+2011-05-07 Ulrich Drepper <drepper@gmail.com>
+
+ [BZ #12734]
+ * resolv/resolv.h: Define RES_NOTLDQUERY.
+ * resolv/res_init.c (res_setoptions): Recognize no_tld_query and
+ no-tld-query and set RES_NOTLDQUERY.
+ * resolv/res_debug.c (p_option): Handle RES_NOTLDQUERY.
+ * resolv/res_query.c (__libc_res_nsearch): Backport changes from
+ modern BIND to search name as TLD unless forbidden.
+
2011-05-07 Petr Baudis <pasky@suse.cz>
Ulrich Drepper <drepper@gmail.com>
11724, 12393, 12420, 12445, 12454, 12460, 12469, 12489, 12509, 12510,
12518, 12583, 12587, 12597, 12631, 12650, 12653, 12655, 12685, 12714,
- 12717, 12723
+ 12717, 12723, 12734
\f
Version 2.13
buf = malloc(buflen += 1024);
if (buf == NULL) {
fprintf(file,
- ";; memory allocation failure\n");
+ ";; memory allocation failure\n");
return;
}
continue;
{C_HS, "HESIOD"},
{C_ANY, "ANY"},
{C_NONE, "NONE"},
- {C_IN, (char *)0}
+ {C_IN, (char *)0}
};
libresolv_hidden_data_def (__p_class_syms)
case RES_USEBSTRING: return "ip6-bytstring";
case RES_USE_EDNS0: return "edns0";
case RES_USE_DNSSEC: return "dnssec";
+ case RES_NOTLDQUERY: return "no-tld-query";
/* XXX nonreentrant */
default: sprintf(nbuf, "?0x%lx?", (u_long)option);
return (nbuf);
} else if (!strncmp(cp, "single-request",
sizeof("single-request") - 1)) {
statp->options |= RES_SNGLKUP;
+ } else if (!strncmp(cp, "no_tld_query",
+ sizeof("no_tld_query") - 1) ||
+ !strncmp(cp, "no-tld-query",
+ sizeof("no-tld-query") - 1)) {
+ statp->options |= RES_NOTLDQUERY;
} else {
/* XXX - print a warning here? */
}
{
HEADER *hp = (HEADER *) answer;
int n, use_malloc = 0;
- u_int oflags = statp->_flags;
+ u_int oflags = statp->_flags;
size_t bufsize = (type == T_UNSPEC ? 2 : 1) * QUERYSIZE;
u_char *buf = alloca (bufsize);
if (statp->options & RES_DEBUG)
printf(";; res_nquery: retry without EDNS0\n");
#endif
- goto again;
+ goto again;
}
#ifdef DEBUG
if (statp->options & RES_DEBUG)
int trailing_dot, ret, saved_herrno;
int got_nodata = 0, got_servfail = 0, root_on_list = 0;
int tried_as_is = 0;
+ int searched = 0;
__set_errno (0);
RES_SET_H_ERRNO(statp, HOST_NOT_FOUND); /* True if we never query. */
for (domain = (const char * const *)statp->dnsrch;
*domain && !done;
domain++) {
+ searched = 1;
if (domain[0][0] == '\0' ||
(domain[0][0] == '.' && domain[0][1] == '\0'))
}
/*
- * If the name has any dots at all, and no earlier 'as-is' query
- * for the name, and "." is not on the search list, then try an as-is
- * query now.
+ * f the query has not already been tried as is then try it
+ * unless RES_NOTLDQUERY is set and there were no dots.
*/
- if (dots && !(tried_as_is || root_on_list)) {
+ if ((dots || !searched || (statp->options & RES_NOTLDQUERY) == 0)
+ && !(tried_as_is || root_on_list)) {
ret = __libc_res_nquerydomain(statp, name, NULL, class, type,
answer, anslen, answerp,
answerp2, nanswerp2, resplen2);
# define RES_MAXTIME 65535 /* Infinity, in milliseconds. */
struct __res_state {
- int retrans; /* retransmition time interval */
+ int retrans; /* retransmition time interval */
int retry; /* number of times to retransmit */
u_long options; /* option flags - see below. */
int nscount; /* number of name servers */
#define RES_SNGLKUPREOP 0x00400000 /* -"-, but open new socket for each
request */
#define RES_USE_DNSSEC 0x00800000 /* use DNSSEC using OK bit in OPT */
+#define RES_NOTLDQUERY 0x01000000 /* Do not look up unqualified name
+ as a TLD. */
#define RES_DEFAULT (RES_RECURSE|RES_DEFNAMES|RES_DNSRCH|RES_NOIP6DOTINT)