X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/41a658f873a36e2f8507a84fb40f0632e2a62b15..f1e1abd88a2a7f147c79b99956f88d37ab14e038:/apt-pkg/deb/dpkgpm.cc?ds=inline
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index e410594df..a5c05d5ea 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -59,8 +59,8 @@ class pkgDPkgPMPrivate
{
public:
pkgDPkgPMPrivate() : stdin_is_dev_null(false), dpkgbuf_pos(0),
- term_out(NULL), history_out(NULL),
- progress(NULL), master(-1), slave(-1)
+ term_out(NULL), history_out(NULL),
+ progress(NULL), master(-1), slave(NULL)
{
dpkgbuf[0] = '\0';
}
@@ -77,9 +77,9 @@ public:
APT::Progress::PackageManager *progress;
// pty stuff
- struct termios tt;
+ struct termios tt;
int master;
- int slave;
+ char * slave;
// signals
sigset_t sigmask;
@@ -510,14 +510,14 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
return result;
}
/*}}}*/
-// DPkgPM::DoStdin - Read stdin and pass to slave pty /*{{{*/
+// DPkgPM::DoStdin - Read stdin and pass to master pty /*{{{*/
// ---------------------------------------------------------------------
/*
*/
void pkgDPkgPM::DoStdin(int master)
{
unsigned char input_buf[256] = {0,};
- ssize_t len = read(0, input_buf, sizeof(input_buf));
+ ssize_t len = read(STDIN_FILENO, input_buf, sizeof(input_buf));
if (len)
FileFd::Write(master, input_buf, len);
else
@@ -564,8 +564,8 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line)
'status: <pkg>: <pkg qstate>'
'status: <pkg>:<arch>: <pkg qstate>'
- 'processing: {install,configure,remove,purge,disappear,trigproc}: pkg'
- 'processing: {install,configure,remove,purge,disappear,trigproc}: trigger'
+ 'processing: {install,upgrade,configure,remove,purge,disappear,trigproc}: pkg'
+ 'processing: {install,upgrade,configure,remove,purge,disappear,trigproc}: trigger'
*/
// we need to split on ": " (note the appended space) as the ':' is
@@ -589,12 +589,15 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line)
std::string action;
// "processing" has the form "processing: action: pkg or trigger"
- // with action = ["install", "configure", "remove", "purge", "disappear",
- // "trigproc"]
+ // with action = ["install", "upgrade", "configure", "remove", "purge",
+ // "disappear", "trigproc"]
if (prefix == "processing")
{
pkgname = APT::String::Strip(list[2]);
action = APT::String::Strip(list[1]);
+ // we don't care for the difference (as dpkg doesn't really either)
+ if (action == "upgrade")
+ action = "install";
}
// "status" has the form: "status: pkg: state"
// with state in ["half-installed", "unpacked", "half-configured",
@@ -621,15 +624,15 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line)
{
if(action == "error")
{
- d->progress->Error(list[1], PackagesDone, PackagesTotal,
+ d->progress->Error(pkgname, PackagesDone, PackagesTotal,
list[3]);
pkgFailures++;
- WriteApportReport(list[1].c_str(), list[3].c_str());
+ WriteApportReport(pkgname.c_str(), list[3].c_str());
return;
}
else if(action == "conffile-prompt")
{
- d->progress->ConffilePrompt(list[1], PackagesDone, PackagesTotal,
+ d->progress->ConffilePrompt(pkgname, PackagesDone, PackagesTotal,
list[3]);
return;
}
@@ -638,27 +641,26 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line)
