experiments/clixon
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* Changed so that 400 Bad Request are for invalid api-path or unknown yang elements, 404 Not Found for valid xml when object not found.

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This commit is contained in:
Olof hagsand 2019-10-07 22:20:34 +02:00
parent 6e41592aec
commit 8cdb0bb062
13 changed files with 189 additions and 107 deletions
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5
apps/restconf/README.md
View file

@ -209,4 +209,9 @@ sudo gdb /www-data/clixon_restconf
but you need to ensure /www-data/fastcgi_restconf.sock has the following access:
```
rwxr-xr-x 1 www-data www-data 0 sep 22 11:46 /www-data/fastcgi_restconf.sock
```
You can set debug level of the backend via restconf:
```
url -is -X POST -H "Content-Type: application/yang-data+json" -d '{"clixon-lib:input":{"level":1}}' http://localhost/restconf/operations/clixon-lib:debug
```

14
apps/restconf/restconf_methods.c
View file

@ -338,14 +338,9 @@ api_data_write(clicon_handle h,
/* Translate api_path to xml in the form of xtop/xbot */
xbot = xtop;
if (api_path){ /* If URI, otherwise top data/config object */
if ((ret = api_path2xml(api_path, yspec, xtop, YC_DATANODE, 1, &xbot, &ybot)) < 0)
if ((ret = api_path2xml(api_path, yspec, xtop, YC_DATANODE, 1, &xbot, &ybot, &xerr)) < 0)
goto done;
if (ybot)
ymodapi = ys_module(ybot);
if (ret == 0){ /* validation failed */
if (netconf_malformed_message_xml(&xerr, clicon_err_reason) < 0)
goto done;
clicon_err_reset();
if ((xe = xpath_first(xerr, "rpc-error")) == NULL){
clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
goto done;
@ -354,6 +349,8 @@ api_data_write(clicon_handle h,
goto done;
goto ok;
}
if (ybot)
ymodapi = ys_module(ybot);
}
/* 4.4.1: The message-body MUST contain exactly one instance of the
* expected data resource. (tested again below)
@ -841,12 +838,9 @@ api_data_delete(clicon_handle h,
goto done;
xbot = xtop;
if (api_path){
if ((ret = api_path2xml(api_path, yspec, xtop, YC_DATANODE, 1, &xbot, &y)) < 0)
if ((ret = api_path2xml(api_path, yspec, xtop, YC_DATANODE, 1, &xbot, &y, &xerr)) < 0)
goto done;
if (ret == 0){ /* validation failed */
if (netconf_malformed_message_xml(&xerr, clicon_err_reason) < 0)
goto done;
clicon_err_reset();
if ((xe = xpath_first(xerr, "rpc-error")) == NULL){
clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
goto done;

1
apps/restconf/restconf_methods_get.c
View file

@ -172,7 +172,6 @@ api_data_get2(clicon_handle h,
if ((ret = api_path2xpath_cvv(pcvec, pi, yspec, cbpath, &nsc, &xerr)) < 0)
goto done;
if (ret == 0){
clicon_err_reset();
if ((xe = xpath_first(xerr, "rpc-error")) == NULL){
clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
goto done;

