xref: /titanic_41/usr/src/lib/libipsecutil/common/ipsec_util.c (revision e11c3f44f531fdff80941ce57c065d2ae861cefc)
1 /*
2  *
3  * CDDL HEADER START
4  *
5  * The contents of this file are subject to the terms of the
6  * Common Development and Distribution License (the "License").
7  * You may not use this file except in compliance with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <unistd.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <stdarg.h>
31 #include <sys/types.h>
32 #include <sys/stat.h>
33 #include <fcntl.h>
34 #include <sys/sysconf.h>
35 #include <strings.h>
36 #include <ctype.h>
37 #include <errno.h>
38 #include <sys/socket.h>
39 #include <netdb.h>
40 #include <netinet/in.h>
41 #include <arpa/inet.h>
42 #include <net/pfkeyv2.h>
43 #include <net/pfpolicy.h>
44 #include <libintl.h>
45 #include <setjmp.h>
46 #include <libgen.h>
47 #include <libscf.h>
48 
49 #include "ipsec_util.h"
50 #include "ikedoor.h"
51 
52 /*
53  * This file contains support functions that are shared by the ipsec
54  * utilities and daemons including ipseckey(1m), ikeadm(1m) and in.iked(1m).
55  */
56 
57 
58 #define	EFD(file) (((file) == stdout) ? stderr : (file))
59 
60 /* Set standard default/initial values for globals... */
61 boolean_t pflag = B_FALSE;	/* paranoid w.r.t. printing keying material */
62 boolean_t nflag = B_FALSE;	/* avoid nameservice? */
63 boolean_t interactive = B_FALSE;	/* util not running on cmdline */
64 boolean_t readfile = B_FALSE;	/* cmds are being read from a file */
65 uint_t	lineno = 0;		/* track location if reading cmds from file */
66 uint_t	lines_added = 0;
67 uint_t	lines_parsed = 0;
68 jmp_buf	env;		/* for error recovery in interactive/readfile modes */
69 char *my_fmri = NULL;
70 FILE *debugfile = stderr;
71 
72 /*
73  * Print errno and exit if cmdline or readfile, reset state if interactive
74  * The error string *what should be dgettext()'d before calling bail().
75  */
76 void
77 bail(char *what)
78 {
79 	if (errno != 0)
80 		warn(what);
81 	else
82 		warnx(dgettext(TEXT_DOMAIN, "Error: %s"), what);
83 	if (readfile) {
84 		return;
85 	}
86 	if (interactive && !readfile)
87 		longjmp(env, 2);
88 	EXIT_FATAL(NULL);
89 }
90 
91 /*
92  * Print caller-supplied variable-arg error msg, then exit if cmdline or
93  * readfile, or reset state if interactive.
94  */
95 /*PRINTFLIKE1*/
96 void
97 bail_msg(char *fmt, ...)
98 {
99 	va_list	ap;
100 	char	msgbuf[BUFSIZ];
101 
102 	va_start(ap, fmt);
103 	(void) vsnprintf(msgbuf, BUFSIZ, fmt, ap);
104 	va_end(ap);
105 	if (readfile)
106 		warnx(dgettext(TEXT_DOMAIN,
107 		    "ERROR on line %u:\n%s\n"), lineno,  msgbuf);
108 	else
109 		warnx(dgettext(TEXT_DOMAIN, "ERROR: %s\n"), msgbuf);
110 
111 	if (interactive && !readfile)
112 		longjmp(env, 1);
113 
114 	EXIT_FATAL(NULL);
115 }
116 
117 
118 /*
119  * dump_XXX functions produce ASCII output from various structures.
120  *
121  * Because certain errors need to do this to stderr, dump_XXX functions
122  * take a FILE pointer.
123  *
124  * If an error occured while writing to the specified file, these
125  * functions return -1, zero otherwise.
