// Includes /*{{{*/
#include <config.h>
-#include <apt-pkg/dpkgpm.h>
-#include <apt-pkg/error.h>
+#include <apt-pkg/cachefile.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/depcache.h>
-#include <apt-pkg/pkgrecords.h>
-#include <apt-pkg/strutl.h>
+#include <apt-pkg/dpkgpm.h>
+#include <apt-pkg/debsystem.h>
+#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
-#include <apt-pkg/cachefile.h>
-#include <apt-pkg/packagemanager.h>
#include <apt-pkg/install-progress.h>
+#include <apt-pkg/packagemanager.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
-#include <unistd.h>
-#include <stdlib.h>
+#include <errno.h>
#include <fcntl.h>
+#include <grp.h>
+#include <pwd.h>
+#include <signal.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
#include <sys/select.h>
#include <sys/stat.h>
-#include <sys/types.h>
+#include <sys/time.h>
#include <sys/wait.h>
-#include <signal.h>
-#include <errno.h>
-#include <string.h>
-#include <stdio.h>
-#include <string.h>
-#include <algorithm>
-#include <sstream>
-#include <map>
-#include <pwd.h>
-#include <grp.h>
-#include <iomanip>
-
#include <termios.h>
+#include <time.h>
#include <unistd.h>
-#include <sys/ioctl.h>
-#include <pty.h>
+#include <algorithm>
+#include <cstring>
+#include <iostream>
+#include <map>
+#include <set>
+#include <string>
+#include <utility>
+#include <vector>
+#include <sstream>
+#include <numeric>
#include <apti18n.h>
/*}}}*/
using namespace std;
+APT_PURE static string
+AptHistoryRequestingUser()
+{
+ const char* EnvKeys[]{"SUDO_UID", "PKEXEC_UID", "PACKAGEKIT_CALLER_UID"};
+
+ for (const auto &Key: EnvKeys)
+ {
+ if (getenv(Key) != nullptr)
+ {
+ int uid = atoi(getenv(Key));
+ if (uid > 0) {
+ struct passwd pwd;
+ struct passwd *result;
+ char buf[255];
+ if (getpwuid_r(uid, &pwd, buf, sizeof(buf), &result) == 0 && result != NULL) {
+ std::string res;
+ strprintf(res, "%s (%d)", pwd.pw_name, uid);
+ return res;
+ }
+ }
+ }
+ }
+ return "";
+}
+
+APT_PURE static unsigned int
+EnvironmentSize()
+{
+ unsigned int size = 0;
+ char **envp = environ;
+
+ while (*envp != NULL)
+ size += strlen (*envp++) + 1;
+
+ return size;
+}
+
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), tt_is_valid(false), master(-1),
+ slave(NULL), protect_slave_from_dying(-1),
+ direct_stdin(false)
{
dpkgbuf[0] = '\0';
}
bool stdin_is_dev_null;
// the buffer we use for the dpkg status-fd reading
char dpkgbuf[1024];
- int dpkgbuf_pos;
+ size_t dpkgbuf_pos;
FILE *term_out;
FILE *history_out;
string dpkg_error;
APT::Progress::PackageManager *progress;
// pty stuff
- struct termios tt;
+ struct termios tt;
+ bool tt_is_valid;
int master;
- int slave;
+ char * slave;
+ int protect_slave_from_dying;
// signals
sigset_t sigmask;
sigset_t original_sigmask;
+ bool direct_stdin;
};
namespace
const char *target;
public:
- MatchProcessingOp(const char *the_target)
+ explicit MatchProcessingOp(const char *the_target)
: target(the_target)
{
}
return ExecWait(Process, "ionice");
}
-static std::string getDpkgExecutable()
-{
- 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);
- }
- return Tmp;
-}
-
-// 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);
- if (chdir("/") != 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
{
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;
