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Diffstat (limited to 'accel-pppd/ppp/ppp_ipv6cp.c')
-rw-r--r--accel-pppd/ppp/ppp_ipv6cp.c689
1 files changed, 689 insertions, 0 deletions
diff --git a/accel-pppd/ppp/ppp_ipv6cp.c b/accel-pppd/ppp/ppp_ipv6cp.c
new file mode 100644
index 0000000..a7d2ad2
--- /dev/null
+++ b/accel-pppd/ppp/ppp_ipv6cp.c
@@ -0,0 +1,689 @@
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include "linux_ppp.h"
+
+#include "triton.h"
+
+#include "log.h"
+
+#include "ppp.h"
+#include "ppp_ipv6cp.h"
+
+#include "memdebug.h"
+
+struct recv_opt_t
+{
+ struct list_head entry;
+ struct ipv6cp_opt_hdr_t *hdr;
+ int len;
+ int state;
+ struct ipv6cp_option_t *lopt;
+};
+
+static int conf_ipv6 = 2; // 0 - disables, 1 - allow, 2 - require
+
+static LIST_HEAD(option_handlers);
+
+static void ipv6cp_layer_up(struct ppp_fsm_t*);
+static void ipv6cp_layer_down(struct ppp_fsm_t*);
+static int send_conf_req(struct ppp_fsm_t*);
+static void send_conf_ack(struct ppp_fsm_t*);
+static void send_conf_nak(struct ppp_fsm_t*);
+static void send_conf_rej(struct ppp_fsm_t*);
+static void ipv6cp_recv(struct ppp_handler_t*);
+static void send_term_req(struct ppp_fsm_t *fsm);
+static void send_term_ack(struct ppp_fsm_t *fsm);
+
+static void ipv6cp_options_init(struct ppp_ipv6cp_t *ipv6cp)
+{
+ struct ipv6cp_option_t *lopt;
+ struct ipv6cp_option_handler_t *h;
+
+ ipv6cp->conf_req_len = sizeof(struct ipv6cp_hdr_t);
+
+ list_for_each_entry(h,&option_handlers,entry) {
+ lopt = h->init(ipv6cp);
+ if (lopt) {
+ lopt->h = h;
+ list_add_tail(&lopt->entry, &ipv6cp->options);
+ ipv6cp->conf_req_len += lopt->len;
+ }
+ }
+}
+
+static void ipv6cp_options_free(struct ppp_ipv6cp_t *ipv6cp)
+{
+ struct ipv6cp_option_t *lopt;
+
+ while (!list_empty(&ipv6cp->options)) {
+ lopt = list_entry(ipv6cp->options.next, typeof(*lopt), entry);
+ list_del(&lopt->entry);
+ lopt->h->free(ipv6cp, lopt);
+ }
+}
+
+static struct ppp_layer_data_t *ipv6cp_layer_init(struct ppp_t *ppp)
+{
+ struct ppp_ipv6cp_t *ipv6cp = _malloc(sizeof(*ipv6cp));
+ memset(ipv6cp, 0, sizeof(*ipv6cp));
+
+ log_ppp_debug("ipv6cp_layer_init\n");
+
+ ipv6cp->ppp = ppp;
+ ipv6cp->fsm.ppp = ppp;
+
+ ipv6cp->hnd.proto = PPP_IPV6CP;
+ ipv6cp->hnd.recv = ipv6cp_recv;
+
+ ppp_register_unit_handler(ppp, &ipv6cp->hnd);
+
+ ipv6cp->fsm.proto = PPP_IPV6CP;
+ ppp_fsm_init(&ipv6cp->fsm);
+
+ ipv6cp->fsm.layer_up = ipv6cp_layer_up;
+ ipv6cp->fsm.layer_finished = ipv6cp_layer_down;
+ ipv6cp->fsm.send_conf_req = send_conf_req;
+ ipv6cp->fsm.send_conf_ack = send_conf_ack;
+ ipv6cp->fsm.send_conf_nak = send_conf_nak;
+ ipv6cp->fsm.send_conf_rej = send_conf_rej;
+ ipv6cp->fsm.send_term_req = send_term_req;
+ ipv6cp->fsm.send_term_ack = send_term_ack;
+
+ INIT_LIST_HEAD(&ipv6cp->options);
+ INIT_LIST_HEAD(&ipv6cp->ropt_list);
+
