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import of dnsmasq-2.52.tar.gz

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This commit is contained in:
Simon Kelley
2010-01-22 20:16:09 +00:00
parent 1f15b81d61
commit 316e2730ac
43 changed files with 2694 additions and 2033 deletions
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43
src/rfc1035.c
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@@ -1,4 +1,4 @@
/* dnsmasq is Copyright (c) 2000-2009 Simon Kelley
/* dnsmasq is Copyright (c) 2000-2010 Simon Kelley
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
@@ -1327,18 +1327,41 @@ size_t answer_request(HEADER *header, char *limit, size_t qlen,
if (qtype != type && qtype != T_ANY)
continue;
/* Check for "A for A" queries */
if (qtype == T_A && (addr.addr.addr4.s_addr = inet_addr(name)) != (in_addr_t) -1)
/* Check for "A for A" queries; be rather conservative
about what looks like dotted-quad. */
if (qtype == T_A)
{
ans = 1;
if (!dryrun)
char *cp;
unsigned int i, a;
int x;
for (cp = name, i = 0, a = 0; *cp; i++)
{
log_query(F_FORWARD | F_CONFIG | F_IPV4, name, &addr, NULL);
if (add_resource_record(header, limit, &trunc, nameoffset, &ansp,
daemon->local_ttl, NULL, type, C_IN, "4", &addr))
anscount++;
if (!isdigit(*cp) || (x = strtol(cp, &cp, 10)) > 255)
{
i = 5;
break;
}
a = (a << 8) + x;
if (*cp == '.')
cp++;
}
if (i == 4)
{
ans = 1;
if (!dryrun)
{
addr.addr.addr4.s_addr = htonl(a);
log_query(F_FORWARD | F_CONFIG | F_IPV4, name, &addr, NULL);
if (add_resource_record(header, limit, &trunc, nameoffset, &ansp,
daemon->local_ttl, NULL, type, C_IN, "4", &addr))
anscount++;
}
continue;
}
continue;
}
/* interface name stuff */