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Diffstat (limited to 'accel-pptpd/ppp/ppp_ccp.c')
-rw-r--r--accel-pptpd/ppp/ppp_ccp.c759
1 files changed, 0 insertions, 759 deletions
diff --git a/accel-pptpd/ppp/ppp_ccp.c b/accel-pptpd/ppp/ppp_ccp.c
deleted file mode 100644
index 721dd9b..0000000
--- a/accel-pptpd/ppp/ppp_ccp.c
+++ /dev/null
@@ -1,759 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include "linux_ppp.h"
-
-#include "triton.h"
-
-#include "log.h"
-#include "events.h"
-
-#include "ppp.h"
-#include "ppp_ccp.h"
-
-#include "memdebug.h"
-
-struct recv_opt_t
-{
- struct list_head entry;
- struct ccp_opt_hdr_t *hdr;
- int len;
- int state;
- struct ccp_option_t *lopt;
-};
-
-static int conf_ccp = 1;
-
-static struct ppp_layer_t ccp_layer;
-static LIST_HEAD(option_handlers);
-
-static void ccp_layer_up(struct ppp_fsm_t*);
-static void ccp_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 send_term_req(struct ppp_fsm_t *fsm);
-static void send_term_ack(struct ppp_fsm_t *fsm);
-static void ccp_recv(struct ppp_handler_t*);
-static void ccp_recv_proto_rej(struct ppp_handler_t*);
-
-static void ccp_options_init(struct ppp_ccp_t *ccp)
-{
- struct ccp_option_t *lopt;
- struct ccp_option_handler_t *h;
-
- ccp->conf_req_len = sizeof(struct ccp_hdr_t);
-
- list_for_each_entry(h, &option_handlers, entry) {
- lopt = h->init(ccp);
- if (lopt) {
- lopt->h = h;
- list_add_tail(&lopt->entry, &ccp->options);
- ccp->conf_req_len += lopt->len;
- }
- }
-}
-
-static void ccp_options_free(struct ppp_ccp_t *ccp)
-{
- struct ccp_option_t *lopt;
-
- while (!list_empty(&ccp->options)) {
- lopt = list_entry(ccp->options.next, typeof(*lopt), entry);
- list_del(&lopt->entry);
- lopt->h->free(ccp, lopt);
- }
-}
-
-static int ccp_set_flags(int fd, int isopen, int isup)
-{
- int flags;
-
- if (ioctl(fd, PPPIOCGFLAGS, &flags)) {
- log_ppp_error("ccp: failed to get flags: %s\n", strerror(errno));
- return -1;
- }
-
- flags &= ~(SC_CCP_OPEN | SC_CCP_UP);
- flags |= (isopen ? SC_CCP_OPEN : 0) | (isup ? SC_CCP_UP : 0);
-
- if (ioctl(fd, PPPIOCSFLAGS, &flags)) {
- log_ppp_error("ccp: failed to set flags: %s\n", strerror(errno));
- return -1;
- }
-
- return 0;
-}
-
-static struct ppp_layer_data_t *ccp_layer_init(struct ppp_t *ppp)
-{
- struct ppp_ccp_t *ccp = _malloc(sizeof(*ccp));
- memset(ccp, 0, sizeof(*ccp));
-
- log_ppp_debug("ccp_layer_init\n");
-
- ccp->ppp = ppp;
- ccp->fsm.ppp = ppp;
-
- ccp->hnd.proto = PPP_CCP;
- ccp->hnd.recv = ccp_recv;
- ccp->hnd.recv_proto_rej = ccp_recv_proto_rej;
-
- ppp_register_unit_handler(ppp, &ccp->hnd);
-
- INIT_LIST_HEAD(&ccp->options);
- ccp_options_init(ccp);
-
- ccp->passive = 0;
-
- ccp->fsm.proto = PPP_CCP;
