Kim Woelders
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
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* Copyright (c) 2018 Lars Thrane A/S
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* SPDX-License-Identifier: GPL-2.0
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*
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* Telnet server - RFC-2217 handling
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*/
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#include <stddef.h>
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#include "telnet.h"
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#include "telnet_param.h"
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void telnet_rfc2217_handle_opt(tn_ctx_t * tcc, int opt,
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unsigned char *pu, int nd)
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{
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unsigned int sub;
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sub = pu[0];
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switch (sub)
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{
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default:
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break;
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case 100: /* SIGNATURE */
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telnet_set_opt(tcc, opt, 0, "LT-NVT", 6);
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break;
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case 106: /* NOTIFY-LINESTATE */
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break;
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case 107: /* NOTIFY-MODEMSTATE */
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if (tcc->srv_ms)
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tcc->srv_ms(tcc->cctx, pu[1]);
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break;
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case 108: /* FLOWCONTROL-SUSPEND */
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case 109: /* FLOWCONTROL-RESUME */
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break;
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}
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}
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void telnet_rfc2217_cfg(tn_ctx_t * tcc, int cmd, const void *val, int nd)
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{
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if (!tcc->mode_rfc2217)
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return;
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telnet_set_opt(tcc, TNO_CPCO, cmd, val, nd);
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}
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void telnet_rfc2217_ctl(tn_ctx_t * tcc, unsigned int val)
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{
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unsigned char byte = val;
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if (!tcc->mode_rfc2217)
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return;
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telnet_set_opt(tcc, TNO_CPCO, TNS_SET_CONTROL, &byte, 1);
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}
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