staging/cli.c

   1 /*
   2  * Mausezahn - A fast versatile traffic generator
   3  * Copyright (C) 2008-2010 Herbert Haas
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License version 2 as published by the
   7  * Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
  12  * details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, see http://www.gnu.org/licenses/gpl-2.0.html
  16  *
  17 */
  18
  19
  20
  21 #include "mz.h"
  22 #include "cli.h"
  23 #include "mops.h"
  24 #include "llist.h"
  25
  26 void mz_cli_init(void)
  27 {
  28         amp_head = automops_init();
  29
  30         // Initialize default credentials (will be overwritten by mausezahn.conf)
  31         strcpy(mz_username, MZ_DEFAULT_USERNAME);
  32         strcpy(mz_password, MZ_DEFAULT_PASSWORD);
  33         strcpy(mz_enable, MZ_DEFAULT_ENABLE_PASSWORD);
  34
  35         // read login credentials from config file
  36         if (cli_read_cfg("mausezahn.conf")) {
  37                 fprintf(stderr, "mz: Problems opening config file. Will use defaults\n");
  38         }
  39
  40         if ((verbose) && (AUTOMOPS_ENABLED)) {
  41                 automops_dump_all(amp_head);
  42                 fprintf(stderr, "------------ MOPS/CLI initialization completed ------------\n");
  43         }
  44 }
  45
  46
  47
  48
  49 // Read in configuration file
  50 int cli_read_cfg(char *str)
  51 {
  52         char filename[256];
  53         char line[256];
  54         char path[256];
  55         char *ampfile;
  56         char dev[256];
  57         FILE *fd;
  58         int i, j=0, len, found=0, nonspc=0;
  59         int user=0, pass=0, ena=0, amp=0, mgmt_only=0, cli=0, port=0, addr=0;
  60
  61         strncpy(filename, str, 255);
  62
  63         if (getfullpath_cfg(filename)) return 1;
  64
  65         if (verbose) {
  66                 fprintf(stderr, "Opening config file %s...\n", filename);
  67         }
  68
  69         fd = fopen (filename, "r");
  70         if (fd==NULL) return 1;
  71
  72         while (fgets(line, 255, fd) != NULL) {
  73                 len=strnlen(line, 255);
  74                 // Take string left side of # (comments)
  75                 if (len) for(i=0;i<len;i++) if (line[i]=='#') line[i]='\0'; // cut off
  76                 len=strnlen(line, 255);
  77                 if (len) for(i=0;i<len;i++) if (!isspace(line[i])) nonspc++;
  78                 if (nonspc==0) continue; else nonspc=0;
  79                 if (!user) user = sscanf(line, " user = %s ", mz_username);
  80                 if (!pass) pass = sscanf(line, " password = %s ", mz_password);
  81                 if (!ena)  ena  = sscanf(line, " enable = %s ", mz_enable);
  82                 if (!port) port = sscanf(line, " port = %i ", &mz_port);
  83                 if (!addr) addr = sscanf(line, " listen-addr = %s ", mz_listen_addr);
  84                 if (!cli)  cli  = sscanf(line, " cli-device = %s ", dev);
  85                 if (cli==1) {
  86                         for (i=0; i<device_list_entries; i++) {
  87                                 if (strncmp(device_list[i].dev, dev, 16)==0) {
  88                                         device_list[i].cli=1;
  89                                         found=1;
  90                                         break;
  91                                 }
  92                         }
  93                         if (!found) {
  94                                 fprintf(stderr, " Warning: [%s] cli device '%s' does not exist!\n", filename, dev);
  95                                 cli=0; // try again
  96                         }
  97                         found=0;
  98                         cli=0;
  99                 }
 100
 101                 if (!mgmt_only) mgmt_only  = sscanf(line, " management-only  = %s ", dev);
 102                 if (mgmt_only==1) {
 103                         for (i=0; i<device_list_entries; i++) {
 104                                 if (strncmp(device_list[i].dev, dev, 16)==0) {
 105                                         device_list[i].mgmt_only=1;
 106                                         found=1;
 107                                         break;
 108                                 }
 109                         }
 110                         if (!found) fprintf(stderr, " Warning: [%s] management device '%s' does not exist!\n", filename, dev);
 111                         mgmt_only=0;
 112                         found=0;
 113                 }
 114
 115                 if (AUTOMOPS_ENABLED) {
 116                         // read-in all protocol definitions
 117                         amp = sscanf(line, " automops = %s ", path);
 118                         if (amp) {
 119                                 ampfile = mapfile(path);
 120                                 if (ampfile==NULL) fprintf(stderr, " Warning: Cannot read %s\n", path);
 121                                 else {
 122                                         j = 0;
 123                                         j = parse_protocol (ampfile);
 124                                         if (j) {
 125                                                 if (verbose) {
 126                                                         fprintf(stderr, "  Warning: invalid protocol definitions in %s\n", path);
 127                                                 }
 128                                         }
 129                                         free(ampfile);
 130                                         amp=0;
 131                                 }
 132                         }
 133                 }
 134         }
 135         fclose(fd);
 136
 137         if (verbose) {
 138                 if (user!=1)
 139                         fprintf(stderr, "%s: No user name specified - will use default.\n", filename);
 140
 141                 if (pass!=1)
 142                         fprintf(stderr, "%s: No password specified - will use default.\n", filename);
 143
 144                 if (ena!=1)
 145                         fprintf(stderr, "%s: No enable password specified - will use default.\n", filename);
 146
 147                 if (port!=1)
 148                         fprintf(stderr, "%s: No port specified - will use default.\n", filename);
 149
 150                 if (addr!=1)
 151                         fprintf(stderr, "%s: No listen address specified - will use default.\n", filename);
 152         }
 153
 154         cli_debug = 0;
 155         return 0;
 156 }
 157
 158
 159
 160
 161
 162 ///// TODO ***************************************************************
 163 //
 164 // Process "startup-config" using:
 165 //
 166 //   cli_file (struct cli_def *cli, FILE *f, int privilege, int mode)
 167 //
 168 //   This reads and processes every line read from f as if it were entered
 169 //   at the console. The privilege level will be set to privilege and mode
 170 //   set to mode during the processing of the file.
