X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/09fab2442c2ab9a503841d3dcd56b3c0c3efb502..2183a0862311cf2fbb82f61ecdcdf3816ce90040:/apt-pkg/deb/dpkgpm.cc diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index 85e54988e..500d4a260 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -24,6 +25,7 @@ #include #include #include +#include #include #include #include @@ -74,12 +76,37 @@ namespace }; } +/* helper function to ionice the given PID + + there is no C header for ionice yet - just the syscall interface + so we use the binary from util-linux +*/ +static bool +ionice(int PID) +{ + if (!FileExists("/usr/bin/ionice")) + return false; + pid_t Process = ExecFork(); + if (Process == 0) + { + char buf[32]; + snprintf(buf, sizeof(buf), "-p%d", PID); + const char *Args[4]; + Args[0] = "/usr/bin/ionice"; + Args[1] = "-c3"; + Args[2] = buf; + Args[3] = 0; + execv(Args[0], (char **)Args); + } + return ExecWait(Process, "ionice"); +} + // DPkgPM::pkgDPkgPM - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache) : pkgPackageManager(Cache), dpkgbuf_pos(0), - term_out(NULL), PackagesDone(0), PackagesTotal(0) + term_out(NULL), PackagesDone(0), PackagesTotal(0), pkgFailures(0) { } /*}}}*/ @@ -109,8 +136,14 @@ bool pkgDPkgPM::Configure(PkgIterator Pkg) { if (Pkg.end() == true) return false; - - List.push_back(Item(Item::Configure,Pkg)); + + List.push_back(Item(Item::Configure, Pkg)); + + // Use triggers for config calls if we configure "smart" + // as otherwise Pre-Depends will not be satisfied, see #526774 + if (_config->FindB("DPkg::TriggersPending", false) == true) + List.push_back(Item(Item::TriggersPending, PkgIterator())); + return true; } /*}}}*/ @@ -165,6 +198,9 @@ bool pkgDPkgPM::SendV2Pkgs(FILE *F) // Write out the package actions in order. for (vector::iterator I = List.begin(); I != List.end(); I++) { + if(I->Pkg.end() == true) + continue; + pkgDepCache::StateCache &S = Cache[I->Pkg]; fprintf(F,"%s ",I->Pkg.Name()); @@ -306,7 +342,6 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) return true; } - /*}}}*/ // DPkgPM::DoStdin - Read stdin and pass to slave pty /*{{{*/ // --------------------------------------------------------------------- @@ -353,10 +388,11 @@ void pkgDPkgPM::DoTerminalPty(int master) */ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) { + bool const Debug = _config->FindB("Debug::pkgDPkgProgressReporting",false); // the status we output ostringstream status; - if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true) + if (Debug == true) std::clog << "got from dpkg '" << line << "'" << std::endl; @@ -371,10 +407,11 @@ 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: trigproc: trigger' */ - char* list[5]; + char* list[6]; // dpkg sends multiline error messages sometimes (see // #374195 for a example. we should support this by // either patching dpkg to not send multiline over the @@ -383,28 +420,28 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) TokSplitString(':', line, list, sizeof(list)/sizeof(list[0])); if( list[0] == NULL || list[1] == NULL || list[2] == NULL) { - if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true) + if (Debug == true) std::clog << "ignoring line: not enough ':'" << std::endl; return; } - char *pkg = list[1]; - char *action = _strstrip(list[2]); + const char* const pkg = list[1]; + const char* action = _strstrip(list[2]); // 'processing' from dpkg looks like // 'processing: action: pkg' if(strncmp(list[0], "processing", strlen("processing")) == 0) { char s[200]; - char *pkg_or_trigger = _strstrip(list[2]); - action =_strstrip( list[1]); + const char* const pkg_or_trigger = _strstrip(list[2]); + action = _strstrip( list[1]); const std::pair * const iter = std::find_if(PackageProcessingOpsBegin, PackageProcessingOpsEnd, MatchProcessingOp(action)); if(iter == PackageProcessingOpsEnd) { - if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true) - std::clog << "ignoring