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| author | Ulrich Drepper <drepper@gmail.com> | 2011-05-07 13:05:19 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-05-07 13:05:19 -0400 |
| commit | f87dfb1f11c01f2ccdc40d81e134cd06b32e28e8 (patch) | |
| tree | a3576051b3e8e833c4035478d4f1ac1f946f3f29 /resolv/res_query.c | |
| parent | 47c3cd7a74e8c089d60d603afce6d9cf661178d6 (diff) | |
| download | glibc-f87dfb1f11c01f2ccdc40d81e134cd06b32e28e8.tar glibc-f87dfb1f11c01f2ccdc40d81e134cd06b32e28e8.tar.gz glibc-f87dfb1f11c01f2ccdc40d81e134cd06b32e28e8.tar.bz2 glibc-f87dfb1f11c01f2ccdc40d81e134cd06b32e28e8.zip | |
Backport BIND code to query name as TLD.
Diffstat (limited to 'resolv/res_query.c')
| -rw-r--r-- | resolv/res_query.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/resolv/res_query.c b/resolv/res_query.c index 5ff352e2fc..26daf0d87b 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); |