+ ipv6cp->passive = conf_ipv6 == 1;
+
+ ipv6cp_options_init(ipv6cp);
+
+ return &ipv6cp->ld;
+}
+
+int ipv6cp_layer_start(struct ppp_layer_data_t *ld)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(ld, typeof(*ipv6cp), ld);
+
+ log_ppp_debug("ipv6cp_layer_start\n");
+
+ if (!conf_ipv6) {
+ ppp_layer_started(ipv6cp->ppp, &ipv6cp->ld);
+ return 0;
+ }
+
+ ppp_fsm_lower_up(&ipv6cp->fsm);
+ if (ppp_fsm_open(&ipv6cp->fsm))
+ return -1;
+
+ return 0;
+}
+
+void ipv6cp_layer_finish(struct ppp_layer_data_t *ld)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(ld, typeof(*ipv6cp), ld);
+
+ log_ppp_debug("ipv6cp_layer_finish\n");
+
+ ipv6cp->fsm.fsm_state = FSM_Closed;
+
+ log_ppp_debug("ipv6cp_layer_finished\n");
+ ppp_layer_finished(ipv6cp->ppp, &ipv6cp->ld);
+}
+
+void ipv6cp_layer_free(struct ppp_layer_data_t *ld)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(ld, typeof(*ipv6cp), ld);
+
+ log_ppp_debug("ipv6cp_layer_free\n");
+
+ ppp_unregister_handler(ipv6cp->ppp, &ipv6cp->hnd);
+ ipv6cp_options_free(ipv6cp);
+ ppp_fsm_free(&ipv6cp->fsm);
+
+ _free(ipv6cp);
+}
+
+static void ipv6cp_layer_up(struct ppp_fsm_t *fsm)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(fsm, typeof(*ipv6cp), fsm);
+
+ log_ppp_debug("ipv6cp_layer_started\n");
+
+ if (!ipv6cp->started) {
+ ipv6cp->started = 1;
+ ppp_layer_started(ipv6cp->ppp, &ipv6cp->ld);
+ }
+}
+
+static void ipv6cp_layer_down(struct ppp_fsm_t *fsm)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(fsm, typeof(*ipv6cp), fsm);
+
+ log_ppp_debug("ipv6cp_layer_finished\n");
+
+ if (ipv6cp->started) {
+ ipv6cp->started = 0;
+ ppp_layer_finished(ipv6cp->ppp, &ipv6cp->ld);
+ } else
+ ppp_terminate(ipv6cp->ppp, TERM_NAS_ERROR, 0);
+}
+
+static void print_ropt(struct recv_opt_t *ropt)
+{
+ int i;
+ uint8_t *ptr = (uint8_t*)ropt->hdr;
+
+ log_ppp_info2("<");
+ for (i = 0; i < ropt->len; i++) {
+ log_ppp_info2(" %x", ptr[i]);
+ }
+ log_ppp_info2(" >");
+}
+
+static int send_conf_req(struct ppp_fsm_t *fsm)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(fsm, typeof(*ipv6cp), fsm);
+ uint8_t *buf = _malloc(ipv6cp->conf_req_len), *ptr = buf;
+ struct ipv6cp_hdr_t *ipv6cp_hdr = (struct ipv6cp_hdr_t*)ptr;
+ struct ipv6cp_option_t *lopt;
+ int n;
+
+ if (ipv6cp->passive)
+ return 0;
+
+ ipv6cp_hdr->proto = htons(PPP_IPV6CP);
+ ipv6cp_hdr->code = CONFREQ;
+ ipv6cp_hdr->id = ++ipv6cp->fsm.id;
+ ipv6cp_hdr->len = 0;
+
+ ptr += sizeof(*ipv6cp_hdr);
+
+ list_for_each_entry(lopt, &ipv6cp->options, entry) {
+ n = lopt->h->send_conf_req(ipv6cp, lopt, ptr);
+ if (n < 0)
+ return -1;
+ if (n) {
+ ptr += n;
+ lopt->print = 1;
+ } else
+ lopt->print = 0;
+ }
+
+ if (conf_ppp_verbose) {
+ log_ppp_info2("send [IPV6CP ConfReq id=%x", ipv6cp_hdr->id);
+ list_for_each_entry(lopt,&ipv6cp->options,entry) {
+ if (lopt->print) {
+ log_ppp_info2(" ");