126  */
127 
128 int
129 dump_sockaddr(struct sockaddr *sa, uint8_t prefixlen, boolean_t addr_only,
130     FILE *where, boolean_t ignore_nss)
131 {
132 	struct sockaddr_in	*sin;
133 	struct sockaddr_in6	*sin6;
134 	char			*printable_addr, *protocol;
135 	uint8_t			*addrptr;
136 	/* Add 4 chars to hold '/nnn' for prefixes. */
137 	char			storage[INET6_ADDRSTRLEN + 4];
138 	uint16_t		port;
139 	boolean_t		unspec;
140 	struct hostent		*hp;
141 	int			getipnode_errno, addrlen;
142 
143 	switch (sa->sa_family) {
144 	case AF_INET:
145 		/* LINTED E_BAD_PTR_CAST_ALIGN */
146 		sin = (struct sockaddr_in *)sa;
147 		addrptr = (uint8_t *)&sin->sin_addr;
148 		port = sin->sin_port;
149 		protocol = "AF_INET";
150 		unspec = (sin->sin_addr.s_addr == 0);
151 		addrlen = sizeof (sin->sin_addr);
152 		break;
153 	case AF_INET6:
154 		/* LINTED E_BAD_PTR_CAST_ALIGN */
155 		sin6 = (struct sockaddr_in6 *)sa;
156 		addrptr = (uint8_t *)&sin6->sin6_addr;
157 		port = sin6->sin6_port;
158 		protocol = "AF_INET6";
159 		unspec = IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr);
160 		addrlen = sizeof (sin6->sin6_addr);
161 		break;
162 	default:
163 		return (0);
164 	}
165 
166 	if (inet_ntop(sa->sa_family, addrptr, storage, INET6_ADDRSTRLEN) ==
167 	    NULL) {
168 		printable_addr = dgettext(TEXT_DOMAIN, "Invalid IP address.");
169 	} else {
170 		char prefix[5];	/* "/nnn" with terminator. */
171 
172 		(void) snprintf(prefix, sizeof (prefix), "/%d", prefixlen);
173 		printable_addr = storage;
174 		if (prefixlen != 0) {
175 			(void) strlcat(printable_addr, prefix,
176 			    sizeof (storage));
177 		}
178 	}
179 	if (addr_only) {
180 		if (fprintf(where, "%s", printable_addr) < 0)
181 			return (-1);
182 	} else {
183 		if (fprintf(where, dgettext(TEXT_DOMAIN,
184 		    "%s: port %d, %s"), protocol,
185 		    ntohs(port), printable_addr) < 0)
186 			return (-1);
187 		if (ignore_nss == B_FALSE) {
188 			/*
189 			 * Do AF_independent reverse hostname lookup here.
190 			 */
191 			if (unspec) {
192 				if (fprintf(where,
193 				    dgettext(TEXT_DOMAIN,
194 				    " <unspecified>")) < 0)
195 					return (-1);
196 			} else {
197 				hp = getipnodebyaddr((char *)addrptr, addrlen,
198 				    sa->sa_family, &getipnode_errno);
199 				if (hp != NULL) {
200 					if (fprintf(where,
201 					    " (%s)", hp->h_name) < 0)
202 						return (-1);
203 					freehostent(hp);
204 				} else {
205 					if (fprintf(where,
206 					    dgettext(TEXT_DOMAIN,
207 					    " <unknown>")) < 0)
208 						return (-1);
209 				}
210 			}
211 		}
212 		if (fputs(".\n", where) == EOF)
213 			return (-1);
214 	}
215 	return (0);
216 }
217 
218 /*
219  * Dump a key and bitlen
220  */
221 int
222 dump_key(uint8_t *keyp, uint_t bitlen, FILE *where)
223 {
224 	int	numbytes;
225 
226 	numbytes = SADB_1TO8(bitlen);
227 	/* The & 0x7 is to check for leftover bits. */
228 	if ((bitlen & 0x7) != 0)
229 		numbytes++;
230 	while (numbytes-- != 0) {
231 		if (pflag) {
232 			/* Print no keys if paranoid */
233 			if (fprintf(where, "XX") < 0)
234 				return (-1);
235 		} else {
236 			if (fprintf(where, "%02x", *keyp++) < 0)
237 				return (-1);
238 		}
239 	}
240 	if (fprintf(where, "/%u", bitlen) < 0)
241 		return (-1);
242 	return (0);
243 }
244 
245 /*
246  * Print an authentication or encryption algorithm
247  */
248 static int
249 dump_generic_alg(uint8_t alg_num, int proto_num, FILE *where)
250 {
251 	struct ipsecalgent *alg;
252 
253 	alg = getipsecalgbynum(alg_num, proto_num, NULL);
254 	if (alg == NULL) {
255 		if (fprintf(where, dgettext(TEXT_DOMAIN,
256 		    "<unknown %u>"), alg_num) < 0)
257 			return (-1);
258 		return (0);
259 	}
260 
261 	/*
262 	 * Special-case <none> for backward output compat.
263 	 * Assume that SADB_AALG_NONE == SADB_EALG_NONE.
264 	 */
265 	if (alg_num == SADB_AALG_NONE) {
266 		if (fputs(dgettext(TEXT_DOMAIN,
267 		    "<none>"), where) == EOF)
268 			return (-1);
269 	} else {
270 		if (fputs(alg->a_names[0], where) == EOF)
271 			return (-1);
272 	}
273 
274 	freeipsecalgent(alg);
275 	return (0);
276 }
277 
278 int
279 dump_aalg(uint8_t aalg, FILE *where)
280 {
281 	return (dump_generic_alg(aalg, IPSEC_PROTO_AH, where));
282 }
283 
284 int
285 dump_ealg(uint8_t ealg, FILE *where)
286 {
287 	return (dump_generic_alg(ealg, IPSEC_PROTO_ESP, where));
288 }
289 
290 /*
291  * Print an SADB_IDENTTYPE string
292  *
293  * Also return TRUE if the actual ident may be printed, FALSE if not.
294  *
295  * If rc is not NULL, set its value to -1 if an error occured while writing
296  * to the specified file, zero otherwise.
