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Ensure resolveall only affects hostname-derived NetBlocks

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This commit is contained in:
dmiller
2017-08-07 19:46:27 +00:00
parent 995988ea8c
commit 6c62fb6a74
1 changed files with 5 additions and 2 deletions
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7
TargetGroup.cc
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@@ -160,6 +160,9 @@ extern NmapOps o;
class NetBlock {
public:
virtual ~NetBlock() {}
NetBlock() : resolveall(false) {
current_addr = resolvedaddrs.begin();
}
std::string hostname;
std::list<struct sockaddr_storage> resolvedaddrs;
std::list<struct sockaddr_storage> unscanned_addrs;
@@ -473,7 +476,7 @@ bool NetBlockIPv4Ranges::next(struct sockaddr_storage *ss, size_t *sslen) {
break;
}
if (i >= 4) {
if (this->resolveall && current_addr != this->resolvedaddrs.end() && ++current_addr != this->resolvedaddrs.end()) {
if (this->resolveall && !this->resolvedaddrs.empty() && current_addr != this->resolvedaddrs.end() && ++current_addr != this->resolvedaddrs.end()) {
this->set_addr((struct sockaddr_in *) &*current_addr);
}
else {
@@ -634,7 +637,7 @@ bool NetBlockIPv6Netmask::next(struct sockaddr_storage *ss, size_t *sslen) {
struct sockaddr_in6 *sin6;
if (this->exhausted){
if (this->resolveall && current_addr != this->resolvedaddrs.end() && ++current_addr != this->resolvedaddrs.end()) {
if (this->resolveall && !this->resolvedaddrs.empty() && current_addr != this->resolvedaddrs.end() && ++current_addr != this->resolvedaddrs.end()) {
this->set_addr((struct sockaddr_in6 *) &*current_addr);
}
else {