- }
- }
- }
+ for (pkgCache::VerFileIterator Vf = Ver.FileList(); Vf.end() == false; ++Vf)
+ for (pkgCache::PkgFileIterator F = Vf.File(); F.end() == false; ++F)
+ {
+ if (F.Archive() != 0 && strcmp(F.Archive(), "now") == 0)
+ return Ver;
+ }
return Ver;
}
/*}}}*/
// DPkgPM::pkgDPkgPM - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
-pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache)
- : pkgPackageManager(Cache), pkgFailures(0), PackagesDone(0), PackagesTotal(0)
+pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache)
+ : pkgPackageManager(Cache),d(new pkgDPkgPMPrivate()), pkgFailures(0), PackagesDone(0), PackagesTotal(0)
{
- d = new pkgDPkgPMPrivate();
}
/*}}}*/
// DPkgPM::pkgDPkgPM - Destructor /*{{{*/
that are due to be installed. */
bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
{
+ bool result = true;
+
Configuration::Item const *Opts = _config->Tree(Cnf);
if (Opts == 0 || Opts->Child == 0)
return true;
Opts = Opts->Child;
+
+ sighandler_t old_sigpipe = signal(SIGPIPE, SIG_IGN);
unsigned int Count = 1;
for (; Opts != 0; Opts = Opts->Next, Count++)
if (Opts->Value.empty() == true)
continue;
+ if(_config->FindB("Debug::RunScripts", false) == true)
+ std::clog << "Running external script with list of all .deb file: '"
+ << Opts->Value << "'" << std::endl;
+
// Determine the protocol version
string OptSec = Opts->Value;
string::size_type Pos;
std::set<int> KeepFDs;
MergeKeepFdsFromConfiguration(KeepFDs);
int Pipes[2];
- if (pipe(Pipes) != 0)
- return _error->Errno("pipe","Failed to create IPC pipe to subprocess");
+ if (pipe(Pipes) != 0) {
+ result = _error->Errno("pipe","Failed to create IPC pipe to subprocess");
+ break;
+ }
if (InfoFD != (unsigned)Pipes[0])
SetCloseExec(Pipes[0],true);
else
strprintf(hookfd, "%d", InfoFD);
setenv("APT_HOOK_INFO_FD", hookfd.c_str(), 1);
- dpkgChrootDirectory();
+ debSystem::DpkgChrootDirectory();
const char *Args[4];
Args[0] = "/bin/sh";
Args[1] = "-c";
}
close(Pipes[0]);
FILE *F = fdopen(Pipes[1],"w");
- if (F == 0)
- return _error->Errno("fdopen","Faild to open new FD");
+ if (F == 0) {
+ result = _error->Errno("fdopen","Failed to open new FD");
+ break;
+ }
// Feed it the filenames.
if (Version <= 1)
fclose(F);
// Clean up the sub process
- if (ExecWait(Process,Opts->Value.c_str()) == false)
- return _error->Error("Failure running script %s",Opts->Value.c_str());
+ if (ExecWait(Process,Opts->Value.c_str()) == false) {
+ result = _error->Error("Failure running script %s",Opts->Value.c_str());
+ break;
+ }
}
+ signal(SIGPIPE, old_sigpipe);
- return true;
+ 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
'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
std::string prefix = APT::String::Strip(list[0]);
std::string pkgname;
std::string action;
- ostringstream status;
// "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",
errors look like this:
'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data
and conffile-prompt like this
- 'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited
+ 'status:/etc/compiz.conf/compiz.conf : conffile-prompt: 'current-conffile' 'new-conffile' useredited distedited
*/
if (prefix == "status")
{
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")
+ else if(action == "conffile-prompt")
