X-Git-Url: https://git.hcoop.net/ntk/apt.git/blobdiff_plain/3b1b0f2900347ef2836c7ee4cc3ee20c6cdcb621..a2a75ff4516f7609f4c55b42270abb8d08943c60:/apt-pkg/deb/dpkgpm.cc diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index adc94f05..d54b7b50 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -10,53 +10,70 @@ // Includes /*{{{*/ #include -#include -#include +#include #include #include -#include -#include +#include +#include #include -#include +#include #include +#include +#include +#include +#include +#include -#include - -#include -#include +#include #include +#include +#include +#include +#include +#include +#include +#include +#include #include #include -#include +#include #include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - #include +#include #include -#include -#include +#include +#include +#include +#include +#include +#include +#include +#include #include /*}}}*/ using namespace std; +APT_PURE static unsigned int +EnvironmentSize() +{ + unsigned int size = 0; + char **envp = environ; + + while (*envp != NULL) + size += strlen (*envp++) + 1; + + return size; +} + class pkgDPkgPMPrivate { public: pkgDPkgPMPrivate() : stdin_is_dev_null(false), dpkgbuf_pos(0), - term_out(NULL), history_out(NULL), - progress(NULL) + term_out(NULL), history_out(NULL), + progress(NULL), tt_is_valid(false), master(-1), + slave(NULL), protect_slave_from_dying(-1) { dpkgbuf[0] = '\0'; } @@ -71,6 +88,18 @@ public: FILE *history_out; string dpkg_error; APT::Progress::PackageManager *progress; + + // pty stuff + struct termios tt; + bool tt_is_valid; + int master; + char * slave; + int protect_slave_from_dying; + + // signals + sigset_t sigmask; + sigset_t original_sigmask; + }; namespace @@ -133,6 +162,20 @@ ionice(int PID) return ExecWait(Process, "ionice"); } +static std::string getDpkgExecutable() +{ + 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); + } + return Tmp; +} + // dpkgChrootDirectory - chrooting for dpkg if needed /*{{{*/ static void dpkgChrootDirectory() { @@ -178,7 +221,7 @@ pkgCache::VerIterator FindNowVersion(const pkgCache::PkgIterator &Pkg) // --------------------------------------------------------------------- /* */ pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) - : pkgPackageManager(Cache), PackagesDone(0), PackagesTotal(0) + : pkgPackageManager(Cache), pkgFailures(0), PackagesDone(0), PackagesTotal(0) { d = new pkgDPkgPMPrivate(); } @@ -371,10 +414,14 @@ bool pkgDPkgPM::SendPkgsInfo(FILE * const F, unsigned int const &Version) that are due to be installed. */ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) { + bool result = true; + Configuration::Item const *Opts = _config->Tree(Cnf); if (Opts == 0 || Opts->Child == 0) return true; Opts = Opts->Child; + + sighandler_t old_sigpipe = signal(SIGPIPE, SIG_IGN); unsigned int Count = 1; for (; Opts != 0; Opts = Opts->Next, Count++) @@ -382,6 +429,10 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) if (Opts->Value.empty() == true) continue; + if(_config->FindB("Debug::RunScripts", false) == true) + std::clog << "Running external script with list of all .deb file: '" + << Opts->Value << "'" << std::endl; + // Determine the protocol version string OptSec = Opts->Value; string::size_type Pos; @@ -393,17 +444,23 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) unsigned int InfoFD = _config->FindI(OptSec + "::InfoFD", STDIN_FILENO); // Create the pipes + std::set KeepFDs; + MergeKeepFdsFromConfiguration(KeepFDs); int Pipes[2]; - if (pipe(Pipes) != 0) - return _error->Errno("pipe","Failed to create IPC pipe to subprocess"); + if (pipe(Pipes) != 0) { + result = _error->Errno("pipe","Failed to create IPC pipe to subprocess"); + break; + } if (InfoFD != (unsigned)Pipes[0]) SetCloseExec(Pipes[0],true); else - _config->Set("APT::Keep-Fds::", Pipes[0]); + KeepFDs.insert(Pipes[0]); + + SetCloseExec(Pipes[1],true); // Purified Fork for running the script - pid_t Process = ExecFork(); + pid_t Process = ExecFork(KeepFDs); if (Process == 0) { // Setup the FDs @@ -425,12 +482,12 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) execv(Args[0],(char **)Args); _exit(100); } - if (InfoFD == (unsigned)Pipes[0]) - _config->Clear("APT::Keep-Fds", Pipes[0]); close(Pipes[0]); FILE *F = fdopen(Pipes[1],"w"); - if (F == 0) - return _error->Errno("fdopen","Faild to open new FD"); + if (F == 0) { + result = _error->Errno("fdopen","Faild to open new FD"); + break; + } // Feed it the filenames. if (Version <= 1) @@ -458,14 +515,17 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) fclose(F); // Clean up the sub process - if (ExecWait(Process,Opts->Value.c_str()) == false) - return _error->Error("Failure running script %s",Opts->Value.c_str()); + if (ExecWait(Process,Opts->Value.c_str()) == false) { + result = _error->Error("Failure running script %s",Opts->Value.c_str()); + break; + } } + signal(SIGPIPE, old_sigpipe); - return true; + return result; } /*}}}*/ -// DPkgPM::DoStdin - Read stdin and pass to slave pty /*{{{*/ +// DPkgPM::DoStdin - Read stdin and pass to master pty /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -519,8 +579,8 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line) 'status: : ' 'status: :: ' - 'processing: {install,configure,remove,purge,disappear,trigproc}: pkg' - 'processing: {install,configure,remove,purge,disappear,trigproc}: trigger' + 'processing: {install,upgrade,configure,remove,purge,disappear,trigproc}: pkg' + 'processing: {install,upgrade,configure,remove,purge,disappear,trigproc}: trigger' */ // we need to split on ": " (note the appended space) as the ':' is @@ -542,25 +602,17 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line) std::string prefix = APT::String::Strip(list[0]); std::string pkgname; std::string action; - ostringstream status; // "processing" has the form "processing: action: pkg or trigger" - // with action = ["install", "configure", "remove", "purge", "disappear", - // "trigproc"] + // with action = ["install", "upgrade", "configure", "remove", "purge", + // "disappear", "trigproc"] if (prefix == "processing") { pkgname = APT::String::Strip(list[2]); action = APT::String::Strip(list[1]); - - // this is what we support in the processing stage - if(action != "install" && action != "configure" && - action != "remove" && action != "purge" && action != "purge") - { - if (Debug == true) - std::clog << "ignoring processing action: '" << action - << "'" << std::endl; - return; - } + // we don't care for the difference (as dpkg doesn't really either) + if (action == "upgrade") + action = "install"; } // "status" has the form: "status: pkg: state" // with state in ["half-installed", "unpacked", "half-configured", @@ -581,21 +633,21 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line) errors look like this: 'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data and conffile-prompt like this - 'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited + 'status:/etc/compiz.conf/compiz.conf : conffile-prompt: 'current-conffile' 'new-conffile' useredited distedited */ if (prefix == "status") { if(action == "error") { - d->progress->Error(list[1], PackagesDone, PackagesTotal, + d->progress->Error(pkgname, PackagesDone, PackagesTotal, list[3]); pkgFailures++; - WriteApportReport(list[1].c_str(), list[3].c_str()); + WriteApportReport(pkgname.c_str(), list[3].c_str()); return; } - else if(action == "conffile") + else if(action == "conffile-prompt") { - d->progress->ConffilePrompt(list[1], PackagesDone, PackagesTotal, + d->progress->ConffilePrompt(pkgname, PackagesDone, PackagesTotal, list[3]); return; } @@ -604,27 +656,26 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line) // at this point we know that we should have a valid pkgname, so build all // the info from it - // dpkg does not send always send "pkgname:arch" so we add it here - // if needed + // dpkg does not always send "pkgname:arch" so we add it here if needed if (pkgname.find(":") == std::string::npos) { - // find the package in the group that is in a touched by dpkg - // if there are multiple dpkg will send us a full pkgname:arch + // find the package in the group that is touched by dpkg + // if there are multiple pkgs dpkg would send us a full pkgname:arch