- ppp_fsm_init(&ccp->fsm);
-
- ccp->fsm.layer_up = ccp_layer_up;
- ccp->fsm.layer_finished = ccp_layer_down;
- ccp->fsm.send_conf_req = send_conf_req;
- ccp->fsm.send_conf_ack = send_conf_ack;
- ccp->fsm.send_conf_nak = send_conf_nak;
- ccp->fsm.send_conf_rej = send_conf_rej;
- ccp->fsm.send_term_req = send_term_req;
- ccp->fsm.send_term_ack = send_term_ack;
-
- INIT_LIST_HEAD(&ccp->ropt_list);
-
- return &ccp->ld;
-}
-
-int ccp_layer_start(struct ppp_layer_data_t *ld)
-{
- struct ppp_ccp_t *ccp = container_of(ld, typeof(*ccp), ld);
-
- log_ppp_debug("ccp_layer_start\n");
-
- if (list_empty(&ccp->options) || !conf_ccp) {
- ppp_layer_started(ccp->ppp, &ccp->ld);
- return 0;
- }
-
- ppp_fsm_lower_up(&ccp->fsm);
- if (ppp_fsm_open(&ccp->fsm))
- return -1;
-
- if (ccp_set_flags(ccp->ppp->unit_fd, 1, 0)) {
- ppp_fsm_close(&ccp->fsm);
- return -1;
- }
-
- return 0;
-}
-
-void ccp_layer_finish(struct ppp_layer_data_t *ld)
-{
- struct ppp_ccp_t *ccp = container_of(ld, typeof(*ccp), ld);
-
- log_ppp_debug("ccp_layer_finish\n");
-
- ccp_set_flags(ccp->ppp->unit_fd, 0, 0);
-
- ccp->fsm.fsm_state = FSM_Closed;
-
- log_ppp_debug("ccp_layer_finished\n");
- ppp_layer_finished(ccp->ppp, &ccp->ld);
-}
-
-void ccp_layer_free(struct ppp_layer_data_t *ld)
-{
- struct ppp_ccp_t *ccp = container_of(ld, typeof(*ccp), ld);
-
- log_ppp_debug("ccp_layer_free\n");
-
- ppp_unregister_handler(ccp->ppp, &ccp->hnd);
- ccp_options_free(ccp);
- ppp_fsm_free(&ccp->fsm);
-
- _free(ccp);
-}
-
-static void ccp_layer_up(struct ppp_fsm_t *fsm)
-{
- struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
-
- log_ppp_debug("ccp_layer_started\n");
-
- if (!ccp->started) {
- ccp->started = 1;
- if (ccp_set_flags(ccp->ppp->unit_fd, 1, 1)) {
- ppp_terminate(ccp->ppp, TERM_NAS_ERROR, 0);
- return;
- }
- ppp_layer_started(ccp->ppp, &ccp->ld);
- }
-}
-
-static void ccp_layer_down(struct ppp_fsm_t *fsm)
-{
- struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
-
- log_ppp_debug("ccp_layer_finished\n");
-
- if (!ccp->started)
- ppp_layer_started(ccp->ppp, &ccp->ld);
- ccp->started = 0;
- ppp_layer_finished(ccp->ppp, &ccp->ld);
-}
-
-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_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
- uint8_t *buf, *ptr;
- struct ccp_hdr_t *ccp_hdr;
- struct ccp_option_t *lopt;
- int n;
-
- ccp->need_req = 0;
-
- if (ccp->passive) {
- ccp->passive--;
- return 0;
- }
-
- buf = _malloc(ccp->conf_req_len);
- ccp_hdr = (struct ccp_hdr_t*)buf;
-
- ccp_hdr->proto = htons(PPP_CCP);
- ccp_hdr->code = CONFREQ;
- ccp_hdr->id = ++ccp->fsm.id;
- ccp_hdr->len = 0;
-
- ptr = (uint8_t*)(ccp_hdr + 1);
-
- if (conf_ppp_verbose)