+ lopt->h->print(log_ppp_info2, lopt, NULL);
+ }
+ }
+ log_ppp_info2("]\n");
+ }
+
+ ipv6cp_hdr->len = htons(ptr - buf - 2);
+ ppp_unit_send(ipv6cp->ppp, ipv6cp_hdr, ptr - buf);
+
+ _free(buf);
+
+ return 0;
+}
+
+static void send_conf_ack(struct ppp_fsm_t *fsm)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(fsm, typeof(*ipv6cp), fsm);
+ struct ipv6cp_hdr_t *hdr = (struct ipv6cp_hdr_t*)ipv6cp->ppp->buf;
+
+ hdr->code = CONFACK;
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("send [IPV6CP ConfAck id=%x]\n", ipv6cp->fsm.recv_id);
+
+ ppp_unit_send(ipv6cp->ppp, hdr, ntohs(hdr->len) + 2);
+}
+
+static void send_conf_nak(struct ppp_fsm_t *fsm)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(fsm, typeof(*ipv6cp), fsm);
+ uint8_t *buf = _malloc(ipv6cp->conf_req_len), *ptr = buf, *ptr1;
+ struct ipv6cp_hdr_t *ipv6cp_hdr = (struct ipv6cp_hdr_t*)ptr;
+ struct recv_opt_t *ropt;
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("send [IPV6CP ConfNak id=%x", ipv6cp->fsm.recv_id);
+
+ ipv6cp_hdr->proto = htons(PPP_IPV6CP);
+ ipv6cp_hdr->code = CONFNAK;
+ ipv6cp_hdr->id = ipv6cp->fsm.recv_id;
+ ipv6cp_hdr->len = 0;
+
+ ptr += sizeof(*ipv6cp_hdr);
+
+ list_for_each_entry(ropt, &ipv6cp->ropt_list, entry) {
+ if (ropt->state == IPV6CP_OPT_NAK) {
+ ptr1 = ptr;
+ ptr += ropt->lopt->h->send_conf_nak(ipv6cp, ropt->lopt, ptr);
+ if (conf_ppp_verbose) {
+ log_ppp_info2(" ");
+ ropt->lopt->h->print(log_ppp_info2, ropt->lopt, ptr1);
+ }
+ }
+ }
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("]\n");
+
+ ipv6cp_hdr->len = htons(ptr-buf-2);
+ ppp_unit_send(ipv6cp->ppp, ipv6cp_hdr, ptr - buf);
+
+ _free(buf);
+}
+
+static void send_conf_rej(struct ppp_fsm_t *fsm)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(fsm, typeof(*ipv6cp), fsm);
+ uint8_t *buf = _malloc(ipv6cp->ropt_len + sizeof(struct ipv6cp_hdr_t)), *ptr = buf;
+ struct ipv6cp_hdr_t *ipv6cp_hdr = (struct ipv6cp_hdr_t*)ptr;
+ struct recv_opt_t *ropt;
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("send [IPV6CP ConfRej id=%x", ipv6cp->fsm.recv_id);
+
+ ipv6cp_hdr->proto = htons(PPP_IPV6CP);
+ ipv6cp_hdr->code = CONFREJ;
+ ipv6cp_hdr->id = ipv6cp->fsm.recv_id;
+ ipv6cp_hdr->len = 0;
+
+ ptr += sizeof(*ipv6cp_hdr);
+
+ list_for_each_entry(ropt, &ipv6cp->ropt_list, entry) {
+ if (ropt->state == IPV6CP_OPT_REJ) {
+ if (conf_ppp_verbose) {
+ log_ppp_info2(" ");
+ if (ropt->lopt)
+ ropt->lopt->h->print(log_ppp_info2, ropt->lopt, (uint8_t*)ropt->hdr);
+ else
+ print_ropt(ropt);
+ }
+ memcpy(ptr, ropt->hdr, ropt->len);
+ ptr += ropt->len;
+ }
+ }
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("]\n");
+
+ ipv6cp_hdr->len = htons(ptr - buf - 2);
+ ppp_unit_send(ipv6cp->ppp, ipv6cp_hdr, ptr-buf);
+
+ _free(buf);
+}
+
+static int ipv6cp_recv_conf_req(struct ppp_ipv6cp_t *ipv6cp, uint8_t *data, int size)
+{
