348 static void check_daemon(pat)  in check_daemon()  argument
349 char   *pat;  in check_daemon()
351     if (pat[0] == '@') {
352 	tcpd_warn("%s: daemon name begins with \"@\"", pat);
353     } else if (pat[0] == '.') {
354 	tcpd_warn("%s: daemon name begins with dot", pat);
355     } else if (pat[strlen(pat) - 1] == '.') {
356 	tcpd_warn("%s: daemon name ends in dot", pat);
357     } else if (STR_EQ(pat, "ALL") || STR_EQ(pat, unknown)) {
359     } else if (STR_EQ(pat, "FAIL")) {		/* obsolete */
362     } else if (reserved_name(pat)) {
363 	tcpd_warn("%s: daemon name may be reserved word", pat);
365 	switch (inet_get(pat)) {
367 	    tcpd_warn("%s: no such process name in %s", pat, inetcf);
368 	    inet_set(pat, WR_YES);		/* shut up next time */
371 	    tcpd_warn("%s: service possibly not wrapped", pat);
372 	    inet_set(pat, WR_YES);
380 static void check_user(pat)  in check_user()  argument
381 char   *pat;  in check_user()
383     if (pat[0] == '@') {			/* @netgroup */
384 	tcpd_warn("%s: user name begins with \"@\"", pat);
385     } else if (pat[0] == '.') {
386 	tcpd_warn("%s: user name begins with dot", pat);
387     } else if (pat[strlen(pat) - 1] == '.') {
388 	tcpd_warn("%s: user name ends in dot", pat);
389     } else if (STR_EQ(pat, "ALL") || STR_EQ(pat, unknown)
390 	       || STR_EQ(pat, "KNOWN")) {
392     } else if (STR_EQ(pat, "FAIL")) {		/* obsolete */
395     } else if (reserved_name(pat)) {
396 	tcpd_warn("%s: user name may be reserved word", pat);
402 static int check_host(pat)  in check_host()  argument
403 char   *pat;  in check_host()
408     if (pat[0] == '@') {			/* @netgroup */
417 	setnetgrent(pat + 1);
419 	    tcpd_warn("%s: unknown or empty netgroup", pat + 1);
426     } else if (pat[0] == '[') {
428 	    char *cbr = strchr(pat, ']');
429 	    char *slash = strchr(pat, '/');
442 		err += inet_pton(AF_INET6, pat+1, &in6) != 1;
447 		tcpd_warn("bad IP6 address specification: %s", pat);
449     } else if (mask = split_at(pat, '/')) {	/* network/netmask */
450 	if (dot_quad_addr(pat) == INADDR_NONE
452 	    tcpd_warn("%s/%s: bad net/mask pattern", pat, mask);
453     } else if (STR_EQ(pat, "FAIL")) {		/* obsolete */
456     } else if (reserved_name(pat)) {		/* other reserved */
458     } else if (NOT_INADDR(pat)) {		/* internet name */
459 	if (pat[strlen(pat) - 1] == '.') {
460 	    tcpd_warn("%s: domain or host name ends in dot", pat);
461 	} else if (pat[0] != '.') {
462 	    addr_count = check_dns(pat);
465 	if (STR_EQ(pat, "0.0.0.0") || STR_EQ(pat, "255.255.255.255")) {
467 	} else if (pat[0] == '.') {
468 	    tcpd_warn("%s: network number begins with dot", pat);
469 	} else if (pat[strlen(pat) - 1] != '.') {
470 	    check_dns(pat);
478 static int reserved_name(pat)  in reserved_name()  argument
479 char   *pat;  in reserved_name()
481     return (STR_EQ(pat, unknown)
482 	    || STR_EQ(pat, "KNOWN")
483 	    || STR_EQ(pat, paranoid)
484 	    || STR_EQ(pat, "ALL")
485 	    || STR_EQ(pat, "LOCAL"));