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NACM RFC8341 datanode write paths

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This commit is contained in:
Olof hagsand 2020-04-18 17:45:47 +02:00
parent 0d4263e324
commit 8897df202e
5 changed files with 506 additions and 523 deletions
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5
CHANGELOG.md
View file

@ -26,9 +26,8 @@ Expected: May 2020
### Major New features
* NACM RFC341 datanode paths
* NACM datanode read paths
* NYI: NACM datanode paths for create/delete/update
* NACM RFC341 datanode read and write paths
* This completes the NACM RPC and Data node access checks (notification still remains)
### API changes on existing protocol/config features (You may have have to change how you use Clixon)

2
lib/clixon/clixon_xml.h
View file

@ -137,7 +137,7 @@ typedef struct xml cxobj; /* struct defined in clicon_xml.c */
*/
typedef int (xml_applyfn_t)(cxobj *x, void *arg);
typedef struct clixon_xml_vec clixon_xvec; /* struct defined in clicon_xvec.c */
typedef struct clixon_xml_vec clixon_xvec; /* struct defined in clicon_xml_vec.c */
/*
* xml_flag() flags:

30
lib/src/clixon_datastore_write.c
View file

@ -208,6 +208,7 @@ check_body_namespace(cxobj *x0,
* @param[in] y0 Yang spec corresponding to xml-node x0. NULL if x0 is NULL
* @param[in] x0p Parent of x0
* @param[in] x1 XML tree which modifies base
* @param[in] x1t Request root node (nacm needs this)
* @param[in] op OP_MERGE, OP_REPLACE, OP_REMOVE, etc
* @param[in] username User name of requestor for nacm
* @param[in] xnacm NACM XML tree (only if !permit)
@ -229,6 +230,7 @@ text_modify(clicon_handle h,
yang_stmt *y0,
cxobj *x0p,
cxobj *x1,
cxobj *x1t,
enum operation_type op,
char *username,
cxobj *xnacm,
@ -317,7 +319,7 @@ text_modify(clicon_handle h,
* of ordered-by user and (changed) insert attribute.
*/
if (!permit && xnacm){
if ((ret = nacm_datanode_write(h, NULL, x1, x0?NACM_UPDATE:NACM_CREATE, username, xnacm, cbret)) < 0)
if ((ret = nacm_datanode_write(h, x1t, x1, x0?NACM_UPDATE:NACM_CREATE, username, xnacm, cbret)) < 0)
goto done;
if (ret == 0)
goto fail;
@ -334,7 +336,7 @@ text_modify(clicon_handle h,
case OP_NONE: /* fall thru */
if (x0==NULL){
if ((op != OP_NONE) && !permit && xnacm){
if ((ret = nacm_datanode_write(h, NULL, x1, NACM_CREATE, username, xnacm, cbret)) < 0)
if ((ret = nacm_datanode_write(h, x1t, x1, NACM_CREATE, username, xnacm, cbret)) < 0)
goto done;
if (ret == 0)
goto fail;
@ -401,7 +403,7 @@ text_modify(clicon_handle h,
x0bstr = xml_value(x0b);
if (x0bstr==NULL || strcmp(x0bstr, x1bstr)){
if ((op != OP_NONE) && !permit && xnacm){
if ((ret = nacm_datanode_write(h, NULL, x1,
if ((ret = nacm_datanode_write(h, x1t, x1,
x0bstr==NULL?NACM_CREATE:NACM_UPDATE,
username, xnacm, cbret)) < 0)
goto done;
@ -427,7 +429,7 @@ text_modify(clicon_handle h,
case OP_REMOVE: /* fall thru */
if (x0){
if ((op != OP_NONE) && !permit && xnacm){
if ((ret = nacm_datanode_write(h, NULL, x0, NACM_DELETE, username, xnacm, cbret)) < 0)
if ((ret = nacm_datanode_write(h, x1t, x0, NACM_DELETE, username, xnacm, cbret)) < 0)
goto done;
if (ret == 0)
goto fail;
@ -489,7 +491,7 @@ text_modify(clicon_handle h,
* of ordered-by user and (changed) insert attribute.
*/
if (!permit && xnacm){
if ((ret = nacm_datanode_write(h, NULL, x1, x0?NACM_UPDATE:NACM_CREATE, username, xnacm, cbret)) < 0)
if ((ret = nacm_datanode_write(h, x1t, x1, x0?NACM_UPDATE:NACM_CREATE, username, xnacm, cbret)) < 0)
goto done;
if (ret == 0)
goto fail;
@ -515,7 +517,7 @@ text_modify(clicon_handle h,
if (op == OP_NONE)
break;
if (op==OP_MERGE && !permit && xnacm){
if ((ret = nacm_datanode_write(h, NULL, x0, x0?NACM_UPDATE:NACM_CREATE, username, xnacm, cbret)) < 0)
if ((ret = nacm_datanode_write(h, x1t, x0, x0?NACM_UPDATE:NACM_CREATE, username, xnacm, cbret)) < 0)
goto done;
if (ret == 0)
goto fail;
@ -532,7 +534,7 @@ text_modify(clicon_handle h,
} /* anyxml, anydata */
if (x0==NULL){
if (op==OP_MERGE && !permit && xnacm){
if ((ret = nacm_datanode_write(h, NULL, x1, NACM_CREATE, username, xnacm, cbret)) < 0)
if ((ret = nacm_datanode_write(h, x1t, x1, NACM_CREATE, username, xnacm, cbret)) < 0)
goto done;
if (ret == 0)
goto fail;
@ -603,7 +605,7 @@ text_modify(clicon_handle h,
x1cname = xml_name(x1c);
x0c = x0vec[i++];
yc = yang_find_datanode(y0, x1cname);
if ((ret = text_modify(h, x0c, yc, x0, x1c, op,
if ((ret = text_modify(h, x0c, yc, x0, x1c, x1t, op,
username, xnacm, permit, cbret)) < 0)
goto done;
/* If xml return - ie netconf error xml tree, then stop and return OK */
@ -624,7 +626,7 @@ text_modify(clicon_handle h,
case OP_REMOVE: /* fall thru */
if (x0){
if (!permit && xnacm){
if ((ret = nacm_datanode_write(h, NULL, x0, NACM_DELETE, username, xnacm, cbret)) < 0)
if ((ret = nacm_datanode_write(h, x1t, x0, NACM_DELETE, username, xnacm, cbret)) < 0)
goto done;
if (ret == 0)
goto fail;
@ -656,6 +658,7 @@ text_modify(clicon_handle h,
* @param[in] h Clicon handle
* @param[in] x0 Base xml tree (can be NULL in add scenarios)
* @param[in] x1 XML tree which modifies base
* @param[in] x1t Request root node (nacm needs this)
* @param[in] yspec Top-level yang spec (if y is NULL)
* @param[in] op OP_MERGE, OP_REPLACE, OP_REMOVE, etc
* @param[in] username User name of requestor for nacm
@ -671,6 +674,7 @@ static int
text_modify_top(clicon_handle h,
cxobj *x0,
cxobj *x1,
cxobj *x1t,
yang_stmt *yspec,
enum operation_type op,
char *username,
@ -705,7 +709,7 @@ text_modify_top(clicon_handle h,
case OP_REMOVE:
case OP_REPLACE:
if (!permit && xnacm){
if ((ret = nacm_datanode_write(h, NULL, x0, NACM_DELETE, username, xnacm, cbret)) < 0)
if ((ret = nacm_datanode_write(h, x1t, x0, NACM_DELETE, username, xnacm, cbret)) < 0)
goto done;
if (ret == 0)
goto fail;
@ -739,7 +743,7 @@ text_modify_top(clicon_handle h,
/* Special case top-level replace */
else if (op == OP_REPLACE || op == OP_DELETE){
if (!permit && xnacm){
if ((ret = nacm_datanode_write(h, NULL, x1, NACM_UPDATE, username, xnacm, cbret)) < 0)
if ((ret = nacm_datanode_write(h, x1t, x1, NACM_UPDATE, username, xnacm, cbret)) < 0)
goto done;
if (ret == 0)
goto fail;
@ -773,7 +777,7 @@ text_modify_top(clicon_handle h,
goto done;
x0c = NULL;
}
if ((ret = text_modify(h, x0c, yc, x0, x1c, op,
if ((ret = text_modify(h, x0c, yc, x0, x1c, x1t, op,
username, xnacm, permit, cbret)) < 0)
goto done;
/* If xml return - ie netconf error xml tree, then stop and return OK */
@ -917,7 +921,7 @@ xmldb_put(clicon_handle h,
* Modify base tree x with modification x1. This is where the
* new tree is made.
*/
if ((ret = text_modify_top(h, x0, x1, yspec, op, username, xnacm, permit, cbret)) < 0)
if ((ret = text_modify_top(h, x0, x1, x1, yspec, op, username, xnacm, permit, cbret)) < 0)
goto done;
/* If xml return - ie netconf error xml tree, then stop and return OK */
if (ret == 0){

