Update sppp support to i4b level. This includes the new spppcontrol
program to set PPP options like authentication with.
This commit is contained in:
phk
parent
2ea136bdcf
commit
d47a7a8e1a
@ -16,7 +16,7 @@
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*
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* From: Version 2.0, Fri Oct 6 20:39:21 MSK 1995
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*
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* $Id: if_sppp.h,v 1.11 1998/12/11 21:42:57 phk Exp $
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* $Id: if_sppp.h,v 1.12 1998/12/20 19:06:22 phk Exp $
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*/
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#ifndef _NET_IF_SPPP_H_
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@ -45,6 +45,7 @@ struct sipcp {
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u_int flags;
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#define IPCP_HISADDR_SEEN 1 /* have seen his address already */
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#define IPCP_MYADDR_DYN 2 /* my address is dynamically assigned */
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#define IPCP_MYADDR_SEEN 4 /* have seen his address already */
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};
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#define AUTHNAMELEN 32
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@ -116,7 +117,15 @@ struct sppp {
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*/
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void (*pp_tls)(struct sppp *sp);
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void (*pp_tlf)(struct sppp *sp);
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/*
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* These (optional) functions may be filled by the hardware
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* driver if any notification of established connections
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* (currently: IPCP up) is desired (pp_con) or any internal
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* state change of the interface state machine should be
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* signaled for monitoring purposes (pp_chg).
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*/
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void (*pp_con)(struct sppp *sp);
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void (*pp_chg)(struct sppp *sp, int new_state);
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/* These two fields are for use by the lower layer */
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void *pp_lowerp;
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int pp_loweri;
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@ -17,7 +17,7 @@
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*
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* From: Version 2.4, Thu Apr 30 17:17:21 MSD 1997
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*
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* $Id: if_spppsubr.c,v 1.50 1998/12/26 12:43:26 phk Exp $
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* $Id: if_spppsubr.c,v 1.51 1998/12/26 13:14:45 phk Exp $
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*/
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#include <sys/param.h>
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@ -39,6 +39,9 @@
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#include <sys/sockio.h>
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#include <sys/socket.h>
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#include <sys/syslog.h>
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#if defined(__FreeBSD__) && __FreeBSD__ >= 3
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#include <machine/random.h>
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#endif
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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@ -51,6 +54,7 @@
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#include <net/if.h>
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#include <net/netisr.h>
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#include <net/if_types.h>
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#include <net/route.h>
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#if defined(__FreeBSD__) && __FreeBSD__ >= 3
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#include <machine/random.h>
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@ -58,6 +62,7 @@
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#if defined (__NetBSD__) || defined (__OpenBSD__)
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#include <machine/cpu.h> /* XXX for softnet */
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#endif
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#include <machine/stdarg.h>
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#ifdef INET
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@ -97,10 +102,13 @@
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#if defined(__FreeBSD__) && __FreeBSD__ >= 3
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# define UNTIMEOUT(fun, arg, handle) untimeout(fun, arg, handle)
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# define TIMEOUT(fun, arg1, arg2, handle) handle = timeout(fun, arg1, arg2)
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# define IOCTL_CMD_T u_long
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#else
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# define UNTIMEOUT(fun, arg, handle) untimeout(fun, arg)
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# define TIMEOUT(fun, arg1, arg2, handle) timeout(fun, arg1, arg2)
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# define IOCTL_CMD_T int
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#endif
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#define MAXALIVECNT 3 /* max. alive packets */
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/*
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@ -291,13 +299,11 @@ static void sppp_cp_input(const struct cp *cp, struct sppp *sp,
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struct mbuf *m);
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static void sppp_cp_send(struct sppp *sp, u_short proto, u_char type,
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u_char ident, u_short len, void *data);
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#ifdef notyet
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static void sppp_cp_timeout(void *arg);
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#endif
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/* static void sppp_cp_timeout(void *arg); */
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static void sppp_cp_change_state(const struct cp *cp, struct sppp *sp,
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int newstate);
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static void sppp_auth_send(const struct cp *cp,
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struct sppp *sp, u_char type, u_char id,
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struct sppp *sp, unsigned int type, unsigned int id,
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...);
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static void sppp_up_event(const struct cp *cp, struct sppp *sp);
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@ -643,15 +649,36 @@ sppp_output(struct ifnet *ifp, struct mbuf *m,
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ifq = &ifp->if_snd;
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#ifdef INET
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/*
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* Put low delay, telnet, rlogin and ftp control packets
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* in front of the queue.