 171 //
 172 //
 173 // Idle timeout or watchdog or whatever:
 174 //
 175 //    cli_regular (struct cli_def *cli, int(*callback)(struct cli_def *))
 176 //
 177 //    Adds a callback function which will be called every second that a user
 178 //    is connected to the cli. This can be used for regular processing such
 179 //    as debugging, time counting or implementing idle timeouts.
 180 //
 181 //    Pass NULL as the callback function to disable this at runtime.
 182 //
 183 // ************************************************************************
 184
 185
 186 int cli(void)
 187 {
 188    struct sockaddr_in servaddr;
 189    struct cli_command
 190      *address,
 191      *clear,
 192      *debug,
 193      *eth_frame,
 194      *frame,
 195      *ip_packet,
 196      *ip_int,
 197      *launch,
 198      *mac_packet,
 199      *macaddr,
 200      *mac_int,
 201      *pld,
 202      *port,
 203      *reset,
 204      *run,
 205      *show,
 206      *tag,
 207      *tcp_packet,
 208      *udp_packet;
 209
 210    struct cli_def *cli;
 211    int on = 1, x, s, cnt=0;
 212    int i;
 213    char TimeStamp[128];
 214
 215    (void) signal(SIGINT, clean_up);  // to close and free everything upon SIGINT
 216
 217    // Must be called first to setup data structures
 218    cli = cli_init();
 219    gcli = cli;
 220
 221    // Set the hostname (shown in the the prompt)
 222    cli_set_hostname(cli, "mz");
 223
 224    // Set the greeting
 225    cli_set_banner(cli, "mausezahn " VERSION_LONG);
 226
 227    // Enable usernames and passwords
 228    cli_allow_user(cli, mz_username, mz_password);
 229    cli_allow_enable(cli, mz_enable);
 230
 231    // Initialize MOPS
 232    mp_head = mops_init();  // now mp_head points to the head of the doubly linked list
 233
 234    // Initialize packet sequences list
 235    packet_sequences = mz_ll_create_new_element(NULL);
 236
 237
 238    mops_rx_arp();
 239    lookupdev();
 240    for (i=0; i<device_list_entries; i++) {
 241         get_dev_params(device_list[i].dev);
 242    }
 243
 244    // Initialize sequence list
 245
 246
 247    // **************** THE MAIN CLI COMMANDS ****************
 248
 249    // ---- DEBUG MODE: ----
 250    debug = cli_register_command(cli, NULL, "debug", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Enter debug mode");
 251    cli_register_command(cli, debug, "packet", debug_packet, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Debug packet processing");
 252    cli_register_command(cli, debug, "all", debug_all, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Debug all (beware!)");
 253
 254    // ---- INTERFACE MODE COMMANDS: ---- (these are defaults for the 'device defaults' command)
 255    cli_register_command(cli, NULL, "interface", enter_interface, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Enter interface configuration mode");
 256    ip_int = cli_register_command(cli, NULL, "ip", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_INTERFACE, "Configure interface IP address");
 257    cli_register_command(cli, ip_int, "address", conf_ip_address, PRIVILEGE_PRIVILEGED, MZ_MODE_INTERFACE, "Configure interface IP address");
 258    mac_int= cli_register_command(cli, NULL, "mac", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_INTERFACE, "Configure interface MAC address");
 259    cli_register_command(cli, mac_int, "address", conf_mac_address, PRIVILEGE_PRIVILEGED, MZ_MODE_INTERFACE, "Configure interface MAC address");
 260    tag = cli_register_command(cli, NULL, "tag", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_INTERFACE, "Configure tags");
 261    cli_register_command(cli, tag, "dot1q", conf_tag_dot1q, PRIVILEGE_PRIVILEGED, MZ_MODE_INTERFACE, "Configure 802.1Q and 802.1P parameters");
 262    cli_register_command(cli, tag, "mpls", conf_tag_mpls, PRIVILEGE_PRIVILEGED, MZ_MODE_INTERFACE, "Configure mpls label stack");
 263
 264    // ---- VARIOUS CONFIG MODE COMMANDS : ----
 265    frame = cli_register_command(cli, NULL, "frame", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Configure global frame settings");
 266    cli_register_command(cli, frame, "limit", conf_frame_limit, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Configure frame size limits");
 267    cli_register_command(cli, NULL, "sequence", conf_sequence, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Configure a sequence of packets");
 268
 269    // ---- PACKET CONFIG MODE COMMANDS: ----
 270    cli_register_command(cli, NULL, "packet", enter_packet, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Enter packet configuration mode");
 271    cli_register_command(cli, NULL, "clone", cmd_packet_clone, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Clone from another packet");
 272    cli_register_command(cli, NULL, "name", cmd_packet_name, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Assign a unique name");
 273    cli_register_command(cli, NULL, "description", cmd_packet_description, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Assign a packet description text");
 274    cli_register_command(cli, NULL, "bind", cmd_packet_bind, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Select the network interface");
 275    cli_register_command(cli, NULL, "count", cmd_packet_count, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the packet count value");
 276    cli_register_command(cli, NULL, "delay", cmd_packet_delay, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the inter-packet delay");
 277    cli_register_command(cli, NULL, "interval", cmd_packet_interval, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure a greater interval");
 278    cli_register_command(cli, NULL, "type", cmd_packet_type, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Specify packet type");
