diff options
Diffstat (limited to 'apt-pkg/deb/dpkgpm.cc')
| -rw-r--r-- | apt-pkg/deb/dpkgpm.cc | 164 |
1 files changed, 156 insertions, 8 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index 40aafafa4..ae99e4324 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -12,6 +12,7 @@ #include <apt-pkg/error.h> #include <apt-pkg/configuration.h> #include <apt-pkg/depcache.h> +#include <apt-pkg/pkgrecords.h> #include <apt-pkg/strutl.h> #include <apti18n.h> #include <apt-pkg/fileutl.h> @@ -24,6 +25,7 @@ #include <sys/wait.h> #include <signal.h> #include <errno.h> +#include <string.h> #include <stdio.h> #include <string.h> #include <algorithm> @@ -79,7 +81,7 @@ namespace /* */ 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) { } /*}}}*/ @@ -306,7 +308,6 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) return true; } - /*}}}*/ // DPkgPM::DoStdin - Read stdin and pass to slave pty /*{{{*/ // --------------------------------------------------------------------- @@ -374,7 +375,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) '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 @@ -422,6 +423,14 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) 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] @@ -430,6 +439,8 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) write(OutStatusFd, status.str().c_str(), status.str().size()); if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true) std::clog << "send: '" << status.str() << "'" << endl; + pkgFailures++; + WriteApportReport(list[1], list[3]); return; } if(strncmp(action,"conffile",strlen("conffile")) == 0) @@ -587,6 +598,11 @@ static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds, */ bool pkgDPkgPM::Go(int OutStatusFd) { + fd_set rfds; + struct timespec tv; + sigset_t sigmask; + sigset_t original_sigmask; + 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); @@ -798,7 +814,14 @@ bool pkgDPkgPM::Go(int OutStatusFd) 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 @@ -865,10 +888,6 @@ bool pkgDPkgPM::Go(int OutStatusFd) 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); @@ -887,7 +906,6 @@ 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) @@ -974,3 +992,133 @@ 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; + } + + // 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); + } + } + fclose(report); +} + /*}}}*/ |