Holger Hans Peter Freyther | 530ecc0 | 2011-05-31 15:47:44 +0200 | [diff] [blame] | 1 | /* |
| 2 | * osmo-pcap-client code |
| 3 | * |
| 4 | * (C) 2011 by Holger Hans Peter Freyther <zecke@selfish.org> |
| 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_client.h> |
Holger Hans Peter Freyther | 3b9b38c | 2011-05-31 17:42:13 +0200 | [diff] [blame] | 24 | #include <osmo-pcap/common.h> |
| 25 | |
| 26 | #include <osmocom/core/talloc.h> |
| 27 | |
| 28 | #include <stdlib.h> |
| 29 | |
| 30 | |
| 31 | #define PCAP_STRING "PCAP related functions\n" |
| 32 | #define SERVER_STRING "Server string\n" |
| 33 | |
| 34 | static struct cmd_node client_node = { |
| 35 | CLIENT_NODE, |
| 36 | "%s(client)#", |
| 37 | 1, |
| 38 | }; |
| 39 | |
| 40 | DEFUN(cfg_client, |
| 41 | cfg_client_cmd, |
| 42 | "client", |
| 43 | "Enter the client configuration\n") |
| 44 | { |
| 45 | vty->node = CLIENT_NODE; |
| 46 | return CMD_SUCCESS; |
| 47 | } |
| 48 | |
| 49 | static int config_write_client(struct vty *vty) |
| 50 | { |
| 51 | vty_out(vty, "client%s", VTY_NEWLINE); |
Holger Hans Peter Freyther | bac0c98 | 2011-05-31 17:52:08 +0200 | [diff] [blame] | 52 | |
| 53 | if (pcap_client->device) |
| 54 | vty_out(vty, " pcap device %s%s", |
| 55 | pcap_client->device, VTY_NEWLINE); |
| 56 | |
| 57 | if (pcap_client->filter_string) |
| 58 | vty_out(vty, " pcap filter %s%s", |
| 59 | pcap_client->filter_string, VTY_NEWLINE); |
Holger Hans Peter Freyther | 3b9b38c | 2011-05-31 17:42:13 +0200 | [diff] [blame] | 60 | vty_out(vty, " pcap detect-loop %d%s", |
| 61 | pcap_client->filter_itself, VTY_NEWLINE); |
Holger Hans Peter Freyther | b7a834b | 2015-09-10 16:45:45 +0200 | [diff] [blame] | 62 | if (pcap_client->gprs_filtering) |
| 63 | vty_out(vty, " pcap add-filter gprs%s", VTY_NEWLINE); |
Holger Hans Peter Freyther | bac0c98 | 2011-05-31 17:52:08 +0200 | [diff] [blame] | 64 | |
| 65 | if (pcap_client->srv_ip) |
| 66 | vty_out(vty, " server ip %s%s", |
| 67 | pcap_client->srv_ip, VTY_NEWLINE); |
| 68 | |
| 69 | if (pcap_client->srv_port > 0) |
| 70 | vty_out(vty, " server port %d%s", |
| 71 | pcap_client->srv_port, VTY_NEWLINE); |
Holger Hans Peter Freyther | 3b9b38c | 2011-05-31 17:42:13 +0200 | [diff] [blame] | 72 | |
| 73 | return CMD_SUCCESS; |
| 74 | } |
| 75 | |
| 76 | DEFUN(cfg_client_device, |
| 77 | cfg_client_device_cmd, |
| 78 | "pcap device NAME", |
| 79 | PCAP_STRING "the device to filter\n" "device name\n") |
| 80 | { |
| 81 | osmo_client_capture(pcap_client, argv[0]); |
| 82 | return CMD_SUCCESS; |
| 83 | } |
| 84 | |
Holger Hans Peter Freyther | b7a834b | 2015-09-10 16:45:45 +0200 | [diff] [blame] | 85 | DEFUN(cfg_client_add_gprs, |
| 86 | cfg_client_add_gprs_cmd, |
| 87 | "pcap add-filter gprs", |
| 88 | PCAP_STRING "Add-filter\n" "Custom filtering for GPRS\n") |
| 89 | { |
| 90 | pcap_client->gprs_filtering = 1; |
| 91 | return CMD_SUCCESS; |
| 92 | } |
| 93 | |
| 94 | DEFUN(cfg_client_del_gprs, |
| 95 | cfg_client_del_gprs_cmd, |
| 96 | "no pcap add-filter gprs", |
| 97 | NO_STR PCAP_STRING "Add-filter\n" "Custom filter for GPRS\n") |
| 98 | { |
| 99 | pcap_client->gprs_filtering = 0; |