 279    mac_packet = cli_register_command(cli, NULL, "mac", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's MAC addresses");
 280    address = cli_register_command(cli, mac_packet, "address", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's source IP address");
 281    cli_register_command(cli, address, "source", cmd_packet_mac_address_source, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's source MAC addresses");
 282    cli_register_command(cli, address, "destination", cmd_packet_mac_address_destination, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's destination MAC addresses");
 283    tag = cli_register_command(cli, NULL, "tag", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure tags");
 284    cli_register_command(cli, tag, "dot1q", cmd_packet_dot1q, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure 802.1Q (and 802.1P) parameters");
 285    cli_register_command(cli, tag, "mpls", cmd_packet_mpls, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure MPLS label stack");
 286    pld = cli_register_command(cli, NULL, "payload", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure a payload");
 287    cli_register_command(cli, pld, "hex", cmd_packet_payload_hex, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure a payload in hexadecimal format");
 288    cli_register_command(cli, pld, "ascii", cmd_packet_payload_ascii, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure a payload in ascii format");
 289    cli_register_command(cli, pld, "raw", cmd_packet_payload_raw, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure a raw payload (whole file as it is)");
 290    port = cli_register_command(cli, NULL, "port", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's port numbers");
 291    cli_register_command(cli, port, "source", cmd_port_source, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's source port number");
 292    cli_register_command(cli, port, "destination", cmd_port_destination, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's destination port number");
 293    cli_register_command(cli, NULL, "end", cmd_packet_end, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "End packet configuration mode");
 294
 295    // ---------- Ethernet related (for all packets that have Ethernet or LLC/SNAP as link layer)
 296    eth_frame = cli_register_command(cli, NULL, "ethernet", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure frame's Ethernet, 802.2, 802.3, or SNAP settings");
 297    macaddr = cli_register_command(cli, eth_frame, "address", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure frame's source or destination MAC address");
 298    cli_register_command(cli, macaddr, "source", cmd_packet_mac_address_source, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure frame's source MAC addresses");
 299    cli_register_command(cli, macaddr, "destination", cmd_packet_mac_address_destination, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure frame's destination MAC addresses");
 300    cli_register_command(cli, eth_frame, "type", cmd_eth_type, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure Ethernet's type field");
 301    cli_register_command(cli, eth_frame, "length", cmd_eth_length, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure IEEE 802.3 length field");
 302    cli_register_command(cli, eth_frame, "llc", cmd_eth_llc, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the IEEE 802.2 field");
 303    cli_register_command(cli, eth_frame, "snap", cmd_eth_snap, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the IEEE 802.2 field");
 304
 305    // ---------- IP related (for all packets that have IPv4 as network layer)
 306    ip_packet = cli_register_command(cli, NULL, "ip", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's IP settings");
 307    address = cli_register_command(cli, ip_packet, "address", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's source or destination IP address");
 308    cli_register_command(cli, address, "source", cmd_ip_address_source, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's source IP address");
 309    cli_register_command(cli, address, "destination", cmd_ip_address_destination, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's destination IP address");
 310    cli_register_command(cli, ip_packet, "version", cmd_ip_version, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure version field in IPv4 header");
 311    cli_register_command(cli, ip_packet, "ttl", cmd_ip_ttl, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure TTL field in IPv4 header");
 312    cli_register_command(cli, ip_packet, "protocol", cmd_ip_protocol, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure protocol field in IPv4 header");
 313    cli_register_command(cli, ip_packet, "hlen", cmd_ip_hlen, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure header-length (aka IHL) field in IPv4 header");
 314    cli_register_command(cli, ip_packet, "length", cmd_ip_len, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure length field in IPv4 header");
 315    cli_register_command(cli, ip_packet, "identification", cmd_ip_id, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure identification field in IPv4 header");
 316    cli_register_command(cli, ip_packet, "offset", cmd_ip_offset, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure fragment offset field in IPv4 header");
 317    cli_register_command(cli, ip_packet, "checksum", cmd_ip_sum, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure checksum field in IPv4 header");
 318    cli_register_command(cli, ip_packet, "tos", cmd_ip_tos, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure type-of-service (ToS) field in IPv4 header");
 319    cli_register_command(cli, ip_packet, "dscp", cmd_ip_dscp, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the ToS as DSCP field in IPv4 header");
