Move nuttx/netutils to apps/netutils

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3401 42af7a65-404d-4744-a932-0658087f49c3

11 files changed, 1321 insertions, 0 deletions

diff --git a/apps/netutils/uiplib/Makefile b/apps/netutils/uiplib/Makefile
new file mode 100644
index 000000000..ef6c65156
--- /dev/null
+++ b/apps/netutils/uiplib/Makefile
@@ -0,0 +1,103 @@
+############################################################################
+# apps/netutils/uiplib/Makefile
+#
+#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+include $(APPDIR)/Make.defs
+
+# UIP Library
+
+ASRCS		=
+CSRCS		= uiplib.c uip_sethostaddr.c uip_gethostaddr.c uip_setdraddr.c \
+			  uip_setnetmask.c uip_parsehttpurl.c uip_server.c
+
+# No MAC address support for SLIP (Ethernet only)
+
+ifneq ($(CONFIG_NET_SLIP),y)
+CSRCS		+= uip_setmacaddr.c uip_getmacaddr.c
+endif
+
+# IGMP support
+
+ifeq ($(CONFIG_NET_IGMP),y)
+CSRCS		+= uip_ipmsfilter.c
+endif
+
+AOBJS		= $(ASRCS:.S=$(OBJEXT))
+COBJS		= $(CSRCS:.c=$(OBJEXT))
+
+SRCS		= $(ASRCS) $(CSRCS)
+OBJS		= $(AOBJS) $(COBJS)
+
+BIN	    	= ../../libapps$(LIBEXT)
+
+ROOTDEPPATH	= --dep-path .
+
+# Common build
+
+VPATH		= 
+
+all: .built
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+$(BIN):	$(OBJS)
+	@( for obj in $(OBJS) ; do \
+		$(call ARCHIVE, $@, $${obj}); \
+	done ; )
+	@touch .built
+	
+.built: $(BIN)
+
+.depend: Makefile $(SRCS)
+	@$(MKDEP) $(ROOTDEPPATH) \
+	  $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
+	@touch $@
+
+# Register application
+depend: .depend
+
+clean:
+	@rm -f $(BIN) *.o *~ .*.swp .built
+	$(call CLEAN)
+
+distclean: clean
+	@rm -f Make.dep .depend
+
+-include Make.dep
diff --git a/apps/netutils/uiplib/uip_gethostaddr.c b/apps/netutils/uiplib/uip_gethostaddr.c
new file mode 100644
index 000000000..0de639d6c
--- /dev/null
+++ b/apps/netutils/uiplib/uip_gethostaddr.c
@@ -0,0 +1,106 @@
+/****************************************************************************
+ * netutils/uiplib/uip_gethostaddr.c
+ *
+ *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+
+#include <string.h>
+#include <errno.h>
+
+#include <netinet/in.h>
+#include <net/if.h>
+
+#include <apps/netutils/uiplib.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: uip_gethostaddr
+ *
+ * Description:
+ *   Get the network driver IP address
+ *
+ * Parameters:
+ *   ifname   The name of the interface to use
+ *   ipaddr   The location to return the IP address
+ *
+ * Return:
+ *   0 on sucess; -1 on failure
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_NET_IPv6
+int uip_gethostaddr(const char *ifname, struct in6_addr *addr)
+#else
+int uip_gethostaddr(const char *ifname, struct in_addr *addr)
+#endif
+{
+  int ret = ERROR;
+  if (ifname && addr)
+    {
+      int sockfd = socket(PF_INET, UIPLIB_SOCK_IOCTL, 0);
+      if (sockfd >= 0)
+        {
+          struct ifreq req;
+          strncpy(req.ifr_name, ifname, IFNAMSIZ);
+          ret = ioctl(sockfd, SIOCGIFADDR, (unsigned long)&req);
+          if (!ret)
+            {
+#ifdef CONFIG_NET_IPv6
+#error "req.ifr_addr.s_addr not big enough for IPv6 address"
+              memcpy(addr, &req.ifr_addr, sizeof(struct in6_addr));
+#else
+              memcpy(addr, &req.ifr_addr, sizeof(struct in_addr));
+#endif
+            }
+        }
+    }
+  return ret;
+}
+
+#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
diff --git a/apps/netutils/uiplib/uip_getmacaddr.c b/apps/netutils/uiplib/uip_getmacaddr.c
new file mode 100644
index 000000000..c99bc7a7d
--- /dev/null
+++ b/apps/netutils/uiplib/uip_getmacaddr.c
@@ -0,0 +1,104 @@
+/****************************************************************************
+ * netutils/uiplib/uip_getmacaddr.c
+ *
+ *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+
+#include <netinet/in.h>
+#include <net/if.h>
+
+#include <apps/netutils/uiplib.h>
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: uip_getmacaddr
+ *
+ * Description:
+ *   Get the network driver IP address
+ *
+ * Parameters:
+ *   ifname   The name of the interface to use
+ *   macaddr  The location to return the MAC address
+ *
+ * Return:
+ *   0 on sucess; -1 on failure
+ *
+ ****************************************************************************/
+
+int uip_getmacaddr(const char *ifname, uint8_t *macaddr)
+{
+  int ret = ERROR;
+  if (ifname && macaddr)
+    {