unknwon action: " << action << std::endl; + if (Debug == true) + std::clog << "ignoring unknown action: " << action << std::endl; return; } snprintf(s, sizeof(s), _(iter->second), pkg_or_trigger); @@ -415,24 +452,34 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << endl; if(OutStatusFd > 0) write(OutStatusFd, status.str().c_str(), status.str().size()); - if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true) + if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; return; } if(strncmp(action,"error",strlen("error")) == 0) { + // urgs, sometime has ":" in its error string so that we + // end up with the error message split between list[3] + // and list[4], e.g. the message: + // "failed in buffer_write(fd) (10, ret=-1): backend dpkg-deb ..." + // concat them again + if( list[4] != NULL ) + list[3][strlen(list[3])] = ':'; + status << "pmerror:" << list[1] << ":" << (PackagesDone/float(PackagesTotal)*100.0) << ":" << list[3] << endl; if(OutStatusFd > 0) write(OutStatusFd, status.str().c_str(), status.str().size()); - if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true) + if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; + pkgFailures++; + WriteApportReport(list[1], list[3]); return; } - if(strncmp(action,"conffile",strlen("conffile")) == 0) + else if(strncmp(action,"conffile",strlen("conffile")) == 0) { status << "pmconffile:" << list[1] << ":" << (PackagesDone/float(PackagesTotal)*100.0) @@ -440,12 +487,12 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << endl; if(OutStatusFd > 0) write(OutStatusFd, status.str().c_str(), status.str().size()); - if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true) + if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; return; } - vector &states = PackageOps[pkg]; + vector const &states = PackageOps[pkg]; const char *next_action = NULL; if(PackageOpsDone[pkg] < states.size()) next_action = states[PackageOpsDone[pkg]].state; @@ -468,15 +515,15 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) << endl; if(OutStatusFd > 0) write(OutStatusFd, status.str().c_str(), status.str().size()); - if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true) + if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; } - if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true) + if (Debug == true) std::clog << "(parsed from dpkg) pkg: " << pkg << " action: " << action << endl; } - -// DPkgPM::DoDpkgStatusFd /*{{{*/ + /*}}}*/ +// DPkgPM::DoDpkgStatusFd /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -513,7 +560,7 @@ void pkgDPkgPM::DoDpkgStatusFd(int statusfd, int OutStatusFd) dpkgbuf_pos = dpkgbuf+dpkgbuf_pos-p; } /*}}}*/ - +// DPkgPM::OpenLog /*{{{*/ bool pkgDPkgPM::OpenLog() { string logdir = _config->FindDir("Dir::Log"); @@ -536,7 +583,8 @@ bool pkgDPkgPM::OpenLog() } return true; } - + /*}}}*/ +// DPkg::CloseLog /*{{{*/ bool pkgDPkgPM::CloseLog() { if(term_out) @@ -553,7 +601,7 @@ bool pkgDPkgPM::CloseLog() term_out = NULL; return true; } - + /*}}}*/ /*{{{*/ // This implements a racy version of pselect for those architectures // that don't have a working implementation. @@ -575,7 +623,6 @@ static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds, return retval; } /*}}}*/ - // DPkgPM::Go - Run the sequence /*{{{*/ // --------------------------------------------------------------------- /* This globs the operations and calls dpkg @@ -587,9 +634,14 @@ static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds, */ bool pkgDPkgPM::Go(int OutStatusFd) { - unsigned int MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024); - unsigned int MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024); - bool NoTriggers = _config->FindB("DPkg::NoTriggers",false); + fd_set rfds; + struct timespec tv; + sigset_t sigmask; + sigset_t original_sigmask; + + unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024); + unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024); + bool