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authorThomas Winget <tewinget@gmail.com>2014-09-24 19:55:19 -0400
committerThomas Winget <tewinget@gmail.com>2014-09-24 20:05:34 -0400
commit738357459b355862d35005ab7165b317cc37586d (patch)
tree9fae45e3eea0797034b81d9501f246145f0d1b56 /src/common
parentAdded ability to read chechpoint hashes from json file in data folder (diff)
downloadmonero-738357459b355862d35005ab7165b317cc37586d.tar.xz
libunbound has const correctness issues...
Diffstat (limited to 'src/common')
-rw-r--r--src/common/dns_utils.cpp24
1 files changed, 19 insertions, 5 deletions
diff --git a/src/common/dns_utils.cpp b/src/common/dns_utils.cpp
index ab41ea60e..e1151e190 100644
--- a/src/common/dns_utils.cpp
+++ b/src/common/dns_utils.cpp
@@ -27,6 +27,7 @@
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "common/dns_utils.h"
+#include <cstring>
#include <sstream>
#include <ldns/rr.h> // for RR type and class defs
#include <unbound.h>
@@ -99,9 +100,11 @@ DNSResolver::DNSResolver() : m_data(new DNSResolverData())
// init libunbound context
m_data->m_ub_context = ub_ctx_create();
+ char empty_string = '\0';
+
// look for "/etc/resolv.conf" and "/etc/hosts" or platform equivalent
- ub_ctx_resolvconf(m_data->m_ub_context, "");
- ub_ctx_hosts(m_data->m_ub_context, "");
+ ub_ctx_resolvconf(m_data->m_ub_context, &empty_string);
+ ub_ctx_hosts(m_data->m_ub_context, &empty_string);
}
DNSResolver::~DNSResolver()
@@ -119,7 +122,10 @@ DNSResolver::~DNSResolver()
std::vector<std::string> DNSResolver::get_ipv4(const std::string& url)
{
std::vector<std::string> addresses;
+ char urlC[1000]; // waaaay too big, but just in case...
+ strncpy(urlC, url.c_str(), 999);
+ urlC[999] = '\0';
if (!check_address_syntax(url))
{
return addresses;
@@ -129,7 +135,7 @@ std::vector<std::string> DNSResolver::get_ipv4(const std::string& url)
ub_result_ptr result;
// call DNS resolver, blocking. if return value not zero, something went wrong
- if (!ub_resolve(m_data->m_ub_context, url.c_str(), LDNS_RR_TYPE_A, LDNS_RR_CLASS_IN, &(result.ptr)))
+ if (!ub_resolve(m_data->m_ub_context, urlC, LDNS_RR_TYPE_A, LDNS_RR_CLASS_IN, &(result.ptr)))
{
if (result.ptr->havedata)
{
@@ -146,6 +152,10 @@ std::vector<std::string> DNSResolver::get_ipv4(const std::string& url)
std::vector<std::string> DNSResolver::get_ipv6(const std::string& url)
{
std::vector<std::string> addresses;
+ char urlC[1000]; // waaaay too big, but just in case...
+
+ strncpy(urlC, url.c_str(), 999);
+ urlC[999] = '\0';
if (!check_address_syntax(url))
{
@@ -155,7 +165,7 @@ std::vector<std::string> DNSResolver::get_ipv6(const std::string& url)
ub_result_ptr result;
// call DNS resolver, blocking. if return value not zero, something went wrong
- if (!ub_resolve(m_data->m_ub_context, url.c_str(), LDNS_RR_TYPE_AAAA, LDNS_RR_CLASS_IN, &(result.ptr)))
+ if (!ub_resolve(m_data->m_ub_context, urlC, LDNS_RR_TYPE_AAAA, LDNS_RR_CLASS_IN, &(result.ptr)))
{
if (result.ptr->havedata)
{
@@ -172,6 +182,10 @@ std::vector<std::string> DNSResolver::get_ipv6(const std::string& url)
std::vector<std::string> DNSResolver::get_txt_record(const std::string& url)
{
std::vector<std::string> records;
+ char urlC[1000]; // waaaay too big, but just in case...
+
+ strncpy(urlC, url.c_str(), 999);
+ urlC[999] = '\0';
if (!check_address_syntax(url))
{
@@ -181,7 +195,7 @@ std::vector<std::string> DNSResolver::get_txt_record(const std::string& url)
ub_result_ptr result;
// call DNS resolver, blocking. if return value not zero, something went wrong
- if (!ub_resolve(m_data->m_ub_context, url.c_str(), LDNS_RR_TYPE_TXT, LDNS_RR_CLASS_IN, &(result.ptr)))
+ if (!ub_resolve(m_data->m_ub_context, urlC, LDNS_RR_TYPE_TXT, LDNS_RR_CLASS_IN, &(result.ptr)))
{
if (result.ptr->havedata)
{