+      /* Get a socket (only so that we get access to the INET subsystem) */
+
+      int sockfd = socket(PF_INET, UIPLIB_SOCK_IOCTL, 0);
+      if (sockfd >= 0)
+        {
+          struct ifreq req;
+          memset (&req, 0, sizeof(struct ifreq));
+
+          /* Put the driver name into the request */
+
+          strncpy(req.ifr_name, ifname, IFNAMSIZ);
+
+          /* Perform the ioctl to get the MAC address */
+
+          ret = ioctl(sockfd, SIOCGIFHWADDR, (unsigned long)&req);
+          if (!ret)
+            {
+              /* Return the MAC address */
+
+              memcpy(macaddr, &req.ifr_hwaddr.sa_data, IFHWADDRLEN);
+            }
+        }
+    }
+  return ret;
+}
+
+#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
diff --git a/apps/netutils/uiplib/uip_ipmsfilter.c b/apps/netutils/uiplib/uip_ipmsfilter.c
new file mode 100755
index 000000000..ccae4a680
--- /dev/null
+++ b/apps/netutils/uiplib/uip_ipmsfilter.c
@@ -0,0 +1,116 @@
+/****************************************************************************
+ * netutils/uiplib/uip_setmultiaddr.c
+ *
+ *   Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <netinet/in.h>
+#include <sys/sockio.h>
+
+#include <apps/netutils/uiplib.h>
+#include <apps/netutils/ipmsfilter.h>
+
+#ifdef CONFIG_NET_IGMP
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: ipmsfilter
+ *
+ * Description:
+ *   Add or remove an IP address from a multicast filter set.
+ *
+ * Parameters:
+ *   ifname     The name of the interface to use, size must less than IMSFNAMSIZ
+ *   multiaddr  Multicast group address to add/remove (network byte order)
+ *   fmode      MCAST_INCLUDE: Add multicast address
+ *              MCAST_EXCLUDE: Remove multicast address
+ *
+ * Return:
+ *   0 on sucess; Negated errno on failure
+ *
+ ****************************************************************************/
+
+int ipmsfilter(FAR const char *ifname, FAR const struct in_addr *multiaddr,
+               uint32_t fmode)
+{
+  int ret = ERROR;
+
+  nvdbg("ifname: %s muliaddr: %08x fmode: %ld\n", ifname, *multiaddr, fmode);
+  if (ifname && multiaddr)
+    {
+      /* Get a socket (only so that we get access to the INET subsystem) */
+
+      int sockfd = socket(PF_INET, UIPLIB_SOCK_IOCTL, 0);
+      if (sockfd >= 0)
+        {
+          struct ip_msfilter imsf;
+
+          /* Put the driver name into the request */
+
+          strncpy(imsf.imsf_name, ifname, IMSFNAMSIZ);
+
+          /* Put the new address into the request */
+
+          imsf.imsf_multiaddr.s_addr = multiaddr->s_addr;
+
+          /* Perforom the ioctl to set the MAC address */
+
+          imsf.imsf_fmode = fmode;
+          ret = ioctl(sockfd, SIOCSIPMSFILTER, (unsigned long)&imsf);
+          close(sockfd);
+        }
+    }
+  return ret;
+}
+
+#endif /* CONFIG_NET_IGM */
diff --git a/apps/netutils/uiplib/uip_parsehttpurl.c b/apps/netutils/uiplib/uip_parsehttpurl.c
new file mode 100644
index 000000000..bda5502b7
--- /dev/null
+++ b/apps/netutils/uiplib/uip_parsehttpurl.c
@@ -0,0 +1,149 @@
+/****************************************************************************
+ * netutils/uiplib/uip_parsehttpurl.c
+ *
+ *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ *****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+
+#include <apps/netutils/uiplib.h>
+
+/****************************************************************************
+ * Private Data
+ *****************************************************************************/
+
+const char g_http[] = "http://";
+#define HTTPLEN 7
+
+/****************************************************************************
+ * Public Functions
+ *****************************************************************************/
+
+/****************************************************************************
+ * Name: uip_parsehttpurl
+ ****************************************************************************/
+
+int uip_parsehttpurl(const char *url, uint16_t *port,
+                     char *hostname, int hostlen,
+                     char *filename, int namelen)
+{
+  const char *src = url;
+  char *dest;
+  int bytesleft;
+  int ret = OK;
+
+  /* A valid HTTP URL must begin with http:// if it does not, we will assume
+   * that it is a file name only, but still return an error.  wget() depends
+   * on this strange behavior.
