| 203 | } |
| 204 | |
| 205 | int IOChannel::FakeClientIPInAuthBuf(char * buf, size_t buf_len) { |
| 206 | if (buf_len < 36) { |
| 207 | LOG_ERR("buf len less than 36"); |
| 208 | return -__LINE__; |
| 209 | } |
| 210 | char * reserverd_begin = buf + 14; |
| 211 | char ip_buf[INET6_ADDRSTRLEN] = { 0 }; |
| 212 | |
| 213 | uint32_t ip = 0; |
| 214 | memcpy(&ip, reserverd_begin, sizeof(uint32_t)); |
| 215 | if (ip) { |
| 216 | if (inet_ntop(AF_INET, reserverd_begin, ip_buf, INET6_ADDRSTRLEN) != NULL) { |
| 217 | if (!group_status_cache_->IsMember(client_ip_)) { |
| 218 | LOG_ERR("receive fake ip package from [%s], fake ip [%s]", client_ip_.c_str(), ip_buf); |
| 219 | return -__LINE__; |
| 220 | } |
| 221 | } else |
| 222 | return -__LINE__; |
| 223 | } else { |
| 224 | int ret = inet_pton(AF_INET, client_ip_.c_str(), reserverd_begin); |
| 225 | if (ret <= 0) { |
| 226 | LOG_ERR("ret %d errno (%d:%s)", ret, errno, strerror(errno)); |
| 227 | return -__LINE__; |
| 228 | } |
| 229 | } |
| 230 | return 0; |
| 231 | } |
| 232 | |
| 233 | void IOChannel::GetDBNameFromAuthBuf(const char * buf, int buf_size) { |
| 234 | if (buf_size < 36) { |