// at this point we know that we should have a valid pkgname, so build all
// the info from it
- // dpkg does not send always send "pkgname:arch" so we add it here
- // if needed
+ // dpkg does not always send "pkgname:arch" so we add it here if needed
if (pkgname.find(":") == std::string::npos)
{
- // find the package in the group that is in a touched by dpkg
- // if there are multiple dpkg will send us a full pkgname:arch
+ // find the package in the group that is touched by dpkg
+ // if there are multiple pkgs dpkg would send us a full pkgname:arch
pkgCache::GrpIterator Grp = Cache.FindGrp(pkgname);
- if (Grp.end() == false)
+ if (Grp.end() == false)
{
- pkgCache::PkgIterator P = Grp.PackageList();
- for (; P.end() != true; P = Grp.NextPkg(P))
- {
- if(Cache[P].Mode != pkgDepCache::ModeKeep)
- {
- pkgname = P.FullName();
- break;
- }
- }
+ pkgCache::PkgIterator P = Grp.PackageList();
+ for (; P.end() != true; P = Grp.NextPkg(P))
+ {
+ if(Cache[P].Keep() == false || Cache[P].ReInstall() == true)
+ {
+ pkgname = P.FullName();
+ break;
+ }
+ }
}
}
-
+
const char* const pkg = pkgname.c_str();
std::string short_pkgname = StringSplit(pkgname, ":")[0];
std::string arch = "";
@@ -697,28 +699,29 @@ void pkgDPkgPM::ProcessDpkgStatusLine(char *line)
if (prefix == "status")
{
vector<struct DpkgState> const &states = PackageOps[pkg];
- const char *next_action = NULL;
if(PackageOpsDone[pkg] < states.size())
- next_action = states[PackageOpsDone[pkg]].state;
- // check if the package moved to the next dpkg state
- if(next_action && (action == next_action))
{
- // only read the translation if there is actually a next
- // action
- const char *translation = _(states[PackageOpsDone[pkg]].str);
- std::string msg;
-
- // we moved from one dpkg state to a new one, report that
- PackageOpsDone[pkg]++;
- PackagesDone++;
-
- strprintf(msg, translation, i18n_pkgname.c_str());
- d->progress->StatusChanged(pkgname, PackagesDone, PackagesTotal, msg);
-
+ char const * const next_action = states[PackageOpsDone[pkg]].state;
+ if (next_action && Debug == true)
+ std::clog << "(parsed from dpkg) pkg: " << short_pkgname
+ << " action: " << action << " (expected: '" << next_action << "' "
+ << PackageOpsDone[pkg] << " of " << states.size() << ")" << endl;
+
+ // check if the package moved to the next dpkg state
+ if(next_action && (action == next_action))
+ {
+ // only read the translation if there is actually a next action
+ char const * const translation = _(states[PackageOpsDone[pkg]].str);
+
+ // we moved from one dpkg state to a new one, report that
+ ++PackageOpsDone[pkg];
+ ++PackagesDone;
+
+ std::string msg;
+ strprintf(msg, translation, i18n_pkgname.c_str());
+ d->progress->StatusChanged(pkgname, PackagesDone, PackagesTotal, msg);
+ }
}
- if (Debug == true)
- std::clog << "(parsed from dpkg) pkg: " << short_pkgname
- << " action: " << action << endl;
}
}
/*}}}*/
@@ -1031,7 +1034,6 @@ void pkgDPkgPM::BuildPackagesProgressMap()
}
}
/*}}}*/
-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
bool pkgDPkgPM::Go(int StatusFd)
{
APT::Progress::PackageManager *progress = NULL;
@@ -1040,68 +1042,134 @@ bool pkgDPkgPM::Go(int StatusFd)
else