pkgCache::GrpIterator Grp = Cache.FindGrp(pkgname); - if (Grp.end() == false) + if (Grp.end() == false) { - pkgCache::PkgIterator P = Grp.PackageList(); - for (; P.end() != true; P = Grp.NextPkg(P)) - { - if(Cache[P].Mode != pkgDepCache::ModeKeep) - { - pkgname = P.FullName(); - break; - } - } + pkgCache::PkgIterator P = Grp.PackageList(); + for (; P.end() != true; P = Grp.NextPkg(P)) + { + if(Cache[P].Keep() == false || Cache[P].ReInstall() == true) + { + pkgname = P.FullName(); + break; + } + } } } - + const char* const pkg = pkgname.c_str(); std::string short_pkgname = StringSplit(pkgname, ":")[0]; std::string arch = ""; @@ -663,40 +714,42 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line) if (prefix == "status") { vector const &states = PackageOps[pkg]; - const char *next_action = NULL; if(PackageOpsDone[pkg] < states.size()) - next_action = states[PackageOpsDone[pkg]].state; - // check if the package moved to the next dpkg state - if(next_action && (action == next_action)) { - // only read the translation if there is actually a next - // action - const char *translation = _(states[PackageOpsDone[pkg]].str); - std::string msg; - - // we moved from one dpkg state to a new one, report that - PackageOpsDone[pkg]++; - PackagesDone++; - - strprintf(msg, translation, i18n_pkgname.c_str()); - d->progress->StatusChanged(pkgname, PackagesDone, PackagesTotal, msg); - + char const * const next_action = states[PackageOpsDone[pkg]].state; + if (next_action && Debug == true) + std::clog << "(parsed from dpkg) pkg: " << short_pkgname + << " action: " << action << " (expected: '" << next_action << "' " + << PackageOpsDone[pkg] << " of " << states.size() << ")" << endl; + + // check if the package moved to the next dpkg state + if(next_action && (action == next_action)) + { + // only read the translation if there is actually a next action + char const * const translation = _(states[PackageOpsDone[pkg]].str); + + // we moved from one dpkg state to a new one, report that + ++PackageOpsDone[pkg]; + ++PackagesDone; + + std::string msg; + strprintf(msg, translation, i18n_pkgname.c_str()); + d->progress->StatusChanged(pkgname, PackagesDone, PackagesTotal, msg); + } } - if (Debug == true) - std::clog << "(parsed from dpkg) pkg: " << short_pkgname - << " action: " << action << endl; } } /*}}}*/ // DPkgPM::handleDisappearAction /*{{{*/ void pkgDPkgPM::handleDisappearAction(string const &pkgname) { - // record the package name for display and stuff later - disappearedPkgs.insert(pkgname); - pkgCache::PkgIterator Pkg = Cache.FindPkg(pkgname); if (unlikely(Pkg.end() == true)) return; + + // record the package name for display and stuff later + disappearedPkgs.insert(Pkg.FullName(true)); + // the disappeared package was auto-installed - nothing to do if ((Cache[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) return; @@ -942,6 +995,217 @@ static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds, return retval; } /*}}}*/ + +// DPkgPM::BuildPackagesProgressMap /*{{{*/ +void pkgDPkgPM::BuildPackagesProgressMap() +{ + // map the dpkg states to the operations that are performed + // (this is sorted in the same way as Item::Ops) + static const struct DpkgState DpkgStatesOpMap[][7] = { + // Install operation + { + {"half-installed", N_("Preparing %s")}, + {"unpacked", N_("Unpacking %s") }, + {NULL, NULL} + }, + // Configure operation + { + {"unpacked",N_("Preparing to configure %s") }, + {"half-configured", N_("Configuring %s") }, + { "installed", N_("Installed %s")}, + {NULL, NULL} + }, + // Remove operation + { + {"half-configured", N_("Preparing for removal of %s")}, + {"half-installed", N_("Removing %s")}, + {"config-files", N_("Removed %s")}, + {NULL, NULL} + }, + // Purge operation + { + {"config-files", N_("Preparing to completely remove %s")}, + {"not-installed", N_("Completely removed %s")}, + {NULL, NULL} + }, + }; + + // init the PackageOps map, go over the list of packages that + // that will be [installed|configured|removed|purged] and add + // them to the PackageOps map (the dpkg states it goes through) + // and the PackageOpsTranslations (human readable strings) + for (vector::const_iterator I = List.begin(); I != List.end(); ++I) + { + if((*I).Pkg.end() == true) + continue; + + string const name = (*I).Pkg.FullName(); + PackageOpsDone[name] = 0; + for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; ++i) + { + PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]); + PackagesTotal++; + } + } + /* one extra: We don't want the progress bar to reach 100%, especially not + if we call dpkg --configure --pending and process a bunch of triggers + while showing 100%. Also, spindown takes a while, so never reaching 100% + is way more correct than reaching 100% while still doing stuff even if + doing it this way is slightly bending the rules */ + ++PackagesTotal; +} + /*}}}*/ +#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13) +bool pkgDPkgPM::Go(int StatusFd) +{ + APT::Progress::PackageManager *progress = NULL; + if (StatusFd == -1) + progress = APT::Progress::PackageManagerProgressFactory(); + else + progress = new APT::Progress::PackageManagerProgressFd(StatusFd); + + return GoNoABIBreak(progress); +} +#endif + +void pkgDPkgPM::StartPtyMagic() +{ + if (_config->FindB("Dpkg::Use-Pty", true) == false) + { + d->master = -1; + if (d->slave != NULL) + free(d->slave); + d->slave = NULL; + return; + } + + _error->PushToStack(); + + d->master = posix_openpt(O_RDWR | O_NOCTTY); + if (d->master == -1) + _error->Errno("posix_openpt", _("Can not write log (%s)"), _("Is /dev/pts mounted?")); + else if (unlockpt(d->master) == -1) + _error->Errno("unlockpt", "Unlocking the slave of master fd %d failed!", d->master); + else + { + char const * const slave_name = ptsname(d->master); + if (slave_name == NULL) + _error->Errno("ptsname", "Getting name for slave of master fd %d failed!", d->master); + else + { + d->slave = strdup(slave_name); + if (d->slave == NULL) + _error->Errno("strdup", "Copying name %s for slave of master fd %d failed!", slave_name, d->master); + else if (grantpt(d->master) == -1) + _error->Errno("grantpt", "Granting access to slave %s based on master fd %d failed!", slave_name, d->master); + else if (tcgetattr(STDIN_FILENO, &d->tt) == 0) + { + d->tt_is_valid = true; + struct termios raw_tt; + // copy window size of stdout if its a 'good' terminal + if (tcgetattr(STDOUT_FILENO, &raw_tt) == 0) + { + struct winsize win; + if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) < 0) + _error->Errno("ioctl", "Getting TIOCGWINSZ from stdout failed!"); + if (ioctl(d->master, TIOCSWINSZ, &win) < 0) + _error->Errno("ioctl", "Setting TIOCSWINSZ for master fd %d failed!", d->master); + } + if (tcsetattr(d->master, TCSANOW, &d->tt) == -1) + _error->Errno("tcsetattr", "Setting in Start via TCSANOW for master fd %d failed!", d->master); + + raw_tt = d->tt; + cfmakeraw(&raw_tt); + raw_tt.c_lflag &= ~ECHO; + raw_tt.c_lflag |= ISIG; + // block SIGTTOU during tcsetattr to prevent a hang if + // the process is a member of the background process group + // http://www.opengroup.org/onlinepubs/000095399/functions/tcsetattr.html + sigemptyset(&d->sigmask); + sigaddset(&d->sigmask, SIGTTOU); + sigprocmask(SIG_BLOCK,&d->sigmask, &d->original_sigmask); + if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw_tt) == -1) + _error->Errno("tcsetattr", "Setting in Start via TCSAFLUSH for stdin failed!"); + sigprocmask(SIG_SETMASK, &d->original_sigmask, NULL); + + } + if (d->slave != NULL) + { + /* on linux, closing (and later reopening) all references to the slave + makes the slave a death end, so we open it here to have one open all + the time. We could use this fd in SetupSlavePtyMagic() for linux, but + on kfreebsd we get an incorrect ("step like") output then while it has + no problem with closing all references… so to avoid platform specific + code here we combine both and be happy once more */ + d->protect_slave_from_dying = open(d->slave, O_RDWR | O_CLOEXEC | O_NOCTTY); + } + } + } + + if (_error->PendingError() == true) + { + if (d->master != -1) + { + close(d->master); + d->master = -1; + } + if (d->slave != NULL) + { + free(d->slave); + d->slave = NULL; + } + _error->DumpErrors(std::cerr); + } + _error->RevertToStack(); +} +void pkgDPkgPM::SetupSlavePtyMagic() +{ + if(d->master == -1 || d->slave == NULL) + return; + + if (close(d->master) == -1) + _error->FatalE("close", "Closing master %d in child failed!", d->master); + d->master = -1; + if (setsid() == -1) + _error->FatalE("setsid", "Starting a new session for child failed!"); + + int const slaveFd = open(d->slave, O_RDWR | O_NOCTTY); + if (slaveFd == -1) + _error->FatalE("open", _("Can not write log (%s)"), _("Is /dev/pts mounted?")); + else if (ioctl(slaveFd, TIOCSCTTY, 0) < 0) + _error->FatalE("ioctl", "Setting TIOCSCTTY for slave fd %d failed!", slaveFd); + else + { + for (unsigned short i = 0; i < 3; ++i) + if (dup2(slaveFd, i) == -1) + _error->FatalE("dup2", "Dupping %d to %d in child failed!", slaveFd, i); + + if (d->tt_is_valid == true && tcsetattr(STDIN_FILENO, TCSANOW, &d->tt) < 0) + _error->FatalE("tcsetattr", "Setting in Setup via TCSANOW for slave fd %d failed!", slaveFd); + } + + if (slaveFd != -1) + close(slaveFd); +} +void pkgDPkgPM::StopPtyMagic() +{ + if (d->slave != NULL) + free(d->slave); + d->slave = NULL; + if (d->protect_slave_from_dying != -1) + { + close(d->protect_slave_from_dying); + d->protect_slave_from_dying = -1; + } + if(d->master >= 0) + { + if (d->tt_is_valid == true && tcsetattr(STDIN_FILENO, TCSAFLUSH, &d->tt) == -1) + _error->FatalE("tcsetattr", "Setting in Stop via TCSAFLUSH for stdin failed!"); + close(d->master); + d->master = -1; + } +} + // DPkgPM::Go - Run the sequence /*{{{*/ // --------------------------------------------------------------------- /* This globs the operations and calls dpkg @@ -951,27 +1215,21 @@ static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds, * through to human readable (and i10n-able) * names and calculates a percentage for each step. */ +#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13) bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) +#else +bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress) +#endif { pkgPackageManager::SigINTStop = false; d->progress = progress; // Generate the base argument list for dpkg - std::vector Args; unsigned long StartSize = 0; - 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()); - StartSize += Tmp.length(); + std::vector Args; + std::string DpkgExecutable = getDpkgExecutable(); + Args.push_back(DpkgExecutable.c_str()); + StartSize += DpkgExecutable.length(); // Stick in any custom dpkg options Configuration::Item const *Opts = _config->Tree("DPkg::Options"); @@ -1008,11 +1266,16 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) fd_set rfds; struct timespec tv; - sigset_t sigmask; - sigset_t original_sigmask; - unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024); - unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024); + // FIXME: do we really need this limit when we have MaxArgBytes? + unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",32*1024); + + // try to figure out the max environment size + int OSArgMax = sysconf(_SC_ARG_MAX); + if(OSArgMax < 0) + OSArgMax = 32*1024; + OSArgMax -= EnvironmentSize() - 2*1024; + unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes", OSArgMax); bool const NoTriggers = _config->FindB("DPkg::NoTriggers", false); if (RunScripts("DPkg::Pre-Invoke") == false) @@ -1023,59 +1286,12 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) // support subpressing of triggers processing for special // cases like d-i that runs the triggers handling manually - bool const SmartConf = (_config->Find("PackageManager::Configure", "all") != "all"); bool const TriggersPending = _config->FindB("DPkg::TriggersPending", false); - if (_config->FindB("DPkg::ConfigurePending", SmartConf) == true) + if (_config->FindB("DPkg::ConfigurePending", true) == true) List.push_back(Item(Item::ConfigurePending, PkgIterator())); - // map the dpkg states to the operations that are performed - // (this is sorted in the same way as Item::Ops) - static const struct DpkgState DpkgStatesOpMap[][7] = { - // Install operation - { - {"half-installed", N_("Preparing %s")}, - {"unpacked", N_("Unpacking %s") }, - {NULL, NULL} - }, - // Configure operation - { - {"unpacked",N_("Preparing to configure %s") }, - {"half-configured", N_("Configuring %s") }, - { "installed", N_("Installed %s")}, - {NULL, NULL} - }, - // Remove operation - { - {"half-configured", N_("Preparing for removal of %s")}, - {"half-installed", N_("Removing %s")}, - {"config-files", N_("Removed %s")}, - {NULL, NULL} - }, - // Purge operation - { - {"config-files", N_("Preparing to completely remove %s")}, - {"not-installed", N_("Completely removed %s")}, - {NULL, NULL} - }, - }; - - // init the PackageOps map, go over the list of packages that - // that will be [installed|configured|removed|purged] and add - // them to the PackageOps map (the dpkg states it goes through) - // and the PackageOpsTranslations (human readable strings) - for (vector::const_iterator I = List.begin(); I != List.end(); ++I) - { - if((*I).Pkg.end() == true) - continue; - - string const name = (*I).Pkg.FullName(); - PackageOpsDone[name] = 0; - for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; ++i) - { - PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]); - PackagesTotal++; - } - } + // for the progress + BuildPackagesProgressMap(); d->stdin_is_dev_null = false; @@ -1097,8 +1313,15 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) dpkgMultiArch = true; } - // this loop is runs once per operation - for (vector::const_iterator I = List.begin(); I != List.end();) + // start pty magic before the loop + StartPtyMagic(); + + // Tell the progress that its starting and fork dpkg + d->progress->Start(d->master); + + // this loop is runs once per dpkg operation + vector::const_iterator I = List.begin(); + while (I != List.end()) { // Do all actions with the same Op in one run vector::const_iterator J = I; @@ -1219,7 +1442,7 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) { if((*I).Pkg.end() == true) continue; - if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.Name()) != disappearedPkgs.end()) + if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.FullName(true)) != disappearedPkgs.end()) continue; // We keep this here to allow "smooth" transitions from e.g. multiarch dpkg/ubuntu to dpkg/debian if (dpkgMultiArch == false && (I->Pkg.Arch() == nativeArch || @@ -1289,68 +1512,16 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) // ignore SIGHUP as well (debian #463030) sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN); - struct termios tt; - struct winsize win; - int master = -1; - int slave = -1; - - // if tcgetattr does not return zero there was a error - // and we do not do any pty magic - _error->PushToStack(); - if (tcgetattr(STDOUT_FILENO, &tt) == 0) - { - ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&win); - if (openpty(&master, &slave, NULL, &tt, &win) < 0) - { - _error->Errno("openpty", _("Can not write log (%s)"), _("Is /dev/pts mounted?")); - master = slave = -1; - } else { - struct termios rtt; - rtt = tt; - cfmakeraw(&rtt); - rtt.c_lflag &= ~ECHO; - rtt.c_lflag |= ISIG; - // block SIGTTOU during tcsetattr to prevent a hang if - // the process is a member of the background process group - // http://www.opengroup.org/onlinepubs/000095399/functions/tcsetattr.html - sigemptyset(&sigmask); - sigaddset(&sigmask, SIGTTOU); - sigprocmask(SIG_BLOCK,&sigmask, &original_sigmask); - tcsetattr(0, TCSAFLUSH, &rtt); - sigprocmask(SIG_SETMASK, &original_sigmask, 0); - } - } - // complain only if stdout is either a terminal (but still failed) or is an invalid - // descriptor otherwise we would complain about redirection to e.g. /dev/null as well. - else if (isatty(STDOUT_FILENO) == 1 || errno == EBADF) - _error->Errno("tcgetattr", _("Can not write log (%s)"), _("Is stdout a terminal?")); - - if (_error->PendingError() == true) - _error->DumpErrors(std::cerr); - _error->RevertToStack(); - - // this is the dpkg status-fd, we need to keep it - _config->Set("APT::Keep-Fds::",fd[1]); - - // Tell the progress that its starting and fork dpkg - // FIXME: this is called once per dpkg run which is *too often* - d->progress->Start(); - - pid_t Child = ExecFork(); - // This