961
lib/src/clixon_nacm.c
View file

File diff suppressed because it is too large Load diff

7
test/test_nacm_datanode.sh
View file

@ -268,13 +268,12 @@ expectpart "$(curl -u guest:bar -siS -X GET http://localhost/restconf/data/ietf-
new "3. limited can read config-parameters"
expectpart "$(curl -u wilma:bar -siS -X GET http://localhost/restconf/data/nacm-example:acme-netconf/config-parameters)" 0 'HTTP/1.1 200 OK' '{"nacm-example:config-parameters":{"parameter":\[{"name":"a","value":"72"}\]}}'
if false; then # notyet
new "3. limited can set config-parameters"
expectpart "$(curl -u wilma:bar -siS -X PUT -H "Content-Type: application/yang-data+json" http://localhost/restconf/data/nacm-example:acme-netconf/config-parameters/parameter=a -d '{"nacm-example:parameter":[{"name":"a","value":"93"}]}')" 0 'HTTP/1.1 200 OK'
fi
expectpart "$(curl -u wilma:bar -siS -X PUT -H "Content-Type: application/yang-data+json" http://localhost/restconf/data/nacm-example:acme-netconf/config-parameters/parameter=a -d '{"nacm-example:parameter":[{"name":"a","value":"93"}]}')" 0 'HTTP/1.1 204 No Content'
new "4. guest cannot set /config-parameter"
expectpart "$(curl -u wilma:bar -siS -X PUT -H "Content-Type: application/yang-data+json" http://localhost/restconf/data/nacm-example:acme-netconf/config-parameters/parameter=a -d '{"nacm-example:parameter":[{"name":"a","value":"93"}]}')" 0 'HTTP/1.1 403 Forbidden' '{"ietf-restconf:errors":{"error":{"error-type":"application","error-tag":"access-denied","error-severity":"error","error-message":"default deny"}}}'
expectpart "$(curl -u guest:bar -siS -X PUT -H "Content-Type: application/yang-data+json" http://localhost/restconf/data/nacm-example:acme-netconf/config-parameters/parameter=a -d '{"nacm-example:parameter":[{"name":"a","value":"93"}]}')" 0 'HTTP/1.1 403 Forbidden' '{"ietf-restconf:errors":{"error":{"error-type":"application","error-tag":"access-denied","error-severity":"error","error-message":"default deny"}}}'
# 5. guest|limit cannot POST dummy interface
# 6. admin can POST dummy interface