diff options
Diffstat (limited to 'apt-pkg/deb/dpkgpm.cc')
-rw-r--r-- | apt-pkg/deb/dpkgpm.cc | 148 |
1 files changed, 120 insertions, 28 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index 2b04f0e71..eb43cbfb8 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -29,7 +29,6 @@ #include <sys/wait.h> #include <signal.h> #include <errno.h> -#include <string.h> #include <stdio.h> #include <string.h> #include <algorithm> @@ -51,8 +50,10 @@ using namespace std; class pkgDPkgPMPrivate { public: - pkgDPkgPMPrivate() : dpkgbuf_pos(0), term_out(NULL), history_out(NULL) + pkgDPkgPMPrivate() : stdin_is_dev_null(false), dpkgbuf_pos(0), + term_out(NULL), history_out(NULL) { + dpkgbuf[0] = '\0'; } bool stdin_is_dev_null; // the buffer we use for the dpkg status-fd reading @@ -123,6 +124,45 @@ ionice(int PID) return ExecWait(Process, "ionice"); } +// dpkgChrootDirectory - chrooting for dpkg if needed /*{{{*/ +static void dpkgChrootDirectory() +{ + std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory"); + if (chrootDir == "/") + return; + std::cerr << "Chrooting into " << chrootDir << std::endl; + if (chroot(chrootDir.c_str()) != 0) + _exit(100); +} + /*}}}*/ + + +// FindNowVersion - Helper to find a Version in "now" state /*{{{*/ +// --------------------------------------------------------------------- +/* This is helpful when a package is no longer installed but has residual + * config files + */ +static +pkgCache::VerIterator FindNowVersion(const pkgCache::PkgIterator &Pkg) +{ + pkgCache::VerIterator Ver; + for (Ver = Pkg.VersionList(); Ver.end() == false; Ver++) + { + pkgCache::VerFileIterator Vf = Ver.FileList(); + pkgCache::PkgFileIterator F = Vf.File(); + for (F = Vf.File(); F.end() == false; F++) + { + if (F && F.Archive()) + { + if (strcmp(F.Archive(), "now")) + return Ver; + } + } + } + return Ver; +} + /*}}}*/ + // DPkgPM::pkgDPkgPM - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -328,15 +368,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) SetCloseExec(STDIN_FILENO,false); SetCloseExec(STDERR_FILENO,false); - if (_config->FindDir("DPkg::Chroot-Directory","/") != "/") - { - std::cerr << "Chrooting into " - << _config->FindDir("DPkg::Chroot-Directory") - << std::endl; - if (chroot(_config->FindDir("DPkg::Chroot-Directory","/").c_str()) != 0) - _exit(100); - } - + dpkgChrootDirectory(); const char *Args[4]; Args[0] = "/bin/sh"; Args[1] = "-c"; @@ -832,7 +864,17 @@ bool pkgDPkgPM::Go(int OutStatusFd) // Generate the base argument list for dpkg std::vector<const char *> Args; unsigned long StartSize = 0; - string const Tmp = _config->Find("Dir::Bin::dpkg","dpkg"); + 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(); @@ -858,6 +900,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) pid_t dpkgAssertMultiArch = ExecFork(); if (dpkgAssertMultiArch == 0) { + dpkgChrootDirectory(); // 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); @@ -1092,11 +1135,18 @@ bool pkgDPkgPM::Go(int OutStatusFd) { pkgCache::VerIterator PkgVer; std::string name = I->Pkg.Name(); - if (Op == Item::Remove || Op == Item::Purge) + if (Op == Item::Remove || Op == Item::Purge) + { PkgVer = I->Pkg.CurrentVer(); + if(PkgVer.end() == true) + PkgVer = FindNowVersion(I->Pkg); + } else PkgVer = Cache[I->Pkg].InstVerIter(Cache); - name.append(":").append(PkgVer.Arch()); + if (PkgVer.end() == false) + name.append(":").append(PkgVer.Arch()); + else + _error->Warning("Can not find PkgVer for '%s'", name.c_str()); char * const fullname = strdup(name.c_str()); Packages.push_back(fullname); ADDARG(fullname); @@ -1202,14 +1252,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) } close(fd[0]); // close the read end of the pipe - if (_config->FindDir("DPkg::Chroot-Directory","/") != "/") - { - std::cerr << "Chrooting into " - << _config->FindDir("DPkg::Chroot-Directory") - << std::endl; - if (chroot(_config->FindDir("DPkg::Chroot-Directory","/").c_str()) != 0) - _exit(100); - } + dpkgChrootDirectory(); if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0) _exit(100); @@ -1408,7 +1451,7 @@ 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; @@ -1435,18 +1478,49 @@ 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<string> io_errors; + io_errors.push_back(string("failed to read on buffer copy for %s")); + io_errors.push_back(string("failed in write on buffer copy for %s")); + io_errors.push_back(string("short read on buffer copy for %s")); + + for (vector<string>::iterator I = io_errors.begin(); I != io_errors.end(); I++) + { + vector<string> 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('_'); @@ -1536,6 +1610,24 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) { 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()) + { + FILE *log = NULL; + char buf[1024]; + + fprintf(report, "DpkgHistoryLog:\n"); + log = fopen(histfile_name.c_str(),"r"); + if(log != NULL) + { + while( fgets(buf, sizeof(buf), log) != NULL) + fprintf(report, " %s", buf); fclose(log); } } |