 320    cli_register_command(cli, ip_packet, "reserved", cmd_ip_rsv, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the reserved flag in IPv4 header");
 321    cli_register_command(cli, ip_packet, "dont-fragment", cmd_ip_df, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the don't fragment flag in IPv4 header");
 322    cli_register_command(cli, ip_packet, "more-fragments", cmd_ip_mf, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the more fragments flag in IPv4 header");
 323    cli_register_command(cli, ip_packet, "fragment-size", cmd_ip_fragsize, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the fragment size to enable fragmentation");
 324    cli_register_command(cli, ip_packet, "fragment-overlap", cmd_ip_fragoverlap, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure a fragmentation overlap");
 325    cli_register_command(cli, ip_packet, "option", cmd_ip_option, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure IPv4 options");
 326    cli_register_command(cli, ip_packet, "auto-delivery", cmd_ip_delivery, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Enable or disable IP auto-delivery");
 327    // --------- IP commands:
 328    cli_register_command(cli, NULL, "version", cmd_ip_version, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the IP version (default: 4)");
 329    cli_register_command(cli, NULL, "ttl", cmd_ip_ttl, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the TTL (default: 255)");
 330    cli_register_command(cli, NULL, "source-address", cmd_ip_address_source, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the source IP address");
 331    cli_register_command(cli, NULL, "destination-address", cmd_ip_address_destination, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the destination IP address");
 332    cli_register_command(cli, NULL, "protocol", cmd_ip_protocol, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the IP protocol");
 333    cli_register_command(cli, NULL, "hlen", cmd_ip_hlen, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the IP header length");
 334    cli_register_command(cli, NULL, "len", cmd_ip_len, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the IP packet length");
 335    cli_register_command(cli, NULL, "identification", cmd_ip_id, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the IP identification");
 336    cli_register_command(cli, NULL, "offset", cmd_ip_offset, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the fragment offset");
 337    cli_register_command(cli, NULL, "sum", cmd_ip_sum, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the IP header checksum");
 338    cli_register_command(cli, NULL, "tos", cmd_ip_tos, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the Type of Service");
 339    cli_register_command(cli, NULL, "dscp", cmd_ip_dscp, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Specify the DSCP");
 340    cli_register_command(cli, NULL, "reserved", cmd_ip_rsv, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Set or unset the reserved bit");
 341    cli_register_command(cli, NULL, "df", cmd_ip_df, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Set or unset the Don't Fragment (DF) bit");
 342    cli_register_command(cli, NULL, "mf", cmd_ip_mf, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Set or unset the More Fragments (MF) bit");
 343    cli_register_command(cli, NULL, "fragment-size", cmd_ip_fragsize, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Configure the fragment size to enable fragmentation");
 344    cli_register_command(cli, NULL, "fragment-overlap", cmd_ip_fragoverlap, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Configure a fragmentation overlap");
 345    cli_register_command(cli, NULL, "option", cmd_ip_option, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Configure an IP option");
 346    cli_register_command(cli, NULL, "auto-delivery", cmd_ip_delivery, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "Enable or disable IP auto-delivery");
 347    cli_register_command(cli, NULL, "end", cmd_ip_end, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IP, "End IP configuration mode");
 348
 349    // ---------- UDP related (for all packets that have UDP as transport layer)
 350    udp_packet = cli_register_command(cli, NULL, "udp", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's UDP header parameters");
 351    cli_register_command(cli, udp_packet, "checksum", cmd_udp_sum, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the UDP checksum");
 352    cli_register_command(cli, udp_packet, "length", cmd_udp_len, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the UDP length field");
 353    // ---------- UDP commands:
 354    cli_register_command(cli, NULL, "checksum", cmd_udp_sum, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_UDP, "Configure the UDP checksum");
 355    cli_register_command(cli, NULL, "length", cmd_udp_len, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_UDP, "Configure the UDP length field");
 356    cli_register_command(cli, NULL, "end", cmd_udp_end, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_UDP, "End UDP configuration mode");
 357
 358    // ---------- TCP related (for all packets that have TCP as transport layer)
 359    tcp_packet = cli_register_command(cli, NULL, "tcp", NULL, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure packet's TCP header parameters");
 360    cli_register_command(cli, tcp_packet, "seqnr", cmd_tcp_seqnr, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the TCP sequence number");
 361    cli_register_command(cli, tcp_packet, "acknr", cmd_tcp_acknr, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the TCP acknowledgement number");
 362    cli_register_command(cli, tcp_packet, "hlen", cmd_tcp_offset, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the TCP header length");