- log_ppp_info2("send [CCP ConfReq id=%x", ccp_hdr->id);
-
- list_for_each_entry(lopt, &ccp->options, entry) {
- n = lopt->h->send_conf_req(ccp, lopt, ptr);
- if (n < 0)
- return -1;
- if (n) {
- if (conf_ppp_verbose) {
- log_ppp_info2(" ");
- lopt->h->print(log_ppp_info2, lopt, NULL);
- }
- }
- ptr += n;
- }
-
- if (conf_ppp_verbose)
- log_ppp_info2("]\n");
-
- ccp_hdr->len = htons(ptr - buf - 2);
- ppp_unit_send(ccp->ppp, ccp_hdr, ptr - buf);
-
- _free(buf);
-
- return 0;
-}
-
-static void send_conf_ack(struct ppp_fsm_t *fsm)
-{
- struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
- struct ccp_hdr_t *hdr = (struct ccp_hdr_t*)ccp->ppp->unit_buf;
-
- hdr->code = CONFACK;
-
- if (conf_ppp_verbose)
- log_ppp_info2("send [CCP ConfAck id=%x]\n", ccp->fsm.recv_id);
-
- ppp_unit_send(ccp->ppp,hdr,ntohs(hdr->len)+2);
-}
-
-static void send_conf_nak(struct ppp_fsm_t *fsm)
-{
- struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
- uint8_t *buf = _malloc(ccp->conf_req_len), *ptr = buf;
- struct ccp_hdr_t *ccp_hdr = (struct ccp_hdr_t*)ptr;
- struct recv_opt_t *ropt;
-
- if (conf_ppp_verbose)
- log_ppp_info2("send [CCP ConfNak id=%x", ccp->fsm.recv_id);
-
- ccp_hdr->proto = htons(PPP_CCP);
- ccp_hdr->code = CONFNAK;
- ccp_hdr->id = ccp->fsm.recv_id;
- ccp_hdr->len = 0;
-
- ptr += sizeof(*ccp_hdr);
-
- list_for_each_entry(ropt, &ccp->ropt_list, entry) {
- if (ropt->state == CCP_OPT_NAK) {
- if (conf_ppp_verbose) {
- log_ppp_info2(" ");
- ropt->lopt->h->print(log_ppp_info2, ropt->lopt, NULL);
- }
- ptr += ropt->lopt->h->send_conf_nak(ccp, ropt->lopt, ptr);
- }
- }
-
- if (conf_ppp_verbose)
- log_ppp_info2("]\n");
-
- ccp_hdr->len = htons(ptr - buf - 2);
- ppp_unit_send(ccp->ppp, ccp_hdr, ptr - buf);
-
- _free(buf);
-}
-
-static void send_conf_rej(struct ppp_fsm_t *fsm)
-{
- struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
- uint8_t *buf = _malloc(ccp->ropt_len + sizeof(struct ccp_hdr_t)), *ptr = buf;
- struct ccp_hdr_t *ccp_hdr = (struct ccp_hdr_t*)ptr;
- struct recv_opt_t *ropt;
-
- if (conf_ppp_verbose)
- log_ppp_info2("send [CCP ConfRej id=%x", ccp->fsm.recv_id);
-
- ccp_hdr->proto = htons(PPP_CCP);
- ccp_hdr->code = CONFREJ;
- ccp_hdr->id = ccp->fsm.recv_id;
- ccp_hdr->len = 0;
-
- ptr += sizeof(*ccp_hdr);
-
- list_for_each_entry(ropt, &ccp->ropt_list, entry) {
- if (ropt->state == CCP_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");
-
- ccp_hdr->len = htons(ptr - buf - 2);
- ppp_unit_send(ccp->ppp, ccp_hdr, ptr-buf);
-
- _free(buf);
-}
-
-static int ccp_recv_conf_req(struct ppp_ccp_t *ccp, uint8_t *data, int size)
-{
- struct ccp_opt_hdr_t *hdr;
- struct recv_opt_t *ropt;
- struct ccp_option_t *lopt;