66
apps/restconf/restconf_methods_post.c
View file

@ -119,6 +119,7 @@ api_data_post(clicon_handle h,
yang_stmt *ymodapi = NULL; /* yang module of api-path (if any) */
yang_stmt *ymoddata = NULL; /* yang module of data (-d) */
yang_stmt *yspec;
yang_stmt *ydata;
cxobj *xa;
cxobj *xret = NULL;
cxobj *xretcom = NULL; /* return from commit */
@ -144,14 +145,9 @@ api_data_post(clicon_handle h,
/* Translate api_path to xtop/xbot */
xbot = xtop;
if (api_path){
if ((ret = api_path2xml(api_path, yspec, xtop, YC_DATANODE, 1, &xbot, &ybot)) < 0)
if ((ret = api_path2xml(api_path, yspec, xtop, YC_DATANODE, 1, &xbot, &ybot, &xerr)) < 0)
goto done;
if (ybot)
ymodapi = ys_module(ybot);
if (ret == 0){ /* validation failed */
if (netconf_malformed_message_xml(&xerr, clicon_err_reason) < 0)
goto done;
clicon_err_reset();
if ((xe = xpath_first(xerr, "rpc-error")) == NULL){
clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
goto done;
@ -160,6 +156,8 @@ api_data_post(clicon_handle h,
goto done;
goto ok;
}
if (ybot)
ymodapi = ys_module(ybot);
}
#if 1
if (debug){
@ -250,30 +248,9 @@ api_data_post(clicon_handle h,
goto done;
goto ok;
}
xdata = xml_child_i(xdata0,0);
/* If the api-path (above) defines a module, then xdata must have a prefix
* and it match the module defined in api-path.
* In a POST, maybe there are cornercases where xdata (which is a child) and
* xbot (which is the parent) may have non-matching namespaces?
* This does not apply if api-path is / (no module)
*/
xdata = xml_child_i(xdata0, 0);
if (ys_module_by_xml(yspec, xdata, &ymoddata) < 0)
goto done;
if (ymoddata && ymodapi){
if (ymoddata != ymodapi){
if (netconf_malformed_message_xml(&xerr, "Data is not prefixed with matching namespace") < 0)
goto done;
if ((xe = xpath_first(xerr, "rpc-error")) == NULL){
clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
goto done;
}
if (api_return_err(h, r, xe, pretty, media_out, 0) < 0)
goto done;
goto ok;
}
}
/* Add operation (create/replace) as attribute */
if ((xa = xml_new("operation", xdata, NULL)) == NULL)
goto done;
@ -289,6 +266,34 @@ api_data_post(clicon_handle h,
nullspec = (xml_spec(xdata) == NULL);
if (xml_apply0(xdata, CX_ELMNT, xml_spec_populate, yspec) < 0)
goto done;
/* ybot is parent of spec(parent(data))) */
if (ymoddata && (ydata = xml_spec(xdata)) != NULL){
if (ys_real_module(ydata) != ymoddata){
if (netconf_malformed_message_xml(&xerr, "Data is not prefixed with matching namespace") < 0)
goto done;
if ((xe = xpath_first(xerr, "rpc-error")) == NULL){
clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
goto done;
}
if (api_return_err(h, r, xe, pretty, media_out, 0) < 0)
goto done;
goto ok;
}
/* If URI points out an object, then data's parent should be that object
*/
if (ybot && yang_parent_get(ydata) != ybot){
if (netconf_malformed_message_xml(&xerr, "Data is not prefixed with matching namespace") < 0)
goto done;
if ((xe = xpath_first(xerr, "rpc-error")) == NULL){
clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
goto done;
}
if (api_return_err(h, r, xe, pretty, media_out, 0) < 0)
goto done;
goto ok;
}
}
if (media_in == YANG_DATA_JSON && nullspec){
/* json2xml decode may not have been done above in json_parse,
need to be done here instead
@ -821,12 +826,9 @@ api_operations_post(clicon_handle h,
goto done;
/* Here xtop is: <rpc username="foo"/> */
}
if ((ret = api_path2xml(oppath, yspec, xtop, YC_SCHEMANODE, 1, &xbot, &y)) < 0)
if ((ret = api_path2xml(oppath, yspec, xtop, YC_SCHEMANODE, 1, &xbot, &y, &xerr)) < 0)
goto done;
if (ret == 0){ /* validation failed */
if (netconf_malformed_message_xml(&xerr, clicon_err_reason) < 0)
goto done;
clicon_err_reset();
if ((xe = xpath_first(xerr, "rpc-error")) == NULL){
clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
goto done;