const NoTriggers = _config->FindB("DPkg::NoTriggers", false); if (RunScripts("DPkg::Pre-Invoke") == false) return false; @@ -597,6 +649,12 @@ bool pkgDPkgPM::Go(int OutStatusFd) if (RunScriptsWithPkgs("DPkg::Pre-Install-Pkgs") == false) return false; + // support subpressing of triggers processing for special + // cases like d-i that runs the triggers handling manually + bool const SmartConf = (_config->Find("PackageManager::Configure", "all") != "all"); + if (_config->FindB("DPkg::ConfigurePending", SmartConf) == true) + List.push_back(Item(Item::ConfigurePending, PkgIterator())); + // map the dpkg states to the operations that are performed // (this is sorted in the same way as Item::Ops) static const struct DpkgState DpkgStatesOpMap[][7] = { @@ -610,20 +668,12 @@ bool pkgDPkgPM::Go(int OutStatusFd) { {"unpacked",N_("Preparing to configure %s") }, {"half-configured", N_("Configuring %s") }, -#if 0 - {"triggers-awaited", N_("Processing triggers for %s") }, - {"triggers-pending", N_("Processing triggers for %s") }, -#endif { "installed", N_("Installed %s")}, {NULL, NULL} }, // Remove operation { {"half-configured", N_("Preparing for removal of %s")}, -#if 0 - {"triggers-awaited", N_("Preparing for removal of %s")}, - {"triggers-pending", N_("Preparing for removal of %s")}, -#endif {"half-installed", N_("Removing %s")}, {"config-files", N_("Removed %s")}, {NULL, NULL} @@ -640,16 +690,19 @@ 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::iterator I = List.begin(); I != List.end();I++) + for (vector::const_iterator I = List.begin(); I != List.end();I++) { - string name = (*I).Pkg.Name(); + 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++) { PackageOps[name].push_back(DpkgStatesOpMap[(*I).Op][i]); PackagesTotal++; } - } + } stdin_is_dev_null = false; @@ -657,19 +710,28 @@ bool pkgDPkgPM::Go(int OutStatusFd) OpenLog(); // this loop is runs once per operation - for (vector::iterator I = List.begin(); I != List.end();) + for (vector::const_iterator I = List.begin(); I != List.end();) { - vector::iterator J = I; - for (; J != List.end() && J->Op == I->Op; J++); + vector::const_iterator J = I; + for (; J != List.end() && J->Op == I->Op; J++) + /* nothing */; // Generate the argument list const char *Args[MaxArgs + 50]; + + // 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 if (J - I > (signed)MaxArgs) J = I + MaxArgs; unsigned int n = 0; unsigned long Size = 0; - string Tmp = _config->Find("Dir::Bin::dpkg","dpkg"); + string const Tmp = _config->Find("Dir::Bin::dpkg","dpkg"); Args[n++] = Tmp.c_str(); Size += strlen(Args[n-1]); @@ -719,11 +781,23 @@ bool pkgDPkgPM::Go(int OutStatusFd) case Item::Configure: Args[n++] = "--configure"; - if (NoTriggers) - Args[n++] = "--no-triggers"; Size += strlen(Args[n-1]); break; - + + case Item::ConfigurePending: + Args[n++] = "--configure"; + Size += strlen(Args[n-1]); + Args[n++] = "--pending"; + Size += strlen(Args[n-1]); + break; + + case Item::TriggersPending: + Args[n++] = "--triggers-only"; + Size += strlen(Args[n-1]); + Args[n++] = "--pending"; + Size += strlen(Args[n-1]); + break; + case Item::Install: Args[n++] = "--unpack"; Size += strlen(Args[n-1]); @@ -731,7 +805,14 @@ bool pkgDPkgPM::Go(int OutStatusFd) Size += strlen(Args[n-1]); break; } - + + if (NoTriggers == true && I->Op != Item::TriggersPending && + I->Op != Item::ConfigurePending) + { + Args[n++] = "--no-triggers"; + Size += strlen(Args[n-1]); + } + // Write in the file or package names if (I->Op == Item::Install) { @@ -747,6 +828,8 @@ bool pkgDPkgPM::Go(int OutStatusFd) { for (;I != J && Size < MaxArgBytes; I++) { + if((*I).Pkg.end() == true) + continue; Args[n++] = I->Pkg.Name(); Size += strlen(Args[n-1]); } @@ -778,30 +861,49 @@ bool pkgDPkgPM::Go(int OutStatusFd) struct termios tt; struct winsize win; - int master; - int slave; + int master = -1; + int slave = -1; - // FIXME: setup sensible signal handling (*ick*) - tcgetattr(0, &tt); - ioctl(0, TIOCGWINSZ, (char *)&win); - if (openpty(&master, &slave, NULL, &tt, &win) < 0) + // if tcgetattr does not return zero there was a error + // and we do not do any pty magic + if (tcgetattr(0, &tt) == 0) { - const char *s = _("Can not write log, openpty() " - "failed (/dev/pts not mounted?)