297  */
298 boolean_t
299 dump_sadb_idtype(uint8_t idtype, FILE *where, int *rc)
300 {
301 	boolean_t canprint = B_TRUE;
302 	int rc_val = 0;
303 
304 	switch (idtype) {
305 	case SADB_IDENTTYPE_PREFIX:
306 		if (fputs(dgettext(TEXT_DOMAIN, "prefix"), where) == EOF)
307 			rc_val = -1;
308 		break;
309 	case SADB_IDENTTYPE_FQDN:
310 		if (fputs(dgettext(TEXT_DOMAIN, "FQDN"), where) == EOF)
311 			rc_val = -1;
312 		break;
313 	case SADB_IDENTTYPE_USER_FQDN:
314 		if (fputs(dgettext(TEXT_DOMAIN,
315 		    "user-FQDN (mbox)"), where) == EOF)
316 			rc_val = -1;
317 		break;
318 	case SADB_X_IDENTTYPE_DN:
319 		if (fputs(dgettext(TEXT_DOMAIN, "ASN.1 DER Distinguished Name"),
320 		    where) == EOF)
321 			rc_val = -1;
322 		canprint = B_FALSE;
323 		break;
324 	case SADB_X_IDENTTYPE_GN:
325 		if (fputs(dgettext(TEXT_DOMAIN, "ASN.1 DER Generic Name"),
326 		    where) == EOF)
327 			rc_val = -1;
328 		canprint = B_FALSE;
329 		break;
330 	case SADB_X_IDENTTYPE_KEY_ID:
331 		if (fputs(dgettext(TEXT_DOMAIN, "Generic key id"),
332 		    where) == EOF)
333 			rc_val = -1;
334 		break;
335 	case SADB_X_IDENTTYPE_ADDR_RANGE:
336 		if (fputs(dgettext(TEXT_DOMAIN, "Address range"), where) == EOF)
337 			rc_val = -1;
338 		break;
339 	default:
340 		if (fprintf(where, dgettext(TEXT_DOMAIN,
341 		    "<unknown %u>"), idtype) < 0)
342 			rc_val = -1;
343 		break;
344 	}
345 
346 	if (rc != NULL)
347 		*rc = rc_val;
348 
349 	return (canprint);
350 }
351 
352 /*
353  * Slice an argv/argc vector from an interactive line or a read-file line.
354  */
355 static int
356 create_argv(char *ibuf, int *newargc, char ***thisargv)
357 {
358 	unsigned int argvlen = START_ARG;
359 	char **current;
360 	boolean_t firstchar = B_TRUE;
361 	boolean_t inquotes = B_FALSE;
362 
363 	*thisargv = malloc(sizeof (char *) * argvlen);
364 	if ((*thisargv) == NULL)
365 		return (MEMORY_ALLOCATION);
366 	current = *thisargv;
367 	*current = NULL;
368 
369 	for (; *ibuf != '\0'; ibuf++) {
370 		if (isspace(*ibuf)) {
371 			if (inquotes) {
372 				continue;
373 			}
374 			if (*current != NULL) {
375 				*ibuf = '\0';
376 				current++;
377 				if (*thisargv + argvlen == current) {
378 					/* Regrow ***thisargv. */
379 					if (argvlen == TOO_MANY_ARGS) {
380 						free(*thisargv);
381 						return (TOO_MANY_TOKENS);
382 					}
383 					/* Double the allocation. */
384 					current = realloc(*thisargv,
385 					    sizeof (char *) * (argvlen << 1));
386 					if (current == NULL) {
387 						free(*thisargv);
388 						return (MEMORY_ALLOCATION);
389 					}
390 					*thisargv = current;
391 					current += argvlen;
392 					argvlen <<= 1;	/* Double the size. */
393 				}
394 				*current = NULL;
395 			}
396 		} else {
397 			if (firstchar) {
398 				firstchar = B_FALSE;
399 				if (*ibuf == COMMENT_CHAR || *ibuf == '\n') {
400 					free(*thisargv);
401 					return (COMMENT_LINE);
402 				}
403 			}
404 			if (*ibuf == QUOTE_CHAR) {
405 				if (inquotes) {
406 					inquotes = B_FALSE;
407 					*ibuf = '\0';
408 				} else {
409 					inquotes = B_TRUE;
410 				}
411 				continue;
412 			}
413 			if (*current == NULL) {
414 				*current = ibuf;
415 				(*newargc)++;
416 			}
417 		}
418 	}
419 
420 	/*
421 	 * Tricky corner case...
422 	 * I've parsed _exactly_ the amount of args as I have space.  It
423 	 * won't return NULL-terminated, and bad things will happen to
424 	 * the caller.
425 	 */
426 	if (argvlen == *newargc) {
427 		current = realloc(*thisargv, sizeof (char *) * (argvlen + 1));
428 		if (current == NULL) {
429 			free(*thisargv);
430 			return (MEMORY_ALLOCATION);
431 		}
432 		*thisargv = current;
433 		current[argvlen] = NULL;
434 	}
435 
436 	return (SUCCESS);
437 }
438 
439 /*
440  * Enter a mode where commands are read from a file.  Treat stdin special.
