diff options
Diffstat (limited to 'modules/m_dns.cpp')
| -rw-r--r-- | modules/m_dns.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/modules/m_dns.cpp b/modules/m_dns.cpp index 9b0157069..ea64da92f 100644 --- a/modules/m_dns.cpp +++ b/modules/m_dns.cpp @@ -151,6 +151,8 @@ class Packet : public Query sockaddrs addrs; addrs.ntop(AF_INET, &a); + if (!addrs.valid()) + throw SocketException("Invalid IP"); record.rdata = addrs.addr(); break; @@ -167,6 +169,8 @@ class Packet : public Query sockaddrs addrs; addrs.ntop(AF_INET6, &a); + if (!addrs.valid()) + throw SocketException("Invalid IP"); record.rdata = addrs.addr(); break; @@ -272,6 +276,8 @@ class Packet : public Query if (q.type == QUERY_PTR) { sockaddrs ip(q.name); + if (!ip.valid()) + throw SocketException("Invalid IP"); if (q.name.find(':') != Anope::string::npos) { @@ -347,6 +353,8 @@ class Packet : public Query throw SocketException("Unable to pack packet"); sockaddrs a(rr.rdata); + if (!a.valid()) + throw SocketException("Invalid IP"); s = htons(4); memcpy(&output[pos], &s, 2); @@ -362,6 +370,8 @@ class Packet : public Query throw SocketException("Unable to pack packet"); sockaddrs a(rr.rdata); + if (!a.valid()) + throw SocketException("Invalid IP"); s = htons(16); memcpy(&output[pos], &s, 2); |