/*
This file is part of actube.
actube is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
libcapwap 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar. If not, see .
*/
#include
#include
#include
#include
#include
#include "actube.h"
#include "wtplist.h"
#include "cw/dtls.h"
#include "cw/log.h"
#include "cw/dbg.h"
#include "cw/sock.h"
#include "conf.h"
#include "socklist.h"
#include "db.h"
#include "cw/capwap_crypto.h"
#include "ac.h"
#include "cw/format.h"
#include "dataman.h"
int ac_run();
static void *alive_thread (void *data)
{
/* Ping the database every 5 seconds */
while (1) {
sleep (5);
db_ping();
}
}
#include
struct bootcfg {
const char * cfgfilename;
};
static int parse_args (int argc, char *argv[], struct bootcfg * bootcfg)
{
int c;
opterr = 1;
bootcfg->cfgfilename = "config.ktv";
while ( (c = getopt (argc, argv, "vc:d:p:")) != -1) {
switch (c) {
case 'c':
bootcfg->cfgfilename = optarg;
break;
case 'v':
printf("AC-Tube version 0.0.1, %s\n", SYS_ARCH);
exit(EXIT_SUCCESS);
break;
case 'd':{
int b = cw_strlist_get_id(cw_dbg_strings, optarg);
if (b==-1){
fprintf(stderr,"Invalid debug option: %s\n",optarg);
exit(EXIT_FAILURE);
}
cw_dbg_set_level(b, 1);
break;
}
case 'p':
cw_mod_set_path(optarg);
break;
case '?':
exit(EXIT_FAILURE);
default:
case 'h':
printf("%s: -vcmh\n",argv[0]);
exit(EXIT_SUCCESS);
break;
}
}
return 0;
}
#include "cw/mod.h"
extern struct cw_Mod * cw_get_mod_ac (const char *name);
#include "cw/mlist.h"
extern void test_sets();
#include "cw/file.h"
#include "cw/ktv.h"
struct mykv {
int key;
int value;
};
int mycmp (void *e1, void *e2)
{
struct mykv * k1 = e1;
struct mykv * k2 = e2;
//printf("My CMP: %d and %d\n", k1->key, k2->key);
if (k1->key > k2->key)
return 1;
if (k1->key < k2->key)
return -1;
return 0;
}
void mavl_walk (struct mavlnode * node)
{
struct mykv * kv;
if (!node) {
printf ("\n");
return;
}
kv = mavlnode_dataptr (node);
printf ("KV %d\n", kv->key);
printf ("go left:");
mavl_walk (node->left);
printf ("go right:");
mavl_walk (node->right);
}
int stcmp (const void * sa1, const void *sa2)
{
const char **s1 = sa1;
const char **s2 = sa2;
int rc;
rc = strcmp (*s1, *s2);
printf ("CMP %s, %s = %d\n", *s1, *s2, rc);
return rc;
}
int main (int argc, char *argv[])
{
int rc = 0;
struct bootcfg bootcfg;
FILE * file;
mavl_t types_tree, global_cfg;
const cw_Type_t **ti;
/* parse arguments */
parse_args (argc, argv, &bootcfg);
/* open config file */
file = fopen(bootcfg.cfgfilename,"r");
if (file == NULL){
cw_log(LOG_ERR,"Cant open config file '%s': %s",
bootcfg.cfgfilename, strerror(errno));
exit(EXIT_FAILURE);
}
/* create types tree with default types */
types_tree = cw_ktv_create_types_tree();
for (ti=CW_KTV_STD_TYPES;*ti;ti++){
mavl_add_ptr(types_tree,*ti);
}
global_cfg = cw_ktv_create();
if (global_cfg == NULL){
cw_log(LOG_ERR,"Can't create local_cfg: %s",strerror(errno));
exit(EXIT_FAILURE);
}
cw_ktv_read_file(file,global_cfg,types_tree);
fclose(file);
cw_dbg_ktv_dump(global_cfg,DBG_INFO,NULL,"CFG:",NULL);
actube_global_cfg = global_cfg;
cw_log_name = "AC-Tube";
if (!read_config ("ac.conf"))
return 1;
/* Show debug options if there are any set */
if (cw_dbg_opt_level)
cw_log (LOG_INFO, "Debug Options: %08X", cw_dbg_opt_level);
/* XXX Hard coded debug settigns, set it by config in the future */
cw_dbg_opt_display = DBG_DISP_ASC_DMP | DBG_DISP_COLORS;
/* Warn, if the "secret" debugging feature for
developers is turned on ;) */
// DBGX("Attention! %s", "DBG X is ON!");
