* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#define RCSID "$Id: ipcp.c,v 1.56 2001/02/22 03:15:16 paulus Exp $"
+#define RCSID "$Id: ipcp.c,v 1.60 2002/01/22 16:02:58 dfs Exp $"
/*
* TODO:
/* global vars */
ipcp_options ipcp_wantoptions[NUM_PPP]; /* Options that we want to request */
ipcp_options ipcp_gotoptions[NUM_PPP]; /* Options that peer ack'd */
-ipcp_options ipcp_allowoptions[NUM_PPP]; /* Options we allow peer to request */
+ipcp_options ipcp_allowoptions[NUM_PPP]; /* Options we allow peer to request */
ipcp_options ipcp_hisoptions[NUM_PPP]; /* Options that we ack'd */
u_int32_t netmask = 0; /* IP netmask to set on interface */
/* Hook for a plugin to choose the remote IP address */
void (*ip_choose_hook) __P((u_int32_t *)) = NULL;
+/* Notifiers for when IPCP goes up and down */
+struct notifier *ip_up_notifier = NULL;
+struct notifier *ip_down_notifier = NULL;
+
/* local vars */
static int default_route_set[NUM_PPP]; /* Have set up a default route */
static int proxy_arp_set[NUM_PPP]; /* Have created proxy arp entry */
static bool usepeerdns; /* Ask peer for DNS addrs */
static int ipcp_is_up; /* have called np_up() */
static bool ask_for_local; /* request our address from peer */
+static char vj_value[8]; /* string form of vj option value */
+static char netmask_str[20]; /* string form of netmask value */
/*
* Callbacks for fsm code. (CI = Configuration Information)
static int setdnsaddr __P((char **));
static int setwinsaddr __P((char **));
static int setnetmask __P((char **));
-static int setipaddr __P((char *, char **, int));
+int setipaddr __P((char *, char **, int));
+static void printipaddr __P((option_t *, void (*)(void *, char *,...),void *));
static option_t ipcp_option_list[] = {
{ "noip", o_bool, &ipcp_protent.enabled_flag,
"Disable IP and IPCP" },
{ "-ip", o_bool, &ipcp_protent.enabled_flag,
- "Disable IP and IPCP" },
+ "Disable IP and IPCP", OPT_ALIAS },
+
{ "novj", o_bool, &ipcp_wantoptions[0].neg_vj,
- "Disable VJ compression", OPT_A2COPY, &ipcp_allowoptions[0].neg_vj },
+ "Disable VJ compression", OPT_A2CLR, &ipcp_allowoptions[0].neg_vj },
{ "-vj", o_bool, &ipcp_wantoptions[0].neg_vj,
- "Disable VJ compression", OPT_A2COPY, &ipcp_allowoptions[0].neg_vj },
+ "Disable VJ compression", OPT_ALIAS | OPT_A2CLR,
+ &ipcp_allowoptions[0].neg_vj },
+
{ "novjccomp", o_bool, &ipcp_wantoptions[0].cflag,
- "Disable VJ connection-ID compression", OPT_A2COPY,
+ "Disable VJ connection-ID compression", OPT_A2CLR,
&ipcp_allowoptions[0].cflag },
{ "-vjccomp", o_bool, &ipcp_wantoptions[0].cflag,
- "Disable VJ connection-ID compression", OPT_A2COPY,
+ "Disable VJ connection-ID compression", OPT_ALIAS | OPT_A2CLR,
&ipcp_allowoptions[0].cflag },
+
{ "vj-max-slots", o_special, (void *)setvjslots,
- "Set maximum VJ header slots" },
+ "Set maximum VJ header slots",
+ OPT_PRIO | OPT_A2STRVAL | OPT_STATIC, vj_value },
+
{ "ipcp-accept-local", o_bool, &ipcp_wantoptions[0].accept_local,
"Accept peer's address for us", 1 },
{ "ipcp-accept-remote", o_bool, &ipcp_wantoptions[0].accept_remote,
"Accept peer's address for it", 1 },
+
{ "ipparam", o_string, &ipparam,
- "Set ip script parameter" },
+ "Set ip script parameter", OPT_PRIO },
+
{ "noipdefault", o_bool, &disable_defaultip,
"Don't use name for default IP adrs", 1 },
+
{ "ms-dns", 1, (void *)setdnsaddr,
"DNS address for the peer's use" },
{ "ms-wins", 1, (void *)setwinsaddr,
"Nameserver for SMB over TCP/IP for peer" },
+
{ "ipcp-restart", o_int, &ipcp_fsm[0].timeouttime,
- "Set timeout for IPCP" },
+ "Set timeout for IPCP", OPT_PRIO },
{ "ipcp-max-terminate", o_int, &ipcp_fsm[0].maxtermtransmits,
- "Set max #xmits for term-reqs" },
+ "Set max #xmits for term-reqs", OPT_PRIO },
{ "ipcp-max-configure", o_int, &ipcp_fsm[0].maxconfreqtransmits,
- "Set max #xmits for conf-reqs" },
+ "Set max #xmits for conf-reqs", OPT_PRIO },
{ "ipcp-max-failure", o_int, &ipcp_fsm[0].maxnakloops,
- "Set max #conf-naks for IPCP" },
+ "Set max #conf-naks for IPCP", OPT_PRIO },
+
{ "defaultroute", o_bool, &ipcp_wantoptions[0].default_route,
"Add default route", OPT_ENABLE|1, &ipcp_allowoptions[0].default_route },