+   */
+
+  if (strncmp(src, g_http, HTTPLEN) != 0)
+    {
+      ret = -EINVAL;
+    }
+  else
+    {
+      /* Skip over the http:// */
+
+      src += HTTPLEN;
+
+      /* Concatenate the hostname following http:// and up to the termnator */
+
+      dest      = hostname;
+      bytesleft = hostlen;
+      while (*src != '\0' && *src != '/' && *src != ' ' && *src != ':')
+        {
+          /* Make sure that there is space for another character in the hostname.
+           * (reserving space for the null terminator)
+           */
+
+          if (bytesleft > 1)
+            {
+              *dest++ = *src++;
+              bytesleft--;
+            }
+          else
+            {
+              ret = -E2BIG;
+            }
+        }
+      *dest = '\0';
+
+      /* Check if the hostname is following by a port number */
+
+      if (*src == ':')
+        {
+          uint16_t accum = 0;
+          src++; /* Skip over the colon */
+ 
+          while (*src >= '0' && *src <= '9')
+            {
+              accum = 10*accum + *src - '0';
+              src++;
+            }
+          *port = accum;
+        }
+    }
+
+  /* The rest of the line is the file name */
+
+  if (*src == '\0' || *src == ' ')
+    {
+      ret = -ENOENT;
+    }
+
+  /* Make sure the file name starts with exactly one '/' */
+
+  dest      = filename;
+  bytesleft = namelen;
+  while (*src == '/')
+    {
+      src++;
+    }
+  *dest++ = '/';
+  bytesleft--;
+
+  /* The copy the rest of the file name to the user buffer */
+ 
+  strncpy(dest, src, namelen);
+  filename[namelen-1] = '\0';
+  return ret;
+}
+
diff --git a/apps/netutils/uiplib/uip_server.c b/apps/netutils/uiplib/uip_server.c
new file mode 100644
index 000000000..f58f063de
--- /dev/null
+++ b/apps/netutils/uiplib/uip_server.c
@@ -0,0 +1,184 @@
+/****************************************************************************
+ * netutils/uiplib/uip_server.c
+ *
+ *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <errno.h>
+#include <debug.h>
+#include <netinet/in.h>
+
+#include <apps/netutils/uiplib.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: uip_server
+ *
+ * Description:
+ *   Implement basic server logic
+ *
+ * Parameters:
+ *   portno    The port to listen on (in network byte order)
+ *   handler   The entrypoint of the task to spawn when a new connection is
+ *             accepted.
+ *   stacksize The stack size needed by the spawned task
+ *
+ * Return:
+ *   Does not return unless an error occurs.
