From f87dfb1f11c01f2ccdc40d81e134cd06b32e28e8 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 7 May 2011 13:05:19 -0400 Subject: Backport BIND code to query name as TLD. --- resolv/res_query.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'resolv/res_query.c') diff --git a/resolv/res_query.c b/resolv/res_query.c index 5ff352e..26daf0d 100644 --- a/resolv/res_query.c +++ b/resolv/res_query.c @@ -123,7 +123,7 @@ __libc_res_nquery(res_state statp, { 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); @@ -210,7 +210,7 @@ __libc_res_nquery(res_state statp, if (statp->options & RES_DEBUG) printf(";; res_nquery: retry without EDNS0\n"); #endif - goto again; + goto again; } #ifdef DEBUG if (statp->options & RES_DEBUG) @@ -344,6 +344,7 @@ __libc_res_nsearch(res_state statp, 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. */ @@ -406,6 +407,7 @@ __libc_res_nsearch(res_state statp, for (domain = (const char * const *)statp->dnsrch; *domain && !done; domain++) { + searched = 1; if (domain[0][0] == '\0' || (domain[0][0] == '.' && domain[0][1] == '\0')) @@ -477,11 +479,11 @@ __libc_res_nsearch(res_state statp, } /* - * 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); -- cgit v1.1