X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/ed0fe654305469c1f9869f308e2f595ac8bc4c13..75a90b93257ea81d42331c03b56bd6589c62e065:/apt-pkg/deb/dpkgpm.cc diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index 95a3f173b..0cc21f322 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -8,14 +8,17 @@ ##################################################################### */ /*}}}*/ // Includes /*{{{*/ +#include + #include #include #include #include #include #include -#include #include +#include +#include #include #include @@ -32,18 +35,34 @@ #include #include #include +#include +#include #include #include #include #include -#include #include /*}}}*/ using namespace std; +class pkgDPkgPMPrivate +{ +public: + pkgDPkgPMPrivate() : dpkgbuf_pos(0), term_out(NULL), history_out(NULL) + { + } + bool stdin_is_dev_null; + // the buffer we use for the dpkg status-fd reading + char dpkgbuf[1024]; + int dpkgbuf_pos; + FILE *term_out; + FILE *history_out; + string dpkg_error; +}; + namespace { // Maps the dpkg "processing" info to human readable names. Entry 0 @@ -108,9 +127,9 @@ ionice(int PID) // --------------------------------------------------------------------- /* */ pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) - : pkgPackageManager(Cache), dpkgbuf_pos(0), - term_out(NULL), history_out(NULL), PackagesDone(0), PackagesTotal(0) + : pkgPackageManager(Cache), PackagesDone(0), PackagesTotal(0) { + d = new pkgDPkgPMPrivate(); } /*}}}*/ // DPkgPM::pkgDPkgPM - Destructor /*{{{*/ @@ -118,6 +137,7 @@ pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) /* */ pkgDPkgPM::~pkgDPkgPM() { + delete d; } /*}}}*/ // DPkgPM::Install - Install a package /*{{{*/ @@ -211,7 +231,7 @@ bool pkgDPkgPM::SendV2Pkgs(FILE *F) fprintf(F,"\n"); // Write out the package actions in order. - for (vector::iterator I = List.begin(); I != List.end(); I++) + for (vector::iterator I = List.begin(); I != List.end(); ++I) { if(I->Pkg.end() == true) continue; @@ -308,6 +328,15 @@ 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"; @@ -324,7 +353,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) // Feed it the filenames. if (Version <= 1) { - for (vector::iterator I = List.begin(); I != List.end(); I++) + for (vector::iterator I = List.begin(); I != List.end(); ++I) { // Only deal with packages to be installed from .deb if (I->Op != Item::Install) @@ -365,7 +394,7 @@ void pkgDPkgPM::DoStdin(int master) if (len) write(master, input_buf, len); else - stdin_is_dev_null = true; + d->stdin_is_dev_null = true; } /*}}}*/ // DPkgPM::DoTerminalPty - Read the terminal pty and write log /*{{{*/ @@ -382,15 +411,16 @@ 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) return; write(1, term_buf, len); - if(term_out) - fwrite(term_buf, len, sizeof(char), term_out); + if(d->term_out) + fwrite(term_buf, len, sizeof(char), d->term_out); } /*}}}*/ // DPkgPM::ProcessDpkgStatusBuf /*{{{*/ @@ -594,14 +624,14 @@ void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd) char *p, *q; int len; - len=read(statusfd, &dpkgbuf[dpkgbuf_pos], sizeof(dpkgbuf)-dpkgbuf_pos); - dpkgbuf_pos += len; + len=read(statusfd, &d->dpkgbuf[d->dpkgbuf_pos], sizeof(d->dpkgbuf)-d->dpkgbuf_pos); + d->dpkgbuf_pos += len; if(len <= 0) return; // process line by line if we have a buffer - p = q = dpkgbuf; - while((q=(char*)memchr(p, '\n', dpkgbuf+dpkgbuf_pos-p)) != NULL) + p = q = d->dpkgbuf; + while((q=(char*)memchr(p, '\n', d->dpkgbuf+d->dpkgbuf_pos-p)) != NULL) { *q = 0; ProcessDpkgStatusLine(OutStatusFd, p); @@ -609,8 +639,8 @@ void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd) } // now move the unprocessed bits (after the final \n that is now a 0x0) - // to the start and update dpkgbuf_pos - p = (char*)memrchr(dpkgbuf, 0, dpkgbuf_pos); + // to the start and update d->dpkgbuf_pos + p = (char*)memrchr(d->dpkgbuf, 0, d->dpkgbuf_pos); if(p == NULL) return; @@ -618,8 +648,8 @@ void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd) p++; // move the unprocessed tail to the start and update pos - memmove(dpkgbuf, p, p-dpkgbuf); - dpkgbuf_pos = dpkgbuf+dpkgbuf_pos-p; + memmove(d->dpkgbuf, p, p-d->dpkgbuf); + d->dpkgbuf_pos = d->dpkgbuf+d->dpkgbuf_pos-p; } /*}}}*/ // DPkgPM::WriteHistoryTag /*{{{*/ @@ -631,7 +661,7 @@ void pkgDPkgPM::WriteHistoryTag(string const &tag, string value) // 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()); + fprintf(d->history_out, "%s: %s\n", tag.c_str(), value.c_str()); } /*}}}*/ // DPkgPM::OpenLog /*{{{*/ bool pkgDPkgPM::OpenLog() @@ -652,13 +682,19 @@ bool pkgDPkgPM::OpenLog() _config->Find("Dir::Log::Terminal")); if (!logfile_name.empty()) { - term_out = fopen(logfile_name.c_str(),"a"); - if (term_out == NULL) + d->term_out = fopen(logfile_name.c_str(),"a"); + if (d->term_out == NULL) return _error->WarningE("OpenLog", _("Could not open file '%s'"), logfile_name.c_str()); - setvbuf(term_out, NULL, _IONBF, 0); - SetCloseExec(fileno(term_out), true); - chmod(logfile_name.c_str(), 0600); - fprintf(term_out, "\nLog started: %s\n", timestr); + setvbuf(d->term_out, NULL, _IONBF, 0); + SetCloseExec(fileno(d->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(d->term_out, "\nLog started: %s\n", timestr); } // write your history @@ -666,41 +702,52 @@ bool pkgDPkgPM::OpenLog() _config->Find("Dir::Log::History")); if (!history_name.empty()) { - history_out = fopen(history_name.c_str(),"a"); - if (history_out == NULL) + d->history_out = fopen(history_name.c_str(),"a"); + if (d->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; - for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; I++) + fprintf(d->history_out, "\nStart-Date: %s\n", timestr); + string remove, purge, install, reinstall, upgrade, downgrade; + for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) { - if (Cache[I].NewInstall()) - { - install += I.FullName(false) + string(" (") + Cache[I].CandVersion; - if (Cache[I].Flags & pkgCache::Flag::Auto) - install+= ", automatic"; - install += string("), "); - } - else if (Cache[I].Upgrade()) - upgrade += I.FullName(false) + string(" (") + Cache[I].CurVersion + string(", ") + Cache[I].CandVersion + string("), "); - else if (Cache[I].Downgrade()) - downgrade += I.FullName(false) + string(" (") + Cache[I].CurVersion + string(", ") + Cache[I].CandVersion + string("), "); - else if (Cache[I].Delete()) - { - if ((Cache[I].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge) - purge += I.FullName(false) + string(" (") + Cache[I].CurVersion + string("), "); - else - remove += I.FullName(false) + 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("), "); } 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); + fflush(d->history_out); } return true; @@ -714,16 +761,16 @@ bool pkgDPkgPM::CloseLog() struct tm *tmp = localtime(&t); strftime(timestr, sizeof(timestr), "%F %T", tmp); - if(term_out) + if(d->term_out) { - fprintf(term_out, "Log ended: "); - fprintf(term_out, "%s", timestr); - fprintf(term_out, "\n"); - fclose(term_out); + fprintf(d->term_out, "Log ended: "); + fprintf(d->term_out, "%s", timestr); + fprintf(d->term_out, "\n"); + fclose(d->term_out); } - term_out = NULL; + d->term_out = NULL; - if(history_out) + if(d->history_out) { if (disappearedPkgs.empty() == false) { @@ -740,12 +787,12 @@ bool pkgDPkgPM::CloseLog() } 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); + if (d->dpkg_error.empty() == false) + fprintf(d->history_out, "Error: %s\n", d->dpkg_error.c_str()); + fprintf(d->history_out, "End-Date: %s\n", timestr); + fclose(d->history_out); } - history_out = NULL; + d->history_out = NULL; return true; } @@ -839,21 +886,21 @@ bool pkgDPkgPM::Go(int OutStatusFd) // 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++) + for (vector::const_iterator I = List.begin(); I != List.end(); ++I) { if((*I).Pkg.end() == true) continue; string const name = (*I).Pkg.Name(); PackageOpsDone[name] = 0; - for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; i++) + for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; ++i) { PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]); PackagesTotal++; } } - stdin_is_dev_null = false; + d->stdin_is_dev_null = false; // create log OpenLog(); @@ -864,7 +911,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) // Do all actions with the same Op in one run vector::const_iterator J = I; if (TriggersPending == true) - for (; J != List.end(); J++) + for (; J != List.end(); ++J) { if (J->Op == I->Op) continue; @@ -876,19 +923,22 @@ bool pkgDPkgPM::Go(int OutStatusFd) break; } else - for (; J != List.end() && J->Op == I->Op; J++) + for (; J != List.end() && J->Op == I->Op; ++J) /* nothing */; // 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 // the argument list is split in a way that A depends on B // and they are in the same "--configure A B" run // - with the split they may now be configured in different - // runs + // runs, using Immediate-Configure-All can help prevent this. if (J - I > (signed)MaxArgs) J = I + MaxArgs; @@ -921,6 +971,8 @@ bool pkgDPkgPM::Go(int OutStatusFd) snprintf(status_fd_buf,sizeof(status_fd_buf),"%i", fd[1]); Args[n++] = status_fd_buf; Size += strlen(Args[n-1]); + + unsigned long const Op = I->Op; switch (I->Op) { @@ -979,7 +1031,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) // Write in the file or package names if (I->Op == Item::Install) { - for (;I != J && Size < MaxArgBytes; I++) + for (;I != J && Size < MaxArgBytes; ++I) { if (I->File[0] != '/') return _error->Error("Internal Error, Pathname to install is not absolute '%s'",I->File.c_str()); @@ -989,16 +1041,27 @@ bool pkgDPkgPM::Go(int OutStatusFd) } else { - for (;I != J && Size < MaxArgBytes; I++) + 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; if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.Name()) != disappearedPkgs.end()) continue; - Args[n++] = I->Pkg.Name(); + 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; @@ -1019,8 +1082,13 @@ bool pkgDPkgPM::Go(int OutStatusFd) it to all processes in the group. Since dpkg ignores the signal it doesn't die but we do! So we must also ignore it */ sighandler_t old_SIGQUIT = signal(SIGQUIT,SIG_IGN); - sighandler_t old_SIGINT = signal(SIGINT,SIG_IGN); - + sighandler_t old_SIGINT = signal(SIGINT,SigINT); + + // Check here for any SIGINT + if (pkgPackageManager::SigINTStop && (Op == Item::Remove || Op == Item::Purge || Op == Item::Install)) + break; + + // ignore SIGHUP as well (debian #463030) sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN); @@ -1039,8 +1107,8 @@ bool pkgDPkgPM::Go(int OutStatusFd) const char *s = _("Can not write log, openpty() " "failed (/dev/pts not mounted?)