{
- d->progress->ConffilePrompt(list[1], PackagesDone, PackagesTotal,
+ d->progress->ConffilePrompt(pkgname, PackagesDone, PackagesTotal,
list[3]);
return;
}
// 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 = "";
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;
}
}
/*}}}*/
}
/*}}}*/
// DPkgPM::DoDpkgStatusFd /*{{{*/
-// ---------------------------------------------------------------------
-/*
- */
void pkgDPkgPM::DoDpkgStatusFd(int statusfd)
{
- char *p, *q;
- int len;
-
- len=read(statusfd, &d->dpkgbuf[d->dpkgbuf_pos], sizeof(d->dpkgbuf)-d->dpkgbuf_pos);
- d->dpkgbuf_pos += len;
+ ssize_t const len = read(statusfd, &d->dpkgbuf[d->dpkgbuf_pos],
+ (sizeof(d->dpkgbuf)/sizeof(d->dpkgbuf[0])) - d->dpkgbuf_pos);
if(len <= 0)
return;
+ d->dpkgbuf_pos += (len / sizeof(d->dpkgbuf[0]));
- // process line by line if we have a buffer
- p = q = d->dpkgbuf;
- while((q=(char*)memchr(p, '\n', d->dpkgbuf+d->dpkgbuf_pos-p)) != NULL)
+ // process line by line from the buffer
+ char *p = d->dpkgbuf, *q = nullptr;
+ while((q=(char*)memchr(p, '\n', (d->dpkgbuf + d->dpkgbuf_pos) - p)) != nullptr)
{
- *q = 0;
+ *q = '\0';
ProcessDpkgStatusLine(p);
- p=q+1; // continue with next line
+ p = q + 1; // continue with next line
}
- // now move the unprocessed bits (after the final \n that is now a 0x0)
- // to the start and update d->dpkgbuf_pos
- p = (char*)memrchr(d->dpkgbuf, 0, d->dpkgbuf_pos);
- if(p == NULL)
+ // check if we stripped the buffer clean
+ if (p > (d->dpkgbuf + d->dpkgbuf_pos))
+ {
+ d->dpkgbuf_pos = 0;
return;
+ }
- // we are interessted in the first char *after* 0x0
- p++;
-
- // move the unprocessed tail to the start and update pos
- memmove(d->dpkgbuf, p, p-d->dpkgbuf);
- d->dpkgbuf_pos = d->dpkgbuf+d->dpkgbuf_pos-p;
+ // otherwise move the unprocessed tail to the start and update pos
+ memmove(d->dpkgbuf, p, (p - d->dpkgbuf));
+ d->dpkgbuf_pos = (d->dpkgbuf + d->dpkgbuf_pos) - p;
}
/*}}}*/
// DPkgPM::WriteHistoryTag /*{{{*/
// get current time
char timestr[200];
time_t const t = time(NULL);
- struct tm const * const tmp = localtime(&t);
+ struct tm tm_buf;
+ struct tm const * const tmp = localtime_r(&t, &tm_buf);
strftime(timestr, sizeof(timestr), "%F %T", tmp);
// open terminal log
}
if (_config->Exists("Commandline::AsString") == true)
WriteHistoryTag("Commandline", _config->Find("Commandline::AsString"));
+ std::string RequestingUser = AptHistoryRequestingUser();
+ if (RequestingUser != "")
+ WriteHistoryTag("Requested-By", RequestingUser);
WriteHistoryTag("Install", install);
WriteHistoryTag("Reinstall", reinstall);
WriteHistoryTag("Upgrade", upgrade);
{
char timestr[200];
time_t t = time(NULL);
- struct tm *tmp = localtime(&t);
+ struct tm tm_buf;
+ struct tm *tmp = localtime_r(&t, &tm_buf);
strftime(timestr, sizeof(timestr), "%F %T", tmp);
if(d->term_out)
PackagesTotal++;
}
}
+ /* one extra: We don't want the progress bar to reach 100%, especially not
+ if we call dpkg --configure --pending and process a bunch of triggers
+ while showing 100%. Also, spindown takes a while, so never reaching 100%
+ is way more correct than reaching 100% while still doing stuff even if
+ doing it this way is slightly bending the rules */
+ ++PackagesTotal;
}
/*}}}*/
-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
