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91 lines
2.6 KiB
91 lines
2.6 KiB
4 months ago
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/*
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* tests/check-attr.c nla_attr unit tests
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* Copyright (c) 2013 Thomas Graf <tgraf@suug.ch>
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*/
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#include "util.h"
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#include <netlink/attr.h>
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#include <netlink/msg.h>
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#include <linux/netlink.h>
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START_TEST(attr_size)
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{
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fail_if(nla_attr_size(0) != NLA_HDRLEN,
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"Length of empty attribute should match header size");
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fail_if(nla_attr_size(1) != NLA_HDRLEN + 1,
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"Length of 1 bytes payload should be NLA_HDRLEN + 1");
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fail_if(nla_attr_size(2) != NLA_HDRLEN + 2,
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"Length of 2 bytes payload should be NLA_HDRLEN + 2");
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fail_if(nla_attr_size(3) != NLA_HDRLEN + 3,
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"Length of 3 bytes payload should be NLA_HDRLEN + 3");
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fail_if(nla_attr_size(4) != NLA_HDRLEN + 4,
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"Length of 4 bytes payload should be NLA_HDRLEN + 4");
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fail_if(nla_total_size(1) != NLA_HDRLEN + 4,
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"Total size of 1 bytes payload should result in 8 bytes");
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fail_if(nla_total_size(2) != NLA_HDRLEN + 4,
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"Total size of 2 bytes payload should result in 8 bytes");
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fail_if(nla_total_size(3) != NLA_HDRLEN + 4,
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"Total size of 3 bytes payload should result in 8 bytes");
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fail_if(nla_total_size(4) != NLA_HDRLEN + 4,
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"Total size of 4 bytes payload should result in 8 bytes");
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fail_if(nla_padlen(1) != 3,
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"2 bytes of payload should result in 3 padding bytes");
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fail_if(nla_padlen(2) != 2,
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"2 bytes of payload should result in 2 padding bytes");
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fail_if(nla_padlen(3) != 1,
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"3 bytes of payload should result in 1 padding bytes");
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fail_if(nla_padlen(4) != 0,
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"4 bytes of payload should result in 0 padding bytes");
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fail_if(nla_padlen(5) != 3,
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"5 bytes of payload should result in 3 padding bytes");
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}
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END_TEST
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START_TEST(msg_construct)
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{
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struct nl_msg *msg;
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struct nlmsghdr *nlh;
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struct nlattr *a;
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int i, rem;
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msg = nlmsg_alloc();
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fail_if(!msg, "Unable to allocate netlink message");
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for (i = 1; i < 256; i++) {
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fail_if(nla_put_u32(msg, i, i+1) != 0,
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"Unable to add attribute %d", i);
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}
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nlh = nlmsg_hdr(msg);
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i = 1;
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nlmsg_for_each_attr(a, nlh, 0, rem) {
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fail_if(nla_type(a) != i, "Expected attribute %d", i);
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i++;
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fail_if(nla_get_u32(a) != i, "Expected attribute value %d", i);
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}
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nlmsg_free(msg);
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}
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END_TEST
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Suite *make_nl_attr_suite(void)
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{
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Suite *suite = suite_create("Netlink attributes");
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TCase *nl_attr = tcase_create("Core");
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tcase_add_test(nl_attr, attr_size);
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tcase_add_test(nl_attr, msg_construct);
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suite_add_tcase(suite, nl_attr);
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return suite;
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}
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