diff options
Diffstat (limited to 'lib/libc/net/res_init.c')
| -rw-r--r-- | lib/libc/net/res_init.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/libc/net/res_init.c b/lib/libc/net/res_init.c index 8f6e649..d1e6249 100644 --- a/lib/libc/net/res_init.c +++ b/lib/libc/net/res_init.c @@ -112,6 +112,9 @@ struct __res_state _res # endif ; +#ifdef INET6 +struct __res_state_ext _res_ext; +#endif /* INET6 */ /* * Set up default settings. If the configuration file exist, the values @@ -314,6 +317,9 @@ res_init() #ifdef RESOLVSORT if (MATCH(buf, "sortlist")) { struct in_addr a; +#ifdef INET6 + struct in6_addr a6; +#endif /* INET6 */ cp = buf + sizeof("sortlist") - 1; while (nsort < MAXRESOLVSORT) { @@ -347,8 +353,61 @@ res_init() _res.sort_list[nsort].mask = net_mask(_res.sort_list[nsort].addr); } +#ifdef INET6 + _res_ext.sort_list[nsort].af = AF_INET; + _res_ext.sort_list[nsort].addr.ina = + _res.sort_list[nsort].addr; + _res_ext.sort_list[nsort].mask.ina.s_addr = + _res.sort_list[nsort].mask; +#endif /* INET6 */ nsort++; } +#ifdef INET6 + else if (inet_pton(AF_INET6, net, &a6) == 1) { + int m, i; + u_char *u; + + _res_ext.sort_list[nsort].af = AF_INET6; + _res_ext.sort_list[nsort].addr.in6a = a6; + u = (u_char *)&_res_ext.sort_list[nsort].mask.in6a; + *cp++ = n; + net = cp; + while (*cp && *cp != ';' && + isascii(*cp) && !isspace(*cp)) + cp++; + m = n; + n = *cp; + *cp = 0; + switch (m) { + case '/': + m = atoi(net); + break; + case '&': + if (inet_pton(AF_INET6, net, u) == 1) { + m = -1; + break; + } + /*FALLTHROUGH*/ + default: + m = sizeof(struct in6_addr) * NBBY; + break; + } + if (m >= 0) { + for (i = 0; i < sizeof(struct in6_addr); i++) { + if (m <= 0) { + *u = 0; + } else { + m -= NBBY; + *u = (u_char)~0; + if (m < 0) + *u <<= -m; + } + u++; + } + } + nsort++; + } +#endif /* INET6 */ *cp = n; } continue; |