bool pkgDPkgPM::Go(int StatusFd)
{
APT::Progress::PackageManager *progress = NULL;
else
progress = new APT::Progress::PackageManagerProgressFd(StatusFd);
- return GoNoABIBreak(progress);
+ return Go(progress);
}
-#endif
void pkgDPkgPM::StartPtyMagic()
{
- // setup the pty and stuff
- struct winsize win;
+ if (_config->FindB("Dpkg::Use-Pty", true) == false)
+ {
+ d->master = -1;
+ if (d->slave != NULL)
+ free(d->slave);
+ d->slave = NULL;
+ return;
+ }
+
+ if (isatty(STDIN_FILENO) == 0)
+ d->direct_stdin = true;
- // if tcgetattr does not return zero there was a error
- // and we do not do any pty magic
_error->PushToStack();
- if (tcgetattr(STDOUT_FILENO, &d->tt) == 0)
+
+ 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);
+ else
{
- ioctl(1, TIOCGWINSZ, (char *)&win);
- 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;
+#ifdef HAVE_PTS_NAME_R
+ char slave_name[64]; // 64 is used by bionic
+ if (ptsname_r(d->master, slave_name, sizeof(slave_name)) != 0)
+#else
+ char const * const slave_name = ptsname(d->master);
+ if (slave_name == NULL)
+#endif
+ _error->Errno("ptsname", "Getting name for slave of master fd %d failed!", d->master);
+ 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);
+ else if (grantpt(d->master) == -1)
+ _error->Errno("grantpt", "Granting access to slave %s based on master fd %d failed!", slave_name, d->master);
+ else if (tcgetattr(STDIN_FILENO, &d->tt) == 0)
+ {
+ d->tt_is_valid = true;
+ struct termios raw_tt;
+ // copy window size of stdout if its a 'good' terminal
+ if (tcgetattr(STDOUT_FILENO, &raw_tt) == 0)
+ {
+ 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);
+
+ 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 stdin failed!");
+ sigprocmask(SIG_SETMASK, &d->original_sigmask, NULL);
+
+ }
+ if (d->slave != NULL)
+ {
+ /* on linux, closing (and later reopening) all references to the slave
+ makes the slave a death end, so we open it here to have one open all
+ the time. We could use this fd in SetupSlavePtyMagic() for linux, but
+ on kfreebsd we get an incorrect ("step like") output then while it has
+ no problem with closing all references… so to avoid platform specific
+ code here we combine both and be happy once more */
+ d->protect_slave_from_dying = open(d->slave, O_RDWR | O_CLOEXEC | O_NOCTTY);
+ }
+ }
+ }
+
+ if (_error->PendingError() == true)
+ {
+ if (d->master != -1)
+ {
+ close(d->master);
+ d->master = -1;
}
- // 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 (_error->PendingError() == true)
- _error->DumpErrors(std::cerr);
- _error->RevertToStack();
+ if (d->slave != NULL)
+ {
+ free(d->slave);
+ d->slave = NULL;
+ }
+ _error->DumpErrors(std::cerr, GlobalError::DEBUG, false);
+ }
+ _error->RevertToStack();
}
+void pkgDPkgPM::SetupSlavePtyMagic()
+{
+ if(d->master == -1 || d->slave == NULL)
+ return;
+
+ if (close(d->master) == -1)
+ _error->FatalE("close", "Closing master %d in child failed!", d->master);
+ d->master = -1;
+ if (setsid() == -1)
+ _error->FatalE("setsid", "Starting a new session for child failed!");
+
+ int const slaveFd = open(d->slave, O_RDWR | O_NOCTTY);
+ if (slaveFd == -1)
+ _error->FatalE("open", _("Can not write log (%s)"), _("Is /dev/pts mounted?"));
+ else if (ioctl(slaveFd, TIOCSCTTY, 0) < 0)
