diff options
Diffstat (limited to 'tools/testing/selftests/bpf/unpriv_helpers.c')
| -rw-r--r-- | tools/testing/selftests/bpf/unpriv_helpers.c | 26 | 
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/unpriv_helpers.c b/tools/testing/selftests/bpf/unpriv_helpers.c new file mode 100644 index 000000000000..2a6efbd0401e --- /dev/null +++ b/tools/testing/selftests/bpf/unpriv_helpers.c @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <stdbool.h> +#include <stdlib.h> +#include <error.h> +#include <stdio.h> + +#include "unpriv_helpers.h" + +bool get_unpriv_disabled(void) +{ +	bool disabled; +	char buf[2]; +	FILE *fd; + +	fd = fopen("/proc/sys/" UNPRIV_SYSCTL, "r"); +	if (fd) { +		disabled = (fgets(buf, 2, fd) == buf && atoi(buf)); +		fclose(fd); +	} else { +		perror("fopen /proc/sys/" UNPRIV_SYSCTL); +		disabled = true; +	} + +	return disabled; +}  |