diff options
Diffstat (limited to 'system-linux.c')
| -rw-r--r-- | system-linux.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/system-linux.c b/system-linux.c index acfd40e..d533be8 100644 --- a/system-linux.c +++ b/system-linux.c @@ -45,6 +45,8 @@ #include <linux/veth.h> #include <linux/version.h> +#include <sched.h> + #ifndef RTN_FAILED_POLICY #define RTN_FAILED_POLICY 12 #endif @@ -1243,6 +1245,25 @@ nla_put_failure: return -ENOMEM; } +int system_link_netns_move(const char *ifname, int netns_fd) +{ + struct nl_msg *msg; + struct ifinfomsg iim = { + .ifi_family = AF_UNSPEC, + .ifi_index = 0, + }; + + msg = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST); + + if (!msg) + return -1; + + nlmsg_append(msg, &iim, sizeof(iim), 0); + nla_put_string(msg, IFLA_IFNAME, ifname); + nla_put_u32(msg, IFLA_NET_NS_FD, netns_fd); + return system_rtnl_call(msg); +} + static int system_link_del(const char *ifname) { struct nl_msg *msg; @@ -1266,6 +1287,20 @@ int system_macvlan_del(struct device *macvlan) return system_link_del(macvlan->ifname); } +int system_netns_open(const pid_t target_ns) +{ + char pid_net_path[PATH_MAX]; + + snprintf(pid_net_path, sizeof(pid_net_path), "/proc/%u/ns/net", target_ns); + + return open(pid_net_path, O_RDONLY); +} + +int system_netns_set(int netns_fd) +{ + return setns(netns_fd, CLONE_NEWNET); +} + int system_veth_add(struct device *veth, struct veth_config *cfg) { struct nl_msg *msg; |