is the child + // now run dpkg + d->progress->StartDpkg(); + std::set KeepFDs; + KeepFDs.insert(fd[1]); + MergeKeepFdsFromConfiguration(KeepFDs); + pid_t Child = ExecFork(KeepFDs); if (Child == 0) { - - if(slave >= 0 && master >= 0) - { - setsid(); - ioctl(slave, TIOCSCTTY, 0); - close(master); - dup2(slave, 0); - dup2(slave, 1); - dup2(slave, 2); - close(slave); - } + // This is the child + SetupSlavePtyMagic(); close(fd[0]); // close the read end of the pipe dpkgChrootDirectory(); @@ -1360,7 +1531,8 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) if (_config->FindB("DPkg::FlushSTDIN",true) == true && isatty(STDIN_FILENO)) { - int Flags,dummy; + int Flags; + int dummy = 0; if ((Flags = fcntl(STDIN_FILENO,F_GETFL,dummy)) < 0) _exit(100); @@ -1373,6 +1545,7 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) if (fcntl(STDIN_FILENO,F_SETFL,Flags & (~(long)O_NONBLOCK)) < 0) _exit(100); } + /* No Job Control Stop Env is a magic dpkg var that prevents it from using sigstop */ putenv((char *)"DPKG_NO_TSTP=yes"); @@ -1385,9 +1558,6 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) if (_config->FindB("DPkg::UseIoNice", false) == true) ionice(Child); - // clear the Keep-Fd again - _config->Clear("APT::Keep-Fds",fd[1]); - // Wait for dpkg int Status = 0; @@ -1395,12 +1565,9 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) int const _dpkgin = fd[0]; close(fd[1]); // close the write end of the pipe - if(slave > 0) - close(slave); - // setups fds - sigemptyset(&sigmask); - sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask); + sigemptyset(&d->sigmask); + sigprocmask(SIG_BLOCK,&d->sigmask,&d->original_sigmask); /* free vectors (and therefore memory) as we don't need the included data anymore */ for (std::vector::const_iterator p = Packages.begin(); @@ -1429,21 +1596,19 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) // wait for input or output here FD_ZERO(&rfds); - if (master >= 0 && !d->stdin_is_dev_null) + if (d->master >= 0 && !d->stdin_is_dev_null) FD_SET(0, &rfds); FD_SET(_dpkgin, &rfds); - if(master >= 0) - FD_SET(master, &rfds); - tv.tv_sec = 0; - tv.tv_nsec = d->progress->GetPulseInterval(); - select_ret = pselect(max(master, _dpkgin)+1, &rfds, NULL, NULL, - &tv, &original_sigmask); + if(d->master >= 0) + FD_SET(d->master, &rfds); + tv.tv_sec = 0; + tv.tv_nsec = d->progress->GetPulseInterval(); + select_ret = pselect(max(d->master, _dpkgin)+1, &rfds, NULL, NULL, + &tv, &d->original_sigmask); if (select_ret < 0 && (errno == EINVAL || errno == ENOSYS)) - select_ret = racy_pselect(max(master, _dpkgin)+1, &rfds, NULL, - NULL, &tv, &original_sigmask); - + select_ret = racy_pselect(max(d->master, _dpkgin)+1, &rfds, NULL, + NULL, &tv, &d->original_sigmask); d->progress->Pulse(); - if (select_ret == 0) continue; else if (select_ret < 0 && errno == EINTR) @@ -1454,10 +1619,10 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) continue; } - if(master >= 0 && FD_ISSET(master, &rfds)) - DoTerminalPty(master); - if(master >= 0 && FD_ISSET(0, &rfds)) - DoStdin(master); + if(d->master >= 0 && FD_ISSET(d->master, &rfds)) + DoTerminalPty(d->master); + if(d->master >= 0 && FD_ISSET(0, &rfds)) + DoStdin(d->master); if(FD_ISSET(_dpkgin, &rfds)) DoDpkgStatusFd(_dpkgin); } @@ -1468,13 +1633,6 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) signal(SIGINT,old_SIGINT); signal(SIGHUP,old_SIGHUP); - - if(master >= 0) - { - tcsetattr(0, TCSAFLUSH, &tt); - close(master); - } - // Check for an error code. if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0) { @@ -1482,32 +1640,23 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) // here but keep the loop going and just report it as a error // for later bool const stopOnError = _config->FindB("Dpkg::StopOnError",true); - - if(stopOnError) - RunScripts("DPkg::Post-Invoke"); - if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV) + if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV) strprintf(d->dpkg_error, "Sub-process %s received a segmentation fault.",Args[0]); else if (WIFEXITED(Status) != 0) strprintf(d->dpkg_error, "Sub-process %s returned an