internal.h File Reference

#include "config.h"
#include <stdarg.h>
#include <assert.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <string.h>
#include <sys/time.h>
#include "adns.h"
#include "dlist.h"

Go to the source code of this file.

Data Structures
union	rr_align
struct	vbuf
struct	parseinfo
struct	typeinfo
struct	allocnode
union	maxalign
struct	qcontext
struct	adns_query
struct	query_queue
struct	adns_state
struct	adns_state::server
struct	adns_state::sortlist
struct	findlabel_state
Defines
#define	MAXSERVERS   5
#define	MAXSORTLIST   15
#define	UDPMAXRETRIES   15
#define	UDPRETRYMS   2000
#define	TCPWAITMS   30000
#define	TCPCONNMS   14000
#define	TCPIDLEMS   30000
#define	MAXTTLBELIEVE   (7*86400) /* any TTL > 7 days is capped */
#define	DNS_PORT   53
#define	DNS_MAXUDP   512
#define	DNS_MAXLABEL   63
#define	DNS_MAXDOMAIN   255
#define	DNS_HDRSIZE   12
#define	DNS_IDOFFSET   0
#define	DNS_CLASS_IN   1
#define	DNS_INADDR_ARPA   "in-addr", "arpa"
#define	MAX_POLLFDS   ADNS_POLLFDS_RECOMMENDED
#define	MEM_ROUND(sz)
#define	GETIL_B(cb)   (((dgram)[(cb)++]) & 0x0ff)
#define	GET_B(cb, tv)   ((tv)= GETIL_B((cb)))
#define	GET_W(cb, tv)   ((tv)=0, (tv)|=(GETIL_B((cb))<<8), (tv)|=GETIL_B(cb), (tv))
#define	GET_L(cb, tv)
Typedefs
typedef unsigned char	byte
Enumerations
enum	consistency_checks { cc_user, cc_entex, cc_freq }
enum	dns_rcode {   rcode_noerror, rcode_formaterror, rcode_servfail, rcode_nxdomain,   rcode_notimp, rcode_refused }
enum	parsedomain_flags { pdf_quoteok = 0x001 }
Functions
int	adns__setnonblock (adns_state ads, ADNS_SOCKET fd)
void	adns__vdiag (adns_state ads, const char *pfx, adns_initflags prevent, int serv, adns_query qu, const char *fmt, va_list al)
void	adns__debug (adns_state ads, int serv, adns_query qu, const char *fmt,...) PRINTFFORMAT(4
void void	adns__warn (adns_state ads, int serv, adns_query qu, const char *fmt,...) PRINTFFORMAT(4
void void void	adns__diag (adns_state ads, int serv, adns_query qu, const char *fmt,...) PRINTFFORMAT(4
void void void int	adns__vbuf_ensure (vbuf *vb, int want)
int	adns__vbuf_appendstr (vbuf *vb, const char *data)
int	adns__vbuf_append (vbuf *vb, const byte *data, int len)
void	adns__vbuf_appendq (vbuf *vb, const byte *data, int len)
void	adns__vbuf_init (vbuf *vb)
void	adns__vbuf_free (vbuf *vb)
const char *	adns__diag_domain (adns_state ads, int serv, adns_query qu, vbuf *vb, const byte *dgram, int dglen, int cbyte)
void	adns__isort (void *array, int nobjs, int sz, void *tempbuf, int(*needswap)(void *context, const void *a, const void *b), void *context)
void	adns__sigpipe_protect (adns_state)
void	adns__sigpipe_unprotect (adns_state)
adns_status	adns__mkquery (adns_state ads, vbuf *vb, int *id_r, const char *owner, int ol, const typeinfo *typei, adns_queryflags flags)
adns_status	adns__mkquery_frdgram (adns_state ads, vbuf *vb, int *id_r, const byte *qd_dgram, int qd_dglen, int qd_begin, adns_rrtype type, adns_queryflags flags)
void	adns__querysend_tcp (adns_query qu, struct timeval now)
void	adns__query_send (adns_query qu, struct timeval now)
