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Diffstat (limited to 'accel-pptpd/ppp/ipcp_opt_ipaddr.c')
-rw-r--r--accel-pptpd/ppp/ipcp_opt_ipaddr.c227
1 files changed, 0 insertions, 227 deletions
diff --git a/accel-pptpd/ppp/ipcp_opt_ipaddr.c b/accel-pptpd/ppp/ipcp_opt_ipaddr.c
deleted file mode 100644
index 334f425..0000000
--- a/accel-pptpd/ppp/ipcp_opt_ipaddr.c
+++ /dev/null
@@ -1,227 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <arpa/inet.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include "linux_ppp.h"
-
-#include "ppp.h"
-#include "ppp_ipcp.h"
-#include "log.h"
-#include "ipdb.h"
-#include "iprange.h"
-#include "events.h"
-
-#include "memdebug.h"
-
-static int conf_check_exists;
-
-static struct ipcp_option_t *ipaddr_init(struct ppp_ipcp_t *ipcp);
-static void ipaddr_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt);
-static int ipaddr_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
-static int ipaddr_send_conf_nak(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
-static int ipaddr_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
-//static int ipaddr_recv_conf_ack(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
-static void ipaddr_print(void (*print)(const char *fmt,...),struct ipcp_option_t*, uint8_t *ptr);
-
-struct ipaddr_option_t
-{
- struct ipcp_option_t opt;
- struct ipdb_item_t *ip;
- int started:1;
-};
-
-static struct ipcp_option_handler_t ipaddr_opt_hnd=
-{
- .init=ipaddr_init,
- .send_conf_req=ipaddr_send_conf_req,
- .send_conf_nak=ipaddr_send_conf_nak,
- .recv_conf_req=ipaddr_recv_conf_req,
- .free=ipaddr_free,
- .print=ipaddr_print,
-};
-
-static struct ipcp_option_t *ipaddr_init(struct ppp_ipcp_t *ipcp)
-{
- struct ipaddr_option_t *ipaddr_opt=_malloc(sizeof(*ipaddr_opt));
- memset(ipaddr_opt,0,sizeof(*ipaddr_opt));
- ipaddr_opt->opt.id=CI_ADDR;
- ipaddr_opt->opt.len=6;
-
- return &ipaddr_opt->opt;
-}
-
-static void ipaddr_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt)
-{
- struct ipaddr_option_t *ipaddr_opt=container_of(opt,typeof(*ipaddr_opt),opt);
-
- if (ipaddr_opt->ip)
- ipdb_put(ipcp->ppp, ipaddr_opt->ip);
-
- _free(ipaddr_opt);
-}
-
-static int check_exists(struct ppp_t *self_ppp, in_addr_t addr)
-{
- struct ppp_t *ppp;
- int r = 0;
-
- pthread_rwlock_rdlock(&ppp_lock);
- list_for_each_entry(ppp, &ppp_list, entry) {
- if (!ppp->terminating && ppp->peer_ipaddr == addr && ppp != self_ppp) {
- log_ppp_warn("ppp:ipcp: requested IP already assigned to %s\n", ppp->ifname);
- r = 1;
- break;
- }
- }
- pthread_rwlock_unlock(&ppp_lock);
-
- return r;
-}
-
-static int ipaddr_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
-{
- struct ipaddr_option_t *ipaddr_opt=container_of(opt,typeof(*ipaddr_opt),opt);
- struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
-
- if (!ipaddr_opt->ip) {
- ipaddr_opt->ip = ipdb_get(ipcp->ppp);
- if (!ipaddr_opt->ip) {
- log_ppp_warn("ppp:ipcp: no free IP address\n");
- return -1;
- }
- }
-
- if (iprange_tunnel_check(ipaddr_opt->ip->peer_addr)) {
- log_ppp_warn("ppp:ipcp: to avoid kernel soft lockup requested IP cannot be assigned (%i.%i.%i.%i)\n",
- ipaddr_opt->ip->peer_addr&0xff,
- (ipaddr_opt->ip->peer_addr >> 8)&0xff,
- (ipaddr_opt->ip->peer_addr >> 16)&0xff,
- (ipaddr_opt->ip->peer_addr >> 24)&0xff);
- return -1;
- }
-
