Holger Hans Peter Freyther | 13619dd | 2011-05-31 22:09:08 +0200 | [diff] [blame] | 1 | /* |
| 2 | * osmo-pcap-server code |
| 3 | * |
Holger Hans Peter Freyther | 2899428 | 2016-08-04 16:14:38 +0200 | [diff] [blame] | 4 | * (C) 2011-2016 by Holger Hans Peter Freyther <zecke@selfish.org> |
Holger Hans Peter Freyther | 13619dd | 2011-05-31 22:09:08 +0200 | [diff] [blame] | 5 | * (C) 2011 by On-Waves |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU Affero General Public License as published by |
| 10 | * the Free Software Foundation; either version 3 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU Affero General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Affero General Public License |
| 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #include <osmo-pcap/osmo_pcap_server.h> |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 24 | #include <osmo-pcap/common.h> |
Holger Hans Peter Freyther | 13619dd | 2011-05-31 22:09:08 +0200 | [diff] [blame] | 25 | |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 26 | #include <osmocom/core/talloc.h> |
| 27 | |
Holger Hans Peter Freyther | ad29ce6 | 2016-08-04 18:02:57 +0200 | [diff] [blame] | 28 | #include <zmq.h> |
| 29 | |
Holger Hans Peter Freyther | 2899428 | 2016-08-04 16:14:38 +0200 | [diff] [blame] | 30 | #include <unistd.h> |
Holger Hans Peter Freyther | ad29ce6 | 2016-08-04 18:02:57 +0200 | [diff] [blame] | 31 | #include <errno.h> |
| 32 | #include <string.h> |
Holger Hans Peter Freyther | 2899428 | 2016-08-04 16:14:38 +0200 | [diff] [blame] | 33 | |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 34 | |
| 35 | #define SERVER_STR "Server settings\n" |
| 36 | #define CLIENT_STR "Client\n" |
| 37 | |
| 38 | static struct cmd_node server_node = { |
| 39 | SERVER_NODE, |
| 40 | "%s(server)#", |
| 41 | 1, |
| 42 | }; |
| 43 | |
| 44 | static int config_write_server(struct vty *vty) |
| 45 | { |
| 46 | struct osmo_pcap_conn *conn; |
| 47 | |
| 48 | vty_out(vty, "server%s", VTY_NEWLINE); |
| 49 | |
| 50 | if (pcap_server->base_path) |
| 51 | vty_out(vty, " base-path %s%s", pcap_server->base_path, VTY_NEWLINE); |
| 52 | if (pcap_server->addr) |
| 53 | vty_out(vty, " server ip %s%s", pcap_server->addr, VTY_NEWLINE); |
| 54 | if (pcap_server->port > 0) |
Holger Hans Peter Freyther | afcc2ae | 2011-06-01 16:33:55 +0200 | [diff] [blame] | 55 | vty_out(vty, " server port %d%s", pcap_server->port, VTY_NEWLINE); |
Holger Hans Peter Freyther | dea9e8b | 2011-06-10 15:23:04 +0200 | [diff] [blame] | 56 | vty_out(vty, " max-file-size %llu%s", |
| 57 | (unsigned long long) pcap_server->max_size, VTY_NEWLINE); |
Holger Hans Peter Freyther | ad29ce6 | 2016-08-04 18:02:57 +0200 | [diff] [blame] | 58 | if (pcap_server->zmq_port > 0) |
| 59 | vty_out(vty, " zeromq-publisher %s %d%s", |
| 60 | pcap_server->zmq_ip, pcap_server->zmq_port, VTY_NEWLINE); |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 61 | |
| 62 | llist_for_each_entry(conn, &pcap_server->conn, entry) { |
Holger Hans Peter Freyther | 2899428 | 2016-08-04 16:14:38 +0200 | [diff] [blame] | 63 | vty_out(vty, " client %s %s%s%s", |
| 64 | conn->name, conn->remote_host, |
| 65 | conn->no_store ? " no-store" : "", |
| 66 | VTY_NEWLINE); |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | return CMD_SUCCESS; |
| 70 | } |
| 71 | |
| 72 | DEFUN(cfg_server, |
| 73 | cfg_server_cmd, |
| 74 | "server", |
| 75 | "Enter the server configuration\n") |
| 76 | { |
| 77 | vty->node = SERVER_NODE; |
| 78 | return CMD_SUCCESS; |
| 79 | } |
| 80 | |
| 81 | DEFUN(cfg_server_base, |
| 82 | cfg_server_base_cmd, |
| 83 | "base-path PATH", |
| 84 | "Base path for log files\n" "Path\n") |
| 85 | { |
| 86 | talloc_free(pcap_server->base_path); |