+ *
+ ****************************************************************************/
+
+void uip_server(uint16_t portno, pthread_startroutine_t handler, int stacksize)
+{
+  struct sockaddr_in myaddr;
+#ifdef CONFIG_NET_HAVE_SOLINGER
+  struct linger ling;
+#endif
+  pthread_t child;
+  pthread_attr_t attr;
+  socklen_t addrlen;
+  int listensd;
+  int acceptsd;
+#ifdef CONFIG_NET_HAVE_REUSEADDR
+  int optval;
+#endif
+
+  /* Create a new TCP socket to use to listen for connections */
+
+  listensd = socket(PF_INET, SOCK_STREAM, 0);
+  if (listensd < 0)
+    {
+      ndbg("socket failure: %d\n", errno);
+      return;
+    }
+
+  /* Set socket to reuse address */
+
+#ifdef CONFIG_NET_HAVE_REUSEADDR
+  optval = 1;
+  if (setsockopt(listensd, SOL_SOCKET, SO_REUSEADDR, (void*)&optval, sizeof(int)) < 0)
+    {
+      ndbg("setsockopt SO_REUSEADDR failure: %d\n", errno);
+      goto errout_with_socket;
+    }
+#endif
+
+  /* Bind the socket to a local address */
+
+  myaddr.sin_family      = AF_INET;
+  myaddr.sin_port        = portno;
+  myaddr.sin_addr.s_addr = INADDR_ANY;
+
+  if (bind(listensd, (struct sockaddr*)&myaddr, sizeof(struct sockaddr_in)) < 0)
+    {
+      ndbg("bind failure: %d\n", errno);
+      goto errout_with_socket;
+    }
+
+  /* Listen for connections on the bound TCP socket */
+
+  if (listen(listensd, 5) < 0)
+    {
+      ndbg("listen failure %d\n", errno);
+      goto errout_with_socket;
+    }
+
+  /* Begin accepting connections */
+
+  nvdbg("Accepting connections on port %d\n", ntohs(portno));
+  for (;;)
+    {
+      addrlen = sizeof(struct sockaddr_in);
+      acceptsd = accept(listensd, (struct sockaddr*)&myaddr, &addrlen);
+      if (acceptsd < 0)
+        {
+          ndbg("accept failure: %d\n", errno);
+          break;;
+        }
+      nvdbg("Connection accepted -- spawning sd=%d\n", acceptsd);
+
+      /* Configure to "linger" until all data is sent when the socket is closed */
+
+#ifdef CONFIG_NET_HAVE_SOLINGER
+      ling.l_onoff  = 1;
+      ling.l_linger = 30;     /* timeout is seconds */
+      if (setsockopt(acceptsd, SOL_SOCKET, SO_LINGER, &ling, sizeof(struct linger)) < 0)
+        {
+          close(acceptsd);
+          ndbg("setsockopt SO_LINGER failure: %d\n", errno);
+          break;;
+        }
+#endif
+
+      /* Create a thread to handle the connection.  The socket descriptor is
+       * provided in as the single argument to the new thread.
+       */
+
+      (void)pthread_attr_init(&attr);
+      (void)pthread_attr_setstacksize(&attr, stacksize);
+
+      if (pthread_create(&child, &attr, handler, (void*)acceptsd) != 0)
+        {
+          close(acceptsd);
+          ndbg("create_create failed\n");
+          break;
+        }
+
+      /* We don't care when/how the child thread exits so detach from it now
+       * in order to avoid memory leaks.
+       */
+
+      (void)pthread_detach(child);
+    }
+
+errout_with_socket:
+  close(listensd);
+}
diff --git a/apps/netutils/uiplib/uip_setdraddr.c b/apps/netutils/uiplib/uip_setdraddr.c
new file mode 100644
index 000000000..79eac5b97
--- /dev/null
+++ b/apps/netutils/uiplib/uip_setdraddr.c
@@ -0,0 +1,117 @@
+/****************************************************************************
+ * netutils/uiplib/uip_setdraddr.c
+ *
+ *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <netinet/in.h>
+#include <net/if.h>
+
+#include <apps/netutils/uiplib.h>
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: uip_setdraddr
+ *
+ * Description:
+ *   Set the default router IP address
+ *
+ * Parameters:
+ *   ifname   The name of the interface to use
+ *   ipaddr   The address to set
+ *
+ * Return:
+ *   0 on sucess; -1 on failure
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_NET_IPv6
+int uip_setdraddr(const char *ifname, const struct in6_addr *addr)
+#else
+int uip_setdraddr(const char *ifname, const struct in_addr *addr)
+#endif
+{
+  int ret = ERROR;
+  if (ifname && addr)
+    {
+      int sockfd = socket(PF_INET, UIPLIB_SOCK_IOCTL, 0);
+      if (sockfd >= 0)
+        {
+          struct ifreq req;
+#ifdef CONFIG_NET_IPv6
+          struct sockaddr_in6 *inaddr;
+#else
+          struct sockaddr_in  *inaddr;
+#endif
+          /* Add the device name to the request */
