cmdline/apt-dump-solver.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 /* #####################################################################
   4
   5    dummy solver to get quickly a scenario file out of APT
   6
   7    ##################################################################### */
   8                                                                         /*}}}*/
   9 // Include Files                                                        /*{{{*/
  10 #include <apt-pkg/edsp.h>
  11
  12 #include <string.h>
  13 #include <unistd.h>
  14 #include <cstdio>
  15 #include <iostream>
  16
  17 #include <config.h>
  18                                                                         /*}}}*/
  19
  20 // ShowHelp - Show a help screen                                        /*{{{*/
  21 // ---------------------------------------------------------------------
  22 /* */
  23 static bool ShowHelp() {
  24
  25         std::cout <<
  26                 PACKAGE " " PACKAGE_VERSION " for " COMMON_ARCH " compiled on " __DATE__ " " __TIME__ << std::endl <<
  27                 "Usage: apt-dump-resolver\n"
  28                 "\n"
  29                 "apt-dump-resolver is a dummy solver who just dumps its input to the\n"
  30                 "file /tmp/dump.edsp and exists with a proper EDSP error.\n"
  31                 "\n"
  32                 "                       This dump has lost Super Cow Powers.\n";
  33         return true;
  34 }
  35                                                                         /*}}}*/
  36 int main(int argc,const char *argv[])                                   /*{{{*/
  37 {
  38         if (argc > 1 && (strcmp(argv[1], "--help") == 0 || strcmp(argv[1],"-h") == 0 ||
  39             strcmp(argv[1],"-v") == 0 || strcmp(argv[1],"--version") == 0)) {
  40                 ShowHelp();
  41                 return 0;
  42         }
  43         // we really don't need anything
  44         DropPrivileges();
  45
  46         FILE* input = fdopen(STDIN_FILENO, "r");
  47         FILE* output = fopen("/tmp/dump.edsp", "w");
  48         char buffer[400];
  49         while (fgets(buffer, sizeof(buffer), input) != NULL)
  50                 fputs(buffer, output);
  51         fclose(output);
  52         fclose(input);
  53
  54         EDSP::WriteError("ERR_JUST_DUMPING", "I am too dumb, i can just dump!\nPlease use one of my friends instead!", stdout);
  55 }