* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#include <stdlib.h>
+#include <string.h>
+
+#include <arpa/inet.h>
+
#include "internal.h"
-static adns_status rp_inaddr(adns_state ads, adns_query qu, int serv,
+static int dip_inaddr(struct in_addr a, struct in_addr b) {
+ /* fixme implement sortlist */
+ return 0;
+}
+
+static adns_status pa_inaddr(adns_query qu, int serv,
const byte *dgram, int dglen, int cbyte, int max,
- void *store_r) {
- struct in_addr *dr= store_r;
+ void *datap) {
+ struct in_addr *storeto= datap;
if (max-cbyte != 4) return adns_s_invaliddata;
- memcpy(dr,dgram+cbyte,4);
+ memcpy(storeto,dgram+cbyte,4);
+ return adns_s_ok;
+}
+
+static int di_inaddr(const void *datap_a, const void *datap_b) {
+ const struct in_addr *ap= datap_a, *bp= datap_b;
+
+ return dip_inaddr(*ap,*bp);
+}
+
+static adns_status cs_inaddr(vbuf *vb, const void *datap) {
+ const struct in_addr *rrp= datap, rr= *rrp;
+ const char *ia;
+
+ ia= inet_ntoa(rr); assert(ia);
+ return adns__vbuf_appendstr(vb,ia) ? adns_s_ok : adns_s_nolocalmem;
+}
+
+static adns_status pa_addr(adns_query qu, int serv,
+ const byte *dgram, int dglen, int cbyte, int max,
+ void *datap) {
+ adns_addr *storeto= datap;
+
+ if (max-cbyte != 4) return adns_s_invaliddata;
+ storeto->len= sizeof(storeto->addr.inet);
+ memset(&storeto->addr,0,sizeof(storeto->addr.inet));
+ storeto->addr.inet.sin_family= AF_INET;
+ storeto->addr.inet.sin_port= 0;
+ memcpy(&storeto->addr.inet.sin_addr,dgram+cbyte,4);
+ return adns_s_ok;
+}
+
+static int di_addr(const void *datap_a, const void *datap_b) {
+ const adns_addr *ap= datap_a, *bp= datap_b;
+
+ return dip_inaddr(ap->addr.inet.sin_addr,bp->addr.inet.sin_addr);
+}
+
+static adns_status cs_addr(vbuf *vb, const void *datap) {
+ const adns_addr *rrp= datap;
+ const char *ia;
+ static char buf[30];
+
+ switch (rrp->addr.inet.sin_family) {
+ case AF_INET:
+ if (!adns__vbuf_appendstr(vb,"AF_INET ")) return adns_s_nolocalmem;
+ ia= inet_ntoa(rrp->addr.inet.sin_addr); assert(ia);
+ if (!adns__vbuf_appendstr(vb,ia)) return adns_s_nolocalmem;
+ break;
+ default:
+ sprintf(buf,"AF=%u",rrp->addr.sa.sa_family);
+ if (!adns__vbuf_appendstr(vb,buf)) return adns_s_nolocalmem;
+ break;
+ }
+ return adns_s_ok;
+}
+
+static adns_status pap_domain(adns_query qu, int serv, parsedomain_flags flags,
+ const byte *dgram, int dglen, int *cbyte_io, int max,
+ char **domain_r) {
+ adns_status st;
+ char *dm;
+
+ st= adns__parse_domain(qu->ads,serv,qu,&qu->vb,flags, dgram,dglen, cbyte_io,max);
+ if (st) return st;
+ if (!qu->vb.used) return adns_s_invaliddata;
+
+ dm= adns__alloc_interim(qu,qu->vb.used+1);
+ if (!dm) return adns_s_nolocalmem;
+
+ dm[qu->vb.used]= 0;
+ memcpy(dm,qu->vb.buf,qu->vb.used);
+
+ *domain_r= dm;
+ return adns_s_ok;
+}
+
+static adns_status pa_host_raw(adns_query qu, int serv,
+ const byte *dgram, int dglen, int cbyte, int max,
+ void *datap) {
+ char **rrp= datap;
+ adns_status st;
+
+ st= pap_domain(qu,serv,
+ qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0,
+ dgram,dglen,&cbyte,max,rrp);
+ if (st) return st;
+
+ if (cbyte != max) return adns_s_invaliddata;
+ return adns_s_ok;
+}
+
+static adns_status pa_mx_raw(adns_query qu, int serv,
+ const byte *dgram, int dglen, int cbyte, int max,
+ void *datap) {
+ adns_rr_intstr *rrp= datap;
+ adns_status st;
