Changeset 7262f89 in mainline for uspace/srv/net/dnsres/query.c

Timestamp:

2013-04-20T10:42:13Z (12 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

dc95342

Parents:

f1dcf6d

Message:

Construct domain names, fix some bugs. Parse answer, print resulting hostname and IP address.

File:

• uspace/srv/net/dnsres/query.c (modified) (3 diffs)

uspace/srv/net/dnsres/query.c

@@ -36 +36 @@
 #include <errno.h>
 #include <mem.h>
+#include <str.h>
 
+#include "dns_msg.h"
 #include "dns_std.h"
 #include "dns_type.h"
@@ -44 +46 @@
 static uint16_t msg_id;
 
+#include <stdio.h>
 int dns_name2host(const char *name, dns_host_info_t *info)
 {
@@ -72 +75 @@
                 return rc;
 
-        return EOK;
+        list_foreach(amsg->answer, link) {
+                dns_rr_t *rr = list_get_instance(link, dns_rr_t, msg);
+
+                printf(" - '%s' %u/%u, dsize %u\n",
+                        rr->name, rr->rtype, rr->rclass, rr->rdata_size);
+
+                if (rr->rtype == DTYPE_A && rr->rclass == DC_IN) {
+                        if (rr->rdata_size != sizeof(uint32_t)) {
+                                printf("rdata_size = %u - fail\n", rr->rdata_size);
+                                return EIO;
+                        }
+
+                        info->name = str_dup(rr->name);
+                        info->addr.ipv4 = dns_uint32_t_decode(rr->rdata, rr->rdata_size);
+                        printf("info->addr = %x\n", info->addr.ipv4);
+                        return EOK;
+                }
+        }
+
+        printf("no A/IN found, fail\n");
+
+        return EIO;
 }