int *server_can_cb)
{
char *list, *listp;
- size_t i;
- const char *p, *start = NULL;
+ size_t i, mechslen, start;
*count = 0;
*server_can_cb = 0;
- listp = list = utils->malloc(strlen(mechs) + 1);
+ if (mechs == NULL || mechs[0] == '\0')
+ return SASL_NOMECH;
+
+ mechslen = strlen(mechs);
+
+ listp = list = utils->malloc(mechslen + 1);
if (list == NULL)
return SASL_NOMEM;
+ /* xxx confirm this with rfc 2222
+ * SASL mechanism allowable characters are "AZaz-_"
+ * seperators can be any other characters and of any length
+ * even variable lengths between
+ *
+ * Apps should be encouraged to simply use space or comma space
+ * though
+ */
+#define ismechchar(c) (isalnum((c)) || (c) == '_' || (c) == '-')
do {
- for (start = p = mechs, i = 0; *p != '\0'; p++) {
- if (isspace(*p) || p[1] == '\0') {
- size_t len = p - start;
-
- if (p[1] == '\0')
- len++;
-
- if (_mech_plus_p(start, len) == has_cb_data) {
- memcpy(listp, start, len);
+ for (i = start = 0; i <= mechslen; i++) {
+ if (!ismechchar(mechs[i])) {
+ const char *mechp = &mechs[start];
+ size_t len = i - start;
+
+ if (len != 0 &&
+ _mech_plus_p(mechp, len) == has_cb_data) {
+ memcpy(listp, mechp, len);
listp[len] = '\0';
listp += len + 1;
(*count)++;
if (*server_can_cb == 0 && has_cb_data)
*server_can_cb = 1;
}
- start = p + 1;
+ start = ++i;
}
}
if (has_cb_data)
break;
} while (1);
- *listp = '\0';
*ordered_mechs = list;
return SASL_OK;
* SASL_INTERACT -- user interaction needed to fill in prompt_need list
*/
-/* xxx confirm this with rfc 2222
- * SASL mechanism allowable characters are "AZaz-_"
- * seperators can be any other characters and of any length
- * even variable lengths between
- *
- * Apps should be encouraged to simply use space or comma space
- * though
- */
int sasl_client_start(sasl_conn_t *conn,
const char *mechlist,
sasl_interact_t **prompt_need,
if (SASL_CB_PRESENT(c_conn->cparams)) {
if (server_can_cb == 0 && SASL_CB_CRITICAL(c_conn->cparams)) {
- result = SASL_NOMECH;
+ result = SASL_BADBINDING;
goto done;
} else {
cbindingdisp = SASL_CB_DISP_WANT;