Beispiel #1
0
struct fexecve_args {
	int	fd;
	char	**argv;
	char	**envv;
}
#endif
int
sys_fexecve(struct thread *td, struct fexecve_args *uap)
{
	struct image_args args;
	struct vmspace *oldvmspace;
	int error;

	error = pre_execve(td, &oldvmspace);
	if (error != 0)
		return (error);
	error = exec_copyin_args(&args, NULL, UIO_SYSSPACE,
	    uap->argv, uap->envv);
	if (error == 0) {
		args.fd = uap->fd;
		error = kern_execve(td, &args, NULL);
	}
	post_execve(td, error, oldvmspace);
	return (error);
}
Beispiel #2
0
int
linux_execve(struct thread *td, struct linux_execve_args *args)
{
	int error;
	char *newpath;
	struct image_args eargs;

	LCONVPATHEXIST(td, args->path, &newpath);

#ifdef DEBUG
	if (ldebug(execve))
		printf(ARGS(execve, "%s"), newpath);
#endif

	error = exec_copyin_args(&eargs, newpath, UIO_SYSSPACE,
	    args->argp, args->envp);
	free(newpath, M_TEMP);
	if (error == 0)
		error = kern_execve(td, &eargs, NULL);
	if (error == 0)
	   	/* linux process can exec fbsd one, dont attempt
		 * to create emuldata for such process using
		 * linux_proc_init, this leads to a panic on KASSERT
		 * because such process has p->p_emuldata == NULL
		 */
		if (SV_PROC_ABI(td->td_proc) == SV_ABI_LINUX)
   			error = linux_proc_init(td, 0, 0);
	return (error);
}
Beispiel #3
0
/*
 * MPALMOSTSAFE
 */
int
sys_linux_execve(struct linux_execve_args *args)
{
	struct nlookupdata nd;
	struct image_args exec_args;
	char *path;
	int error;

	error = linux_copyin_path(args->path, &path, LINUX_PATH_EXISTS);
	if (error)
		return (error);
#ifdef DEBUG
	if (ldebug(execve))
		kprintf(ARGS(execve, "%s"), path);
#endif
	get_mplock();
	error = nlookup_init(&nd, path, UIO_SYSSPACE, NLC_FOLLOW);
	bzero(&exec_args, sizeof(exec_args));
	if (error == 0) {
		error = exec_copyin_args(&exec_args, path, PATH_SYSSPACE,
					args->argp, args->envp);
	}
	if (error == 0)
		error = kern_execve(&nd, &exec_args);
	nlookup_done(&nd);

	/*
	 * The syscall result is returned in registers to the new program.
	 * Linux will register %edx as an atexit function and we must be
	 * sure to set it to 0.  XXX
	 */
	if (error == 0) {
		args->sysmsg_result64 = 0;
		if (curproc->p_sysent == &elf_linux_sysvec)
   		  	error = emuldata_init(curproc, NULL, 0);
	}

	exec_free_args(&exec_args);
	linux_free_path(&path);

	if (error < 0) {
		/* We hit a lethal error condition.  Let's die now. */
		exit1(W_EXITCODE(0, SIGABRT));
		/* NOTREACHED */
	}
	rel_mplock();

	return(error);
}
Beispiel #4
0
int
sys_execve(struct thread *td, struct execve_args *uap)
{
	struct image_args args;
	struct vmspace *oldvmspace;
	int error;

	error = pre_execve(td, &oldvmspace);
	if (error != 0)
		return (error);
	error = exec_copyin_args(&args, uap->fname, UIO_USERSPACE,
	    uap->argv, uap->envv);
	if (error == 0)
		error = kern_execve(td, &args, NULL);
	post_execve(td, error, oldvmspace);
	return (error);
}
Beispiel #5
0
int
linux_execve(struct thread *td, struct linux_execve_args *args)
{
    struct image_args eargs;
    char *path;
    int error;

    LCONVPATHEXIST(td, args->path, &path);

    LINUX_CTR(execve);

    error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, args->argp,
                             args->envp);
    free(path, M_TEMP);
    if (error == 0)
        error = linux_common_execve(td, &eargs);
    return (error);
}
Beispiel #6
0
int
sys___mac_execve(struct thread *td, struct __mac_execve_args *uap)
{
#ifdef MAC
	struct image_args args;
	struct vmspace *oldvmspace;
	int error;

	error = pre_execve(td, &oldvmspace);
	if (error != 0)
		return (error);
	error = exec_copyin_args(&args, uap->fname, UIO_USERSPACE,
	    uap->argv, uap->envv);
	if (error == 0)
		error = kern_execve(td, &args, uap->mac_p);
	post_execve(td, error, oldvmspace);
	return (error);
#else
	return (ENOSYS);
#endif
}
Beispiel #7
0
int
linux_execve(struct thread *td, struct linux_execve_args *args)
{
	struct image_args eargs;
	char *newpath;
	int error;

	LCONVPATHEXIST(td, args->path, &newpath);

#ifdef DEBUG
	if (ldebug(execve))
		printf(ARGS(execve, "%s"), newpath);
#endif

	error = exec_copyin_args(&eargs, newpath, UIO_SYSSPACE,
	    args->argp, args->envp);
	free(newpath, M_TEMP);
	if (error == 0)
		error = linux_common_execve(td, &eargs);
	return (error);
}