error code (%u)",Args[0],WEXITSTATUS(Status)); - else + else strprintf(d->dpkg_error, "Sub-process %s exited unexpectedly",Args[0]); + _error->Error("%s", d->dpkg_error.c_str()); - if(d->dpkg_error.size() > 0) - _error->Error("%s", d->dpkg_error.c_str()); - - if(stopOnError) - { - CloseLog(); - d->progress->Stop(); - return false; - } - } + if(stopOnError) + break; + } } - CloseLog(); - // dpkg is done at this point d->progress->Stop(); + StopPtyMagic(); + CloseLog(); if (pkgPackageManager::SigINTStop) _error->Warning(_("Operation was interrupted before it could finish")); @@ -1533,10 +1682,10 @@ bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress) } Cache.writeStateFile(NULL); - return true; + return d->dpkg_error.empty(); } -void SigINT(int sig) { +void SigINT(int /*sig*/) { pkgPackageManager::SigINTStop = true; } /*}}}*/ @@ -1563,7 +1712,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) string::size_type pos; FILE *report; - if (_config->FindB("Dpkg::ApportFailureReport", false) == false) + if (_config->FindB("Dpkg::ApportFailureReport", true) == false) { std::clog << "configured to not write apport reports" << std::endl; return; @@ -1590,18 +1739,50 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) } // do not report out-of-memory failures - if(strstr(errormsg, strerror(ENOMEM)) != NULL) { + if(strstr(errormsg, strerror(ENOMEM)) != NULL || + strstr(errormsg, "failed to allocate memory") != NULL) { std::clog << _("No apport report written because the error message indicates a out of memory error") << std::endl; return; } - // do not report dpkg I/O errors - // XXX - this message is localized, but this only matches the English version. This is better than nothing. - if(strstr(errormsg, "short read in buffer_copy (")) { - std::clog << _("No apport report written because the error message indicates a dpkg I/O error") << std::endl; + // do not report bugs regarding inaccessible local files + if(strstr(errormsg, strerror(ENOENT)) != NULL || + strstr(errormsg, "cannot access archive") != NULL) { + std::clog << _("No apport report written because the error message indicates an issue on the local system") << std::endl; return; } + // do not report errors encountered when decompressing packages + if(strstr(errormsg, "--fsys-tarfile returned error exit status 2") != NULL) { + std::clog << _("No apport report written because the error message indicates an issue on the local system") << std::endl; + return; + } + + // do not report dpkg I/O errors, this is a format string, so we compare + // the prefix and the suffix of the error with the dpkg error message + vector io_errors; + io_errors.push_back(string("failed to read")); + io_errors.push_back(string("failed to write")); + io_errors.push_back(string("failed to seek")); + io_errors.push_back(string("unexpected end of file or stream")); + + for (vector::iterator I = io_errors.begin(); I != io_errors.end(); ++I) + { + vector list = VectorizeString(dgettext("dpkg", (*I).c_str()), '%'); + if (list.size() > 1) { + // we need to split %s, VectorizeString only allows char so we need + // to kill the "s" manually + if (list[1].size() > 1) { + list[1].erase(0, 1); + if(strstr(errormsg, list[0].c_str()) && + strstr(errormsg, list[1].c_str())) { + std::clog << _("No apport report written because the error message indicates a dpkg I/O error") << std::endl; + return; + } + } + } + } + // get the pkgname and reportfile pkgname = flNotDir(pkgpath); pos = pkgname.find('_'); @@ -1687,6 +1868,22 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) fprintf(report, "DpkgTerminalLog:\n"); log = fopen(logfile_name.c_str(),"r"); if(log != NULL) + { + char buf[1024]; + while( fgets(buf, sizeof(buf), log) != NULL) + fprintf(report, " %s", buf); + fprintf(report, " \n"); + fclose(log); + } + } + + // attach history log it if we have it + string histfile_name = _config->FindFile("Dir::Log::History"); + if (!histfile_name.empty()) + { + fprintf(report, "DpkgHistoryLog:\n"); + FILE* log = fopen(histfile_name.c_str(),"r"); + if(log != NULL) { char buf[1024]; while( fgets(buf, sizeof(buf), log) != NULL)