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packages/net/olsrd/patches/220-olsrd-fixes-jhay-bsd.patch
pavlov 07e70aee64 merge olsrd changes with freifunks code changes. compiles completely, but have not tested with an actually mesh. 
git-svn-id: svn://svn.openwrt.org/openwrt/packages@6273 3c298f89-4303-0410-b956-a3cf2f4a3e73
2007-02-06 16:45:04 +00:00

426 lines
10 KiB
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diff -Nur olsrd-0.4.10.orig/src/bsd/kernel_routes.c olsrd-0.4.10/src/bsd/kernel_routes.c
--- olsrd-0.4.10.orig/src/bsd/kernel_routes.c 2005-02-27 11:43:38.000000000 +0100
+++ olsrd-0.4.10/src/bsd/kernel_routes.c 2006-12-12 08:59:26.000000000 +0100
@@ -170,12 +170,103 @@
return add_del_route(dest, 0);
}
-int olsr_ioctl_add_route6(struct rt_entry *dest)
+static int add_del_route6(struct rt_entry *dest, int add)
{
+ struct rt_msghdr *rtm;
+ unsigned char buff[512];
+ unsigned char *walker;
+ struct sockaddr_in6 sin6;
+ struct sockaddr_dl sdl;
+ int step, step_dl;
+ int len;
+ char Str1[40], Str2[40];
+
+ inet_ntop(AF_INET6, &dest->rt_dst.v6, Str1, 40);
+ inet_ntop(AF_INET6, &dest->rt_router.v6, Str2, 40);
+
+ OLSR_PRINTF(1, "%s IPv6 route to %s/%d via %s.\n",
+ (add != 0) ? "Adding" : "Removing", Str1, dest->rt_mask.v6, Str2)
+
+ memset(buff, 0, sizeof (buff));
+ memset(&sin6, 0, sizeof (sin6));
+ memset(&sdl, 0, sizeof (sdl));
+
+ sin6.sin6_len = sizeof (sin6);
+ sin6.sin6_family = AF_INET6;
+ sdl.sdl_len = sizeof (sdl);
+ sdl.sdl_family = AF_LINK;
+
+ step = 1 + ((sizeof (struct sockaddr_in6) - 1) | 3);
+ step_dl = 1 + ((sizeof (struct sockaddr_dl) - 1) | 3);
+
+ rtm = (struct rt_msghdr *)buff;
+ rtm->rtm_version = RTM_VERSION;
+ rtm->rtm_type = (add != 0) ? RTM_ADD : RTM_DELETE;
+ rtm->rtm_index = 0;
+ rtm->rtm_flags = dest->rt_flags;
+ rtm->rtm_addrs = RTA_DST | RTA_GATEWAY;
+ rtm->rtm_seq = ++seq;
+
+ walker = buff + sizeof (struct rt_msghdr);
+
+ memcpy(&sin6.sin6_addr.s6_addr, &dest->rt_dst.v6, sizeof(struct in6_addr));
+
+ memcpy(walker, &sin6, sizeof (sin6));
+ walker += step;
+
+ if ((rtm->rtm_flags & RTF_GATEWAY) != 0)
+ {
+ memcpy(&sin6.sin6_addr.s6_addr, &dest->rt_router.v6, sizeof(struct in6_addr));
+
+ memcpy(walker, &sin6, sizeof (sin6));
+ walker += step;
+ }
+
+ // the host is directly reachable, so add the output interface's address
+
+ else
+ {
+ memcpy(&sin6.sin6_addr.s6_addr, &dest->rt_if->int6_addr.sin6_addr.s6_addr,
+ sizeof(struct in6_addr));
+
+ memcpy(walker, &sin6, sizeof (sin6));
+ walker += step;
+ rtm->rtm_flags |= RTF_LLINFO;
+ }
+
+ if ((rtm->rtm_flags & RTF_HOST) == 0)
+ {
