-/**/
+/*
+ * types.c
+ * - RR-type-specific code, and the machinery to call it
+ */
+/*
+ * This file is part of adns, which is Copyright (C) 1997, 1998 Ian Jackson
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <stdlib.h>
+
+#include <arpa/inet.h>
#include "internal.h"
-static adns_status rp_inaddr(adns_state ads, adns_query qu, int serv,
+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;
return adns_s_ok;
}
-static adns_status rmf_null(adns_state ads, adns_query qu, void *data) { }
+static adns_status cs_inaddr(vbuf *vb, const void *data) {
+ const struct in_addr *dp= data;
+ const char *ia;
+
+ ia= inet_ntoa(*dp); assert(ia);
+ return adns__vbuf_appendstr(vb,ia) ? adns_s_ok : adns_s_nolocalmem;
+}
+
+static adns_status pa_domain_raw(adns_query qu, int serv,
+ const byte *dgram, int dglen, int cbyte, int max,
+ void *store_r) {
+ char **dpp= store_r;
+ adns_status st;
+ vbuf vb;
+ char *dp;
+
+ adns__vbuf_init(&vb);
+ st= adns__parse_domain(qu->ads,serv,qu,&vb,qu->flags,
+ dgram,dglen, &cbyte,max);
+ if (st) goto x_error;
+
+ dp= adns__alloc_interim(qu,vb.used+1);
+ if (!dp) { st= adns_s_nolocalmem; goto x_error; }
+
+ dp[vb.used]= 0;
+ memcpy(dp,vb.buf,vb.used);
-#define TYPE_SF(size,func,free) size, rp_#func, rmf_#free
-#define TYPE_SN(size,func) size, rp_#func, rmf_null
+ if (cbyte != max) { st= adns_s_invaliddata; goto x_error; }
+
+ st= adns_s_ok;
+ *dpp= dp;
+
+ x_error:
+ adns__vbuf_free(&vb);
+ return st;
+}
+
+static adns_status pa_txt(adns_query qu, int serv,
+ const byte *dgram, int dglen, int cbyte, int max,
+ void *store_r) {
+ vbuf vb;
+
+ adns__vbuf_init(&vb);
+
+ while (dg
+ char *bp;
+
+ max-= cbyte;
+ dgram+= cbyte;
+
+ bp= adns__alloc_interim(qu,max+1); if (!bp) return adns_s_nolocalmem;
+ bp[max]= 0;
+ memcpy(bp,dgram,max);
+ *(char**)store_r= bp;
+ return adns_s_ok;
+}
+
+static void mf_str(adns_query qu, void *data) {
+ char **ddp= data;
+
+ adns__makefinal_str(qu,ddp);
+}
+
+static int csp_qstring(vbuf *vb, const char *dp) {
+ unsigned char ch;
+ char buf[10];
+
+ if (!adns__vbuf_append(vb,"\"",1)) return 0;
+
+ while ((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 adns_status cs_str(vbuf *vb, const void *data) {
+ const char *const *dpp= data;
+
+ return csp_qstring(vb,*dpp) ? adns_s_ok : adns_s_nolocalmem;
+}
+
+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(member,parse) TYPE_SF(TYPESZ_M(member),parse,member)
-#define TYPE_MN(member,parse) TYPE_SN(TYPESZ_M(member),parse)
+#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 */
- { 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 },
+ { adns_r_ns_raw, "NS", "raw", DEEP_MEMB(str), pa_domain_raw },
+ { adns_r_cname, "CNAME", 0, DEEP_MEMB(str), pa_domain_raw },
+#if 0 /*fixme*/
+ { adns_r_soa_raw, "SOA", "raw", DEEP_MEMB(soa), pa_soa },
+#endif
+ { adns_r_ptr_raw, "PTR", "raw", DEEP_MEMB(str), pa_domain_raw },
+#if 0 /*fixme*/
+ { adns_r_hinfo, "HINFO", 0, DEEP_MEMB(strpair), pa_hinfo },
+ { adns_r_mx_raw, "MX", "raw", DEEP_MEMB(intstr), pa_mx_raw },
+#endif
+ { adns_r_txt, "TXT", 0, DEEP_MEMB(str), pa_txt },
+#if 0 /*fixme*/
+ { adns_r_rp_raw, "RP", "raw", DEEP_MEMB(strpair), pa_rp },
+
+ { adns_r_ns, "NS", "+addr", DEEP_MEMB(dmaddr), pa_dmaddr },
+ { adns_r_ptr, "PTR", "checked", DEEP_MEMB(str), pa_ptr },
+ { adns_r_mx, "MX", "+addr", DEEP_MEMB(intdmaddr), pa_mx },
+
+ { adns_r_soa, "SOA", "822", DEEP_MEMB(soa), pa_soa },
+ { adns_r_rp, "RP", "822", DEEP_MEMB(strpair), pa_rp },
#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));