1 files changed, 30 insertions, 2 deletions

diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index 22c96d63..295bee16 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -797,6 +797,8 @@ sk_free(resource *r)
 {
   sock *s = (sock *) r;
 
+  log(L_TRACE "sk_free %d %d", s->fd, s->type);
+
   sk_free_bufs(s);
 
 #ifdef HAVE_LIBSSH
@@ -1520,29 +1522,50 @@ sk_open_unix(sock *s, char *name)
   return 0;
 }
 
+static void hexdump(const char *data, socklen_t size)
+{
+  char buf[1024]="";
+
+  for (unsigned int i = 0; i < size; i++)
+    {
+      sprintf(buf + i*3, "%02x ", data[i]);
+    }
+  log(L_TRACE "sk_connect_unix: %s", buf);
+}
+
 int
 sk_connect_unix(sock *s, char *name, socklen_t namelen)
 {
   struct sockaddr_un sa;
   int fd;
 
+  log(L_TRACE "sk_connect_unix %d %s", name[0], name + 1);
+
   if (namelen > sizeof(sa.sun_path))
     return -1;
 
+  log(L_TRACE "sk_connect_unix 2");
+
   /* We are sloppy during error (leak fd and not set s->err), but we die anyway */
 
   fd = socket(AF_UNIX, SOCK_STREAM, 0);
   if (fd < 0)
-    return -1;
+    return -2;
+
+  log(L_TRACE "sk_connect_unix 3");
 
   if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0)
-    return -1;
+    return -3;
+
+  log(L_TRACE "sk_connect_unix 4");
 
   /* Path length checked in test_old_bird() */
   memset(&sa, 0, sizeof(sa));
   sa.sun_family = AF_UNIX;
   memcpy(sa.sun_path, name, namelen);
 
+  hexdump((const char*)&sa, sizeof(sa.sun_family) + namelen);
+
   s->fd = fd;
   s->type = SK_UNIX_ACTIVE;
   s->ttx = "";			/* Force s->ttx != s->tpos */
@@ -1555,6 +1578,8 @@ sk_connect_unix(sock *s, char *name, socklen_t namelen)
     ERR2("connect");
   }
 
+  log(L_TRACE "sk_connect_unix 5");
+
   sk_insert(s);
   /* sk_alloc_bufs(s); Shouldn't be needed with SK_UNIX_ACTIVE */
   return 0;
@@ -1930,7 +1955,10 @@ sk_read(sock *s, int revents)
 	}
       }
       else if (!c)
+      {
+	if (s->type == SK_UNIX) log(L_TRACE "Unix socket nothing to read");
 	s->err_hook(s, 0);
+      }
       else
       {
 	s->rpos += c;