441  */
442 void
443 do_interactive(FILE *infile, char *configfile, char *promptstring,
444     char *my_fmri, parse_cmdln_fn parseit)
445 {
446 	char		ibuf[IBUF_SIZE], holder[IBUF_SIZE];
447 	char		*hptr, **thisargv, *ebuf;
448 	int		thisargc;
449 	boolean_t	continue_in_progress = B_FALSE;
450 
451 	(void) setjmp(env);
452 
453 	ebuf = NULL;
454 	interactive = B_TRUE;
455 	bzero(ibuf, IBUF_SIZE);
456 
457 	if (infile == stdin) {
458 		(void) printf("%s", promptstring);
459 		(void) fflush(stdout);
460 	} else {
461 		readfile = B_TRUE;
462 	}
463 
464 	while (fgets(ibuf, IBUF_SIZE, infile) != NULL) {
465 		if (readfile)
466 			lineno++;
467 		thisargc = 0;
468 		thisargv = NULL;
469 
470 		/*
471 		 * Check byte IBUF_SIZE - 2, because byte IBUF_SIZE - 1 will
472 		 * be null-terminated because of fgets().
473 		 */
474 		if (ibuf[IBUF_SIZE - 2] != '\0') {
475 			ipsecutil_exit(SERVICE_FATAL, my_fmri, debugfile,
476 			    dgettext(TEXT_DOMAIN, "Line %d too big."), lineno);
477 		}
478 
479 		if (!continue_in_progress) {
480 			/* Use -2 because of \n from fgets. */
481 			if (ibuf[strlen(ibuf) - 2] == CONT_CHAR) {
482 				/*
483 				 * Can use strcpy here, I've checked the
484 				 * length already.
485 				 */
486 				(void) strcpy(holder, ibuf);
487 				hptr = &(holder[strlen(holder)]);
488 
489 				/* Remove the CONT_CHAR from the string. */
490 				hptr[-2] = ' ';
491 
492 				continue_in_progress = B_TRUE;
493 				bzero(ibuf, IBUF_SIZE);
494 				continue;
495 			}
496 		} else {
497 			/* Handle continuations... */
498 			(void) strncpy(hptr, ibuf,
499 			    (size_t)(&(holder[IBUF_SIZE]) - hptr));
500 			if (holder[IBUF_SIZE - 1] != '\0') {
501 				ipsecutil_exit(SERVICE_FATAL, my_fmri,
502 				    debugfile, dgettext(TEXT_DOMAIN,
503 				    "Command buffer overrun."));
504 			}
505 			/* Use - 2 because of \n from fgets. */
506 			if (hptr[strlen(hptr) - 2] == CONT_CHAR) {
507 				bzero(ibuf, IBUF_SIZE);
508 				hptr += strlen(hptr);
509 
510 				/* Remove the CONT_CHAR from the string. */
511 				hptr[-2] = ' ';
512 
513 				continue;
514 			} else {
515 				continue_in_progress = B_FALSE;
516 				/*
517 				 * I've already checked the length...
518 				 */
519 				(void) strcpy(ibuf, holder);
520 			}
521 		}
522 
523 		/*
524 		 * Just in case the command fails keep a copy of the
525 		 * command buffer for diagnostic output.
526 		 */
527 		if (readfile) {
528 			/*
529 			 * The error buffer needs to be big enough to
530 			 * hold the longest command string, plus
531 			 * some extra text, see below.
532 			 */
533 			ebuf = calloc((IBUF_SIZE * 2), sizeof (char));
534 			if (ebuf == NULL) {
535 				ipsecutil_exit(SERVICE_FATAL, my_fmri,
536 				    debugfile, dgettext(TEXT_DOMAIN,
537 				    "Memory allocation error."));
538 			} else {
539 				(void) snprintf(ebuf, (IBUF_SIZE * 2),
540 				    dgettext(TEXT_DOMAIN,
541 				    "Config file entry near line %u "
542 				    "caused error(s) or warnings:\n\n%s\n\n"),
543 				    lineno, ibuf);
544 			}
545 		}
546 
547 		switch (create_argv(ibuf, &thisargc, &thisargv)) {
548 		case TOO_MANY_TOKENS:
549 			ipsecutil_exit(SERVICE_BADCONF, my_fmri, debugfile,
550 			    dgettext(TEXT_DOMAIN, "Too many input tokens."));
551 			break;
552 		case MEMORY_ALLOCATION:
553 			ipsecutil_exit(SERVICE_BADCONF, my_fmri, debugfile,
554 			    dgettext(TEXT_DOMAIN, "Memory allocation error."));
555 			break;
556 		case COMMENT_LINE:
557 			/* Comment line. */
558 			free(ebuf);
559 			break;
560 		default:
561 			if (thisargc != 0) {
562 				lines_parsed++;
563 				/* ebuf consumed */
564 				parseit(thisargc, thisargv, ebuf, readfile);
565 			} else {
566 				free(ebuf);
567 			}
568 			free(thisargv);
569 			if (infile == stdin) {
570 				(void) printf("%s", promptstring);
571 				(void) fflush(stdout);
572 			}
573 			break;
574 		}
575 		bzero(ibuf, IBUF_SIZE);
576 	}
577 
578 	/*
579 	 * The following code is ipseckey specific. This should never be
580 	 * used by ikeadm which also calls this function because ikeadm
581 	 * only runs interactively. If this ever changes this code block
582 	 * sould be revisited.
