const char *word;
char tbuf[200], *slash, *ep;
const char *maskwhat;
- struct in_addr base, mask;
+ struct sortlist *sl;
int l;
- unsigned long initial, baselocal;
+ const afinfo *ai;
+ int initial = -1;
if (!buf) return;
memcpy(tbuf,word,l); tbuf[l]= 0;
slash= strchr(tbuf,'/');
if (slash) *slash++= 0;
+
+ sl= &ads->sortlist[ads->nsortlist];
+
+ if (strchr(tbuf, ':'))
+ ai= &adns__inet6_afinfo;
+ else
+ ai= &adns__inet_afinfo;
- if (!inet_aton(tbuf,&base)) {
+ if (!inet_pton(ai->af, tbuf, &sl->base)) {
configparseerr(ads,fn,lno,"invalid address `%s' in sortlist",tbuf);
continue;
}
if (slash) {
- if (strchr(slash,'.')) {
+ if (strchr(slash,ai->delim)) {
maskwhat = "mask";
- if (!inet_aton(slash,&mask)) {
+ if (!inet_pton(ai->af,slash,&sl->mask)) {
configparseerr(ads,fn,lno,"invalid mask `%s' in sortlist",slash);
continue;
}
} else {
maskwhat = "prefix length";
initial= strtoul(slash,&ep,10);
- if (*ep || initial>32) {
+ if (*ep || initial>ai->width) {
configparseerr(ads,fn,lno,"mask length `%s' invalid",slash);
continue;
}
- mask.s_addr= htonl((0x0ffffffffUL) << (32-initial));
+ ai->prefix_mask(initial, &sl->mask);
}
} else {
- maskwhat = "implied mask";
- baselocal= ntohl(base.s_addr);
- if (!baselocal & 0x080000000UL) /* class A */
- mask.s_addr= htonl(0x0ff000000UL);
- else if ((baselocal & 0x0c0000000UL) == 0x080000000UL)
- mask.s_addr= htonl(0x0ffff0000UL); /* class B */
- else if ((baselocal & 0x0f0000000UL) == 0x0e0000000UL)
- mask.s_addr= htonl(0x0ff000000UL); /* class C */
- else {
+ maskwhat = "implied prefix length";
+ initial = ai->guess_len(&sl->base);
+ if (initial < 0) {
configparseerr(ads,fn,lno, "network address `%s'"
" in sortlist is not in classed ranges,"
" must specify mask explicitly", tbuf);
continue;
}
+ ai->prefix_mask(initial, &sl->mask);
}
- if (base.s_addr & ~mask.s_addr) {
- configparseerr(ads,fn,lno, "%s `%s' in sortlist"
- " overlaps address `%s'",maskwhat,
- slash ? slash : inet_ntoa(mask), tbuf);
+ if (!ai->matchp(&sl->base, &sl->base, &sl->mask)) {
+ if (initial >= 0) {
+ configparseerr(ads,fn,lno, "%s %d in sortlist"
+ " overlaps address `%s'",maskwhat,initial,tbuf);
+ } else {
+ configparseerr(ads,fn,lno, "%s `%s' in sortlist"
+ " overlaps address `%s'",maskwhat,slash,tbuf);
+ }
continue;
}
- ads->sortlist[ads->nsortlist].base= base;
- ads->sortlist[ads->nsortlist].mask= mask;
+ sl->ai = ai;
ads->nsortlist++;
}
}