diff options
Diffstat (limited to 'apt-pkg/deb/dpkgpm.cc')
| -rw-r--r-- | apt-pkg/deb/dpkgpm.cc | 89 |
1 files changed, 87 insertions, 2 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index 7645929db..e68dfdc44 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: dpkgpm.cc,v 1.12 1999/07/26 17:46:08 jgg Exp $ +// $Id: dpkgpm.cc,v 1.13 1999/07/30 06:15:14 jgg Exp $ /* ###################################################################### DPKG Package Manager - Provide an interface to dpkg @@ -22,6 +22,7 @@ #include <sys/wait.h> #include <signal.h> #include <errno.h> +#include <stdio.h> /*}}}*/ // DPkgPM::pkgDPkgPM - Constructor /*{{{*/ @@ -138,6 +139,87 @@ bool pkgDPkgPM::RunScripts(const char *Cnf) return true; } + + /*}}}*/ +// DPkgPM::RunScriptsWithPkgs - Run scripts with package names on stdin /*{{{*/ +// --------------------------------------------------------------------- +/* This looks for a list of scripts to run from the configuration file + each one is run and is fed on standard input a list of all .deb files + that are due to be installed. */ +bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) +{ + Configuration::Item const *Opts = _config->Tree(Cnf); + if (Opts == 0 || Opts->Child == 0) + return true; + Opts = Opts->Child; + + unsigned int Count = 1; + for (; Opts != 0; Opts = Opts->Next, Count++) + { + if (Opts->Value.empty() == true) + continue; + + // Create the pipes + int Pipes[2]; + if (pipe(Pipes) != 0) + return _error->Errno("pipe","Failed to create IPC pipe to subprocess"); + SetCloseExec(Pipes[0],true); + SetCloseExec(Pipes[1],true); + + // Purified Fork for running the script + pid_t Process = ExecFork(); + if (Process == 0) + { + // Setup the FDs + dup2(Pipes[0],STDIN_FILENO); + SetCloseExec(STDOUT_FILENO,false); + SetCloseExec(STDIN_FILENO,false); + SetCloseExec(STDERR_FILENO,false); + + const char *Args[5]; + Args[0] = "/bin/sh"; + Args[1] = "/bin/sh"; + Args[2] = "-c"; + Args[3] = Opts->Value.c_str(); + Args[4] = 0; + execv(Args[0],(char **)Args); + _exit(100); + } + close(Pipes[0]); + FileFd Fd(Pipes[1]); + + // Feed it the filenames. + for (vector<Item>::iterator I = List.begin(); I != List.end();) + { + // Only deal with packages to be installed from .deb + if (I->Op != Item::Install) + continue; + + // No errors here.. + if (I->File[0] != '/') + continue; + + /* Feed the filename of each package that is pending install + into the pipe. */ + if (Fd.Write(I->File.begin(),I->File.length()) == false || + Fd.Write("\n",1) == false) + { + kill(Process,SIGINT); + Fd.Close(); + ExecWait(Process,Opts->Value.c_str(),true); + return false; + } + } + Fd.Close(); + + // Clean up the sub process + if (ExecWait(Process,Opts->Value.c_str()) == false) + return false; + } + + return true; +} + /*}}}*/ // DPkgPM::Go - Run the sequence /*{{{*/ // --------------------------------------------------------------------- @@ -146,7 +228,10 @@ bool pkgDPkgPM::Go() { if (RunScripts("DPkg::Pre-Invoke") == false) return false; - + + if (RunScriptsWithPkgs("DPkg::Pre-Install-Pkgs") == false) + return false; + for (vector<Item>::iterator I = List.begin(); I != List.end();) { vector<Item>::iterator J = I; |