\n"); - fprintf(stderr, "%s",s); - fprintf(term_out, "%s",s); - master = slave = -1; - } else { - struct termios rtt; - rtt = tt; - cfmakeraw(&rtt); - rtt.c_lflag &= ~ECHO; - tcsetattr(0, TCSAFLUSH, &rtt); + ioctl(0, TIOCGWINSZ, (char *)&win); + if (openpty(&master, &slave, NULL, &tt, &win) < 0) + { + const char *s = _("Can not write log, openpty() " + "failed (/dev/pts not mounted?)\n"); + fprintf(stderr, "%s",s); + fprintf(term_out, "%s",s); + master = slave = -1; + } else { + struct termios rtt; + rtt = tt; + cfmakeraw(&rtt); + rtt.c_lflag &= ~ECHO; + // block SIGTTOU during tcsetattr to prevent a hang if + // the process is a member of the background process group + // http://www.opengroup.org/onlinepubs/000095399/functions/tcsetattr.html + sigemptyset(&sigmask); + sigaddset(&sigmask, SIGTTOU); + sigprocmask(SIG_BLOCK,&sigmask, &original_sigmask); + tcsetattr(0, TCSAFLUSH, &rtt); + sigprocmask(SIG_SETMASK, &original_sigmask, 0); + } } // Fork dpkg pid_t Child; _config->Set("APT::Keep-Fds::",fd[1]); + // send status information that we are about to fork dpkg + if(OutStatusFd > 0) { + ostringstream status; + status << "pmstatus:dpkg-exec:" + << (PackagesDone/float(PackagesTotal)*100.0) + << ":" << _("Running dpkg") + << endl; + write(OutStatusFd, status.str().c_str(), status.str().size()); + } Child = ExecFork(); // This is the child @@ -819,6 +921,15 @@ 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); + } + if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0) _exit(100); @@ -838,7 +949,6 @@ bool pkgDPkgPM::Go(int OutStatusFd) _exit(100); } - /* No Job Control Stop Env is a magic dpkg var that prevents it from using sigstop */ putenv((char *)"DPKG_NO_TSTP=yes"); @@ -847,6 +957,10 @@ bool pkgDPkgPM::Go(int OutStatusFd) _exit(100); } + // apply ionice + if (_config->FindB("DPkg::UseIoNice", false) == true) + ionice(Child); + // clear the Keep-Fd again _config->Clear("APT::Keep-Fds",fd[1]); @@ -854,22 +968,18 @@ bool pkgDPkgPM::Go(int OutStatusFd) int Status = 0; // we read from dpkg here - int _dpkgin = fd[0]; + int const _dpkgin = fd[0]; close(fd[1]); // close the write end of the pipe - // the result of the waitpid call - int res; if(slave > 0) close(slave); // setups fds - fd_set rfds; - struct timespec tv; - sigset_t sigmask; - sigset_t original_sigmask; sigemptyset(&sigmask); sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask); + // the result of the waitpid call + int res; int select_ret; while ((res=waitpid(Child,&Status, WNOHANG)) != Child) { if(res < 0) { @@ -885,7 +995,6 @@ 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) @@ -936,7 +1045,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) // if it was set to "keep-dpkg-runing" then we won't return // here but keep the loop going and just report it as a error // for later - bool stopOnError = _config->FindB("Dpkg::StopOnError",true); + bool const stopOnError = _config->FindB("Dpkg::StopOnError",true); if(stopOnError) RunScripts("DPkg::Post-Invoke"); @@ -972,3 +1081,186 @@ void pkgDPkgPM::Reset() List.erase(List.begin(),List.end()); } /*}}}*/ +// pkgDpkgPM::WriteApportReport - write out error report pkg failure /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg) +{ + string pkgname, reportfile, srcpkgname, pkgver, arch; + string::size_type pos; + FILE *report; + + if (_config->FindB("Dpkg::ApportFailureReport",true) == false) + { + std::clog << "configured to not write apport reports" << std::endl; + return; + } + + // only report the first errors + if(pkgFailures > _config->FindI("APT::Apport::MaxReports", 3)) + { + std::clog << _("No apport report written because