| #ifndef _RESOLV_H_ |
| #define _RESOLV_H_ |
| |
| #include <stdint.h> |
| #include <arpa/nameser.h> |
| #include <netinet/in.h> |
| |
| #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 |
| |
| 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 |