{ "nodefaultroute", o_bool, &ipcp_allowoptions[0].default_route,
- "disable defaultroute option", OPT_A2COPY,
+ "disable defaultroute option", OPT_A2CLR,
&ipcp_wantoptions[0].default_route },
{ "-defaultroute", o_bool, &ipcp_allowoptions[0].default_route,
- "disable defaultroute option", OPT_A2COPY,
+ "disable defaultroute option", OPT_ALIAS | OPT_A2CLR,
&ipcp_wantoptions[0].default_route },
+
{ "proxyarp", o_bool, &ipcp_wantoptions[0].proxy_arp,
"Add proxy ARP entry", OPT_ENABLE|1, &ipcp_allowoptions[0].proxy_arp },
{ "noproxyarp", o_bool, &ipcp_allowoptions[0].proxy_arp,
- "disable proxyarp option", OPT_A2COPY,
+ "disable proxyarp option", OPT_A2CLR,
&ipcp_wantoptions[0].proxy_arp },
{ "-proxyarp", o_bool, &ipcp_allowoptions[0].proxy_arp,
- "disable proxyarp option", OPT_A2COPY,
+ "disable proxyarp option", OPT_ALIAS | OPT_A2CLR,
&ipcp_wantoptions[0].proxy_arp },
+
{ "usepeerdns", o_bool, &usepeerdns,
"Ask peer for DNS address(es)", 1 },
+
{ "netmask", o_special, (void *)setnetmask,
- "set netmask" },
+ "set netmask", OPT_PRIO | OPT_A2STRVAL | OPT_STATIC, netmask_str },
+
{ "IP addresses", o_wild, (void *) &setipaddr,
- "set local and remote IP addresses", OPT_NOARG | OPT_MULTIPART },
+ "set local and remote IP addresses",
+ OPT_NOARG | OPT_A2PRINTER, (void *) &printipaddr },
+
{ NULL }
};
}
ipcp_wantoptions [0].maxslotindex =
ipcp_allowoptions[0].maxslotindex = value - 1;
+ slprintf(vj_value, sizeof(vj_value), "%d", value);
return 1;
}
dns = *(u_int32_t *)hp->h_addr;
}
- /* if there is no primary then update it. */
- if (ipcp_allowoptions[0].dnsaddr[0] == 0)
+ /* We take the last 2 values given, the 2nd-last as the primary
+ and the last as the secondary. If only one is given it
+ becomes both primary and secondary. */
+ if (ipcp_allowoptions[0].dnsaddr[1] == 0)
ipcp_allowoptions[0].dnsaddr[0] = dns;
+ else
+ ipcp_allowoptions[0].dnsaddr[0] = ipcp_allowoptions[0].dnsaddr[1];
- /* always set the secondary address value to the same value. */
+ /* always set the secondary address value. */
ipcp_allowoptions[0].dnsaddr[1] = dns;
return (1);
wins = *(u_int32_t *)hp->h_addr;
}
- /* if there is no primary then update it. */
- if (ipcp_allowoptions[0].winsaddr[0] == 0)
+ /* We take the last 2 values given, the 2nd-last as the primary
+ and the last as the secondary. If only one is given it
+ becomes both primary and secondary. */
+ if (ipcp_allowoptions[0].winsaddr[1] == 0)
ipcp_allowoptions[0].winsaddr[0] = wins;
+ else
+ ipcp_allowoptions[0].winsaddr[0] = ipcp_allowoptions[0].winsaddr[1];
- /* always set the secondary address value to the same value. */
+ /* always set the secondary address value. */
ipcp_allowoptions[0].winsaddr[1] = wins;
return (1);
* setipaddr - Set the IP address
* If doit is 0, the call is to check whether this option is
* potentially an IP address specification.
+ * Not static so that plugins can call it to set the addresses
*/
-static int
+int
setipaddr(arg, argv, doit)
char *arg;
char **argv;
return 1;
}
+static void
+printipaddr(opt, printer, arg)
+ option_t *opt;
+ void (*printer) __P((void *, char *, ...));
+ void *arg;
+{
+ ipcp_options *wo = &ipcp_wantoptions[0];
+
+ if (wo->ouraddr != 0)
+ printer(arg, "%I", wo->ouraddr);
+ printer(arg, ":");
+ if (wo->hisaddr != 0)
+ printer(arg, "%I", wo->hisaddr);
+}
+
/*
* setnetmask - set the netmask to be used on the interface.
*/
}
netmask = mask;
+ slprintf(netmask_str, sizeof(netmask_str), "%I", mask);
+
return (1);
}
*go = *wo;
if (!ask_for_local)
go->ouraddr = 0;
- if (ip_choose_hook)
+ if (ip_choose_hook) {
ip_choose_hook(&wo->hisaddr);
+ if (wo->hisaddr) {
+ wo->accept_remote = 0;
+ }
+ }
}
np_up(f->unit, PPP_IP);
ipcp_is_up = 1;
+ notify(ip_up_notifier, 0);
if (ip_up_hook)
ip_up_hook();
/* XXX a bit IPv4-centric here, we only need to get the stats
* before the interface is marked down. */
update_link_stats(f->unit);
+ notify(ip_down_notifier, 0);
if (ip_down_hook)
ip_down_hook();
if (ipcp_is_up) {
*/
#define IP_HDRLEN 20 /* bytes */
#define IP_OFFMASK 0x1fff
+#ifndef IPPROTO_TCP
#define IPPROTO_TCP 6
+#endif
#define TCP_HDRLEN 20
#define TH_FIN 0x01
projects / ppp.git / blobdiff