 363    cli_register_command(cli, tcp_packet, "reserved", cmd_tcp_res, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the TCP reserved field");
 364    cli_register_command(cli, tcp_packet, "flags", cmd_tcp_flags, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure a combination of TCP flags at once");
 365    cli_register_command(cli, tcp_packet, "cwr", cmd_tcp_cwr, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Set or unset the TCP CWR flag");
 366    cli_register_command(cli, tcp_packet, "ece", cmd_tcp_ece, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Set or unset the TCP ECE flag");
 367    cli_register_command(cli, tcp_packet, "urg", cmd_tcp_urg, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Set or unset the TCP URG flag");
 368    cli_register_command(cli, tcp_packet, "ack", cmd_tcp_ack, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "set or unset the TCP ACK flag");
 369    cli_register_command(cli, tcp_packet, "psh", cmd_tcp_psh, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "set or unset the TCP PSH flag");
 370    cli_register_command(cli, tcp_packet, "rst", cmd_tcp_rst, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "set or unset the TCP RST flag");
 371    cli_register_command(cli, tcp_packet, "syn", cmd_tcp_syn, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "set or unset the TCP SYN flag");
 372    cli_register_command(cli, tcp_packet, "fin", cmd_tcp_fin, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "set or unset the TCP FIN flag");
 373    cli_register_command(cli, tcp_packet, "window", cmd_tcp_window, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the TCP window size");
 374    cli_register_command(cli, tcp_packet, "checksum", cmd_tcp_sum, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the TCP checksum");
 375    cli_register_command(cli, tcp_packet, "urgent-pointer", cmd_tcp_urgptr, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure the TCP urgend pointer");
 376    cli_register_command(cli, tcp_packet, "options", cmd_tcp_options, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET, "Configure TCP options");
 377    // ---------- TCP commands:
 378    cli_register_command(cli, NULL, "seqnr", cmd_tcp_seqnr, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Configure the TCP sequence number");
 379    cli_register_command(cli, NULL, "acknr", cmd_tcp_acknr, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Configure the TCP acknowledgement number");
 380    cli_register_command(cli, NULL, "hlen", cmd_tcp_offset, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Configure the TCP header length");
 381    cli_register_command(cli, NULL, "reserved", cmd_tcp_res, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Configure the TCP reserved field");
 382    cli_register_command(cli, NULL, "flags", cmd_tcp_flags, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Configure a combination of TCP flags at once");
 383    cli_register_command(cli, NULL, "cwr", cmd_tcp_cwr, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Set or unset the TCP CWR flag");
 384    cli_register_command(cli, NULL, "ece", cmd_tcp_ece, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Set or unset the TCP ECE flag");
 385    cli_register_command(cli, NULL, "urg", cmd_tcp_urg, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Set or unset the TCP URG flag");
 386    cli_register_command(cli, NULL, "ack", cmd_tcp_ack, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "set or unset the TCP ACK flag");
 387    cli_register_command(cli, NULL, "psh", cmd_tcp_psh, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "set or unset the TCP PSH flag");
 388    cli_register_command(cli, NULL, "rst", cmd_tcp_rst, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "set or unset the TCP RST flag");
 389    cli_register_command(cli, NULL, "syn", cmd_tcp_syn, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "set or unset the TCP SYN flag");
 390    cli_register_command(cli, NULL, "fin", cmd_tcp_fin, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "set or unset the TCP FIN flag");
 391    cli_register_command(cli, NULL, "window", cmd_tcp_window, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Configure the TCP window size");
 392    cli_register_command(cli, NULL, "checksum", cmd_tcp_sum, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Configure the TCP checksum");
 393    cli_register_command(cli, NULL, "urgent-pointer", cmd_tcp_urgptr, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Configure the TCP urgend pointer");
 394    cli_register_command(cli, NULL, "options", cmd_tcp_options, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "Configure TCP options");
 395    cli_register_command(cli, NULL, "end", cmd_tcp_end, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_TCP, "End TCP configuration mode");
 396
 397    // --------- ARP commands:
 398    cli_register_command(cli, NULL, "hardware-type", cmd_arp_hwtype, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "Specify the hardware type");
 399    cli_register_command(cli, NULL, "protocol-type", cmd_arp_prtype, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "Specify the protocol type");
 400    cli_register_command(cli, NULL, "hw-addr-size", cmd_arp_hwaddrsize, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "Specify the hardware address size");
 401    cli_register_command(cli, NULL, "pr-addr-size", cmd_arp_praddrsize, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "Specify the protocol address size");
 402    cli_register_command(cli, NULL, "opcode", cmd_arp_opcode, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "Specify the ARP opcode");
 403    cli_register_command(cli, NULL, "sender-mac", cmd_arp_smac, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "Specify the sender MAC address");
