diff options
| author | Hans Dedecker <dedeckeh@gmail.com> | 2014-11-13 15:57:59 +0000 |
|---|---|---|
| committer | Steven Barth <steven@midlink.org> | 2014-11-19 09:30:30 +0100 |
| commit | a34e76b707355a2bdaee0cda243f4f82ef17eb9a (patch) | |
| tree | 947562bba412810932f6e3dcc1968f9e77ded5ae /system-linux.c | |
| parent | f6f065d3997ccc8d42805529e4aad59b789579ad (diff) | |
| download | netifd-a34e76b707355a2bdaee0cda243f4f82ef17eb9a.tar.gz | |
netifd: Add acceptlocal config support
Adds support to accept packets with local source address.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
Diffstat (limited to 'system-linux.c')
| -rw-r--r-- | system-linux.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/system-linux.c b/system-linux.c index bb7ccf9..83827d5 100644 --- a/system-linux.c +++ b/system-linux.c @@ -270,6 +270,11 @@ static void system_set_rpfilter(struct device *dev, const char *val) system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/rp_filter", dev->ifname, val); } +static void system_set_acceptlocal(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/accept_local", dev->ifname, val); +} + static int system_get_sysctl(const char *path, char *buf, const size_t buf_sz) { int fd = -1, ret = -1; @@ -310,6 +315,12 @@ static int system_get_rpfilter(struct device *dev, char *buf, const size_t buf_s dev->ifname, buf, buf_sz); } +static int system_get_acceptlocal(struct device *dev, char *buf, const size_t buf_sz) +{ + return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/accept_local", + dev->ifname, buf, buf_sz); +} + // Evaluate netlink messages static int cb_rtnl_event(struct nl_msg *msg, void *arg) { @@ -969,6 +980,11 @@ system_if_get_settings(struct device *dev, struct device_settings *s) s->rpfilter = strtoul(buf, NULL, 0); s->flags |= DEV_OPT_RPFILTER; } + + if (!system_get_acceptlocal(dev, buf, sizeof(buf))) { + s->acceptlocal = strtoul(buf, NULL, 0); + s->flags |= DEV_OPT_ACCEPTLOCAL; + } } void @@ -1010,6 +1026,8 @@ system_if_apply_settings(struct device *dev, struct device_settings *s, unsigned snprintf(buf, sizeof(buf), "%d", s->rpfilter); system_set_rpfilter(dev, buf); } + if (s->flags & DEV_OPT_ACCEPTLOCAL & apply_mask) + system_set_acceptlocal(dev, s->acceptlocal ? "1" : "0"); } int system_if_up(struct device *dev) |