tests/secflags/secflags_syscall.c

#include <stdio.h>
#include <err.h>
#include <errno.h>

#include <sys/secflags.h>
#include <sys/syscall.h>

int
main(int argc, char **argv)
{
    int err = 0;
    secflagdelta_t act = {0};

    if ((err = syscall(SYS_psecflags, NULL, PSF_INHERIT, NULL)) != 0) {
        if (errno != EFAULT)
            warnx("attempt to set secflags with a NULL procset "
                "set errno other than EFAULT (%d)", errno);
    } else {
        warnx("attempt to set secflags with a NULL procset succeeded");
    }

    if ((err = syscall(SYS_psecflags, (void*)0xdeadbeef,
        PSF_INHERIT, NULL)) != 0) {
        if (errno != EFAULT)
            warnx("attempt to set secflags with a bad procset "
                "set errno other than EFAULT (%d)", errno);
    } else {
        warnx("attempt to set secflags with a bad procset succeeded");
    }


    if ((err = psecflags(P_PID, P_MYID, PSF_INHERIT, NULL)) != 0) {
        if (errno != EFAULT)
            warnx("attempt to set secflags with a NULL "
                "delta set errno to other than EFAULT (%d)",
                errno);
    } else {
        warnx("attempt to set secflags with a NULL delta succeeded");
    }

    if ((err = psecflags(P_PID, P_MYID, PSF_INHERIT,
        (void*)0xdeadbeef)) != 0) {
        if (errno != EFAULT)
            warnx("attempt to set secflags with a bad "
                "delta set errno to other than EFAULT (%d)",
                errno);
    } else {
        warnx("attempt to set secflags with a bad delta succeeded");
    }

    if ((err = psecflags(P_LWPID, P_MYID, PSF_INHERIT, &act)) != 0) {
        if (errno != EINVAL)
            warnx("attempt to set secflags of an lwpid set errno "
                "to other than EINVAL (%d)", errno);
    } else {
        warnx("attempt to set secflags of an lwpid succeeded");
    }

    if ((err = psecflags(P_LWPID, P_MYID, PSF_EFFECTIVE, &act)) != 0) {
        if (errno != EINVAL)
            warnx("attempt to set effective secflags set errno "
                "to other than EINVAL (%d)", errno);
    } else {
        warnx("attempt to set effective secflags succeeded");
    }

    return (0);
}