\n"); fprintf(stderr, "%s",s); - if(term_out) - fprintf(term_out, "%s",s); + if(d->term_out) + fprintf(d->term_out, "%s",s); master = slave = -1; } else { struct termios rtt; @@ -1058,7 +1126,6 @@ bool pkgDPkgPM::Go(int OutStatusFd) sigprocmask(SIG_SETMASK, &original_sigmask, 0); } } - // Fork dpkg pid_t Child; _config->Set("APT::Keep-Fds::",fd[1]); @@ -1145,6 +1212,11 @@ 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; @@ -1159,13 +1231,14 @@ bool pkgDPkgPM::Go(int OutStatusFd) // Restore sig int/quit signal(SIGQUIT,old_SIGQUIT); signal(SIGINT,old_SIGINT); + signal(SIGHUP,old_SIGHUP); return _error->Errno("waitpid","Couldn't wait for subprocess"); } // wait for input or output here FD_ZERO(&rfds); - if (master >= 0 && !stdin_is_dev_null) + if (master >= 0 && !d->stdin_is_dev_null) FD_SET(0, &rfds); FD_SET(_dpkgin, &rfds); if(master >= 0) @@ -1199,6 +1272,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) // Restore sig int/quit signal(SIGQUIT,old_SIGQUIT); signal(SIGINT,old_SIGINT); + signal(SIGHUP,old_SIGHUP); if(master >= 0) @@ -1219,14 +1293,14 @@ bool pkgDPkgPM::Go(int OutStatusFd) RunScripts("DPkg::Post-Invoke"); if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV) - strprintf(dpkg_error, "Sub-process %s received a segmentation fault.",Args[0]); + strprintf(d->dpkg_error, "Sub-process %s received a segmentation fault.",Args[0]); else if (WIFEXITED(Status) != 0) - strprintf(dpkg_error, "Sub-process %s returned an error code (%u)",Args[0],WEXITSTATUS(Status)); + strprintf(d->dpkg_error, "Sub-process %s returned an error code (%u)",Args[0],WEXITSTATUS(Status)); else - strprintf(dpkg_error, "Sub-process %s exited unexpectedly",Args[0]); + strprintf(d->dpkg_error, "Sub-process %s exited unexpectedly",Args[0]); - if(dpkg_error.size() > 0) - _error->Error(dpkg_error.c_str()); + if(d->dpkg_error.size() > 0) + _error->Error("%s", d->dpkg_error.c_str()); if(stopOnError) { @@ -1236,13 +1310,38 @@ bool pkgDPkgPM::Go(int OutStatusFd) } } CloseLog(); + + if (pkgPackageManager::SigINTStop) + _error->Warning(_("Operation was interrupted before it could finish")); 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; } + +void SigINT(int sig) { + if (_config->FindB("APT::Immediate-Configure-All",false)) + pkgPackageManager::SigINTStop = true; +} /*}}}*/ // pkgDpkgPM::Reset - Dump the contents of the command list /*{{{*/ // --------------------------------------------------------------------- @@ -1373,8 +1472,8 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) fprintf(report, "ErrorMessage:\n %s\n", errormsg); // ensure that the log is flushed - if(term_out) - fflush(term_out); + if(d->term_out) + fflush(d->term_out); // attach terminal log it if we have it string logfile_name = _config->FindFile("Dir::Log::Terminal"); @@ -1396,7 +1495,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) // log the ordering const char *ops_str[] = {"Install", "Configure","Remove","Purge"}; fprintf(report, "AptOrdering:\n"); - for (vector::iterator I = List.begin(); I != List.end(); I++) + for (vector::iterator I = List.begin(); I != List.end(); ++I) fprintf(report, " %s: %s\n", (*I).Pkg.Name(), ops_str[(*I).Op]); // attach dmesg log (to learn about segfaults) @@ -1411,7 +1510,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) { while( fgets(buf, sizeof(buf), log) != NULL) fprintf(report, " %s", buf); - fclose(log); + pclose(log); } } @@ -1427,7 +1526,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) { while( fgets(buf, sizeof(buf), log) != NULL) fprintf(report, " %s", buf); - fclose(log); + pclose(log); } }