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internal netconf hello mechanism to obtain session-id

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This commit is contained in:
Olof hagsand 2019-10-24 11:46:06 +02:00
parent 59825214f3
commit 44138c0071
14 changed files with 250 additions and 264 deletions
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41
apps/backend/backend_client.c
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@ -158,7 +158,7 @@ backend_client_rm(clicon_handle h,
* @param[in] yspec Yang spec
* @param[in] xpath Xpath selection, not used but may be to filter early
* @param[out] xrs XML restconf-state node
* @see netconf_create_hello
* @see netconf_hello_server
* @see rfc8040 Sections 9.1
*/
static int
@ -1300,6 +1300,29 @@ verify_nacm_user(enum nacm_credentials_t mode,
goto done;
}
/*!
* @retval 0 OK
* @retval -1 Error
*/
static int
from_client_hello(clicon_handle h,
cxobj *x,
struct client_entry *ce,
cbuf *cbret)
{
int retval = -1;
uint32_t id;
id = clicon_session_id_get(h);
id++;
clicon_session_id_set(h, id);
cprintf(cbret, "<hello><session-id>%lu</session-id></hello>", id);
retval = 0;
// done:
return retval;
}
/*! An internal clicon message has arrived from a client. Receive and dispatch.
* @param[in] h Clicon handle
* @param[in] s Socket where message arrived. read from this.
@ -1344,12 +1367,20 @@ from_client_msg(clicon_handle h,
goto done;
goto reply;
}
ce->ce_id = id;
if ((x = xpath_first_nsc(xt, NULL, "/rpc")) == NULL){
if (netconf_malformed_message(cbret, "rpc keyword expected")< 0)
goto done;
goto reply;
if ((x = xpath_first_nsc(xt, NULL, "/hello")) != NULL){
if ((ret = from_client_hello(h, x, ce, cbret)) <0)
goto done;
goto reply;
}
else{
if (netconf_malformed_message(cbret, "rpc keyword expected")< 0)
goto done;
goto reply;
}
}
ce->ce_id = id;
/* Populate incoming XML tree with yang -
* should really have been dealt with by decode above
* maybe not necessary since it should be */