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*/
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if (dst->sa_family == AF_INET) {
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/* XXX Check mbuf length here? */
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struct ip *ip = mtod (m, struct ip*);
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struct tcphdr *tcp = (struct tcphdr*) ((long*)ip + ip->ip_hl);
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/*
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* When using dynamic local IP address assignment by using
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* 0.0.0.0 as a local address, the first TCP session will
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* not connect because the local TCP checksum is computed
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* using 0.0.0.0 which will later become our real IP address
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* so the TCP checksum computed at the remote end will
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* become invalid. So we
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* - don't let packets with src ip addr 0 thru
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* - we flag TCP packets with src ip 0 as an error
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*/
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if(ip->ip_src.s_addr == INADDR_ANY) /* -hm */
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{
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m_freem(m);
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splx(s);
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if(ip->ip_p == IPPROTO_TCP)
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return(EADDRNOTAVAIL);
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else
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return(0);
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}
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/*
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* Put low delay, telnet, rlogin and ftp control packets
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* in front of the queue.
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*/
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if (IF_QFULL (&sp->pp_fastq))
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;
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else if (ip->ip_tos & IPTOS_LOWDELAY)
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@ -782,7 +809,9 @@ sppp_attach(struct ifnet *ifp)
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sp->pp_if.if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
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sp->pp_if.if_type = IFT_PPP;
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sp->pp_if.if_output = sppp_output;
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#if 0
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sp->pp_flags = PP_KEEPALIVE;
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#endif
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sp->pp_fastq.ifq_maxlen = 32;
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sp->pp_cpq.ifq_maxlen = 20;
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sp->pp_loopcnt = 0;
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@ -904,7 +933,7 @@ sppp_pick(struct ifnet *ifp)
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* Process an ioctl request. Called on low priority level.
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*/
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int
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sppp_ioctl(struct ifnet *ifp, u_long cmd, void *data)
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sppp_ioctl(struct ifnet *ifp, IOCTL_CMD_T cmd, void *data)
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{
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struct ifreq *ifr = (struct ifreq*) data;
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struct sppp *sp = (struct sppp*) ifp;
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@ -2290,6 +2319,10 @@ sppp_lcp_tlu(struct sppp *sp)
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if (sp->lcp.protos & mask && ((cps[i])->flags & CP_LCP) == 0)
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(cps[i])->Up(sp);
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/* notify low-level driver of state change */
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if (sp->pp_chg)
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sp->pp_chg(sp, (int)sp->pp_phase);
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if (sp->pp_phase == PHASE_NETWORK)
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/* if no NCP is starting, close down */
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sppp_lcp_check_and_close(sp);
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@ -2468,6 +2501,8 @@ sppp_ipcp_open(struct sppp *sp)
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STDDCL;
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u_long myaddr, hisaddr;
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sp->ipcp.flags &= ~(IPCP_HISADDR_SEEN|IPCP_MYADDR_SEEN|IPCP_MYADDR_DYN);
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sppp_get_ip_addrs(sp, &myaddr, &hisaddr, 0);
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/*
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* If we don't have his address, this probably means our
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@ -2490,7 +2525,8 @@ sppp_ipcp_open(struct sppp *sp)
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*/
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sp->ipcp.flags |= IPCP_MYADDR_DYN;
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sp->ipcp.opts |= (1 << IPCP_OPT_ADDRESS);
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}
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} else
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sp->ipcp.flags |= IPCP_MYADDR_SEEN;
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sppp_open_event(&ipcp, sp);
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}
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@ -2524,6 +2560,7 @@ sppp_ipcp_RCR(struct sppp *sp, struct lcp_header *h, int len)
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struct ifnet *ifp = &sp->pp_if;
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int rlen, origlen, debug = ifp->if_flags & IFF_DEBUG;
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u_long hisaddr, desiredaddr;
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int gotmyaddr = 0;
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len -= 4;
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origlen = len;
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@ -2597,10 +2634,11 @@ sppp_ipcp_RCR(struct sppp *sp, struct lcp_header *h, int len)
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continue;
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#endif
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case IPCP_OPT_ADDRESS:
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/* This is the address he wants in his end */
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desiredaddr = p[2] << 24 | p[3] << 16 |
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p[4] << 8 | p[5];
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if (desiredaddr == hisaddr ||
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hisaddr == 1 && desiredaddr != 0) {
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(hisaddr == 1 && desiredaddr != 0)) {
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/*
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* Peer's address is same as our value,
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* or we have set it to 0.0.0.1 to
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@ -2610,7 +2648,7 @@ sppp_ipcp_RCR(struct sppp *sp, struct lcp_header *h, int len)
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*/
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if (debug)
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addlog("%s [ack] ",
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sppp_dotted_quad(desiredaddr));
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sppp_dotted_quad(hisaddr));
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/* record that we've seen it already */
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sp->ipcp.flags |= IPCP_HISADDR_SEEN;
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continue;
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@ -2621,13 +2659,14 @@ sppp_ipcp_RCR(struct sppp *sp, struct lcp_header *h, int len)
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* address, or he send us another address not
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* matching our value. Either case, we gonna
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* conf-nak it with our value.
