Initial commit
FossilOrigin-Name: c53d95729c009f8f80a7d63847cef7668ff73f8af0523ab65f7734696f85399c
This commit is contained in:
7u83@mail.ru
493
src/ac/conf.c
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493
src/ac/conf.c
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@ -0,0 +1,493 @@
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/*
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This file is part of actube.
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libcapwap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libcapwap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <sys/utsname.h>
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#include <confuse.h>
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#include "capwap.h"
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#include "sock.h"
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#include "conf.h"
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#include "cw_log.h"
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#include "cw_util.h"
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char * conf_acname = NULL;
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int conf_acname_len = 0;
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long conf_max_wtps = CONF_DEFAULT_MAXWTPS;
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char * conf_logfilename=CONF_DEFAULT_LOGFILENAME;
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struct sockaddr_storage * conf_salist=NULL;
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char ** conf_listen_addrs;
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int conf_listen_addrs_len=0;
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char ** conf_mcast_groups=0;
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int conf_mcast_groups_len=0;
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char ** conf_bcast_addrs=0;
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int conf_bcast_addrs_len;
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struct sockaddr_storage * conf_bsalist=NULL;
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int conf_salist_len=0;
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int conf_bsalist_len=0;
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struct sockaddr * conf_ac_ips;
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int conf_ac_ips_len;
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char * conf_sslcertfilename=NULL;
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char * conf_sslkeyfilename=NULL;
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char * conf_dtls_psk=NULL;
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char * conf_ac_hardware_version=NULL;
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char * conf_ac_software_version=NULL;
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int conf_security=0;
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long conf_vendor_id=CONF_DEFAULT_VENDOR_ID;
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char * conf_hardware_version;
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char * conf_software_version;
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int conf_use_loopback = 0;
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long conf_debug_level=-1;
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char * conf_db_file =0;
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int conf_ipv4=1;
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#ifdef WITH_IPV6
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int conf_ipv6=1;
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#endif
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char * conf_control_port=0;
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cfg_bool_t conf_ignore_wtp_source_port = cfg_false;
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static int init_acname()
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{
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if (conf_acname == NULL){
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conf_acname=CONF_DEFAULT_ACNAME;
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}
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conf_acname_len=strlen(conf_acname);
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return 1;
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}
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static int init_dtls()
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{
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if (conf_dtls_psk!=NULL){
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conf_security=CWACSECURITY_FLAGS_S;
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}
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return 1;
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}
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static int init_vendor_id()
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{
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return 1;
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}
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static int init_version()
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{
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if (!conf_hardware_version)
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{
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struct utsname u;
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int rc = uname(&u);
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if (rc<0)
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conf_hardware_version=CONF_DEFAULT_HARDWARE_VERSION;
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else{
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char str[265];
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sprintf(str,"%s / %s %s",u.machine,u.sysname,u.release);
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conf_hardware_version=strdup(str);
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}
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}
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if (!conf_software_version)
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conf_software_version=CONF_DEFAULT_SOFTWARE_VERSION;
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return 1;
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}
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static int init_control_port()
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{
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if (conf_control_port != 0)
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return 1;
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char str[30];
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sprintf(str,"%d",CONF_DEFAULT_CONTROL_PORT);
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conf_control_port=(char*)cw_setstr((uint8_t**)&conf_control_port,(uint8_t*)str,strlen(str));
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return 1;
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}
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#include <ifaddrs.h>
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static int init_listen_addrs()
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{
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if (conf_listen_addrs!=0)
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return 1;
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struct ifaddrs * ifap,*ifa;
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int rc = getifaddrs(&ifap);
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if (rc==-1)
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return 0;
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/* count the addresses */
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int ctr=0;
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for (ifa=ifap; ifa!=0; ifa=ifa->ifa_next){
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if (ifa->ifa_addr->sa_family==AF_INET && conf_ipv4)
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ctr++;
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#ifdef WITH_IPV6
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if (ifa->ifa_addr->sa_family==AF_INET6 && conf_ipv6)
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ctr++;
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#endif
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}
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conf_listen_addrs = malloc(sizeof(char*)*ctr);
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if (!conf_listen_addrs){
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rc=0;
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goto errX;
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}
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memset(conf_listen_addrs,0,sizeof(char*)*ctr);
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ctr=0;