+
+          strncpy(req.ifr_name, ifname, IFNAMSIZ);
+
+          /* Add the INET address to the request */
+
+#ifdef CONFIG_NET_IPv6
+#error "req.ifr_addr.s_addr not big enough for IPv6 address"
+          inaddr             = (struct sockaddr_in6 *)&req.ifr_addr;
+          inaddr->sin_family = AF_INET6;
+          inaddr->sin_port   = 0;
+          memcpy(&inaddr->sin6_addr, addr, sizeof(struct in6_addr));
+#else
+          inaddr             = (struct sockaddr_in *)&req.ifr_addr;
+          inaddr->sin_family = AF_INET;
+          inaddr->sin_port   = 0;
+          memcpy(&inaddr->sin_addr, addr, sizeof(struct in_addr));
+#endif
+          ret = ioctl(sockfd, SIOCSIFDSTADDR, (unsigned long)&req);
+          close(sockfd);
+        }
+    }
+  return ret;
+}
+
+#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
diff --git a/apps/netutils/uiplib/uip_sethostaddr.c b/apps/netutils/uiplib/uip_sethostaddr.c
new file mode 100644
index 000000000..ccc7526b9
--- /dev/null
+++ b/apps/netutils/uiplib/uip_sethostaddr.c
@@ -0,0 +1,117 @@
+/****************************************************************************
+ * netutils/uiplib/uip_sethostaddr.c
+ *
+ *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <netinet/in.h>
+#include <net/if.h>
+
+#include <apps/netutils/uiplib.h>
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: uip_sethostaddr
+ *
+ * Description:
+ *   Set the network driver IP address
+ *
+ * Parameters:
+ *   ifname   The name of the interface to use
+ *   ipaddr   The address to set
+ *
+ * Return:
+ *   0 on sucess; -1 on failure
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_NET_IPv6
+int uip_sethostaddr(const char *ifname, const struct in6_addr *addr)
+#else
+int uip_sethostaddr(const char *ifname, const struct in_addr *addr)
+#endif
+{
+  int ret = ERROR;
+  if (ifname && addr)
+    {
+      int sockfd = socket(PF_INET, UIPLIB_SOCK_IOCTL, 0);
+      if (sockfd >= 0)
+        {
+          struct ifreq req;
+#ifdef CONFIG_NET_IPv6
+          struct sockaddr_in6 *inaddr;
+#else
+          struct sockaddr_in  *inaddr;
+#endif
+          /* Add the device name to the request */
+
+          strncpy(req.ifr_name, ifname, IFNAMSIZ);
+
+          /* Add the INET address to the request */
+
+#ifdef CONFIG_NET_IPv6
+#error "req.ifr_addr.s_addr not big enough for IPv6 address"
+          inaddr             = (struct sockaddr_in6 *)&req.ifr_addr;
+          inaddr->sin_family = AF_INET6;
+          inaddr->sin_port   = 0;
+          memcpy(&inaddr->sin6_addr, addr, sizeof(struct in6_addr));
+#else
+          inaddr             = (struct sockaddr_in *)&req.ifr_addr;
+          inaddr->sin_family = AF_INET;
+          inaddr->sin_port   = 0;
+          memcpy(&inaddr->sin_addr, addr, sizeof(struct in_addr));
+#endif
+          ret = ioctl(sockfd, SIOCSIFADDR, (unsigned long)&req);
+          close(sockfd);
+        }
+    }
+  return ret;
+}
+
+#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
diff --git a/apps/netutils/uiplib/uip_setmacaddr.c b/apps/netutils/uiplib/uip_setmacaddr.c
new file mode 100644
index 000000000..28188b7f8
--- /dev/null
+++ b/apps/netutils/uiplib/uip_setmacaddr.c
@@ -0,0 +1,114 @@
+/****************************************************************************
+ * netutils/uiplib/uip_setmacaddr.c
+ *
+ *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <netinet/in.h>
+#include <net/if.h>
+
+#include <apps/netutils/uiplib.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#ifdef CONFIG_NET_IPv6
+# define AF_INETX AF_INET6
+#else
+# define AF_INETX AF_INET
+#endif
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: uip_setmacaddr
+ *
+ * Description:
+ *   Set the network driver MAC address
+ *
+ * Parameters:
+ *   ifname   The name of the interface to use
+ *   macaddr  MAC address to set, size must be IFHWADDRLEN
+ *
+ * Return:
+ *   0 on sucess; -1 on failure
+ *
+ ****************************************************************************/
+
+int uip_setmacaddr(const char *ifname, const uint8_t *macaddr)
+{
+  int ret = ERROR;
+  if (ifname && macaddr)
+    {
+      /* Get a socket (only so that we get access to the INET subsystem) */
+
+      int sockfd = socket(PF_INET, UIPLIB_SOCK_IOCTL, 0);