adns_status	adns__internal_submit (adns_state ads, adns_query *query_r, const typeinfo *typei, vbuf *qumsg_vb, int id, adns_queryflags flags, struct timeval now, const qcontext *ctx)
void	adns__search_next (adns_state ads, adns_query qu, struct timeval now)
void *	adns__alloc_interim (adns_query qu, size_t sz)
void *	adns__alloc_preserved (adns_query qu, size_t sz)
void	adns__transfer_interim (adns_query from, adns_query to, void *block, size_t sz)
void *	adns__alloc_mine (adns_query qu, size_t sz)
void *	adns__alloc_final (adns_query qu, size_t sz)
void	adns__makefinal_block (adns_query qu, void **blpp, size_t sz)
void	adns__makefinal_str (adns_query qu, char **strp)
void	adns__reset_preserved (adns_query qu)
void	adns__query_done (adns_query qu)
void	adns__query_fail (adns_query qu, adns_status stat)
void	adns__procdgram (adns_state ads, const byte *dgram, int len, int serv, int viatcp, struct timeval now)
const typeinfo *	adns__findtype (adns_rrtype type)
void	adns__findlabel_start (findlabel_state *fls, adns_state ads, int serv, adns_query qu, const byte *dgram, int dglen, int max, int dmbegin, int *dmend_rlater)
adns_status	adns__findlabel_next (findlabel_state *fls, int *lablen_r, int *labstart_r)
adns_status	adns__parse_domain (adns_state ads, int serv, adns_query qu, vbuf *vb, adns_queryflags flags, const byte *dgram, int dglen, int *cbyte_io, int max)
adns_status	adns__parse_domain_more (findlabel_state *fls, adns_state ads, adns_query qu, vbuf *vb, parsedomain_flags flags, const byte *dgram)
adns_status	adns__findrr (adns_query qu, int serv, const byte *dgram, int dglen, int *cbyte_io, int *type_r, int *class_r, unsigned long *ttl_r, int *rdlen_r, int *rdstart_r, int *ownermatchedquery_r)
adns_status	adns__findrr_anychk (adns_query qu, int serv, const byte *dgram, int dglen, int *cbyte_io, int *type_r, int *class_r, unsigned long *ttl_r, int *rdlen_r, int *rdstart_r, const byte *eo_dgram, int eo_dglen, int eo_cbyte, int *eo_matched_r)
void	adns__update_expires (adns_query qu, unsigned long ttl, struct timeval now)
int	vbuf__append_quoted1035 (vbuf *vb, const byte *buf, int len)
void	adns__tcp_broken (adns_state ads, const char *what, const char *why)
void	adns__tcp_tryconnect (adns_state ads, struct timeval now)
void	adns__autosys (adns_state ads, struct timeval now)
void	adns__must_gettimeofday (adns_state ads, const struct timeval **now_io, struct timeval *tv_buf)
int	adns__pollfds (adns_state ads, struct pollfd pollfds_buf[MAX_POLLFDS])
void	adns__fdevents (adns_state ads, const struct pollfd *pollfds, int npollfds, int maxfd, const fd_set *readfds, const fd_set *writefds, const fd_set *exceptfds, struct timeval now, int *r_r)
int	adns__internal_check (adns_state ads, adns_query *query_io, adns_answer **answer, void **context_r)
void	adns__timeouts (adns_state ads, int act, struct timeval **tv_io, struct timeval *tvbuf, struct timeval now)
void	adns__consistency (adns_state ads, adns_query qu, consistency_checks cc)
static int	ctype_whitespace (int c)
static int	ctype_digit (int c)
static int	ctype_alpha (int c)
static int	ctype_822special (int c)
static int	ctype_domainunquoted (int c)
static int	errno_resources (int e)