| /* |
| * osmo-pcap-server code |
| * |
| * (C) 2011-2016 by Holger Hans Peter Freyther <holger@moiji-mobile.com> |
| * (C) 2011 by On-Waves |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #ifndef OSMO_PCAP_SERVER_H |
| #define OSMO_PCAP_SERVER_H |
| |
| #include "wireformat.h" |
| #include "osmo_tls.h" |
| |
| #include <osmocom/core/select.h> |
| #include <osmocom/core/linuxlist.h> |
| #include <osmocom/core/write_queue.h> |
| |
| #include <sys/socket.h> |
| #include <netinet/in.h> |
| #include <arpa/inet.h> |
| |
| #include <pcap.h> |
| |
| #include <stdbool.h> |
| #include <time.h> |
| |
| struct rate_ctr_group; |
| struct rate_ctr_group_desc; |
| |
| struct osmo_pcap_server; |
| |
| |
| #define STATE_INITIAL 0 |
| #define STATE_DATA 1 |
| |
| enum { |
| PEER_CTR_CONNECT, |
| PEER_CTR_BYTES, |
| PEER_CTR_PKTS, |
| PEER_CTR_PROTATE, |
| }; |
| |
| enum { |
| SERVER_CTR_CONNECT, |
| SERVER_CTR_BYTES, |
| SERVER_CTR_PKTS, |
| SERVER_CTR_PROTATE, |
| SERVER_CTR_NOCLIENT, |
| }; |
| |
| struct osmo_pcap_conn { |
| /* list of connections */ |
| struct llist_head entry; |
| struct osmo_pcap_server *server; |
| |
| /* name */ |
| char *name; |
| char *remote_host; |
| int no_store; |
| struct in_addr remote_addr; |
| |
| /* Remote connection */ |
| struct osmo_wqueue rem_wq; |
| int local_fd; |
| char *curr_filename; |
| |
| /* pcap stuff */ |
| struct pcap_file_header file_hdr; |
| |
| /* last time */ |
| struct tm last_write; |
| |
| /* read buffering */ |
| int state; |
| int pend; |
| int reopen; |
| struct osmo_pcap_data *data; |
| |
| /* statistics */ |
| struct rate_ctr_group *ctrg; |
| |
| /* tls */ |
| bool tls_use; |
| bool direct_read; |
| size_t tls_limit_read; |
| struct osmo_tls_session tls_session; |
| }; |
| |
| struct osmo_pcap_server { |
| struct llist_head conn; |
| |
| int port; |
| char *addr; |
| struct osmo_fd listen_fd; |
| |
| /* zeromq handling */ |
| int zmq_port; |
| char *zmq_ip; |
| void *zmq_ctx; |
| void *zmq_publ; |
| |
| /* tls base */ |
| bool tls_on; |
| bool tls_allow_anon; |
| bool tls_allow_x509; |
| unsigned tls_log_level; |
| char *tls_priority; |
| char *tls_capath; |
| char *tls_crlfile; |
| char *tls_server_cert; |
| char *tls_server_key; |
| char *tls_dh_pkcs3; |
| gnutls_dh_params_t dh_params; |
| bool dh_params_allocated; |
| |
| char *base_path; |
| off_t max_size; |
| int max_snaplen; |
| |
| /* statistics */ |
| struct rate_ctr_group *ctrg; |
| }; |
| |
| extern struct osmo_pcap_server *pcap_server; |
| extern const struct rate_ctr_group_desc pcap_peer_group_desc; |
| |
| void osmo_pcap_server_reopen(struct osmo_pcap_server *server); |
| int osmo_pcap_server_listen(struct osmo_pcap_server *server); |
| struct osmo_pcap_conn *osmo_pcap_server_find(struct osmo_pcap_server *ser, |
| const char *name); |
| void osmo_pcap_server_delete(struct osmo_pcap_conn *conn); |
| void vty_server_init(struct osmo_pcap_server *server); |
| void osmo_pcap_server_close_trace(struct osmo_pcap_conn *conn); |
| void osmo_pcap_server_close_conn(struct osmo_pcap_conn *conn); |
| |
| #endif |