char *
logfsisgroupsetleader(LogfsIdentityStore *is, char *groupname, char *leadername)
{
Group *g, *lg;
groupname = logfsisustadd(is, groupname);
if(groupname == nil)
return Enomem;
g = findgroupfromuname(is, groupname);
if(g == nil)
return Enonexist;
if(leadername && leadername[0]) {
leadername = logfsisustadd(is, leadername);
if(leadername == nil)
return Enomem;
lg = findgroupfromuname(is, leadername);
if(lg == nil)
return Enonexist;
if(!logfsgroupsetismember(g->members, lg))
return "not a member of the group";
g->leader = lg;
}
else
g->leader = nil;
return nil;
}
char *
logfsisgroupcreate(LogfsIdentityStore *is, char *groupname, char *groupid)
{
Group *group;
Uname *uname;
if(strcmp(groupname, logfsisgroupnonename) == 0 || groupname[0] == '(')
return "group name reserved";
groupname = logfsisustadd(is, groupname);
groupid = logfsisustadd(is, groupid);
if(groupname == nil || groupid == nil)
return Enomem;
return logfsgroupmapnewentry(is->groupmap, is->unamemap, groupid, groupname, &group, &uname);
}
char *
logfsisgrouprename(LogfsIdentityStore *is, char *oldgroupname, char *newgroupname)
{
Group *og, *ng;
oldgroupname = logfsisustadd(is, oldgroupname);
if(oldgroupname == nil)
return Enomem;
og =findgroupfromuname(is, oldgroupname);
if(og == nil)
return Enonexist;
newgroupname = logfsisustadd(is, newgroupname);
if(newgroupname == nil)
return Enomem;
ng = findgroupfromuname(is, newgroupname);
if(ng != nil)
return Eexist;
og->uname = newgroupname;
return nil;
}
static
mkdirentry(LogfsServer *server, Entry *e, int inuse, ulong path, Entry *parent, char *name, char *uid, char *gid,
ulong mtime, char *muid, ulong perm)
{
//print("mkdirentry 0x%.8lux\n", e);
e->inuse = inuse;
e->qid.path = path;
e->qid.vers = 0;
e->qid.type = QTDIR;
e->parent = parent;
e->name = name;
e->uid = logfsisustadd(server->is, uid);
e->gid = logfsisustadd(server->is, gid);
e->mtime = mtime;
e->muid = logfsisustadd(server->is, muid);
e->perm = perm | DMDIR;
e->next = nil;
return e->uid != nil && e->muid != nil && e->name != nil;
}
char *
logfsisgroupaddmember(LogfsIdentityStore *is, char *groupname, char *membername)
{
Group *g, *mg;
groupname = logfsisustadd(is, groupname);
if(groupname == nil)
return Enomem;
g =findgroupfromuname(is, groupname);
if(g == nil)
return Enonexist;
membername = logfsisustadd(is, membername);
if(membername == nil)
return Enomem;
mg = findgroupfromuname(is, membername);
if(mg == nil)
return Enonexist;
if(!logfsgroupsetadd(g->members, mg))
return Enomem;
return nil;
}
char *
logfsentrynew(LogfsServer *server, int inuse, u32int path, Entry *parent, char *name, char *uid, char *gid,
u32int mtime, char *muid, u32int perm, ulong cvers, ulong length, Entry **ep)
{
Entry *e;
char *errmsg;
e = logfsrealloc(nil, sizeof(*e));
if(e == nil)
return Enomem;
e->inuse = inuse;
e->qid.path = path;
e->qid.vers = 0;
e->qid.type = perm >> 24;
e->parent = parent;
e->name = logfsstrdup(name);
e->uid = logfsisustadd(server->is, uid);
e->gid = logfsisustadd(server->is, gid);
e->muid = logfsisustadd(server->is, muid);
if(e->uid == nil || e->gid == nil || e->muid == nil || e->name == nil) {
logfsentryfree(e);
return Enomem;
}
e->mtime = mtime;
if(perm & DMDIR)
e->perm = perm & (~0777 | (parent->perm & 0777));
else {
e->perm = perm & (~0666 | (parent->perm & 0666));
e->u.file.cvers = cvers;
e->u.file.length = length;
errmsg = logfsextentlistnew(&e->u.file.extent);
if(errmsg) {
logfsentryfree(e);
return errmsg;
}
}
//print("e 0x%.8lux perm 0%.uo\n", e, e->perm);
*ep = e;
return nil;
}
char *
logfsisgroupremovemember(LogfsIdentityStore *is, char *groupname, char *nonmembername)
{
Group *g, *nonmg;
groupname = logfsisustadd(is, groupname);
if(groupname == nil)
return Enomem;
g =findgroupfromuname(is, groupname);
if(g == nil)
return Enonexist;
nonmembername = logfsisustadd(is, nonmembername);
if(nonmembername == nil)
return Enomem;
nonmg = findgroupfromuname(is, nonmembername);
if(nonmg == nil)
return Enonexist;
if(!logfsgroupsetremove(g->members, nonmg))
return Enonexist;
if(g->leader == nonmg)
g->leader = nil;
return nil;
}
char *
logfsserverattach(LogfsServer *server, u32int fid, char *uname, Qid *qid)
{
char *errmsg;
Fid *f;
if(server->trace > 1)
print("logfsserverattach(%ud, %s)\n", fid, uname);
errmsg = logfsfidmapnewentry(server->fidmap, fid, &f);
if(errmsg)
return errmsg;
f->uname = logfsisustadd(server->is, uname);
if(f->uname == nil) {
logfsfidmapclunk(server->fidmap, fid);
return Enomem;
}
f->entry = &server->root;
f->entry->inuse++;
*qid = f->entry->qid;
return nil;
}
