diff options
Diffstat (limited to 'main2.c')
| -rw-r--r-- | main2.c | 50 |
1 files changed, 49 insertions, 1 deletions
@@ -202,6 +202,16 @@ struct next_req_ipv6 { uint16_t port; }; +struct next_req_domain { + u_int8_t version; + u_int8_t cmd; + u_int8_t reserved; + u_int8_t atyp; + u_int8_t *dest; + uint16_t port; + u_int8_t *_printable_dest; +}; + struct socks5_session { int is_auth; }; @@ -227,6 +237,39 @@ static void review_config(struct runtime_opts *r_opts) printf("socks5 server listen at %u\n", r_opts->listenport); } +static void parse_domain_socks5_req(char* buf, struct next_req_domain *next_req_domain) +{ + u_int8_t domain_length = 0; + + next_req_domain->version = buf[0]; + next_req_domain->cmd = buf[1]; + next_req_domain->reserved = 0; + next_req_domain->atyp = buf[3]; + + domain_length = buf[4]; + + next_req_domain->dest = (u_int8_t*)malloc(domain_length); + next_req_domain->_printable_dest = (u_int8_t*)malloc(domain_length + 1); + + int i = 0; + for(; i < domain_length; i++) { + next_req_domain->dest[i] = buf[5 + i]; + next_req_domain->_printable_dest[i] = buf[5 + i]; + } + next_req_domain->_printable_dest[i] = '\0'; + + next_req_domain->port = ((uint16_t)buf[4 + domain_length + 2] << 8) | buf[4 + domain_length + 1]; + + // next_req_domain->port = buf[domain_length + 2]; + +} + +static void free_domain_socks5_req(struct next_req_domain *next_req_domain) +{ + free(next_req_domain->_printable_dest); + free(next_req_domain->dest); +} + static void r_opts_clean(struct runtime_opts *r_opts) { free(r_opts->addr); @@ -1257,8 +1300,13 @@ static int start_unpack_packet_no_epl(int fd, void* reserved, struct socks5_sess socks5_send_connstate(fd, 3, next_req->atyp, next_req->dest, next_req->port); } + } else if (buf[3] == 3) { + struct next_req_domain next_req; + parse_domain_socks5_req(buf, &next_req); - + log_debug("SOCKS_REQ ver: %c; CMD: %s; type: %s; domain: %s:%d", buf[0], + cmd2str(next_req.cmd), ip2str(next_req.atyp), next_req._printable_dest, + ntohs(next_req.port)); } } }while (ret != 0); |