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/* get the addresses */
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for (ifa=ifap; ifa!=0; ifa=ifa->ifa_next){
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char str[100];
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if(!conf_use_loopback){
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if ((ifa->ifa_flags & IFF_LOOPBACK)){
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continue;
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}
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}
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if (ifa->ifa_addr->sa_family==AF_INET && conf_ipv4){
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sock_addrtostr(ifa->ifa_addr,str,100);
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*strchr(str,':')=0;
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conf_listen_addrs[ctr]=(char*)cw_setstr((uint8_t**)&conf_listen_addrs[ctr],(uint8_t*)str,strlen(str));
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if (conf_listen_addrs[ctr])
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ctr++;
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}
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#ifdef WITH_IPV6
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if (ifa->ifa_addr->sa_family==AF_INET6 && conf_ipv6){
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sock_addrtostr(ifa->ifa_addr,str,100);
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if (strncmp(str,"fe80:",5)==0){
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strcat(str,"%");
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strcat(str,ifa->ifa_name);
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}
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conf_listen_addrs[ctr]=(char*)cw_setstr((uint8_t**)&conf_listen_addrs[ctr],(uint8_t*)str,strlen(str));
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if (conf_listen_addrs[ctr])
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ctr++;
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}
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#endif
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}
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conf_listen_addrs_len=ctr;
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rc=1;
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errX:
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freeifaddrs(ifap);
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return rc;
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}
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static char * conf_default_mcast_groups_ipv4[] = {
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"224.0.1.140",
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};
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#ifdef WITH_IPV6
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static char * conf_default_mcast_groups_ipv6[] = {
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/* "ff01:0:0:0:0:0:0:18c",
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"ff02:0:0:0:0:0:0:18c%em0",
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"ff03:0:0:0:0:0:0:18c",
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"ff04:0:0:0:0:0:0:18c",
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"ff05:0:0:0:0:0:0:18c",
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"ff06:0:0:0:0:0:0:18c"
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*/
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};
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#endif
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//#include "avltree"
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#include "stravltree.h"
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static int add_bcast_addr(void *priv, void * addr)
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{
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char *s = (char*)addr;
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conf_bcast_addrs[conf_bcast_addrs_len]=strdup(s);
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if (conf_bcast_addrs[conf_bcast_addrs_len]!=0)
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conf_bcast_addrs_len++;
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return 1;
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}
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/*
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* Initialize broadcast addresses (ipv4 only)
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*/
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int init_bcast_addrs()
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{
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if (conf_bcast_addrs)
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return 1;
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if (!conf_ipv4)
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return 1;
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struct avltree *t = stravltree_create();
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if (!t)
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return 0;
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/* add the default broadast address */
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stravltree_add(t,"255.255.255.255");
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/* add all other local broadcast addresses */
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struct ifaddrs * ifa0,*ifa;
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int rc = getifaddrs(&ifa0);
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if (rc==-1)
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return 0;
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for (ifa=ifa0; ifa!=0; ifa=ifa->ifa_next){
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struct sockaddr * sa;
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if (!(ifa->ifa_flags & IFF_BROADCAST))
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continue;
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if(!conf_use_loopback){
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if ((ifa->ifa_flags & IFF_LOOPBACK))
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continue;
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}
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sa = ifa->ifa_addr;
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if(sa->sa_family != AF_INET)
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continue;
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char str[100];
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if (ifa->ifa_broadaddr){
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sock_addrtostr(ifa->ifa_broadaddr,str,100);
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*strchr(str,':')=0;
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stravltree_add(t,str);
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}
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}
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conf_bcast_addrs=malloc(t->count*sizeof(char*));
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stravltree_foreach(t,add_bcast_addr,0,1);
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stravltree_destroy(t);
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freeifaddrs(ifa0);
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return 1;
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}
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int init_mcast_groups()
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{
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if (conf_mcast_groups)
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return 1;
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int n = 0;
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int n4=0,n6=0;
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if (conf_ipv4){
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n4=sizeof(conf_default_mcast_groups_ipv4)/sizeof(char*);
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}
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#ifdef WITH_IPV6
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if (conf_ipv6){
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n6=sizeof(conf_default_mcast_groups_ipv6)/sizeof(char*);
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}
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#endif
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n=n4+n6;
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if (n==0)
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return 1;
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conf_mcast_groups=malloc(sizeof(char*)*n);
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if (!conf_mcast_groups)
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return 0;
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memset(conf_mcast_groups,0,n*sizeof(char*));
