Send a PADT message to the peer when a session is closed down.
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commit
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=52523
@ -1,4 +1,4 @@
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#define SIGNOFF "session closed"
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/*
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* ng_pppoe.c
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*
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@ -1081,6 +1081,10 @@ AAA
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/* Packet too short, dump it */
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LEAVE(EMSGSIZE);
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}
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if (m->m_pkthdr.len > length) {
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m_adj(m, -((int)(m->m_pkthdr.len - length)));
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}
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/* XXX also need to trim excess at end I should think */
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if ( sp->state != PPPOE_CONNECTED) {
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if (sp->state == PPPOE_NEWCONNECTED) {
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@ -1258,6 +1262,36 @@ AAA
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if (sp->state != PPPOE_SNONE ) {
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pppoe_send_event(sp, NGM_PPPOE_CLOSE);
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}
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if ((privp->ethernet_hook)
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&& ((sp->state == PPPOE_CONNECTED)
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|| (sp->state == PPPOE_NEWCONNECTED))) {
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struct mbuf *m;
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struct pppoe_full_hdr *wh;
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struct pppoe_tag *tag;
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int msglen = strlen(SIGNOFF);
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void *dummy = NULL;
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int error = 0;
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/* revert the stored header to DISC/PADT mode */
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wh = &sp->pkt_hdr;
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wh->ph.code = PADT_CODE;
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wh->eh.ether_type = ETHERTYPE_PPPOE_DISC;
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/* generate a packet of that type */
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MGETHDR(m, M_DONTWAIT, MT_DATA);
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m->m_pkthdr.rcvif = NULL;
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m->m_pkthdr.len = m->m_len = sizeof(*wh);
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bcopy((caddr_t)wh, mtod(m, caddr_t), sizeof(*wh));
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/* Add a General error message and adjust sizes */
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wh = mtod(m, struct pppoe_full_hdr *);
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tag = wh->ph.tag;
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tag->tag_type = PTT_GEN_ERR;
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tag->tag_len = htons((u_int16_t)msglen);
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strncpy(tag->tag_data, SIGNOFF, msglen);
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m->m_pkthdr.len = (m->m_len += sizeof(*tag) + msglen);
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wh->ph.length = htons(sizeof(*tag) + msglen);
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NG_MESSAGE_SEND(error, privp->ethernet_hook, m, dummy);
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}
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if (sp->neg) {
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untimeout(pppoe_ticker, hook, sp->neg->timeout_handle);
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if (sp->neg->m)
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