X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/96db74ce38e9451609fe33f9e25f3f9d42b1fe22..b433026f2803b42904937059cc62d902f2ca6294:/apt-pkg/deb/dpkgpm.cc diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index 7e5171eda..5fbd1801a 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -14,8 +14,8 @@ #include #include #include -#include #include +#include #include #include @@ -32,6 +32,8 @@ #include #include #include +#include +#include #include #include @@ -53,6 +55,7 @@ namespace std::make_pair("configure", N_("Configuring %s")), std::make_pair("remove", N_("Removing %s")), std::make_pair("purge", N_("Completely removing %s")), + std::make_pair("disappear", N_("Noting disappearance of %s")), std::make_pair("trigproc", N_("Running post-installation trigger %s")) }; @@ -108,7 +111,7 @@ ionice(int PID) /* */ pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) : pkgPackageManager(Cache), dpkgbuf_pos(0), - term_out(NULL), PackagesDone(0), PackagesTotal(0), pkgFailures(0) + term_out(NULL), history_out(NULL), PackagesDone(0), PackagesTotal(0) { } /*}}}*/ @@ -127,7 +130,19 @@ bool pkgDPkgPM::Install(PkgIterator Pkg,string File) if (File.empty() == true || Pkg.end() == true) return _error->Error("Internal Error, No file name for %s",Pkg.Name()); - List.push_back(Item(Item::Install,Pkg,File)); + // If the filename string begins with DPkg::Chroot-Directory, return the + // substr that is within the chroot so dpkg can access it. + string const chrootdir = _config->FindDir("DPkg::Chroot-Directory","/"); + if (chrootdir != "/" && File.find(chrootdir) == 0) + { + size_t len = chrootdir.length(); + if (chrootdir.at(len - 1) == '/') + len--; + List.push_back(Item(Item::Install,Pkg,File.substr(len))); + } + else + List.push_back(Item(Item::Install,Pkg,File)); + return true; } /*}}}*/ @@ -295,6 +310,15 @@ 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); + } + const char *Args[4]; Args[0] = "/bin/sh"; Args[1] = "-c"; @@ -309,7 +333,6 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) return _error->Errno("fdopen","Faild to open new FD"); // Feed it the filenames. - bool Die = false; if (Version <= 1) { for (vector::iterator I = List.begin(); I != List.end(); I++) @@ -326,14 +349,11 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) into the pipe. */ fprintf(F,"%s\n",I->File.c_str()); if (ferror(F) != 0) - { - Die = true; break; - } } } else - Die = !SendV2Pkgs(F); + SendV2Pkgs(F); fclose(F); @@ -373,8 +393,9 @@ void pkgDPkgPM::DoTerminalPty(int master) { // this happens when the child is about to exit, we // give it time to actually exit, otherwise we run - // into a race - usleep(500000); + // into a race so we sleep for half a second. + struct timespec sleepfor = { 0, 500000000 }; + nanosleep(&sleepfor, NULL); return; } if(len <= 0) @@ -409,7 +430,8 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) 'processing: install: pkg' 'processing: configure: pkg' 'processing: remove: pkg' - 'processing: purge: pkg' - but for apt is it a ignored "unknown" action + 'processing: purge: pkg' + 'processing: disappear: pkg' 'processing: trigproc: trigger' */ @@ -456,6 +478,9 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) write(OutStatusFd, status.str().c_str(), status.str().size()); if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; + + if (strncmp(action, "disappear", strlen("disappear")) == 0) + handleDisappearAction(pkg_or_trigger); return; } @@ -525,6 +550,53 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << " 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; + // the disappeared package was auto-installed - nothing to do + if ((Cache[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) + return; + pkgCache::VerIterator