ClearDNS/src/cleardns.c

#include <stdio.h>
#include <string.h>
#include "common.h"
#include "process.h"

char *init_script = "/usr/bin/load";
char *custom_script = "/etc/cleardns/custom.sh";

char *adguard_workdir = "/etc/cleardns/AdGuardHome";
char *overture_config = "/etc/overture/config.yml";
char *upstream_config = "/etc/cleardns/upstream.json";

void show_command(char *title, char **command) {
    int num = 0;
    fprintf(stderr, "%s => \"", title);
    while(command[num] != NULL) {
        fprintf(stderr, "%s", command[num++]);
        if (command[num] != NULL) {
            fprintf(stderr, " ");
        }
    }
    fprintf(stderr, "\"\n");
}

int main(int argc, char *argv[]) { // ClearDNS server
    int debug_mode = 0;
    fprintf(stderr, "[ClearDNS] Server start.\n");
    for (char **p = argv; p < argv + argc; ++p) {
        if (!strcmp(*p, "--debug")) { // --debug option
            ++debug_mode;
        }
    }

    init_server(init_script, custom_script); // run init script and custom script

    load_start_command(adguard_workdir, overture_config, upstream_config, debug_mode); // generate commands
    if (debug_mode) { // show exec command
        fprintf(stderr, "[ClearDNS] Debug mode.\n");
        show_command("[ClearDNS] adguard", adguard_command);
        show_command("[ClearDNS] overture", overture_command);
        show_command("[ClearDNS] dnsproxy (domestic)", domestic_dnsproxy_command);
        show_command("[ClearDNS] dnsproxy (foreign)", foreign_dnsproxy_command);
    }

    server_daemon(); // run as daemon to manage process in docker
    return 0;
}