X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/a0e07f3ec885c12c733c12805391646c202f3f31..49e1672884bf8d50713812bdd4eca26ab2076711:/apt-pkg/deb/dpkgpm.cc diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index 2c34465c0..fb0473535 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -50,8 +51,10 @@ 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 @@ -107,7 +110,7 @@ ionice(int PID) { if (!FileExists("/usr/bin/ionice")) return false; - pid_t Process = ExecFork(); + pid_t Process = ExecFork(); if (Process == 0) { char buf[32]; @@ -122,6 +125,45 @@ 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 /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -145,7 +187,7 @@ pkgDPkgPM::~pkgDPkgPM() 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()); + return _error->Error("Internal Error, No file name for %s",Pkg.FullName().c_str()); // If the filename string begins with DPkg::Chroot-Directory, return the // substr that is within the chroot so dpkg can access it. @@ -196,15 +238,23 @@ bool pkgDPkgPM::Remove(PkgIterator Pkg,bool Purge) return true; } /*}}}*/ -// DPkgPM::SendV2Pkgs - Send version 2 package info /*{{{*/ +// DPkgPM::SendPkgInfo - Send info for install-pkgs hook /*{{{*/ // --------------------------------------------------------------------- /* This is part of the helper script communication interface, it sends very complete information down to the other end of the pipe.*/ bool pkgDPkgPM::SendV2Pkgs(FILE *F) { - fprintf(F,"VERSION 2\n"); - - /* Write out all of the configuration directives by walking the + return SendPkgsInfo(F, 2); +} +bool pkgDPkgPM::SendPkgsInfo(FILE * const F, unsigned int const &Version) +{ + // This version of APT supports only v3, so don't sent higher versions + if (Version <= 3) + fprintf(F,"VERSION %u\n", Version); + else + fprintf(F,"VERSION 3\n"); + + /* Write out all of the configuration directives by walking the configuration tree */ const Configuration::Item *Top = _config->Tree(0); for (; Top != 0;) @@ -238,30 +288,51 @@ bool pkgDPkgPM::SendV2Pkgs(FILE *F) pkgDepCache::StateCache &S = Cache[I->Pkg]; fprintf(F,"%s ",I->Pkg.Name()); - // Current version - if (I->Pkg->CurrentVer == 0) - fprintf(F,"- "); + + // Current version which we are going to replace + pkgCache::VerIterator CurVer = I->Pkg.CurrentVer(); + if (CurVer.end() == true && (I->Op == Item::Remove || I->Op == Item::Purge)) + CurVer = FindNowVersion(I->Pkg); + + else if (CurVer.end() == true) + { + if (Version <= 2) + fprintf(F, "- "); + else + fprintf(F, "- - none "); + } else - fprintf(F,"%s ",I->Pkg.CurrentVer().VerStr()); - - // Show the compare operator - // Target version + { + fprintf(F, "%s ", CurVer.VerStr()); + if (Version >= 3) + fprintf(F, "%s %s ", CurVer.Arch(), CurVer.MultiArchType()); + } + + // Show the compare operator between current and install version if (S.InstallVer != 0) { + pkgCache::VerIterator const InstVer = S.InstVerIter(Cache); int Comp = 2; - if (I->Pkg->CurrentVer != 0) - Comp = S.InstVerIter(Cache).CompareVer(I->Pkg.CurrentVer()); + if (CurVer.end() == false) + Comp = InstVer.CompareVer(CurVer); if (Comp < 0) fprintf(F,"> "); - if (Comp == 0) + else if (Comp == 0) fprintf(F,"= "); - if (Comp > 0) + else if (Comp > 0) fprintf(F,"< "); - fprintf(F,"%s ",S.InstVerIter(Cache).VerStr()); + fprintf(F, "%s ", InstVer.VerStr()); + if (Version >= 3) + fprintf(F, "%s %s ", InstVer.Arch(), InstVer.MultiArchType()); } else - fprintf(F,"> - "); - + { + if (Version <= 2) + fprintf(F, "> - "); + else + fprintf(F, "> - - none "); + } + // Show the filename/operation if (I->Op == Item::Install) { @@ -271,9 +342,9 @@ bool pkgDPkgPM::SendV2Pkgs(FILE *F) else fprintf(F,"%s\n",I->File.c_str()); } - if (I->Op == Item::Configure) + else if (I->Op == Item::Configure) fprintf(F,"**CONFIGURE**\n"); - if (I->Op == Item::Remove || + else if (I->Op == Item::Remove || I->Op == Item::Purge) fprintf(F,"**REMOVE**\n"); @@ -327,15 +398,7 @@ 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"; @@ -370,7 +433,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) } } else - SendV2Pkgs(F); + SendPkgsInfo(F, Version); fclose(F); @@ -391,7 +454,7 @@ void pkgDPkgPM::DoStdin(int master) unsigned char input_buf[256] = {0,}; ssize_t len = read(0, input_buf, sizeof(input_buf)); if (len) - write(master, input_buf, len); + FileFd::Write(master, input_buf, len); else d->stdin_is_dev_null = true; } @@ -417,7 +480,7 @@ void pkgDPkgPM::DoTerminalPty(int master) } if(len <= 0) return; - write(1, term_buf, len); + FileFd::Write(1, term_buf, len); if(d->term_out) fwrite(term_buf, len, sizeof(char), d->term_out); } @@ -492,7 +555,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << ":" << s << endl; if(OutStatusFd > 0) - write(OutStatusFd, status.str().c_str(), status.str().size()); + FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; @@ -516,7 +579,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << ":" << list[3] << endl; if(OutStatusFd > 0) - write(OutStatusFd, status.str().c_str(), status.str().size()); + FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; pkgFailures++; @@ -530,7 +593,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << ":" << list[3] << endl; if(OutStatusFd > 0) - write(OutStatusFd, status.str().c_str(), status.str().size()); + FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; return; @@ -558,7 +621,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << ":" << s << endl; if(OutStatusFd > 0) - write(OutStatusFd, status.str().c_str(), status.str().size()); + FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; } @@ -692,7 +755,7 @@ bool pkgDPkgPM::OpenLog() 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); + chmod(logfile_name.c_str(), 0640); fprintf(d->term_out, "\nLog started: %s\n", timestr); } @@ -704,6 +767,7 @@ bool pkgDPkgPM::OpenLog() 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()); + SetCloseExec(fileno(d->history_out), true); chmod(history_name.c_str(), 0644); fprintf(d->history_out, "\nStart-Date: %s\n", timestr); string remove, purge, install, reinstall, upgrade, downgrade; @@ -828,6 +892,58 @@ static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds, */ bool pkgDPkgPM::Go(int OutStatusFd) { + pkgPackageManager::SigINTStop = false; + + // 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(); + + // 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()); + StartSize += Opts->Value.length(); + } + } + + 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) + { + 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); + 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); + } + fd_set rfds; struct timespec tv; sigset_t sigmask; @@ -904,6 +1020,21 @@ bool pkgDPkgPM::Go(int OutStatusFd) // create log OpenLog(); + 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; + } + // this loop is runs once per operation for (vector::const_iterator I = List.begin(); I != List.end();) { @@ -925,11 +1056,12 @@ bool pkgDPkgPM::Go(int OutStatusFd) 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; + std::vector Packages; + + // start with the baseset of arguments + unsigned long Size = StartSize; + Args.erase(Args.begin() + BaseArgs, Args.end()); // Now check if we are within the MaxArgs limit // @@ -937,93 +1069,74 @@ bool pkgDPkgPM::Go(int OutStatusFd) // 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; - - unsigned int n = 0; - unsigned long Size = 0; - string const Tmp = _config->Find("Dir::Bin::dpkg","dpkg"); - Args[n++] = Tmp.c_str(); - Size += strlen(Args[n-1]); - - // Stick in any custom dpkg options - Configuration::Item const *Opts = _config->Tree("DPkg::Options"); - if (Opts != 0) + unsigned long const size = MaxArgs + 10; + Args.reserve(size); + Packages.reserve(size); + } + else { - Opts = Opts->Child; - for (; Opts != 0; Opts = Opts->Next) - { - if (Opts->Value.empty() == true) - continue; - Args[n++] = Opts->Value.c_str(); - Size += Opts->Value.length(); - } + unsigned long const size = (J - I) + 10; + Args.reserve(size); + Packages.reserve(size); } - - char status_fd_buf[20]; + int