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Use correct packet-size limit in make_local_answer()

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Simon Kelley committed 2021-06-21 15:59:07 +01:00
1 parent 25ff956c7d
commit 6d1edd8d32
3 files changed
+7 -6
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src/domain-match.c
+3 -3
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@@ -335,7 +335,7 @@ int is_local_answer(time_t now, int first, char *name)
return rc;
}
size_t make_local_answer(int flags, int gotname, size_t size, struct dns_header *header, char *name, int first, int last)
size_t make_local_answer(int flags, int gotname, size_t size, struct dns_header *header, char *name, char *limit, int first, int last)
{
int trunc = 0;
unsigned char *p;
@@ -361,7 +361,7 @@ size_t make_local_answer(int flags, int gotname, size_t size, struct dns_header
addr.addr4 = srv->addr;
header->ancount = htons(ntohs(header->ancount) + 1);
add_resource_record(header, ((char *)header) + 65536, &trunc, sizeof(struct dns_header), &p, daemon->local_ttl, NULL, T_A, C_IN, "4", &addr);
add_resource_record(header, limit, &trunc, sizeof(struct dns_header), &p, daemon->local_ttl, NULL, T_A, C_IN, "4", &addr);
log_query((flags | F_CONFIG | F_FORWARD) & ~F_IPV6, name, (union all_addr *)&addr, NULL);
}
@@ -376,7 +376,7 @@ size_t make_local_answer(int flags, int gotname, size_t size, struct dns_header
addr.addr6 = srv->addr;
header->ancount = htons(ntohs(header->ancount) + 1);
add_resource_record(header, ((char *)header) + 65536, &trunc, sizeof(struct dns_header), &p, daemon->local_ttl, NULL, T_AAAA, C_IN, "6", &addr);
add_resource_record(header, limit, &trunc, sizeof(struct dns_header), &p, daemon->local_ttl, NULL, T_AAAA, C_IN, "6", &addr);
log_query((flags | F_CONFIG | F_FORWARD) & ~F_IPV4, name, (union all_addr *)&addr, NULL);
}