diff options
Diffstat (limited to 'apt-pkg/deb/dpkgpm.cc')
| -rw-r--r-- | apt-pkg/deb/dpkgpm.cc | 44 |
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); |