cache = CacheFile.GetPkgCache(); if (unlikely(Cache == NULL)) return false; std::vector<string> packages; if (CmdL.FileList[1] == 0) { packages.reserve(50); // how many holds are realistic? I hope just a few… for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P) if (P->SelectedState == pkgCache::State::Hold) packages.push_back(P.FullName(true)); } else { APT::CacheSetHelper helper(false); // do not show errors APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper); packages.reserve(pkgset.size()); for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P) if (P->SelectedState == pkgCache::State::Hold) packages.push_back(P.FullName(true)); } std::sort(packages.begin(), packages.end()); for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I) std::cout << *I << std::endl; return true; } /*}}}*/ // ShowHelp - Show a help screen /*{{{*/ // --------------------------------------------------------------------- /* */ static bool ShowHelp(CommandLine &) { ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION, COMMON_ARCH,__DATE__,__TIME__); cout << _("Usage: apt-mark [options] {auto|manual} pkg1 [pkg2 ...]\n" "\n" "apt-mark is a simple command line interface for marking packages\n" "as manually or automatically installed. It can also list marks.\n" "\n" "Commands:\n" " auto - Mark the given packages as automatically installed\n" " manual - Mark the given packages as manually installed\n" " hold - Mark a package as held back\n" " unhold - Unset a package set as held back\n" " showauto - Print the list of automatically installed packages\n" " showmanual - Print the list of manually installed packages\n" " showhold - Print the list of package on hold\n" "\n" "Options:\n" " -h This help text.\n" " -q Loggable output - no progress indicator\n" " -qq No output except for errors\n" " -s No-act. Just prints what would be done.\n" " -f read/write auto/manual marking in the given file\n" " -c=? Read this configuration file\n" " -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n" "See the apt-mark(8) and apt.conf(5) manual pages for more information.") << std::endl; return true; } /*}}}*/ int main(int argc,const char *argv[]) /*{{{*/ { CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp}, {"auto",&DoAuto}, {"manual",&DoAuto}, {"hold",&DoHold}, {"unhold",&DoHold}, {"showauto",&ShowAuto}, {"showmanual",&ShowAuto}, {"showhold",&ShowHold}, // be nice and forgive the typo {"showholds",&ShowHold}, // be nice and forgive it as it is technical right {"install",&DoHold}, // obsolete commands for compatibility {"markauto", &DoMarkAuto}, {"unmarkauto", &DoMarkAuto}, {0,0}}; std::vector<CommandLine::Args> Args = getCommandArgs("apt-mark", CommandLine::GetCommand(Cmds, argc, argv)); // Set up gettext support setlocale(LC_ALL,""); textdomain(PACKAGE); // Parse the command line and initialize the package library CommandLine CmdL(Args.data(),_config); if (pkgInitConfig(*_config) == false || CmdL.Parse(argc,argv) == false || pkgInitSystem(*_config,_system) == false) { if (_config->FindB("version") == true) ShowHelp(CmdL); _error->DumpErrors(); return 100; } // See if the help should be shown if (_config->FindB("help") == true || _config->FindB("version") == true || CmdL.FileSize() == 0) { ShowHelp(CmdL); return 0; } // Deal with stdout not being a tty if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1) _config->Set("quiet","1"); // Setup the output streams c0out.rdbuf(cout.rdbuf()); c1out.rdbuf(cout.rdbuf()); c2out.rdbuf(cout.rdbuf()); if (_config->FindI("quiet",0) > 0) c0out.rdbuf(devnull.rdbuf()); if (_config->FindI("quiet",0) > 1) c1out.rdbuf(devnull.rdbuf()); // Match the operation CmdL.DispatchArg(Cmds); // Print any errors or warnings found during parsing bool const Errors = _error->PendingError(); if (_config->FindI("quiet",0) > 0) _error->DumpErrors(); else _error->DumpErrors(GlobalError::DEBUG); return Errors == true ? 100 : 0; } /*}}}*/