Changeset d531bd6 in mainline for uspace/srv/net/dnsrsrv/dns_msg.c

Timestamp:

2013-05-08T09:24:24Z (11 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9f029aa

Parents:

06fe3b6

Message:

Handle CNAME records.

File:

• uspace/srv/net/dnsrsrv/dns_msg.c (modified) (4 diffs)

uspace/srv/net/dnsrsrv/dns_msg.c

@@ -135 +135 @@
 }
 
-static int dns_name_decode(uint8_t *buf, size_t size, size_t boff, char **rname,
+int dns_name_decode(uint8_t *buf, size_t size, size_t boff, char **rname,
     size_t *eoff)
 {
@@ -405 +405 @@
 
         memcpy(rr->rdata, bp, rdlength);
+        rr->roff = bp - buf;
         bp += rdlength;
         bsz -= rdlength;
@@ -491 +492 @@
                 return ENOMEM;
 
-        if (size < sizeof(dns_header_t))
-                return EINVAL;
+        if (size < sizeof(dns_header_t)) {
+                rc = EINVAL;
+                goto error;
+        }
+
+        /* Store a copy of raw message data for string decompression */
+
+        msg->raw = malloc(size);
+        if (msg->raw == NULL) {
+                rc = EINVAL;
+                goto error;
+        }
+
+        memcpy(msg->raw, data, size);
+        msg->raw_size = size;
+        log_msg(LOG_DEFAULT, LVL_NOTE, "dns_message_decode: msg->raw = %p, msg->raw_size=%zu",
+            msg->raw, msg->raw_size);
 
         hdr = data;
@@ -605 +621 @@
         }
 
+        free(msg->raw);
         free(msg);
 }