+ struct ipv6cp_opt_hdr_t *hdr;
+ struct recv_opt_t *ropt;
+ struct ipv6cp_option_t *lopt;
+ int r,ret = 1;
+
+ ipv6cp->ropt_len = size;
+
+ while (size > 0) {
+ hdr = (struct ipv6cp_opt_hdr_t *)data;
+
+ ropt = _malloc(sizeof(*ropt));
+ memset(ropt, 0, sizeof(*ropt));
+
+ if (hdr->len > size)
+ ropt->len = size;
+ else
+ ropt->len = hdr->len;
+ ropt->hdr = hdr;
+ ropt->state = IPV6CP_OPT_NONE;
+ list_add_tail(&ropt->entry, &ipv6cp->ropt_list);
+
+ data += ropt->len;
+ size -= ropt->len;
+ }
+
+ list_for_each_entry(lopt, &ipv6cp->options, entry)
+ lopt->state=IPV6CP_OPT_NONE;
+
+ if (conf_ppp_verbose) {
+ log_ppp_info2("recv [IPV6CP ConfReq id=%x", ipv6cp->fsm.recv_id);
+
+ list_for_each_entry(ropt, &ipv6cp->ropt_list, entry) {
+ list_for_each_entry(lopt, &ipv6cp->options, entry) {
+ if (lopt->id == ropt->hdr->id) {
+ ropt->lopt = lopt;
+ log_ppp_info2(" ");
+ lopt->h->print(log_ppp_info2, lopt, (uint8_t*)ropt->hdr);
+ break;
+ }
+ }
+ if (!ropt->lopt) {
+ log_ppp_info2(" ");
+ print_ropt(ropt);
+ }
+ }
+ log_ppp_info2("]\n");
+ }
+
+ list_for_each_entry(ropt, &ipv6cp->ropt_list, entry) {
+ list_for_each_entry(lopt, &ipv6cp->options, entry) {
+ if (lopt->id == ropt->hdr->id) {
+ r = lopt->h->recv_conf_req(ipv6cp, lopt, (uint8_t*)ropt->hdr);
+ if (ipv6cp->ppp->stop_time)
+ return -1;
+ lopt->state = r;
+ ropt->state = r;
+ ropt->lopt = lopt;
+ if (r < ret)
+ ret = r;
+ break;
+ }
+ }
+ if (!ropt->lopt) {
+ ropt->state = IPV6CP_OPT_REJ;
+ ret = IPV6CP_OPT_REJ;
+ }
+ }
+
+
+ /*list_for_each_entry(lopt,&ipv6cp->options,entry)
+ {
+ if (lopt->state==IPV6CP_OPT_NONE)
+ {
+ r=lopt->h->recv_conf_req(ipv6cp,lopt,NULL);
+ lopt->state=r;
+ if (r<ret) ret=r;
+ }
+ }*/
+
+ return ret;
+}
+
+static void ipv6cp_free_conf_req(struct ppp_ipv6cp_t *ipv6cp)
+{
+ struct recv_opt_t *ropt;
+
+ while (!list_empty(&ipv6cp->ropt_list)) {
+ ropt = list_entry(ipv6cp->ropt_list.next, typeof(*ropt), entry);
+ list_del(&ropt->entry);
+ _free(ropt);
+ }
+}
+
+static int ipv6cp_recv_conf_rej(struct ppp_ipv6cp_t *ipv6cp, uint8_t *data, int size)
+{
+ struct ipv6cp_opt_hdr_t *hdr;
+ struct ipv6cp_option_t *lopt;
+ int res = 0;
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("recv [IPV6CP ConfRej id=%x", ipv6cp->fsm.recv_id);
+
+ if (ipv6cp->fsm.recv_id != ipv6cp->fsm.id) {
+ if (conf_ppp_verbose)
+ log_ppp_info2(": id mismatch ]\n");
+ return 0;
+ }
+
+ while (size > 0) {
+ hdr = (struct ipv6cp_opt_hdr_t *)data;
+
+ list_for_each_entry(lopt, &ipv6cp->options, entry) {
+ if (lopt->id == hdr->id) {
+ if (!lopt->h->recv_conf_rej)
+ res = -1;
+ else if (lopt->h->recv_conf_rej(ipv6cp, lopt, data))
+ res = -1;
+ break;
+ }
+ }
+
+ data += hdr->len;
+ size -= hdr->len;
+ }
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("]\n");
+
+ return res;
+}
+
+static int ipv6cp_recv_conf_nak(struct ppp_ipv6cp_t *ipv6cp, uint8_t *data, int size)
