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Diffstat (limited to 'accel-pppd/libnetlink')
-rw-r--r--accel-pppd/libnetlink/iputils.c116
-rw-r--r--accel-pppd/libnetlink/iputils.h1
2 files changed, 75 insertions, 42 deletions
diff --git a/accel-pppd/libnetlink/iputils.c b/accel-pppd/libnetlink/iputils.c
index fb85973..480f028 100644
--- a/accel-pppd/libnetlink/iputils.c
+++ b/accel-pppd/libnetlink/iputils.c
@@ -39,7 +39,7 @@ static void open_rth(void)
if (!rth)
return;
-
+
memset(rth, 0, sizeof(*rth));
if (rtnl_open(rth, 0)) {
@@ -78,7 +78,7 @@ static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n, void *
if (tb[IFLA_IFNAME] == NULL)
return 0;
-
+
//printf("%i %s\n", ifi->ifi_index, RTA_DATA(tb[IFLA_IFNAME]));
return a->func(ifi->ifi_index, ifi->ifi_flags, RTA_DATA(tb[IFLA_IFNAME]), a->arg);
@@ -127,12 +127,12 @@ int __export iplink_get_stats(int ifindex, struct rtnl_link_stats *stats)
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
req.n.nlmsg_type = RTM_GETLINK;
@@ -158,10 +158,10 @@ int __export iplink_get_stats(int ifindex, struct rtnl_link_stats *stats)
memcpy(stats, RTA_DATA(tb[IFLA_STATS]), sizeof(*stats));
else
return -1;
-
+
return 0;
}
-
+
int __export iplink_vlan_add(const char *ifname, int ifindex, int vid)
{
struct iplink_req {
@@ -173,20 +173,20 @@ int __export iplink_vlan_add(const char *ifname, int ifindex, int vid)
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_CREATE | NLM_F_EXCL;
req.n.nlmsg_type = RTM_NEWLINK;
req.i.ifi_family = AF_UNSPEC;
-
+
addattr_l(&req.n, 4096, IFLA_LINK, &ifindex, 4);
addattr_l(&req.n, 4096, IFLA_IFNAME, ifname, strlen(ifname));
-
+
linkinfo = NLMSG_TAIL(&req.n);
addattr_l(&req.n, 4096, IFLA_LINKINFO, NULL, 0);
addattr_l(&req.n, 4096, IFLA_INFO_KIND, "vlan", 4);
@@ -195,12 +195,12 @@ int __export iplink_vlan_add(const char *ifname, int ifindex, int vid)
addattr_l(&req.n, 4096, IFLA_INFO_DATA, NULL, 0);
addattr_l(&req.n, 4096, IFLA_VLAN_ID, &vid, 2);
data->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)data;
-
+
linkinfo->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)linkinfo;
if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
return -1;
-
+
return 0;
}
@@ -215,18 +215,18 @@ int __export iplink_vlan_del(int ifindex)
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
req.n.nlmsg_type = RTM_DELLINK;
req.i.ifi_family = AF_UNSPEC;
req.i.ifi_index = ifindex;
-
+
linkinfo = NLMSG_TAIL(&req.n);
addattr_l(&req.n, 4096, IFLA_LINKINFO, NULL, 0);
addattr_l(&req.n, 4096, IFLA_INFO_KIND, "vlan", 4);
@@ -234,12 +234,12 @@ int __export iplink_vlan_del(int ifindex)
/*data = NLMSG_TAIL(&req.n);
addattr_l(&req.n, 4096, IFLA_VLAN_ID, &vid, 2);
data->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)data;*/
-
+
linkinfo->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)linkinfo;
if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
return -1;
-
+
return 0;
}
@@ -253,12 +253,12 @@ int __export ipaddr_add(int ifindex, in_addr_t addr, int mask)
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE;
req.n.nlmsg_type = RTM_NEWADDR;
@@ -270,7 +270,7 @@ int __export ipaddr_add(int ifindex, in_addr_t addr, int mask)
if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
return -1;
-
+
return 0;
}
@@ -284,12 +284,12 @@ int __export ipaddr_del(int ifindex, in_addr_t addr, int mask)
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_type = RTM_DELADDR;
@@ -301,7 +301,7 @@ int __export ipaddr_del(int ifindex, in_addr_t addr, int mask)
if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
return -1;
-
+
return 0;
}
@@ -315,12 +315,12 @@ int __export iproute_add(int ifindex, in_addr_t src, in_addr_t dst, in_addr_t gw