PkgVer = Cache[Pkg].InstVerIter(Cache); + if (unlikely(PkgVer.end() == true)) + return; + /* search in the list of dependencies for (Pre)Depends, + check if this dependency has a Replaces on our package + and if so transfer the manual installed flag to it */ + for (pkgCache::DepIterator Dep = PkgVer.DependsList(); Dep.end() != true; ++Dep) + { + if (Dep->Type != pkgCache::Dep::Depends && + Dep->Type != pkgCache::Dep::PreDepends) + continue; + pkgCache::PkgIterator Tar = Dep.TargetPkg(); + if (unlikely(Tar.end() == true)) + continue; + // the package is already marked as manual + if ((Cache[Tar].Flags & pkgCache::Flag::Auto) != pkgCache::Flag::Auto) + continue; + pkgCache::VerIterator TarVer = Cache[Tar].InstVerIter(Cache); + if (TarVer.end() == true) + continue; + for (pkgCache::DepIterator Rep = TarVer.DependsList(); Rep.end() != true; ++Rep) + { + if (Rep->Type != pkgCache::Dep::Replaces) + continue; + if (Pkg != Rep.TargetPkg()) + continue; + // okay, they are strongly connected - transfer manual-bit + if (Debug == true) + std::clog << "transfer manual-bit from disappeared »" << pkgname << "« to »" << Tar.FullName() << "«" << std::endl; + Cache[Tar].Flags &= ~Flag::Auto; + break; + } + } +} + /*}}}*/ // DPkgPM::DoDpkgStatusFd /*{{{*/ // --------------------------------------------------------------------- /* @@ -563,21 +635,22 @@ void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd) } /*}}}*/ // DPkgPM::WriteHistoryTag /*{{{*/ -void pkgDPkgPM::WriteHistoryTag(FILE *history_out, string tag, string value) +void pkgDPkgPM::WriteHistoryTag(string const &tag, string value) { - if (value.size() > 0) - { - // poor mans rstrip(", ") - if (value[value.size()-2] == ',' && value[value.size()-1] == ' ') - value.erase(value.size() - 2, 2); - fprintf(history_out, "%s: %s\n", tag.c_str(), value.c_str()); - } + size_t const length = value.length(); + if (length == 0) + return; + // poor mans rstrip(", ") + if (value[length-2] == ',' && value[length-1] == ' ') + value.erase(length - 2, 2); + fprintf(history_out, "%s: %s\n", tag.c_str(), value.c_str()); } /*}}}*/ // DPkgPM::OpenLog /*{{{*/ bool pkgDPkgPM::OpenLog() { string const logdir = _config->FindDir("Dir::Log"); - if(not FileExists(logdir)) + if(CreateAPTDirectoryIfNeeded(logdir, logdir) == false) + // FIXME: use a better string after freeze return _error->Error(_("Directory '%s' missing"), logdir.c_str()); // get current time @@ -594,8 +667,15 @@ bool pkgDPkgPM::OpenLog() term_out = fopen(logfile_name.c_str(),"a"); if (term_out == NULL) return _error->WarningE("OpenLog", _("Could not open file '%s'"), logfile_name.c_str()); - - chmod(logfile_name.c_str(), 0600); + setvbuf(term_out, NULL, _IONBF, 0); + SetCloseExec(fileno(term_out), true); + struct passwd *pw; + struct group *gr; + pw = getpwnam("root"); + gr = getgrnam("adm"); + if (pw != NULL && gr != NULL) + chown(logfile_name.c_str(), pw->pw_uid, gr->gr_gid); + chmod(logfile_name.c_str(), 0644); fprintf(term_out, "\nLog started: %s\n", timestr); } @@ -604,34 +684,52 @@ bool pkgDPkgPM::OpenLog() _config->Find("Dir::Log::History")); if (!history_name.empty()) { - FILE *history_out = fopen(history_name.c_str(),"a"); + history_out = fopen(history_name.c_str(),"a"); if (history_out == NULL) return _error->WarningE("OpenLog", _("Could not open file '%s'"), history_name.c_str()); chmod(history_name.c_str(), 0644); fprintf(history_out, "\nStart-Date: %s\n", timestr); - string remove, purge, install, upgrade, downgrade; + string remove, purge, install, reinstall, upgrade, downgrade; for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) { - if (Cache[I].NewInstall()) - install += I.Name() + string(" (") + Cache[I].CandVersion + string("), "); - else if (Cache[I].Upgrade()) - upgrade += I.Name() + string(" (") + Cache[I].CurVersion + string(", ") + Cache[I].CandVersion + string("), "); - else if (Cache[I].Downgrade()) - downgrade += I.Name() + string(" (") + Cache[I].CurVersion + string(", ") + Cache[I].CandVersion + string("), "); - else if (Cache[I].Delete()) - { - if ((Cache[I].