experiments/clixon
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* State callbacks provided by user are validated. If they are invalid an internal error is returned.

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* Fixed multi-namespace for augmented state which was not covered in 4.2.0.
* The multi-namespace augment state may rearrange the XML namespace attributes.
* Mandatory variables can no longer be deleted.
This commit is contained in:
Olof hagsand 2019-11-11 21:03:11 +01:00
parent 728fe9c6ac
commit 835f9030d2
20 changed files with 299 additions and 229 deletions
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28
apps/backend/backend_plugin.c
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@ -111,6 +111,7 @@ clixon_plugin_statedata(clicon_handle h,
{
int retval = -1;
int ret;
cxobj *xerr = NULL;
cxobj *x = NULL;
clixon_plugin *cp = NULL;
plgstatedata_t *fn; /* Plugin statedata fn */
@ -124,6 +125,31 @@ clixon_plugin_statedata(clicon_handle h,
goto fail; /* Dont quit here on user callbacks */
if (xml_apply(x, CX_ELMNT, xml_spec_populate, yspec) < 0)
goto done;
/* Check XML from state callback by validating it. return internal
* error with error cause
*/
if ((ret = xml_yang_validate_all_top(h, x, &xerr)) < 0)
goto done;
if (ret > 0 && (ret = xml_yang_validate_add(h, x, &xerr)) < 0)
goto done;
if (ret == 0){
cbuf *cberr = NULL; /* XXX Cumbersome, try to fold into one cb */
cbuf *cberr2 = NULL;
if (netconf_err2cb(xpath_first(xerr, "rpc-error"), &cberr) < 0)
goto done;
if ((cberr2 = cbuf_new()) == NULL){
clicon_err(OE_UNIX, errno, "cbuf_new");
goto done;
}
cprintf(cberr2, "Internal error: state callback returned invalid XML: %s", cbuf_get(cberr));
if (netconf_operation_failed_xml(xret, "application", cbuf_get(cberr2))< 0)
goto done;
if (cberr)
cbuf_free(cberr);
if (cberr2)
cbuf_free(cberr2);
goto fail;
}
if ((ret = netconf_trymerge(x, yspec, xret)) < 0)
goto done;
if (ret == 0)
@ -137,6 +163,8 @@ clixon_plugin_statedata(clicon_handle h,
done:
if (x)
xml_free(x);
if (xerr)
xml_free(xerr);
return retval;
fail:
retval = 0;