diff options
Diffstat (limited to 'mdk-stage1/dietlibc/include/resolv.h')
| -rw-r--r-- | mdk-stage1/dietlibc/include/resolv.h | 125 |
1 files changed, 124 insertions, 1 deletions
diff --git a/mdk-stage1/dietlibc/include/resolv.h b/mdk-stage1/dietlibc/include/resolv.h index 4e90799c2..dae226582 100644 --- a/mdk-stage1/dietlibc/include/resolv.h +++ b/mdk-stage1/dietlibc/include/resolv.h @@ -1 +1,124 @@ -void res_init(void); +#ifndef _RESOLV_H +#define _RESOLV_H + +#include <sys/param.h> +#include <sys/types.h> +#include <stdio.h> +#include <netinet/in.h> + +#ifndef _PATH_RESCONF +#define _PATH_RESCONF "/etc/resolv.conf" +#endif + +/* + * Global defines and variables for resolver stub. + */ +#define MAXNS 8 /* max # name servers we'll track */ +#define MAXDFLSRCH 3 /* # default domain levels to try */ +#define MAXDNSRCH 6 /* max # domains in search path */ +#define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */ + +#define RES_TIMEOUT 5 /* min. seconds between retries */ +#define MAXRESOLVSORT 10 /* number of net to sort on */ +#define RES_MAXNDOTS 15 /* should reflect bit field size */ + +struct res_state { + int retrans; /* retransmission time interval */ + int retry; /* number of times to retransmit */ + unsigned long options; /* option flags - see below. */ + int nscount; /* number of name servers */ + struct sockaddr_in_pad + nsaddr_list[MAXNS]; /* address of name server */ +#define nsaddr nsaddr_list[0] /* for backward compatibility */ + unsigned short id; /* current message id */ + char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */ + char defdname[256]; /* default domain (deprecated) */ + unsigned long pfcode; /* RES_PRF_ flags - see below. */ + unsigned ndots:4; /* threshold for initial abs. query */ + unsigned nsort:4; /* number of elements in sort_list[] */ + char unused[3]; + struct { + struct in_addr addr; + uint32_t mask; + } sort_list[MAXRESOLVSORT]; + char pad[72]; /* on an i386 this means 512b total */ +}; + +/* + * Resolver options (keep these in synch with res_debug.c, please) + */ +#define RES_INIT 0x00000001 /* address initialized */ +#define RES_DEBUG 0x00000002 /* print debug messages */ +#define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/ +#define RES_USEVC 0x00000008 /* use virtual circuit */ +#define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */ +#define RES_IGNTC 0x00000020 /* ignore trucation errors */ +#define RES_RECURSE 0x00000040 /* recursion desired */ +#define RES_DEFNAMES 0x00000080 /* use default domain name */ +#define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */ +#define RES_DNSRCH 0x00000200 /* search up local domain tree */ +#define RES_INSECURE1 0x00000400 /* type 1 security disabled */ +#define RES_INSECURE2 0x00000800 /* type 2 security disabled */ +#define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */ +#define RES_USE_INET6 0x00002000 /* use/map IPv6 in gethostbyname() */ + +#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) + +/* + * Resolver "pfcode" values. Used by dig. + */ +#define RES_PRF_STATS 0x00000001 +/* 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 +/* 0x00008000 */ + +struct res_sym { + int number; /* Identifying number, like T_MX */ + char * name; /* Its symbolic name, like "MX" */ + char * humanname; /* Its fun name, like "mail exchanger" */ +}; + +extern struct res_state _res; +extern const struct res_sym __p_class_syms[]; +extern const struct res_sym __p_type_syms[]; + +int res_init(void) __THROW; + +int res_query(const char *dname, int class, int type, + unsigned char *answer, int anslen) __THROW; + +int res_search(const char *dname, int class, int type, + unsigned char *answer, int anslen) __THROW; + +int res_querydomain(const char *name, const char *domain, + int class, int type, unsigned char *answer, + int anslen) __THROW; + +int res_mkquery(int op, const char *dname, int class, + int type, char *data, int datalen, const unsigned char* newrr, + char *buf, int buflen) __THROW; + +int res_send(const char *msg, int msglen, char *answer, + int anslen) __THROW; + +int dn_comp(unsigned char *msg, unsigned char *comp_dn, + int length, unsigned char **dnptrs, unsigned char *exp_dn, + unsigned char **lastdnptr) __THROW; + +int dn_expand(unsigned char *msg, unsigned char *eomorig, + unsigned char *comp_dn, unsigned char *exp_dn, + int length) __THROW; + +#endif |