/* process.c - Processes operations for qADSL */#include <errno.h>#include <stdio.h>#include <string.h>#include <stdlib.h>#include "config.h"#include "process.h"#include "daemon.h"#include "http.h"#include "lock.h"#include "log.h"int process (config_data_t *config, op_t operation, int verbose){  int   result  = 0;  pid_t running = lock_read (&config->pid_file);    switch (operation)    {      /* Login, and perhaps start the autologin daemon... */    case LOGIN:      if (running)        {          fprintf (stderr,                    "qADSL already running on pid %d - logout the current "		   "session first.\n",		   running);          return EXIT_FAILURE;        }      result = pre_login (config, verbose);      if (!result)        {          /* Test if we're logged in already. */          if (!strstr (config->get_msg, config->logged_in_string))            {              /* Nope, login first. */              result = internet_login (config, verbose);            }                    if (!result)            {              config->logged_in = 1;            }        }      if (config->daemon_start)        {          if (lock_remove (config->pid_file))            {	      /* Non-fatal error, it's OK if we run the first time. */              if (EACCES == errno)                {                  fprintf (stderr, "%s: Failed to delete old PID file, %s - %s\n", 			   PACKAGE_NAME, config->pid_file, strerror (errno));                }            }                    /* Always try to fork off the daemon. */          if (daemonize () == 0)            {              daemon_thread (config);            }        }      break;      /* Logout, discarding all possible errors - just logout */    case LOGOUT:      if (!running)        {          fprintf (stderr, "No active session found, will logout anyway.\n");        }      else        {          daemon_kill (running);          lock_remove (config->pid_file);        }      result = internet_logout (config, verbose);      break;    default:    case NOP:    case STATUS:      if (running)        {          printf ("%s running with PID = %d\n", PACKAGE_NAME, running);        }       else        {          printf ("%s not running.\n", PACKAGE_NAME);        }      result = 0;    }  return result;}