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| author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-12-17 00:42:49 -0500 |
|---|---|---|
| committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-12-17 00:42:49 -0500 |
| commit | ccef261c077d31dce02aa92e519b23b3a2a58303 (patch) | |
| tree | 582fafc98c76e98e912f453fb55ca57f29273d57 /src/nss-mymachines | |
| parent | 5d4922bba91c6d60b3b9f38fb29fda0f6ba8338d (diff) | |
| parent | 5fb2a20a29c2cc0494d5a31e175a8e3ff0b2d3e2 (diff) | |
Merge tag 'systemd/v232-4.parabola1' into systemd/parabola
Diffstat (limited to 'src/nss-mymachines')
| -rw-r--r-- | src/nss-mymachines/nss-mymachines.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/nss-mymachines/nss-mymachines.c b/src/nss-mymachines/nss-mymachines.c index 8d57b26cbc..895f61c462 100644 --- a/src/nss-mymachines/nss-mymachines.c +++ b/src/nss-mymachines/nss-mymachines.c @@ -25,6 +25,7 @@ #include "alloc-util.h" #include "bus-common-errors.h" +#include "env-util.h" #include "hostname-util.h" #include "in-addr-util.h" #include "macro.h" @@ -434,6 +435,12 @@ enum nss_status _nss_mymachines_getpwnam_r( if (!machine_name_is_valid(machine)) goto not_found; + if (getenv_bool("SYSTEMD_NSS_BYPASS_BUS") > 0) + /* Make sure we can't deadlock if we are invoked by dbus-daemon. This way, it won't be able to resolve + * these UIDs, but that should be unproblematic as containers should never be able to connect to a bus + * running on the host. */ + goto not_found; + r = sd_bus_open_system(&bus); if (r < 0) goto fail; @@ -514,6 +521,9 @@ enum nss_status _nss_mymachines_getpwuid_r( if (uid < HOST_UID_LIMIT) goto not_found; + if (getenv_bool("SYSTEMD_NSS_BYPASS_BUS") > 0) + goto not_found; + r = sd_bus_open_system(&bus); if (r < 0) goto fail; @@ -605,6 +615,9 @@ enum nss_status _nss_mymachines_getgrnam_r( if (!machine_name_is_valid(machine)) goto not_found; + if (getenv_bool("SYSTEMD_NSS_BYPASS_BUS") > 0) + goto not_found; + r = sd_bus_open_system(&bus); if (r < 0) goto fail; @@ -682,6 +695,9 @@ enum nss_status _nss_mymachines_getgrgid_r( if (gid < HOST_GID_LIMIT) goto not_found; + if (getenv_bool("SYSTEMD_NSS_BYPASS_BUS") > 0) + goto not_found; + r = sd_bus_open_system(&bus); if (r < 0) goto fail; |