diff options
Diffstat (limited to 'newlib/libc/sys/linux/include/resolv.h')
| -rw-r--r-- | newlib/libc/sys/linux/include/resolv.h | 115 |
1 files changed, 94 insertions, 21 deletions
diff --git a/newlib/libc/sys/linux/include/resolv.h b/newlib/libc/sys/linux/include/resolv.h index 1114f2d92..35db205d9 100644 --- a/newlib/libc/sys/linux/include/resolv.h +++ b/newlib/libc/sys/linux/include/resolv.h @@ -94,6 +94,27 @@ #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 */ +#define RES_MAXRETRANS 30 /* only for resolv.conf/RES_OPTIONS */ +#define RES_MAXRETRY 5 /* only for resolv.conf/RES_OPTIONS */ +#define RES_DFLRETRY 2 /* Default #/tries. */ +#define RES_MAXTIME 65535 /* Infinity, in milliseconds. */ + + +typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } + res_sendhookact; +typedef res_sendhookact (*res_send_qhook) (struct sockaddr_in * const *ns, const u_char **query, + int *querylen, + u_char *ans, + int anssiz, + int *resplen); + +typedef res_sendhookact (*res_send_rhook) (const struct sockaddr_in *ns, + const u_char *query, + int querylen, + u_char *ans, + int anssiz, + int *resplen); + struct __res_state { int retrans; /* retransmition time interval */ @@ -114,9 +135,31 @@ struct __res_state { struct in_addr addr; u_int32_t mask; } sort_list[MAXRESOLVSORT]; - char pad[72]; /* on an i386 this means 512b total */ + res_send_qhook qhook; /* query hook */ + res_send_rhook rhook; /* response hook */ + int res_h_errno; /* last one set for this context */ + int _vcsock; /* PRIVATE: for res_send VC i/o */ + u_int _flags; /* PRIVATE: see below */ + union { + char pad[52]; /* On an i386 this means 512b total. */ + struct { + u_int16_t nscount; + u_int16_t nsmap[MAXNS]; + int nssocks[MAXNS]; + u_int16_t nscount6; + u_int16_t nsinit; + struct sockaddr_in6 *nsaddrs[MAXNS]; + unsigned long long int initstamp + __attribute__((packed)); +#if 0 + unsigned int _initstamp[2]; +#endif + } _ext; + } _u; }; +typedef struct __res_state *res_state; + /* for INET6 */ /* * replacement of __res_state, separated to keep binary compatibility. @@ -133,6 +176,15 @@ struct __res_state_ext { }; /* + * * Resolver flags (used to be discrete per-module statics ints). + * */ +#define RES_F_VC 0x00000001 /* socket is TCP */ +#define RES_F_CONN 0x00000002 /* socket is connected */ + +/* res_findzonecut() options */ +#define RES_EXHAUSTIVE 0x00000001 /* always do all queries */ + +/* * Resolver options (keep these in synch with res_debug.c, please) */ #define RES_INIT 0x00000001 /* address initialized */ @@ -149,11 +201,16 @@ struct __res_state_ext { #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_NOTLDQUERY 0x00004000 /* Don't query TLD names */ -/* KAME extensions: use higher bit to avoid conflict with ISC use */ -#define RES_USE_EDNS0 0x40000000 /* use EDNS0 */ +#define RES_ROTATE 0x00004000 /* rotate ns list after each query */ +#define RES_NOCHECKNAME 0x00008000 /* do not check names for sanity. */ +#define RES_KEEPTSIG 0x00010000 /* do not strip TSIG records */ +#define RES_BLAST 0x00020000 /* blast all recursive servers */ +#define RES_USEBSTRING 0x00040000 /* IPv6 reverse lookup with byte + strings */ +#define RES_NOIP6DOTINT 0x00080000 /* Do not use .ip6.int in IPv6 + reverse lookup */ -#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) +#define RES_DEFAULT (RES_RECURSE|RES_DEFNAMES|RES_DNSRCH|RES_NOIP6DOTINT) /* * Resolver "pfcode" values. Used by dig. @@ -175,22 +232,13 @@ struct __res_state_ext { #define RES_PRF_INIT 0x00004000 /* 0x00008000 */ -typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } - res_sendhookact; - -typedef res_sendhookact (*res_send_qhook)(struct sockaddr_in * const *ns, - const u_char **query, - int *querylen, - u_char *ans, - int anssiz, - int *resplen); - -typedef res_sendhookact (*res_send_rhook)(const struct sockaddr_in *ns, - const u_char *query, - int querylen, - u_char *ans, - int anssiz, - int *resplen); +#define RES_SET_H_ERRNO(r,x) \ + do \ + { \ + (r)->res_h_errno = x; \ + h_errno = (x); \ + } \ + while (0) struct res_sym { int number; /* Identifying number, like T_MX */ @@ -207,6 +255,7 @@ extern const struct res_sym __p_type_syms[]; /* Private routines shared between libc/net, named, nslookup and others. */ #define res_hnok __res_hnok +#define res_hostalias __res_hostalias #define res_ownok __res_ownok #define res_mailok __res_mailok #define res_dnok __res_dnok @@ -227,6 +276,7 @@ extern const struct res_sym __p_type_syms[]; #define putlong __putlong #define putshort __putshort #define p_class __p_class +#define p_rcode __p_rcode #define p_time __p_time #define p_type __p_type #define p_query __p_query @@ -249,6 +299,15 @@ extern const struct res_sym __p_type_syms[]; #define res_send __res_send #define res_isourserver __res_isourserver #define res_nameinquery __res_nameinquery +#define res_nclose __res_nclose +#define res_ninit __res_ninit +#define res_nmkquery __res_nmkquery +#define res_npquery __res_npquery +#define res_nquery __res_nquery +#define res_nquerydomain __res_nquerydomain +#define res_nsearch __res_nsearch +#define res_nsend __res_nsend +#define res_nisourserver __res_nisourserver #define res_queriesmatch __res_queriesmatch #define res_close __res_close #define res_opt __res_opt @@ -276,6 +335,7 @@ const char * hostalias(const char *); void putlong(u_int32_t, u_char *); void putshort(u_int16_t, u_char *); const char * p_class(int); +const char * p_rcode (int); const char * p_time(u_int32_t); const char * p_type(int); void p_query(const u_char *); @@ -302,6 +362,18 @@ int res_send(const u_char *, int, u_char *, int); int res_isourserver(const struct sockaddr_in *); int res_nameinquery(const char *, int, int, const u_char *, const u_char *); +void res_npquery (const res_state, const u_char *, int, FILE *); +const char * res_hostalias (const res_state, const char *, char *, size_t); +int res_nquery (res_state, const char *, int, int, u_char *, int); +int res_nsearch (res_state, const char *, int, int, u_char *, int); +int res_nquerydomain (res_state, const char *, const char *, int, + int, u_char *, int); +int res_nmkquery (res_state, int, const char *, int, int, + const u_char *, int, const u_char *, u_char *, + int); +int res_nsend (res_state, const u_char *, int, u_char *, int); +void res_nclose (res_state); + int res_queriesmatch(const u_char *, const u_char *, const u_char *, const u_char *); void res_close(void); @@ -314,6 +386,7 @@ int res_mkupdate(ns_updrec *, u_char *, int); ns_updrec * res_mkupdrec(int, const char *, u_int, u_int, u_long); void res_freeupdrec(ns_updrec *); #endif + __END_DECLS #endif /* !_RESOLV_H_ */ |