+ int pref;
+
+ if (cbyte+2 > max) return adns_s_invaliddata;
+ GET_W(cbyte,pref);
+ rrp->i= pref;
+ st= pap_domain(qu,serv,
+ qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0,
+ dgram,dglen,&cbyte,max,&rrp->str);
+ if (st) return st;
+
+ if (cbyte != max) return adns_s_invaliddata;
+ return adns_s_ok;
+}
+
+static int di_mx_raw(const void *datap_a, const void *datap_b) {
+ const adns_rr_intstr *ap= datap_a, *bp= datap_b;
+
+ if (ap->i < bp->i) return 0;
+ if (ap->i > bp->i) return 1;
+ return 0;
+}
+
+static adns_status pa_txt(adns_query qu, int serv,
+ const byte *dgram, int dglen, int startbyte, int max,
+ void *datap) {
+ adns_rr_intstr **rrp= datap, *table, *te;
+ int ti, tc, cbyte, l;
+
+ cbyte= startbyte;
+ if (cbyte >= max) return adns_s_invaliddata;
+ tc= 0;
+ while (cbyte < max) {
+ GET_B(cbyte,l);
+ cbyte+= l;
+ }
+ if (cbyte != max) return adns_s_invaliddata;
+
+ table= adns__alloc_interim(qu,sizeof(*table)*(tc+1));
+ if (!table) return adns_s_nolocalmem;
+
+ for (cbyte=startbyte, ti=0, te=table; ti<tc; ti++, te++) {
+ GET_B(cbyte,l);
+ te->str= adns__alloc_interim(qu,l+1);
+ if (!te->str) return adns_s_nolocalmem;
+ te->str[l]= 0;
+ memcpy(te->str,dgram+cbyte,l);
+ te->i= l;
+ }
+ assert(cbyte == max);
+
+ te->i= -1;
+ te->str= 0;
+
+ *rrp= table;
return adns_s_ok;
}
-static adns_status rmf_null(adns_state ads, adns_query qu, void *data) { }
+static int csp_textdata(vbuf *vb, const char *dp, int len) {
+ unsigned char ch;
+ char buf[10];
+ int cn;
+
+ if (!adns__vbuf_append(vb,"\"",1)) return 0;
-#define TYPE_SF(size,func,free) size, rp_#func, rmf_#free
-#define TYPE_SN(size,func) size, rp_#func, rmf_null
-#define TYPESZ_M(member) (sizeof(((adns_answer*)0)->rrs.member))
-#define TYPE_MF(member,parse) TYPE_SF(TYPESZ_M(member),parse,member)
-#define TYPE_MN(member,parse) TYPE_SN(TYPESZ_M(member),parse)
+ for (cn=0; cn<len; cn++) {
+ ch= *dp++;
+ if (ch >= 32 && ch <= 126 && ch != '"' && ch != '\\') {
+ if (!adns__vbuf_append(vb,&ch,1)) return 0;
+ } else {
+ sprintf(buf,"\\%02x",ch);
+ if (!adns__vbuf_appendstr(vb,buf)) return 0;
+ }
+ }
+
+ if (!adns__vbuf_append(vb,"\"",1)) return 0;
+ return 1;
+}
+
+static int csp_qstring(vbuf *vb, const char *dp) {
+ return csp_textdata(vb, dp, strlen(dp));
+}
+
+static adns_status cs_str(vbuf *vb, const void *datap) {
+ const char *const *rrp= datap;
+
+ return csp_qstring(vb,*rrp) ? adns_s_ok : adns_s_nolocalmem;
+}
+
+static adns_status cs_intstr(vbuf *vb, const void *datap) {
+ const adns_rr_intstr *rrp= datap;
+ char buf[10];
+
+ sprintf(buf,"%u ",rrp->i);
+ return (adns__vbuf_appendstr(vb,buf) &&
+ csp_qstring(vb,rrp->str)) ? adns_s_ok : adns_s_nolocalmem;
+}
+
+static adns_status cs_manyistr(vbuf *vb, const void *datap) {
+ const adns_rr_intstr *const *rrp= datap;
+ const adns_rr_intstr *current;
+ int spc;
+
+ for (spc=0, current= *rrp; current->i >= 0; current++) {
+ if (spc)
+ if (!adns__vbuf_append(vb," ",1)) goto x_nomem;
+ if (!csp_textdata(vb,current->str,current->i)) goto x_nomem;
+ }
+ return adns_s_ok;
+
+ x_nomem:
+ return adns_s_nolocalmem;
+}
+
+static void mf_str(adns_query qu, void *datap) {
+ char **rrp= datap;
+
+ adns__makefinal_str(qu,rrp);
+}
+
+static void mf_intstr(adns_query qu, void *datap) {
+ adns_rr_intstr *rrp= datap;
+
+ adns__makefinal_str(qu,&rrp->str);
+}
+
