systemd/0540-nspawn-copy-dev-net-tu...

46 lines
1.7 KiB
Diff

From 85614d663e4a09beee1c78aaa67f02943d50d5a0 Mon Sep 17 00:00:00 2001
From: Tom Gundersen <teg@jklm.no>
Date: Wed, 8 Oct 2014 15:01:07 +0200
Subject: [PATCH] nspawn: copy /dev/net/tun from host
This enables tuntap support in the container (assumning the necessary capabilities are in place).
---
src/nspawn/nspawn.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 34436b82a2..da4c116f36 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -1101,7 +1101,8 @@ static int copy_devnodes(const char *dest) {
"full\0"
"random\0"
"urandom\0"
- "tty\0";
+ "tty\0"
+ "net/tun\0";
const char *d;
int r = 0;
@@ -1132,10 +1133,17 @@ static int copy_devnodes(const char *dest) {
log_error("%s is not a char or block device, cannot copy", from);
return -EIO;
- } else if (mknod(to, st.st_mode, st.st_rdev) < 0) {
+ } else {
+ r = mkdir_parents(to, 0775);
+ if (r < 0) {
+ log_error("Failed to create parent directory of %s: %s", to, strerror(-r));
+ return -r;
+ }
- log_error("mknod(%s) failed: %m", dest);
- return -errno;
+ if (mknod(to, st.st_mode, st.st_rdev) < 0) {
+ log_error("mknod(%s) failed: %m", dest);
+ return -errno;
+ }
}
}