Revert 92378 because it broke Win Builder (dbg)(shared) - Additional Commits for Linux printer dr...

cloud_print/virtual_driver/posix/virtual_driver_posix.cc

Index: cloud_print/virtual_driver/posix/virtual_driver_posix.cc
===================================================================
--- cloud_print/virtual_driver/posix/virtual_driver_posix.cc	(revision 92378)
+++ cloud_print/virtual_driver/posix/virtual_driver_posix.cc	(working copy)
@@ -1,156 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <pwd.h>
-#include <stdio.h>
-
-#include <cups/backend.h>
-
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-
-#include "base/at_exit.h"
-#include "base/base_paths.h"
-#include "base/command_line.h"
-#include "base/file_path.h"
-#include "base/logging.h"
-#include "base/path_service.h"
-
-#include "cloud_print/virtual_driver/posix/printer_driver_util_posix.h"
-
-using namespace std;
-
-int WriteToTemp(FILE* input_pdf, FilePath output_path) {
-  FILE* output_pdf;
-  char buffer[128];
-  output_pdf = fopen(output_path.value().c_str(),"w");
-  if(output_pdf == NULL) {
-    LOG(ERROR) <<"Unable to open file handle for writing output file";
-     exit(CUPS_BACKEND_CANCEL);
-  }
-  // Read from input file or stdin and write to output file.
-  while(fgets(buffer,128,input_pdf) != NULL){
-    fputs(buffer, output_pdf);
-  }
-
-  LOG(INFO) << "Successfully wrote output file";
-  // ensure everything is written, then close the files.
-  fflush(output_pdf);
-  fclose(input_pdf);
-  fclose(output_pdf);
-}
-
-void SetUser(const char* user) {
-  struct passwd* calling_user=NULL;
-  calling_user=getpwnam(user);
-  if(calling_user == NULL) {
-    LOG(ERROR) << "Unable to get calling user";
-    exit(CUPS_BACKEND_CANCEL);
-  }
-  if(setgid(calling_user->pw_gid)==-1) {
-    LOG(ERROR) << "Unable to set group ID";
-    exit(CUPS_BACKEND_CANCEL);
-  }
-  if(!setuid(calling_user->pw_uid)==-1)  {
-    LOG(ERROR) << "Unable to set UID";
-    exit(CUPS_BACKEND_CANCEL);
-  }
-
-  LOG(INFO) << "Successfully set user and group ID";
-}
-
-
-
-// Main function for backend.
-int main(int argc, const char* argv[]) {
-  // With no arguments, send identification string as required by CUPS.
-  if (argc==1) {
-    printf("file GCP-driver:/ \"GCP Virtual Driver\" \"GCP Virtual Driver\" "
-            "\"MFG:Google Inc.;MDL:GCP Virtual Driver;DES:GCP Virtual Driver;"
-            "CLS:PRINTER;CMD:POSTSCRIPT;\"\n");
-    return 0;
-  }
-
-  if (argc<6 || argc>7) {
-    fprintf(stderr,"Usage: GCP-Driver job-id user"
-                    "title copies options [file]\n");
-    return 0;
-  }
-
-  //AtExitManager is necessary to use the path service.
-  base::AtExitManager aemanager;
-  // File handler for the temporary PDF we pass onto Chrome.
-  FILE* output_pdf;
-  //CommandLine is only setup to enable logging, never used subseqeuently.
-  CommandLine::Init(argc,argv);
-  // Location for the log file.
-  std::string log_location="/var/log/GCP-Driver.log";
-
-  // Set up logging.
-  logging::InitLogging(log_location.c_str(),
-                       logging::LOG_ONLY_TO_FILE,
-                       logging::LOCK_LOG_FILE,
-                       logging::APPEND_TO_OLD_LOG_FILE,
-                       logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);
-
-  // Temporary directory to hold the output file.
-  FilePath temp_dir;
-  // Strings to hold details of current job.
-  std::string current_user;
-  std::string set_var;
-  std::string job_title;
-  std::string job_id;
-  std::string file_name;
-
-  // Get temp directory to hold spool file.
-  if(!PathService::Get(base::DIR_TEMP, &temp_dir)) {
-    LOG(ERROR) << "Unable to get DIR_TEMP";
-    return CUPS_BACKEND_CANCEL;
-  }
-  // Get details from command line and set spool path.
-  current_user = argv[2];
-  job_title = argv[3];
-  job_id = argv[1];
-  file_name = current_user + "-"  + job_title + "-" + job_id;
-  FilePath output_path = temp_dir.Append(file_name);
-
-  // Read from file if specified.
-  if(argc==7){
-    FILE* input_pdf=fopen(argv[6],"r");
-    if(input_pdf == NULL) {
-      LOG(ERROR) << "Unable to read input PDF";
-      return CUPS_BACKEND_CANCEL;
-    }
-    // File is opened.
-    WriteToTemp(input_pdf,output_path);
-  }
-  // Otherwise, read from stdin.
-  else{
-    WriteToTemp(stdin, output_path);
-  }
-
-  // Set File permissions to allow non-sudo user to read spool file.
-  if(chmod(output_path.value().c_str(),S_IRUSR|S_IWUSR|S_IROTH|S_IWOTH)!=0) {
-    LOG(ERROR)<<"Unable to change file permissions";
-    return CUPS_BACKEND_CANCEL;
-  }
-
-  pid_t pid=fork();
-
-  if(!pid) {
-    // In child process.
-
-    // Set the user to the one that initiated print job.
-    SetUser(argv[2]);
-
-    // Launch Chrome and pass the print job onto Cloud Print.
-    LaunchPrintDialog(output_path.value(), job_title, current_user);
-
-    return 0;
-  }// back in parent process.
-  // wait for child, then terminate.
-  waitpid(pid,NULL,0);
-  return 0;
-}// main