Merge from vendor branch.
This commit is contained in:
Garrett Wollman
parent
fda109d2ad
commit
a30febec0e
@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* @(#)defs.h 8.1 (Berkeley) 6/5/93
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* $Id: defs.h,v 1.3 1996/11/19 20:42:11 wollman Exp $
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* $Id: defs.h,v 1.4 1996/12/10 17:07:36 wollman Exp $
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*/
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/* Definitions for RIPv2 routing process.
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@ -119,7 +119,8 @@
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*/
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/* #define MCAST_PPP_BUG */
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#define NEVER (24*60*60) /* a long time */
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#define DAY (24*60*60)
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#define NEVER DAY /* a long time */
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#define EPOCH NEVER /* bias time by this to avoid <0 */
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/* Scan the kernel regularly to see if any interfaces have appeared or been
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@ -288,15 +289,13 @@ struct interface {
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#endif
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time_t ts; /* timestamp on network stats */
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} int_data;
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# define MAX_AUTH_KEYS 5
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struct auth { /* authentication info */
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u_char type;
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# define MAX_AUTH_KEYS 3
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struct auth_key {
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u_char key[RIP_AUTH_PW_LEN];
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u_char keyid;
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time_t start, end;
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} keys[MAX_AUTH_KEYS];
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} int_auth;
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u_char key[RIP_AUTH_PW_LEN];
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u_char keyid;
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time_t start, end;
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} int_auth[MAX_AUTH_KEYS];
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int int_rdisc_pref; /* advertised rdisc preference */
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int int_rdisc_int; /* MaxAdvertiseInterval */
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int int_rdisc_cnt;
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@ -313,10 +312,10 @@ struct interface {
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#define IS_ALL_HOSTS 0x0000040 /* in INADDR_ALLHOSTS_GROUP */
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#define IS_ALL_ROUTERS 0x0000080 /* in INADDR_ALLROUTERS_GROUP */
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#define IS_DISTRUST 0x0000100 /* ignore untrusted routers */
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#define IS_BROKE 0x0000200 /* seems to be broken */
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#define IS_SICK 0x0000400 /* seems to be broken */
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#define IS_DUP 0x0000800 /* has a duplicate address */
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/* 0x0001000 spare */
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#define IS_REDIRECT_OK 0x0000200 /* accept ICMP redirects */
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#define IS_BROKE 0x0000400 /* seems to be broken */
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#define IS_SICK 0x0000800 /* seems to be broken */
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#define IS_DUP 0x0001000 /* has a duplicate address */
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#define IS_NEED_NET_SYN 0x0002000 /* need RS_NET_SYN route */
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#define IS_NO_AG 0x0004000 /* do not aggregate subnets */
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#define IS_NO_SUPER_AG 0x0008000 /* do not aggregate networks */
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@ -395,7 +394,7 @@ extern struct parm {
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u_int parm_int_state;
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int parm_rdisc_pref;
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int parm_rdisc_int;
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struct auth parm_auth;
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struct auth parm_auth[MAX_AUTH_KEYS];
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} *parms;
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/* authority for internal networks */
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@ -471,13 +470,14 @@ extern int need_flash; /* flash update needed */
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extern struct timeval need_kern; /* need to update kernel table */
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extern int update_seqno; /* a route has changed */
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extern u_int tracelevel, new_tracelevel;
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extern int tracelevel, new_tracelevel;
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#define MAX_TRACELEVEL 4
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#define TRACEKERNEL (tracelevel >= 4) /* log kernel changes */
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#define TRACECONTENTS (tracelevel >= 3) /* display packet contents */
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#define TRACEPACKETS (tracelevel >= 2) /* note packets */
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#define TRACEACTIONS (tracelevel != 0)
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extern FILE *ftrace; /* output trace file */
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extern char inittracename[MAXPATHLEN+1];
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extern struct radix_node_head *rhead;
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@ -495,7 +495,7 @@ extern void rip_on(struct interface *);
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extern void bufinit(void);
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extern int output(enum output_type, struct sockaddr_in *,
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struct interface *, struct rip *, int);
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extern void clr_ws_buf(struct ws_buf *, struct auth_key *, struct interface *);
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extern void clr_ws_buf(struct ws_buf *, struct auth *);
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extern void rip_query(void);
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extern void rip_bcast(int);
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extern void supply(struct sockaddr_in *, struct interface *,
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@ -503,8 +503,12 @@ extern void supply(struct sockaddr_in *, struct interface *,
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extern void msglog(char *, ...);
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struct msg_limit {
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time_t reuse;
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struct msg_sub {
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naddr addr;
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time_t until;
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# define MSG_SUBJECT_N 8
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} subs[MSG_SUBJECT_N];
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};
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extern void msglim(struct msg_limit *, naddr, char *, ...);
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#define LOGERR(msg) msglog(msg ": %s", strerror(errno))
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@ -524,15 +528,16 @@ extern void intvl_random(struct timeval *, u_long, u_long);
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extern int getnet(char *, naddr *, naddr *);
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extern int gethost(char *, naddr *);
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extern void gwkludge(void);
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extern char *parse_parms(char *);
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extern char *parse_parms(char *, int);
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extern char *check_parms(struct parm *);
