char * get_network_setting(const char *config)
{
char * ret = 0;
struct mode_list_elem *data;
if(!strcmp(config, NETWORK_IP_KEY))
{
ret = get_network_ip();
if(!ret)
ret = strdup("192.168.2.15");
}
else if(!strcmp(config, NETWORK_INTERFACE_KEY))
{
data = get_usb_mode_data();
if(data)
{
if(data->network_interface)
{
ret = strdup(data->network_interface);
goto end;
}
}
ret = get_network_interface();
if(!ret)
ret = strdup("usb0");
}
else if(!strcmp(config, NETWORK_GATEWAY_KEY))
return(get_network_gateway());
else
/* no matching keys, return error */
return(NULL);
end:
return(ret);
}
int handle_pcap_file(char* filename){
initialize_default_interface();
struct pcap_pkthdr* header = (struct pcap_pkthdr*)malloc(sizeof(struct pcap_pkthdr));
const u_char *packet; // The actual packet
pcap_t *handle;
char errbuf[PCAP_ERRBUF_SIZE];
handle = pcap_open_offline(filename, errbuf); //call pcap library function
if (handle == NULL) {
printf("Couldn't open pcap file %s: \n", filename);
return 0;
}
struct network_interface* interface =
get_network_interface("wlan0","6c:71:d9:6a:74:45");
struct pcap_handler_argument arg;
arg.source = interface;
arg.dest = NULL;
arg.is_pcap = 1; //setting pcap mode on
char* ofilename = (char*)malloc(256);
strcpy(ofilename, "outdump");
//pcap_t* pd = pcap_open_dead(DLT_EN10MB, 65535);
if (ofilename != NULL){
dumpfile=pcap_dump_open(handle, ofilename);
if(dumpfile==NULL){
printf("\nError opening output file\n");
return 0;
}
}
while (packet = pcap_next(handle,header)) {
disassemble_packet((u_char*)&arg, header, packet);
}
pcap_close(handle);
return 1;
}
static char* get_interface(struct mode_list_elem *data)
{
char *interface = NULL;
int check = 0;
/* check main configuration before using
the information from the specific mode */
interface = (char *)get_network_interface();
/* no interface override specified, let's use the one
from the mode config */
if(data && !interface)
{
if(data->network_interface)
{
interface = strdup(data->network_interface);
}
}
if(interface != NULL)
check = check_interface(interface);
if(interface == NULL || check != 0)
{
if(interface != NULL)
free((char *)interface);
/* no known interface configured and existing, falling back to usb0 */
interface = malloc(sizeof(default_interface)*sizeof(char));
strncpy(interface, default_interface, sizeof(default_interface));
}
check = check_interface(interface);
if(check)
log_warning("Configured interface is incorrect, nor does usb0 exists. Check your config!\n");
/* TODO: Make it so that interface configuration gets skipped when no usable interface exists */
log_debug("interface = %s\n", interface);
return interface;
}
static char* get_interface(struct mode_list_elem *data)
{
char *interface = NULL;
if(data)
{
if(data->network_interface)
{
interface = strdup(data->network_interface);
}
}
else
interface = (char *)get_network_interface();
if(interface == NULL)
{
interface = malloc(sizeof(default_interface)*sizeof(char));
strncpy(interface, default_interface, sizeof(default_interface));
}
log_debug("interface = %s\n", interface);
return interface;
}
int do_getifaddrs(int update_every, usec_t dt) {
(void)dt;
#define DELAULT_EXLUDED_INTERFACES "lo*"
#define CONFIG_SECTION_GETIFADDRS "plugin:freebsd:getifaddrs"
static int enable_new_interfaces = -1;
static int do_bandwidth_ipv4 = -1, do_bandwidth_ipv6 = -1, do_bandwidth = -1, do_packets = -1,
do_errors = -1, do_drops = -1, do_events = -1;
