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Fixed memory error in RESTCONF PATCH/PUT when accessing top-level data node.

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This commit is contained in:
Olof hagsand 2020-12-09 13:38:57 +01:00
parent b8641f30bd
commit d6db28c47a
3 changed files with 28 additions and 7 deletions
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28
apps/restconf/restconf_methods.c
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@ -479,10 +479,22 @@ api_data_write(clicon_handle h,
* Replace xparent with x, ie bottom of api-path with data
*/
dname = xml_name(xdata);
if (api_path==NULL && strcmp(dname,"data")==0){
if (api_path==NULL) {
if (strcmp(dname, "data")!=0){
if (netconf_bad_element_xml(&xerr, "application", dname,
"Data element does not match top-level data") < 0)
goto done;
if ((xe = xpath_first(xerr, NULL, "rpc-error")) == NULL){
clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
goto done;
}
if (api_return_err(h, req, xe, pretty, media_out, 0) < 0)
goto done;
goto ok;
}
if (xml_addsub(NULL, xdata) < 0)
goto done;
if (xtop)
if (xtop) /* also xbot */
xml_free(xtop);
xtop = xdata;
xml_name_set(xtop, "config");
@ -494,7 +506,7 @@ api_data_write(clicon_handle h,
goto done;
}
}
else {
else { /* api-path != NULL */
/* There is an api-path that defines an element in the datastore tree.
* Not top-of-tree.
*/
@ -502,7 +514,8 @@ api_data_write(clicon_handle h,
/* Check same symbol in api-path as data */
if (strcmp(dname, xml_name(xbot))){
if (netconf_operation_failed_xml(&xerr, "protocol", "Not same symbol in api-path as data") < 0)
if (netconf_bad_element_xml(&xerr, "application", dname,
"Data element does not match api-path") < 0)
goto done;
if ((xe = xpath_first(xerr, NULL, "rpc-error")) == NULL){
clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
@ -564,8 +577,9 @@ api_data_write(clicon_handle h,
}
}
}
xml_purge(xbot);
if (xml_addsub(xparent, xdata) < 0)
if (xtop != xbot) /* Should always be true */
xml_purge(xbot);
if (xml_addsub(xparent, xdata) < 0)
goto done;
/* If restconf insert/point attributes are present, translate to netconf */
if (restconf_insert_attributes(xdata, qvec) < 0)
@ -584,7 +598,7 @@ api_data_write(clicon_handle h,
if (namespace && strcmp(namespace, xml_value(xa))==0)
xml_purge(xa);
}
}
} /* api-path != NULL */
/* For internal XML protocol: add username attribute for access control
*/
username = clicon_username_get(h);