progress = new APT::Progress::PackageManagerProgressFd(StatusFd);
- return GoNoABIBreak(progress);
+ return Go(progress);
}
-#endif
void pkgDPkgPM::StartPtyMagic()
{
if (_config->FindB("Dpkg::Use-Pty", true) == false)
{
- d->master = d->slave = -1;
+ d->master = -1;
+ if (d->slave != NULL)
+ free(d->slave);
+ d->slave = NULL;
return;
}
- // setup the pty and stuff
- struct winsize win;
-
+ _error->PushToStack();
// if tcgetattr for both stdin/stdout returns 0 (no error)
// we do the pty magic
- _error->PushToStack();
- if (tcgetattr(STDIN_FILENO, &d->tt) == 0 &&
- tcgetattr(STDOUT_FILENO, &d->tt) == 0)
+ if (tcgetattr(STDOUT_FILENO, &d->tt) == 0 &&
+ tcgetattr(STDIN_FILENO, &d->tt) == 0)
{
- if (ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&win) < 0)
- {
- _error->Errno("ioctl", _("ioctl(TIOCGWINSZ) failed"));
- } else if (openpty(&d->master, &d->slave, NULL, &d->tt, &win) < 0)
- {
- _error->Errno("openpty", _("Can not write log (%s)"), _("Is /dev/pts mounted?"));
- d->master = d->slave = -1;
- } else {
- struct termios rtt;
- rtt = d->tt;
- cfmakeraw(&rtt);
- rtt.c_lflag &= ~ECHO;
- rtt.c_lflag |= ISIG;
+ d->master = posix_openpt(O_RDWR | O_NOCTTY);
+ if (d->master == -1)
+ _error->Errno("posix_openpt", _("Can not write log (%s)"), _("Is /dev/pts mounted?"));
+ else if (unlockpt(d->master) == -1)
+ {
+ _error->Errno("unlockpt", "Unlocking the slave of master fd %d failed!", d->master);
+ close(d->master);
+ d->master = -1;
+ }
+ else
+ {
+ char const * const slave_name = ptsname(d->master);
+ if (slave_name == NULL)
+ {
+ _error->Errno("unlockpt", "Getting name for slave of master fd %d failed!", d->master);
+ close(d->master);
+ d->master = -1;
+ }
+ else
+ {
+ d->slave = strdup(slave_name);
+ if (d->slave == NULL)
+ {
+ _error->Errno("strdup", "Copying name %s for slave of master fd %d failed!", slave_name, d->master);
+ close(d->master);
+ d->master = -1;
+ }
+ struct winsize win;
+ if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) < 0)
+ _error->Errno("ioctl", "Getting TIOCGWINSZ from stdout failed!");
+ if (ioctl(d->master, TIOCSWINSZ, &win) < 0)
+ _error->Errno("ioctl", "Setting TIOCSWINSZ for master fd %d failed!", d->master);
+ if (tcsetattr(d->master, TCSANOW, &d->tt) == -1)
+ _error->Errno("tcsetattr", "Setting in Start via TCSANOW for master fd %d failed!", d->master);
+
+ struct termios raw_tt;
+ raw_tt = d->tt;
+ cfmakeraw(&raw_tt);
+ raw_tt.c_lflag &= ~ECHO;
+ raw_tt.c_lflag |= ISIG;
// 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(&d->sigmask);
sigaddset(&d->sigmask, SIGTTOU);
sigprocmask(SIG_BLOCK,&d->sigmask, &d->original_sigmask);
- tcsetattr(0, TCSAFLUSH, &rtt);
- sigprocmask(SIG_SETMASK, &d->original_sigmask, 0);
- }
+ if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw_tt) == -1)
+ _error->Errno("tcsetattr", "Setting in Start via TCSAFLUSH for stdout failed!");
+ sigprocmask(SIG_SETMASK, &d->original_sigmask, NULL);
+ }
}
- // complain only if stdout is either a terminal (but still failed) or is an invalid
+ }
+ else
+ {
+ // complain only if stdout is either a terminal (but still failed) or is an invalid
// descriptor otherwise we would complain about redirection to e.g. /dev/null as well.
