diff options
| author | Lennart Poettering <lennart@poettering.net> | 2014-02-13 14:07:59 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2014-02-13 14:07:59 +0100 |
| commit | a42c8b54b1619078c02f5e439bd2564c6d0f901f (patch) | |
| tree | d22e4c62c4c254bbdc1eb2c356a7bfbe10a79d70 /src | |
| parent | d595c5cc9e894c3608ed634052b0ba93aa94bf2f (diff) | |
nspawn: --private-network should imply CAP_NET_ADMIN
Diffstat (limited to 'src')
| -rw-r--r-- | src/nspawn/nspawn.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c index 679c005071..9ce1fa9b49 100644 --- a/src/nspawn/nspawn.c +++ b/src/nspawn/nspawn.c @@ -216,6 +216,7 @@ static int parse_argv(int argc, char *argv[]) { }; int c, r; + uint64_t plus = 0, minus = 0; assert(argc >= 0); assert(argv); @@ -325,9 +326,9 @@ static int parse_argv(int argc, char *argv[]) { if (streq(t, "all")) { if (c == ARG_CAPABILITY) - arg_retain = (uint64_t) -1; + plus = (uint64_t) -1; else - arg_retain = 0; + minus = (uint64_t) -1; } else { if (cap_from_name(t, &cap) < 0) { log_error("Failed to parse capability %s.", t); @@ -335,9 +336,9 @@ static int parse_argv(int argc, char *argv[]) { } if (c == ARG_CAPABILITY) - arg_retain |= 1ULL << (uint64_t) cap; + plus |= 1ULL << (uint64_t) cap; else - arg_retain &= ~(1ULL << (uint64_t) cap); + minus |= 1ULL << (uint64_t) cap; } } @@ -460,6 +461,8 @@ static int parse_argv(int argc, char *argv[]) { return -EINVAL; } + arg_retain = (arg_retain | plus | (arg_private_network ? 1ULL << CAP_NET_ADMIN : 0)) & ~minus; + return 1; } |