- if (conf_check_exists && check_exists(ipcp->ppp, ipaddr_opt->ip->peer_addr))
- return -1;
-
- opt32->hdr.id=CI_ADDR;
- opt32->hdr.len=6;
- opt32->val=ipaddr_opt->ip->addr;
- return 6;
-}
-
-static int ipaddr_send_conf_nak(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
-{
- struct ipaddr_option_t *ipaddr_opt=container_of(opt,typeof(*ipaddr_opt),opt);
- struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
- opt32->hdr.id=CI_ADDR;
- opt32->hdr.len=6;
- opt32->val=ipaddr_opt->ip->peer_addr;
- return 6;
-}
-
-static int ipaddr_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
-{
- struct ipaddr_option_t *ipaddr_opt = container_of(opt,typeof(*ipaddr_opt), opt);
- struct ipcp_opt32_t *opt32 = (struct ipcp_opt32_t*)ptr;
- struct ifreq ifr;
- struct sockaddr_in addr;
- struct npioctl np;
-
- if (opt32->hdr.len != 6)
- return IPCP_OPT_REJ;
-
- if (ipaddr_opt->ip->peer_addr == opt32->val)
- goto ack;
-
- /*if (!ipaddr_opt->peer_addr) {
- ipaddr_opt->peer_addr = opt32->val;
- goto ack;
- }*/
-
- return IPCP_OPT_NAK;
-
-ack:
- if (ipaddr_opt->started)
- return IPCP_OPT_ACK;
-
- ipaddr_opt->started = 1;
-
- ipcp->ppp->ipaddr = ipaddr_opt->ip->addr;
- ipcp->ppp->peer_ipaddr = ipaddr_opt->ip->peer_addr;
-
- triton_event_fire(EV_PPP_ACCT_START, ipcp->ppp);
- if (ipcp->ppp->stop_time)
- return IPCP_OPT_ACK;
-
- triton_event_fire(EV_PPP_PRE_UP, ipcp->ppp);
- if (ipcp->ppp->stop_time)
- return IPCP_OPT_ACK;
-
- memset(&ifr, 0, sizeof(ifr));
- memset(&addr, 0, sizeof(addr));
-
- strcpy(ifr.ifr_name, ipcp->ppp->ifname);
-
- addr.sin_family = AF_INET;
- addr.sin_addr.s_addr = ipaddr_opt->ip->addr;
- memcpy(&ifr.ifr_addr,&addr,sizeof(addr));
-
- if (ioctl(sock_fd, SIOCSIFADDR, &ifr))
- log_ppp_error("ipcp: failed to set PA address: %s\n", strerror(errno));
-
- addr.sin_addr.s_addr = ipaddr_opt->ip->peer_addr;
- memcpy(&ifr.ifr_dstaddr,&addr,sizeof(addr));
-
- if (ioctl(sock_fd, SIOCSIFDSTADDR, &ifr))
- log_ppp_error("ipcp: failed to set remote PA address: %s\n", strerror(errno));
-
- if (ioctl(sock_fd, SIOCGIFFLAGS, &ifr))
- log_ppp_error("ipcp: failed to get interface flags: %s\n", strerror(errno));
-
- ifr.ifr_flags |= IFF_UP | IFF_POINTOPOINT;
-
- if (ioctl(sock_fd, SIOCSIFFLAGS, &ifr))
- log_ppp_error("ipcp: failed to set interface flags: %s\n", strerror(errno));
-
- np.protocol = PPP_IP;
- np.mode = NPMODE_PASS;
-
- if (ioctl(ipcp->ppp->unit_fd, PPPIOCSNPMODE, &np))
- log_ppp_error("ipcp: failed to set NP mode: %s\n", strerror(errno));
-
- return IPCP_OPT_ACK;
-}
-
-static void ipaddr_print(void (*print)(const char *fmt,...),struct ipcp_option_t *opt, uint8_t *ptr)
-{
- struct ipaddr_option_t *ipaddr_opt=container_of(opt,typeof(*ipaddr_opt),opt);
- struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
- struct in_addr in = { .s_addr = 0, };
-
- if (ptr)
- in.s_addr = opt32->val;
- else if (ipaddr_opt->ip)
- in.s_addr = ipaddr_opt->ip->addr;
-
- print("<addr %s>",inet_ntoa(in));
-}
-
-static void load_config(void)
-{
- const char *opt;
-
- opt = conf_get_opt("ppp", "check-ip");
- if (opt && atoi(opt) > 0)
- conf_check_exists = 1;
-}
-
-static void __init ipaddr_opt_init()
-{
- ipcp_option_register(&ipaddr_opt_hnd);
- load_config();
- triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config);
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-20 20:12:06 +0000