#endif
};
+struct rtm
+{
+ struct rt_msghdr hdr;
+ char buffer[sizeof(struct sockaddr_storage) * RTAX_MAX];
+};
+
int
if_init(__unused struct interface *ifp)
{
}
static void
-if_finishrt(struct dhcpcd_ctx *ctx, struct rt *rt)
+if_route0(struct dhcpcd_ctx *ctx, struct rtm *rtmsg,
+ unsigned char cmd, const struct rt *rt)
{
- int mtu;
+ struct rt_msghdr *rtm;
+ char *bp = rtmsg->buffer;
+ size_t l;
- /* Solaris has a subnet route with the gateway
- * of the owning address.
- * dhcpcd has a blank gateway here to indicate a
- * subnet route. */
- if (!sa_is_unspecified(&rt->rt_dest) &&
- !sa_is_unspecified(&rt->rt_gateway))
- {
- switch(rt->rt_gateway.sa_family) {
-#ifdef INET
- case AF_INET:
- {
- struct in_addr *in;
+ /* WARNING: Solaris will not allow you to delete RTF_KERNEL routes.
+ * This includes subnet/prefix routes. */
- in = &satosin(&rt->rt_gateway)->sin_addr;
- if (ipv4_findaddr(ctx, in))
- in->s_addr = INADDR_ANY;
- break;
- }
-#endif
-#ifdef INET6
- case AF_INET6:
- {
- struct in6_addr *in6;
+#define ADDSA(sa) do { \
+ l = RT_ROUNDUP(salen((sa))); \
+ memcpy(bp, (sa), l); \
+ bp += l; \
+ } while (/* CONSTCOND */ 0)
- in6 = &satosin6(&rt->rt_gateway)->sin6_addr;
- if (ipv6_findaddr(ctx, in6, 0))
- *in6 = in6addr_any;
- break;
- }
+ memset(rtmsg, 0, sizeof(*rtmsg));
+ rtm = &rtmsg->hdr;
+ rtm->rtm_version = RTM_VERSION;
+ rtm->rtm_type = cmd;
+ rtm->rtm_seq = ++ctx->seq;
+ rtm->rtm_flags = rt->rt_flags;
+ rtm->rtm_addrs = RTA_DST | RTA_GATEWAY;
+
+ if (cmd == RTM_ADD || cmd == RTM_CHANGE) {
+ bool netmask_bcast = sa_is_allones(&rt->rt_netmask);
+
+ rtm->rtm_flags |= RTF_UP;
+ if (!(rtm->rtm_flags & RTF_REJECT) &&
+ !sa_is_loopback(&rt->rt_gateway) &&
+ /* Solaris doesn't like interfaces on default routes. */
+ !sa_is_unspecified(&rt->rt_dest))
+ {
+ rtm->rtm_addrs |= RTA_IFP;
+#if 0
+ if (!sa_is_unspecified(&rt->rt_ifa))
+ rtm->rtm_addrs |= RTA_IFA;
#endif
}
+
+ if (netmask_bcast)
+ rtm->rtm_flags |= RTF_HOST;
+ else
+ rtm->rtm_flags |= RTF_GATEWAY;
+
+ /* Emulate the kernel by marking address generated
+ * network routes non-static. */
+ if (!(rt->rt_dflags & RTDF_IFA_ROUTE))
+ rtm->rtm_flags |= RTF_STATIC;
+
+ if (rt->rt_mtu != 0) {
+ rtm->rtm_inits |= RTV_MTU;
+ rtm->rtm_rmx.rmx_mtu = rt->rt_mtu;
+ }
}
- if (rt->rt_ifp == NULL)
- return;
+ if (!(rtm->rtm_flags & RTF_HOST))
+ rtm->rtm_addrs |= RTA_NETMASK;
- /* Solaris likes to set route MTU to match
- * interface MTU when adding routes.
