non-existance of resolv.conf should not be fatal
Resolves rhbz#1052343 Signed-off-by: Tomas Hozza <thozza@redhat.com>
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Tomas Hozza
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113
bind-9.9.5-nonexistence-of-resolv-conf.patch
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113
bind-9.9.5-nonexistence-of-resolv-conf.patch
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From e3d1d75a58dcc6bdb7fa7a9a3147ffd297407c76 Mon Sep 17 00:00:00 2001
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From: Mark Andrews via RT <dhcp-bugs@isc.org>
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Date: Wed, 15 Jan 2014 02:30:27 +0000
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Subject: [PATCH] non-existance of resolv.conf should not be fatal
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I've just put the following in for review. The open question is whether
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we should return ISC_R_SUCCESS or some error code, when the file does not
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exist, and fix the callers.
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This should be enough to allow you to continue testing.
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Mark
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commit 1992f682728798ef73db89351285f03de6d52043
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Author: Mark Andrews <marka@isc.org>
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Date: Wed Jan 15 13:25:22 2014 +1100
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---
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lib/irs/resconf.c | 75 +++++++++++++++++++++++++++++--------------------------
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1 file changed, 40 insertions(+), 35 deletions(-)
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diff --git a/lib/irs/resconf.c b/lib/irs/resconf.c
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index 88bdac1..8319dc6 100644
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--- a/lib/irs/resconf.c
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+++ b/lib/irs/resconf.c
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@@ -507,45 +507,50 @@ irs_resconf_load(isc_mem_t *mctx, const char *filename, irs_resconf_t **confp)
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conf->search[i] = NULL;
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errno = 0;
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- if ((fp = fopen(filename, "r")) == NULL) {
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- isc_mem_put(mctx, conf, sizeof(*conf));
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- return (ISC_R_INVALIDFILE);
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- }
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-
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- ret = ISC_R_SUCCESS;
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- do {
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- stopchar = getword(fp, word, sizeof(word));
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- if (stopchar == EOF) {
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- rval = ISC_R_SUCCESS;
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- POST(rval);
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- break;
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- }
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-
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- if (strlen(word) == 0U)
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- rval = ISC_R_SUCCESS;
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- else if (strcmp(word, "nameserver") == 0)
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- rval = resconf_parsenameserver(conf, fp);
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- else if (strcmp(word, "domain") == 0)
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- rval = resconf_parsedomain(conf, fp);
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- else if (strcmp(word, "search") == 0)
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- rval = resconf_parsesearch(conf, fp);
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- else if (strcmp(word, "sortlist") == 0)
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- rval = resconf_parsesortlist(conf, fp);
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- else if (strcmp(word, "options") == 0)
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- rval = resconf_parseoption(conf, fp);
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- else {
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- /* unrecognised word. Ignore entire line */
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- rval = ISC_R_SUCCESS;
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- stopchar = eatline(fp);
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+ if ((fp = fopen(filename, "r")) != NULL) {
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+ ret = ISC_R_SUCCESS;
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+ do {
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+ stopchar = getword(fp, word, sizeof(word));
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if (stopchar == EOF) {
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+ rval = ISC_R_SUCCESS;
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+ POST(rval);
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break;
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}
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- }
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- if (ret == ISC_R_SUCCESS && rval != ISC_R_SUCCESS)
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- ret = rval;
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- } while (1);
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- fclose(fp);
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+ if (strlen(word) == 0U)
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+ rval = ISC_R_SUCCESS;
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+ else if (strcmp(word, "nameserver") == 0)
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+ rval = resconf_parsenameserver(conf, fp);
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+ else if (strcmp(word, "domain") == 0)
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+ rval = resconf_parsedomain(conf, fp);
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+ else if (strcmp(word, "search") == 0)
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+ rval = resconf_parsesearch(conf, fp);
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+ else if (strcmp(word, "sortlist") == 0)
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+ rval = resconf_parsesortlist(conf, fp);
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+ else if (strcmp(word, "options") == 0)
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+ rval = resconf_parseoption(conf, fp);
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+ else {
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+ /* unrecognised word. Ignore entire line */
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+ rval = ISC_R_SUCCESS;
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+ stopchar = eatline(fp);
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+ if (stopchar == EOF) {
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+ break;
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+ }
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+ }
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+ if (ret == ISC_R_SUCCESS && rval != ISC_R_SUCCESS)
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+ ret = rval;
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+ } while (1);
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+
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+ fclose(fp);
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+ } else {
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+ switch (errno) {
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+ case ENOENT:
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+ break;
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+ default:
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+ isc_mem_put(mctx, conf, sizeof(*conf));
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+ return (ISC_R_INVALIDFILE);
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+ }
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+ }
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/* If we don't find a nameserver fall back to localhost */
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if (conf->numns == 0) {
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--
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1.8.4.2
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@ -30,7 +30,7 @@ Summary: The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) serv
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Name: bind
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License: ISC
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Version: 9.9.5
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Release: 0.2.%{?PATCHVER}%{?PREVER}%{?dist}
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Release: 0.3.%{?PATCHVER}%{?PREVER}%{?dist}
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Epoch: 32
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Url: http://www.isc.org/products/BIND/
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Buildroot:%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
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@ -91,6 +91,7 @@ Patch137:bind99-rrl.patch
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Patch138:bind-9.9.3-include-update-h.patch
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Patch142:bind99-ISC-Bugs-35080.patch
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Patch143:bind-9.9.4-CVE-2014-0591.patch
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Patch144:bind-9.9.5-nonexistence-of-resolv-conf.patch
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# SDB patches
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Patch11: bind-9.3.2b2-sdbsrc.patch
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@ -306,6 +307,7 @@ popd
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%patch138 -p1 -b .update
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%patch142 -p1 -b .rbtdb_crash
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%patch143 -p1 -b .CVE-2014-0591
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%patch144 -p1 -b .resolv-conf
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%if %{SDB}
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%patch101 -p1 -b .old-api
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@ -920,6 +922,9 @@ rm -rf ${RPM_BUILD_ROOT}
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%endif
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%changelog
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* Wed Jan 15 2014 Tomas Hozza <thozza@redhat.com> 32:9.9.5-0.3.b1
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- non-existance of resolv.conf should not be fatal (#1052343)
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* Tue Jan 14 2014 Tomas Hozza <thozza@redhat.com> 32:9.9.5-0.2.b1
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- Fix CVE-2014-0591
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