#define WL_HIDE_DEPRECATED
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
+#include "config.h"
#include <xf86drm.h>
+#include <grp.h>
#include "tbm_bufmgr_int.h"
uint32_t flags;
};
-#define MIN(x,y) (((x)<(y))?(x):(y))
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
struct wayland_tbm_drm_auth_server *tbm_drm_auth_srv;
+/* LCOV_EXCL_START */
static void
_send_server_auth_info(struct wayland_tbm_drm_auth_server *tbm_drm_auth_srv,
struct wl_resource *resource)
fd = open(tbm_drm_auth_srv->device_name, O_RDWR | O_CLOEXEC);
if (fd == -1 && errno == EINVAL) {
fd = open(tbm_drm_auth_srv->device_name, O_RDWR);
- if (fd != -1)
- fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
+ if (fd != -1) {
+ if (fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC) == -1) {
+ TBM_LOG_E("failed to set fd\n");
+ goto fini;
+ }
+ }
}
if (fd < 0) {
- TBM_LOG("failed to open drm : device_name, %s\n", tbm_drm_auth_srv->device_name);
+ TBM_LOG_E("failed to open drm : device_name, %s\n", tbm_drm_auth_srv->device_name);
wl_resource_post_error(resource, WL_TBM_DRM_AUTH_ERROR_AUTHENTICATE_FAIL,
"authenicate failed::open_drm");
if (drmGetMagic(fd, &magic) < 0) {
if (errno != EACCES) {
- TBM_LOG("failed to get magic\n");
+ TBM_LOG_E("failed to get magic\n");
wl_resource_post_error(resource, WL_TBM_DRM_AUTH_ERROR_AUTHENTICATE_FAIL,
"authenicate failed::get_magic");
}
if (drmAuthMagic(tbm_drm_auth_srv->fd, magic) < 0) {
- TBM_LOG("failed to authenticate magic\n");
+ TBM_LOG_E("failed to authenticate magic\n");
wl_resource_post_error(resource, WL_TBM_DRM_AUTH_ERROR_AUTHENTICATE_FAIL,
"authenicate failed::auth_magic");
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 void
+_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;
+
+ dir = getenv("XDG_RUNTIME_DIR");
+ if (!dir) {
+ TBM_LOG_W("getting XDG_RUNTIME_DIR failed\n");
+ return;
+ }
+
+ snprintf(socket_path, sizeof(socket_path), "%s/%s", dir, "tbm-drm-auth");
+
+ ret = chmod(socket_path, 509);
+ if (ret < 0) {
+ TBM_LOG_W("changing modes of socket file failed:%s (%m)\n", socket_path);
+ return;
+ }
+
+ ret = _tbm_getgrnam_r("root");
+ if (ret < 0) {
+ TBM_LOG_W("getting uid failed\n");
+ return;
+ }
+ uid = ret;
+
+ ret = _tbm_getgrnam_r("display");
+ if (ret < 0) {
+ TBM_LOG_W("getting gid failed\n");
+ return;
+ }
+ gid = ret;
+
+ ret = chown(socket_path, uid, gid);
+ if (ret < 0) {
+ TBM_LOG_W("changing owner of socket file failed:%s (%m)\n", socket_path);
+ return;
+ }
+}
+
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("[TBM_DRM] fail to add socket\n");
+ 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_srv->device_name)
free(tbm_drm_auth_srv->device_name);
return 0;
}
+ _tbm_drm_auth_socket_init(tbm_drm_auth_srv);
+
/* init the client resource list */
tbm_drm_auth_srv->wl_tbm_drm_auth_global = wl_global_create(tbm_drm_auth_srv->display, &wl_tbm_drm_auth_interface, 1,
