92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
#include <errno.h>
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#include "dhcp-lease-internal.h"
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#include "macro.h"
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#include "string-util.h"
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#include "strv.h"
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/* According to RFC1035 section 4.1.4, a domain name in a message can be either:
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* - a sequence of labels ending in a zero octet
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* - a pointer
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* - a sequence of labels ending with a pointer
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*/
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static void test_dhcp_lease_parse_search_domains_basic(void) {
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int r;
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_cleanup_strv_free_ char **domains = NULL;
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static const uint8_t optionbuf[] = {
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0x03, 'F', 'O', 'O', 0x03, 'B', 'A', 'R', 0x00,
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0x04, 'A', 'B', 'C', 'D', 0x03, 'E', 'F', 'G', 0x00,
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};
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r = dhcp_lease_parse_search_domains(optionbuf, sizeof(optionbuf), &domains);
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assert_se(r == 2);
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assert_se(streq(domains[0], "FOO.BAR"));
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assert_se(streq(domains[1], "ABCD.EFG"));
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}
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static void test_dhcp_lease_parse_search_domains_ptr(void) {
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int r;
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_cleanup_strv_free_ char **domains = NULL;
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static const uint8_t optionbuf[] = {
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0x03, 'F', 'O', 'O', 0x00, 0xC0, 0x00,
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};
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r = dhcp_lease_parse_search_domains(optionbuf, sizeof(optionbuf), &domains);
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assert_se(r == 2);
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assert_se(streq(domains[0], "FOO"));
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assert_se(streq(domains[1], "FOO"));
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}
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static void test_dhcp_lease_parse_search_domains_labels_and_ptr(void) {
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int r;
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_cleanup_strv_free_ char **domains = NULL;
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static const uint8_t optionbuf[] = {
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0x03, 'F', 'O', 'O', 0x03, 'B', 'A', 'R', 0x00,
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0x03, 'A', 'B', 'C', 0xC0, 0x04,
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};
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r = dhcp_lease_parse_search_domains(optionbuf, sizeof(optionbuf), &domains);
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assert_se(r == 2);
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assert_se(streq(domains[0], "FOO.BAR"));
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assert_se(streq(domains[1], "ABC.BAR"));
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}
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/* Tests for exceptions. */
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static void test_dhcp_lease_parse_search_domains_no_data(void) {
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_cleanup_strv_free_ char **domains = NULL;
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static const uint8_t optionbuf[3] = {0, 0, 0};
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assert_se(dhcp_lease_parse_search_domains(NULL, 0, &domains) == -ENODATA);
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assert_se(dhcp_lease_parse_search_domains(optionbuf, 0, &domains) == -ENODATA);
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}
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static void test_dhcp_lease_parse_search_domains_loops(void) {
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_cleanup_strv_free_ char **domains = NULL;
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static const uint8_t optionbuf[] = {
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0x03, 'F', 'O', 'O', 0x00, 0x03, 'B', 'A', 'R', 0xC0, 0x06,
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};
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assert_se(dhcp_lease_parse_search_domains(optionbuf, sizeof(optionbuf), &domains) == -EBADMSG);
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}
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static void test_dhcp_lease_parse_search_domains_wrong_len(void) {
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_cleanup_strv_free_ char **domains = NULL;
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static const uint8_t optionbuf[] = {
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0x03, 'F', 'O', 'O', 0x03, 'B', 'A', 'R', 0x00,
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0x04, 'A', 'B', 'C', 'D', 0x03, 'E', 'F', 'G', 0x00,
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};
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assert_se(dhcp_lease_parse_search_domains(optionbuf, sizeof(optionbuf) - 5, &domains) == -EBADMSG);
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}
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int main(int argc, char *argv[]) {
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test_dhcp_lease_parse_search_domains_basic();
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test_dhcp_lease_parse_search_domains_ptr();
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test_dhcp_lease_parse_search_domains_labels_and_ptr();
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test_dhcp_lease_parse_search_domains_no_data();
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test_dhcp_lease_parse_search_domains_loops();
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test_dhcp_lease_parse_search_domains_wrong_len();
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return 0;
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}
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