/*
* load zfs_fuid_t's and fuid_domains into fuid_info_t
*/
static zfs_fuid_info_t *
zfs_replay_fuids(void *start, void **end, int idcnt, int domcnt, uint64_t uid,
uint64_t gid)
{
uint64_t *log_fuid = (uint64_t *)start;
zfs_fuid_info_t *fuid_infop;
int i;
fuid_infop = zfs_fuid_info_alloc();
fuid_infop->z_domain_cnt = domcnt;
fuid_infop->z_domain_table =
kmem_zalloc(domcnt * sizeof (char **), KM_SLEEP);
for (i = 0; i != idcnt; i++) {
zfs_fuid_t *zfuid;
zfuid = kmem_alloc(sizeof (zfs_fuid_t), KM_SLEEP);
zfuid->z_logfuid = *log_fuid;
zfuid->z_id = -1;
zfuid->z_domidx = 0;
list_insert_tail(&fuid_infop->z_fuids, zfuid);
log_fuid++;
}
zfs_replay_fuid_ugid(fuid_infop, uid, gid);
*end = zfs_replay_fuid_domain_common(fuid_infop, log_fuid, domcnt);
return (fuid_infop);
}
/*
* Add a FUID node to the list of fuid's being created for this
* ACL
*
* If ACL has multiple domains, then keep only one copy of each unique
* domain.
*/
void
zfs_fuid_node_add(zfs_fuid_info_t **fuidpp, const char *domain, uint32_t rid,
uint64_t idx, uint64_t id, zfs_fuid_type_t type)
{
zfs_fuid_t *fuid;
zfs_fuid_domain_t *fuid_domain;
zfs_fuid_info_t *fuidp;
uint64_t fuididx;
boolean_t found = B_FALSE;
if (*fuidpp == NULL)
*fuidpp = zfs_fuid_info_alloc();
fuidp = *fuidpp;
/*
* First find fuid domain index in linked list
*
* If one isn't found then create an entry.
*/
for (fuididx = 1, fuid_domain = list_head(&fuidp->z_domains);
fuid_domain; fuid_domain = list_next(&fuidp->z_domains,
fuid_domain), fuididx++) {
if (idx == fuid_domain->z_domidx) {
found = B_TRUE;
break;
}
}
if (!found) {
fuid_domain = kmem_alloc(sizeof (zfs_fuid_domain_t), KM_SLEEP);
fuid_domain->z_domain = domain;
fuid_domain->z_domidx = idx;
list_insert_tail(&fuidp->z_domains, fuid_domain);
fuidp->z_domain_str_sz += strlen(domain) + 1;
fuidp->z_domain_cnt++;
}
if (type == ZFS_ACE_USER || type == ZFS_ACE_GROUP) {
/*
* Now allocate fuid entry and add it on the end of the list
*/
fuid = kmem_alloc(sizeof (zfs_fuid_t), KM_SLEEP);
fuid->z_id = id;
fuid->z_domidx = idx;
fuid->z_logfuid = FUID_ENCODE(fuididx, rid);
list_insert_tail(&fuidp->z_fuids, fuid);
fuidp->z_fuid_cnt++;
} else {
if (type == ZFS_OWNER)
fuidp->z_fuid_owner = FUID_ENCODE(fuididx, rid);
else
fuidp->z_fuid_group = FUID_ENCODE(fuididx, rid);
}
}
/*
* Load fuid domains into fuid_info_t
*/
static zfs_fuid_info_t *
zfs_replay_fuid_domain(void *buf, void **end, uint64_t uid, uint64_t gid)
{
int domcnt;
zfs_fuid_info_t *fuid_infop;
fuid_infop = zfs_fuid_info_alloc();
domcnt = zfs_replay_domain_cnt(uid, gid);
if (domcnt == 0)
return (fuid_infop);
fuid_infop->z_domain_table =
kmem_zalloc(domcnt * sizeof (char **), KM_SLEEP);
zfs_replay_fuid_ugid(fuid_infop, uid, gid);
fuid_infop->z_domain_cnt = domcnt;
*end = zfs_replay_fuid_domain_common(fuid_infop, buf, domcnt);
return (fuid_infop);
}