+ olsr_prefix_to_netmask((union olsr_ip_addr *)&sin6.sin6_addr, dest->rt_mask.v6);
+ memcpy(walker, &sin6, sizeof (sin6));
+ walker += step;
+ rtm->rtm_addrs |= RTA_NETMASK;
+ }
+
+ if ((rtm->rtm_flags & RTF_GATEWAY) != 0)
+ {
+ strcpy(&sdl.sdl_data[0], dest->rt_if->int_name);
+ sdl.sdl_nlen = (u_char)strlen(dest->rt_if->int_name);
+ memcpy(walker, &sdl, sizeof (sdl));
+ walker += step_dl;
+ rtm->rtm_addrs |= RTA_IFP;
+ }
+
+ rtm->rtm_msglen = (unsigned short)(walker - buff);
+
+ len = write(rts, buff, rtm->rtm_msglen);
+
+ if (len < rtm->rtm_msglen)
+ fprintf(stderr, "cannot write to routing socket: %s\n", strerror(errno));
+
return 0;
}
+int olsr_ioctl_add_route6(struct rt_entry *dest)
+{
+ return add_del_route6(dest, 1);
+}
+
int olsr_ioctl_del_route6(struct rt_entry *dest)
{
- return 0;
+ return add_del_route6(dest, 0);
}
diff -Nur olsrd-0.4.10.orig/src/bsd/net.c olsrd-0.4.10/src/bsd/net.c
--- olsrd-0.4.10.orig/src/bsd/net.c 2005-08-28 21:30:29.000000000 +0200
+++ olsrd-0.4.10/src/bsd/net.c 2006-12-12 08:59:30.000000000 +0100
@@ -61,8 +61,10 @@
#endif
#ifdef __FreeBSD__
+#include <ifaddrs.h>
#include <net/if_var.h>
#include <net/ethernet.h>
+#include <netinet/in_var.h>
#ifndef FBSD_NO_80211
#include <net80211/ieee80211.h>
#include <net80211/ieee80211_ioctl.h>
@@ -71,8 +73,8 @@
#endif
#endif
-#ifdef SPOOF
#include <net/if_dl.h>
+#ifdef SPOOF
#include <libnet.h>
#endif /* SPOOF */
@@ -172,6 +174,17 @@
name = "net.inet6.icmp6.rediraccept";
ignore_redir = set_sysctl_int(name, 0);
+#elif defined __FreeBSD__
+ if (olsr_cnf->ip_version == AF_INET)
+ {
+ name = "net.inet.icmp.drop_redirect";
+ ignore_redir = set_sysctl_int(name, 1);
+ }
+ else
+ {
+ name = "net.inet6.icmp6.rediraccept";
+ ignore_redir = set_sysctl_int(name, 0);
+ }
#else
if (olsr_cnf->ip_version == AF_INET)
name = "net.inet.icmp.drop_redirect";
@@ -243,6 +256,12 @@
else
name = "net.inet6.icmp6.rediraccept";
+#elif defined __FreeBSD__
+ if (olsr_cnf->ip_version == AF_INET)
+ name = "net.inet.icmp.drop_redirect";
+
+ else
+ name = "net.inet6.icmp6.rediraccept";
#else
if (olsr_cnf->ip_version == AF_INET)
name = "net.inet.icmp.drop_redirect";
@@ -335,7 +354,6 @@
return (-1);
}
-#ifdef SPOOF
if (setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, &on, sizeof(on)) < 0)
{
perror("SO_REUSEPORT failed");
@@ -347,7 +365,6 @@
perror("IP_RECVIF failed");
return (-1);
}
-#endif /* SPOOF */
for (on = bufspace; ; on -= 1024)
{
@@ -406,6 +423,18 @@
return (-1);
}
+ if (setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, &on, sizeof(on)) < 0)
+ {
+ perror("SO_REUSEPORT failed");
+ return (-1);
+ }
+