- int r, ret = 1, ack = 0;
-
- ccp->need_req = 0;
- ccp->ropt_len = size;
-
- while (size > 0) {
- hdr = (struct ccp_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 = CCP_OPT_NONE;
- list_add_tail(&ropt->entry, &ccp->ropt_list);
-
- data += ropt->len;
- size -= ropt->len;
- }
-
- if (conf_ppp_verbose)
- log_ppp_info2("recv [CCP ConfReq id=%x", ccp->fsm.recv_id);
-
- list_for_each_entry(ropt, &ccp->ropt_list, entry) {
- list_for_each_entry(lopt, &ccp->options, entry) {
- if (lopt->id == ropt->hdr->id) {
- if (conf_ppp_verbose) {
- log_ppp_info2(" ");
- lopt->h->print(log_ppp_info2, lopt, (uint8_t*)ropt->hdr);
- }
- r = lopt->h->recv_conf_req(ccp, lopt, (uint8_t*)ropt->hdr);
- if (ack) {
- lopt->state = CCP_OPT_REJ;
- ropt->state = CCP_OPT_REJ;
- } else {
- /*if (lopt->state == CCP_OPT_NAK && r == CCP_OPT_ACK)
- ccp->need_req = 1;*/
- lopt->state = r;
- ropt->state = r;
- }
- ropt->lopt = lopt;
- if (r < ret)
- ret = r;
- break;
- }
- }
- if (ropt->state == CCP_OPT_ACK || ropt->state == CCP_OPT_NAK)
- ack = 1;
- else if (!ropt->lopt) {
- if (conf_ppp_verbose) {
- log_ppp_info2(" ");
- print_ropt(ropt);
- }
- ropt->state = CCP_OPT_REJ;
- ret = CCP_OPT_REJ;
- }
- }
-
- if (conf_ppp_verbose)
- log_ppp_info2("]\n");
-
- /*list_for_each_entry(lopt,&ccp->options,entry)
- {
- if (lopt->state==CCP_OPT_NONE)
- {
- r=lopt->h->recv_conf_req(ccp,lopt,NULL);
- lopt->state=r;
- if (r<ret) ret=r;
- }
- }*/
-
- return ret;
-}
-
-static void ccp_free_conf_req(struct ppp_ccp_t *ccp)
-{
- struct recv_opt_t *ropt;
-
- while (!list_empty(&ccp->ropt_list)) {
- ropt = list_entry(ccp->ropt_list.next, typeof(*ropt), entry);
- list_del(&ropt->entry);
- _free(ropt);
- }
-}
-
-static int ccp_recv_conf_rej(struct ppp_ccp_t *ccp, uint8_t *data, int size)
-{
- struct ccp_opt_hdr_t *hdr;
- struct ccp_option_t *lopt;
- int res = 0;
-
- if (conf_ppp_verbose)
- log_ppp_info2("recv [CCP ConfRej id=%x", ccp->fsm.recv_id);
-
- if (ccp->fsm.recv_id != ccp->fsm.id) {
- if (conf_ppp_verbose)
- log_ppp_info2(": id mismatch ]\n");
- return 0;
- }
-
- while (size > 0) {
- hdr = (struct ccp_opt_hdr_t *)data;
-
- list_for_each_entry(lopt, &ccp->options, entry) {
- if (lopt->id == hdr->id) {
- if (!lopt->h->recv_conf_rej)
- res = -1;
- else if (lopt->h->recv_conf_rej(ccp, lopt, data))
- res = -1;
- break;
- }
- }
-
- data += hdr->len;
- size -= hdr->len;
- }
-
- if (conf_ppp_verbose)
- log_ppp_info2("]\n");
-
- return res;
-}
-
-static int ccp_recv_conf_nak(struct ppp_ccp_t *ccp, uint8_t *data, int size)
-{
- struct ccp_opt_hdr_t *hdr;
- struct ccp_option_t *lopt;
- int res = 0;
-
- if (conf_ppp_verbose)
- log_ppp_info2("recv [CCP ConfNak id=%x", ccp->fsm.recv_id);
-