fd[2]; - pipe(fd); - - Args[n++] = "--status-fd"; - Size += strlen(Args[n-1]); + if (pipe(fd) != 0) + return _error->Errno("pipe","Failed to create IPC pipe to dpkg"); + +#define ADDARG(X) Args.push_back(X); Size += strlen(X) +#define ADDARGC(X) Args.push_back(X); Size += sizeof(X) - 1 + + ADDARGC("--status-fd"); + char status_fd_buf[20]; snprintf(status_fd_buf,sizeof(status_fd_buf),"%i", fd[1]); - Args[n++] = status_fd_buf; - Size += strlen(Args[n-1]); + ADDARG(status_fd_buf); + unsigned long const Op = I->Op; switch (I->Op) { case Item::Remove: - Args[n++] = "--force-depends"; - Size += strlen(Args[n-1]); - Args[n++] = "--force-remove-essential"; - Size += strlen(Args[n-1]); - Args[n++] = "--remove"; - Size += strlen(Args[n-1]); + ADDARGC("--force-depends"); + ADDARGC("--force-remove-essential"); + ADDARGC("--remove"); break; case Item::Purge: - Args[n++] = "--force-depends"; - Size += strlen(Args[n-1]); - Args[n++] = "--force-remove-essential"; - Size += strlen(Args[n-1]); - Args[n++] = "--purge"; - Size += strlen(Args[n-1]); + ADDARGC("--force-depends"); + ADDARGC("--force-remove-essential"); + ADDARGC("--purge"); break; case Item::Configure: - Args[n++] = "--configure"; - Size += strlen(Args[n-1]); + ADDARGC("--configure"); break; case Item::ConfigurePending: - Args[n++] = "--configure"; - Size += strlen(Args[n-1]); - Args[n++] = "--pending"; - Size += strlen(Args[n-1]); + ADDARGC("--configure"); + ADDARGC("--pending"); break; case Item::TriggersPending: - Args[n++] = "--triggers-only"; - Size += strlen(Args[n-1]); - Args[n++] = "--pending"; - Size += strlen(Args[n-1]); + ADDARGC("--triggers-only"); + ADDARGC("--pending"); break; case Item::Install: - Args[n++] = "--unpack"; - Size += strlen(Args[n-1]); - Args[n++] = "--auto-deconfigure"; - Size += strlen(Args[n-1]); + ADDARGC("--unpack"); + ADDARGC("--auto-deconfigure"); break; } if (NoTriggers == true && I->Op != Item::TriggersPending && I->Op != Item::ConfigurePending) { - Args[n++] = "--no-triggers"; - Size += strlen(Args[n-1]); + ADDARGC("--no-triggers"); } +#undef ADDARGC // Write in the file or package names if (I->Op == Item::Install) @@ -1032,10 +1145,10 @@ bool pkgDPkgPM::Go(int OutStatusFd) { if (I->File[0] != '/') return _error->Error("Internal Error, Pathname to install is not absolute '%s'",I->File.c_str()); - Args[n++] = I->File.c_str(); - Size += strlen(Args[n-1]); + Args.push_back(I->File.c_str()); + Size += I->File.length(); } - } + } else { string const nativeArch = _config->Find("APT::Architecture"); @@ -1046,30 +1159,55 @@ bool pkgDPkgPM::Go(int OutStatusFd) continue; 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(); + // We keep this here to allow "smooth" transitions from e.g. multiarch dpkg/ubuntu to dpkg/debian + if (dpkgMultiArch == false && (I->Pkg.Arch() == nativeArch || + strcmp(I->Pkg.Arch(), "all") == 0 || + strcmp(I->Pkg.Arch(), "none") == 0)) + { + char const * const name = I->Pkg.Name(); + ADDARG(name); + } else { - Packages[pkgcount] = strdup(I->Pkg.FullName(false).c_str()); - Args[n++] = Packages[pkgcount++]; + pkgCache::VerIterator PkgVer; + std::string name = I->Pkg.Name(); + 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); + if (strcmp(I->Pkg.Arch(), "none") == 0) + ; // never arch-qualify a package without an arch + else 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); } - Size += strlen(Args[n-1]); } // skip configure action if all sheduled packages disappeared if (oldSize == Size) continue; } - Args[n] = 0; +#undef ADDARG + J = I; if (_config->FindB("Debug::pkgDPkgPM",false) == true) { - for (unsigned int k = 0; k != n; k++) - clog << Args[k] << ' '; + for (std::vector::const_iterator a = Args.begin(); + a != Args.end(); ++a) + clog << *a << ' '; clog << endl; continue; } - + Args.push_back(NULL); + cout << flush; clog << flush; cerr << flush; @@ -1079,8 +1217,13 @@ 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); @@ -1118,7 +1261,6 @@ bool pkgDPkgPM::Go(int OutStatusFd) sigprocmask(SIG_SETMASK, &original_sigmask, 