- if(!pidfilename)
- xasprintf(&pidfilename, LOCALSTATEDIR "/run/%s.pid", identname);
-
- if(!logfilename)
- xasprintf(&logfilename, LOCALSTATEDIR "/log/%s.log", identname);
-
- if(netname) {
- if(!confbase)
- xasprintf(&confbase, CONFDIR "/tinc/%s", netname);
- else
- logger(LOG_INFO, "Both netname and configuration directory given, using the latter...");
- } else {
- if(!confbase)
- xasprintf(&confbase, CONFDIR "/tinc");
- }
-}
-
-static void free_names() {
- if (identname) free(identname);
- if (netname) free(netname);
- if (pidfilename) free(pidfilename);
- if (logfilename) free(logfilename);
- if (confbase) free(confbase);
-}
-
-static bool drop_privs() {
-#ifdef HAVE_MINGW
- if (switchuser) {
- logger(LOG_ERR, "%s not supported on this platform", "-U");
- return false;
- }
- if (do_chroot) {
- logger(LOG_ERR, "%s not supported on this platform", "-R");
- return false;
- }
-#else
- uid_t uid = 0;
- if (switchuser) {
- struct passwd *pw = getpwnam(switchuser);
- if (!pw) {
- logger(LOG_ERR, "unknown user `%s'", switchuser);
- return false;
- }
- uid = pw->pw_uid;
- if (initgroups(switchuser, pw->pw_gid) != 0 ||
- setgid(pw->pw_gid) != 0) {
- logger(LOG_ERR, "System call `%s' failed: %s",
- "initgroups", strerror(errno));
- return false;
- }
- endgrent();
- endpwent();
- }
- if (do_chroot) {
- tzset(); /* for proper timestamps in logs */
- if (chroot(confbase) != 0 || chdir("/") != 0) {
- logger(LOG_ERR, "System call `%s' failed: %s",
- "chroot", strerror(errno));
- return false;
- }
- free(confbase);
- confbase = xstrdup("");
- }
- if (switchuser)
- if (setuid(uid) != 0) {
- logger(LOG_ERR, "System call `%s' failed: %s",
- "setuid", strerror(errno));
- return false;
- }
-#endif