From 1685afb2c6fc9570dc841ff5f5099cec9124252b Mon Sep 17 00:00:00 2001
From: jcid <devnull@localhost>
Date: Sun, 9 Nov 2008 14:09:09 +0100
Subject: - Made the DNS resolver report in numeric address notation.

---
 src/dns.c | 34 ++++++++++++++++++++++++++++++++--
 src/dns.h |  2 +-
 2 files changed, 33 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/dns.c b/src/dns.c
index 4ff2cb76..5c47aee5 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -18,6 +18,7 @@
 #include <netdb.h>
 #include <sys/types.h>
 #include <sys/socket.h>
+#include <arpa/inet.h>
 #include <netinet/in.h>
 #include <errno.h>
 #include <unistd.h>
@@ -268,6 +269,8 @@ static void *Dns_server(void *data)
    struct addrinfo hints, *res0;
    int error;
    Dlist *hosts;
+   size_t length, i;
+   char addr_string[40];
 
    memset(&hints, 0, sizeof(hints));
    hints.ai_family = AF_UNSPEC;
@@ -307,8 +310,18 @@ static void *Dns_server(void *data)
    }
 
    /* tell our findings */
-   MSG("Dns_server [%d]: %s is %p\n", channel,
-       dns_server[channel].hostname, hosts);
+   MSG("Dns_server [%d]: %s is", channel,
+       dns_server[channel].hostname);
+   if ((length = dList_length(hosts))) {
+      for (i = 0; i < length; i++) {
+         a_Dns_dillohost_to_string(dList_nth_data(hosts, i),
+                                   addr_string, sizeof(addr_string));
+         MSG(" %s", addr_string);
+      }
+      MSG("\n");
+   } else {
+      MSG(" (nil)\n");
+   }
    dns_server[channel].addr_list = hosts;
    dns_server[channel].ip_ready = TRUE;
 
@@ -482,3 +495,20 @@ void a_Dns_freeall(void)
    dFree(dns_cache);
 }
 
+/*
+ *  Writes a string representation of the given DilloHost
+ *  into dst. dst will be \0 terminated.
+ *  Please note that dst must be at least 40 bytes long for IPv6
+ *  addresses.
+ */
+void a_Dns_dillohost_to_string(DilloHost *host, char *dst, size_t size)
+{
+   if (!inet_ntop(host->af, host->data, dst, size)) {
+      switch (errno) {
+         case EAFNOSUPPORT:
+            snprintf(dst, size, "Unknown address family");
+         case ENOSPC:
+            snprintf(dst, size, "Buffer too small");
+      }
+   }
+}
diff --git a/src/dns.h b/src/dns.h
index 1749044f..fca28727 100644
--- a/src/dns.h
+++ b/src/dns.h
@@ -22,7 +22,7 @@ typedef struct _DilloHost
   int alen;
   char data[DILLO_ADDR_MAX];
 } DilloHost;
-
+void a_Dns_dillohost_to_string(DilloHost *host, char *dst, size_t size);
 
 #ifdef __cplusplus
 }
-- 
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