0); } } - // Fork dpkg pid_t Child; _config->Set("APT::Keep-Fds::",fd[1]); @@ -1129,7 +1271,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) << (PackagesDone/float(PackagesTotal)*100.0) << ":" << _("Running dpkg") << endl; - write(OutStatusFd, status.str().c_str(), status.str().size()); + FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); } Child = ExecFork(); @@ -1148,14 +1290,7 @@ 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); @@ -1179,7 +1314,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) /* No Job Control Stop Env is a magic dpkg var that prevents it from using sigstop */ putenv((char *)"DPKG_NO_TSTP=yes"); - execvp(Args[0],(char **)Args); + execvp(Args[0], (char**) &Args[0]); cerr << "Could not exec dpkg!" << endl; _exit(100); } @@ -1205,10 +1340,11 @@ 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]); + /* free vectors (and therefore memory) as we don't need the included data anymore */ + for (std::vector::const_iterator p = Packages.begin(); + p != Packages.end(); ++p) + free(*p); + Packages.clear(); // the result of the waitpid call int res; @@ -1224,6 +1360,7 @@ 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"); } @@ -1264,6 +1401,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) // Restore sig int/quit signal(SIGQUIT,old_SIGQUIT); signal(SIGINT,old_SIGINT); + signal(SIGHUP,old_SIGHUP); if(master >= 0) @@ -1301,6 +1439,9 @@ 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; @@ -1325,6 +1466,10 @@ bool pkgDPkgPM::Go(int OutStatusFd) Cache.writeStateFile(NULL); return true; } + +void SigINT(int sig) { + pkgPackageManager::SigINTStop = true; +} /*}}}*/ // pkgDpkgPM::Reset - Dump the contents of the command list /*{{{*/ // --------------------------------------------------------------------- @@ -1339,6 +1484,12 @@ void pkgDPkgPM::Reset() /* */ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) { + // If apport doesn't exist or isn't installed do nothing + // This e.g. prevents messages in 'universes' without apport + pkgCache::PkgIterator apportPkg = Cache.FindPkg("apport"); + if (apportPkg.end() == true || apportPkg->CurrentVer == 0) + return; + string pkgname, reportfile, srcpkgname, pkgver, arch; string::size_type pos; FILE *report; @@ -1426,7 +1577,7 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) if(strstr(strbuf,"Package:") == strbuf) { char pkgname[255], version[255]; - if(sscanf(strbuf, "Package: %s %s", pkgname, version) == 2) + if(sscanf(strbuf, "Package: %254s %254s", pkgname, version) == 2) if(strcmp(pkgver.c_str(), version) == 0) { fclose(report); @@ -1463,12 +1614,12 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) if (!logfile_name.empty()) { FILE *log = NULL; - char buf[1024]; 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); fclose(log); @@ -1479,18 +1630,19 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) const char *ops_str[] = {"Install", "Configure","Remove","Purge"}; fprintf(report, "AptOrdering:\n"); for (vector::iterator I = List.begin(); I != List.end(); ++I) - fprintf(report, " %s: %s\n", (*I).Pkg.Name(), ops_str[(*I).Op]); + if ((*I).Pkg != NULL) + fprintf(report, " %s: %s\n", (*I).Pkg.Name(), ops_str[(*I).Op]); + else + fprintf(report, " %s: %s\n", "NULL", ops_str[(*I).Op]); // attach dmesg log (to learn about segfaults) if (FileExists("/bin/dmesg")) { - FILE *log = NULL; - char buf[1024]; - fprintf(report, "Dmesg:\n"); - log = popen("/bin/dmesg","r"); + FILE *log = popen("/bin/dmesg","r"); if(log != NULL) { + char buf[1024]; while( fgets(buf, sizeof(buf), log) != NULL) fprintf(report, " %s", buf); pclose(log); @@ -1500,13 +1652,12 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) // attach df -l log (to learn about filesystem status) if (FileExists("/bin/df")) { - FILE *log = NULL; - char buf[1024]; fprintf(report, "Df:\n"); - log = popen("/bin/df -l","r"); + FILE *log = popen("/bin/df -l","r"); if(log != NULL) { + char buf[1024]; while( fgets(buf, sizeof(buf), log) != NULL) fprintf(report, " %s", buf); pclose(log);