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE;
req.n.nlmsg_type = RTM_NEWROUTE;
@@ -341,7 +341,7 @@ int __export iproute_add(int ifindex, in_addr_t src, in_addr_t dst, in_addr_t gw
if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
return -1;
-
+
return 0;
}
@@ -355,12 +355,12 @@ int __export iproute_del(int ifindex, in_addr_t dst, int proto)
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
req.n.nlmsg_type = RTM_DELROUTE;
@@ -376,7 +376,7 @@ int __export iproute_del(int ifindex, in_addr_t dst, int proto)
if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
return -1;
-
+
return 0;
}
@@ -390,12 +390,12 @@ int __export ip6route_add(int ifindex, struct in6_addr *dst, int pref_len, int p
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE;
req.n.nlmsg_type = RTM_NEWROUTE;
@@ -411,11 +411,43 @@ int __export ip6route_add(int ifindex, struct in6_addr *dst, int pref_len, int p
if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
return -1;
-
+
return 0;
}
+int __export ip6addr_add(int ifindex, struct in6_addr *addr, int prefix_len)
+{
+ struct ipaddr_req {
+ struct nlmsghdr n;
+ struct ifaddrmsg i;
+ char buf[4096];
+ } req;
+
+ if (!rth)
+ open_rth();
+
+ if (!rth)
+ return -1;
+
+ memset(&req, 0, sizeof(req) - 4096);
+
+ req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
+ req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE;
+ req.n.nlmsg_type = RTM_NEWADDR;
+ req.i.ifa_family = AF_INET6;
+ req.i.ifa_index = ifindex;
+ req.i.ifa_prefixlen = prefix_len;
+ req.i.ifa_flags = IFA_F_NODAD;
+
+ addattr_l(&req.n, sizeof(req), IFA_ADDRESS, addr, 16);
+
+ if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
+ return -1;
+
+ return 0;
+}
+
in_addr_t __export iproute_get(in_addr_t dst, in_addr_t *gw)
{
struct ipaddr_req {
@@ -433,12 +465,12 @@ in_addr_t __export iproute_get(in_addr_t dst, in_addr_t *gw)
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_type = RTM_GETROUTE;
@@ -460,7 +492,7 @@ in_addr_t __export iproute_get(in_addr_t dst, in_addr_t *gw)
r = NLMSG_DATA(&req.n);
len = req.n.nlmsg_len;
-
+
if (req.n.nlmsg_type != RTM_NEWROUTE) {
log_error("failed to detect route to server (wrong netlink message type)");
goto out;
@@ -473,7 +505,7 @@ in_addr_t __export iproute_get(in_addr_t dst, in_addr_t *gw)
}
parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len);
-
+
if (tb[RTA_PREFSRC])
res = *(uint32_t *)RTA_DATA(tb[RTA_PREFSRC]);
@@ -494,12 +526,12 @@ int __export iprule_add(uint32_t addr, int table)
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_type = RTM_NEWRULE;
@@ -516,7 +548,7 @@ int __export iprule_add(uint32_t addr, int table)
if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
return -1;
-
+
return 0;
}
@@ -530,12 +562,12 @@ int __export iprule_del(uint32_t addr, int table)
if (!rth)
open_rth();
-
+
if (!rth)
return -1;
memset(&req, 0, sizeof(req) - 4096);
-
+
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_type = RTM_DELRULE;
@@ -552,7 +584,7 @@ int __export iprule_del(uint32_t addr, int table)
if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
return -1;
-
+
return 0;
}
diff --git a/accel-pppd/libnetlink/iputils.h b/accel-pppd/libnetlink/iputils.h
index b9a6488..6097627 100644
--- a/accel-pppd/libnetlink/iputils.h
+++ b/accel-pppd/libnetlink/iputils.h
@@ -19,6 +19,7 @@ int iproute_del(int ifindex, in_addr_t dst, int proto);
in_addr_t iproute_get(in_addr_t dst, in_addr_t *gw);
int ip6route_add(int ifindex, struct in6_addr *dst, int prefix_len, int proto);
+int ip6addr_add(int ifindex, struct in6_addr *addr, int prefix_len);
int iprule_add(uint32_t addr, int table);
int iprule_del(uint32_t addr, int table);
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-17 04:37:27 +0000