+{
+ struct ipv6cp_opt_hdr_t *hdr;
+ struct ipv6cp_option_t *lopt;
+ int res = 0;
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("recv [IPV6CP ConfNak id=%x", ipv6cp->fsm.recv_id);
+
+ if (ipv6cp->fsm.recv_id != ipv6cp->fsm.id) {
+ if (conf_ppp_verbose)
+ log_ppp_info2(": id mismatch ]\n");
+ return 0;
+ }
+
+ while (size > 0) {
+ hdr = (struct ipv6cp_opt_hdr_t *)data;
+
+ list_for_each_entry(lopt, &ipv6cp->options, entry) {
+ if (lopt->id == hdr->id) {
+ if (conf_ppp_verbose) {
+ log_ppp_info2(" ");
+ lopt->h->print(log_ppp_info2,lopt,data);
+ }
+ if (lopt->h->recv_conf_nak && lopt->h->recv_conf_nak(ipv6cp, lopt, data))
+ res =- 1;
+ break;
+ }
+ }
+
+ data += hdr->len;
+ size -= hdr->len;
+ }
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("]\n");
+
+ return res;
+}
+
+static int ipv6cp_recv_conf_ack(struct ppp_ipv6cp_t *ipv6cp, uint8_t *data, int size)
+{
+ struct ipv6cp_opt_hdr_t *hdr;
+ struct ipv6cp_option_t *lopt;
+ int res = 0;
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("recv [IPV6CP ConfAck id=%x", ipv6cp->fsm.recv_id);
+
+ if (ipv6cp->fsm.recv_id != ipv6cp->fsm.id) {
+ if (conf_ppp_verbose)
+ log_ppp_info2(": id mismatch ]\n");
+ return 0;
+ }
+
+ while (size > 0) {
+ hdr = (struct ipv6cp_opt_hdr_t *)data;
+
+ list_for_each_entry(lopt, &ipv6cp->options, entry) {
+ if (lopt->id == hdr->id) {
+ if (conf_ppp_verbose) {
+ log_ppp_info2(" ");
+ lopt->h->print(log_ppp_info2, lopt, data);
+ }
+ if (!lopt->h->recv_conf_ack)
+ break;
+ if (lopt->h->recv_conf_ack(ipv6cp, lopt, data))
+ res = -1;
+ break;
+ }
+ }
+
+ data += hdr->len;
+ size -= hdr->len;
+ }
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("]\n");
+
+ return res;
+}
+
+static void send_term_req(struct ppp_fsm_t *fsm)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(fsm, typeof(*ipv6cp), fsm);
+ struct ipv6cp_hdr_t hdr = {
+ .proto = htons(PPP_IPV6CP),
+ .code = TERMREQ,
+ .id = ++ipv6cp->fsm.id,
+ .len = htons(4),
+ };
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("send [IPV6CP TermReq id=%i]\n", hdr.id);
+
+ ppp_unit_send(ipv6cp->ppp, &hdr, 6);
+}
+
+static void send_term_ack(struct ppp_fsm_t *fsm)
+{
+ struct ppp_ipv6cp_t *ipv6cp = container_of(fsm, typeof(*ipv6cp), fsm);
+ struct ipv6cp_hdr_t hdr = {
+ .proto = htons(PPP_IPV6CP),
+ .code = TERMACK,
+ .id = ipv6cp->fsm.recv_id,
+ .len = htons(4),
+ };
+
+ if (conf_ppp_verbose)
+ log_ppp_info2("send [IPV6CP TermAck id=%i]\n", hdr.id);
+
+ ppp_unit_send(ipv6cp->ppp, &hdr, 6);
+}
+
+static void ipv6cp_recv(struct ppp_handler_t*h)
+{
+ struct ipv6cp_hdr_t *hdr;
+ struct ppp_ipv6cp_t *ipv6cp = container_of(h, typeof(*ipv6cp), hnd);
+ int r;
+
+ if (!conf_ipv6) {
+ lcp_send_proto_rej(ipv6cp->ppp, PPP_IPV6CP);
+ return;
+ }
+
+ if (ipv6cp->fsm.fsm_state == FSM_Initial || ipv6cp->fsm.fsm_state == FSM_Closed || ipv6cp->ppp->terminating) {
