diff options
Diffstat (limited to 'accel-pppd/ipv6')
| -rw-r--r-- | accel-pppd/ipv6/dhcpv6.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/accel-pppd/ipv6/dhcpv6.c b/accel-pppd/ipv6/dhcpv6.c index 0bb72bc7..16d96751 100644 --- a/accel-pppd/ipv6/dhcpv6.c +++ b/accel-pppd/ipv6/dhcpv6.c @@ -10,6 +10,9 @@ #include <arpa/inet.h> #include <netinet/in.h> #include <sys/socket.h> +#include <sys/ioctl.h> +#include <linux/route.h> +#include <linux/ipv6_route.h> #include "triton.h" #include "mempool.h" @@ -41,6 +44,7 @@ struct dhcpv6_pd uint32_t addr_iaid; uint32_t dp_iaid; struct ipv6db_prefix_t *ipv6_dp; + int dp_active:1; }; static struct triton_md_handler_t dhcpv6_hnd; @@ -150,6 +154,44 @@ static void build_addr(struct ipv6db_addr_t *a, uint64_t intf_id, struct in6_add *(uint64_t *)(addr->s6_addr + 8) |= intf_id & ((1 << (128 - a->prefix_len)) - 1); } +static void insert_dp_routes(struct ppp_t *ppp, struct dhcpv6_pd *pd) +{ + struct ipv6db_addr_t *a; + struct ipv6db_addr_t *p; + struct in6_rtmsg rt6; + char str1[INET6_ADDRSTRLEN]; + char str2[INET6_ADDRSTRLEN]; + int err; + + memset(&rt6, 0, sizeof(rt6)); + rt6.rtmsg_ifindex = ppp->ifindex; + rt6.rtmsg_flags = RTF_UP | RTF_GATEWAY; + + list_for_each_entry(p, &pd->ipv6_dp->prefix_list, entry) { + memcpy(&rt6.rtmsg_dst, &p->addr, sizeof(p->addr)); + rt6.rtmsg_dst_len = p->prefix_len; + rt6.rtmsg_metric = 0; + //rt6.rtmsg_flags = RTF_UP; + list_for_each_entry(a, &ppp->ipv6->addr_list, entry) { + build_addr(a, ppp->ipv6->peer_intf_id, &rt6.rtmsg_gateway); + rt6.rtmsg_metric++; + if (ioctl(sock6_fd, SIOCADDRT, &rt6)) { + err = errno; + inet_ntop(AF_INET6, &p->addr, str1, sizeof(str1)); + inet_ntop(AF_INET6, &rt6.rtmsg_gateway, str2, sizeof(str2)); + log_ppp_error("dhcpv6: add route %s/%i via %s: %s\n", str1, p->prefix_len, str2, strerror(err)); + } else { + inet_ntop(AF_INET6, &p->addr, str1, sizeof(str1)); + inet_ntop(AF_INET6, &rt6.rtmsg_gateway, str2, sizeof(str2)); + log_ppp_info2("dhcpv6: add route %s/%i via %s\n", str1, p->prefix_len, str2); + + } + } + } + + pd->dp_active = 1; +} + static void insert_status(struct dhcpv6_packet *pkt, struct dhcpv6_option *opt, int code) { struct dhcpv6_option *opt1; @@ -259,8 +301,11 @@ static void dhcpv6_send_reply(struct dhcpv6_packet *req, struct dhcpv6_pd *pd, i insert_status(reply, opt1, D6_STATUS_NoPrefixAvail); } else { - if (req->hdr->type == D6_REQUEST) + if (req->hdr->type == D6_REQUEST) { pd->dp_iaid = ia_na->iaid; + if (!pd->dp_active) + insert_dp_routes(req->ppp, pd); + } f2 = 1; |