 404    cli_register_command(cli, NULL, "sender-ip", cmd_arp_sip, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "Specify the sender IP address");
 405    cli_register_command(cli, NULL, "target-mac", cmd_arp_tmac, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "Specify the target MAC address");
 406    cli_register_command(cli, NULL, "target-ip", cmd_arp_tip, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "Specify the target IP address");
 407    cli_register_command(cli, NULL, "trailer", cmd_arp_trailer, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "Specify the trailer length");
 408    cli_register_command(cli, NULL, "end", cmd_arp_end, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_ARP, "End ARP configuration mode");
 409
 410    // --------- BPDU commands:
 411    cli_register_command(cli, NULL, "id", cmd_bpdu_id, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU identifier");
 412    cli_register_command(cli, NULL, "version", cmd_bpdu_version, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU version");
 413    cli_register_command(cli, NULL, "bpdutype", cmd_bpdu_type, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU type");
 414    cli_register_command(cli, NULL, "flags", cmd_bpdu_flags, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU flags");
 415    cli_register_command(cli, NULL, "root-id", cmd_bpdu_rid, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU root identifier");
 416    cli_register_command(cli, NULL, "path-cost", cmd_bpdu_pc, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU root path cost");
 417    cli_register_command(cli, NULL, "bridge-id", cmd_bpdu_bid, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU bridge identifier");
 418    cli_register_command(cli, NULL, "port-id", cmd_bpdu_pid, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU port identifier");
 419    cli_register_command(cli, NULL, "age", cmd_bpdu_age, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU age");
 420    cli_register_command(cli, NULL, "maxage", cmd_bpdu_maxage, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU maxage");
 421    cli_register_command(cli, NULL, "hello-interval", cmd_bpdu_hello, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU hello interval");
 422    cli_register_command(cli, NULL, "forward-delay", cmd_bpdu_fwd, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU forward delay");
 423    cli_register_command(cli, NULL, "mode", cmd_bpdu_mode, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the BPDU mode");
 424    cli_register_command(cli, NULL, "vlan", cmd_bpdu_vlan, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "Specify the vlan for PVST+");
 425    cli_register_command(cli, NULL, "end", cmd_bpdu_end, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_BPDU, "End BPDU configuration mode");
 426
 427    // --------- IGMP commands:
 428    cli_register_command(cli, NULL, "v2-general-query",  cmd_igmpv2_genquery, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IGMP, "Create an IGMPv2 general query");
 429    cli_register_command(cli, NULL, "v2-group-specific-query", cmd_igmpv2_specquery, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IGMP, "Create an IGMPv2 group-specific query");
 430    cli_register_command(cli, NULL, "v2-report", cmd_igmpv2_report, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IGMP, "Create an IGMPv2 membership report");
 431    cli_register_command(cli, NULL, "v2-leave", cmd_igmpv2_leave, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IGMP, "Create an IGMPv2 leave group message");
 432    cli_register_command(cli, NULL, "v1-query",  cmd_igmpv1_query, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IGMP, "Create an IGMPv1 query");
 433    cli_register_command(cli, NULL, "v1-report", cmd_igmpv1_report, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IGMP, "Create an IGMPv1 membership report");
 434    cli_register_command(cli, NULL, "end", cmd_ip_end, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_IGMP, "End IGMP configuration mode"); // we reuse cmd_ip_end here!
 435
 436    cli_register_command(cli, NULL, "conformance", cmd_lldp_conformance, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "Enable or disable LLDP standard conformance");
 437    cli_register_command(cli, NULL, "chassis-id", cmd_lldp_chassis_id, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "Configure the LLDP Chassis-ID");
 438    cli_register_command(cli, NULL, "port-id", cmd_lldp_port_id, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "Configure the LLDP Port-ID");
 439    cli_register_command(cli, NULL, "ttl", cmd_lldp_ttl, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "Configure the LLDP Time-to-Live");
 440    cli_register_command(cli, NULL, "vlan", cmd_lldp_vlan, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "Configure the LLDP Port VLAN-ID");
 441    cli_register_command(cli, NULL, "generic-tlv", cmd_lldp_opt_tlv, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "Configure a generic LLDP TLV");
 442    cli_register_command(cli, NULL, "bad-tlv", cmd_lldp_opt_tlv_bad, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "Configure a bad TLV for testing purposes");
 443    cli_register_command(cli, NULL, "organisational-tlv", cmd_lldp_opt_org, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "Configure an organisational LLDP TLV");
 444    cli_register_command(cli, NULL, "early-end", cmd_lldp_endtlv, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "Insert an 'early' End-of-LLDPU TLV");
 445    cli_register_command(cli, NULL, "reset", cmd_lldp_reset, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "Reset the LLDPU to defaults and clear all optional TLVs");
 446    cli_register_command(cli, NULL, "end", cmd_ip_end, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_LLDP, "End IGMP configuration mode"); // we reuse cmd_ip_end here!
