experiments/clixon
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* Experimental NACM RFC8341 Network Configuration Access Control Model.

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* CLICON_NACM_MODE config option, default is disabled.
  * Added username attribute to all rpc:s from frontend to backend
  * Added NACM backend module in example
This commit is contained in:
Olof hagsand 2018-04-19 22:44:15 +02:00
parent 04a3f4db1b
commit 7650803475
32 changed files with 908 additions and 274 deletions
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38
apps/backend/backend_plugin.c
View file

@ -64,31 +64,21 @@
#include "backend_plugin.h"
#include "backend_commit.h"
/*! Initialize plugin code (not the plugins themselves)
* @param[in] h Clicon handle
* @retval 0 OK
* @retval -1 Error
*/
int
backend_plugin_init(clicon_handle h)
{
return 0;
}
/*! Load a plugin group.
* @param[in] h Clicon handle
* @retval 0 OK
* @retval -1 Error
*/
int
plugin_initiate(clicon_handle h)
backend_plugin_initiate(clicon_handle h)
{
char *dir;
/* Load application plugins */
if ((dir = clicon_backend_dir(h)) == NULL)
return 0;
return clixon_plugins_load(h, CLIXON_PLUGIN_INIT, dir);
return clixon_plugins_load(h, CLIXON_PLUGIN_INIT, dir,
clicon_option_str(h, "CLICON_BACKEND_REGEXP"));
}
/*! Request plugins to reset system state
@ -124,6 +114,7 @@ clixon_plugin_reset(clicon_handle h,
* @param[in] h clicon handle
* @param[in] xpath String with XPATH syntax. or NULL for all
* @param[in,out] xml XML tree.
* @param[out] cbret Return xml value cligen buffer
* @retval -1 Error
* @retval 0 OK
* @retval 1 Statedata callback failed
@ -139,8 +130,10 @@ clixon_plugin_statedata(clicon_handle h,
yang_spec *yspec;
cxobj **xvec = NULL;
size_t xlen;
cxobj *xc;
clixon_plugin *cp = NULL;
plgstatedata_t *fn; /* Plugin statedata fn */
char *reason = NULL;
if ((yspec = clicon_dbspec_yang(h)) == NULL){
clicon_err(OE_YANG, ENOENT, "No yang spec");
@ -159,8 +152,23 @@ clixon_plugin_statedata(clicon_handle h,
retval = 1;
goto done; /* Dont quit here on user callbacks */
}
if (xml_merge(xtop, x, yspec) < 0)
if (xml_merge(xtop, x, yspec, &reason) < 0)
goto done;
if (reason){
cbuf *cb;
if ((cb = cbuf_new()) == NULL){
clicon_err(OE_XML, errno, "cbuf_new");
goto done;
}
if (netconf_operation_failed(cb, "rpc", reason)< 0)
goto done;
while ((xc = xml_child_i(xtop, 0)) != NULL)
xml_purge(xc);
if (xml_parse_string(cbuf_get(cb), NULL, &xtop) < 0)
goto done;
cbuf_free(cb);
break;
}
if (x){
xml_free(x);
x = NULL;
@ -187,6 +195,8 @@ clixon_plugin_statedata(clicon_handle h,
goto done;
retval = 0;
done:
if (reason)
free(reason);
if (x)
xml_free(x);
if (xvec)