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2004-06-29 Dan Williams <dcbw@redhat.com>

Browse source 
* dispatcher-daemon/NetworkManagerDispatcher.c
		- Implement script callout functionality


git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@11 4912f4e0-d625-0410-9fb7-b9a5a253dbdc
This commit is contained in:
Dan Williams 2004-06-29 20:10:19 +00:00
parent 80f835caed
commit d340cafffa
2 changed files with 139 additions and 14 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
2004-06-29 Dan Williams <dcbw@redhat.com>
* dispatcher-daemon/NetworkManagerDispatcher.c
- Implement script callout functionality
2004-06-24 Dan Williams <dcbw@redhat.com>
* NetworkManager.c

148
dispatcher-daemon/NetworkManagerDispatcher.c
View file

@ -28,40 +28,159 @@
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
/* Globals */
DBusConnection *connection = NULL;
enum NMDAction
{
NMD_DEVICE_DONT_KNOW,
NMD_DEVICE_NOW_INACTIVE,
NMD_DEVICE_NOW_ACTIVE
};
typedef enum NMDAction NMDAction;
/*
* nmd_execute_scripts
*
* Call scripts in /etc/NetworkManager.d when devices go down or up
*
*/
void nmd_execute_scripts (NMDAction action, char *iface_name)
{
DIR *dir = opendir ("/etc/NetworkManager.d");
struct dirent *ent;
if (!dir)
{
fprintf (stderr, "nmd_execute_scripts(): opendir() could not open /etc/NetworkManager.d. errno = %d\n", errno);
return;
}
while (dir)
{
errno = 0;
if ((ent = readdir (dir)) != NULL)
{
struct stat s;
char path[500];
snprintf (path, 499, "/etc/NetworkManager.d/%s", ent->d_name);
if ((ent->d_name[0] != '.') && (stat (path, &s) == 0))
{
/* FIXME
* We should check the permissions and only execute files that
* are 0700 or 0500.
*/
if (S_ISREG (s.st_mode) && !S_ISLNK (s.st_mode) && (s.st_uid == 0))
{
char cmd[500];
snprintf (cmd, 499, "%s %s %s", path, iface_name,
(action == NMD_DEVICE_NOW_INACTIVE ? "down" :
(action == NMD_DEVICE_NOW_ACTIVE ? "up" : "error")));
system (cmd);
}
}
else fprintf( stderr, "d_name = %s, errno = %d\n", ent->d_name, errno);
}
}
closedir (dir);
}
/*
* nmd_get_device_name
*
* Queries NetworkManager for the name of a device, specified by a device path
*/
char * nmd_get_device_name (DBusConnection *connection, char *path)
{
DBusMessage *message;
DBusMessage *reply;
DBusMessageIter iter;
DBusError error;
char *ret_string = NULL;
char *dbus_string;
message = dbus_message_new_method_call ("org.freedesktop.NetworkManager",
path,
"org.freedesktop.NetworkManager",
"getName");
if (message == NULL)
{
fprintf (stderr, "Couldn't allocate the dbus message\n");
return (NULL);
}
dbus_error_init (&error);
reply = dbus_connection_send_with_reply_and_block (connection, message, -1, &error);
if (dbus_error_is_set (&error))
{
fprintf (stderr, "%s raised:\n %s\n\n", error.name, error.message);
dbus_message_unref (message);
return (NULL);
}
if (reply == NULL)
{
fprintf( stderr, "dbus reply message was NULL\n" );
dbus_message_unref (message);
return (NULL);
}
/* now analyze reply */
dbus_message_iter_init (reply, &iter);
dbus_string = dbus_message_iter_get_string (&iter);
ret_string = (dbus_string == NULL ? NULL : strdup (dbus_string));
if (!ret_string)
fprintf (stderr, "NetworkManager returned a NULL device name" );
dbus_free (dbus_string);
dbus_message_unref (reply);
dbus_message_unref (message);
return (ret_string);
}
/*
* nmd_dbus_filter
*
* Handles dbus messages from NetworkManager, dispatches device active/not-active messages
*/
static DBusHandlerResult nmd_dbus_filter (DBusConnection *connection, DBusMessage *message, void *user_data)
{
const char *object_path;
DBusError error;
char *dev_object_path = NULL;
gboolean handled = FALSE;
NMDAction action = NMD_DEVICE_DONT_KNOW;
dbus_error_init (&error);
object_path = dbus_message_get_path (message);
fprintf (stderr, "*** in filter_func, object_path=%s\n", object_path);
if (dbus_message_is_signal (message, "org.freedesktop.NetworkManager", "DeviceNoLongerActive"))
{
if (dbus_message_get_args (message, &error, DBUS_TYPE_STRING, &dev_object_path, DBUS_TYPE_INVALID))
{
fprintf (stderr, "Device %s no longer active\n", dev_object_path);
handled = TRUE;
dbus_free (dev_object_path);
}
}
action = NMD_DEVICE_NOW_INACTIVE;
else if (dbus_message_is_signal (message, "org.freedesktop.NetworkManager", "DeviceNowActive"))
action = NMD_DEVICE_NOW_ACTIVE;
if (action != NMD_DEVICE_DONT_KNOW)
{
if (dbus_message_get_args (message, &error, DBUS_TYPE_STRING, &dev_object_path, DBUS_TYPE_INVALID))
{
fprintf (stderr, "Device %s now active\n", dev_object_path);
handled = TRUE;
char *dev_iface_name = nmd_get_device_name (connection, dev_object_path);
fprintf (stderr, "Device %s (%s) now has state %d.\n", dev_object_path, dev_iface_name, action);
nmd_execute_scripts (action, dev_iface_name);
free (dev_iface_name);
dbus_free (dev_object_path);
handled = TRUE;
}
}
@ -133,6 +252,7 @@ int main( int argc, char *argv[] )
{
gboolean become_daemon = TRUE;
GMainLoop *loop = NULL;
DBusConnection *connection = NULL;
/* Parse options */
while (1)