583 	 */
584 	if (readfile) {
585 		if (lines_parsed != 0 && lines_added == 0) {
586 			ipsecutil_exit(SERVICE_BADCONF, my_fmri, debugfile,
587 			    dgettext(TEXT_DOMAIN, "Configuration file did not "
588 			    "contain any valid SAs"));
589 		}
590 
591 		/*
592 		 * There were errors. Putting the service in maintenance mode.
593 		 * When svc.startd(1M) allows services to degrade themselves,
594 		 * this should be revisited.
595 		 *
596 		 * If this function was called from a program running as a
597 		 * smf_method(5), print a warning message. Don't spew out the
598 		 * errors as these will end up in the smf(5) log file which is
599 		 * publically readable, the errors may contain sensitive
600 		 * information.
601 		 */
602 		if ((lines_added < lines_parsed) && (configfile != NULL)) {
603 			if (my_fmri != NULL) {
604 				ipsecutil_exit(SERVICE_BADCONF, my_fmri,
605 				    debugfile, dgettext(TEXT_DOMAIN,
606 				    "The configuration file contained %d "
607 				    "errors.\n"
608 				    "Manually check the configuration with:\n"
609 				    "ipseckey -c %s\n"
610 				    "Use svcadm(1M) to clear maintenance "
611 				    "condition when errors are resolved.\n"),
612 				    lines_parsed - lines_added, configfile);
613 			} else {
614 				EXIT_BADCONFIG(NULL);
615 			}
616 		} else {
617 			if (my_fmri != NULL)
618 				ipsecutil_exit(SERVICE_EXIT_OK, my_fmri,
619 				    debugfile, dgettext(TEXT_DOMAIN,
620 				    "%d actions successfully processed."),
621 				    lines_added);
622 		}
623 	} else {
624 		(void) putchar('\n');
625 		(void) fflush(stdout);
626 	}
627 	EXIT_OK(NULL);
628 }
629 
630 /*
631  * Functions to parse strings that represent a debug or privilege level.
632  * These functions are copied from main.c and door.c in usr.lib/in.iked/common.
633  * If this file evolves into a common library that may be used by in.iked
634  * as well as the usr.sbin utilities, those duplicate functions should be
635  * deleted.
636  *
637  * A privilege level may be represented by a simple keyword, corresponding
638  * to one of the possible levels.  A debug level may be represented by a
639  * series of keywords, separated by '+' or '-', indicating categories to
640  * be added or removed from the set of categories in the debug level.
641  * For example, +all-op corresponds to level 0xfffffffb (all flags except
642  * for D_OP set); while p1+p2+pfkey corresponds to level 0x38.  Note that
643  * the leading '+' is implicit; the first keyword in the list must be for
644  * a category that is to be added.
645  *
646  * These parsing functions make use of a local version of strtok, strtok_d,
647  * which includes an additional parameter, char *delim.  This param is filled
648  * in with the character which ends the returned token.  In other words,
649  * this version of strtok, in addition to returning the token, also returns
650  * the single character delimiter from the original string which marked the
651  * end of the token.
652  */
653 static char *
654 strtok_d(char *string, const char *sepset, char *delim)
655 {
656 	static char	*lasts;
657 	char		*q, *r;
658 
659 	/* first or subsequent call */
660 	if (string == NULL)
661 		string = lasts;
662 
663 	if (string == 0)		/* return if no tokens remaining */
664 		return (NULL);
665 
666 	q = string + strspn(string, sepset);	/* skip leading separators */
667 
668 	if (*q == '\0')			/* return if no tokens remaining */
669 		return (NULL);
670 
671 	if ((r = strpbrk(q, sepset)) == NULL) {		/* move past token */
672 		lasts = 0;	/* indicate that this is last token */
673 	} else {
674 		*delim = *r;	/* save delimitor */
675 		*r = '\0';
676 		lasts = r + 1;
677 	}
678 	return (q);
679 }
680 
681 static keywdtab_t	privtab[] = {
682 	{ IKE_PRIV_MINIMUM,	"base" },
683 	{ IKE_PRIV_MODKEYS,	"modkeys" },
684 	{ IKE_PRIV_KEYMAT,	"keymat" },
685 	{ IKE_PRIV_MINIMUM,	"0" },
686 };
687 
688 int
689 privstr2num(char *str)
690 {
691 	keywdtab_t	*pp;
692 	char		*endp;
693 	int		 priv;
694 
695 	for (pp = privtab; pp < A_END(privtab); pp++) {
696 		if (strcasecmp(str, pp->kw_str) == 0)
697 			return (pp->kw_tag);
698 	}
699 
700 	priv = strtol(str, &endp, 0);
701 	if (*endp == '\0')
702 		return (priv);
703 
704 	return (-1);
705 }
706 
707 static keywdtab_t	dbgtab[] = {
708 	{ D_CERT,	"cert" },
709 	{ D_KEY,	"key" },
710 	{ D_OP,		"op" },