+      if (sockfd >= 0)
+        {
+          struct ifreq req;
+
+          /* Put the driver name into the request */
+
+          strncpy(req.ifr_name, ifname, IFNAMSIZ);
+
+          /* Put the new MAC address into the request */
+
+          req.ifr_hwaddr.sa_family = AF_INETX;
+          memcpy(&req.ifr_hwaddr.sa_data, macaddr, IFHWADDRLEN);
+
+          /* Perforom the ioctl to set the MAC address */
+
+          ret = ioctl(sockfd, SIOCSIFHWADDR, (unsigned long)&req);
+          close(sockfd);
+        }
+    }
+  return ret;
+}
+
+#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
diff --git a/apps/netutils/uiplib/uip_setnetmask.c b/apps/netutils/uiplib/uip_setnetmask.c
new file mode 100644
index 000000000..2cdc38474
--- /dev/null
+++ b/apps/netutils/uiplib/uip_setnetmask.c
@@ -0,0 +1,116 @@
+/****************************************************************************
+ * netutils/uiplib/uip_setnetmask.c
+ *
+ *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <netinet/in.h>
+#include <net/if.h>
+
+#include <apps/netutils/uiplib.h>
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: uip_setnetmask
+ *
+ * Description:
+ *   Set the netmask
+ *
+ * Parameters:
+ *   ifname   The name of the interface to use
+ *   ipaddr   The address to set
+ *
+ * Return:
+ *   0 on sucess; -1 on failure
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_NET_IPv6
+int uip_setnetmask(const char *ifname, const struct in6_addr *addr)
+#else
+int uip_setnetmask(const char *ifname, const struct in_addr *addr)
+#endif
+{
+  int ret = ERROR;
+  if (ifname && addr)
+    {
+      int sockfd = socket(PF_INET, UIPLIB_SOCK_IOCTL, 0);
+      if (sockfd >= 0)
+        {
+          struct ifreq req;
+#ifdef CONFIG_NET_IPv6
+          struct sockaddr_in6 *inaddr;
+#else
+          struct sockaddr_in  *inaddr;
+#endif
+          /* Add the device name to the request */
+
+          strncpy(req.ifr_name, ifname, IFNAMSIZ);
+
+          /* Add the INET address to the request */
+
+#ifdef CONFIG_NET_IPv6
+#error "req.ifr_addr.s_addr not big enough for IPv6 address"
+          inaddr             = (struct sockaddr_in6 *)&req.ifr_addr;
+          inaddr->sin_family = AF_INET6;
+          inaddr->sin_port   = 0;
+          memcpy(&inaddr->sin6_addr, addr, sizeof(struct in6_addr));
+#else
+          inaddr             = (struct sockaddr_in *)&req.ifr_addr;
+          inaddr->sin_family = AF_INET;
+          inaddr->sin_port   = 0;
+          memcpy(&inaddr->sin_addr, addr, sizeof(struct in_addr));
+#endif
+          ret = ioctl(sockfd, SIOCSIFNETMASK, (unsigned long)&req);
+          close(sockfd);
+        }
+    }
+  return ret;
+}
+
+#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
diff --git a/apps/netutils/uiplib/uiplib.c b/apps/netutils/uiplib/uiplib.c
new file mode 100644
index 000000000..99f716f5c
--- /dev/null
+++ b/apps/netutils/uiplib/uiplib.c
@@ -0,0 +1,95 @@
+/****************************************************************************
+ * netutils/uiplib/uiplib.c
+ * Various uIP library functions.
+ *
+ *   Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Based on uIP which also has a BSD style license:
+ *
+ *   Author: Adam Dunkels <adam@sics.se>
+ *   Copyright (c) 2004, Adam Dunkels and the Swedish Institute of
+ *   Computer Science.
+ *   All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <net/uip/uip.h>
+#include <apps/netutils/uiplib.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+bool uiplib_ipaddrconv(const char *addrstr, uint8_t *ipaddr)
+{
+  unsigned char tmp;
+  char c;
+  unsigned char i;
+  unsigned char j;
+
+  tmp = 0;
+
+  for (i = 0; i < 4; ++i)
+    {
+      j = 0;
+      do
+        {
+          c = *addrstr;
+          ++j;
+          if (j > 4)
+           {
+             return false;
+           }
+          if (c == '.' || c == 0)
+            {
+              *ipaddr = tmp;
+              ++ipaddr;
+              tmp = 0;
+            }
+          else if(c >= '0' && c <= '9')
+            {
+              tmp = (tmp * 10) + (c - '0');
+            }
+          else
+            {
+              return false;
+            }
+          ++addrstr;
+        }
+      while(c != '.' && c != 0);
+    }
+  return true;
+}