+ ctdlvisor_exit(citserver_exit_code);
+}
+
+
+int main(int argc, char **argv) {
+ int a;
+ int migrate_mode = 0;
+
+ if (getenv("APPDIR") == NULL) {
+ fprintf(stderr, "ctdlvisor: APPDIR is not set. This program must be run from within an AppImage.\n");
+ ctdlvisor_exit(1);
+ }
+
+ /* parse command-line arguments */
+ while ((a=getopt(argc, argv, "cm")) != EOF) switch(a) {
+
+ // test this binary for compatibility and exit
+ case 'c':
+ fprintf(stderr, "%s: binary compatibility confirmed\n", argv[0]);
+ exit(0);
+ break;
+
+ // run ctdlmigrate only
+ case 'm':
+ migrate_mode = 1;
+ break;
+
+ // any other parameter makes it crash and burn
+ default:
+ fprintf(stderr, "usage\n");
+ exit(1);
+ }
+
+ fprintf(stderr, "ctdlvisor: Welcome to the Citadel System, brought to you using AppImage.\n");
+ fprintf(stderr, "ctdlvisor: LD_LIBRARY_PATH = %s\n", getenv("LD_LIBRARY_PATH"));
+ fprintf(stderr, "ctdlvisor: PATH = %s\n", getenv("PATH"));
+ fprintf(stderr, "ctdlvisor: APPDIR = %s\n", getenv("APPDIR"));
+ fprintf(stderr, "ctdlvisor: data directory = %s\n", getenv("CTDL_DIR"));
+ fprintf(stderr, "ctdlvisor: HTTP port = %s\n", getenv("HTTP_PORT"));
+ fprintf(stderr, "ctdlvisor: HTTPS port = %s\n", getenv("HTTPS_PORT"));
+
+ if (access(getenv("CTDL_DIR"), R_OK|W_OK|X_OK)) {
+ fprintf(stderr, "ctdlvisor: %s: %s\n", getenv("CTDL_DIR"), strerror(errno));
+ ctdlvisor_exit(errno);
+ }
+
+ signal(SIGHUP, signal_handler);
+
+ // "migrate mode" means we just start the server and then run ctdlmigrate interactively.
+ if (migrate_mode) {
+ citserver_pid = start_citadel();
+ fprintf(stderr, "ctdlvisor: waiting a moment for citserver to initialize...\n");
+ sleep(5);
+ char bin[1024];
+ sprintf(bin, "%s/usr/local/citadel/ctdlmigrate", getenv("APPDIR"));
+ system(bin);
+ kill(citserver_pid, SIGTERM);
+ }
+
+ // Otherwise, it's just a normal happy day in Citadel land.
+ else {
+ signal(SIGTERM, signal_handler);
+ signal(SIGINT, signal_handler);
+ signal(SIGQUIT, signal_handler);
+
+ citserver_pid = start_citadel();
+ webcit_pid = start_webcit();
+ webcits_pid = start_webcits();
+
+ main_loop();
+ }