diff options
Diffstat (limited to 'ucspi-tcp-0.88/dns_name.c')
| -rw-r--r-- | ucspi-tcp-0.88/dns_name.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/ucspi-tcp-0.88/dns_name.c b/ucspi-tcp-0.88/dns_name.c index dcb10c7..1f03186 100644 --- a/ucspi-tcp-0.88/dns_name.c +++ b/ucspi-tcp-0.88/dns_name.c @@ -2,10 +2,11 @@ #include "uint16.h" #include "byte.h" #include "dns.h" +#include "ip6.h" static char *q = 0; -int dns_name_packet(stralloc *out,char *buf,unsigned int len) +int dns_name_packet(stralloc *out,const char *buf,unsigned int len) { unsigned int pos; char header[12]; @@ -35,7 +36,7 @@ int dns_name_packet(stralloc *out,char *buf,unsigned int len) return 0; } -int dns_name4(stralloc *out,char ip[4]) +int dns_name4(stralloc *out,const char ip[4]) { char name[DNS_NAME4_DOMAIN]; @@ -46,3 +47,17 @@ int dns_name4(stralloc *out,char ip[4]) dns_domain_free(&q); return 0; } + +int dns_name6(stralloc *out,char ip[16]) +{ + char name[DNS_NAME6_DOMAIN]; + + if (ip6_isv4mapped(ip)) + return dns_name4(out,ip+12); + dns_name6_domain(name,ip); + if (dns_resolve(name,DNS_T_PTR) == -1) return -1; + if (dns_name_packet(out,dns_resolve_tx.packet,dns_resolve_tx.packetlen) == -1) return -1; + dns_transmit_free(&dns_resolve_tx); + dns_domain_free(&q); + return 0; +} |