#include <apt-pkg/configuration.h>
#include <apt-pkg/depcache.h>
#include <apt-pkg/dpkgpm.h>
+#include <apt-pkg/debsystem.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/install-progress.h>
#include <apt-pkg/packagemanager.h>
-#include <apt-pkg/pkgrecords.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/cacheiterators.h>
#include <apt-pkg/macros.h>
#include <errno.h>
#include <fcntl.h>
#include <grp.h>
-#include <pty.h>
#include <pwd.h>
#include <signal.h>
#include <stddef.h>
pkgDPkgPMPrivate() : stdin_is_dev_null(false), dpkgbuf_pos(0),
term_out(NULL), history_out(NULL),
progress(NULL), tt_is_valid(false), master(-1),
- slave(NULL), protect_slave_from_dying(-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;
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 /*{{{*/
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";
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
}
/*}}}*/
// 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
{
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;
}
/*}}}*/
-#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()
{
return;
}
+ if (isatty(STDIN_FILENO) == 0)
+ d->direct_stdin = true;
+
_error->PushToStack();
d->master = posix_openpt(O_RDWR | O_NOCTTY);
_error->Errno("unlockpt", "Unlocking the slave of master fd %d failed!", d->master);
else
{
+#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
{
free(d->slave);
d->slave = NULL;
}
- _error->DumpErrors(std::cerr);
+ _error->DumpErrors(std::cerr, GlobalError::DEBUG, false);
}
_error->RevertToStack();
}
_error->FatalE("ioctl", "Setting TIOCSCTTY for slave fd %d failed!", slaveFd);
else
{
- for (unsigned short i = 0; i < 3; ++i)
+ 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);
* 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(), 0,
+ [](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;
// 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);
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);
_exit(100);
}
- /* No Job Control Stop Env is a magic dpkg var that prevents it
- from using sigstop */
- putenv((char *)"DPKG_NO_TSTP=yes");
execvp(Args[0], (char**) &Args[0]);
cerr << "Could not exec dpkg!" << endl;
_exit(100);
// 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);
{
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)
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(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
}
}
- // 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)
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