| 100 | return CMD_SUCCESS; |
| 101 | } |
| 102 | |
Holger Hans Peter Freyther | 3b9b38c | 2011-05-31 17:42:13 +0200 | [diff] [blame] | 103 | DEFUN(cfg_client_filter, |
| 104 | cfg_client_filter_cmd, |
Holger Hans Peter Freyther | cd2d3db | 2011-05-31 18:39:33 +0200 | [diff] [blame] | 105 | "pcap filter .NAME", |
Holger Hans Peter Freyther | 3b9b38c | 2011-05-31 17:42:13 +0200 | [diff] [blame] | 106 | PCAP_STRING "filter string in pcap syntax\n" "filter\n") |
| 107 | { |
Holger Hans Peter Freyther | cd2d3db | 2011-05-31 18:39:33 +0200 | [diff] [blame] | 108 | char *filter = argv_concat(argv, argc, 0); |
| 109 | if (!filter) { |
| 110 | vty_out(vty, "Failed to allocate buffer.%s", VTY_NEWLINE); |
Holger Hans Peter Freyther | 3b9b38c | 2011-05-31 17:42:13 +0200 | [diff] [blame] | 111 | return CMD_WARNING; |
| 112 | } |
| 113 | |
Holger Hans Peter Freyther | cd2d3db | 2011-05-31 18:39:33 +0200 | [diff] [blame] | 114 | |
| 115 | if (osmo_client_filter(pcap_client, filter) != 0) { |
| 116 | vty_out(vty, "Failed to set the device.%s", VTY_NEWLINE); |
| 117 | talloc_free(filter); |
| 118 | return CMD_WARNING; |
| 119 | } |
| 120 | |
| 121 | talloc_free(filter); |
Holger Hans Peter Freyther | 3b9b38c | 2011-05-31 17:42:13 +0200 | [diff] [blame] | 122 | return CMD_SUCCESS; |
| 123 | } |
| 124 | |
| 125 | DEFUN(cfg_client_loop, |
| 126 | cfg_client_loop_cmd, |
| 127 | "pcap detect-loop (0|1)", |
| 128 | PCAP_STRING "detect loop and drop\n" "No detection\n" "Detection\n") |
| 129 | { |
| 130 | pcap_client->filter_itself = atoi(argv[0]); |
| 131 | return CMD_SUCCESS; |
| 132 | } |
| 133 | |
| 134 | DEFUN(cfg_server_ip, |
| 135 | cfg_server_ip_cmd, |
| 136 | "server ip A.B.C.D", |
| 137 | SERVER_STRING "IP Address of the server\n" "IP\n") |
| 138 | { |
| 139 | talloc_free(pcap_client->srv_ip); |
| 140 | pcap_client->srv_ip = talloc_strdup(pcap_client, argv[0]); |
| 141 | return CMD_SUCCESS; |
| 142 | } |
| 143 | |
| 144 | DEFUN(cfg_server_port, |
| 145 | cfg_server_port_cmd, |
| 146 | "server port <1-65535>", |
| 147 | SERVER_STRING "Port\n" "Number\n") |
| 148 | { |
| 149 | pcap_client->srv_port = atoi(argv[0]); |
| 150 | return CMD_SUCCESS; |
| 151 | } |
| 152 | |
| 153 | |
| 154 | int vty_client_init(struct osmo_pcap_client *pcap) |
| 155 | { |
| 156 | install_element(CONFIG_NODE, &cfg_client_cmd); |
| 157 | install_node(&client_node, config_write_client); |
| 158 | install_default(CLIENT_NODE); |
| 159 | |
| 160 | install_element(CLIENT_NODE, &cfg_client_device_cmd); |
| 161 | install_element(CLIENT_NODE, &cfg_client_filter_cmd); |
| 162 | install_element(CLIENT_NODE, &cfg_client_loop_cmd); |
| 163 | |
| 164 | install_element(CLIENT_NODE, &cfg_server_ip_cmd); |
| 165 | install_element(CLIENT_NODE, &cfg_server_port_cmd); |
| 166 | |
Holger Hans Peter Freyther | b7a834b | 2015-09-10 16:45:45 +0200 | [diff] [blame] | 167 | install_element(CLIENT_NODE, &cfg_client_add_gprs_cmd); |
| 168 | install_element(CLIENT_NODE, &cfg_client_del_gprs_cmd); |
| 169 | |
Holger Hans Peter Freyther | 3b9b38c | 2011-05-31 17:42:13 +0200 | [diff] [blame] | 170 | return 0; |
| 171 | } |