1 /***
2   This file is part of avahi.
3 
4   avahi is free software; you can redistribute it and/or modify it
5   under the terms of the GNU Lesser General Public License as
6   published by the Free Software Foundation; either version 2.1 of the
7   License, or (at your option) any later version.
8 
9   avahi is distributed in the hope that it will be useful, but WITHOUT
10   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
11   or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
12   Public License for more details.
13 
14   You should have received a copy of the GNU Lesser General Public
15   License along with avahi; if not, write to the Free Software
16   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
17   USA.
18 ***/
19 
20 #ifdef HAVE_CONFIG_H
21 #include <config.h>
22 #endif
23 
24 #include <assert.h>
25 #include <sys/types.h>
26 #include <sys/socket.h>
27 #include <netinet/in.h>
28 #include <arpa/inet.h>
29 
30 #include <avahi-common/domain.h>
31 #include <avahi-common/defs.h>
32 #include <avahi-common/malloc.h>
33 
34 #include "dns.h"
35 #include "log.h"
36 #include "util.h"
37 
main(AVAHI_GCC_UNUSED int argc,AVAHI_GCC_UNUSED char * argv[])38 int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {
39     char t[AVAHI_DOMAIN_NAME_MAX], *m;
40     const char *a, *b, *c, *d;
41     AvahiDnsPacket *p;
42     AvahiRecord *r, *r2;
43     uint8_t rdata[AVAHI_DNS_RDATA_MAX];
44     size_t l;
45 
46     p = avahi_dns_packet_new(0);
47 
48     assert(avahi_dns_packet_append_name(p, a = "Ahello.hello.hello.de."));
49     assert(avahi_dns_packet_append_name(p, b = "Bthis is a test.hello.de."));
50     assert(avahi_dns_packet_append_name(p, c = "Cthis\\.is\\.a\\.test\\.with\\.dots.hello.de."));
51     assert(avahi_dns_packet_append_name(p, d = "Dthis\\\\is another test.hello.de."));
52 
53     avahi_hexdump(AVAHI_DNS_PACKET_DATA(p), p->size);
54 
55     assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0);
56     avahi_log_debug(">%s<", t);
57     assert(avahi_domain_equal(a, t));
58 
59     assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0);
60     avahi_log_debug(">%s<", t);
61     assert(avahi_domain_equal(b, t));
62 
63     assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0);
64     avahi_log_debug(">%s<", t);
65     assert(avahi_domain_equal(c, t));
66 
67     assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0);
68     avahi_log_debug(">%s<", t);
69     assert(avahi_domain_equal(d, t));
70 
71     avahi_dns_packet_free(p);
72 
73     /* RDATA PARSING AND SERIALIZATION */
74 
75     /* Create an AvahiRecord with some usful data */
76     r = avahi_record_new_full("foobar.local", AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_HINFO, AVAHI_DEFAULT_TTL);
77     assert(r);
78     r->data.hinfo.cpu = avahi_strdup("FOO");
79     r->data.hinfo.os = avahi_strdup("BAR");
80 
81     /* Serialize it into a blob */
82     assert((l = avahi_rdata_serialize(r, rdata, sizeof(rdata))) != (size_t) -1);
83 
84     /* Print it */
85     avahi_hexdump(rdata, l);
86 
87     /* Create a new record and fill in the data from the blob */
88     r2 = avahi_record_new(r->key, AVAHI_DEFAULT_TTL);
89     assert(r2);
90     assert(avahi_rdata_parse(r2, rdata, l) >= 0);
91 
92     /* Compare both versions */
93     assert(avahi_record_equal_no_ttl(r, r2));
94 
95     /* Free the records */
96     avahi_record_unref(r);
97     avahi_record_unref(r2);
98 
99     r = avahi_record_new_full("foobar", 77, 77, AVAHI_DEFAULT_TTL);
100     assert(r);
101 
102     assert(r->data.generic.data = avahi_memdup("HALLO", r->data.generic.size = 5));
103 
104     m = avahi_record_to_string(r);
105     assert(m);
106 
107     avahi_log_debug(">%s<", m);
108 
109     avahi_free(m);
110     avahi_record_unref(r);
111 
112     return 0;
113 }
114