static SIMPLE_PATTERN *excluded_interfaces = NULL;
if (unlikely(enable_new_interfaces == -1)) {
enable_new_interfaces = config_get_boolean_ondemand(CONFIG_SECTION_GETIFADDRS,
"enable new interfaces detected at runtime",
CONFIG_BOOLEAN_AUTO);
do_bandwidth_ipv4 = config_get_boolean_ondemand(CONFIG_SECTION_GETIFADDRS, "total bandwidth for ipv4 interfaces",
CONFIG_BOOLEAN_AUTO);
do_bandwidth_ipv6 = config_get_boolean_ondemand(CONFIG_SECTION_GETIFADDRS, "total bandwidth for ipv6 interfaces",
CONFIG_BOOLEAN_AUTO);
do_bandwidth = config_get_boolean_ondemand(CONFIG_SECTION_GETIFADDRS, "bandwidth for all interfaces",
CONFIG_BOOLEAN_AUTO);
do_packets = config_get_boolean_ondemand(CONFIG_SECTION_GETIFADDRS, "packets for all interfaces",
CONFIG_BOOLEAN_AUTO);
do_errors = config_get_boolean_ondemand(CONFIG_SECTION_GETIFADDRS, "errors for all interfaces",
CONFIG_BOOLEAN_AUTO);
do_drops = config_get_boolean_ondemand(CONFIG_SECTION_GETIFADDRS, "drops for all interfaces",
CONFIG_BOOLEAN_AUTO);
do_events = config_get_boolean_ondemand(CONFIG_SECTION_GETIFADDRS, "collisions for all interfaces",
CONFIG_BOOLEAN_AUTO);
excluded_interfaces = simple_pattern_create(
config_get(CONFIG_SECTION_GETIFADDRS, "disable by default interfaces matching", DELAULT_EXLUDED_INTERFACES)
, NULL
, SIMPLE_PATTERN_EXACT
);
}
if (likely(do_bandwidth_ipv4 || do_bandwidth_ipv6 || do_bandwidth || do_packets || do_errors ||
do_drops || do_events)) {
struct ifaddrs *ifap;
if (unlikely(getifaddrs(&ifap))) {
error("FREEBSD: getifaddrs() failed");
do_bandwidth_ipv4 = 0;
error("DISABLED: system.ipv4 chart");
do_bandwidth_ipv6 = 0;
error("DISABLED: system.ipv6 chart");
do_bandwidth = 0;
error("DISABLED: net.* charts");
do_packets = 0;
error("DISABLED: net_packets.* charts");
do_errors = 0;
error("DISABLED: net_errors.* charts");
do_drops = 0;
error("DISABLED: net_drops.* charts");
do_events = 0;
error("DISABLED: net_events.* charts");
error("DISABLED: getifaddrs module");
return 1;
} else {
#define IFA_DATA(s) (((struct if_data *)ifa->ifa_data)->ifi_ ## s)
struct ifaddrs *ifa;
struct iftot {
u_long ift_ibytes;
u_long ift_obytes;
} iftot = {0, 0};
// --------------------------------------------------------------------
if (likely(do_bandwidth_ipv4)) {
iftot.ift_ibytes = iftot.ift_obytes = 0;
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr->sa_family != AF_INET)
continue;
iftot.ift_ibytes += IFA_DATA(ibytes);
iftot.ift_obytes += IFA_DATA(obytes);
}
static RRDSET *st = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if (unlikely(!st)) {
st = rrdset_create_localhost("system",
"ipv4",
NULL,
"network",
NULL,
"IPv4 Bandwidth",
"kilobits/s",
"freebsd",
"getifaddrs",
500,
update_every,
RRDSET_TYPE_AREA
);
rd_in = rrddim_add(st, "InOctets", "received", 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st, "OutOctets", "sent", -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(st);
rrddim_set_by_pointer(st, rd_in, iftot.ift_ibytes);
rrddim_set_by_pointer(st, rd_out, iftot.ift_obytes);
rrdset_done(st);
}
// --------------------------------------------------------------------
if (likely(do_bandwidth_ipv6)) {
iftot.ift_ibytes = iftot.ift_obytes = 0;
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr->sa_family != AF_INET6)
continue;
iftot.ift_ibytes += IFA_DATA(ibytes);
iftot.ift_obytes += IFA_DATA(obytes);
}
static RRDSET *st = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if (unlikely(!st)) {
