1 3e0d8fb3 2005-12-27 devnull #include <u.h>
2 3e0d8fb3 2005-12-27 devnull #include <libc.h>
3 3e0d8fb3 2005-12-27 devnull #include <bio.h>
4 3e0d8fb3 2005-12-27 devnull #include <ndb.h>
5 3e0d8fb3 2005-12-27 devnull #include <ip.h>
6 5c9f76b5 2006-02-14 devnull #include <thread.h>
7 3e0d8fb3 2005-12-27 devnull #include "dns.h"
9 3e0d8fb3 2005-12-27 devnull Area *owned;
10 3e0d8fb3 2005-12-27 devnull Area *delegated;
13 3e0d8fb3 2005-12-27 devnull * true if a name is in our area
16 3e0d8fb3 2005-12-27 devnull inmyarea(char *name)
19 3e0d8fb3 2005-12-27 devnull Area *s, *d;
21 3e0d8fb3 2005-12-27 devnull len = strlen(name);
22 3e0d8fb3 2005-12-27 devnull for(s = owned; s; s = s->next){
23 3e0d8fb3 2005-12-27 devnull if(s->len > len)
24 3e0d8fb3 2005-12-27 devnull continue;
25 3e0d8fb3 2005-12-27 devnull if(cistrcmp(s->soarr->owner->name, name + len - s->len) == 0)
26 3e0d8fb3 2005-12-27 devnull if(len == s->len || name[len - s->len - 1] == '.')
29 3e0d8fb3 2005-12-27 devnull if(s == 0)
30 3e0d8fb3 2005-12-27 devnull return 0;
32 3e0d8fb3 2005-12-27 devnull for(d = delegated; d; d = d->next){
33 3e0d8fb3 2005-12-27 devnull if(d->len > len)
34 3e0d8fb3 2005-12-27 devnull continue;
35 3e0d8fb3 2005-12-27 devnull if(cistrcmp(d->soarr->owner->name, name + len - d->len) == 0)
36 3e0d8fb3 2005-12-27 devnull if(len == d->len || name[len - d->len - 1] == '.')
37 3e0d8fb3 2005-12-27 devnull return 0;
40 3e0d8fb3 2005-12-27 devnull return s;
44 3e0d8fb3 2005-12-27 devnull * our area is the part of the domain tree that
45 3e0d8fb3 2005-12-27 devnull * we serve
48 3e0d8fb3 2005-12-27 devnull addarea(DN *dp, RR *rp, Ndbtuple *t)
50 3e0d8fb3 2005-12-27 devnull Area **l, *s;
52 3e0d8fb3 2005-12-27 devnull if(t->val[0])
53 3e0d8fb3 2005-12-27 devnull l = &delegated;
55 3e0d8fb3 2005-12-27 devnull l = &owned;
58 3e0d8fb3 2005-12-27 devnull * The area contains a copy of the soa rr that created it.
59 3e0d8fb3 2005-12-27 devnull * The owner of the the soa rr should stick around as long
60 3e0d8fb3 2005-12-27 devnull * as the area does.
62 3e0d8fb3 2005-12-27 devnull s = emalloc(sizeof(*s));
63 3e0d8fb3 2005-12-27 devnull s->len = strlen(dp->name);
64 3e0d8fb3 2005-12-27 devnull rrcopy(rp, &s->soarr);
65 3e0d8fb3 2005-12-27 devnull s->soarr->owner = dp;
66 3e0d8fb3 2005-12-27 devnull s->soarr->db = 1;
67 3e0d8fb3 2005-12-27 devnull s->soarr->ttl = Hour;
68 3e0d8fb3 2005-12-27 devnull s->neednotify = 1;
69 3e0d8fb3 2005-12-27 devnull s->needrefresh = 0;
71 3e0d8fb3 2005-12-27 devnull syslog(0, logfile, "new area %s", dp->name);
73 3e0d8fb3 2005-12-27 devnull s->next = *l;
78 3e0d8fb3 2005-12-27 devnull freearea(Area **l)
82 3e0d8fb3 2005-12-27 devnull while(s = *l){
83 3e0d8fb3 2005-12-27 devnull *l = s->next;
84 3e0d8fb3 2005-12-27 devnull rrfree(s->soarr);
90 3e0d8fb3 2005-12-27 devnull * refresh all areas that need it
91 3e0d8fb3 2005-12-27 devnull * this entails running a command 'zonerefreshprogram'. This could
92 3e0d8fb3 2005-12-27 devnull * copy over databases from elsewhere or just do a zone transfer.
95 3e0d8fb3 2005-12-27 devnull refresh_areas(Area *s)
97 3e0d8fb3 2005-12-27 devnull Waitmsg *w;
98 19256e0d 2006-02-17 devnull char *argv[3];
100 19256e0d 2006-02-17 devnull argv[0] = zonerefreshprogram;
101 19256e0d 2006-02-17 devnull argv[1] = "XXX";
102 19256e0d 2006-02-17 devnull argv[2] = nil;
104 3e0d8fb3 2005-12-27 devnull for(; s != nil; s = s->next){
105 3e0d8fb3 2005-12-27 devnull if(!s->needrefresh)
106 3e0d8fb3 2005-12-27 devnull continue;
108 3e0d8fb3 2005-12-27 devnull if(zonerefreshprogram == nil){
109 3e0d8fb3 2005-12-27 devnull s->needrefresh = 0;
110 3e0d8fb3 2005-12-27 devnull continue;
113 19256e0d 2006-02-17 devnull argv[1] = s->soarr->owner->name;
114 19256e0d 2006-02-17 devnull w = runproc(argv[0], argv, 0);
115 19256e0d 2006-02-17 devnull free(w);