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge) - purge += I.Name() + string(" (") + Cache[I].CurVersion + string("), "); - else - remove += I.Name() + string(" (") + Cache[I].CurVersion + string("), "); + enum { CANDIDATE, CANDIDATE_AUTO, CURRENT_CANDIDATE, CURRENT } infostring; + string *line = NULL; + #define HISTORYINFO(X, Y) { line = &X; infostring = Y; } + if (Cache[I].NewInstall() == true) + HISTORYINFO(install, CANDIDATE_AUTO) + else if (Cache[I].ReInstall() == true) + HISTORYINFO(reinstall, CANDIDATE) + else if (Cache[I].Upgrade() == true) + HISTORYINFO(upgrade, CURRENT_CANDIDATE) + else if (Cache[I].Downgrade() == true) + HISTORYINFO(downgrade, CURRENT_CANDIDATE) + else if (Cache[I].Delete() == true) + HISTORYINFO((Cache[I].Purge() ? purge : remove), CURRENT) + else + continue; + #undef HISTORYINFO + line->append(I.FullName(false)).append(" ("); + switch (infostring) { + case CANDIDATE: line->append(Cache[I].CandVersion); break; + case CANDIDATE_AUTO: + line->append(Cache[I].CandVersion); + if ((Cache[I].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) + line->append(", automatic"); + break; + case CURRENT_CANDIDATE: line->append(Cache[I].CurVersion).append(", ").append(Cache[I].CandVersion); break; + case CURRENT: line->append(Cache[I].CurVersion); break; } + line->append("), "); } - WriteHistoryTag(history_out, "Install", install); - WriteHistoryTag(history_out, "Upgrade", upgrade); - WriteHistoryTag(history_out, "Downgrade",downgrade); - WriteHistoryTag(history_out, "Remove",remove); - WriteHistoryTag(history_out, "Purge",purge); - fclose(history_out); + if (_config->Exists("Commandline::AsString") == true) + WriteHistoryTag("Commandline", _config->Find("Commandline::AsString")); + WriteHistoryTag("Install", install); + WriteHistoryTag("Reinstall", reinstall); + WriteHistoryTag("Upgrade", upgrade); + WriteHistoryTag("Downgrade",downgrade); + WriteHistoryTag("Remove",remove); + WriteHistoryTag("Purge",purge); + fflush(history_out); } return true; @@ -654,14 +752,29 @@ bool pkgDPkgPM::CloseLog() } term_out = NULL; - string history_name = flCombine(_config->FindDir("Dir::Log"), - _config->Find("Dir::Log::History")); - if (!history_name.empty()) + if(history_out) { - FILE *history_out = fopen(history_name.c_str(),"a"); + if (disappearedPkgs.empty() == false) + { + string disappear; + for (std::set::const_iterator d = disappearedPkgs.begin(); + d != disappearedPkgs.end(); ++d) + { + pkgCache::PkgIterator P = Cache.FindPkg(*d); + disappear.append(*d); + if (P.end() == true) + disappear.append(", "); + else + disappear.append(" (").append(Cache[P].CurVersion).append("), "); + } + WriteHistoryTag("Disappeared", disappear); + } + if (dpkg_error.empty() == false) + fprintf(history_out, "Error: %s\n", dpkg_error.c_str()); fprintf(history_out, "End-Date: %s\n", timestr); fclose(history_out); } + history_out = NULL; return true; } @@ -797,7 +910,10 @@ bool pkgDPkgPM::Go(int OutStatusFd) // Generate the argument list const char *Args[MaxArgs + 50]; - + // keep track of allocated strings for multiarch package names + char *Packages[MaxArgs + 50]; + unsigned int pkgcount = 0; + // Now check if we are within the MaxArgs limit // // this code below is problematic, because it may happen that @@ -905,14 +1021,27 @@ bool pkgDPkgPM::Go(int