X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git;a=blobdiff_plain;f=src%2Ftransmit.c;h=7afb90f2bd6777dceb6bcce1642fa94be60079dd;hp=3b148227ef48f87a6cc57c3fbe28155fb6fe0aa9;hb=382b81f736a471aafd75661b08e795ffc7521f92;hpb=609133ee3365572c56ffa2ffb14d274ff47eb94b diff --git a/src/transmit.c b/src/transmit.c index 3b14822..7afb90f 100644 --- a/src/transmit.c +++ b/src/transmit.c @@ -4,12 +4,11 @@ * - send queries */ /* - * This file is - * Copyright (C) 1997-2000 Ian Jackson - * - * It is part of adns, which is - * Copyright (C) 1997-2000 Ian Jackson - * Copyright (C) 1999-2000 Tony Finch + * This file is part of adns, which is + * Copyright (C) 1997-2000,2003,2006 Ian Jackson + * Copyright (C) 1999-2000,2003,2006 Tony Finch + * Copyright (C) 1991 Massachusetts Institute of Technology + * (See the file INSTALL for full details.) * * 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 @@ -67,7 +66,7 @@ static adns_status mkquery_footer(vbuf *vb, adns_rrtype type) { byte *rqp; MKQUERY_START(vb); - MKQUERY_ADDW(type & adns__rrt_typemask); /* QTYPE */ + MKQUERY_ADDW(type & adns_rrt_typemask); /* QTYPE */ MKQUERY_ADDW(DNS_CLASS_IN); /* QCLASS=IN */ MKQUERY_STOP(vb); assert(vb->used <= vb->avail); @@ -75,11 +74,57 @@ static adns_status mkquery_footer(vbuf *vb, adns_rrtype type) { return adns_s_ok; } +adns_status adns__qdpl_normal(adns_state ads, + const char **p_io, const char *pe, int labelnum, + char label_r[], int *ll_io, + adns_queryflags flags, + const typeinfo *typei) { + int ll, c; + const char *p; + + ll= 0; + p= *p_io; + + while (p!=pe && (c= *p++)!='.') { + if (c=='\\') { + if (!(flags & adns_qf_quoteok_query)) return adns_s_querydomaininvalid; + if (ctype_digit(p[0])) { + if (p+1==pe || p+2==pe) return adns_s_querydomaininvalid; + if (ctype_digit(p[1]) && ctype_digit(p[2])) { + c= (*p++ - '0')*100; + c += (*p++ - '0')*10; + c += (*p++ - '0'); + if (c >= 256) return adns_s_querydomaininvalid; + } else { + return adns_s_querydomaininvalid; + } + } else if (!(c= *p++)) { + return adns_s_querydomaininvalid; + } + } + if (!(flags & adns_qf_quoteok_query)) { + if (c == '-') { + if (!ll) return adns_s_querydomaininvalid; + } else if (!ctype_alpha(c) && !ctype_digit(c)) { + return adns_s_querydomaininvalid; + } + } + if (ll == *ll_io) return adns_s_querydomaininvalid; + label_r[ll++]= c; + } + + *p_io= p; + *ll_io= ll; + return adns_s_ok; +} + adns_status adns__mkquery(adns_state ads, vbuf *vb, int *id_r, const char *owner, int ol, - const typeinfo *typei, adns_queryflags flags) { - int ll, c, nbytes; - byte label[255], *rqp; + const typeinfo *typei, adns_rrtype type, + adns_queryflags flags) { + int labelnum, ll, nbytes; + byte label[255]; + byte *rqp; const char *p, *pe; adns_status st; @@ -89,32 +134,11 @@ adns_status adns__mkquery(adns_state ads, vbuf *vb, int *id_r, p= owner; pe= owner+ol; nbytes= 0; + labelnum= 0; while (p!=pe) { - ll= 0; - while (p!=pe && (c= *p++)!='.') { - if (c=='\\') { - if (!(flags & adns_qf_quoteok_query)) return adns_s_querydomaininvalid; - if (ctype_digit(p[0])) { - if (ctype_digit(p[1]) && ctype_digit(p[2])) { - c= (*p++ - '0')*100 + (*p++ - '0')*10 + (*p++ - '0'); - if (c >= 256) return adns_s_querydomaininvalid; - } else { - return adns_s_querydomaininvalid; - } - } else if (!(c= *p++)) { - return adns_s_querydomaininvalid; - } - } - if (!(flags & adns_qf_quoteok_query)) { - if (c == '-') { - if (!ll) return adns_s_querydomaininvalid; - } else if (!ctype_alpha(c) && !ctype_digit(c)) { - return adns_s_querydomaininvalid; - } - } - if (ll == sizeof(label)) return adns_s_querydomaininvalid; - label[ll++]= c; - } + ll= sizeof(label); + st= typei->qdparselabel(ads, &p,pe, labelnum++, label, &ll, flags, typei); + if (st) return st; if (!ll) return adns_s_querydomaininvalid; if (ll > DNS_MAXLABEL) return adns_s_querydomaintoolong; nbytes+= ll+1; @@ -126,7 +150,7 @@ adns_status adns__mkquery(adns_state ads, vbuf *vb, int *id_r, MKQUERY_STOP(vb); - st= mkquery_footer(vb,typei->type); + st= mkquery_footer(vb,type); return adns_s_ok; }