+ _error->FatalE("ioctl", "Setting TIOCSCTTY for slave fd %d failed!", slaveFd);
+ else
+ {
+ unsigned short i = 0;
+ if (d->direct_stdin == true)
+ ++i;
+ for (; i < 3; ++i)
+ if (dup2(slaveFd, i) == -1)
+ _error->FatalE("dup2", "Dupping %d to %d in child failed!", slaveFd, i);
+
+ if (d->tt_is_valid == true && tcsetattr(STDIN_FILENO, TCSANOW, &d->tt) < 0)
+ _error->FatalE("tcsetattr", "Setting in Setup via TCSANOW for slave fd %d failed!", slaveFd);
+ }
+ if (slaveFd != -1)
+ close(slaveFd);
+}
void pkgDPkgPM::StopPtyMagic()
{
- if(d->slave > 0)
- close(d->slave);
+ if (d->slave != NULL)
+ free(d->slave);
+ d->slave = NULL;
+ if (d->protect_slave_from_dying != -1)
+ {
+ close(d->protect_slave_from_dying);
+ d->protect_slave_from_dying = -1;
+ }
if(d->master >= 0)
{
- tcsetattr(0, TCSAFLUSH, &d->tt);
+ if (d->tt_is_valid == true && tcsetattr(STDIN_FILENO, TCSAFLUSH, &d->tt) == -1)
+ _error->FatalE("tcsetattr", "Setting in Stop via TCSAFLUSH for stdin failed!");
close(d->master);
+ d->master = -1;
}
}
* 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;
// Generate the base argument list for dpkg
- unsigned long StartSize = 0;
- std::vector<const char *> Args;
- std::string DpkgExecutable = getDpkgExecutable();
- Args.push_back(DpkgExecutable.c_str());
- StartSize += DpkgExecutable.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();
- }
- }
-
+ std::vector<std::string> const sArgs = debSystem::GetDpkgBaseCommand();
+ std::vector<const char *> Args(sArgs.size(), NULL);
+ std::transform(sArgs.begin(), sArgs.end(), Args.begin(),
+ [](std::string const &s) { return s.c_str(); });
+ unsigned long long const StartSize = std::accumulate(sArgs.begin(), sArgs.end(), 0llu,
+ [](unsigned long long const i, std::string const &s) { return i + s.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;
- unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);
- unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);
+ // FIXME: do we really need this limit when we have MaxArgBytes?
+ unsigned int const MaxArgs = _config->FindI("Dpkg::MaxArgs",32*1024);
+
+ // try to figure out the max environment size
+ int OSArgMax = sysconf(_SC_ARG_MAX);
+ if(OSArgMax < 0)
+ OSArgMax = 32*1024;
+ OSArgMax -= EnvironmentSize() - 2*1024;
+ unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes", OSArgMax);
bool const NoTriggers = _config->FindB("DPkg::NoTriggers", false);
if (RunScripts("DPkg::Pre-Invoke") == 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");
bool const TriggersPending = _config->FindB("DPkg::TriggersPending", false);
- if (_config->FindB("DPkg::ConfigurePending", SmartConf) == true)
+ if (_config->FindB("DPkg::ConfigurePending", true) == true)
List.push_back(Item(Item::ConfigurePending, PkgIterator()));
// for the progress
// create log
OpenLog();
- bool dpkgMultiArch = false;
- if (dpkgAssertMultiArch > 0)
- {
- int Status = 0;
- while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch)
- {
- if (errno == EINTR)
- continue;
- _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;
- }
+ bool dpkgMultiArch = debSystem::SupportsMultiArch();
// start pty magic before the loop
StartPtyMagic();
a != Args.end(); ++a)
clog << *a << ' ';
clog << endl;
+ for (std::vector<char *>::const_iterator p = Packages.begin();
