diff options
Diffstat (limited to 'net/bpf/t_bpf.c')
| -rw-r--r-- | net/bpf/t_bpf.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/net/bpf/t_bpf.c b/net/bpf/t_bpf.c index 5d7716c9738d..cf8aa824920a 100644 --- a/net/bpf/t_bpf.c +++ b/net/bpf/t_bpf.c @@ -1,4 +1,4 @@ -/* $NetBSD: t_bpf.c,v 1.6 2017/01/13 21:30:42 christos Exp $ */ +/* $NetBSD: t_bpf.c,v 1.7 2017/02/01 08:04:49 ozaki-r Exp $ */ /*- * Copyright (c) 2010 Antti Kantee. All Rights Reserved. @@ -25,7 +25,7 @@ * SUCH DAMAGE. */ #include <sys/cdefs.h> -__RCSID("$NetBSD: t_bpf.c,v 1.6 2017/01/13 21:30:42 christos Exp $"); +__RCSID("$NetBSD: t_bpf.c,v 1.7 2017/02/01 08:04:49 ozaki-r Exp $"); #include <sys/param.h> #include <sys/ioctl.h> @@ -166,6 +166,39 @@ ATF_TC_BODY(bpfwritetrunc, tc) } #endif /* #if (SIZE_MAX > UINT_MAX) */ +ATF_TC(bpf_ioctl_BLEN); +ATF_TC_HEAD(bpf_ioctl_BLEN, tc) +{ + + atf_tc_set_md_var(tc, "descr", "Checks behaviors of BIOCGBLEN and " + "BIOCSBLEN"); +} + +ATF_TC_BODY(bpf_ioctl_BLEN, tc) +{ + struct ifreq ifr; + int ifnum, bpfd; + u_int blen = 0; + + RZ(rump_init()); + RZ(rump_pub_shmif_create(NULL, &ifnum)); + sprintf(ifr.ifr_name, "shmif%d", ifnum); + + RL(bpfd = rump_sys_open("/dev/bpf", O_RDWR)); + + RL(rump_sys_ioctl(bpfd, BIOCGBLEN, &blen)); + ATF_REQUIRE(blen != 0); + blen = 100; + RL(rump_sys_ioctl(bpfd, BIOCSBLEN, &blen)); + RL(rump_sys_ioctl(bpfd, BIOCGBLEN, &blen)); + ATF_REQUIRE_EQ(blen, 100); + + RL(rump_sys_ioctl(bpfd, BIOCSETIF, &ifr)); + + ATF_REQUIRE_EQ_MSG(rump_sys_ioctl(bpfd, BIOCSBLEN, &blen), -1, + "Don't allow to change buflen after binding bpf to an interface"); +} + ATF_TP_ADD_TCS(tp) { @@ -173,5 +206,6 @@ ATF_TP_ADD_TCS(tp) #if (SIZE_MAX > UINT_MAX) ATF_TP_ADD_TC(tp, bpfwritetrunc); #endif + ATF_TP_ADD_TC(tp, bpf_ioctl_BLEN); return atf_no_error(); } |