{
struct timeval tv;
unsigned long pt;
+ int af = AF_UNSPEC;
+ const char *fam = "ANY";
char *p;
- int i = 0;
+ int i = 0, j;
/* --- Fill in the easy bits of address --- */
r->bg.tag = "<starting>";
r->addr = 0;
r->func = func;
- if (mystrieq(av[i], "inet")) i++;
+ if (mystrieq(av[i], "any"))
+ { fam = "ANY"; af = AF_UNSPEC; i++; }
+ else for (j = 0; j < NADDRFAM; j++) {
+ if (mystrieq(av[i], aftab[j].name)) {
+ assert(udpsock[j].fd >= 0);
+ fam = aftab[j].name;
+ af = aftab[j].af;
+ i++;
+ break;
+ }
+ }
if (ac - i != 1 && ac - i != 2) {
- a_fail(a, "bad-addr-syntax", "[inet] ADDRESS [PORT]", A_END);
+ a_fail(a, "bad-addr-syntax", "[FAMILY] ADDRESS [PORT]", A_END);
goto fail;
}
r->addr = xstrdup(av[i]);
if (a_bgadd(a, &r->bg, tag, a_rescancel))
goto fail;
- T( trace(T_ADMIN, "admin: %u, resop %s, hostname `%s'",
- a->seq, BGTAG(r), r->addr); )
+ T( trace(T_ADMIN, "admin: %u, resop %s, hostname `%s', family `%s'",
+ a->seq, BGTAG(r), r->addr, fam); )
+
+ /* --- Make sure the address family is something we can implement --- */
+
+ if (af != AF_UNSPEC && af != AF_INET) {
+ T( trace(T_ADMIN, "admin: resop %s failed: unsupported address family",
+ BGTAG(r)); )
+ a_bgfail(&r->bg, "resolve-error", "%s", r->addr, A_END);
+ goto fail_release;
+ }
+ assert(udpsock[AFIX_INET].fd >= 0);
/* --- If the name is numeric, do it the easy way --- */
func(r, ARES_FAIL);
if (r->addr) xfree(r->addr);
xfree(r);
+ return;
+
+fail_release:
+ func(r, ARES_FAIL);
+ xfree(r->addr);
+ a_bgrelease(&r->bg);
}
/*----- Option parsing ----------------------------------------------------*/