711 	{ D_P1,		"p1" },
712 	{ D_P1,		"phase1" },
713 	{ D_P2,		"p2" },
714 	{ D_P2,		"phase2" },
715 	{ D_PFKEY,	"pfkey" },
716 	{ D_POL,	"pol" },
717 	{ D_POL,	"policy" },
718 	{ D_PROP,	"prop" },
719 	{ D_DOOR,	"door" },
720 	{ D_CONFIG,	"config" },
721 	{ D_ALL,	"all" },
722 	{ 0,		"0" },
723 };
724 
725 int
726 dbgstr2num(char *str)
727 {
728 	keywdtab_t	*dp;
729 
730 	for (dp = dbgtab; dp < A_END(dbgtab); dp++) {
731 		if (strcasecmp(str, dp->kw_str) == 0)
732 			return (dp->kw_tag);
733 	}
734 	return (D_INVALID);
735 }
736 
737 int
738 parsedbgopts(char *optarg)
739 {
740 	char	*argp, *endp, op, nextop;
741 	int	mask = 0, new;
742 
743 	mask = strtol(optarg, &endp, 0);
744 	if (*endp == '\0')
745 		return (mask);
746 
747 	op = optarg[0];
748 	if (op != '-')
749 		op = '+';
750 	argp = strtok_d(optarg, "+-", &nextop);
751 	do {
752 		new = dbgstr2num(argp);
753 		if (new == D_INVALID) {
754 			/* we encountered an invalid keywd */
755 			return (new);
756 		}
757 		if (op == '+') {
758 			mask |= new;
759 		} else {
760 			mask &= ~new;
761 		}
762 		op = nextop;
763 	} while ((argp = strtok_d(NULL, "+-", &nextop)) != NULL);
764 
765 	return (mask);
766 }
767 
768 
769 /*
770  * functions to manipulate the kmcookie-label mapping file
771  */
772 
773 /*
774  * Open, lockf, fdopen the given file, returning a FILE * on success,
775  * or NULL on failure.
776  */
777 FILE *
778 kmc_open_and_lock(char *name)
779 {
780 	int	fd, rtnerr;
781 	FILE	*fp;
782 
783 	if ((fd = open(name, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR)) < 0) {
784 		return (NULL);
785 	}
786 	if (lockf(fd, F_LOCK, 0) < 0) {
787 		return (NULL);
788 	}
789 	if ((fp = fdopen(fd, "a+")) == NULL) {
790 		return (NULL);
791 	}
792 	if (fseek(fp, 0, SEEK_SET) < 0) {
793 		/* save errno in case fclose changes it */
794 		rtnerr = errno;
795 		(void) fclose(fp);
796 		errno = rtnerr;
797 		return (NULL);
798 	}
799 	return (fp);
800 }
801 
802 /*
803  * Extract an integer cookie and string label from a line from the
804  * kmcookie-label file.  Return -1 on failure, 0 on success.
805  */
806 int
807 kmc_parse_line(char *line, int *cookie, char **label)
808 {
809 	char	*cookiestr;
810 
811 	*cookie = 0;
812 	*label = NULL;
813 
814 	cookiestr = strtok(line, " \t\n");
815 	if (cookiestr == NULL) {
816 		return (-1);
817 	}
818 
819 	/* Everything that follows, up to the newline, is the label. */
820 	*label = strtok(NULL, "\n");
821 	if (*label == NULL) {
822 		return (-1);
823 	}
824 
825 	*cookie = atoi(cookiestr);
826 	return (0);
827 }
828 
829 /*
830  * Insert a mapping into the file (if it's not already there), given the
831  * new label.  Return the assigned cookie, or -1 on error.
832  */
833 int
834 kmc_insert_mapping(char *label)
835 {
836 	FILE	*map;
837 	char	linebuf[IBUF_SIZE];
838 	char	*cur_label;
839 	int	max_cookie = 0, cur_cookie, rtn_cookie;
840 	int	rtnerr = 0;
841 	boolean_t	found = B_FALSE;
842 
843 	/* open and lock the file; will sleep until lock is available */
844 	if ((map = kmc_open_and_lock(KMCFILE)) == NULL) {
845 		/* kmc_open_and_lock() sets errno appropriately */
846 		return (-1);
847 	}
848 
849 	while (fgets(linebuf, sizeof (linebuf), map) != NULL) {
850 
851 		/* Skip blank lines, which often come near EOF. */
852 		if (strlen(linebuf) == 0)
853 			continue;
854 
855 		if (kmc_parse_line(linebuf, &cur_cookie, &cur_label) < 0) {
856 			rtnerr = EINVAL;
857 			goto error;
858 		}
859 
860 		if (cur_cookie > max_cookie)
861 			max_cookie = cur_cookie;
862 
863 		if ((!found) && (strcmp(cur_label, label) == 0)) {
864 			found = B_TRUE;
865 			rtn_cookie = cur_cookie;
866 		}
867 	}
868 
869 	if (!found) {
870 		rtn_cookie = ++max_cookie;
871 		if ((fprintf(map, "%u\t%s\n", rtn_cookie, label) < 0) ||
872 		    (fflush(map) < 0)) {
873 			rtnerr = errno;
874 			goto error;
875 		}
876 	}
877 	(void) fclose(map);
878 
879 	return (rtn_cookie);
880 
881 error:
882 	(void) fclose(map);
883 	errno = rtnerr;
884 	return (-1);
885 }
886 
887 /*
888  * Lookup the given cookie and return its corresponding label.  Return
889  * a pointer to the label on success, NULL on error (or if the label is
890  * not found).  Note that the returned label pointer points to a static
891  * string, so the label will be overwritten by a subsequent call to the
892  * function; the function is also not thread-safe as a result.