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extern void get_parms(struct interface *);
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extern void lastlog(void);
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extern void trace_on(char *, int);
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extern void set_tracefile(char *, char *, int);
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extern void tracelevel_msg(char *, int);
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extern void trace_off(char*, ...);
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extern void set_tracelevel(void);
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extern void trace_flush(void);
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extern void set_tracelevel(int);
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extern void trace_kernel(char *, ...);
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extern void trace_act(char *, ...);
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extern void trace_pkt(char *, ...);
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@ -615,7 +620,7 @@ extern struct interface *ifwithname(char *, naddr);
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extern struct interface *ifwithindex(u_short);
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extern struct interface *iflookup(naddr);
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extern struct auth_key *find_auth(struct interface *);
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extern void end_md5_auth(struct ws_buf *, struct auth_key *);
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extern struct auth *find_auth(struct interface *);
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extern void end_md5_auth(struct ws_buf *, struct auth *);
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#include <md5.h>
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@ -39,7 +39,6 @@ static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/5/93";
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#elif defined(__NetBSD__)
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static char rcsid[] = "$NetBSD$";
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#endif
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#ident "$Revision: 1.18 $"
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#include "defs.h"
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#include "pathnames.h"
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@ -201,10 +200,13 @@ main(int argc,
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/* handle arbirary, (usually) per-interface
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* parameters.
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*/
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p = parse_parms(optarg);
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if (p != 0)
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msglog("bad \"%s\" in \"%s\"",
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p, optarg);
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p = parse_parms(optarg, 0);
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if (p != 0) {
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if (strcasecmp(p,optarg))
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msglog("%s in \"%s\"", p, optarg);
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else
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msglog("bad \"-P %s\"", optarg);
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}
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break;
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default:
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@ -218,9 +220,11 @@ main(int argc,
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tracename = *argv++;
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argc--;
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}
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if (tracename != 0 && tracename[0] == '\0')
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goto usage;
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if (argc != 0) {
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usage:
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logbad(0, "usage: routed [-sqdghmpAt] [-T /tracefile]"
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logbad(0, "usage: routed [-sqdghmpAt] [-T tracefile]"
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" [-F net[,metric]] [-P parms]");
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}
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if (geteuid() != 0)
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@ -263,18 +267,16 @@ usage:
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signal(SIGUSR2, sigtrace_off);
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/* get into the background */
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if (background) {
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#ifdef sgi
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if (0 > _daemonize(_DF_NOCHDIR,
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new_tracelevel == 0 ? -1 : STDOUT_FILENO,
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new_tracelevel == 0 ? -1 : STDERR_FILENO,
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-1))
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BADERR(0, "_daemonize()");
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if (0 > _daemonize(background ? 0 : (_DF_NOCHDIR|_DF_NOFORK),
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new_tracelevel == 0 ? -1 : STDOUT_FILENO,
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new_tracelevel == 0 ? -1 : STDERR_FILENO,
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-1))
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BADERR(0, "_daemonize()");
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#else
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if (daemon(1, 1) < 0)
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BADERR(0,"daemon()");
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if (background && daemon(0, new_tracelevel) < 0)
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BADERR(0,"daemon()");
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#endif
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}
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mypid = getpid();
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srandom((int)(clk.tv_sec ^ clk.tv_usec ^ mypid));
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@ -297,11 +299,11 @@ usage:
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if (background && new_tracelevel == 0)
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ftrace = 0;
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if (tracename != 0) {
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trace_on(tracename, 1);
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if (new_tracelevel == 0) /* use stdout if file is bad */
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new_tracelevel = 1;
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strncpy(inittracename, tracename, sizeof(inittracename)-1);
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set_tracefile(inittracename, "%s\n", -1);
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} else {
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tracelevel_msg("%s\n", -1); /* turn on tracing to stdio */
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}
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set_tracelevel(1);
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bufinit();
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@ -354,8 +356,8 @@ usage:
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now_expire = now.tv_sec - EXPIRE_TIME;
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now_garbage = now.tv_sec - GARBAGE_TIME;
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/* deal with interrupts that should affect tracing */
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set_tracelevel(0);
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/* deal with signals that should affect tracing */
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set_tracelevel();
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if (stopint != 0) {
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rip_bcast(0);
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@ -491,7 +493,7 @@ usage:
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/* ARGSUSED */
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void
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sigalrm(int sig)
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sigalrm(int s)
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{
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/* Historically, SIGALRM would cause the daemon to check for
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* new and broken interfaces.
