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#include "./config.h"
#include "states.h"
#include <math.h>
#include <netinet/in.h>
#include "./check_icmp_helpers.h"
#include "../../plugins/netutils.h"
// timeout as a global variable to make it available to the timeout handler
unsigned int timeout = DEFAULT_TIMEOUT;
check_icmp_config check_icmp_config_init() {
check_icmp_config tmp = {
.order_mode = false,
.mos_mode = false,
.rta_mode = false,
.pl_mode = false,
.jitter_mode = false,
.score_mode = false,
.min_hosts_alive = -1,
.crit = {.pl = DEFAULT_CRIT_PL,
.rta = DEFAULT_CRIT_RTA,
.jitter = 50.0,
.mos = 3.0,
.score = 70.0},
.warn = {.pl = DEFAULT_WARN_PL,
.rta = DEFAULT_WARN_RTA,
.jitter = 40.0,
.mos = 3.5,
.score = 80.0},
.ttl = DEFAULT_TTL,
.icmp_data_size = DEFAULT_PING_DATA_SIZE,
.icmp_pkt_size = DEFAULT_PING_DATA_SIZE + ICMP_MINLEN,
.pkt_interval = DEFAULT_PKT_INTERVAL,
.target_interval = 0,
.number_of_packets = DEFAULT_NUMBER_OF_PACKETS,
.source_ip = NULL,
.sender_id = {},
.mode = MODE_RTA,
.number_of_targets = 0,
.targets = NULL,
.number_of_hosts = 0,
.hosts = NULL,
};
return tmp;
}
ping_target ping_target_init() {
ping_target tmp = {
.rtmin = INFINITY,
.jitter_min = INFINITY,
.rta_status = STATE_OK,
.jitter_status = STATE_OK,
.mos_status = STATE_OK,
.score_status = STATE_OK,
.pl_status = STATE_OK,
.order_status = STATE_OK,
};
return tmp;
}
check_icmp_state check_icmp_state_init() {
check_icmp_state tmp = {.icmp_sent = 0, .icmp_lost = 0, .icmp_recv = 0, .targets_down = 0};
return tmp;
}
ping_target_create_wrapper ping_target_create(char *name, struct sockaddr_storage *address) {
struct sockaddr_in *sin;
struct sockaddr_in6 *sin6;
if (address_family == AF_INET) {
sin = (struct sockaddr_in *)address;
} else {
sin6 = (struct sockaddr_in6 *)address;
}
ping_target_create_wrapper result = {
.errorcode = OK,
};
/* disregard obviously stupid addresses
* (I didn't find an ipv6 equivalent to INADDR_NONE) */
if (((address_family == AF_INET &&
(sin->sin_addr.s_addr == INADDR_NONE || sin->sin_addr.s_addr == INADDR_ANY))) ||
(address_family == AF_INET6 && (sin6->sin6_addr.s6_addr == in6addr_any.s6_addr))) {
result.errorcode = ERROR;
return result;
}
// TODO: Maybe add the following back in as a sanity check for the config
// /* no point in adding two identical IP's, so don't. ;) */
// struct sockaddr_in *host_sin;
// struct sockaddr_in6 *host_sin6;
// struct rta_host *host = host_list;
// while (host) {
// host_sin = (struct sockaddr_in *)&host->saddr_in;
// host_sin6 = (struct sockaddr_in6 *)&host->saddr_in;
// if ((address_family == AF_INET && host_sin->sin_addr.s_addr == sin->sin_addr.s_addr) ||
// (address_family == AF_INET6 &&
// host_sin6->sin6_addr.s6_addr == sin6->sin6_addr.s6_addr)) {
// if (debug) {
// printf("Identical IP already exists. Not adding %s\n", name);
// }
// return -1;
// }
// host = host->next;
// }
/* add the fresh ip */
ping_target host = ping_target_init();
/* set the values. use calling name for output */
host.name = strdup(name);
/* fill out the sockaddr_storage struct */
if (address_family == AF_INET) {
struct sockaddr_in *host_sin = (struct sockaddr_in *)&host.saddr_in;
host_sin->sin_family = AF_INET;
host_sin->sin_addr.s_addr = sin->sin_addr.s_addr;
} else {
struct sockaddr_in6 *host_sin6 = (struct sockaddr_in6 *)&host.saddr_in;
host_sin6->sin6_family = AF_INET6;
memcpy(host_sin6->sin6_addr.s6_addr, sin6->sin6_addr.s6_addr,
sizeof host_sin6->sin6_addr.s6_addr);
}
result.host = host;
return result;
}
check_icmp_target_container check_icmp_target_container_init() {
check_icmp_target_container tmp = {
.name = NULL,
.number_of_targets = 0,
.target_list = NULL,
};
return tmp;
}
unsigned int ping_target_list_append(ping_target *list, ping_target *elem) {
if (elem == NULL || list == NULL) {
return 0;
}
while (list->next != NULL) {
list = list->next;
}
list->next = elem;
unsigned int result = 1;
while (elem->next != NULL) {
result++;
elem = elem->next;
}
return result;
}
void check_icmp_timeout_handler(int signal, siginfo_t *info, void *ucontext) {
// Ignore unused arguments
(void)info;
(void)ucontext;
mp_subcheck timeout_sc = mp_subcheck_init();
timeout_sc = mp_set_subcheck_state(timeout_sc, socket_timeout_state);
if (signal == SIGALRM) {
xasprintf(&timeout_sc.output, _("timeout after %d seconds\n"), timeout);
} else {
xasprintf(&timeout_sc.output, _("timeout after %d seconds\n"), timeout);
}
mp_check overall = mp_check_init();
mp_add_subcheck_to_check(&overall, timeout_sc);
mp_exit(overall);
}
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