static krb5_error_code get_from_os(char *name_buf, unsigned int name_size)
{
krb5_error_code result = 0;
cc_context_t cc_context = NULL;
cc_string_t default_name = NULL;
cc_int32 ccerr = cc_initialize (&cc_context, ccapi_version_3, NULL, NULL);
if (ccerr == ccNoError) {
ccerr = cc_context_get_default_ccache_name (cc_context, &default_name);
}
if (ccerr == ccNoError) {
if (strlen (default_name -> data) + 5 > name_size) {
result = ENOMEM;
goto cleanup;
} else {
snprintf (name_buf, name_size, "API:%s",
default_name -> data);
}
}
cleanup:
if (cc_context != NULL) {
cc_context_release (cc_context);
}
if (default_name != NULL) {
cc_string_release (default_name);
}
return result;
}
static void
UpdateDefaultCache (void)
{
cc_string_t name;
cc_int32 cc_err = ccNoError;
cc_context_t cc_context = NULL;
cc_int32 cc_version;
cc_err = cc_initialize (&cc_context, ccapi_version_3, &cc_version, NULL);
if (cc_err == ccNoError) {
cc_err = cc_context_get_default_ccache_name (cc_context, &name);
}
if (cc_err == ccNoError) {
krb_set_tkt_string ((char*) name -> data);
cc_string_release (name);
}
if (cc_context != NULL)
cc_context_release (cc_context);
}
/*
* resolve
*
* create a new cache with the name stored in residual
*/
krb5_error_code KRB5_CALLCONV
krb5_stdccv3_resolve (krb5_context context, krb5_ccache *id , const char *residual )
{
krb5_error_code err = 0;
stdccCacheDataPtr ccapi_data = NULL;
krb5_ccache ccache = NULL;
char *name = NULL;
cc_string_t defname = NULL;
if (id == NULL) { err = KRB5_CC_NOMEM; }
if (!err) {
err = stdccv3_setup (context, NULL);
}
if (!err) {
ccapi_data = (stdccCacheDataPtr) malloc (sizeof (*ccapi_data));
if (!ccapi_data) { err = KRB5_CC_NOMEM; }
}
if (!err) {
ccache = (krb5_ccache ) malloc (sizeof (*ccache));
if (!ccache) { err = KRB5_CC_NOMEM; }
}
if (!err) {
if ((residual == NULL) || (strlen(residual) == 0)) {
err = cc_context_get_default_ccache_name(gCntrlBlock, &defname);
if (defname)
residual = defname->data;
}
}
if (!err) {
name = strdup (residual);
if (!name) { err = KRB5_CC_NOMEM; }
}
if (!err) {
err = cc_context_open_ccache (gCntrlBlock, residual,
&ccapi_data->NamedCache);
if (err == ccErrCCacheNotFound) {
ccapi_data->NamedCache = NULL;
err = 0; /* ccache just doesn't exist yet */
}
}
if (!err) {
ccapi_data->cache_name = name;
name = NULL; /* take ownership */
ccache->ops = &krb5_cc_stdcc_ops;
ccache->data = ccapi_data;
ccapi_data = NULL; /* take ownership */
*id = ccache;
ccache = NULL; /* take ownership */
}
if (ccache) { free (ccache); }
if (ccapi_data) { free (ccapi_data); }
if (name) { free (name); }
if (defname) { cc_string_release(defname); }
return cc_err_xlate (err);
}
