2022-12-18 17:34:41 +00:00
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/param.h>
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#include <sys/module.h>
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#include <netlink/netlink.h>
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#include <netlink/netlink_route.h>
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#include "netlink/netlink_snl.h"
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#include "netlink/netlink_snl_route.h"
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2023-03-09 14:43:56 +00:00
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#include "netlink/netlink_snl_route_parsers.h"
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2022-12-18 17:34:41 +00:00
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#include <atf-c.h>
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static void
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require_netlink(void)
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{
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if (modfind("netlink") == -1)
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atf_tc_skip("netlink module not loaded");
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}
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2023-03-15 13:56:26 +00:00
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ATF_TC(snl_verify_core_parsers);
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ATF_TC_HEAD(snl_verify_core_parsers, tc)
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2023-03-09 14:43:56 +00:00
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{
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2023-03-15 13:56:26 +00:00
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atf_tc_set_md_var(tc, "descr", "Tests snl(3) core nlmsg parsers are correct");
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2023-03-09 14:43:56 +00:00
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}
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2023-03-15 13:56:26 +00:00
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ATF_TC_BODY(snl_verify_core_parsers, tc)
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{
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SNL_VERIFY_PARSERS(snl_all_core_parsers);
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}
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ATF_TC(snl_verify_route_parsers);
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ATF_TC_HEAD(snl_verify_route_parsers, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests snl(3) route parsers are correct");
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}
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ATF_TC_BODY(snl_verify_route_parsers, tc)
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2023-03-09 14:43:56 +00:00
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{
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SNL_VERIFY_PARSERS(snl_all_route_parsers);
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}
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2022-12-18 17:34:41 +00:00
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2023-03-17 14:27:08 +00:00
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ATF_TC(snl_parse_errmsg_capped);
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ATF_TC_HEAD(snl_parse_errmsg_capped, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests snl(3) correctly parsing capped errors");
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}
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ATF_TC_BODY(snl_parse_errmsg_capped, tc)
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{
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struct snl_state ss;
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struct snl_writer nw;
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require_netlink();
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if (!snl_init(&ss, NETLINK_ROUTE))
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atf_tc_fail("snl_init() failed");
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2023-05-09 14:59:41 +00:00
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atf_tc_skip("does not work");
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2023-03-17 14:27:08 +00:00
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int optval = 1;
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ATF_CHECK(setsockopt(ss.fd, SOL_NETLINK, NETLINK_CAP_ACK, &optval, sizeof(optval)) == 0);
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snl_init_writer(&ss, &nw);
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struct nlmsghdr *hdr = snl_create_msg_request(&nw, 255);
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ATF_CHECK(hdr != NULL);
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ATF_CHECK(snl_reserve_msg_object(&nw, struct ifinfomsg) != NULL);
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snl_add_msg_attr_string(&nw, 143, "some random string");
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ATF_CHECK(snl_finalize_msg(&nw) != NULL);
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ATF_CHECK(snl_send_message(&ss, hdr));
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struct nlmsghdr *rx_hdr = snl_read_reply(&ss, hdr->nlmsg_seq);
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ATF_CHECK(rx_hdr != NULL);
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ATF_CHECK(rx_hdr->nlmsg_type == NLMSG_ERROR);
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struct snl_errmsg_data e = {};
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ATF_CHECK(rx_hdr->nlmsg_len == sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr));
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ATF_CHECK(snl_parse_errmsg(&ss, rx_hdr, &e));
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ATF_CHECK(e.error != 0);
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ATF_CHECK(!memcmp(hdr, e.orig_hdr, sizeof(struct nlmsghdr)));
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}
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ATF_TC(snl_parse_errmsg_capped_extack);
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ATF_TC_HEAD(snl_parse_errmsg_capped_extack, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests snl(3) correctly parsing capped errors with extack");
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}
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ATF_TC_BODY(snl_parse_errmsg_capped_extack, tc)
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{
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struct snl_state ss;
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struct snl_writer nw;
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require_netlink();
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if (!snl_init(&ss, NETLINK_ROUTE))
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atf_tc_fail("snl_init() failed");
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int optval = 1;
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ATF_CHECK(setsockopt(ss.fd, SOL_NETLINK, NETLINK_CAP_ACK, &optval, sizeof(optval)) == 0);
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optval = 1;
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ATF_CHECK(setsockopt(ss.fd, SOL_NETLINK, NETLINK_EXT_ACK, &optval, sizeof(optval)) == 0);
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snl_init_writer(&ss, &nw);
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struct nlmsghdr *hdr = snl_create_msg_request(&nw, 255);
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ATF_CHECK(hdr != NULL);
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ATF_CHECK(snl_reserve_msg_object(&nw, struct ifinfomsg) != NULL);
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snl_add_msg_attr_string(&nw, 143, "some random string");
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ATF_CHECK(snl_finalize_msg(&nw) != NULL);
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ATF_CHECK(snl_send_message(&ss, hdr));
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struct nlmsghdr *rx_hdr = snl_read_reply(&ss, hdr->nlmsg_seq);
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ATF_CHECK(rx_hdr != NULL);
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ATF_CHECK(rx_hdr->nlmsg_type == NLMSG_ERROR);
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struct snl_errmsg_data e = {};
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ATF_CHECK(snl_parse_errmsg(&ss, rx_hdr, &e));
