mirror of
https://github.com/pi-hole/FTL.git
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103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/* Pi-hole: A black hole for Internet advertisements
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* (c) 2017 Pi-hole, LLC (https://pi-hole.net)
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* Network-wide ad blocking via your own hardware.
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*
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* FTL Engine
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* Core routine
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*
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* This file is copyright under the latest version of the EUPL.
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* Please see LICENSE file for your rights under this license. */
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#include "FTL.h"
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char * username;
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bool needGC = false;
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bool needDBGC = false;
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int main (int argc, char* argv[])
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{
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// Get user pihole-FTL is running as
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// We store this in a global variable
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// such that the log routine can access
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// it if needed
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username = getUserName();
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// Parse arguments
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// We run this also for no direct arguments
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// to have arg{c,v}_dnsmasq initialized
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parse_args(argc, argv);
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// Try to open FTL log
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open_FTL_log(true);
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timer_start(EXIT_TIMER);
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logg("########## FTL started! ##########");
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log_FTL_version(false);
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// Catch signals like SIGTERM and SIGINT
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// Other signals like SIGHUP, SIGUSR1 are handled by the resolver part
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handle_signals();
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// Process pihole-FTL.conf
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read_FTLconf();
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// Initialize shared memory
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if(!init_shmem())
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{
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logg("Initialization of shared memory failed.");
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return EXIT_FAILURE;
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}
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// pihole-FTL should really be run as user "pihole" to not mess up with file permissions
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// print warning otherwise
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if(strcmp(username, "pihole") != 0)
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logg("WARNING: Starting pihole-FTL as user %s is not recommended", username);
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// Initialize database
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if(config.maxDBdays != 0)
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db_init();
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// Try to import queries from long-term database if available
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if(database && config.DBimport)
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read_data_from_DB();
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log_counter_info();
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check_setupVarsconf();
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// Check for availability of advanced capabilities
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// immediately before starting the resolver.
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check_capabilities();
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// Start the resolver
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main_dnsmasq(argc_dnsmasq, argv_dnsmasq);
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logg("Shutting down...");
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// Cancel active threads as we don't need them any more
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if(ipv4telnet) pthread_cancel(telnet_listenthreadv4);
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if(ipv6telnet) pthread_cancel(telnet_listenthreadv6);
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pthread_cancel(socket_listenthread);
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// Save new queries to database
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if(database)
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{
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save_to_DB();
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logg("Finished final database update");
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}
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// Close sockets
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close_telnet_socket();
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close_unix_socket();
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// Free regex list and array of whitelisted domains
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free_regex();
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free_whitelist_domains();
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// Remove shared memory objects
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destroy_shmem();
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//Remove PID file
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removepid();
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logg("########## FTL terminated after %.1f ms! ##########", timer_elapsed_msec(EXIT_TIMER));
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return EXIT_SUCCESS;
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}
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