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-rw-r--r--apt-pkg/deb/dpkgpm.cc107
1 files changed, 73 insertions, 34 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index cb137729d..03986d0b9 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -134,6 +134,8 @@ static void dpkgChrootDirectory()
std::cerr << "Chrooting into " << chrootDir << std::endl;
if (chroot(chrootDir.c_str()) != 0)
_exit(100);
+ if (chdir("/") != 0)
+ _exit(100);
}
/*}}}*/
@@ -238,15 +240,23 @@ bool pkgDPkgPM::Remove(PkgIterator Pkg,bool Purge)
return true;
}
/*}}}*/
-// DPkgPM::SendV2Pkgs - Send version 2 package info /*{{{*/
+// DPkgPM::SendPkgInfo - Send info for install-pkgs hook /*{{{*/
// ---------------------------------------------------------------------
/* This is part of the helper script communication interface, it sends
very complete information down to the other end of the pipe.*/
bool pkgDPkgPM::SendV2Pkgs(FILE *F)
{
- fprintf(F,"VERSION 2\n");
-
- /* Write out all of the configuration directives by walking the
+ return SendPkgsInfo(F, 2);
+}
+bool pkgDPkgPM::SendPkgsInfo(FILE * const F, unsigned int const &Version)
+{
+ // This version of APT supports only v3, so don't sent higher versions
+ if (Version <= 3)
+ fprintf(F,"VERSION %u\n", Version);
+ else
+ fprintf(F,"VERSION 3\n");
+
+ /* Write out all of the configuration directives by walking the
configuration tree */
const Configuration::Item *Top = _config->Tree(0);
for (; Top != 0;)
@@ -280,30 +290,51 @@ bool pkgDPkgPM::SendV2Pkgs(FILE *F)
pkgDepCache::StateCache &S = Cache[I->Pkg];
fprintf(F,"%s ",I->Pkg.Name());
- // Current version
- if (I->Pkg->CurrentVer == 0)
- fprintf(F,"- ");
+
+ // Current version which we are going to replace
+ pkgCache::VerIterator CurVer = I->Pkg.CurrentVer();
+ if (CurVer.end() == true && (I->Op == Item::Remove || I->Op == Item::Purge))
+ CurVer = FindNowVersion(I->Pkg);
+
+ if (CurVer.end() == true)
+ {
+ if (Version <= 2)
+ fprintf(F, "- ");
+ else
+ fprintf(F, "- - none ");
+ }
else
- fprintf(F,"%s ",I->Pkg.CurrentVer().VerStr());
-
- // Show the compare operator
- // Target version
+ {
+ fprintf(F, "%s ", CurVer.VerStr());
+ if (Version >= 3)
+ fprintf(F, "%s %s ", CurVer.Arch(), CurVer.MultiArchType());
+ }
+
+ // Show the compare operator between current and install version
if (S.InstallVer != 0)
{
+ pkgCache::VerIterator const InstVer = S.InstVerIter(Cache);
int Comp = 2;
- if (I->Pkg->CurrentVer != 0)
- Comp = S.InstVerIter(Cache).CompareVer(I->Pkg.CurrentVer());
+ if (CurVer.end() == false)
+ Comp = InstVer.CompareVer(CurVer);
if (Comp < 0)
fprintf(F,"> ");
- if (Comp == 0)
+ else if (Comp == 0)
fprintf(F,"= ");
- if (Comp > 0)
+ else if (Comp > 0)
fprintf(F,"< ");
- fprintf(F,"%s ",S.InstVerIter(Cache).VerStr());
+ fprintf(F, "%s ", InstVer.VerStr());
+ if (Version >= 3)
+ fprintf(F, "%s %s ", InstVer.Arch(), InstVer.MultiArchType());
}
else
- fprintf(F,"> - ");
-
+ {
+ if (Version <= 2)
+ fprintf(F, "> - ");
+ else
+ fprintf(F, "> - - none ");
+ }
+
// Show the filename/operation
if (I->Op == Item::Install)
{
@@ -313,9 +344,9 @@ bool pkgDPkgPM::SendV2Pkgs(FILE *F)
else
fprintf(F,"%s\n",I->File.c_str());
}
- if (I->Op == Item::Configure)
+ else if (I->Op == Item::Configure)
fprintf(F,"**CONFIGURE**\n");
- if (I->Op == Item::Remove ||
+ else if (I->Op == Item::Remove ||
I->Op == Item::Purge)
fprintf(F,"**REMOVE**\n");
@@ -404,7 +435,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
}
}
else
- SendV2Pkgs(F);
+ SendPkgsInfo(F, Version);
fclose(F);
@@ -720,13 +751,15 @@ bool pkgDPkgPM::OpenLog()
return _error->WarningE("OpenLog", _("Could not open file '%s'"), logfile_name.c_str());
setvbuf(d->term_out, NULL, _IONBF, 0);
SetCloseExec(fileno(d->term_out), true);
- struct passwd *pw;
- struct group *gr;
- pw = getpwnam("root");
- gr = getgrnam("adm");
- if (pw != NULL && gr != NULL)
- chown(logfile_name.c_str(), pw->pw_uid, gr->gr_gid);
- chmod(logfile_name.c_str(), 0640);
+ if (getuid() == 0) // if we aren't root, we can't chown a file, so don't try it
+ {
+ struct passwd *pw = getpwnam("root");
+ struct group *gr = getgrnam("adm");
+ if (pw != NULL && gr != NULL && chown(logfile_name.c_str(), pw->pw_uid, gr->gr_gid) != 0)
+ _error->WarningE("OpenLog", "chown to root:adm of file %s failed", logfile_name.c_str());
+ }
+ if (chmod(logfile_name.c_str(), 0640) != 0)
+ _error->WarningE("OpenLog", "chmod 0640 of file %s failed", logfile_name.c_str());
fprintf(d->term_out, "\nLog started: %s\n", timestr);
}
@@ -1205,16 +1238,13 @@ bool pkgDPkgPM::Go(int OutStatusFd)
// if tcgetattr does not return zero there was a error
// and we do not do any pty magic
+ _error->PushToStack();
if (tcgetattr(STDOUT_FILENO, &tt) == 0)
{
ioctl(0, TIOCGWINSZ, (char *)&win);
- if (openpty(&master, &slave, NULL, &tt, &win) < 0)
+ if (openpty(&master, &slave, NULL, &tt, &win) < 0)
{
- const char *s = _("Can not write log, openpty() "
- "failed (/dev/pts not mounted?)\n");
- fprintf(stderr, "%s",s);
- if(d->term_out)
- fprintf(d->term_out, "%s",s);
+ _error->Errno("openpty", _("Can not write log (%s)"), _("Is /dev/pts mounted?"));
master = slave = -1;
} else {
struct termios rtt;
@@ -1237,6 +1267,15 @@ bool pkgDPkgPM::Go(int OutStatusFd)
if(d->term_out)
fprintf(d->term_out, "%s",s);
}
+ // 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();
+
// Fork dpkg
pid_t Child;
_config->Set("APT::Keep-Fds::",fd[1]);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-12 18:17:55 +0000