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ATF_CHECK(e.error != 0);
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ATF_CHECK(!memcmp(hdr, e.orig_hdr, sizeof(struct nlmsghdr)));
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ATF_CHECK(e.error_str != NULL);
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}
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ATF_TC(snl_parse_errmsg_uncapped_extack);
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ATF_TC_HEAD(snl_parse_errmsg_uncapped_extack, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests snl(3) correctly parsing errors with extack");
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}
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ATF_TC_BODY(snl_parse_errmsg_uncapped_extack, tc)
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{
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struct snl_state ss;
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struct snl_writer nw;
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require_netlink();
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ATF_CHECK(snl_init(&ss, NETLINK_ROUTE));
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int optval = 1;
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ATF_CHECK(setsockopt(ss.fd, SOL_NETLINK, NETLINK_EXT_ACK, &optval, sizeof(optval)) == 0);
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snl_init_writer(&ss, &nw);
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struct nlmsghdr *hdr = snl_create_msg_request(&nw, 255);
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ATF_CHECK(hdr != NULL);
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ATF_CHECK(snl_reserve_msg_object(&nw, struct ifinfomsg) != NULL);
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snl_add_msg_attr_string(&nw, 143, "some random string");
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ATF_CHECK(snl_finalize_msg(&nw) != NULL);
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ATF_CHECK(snl_send_message(&ss, hdr));
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struct nlmsghdr *rx_hdr = snl_read_reply(&ss, hdr->nlmsg_seq);
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ATF_CHECK(rx_hdr != NULL);
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ATF_CHECK(rx_hdr->nlmsg_type == NLMSG_ERROR);
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struct snl_errmsg_data e = {};
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ATF_CHECK(snl_parse_errmsg(&ss, rx_hdr, &e));
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ATF_CHECK(e.error != 0);
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ATF_CHECK(!memcmp(hdr, e.orig_hdr, hdr->nlmsg_len));
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ATF_CHECK(e.error_str != NULL);
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}
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2022-12-18 17:34:41 +00:00
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ATF_TC(snl_list_ifaces);
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ATF_TC_HEAD(snl_list_ifaces, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests snl(3) listing interfaces");
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}
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struct nl_parsed_link {
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uint32_t ifi_index;
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uint32_t ifla_mtu;
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char *ifla_ifname;
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};
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#define _IN(_field) offsetof(struct ifinfomsg, _field)
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#define _OUT(_field) offsetof(struct nl_parsed_link, _field)
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static struct snl_attr_parser ap_link[] = {
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{ .type = IFLA_IFNAME, .off = _OUT(ifla_ifname), .cb = snl_attr_get_string },
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{ .type = IFLA_MTU, .off = _OUT(ifla_mtu), .cb = snl_attr_get_uint32 },
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};
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static struct snl_field_parser fp_link[] = {
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{.off_in = _IN(ifi_index), .off_out = _OUT(ifi_index), .cb = snl_field_get_uint32 },
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};
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#undef _IN
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#undef _OUT
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SNL_DECLARE_PARSER(link_parser, struct ifinfomsg, fp_link, ap_link);
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ATF_TC_BODY(snl_list_ifaces, tc)
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{
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struct snl_state ss;
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2023-03-15 13:56:26 +00:00
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struct snl_writer nw;
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2022-12-18 17:34:41 +00:00
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require_netlink();
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if (!snl_init(&ss, NETLINK_ROUTE))
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atf_tc_fail("snl_init() failed");
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2023-03-15 13:56:26 +00:00
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snl_init_writer(&ss, &nw);
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struct nlmsghdr *hdr = snl_create_msg_request(&nw, RTM_GETLINK);
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ATF_CHECK(hdr != NULL);
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ATF_CHECK(snl_reserve_msg_object(&nw, struct ifinfomsg) != NULL);
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ATF_CHECK(snl_finalize_msg(&nw) != NULL);
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uint32_t seq_id = hdr->nlmsg_seq;
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2022-12-18 17:34:41 +00:00
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2023-03-15 13:56:26 +00:00
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ATF_CHECK(snl_send_message(&ss, hdr));
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struct snl_errmsg_data e = {};
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2022-12-18 17:34:41 +00:00
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int count = 0;
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2023-03-15 13:56:26 +00:00
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while ((hdr = snl_read_reply_multi(&ss, seq_id, &e)) != NULL) {
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2022-12-18 17:34:41 +00:00
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count++;
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}
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2023-03-15 13:56:26 +00:00
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ATF_REQUIRE(e.error == 0);
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2022-12-18 17:34:41 +00:00
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ATF_REQUIRE_MSG(count > 0, "Empty interface list");
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}
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ATF_TP_ADD_TCS(tp)
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{
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2023-03-15 13:56:26 +00:00
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ATF_TP_ADD_TC(tp, snl_verify_core_parsers);
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ATF_TP_ADD_TC(tp, snl_verify_route_parsers);
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2023-03-17 14:27:08 +00:00
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ATF_TP_ADD_TC(tp, snl_parse_errmsg_capped);
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ATF_TP_ADD_TC(tp, snl_parse_errmsg_capped_extack);
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ATF_TP_ADD_TC(tp, snl_parse_errmsg_uncapped_extack);
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2022-12-18 17:34:41 +00:00
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ATF_TP_ADD_TC(tp, snl_list_ifaces);
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return (atf_no_error());
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}
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