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* XXX: we should "rej" if hisaddr == 0
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*/
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if (debug) {
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if (desiredaddr == 0)
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addlog("[addr requested] ");
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else
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addlog("%s [not agreed] ",
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sppp_dotted_quad(desiredaddr));
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sppp_dotted_quad(desiredaddr));
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p[2] = hisaddr >> 24;
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p[3] = hisaddr >> 16;
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@ -2652,7 +2691,7 @@ sppp_ipcp_RCR(struct sppp *sp, struct lcp_header *h, int len)
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* doesn't want to send us his address. Q: What should we do
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* about it? XXX A: implement the max-failure counter.
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*/
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if (rlen == 0 && !(sp->ipcp.flags & IPCP_HISADDR_SEEN)) {
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if (rlen == 0 && !(sp->ipcp.flags & IPCP_HISADDR_SEEN) && !gotmyaddr) {
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buf[0] = IPCP_OPT_ADDRESS;
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buf[1] = 6;
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buf[2] = hisaddr >> 24;
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@ -2708,6 +2747,7 @@ sppp_ipcp_RCN_rej(struct sppp *sp, struct lcp_header *h, int len)
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/*
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* Peer doesn't grok address option. This is
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* bad. XXX Should we better give up here?
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* XXX We could try old "addresses" option...
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*/
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sp->ipcp.opts &= ~(1 << IPCP_OPT_ADDRESS);
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break;
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@ -2768,11 +2808,14 @@ sppp_ipcp_RCN_nak(struct sppp *sp, struct lcp_header *h, int len)
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* we accept his offer. Otherwise, we
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* ignore it and thus continue to negotiate
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* our already existing value.
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* XXX: Bogus, if he said no once, he'll
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* just say no again, might as well die.
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*/
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if (sp->ipcp.flags & IPCP_MYADDR_DYN) {
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sppp_set_ip_addr(sp, wantaddr);
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if (debug)
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addlog("[agree] ");
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sp->ipcp.flags |= IPCP_MYADDR_SEEN;
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}
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}
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break;
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@ -2794,6 +2837,9 @@ sppp_ipcp_RCN_nak(struct sppp *sp, struct lcp_header *h, int len)
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static void
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sppp_ipcp_tlu(struct sppp *sp)
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{
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/* we are up - notify isdn daemon */
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if (sp->pp_con)
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sp->pp_con(sp);
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}
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static void
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@ -3307,17 +3353,17 @@ sppp_chap_scr(struct sppp *sp)
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{
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u_long *ch, seed;
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u_char clen;
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#if defined (__NetBSD__) || defined (__OpenBSD__)
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struct timeval tv;
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#endif
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/* Compute random challenge. */
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ch = (u_long *)sp->myauth.challenge;
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#if defined(__FreeBSD__) && __FreeBSD__ >= 3
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read_random(&seed, sizeof seed);
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#else
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{
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struct timeval tv;
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microtime(&tv);
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seed = tv.tv_sec ^ tv.tv_usec;
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}
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#endif
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ch[0] = seed ^ random();
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ch[1] = seed ^ random();
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@ -3654,10 +3700,14 @@ sppp_pap_scr(struct sppp *sp)
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* Varadic function, each of the elements for the ellipsis is of type
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* ``size_t mlen, const u_char *msg''. Processing will stop iff
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* mlen == 0.
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* NOTE: never declare variadic functions with types subject to type
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* promotion (i.e. u_char). This is asking for big trouble depending
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* on the architecture you are on...
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*/
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static void
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sppp_auth_send(const struct cp *cp, struct sppp *sp, u_char type, u_char id,
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sppp_auth_send(const struct cp *cp, struct sppp *sp,
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unsigned int type, unsigned int id,
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...)