+ if (conf_ppp_verbose)
+ log_ppp_warn("IPV6CP: discarding packet\n");
+ return;
+ }
+
+ if (ipv6cp->ppp->buf_size < PPP_HEADERLEN + 2) {
+ log_ppp_warn("IPV6CP: short packet received\n");
+ return;
+ }
+
+ hdr = (struct ipv6cp_hdr_t *)ipv6cp->ppp->buf;
+ if (ntohs(hdr->len) < PPP_HEADERLEN) {
+ log_ppp_warn("IPV6CP: short packet received\n");
+ return;
+ }
+
+ ipv6cp->fsm.recv_id = hdr->id;
+ switch(hdr->code) {
+ case CONFREQ:
+ r = ipv6cp_recv_conf_req(ipv6cp,(uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
+ if (ipv6cp->ppp->stop_time) {
+ ipv6cp_free_conf_req(ipv6cp);
+ return;
+ }
+ switch(r) {
+ case IPV6CP_OPT_ACK:
+ ppp_fsm_recv_conf_req_ack(&ipv6cp->fsm);
+ break;
+ case IPV6CP_OPT_NAK:
+ ppp_fsm_recv_conf_req_nak(&ipv6cp->fsm);
+ break;
+ case IPV6CP_OPT_REJ:
+ ppp_fsm_recv_conf_req_rej(&ipv6cp->fsm);
+ break;
+ }
+ ipv6cp_free_conf_req(ipv6cp);
+ if (r == IPV6CP_OPT_FAIL)
+ ppp_terminate(ipv6cp->ppp, TERM_USER_ERROR, 0);
+ else if (ipv6cp->passive) {
+ ipv6cp->passive = 0;
+ send_conf_req(&ipv6cp->fsm);
+ }
+ break;
+ case CONFACK:
+ if (ipv6cp_recv_conf_ack(ipv6cp,(uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN))
+ ppp_terminate(ipv6cp->ppp, TERM_USER_ERROR, 0);
+ else
+ ppp_fsm_recv_conf_ack(&ipv6cp->fsm);
+ break;
+ case CONFNAK:
+ ipv6cp_recv_conf_nak(ipv6cp,(uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
+ ppp_fsm_recv_conf_rej(&ipv6cp->fsm);
+ break;
+ case CONFREJ:
+ if (ipv6cp_recv_conf_rej(ipv6cp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN))
+ ppp_terminate(ipv6cp->ppp, TERM_USER_ERROR, 0);
+ else
+ ppp_fsm_recv_conf_rej(&ipv6cp->fsm);
+ break;
+ case TERMREQ:
+ if (conf_ppp_verbose)
+ log_ppp_info2("recv [IPV6CP TermReq id=%x]\n", hdr->id);
+ ppp_fsm_recv_term_req(&ipv6cp->fsm);
+ break;
+ case TERMACK:
+ if (conf_ppp_verbose)
+ log_ppp_info2("recv [IPV6CP TermAck id=%x]\n", hdr->id);
+ //ppp_fsm_recv_term_ack(&ipv6cp->fsm);
+ //ppp_terminate(ipv6cp->ppp, 0);
+ break;
+ case CODEREJ:
+ if (conf_ppp_verbose)
+ log_ppp_info2("recv [IPV6CP CodeRej id=%x]\n", hdr->id);
+ ppp_fsm_recv_code_rej_bad(&ipv6cp->fsm);
+ break;
+ default:
+ ppp_fsm_recv_unk(&ipv6cp->fsm);
+ break;
+ }
+}
+
+int ipv6cp_option_register(struct ipv6cp_option_handler_t *h)
+{
+ /*struct ipv6cp_option_drv_t *p;
+
+ list_for_each_entry(p,option_drv_list,entry)
+ if (p->id==h->id)
+ return -1;*/
+
+ list_add_tail(&h->entry, &option_handlers);
+
+ return 0;
+}
+
+static struct ppp_layer_t ipv6cp_layer =
+{
+ .init = ipv6cp_layer_init,
+ .start = ipv6cp_layer_start,
+ .finish = ipv6cp_layer_finish,
+ .free = ipv6cp_layer_free,
+};
+
+static void ipv6cp_init(void)
+{
+ ppp_register_layer("ipv6cp", &ipv6cp_layer);
+}
+
+DEFINE_INIT(4, ipv6cp_init);
+
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-06 01:39:13 +0000