+ p != Packages.end(); ++p)
+ free(*p);
+ Packages.clear();
continue;
}
Args.push_back(NULL);
pid_t Child = ExecFork(KeepFDs);
if (Child == 0)
{
- // This is the child
- if(d->slave >= 0 && d->master >= 0)
- {
- setsid();
- ioctl(d->slave, TIOCSCTTY, 0);
- 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();
+ debSystem::DpkgChrootDirectory();
if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
_exit(100);
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);
_exit(100);
}
- /* No Job Control Stop Env is a magic dpkg var that prevents it
- from using sigstop */
- putenv((char *)"DPKG_NO_TSTP=yes");
+ // if color support isn't enabled/disabled explicitly tell
+ // dpkg to use the same state apt is using for its color support
+ if (_config->FindB("APT::Color", false) == true)
+ setenv("DPKG_COLORS", "always", 0);
+ else
+ setenv("DPKG_COLORS", "never", 0);
+
execvp(Args[0], (char**) &Args[0]);
cerr << "Could not exec dpkg!" << endl;
_exit(100);
// the result of the waitpid call
int res;
int select_ret;
+ bool waitpid_failure = false;
while ((res=waitpid(Child,&Status, WNOHANG)) != Child) {
if(res < 0) {
- // FIXME: move this to a function or something, looks ugly here
// error handling, waitpid returned -1
if (errno == EINTR)
continue;
- RunScripts("DPkg::Post-Invoke");
-
- // 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");
+ waitpid_failure = true;
+ break;
}
// wait for input or output here
FD_ZERO(&rfds);
- if (d->master >= 0 && !d->stdin_is_dev_null)
- FD_SET(0, &rfds);
+ if (d->master >= 0 && d->direct_stdin == false && d->stdin_is_dev_null == false)
+ FD_SET(STDIN_FILENO, &rfds);
FD_SET(_dpkgin, &rfds);
if(d->master >= 0)
FD_SET(d->master, &rfds);
// Restore sig int/quit
signal(SIGQUIT,old_SIGQUIT);
signal(SIGINT,old_SIGINT);
-
signal(SIGHUP,old_SIGHUP);
+
+ if (waitpid_failure == true)
+ {
+ strprintf(d->dpkg_error, "Sub-process %s couldn't be waited for.",Args[0]);
+ _error->Error("%s", d->dpkg_error.c_str());
+ break;
+ }
+
// Check for an error code.
if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
{
- // if it was set to "keep-dpkg-runing" then we won't return
+ // if it was set to "keep-dpkg-running" then we won't return
// here but keep the loop going and just report it as a error
// for later
bool const stopOnError = _config->FindB("Dpkg::StopOnError",true);
-
- if(stopOnError)
- RunScripts("DPkg::Post-Invoke");
- if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV)
+ if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV)
strprintf(d->dpkg_error, "Sub-process %s received a segmentation fault.",Args[0]);
else if (WIFEXITED(Status) != 0)
strprintf(d->dpkg_error, "Sub-process %s returned an error code (%u)",Args[0],WEXITSTATUS(Status));
- else
+ else
strprintf(d->dpkg_error, "Sub-process %s exited unexpectedly",Args[0]);
+ _error->Error("%s", d->dpkg_error.c_str());
- if(d->dpkg_error.size() > 0)
- _error->Error("%s", d->dpkg_error.c_str());
-
- if(stopOnError)
- {
- CloseLog();
- StopPtyMagic();
- d->progress->Stop();
- return false;
- }
- }
+ if(stopOnError)
+ break;
+ }
}
// dpkg is done at this point
- d->progress->Stop();
StopPtyMagic();
CloseLog();
if (pkgPackageManager::SigINTStop)
_error->Warning(_("Operation was interrupted before it could finish"));
