| /* |
| * Copyright (C) 2002-2005 by Darren Reed. |
| * |
| * See the IPFILTER.LICENCE file for details on licencing. |
| * |
| * $Id$ |
| */ |
| |
| #include "ipf.h" |
| #include <ctype.h> |
| |
| int getproto(name) |
| char *name; |
| { |
| struct protoent *p; |
| char *s; |
| |
| for (s = name; *s != '\0'; s++) |
| if (!ISDIGIT(*s)) |
| break; |
| if (*s == '\0') |
| return atoi(name); |
| |
| #ifdef _AIX51 |
| /* |
| * For some bogus reason, "ip" is 252 in /etc/protocols on AIX 5 |
| * The IANA has doubled up on the definition of 0 - it is now also |
| * used for IPv6 hop-opts, so we can no longer rely on /etc/protocols |
| * providing the correct name->number mapping |
| */ |
| #endif |
| if (!strcasecmp(name, "ip")) |
| return 0; |
| |
| p = getprotobyname(name); |
| if (p != NULL) |
| return p->p_proto; |
| return -1; |
| } |