- * This confuses dhcpcd as it expects MTU to be 0
- * when no explicit MTU has been set. */
- mtu = if_getmtu(rt->rt_ifp);
- if (rt->rt_mtu == (unsigned int)mtu)
- rt->rt_mtu = 0;
+ ADDSA(&rt->rt_dest);
+
+ if (sa_is_unspecified(&rt->rt_gateway))
+ ADDSA(&rt->rt_ifa);
+ else
+ ADDSA(&rt->rt_gateway);
+
+ if (rtm->rtm_addrs & RTA_NETMASK)
+ ADDSA(&rt->rt_netmask);
+
+ if (rtm->rtm_addrs & RTA_IFP) {
+ struct sockaddr_dl sdl;
+
+ if_linkaddr(&sdl, rt->rt_ifp);
+ ADDSA((struct sockaddr *)&sdl);
+ }
+
+ if (rtm->rtm_addrs & RTA_IFA) {
+ ADDSA(&rt->rt_ifa);
+ rtm->rtm_addrs |= RTA_SRC;
+ }
+ if (rtm->rtm_addrs & RTA_SRC)
+ ADDSA(&rt->rt_ifa);
+
+#undef ADDSA
+
+ rtm->rtm_msglen = (unsigned short)(bp - (char *)rtm);
+}
+
+int
+if_route(unsigned char cmd, const struct rt *rt)
+{
+ struct rtm rtm;
+ struct dhcpcd_ctx *ctx = rt->rt_ifp->ctx;
+
+ if_route0(ctx, &rtm, cmd, rt);
+
+ if (write(ctx->link_fd, &rtm, rtm.hdr.rtm_msglen) == -1)
+ return -1;
+ return 0;
}
static int
return 0;
}
+static struct rt *
+if_route_get(struct dhcpcd_ctx *ctx, struct rt *rt)
+{
+ struct rtm rtm;
+ int s;
+ struct iovec iov = { .iov_base = &rtm, .iov_len = sizeof(rtm) };
+ struct msghdr msg = { .msg_iov = &iov, .msg_iovlen = 1 };
+ ssize_t len;
+ struct rt *rtw = rt;
+
+ if_route0(ctx, &rtm, RTM_GET, rt);
+ rt = NULL;
+ s = socket(PF_ROUTE, SOCK_RAW | SOCK_CLOEXEC, 0);
+ if (s == -1)
+ return NULL;
+ if (write(s, &rtm, rtm.hdr.rtm_msglen) == -1)
+ goto out;
+ if ((len = recvmsg(s, &msg, 0)) == -1)
+ goto out;
+ if ((size_t)len < sizeof(rtm.hdr) || len < rtm.hdr.rtm_msglen) {
+ errno = EINVAL;
+ goto out;
+ }
+ if (if_copyrt(ctx, rtw, &rtm.hdr) == -1)
+ goto out;
+ rt = rtw;
+
+out:
+ close(s);
+ return rt;
+}
+
+static void
+if_finishrt(struct dhcpcd_ctx *ctx, struct rt *rt)
+{
+ int mtu;
+
+ /* Solaris has a subnet route with the gateway
+ * of the owning address.
+ * dhcpcd has a blank gateway here to indicate a
+ * subnet route. */
+ if (!sa_is_unspecified(&rt->rt_dest) &&
+ !sa_is_unspecified(&rt->rt_gateway))
+ {
+ switch(rt->rt_gateway.sa_family) {
+#ifdef INET
+ case AF_INET:
+ {
+ struct in_addr *in;
+
+ in = &satosin(&rt->rt_gateway)->sin_addr;
+ if (ipv4_findaddr(ctx, in))
+ in->s_addr = INADDR_ANY;
+ break;
+ }
+#endif
+#ifdef INET6
+ case AF_INET6:
+ {
+ struct in6_addr *in6;
+
+ in6 = &satosin6(&rt->rt_gateway)->sin6_addr;
+ if (ipv6_findaddr(ctx, in6, 0))
+ *in6 = in6addr_any;
+ break;
+ }
+#endif
+ }
+ }
+
+ /* Solaris doesn't set interfaces for some routes.
+ * This sucks, so we need to call RTM_GET to
+ * work out the interface. */
+ if (rt->rt_ifp == NULL) {
+ if (if_route_get(ctx, rt) == NULL) {
+ rt->rt_ifp = if_loopback(ctx);
+ if (rt->rt_ifp == NULL) {
+ logerr(__func__);
+ return;
+ }
+ }
+ }
+
+ /* Solaris likes to set route MTU to match
+ * interface MTU when adding routes.
