Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add tests for several bpf ioctls

This commit is contained in:
ozaki-r 2017-02-09 02:18:13 +00:00
parent ba789aa3b4
commit 22c2d28c4e
1 changed files with 139 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

141
tests/net/bpf/t_bpf.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: t_bpf.c,v 1.7 2017/02/01 08:04:49 ozaki-r Exp $ */
/* $NetBSD: t_bpf.c,v 1.8 2017/02/09 02:18:13 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 1.7 2017/02/01 08:04:49 ozaki-r Exp $");
__RCSID("$NetBSD: t_bpf.c,v 1.8 2017/02/09 02:18:13 ozaki-r Exp $");
#include <sys/param.h>
#include <sys/ioctl.h>
@ -37,6 +37,7 @@ __RCSID("$NetBSD: t_bpf.c,v 1.7 2017/02/01 08:04:49 ozaki-r Exp $");
#include <net/if.h>
#include <net/bpf.h>
#include <net/dlt.h>
#include <fcntl.h>
#include <stdio.h>
@ -199,6 +200,138 @@ ATF_TC_BODY(bpf_ioctl_BLEN, tc)
"Don't allow to change buflen after binding bpf to an interface");
}
ATF_TC(bpf_ioctl_PROMISC);
ATF_TC_HEAD(bpf_ioctl_PROMISC, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks behaviors of BIOCPROMISC");
}
ATF_TC_BODY(bpf_ioctl_PROMISC, tc)
{
struct ifreq ifr;
int ifnum, bpfd;
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));
ATF_REQUIRE_EQ_MSG(rump_sys_ioctl(bpfd, BIOCPROMISC, NULL), -1,
"Don't allow to call ioctl(BIOCPROMISC) without interface");
RL(rump_sys_ioctl(bpfd, BIOCSETIF, &ifr));
RL(rump_sys_ioctl(bpfd, BIOCPROMISC, NULL));
/* TODO check if_flags */
}
ATF_TC(bpf_ioctl_SETIF);
ATF_TC_HEAD(bpf_ioctl_SETIF, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks behaviors of BIOCSETIF");
}
ATF_TC_BODY(bpf_ioctl_SETIF, tc)
{
struct ifreq ifr;
int ifnum, bpfd;
RZ(rump_init());
RL(bpfd = rump_sys_open("/dev/bpf", O_RDWR));
RZ(rump_pub_shmif_create(NULL, &ifnum));
sprintf(ifr.ifr_name, "shmif%d", ifnum);
RL(rump_sys_ioctl(bpfd, BIOCSETIF, &ifr));
/* Change the listening interface */
RZ(rump_pub_shmif_create(NULL, &ifnum));
sprintf(ifr.ifr_name, "shmif%d", ifnum);
RL(rump_sys_ioctl(bpfd, BIOCSETIF, &ifr));
}
ATF_TC(bpf_ioctl_DLT);
ATF_TC_HEAD(bpf_ioctl_DLT, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks behaviors of BIOCGDLT and "
"BIOCSDLT");
}
ATF_TC_BODY(bpf_ioctl_DLT, tc)
{
struct ifreq ifr;
int ifnum, bpfd;
u_int dlt;
RZ(rump_init());
RL(bpfd = rump_sys_open("/dev/bpf", O_RDWR));
RZ(rump_pub_shmif_create(NULL, &ifnum));
sprintf(ifr.ifr_name, "shmif%d", ifnum);
ATF_REQUIRE_EQ_MSG(rump_sys_ioctl(bpfd, BIOCGDLT, &dlt), -1,
"Don't allow to get a DLT without interfaces");
RL(rump_sys_ioctl(bpfd, BIOCSETIF, &ifr));
RL(rump_sys_ioctl(bpfd, BIOCGDLT, &dlt));
ATF_REQUIRE(dlt == DLT_EN10MB);
dlt = DLT_NULL;
ATF_REQUIRE_EQ_MSG(rump_sys_ioctl(bpfd, BIOCSDLT, &dlt), -1,
"Don't allow to set a DLT that doesn't match any listening "
"interfaces");
}
ATF_TC(bpf_ioctl_GDLTLIST);
ATF_TC_HEAD(bpf_ioctl_GDLTLIST, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks behaviors of BIOCGDLTLIST");
}
ATF_TC_BODY(bpf_ioctl_GDLTLIST, tc)
{
struct ifreq ifr;
int ifnum, bpfd;
struct bpf_dltlist dltlist;
RZ(rump_init());
RL(bpfd = rump_sys_open("/dev/bpf", O_RDWR));
RZ(rump_pub_shmif_create(NULL, &ifnum));
sprintf(ifr.ifr_name, "shmif%d", ifnum);
dltlist.bfl_len = 0;
dltlist.bfl_list = NULL;
ATF_REQUIRE_EQ_MSG(rump_sys_ioctl(bpfd, BIOCGDLTLIST, &dltlist), -1,
"Don't allow to get a DLT list without interfaces");
RL(rump_sys_ioctl(bpfd, BIOCSETIF, &ifr));
/* Get the size of an avaiable DLT list */
dltlist.bfl_len = 0;
dltlist.bfl_list = NULL;
RL(rump_sys_ioctl(bpfd, BIOCGDLTLIST, &dltlist));
ATF_REQUIRE(dltlist.bfl_len == 1);
/* Get an avaiable DLT list */
dltlist.bfl_list = calloc(sizeof(u_int), 1);
dltlist.bfl_len = 1;
RL(rump_sys_ioctl(bpfd, BIOCGDLTLIST, &dltlist));
ATF_REQUIRE(dltlist.bfl_len == 1);
ATF_REQUIRE(dltlist.bfl_list[0] == DLT_EN10MB);
/* Get an avaiable DLT list with a less buffer (fake with bfl_len) */
dltlist.bfl_len = 0;
ATF_REQUIRE_EQ_MSG(rump_sys_ioctl(bpfd, BIOCGDLTLIST, &dltlist), -1,
"This should fail with ENOMEM");
free(dltlist.bfl_list);
}
ATF_TP_ADD_TCS(tp)
{
@ -207,5 +340,9 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, bpfwritetrunc);
#endif
ATF_TP_ADD_TC(tp, bpf_ioctl_BLEN);
ATF_TP_ADD_TC(tp, bpf_ioctl_PROMISC);
ATF_TP_ADD_TC(tp, bpf_ioctl_SETIF);
ATF_TP_ADD_TC(tp, bpf_ioctl_DLT);
ATF_TP_ADD_TC(tp, bpf_ioctl_GDLTLIST);
return atf_no_error();
}