diff options
Diffstat (limited to 'src/sockets.cpp')
| -rw-r--r-- | src/sockets.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/sockets.cpp b/src/sockets.cpp index 7dffd743b..e2a55810e 100644 --- a/src/sockets.cpp +++ b/src/sockets.cpp @@ -95,6 +95,41 @@ Anope::string sockaddrs::addr() const return ""; } +Anope::string sockaddrs::reverse() const +{ + char address[128]; + + switch (sa.sa_family) + { + case AF_INET6: + { + static const char hex[] = "0123456789abcdef"; + unsigned reverse_ip_count = 0; + for (int j = 15; j >= 0; --j) + { + address[reverse_ip_count++] = hex[sa6.sin6_addr.s6_addr[j] & 0xF]; + address[reverse_ip_count++] = '.'; + address[reverse_ip_count++] = hex[sa6.sin6_addr.s6_addr[j] >> 4]; + address[reverse_ip_count++] = '.'; + } + /* Remove the last '.' */ + address[reverse_ip_count - 1] = 0; + return address; + } + case AF_INET: + { + unsigned long forward = sa4.sin_addr.s_addr; + in_addr rev; + rev.s_addr = forward << 24 | (forward & 0xFF00) << 8 | (forward & 0xFF0000) >> 8 | forward >> 24; + if (inet_ntop(AF_INET, &rev, address, sizeof(address))) + return address; + break; + } + } + + return ""; +} + bool sockaddrs::ipv6() const { return sa.sa_family == AF_INET6; |