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#include <stdlib.h>
#include <string.h>
#include <arpa/inet.h>
#include "ppp.h"
#include "ppp_ipcp.h"
#include "log.h"
#include "ipdb.h"
#include "events.h"
#include "memdebug.h"
static in_addr_t conf_wins1;
static in_addr_t conf_wins2;
static struct ipcp_option_t *wins1_init(struct ppp_ipcp_t *ipcp);
static struct ipcp_option_t *wins2_init(struct ppp_ipcp_t *ipcp);
static void wins_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt);
static int wins_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
static int wins_send_conf_nak(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
static int wins_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
static void wins1_print(void (*print)(const char *fmt, ...), struct ipcp_option_t *, uint8_t *ptr);
static void wins2_print(void (*print)(const char *fmt, ...), struct ipcp_option_t *, uint8_t *ptr);
struct wins_option_t
{
struct ipcp_option_t opt;
in_addr_t addr;
};
static struct ipcp_option_handler_t wins1_opt_hnd =
{
.init = wins1_init,
.send_conf_req = wins_send_conf_req,
.send_conf_nak = wins_send_conf_nak,
.recv_conf_req = wins_recv_conf_req,
.free = wins_free,
.print = wins1_print,
};
static struct ipcp_option_handler_t wins2_opt_hnd =
{
.init = wins2_init,
.send_conf_req = wins_send_conf_req,
.send_conf_nak = wins_send_conf_nak,
.recv_conf_req = wins_recv_conf_req,
.free = wins_free,
.print = wins2_print,
};
static struct ipcp_option_t *wins1_init(struct ppp_ipcp_t *ipcp)
{
struct wins_option_t *wins_opt = _malloc(sizeof(*wins_opt));
memset(wins_opt, 0, sizeof(*wins_opt));
wins_opt->opt.id = CI_WINS1;
wins_opt->opt.len = 6;
wins_opt->addr = conf_wins1;
return &wins_opt->opt;
}
static struct ipcp_option_t *wins2_init(struct ppp_ipcp_t *ipcp)
{
struct wins_option_t *wins_opt = _malloc(sizeof(*wins_opt));
memset(wins_opt, 0, sizeof(*wins_opt));
wins_opt->opt.id = CI_WINS2;
wins_opt->opt.len = 6;
wins_opt->addr = conf_wins2;
return &wins_opt->opt;
}
static void wins_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt)
{
struct wins_option_t *wins_opt = container_of(opt, typeof(*wins_opt), opt);
_free(wins_opt);
}
static int wins_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
{
return 0;
}
static int wins_send_conf_nak(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
{
struct wins_option_t *wins_opt = container_of(opt, typeof(*wins_opt), opt);
struct ipcp_opt32_t *opt32 = (struct ipcp_opt32_t *)ptr;
opt32->hdr.id = wins_opt->opt.id;
opt32->hdr.len = 6;
opt32->val = wins_opt->addr;
return 6;
}
static int wins_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
{
struct wins_option_t *wins_opt = container_of(opt, typeof(*wins_opt), opt);
struct ipcp_opt32_t *opt32 = (struct ipcp_opt32_t *)ptr;
if (opt32->hdr.len != 6)
return IPCP_OPT_REJ;
if (!wins_opt->addr) {
wins_opt->addr = opt32->val;
return IPCP_OPT_ACK;
}
if (wins_opt->addr == opt32->val)
return IPCP_OPT_ACK;
return IPCP_OPT_NAK;
}
static void wins1_print(void (*print)(const char *fmt, ...), struct ipcp_option_t *opt, uint8_t *ptr)
{
struct wins_option_t *wins_opt = container_of(opt, typeof(*wins_opt), opt);
struct ipcp_opt32_t *opt32 = (struct ipcp_opt32_t *)ptr;
struct in_addr in;
if (ptr)
in.s_addr = opt32->val;
else
in.s_addr = wins_opt->addr;
print("<wins1 %s>", inet_ntoa(in));
}
static void wins2_print(void (*print)(const char *fmt, ...), struct ipcp_option_t *opt, uint8_t *ptr)
{
struct wins_option_t *wins_opt = container_of(opt, typeof(*wins_opt), opt);
struct ipcp_opt32_t *opt32 = (struct ipcp_opt32_t *)ptr;
struct in_addr in;
if (ptr)
in.s_addr = opt32->val;
else
in.s_addr = wins_opt->addr;
print("<wins2 %s>", inet_ntoa(in));
}
static void ev_wins(struct ev_wins_t *ev)
{
struct wins_option_t *wins_opt;
struct ppp_t *ppp;
if (!ev->ses->ctrl->ppp)
return;
ppp = container_of(ev->ses, typeof(*ppp), ses);
wins_opt = container_of(ipcp_find_option(ppp, &wins1_opt_hnd), typeof(*wins_opt), opt);
wins_opt->addr = ev->wins1;
wins_opt = container_of(ipcp_find_option(ppp, &wins2_opt_hnd), typeof(*wins_opt), opt);
wins_opt->addr = ev->wins2;
}
static void load_config(void)
{
char *opt;
opt = conf_get_opt("wins", "wins1");
if (opt)
conf_wins1 = inet_addr(opt);
opt = conf_get_opt("wins", "wins2");
if (opt)
conf_wins2 = inet_addr(opt);
}
static void wins_opt_init()
{
ipcp_option_register(&wins1_opt_hnd);
ipcp_option_register(&wins2_opt_hnd);
load_config();
triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
triton_event_register_handler(EV_WINS, (triton_event_func)ev_wins);
}
DEFINE_INIT(4, wins_opt_init);
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