st = rrdset_create_localhost("system",
"ipv6",
NULL,
"network",
NULL,
"IPv6 Bandwidth",
"kilobits/s",
"freebsd",
"getifaddrs",
500,
update_every,
RRDSET_TYPE_AREA
);
rd_in = rrddim_add(st, "received", NULL, 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st, "sent", NULL, -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(st);
rrddim_set_by_pointer(st, rd_in, iftot.ift_ibytes);
rrddim_set_by_pointer(st, rd_out, iftot.ift_obytes);
rrdset_done(st);
}
// --------------------------------------------------------------------
network_interfaces_found = 0;
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr->sa_family != AF_LINK)
continue;
struct cgroup_network_interface *ifm = get_network_interface(ifa->ifa_name);
ifm->updated = 1;
network_interfaces_found++;
if (unlikely(!ifm->configured)) {
char var_name[4096 + 1];
// this is the first time we see this network interface
// remember we configured it
ifm->configured = 1;
ifm->enabled = enable_new_interfaces;
if (likely(ifm->enabled))
ifm->enabled = !simple_pattern_matches(excluded_interfaces, ifa->ifa_name);
snprintfz(var_name, 4096, "%s:%s", CONFIG_SECTION_GETIFADDRS, ifa->ifa_name);
ifm->enabled = config_get_boolean_ondemand(var_name, "enabled", ifm->enabled);
if (unlikely(ifm->enabled == CONFIG_BOOLEAN_NO))
continue;
ifm->do_bandwidth = config_get_boolean_ondemand(var_name, "bandwidth", do_bandwidth);
ifm->do_packets = config_get_boolean_ondemand(var_name, "packets", do_packets);
ifm->do_errors = config_get_boolean_ondemand(var_name, "errors", do_errors);
ifm->do_drops = config_get_boolean_ondemand(var_name, "drops", do_drops);
ifm->do_events = config_get_boolean_ondemand(var_name, "events", do_events);
}
if (unlikely(!ifm->enabled))
continue;
// --------------------------------------------------------------------
if (ifm->do_bandwidth == CONFIG_BOOLEAN_YES || (ifm->do_bandwidth == CONFIG_BOOLEAN_AUTO &&
(IFA_DATA(ibytes) || IFA_DATA(obytes)))) {
if (unlikely(!ifm->st_bandwidth)) {
ifm->st_bandwidth = rrdset_create_localhost("net",
ifa->ifa_name,
NULL,
ifa->ifa_name,
"net.net",
"Bandwidth",
"kilobits/s",
"freebsd",
"getifaddrs",
7000,
update_every,
RRDSET_TYPE_AREA
);
ifm->rd_bandwidth_in = rrddim_add(ifm->st_bandwidth, "received", NULL, 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
ifm->rd_bandwidth_out = rrddim_add(ifm->st_bandwidth, "sent", NULL, -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(ifm->st_bandwidth);
rrddim_set_by_pointer(ifm->st_bandwidth, ifm->rd_bandwidth_in, IFA_DATA(ibytes));
rrddim_set_by_pointer(ifm->st_bandwidth, ifm->rd_bandwidth_out, IFA_DATA(obytes));
rrdset_done(ifm->st_bandwidth);
}
// --------------------------------------------------------------------
if (ifm->do_packets == CONFIG_BOOLEAN_YES || (ifm->do_packets == CONFIG_BOOLEAN_AUTO &&
(IFA_DATA(ipackets) || IFA_DATA(opackets) || IFA_DATA(imcasts) || IFA_DATA(omcasts)))) {
if (unlikely(!ifm->st_packets)) {
ifm->st_packets = rrdset_create_localhost("net_packets",
ifa->ifa_name,
NULL,
ifa->ifa_name,
"net.packets",
"Packets",
"packets/s",
"freebsd",
"getifaddrs",
7001,
update_every,
RRDSET_TYPE_LINE
);
rrdset_flag_set(ifm->st_packets, RRDSET_FLAG_DETAIL);
ifm->rd_packets_in = rrddim_add(ifm->st_packets, "received", NULL, 1, 1,
RRD_ALGORITHM_INCREMENTAL);
ifm->rd_packets_out = rrddim_add(ifm->st_packets, "sent", NULL, -1, 1,
RRD_ALGORITHM_INCREMENTAL);
