andns_lib.h File Reference

#include <string.h>
#include <stdint.h>
#include <sys/types.h>

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Data Structures
struct	andns_pkt_data
struct	andns_pkt

Macros
#define	ANDNS_MAX_QUESTION_LEN   263 /* TODO */
#define	ANDNS_MAX_ANSWER_LEN   516
#define	ANDNS_MAX_ANSWERS_NUM   256
#define	ANDNS_MAX_PK_LEN
#define	ANDNS_MAX_DATA_LEN   512
#define	ANDNS_MAX_QST_LEN   512
#define	ANNDS_DNS_MAZ_QST_LEN   255
#define	ANDNS_MAX_ANSW_IP_LEN   20
#define	ANDNS_MAX_ANSW_H_LEN   516
#define	ANDNS_HASH_H   16
#define	ANDNS_COMPR_LEVEL   Z_BEST_COMPRESSION
#define	ANDNS_COMPR_THRESHOLD   1000
#define	ANDNS_PKT_DATA_SZ   sizeof(andns_pkt_data)
#define	APD_ALIGN(apd)
#define	APD_MAIN_IP   1<<0
#define	APD_IP   1<<1
#define	APD_TCP   1<<2
#define	APD_UDP   1<<3
#define	ANDNS_PKT_SZ   sizeof(andns_pkt)
#define	AP_ALIGN(ap)   (ap)->qstdata=(char*)xmalloc((ap)->qstlength)
#define	ANDNS_HDR_SZ   4
#define	ANDNS_HDR_Z   4
#define	ANDNS_MAX_SZ   ANDNS_HDR_SZ+ANDNS_MAX_QST_LEN+ANDNS_MAX_QST_LEN+4
#define	ANDNS_SET_RCODE(s, c)   *((s)+3)=(((*((s)+3))&0xf0)|c)
#define	ANDNS_SET_QR(s)   (*((s)+2))|=0x80
#define	ANDNS_SET_ANCOUNT(s, n)   *(s+2)|=((n)>>1);*(s+3)|=((n)<<7);
#define	ANDNS_SET_Z(s)   *(s+3)|=0x20;
#define	ANDNS_UNSET_Z(s)   *(s+3)&=0xdf;
#define	ANDNS_PROTO_TCP   0
#define	ANDNS_PROTO_UDP   1
#define	AT_A   0 /* h->ip */
#define	AT_PTR   1 /* ip->h */
#define	AT_G   2 /* global */
#define	ANDNS_RCODE_NOERR   0 /* No error */
#define	ANDNS_RCODE_EINTRPRT   1 /* Intepret error */
#define	ANDNS_RCODE_ESRVFAIL   2 /* Server failure */
#define	ANDNS_RCODE_ENSDMN   3 /* No such domain */
#define	ANDNS_RCODE_ENIMPL   4 /* Not implemented */
#define	ANDNS_RCODE_ERFSD   5 /* Refused */
#define	NTK_REALM   1
#define	INET_REALM   2
#define	ANDNS_IPV4   0
#define	ANDNS_IPV6   1

Typedefs
typedef struct andns_pkt_data	andns_pkt_data
typedef struct andns_pkt	andns_pkt

Functions
int	andns_compress (char *src, int srclen)
char *	andns_uncompress (char *src, int srclen, int *dstlen)
int	a_hdr_u (char *buf, andns_pkt *ap)
int	a_qst_u (char *buf, andns_pkt *ap, int limitlen)
int	a_answ_u (char *buf, andns_pkt *ap, int limitlen)
int	a_answs_u (char *buf, andns_pkt *ap, int limitlen)
int	a_u (char *buf, int pktlen, andns_pkt **app)
int	a_hdr_p (andns_pkt *ap, char *buf)
int	a_qst_p (andns_pkt *ap, char *buf, int limitlen)
int	a_answ_p (andns_pkt *ap, andns_pkt_data *apd, char *buf, int limitlen)
int	a_answs_p (andns_pkt *ap, char *buf, int limitlen)
int	a_p (andns_pkt *ap, char *buf)
andns_pkt *	create_andns_pkt (void)
andns_pkt_data *	create_andns_pkt_data (void)
andns_pkt_data *	andns_add_answ (andns_pkt *ap)
void	destroy_andns_pkt_data (andns_pkt_data *apd)
void	andns_del_answ (andns_pkt *ap)
void	destroy_andns_pkt_datas (andns_pkt *ap)
void	destroy_andns_pkt (andns_pkt *ap)

