bool idmapper_init(void)
{
#ifdef USE_NFSIDMAP
if (!nfs_param.nfsv4_param.use_getpwnam) {
if (nfs4_init_name_mapping(nfs_param.nfsv4_param.idmapconf)
!= 0) {
return false;
}
owner_domain.addr = gsh_malloc(NFS4_MAX_DOMAIN_LEN + 1);
if (owner_domain.addr == NULL)
return false;
if (nfs4_get_default_domain
(NULL, owner_domain.addr, NFS4_MAX_DOMAIN_LEN) != 0) {
gsh_free(owner_domain.addr);
return false;
}
owner_domain.len = strlen(owner_domain.addr);
}
#endif /* USE_NFSIDMAP */
if (nfs_param.nfsv4_param.use_getpwnam) {
owner_domain.addr = gsh_strdup(nfs_param.nfsv4_param
.domainname);
if (owner_domain.addr == NULL)
return false;
owner_domain.len = strlen(nfs_param.nfsv4_param.domainname);
}
idmapper_cache_init();
return true;
}
/* Get list of "local equivalent" realms. Meaning the list of realms * where [email protected] is considered the same user as [email protected] * If not specified, default to upper-case of local domain name */ struct conf_list *get_local_realms(void) { static struct conf_list *local_realms = NULL; if (local_realms) return local_realms; local_realms = conf_get_list("General", "Local-Realms"); if (local_realms == NULL) { struct conf_list_node *node; local_realms = malloc(sizeof *local_realms); if (local_realms == NULL) return NULL; local_realms->cnt = 0; TAILQ_INIT(&local_realms->fields); node = calloc(1, sizeof *node); if (node == NULL) return NULL; node->field = calloc(1, NFS4_MAX_DOMAIN_LEN); if (node->field == NULL) { free(node); return NULL; } nfs4_get_default_domain(NULL, node->field, NFS4_MAX_DOMAIN_LEN); toupper_str(node->field); TAILQ_INSERT_TAIL(&local_realms->fields, node, link); local_realms->cnt++; } return local_realms; }
/*
* Find the name@domain string from either a user or group id
*/
int name_lookup(char *id, key_serial_t key, int type)
{
char name[IDMAP_NAMESZ];
char domain[NFS4_MAX_DOMAIN_LEN];
uid_t uid;
gid_t gid;
int rc;
rc = nfs4_get_default_domain(NULL, domain, NFS4_MAX_DOMAIN_LEN);
if (rc != 0) {
xlog_errno(rc,
"name_lookup: nfs4_get_default_domain failed: %m");
rc = -1;
goto out;
}
if (type == USER) {
uid = atoi(id);
rc = nfs4_uid_to_name(uid, domain, name, IDMAP_NAMESZ);
} else {
gid = atoi(id);
rc = nfs4_gid_to_name(gid, domain, name, IDMAP_NAMESZ);
}
if (rc < 0)
xlog_errno(rc, "name_lookup: %s: failed: %m",
(type == USER ? "nfs4_uid_to_name" : "nfs4_gid_to_name"));
if (rc == 0) {
rc = keyctl_instantiate(key, &name, strlen(name), 0);
if (rc < 0)
xlog_err("name_lookup: keyctl_instantiate failed: %m");
}
out:
return rc;
}
int nfsidmap_set_conf()
{
if(!nfsidmap_conf_read)
{
if(nfs4_init_name_mapping(_PATH_IDMAPDCONF))
return 0;
if(nfs4_get_default_domain(NULL, idmap_domain, sizeof(idmap_domain)))
return 0;
nfsidmap_conf_read = TRUE;
}
return 1;
}
static int display_default_domain(void)
{
char domain[NFS4_MAX_DOMAIN_LEN];
int rc;
rc = nfs4_get_default_domain(NULL, domain, NFS4_MAX_DOMAIN_LEN);
if (rc) {
xlog_errno(rc, "nfs4_get_default_domain failed: %m");
return EXIT_FAILURE;
}
printf("%s\n", domain);
return EXIT_SUCCESS;
}