- if (ccp->fsm.recv_id != ccp->fsm.id) {
- if (conf_ppp_verbose)
- log_ppp_info2(": id mismatch ]\n");
- return 0;
- }
-
- while (size > 0) {
- hdr = (struct ccp_opt_hdr_t *)data;
-
- list_for_each_entry(lopt, &ccp->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(ccp, lopt, data))
- res = -1;
- //lopt->state = CCP_OPT_NAK;
- //ccp->need_req = 1;
- break;
- }
- }
-
- data += hdr->len;
- size -= hdr->len;
- }
-
- if (conf_ppp_verbose)
- log_ppp_info2("]\n");
-
- return res;
-}
-
-static int ccp_recv_conf_ack(struct ppp_ccp_t *ccp, uint8_t *data, int size)
-{
- struct ccp_opt_hdr_t *hdr;
- struct ccp_option_t *lopt;
- int res = 0;
-
- if (conf_ppp_verbose)
- log_ppp_info2("recv [CCP ConfAck id=%x", ccp->fsm.recv_id);
-
- if (ccp->fsm.recv_id != ccp->fsm.id) {
- if (conf_ppp_verbose)
- log_ppp_info2(": id mismatch ]\n");
- return 0;
- }
-
- while (size > 0) {
- hdr = (struct ccp_opt_hdr_t *)data;
-
- list_for_each_entry(lopt, &ccp->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(ccp, 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_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
- struct ccp_hdr_t hdr = {
- .proto = htons(PPP_CCP),
- .code = TERMREQ,
- .id = ++ccp->fsm.id,
- .len = htons(4),
- };
-
- if (conf_ppp_verbose)
- log_ppp_info2("send [CCP TermReq id=%i]\n", hdr.id);
-
- ppp_chan_send(ccp->ppp, &hdr, 6);
-}
-
-static void send_term_ack(struct ppp_fsm_t *fsm)
-{
- struct ppp_ccp_t *ccp = container_of(fsm, typeof(*ccp), fsm);
- struct ccp_hdr_t hdr = {
- .proto = htons(PPP_CCP),
- .code = TERMACK,
- .id = ccp->fsm.recv_id,
- .len = htons(4),
- };
-
- if (conf_ppp_verbose)
- log_ppp_info2("send [CCP TermAck id=%i]\n", hdr.id);
-
- ppp_chan_send(ccp->ppp, &hdr, 6);
-}
-
-static void ccp_recv(struct ppp_handler_t*h)
-{
- struct ccp_hdr_t *hdr;
- struct ppp_ccp_t *ccp = container_of(h, typeof(*ccp), hnd);
- int r;
-
- if (ccp->fsm.fsm_state == FSM_Initial || ccp->fsm.fsm_state == FSM_Closed || ccp->ppp->terminating) {
- if (conf_ppp_verbose)
- log_ppp_warn("CCP: discarding packet\n");
- if (ccp->fsm.fsm_state == FSM_Closed || !conf_ccp)
- lcp_send_proto_rej(ccp->ppp, PPP_CCP);
- return;
- }
-
- if (ccp->ppp->unit_buf_size < PPP_HEADERLEN + 2) {
- log_ppp_warn("CCP: short packet received\n");
- return;
- }
-
- hdr = (struct ccp_hdr_t *)ccp->ppp->unit_buf;
- if (ntohs(hdr->len) < PPP_HEADERLEN) {
- log_ppp_warn("CCP: short packet received\n");
- return;
- }
-
- ccp->fsm.recv_id = hdr->id;
- switch(hdr->code) {
- case CONFREQ:
- r = ccp_recv_conf_req(ccp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
- switch(r) {
- case CCP_OPT_ACK:
- ppp_fsm_recv_conf_req_ack(&ccp->fsm);
- break;
- case CCP_OPT_NAK:
- ppp_fsm_recv_conf_req_nak(&ccp->fsm);
- break;
- case CCP_OPT_REJ:
- ppp_fsm_recv_conf_req_rej(&ccp->fsm);
- break;
- }
- ccp_free_conf_req(ccp);
-
- if (r == CCP_OPT_ACK && ccp->passive) {
- ccp->passive = 0;
- send_conf_req(&ccp->fsm);
- }
- if (r == CCP_OPT_FAIL)
- ppp_terminate(ccp->ppp, TERM_USER_ERROR, 0);
- break;
- case CONFACK:
- if (ccp_recv_conf_ack(ccp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN))
- ppp_terminate(ccp->ppp, TERM_USER_ERROR, 0);
- else {
- ppp_fsm_recv_conf_ack(&ccp->fsm);
- if (ccp->need_req)
- send_conf_req(&ccp->fsm);
- }
- break;
- case CONFNAK:
- ccp_recv_conf_nak(ccp, (uint8_t*)(hdr + 1), ntohs(hdr->len) - PPP_HDRLEN);
- ppp_fsm_recv_conf_rej(&ccp->fsm);
- break;
- case CONFREJ:
- if (ccp_recv_conf_rej(ccp, (uint8_t*)(hdr + 1),ntohs(hdr->len) - PPP_HDRLEN))
- ppp_terminate(ccp->ppp, TERM_USER_ERROR, 0);
- else
- ppp_fsm_recv_conf_rej(&ccp->fsm);
- break;
- case TERMREQ:
- if (conf_ppp_verbose)
- log_ppp_info2("recv [CCP TermReq id=%x]\n", hdr->id);
- ppp_fsm_recv_term_req(&ccp->fsm);
- ppp_fsm_close(&ccp->fsm);
- break;
- case TERMACK:
- if (conf_ppp_verbose)
- log_ppp_info2("recv [CCP TermAck id=%x]\n", hdr->id);
- ppp_fsm_recv_term_ack(&ccp->fsm);
- break;
- case CODEREJ:
- if (conf_ppp_verbose)
- log_ppp_info2("recv [CCP CodeRej id=%x]\n", hdr->id);
- ppp_fsm_recv_code_rej_bad(&ccp->fsm);
- break;
- default:
- ppp_fsm_recv_unk(&ccp->fsm);
- break;
- }
-}
-
-static void ccp_recv_proto_rej(struct ppp_handler_t *h)
-{
- struct ppp_ccp_t *ccp = container_of(h, typeof(*ccp), hnd);
-
- if (ccp->fsm.fsm_state == FSM_Initial || ccp->fsm.fsm_state == FSM_Closed)
- return;
-
- ppp_fsm_lower_down(&ccp->fsm);
- ppp_fsm_close(&ccp->fsm);
-}
-
-int ccp_option_register(struct ccp_option_handler_t *h)
-{
- /*struct ccp_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;
-}
-
-struct ccp_option_t *ccp_find_option(struct ppp_t *ppp, struct ccp_option_handler_t *h)
-{
- struct ppp_ccp_t *ccp = container_of(ppp_find_layer_data(ppp, &ccp_layer), typeof(*ccp), ld);
- struct ccp_option_t *opt;
-
- list_for_each_entry(opt, &ccp->options, entry)
- if (opt->h == h)
- return opt;
-
- log_emerg("ccp: BUG: option not found\n");
- abort();
-}
-
-static struct ppp_layer_t ccp_layer=
-{
- .init = ccp_layer_init,
- .start = ccp_layer_start,
- .finish = ccp_layer_finish,
- .free = ccp_layer_free,
-};
-
-static void load_config(void)
-{
- const char *opt;
-
- opt = conf_get_opt("ppp", "ccp");
- if (opt && atoi(opt) >= 0)
- conf_ccp = atoi(opt);
-}
-
-static void __init ccp_init(void)
-{
- ppp_register_layer("ccp", &ccp_layer);
-
- load_config();
- triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
-}
-