tbm_drm_auth_srv, _wayland_tbm_drm_auth_server_bind_cb);
int
tbm_drm_helper_get_master_fd(void)
{
- const char *value;
- int ret, flags, fd = -1;
- int new_fd = -1;
-
- value = (const char*)getenv("TDM_DRM_MASTER_FD");
- if (!value)
- return -1;
-
- ret = sscanf(value, "%d", &fd);
- if (ret <= 0)
- return -1;
+ const char *value;
+ int flags, fd = -1;
+ int new_fd = -1;
+ char *end;
+ errno = 0;
+
+ value = (const char*)getenv("TDM_DRM_MASTER_FD");
+ if (!value)
+ return -1;
+
+ const long sl = strtol(value, &end, 10);
+ if (end == value) {
+ TBM_LOG_E("%s: not a decimal number\n", value);
+ return -1;
+ } else if (*end != '\0') {
+ TBM_LOG_E("%s: extra characters at end of input: %s\n", value, end);
+ return -1;
+ } else if ((sl == LONG_MIN || sl == LONG_MAX) && errno == ERANGE) {
+ TBM_LOG_E("%s out of range of type long\n", value);
+ return -1;
+ } else if (sl > INT_MAX) {
+ TBM_LOG_E("%ld greater than INT_MAX\n", sl);
+ return -1;
+ } else if (sl < INT_MIN) {
+ TBM_LOG_E("%ld less than INT_MIN\n", sl);
+ return -1;
+ } else {
+ int fd_max = tbm_bufmgr_get_fd_limit();
+ fd = (int)sl;
+ if (fd < 0 || fd > fd_max) {
+ TBM_LOG_E("%d out of fd range\n", fd);
+ return -1;
+ }
+ }
- TBM_LOG("TDM_DRM_MASTER_FD: %d\n", fd);
+ TBM_LOG_I("TDM_DRM_MASTER_FD: %d\n", fd);
- flags = fcntl(fd, F_GETFD);
- if (flags == -1) {
- TBM_LOG("fcntl failed: %m");
- return -1;
- }
+ flags = fcntl(fd, F_GETFD);
+ if (flags == -1) {
+ TBM_LOG_E("fcntl failed: %m");
+ return -1;
+ }
- new_fd = dup(fd);
- if (new_fd < 0) {
- TBM_LOG("dup failed: %m");
- return -1;
- }
+ new_fd = dup(fd);
+ if (new_fd < 0) {
+ TBM_LOG_E("dup failed: %m");
+ return -1;
+ }
- fcntl(new_fd, F_SETFD, flags|FD_CLOEXEC);
+ if (fcntl(new_fd, F_SETFD, flags|FD_CLOEXEC) == -1) {
+ TBM_LOG_E("failed to set fd\n");
+ close(new_fd);
+ return -1;
+ }
- TBM_LOG("Return MASTER_FD: %d\n", new_fd);
+ TBM_LOG_I("Return MASTER_FD: %d\n", new_fd);
- return new_fd;
+ return new_fd;
}
void
tbm_drm_helper_set_tbm_master_fd(int fd)
{
- char buf[32];
- int ret;
+ char buf[32];
+ int ret;
- snprintf(buf, sizeof(buf), "%d", fd);
+ snprintf(buf, sizeof(buf), "%d", fd);
- ret = setenv("TBM_DRM_MASTER_FD", (const char*)buf, 1);
- if (ret)
- {
- TBM_LOG("failed to set TIZEN_DRM_MASTER_FD to %d", fd);
- return;
- }
+ ret = setenv("TBM_DRM_MASTER_FD", (const char*)buf, 1);
+ if (ret) {
+ TBM_LOG_E("failed to set TIZEN_DRM_MASTER_FD to %d\n", fd);
+ return;
+ }
- TBM_LOG("TBM_DRM_MASTER_FD: %d\n", fd);
+ TBM_LOG_I("TBM_DRM_MASTER_FD: %d\n", fd);
}
void
tbm_drm_helper_unset_tbm_master_fd(void)
{
- int ret;
-
- ret = unsetenv("TBM_DRM_MASTER_FD");
- if (ret)
- {
- TBM_LOG("failed to unset TBM_DRM_MASTER_FD");
- return;
- }
+ int ret;
+
+ ret = unsetenv("TBM_DRM_MASTER_FD");
+ if (ret) {
+ TBM_LOG_E("failed to unset TBM_DRM_MASTER_FD\n");
+ return;
+ }
}
+/* LCOV_EXCL_STOP */