+ if (setsockopt(sock, IPPROTO_IPV6, IPV6_RECVPKTINFO, &on, sizeof(on)) < 0)
+ {
+ perror("IPV6_RECVPKTINFO failed");
+ return (-1);
+ }
+
if (bind(sock, (struct sockaddr *)sin, sizeof (*sin)) < 0)
{
perror("bind");
@@ -425,31 +454,16 @@
int
join_mcast(struct interface *ifs, int sock)
{
- /* See linux/in6.h */
+ /* See netinet6/in6.h */
struct ipv6_mreq mcastreq;
COPY_IP(&mcastreq.ipv6mr_multiaddr, &ifs->int6_multaddr.sin6_addr);
mcastreq.ipv6mr_interface = ifs->if_index;
-#if 0
OLSR_PRINTF(3, "Interface %s joining multicast %s...", ifs->int_name, olsr_ip_to_string((union olsr_ip_addr *)&ifs->int6_multaddr.sin6_addr))
- /* Send multicast */
- if(setsockopt(sock,
- IPPROTO_IPV6,
- IPV6_ADD_MEMBERSHIP,
- (char *)&mcastreq,
- sizeof(struct ipv6_mreq))
- < 0)
- {
- perror("Join multicast");
- return -1;
- }
-#else
-#warning implement IPV6_ADD_MEMBERSHIP
-#endif
- /* Old libc fix */
+ /* rfc 3493 */
#ifdef IPV6_JOIN_GROUP
/* Join reciever group */
if(setsockopt(sock,
@@ -458,8 +472,8 @@
(char *)&mcastreq,
sizeof(struct ipv6_mreq))
< 0)
-#else
- /* Join reciever group */
+#else /* rfc 2133, obsoleted */
+ /* Join receiver group */
if(setsockopt(sock,
IPPROTO_IPV6,
IPV6_ADD_MEMBERSHIP,
@@ -494,6 +508,70 @@
int get_ipv6_address(char *ifname, struct sockaddr_in6 *saddr6, int scope_in)
{
+ struct ifaddrs *ifap, *ifa;
+ const struct sockaddr_in6 *sin6 = NULL;
+ struct in6_ifreq ifr6;
+ int found = 0;
+ int s6;
+ u_int32_t flags6;
+
+ if (getifaddrs(&ifap) != 0)
+ {
+ OLSR_PRINTF(3, "get_ipv6_address: getifaddrs() failed.\n")
+ return 0;
+ }
+
+ for (ifa = ifap; ifa; ifa = ifa->ifa_next)
+ {
+ if (ifa->ifa_addr->sa_family == AF_INET6 &&
+ strcmp(ifa->ifa_name, ifname) == 0)
+ {
+ sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr;
+ if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr))
+ continue;
+ strncpy(ifr6.ifr_name, ifname, sizeof(ifname));
+ if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
+ {
+ OLSR_PRINTF(3, "socket(AF_INET6,SOCK_DGRAM)");
+ break;
+ }
+ ifr6.ifr_addr = *sin6;
+ if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0)
+ {
+ OLSR_PRINTF(3, "ioctl(SIOCGIFAFLAG_IN6)");
+ close(s6);
+ break;
+ }
+ close(s6);
+ flags6 = ifr6.ifr_ifru.ifru_flags6;
+ if ((flags6 & IN6_IFF_ANYCAST) != 0)
+ continue;
+ if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))
+ {
+ if (scope_in)
+ {
+ memcpy(&saddr6->sin6_addr, &sin6->sin6_addr,
+ sizeof(struct in6_addr));
+ found = 1;
+ break;
+ }
+ }
+ else
+ {
+ if (scope_in == 0)
+ {
+ memcpy(&saddr6->sin6_addr, &sin6->sin6_addr,
+ sizeof(struct in6_addr));
+ found = 1;
+ break;
+ }
+ }
+ }
+ }