- else if (isatty(STDOUT_FILENO) == 1 || errno == EBADF)
- _error->Errno("tcgetattr", _("Can not write log (%s)"), _("Is stdout a terminal?"));
+ if (isatty(STDOUT_FILENO) == 1 || errno == EBADF)
+ _error->Errno("tcgetattr", _("Can not write log (%s)"), _("Is stdout a terminal?"));
+ }
- if (_error->PendingError() == true)
- _error->DumpErrors(std::cerr);
- _error->RevertToStack();
+ if (_error->PendingError() == true)
+ {
+ if (d->master != -1)
+ {
+ close(d->master);
+ d->master = -1;
+ }
+ _error->DumpErrors(std::cerr);
+ }
+ _error->RevertToStack();
}
+void pkgDPkgPM::SetupSlavePtyMagic()
+{
+ if(d->master == -1)
+ return;
+
+ if (close(d->master) == -1)
+ _error->FatalE("close", "Closing master %d in child failed!", d->master);
+ if (setsid() == -1)
+ _error->FatalE("setsid", "Starting a new session for child failed!");
+
+ int const slaveFd = open(d->slave, O_RDWR);
+ if (slaveFd == -1)
+ _error->FatalE("open", _("Can not write log (%s)"), _("Is /dev/pts mounted?"));
+
+ if (ioctl(slaveFd, TIOCSCTTY, 0) < 0)
+ _error->FatalE("ioctl", "Setting TIOCSCTTY for slave fd %d failed!", slaveFd);
+ else
+ {
+ for (unsigned short i = 0; i < 3; ++i)
+ if (dup2(slaveFd, i) == -1)
+ _error->FatalE("dup2", "Dupping %d to %d in child failed!", slaveFd, i);
+ if (tcsetattr(0, TCSANOW, &d->tt) < 0)
+ _error->FatalE("tcsetattr", "Setting in Setup via TCSANOW for slave fd %d failed!", slaveFd);
+ }
+}
void pkgDPkgPM::StopPtyMagic()
{
- if(d->slave > 0)
- close(d->slave);
+ if (d->slave != NULL)
+ free(d->slave);
+ d->slave = NULL;
if(d->master >= 0)
{
- tcsetattr(0, TCSAFLUSH, &d->tt);
+ if (tcsetattr(0, TCSAFLUSH, &d->tt) == -1)
+ _error->FatalE("tcsetattr", "Setting in Stop via TCSAFLUSH for stdin failed!");
close(d->master);
+ d->master = -1;
}
}
@@ -1114,11 +1182,7 @@ void pkgDPkgPM::StopPtyMagic()
* through to human readable (and i10n-able)
* names and calculates a percentage for each step.
*/
-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress)
-#else
-bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress)
-#endif
{
pkgPackageManager::SigINTStop = false;
d->progress = progress;
@@ -1413,22 +1477,8 @@ bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress)
pid_t Child = ExecFork(KeepFDs);
if (Child == 0)
{
- // This is the child
- if(d->slave >= 0 && d->master >= 0)
- {
- setsid();
- int res = ioctl(d->slave, TIOCSCTTY, 0);
- if (res < 0) {
- std::cerr << "ioctl(TIOCSCTTY) failed for fd: "
- << d->slave << std::endl;
- } else {
- close(d->master);
- dup2(d->slave, 0);
- dup2(d->slave, 1);
- dup2(d->slave, 2);
- close(d->slave);
- }
- }
+ // This is the child
+ SetupSlavePtyMagic();
close(fd[0]); // close the read end of the pipe
dpkgChrootDirectory();
@@ -1438,7 +1488,8 @@ bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress)
if (_config->FindB("DPkg::FlushSTDIN",true) == true && isatty(STDIN_FILENO))
{
- int Flags,dummy;
+ int Flags;
+ int dummy = 0;
if ((Flags = fcntl(STDIN_FILENO,F_GETFL,dummy)) < 0)
_exit(100);
@@ -1667,9 +1718,10 @@ void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
// do not report dpkg I/O errors, this is a format string, so we compare
// the prefix and the suffix of the error with the dpkg error message
vector<string> io_errors;
- io_errors.push_back(string("failed to read on buffer copy for %s"));
- io_errors.push_back(string("failed in write on buffer copy for %s"));
- io_errors.push_back(string("short read on buffer copy for %s"));
+ io_errors.push_back(string("failed to read"));
+ io_errors.push_back(string("failed to write"));
+ io_errors.push_back(string("failed to seek"));
+ io_errors.push_back(string("unexpected end of file or stream"));
for (vector<string>::iterator I = io_errors.begin(); I != io_errors.end(); ++I)
{