diff options
Diffstat (limited to 'nss')
| -rw-r--r-- | nss/nss_dns/dns-host.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/nss/nss_dns/dns-host.c b/nss/nss_dns/dns-host.c index df8677abfa..d9bf4d7be5 100644 --- a/nss/nss_dns/dns-host.c +++ b/nss/nss_dns/dns-host.c @@ -206,6 +206,41 @@ _nss_dns_gethostbyname2_r (const char *name, int af, struct hostent *result, if (!isdigit (*cp) && *cp != '.') break; } + if (isxdigit (name[0]) || name[0] == ':') + for (cp = name;; ++cp) + { + if (*cp == '\0') + { + char *bp; + + if (*--cp == '.') + break; + /* + * All-IPv6-legal, no dot at the end. Fake up a hostent + * as if we'd actually done a lookup. + */ + if (inet_pton (af, name, host_data->host_addr) <= 0) + { + *h_errnop = HOST_NOT_FOUND; + return NSS_STATUS_NOTFOUND; + } + + bp = __stpncpy (host_data->linebuffer, name, linebuflen); + host_data->linebuffer[linebuflen - 1] = '\0'; + linebuflen -= bp - host_data->linebuffer; + + result->h_name = host_data->linebuffer; + result->h_aliases = host_data->aliases; + host_data->aliases[0] = NULL; + host_data->h_addr_ptrs[0] = (char *) host_data->host_addr; + host_data->h_addr_ptrs[1] = NULL; + result->h_addr_list = host_data->h_addr_ptrs; + *h_errnop = NETDB_SUCCESS; + return NSS_STATUS_SUCCESS; + } + if (!isxdigit (*cp) && *cp != ':' && *cp != '.') + break; + } n = res_search (name, C_IN, type, host_buffer.buf, sizeof (host_buffer)); if (n < 0) @@ -354,7 +389,7 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype, int n, ancount, qdcount; int haveanswer, had_error; char *bp, **ap, **hap; - char tbuf[MAXDNAME+1]; + char tbuf[MAXDNAME]; const char *tname; int (*name_ok) __P ((const char *)); |