+ * This confuses dhcpcd as it expects MTU to be 0
+ * when no explicit MTU has been set. */
+ mtu = if_getmtu(rt->rt_ifp);
+ if (rt->rt_mtu == (unsigned int)mtu)
+ rt->rt_mtu = 0;
+}
+
static int
if_addrflags0(int fd, const char *ifname)
{
int
if_handlelink(struct dhcpcd_ctx *ctx)
{
- union {
- struct rt_msghdr rtmsg;
- unsigned char buf[2048];
- } u;
- struct iovec iov = { .iov_base = u.buf, .iov_len = sizeof(u) };
+ struct rtm rtm;
+ struct iovec iov = { .iov_base = &rtm, .iov_len = sizeof(rtm) };
struct msghdr msg = { .msg_iov = &iov, .msg_iovlen = 1 };
ssize_t len;
if ((len = recvmsg(ctx->link_fd, &msg, 0)) == -1)
return -1;
if (len != 0)
- if_dispatch(ctx, &u.rtmsg);
+ if_dispatch(ctx, &rtm.hdr);
return 0;
}
return if_unplumbif(ctx, af, ifname);
}
-struct rtm
-{
- struct rt_msghdr hdr;
- char buffer[sizeof(struct sockaddr_storage) * RTAX_MAX];
-};
-
-static void
-if_route0(struct dhcpcd_ctx *ctx, struct rtm *rtmsg,
- unsigned char cmd, const struct rt *rt)
-{
- struct rt_msghdr *rtm;
- char *bp = rtmsg->buffer;
- size_t l;
-
- /* WARNING: Solaris will not allow you to delete RTF_KERNEL routes.
- * This includes subnet/prefix routes. */
-
-#define ADDSA(sa) do { \
- l = RT_ROUNDUP(salen((sa))); \
- memcpy(bp, (sa), l); \
- bp += l; \
- } while (/* CONSTCOND */ 0)
-
- memset(rtmsg, 0, sizeof(*rtmsg));
- rtm = &rtmsg->hdr;
- rtm->rtm_version = RTM_VERSION;
- rtm->rtm_type = cmd;
- rtm->rtm_seq = ++ctx->seq;
- rtm->rtm_flags = rt->rt_flags;
- rtm->rtm_addrs = RTA_DST | RTA_GATEWAY;
-
- if (cmd == RTM_ADD || cmd == RTM_CHANGE) {
- bool netmask_bcast = sa_is_allones(&rt->rt_netmask);
-
- rtm->rtm_flags |= RTF_UP;
- if (!(rtm->rtm_flags & RTF_REJECT) &&
- !sa_is_loopback(&rt->rt_gateway) &&
- /* Solaris doesn't like interfaces on default routes. */
- !sa_is_unspecified(&rt->rt_dest))
- {
- rtm->rtm_addrs |= RTA_IFP;
-#if 0
- if (!sa_is_unspecified(&rt->rt_ifa))
- rtm->rtm_addrs |= RTA_IFA;
-#endif
- }
-
- if (netmask_bcast)
- rtm->rtm_flags |= RTF_HOST;
- else
- rtm->rtm_flags |= RTF_GATEWAY;
-
- /* Emulate the kernel by marking address generated
- * network routes non-static. */
- if (!(rt->rt_dflags & RTDF_IFA_ROUTE))
- rtm->rtm_flags |= RTF_STATIC;
-
- if (rt->rt_mtu != 0) {
- rtm->rtm_inits |= RTV_MTU;
- rtm->rtm_rmx.rmx_mtu = rt->rt_mtu;
- }
- }
-
- if (!(rtm->rtm_flags & RTF_HOST))
- rtm->rtm_addrs |= RTA_NETMASK;
-
- ADDSA(&rt->rt_dest);
-
- if (sa_is_unspecified(&rt->rt_gateway))
- ADDSA(&rt->rt_ifa);
- else
- ADDSA(&rt->rt_gateway);
-
- if (rtm->rtm_addrs & RTA_NETMASK)
- ADDSA(&rt->rt_netmask);
-
- if (rtm->rtm_addrs & RTA_IFP) {
- struct sockaddr_dl sdl;
-
- if_linkaddr(&sdl, rt->rt_ifp);
- ADDSA((struct sockaddr *)&sdl);
- }
-
- if (rtm->rtm_addrs & RTA_IFA) {
- ADDSA(&rt->rt_ifa);
