X-Git-Url: https://git.distorted.org.uk/~mdw/adns/blobdiff_plain/6109379210b821fe451fc7690798f638ea12dc70..2c7b101bee6ae4f7cee1417ff769603eaa161ddf:/src/types.c diff --git a/src/types.c b/src/types.c index 2803d11..deac6c4 100644 --- a/src/types.c +++ b/src/types.c @@ -3,7 +3,7 @@ * - 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 file is part of adns, which is Copyright (C) 1997-1999 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 @@ -27,7 +27,7 @@ #include "internal.h" -#define R_NOMEM return adns_s_nolocalmem +#define R_NOMEM return adns_s_nomemory #define CSP_ADDSTR(s) if (!adns__vbuf_appendstr(vb,(s))) R_NOMEM; else; /* @@ -245,15 +245,30 @@ static adns_status pa_inaddr(const parseinfo *pai, int cbyte, int max, void *dat return adns_s_ok; } -static int dip_inaddr(struct in_addr a, struct in_addr b) { - /* fixme implement sortlist */ - return 0; +static int search_sortlist(adns_state ads, struct in_addr ad) { + const struct sortlist *slp; + int i; + + for (i=0, slp=ads->sortlist; + insortlist && !((ad.s_addr & slp->mask.s_addr) == slp->base.s_addr); + i++, slp++); + return i; +} + +static int dip_inaddr(adns_state ads, struct in_addr a, struct in_addr b) { + int ai, bi; + + if (!ads->nsortlist) return 0; + + ai= search_sortlist(ads,a); + bi= search_sortlist(ads,b); + return biaddr.sa.sa_family == AF_INET); - return dip_inaddr(ap->addr.inet.sin_addr,bp->addr.inet.sin_addr); + return dip_inaddr(ads, ap->addr.inet.sin_addr, bp->addr.inet.sin_addr); } +static int div_addr(void *context, const void *datap_a, const void *datap_b) { + const adns_state ads= context; + + return di_addr(ads, datap_a, datap_b); +} + static adns_status csp_addr(vbuf *vb, const adns_rr_addr *rrp) { const char *ia; static char buf[30]; @@ -360,11 +381,12 @@ static adns_status pap_findaddrs(const parseinfo *pai, adns_rr_hostaddr *ha, int *cbyte_io, int count, int dmstart) { int rri, naddrs; int type, class, rdlen, rdstart, ownermatched; + unsigned long ttl; adns_status st; for (rri=0, naddrs=-1; rriqu, pai->serv, pai->dgram, pai->dglen, cbyte_io, - &type, &class, &rdlen, &rdstart, + &type, &class, &ttl, &rdlen, &rdstart, pai->dgram, pai->dglen, dmstart, &ownermatched); if (st) return st; if (!ownermatched || class != DNS_CLASS_IN || type != adns_r_a) { @@ -374,6 +396,7 @@ static adns_status pap_findaddrs(const parseinfo *pai, adns_rr_hostaddr *ha, naddrs= 0; } if (!adns__vbuf_ensure(&pai->qu->vb, (naddrs+1)*sizeof(adns_rr_addr))) R_NOMEM; + adns__update_expires(pai->qu,ttl,pai->now); st= pa_addr(pai, rdstart,rdstart+rdlen, pai->qu->vb.buf + naddrs*sizeof(adns_rr_addr)); if (st) return st; @@ -386,7 +409,8 @@ static adns_status pap_findaddrs(const parseinfo *pai, adns_rr_hostaddr *ha, ha->naddrs= naddrs; ha->astatus= adns_s_ok; - adns__isort(ha->addrs, naddrs, sizeof(adns_rr_addr), pai->qu->vb.buf, di_addr); + adns__isort(ha->addrs, naddrs, sizeof(adns_rr_addr), pai->qu->vb.buf, + div_addr, pai->ads); } return adns_s_ok; } @@ -410,6 +434,7 @@ static adns_status pap_hostaddr(const parseinfo *pai, int *cbyte_io, qcontext ctx; int id; adns_query nqu; + adns_queryflags nflags; dmstart= cbyte= *cbyte_io; st= pap_domain(pai, &cbyte, max, &rrp->host, @@ -439,9 +464,12 @@ static adns_status pap_hostaddr(const parseinfo *pai, int *cbyte_io, ctx.ext= 0; ctx.callback= icb_hostaddr; ctx.info.hostaddr= rrp; + + nflags= adns_qf_quoteok_query; + if (!