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         ioprintf(std::cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH);
  25         std::cout <<
  26                 "Usage: apt-dump-resolver\n"
  27                 "\n"
  28                 "apt-dump-resolver is a dummy solver who just dumps its input to the\n"
  29                 "file /tmp/dump.edsp and exists with a proper EDSP error.\n"
  30                 "\n"
  31                 "                       This dump has lost Super Cow Powers.\n";
  32         return true;
  33 }
  34                                                                         /*}}}*/
  35 int main(int argc,const char *argv[])                                   /*{{{*/
  36 {
  37         if (argc > 1 && (strcmp(argv[1], "--help") == 0 || strcmp(argv[1],"-h") == 0 ||
  38             strcmp(argv[1],"-v") == 0 || strcmp(argv[1],"--version") == 0)) {
  39                 ShowHelp();
  40                 return 0;
  41         }
  42         // we really don't need anything
  43         DropPrivileges();
  44
  45         FILE* input = fdopen(STDIN_FILENO, "r");
  46         FILE* output = fopen("/tmp/dump.edsp", "w");
  47         char buffer[400];
  48         while (fgets(buffer, sizeof(buffer), input) != NULL)
  49                 fputs(buffer, output);
  50         fclose(output);
  51         fclose(input);
  52
  53         EDSP::WriteError("ERR_JUST_DUMPING", "I am too dumb, i can just dump!\nPlease use one of my friends instead!", stdout);
  54 }