 447
 448    // --------- RTP commands:
 449    cli_register_command(cli, NULL, "version", cmd_rtp_version, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Specify the RTP version (default: 2)");
 450    cli_register_command(cli, NULL, "padding", cmd_rtp_padding, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Set or unset the padding flag (default: 0)");
 451    cli_register_command(cli, NULL, "xten", cmd_rtp_xten, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Set or unset the eXtension flag (default: 0)");
 452    cli_register_command(cli, NULL, "marker", cmd_rtp_marker, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Set or unset the marker flag (default: 0)");
 453    cli_register_command(cli, NULL, "csrc-count", cmd_rtp_cc, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Configure the CSRC count (default: 0)");
 454    cli_register_command(cli, NULL, "csrc-list", cmd_rtp_cclist, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Configure the CSRC list (default: none)");
 455    cli_register_command(cli, NULL, "payload-type", cmd_rtp_pt, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Configure the payload type (default: G.711, A-law, 20 msec)");
 456    cli_register_command(cli, NULL, "sequence-number", cmd_rtp_sqnr, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Configure the sequence number");
 457    cli_register_command(cli, NULL, "timestamp", cmd_rtp_time, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Configure the timestamp");
 458    cli_register_command(cli, NULL, "ssrc", cmd_rtp_ssrc, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Configure the SSRC (source identifier)");
 459    cli_register_command(cli, NULL, "extension", cmd_rtp_extension, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Configure an extension header");
 460    cli_register_command(cli, NULL, "source", cmd_rtp_source, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "Specify a media source");
 461    cli_register_command(cli, NULL, "end", cmd_ip_end, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_RTP, "End RTP configuration mode"); // we reuse cmd_ip_end here!
 462
 463    // --------- DNS commands:
 464    cli_register_command(cli, NULL, "ttl", cmd_dns_ttl, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_DNS, "Specify the TTL (default: 0)");
 465    cli_register_command(cli, NULL, "query", cmd_dns_query, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_DNS, "Specify the query");
 466    cli_register_command(cli, NULL, "answer", cmd_dns_answer, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_DNS, "Specify the answer");
 467    cli_register_command(cli, NULL, "end", cmd_dns_end, PRIVILEGE_PRIVILEGED, MZ_MODE_PACKET_DNS, "End DNS configuration mode");
 468
 469
 470    // --------- SEQUENCE COMMANDS
 471    cli_register_command(cli, NULL, "add", sequence_add, PRIVILEGE_PRIVILEGED, MZ_MODE_SEQUENCE, "Add another packet to the current sequence");
 472    cli_register_command(cli, NULL, "delay", sequence_delay, PRIVILEGE_PRIVILEGED, MZ_MODE_SEQUENCE, "Add a delay to the current sequence");
 473    cli_register_command(cli, NULL, "show", sequence_show, PRIVILEGE_PRIVILEGED, MZ_MODE_SEQUENCE, "Show current sequence list");
 474    cli_register_command(cli, NULL, "remove", sequence_remove, PRIVILEGE_PRIVILEGED, MZ_MODE_SEQUENCE, "Remove a packet or delay from the current sequence");
 475    cli_register_command(cli, NULL, "end", cmd_end_to_config, PRIVILEGE_PRIVILEGED, MZ_MODE_SEQUENCE, "End sequence configuration mode");
 476    // ---- BENCHMARK CONFIG MODE COMMANDS: ---
 477    // ---- SCAN CONFIG MODE COMMANDS: ---
 478
 479    // ---- CONTROL COMMANDS: ----
 480    cli_register_command(cli, NULL, "terminate", stop_mausezahn, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Terminate the Mausezahn server");
 481    run = cli_register_command(cli, NULL, "run", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Run previously configured mops instances or sequences");
 482    cli_register_command(cli, run, "id", cmd_run_id, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Run mops packet(s) by specifying packet identifiers");
 483    cli_register_command(cli, run, "name", cmd_run_name, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Run mops packet(s) by specifying packet names");
 484    cli_register_command(cli, run, "sequence", cmd_run_sequence, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Run a packet sequence");
 485    cli_register_command(cli, run, "all", cmd_run_all, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Run all currently configured mops packet(s)");
 486    cli_register_command(cli, NULL, "tx", transmit, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Send inline configured packet (legacy mode; not recommended)");
 487    cli_register_command(cli, NULL, "stop", cmd_stop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Stop transmission");
 488    cli_register_command(cli, NULL, "load", cmd_load, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Load commands from a file");
 489
 490    // ---- SET COMMANDS: -----
 491    cli_register_command(cli, NULL, "set", cmd_set, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Set global Mausezahn parameters");
 492