893  */
894 char *
895 kmc_lookup_by_cookie(int cookie)
896 {
897 	FILE		*map;
898 	static char	linebuf[IBUF_SIZE];
899 	char		*cur_label;
900 	int		cur_cookie;
901 
902 	if ((map = kmc_open_and_lock(KMCFILE)) == NULL) {
903 		return (NULL);
904 	}
905 
906 	while (fgets(linebuf, sizeof (linebuf), map) != NULL) {
907 
908 		if (kmc_parse_line(linebuf, &cur_cookie, &cur_label) < 0) {
909 			(void) fclose(map);
910 			return (NULL);
911 		}
912 
913 		if (cookie == cur_cookie) {
914 			(void) fclose(map);
915 			return (cur_label);
916 		}
917 	}
918 	(void) fclose(map);
919 
920 	return (NULL);
921 }
922 
923 /*
924  * Parse basic extension headers and return in the passed-in pointer vector.
925  * Return values include:
926  *
927  *	KGE_OK	Everything's nice and parsed out.
928  *		If there are no extensions, place NULL in extv[0].
929  *	KGE_DUP	There is a duplicate extension.
930  *		First instance in appropriate bin.  First duplicate in
931  *		extv[0].
932  *	KGE_UNK	Unknown extension type encountered.  extv[0] contains
933  *		unknown header.
934  *	KGE_LEN	Extension length error.
935  *	KGE_CHK	High-level reality check failed on specific extension.
936  *
937  * My apologies for some of the pointer arithmetic in here.  I'm thinking
938  * like an assembly programmer, yet trying to make the compiler happy.
939  */
940 int
941 spdsock_get_ext(spd_ext_t *extv[], spd_msg_t *basehdr, uint_t msgsize,
942     char *diag_buf, uint_t diag_buf_len)
943 {
944 	int i;
945 
946 	if (diag_buf != NULL)
947 		diag_buf[0] = '\0';
948 
949 	for (i = 1; i <= SPD_EXT_MAX; i++)
950 		extv[i] = NULL;
951 
952 	i = 0;
953 	/* Use extv[0] as the "current working pointer". */
954 
955 	extv[0] = (spd_ext_t *)(basehdr + 1);
956 	msgsize = SPD_64TO8(msgsize);
957 
958 	while ((char *)extv[0] < ((char *)basehdr + msgsize)) {
959 		/* Check for unknown headers. */
960 		i++;
961 
962 		if (extv[0]->spd_ext_type == 0 ||
963 		    extv[0]->spd_ext_type > SPD_EXT_MAX) {
964 			if (diag_buf != NULL) {
965 				(void) snprintf(diag_buf, diag_buf_len,
966 				    "spdsock ext 0x%X unknown: 0x%X",
967 				    i, extv[0]->spd_ext_type);
968 			}
969 			return (KGE_UNK);
970 		}
971 
972 		/*
973 		 * Check length.  Use uint64_t because extlen is in units
974 		 * of 64-bit words.  If length goes beyond the msgsize,
975 		 * return an error.  (Zero length also qualifies here.)
976 		 */
977 		if (extv[0]->spd_ext_len == 0 ||
978 		    (uint8_t *)((uint64_t *)extv[0] + extv[0]->spd_ext_len) >
979 		    (uint8_t *)((uint8_t *)basehdr + msgsize))
980 			return (KGE_LEN);
981 
982 		/* Check for redundant headers. */
983 		if (extv[extv[0]->spd_ext_type] != NULL)
984 			return (KGE_DUP);
985 
986 		/* If I make it here, assign the appropriate bin. */
987 		extv[extv[0]->spd_ext_type] = extv[0];
988 
989 		/* Advance pointer (See above for uint64_t ptr reasoning.) */
990 		extv[0] = (spd_ext_t *)
991 		    ((uint64_t *)extv[0] + extv[0]->spd_ext_len);
992 	}
993 
994 	/* Everything's cool. */
995 
996 	/*
997 	 * If extv[0] == NULL, then there are no extension headers in this
998 	 * message.  Ensure that this is the case.
