45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
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#include "capwap.h"
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#include "intavltree.h"
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#include "dbg.h"
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#include "log.h"
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#include "capwap_items.h"
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#include "format.h"
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#include "connlist.h"
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int cw_in_check_join_req(struct conn *conn, struct cw_action_in *a, uint8_t * data,
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int len,struct sockaddr *from)
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{
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cw_action_in_t * mlist[60];
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/* Check for mandatory elements */
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int n = cw_check_missing_mand(mlist,conn,a);
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if (n) {
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if ( conn->strict_capwap ){
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cw_dbg_missing_mand(DBG_MSG_ERR,conn,mlist,n,a);
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conn->capwap_state=CW_STATE_JOIN;
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return CW_RESULT_MISSING_MAND_ELEM;
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}
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cw_dbg_missing_mand(DBG_RFC,conn,mlist,n,a);
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}
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connlist_lock(conn->connlist);
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struct conn *cc = connlist_get_by_session_id(conn->connlist,conn);
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if (!cc){
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connlist_add_by_session_id(conn->connlist,conn);
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}
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connlist_unlock(conn->connlist);
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if (cc){
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cw_dbg(DBG_ELEM_ERR,"Session already in use %s",format_bin2hex(conn->session_id,16));
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conn->capwap_state=CW_STATE_JOIN;
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return CW_RESULT_JOIN_FAILURE_SESSION_ALREADY_IN_USE;
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}
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/* set result code to ok and change to configure state */
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mbag_set_dword(conn->outgoing,CW_ITEM_RESULT_CODE,0);
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conn->capwap_state = CW_STATE_CONFIGURE;
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return 0;
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}
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