| 87 | pcap_server->base_path = talloc_strdup(pcap_server, argv[0]); |
| 88 | return CMD_SUCCESS; |
| 89 | } |
| 90 | |
| 91 | DEFUN(cfg_server_ip, |
| 92 | cfg_server_ip_cmd, |
| 93 | "server ip A.B.C.D", |
| 94 | SERVER_STR "Listen\n" "IP Address\n") |
| 95 | { |
| 96 | talloc_free(pcap_server->addr); |
| 97 | pcap_server->addr = talloc_strdup(pcap_server, argv[0]); |
| 98 | return CMD_SUCCESS; |
| 99 | } |
| 100 | |
| 101 | DEFUN(cfg_server_port, |
| 102 | cfg_server_port_cmd, |
| 103 | "server port <1-65535>", |
| 104 | SERVER_STR "Port\n" "Port Number\n") |
| 105 | { |
| 106 | pcap_server->port = atoi(argv[0]); |
| 107 | return CMD_SUCCESS; |
| 108 | } |
| 109 | |
Holger Hans Peter Freyther | dea9e8b | 2011-06-10 15:23:04 +0200 | [diff] [blame] | 110 | DEFUN(cfg_server_max_size, |
| 111 | cfg_server_max_size_cmd, |
| 112 | "max-file-size NR", |
| 113 | "Maximum file size for a trace\n" "Filesize in bytes\n") |
| 114 | { |
| 115 | pcap_server->max_size = strtoull(argv[0], NULL, 10); |
| 116 | return CMD_SUCCESS; |
| 117 | } |
| 118 | |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 119 | DEFUN(cfg_server_client, |
| 120 | cfg_server_client_cmd, |
Holger Hans Peter Freyther | 2899428 | 2016-08-04 16:14:38 +0200 | [diff] [blame] | 121 | "client NAME A.B.C.D [no-store]", |
| 122 | CLIENT_STR "Remote name used in filenames\n" "IP of the remote\n" "Do not store traffic\n") |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 123 | { |
| 124 | struct osmo_pcap_conn *conn; |
| 125 | conn = osmo_pcap_server_find(pcap_server, argv[0]); |
| 126 | if (!conn) { |
| 127 | vty_out(vty, "Failed to create a pcap server.\n"); |
| 128 | return CMD_WARNING; |
| 129 | } |
| 130 | |
| 131 | talloc_free(conn->remote_host); |
Holger Hans Peter Freyther | 80b8b60 | 2011-05-31 23:42:20 +0200 | [diff] [blame] | 132 | conn->remote_host = talloc_strdup(pcap_server, argv[1]); |
| 133 | inet_aton(argv[1], &conn->remote_addr); |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 134 | |
Holger Hans Peter Freyther | 2899428 | 2016-08-04 16:14:38 +0200 | [diff] [blame] | 135 | /* Checking no-store and maybe closing a pcap file */ |
| 136 | if (argc >= 3) { |
Holger Hans Peter Freyther | e024869 | 2016-08-05 15:47:08 +0200 | [diff] [blame^] | 137 | osmo_pcap_server_close_trace(conn); |
Holger Hans Peter Freyther | 2899428 | 2016-08-04 16:14:38 +0200 | [diff] [blame] | 138 | conn->no_store = 1; |
| 139 | } else |
| 140 | conn->no_store = 0; |
| 141 | |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 142 | return CMD_SUCCESS; |
| 143 | } |
| 144 | |
| 145 | DEFUN(cfg_server_no_client, |
| 146 | cfg_server_no_client_cmd, |
| 147 | "no client NAME", |
| 148 | NO_STR CLIENT_STR "The name\n") |
| 149 | { |
| 150 | struct osmo_pcap_conn *conn; |
| 151 | conn = osmo_pcap_server_find(pcap_server, argv[0]); |
| 152 | if (!conn) { |
| 153 | vty_out(vty, "Failed to create a pcap server.\n"); |
| 154 | return CMD_WARNING; |
| 155 | } |
| 156 | |
| 157 | osmo_pcap_server_delete(conn); |
| 158 | return CMD_SUCCESS; |
| 159 | } |
Holger Hans Peter Freyther | 13619dd | 2011-05-31 22:09:08 +0200 | [diff] [blame] | 160 | |
Holger Hans Peter Freyther | ad29ce6 | 2016-08-04 18:02:57 +0200 | [diff] [blame] | 161 | void destroy_zmq(struct vty *vty) |
| 162 | { |
| 163 | if (pcap_server->zmq_publ) { |
| 164 | int rc = zmq_close(pcap_server->zmq_publ); |
| 165 | pcap_server->zmq_publ = NULL; |
| 166 | if (rc != 0) |
| 167 | vty_out(vty, "%%Failed to close publisher rc=%d errno=%d/%s%s", |
| 168 | rc, errno, strerror(errno), VTY_NEWLINE); |
| 169 | } |
| 170 | if (pcap_server->zmq_ctx) { |
| 171 | int rc = zmq_ctx_destroy(pcap_server->zmq_ctx); |
| 172 | pcap_server->zmq_ctx = NULL; |
| 173 | if (rc != 0) |
| 174 | vty_out(vty, "%%Failed to destroy ctx rc=%d errno=%d/%s%s", |