Macro Definition Documentation

#define ANDNS_COMPR_LEVEL   Z_BEST_COMPRESSION

#define ANDNS_COMPR_THRESHOLD   1000

#define ANDNS_HASH_H   16

#define ANDNS_HDR_SZ   4

#define ANDNS_HDR_Z   4

#define ANDNS_IPV4   0

#define ANDNS_IPV6   1

#define ANDNS_MAX_ANSW_H_LEN   516

#define ANDNS_MAX_ANSW_IP_LEN   20

#define ANDNS_MAX_ANSWER_LEN   516

#define ANDNS_MAX_ANSWERS_NUM   256

#define ANDNS_MAX_DATA_LEN   512

#define ANDNS_MAX_PK_LEN

Value:

ANDNS_MAX_QUESTION_LEN+\
				ANDNS_MAX_ANSWERS_NUM*ANDNS_MAX_ANSWER_LEN

#define ANDNS_MAX_QST_LEN   512

#define ANDNS_MAX_QUESTION_LEN   263 /* TODO */

#define ANDNS_MAX_SZ   ANDNS_HDR_SZ+ANDNS_MAX_QST_LEN+ANDNS_MAX_QST_LEN+4

#define ANDNS_PKT_DATA_SZ   sizeof(andns_pkt_data)

#define ANDNS_PKT_SZ   sizeof(andns_pkt)

#define ANDNS_PROTO_TCP   0

#define ANDNS_PROTO_UDP   1

#define ANDNS_RCODE_EINTRPRT   1 /* Intepret error */

#define ANDNS_RCODE_ENIMPL   4 /* Not implemented */

#define ANDNS_RCODE_ENSDMN   3 /* No such domain */

#define ANDNS_RCODE_ERFSD   5 /* Refused */

#define ANDNS_RCODE_ESRVFAIL   2 /* Server failure */

#define ANDNS_RCODE_NOERR   0 /* No error */

#define ANDNS_SET_ANCOUNT	(		s,
			n
	)		*(s+2)|=((n)>>1);*(s+3)|=((n)<<7);

#define ANDNS_SET_QR

(

s

)

(*((s)+2))|=0x80

#define ANDNS_SET_RCODE	(		s,
			c
	)		*((s)+3)=(((*((s)+3))&0xf0)|c)

#define ANDNS_SET_Z

(

s

)

*(s+3)|=0x20;

#define ANDNS_UNSET_Z

(

s

)

*(s+3)&=0xdf;

#define ANNDS_DNS_MAZ_QST_LEN   255

#define AP_ALIGN

(

ap

)

(ap)->qstdata=(char*)xmalloc((ap)->qstlength)

#define APD_ALIGN

(

apd

)

Value:

(apd)->rdata=(char*)xmalloc((apd)->rdlength+1);     \
                     memset((apd)->rdata,0,(apd)->rdlength+1)

#define APD_IP   1<<1

#define APD_MAIN_IP   1<<0

#define APD_TCP   1<<2

#define APD_UDP   1<<3

#define AT_A   0 /* h->ip */

#define AT_G   2 /* global */

#define AT_PTR   1 /* ip->h */

#define INET_REALM   2

#define NTK_REALM   1

Typedef Documentation

typedef struct andns_pkt andns_pkt

typedef struct andns_pkt_data andns_pkt_data

Function Documentation

int a_answ_p	(	andns_pkt *	ap,
		andns_pkt_data *	apd,
		char *	buf,
		int	limitlen
	)

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int a_answ_u	(	char *	buf,
		andns_pkt *	ap,
		int	limitlen
	)

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int a_answs_p	(	andns_pkt *	ap,
		char *	buf,
		int	limitlen
	)

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int a_answs_u	(	char *	buf,
		andns_pkt *	ap,
		int	limitlen
	)

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int a_hdr_p	(	andns_pkt *	ap,
		char *	buf
	)

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int a_hdr_u	(	char *	buf,
		andns_pkt *	ap
	)

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int a_p	(	andns_pkt *	ap,
		char *	buf
	)

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int a_qst_p	(	andns_pkt *	ap,
		char *	buf,
		int	limitlen
	)

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int a_qst_u	(	char *	buf,
		andns_pkt *	ap,
		int	limitlen
	)

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int a_u	(	char *	buf,
		int	pktlen,
		andns_pkt **	app
	)

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andns_pkt_data* andns_add_answ

(

andns_pkt *

ap

)

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int andns_compress	(	char *	src,
		int	srclen
	)

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void andns_del_answ

(

andns_pkt *

ap

)

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char* andns_uncompress	(	char *	src,
		int	srclen,
		int *	dstlen
	)

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andns_pkt* create_andns_pkt

(

void

)

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andns_pkt_data* create_andns_pkt_data

(

void

)

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void destroy_andns_pkt

(

andns_pkt *

ap

)

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void destroy_andns_pkt_data

(

andns_pkt_data *

apd

)

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void destroy_andns_pkt_datas

(

andns_pkt *

ap

)

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