OutStatusFd) } else { + string const nativeArch = _config->Find("APT::Architecture"); + unsigned long const oldSize = I->Op == Item::Configure ? Size : 0; for (;I != J && Size < MaxArgBytes; I++) { if((*I).Pkg.end() == true) continue; - Args[n++] = I->Pkg.Name(); + if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.Name()) != disappearedPkgs.end()) + continue; + if (I->Pkg.Arch() == nativeArch || !strcmp(I->Pkg.Arch(), "all")) + Args[n++] = I->Pkg.Name(); + else + { + Packages[pkgcount] = strdup(I->Pkg.FullName(false).c_str()); + Args[n++] = Packages[pkgcount++]; + } Size += strlen(Args[n-1]); - } - } + } + // skip configure action if all sheduled packages disappeared + if (oldSize == Size) + continue; + } Args[n] = 0; J = I; @@ -1059,6 +1188,11 @@ bool pkgDPkgPM::Go(int OutStatusFd) sigemptyset(&sigmask); sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask); + /* clean up the temporary allocation for multiarch package names in + the parent, so we don't leak memory when we return. */ + for (unsigned int i = 0; i < pkgcount; i++) + free(Packages[i]); + // the result of the waitpid call int res; int select_ret; @@ -1076,9 +1210,10 @@ bool pkgDPkgPM::Go(int OutStatusFd) signal(SIGHUP,old_SIGHUP); return _error->Errno("waitpid","Couldn't wait for subprocess"); } + // wait for input or output here FD_ZERO(&rfds); - if (!stdin_is_dev_null) + if (master >= 0 && !stdin_is_dev_null) FD_SET(0, &rfds); FD_SET(_dpkgin, &rfds); if(master >= 0) @@ -1131,7 +1266,6 @@ bool pkgDPkgPM::Go(int OutStatusFd) if(stopOnError) RunScripts("DPkg::Post-Invoke"); - string dpkg_error; if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV) strprintf(dpkg_error, "Sub-process %s received a segmentation fault.",Args[0]); else if (WIFEXITED(Status) != 0) @@ -1140,17 +1274,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) strprintf(dpkg_error, "Sub-process %s exited unexpectedly",Args[0]); if(dpkg_error.size() > 0) - { - _error->Error(dpkg_error.c_str()); - string history_name = flCombine(_config->FindDir("Dir::Log"), - _config->Find("Dir::Log::History")); - if (!history_name.empty()) - { - FILE *history_out = fopen(history_name.c_str(),"a"); - fprintf(history_out, "Error: %s\n", dpkg_error.c_str()); - fclose(history_out); - } - } + _error->Error("%s", dpkg_error.c_str()); if(stopOnError) { @@ -1164,6 +1288,23 @@ bool pkgDPkgPM::Go(int OutStatusFd) if (RunScripts("DPkg::Post-Invoke") == false) return false; + if (_config->FindB("Debug::pkgDPkgPM",false) == false) + { + std::string const oldpkgcache = _config->FindFile("Dir::cache::pkgcache"); + if (oldpkgcache.empty() == false && RealFileExists(oldpkgcache) == true && + unlink(oldpkgcache.c_str()) == 0) + { + std::string const srcpkgcache = _config->FindFile("Dir::cache::srcpkgcache"); + if (srcpkgcache.empty() == false && RealFileExists(srcpkgcache) == true) + { + _error->PushToStack(); + pkgCacheFile CacheFile; + CacheFile.BuildCaches(NULL, true); + _error->RevertToStack(); + } + } + } + Cache.writeStateFile(NULL); return true; } @@ -1185,7 +1326,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) string::size_type pos; FILE *report; - if (_config->FindB("Dpkg::ApportFailureReport",true) == false) + if (_config->FindB("Dpkg::ApportFailureReport", false) == false) { std::clog << "configured to not write apport reports" << std::endl; return; @@ -1335,7 +1476,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) { while( fgets(buf, sizeof(buf), log) != NULL) fprintf(report, " %s", buf); - fclose(log); + pclose(log); } } @@ -1351,7 +1492,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) { while( fgets(buf, sizeof(buf), log) != NULL) fprintf(report, " %s", buf); - fclose(log); + pclose(log); } }