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@ -816,20 +818,53 @@ msglog(char *p, ...)
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}
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/* Put a message about a bad router into the system log if
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/* Put a message about a bad system into the system log if
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* we have not complained about it recently.
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*
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* It is desirable to complain about all bad systems, but not too often.
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* In the worst case, it is not practical to keep track of all bad systems.
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* For example, there can be many systems with the wrong password.
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*/
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void
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msglim(struct msg_limit *lim, naddr addr, char *p, ...)
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{
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va_list args;
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int i;
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struct msg_sub *ms1, *ms;
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char *p1;
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va_start(args, p);
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if ( lim->addr != addr || lim->until <= now.tv_sec) {
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lim->addr = addr;
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lim->until = now.tv_sec + 60*60;
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/* look for the oldest slot in the table
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* or the slot for the bad router.
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*/
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ms = ms1 = lim->subs;
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for (i = MSG_SUBJECT_N; ; i--, ms1++) {
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if (i == 0) {
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/* Reuse a slot at most once every 10 minutes.
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*/
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if (lim->reuse > now.tv_sec) {
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ms = 0;
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} else {
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ms = ms1;
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lim->reuse = now.tv_sec + 10*60;
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}
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break;
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}
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if (ms->addr == addr) {
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/* Repeat a complaint about a given system at
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* most once an hour.
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*/
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if (ms->until > now.tv_sec)
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ms = 0;
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break;
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}
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if (ms->until < ms1->until)
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ms = ms1;
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}
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if (ms != 0) {
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ms->addr = addr;
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ms->until = now.tv_sec + 60*60; /* 60 minutes */
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trace_flush();
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for (p1 = p; *p1 == ' '; p1++)
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@ -837,6 +872,7 @@ msglim(struct msg_limit *lim, naddr addr, char *p, ...)
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vsyslog(LOG_ERR, p1, args);
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}
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/* always display the message if tracing */
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if (ftrace != 0) {
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(void)vfprintf(ftrace, p, args);
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(void)fputc('\n', ftrace);
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@ -514,11 +514,13 @@ specifies a RIPv2 password that will be included on all RIPv2
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responses sent and checked on all RIPv2 responses received.
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The password must not contain any blanks, tab characters, commas
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or '#' characters.
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.It Cm passwd Ns \&= Ns Ar XXX1[|KeyID[start|stop]][XXX2...]
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specifies one or more RIPv2 cleartext passwords that will be included on
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.It Cm passwd Ns \&= Ns Ar XXX1[|KeyID[start|stop]]
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specifies a RIPv2 cleartext password that will be included on
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all RIPv2 responses sent, and checked on all RIPv2 responses received.
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Any blanks, tab characters, commas, or '#' or '|' characters in the
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Any blanks, tab characters, commas, or '#', '|', or NULL characters in the
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password must be escaped with a backslash (\\).
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The common escape sequences \\n, \\r, \\t, \\b, and \\xxx have their
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usual meanings.
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The
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.Cm KeyID
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must be unique but is ignored for cleartext passwords.
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@ -528,15 +530,21 @@ and
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.Cm stop
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are timestamps in the form year/month/day@hour:minute.
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They specify when the password is valid.
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The first valid password is used on output packets.
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The valid password with the most future is used on output packets, unless
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all passwords have expired, in which case the password that expired most
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recently is used, or unless no passwords are valid yet, in which case
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no password is output.
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Incoming packets can carry any password that is valid, will
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be valid within 24 hours, or that was valid within 24 hours.
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.It Cm md5_passwd Ns \&= Ns Ar XXX1|KeyID[start|stop][XXX2...]
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specifes one or more RIPv2 MD5 passwords.
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.It Cm md5_passwd Ns \&= Ns Ar XXX1|KeyID[start|stop]
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specifes a RIPv2 MD5 password.
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Except that a
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.Cm KeyID
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is required, this keyword is the similar to
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is required, this keyword is similar to
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.Cm passwd .
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To protect the secrets, this parameter setting is valid only in the
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.Em /etc/gateways
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file and only when that file is readable only by UID 0.
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.It Cm no_ag
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turns off aggregation of subnets in RIPv1 and RIPv2 responses.
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.It Cm no_super_ag
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@ -612,6 +620,10 @@ causes RIP packets from that router and other routers named in
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other
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.Cm trust_gateway
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keywords to be accept, and packets from other routers to be ignored.
