Add support for setting hostname and domainname from DHCP

6 files changed, 212 insertions, 2 deletions

diff --git a/Makefile.am b/Makefile.am
index d8fecd64..67934d0d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -14,7 +14,8 @@ nodist_include_HEADERS = include/version.h
 noinst_HEADERS = include/driver.h include/element.h include/property.h \
 			include/rtnl.h include/wifi.h include/task.h \
 			include/dbus.h include/rfkill.h include/option.h \
-			include/profile.h include/provider.h include/dhcp.h
+			include/profile.h include/provider.h include/dhcp.h \
+			include/utsname.h
 
 local_headers = $(foreach file,$(include_HEADERS) $(nodist_include_HEADERS) \
 			$(noinst_HEADERS), include/connman/$(notdir $(file)))
@@ -49,7 +50,8 @@ src_connmand_SOURCES = $(gdbus_sources) $(builtin_sources) \
 			src/agent.c src/notifier.c src/provider.c \
 			src/security.c src/resolver.c src/ipconfig.c \
 			src/ipv4.c src/dhcp.c src/rtnl.c src/inet.c \
-			src/rfkill.c src/wifi.c src/storage.c src/dbus.c
+			src/utsname.c src/rfkill.c src/wifi.c \
+			src/storage.c src/dbus.c
 
 if UDEV
 src_connmand_SOURCES += src/udev.c
diff --git a/include/utsname.h b/include/utsname.h
new file mode 100644
index 00000000..6e489c50
--- /dev/null
+++ b/include/utsname.h
@@ -0,0 +1,49 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifndef __CONNMAN_UTSNAME_H
+#define __CONNMAN_UTSNAME_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * SECTION:utsname
+ * @title: utsname premitives
+ * @short_description: Functions for handling utsname
+ */
+
+struct connman_utsname_driver {
+	const char *name;
+	int priority;
+	int (*set_hostname) (const char *hostname);
+	int (*set_domainname) (const char *domainname);
+};
+
+int connman_utsname_driver_register(struct connman_utsname_driver *driver);
+void connman_utsname_driver_unregister(struct connman_utsname_driver *driver);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CONNMAN_UTSNAME_H */
diff --git a/plugins/loopback.c b/plugins/loopback.c
index 446d1849..668165c0 100644
--- a/plugins/loopback.c
+++ b/plugins/loopback.c
@@ -37,6 +37,7 @@
 
 #define CONNMAN_API_SUBJECT_TO_CHANGE
 #include <connman/plugin.h>
+#include <connman/utsname.h>
 #include <connman/log.h>
 
 static in_addr_t loopback_address;
@@ -278,6 +279,42 @@ done:
 	return err;
 }
 
+static int loopback_set_hostname(const char *hostname)
+{
+	int err;
+
+	if (sethostname(hostname, strlen(hostname)) < 0) {
+		err = -errno;
+		connman_error("Failed to set hostname to %s", hostname);
+		return err;
+	}
+
+	connman_info("Setting hostname to %s", hostname);
+
+	return 0;
+}
+
+static int loopback_set_domainname(const char *domainname)
+{
+	int err;
+
+	if (setdomainname(domainname, strlen(domainname)) < 0) {
+		err = -errno;
+		connman_error("Failed to set domainname to %s", domainname);
+		return err;
+	}
+
+	connman_info("Setting domainname to %s", domainname);
+
+	return 0;
+}
+
+static struct connman_utsname_driver loopback_driver = {
+	.name		= "loopback",
+	.set_hostname	= loopback_set_hostname,
+	.set_domainname	= loopback_set_domainname,
+};
+
 static int loopback_init(void)
 {
 	loopback_address = inet_addr("127.0.0.1");
@@ -289,11 +326,15 @@ static int loopback_init(void)
 
 	//create_watch();
 
+	connman_utsname_driver_register(&loopback_driver);
+
 	return 0;
 }
 
 static void loopback_exit(void)
 {
+	connman_utsname_driver_unregister(&loopback_driver);
+
 	//remove_watch();
 }
 
diff --git a/src/connman.h b/src/connman.h
index 9b833fa3..7ca7cd90 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -225,6 +225,11 @@ int __connman_element_set_ipv4(struct connman_element *element,
 
 gboolean __connman_element_device_isfiltered(const char *devname);
 
+#include <connman/utsname.h>
+
+int __connman_utsname_set_hostname(const char *hostname);
+int __connman_utsname_set_domainname(const char *domainname);
+
 #include <connman/dhcp.h>
 
 int __connman_dhcp_init(void);
diff --git a/src/dhcp.c b/src/dhcp.c
index 95ac4d8c..0c0fc30a 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -115,7 +115,9 @@ void connman_dhcp_set_value(struct connman_dhcp *dhcp,
 		g_free(dhcp->element->ipv4.nameserver);
 		dhcp->element->ipv4.nameserver = g_strdup(value);
 	} else if (g_strcmp0(key, "Domainname") == 0) {
+		__connman_utsname_set_domainname(value);
 	} else if (g_strcmp0(key, "Hostname") == 0) {
+		__connman_utsname_set_hostname(value);
 	} else if (g_strcmp0(key, "Timeserver") == 0) {
 	} else if (g_strcmp0(key, "MTU") == 0) {
 	}
diff --git a/src/utsname.c b/src/utsname.c
new file mode 100644
index 00000000..2da08a73
--- /dev/null
+++ b/src/utsname.c
@@ -0,0 +1,111 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <glib.h>
+
+#include "connman.h"
+
+static GSList *driver_list = NULL;
+
+static gint compare_priority(gconstpointer a, gconstpointer b)
+{
+	const struct connman_utsname_driver *driver1 = a;
+	const struct connman_utsname_driver *driver2 = b;
+
+	return driver2->priority - driver1->priority;
+}
+
+/**
+ * connman_utsname_driver_register:
+ * @driver: utsname driver definition
+ *
+ * Register a new utsname driver
+ *
+ * Returns: %0 on success
+ */
+int connman_utsname_driver_register(struct connman_utsname_driver *driver)
+{
+	DBG("driver %p name %s", driver, driver->name);
+
+	driver_list = g_slist_insert_sorted(driver_list, driver,
+							compare_priority);
+
+	return 0;
+}
+
+/**
+ * connman_utsname_driver_unregister:
+ * @driver: utsname driver definition
+ *
+ * Remove a previously registered utsname driver
+ */
+void connman_utsname_driver_unregister(struct connman_utsname_driver *driver)
+{
+	DBG("driver %p name %s", driver, driver->name);
+
+	driver_list = g_slist_remove(driver_list, driver);
+}
+
+int __connman_utsname_set_hostname(const char *hostname)
+{
+	GSList *list;
+
+	DBG("hostname %s", hostname);
+
+	for (list = driver_list; list; list = list->next) {
+		struct connman_utsname_driver *driver = list->data;
+
+		DBG("driver %p name %s", driver, driver->name);
+
+		if (driver->set_hostname == NULL)
+			continue;
+
+		if (driver->set_hostname(hostname) == 0)
+			break;
+	}
+
+	return 0;
+}
+
+int __connman_utsname_set_domainname(const char *domainname)
+{
+	GSList *list;
+
+	DBG("domainname %s", domainname);
+
+	for (list = driver_list; list; list = list->next) {
+		struct connman_utsname_driver *driver = list->data;
+
+		DBG("driver %p name %s", driver, driver->name);
+
+		if (driver->set_domainname == NULL)
+			continue;
+
+		if (driver->set_domainname(domainname) == 0)
+			break;
+	}
+
+	return 0;
+}