8597553f96
- Support an arbitrary number of search domains (#168253) - Detect and apply /etc/resolv.conf changes in libresolv (#1374239) - CVE-2015-5180: DNS stub resolver crash with crafted record type (#1251403)
96 lines
2.7 KiB
Diff
96 lines
2.7 KiB
Diff
commit 3f8f1eb6b0ca45205cea3591f27727e21d598f62
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Fri Jun 30 11:32:12 2017 +0200
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resolv: Remove DEBUG from resolv/res_query.c
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diff --git a/resolv/res_query.c b/resolv/res_query.c
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index 5312c8e729c39516..760bf324e817c79e 100644
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--- a/resolv/res_query.c
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+++ b/resolv/res_query.c
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@@ -80,9 +80,6 @@
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#include <string.h>
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#include <shlib-compat.h>
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-/* Options. Leave them on. */
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-/* #undef DEBUG */
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-
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#if PACKETSZ > 65536
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#define MAXPACKET PACKETSZ
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#else
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@@ -133,11 +130,6 @@ __libc_res_nquery(res_state statp,
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again:
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hp->rcode = NOERROR; /* default */
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-#ifdef DEBUG
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- if (statp->options & RES_DEBUG)
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- printf(";; res_query(%s, %d, %d)\n", name, class, type);
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-#endif
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-
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if (type == T_QUERY_A_AND_AAAA)
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{
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n = res_nmkquery(statp, QUERY, name, class, T_A, NULL, 0, NULL,
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@@ -211,10 +203,6 @@ __libc_res_nquery(res_state statp,
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}
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}
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if (__glibc_unlikely (n <= 0)) {
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-#ifdef DEBUG
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- if (statp->options & RES_DEBUG)
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- printf(";; res_query: mkquery failed\n");
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-#endif
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RES_SET_H_ERRNO(statp, NO_RECOVERY);
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if (use_malloc)
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free (buf);
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@@ -227,10 +215,6 @@ __libc_res_nquery(res_state statp,
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if (use_malloc)
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free (buf);
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if (n < 0) {
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-#ifdef DEBUG
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- if (statp->options & RES_DEBUG)
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- printf(";; res_query: send error\n");
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-#endif
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RES_SET_H_ERRNO(statp, TRY_AGAIN);
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return (n);
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}
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@@ -260,15 +244,6 @@ __libc_res_nquery(res_state statp,
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if ((hp->rcode != NOERROR || ntohs(hp->ancount) == 0)
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&& (hp2->rcode != NOERROR || ntohs(hp2->ancount) == 0)) {
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-#ifdef DEBUG
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- if (statp->options & RES_DEBUG) {
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- printf(";; rcode = %d, ancount=%d\n", hp->rcode,
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- ntohs(hp->ancount));
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- if (hp != hp2)
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- printf(";; rcode2 = %d, ancount2=%d\n", hp2->rcode,
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- ntohs(hp2->ancount));
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- }
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-#endif
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switch (hp->rcode == NOERROR ? hp2->rcode : hp->rcode) {
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case NXDOMAIN:
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if ((hp->rcode == NOERROR && ntohs (hp->ancount) != 0)
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@@ -374,12 +349,6 @@ __libc_res_nsearch(res_state statp,
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anslen, answerp, answerp2,
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nanswerp2, resplen2, answerp2_malloced));
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-#ifdef DEBUG
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- if (statp->options & RES_DEBUG)
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- printf("dots=%d, statp->ndots=%d, trailing_dot=%d, name=%s\n",
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- (int)dots,(int)statp->ndots,(int)trailing_dot,name);
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-#endif
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-
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/*
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* If there are enough dots in the name, let's just give it a
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* try 'as is'. The threshold can be set with the "ndots" option.
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@@ -590,11 +559,6 @@ __libc_res_nquerydomain(res_state statp,
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const char *longname = nbuf;
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size_t n, d;
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-#ifdef DEBUG
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- if (statp->options & RES_DEBUG)
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- printf(";; res_nquerydomain(%s, %s, %d, %d)\n",
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- name, domain?domain:"<Nil>", class, type);
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-#endif
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if (domain == NULL) {
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n = strlen(name);
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