X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=dns.h;h=9a692c48af8807b3f7d87674bab60b87d98e3d48;hb=837fb2df0993753f39e098934dc6bd8fa8a19b47;hp=5815a9a57e13ba3540c947a12a96c39d74bf125d;hpb=4ba1a4b0b4488e5058af67b789187735b529075e;p=catta

diff --git a/dns.h b/dns.h
index 5815a9a..9a692c4 100644
--- a/dns.h
+++ b/dns.h
@@ -3,43 +3,68 @@
 
 #include <glib.h>
 
-#define FLX_DNS_MAX_PACKET_SIZE 9000
+#include "rr.h"
+
+#define FLX_DNS_PACKET_MAX_SIZE 9000
+#define FLX_DNS_PACKET_HEADER_SIZE 12
 
 typedef struct _flxDnsPacket {
-    guint size, rindex;
-    guint8 data[FLX_DNS_MAX_PACKET_SIZE];
+    guint size, rindex, max_size;
+    GHashTable *name_table; /* for name compression */
 } flxDnsPacket;
 
-flxDnsPacket* flx_dns_packet_new(void);
+
+#define FLX_DNS_PACKET_DATA(p) (((guint8*) p) + sizeof(flxDnsPacket))
+
+flxDnsPacket* flx_dns_packet_new(guint size);
+flxDnsPacket* flx_dns_packet_new_query(guint size);
+flxDnsPacket* flx_dns_packet_new_response(guint size);
+
 void flx_dns_packet_free(flxDnsPacket *p);
 void flx_dns_packet_set_field(flxDnsPacket *p, guint index, guint16 v);
 guint16 flx_dns_packet_get_field(flxDnsPacket *p, guint index);
 
+guint8 *flx_dns_packet_extend(flxDnsPacket *p, guint l);
+
 guint8 *flx_dns_packet_append_uint16(flxDnsPacket *p, guint16 v);
+guint8 *flx_dns_packet_append_uint32(flxDnsPacket *p, guint32 v);
 guint8 *flx_dns_packet_append_name(flxDnsPacket *p, const gchar *name);
-guint8 *flx_dns_packet_append_name_compressed(flxDnsPacket *p, const gchar *name, guint8 *prev);
-guint8 *flx_dns_packet_extend(flxDnsPacket *p, guint l);
-gint flx_dns_packet_check_valid_response(flxDnsPacket *p);
+guint8 *flx_dns_packet_append_bytes(flxDnsPacket  *p, gconstpointer, guint l);
+guint8* flx_dns_packet_append_key(flxDnsPacket *p, flxKey *k);
+guint8* flx_dns_packet_append_record(flxDnsPacket *p, flxRecord *r, gboolean cache_flush);
+guint8* flx_dns_packet_append_string(flxDnsPacket *p, const gchar *s);
+
+gint flx_dns_packet_is_query(flxDnsPacket *p);
 gint flx_dns_packet_check_valid(flxDnsPacket *p);
 
-gint flx_dns_packet_consume_name(flxDnsPacket *p, gchar *ret_name, guint l);
 gint flx_dns_packet_consume_uint16(flxDnsPacket *p, guint16 *ret_v);
 gint flx_dns_packet_consume_uint32(flxDnsPacket *p, guint32 *ret_v);
+gint flx_dns_packet_consume_name(flxDnsPacket *p, gchar *ret_name, guint l);
 gint flx_dns_packet_consume_bytes(flxDnsPacket *p, gpointer ret_data, guint l);
+flxKey* flx_dns_packet_consume_key(flxDnsPacket *p);
+flxRecord* flx_dns_packet_consume_record(flxDnsPacket *p, gboolean *ret_cache_flush);
+gint flx_dns_packet_consume_string(flxDnsPacket *p, gchar *ret_string, guint l);
+
+gconstpointer flx_dns_packet_get_rptr(flxDnsPacket *p);
+
 gint flx_dns_packet_skip(flxDnsPacket *p, guint length);
 
-#define DNS_FIELD_ID 0
-#define DNS_FIELD_FLAGS 1
-#define DNS_FIELD_QDCOUNT 2
-#define DNS_FIELD_ANCOUNT 3
-#define DNS_FIELD_NSCOUNT 4
-#define DNS_FIELD_ARCOUNT 5
+gboolean flx_dns_packet_is_empty(flxDnsPacket *p);
+guint flx_dns_packet_space(flxDnsPacket *p);
+
+#define FLX_DNS_FIELD_ID 0
+#define FLX_DNS_FIELD_FLAGS 1
+#define FLX_DNS_FIELD_QDCOUNT 2
+#define FLX_DNS_FIELD_ANCOUNT 3
+#define FLX_DNS_FIELD_NSCOUNT 4
+#define FLX_DNS_FIELD_ARCOUNT 5
 
-#define DNS_FLAG_QR (1 << 15)
-#define DNS_FLAG_OPCODE (15 << 11)
-#define DNS_FLAG_RCODE (15)
+#define FLX_DNS_FLAG_QR (1 << 15)
+#define FLX_DNS_FLAG_OPCODE (15 << 11)
+#define FLX_DNS_FLAG_RCODE (15)
+#define FLX_DNS_FLAG_TC (1 << 9)
 
-#define DNS_FLAGS(qr, opcode, aa, tc, rd, ra, z, ad, cd, rcode) \
+#define FLX_DNS_FLAGS(qr, opcode, aa, tc, rd, ra, z, ad, cd, rcode) \
         (((guint16) !!qr << 15) |  \
          ((guint16) (opcode & 15) << 11) | \
          ((guint16) !!aa << 10) | \
@@ -51,5 +76,7 @@ gint flx_dns_packet_skip(flxDnsPacket *p, guint length);
          ((guint16) (rd & 15)))
          
 
+gchar *flx_unescape_label(gchar *dest, guint size, const gchar **name);
+
 #endif