- if (RunScripts("DPkg::Post-Invoke") == false)
- return false;
-
if (_config->FindB("Debug::pkgDPkgPM",false) == false)
{
std::string const oldpkgcache = _config->FindFile("Dir::cache::pkgcache");
if (oldpkgcache.empty() == false && RealFileExists(oldpkgcache) == true &&
- unlink(oldpkgcache.c_str()) == 0)
+ RemoveFile("pkgDPkgPM::Go", oldpkgcache))
{
std::string const srcpkgcache = _config->FindFile("Dir::cache::srcpkgcache");
if (srcpkgcache.empty() == false && RealFileExists(srcpkgcache) == true)
}
Cache.writeStateFile(NULL);
- return true;
+
+ d->progress->Stop();
+
+ if (RunScripts("DPkg::Post-Invoke") == false)
+ return false;
+
+ return d->dpkg_error.empty();
}
-void SigINT(int sig) {
+void SigINT(int /*sig*/) {
pkgPackageManager::SigINTStop = true;
}
/*}}}*/
if (apportPkg.end() == true || apportPkg->CurrentVer == 0)
return;
- string pkgname, reportfile, srcpkgname, pkgver, arch;
+ string pkgname, reportfile, pkgver, arch;
string::size_type pos;
FILE *report;
- if (_config->FindB("Dpkg::ApportFailureReport", false) == false)
+ if (_config->FindB("Dpkg::ApportFailureReport", true) == false)
{
std::clog << "configured to not write apport reports" << std::endl;
return;
// 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++)
+ for (vector<string>::iterator I = io_errors.begin(); I != io_errors.end(); ++I)
{
vector<string> list = VectorizeString(dgettext("dpkg", (*I).c_str()), '%');
if (list.size() > 1) {
if(pos != string::npos)
pkgname = pkgname.substr(0, pos);
- // find the package versin and source package name
+ // find the package version and source package name
pkgCache::PkgIterator Pkg = Cache.FindPkg(pkgname);
if (Pkg.end() == true)
return;
- pkgCache::VerIterator Ver = Cache.GetCandidateVer(Pkg);
+ pkgCache::VerIterator Ver = Cache.GetCandidateVersion(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).
fprintf(report, "ProblemType: Package\n");
fprintf(report, "Architecture: %s\n", arch.c_str());
time_t now = time(NULL);
- fprintf(report, "Date: %s" , ctime(&now));
+ char ctime_buf[26]; // need at least 26 bytes according to ctime(3)
+ fprintf(report, "Date: %s" , ctime_r(&now, ctime_buf));
fprintf(report, "Package: %s %s\n", pkgname.c_str(), pkgver.c_str());
- fprintf(report, "SourcePackage: %s\n", srcpkgname.c_str());
+ fprintf(report, "SourcePackage: %s\n", Ver.SourcePkgName());
fprintf(report, "ErrorMessage:\n %s\n", errormsg);
// ensure that the log is flushed
string histfile_name = _config->FindFile("Dir::Log::History");
if (!histfile_name.empty())
{
- FILE *log = NULL;
- char buf[1024];
-
fprintf(report, "DpkgHistoryLog:\n");
- log = fopen(histfile_name.c_str(),"r");
+ FILE* log = fopen(histfile_name.c_str(),"r");
if(log != NULL)
{
+ char buf[1024];
while( fgets(buf, sizeof(buf), log) != NULL)
fprintf(report, " %s", buf);
fclose(log);
}
}
- // log the ordering
- const char *ops_str[] = {"Install", "Configure","Remove","Purge"};
+ // log the ordering, see dpkgpm.h and the "Ops" enum there
+ const char *ops_str[] = {
+ "Install",
+ "Configure",
+ "Remove",
+ "Purge",
+ "ConfigurePending",
+ "TriggersPending",
+ };
fprintf(report, "AptOrdering:\n");
for (vector<Item>::iterator I = List.begin(); I != List.end(); ++I)
if ((*I).Pkg != NULL)
projects / apt.git / blobdiff