diff options
Diffstat (limited to 'libc/inet/resolv.c')
| -rw-r--r-- | libc/inet/resolv.c | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c index 034bb80db..e5558fbde 100644 --- a/libc/inet/resolv.c +++ b/libc/inet/resolv.c @@ -50,7 +50,6 @@ #include <arpa/inet.h> #include <stdlib.h> #include <unistd.h> -#include <cfgfile.h> #include <resolv.h> #include <netdb.h> #include <ctype.h> @@ -72,6 +71,31 @@ #endif /* DEBUG */ +struct resolv_header { + int id; + int qr,opcode,aa,tc,rd,ra,rcode; + int qdcount; + int ancount; + int nscount; + int arcount; +}; + +struct resolv_question { + char * dotted; + int qtype; + int qclass; +}; + +struct resolv_answer { + char * dotted; + int atype; + int aclass; + int ttl; + int rdlength; + unsigned char * rdata; + int rdoffset; +}; + extern int nameservers; extern char * nameserver[MAX_SERVERS]; extern int searchdomains; @@ -86,6 +110,22 @@ extern int resolve_mailbox(const char * address, int nscount, extern int dns_lookup(const char * name, int type, int nscount, char ** nsip, unsigned char ** outpacket, struct resolv_answer * a); +int encode_dotted(const char * dotted, unsigned char * dest, int maxlen); +int decode_dotted(const unsigned char * message, int offset, + char * dest, int maxlen); +int length_dotted(const unsigned char * message, int offset); +int encode_header(struct resolv_header * h, unsigned char * dest, int maxlen); +int decode_header(unsigned char * data, struct resolv_header * h); +int encode_question(struct resolv_question * q, + unsigned char * dest, int maxlen); +int decode_question(unsigned char * message, int offset, + struct resolv_question * q); +int encode_answer(struct resolv_answer * a, + unsigned char * dest, int maxlen); +int decode_answer(unsigned char * message, int offset, + struct resolv_answer * a); +int length_question(unsigned char * message, int offset); +extern int open_nameservers(void); #ifdef L_encodeh @@ -1141,8 +1181,7 @@ int res_query(const char *dname, int class, int type, #ifdef L_gethostbyaddr - -struct hostent *gethostbyaddr(const char *addr, int len, int type) +struct hostent *gethostbyaddr (const void *addr, __socklen_t len, int type) { static struct hostent h; static char namebuf[256]; |