}
if (create_resp != 0) {
if (uid == 0 && root_uses_machine_creds == 1) {
+ int nocache = 0;
int success = 0;
-
- gssd_refresh_krb5_machine_credential(clp->servername,
- NULL);
- /*
- * Get a list of credential cache names and try each
- * of them until one works or we've tried them all
- */
- if (gssd_get_krb5_machine_cred_list(&credlist)) {
- printerr(0, "ERROR: No credentials found "
- "for connection to server %s\n",
- clp->servername);
- goto out_return_error;
- }
- for (ccname = credlist; ccname && *ccname; ccname++) {
- gssd_setup_krb5_machine_gss_ccache(*ccname);
- if ((create_auth_rpc_client(clp, &rpc_clnt,
- &auth, uid,
- AUTHTYPE_KRB5)) == 0) {
- /* Success! */
- success++;
- break;
+ do {
+ gssd_refresh_krb5_machine_credential(clp->servername,
+ NULL, nocache);
+ /*
+ * Get a list of credential cache names and try each
+ * of them until one works or we've tried them all
+ */
+ if (gssd_get_krb5_machine_cred_list(&credlist)) {
+ printerr(0, "ERROR: No credentials found "
+ "for connection to server %s\n",
+ clp->servername);
+ goto out_return_error;
}
- printerr(2, "WARNING: Failed to create krb5 context "
- "for user with uid %d with credentials "
- "cache %s for server %s\n",
- uid, *ccname, clp->servername);
- }
- gssd_free_krb5_machine_cred_list(credlist);
- if (!success) {
- printerr(1, "WARNING: Failed to create krb5 context "
- "for user with uid %d with any "
- "credentials cache for server %s\n",
- uid, clp->servername);
- goto out_return_error;
- }
+ for (ccname = credlist; ccname && *ccname; ccname++) {
+ gssd_setup_krb5_machine_gss_ccache(*ccname);
+ if ((create_auth_rpc_client(clp, &rpc_clnt,
+ &auth, uid,
+ AUTHTYPE_KRB5)) == 0) {
+ /* Success! */
+ success++;
+ break;
+ }
+ printerr(2, "WARNING: Failed to create machine krb5 context "
+ "with credentials cache %s for server %s\n",
+ *ccname, clp->servername);
+ }
+ gssd_free_krb5_machine_cred_list(credlist);
+ if (!success) {
+ if(nocache == 0) {
+ nocache++;
+ printerr(2, "WARNING: Machine cache is prematurely expired or corrupted "
+ "trying to recreate cache for server %s\n", clp->servername);
+ } else {
+ printerr(1, "WARNING: Failed to create machine krb5 context "
+ "with any credentials cache for server %s\n",
+ clp->servername);
+ goto out_return_error;
+ }
+ }
+ } while(!success);
} else {
printerr(1, "WARNING: Failed to create krb5 context "
"for user with uid %d for server %s\n",