svn commit: r364489 - head/tests/sys/net/routing

[Alexander V. Chernikov]

Author: melifaro
Date: Sat Aug 22 18:14:05 2020
New Revision: 364489
URL: https://svnweb.freebsd.org/changeset/base/364489

Log:
  Add test for checking RTF_HOST and RTAX_NETMASK inconsistency.
  
  RTF_HOST indicates whether route is a host route
   (netmask is empty or /{32,128}).
  Check that if netmask is empty and host route is not specified, kernel
   returns an error.
  
  Differential Revision:        https://reviews.freebsd.org/D26155

Modified:
  head/tests/sys/net/routing/test_rtsock_l3.c

Modified: head/tests/sys/net/routing/test_rtsock_l3.c
==============================================================================
--- head/tests/sys/net/routing/test_rtsock_l3.c Sat Aug 22 16:58:59 2020        
(r364488)
+++ head/tests/sys/net/routing/test_rtsock_l3.c Sat Aug 22 18:14:05 2020        
(r364489)
@@ -365,7 +365,6 @@ ATF_TC_BODY(rtm_get_v4_empty_dst_failure, tc)
            (struct sockaddr *)&c->mask4, NULL);
        rtsock_update_rtm_len(rtm);
 
-       write(c->rtsock_fd, rtm, rtm->rtm_msglen);
        ATF_CHECK_ERRNO(EINVAL, write(c->rtsock_fd, rtm, rtm->rtm_msglen));
 }
 
@@ -441,6 +440,30 @@ ATF_TC_CLEANUP(rtm_add_v4_gw_direct_success, tc)
        CLEANUP_AFTER_TEST;
 }
 
+RTM_DECLARE_ROOT_TEST(rtm_add_v4_no_rtf_host_failure,
+    "Tests failure with netmask sa and RTF_HOST inconsistency");
+
+ATF_TC_BODY(rtm_add_v4_no_rtf_host_failure, tc)
+{
+       DECLARE_TEST_VARS;
+
+       c = presetup_ipv4(tc);
+
+       /* Create IPv4 subnetwork with smaller prefix */
+       struct sockaddr_in mask4;
+       struct sockaddr_in net4;
+       struct sockaddr_in gw4;
+       prepare_v4_network(c, &net4, &mask4, &gw4);
+
+       prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&net4,
+           NULL, (struct sockaddr *)&gw4);
+       rtsock_update_rtm_len(rtm);
+
+       /* RTF_HOST is NOT specified, while netmask is empty */
+
+       ATF_CHECK_ERRNO(EINVAL, write(c->rtsock_fd, rtm, rtm->rtm_msglen));
+}
+
 ATF_TC_WITH_CLEANUP(rtm_del_v4_prefix_nogw_success);
 ATF_TC_HEAD(rtm_del_v4_prefix_nogw_success, tc)
 {
@@ -1269,6 +1292,7 @@ ATF_TP_ADD_TCS(tp)
        ATF_TP_ADD_TC(tp, rtm_get_v4_lpm_success);
        ATF_TP_ADD_TC(tp, rtm_get_v4_hostbits_failure);
        ATF_TP_ADD_TC(tp, rtm_get_v4_empty_dst_failure);
+       ATF_TP_ADD_TC(tp, rtm_add_v4_no_rtf_host_failure);
        ATF_TP_ADD_TC(tp, rtm_add_v4_gw_direct_success);
        ATF_TP_ADD_TC(tp, rtm_del_v4_prefix_nogw_success);
        ATF_TP_ADD_TC(tp, rtm_add_v6_gu_gw_gu_direct_success);
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