MaxReports is reached already") << std::endl; + return; + } + + // check if its not a follow up error + const char *needle = dgettext("dpkg", "dependency problems - leaving unconfigured"); + if(strstr(errormsg, needle) != NULL) { + std::clog << _("No apport report written because the error message indicates its a followup error from a previous failure.") << std::endl; + return; + } + + // do not report disk-full failures + if(strstr(errormsg, strerror(ENOSPC)) != NULL) { + std::clog << _("No apport report written because the error message indicates a disk full error") << std::endl; + return; + } + + // do not report out-of-memory failures + if(strstr(errormsg, strerror(ENOMEM)) != 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; + return; + } + + // get the pkgname and reportfile + pkgname = flNotDir(pkgpath); + pos = pkgname.find('_'); + if(pos != string::npos) + pkgname = pkgname.substr(0, pos); + + // find the package versin and source package name + pkgCache::PkgIterator Pkg = Cache.FindPkg(pkgname); + if (Pkg.end() == true) + return; + pkgCache::VerIterator Ver = Cache.GetCandidateVer(Pkg); + if (Ver.end() == true) + return; + pkgver = Ver.VerStr() == NULL ? "unknown" : Ver.VerStr(); + pkgRecords Recs(Cache); + pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList()); + srcpkgname = Parse.SourcePkg(); + if(srcpkgname.empty()) + srcpkgname = pkgname; + + // if the file exists already, we check: + // - if it was reported already (touched by apport). + // If not, we do nothing, otherwise + // we overwrite it. This is the same behaviour as apport + // - if we have a report with the same pkgversion already + // then we skip it + reportfile = flCombine("/var/crash",pkgname+".0.crash"); + if(FileExists(reportfile)) + { + struct stat buf; + char strbuf[255]; + + // check atime/mtime + stat(reportfile.c_str(), &buf); + if(buf.st_mtime > buf.st_atime) + return; + + // check if the existing report is the same version + report = fopen(reportfile.c_str(),"r"); + while(fgets(strbuf, sizeof(strbuf), report) != NULL) + { + if(strstr(strbuf,"Package:") == strbuf) + { + char pkgname[255], version[255]; + if(sscanf(strbuf, "Package: %s %s", pkgname, version) == 2) + if(strcmp(pkgver.c_str(), version) == 0) + { + fclose(report); + return; + } + } + } + fclose(report); + } + + // now write the report + arch = _config->Find("APT::Architecture"); + report = fopen(reportfile.c_str(),"w"); + if(report == NULL) + return; + if(_config->FindB("DPkgPM::InitialReportOnly",false) == true) + chmod(reportfile.c_str(), 0); + else + chmod(reportfile.c_str(), 0600); + fprintf(report, "ProblemType: Package\n"); + fprintf(report, "Architecture: %s\n", arch.c_str()); + time_t now = time(NULL); + fprintf(report, "Date: %s" , ctime(&now)); + fprintf(report, "Package: %s %s\n", pkgname.c_str(), pkgver.c_str()); + fprintf(report, "SourcePackage: %s\n", srcpkgname.c_str()); + fprintf(report, "ErrorMessage:\n %s\n", errormsg); + + // ensure that the log is flushed + if(term_out) + fflush(term_out); + + // attach terminal log it if we have it + string logfile_name = _config->FindFile("Dir::Log::Terminal"); + if (!logfile_name.empty()) + { + FILE *log = NULL; + char buf[1024]; + + fprintf(report, "DpkgTerminalLog:\n"); + log = fopen(logfile_name.c_str(),"r"); + if(log != NULL) + { + while( fgets(buf, sizeof(buf), log) != NULL) + fprintf(report, " %s", buf); + fclose(log); + } + } + + // 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++) + fprintf(report, " %s: %s\n", (*I).Pkg.Name(), 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"); + if(log != NULL) + { + while( fgets(buf, sizeof(buf), log) != NULL) + fprintf(report, " %s", buf); + fclose(log); + } + } + + // 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"); + if(log != NULL) + { + while( fgets(buf, sizeof(buf), log) != NULL) + fprintf(report, " %s", buf); + fclose(log); + } + } + + fclose(report); + +} + /*}}}*/