diff options
Diffstat (limited to 'apt-pkg/deb/dpkgpm.cc')
| -rw-r--r-- | apt-pkg/deb/dpkgpm.cc | 345 |
1 files changed, 246 insertions, 99 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index b6c92fc23..63c5a6380 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -8,6 +8,8 @@ ##################################################################### */ /*}}}*/ // Includes /*{{{*/ +#include <config.h> + #include <apt-pkg/dpkgpm.h> #include <apt-pkg/error.h> #include <apt-pkg/configuration.h> @@ -16,6 +18,7 @@ #include <apt-pkg/strutl.h> #include <apt-pkg/fileutl.h> #include <apt-pkg/cachefile.h> +#include <apt-pkg/packagemanager.h> #include <unistd.h> #include <stdlib.h> @@ -40,12 +43,28 @@ #include <sys/ioctl.h> #include <pty.h> -#include <config.h> #include <apti18n.h> /*}}}*/ using namespace std; +class pkgDPkgPMPrivate +{ +public: + 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 + 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 @@ -91,7 +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]; @@ -106,13 +125,71 @@ 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; +} + /*}}}*/ +ssize_t retry_write(int fd, const void *buf, size_t count) +{ + int Res; + ssize_t i = 0; + errno = 0; + do + { + Res = write(fd, buf, count); + if (Res < 0 && errno == EINTR) + continue; + if (Res < 0) + break; + buf = (char *)buf + Res; + count -= Res; + i += Res; + } + while (Res > 0 && count > 0); + return i; +} + // DPkgPM::pkgDPkgPM - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ 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 /*{{{*/ @@ -120,6 +197,7 @@ pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) /* */ pkgDPkgPM::~pkgDPkgPM() { + delete d; } /*}}}*/ // DPkgPM::Install - Install a package /*{{{*/ @@ -310,15 +388,7 @@ 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"; @@ -374,9 +444,9 @@ 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); + retry_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 /*{{{*/ @@ -400,9 +470,9 @@ void pkgDPkgPM::DoTerminalPty(int master) } if(len <= 0) return; - write(1, term_buf, len); - if(term_out) - fwrite(term_buf, len, sizeof(char), term_out); + retry_write(1, term_buf, len); + if(d->term_out) + fwrite(term_buf, len, sizeof(char), d->term_out); } /*}}}*/ // DPkgPM::ProcessDpkgStatusBuf /*{{{*/ @@ -475,7 +545,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << ":" << s << endl; if(OutStatusFd > 0) - write(OutStatusFd, status.str().c_str(), status.str().size()); + retry_write(OutStatusFd, status.str().c_str(), status.str().size()); if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; @@ -499,7 +569,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << ":" << list[3] << endl; if(OutStatusFd > 0) - write(OutStatusFd, status.str().c_str(), status.str().size()); + retry_write(OutStatusFd, status.str().c_str(), status.str().size()); if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; pkgFailures++; @@ -513,7 +583,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << ":" << list[3] << endl; if(OutStatusFd > 0) - write(OutStatusFd, status.str().c_str(), status.str().size()); + retry_write(OutStatusFd, status.str().c_str(), status.str().size()); if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; return; @@ -541,7 +611,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << ":" << s << endl; if(OutStatusFd > 0) - write(OutStatusFd, status.str().c_str(), status.str().size()); + retry_write(OutStatusFd, status.str().c_str(), status.str().size()); if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; } @@ -606,14 +676,14 @@ 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); @@ -621,8 +691,8 @@ 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; @@ -630,8 +700,8 @@ 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 /*{{{*/ @@ -643,7 +713,7 @@ 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() @@ -664,11 +734,11 @@ 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); + setvbuf(d->term_out, NULL, _IONBF, 0); + SetCloseExec(fileno(d->term_out), true); struct passwd *pw; struct group *gr; pw = getpwnam("root"); @@ -676,7 +746,7 @@ bool pkgDPkgPM::OpenLog() 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); + fprintf(d->term_out, "\nLog started: %s\n", timestr); } // write your history @@ -684,11 +754,11 @@ 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); + 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) { @@ -729,7 +799,7 @@ bool pkgDPkgPM::OpenLog() WriteHistoryTag("Downgrade",downgrade); WriteHistoryTag("Remove",remove); WriteHistoryTag("Purge",purge); - fflush(history_out); + fflush(d->history_out); } return true; @@ -743,16 +813,16 @@ 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) { @@ -769,12 +839,12 @@ 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; } @@ -811,6 +881,58 @@ 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<const char *> 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; @@ -882,32 +1004,25 @@ bool pkgDPkgPM::Go(int OutStatusFd) } } - stdin_is_dev_null = false; + d->stdin_is_dev_null = false; // create log OpenLog(); - // 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"); - 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) + bool dpkgMultiArch = false; + if (dpkgAssertMultiArch > 0) { - Opts = Opts->Child; - for (; Opts != 0; Opts = Opts->Next) + int Status = 0; + while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch) { - if (Opts->Value.empty() == true) + if (errno == EINTR) continue; - Args.push_back(Opts->Value.c_str()); - StartSize += Opts->Value.length(); + _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; } - size_t const BaseArgs = Args.size(); // this loop is runs once per operation for (vector<Item>::const_iterator I = List.begin(); I != List.end();) @@ -943,20 +1058,24 @@ 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; - Args.reserve(MaxArgs + 10); + unsigned long const size = MaxArgs + 10; + Args.reserve(size); + Packages.reserve(size); } else { - Args.reserve((J - I) + 10); + unsigned long const size = (J - I) + 10; + Args.reserve(size); + Packages.reserve(size); } - int fd[2]; - pipe(fd); + 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 @@ -965,6 +1084,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) char status_fd_buf[20]; snprintf(status_fd_buf,sizeof(status_fd_buf),"%i", fd[1]); ADDARG(status_fd_buf); + unsigned long const Op = I->Op; switch (I->Op) { @@ -1028,14 +1148,29 @@ 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")) + // 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"))) { char const * const name = I->Pkg.Name(); ADDARG(name); } else { - char * const fullname = strdup(I->Pkg.FullName(false).c_str()); + 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 (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); } @@ -1067,8 +1202,13 @@ 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); @@ -1087,8 +1227,8 @@ 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; @@ -1106,7 +1246,6 @@ bool pkgDPkgPM::Go(int OutStatusFd) sigprocmask(SIG_SETMASK, &original_sigmask, 0); } } - // Fork dpkg pid_t Child; _config->Set("APT::Keep-Fds::",fd[1]); @@ -1117,7 +1256,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) << (PackagesDone/float(PackagesTotal)*100.0) << ":" << _("Running dpkg") << endl; - write(OutStatusFd, status.str().c_str(), status.str().size()); + retry_write(OutStatusFd, status.str().c_str(), status.str().size()); } Child = ExecFork(); @@ -1136,14 +1275,7 @@ 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); @@ -1213,13 +1345,14 @@ 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) @@ -1253,6 +1386,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) // Restore sig int/quit signal(SIGQUIT,old_SIGQUIT); signal(SIGINT,old_SIGINT); + signal(SIGHUP,old_SIGHUP); if(master >= 0) @@ -1273,14 +1407,14 @@ 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("%s", dpkg_error.c_str()); + if(d->dpkg_error.size() > 0) + _error->Error("%s", d->dpkg_error.c_str()); if(stopOnError) { @@ -1290,6 +1424,9 @@ 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; @@ -1314,6 +1451,10 @@ 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 /*{{{*/ // --------------------------------------------------------------------- @@ -1328,6 +1469,12 @@ 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; @@ -1415,7 +1562,7 @@ 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); @@ -1444,8 +1591,8 @@ 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"); |