X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Ftypes.c;h=c1d613af64008762732eae80fa938e980ec3ded3;hb=0f091044f8998faba2becd0f8c3ad9d5bc5976fb;hp=2803d11e8690dc445da683a9a5718565d0c7275b;hpb=9ec44266206364a6a72aa5cdf849727ee0b80698;p=adns.git

diff --git a/src/types.c b/src/types.c
index 2803d11..c1d613a 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
@@ -23,11 +23,14 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
 #include <arpa/inet.h>
 
 #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 +248,30 @@ 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;
+       i<ads->nsortlist && !((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 bi<ai;
 }
 
-static int di_inaddr(const void *datap_a, const void *datap_b) {
+static int di_inaddr(adns_state ads, const void *datap_a, const void *datap_b) {
   const struct in_addr *ap= datap_a, *bp= datap_b;
 
-  return dip_inaddr(*ap,*bp);
+  return dip_inaddr(ads,*ap,*bp);
 }
 
 static adns_status cs_inaddr(vbuf *vb, const void *datap) {
@@ -281,13 +299,19 @@ static adns_status pa_addr(const parseinfo *pai, int cbyte, int max, void *datap
   return adns_s_ok;
 }
 
-static int di_addr(const void *datap_a, const void *datap_b) {
+static int di_addr(adns_state ads, const void *datap_a, const void *datap_b) {
   const adns_rr_addr *ap= datap_a, *bp= datap_b;
 
   assert(ap->addr.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 +384,12 @@ 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; rri<count; rri++) {
     st= adns__findrr_anychk(pai->qu, 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 +399,7 @@ 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 +412,8 @@ 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 +437,7 @@ 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 +467,12 @@ 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, &ctx);
   if (st) return st;
 
   nqu->parent= pai->qu;
@@ -461,19 +492,21 @@ 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 +571,7 @@ 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 +599,12 @@ 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 +683,20 @@ 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; i<sizeof(expectdomain)/sizeof(*expectdomain); i++) {
       st= adns__findlabel_next(&fls,&lablen,&labstart); assert(!st);
       l= strlen(expectdomain[i]);
       if (lablen != l || memcmp(pai->qu->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));
@@ -682,7 +715,7 @@ static adns_status pa_ptr(const parseinfo *pai, int dmstart, int max, void *data
   memset(&ctx.info,0,sizeof(ctx.info));
   st= adns__internal_submit(pai->ads, &nqu, adns__findtype(adns_r_addr),
 			    &pai->qu->vb, id,
-			    adns_qf_quoteok_query, pai->now, 0, &ctx);
+			    adns_qf_quoteok_query, pai->now, &ctx);
   if (st) return st;
 
   nqu->parent= pai->qu;
@@ -760,8 +793,58 @@ static adns_status pa_hinfo(const parseinfo *pai, int cbyte, int max, void *data
 
 static adns_status pap_mailbox(const parseinfo *pai, int *cbyte_io, int max,
 			       char **mb_r) {
-  return pap_domain(pai, cbyte_io, max, mb_r, pdf_quoteok);
-  /* fixme: mailbox quoting */
+  int lablen, labstart, i, needquote, c, r, neednorm;
+  const unsigned char *p;
+  char *str;
+  findlabel_state fls;
+  adns_status st;
+  vbuf *vb;
+
+  vb= &pai->qu->vb;
+  vb->used= 0;
+  adns__findlabel_start(&fls, pai->ads,
+			-1, pai->qu,
+			pai->dgram, pai->dglen, max,
+			*cbyte_io, cbyte_io);
+  st= adns__findlabel_next(&fls,&lablen,&labstart);
+  if (!lablen) {
+    adns__vbuf_appendstr(vb,"<>");
+    goto x_ok;
+  }
+
+  neednorm= 1;
+  for (i=0, needquote=0, p= pai->dgram+labstart; i<lablen; i++) {
+    c= *p++;
+    if ((c&~128) < 32 || (c&~128) == 127) return adns_s_invaliddata;
+    if (c == '.' && !neednorm) neednorm= 1;
+    else if (strchr("()<>@,;:\\\".[]",c)) needquote++;
+    else neednorm= 0;
+  }
+
+  if (needquote || neednorm) {
+    r= adns__vbuf_ensure(vb, lablen+needquote+4); if (!r) R_NOMEM;
+    adns__vbuf_appendq(vb,"\"",1);
+    for (i=0, needquote=0, p= pai->dgram+labstart; i<lablen; i++, p++) {
+      c= *p;
+      if (strchr("()<>@,;:\\\".[]",c)) adns__vbuf_appendq(vb,"\\",1);
+      adns__vbuf_appendq(vb,p,1);
+    }
+    adns__vbuf_appendq(vb,"\"",1);
+  } else {
+    r= adns__vbuf_append(vb, pai->dgram+labstart, lablen); if (!r) R_NOMEM;
+  }
+
+  r= adns__vbuf_appendstr(vb,"@"); if (!r) R_NOMEM;
+
+  st= adns__parse_domain_more(&fls,pai->ads, pai->qu,vb,0, pai->dgram);
+  if (st) return st;
+
+ x_ok:
+  str= adns__alloc_interim(pai->qu, vb->used+1); if (!str) R_NOMEM;
+  memcpy(str,vb->buf,vb->used);
+  str[vb->used]= 0;
+  *mb_r= str;
+  return adns_s_ok;
 }
 
 /*