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{
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STDDCL;
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@ -3666,7 +3716,7 @@ sppp_auth_send(const struct cp *cp, struct sppp *sp, u_char type, u_char id,
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struct mbuf *m;
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u_char *p;
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int len;
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size_t mlen;
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unsigned int mlen;
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const char *msg;
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va_list ap;
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@ -3688,7 +3738,7 @@ sppp_auth_send(const struct cp *cp, struct sppp *sp, u_char type, u_char id,
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va_start(ap, id);
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len = 0;
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while ((mlen = va_arg(ap, size_t)) != 0) {
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while ((mlen = (unsigned int)va_arg(ap, size_t)) != 0) {
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msg = va_arg(ap, const char *);
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len += mlen;
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if (len > MHLEN - PPP_HEADER_LEN - LCP_HEADER_LEN) {
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@ -3816,10 +3866,14 @@ sppp_get_ip_addrs(struct sppp *sp, u_long *src, u_long *dst, u_long *srcmask)
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si = 0;
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#if defined(__FreeBSD__) && __FreeBSD__ >= 3
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TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link)
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#else
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#elif defined(__NetBSD__) || defined (__OpenBSD__)
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for (ifa = ifp->if_addrlist.tqh_first;
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ifa;
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ifa = ifa->ifa_list.tqe_next)
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#else
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for (ifa = ifp->if_addrlist;
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ifa;
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ifa = ifa->ifa_next)
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#endif
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if (ifa->ifa_addr->sa_family == AF_INET) {
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si = (struct sockaddr_in *)ifa->ifa_addr;
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@ -3849,7 +3903,7 @@ sppp_get_ip_addrs(struct sppp *sp, u_long *src, u_long *dst, u_long *srcmask)
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static void
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sppp_set_ip_addr(struct sppp *sp, u_long src)
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{
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struct ifnet *ifp = &sp->pp_if;
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STDDCL;
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struct ifaddr *ifa;
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struct sockaddr_in *si;
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@ -3857,14 +3911,17 @@ sppp_set_ip_addr(struct sppp *sp, u_long src)
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* Pick the first AF_INET address from the list,
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* aliases don't make any sense on a p2p link anyway.
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*/
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si = 0;
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#if defined(__FreeBSD__) && __FreeBSD__ >= 3
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TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link)
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#else
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#elif defined(__NetBSD__) || defined (__OpenBSD__)
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for (ifa = ifp->if_addrlist.tqh_first;
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ifa;
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ifa = ifa->ifa_list.tqe_next)
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#else
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for (ifa = ifp->if_addrlist;
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ifa;
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ifa = ifa->ifa_next)
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#endif
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{
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if (ifa->ifa_addr->sa_family == AF_INET)
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@ -3876,8 +3933,40 @@ sppp_set_ip_addr(struct sppp *sp, u_long src)
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}
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if (ifa && si)
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{
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int error;
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#if __NetBSD_Version__ >= 103080000
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struct sockaddr_in new_sin = *si;
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new_sin.sin_addr.s_addr = htonl(src);
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error = in_ifinit(ifp, ifatoia(ifa), &new_sin, 1);
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if(debug && error)
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{
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log(LOG_DEBUG, SPP_FMT "sppp_set_ip_addr: in_ifinit "
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" failed, error=%d\n", SPP_ARGS(ifp), error);
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}
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#else
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/* delete old route */
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error = rtinit(ifa, (int)RTM_DELETE, RTF_HOST);
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if(debug && error)
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{
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log(LOG_DEBUG, SPP_FMT "sppp_set_ip_addr: rtinit DEL failed, error=%d\n",
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SPP_ARGS(ifp), error);
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}
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/* set new address */
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si->sin_addr.s_addr = htonl(src);
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}
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/* add new route */
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error = rtinit(ifa, (int)RTM_ADD, RTF_HOST);
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if (debug && error)
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{
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log(LOG_DEBUG, SPP_FMT "sppp_set_ip_addr: rtinit ADD failed, error=%d",
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SPP_ARGS(ifp), error);
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}
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#endif
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}
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}
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static int
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sppp_params(struct sppp *sp, u_long cmd, void *data)
|
||||
@ -4183,10 +4272,3 @@ sppp_null(struct sppp *unused)
|
||||
{
|
||||
/* do just nothing */
|
||||
}
|
||||
/*
|
||||
* This file is large. Tell emacs to highlight it nevertheless.
|
||||
*
|
||||
* Local Variables:
|
||||
* hilit-auto-highlight-maxout: 120000
|
||||
* End:
|
||||
*/
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
# From: @(#)Makefile 5.20 (Berkeley) 6/12/93
|
||||
# $Id: Makefile,v 1.138 1998/12/13 14:56:19 n_hibma Exp $
|
||||
# $Id: Makefile,v 1.139 1998/12/27 16:43:15 phk Exp $
|
||||
|
||||
# XXX MISSING: mkproto
|
||||
SUBDIR= IPXrouted \
|
||||
@ -80,6 +80,7 @@ SUBDIR= IPXrouted \
|
||||
sliplogin \
|
||||
slstat \
|
||||
spray \
|
||||
spppcontrol \
|
||||
sysctl \
|
||||
syslogd \
|
||||
tcpdump \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user