[PATCH] res_query: fix for CNAME responses on A queries.
Natanael Copa
natanael.copa at gmail.com
Fri Nov 27 12:31:41 UTC 2009
This fixes an issue when a CNAME was returned for an A query.
Garbage was returned.
Postfix was affected of this.
Signed-off-by: Natanael Copa <natanael.copa at gmail.com>
---
libc/inet/resolv.c | 9 ++++-----
1 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c
index e6dac1a..0eb59f3 100644
--- a/libc/inet/resolv.c
+++ b/libc/inet/resolv.c
@@ -1604,11 +1604,10 @@ int res_query(const char *dname, int class, int type,
free(a.dotted);
- if (a.atype == type) { /* CNAME */
- if (i > anslen)
- i = anslen;
- memcpy(answer, packet, i);
- }
+ if (i > anslen)
+ i = anslen;
+ memcpy(answer, packet, i);
+
free(packet);
return i;
}
--
1.6.5.2
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