/// <summary>Refresh the netgroup cache</summary>
/// <exception cref="System.IO.IOException"/>
public override void CacheGroupsRefresh()
{
IList <string> groups = NetgroupCache.GetNetgroupNames();
NetgroupCache.Clear();
CacheGroupsAdd(groups);
}
/// <summary>Gets unix groups and netgroups for the user.</summary>
/// <remarks>
/// Gets unix groups and netgroups for the user.
/// It gets all unix groups as returned by id -Gn but it
/// only returns netgroups that are used in ACLs (there is
/// no way to get all netgroups for a given user, see
/// documentation for getent netgroup)
/// </remarks>
/// <exception cref="System.IO.IOException"/>
public override IList <string> GetGroups(string user)
{
// parent gets unix groups
IList <string> groups = new List <string>(base.GetGroups(user));
NetgroupCache.GetNetgroups(user, groups);
return(groups);
}
public virtual void TestUserRemoval()
{
IList <string> users = new AList <string>();
users.AddItem(User1);
users.AddItem(User2);
NetgroupCache.Add(Group1, users);
VerifyGroupMembership(User1, 1, Group1);
VerifyGroupMembership(User2, 1, Group1);
users.Remove(User2);
NetgroupCache.Clear();
NetgroupCache.Add(Group1, users);
VerifyGroupMembership(User1, 1, Group1);
VerifyGroupMembership(User2, 0, null);
}
public virtual void TestMembership()
{
IList <string> users = new AList <string>();
users.AddItem(User1);
users.AddItem(User2);
NetgroupCache.Add(Group1, users);
users = new AList <string>();
users.AddItem(User1);
users.AddItem(User3);
NetgroupCache.Add(Group2, users);
VerifyGroupMembership(User1, 2, Group1);
VerifyGroupMembership(User1, 2, Group2);
VerifyGroupMembership(User2, 1, Group1);
VerifyGroupMembership(User3, 1, Group2);
}
/// <summary>Add a group to cache, only netgroups are cached</summary>
/// <param name="groups">list of group names to add to cache</param>
/// <exception cref="System.IO.IOException"/>
public override void CacheGroupsAdd(IList <string> groups)
{
foreach (string group in groups)
{
if (group.Length == 0)
{
}
else
{
// better safe than sorry (should never happen)
if (group[0] == '@')
{
if (!NetgroupCache.IsCached(group))
{
NetgroupCache.Add(group, GetUsersForNetgroup(group));
}
}
}
}
}
private void VerifyGroupMembership(string user, int size, string group)
{
IList <string> groups = new AList <string>();
NetgroupCache.GetNetgroups(user, groups);
Assert.Equal(size, groups.Count);
if (size > 0)
{
bool present = false;
foreach (string groupEntry in groups)
{
if (groupEntry.Equals(group))
{
present = true;
break;
}
}
Assert.True(present);
}
}
public virtual void Teardown()
{
NetgroupCache.Clear();
}