diff options
Diffstat (limited to 'lwip/src/netif/ppp/ecp.c')
| -rw-r--r-- | lwip/src/netif/ppp/ecp.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/lwip/src/netif/ppp/ecp.c b/lwip/src/netif/ppp/ecp.c new file mode 100644 index 0000000..4d84f60 --- /dev/null +++ b/lwip/src/netif/ppp/ecp.c @@ -0,0 +1,191 @@ +/* + * ecp.c - PPP Encryption Control Protocol. + * + * Copyright (c) 2002 Google, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The name(s) of the authors of this software must not be used to + * endorse or promote products derived from this software without + * prior written permission. + * + * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO + * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Derived from ccp.c, which is: + * + * Copyright (c) 1994-2002 Paul Mackerras. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. The name(s) of the authors of this software must not be used to + * endorse or promote products derived from this software without + * prior written permission. + * + * 3. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by Paul Mackerras + * <paulus@samba.org>". + * + * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO + * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "netif/ppp/ppp_opts.h" +#if PPP_SUPPORT && ECP_SUPPORT /* don't build if not configured for use in lwipopts.h */ + +#include <string.h> + +#include "netif/ppp/ppp_impl.h" + +#include "netif/ppp/fsm.h" +#include "netif/ppp/ecp.h" + +#if PPP_OPTIONS +static option_t ecp_option_list[] = { + { "noecp", o_bool, &ecp_protent.enabled_flag, + "Disable ECP negotiation" }, + { "-ecp", o_bool, &ecp_protent.enabled_flag, + "Disable ECP negotiation", OPT_ALIAS }, + + { NULL } +}; +#endif /* PPP_OPTIONS */ + +/* + * Protocol entry points from main code. + */ +static void ecp_init (int unit); +/* +static void ecp_open (int unit); +static void ecp_close (int unit, char *); +static void ecp_lowerup (int unit); +static void ecp_lowerdown (int); +static void ecp_input (int unit, u_char *pkt, int len); +static void ecp_protrej (int unit); +*/ +#if PRINTPKT_SUPPORT +static int ecp_printpkt (const u_char *pkt, int len, + void (*printer) (void *, char *, ...), + void *arg); +#endif /* PRINTPKT_SUPPORT */ +/* +static void ecp_datainput (int unit, u_char *pkt, int len); +*/ + +const struct protent ecp_protent = { + PPP_ECP, + ecp_init, + NULL, /* ecp_input, */ + NULL, /* ecp_protrej, */ + NULL, /* ecp_lowerup, */ + NULL, /* ecp_lowerdown, */ + NULL, /* ecp_open, */ + NULL, /* ecp_close, */ +#if PRINTPKT_SUPPORT + ecp_printpkt, +#endif /* PRINTPKT_SUPPORT */ +#if PPP_DATAINPUT + NULL, /* ecp_datainput, */ +#endif /* PPP_DATAINPUT */ +#if PRINTPKT_SUPPORT + "ECP", + "Encrypted", +#endif /* PRINTPKT_SUPPORT */ +#if PPP_OPTIONS + ecp_option_list, + NULL, +#endif /* PPP_OPTIONS */ +#if DEMAND_SUPPORT + NULL, + NULL +#endif /* DEMAND_SUPPORT */ +}; + +fsm ecp_fsm[NUM_PPP]; +ecp_options ecp_wantoptions[NUM_PPP]; /* what to request the peer to use */ +ecp_options ecp_gotoptions[NUM_PPP]; /* what the peer agreed to do */ +ecp_options ecp_allowoptions[NUM_PPP]; /* what we'll agree to do */ +ecp_options ecp_hisoptions[NUM_PPP]; /* what we agreed to do */ + +static const fsm_callbacks ecp_callbacks = { + NULL, /* ecp_resetci, */ + NULL, /* ecp_cilen, */ + NULL, /* ecp_addci, */ + NULL, /* ecp_ackci, */ + NULL, /* ecp_nakci, */ + NULL, /* ecp_rejci, */ + NULL, /* ecp_reqci, */ + NULL, /* ecp_up, */ + NULL, /* ecp_down, */ + NULL, + NULL, + NULL, + NULL, + NULL, /* ecp_extcode, */ + "ECP" +}; + +/* + * ecp_init - initialize ECP. + */ +static void +ecp_init(unit) + int unit; +{ + fsm *f = &ecp_fsm[unit]; + + f->unit = unit; + f->protocol = PPP_ECP; + f->callbacks = &ecp_callbacks; + fsm_init(f); + +#if 0 /* Not necessary, everything is cleared in ppp_new() */ + memset(&ecp_wantoptions[unit], 0, sizeof(ecp_options)); + memset(&ecp_gotoptions[unit], 0, sizeof(ecp_options)); + memset(&ecp_allowoptions[unit], 0, sizeof(ecp_options)); + memset(&ecp_hisoptions[unit], 0, sizeof(ecp_options)); +#endif /* 0 */ + +} + + +#if PRINTPKT_SUPPORT +static int +ecp_printpkt(p, plen, printer, arg) + const u_char *p; + int plen; + void (*printer) (void *, char *, ...); + void *arg; +{ + return 0; +} +#endif /* PRINTPKT_SUPPORT */ + +#endif /* PPP_SUPPORT && ECP_SUPPORT */ |