| 175 | rc, errno, strerror(errno), VTY_NEWLINE); |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | DEFUN(cfg_server_zmq_ip_port, |
| 180 | cfg_server_zmq_ip_port_cmd, |
| 181 | "zeromq-publisher (A.B.C.D|*) <1-65535>", |
| 182 | "Enable publishing data to ZeroMQ\n" |
| 183 | "Bind to IPv4 address\n" "Bind to wildcard\n" |
| 184 | "Bind to port\n") |
| 185 | { |
| 186 | int linger, rc; |
| 187 | char *bind_str; |
| 188 | |
| 189 | destroy_zmq(vty); |
| 190 | talloc_free(pcap_server->zmq_ip); |
| 191 | pcap_server->zmq_ip = talloc_strdup(pcap_server, argv[0]); |
| 192 | if (!pcap_server->zmq_ip) { |
| 193 | vty_out(vty, "%%Failed to allocate ip string%s", VTY_NEWLINE); |
| 194 | return CMD_WARNING; |
| 195 | } |
| 196 | pcap_server->zmq_port = atoi(argv[1]); |
| 197 | |
| 198 | pcap_server->zmq_ctx = zmq_ctx_new(); |
| 199 | if (!pcap_server->zmq_ctx) { |
| 200 | vty_out(vty, "%%Failed to create zmq ctx%s", VTY_NEWLINE); |
| 201 | return CMD_WARNING; |
| 202 | } |
| 203 | pcap_server->zmq_publ = zmq_socket(pcap_server->zmq_ctx, ZMQ_PUB); |
| 204 | if (!pcap_server->zmq_publ) { |
| 205 | vty_out(vty, "%%Failed to create zmq publisher%s", VTY_NEWLINE); |
| 206 | destroy_zmq(vty); |
| 207 | return CMD_WARNING; |
| 208 | } |
| 209 | |
| 210 | linger = 0; |
| 211 | rc = zmq_setsockopt(pcap_server->zmq_publ, ZMQ_LINGER, &linger, sizeof(linger)); |
| 212 | if (rc != 0) { |
| 213 | vty_out(vty, "%%Failed to set linger option rc=%d errno=%d/%s%s", |
| 214 | rc, errno, strerror(errno), VTY_NEWLINE); |
| 215 | destroy_zmq(vty); |
| 216 | return CMD_WARNING; |
| 217 | } |
| 218 | |
| 219 | bind_str = talloc_asprintf(pcap_server->zmq_ip, "tcp://%s:%d", |
| 220 | pcap_server->zmq_ip, pcap_server->zmq_port); |
| 221 | rc = zmq_bind(pcap_server->zmq_publ, bind_str); |
| 222 | if (rc != 0) { |
| 223 | vty_out(vty, "%%Failed to bind zmq publ rc=%d errno=%d/%s%s", |
| 224 | rc, errno, strerror(errno), VTY_NEWLINE); |
| 225 | destroy_zmq(vty); |
| 226 | talloc_free(bind_str); |
| 227 | return CMD_WARNING; |
| 228 | } |
| 229 | return CMD_SUCCESS; |
| 230 | } |
| 231 | |
| 232 | DEFUN(cfg_no_server_zmq_ip_port, |
| 233 | cfg_no_server_zmq_ip_port_cmd, |
| 234 | "no zeromq-publisher", |
| 235 | NO_STR "Disable zeromq-publishing\n") |
| 236 | { |
| 237 | destroy_zmq(vty); |
| 238 | talloc_free(pcap_server->zmq_ip); |
| 239 | pcap_server->zmq_ip = NULL; |
| 240 | pcap_server->zmq_port = 0; |
| 241 | return CMD_SUCCESS; |
| 242 | } |
| 243 | |
Holger Hans Peter Freyther | 13619dd | 2011-05-31 22:09:08 +0200 | [diff] [blame] | 244 | void vty_server_init(struct osmo_pcap_server *server) |
| 245 | { |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 246 | install_element(CONFIG_NODE, &cfg_server_cmd); |
| 247 | install_node(&server_node, config_write_server); |
| 248 | install_default(SERVER_NODE); |
| 249 | |
| 250 | install_element(SERVER_NODE, &cfg_server_base_cmd); |
| 251 | install_element(SERVER_NODE, &cfg_server_ip_cmd); |
| 252 | install_element(SERVER_NODE, &cfg_server_port_cmd); |
Holger Hans Peter Freyther | dea9e8b | 2011-06-10 15:23:04 +0200 | [diff] [blame] | 253 | install_element(SERVER_NODE, &cfg_server_max_size_cmd); |
Holger Hans Peter Freyther | ad29ce6 | 2016-08-04 18:02:57 +0200 | [diff] [blame] | 254 | install_element(SERVER_NODE, &cfg_server_zmq_ip_port_cmd); |
| 255 | install_element(SERVER_NODE, &cfg_no_server_zmq_ip_port_cmd); |
Holger Hans Peter Freyther | 9f6127f | 2011-05-31 22:52:41 +0200 | [diff] [blame] | 256 | |
| 257 | install_element(SERVER_NODE, &cfg_server_client_cmd); |
| 258 | install_element(SERVER_NODE, &cfg_server_no_client_cmd); |
Holger Hans Peter Freyther | 13619dd | 2011-05-31 22:09:08 +0200 | [diff] [blame] | 259 | } |