1 /*  Copyright (C) 2019 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
2 
3     This program is free software: you can redistribute it and/or modify
4     it under the terms of the GNU General Public License as published by
5     the Free Software Foundation, either version 3 of the License, or
6     (at your option) any later version.
7 
8     This program is distributed in the hope that it will be useful,
9     but WITHOUT ANY WARRANTY; without even the implied warranty of
10     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11     GNU General Public License for more details.
12 
13     You should have received a copy of the GNU General Public License
14     along with this program.  If not, see <https://www.gnu.org/licenses/>.
15  */
16 
17 #include <assert.h>
18 #include <inttypes.h>
19 #include <tap/basic.h>
20 
21 #include "libknot/rrset.h"
22 #include "libknot/descriptor.h"
23 
check_rrset(const knot_rrset_t * rrset,const knot_dname_t * owner,uint16_t type,uint16_t rclass,uint32_t ttl)24 static bool check_rrset(const knot_rrset_t *rrset, const knot_dname_t *owner,
25                         uint16_t type, uint16_t rclass, uint32_t ttl)
26 {
27 	if (!rrset) {
28 		return false;
29 	}
30 
31 	const bool dname_cmp = owner == NULL ? rrset->owner == NULL :
32 	                                       knot_dname_is_equal(rrset->owner, owner);
33 	return rrset->type == type && rrset->rclass == rclass && dname_cmp &&
34 	       rrset->ttl == ttl && rrset->rrs.count == 0; // We do not test rdataset here
35 }
36 
main(int argc,char * argv[])37 int main(int argc, char *argv[])
38 {
39 	plan_lazy();
40 
41 	// Test new
42 	knot_dname_t *dummy_owner = knot_dname_from_str_alloc("test.");
43 	assert(dummy_owner);
44 
45 	knot_rrset_t *rrset = knot_rrset_new(dummy_owner, KNOT_RRTYPE_TXT,
46 	                                     KNOT_CLASS_IN, 3600, NULL);
47 	ok(rrset != NULL, "rrset: create.");
48 	assert(rrset);
49 
50 	ok(check_rrset(rrset, dummy_owner, KNOT_RRTYPE_TXT, KNOT_CLASS_IN, 3600),
51 	   "rrset: set fields during create.");
52 
53 	// Test init
54 	knot_dname_free(dummy_owner, NULL);
55 	dummy_owner = knot_dname_from_str_alloc("test2.");
56 	assert(dummy_owner);
57 
58 	knot_dname_free(rrset->owner, NULL);
59 	knot_rrset_init(rrset, dummy_owner, KNOT_RRTYPE_A, KNOT_CLASS_CH, 7200);
60 	ok(check_rrset(rrset, dummy_owner, KNOT_RRTYPE_A, KNOT_CLASS_CH, 7200),
61 	   "rrset: init.");
62 
63 	// Test copy
64 	knot_rrset_t *copy = knot_rrset_copy(rrset, NULL);
65 	ok(copy != NULL, "rrset: copy.");
66 	ok(check_rrset(copy, rrset->owner, rrset->type, rrset->rclass, 7200),
67 	   "rrset: set fields during copy.");
68 	ok(knot_rrset_copy(NULL, NULL) == NULL, "rrset: copy NULL.");
69 	assert(copy);
70 
71 	// Test equal - same TTL
72 	ok(knot_rrset_equal(rrset, copy, true), "rrset: cmp same TTL");
73 
74 	// Test equal - different TTL
75 	copy->ttl++;
76 	ok(!knot_rrset_equal(rrset, copy, true), "rrset: cmp different TTL");
77 
78 	// Test equal - ignore TTL
79 	ok(knot_rrset_equal(rrset, copy, false), "rrset: cmp ignore TTL");
80 
81 	copy->ttl = rrset->ttl;
82 
83 	// Test equal - different type
84 	copy->type++;
85 	ok(!knot_rrset_equal(rrset, copy, true), "rrset: cmp different type");
86 
87 	copy->type = rrset->type;
88 
89 	// Test equal - owners
90 	knot_dname_free(rrset->owner, NULL);
91 	rrset->owner = NULL;
92 	ok(!knot_rrset_equal(rrset, copy, true), "rrset: cmp NULL owner");
93 
94 	knot_dname_free(copy->owner, NULL);
95 	copy->owner = NULL;
96 	ok(knot_rrset_equal(rrset, copy, true), "rrset: cmp NULL owners");
97 
98 	// Test equal - different rdata
99 	knot_rrset_add_rdata(copy, (const uint8_t *)"abc", 3, NULL);
100 	ok(!knot_rrset_equal(rrset, copy, true), "rrset: cmp different rdata");
101 
102 	// Test clear
103 	knot_rrset_clear(rrset, NULL);
104 	ok(rrset->owner == NULL, "rrset: clear.");
105 
106 	// Test empty
107 	ok(knot_rrset_empty(rrset), "rrset: empty.");
108 	ok(knot_rrset_empty(NULL), "rrset: empty NULL.");
109 	copy->rrs.count = 1;
110 	ok(!knot_rrset_empty(copy), "rrset: not empty.");
111 
112 	// Test init empty
113 	knot_rrset_init_empty(rrset);
114 	ok(check_rrset(rrset, NULL, 0, KNOT_CLASS_IN, 0), "rrset: init empty.");
115 
116 	// "Test" freeing
117 	knot_rrset_free(rrset, NULL);
118 	knot_rrset_free(copy, NULL);
119 
120 	return 0;
121 }
122