+ freeifaddrs(ifap);
+ if (found)
+ return 1;
+
return 0;
}
@@ -621,16 +699,19 @@
struct sockaddr *from,
socklen_t *fromlen)
{
-#if SPOOF
struct msghdr mhdr;
struct iovec iov;
struct cmsghdr *cm;
struct sockaddr_dl *sdl;
struct sockaddr_in *sin = (struct sockaddr_in *) from; //XXX
+ struct sockaddr_in6 *sin6;
+ struct in6_addr *iaddr6;
+ struct in6_pktinfo *pkti;
+ struct interface *ifc;
+ char addrstr[INET6_ADDRSTRLEN];
+ char iname[IFNAMSIZ];
unsigned char chdr[4096];
int count;
- struct interface *ifc;
- char iname[32];
bzero(&mhdr, sizeof(mhdr));
bzero(&iov, sizeof(iov));
@@ -653,35 +734,45 @@
/* this needs to get communicated back to caller */
*fromlen = mhdr.msg_namelen;
-
- cm = (struct cmsghdr *) chdr;
- sdl = (struct sockaddr_dl *) CMSG_DATA (cm);
- bzero (iname, sizeof (iname));
- memcpy (iname, sdl->sdl_data, sdl->sdl_nlen);
+ if (olsr_cnf->ip_version == AF_INET6)
+ {
+ for (cm = (struct cmsghdr *)CMSG_FIRSTHDR(&mhdr); cm;
+ cm = (struct cmsghdr *)CMSG_NXTHDR(&mhdr, cm))
+ {
+ if (cm->cmsg_level == IPPROTO_IPV6 && cm->cmsg_type == IPV6_PKTINFO)
+ {
+ pkti = (struct in6_pktinfo *) CMSG_DATA(cm);
+ iaddr6 = &pkti->ipi6_addr;
+ if_indextoname(pkti->ipi6_ifindex, iname);
+ }
+ }
+ }
+ else
+ {
+ cm = (struct cmsghdr *) chdr;
+ sdl = (struct sockaddr_dl *) CMSG_DATA (cm);
+ bzero (iname, sizeof (iname));
+ memcpy (iname, sdl->sdl_data, sdl->sdl_nlen);
+ }
ifc = if_ifwithsock (s);
+ sin6 = (struct sockaddr_in6 *)from;
+ OLSR_PRINTF (4, "%d bytes from %s, socket associated %s really received on %s\n",
+ count,
+ (olsr_cnf->ip_version == AF_INET6) ?
+ inet_ntop(AF_INET6, (char *)&sin6->sin6_addr, addrstr,
+ INET6_ADDRSTRLEN):
+ inet_ntoa (sin->sin_addr),
+ ifc->int_name,
+ iname);
+
if (strcmp (ifc->int_name, iname) != 0)
{
return (0);
}
- OLSR_PRINTF (2, "%d bytes from %s, socket associated %s really received on %s\n",
- count,
- inet_ntoa (sin->sin_addr),
- ifc->int_name,
- iname);
-
return (count);
-
-#else /* SPOOF */
- return recvfrom(s,
- buf,
- len,
- 0,
- from,
- fromlen);
-#endif /* SPOOF */
}
/**
diff -Nur olsrd-0.4.10.orig/src/net_olsr.c olsrd-0.4.10/src/net_olsr.c
--- olsrd-0.4.10.orig/src/net_olsr.c 2005-12-29 19:37:16.000000000 +0100
+++ olsrd-0.4.10/src/net_olsr.c 2006-12-12 08:59:35.000000000 +0100
@@ -526,7 +526,7 @@
for(;p > 0; p -= 8)
{
- adr->v6.s6_addr[i] = (p < 8) ? 0xff ^ (0xff << p) : 0xff;
+ adr->v6.s6_addr[i] = (p < 8) ? 0xff ^ (0xff >> p) : 0xff;
i++;
}
@@ -564,7 +564,7 @@
{
for(tmp = adr->v6.s6_addr[i];
tmp > 0;
- tmp = tmp >> 1)
+ tmp = (tmp << 1) & 0xff)
prefix++;
}
}
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