diff options
Diffstat (limited to 'session/direct.c')
| -rw-r--r-- | session/direct.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/session/direct.c b/session/direct.c index 3615aec5..e6c2440f 100644 --- a/session/direct.c +++ b/session/direct.c @@ -321,17 +321,35 @@ static void communicate(int sock) { } -static struct wlr_session *direct_session_start(struct wl_display *disp) { +#ifdef HAS_LIBCAP +static bool have_permissions(void) { cap_t cap = cap_get_proc(); cap_flag_value_t val; if (!cap || cap_get_flag(cap, CAP_SYS_ADMIN, CAP_PERMITTED, &val) || val != CAP_SET) { wlr_log(L_ERROR, "Do not have CAP_SYS_ADMIN; cannot become DRM master"); cap_free(cap); - return NULL; + return false; } cap_free(cap); + return true; +} +#else +static bool have_permissions(void) { + if (geteuid() != 0) { + wlr_log(L_ERROR, "Do not have root privileges; cannot become DRM master"); + return false; + } + + return true; +} +#endif + +static struct wlr_session *direct_session_start(struct wl_display *disp) { + if (!have_permissions()) { + return NULL; + } int sock[2]; if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, sock) < 0) { |