4 #include <sys/socket.h>
10 flxKey *flx_key_new(const gchar *name, guint16 class, guint16 type) {
16 k->name = flx_normalize_name(name);
20 /* g_message("%p %% ref=1", k); */
25 flxKey *flx_key_ref(flxKey *k) {
27 g_assert(k->ref >= 1);
31 /* g_message("%p ++ ref=%i", k, k->ref); */
36 void flx_key_unref(flxKey *k) {
38 g_assert(k->ref >= 1);
40 /* g_message("%p -- ref=%i", k, k->ref-1); */
42 if ((--k->ref) <= 0) {
48 flxRecord *flx_record_new(flxKey *k, gconstpointer data, guint16 size, guint32 ttl) {
54 r = g_new(flxRecord, 1);
56 r->key = flx_key_ref(k);
57 r->data = size > 0 ? g_memdup(data, size) : NULL;
64 flxRecord *flx_record_new_full(const gchar *name, guint16 class, guint16 type, gconstpointer data, guint16 size, guint32 ttl) {
68 k = flx_key_new(name, class, type);
69 r = flx_record_new(k, data, size, ttl);
75 flxRecord *flx_record_ref(flxRecord *r) {
77 g_assert(r->ref >= 1);
83 void flx_record_unref(flxRecord *r) {
85 g_assert(r->ref >= 1);
87 if ((--r->ref) <= 0) {
88 flx_key_unref(r->key);
94 const gchar *flx_dns_class_to_string(guint16 class) {
95 if (class == FLX_DNS_CLASS_IN)
101 const gchar *flx_dns_type_to_string(guint16 type) {
103 case FLX_DNS_TYPE_CNAME:
107 case FLX_DNS_TYPE_AAAA:
109 case FLX_DNS_TYPE_PTR:
111 case FLX_DNS_TYPE_HINFO:
113 case FLX_DNS_TYPE_TXT:
115 case FLX_DNS_TYPE_SRV:
123 gchar *flx_key_to_string(flxKey *k) {
124 return g_strdup_printf("%s\t%s\t%s",
126 flx_dns_class_to_string(k->class),
127 flx_dns_type_to_string(k->type));
130 gchar *flx_record_to_string(flxRecord *r) {
132 char t[257] = "<unparsable>";
134 switch (r->key->type) {
136 inet_ntop(AF_INET, r->data, t, sizeof(t));
139 case FLX_DNS_TYPE_AAAA:
140 inet_ntop(AF_INET6, r->data, t, sizeof(t));
143 case FLX_DNS_TYPE_PTR: {
150 memcpy(t, r->data, l);
155 case FLX_DNS_TYPE_TXT: {
160 guchar l = ((guchar*) r->data)[0];
162 if ((size_t) l+1 <= r->size) {
163 memcpy(t, r->data+1, ((guchar*) r->data)[0]);
164 t[((guchar*) r->data)[0]] = 0;
170 case FLX_DNS_TYPE_HINFO: {
172 gchar hi1[256], hi2[256];
175 if ((size_t) (len = ((guchar*) r->data)[0]) + 2 <= r->size) {
177 memcpy(hi1, (gchar*) r->data +1, len);
180 if ((size_t) (len2 = ((guchar*) r->data)[len+1]) + len + 2 <= r->size) {
181 memcpy(hi2, (gchar*) r->data+len+2, len2);
183 snprintf(t, sizeof(t), "'%s' '%s'", hi1, hi2);
191 case FLX_DNS_TYPE_SRV: {
199 memcpy(k, r->data+6, l);
202 snprintf(t, sizeof(t), "%u %u %u %s",
203 ntohs(((guint16*) r->data)[0]),
204 ntohs(((guint16*) r->data)[1]),
205 ntohs(((guint16*) r->data)[2]),
211 p = flx_key_to_string(r->key);
212 s = g_strdup_printf("%s %s ; ttl=%u", p, t, r->ttl);
218 gboolean flx_key_equal(const flxKey *a, const flxKey *b) {
222 /* g_message("equal: %p %p", a, b); */
224 return strcmp(a->name, b->name) == 0 && a->type == b->type && a->class == b->class;
227 guint flx_key_hash(const flxKey *k) {
230 return g_str_hash(k->name) + k->type + k->class;
233 gboolean flx_record_equal_no_ttl(const flxRecord *a, const flxRecord *b) {
237 return flx_key_equal(a->key, b->key) &&
238 /* a->ttl == b->ttl && */
239 a->size == b->size &&
240 (a->size == 0 || memcmp(a->data, b->data, a->size) == 0);