/*
* This is a wrapper for the system call getdomainname which returns a
* ypclnt.h error code in the failure case. It also checks to see that
* the domain name is non-null, knowing that the null string is going to
* get rejected elsewhere in the NIS client package.
*/
int
__rpc_get_default_domain(char **domain)
{
if ((*domain = get_default_domain()) != NULL)
return (0);
return (-1);
}
int
nfs4_get_default_domain(char *server, char *domain, size_t len)
{
char *d = get_default_domain();
if (strlen(d) + 1 > len)
return -ERANGE;
strcpy(domain, d);
return 0;
}
int nfs4_init_name_mapping(char *conffile)
{
int ret = -ENOENT;
char *method;
int dflt = 0;
struct conf_list *nfs4_methods, *gss_methods;
/* XXX: need to be able to reload configurations... */
if (nfs4_plugins) /* already succesfully initialized */
return 0;
if (conffile)
conf_path = conffile;
else
conf_path = PATH_IDMAPDCONF;
conf_init();
default_domain = conf_get_str("General", "Domain");
if (default_domain == NULL) {
dflt = 1;
ret = domain_from_dns(&default_domain);
if (ret) {
IDMAP_LOG(1, ("libnfsidmap: Unable to determine "
"the NFSv4 domain; Using '%s' as the NFSv4 domain "
"which means UIDs will be mapped to the 'Nobody-User' "
"user defined in %s\n",
IDMAPD_DEFAULT_DOMAIN, PATH_IDMAPDCONF));
default_domain = IDMAPD_DEFAULT_DOMAIN;
}
}
IDMAP_LOG(1, ("libnfsidmap: using%s domain: %s\n",
(dflt ? " (default)" : ""), default_domain));
/* 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 */
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 -ENOMEM;
local_realms->cnt = 0;
TAILQ_INIT(&local_realms->fields);
node = calloc(1, sizeof *node);
if (node == NULL)
return -ENOMEM;
node->field = strdup(get_default_domain());
if (node->field == NULL)
return -ENOMEM;
toupper_str(node->field);
TAILQ_INSERT_TAIL(&local_realms->fields, node, link);
local_realms->cnt++;
}
nfs4_methods = conf_get_list("Translation", "Method");
if (nfs4_methods) {
IDMAP_LOG(1, ("libnfsidmap: processing 'Method' list\n"));
if (load_plugins(nfs4_methods, &nfs4_plugins) == -1)
return -ENOENT;
} else {
struct conf_list list;
struct conf_list_node node;
TAILQ_INIT(&list.fields);
list.cnt = 1;
node.field = "nsswitch";
TAILQ_INSERT_TAIL (&list.fields, &node, link);
if (load_plugins(&list, &nfs4_plugins) == -1)
return -ENOENT;
}
gss_methods = conf_get_list("Translation", "GSS-Methods");
if (gss_methods) {
IDMAP_LOG(1, ("libnfsidmap: processing 'GSS-Methods' list\n"));
if (load_plugins(gss_methods, &gss_plugins) == -1)
goto out;
}
ret = 0;
out:
if (ret) {
if (nfs4_plugins)
unload_plugins(nfs4_plugins);
if (gss_plugins)
unload_plugins(gss_plugins);
nfs4_plugins = gss_plugins = NULL;
}
return ret ? -ENOENT: 0;
}