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int ctr=0;
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int i;
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for(i=0; i<n4; i++){
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uint8_t *g = (uint8_t*)conf_default_mcast_groups_ipv4[i];
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conf_mcast_groups[ctr]=(char*)cw_setstr((uint8_t**)&conf_mcast_groups[ctr],g,strlen((char*)g));
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if (conf_mcast_groups[ctr])
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ctr++;
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}
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for(i=0; i<n6; i++){
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uint8_t *g = (uint8_t*)conf_default_mcast_groups_ipv6[i];
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conf_mcast_groups[ctr]=(char*)cw_setstr((uint8_t**)&conf_mcast_groups[ctr],g,strlen((char*)g));
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if (conf_mcast_groups[ctr])
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ctr++;
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}
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conf_mcast_groups_len=n;
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return 1;
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}
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static int conf_read_strings( cfg_t * cfg, char * name, char ***dst,int *len)
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{
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int n,i;
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n = cfg_size(cfg, name);
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*len=n;
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if (n==0)
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return 1;
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*dst = malloc(sizeof(char*)*n);
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if (!*dst)
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return 0;
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for (i=0; i<n; i++) {
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char * str = cfg_getnstr(cfg,name,i);
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if (!((*dst)[i]=malloc(strlen(str)+1))) {
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*len=0;
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return 0;
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}
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strcpy((*dst)[i],str);
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}
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return 1;
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}
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int read_config(const char * filename){
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int i,n;
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cfg_opt_t opts[] = {
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CFG_STR_LIST("listen", "{}", CFGF_NONE),
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CFG_STR_LIST("mcast_groups", "{}", CFGF_NONE),
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CFG_STR_LIST("bcast_addrs", "{}", CFGF_NONE),
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CFG_STR_LIST("ac_ips","{}",CFGF_NONE),
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CFG_SIMPLE_STR("control_port",&conf_control_port),
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CFG_SIMPLE_INT("max_wtps",&conf_max_wtps),
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CFG_SIMPLE_INT("debug_level",&conf_debug_level),
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CFG_SIMPLE_INT("vendor_id",&conf_vendor_id),
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CFG_SIMPLE_STR("ac_name",&conf_acname),
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CFG_SIMPLE_STR("ssl_cert",&conf_sslcertfilename),
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CFG_SIMPLE_STR("ssl_key",&conf_sslkeyfilename),
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CFG_SIMPLE_STR("dtls_psk",&conf_dtls_psk),
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// CFG_SIMPLE_BOOL("ignore_wtp_source_port",&conf_ignore_wtp_source_port),
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CFG_SIMPLE_BOOL("ipv4",&conf_ipv4),
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CFG_SIMPLE_BOOL("ipv6",&conf_ipv6),
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CFG_SIMPLE_STR("db_file",conf_db_file),
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CFG_END()
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};
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cfg_t *cfg;
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cfg = cfg_init(opts, 0);
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cfg_parse(cfg, filename);
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/* read the listen addresses */
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conf_read_strings(cfg,"listen",&conf_listen_addrs,&conf_listen_addrs_len);
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/* read multi cast groups */
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conf_read_strings(cfg,"mcast_groups",&conf_mcast_groups,&conf_mcast_groups_len);
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/* read ipv4 broadcast addresses */
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conf_read_strings(cfg,"bcast_addrs",&conf_bcast_addrs,&conf_bcast_addrs_len);
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/*
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n = cfg_size(cfg, "listen");
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if (! (conf_salist = malloc(sizeof (struct sockaddr_storage)*n)) )
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return 0;
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if (! (conf_listen_addrs=malloc(sizeof(char *)*n)))
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return 0;
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memset(conf_listen_addrs,0,sizeof(char*)*n);
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conf_salist_len=n;
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for (i=0; i<n; i++) {
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char * str = cfg_getnstr(cfg,"listen",i);
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if (!(conf_listen_addrs[i]=malloc(strlen(str)+1)))
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return 0;
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strcpy(conf_listen_addrs[i],str);
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}
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*/
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/* read ac_ips */
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n = cfg_size(cfg, "ac_ips");
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if (! (conf_ac_ips = malloc(sizeof (struct sockaddr)*n)) )
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return 0;
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conf_ac_ips_len=n;
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for (i=0; i<n; i++) {
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struct sockaddr sa;
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char * str = cfg_getnstr(cfg,"ac_ips",i);
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if (sock_strtoaddr ( cfg_getnstr(cfg, "ac_ips", i),&sa))
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conf_ac_ips[i]=sa;
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else{
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perror(str);
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}
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}
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cfg_free(cfg);
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if (!init_acname() )
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return 0;
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if (!init_version())
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return 0;
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if (!init_vendor_id())
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return 0;
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if (!init_dtls())
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return 0;
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if (!init_control_port())
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return 0;
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init_listen_addrs();
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init_mcast_groups();
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init_bcast_addrs();
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return 1;
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}
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void free_config()
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{
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}
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