diff options
Diffstat (limited to 'src/libsystemd-bus/bus-kernel.c')
| -rw-r--r-- | src/libsystemd-bus/bus-kernel.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/src/libsystemd-bus/bus-kernel.c b/src/libsystemd-bus/bus-kernel.c index 05544e1e47..19d97b7e00 100644 --- a/src/libsystemd-bus/bus-kernel.c +++ b/src/libsystemd-bus/bus-kernel.c @@ -793,12 +793,27 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k) { } case KDBUS_ITEM_CREDS: - m->creds.pid_starttime = d->creds.starttime / NSEC_PER_USEC; + /* UID/GID/PID are always valid */ m->creds.uid = d->creds.uid; m->creds.gid = d->creds.gid; m->creds.pid = d->creds.pid; - m->creds.tid = d->creds.tid; - m->creds.mask |= (SD_BUS_CREDS_UID|SD_BUS_CREDS_GID|SD_BUS_CREDS_PID|SD_BUS_CREDS_PID_STARTTIME|SD_BUS_CREDS_TID) & bus->creds_mask; + m->creds.mask |= (SD_BUS_CREDS_UID|SD_BUS_CREDS_GID|SD_BUS_CREDS_PID) & bus->creds_mask; + + /* The PID starttime/TID might be missing + * however, when the data is faked by some + * data bus proxy and it lacks that + * information about the real client since + * SO_PEERCRED is used for that */ + + if (d->creds.starttime > 0) { + m->creds.pid_starttime = d->creds.starttime / NSEC_PER_USEC; + m->creds.mask |= SD_BUS_CREDS_PID_STARTTIME & bus->creds_mask; + } + + if (d->creds.tid > 0) { + m->creds.tid = d->creds.tid; + m->creds.mask |= SD_BUS_CREDS_TID & bus->creds_mask; + } break; case KDBUS_ITEM_TIMESTAMP: |