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authorDamien Miller <djm@mindrot.org>2017-10-25 05:09:56 +0200
committerDamien Miller <djm@mindrot.org>2017-10-25 05:09:56 +0200
commit97c5aaf925d61641d599071abb56012cde265978 (patch)
treee5c43efef9ec7e1901f8ba7494ee5de17ed749d0 /openbsd-compat/port-net.c
parentimplement get/set_rdomain() for Linux (diff)
downloadopenssh-97c5aaf925d61641d599071abb56012cde265978.tar.xz
openssh-97c5aaf925d61641d599071abb56012cde265978.zip
basic valid_rdomain() implementation for Linux
Diffstat (limited to 'openbsd-compat/port-net.c')
-rw-r--r--openbsd-compat/port-net.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/openbsd-compat/port-net.c b/openbsd-compat/port-net.c
index f6e32ad49..efc9f46fb 100644
--- a/openbsd-compat/port-net.c
+++ b/openbsd-compat/port-net.c
@@ -76,7 +76,22 @@ sys_set_rdomain(int fd, const char *name)
int
valid_rdomain(const char *name)
{
- return 0;
+ int fd;
+
+ /*
+ * This is a pretty crappy way to test. It would be better to
+ * check whether "name" represents a VRF device, but apparently
+ * that requires an rtnetlink transaction.
+ */
+ if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
+ return 0;
+ if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE,
+ name, strlen(name)) == -1) {
+ close(fd);
+ return 0;
+ }
+ close(fd);
+ return 1;
}
#elif defined(SYS_RDOMAIN_XXX)
/* XXX examples */