- rtm->rtm_addrs |= RTA_SRC;
- }
- if (rtm->rtm_addrs & RTA_SRC)
- ADDSA(&rt->rt_ifa);
-
-#undef ADDSA
-
- rtm->rtm_msglen = (unsigned short)(bp - (char *)rtm);
-}
-
-int
-if_route(unsigned char cmd, const struct rt *rt)
-{
- struct rtm rtm;
- struct dhcpcd_ctx *ctx = rt->rt_ifp->ctx;
-
- if_route0(ctx, &rtm, cmd, rt);
-
- if (write(ctx->link_fd, &rtm, rtm.hdr.rtm_msglen) == -1)
- return -1;
- return 0;
-}
-
-static struct rt *
-if_route_get(struct dhcpcd_ctx *ctx, struct rt *rt)
-{
- struct rtm rtm;
- int s;
- struct iovec iov = { .iov_base = &rtm, .iov_len = sizeof(rtm) };
- struct msghdr msg = { .msg_iov = &iov, .msg_iovlen = 1 };
- ssize_t len;
- struct rt *rtw = rt;
-
- if_route0(ctx, &rtm, RTM_GET, rt);
- rt = NULL;
- s = socket(PF_ROUTE, SOCK_RAW | SOCK_CLOEXEC, 0);
- if (s == -1)
- return NULL;
- if (write(s, &rtm, rtm.hdr.rtm_msglen) == -1)
- goto out;
- if ((len = recvmsg(s, &msg, 0)) == -1)
- goto out;
- if ((size_t)len < sizeof(rtm.hdr) || len < rtm.hdr.rtm_msglen) {
- errno = EINVAL;
- goto out;
- }
- if (if_copyrt(ctx, rtw, &rtm.hdr) == -1)
- goto out;
- rt = rtw;
-
-out:
- close(s);
- return rt;
-}
-
#ifdef INET
static int
if_walkrt(struct dhcpcd_ctx *ctx, char *data, size_t len)
default:
break;
}
+
memset(&rt, 0, sizeof(rt));
rt.rt_dflags |= RTDF_INIT;
in.s_addr = re->ipRouteDest;
in.s_addr = re->ipRouteInfo.re_src_addr;
sa_in_init(&rt.rt_ifa, &in);
rt.rt_mtu = re->ipRouteInfo.re_max_frag;
-
if_octetstr(ifname, &re->ipRouteIfIndex, sizeof(ifname));
rt.rt_ifp = if_find(ctx->ifaces, ifname);
if_finishrt(ctx, &rt);
- if (rt.rt_ifp == NULL) {
- /* Solris doesn't set interfaces for some routes.
- * This sucks, so we need to call RTM_GET to
- * work out the interface. */
- if (if_route_get(ctx, &rt) == NULL) {
- rt.rt_ifp = if_loopback(ctx);
- if (rt.rt_ifp == NULL) {
- logerr(__func__);
- continue;
- }
- }
- if_finishrt(ctx, &rt);
- }
rt_recvrt(RTM_ADD, &rt, 0);
} while (++re < e);
return 0;
default:
break;
}
+
memset(&rt, 0, sizeof(rt));
rt.rt_dflags |= RTDF_INIT;
sa_in6_init(&rt.rt_dest, &re->ipv6RouteDest);
sa_in6_init(&rt.rt_netmask, &in6);
sa_in6_init(&rt.rt_gateway, &re->ipv6RouteNextHop);
rt.rt_mtu = re->ipv6RouteInfo.re_max_frag;
-
if_octetstr(ifname, &re->ipv6RouteIfIndex, sizeof(ifname));
rt.rt_ifp = if_find(ctx->ifaces, ifname);
if_finishrt(ctx, &rt);
- if (rt.rt_ifp == NULL) {
- /* Solris doesn't set interfaces for some routes.
- * This sucks, so we need to call RTM_GET to
- * work out the interface. */
- if (if_route_get(ctx, &rt) == NULL) {
- rt.rt_ifp = if_loopback(ctx);
- if (rt.rt_ifp == NULL) {
- logerr(__func__);
- continue;
- }
- }
- if_finishrt(ctx, &rt);
- }
+ rt_recvrt(RTM_ADD, &rt, 0);
} while (++re < e);
return 0;
}
projects / thirdparty / dhcpcd.git / commitdiff