 493    // ---- CLEAR COMMANDS: -----
 494    clear = cli_register_command(cli, NULL, "clear", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Clear something (use '?')");
 495    cli_register_command(cli, clear, "all", clear_all, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Re-initialize Mausezahn");
 496    cli_register_command(cli, clear, "packet", clear_packet, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Delete a packet (i. e. MOPS entry)");
 497
 498    // ---- SHOW COMMANDS: -----
 499    show = cli_register_command(cli, NULL, "show", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show something (use '?')");
 500    cli_register_command(cli, show, "packet", show_packets, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show defined packets");
 501 // cli_register_command(cli, show, "system", show_system, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show basic system settings");
 502    cli_register_command(cli, show, "interfaces", show_interfaces, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show detailed interface information");
 503    cli_register_command(cli, show, "mops", show_mops, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show MOPS details");
 504 // cli_register_command(cli, show, "processes", cmd_test, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all Mausezahn processes");
 505    cli_register_command(cli, show, "set", show_set, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List general packet parameters");
 506    cli_register_command(cli, show, "arp", show_arp, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the advanced Mausezahn ARP table");
 507
 508 // cli_register_command(cli, show, "report", cmd_test, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Print reports");
 509
 510    // ---- PRIVILEGE (OTHER) ----
 511    reset = cli_register_command(cli, NULL, "reset", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Reset something...");
 512     cli_register_command(cli, reset, "interface", cmd_reset_interface, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Reset interfaces");
 513     cli_register_command(cli, reset, "packet", cmd_reset_packet, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Reset interfaces");
 514    // ------- LAUNCH ------
 515    launch = cli_register_command(cli, NULL, "launch", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Launch a predefined MOPS process");
 516     cli_register_command(cli, launch, "bpdu", launch_bpdu, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Launch a(nother) BPDU process");
 517     cli_register_command(cli, launch, "synflood", launch_synflood, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Launch a(nother) SYN-Flood process");
 518 //    cli_register_command(cli, launch, "alot", launch_alot, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Launch lots of traffic");
 519 //    cli_register_command(cli, launch, "rtp", launch_rtp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Launch rtp stream(s)");
 520 //    cli_register_command(cli, launch, "arp", launch_arp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Launch a(nother) ARP process");
 521 //    cli_register_command(cli, launch, "lldp", launch_lldp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Launch a(nother) LLDP process");
 522
 523
 524    // *******************************************************
 525
 526    // Create a socket
 527    s = socket(AF_INET, SOCK_STREAM, 0);
 528    setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
 529
 530    // Should we bind the CLI session to a specific interface?
 531    // TODO: This does nothing !?
 532    for (i=0; i<device_list_entries; i++) {
 533            if (device_list[i].cli) {
 534                    setsockopt(s, SOL_SOCKET, SO_BINDTODEVICE, device_list[i].dev, strnlen(device_list[i].dev, 16));
 535                    break; // can only be one interface
 536            }
 537    }
 538
 539    // Listen on port mz_port (default: 25542, towel day)
 540    memset(&servaddr, 0, sizeof(servaddr));
 541    servaddr.sin_family = AF_INET;
 542    inet_aton(mz_listen_addr, &servaddr.sin_addr);
 543    servaddr.sin_port = htons(mz_port);
 544    bind(s, (struct sockaddr *)&servaddr, sizeof(servaddr));
 545
 546    if (!quiet) {
 547                        fprintf(stderr, "Mausezahn accepts incoming Telnet connections on %s:%i.\n",  mz_listen_addr, mz_port);
 548                }
 549
 550    // Wait for a connection
 551    listen(s, 50);
 552
 553    while ((x = accept(s, NULL, 0)))
 554      {
 555         if (!quiet)
 556           {
 557              cnt++;
 558              timestamp_human(TimeStamp, NULL);
 559              fprintf(stderr, "Got incoming connection [%i] at %s.\n", cnt, TimeStamp);
 560              fflush(stderr);
 561           }
 562
 563         // Pass the connection off to libcli
 564         cli_loop(cli, x);
 565
 566         if (!quiet)
 567           {
 568              timestamp_human(TimeStamp, NULL);
 569              fprintf(stderr, "Connection [%i] left at %s.\n", cnt, TimeStamp);
 570           }
 571
 572         close(x);
 573      }
 574
 575    // Free data structures
 576    cli_done(cli);
 577
 578    return 0;
 579 }
 580
 581