// cw_mod_set_mod_path("../../lib/actube");
//cw_mod_load("capwap");
/* Initialize the database */
if (!db_init())
goto errX;
/* Start the database */
if (!db_start())
goto errX;
db_ping();
/* Start a database "pinger thread", which inserts
every xx seconds a timestamp into the DB */
pthread_t alth;
pthread_create (&alth, NULL, alive_thread, NULL);
/* Init DTLS library */
dtls_init();
ac_global_init();
if (!socklist_init())
goto errX;
if (!wtplist_init())
goto errX;
if (!dataman_list_init())
goto errX;
cw_log (LOG_INFO, "Starting AC-Tube, Name=%s, ID=%s", conf_acname, conf_acid);
rc = ac_run();
errX:
/* XXX There is more cleanup to do */
wtplist_destroy();
socklist_destroy();
return rc;
}
void process_ctrl_packet (int index, struct sockaddr *addr, uint8_t * buffer, int len);
void process_cw_data_packet (int index, struct sockaddr *addr, uint8_t * buffer, int len);
int ac_run()
{
if (!conf_listen_addrs_len) {
cw_log (LOG_ERR, "Fatal error: No listen addresses found.");
return 1;
}
/* it is important to create the unicast sockets first,
* because when we create the mcast an bcast sockets next
* we will look for already created sockets to find a
* good unicast reply socket */
int i;
for (i = 0; i < conf_listen_addrs_len; i++) {
char addr[100];
char port[50];
int proto;
conf_parse_listen_addr (conf_listen_addrs[i], addr, port, &proto);
//struct sockaddr sa;
socklist_add_unicast (addr, port, proto);
//#ifdef WITH_LWAPP
// if (conf_lwapp)
// socklist_add_unicast(conf_listen_addrs[i], conf_lw_control_port,
// AC_PROTO_LWAPP);
//#endif
}
if (socklist_len == 0) {
cw_log (LOG_ERR, "Fatal error: Could not setup any listen socket");
return 1;
}
/* create multicast sockets */
for (i = 0; i < conf_mcast_groups_len; i++) {
socklist_add_multicast (conf_mcast_groups[i], conf_control_port,
AC_PROTO_CAPWAP);
#ifdef WITH_LWAPP
if (conf_lwapp)
socklist_add_multicast (conf_mcast_groups[i], conf_lw_control_port,
AC_PROTO_LWAPP);
#endif
}
/* broadcast socket ipv4 only */
for (i = 0; i < conf_bcast_addrs_len; i++) {
char addr[50], port[50];
int proto;
conf_parse_listen_addr (conf_bcast_addrs[i], addr, port, &proto);
socklist_add_broadcast (addr, port, proto);
#ifdef WITH_LWAPP
// printf("Adding %d\n",socklist_len);
if (conf_lwapp)
socklist_add_broadcast (conf_bcast_addrs[i], conf_lw_control_port,
AC_PROTO_LWAPP);
// printf ("SI %d, PROTO: %d\n",socklist_len-1,socklist[socklist_len-1].ac_proto);
#endif
}
//get_acinfo();
while (1) {
/* prepare fdset */
fd_set fset;
int max = 0;
FD_ZERO (&fset);
for (i = 0; i < socklist_len; i++) {
FD_SET (socklist[i].sockfd, &fset);
if (socklist[i].sockfd > max)
max = socklist[i].sockfd;
if (socklist[i].data_sockfd) {
FD_SET (socklist[i].data_sockfd, &fset);
if (socklist[i].sockfd > max)
max = socklist[i].sockfd;
}
}
/* wait for an event */
int n;
while ( (n = select (max + 1, &fset, NULL, NULL, NULL)) < 0) {
if (errno != EINTR)
return n;
}
/* process the received packet */
for (i = 0; i < socklist_len; i++) {
uint8_t buffer[4096];
struct sockaddr_storage srcaddr;
socklen_t srcaddrlen;
if (FD_ISSET (socklist[i].data_sockfd, &fset)) {
int len = sock_receive (socklist[i].data_sockfd,
buffer, sizeof (buffer),
0,
(struct sockaddr *) &srcaddr,
&srcaddrlen);
process_cw_data_packet (i, (struct sockaddr *) &srcaddr, buffer, len);
}
if (FD_ISSET (socklist[i].sockfd, &fset)) {
int len = sock_receive (socklist[i].sockfd,
buffer, sizeof (buffer),
0,
(struct sockaddr *) &srcaddr,
&srcaddrlen);
