#include "config.h"
#include <xf86drm.h>
+#include <grp.h>
#include "tbm_bufmgr_int.h"
NULL);
}
+static int
+_tbm_getgrnam_r(const char *name)
+{
+ struct group *grp = NULL;
+ struct group *grp_res = NULL;
+ char* buf = NULL;
+ size_t buf_len;
+ int ret;
+ int id;
+
+ buf_len = sysconf(_SC_GETGR_R_SIZE_MAX);
+ if (buf_len == -1)
+ buf_len = 2048;
+
+ buf = calloc(1, buf_len * sizeof(char));
+ if (!buf) {
+ TBM_LOG_E("creating buffer failed\n");
+ goto failed;
+ }
+
+ grp = calloc(1, sizeof(struct group));
+ if (!grp) {
+ TBM_LOG_E("creating group failed\n");
+ goto failed;
+ }
+
+ ret = getgrnam_r(name, grp, buf, buf_len, &grp_res);
+ if (ret < 0) {
+ TBM_LOG_E("getgrnam_r failed errno:%d(%m)\n", ret);
+ goto failed;
+ }
+
+ if (grp_res == NULL) {
+ TBM_LOG_E("finding name:%s group failed\n", name);
+ goto failed;
+ }
+
+ id = grp->gr_gid;
+ free(buf);
+ free(grp);
+
+ return id;
+
+failed:
+ if (buf)
+ free(buf);
+ if (grp)
+ free(grp);
+
+ return -1;
+}
+
+static int
+_tbm_drm_auth_socket_init(struct wayland_tbm_drm_auth_server *tbm_drm_auth_srv)
+{
+ const char *dir = NULL;
+ char socket_path[128];
+ int ret = -1;
+ uid_t uid;
+ gid_t gid;
+
+ if (wl_display_add_socket(tbm_drm_auth_srv->display, "tbm-drm-auth")) {
+ TBM_LOG_E("createing a tdm-socket failed\n");
+ return 0;
+ }
+
+ dir = getenv("XDG_RUNTIME_DIR");
+ if (!dir) {
+ TBM_LOG_E("getting XDG_RUNTIME_DIR failed\n");
+ return 0;
+ }
+
+ snprintf(socket_path, sizeof(socket_path), "%s/%s", dir, "tbm-drm-auth");
+
+ ret = chmod(socket_path, 509);
+ if (ret < 0) {
+ TBM_LOG_E("changing modes of socket file failed:%s (%m)\n", socket_path);
+ return 0;
+ }
+
+ ret = _tbm_getgrnam_r("root");
+ if (ret < 0) {
+ TBM_LOG_E("getting uid failed\n");
+ return 0;
+ }
+ uid = ret;
+
+ ret = _tbm_getgrnam_r("display");
+ if (ret < 0) {
+ TBM_LOG_E("getting gid failed\n");
+ return 0;
+ }
+ gid = ret;
+
+ ret = chown(socket_path, uid, gid);
+ if (ret < 0) {
+ TBM_LOG_E("changing owner of socket file failed:%s (%m)\n", socket_path);
+ return 0;
+ }
+
+ return 1;
+}
+
int
tbm_drm_helper_wl_auth_server_init(void *wl_display, int fd, const char *device_name, uint32_t flags)
{
tbm_drm_auth_srv->fd = fd;
tbm_drm_auth_srv->flags = flags;
- if (wl_display_add_socket(tbm_drm_auth_srv->display, "tbm-drm-auth")) {
- TBM_LOG_E("[TBM_DRM] fail to add socket\n");
+ if (!_tbm_drm_auth_socket_init(tbm_drm_auth_srv)) {
+ TBM_LOG_E("[TBM_DRM] fail to _tbm_drm_auth_socket_init\n");
if (tbm_drm_auth_srv->device_name)
free(tbm_drm_auth_srv->device_name);