(pai->qu->flags & adns_qf_cname_loose)) nflags |= adns_qf_cname_forbid; + st= adns__internal_submit(pai->ads, &nqu, adns__findtype(adns_r_addr), - &pai->qu->vb, id, - adns_qf_quoteok_query, pai->now, 0, &ctx); + &pai->qu->vb, id, nflags, pai->now, 0, &ctx); if (st) return st; nqu->parent= pai->qu; @@ -461,19 +489,21 @@ static adns_status pa_hostaddr(const parseinfo *pai, int cbyte, int max, void *d return adns_s_ok; } -static int dip_hostaddr(const adns_rr_hostaddr *ap, const adns_rr_hostaddr *bp) { +static int dip_hostaddr(adns_state ads, const adns_rr_hostaddr *ap, const adns_rr_hostaddr *bp) { if (ap->astatus != bp->astatus) return ap->astatus; if (ap->astatus) return 0; assert(ap->addrs[0].addr.sa.sa_family == AF_INET); assert(bp->addrs[0].addr.sa.sa_family == AF_INET); - return dip_inaddr(ap->addrs[0].addr.inet.sin_addr, bp->addrs[0].addr.inet.sin_addr); + return dip_inaddr(ads, + ap->addrs[0].addr.inet.sin_addr, + bp->addrs[0].addr.inet.sin_addr); } -static int di_hostaddr(const void *datap_a, const void *datap_b) { +static int di_hostaddr(adns_state ads, const void *datap_a, const void *datap_b) { const adns_rr_hostaddr *ap= datap_a, *bp= datap_b; - return dip_hostaddr(ap,bp); + return dip_hostaddr(ads, ap,bp); } static void mfp_hostaddr(adns_query qu, adns_rr_hostaddr *rrp) { @@ -538,7 +568,7 @@ static adns_status pa_mx_raw(const parseinfo *pai, int cbyte, int max, void *dat return adns_s_ok; } -static int di_mx_raw(const void *datap_a, const void *datap_b) { +static int di_mx_raw(adns_state ads, 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; @@ -566,12 +596,12 @@ static adns_status pa_mx(const parseinfo *pai, int cbyte, int max, void *datap) return adns_s_ok; } -static int di_mx(const void *datap_a, const void *datap_b) { +static int di_mx(adns_state ads, const void *datap_a, const void *datap_b) { const adns_rr_inthostaddr *ap= datap_a, *bp= datap_b; if (ap->i < bp->i) return 0; if (ap->i > bp->i) return 1; - return dip_hostaddr(&ap->ha,&bp->ha); + return dip_hostaddr(ads, &ap->ha, &bp->ha); } /* @@ -650,20 +680,20 @@ static adns_status pa_ptr(const parseinfo *pai, int dmstart, int max, void *data pai->qu->query_dglen, DNS_HDRSIZE, 0); for (i=0; i<4; i++) { st= adns__findlabel_next(&fls,&lablen,&labstart); assert(!st); - if (lablen<=0 || lablen>3) return adns_s_invalidquerydomain; + if (lablen<=0 || lablen>3) return adns_s_querydomainwrong; memcpy(labbuf, pai->qu->query_dgram + labstart, lablen); labbuf[lablen]= 0; - ipv[3-i]= strtoul(labbuf,&ep,10); if (*ep) return adns_s_invalidquerydomain; + ipv[3-i]= strtoul(labbuf,&ep,10); if (*ep) return adns_s_querydomainwrong; if (lablen>1 && pai->qu->query_dgram[labstart]=='0') - return adns_s_invalidquerydomain; + return adns_s_querydomainwrong; } for (i=0; iqu->query_dgram + labstart, expectdomain[i], l)) - return adns_s_invalidquerydomain; + return adns_s_querydomainwrong; } st= adns__findlabel_next(&fls,&lablen,0); assert(!st); - if (lablen) return adns_s_invalidquerydomain; + if (lablen) return adns_s_querydomainwrong; ap->len= sizeof(struct sockaddr_in); memset(&ap->addr,0,sizeof(ap->addr.inet));