process_ctrl_packet (i, (struct sockaddr *) &srcaddr, buffer, len);
}
}
}
return 0;
}
void process_cw_data_packet (int index, struct sockaddr *addr, uint8_t * buffer, int len)
{
char sock_buf[SOCK_ADDR_BUFSIZE];
cw_dbg (DBG_X, "There is a data packet now");
dataman_list_lock();
cw_dbg (DBG_X, "Dataman list locked, now getting");
struct dataman * dm = dataman_list_get (socklist[index].data_sockfd, addr);
cw_dbg (DBG_X, "Dataman list locked, now gotted");
cw_dbg (DBG_INFO, "Packet for dataman %s,%d", sock_addr2str_p (addr, sock_buf), socklist[index].data_sockfd);
if (!dm) {
cw_dbg (DBG_INFO, "No dataman %s,%d", sock_addr2str_p (addr, sock_buf), socklist[index].data_sockfd);
dm = dataman_create (socklist[index].data_sockfd, addr);
if (!dm) {
cw_log (LOG_ERR, "Can't create dataman for packet from %s", sock_addr2str_p (addr, sock_buf));
return;
}
dataman_list_add (dm);
dataman_start (dm);
}
dataman_list_unlock();
dataman_add_packet (dm, buffer, len);
return;
exit (0);
printf ("Data packet received len = %d\n", len);
exit (0);
struct wtpman *wtpman = wtplist_get (addr);
if (!wtpman) {
cw_dbg (DBG_PKT_ERR, "Discarding packet on data channel from %s - No wtpman found.", sock_addr2str (addr, sock_buf));
return;
}
wtpman_addpacket (wtpman, buffer, len);
}
void process_cw_ctrl_packet (int index, struct sockaddr *addr, uint8_t * buffer, int len)
{
char sock_buf[SOCK_ADDR_BUFSIZE];
/* first of all check preamble */
int preamble = cw_get_hdr_preamble (buffer);
if (preamble != CAPWAP_PACKET_PREAMBLE && preamble != CAPWAP_DTLS_PACKET_PREAMBLE) {
cw_dbg (DBG_PKT_ERR,
"Discarding packet from %s, wrong preamble, preamble = 0x%01X",
sock_addr2str (addr, sock_buf), preamble);
return;
}
wtplist_lock();
struct wtpman *wtpman = wtplist_get (addr);
if (!wtpman) {
wtpman = wtpman_create (index, addr);
if (!wtpman) {
cw_log (LOG_ERR, "Error creating wtpman: %s", strerror (errno));
wtplist_unlock();
return;
}
if (!wtplist_add (wtpman)) {
cw_log (LOG_ERR, "Error adding wtpman: Too many wtp connections");
wtpman_destroy (wtpman);
wtplist_unlock();
return;
};
wtpman_start (wtpman, preamble & 0xf);
}
wtpman_addpacket (wtpman, buffer, len);
wtplist_unlock();
}
void process_lw_ctrl_packet (int index, struct sockaddr *addr, uint8_t * buffer, int len)
{
//int sock = socklist[index].reply_sockfd;
uint8_t *m = buffer + 6;
uint32_t val = ntohl (* ( (uint32_t *) (m)));
printf ("VAL: %08X\n", val);
/* first of all check preamble */
int version = LWTH_GET_VERSION (m);
if (version != LW_VERSION) {
// cw_log_debug1("Discarding LWAPP packet, wrong verson");
return;
}
int l = LWTH_GET_LENGTH (m);
printf ("LEN = %d\n", l);
if (l + 12 != len) {
// cw_log_debug1("Discarding LWAPP packet, wrong length");
return;
}
wtplist_lock();
struct wtpman *wtpman = wtplist_get (addr);
if (!wtpman) {
wtpman = wtpman_create (index, addr);
if (!wtpman) {
cw_log (LOG_ERR, "Error creating wtpman: %s", strerror (errno));
wtplist_unlock();
return;
}
if (!wtplist_add (wtpman)) {
cw_log (LOG_ERR, "Error adding wtpman: Too many wtp connections");
wtpman_destroy (wtpman);
wtplist_unlock();
return;
};
//wtpman_lw_start(wtpman);
}
//wtpman_lw_addpacket(wtpman,buffer,len);
wtplist_unlock();
}
void process_ctrl_packet (int index, struct sockaddr *addr, uint8_t * buffer, int len)
{
switch (socklist[index].ac_proto) {
case AC_PROTO_CAPWAP:
process_cw_ctrl_packet (index, addr, buffer, len);
return;
case AC_PROTO_LWAPP:
process_lw_ctrl_packet (index, addr, buffer, len);
return;
}
}