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| author | Lennart Poettering <lennart@poettering.net> | 2015-06-16 19:50:59 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2015-06-16 19:50:59 +0200 |
| commit | 3eb3228e583e7e07dc3f2d17ea02dcb06f30fcc0 (patch) | |
| tree | 6df9dc162cb385b81704b2240e16ba1519fec412 | |
| parent | c986cc70002cf8f28e6ea1e63da46a8124a0882c (diff) | |
| parent | b774fb7f002c9877391e8d4fe8e6b6d0ea8647da (diff) | |
Merge pull request #231 from tixxdz/nspawn-userns-fixes-2
nspawn: check if kernel supports userns as early as possible
| -rw-r--r-- | src/nspawn/nspawn.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c index eea994d0b3..3c31629d1e 100644 --- a/src/nspawn/nspawn.c +++ b/src/nspawn/nspawn.c @@ -1013,6 +1013,9 @@ static int parse_argv(int argc, char *argv[]) { return -EINVAL; } + if (arg_userns && access("/proc/self/uid_map", F_OK) < 0) + return log_error_errno(EOPNOTSUPP, "--private-users= is not supported, kernel compiled without user namespace support."); + arg_retain = (arg_retain | plus | (arg_private_network ? 1ULL << CAP_NET_ADMIN : 0)) & ~minus; if (arg_boot && arg_kill_signal <= 0) |