#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>
#include <unistd.h>
#include <stdlib.h>
// ---------------------------------------------------------------------
/* */
pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache)
- : pkgPackageManager(Cache), dpkgbuf_pos(0), PackagesDone(0),
- PackagesTotal(0), term_out(NULL)
+ : pkgPackageManager(Cache), dpkgbuf_pos(0),
+ term_out(NULL), PackagesDone(0), PackagesTotal(0)
{
}
/*}}}*/
return true;
}
/*}}}*/
-// DPkgPM::RunScripts - Run a set of scripts /*{{{*/
-// ---------------------------------------------------------------------
-/* This looks for a list of script sto run from the configuration file,
- each one is run with system from a forked child. */
-bool pkgDPkgPM::RunScripts(const char *Cnf)
-{
- Configuration::Item const *Opts = _config->Tree(Cnf);
- if (Opts == 0 || Opts->Child == 0)
- return true;
- Opts = Opts->Child;
-
- // Fork for running the system calls
- pid_t Child = ExecFork();
-
- // This is the child
- if (Child == 0)
- {
- if (chdir("/tmp/") != 0)
- _exit(100);
-
- unsigned int Count = 1;
- for (; Opts != 0; Opts = Opts->Next, Count++)
- {
- if (Opts->Value.empty() == true)
- continue;
-
- if (system(Opts->Value.c_str()) != 0)
- _exit(100+Count);
- }
- _exit(0);
- }
-
- // Wait for the child
- int Status = 0;
- while (waitpid(Child,&Status,0) != Child)
- {
- if (errno == EINTR)
- continue;
- return _error->Errno("waitpid","Couldn't wait for subprocess");
- }
-
- // Restore sig int/quit
- signal(SIGQUIT,SIG_DFL);
- signal(SIGINT,SIG_DFL);
-
- // Check for an error code.
- if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
- {
- unsigned int Count = WEXITSTATUS(Status);
- if (Count > 100)
- {
- Count -= 100;
- for (; Opts != 0 && Count != 1; Opts = Opts->Next, Count--);
- _error->Error("Problem executing scripts %s '%s'",Cnf,Opts->Value.c_str());
- }
-
- return _error->Error("Sub-process returned an error code");
- }
-
- return true;
-}
- /*}}}*/
// DPkgPM::SendV2Pkgs - Send version 2 package info /*{{{*/
// ---------------------------------------------------------------------
/* This is part of the helper script communication interface, it sends
return true;
}
-
/*}}}*/
// DPkgPM::DoStdin - Read stdin and pass to slave pty /*{{{*/
// ---------------------------------------------------------------------
*/
void pkgDPkgPM::DoStdin(int master)
{
- char input_buf[256] = {0,};
- int len = read(0, input_buf, sizeof(input_buf));
- write(master, input_buf, len);
+ unsigned char input_buf[256] = {0,};
+ ssize_t len = read(0, input_buf, sizeof(input_buf));
+ if (len)
+ write(master, input_buf, len);
+ else
+ stdin_is_dev_null = true;
}
/*}}}*/
// DPkgPM::DoTerminalPty - Read the terminal pty and write log /*{{{*/
*/
void pkgDPkgPM::DoTerminalPty(int master)
{
- char term_buf[1024] = {0,};
+ unsigned char term_buf[1024] = {0,0, };
- int len=read(master, term_buf, sizeof(term_buf));
- if(len <= 0)
+ ssize_t len=read(master, term_buf, sizeof(term_buf));
+ if(len == -1 && errno == EIO)
+ {
+ // this happens when the child is about to exit, we
+ // give it time to actually exit, otherwise we run
+ // into a race
+ usleep(500000);
+ return;
+ }
+ if(len <= 0)
return;
write(1, term_buf, len);
if(term_out)
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)
}
/*}}}*/
+bool pkgDPkgPM::OpenLog()
+{
+ string logdir = _config->FindDir("Dir::Log");
+ if(not FileExists(logdir))
+ return _error->Error(_("Directory '%s' missing"), logdir.c_str());
+ string logfile_name = flCombine(logdir,
+ _config->Find("Dir::Log::Terminal"));
+ if (!logfile_name.empty())
+ {
+ term_out = fopen(logfile_name.c_str(),"a");
+ chmod(logfile_name.c_str(), 0600);
+ // output current time
+ char outstr[200];
+ time_t t = time(NULL);
+ struct tm *tmp = localtime(&t);
+ strftime(outstr, sizeof(outstr), "%F %T", tmp);
+ fprintf(term_out, "\nLog started: ");
+ fprintf(term_out, outstr);
+ fprintf(term_out, "\n");
+ }
+ return true;
+}
+
+bool pkgDPkgPM::CloseLog()
+{
+ if(term_out)
+ {
+ char outstr[200];
+ time_t t = time(NULL);
+ struct tm *tmp = localtime(&t);
+ strftime(outstr, sizeof(outstr), "%F %T", tmp);
+ fprintf(term_out, "Log ended: ");
+ fprintf(term_out, outstr);
+ fprintf(term_out, "\n");
+ fclose(term_out);
+ }
+ term_out = NULL;
+ return true;
+}
+
+/*{{{*/
+// This implements a racy version of pselect for those architectures
+// that don't have a working implementation.