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.It Cm redirect_ok
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causes RIP to allow ICMP Redirect messages when the system is acting
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as a router and forwarding packets.
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Otherwise, ICMP Redirect messages are are overridden.
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.El
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.Pp
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.Sh FILES
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@ -40,7 +40,6 @@ static char sccsid[] = "@(#)query.c 8.1 (Berkeley) 6/5/93";
|
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#elif defined(__NetBSD__)
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static char rcsid[] = "$NetBSD$";
|
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#endif
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#ident "$Revision: 1.1.1.2 $"
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#include <sys/param.h>
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#include <sys/protosw.h>
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@ -745,7 +745,7 @@ static struct khash {
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#define KS_DELETED 0x100 /* already deleted */
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time_t k_keep;
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#define K_KEEP_LIM 30
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time_t k_redirect_time;
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time_t k_redirect_time; /* when redirected route 1st seen */
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} *khash_bins[KHASH_SIZE];
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@ -831,8 +831,7 @@ rtm_add(struct rt_msghdr *rtm,
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} else if (INFO_MASK(info) != 0) {
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mask = ntohl(S_ADDR(INFO_MASK(info)));
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} else {
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msglog("ignore %s without mask",
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rtm_type_name(rtm->rtm_type));
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msglog("ignore %s without mask", rtm_type_name(rtm->rtm_type));
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return;
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}
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@ -859,20 +858,32 @@ rtm_add(struct rt_msghdr *rtm,
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k->k_state |= KS_STATIC;
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if (0 != (rtm->rtm_flags & (RTF_DYNAMIC | RTF_MODIFIED))) {
|
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if (supplier) {
|
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if (INFO_AUTHOR(info) != 0
|
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&& INFO_AUTHOR(info)->sa_family == AF_INET)
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ifp = iflookup(S_ADDR(INFO_AUTHOR(info)));
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else
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ifp = 0;
|
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if (supplier
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&& (ifp == 0 || !(ifp->int_state & IS_REDIRECT_OK))) {
|
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/* Routers are not supposed to listen to redirects,
|
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* so delete it.
|
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* so delete it if it came via an unknown interface
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* or the interface does not have special permission.
|
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*/
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k->k_state &= ~KS_DYNAMIC;
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k->k_state |= KS_DELETE;
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LIM_SEC(need_kern, 0);
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trace_act("mark redirected %s --> %s for deletion"
|
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" since this is a router",
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trace_act("mark for deletion redirected %s --> %s"
|
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" via %s",
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addrname(k->k_dst, k->k_mask, 0),
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naddr_ntoa(k->k_gate));
|
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naddr_ntoa(k->k_gate),
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ifp ? ifp->int_name : "unknown interface");
|
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} else {
|
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k->k_state |= KS_DYNAMIC;
|
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k->k_redirect_time = now.tv_sec;
|
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trace_act("accept redirected %s --> %s via %s",
|
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addrname(k->k_dst, k->k_mask, 0),
|
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naddr_ntoa(k->k_gate),
|
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ifp ? ifp->int_name : "unknown interface");
|
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}
|
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return;
|
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}
|
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@ -892,17 +903,10 @@ rtm_add(struct rt_msghdr *rtm,
|
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* Find the interface toward the gateway.
|
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*/
|
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ifp = iflookup(k->k_gate);
|
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if (ifp == 0) {
|
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/* if there is no known interface,
|
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* maybe there is a new interface
|
||||
*/
|
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ifinit();
|
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ifp = iflookup(k->k_gate);
|
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if (ifp == 0)
|
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msglog("static route %s --> %s impossibly lacks ifp",
|
||||
addrname(S_ADDR(INFO_DST(info)), mask, 0),
|
||||
naddr_ntoa(k->k_gate));
|
||||
}
|
||||
if (ifp == 0)
|
||||
msglog("static route %s --> %s impossibly lacks ifp",
|
||||
addrname(S_ADDR(INFO_DST(info)), mask, 0),
|
||||
naddr_ntoa(k->k_gate));
|
||||
|
||||
kern_check_static(k, ifp);
|
||||
}
|
||||
@ -916,8 +920,8 @@ rtm_lose(struct rt_msghdr *rtm,
|
||||
{
|
||||
if (INFO_GATE(info) == 0
|
||||
|| INFO_GATE(info)->sa_family != AF_INET) {
|
||||
msglog("ignore %s without gateway",
|
||||
rtm_type_name(rtm->rtm_type));
|
||||
trace_act("ignore %s without gateway",
|
||||
rtm_type_name(rtm->rtm_type));
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user