+static void mf_manyistr(adns_query qu, void *datap) {
+ adns_rr_intstr **rrp= datap;
+ adns_rr_intstr *te, *table;
+ void *tablev;
+ int tc;
+
+ for (tc=0, te= *rrp; te->i >= 0; te++, tc++);
+ tablev= *rrp;
+ adns__makefinal_block(qu,&tablev,sizeof(*te)*(tc+1));
+ *rrp= table= tablev;
+ for (te= *rrp; te->i >= 0; te++)
+ adns__makefinal_str(qu,&te->str);
+}
+
+static void mf_flat(adns_query qu, void *data) { }
+
+#define TYPE_SF(size,func,cp,free) size, pa_##func, mf_##free, cs_##cp
+#define TYPE_SN(size,func,cp) size, pa_##func, mf_flat, cs_##cp
+#define TYPESZ_M(member) (sizeof(*((adns_answer*)0)->rrs.member))
+#define TYPE_MF(memb,parse) TYPE_SF(TYPESZ_M(memb),parse,memb,memb)
+#define TYPE_MN(memb,parse) TYPE_SN(TYPESZ_M(memb),parse,memb)
+
+#define DEEP_MEMB(memb) TYPESZ_M(memb), mf_##memb, cs_##memb
+#define FLAT_MEMB(memb) TYPESZ_M(memb), mf_flat, cs_##memb
/* TYPE_<ms><nf>
* ms is M specify member name
static const typeinfo typeinfos[] = {
/* Must be in ascending order of rrtype ! */
- /* rr type code name style member size parser */
+ /* rr type code rrt fmt mem.mgmt member parser comparer */
- { adns_r_a, "A", TYPE_MN( inaddr, inaddr ) },
-#if 0 /*fixme*/
- { adns_r_ns_raw, "NS(raw)", TYPE_MF( str, domain_raw ) },
- { adns_r_cname, "CNAME", TYPE_MF( str, domain_raw ) },
- { adns_r_soa_raw, "SOA(raw)", TYPE_MF( soa, soa ) },
- { adns_r_null, "NULL", TYPE_SN( 0, null ) },
- { adns_r_ptr_raw, "PTR(raw)", TYPE_MF( str, domain_raw ) },
- { adns_r_hinfo, "HINFO", TYPE_MF( strpair, hinfo ) },
- { adns_r_mx_raw, "MX(raw)", TYPE_MF( intstr, mx_raw ) },
- { adns_r_txt, "TXT", TYPE_MF( str, txt ) },
- { adns_r_rp_raw, "RP(raw)", TYPE_MF( strpair, rp ) },
-
- { adns_r_ns, "NS(+addr)", TYPE_MF( dmaddr, dmaddr ) },
- { adns_r_ptr, "PTR(checked)", TYPE_MF( str, ptr ) },
- { adns_r_mx, "MX(+addr)", TYPE_MF( intdmaddr, mx ) },
-
- { adns_r_soa, "SOA(822)", TYPE_MF( soa, soa ) },
- { adns_r_rp, "RP(822)", TYPE_MF( strpair, rp ) },
+ { adns_r_a, "A", 0, FLAT_MEMB(inaddr), pa_inaddr, di_inaddr },
+ { adns_r_ns_raw, "NS", "raw", DEEP_MEMB(str), pa_host_raw, 0 },
+ { adns_r_cname, "CNAME", 0, DEEP_MEMB(str), pa_host_raw, 0 },
+#if 0 /*fixme*/
+ { adns_r_soa_raw, "SOA", "raw", DEEP_MEMB(soa), pa_soa, 0 },
+#endif
+ { adns_r_ptr_raw, "PTR", "raw", DEEP_MEMB(str), pa_host_raw, 0 },
+#if 0 /*fixme*/
+ { adns_r_hinfo, "HINFO", 0, DEEP_MEMB(strpair), pa_hinfo, 0 },
+#endif
+ { adns_r_mx_raw, "MX", "raw", DEEP_MEMB(intstr), pa_mx_raw, di_mx_raw },
+ { adns_r_txt, "TXT", 0, DEEP_MEMB(manyistr), pa_txt, 0 },
+#if 0 /*fixme*/
+ { adns_r_rp_raw, "RP", "raw", DEEP_MEMB(strpair), pa_rp, 0 },
+#endif
+
+ { adns_r_addr, "A", "addr", FLAT_MEMB(addr), pa_addr, di_addr },
+#if 0 /*fixme*/
+ { adns_r_ns, "NS", "+addr", DEEP_MEMB(dmaddr), pa_dmaddr, di_dmaddr },
+ { adns_r_ptr, "PTR","checked", DEEP_MEMB(str), pa_ptr, 0 },
+ { adns_r_mx, "MX", "+addr", DEEP_MEMB(intdmaddr), pa_mx, di_mx },
+
+#endif
+#if 0 /*fixme*/
+ { adns_r_soa, "SOA", "822", DEEP_MEMB(soa), pa_soa, 0 },
+ { adns_r_rp, "RP", "822", DEEP_MEMB(strpair), pa_rp, 0 },
#endif
};
-const typeinfo adns__findtype(adns_rrtype type) {
- const typeinfo *begin, *end;
+const typeinfo *adns__findtype(adns_rrtype type) {
+ const typeinfo *begin, *end, *mid;
begin= typeinfos; end= typeinfos+(sizeof(typeinfos)/sizeof(typeinfo));
~ianmdlvl / adns.git / blobdiff