From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- include/resolv.h | 143 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 include/resolv.h (limited to 'include/resolv.h') diff --git a/include/resolv.h b/include/resolv.h new file mode 100644 index 0000000..3b77fc7 --- /dev/null +++ b/include/resolv.h @@ -0,0 +1,143 @@ +#ifndef _RESOLV_H_ +#define _RESOLV_H_ + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define MAXNS 3 +#define MAXDFLSRCH 3 +#define MAXDNSRCH 6 +#define LOCALDOMAINPARTS 2 + +#define RES_TIMEOUT 5 +#define MAXRESOLVSORT 10 +#define RES_MAXNDOTS 15 +#define RES_MAXRETRANS 30 +#define RES_MAXRETRY 5 +#define RES_DFLRETRY 2 +#define RES_MAXTIME 65535 + +/* unused; purely for broken apps */ +typedef struct __res_state { + int retrans; + int retry; + unsigned long options; + int nscount; + struct sockaddr_in nsaddr_list[MAXNS]; +# define nsaddr nsaddr_list[0] + unsigned short id; + char *dnsrch[MAXDNSRCH+1]; + char defdname[256]; + unsigned long pfcode; + unsigned ndots:4; + unsigned nsort:4; + unsigned ipv6_unavail:1; + unsigned unused:23; + struct { + struct in_addr addr; + uint32_t mask; + } sort_list[MAXRESOLVSORT]; + void *qhook; + void *rhook; + int res_h_errno; + int _vcsock; + unsigned _flags; + union { + char pad[52]; + struct { + uint16_t nscount; + uint16_t nsmap[MAXNS]; + int nssocks[MAXNS]; + uint16_t nscount6; + uint16_t nsinit; + struct sockaddr_in6 *nsaddrs[MAXNS]; + unsigned int _initstamp[2]; + } _ext; + } _u; +} *res_state; + +#define __RES 19991006 + +#ifndef _PATH_RESCONF +#define _PATH_RESCONF "/etc/resolv.conf" +#endif + +struct res_sym { + int number; + char *name; + char *humanname; +}; + +#define RES_F_VC 0x00000001 +#define RES_F_CONN 0x00000002 +#define RES_F_EDNS0ERR 0x00000004 + +#define RES_EXHAUSTIVE 0x00000001 + +#define RES_INIT 0x00000001 +#define RES_DEBUG 0x00000002 +#define RES_AAONLY 0x00000004 +#define RES_USEVC 0x00000008 +#define RES_PRIMARY 0x00000010 +#define RES_IGNTC 0x00000020 +#define RES_RECURSE 0x00000040 +#define RES_DEFNAMES 0x00000080 +#define RES_STAYOPEN 0x00000100 +#define RES_DNSRCH 0x00000200 +#define RES_INSECURE1 0x00000400 +#define RES_INSECURE2 0x00000800 +#define RES_NOALIASES 0x00001000 +#define RES_USE_INET6 0x00002000 +#define RES_ROTATE 0x00004000 +#define RES_NOCHECKNAME 0x00008000 +#define RES_KEEPTSIG 0x00010000 +#define RES_BLAST 0x00020000 +#define RES_USEBSTRING 0x00040000 +#define RES_NOIP6DOTINT 0x00080000 +#define RES_USE_EDNS0 0x00100000 +#define RES_SNGLKUP 0x00200000 +#define RES_SNGLKUPREOP 0x00400000 +#define RES_USE_DNSSEC 0x00800000 + +#define RES_DEFAULT (RES_RECURSE|RES_DEFNAMES|RES_DNSRCH|RES_NOIP6DOTINT) + +#define RES_PRF_STATS 0x00000001 +#define RES_PRF_UPDATE 0x00000002 +#define RES_PRF_CLASS 0x00000004 +#define RES_PRF_CMD 0x00000008 +#define RES_PRF_QUES 0x00000010 +#define RES_PRF_ANS 0x00000020 +#define RES_PRF_AUTH 0x00000040 +#define RES_PRF_ADD 0x00000080 +#define RES_PRF_HEAD1 0x00000100 +#define RES_PRF_HEAD2 0x00000200 +#define RES_PRF_TTLID 0x00000400 +#define RES_PRF_HEADX 0x00000800 +#define RES_PRF_QUERY 0x00001000 +#define RES_PRF_REPLY 0x00002000 +#define RES_PRF_INIT 0x00004000 + +extern struct __res_state *__res_state(void); +#define _res (*__res_state()) + +struct rrec; + +int res_init(void); +int res_query(const char *, int, int, unsigned char *, int); +int res_querydomain(const char *, const char *, int, int, unsigned char *, int); +int res_search(const char *, int, int, unsigned char *, int); +int res_mkquery(int, const char *, int, int, char *, int, struct rrec *, char *, int); +int res_send(const char *, int, char *, int); +int dn_comp(unsigned char *, unsigned char *, int, unsigned char **, unsigned char *, unsigned char **); +int dn_expand(unsigned char *, unsigned char *, unsigned char *, unsigned char *, int); + +#ifdef __cplusplus +} +#endif + +#endif -- cgit v1.1