+// FIXME: Probably can be removed on Lenny+1
+static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds,
+ fd_set *exceptfds, const struct timespec *timeout,
+ const sigset_t *sigmask)
+{
+ sigset_t origmask;
+ struct timeval tv;
+ int retval;
+
+ tv.tv_sec = timeout->tv_sec;
+ tv.tv_usec = timeout->tv_nsec/1000;
+
+ sigprocmask(SIG_SETMASK, sigmask, &origmask);
+ retval = select(nfds, readfds, writefds, exceptfds, &tv);
+ sigprocmask(SIG_SETMASK, &origmask, 0);
+ return retval;
+}
+/*}}}*/
// DPkgPM::Go - Run the sequence /*{{{*/
// ---------------------------------------------------------------------
}
}
+ stdin_is_dev_null = false;
+
// create log
- string logdir = _config->FindDir("Dir::Log");
- if(not FileExists(logdir))
- return _error->Error(_("Directory '%s' missing"), logdir.c_str());
- string logfile_name = flCombine(logdir,
- _config->Find("Dir::Log::Terminal"));
- if (!logfile_name.empty())
- {
- term_out = fopen(logfile_name.c_str(),"a");
- chmod(logfile_name.c_str(), 0600);
- // output current time
- char outstr[200];
- time_t t = time(NULL);
- struct tm *tmp = localtime(&t);
- strftime(outstr, sizeof(outstr), "%F %T", tmp);
- fprintf(term_out, "\nLog started: ");
- fprintf(term_out, outstr);
- fprintf(term_out, "\n");
- }
+ OpenLog();
// this loop is runs once per operation
for (vector<Item>::iterator I = List.begin(); I != List.end();)
/* No Job Control Stop Env is a magic dpkg var that prevents it
from using sigstop */
- putenv("DPKG_NO_TSTP=yes");
+ putenv((char *)"DPKG_NO_TSTP=yes");
execvp(Args[0],(char **)Args);
cerr << "Could not exec dpkg!" << endl;
_exit(100);
// setups fds
fd_set rfds;
- struct timeval tv;
+ struct timespec tv;
+ sigset_t sigmask;
+ sigset_t original_sigmask;
+ sigemptyset(&sigmask);
+ sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask);
+
int select_ret;
while ((res=waitpid(Child,&Status, WNOHANG)) != Child) {
if(res < 0) {
signal(SIGINT,old_SIGINT);
return _error->Errno("waitpid","Couldn't wait for subprocess");
}
-
// wait for input or output here
FD_ZERO(&rfds);
- FD_SET(0, &rfds);
+ if (!stdin_is_dev_null)
+ FD_SET(0, &rfds);
FD_SET(_dpkgin, &rfds);
if(master >= 0)
FD_SET(master, &rfds);
tv.tv_sec = 1;
- tv.tv_usec = 0;
- select_ret = select(max(master, _dpkgin)+1, &rfds, NULL, NULL, &tv);
+ tv.tv_nsec = 0;
+ select_ret = pselect(max(master, _dpkgin)+1, &rfds, NULL, NULL,
+ &tv, &original_sigmask);
+ if (select_ret < 0 && (errno == EINVAL || errno == ENOSYS))
+ select_ret = racy_pselect(max(master, _dpkgin)+1, &rfds, NULL,
+ NULL, &tv, &original_sigmask);
if (select_ret == 0)
continue;
else if (select_ret < 0 && errno == EINTR)
signal(SIGQUIT,old_SIGQUIT);
signal(SIGINT,old_SIGINT);
- if(master >= 0 && slave >= 0)
+ if(master >= 0)
+ {
tcsetattr(0, TCSAFLUSH, &tt);
+ close(master);
+ }
// Check for an error code.
if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
if(stopOnError)
{
- if(term_out)
- fclose(term_out);
+ CloseLog();
return false;
}
}
}
- if(term_out)
- fclose(term_out);
+ CloseLog();
if (RunScripts("DPkg::Post-Invoke") == false)
return false;
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)
+ return;
+
+ // only report the first error if we are in StopOnError=false mode
+ // to prevent bogus reports
+ if((_config->FindB("Dpkg::StopOnError",true) == false) && pkgFailures > 1)
+ 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);
+}
+ /*}}}*/