ifm->rd_packets_m_in = rrddim_add(ifm->st_packets, "multicast_received", NULL, 1, 1,
RRD_ALGORITHM_INCREMENTAL);
ifm->rd_packets_m_out = rrddim_add(ifm->st_packets, "multicast_sent", NULL, -1, 1,
RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(ifm->st_packets);
rrddim_set_by_pointer(ifm->st_packets, ifm->rd_packets_in, IFA_DATA(ipackets));
rrddim_set_by_pointer(ifm->st_packets, ifm->rd_packets_out, IFA_DATA(opackets));
rrddim_set_by_pointer(ifm->st_packets, ifm->rd_packets_m_in, IFA_DATA(imcasts));
rrddim_set_by_pointer(ifm->st_packets, ifm->rd_packets_m_out, IFA_DATA(omcasts));
rrdset_done(ifm->st_packets);
}
// --------------------------------------------------------------------
if (ifm->do_errors == CONFIG_BOOLEAN_YES || (ifm->do_errors == CONFIG_BOOLEAN_AUTO &&
(IFA_DATA(ierrors) || IFA_DATA(oerrors)))) {
if (unlikely(!ifm->st_errors)) {
ifm->st_errors = rrdset_create_localhost("net_errors",
ifa->ifa_name,
NULL,
ifa->ifa_name,
"net.errors",
"Interface Errors",
"errors/s",
"freebsd",
"getifaddrs",
7002,
update_every,
RRDSET_TYPE_LINE
);
rrdset_flag_set(ifm->st_errors, RRDSET_FLAG_DETAIL);
ifm->rd_errors_in = rrddim_add(ifm->st_errors, "inbound", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
ifm->rd_errors_out = rrddim_add(ifm->st_errors, "outbound", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(ifm->st_errors);
rrddim_set_by_pointer(ifm->st_errors, ifm->rd_errors_in, IFA_DATA(ierrors));
rrddim_set_by_pointer(ifm->st_errors, ifm->rd_errors_out, IFA_DATA(oerrors));
rrdset_done(ifm->st_errors);
}
// --------------------------------------------------------------------
if (ifm->do_drops == CONFIG_BOOLEAN_YES || (ifm->do_drops == CONFIG_BOOLEAN_AUTO &&
(IFA_DATA(iqdrops)
#if __FreeBSD__ >= 11
|| IFA_DATA(oqdrops)
#endif
))) {
if (unlikely(!ifm->st_drops)) {
ifm->st_drops = rrdset_create_localhost("net_drops",
ifa->ifa_name,
NULL,
ifa->ifa_name,
"net.drops",
"Interface Drops",
"drops/s",
"freebsd",
"getifaddrs",
7003,
update_every,
RRDSET_TYPE_LINE
);
rrdset_flag_set(ifm->st_drops, RRDSET_FLAG_DETAIL);
ifm->rd_drops_in = rrddim_add(ifm->st_drops, "inbound", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
#if __FreeBSD__ >= 11
ifm->rd_drops_out = rrddim_add(ifm->st_drops, "outbound", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
#endif
} else
rrdset_next(ifm->st_drops);
rrddim_set_by_pointer(ifm->st_drops, ifm->rd_drops_in, IFA_DATA(iqdrops));
#if __FreeBSD__ >= 11
rrddim_set_by_pointer(ifm->st_drops, ifm->rd_drops_out, IFA_DATA(oqdrops));
#endif
rrdset_done(ifm->st_drops);
}
// --------------------------------------------------------------------
if (ifm->do_events == CONFIG_BOOLEAN_YES || (ifm->do_events == CONFIG_BOOLEAN_AUTO &&
IFA_DATA(collisions))) {
if (unlikely(!ifm->st_events)) {
ifm->st_events = rrdset_create_localhost("net_events",
ifa->ifa_name,
NULL,
ifa->ifa_name,
"net.events",
"Network Interface Events",
"events/s",
"freebsd",
"getifaddrs",
7006,
update_every,
RRDSET_TYPE_LINE
);
rrdset_flag_set(ifm->st_events, RRDSET_FLAG_DETAIL);
ifm->rd_events_coll = rrddim_add(ifm->st_events, "collisions", NULL, -1, 1,
RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(ifm->st_events);
rrddim_set_by_pointer(ifm->st_events, ifm->rd_events_coll, IFA_DATA(collisions));
rrdset_done(ifm->st_events);
}
}
freeifaddrs(ifap);
}
} else {
error("DISABLED: getifaddrs module");
return 1;
}
network_interfaces_cleanup();
return 0;
}
