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devices: Use path to check device type

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FreeBSD device numbers cannot be used to check the type of a device, as
they are merely unique filesystem IDs.

As the paths we use have been sanitized with realpath, we can simply use
the path to check if a requested file is an evdev or drm device. This
also allows us to make the check before the file is opened.
This commit is contained in:
Kenny Levinsen 2020-08-01 03:23:56 +02:00
parent dc9c7bff71
commit e129536a08
7 changed files with 102 additions and 46 deletions
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7
include/drm.h
View file

@ -1,10 +1,13 @@
#ifndef _SEATD_DRM_H
#define _SEATD_DRM_H
#include <sys/types.h>
int drm_set_master(int fd);
int drm_drop_master(int fd);
int path_is_drm(const char *path);
#if defined(__linux__)
#include <sys/types.h>
int dev_is_drm(dev_t device);
#endif
#endif