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-rw-r--r--apt-pkg/deb/dpkgpm.cc44
1 files changed, 26 insertions, 18 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 2b04f0e71..51e896a4a 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -123,6 +123,18 @@ ionice(int PID)
return ExecWait(Process, "ionice");
}
+// 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);
+}
+ /*}}}*/
+
// DPkgPM::pkgDPkgPM - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -328,15 +340,7 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
SetCloseExec(STDIN_FILENO,false);
SetCloseExec(STDERR_FILENO,false);
- if (_config->FindDir("DPkg::Chroot-Directory","/") != "/")
- {
- std::cerr << "Chrooting into "
- << _config->FindDir("DPkg::Chroot-Directory")
- << std::endl;
- if (chroot(_config->FindDir("DPkg::Chroot-Directory","/").c_str()) != 0)
- _exit(100);
- }
-
+ dpkgChrootDirectory();
const char *Args[4];
Args[0] = "/bin/sh";
Args[1] = "-c";
@@ -832,7 +836,17 @@ bool pkgDPkgPM::Go(int OutStatusFd)
// Generate the base argument list for dpkg
std::vector<const char *> Args;
unsigned long StartSize = 0;
- string const Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+ 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);
+ }
+ }
Args.push_back(Tmp.c_str());
StartSize += Tmp.length();
@@ -858,6 +872,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
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);
@@ -1202,14 +1217,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
}
close(fd[0]); // close the read end of the pipe
- if (_config->FindDir("DPkg::Chroot-Directory","/") != "/")
- {
- std::cerr << "Chrooting into "
- << _config->FindDir("DPkg::Chroot-Directory")
- << std::endl;
- if (chroot(_config->FindDir("DPkg::Chroot-Directory","/").c_str()) != 0)
- _exit(100);
- }
+ dpkgChrootDirectory();
if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
_exit(100);