999 	 */
1000 	if (extv[0] == (spd_ext_t *)(basehdr + 1))
1001 		extv[0] = NULL;
1002 
1003 	return (KGE_OK);
1004 }
1005 
1006 const char *
1007 spdsock_diag(int diagnostic)
1008 {
1009 	switch (diagnostic) {
1010 	case SPD_DIAGNOSTIC_NONE:
1011 		return (dgettext(TEXT_DOMAIN, "no error"));
1012 	case SPD_DIAGNOSTIC_UNKNOWN_EXT:
1013 		return (dgettext(TEXT_DOMAIN, "unknown extension"));
1014 	case SPD_DIAGNOSTIC_BAD_EXTLEN:
1015 		return (dgettext(TEXT_DOMAIN, "bad extension length"));
1016 	case SPD_DIAGNOSTIC_NO_RULE_EXT:
1017 		return (dgettext(TEXT_DOMAIN, "no rule extension"));
1018 	case SPD_DIAGNOSTIC_BAD_ADDR_LEN:
1019 		return (dgettext(TEXT_DOMAIN, "bad address len"));
1020 	case SPD_DIAGNOSTIC_MIXED_AF:
1021 		return (dgettext(TEXT_DOMAIN, "mixed address family"));
1022 	case SPD_DIAGNOSTIC_ADD_NO_MEM:
1023 		return (dgettext(TEXT_DOMAIN, "add: no memory"));
1024 	case SPD_DIAGNOSTIC_ADD_WRONG_ACT_COUNT:
1025 		return (dgettext(TEXT_DOMAIN, "add: wrong action count"));
1026 	case SPD_DIAGNOSTIC_ADD_BAD_TYPE:
1027 		return (dgettext(TEXT_DOMAIN, "add: bad type"));
1028 	case SPD_DIAGNOSTIC_ADD_BAD_FLAGS:
1029 		return (dgettext(TEXT_DOMAIN, "add: bad flags"));
1030 	case SPD_DIAGNOSTIC_ADD_INCON_FLAGS:
1031 		return (dgettext(TEXT_DOMAIN, "add: inconsistent flags"));
1032 	case SPD_DIAGNOSTIC_MALFORMED_LCLPORT:
1033 		return (dgettext(TEXT_DOMAIN, "malformed local port"));
1034 	case SPD_DIAGNOSTIC_DUPLICATE_LCLPORT:
1035 		return (dgettext(TEXT_DOMAIN, "duplicate local port"));
1036 	case SPD_DIAGNOSTIC_MALFORMED_REMPORT:
1037 		return (dgettext(TEXT_DOMAIN, "malformed remote port"));
1038 	case SPD_DIAGNOSTIC_DUPLICATE_REMPORT:
1039 		return (dgettext(TEXT_DOMAIN, "duplicate remote port"));
1040 	case SPD_DIAGNOSTIC_MALFORMED_PROTO:
1041 		return (dgettext(TEXT_DOMAIN, "malformed proto"));
1042 	case SPD_DIAGNOSTIC_DUPLICATE_PROTO:
1043 		return (dgettext(TEXT_DOMAIN, "duplicate proto"));
1044 	case SPD_DIAGNOSTIC_MALFORMED_LCLADDR:
1045 		return (dgettext(TEXT_DOMAIN, "malformed local address"));
1046 	case SPD_DIAGNOSTIC_DUPLICATE_LCLADDR:
1047 		return (dgettext(TEXT_DOMAIN, "duplicate local address"));
1048 	case SPD_DIAGNOSTIC_MALFORMED_REMADDR:
1049 		return (dgettext(TEXT_DOMAIN, "malformed remote address"));
1050 	case SPD_DIAGNOSTIC_DUPLICATE_REMADDR:
1051 		return (dgettext(TEXT_DOMAIN, "duplicate remote address"));
1052 	case SPD_DIAGNOSTIC_MALFORMED_ACTION:
1053 		return (dgettext(TEXT_DOMAIN, "malformed action"));
1054 	case SPD_DIAGNOSTIC_DUPLICATE_ACTION:
1055 		return (dgettext(TEXT_DOMAIN, "duplicate action"));
1056 	case SPD_DIAGNOSTIC_MALFORMED_RULE:
1057 		return (dgettext(TEXT_DOMAIN, "malformed rule"));
1058 	case SPD_DIAGNOSTIC_DUPLICATE_RULE:
1059 		return (dgettext(TEXT_DOMAIN, "duplicate rule"));
1060 	case SPD_DIAGNOSTIC_MALFORMED_RULESET:
1061 		return (dgettext(TEXT_DOMAIN, "malformed ruleset"));
1062 	case SPD_DIAGNOSTIC_DUPLICATE_RULESET:
1063 		return (dgettext(TEXT_DOMAIN, "duplicate ruleset"));
1064 	case SPD_DIAGNOSTIC_INVALID_RULE_INDEX:
1065 		return (dgettext(TEXT_DOMAIN, "invalid rule index"));
1066 	case SPD_DIAGNOSTIC_BAD_SPDID:
1067 		return (dgettext(TEXT_DOMAIN, "bad spdid"));
1068 	case SPD_DIAGNOSTIC_BAD_MSG_TYPE:
1069 		return (dgettext(TEXT_DOMAIN, "bad message type"));
1070 	case SPD_DIAGNOSTIC_UNSUPP_AH_ALG:
1071 		return (dgettext(TEXT_DOMAIN, "unsupported AH algorithm"));
1072 	case SPD_DIAGNOSTIC_UNSUPP_ESP_ENCR_ALG:
1073 		return (dgettext(TEXT_DOMAIN,
1074 		    "unsupported ESP encryption algorithm"));
1075 	case SPD_DIAGNOSTIC_UNSUPP_ESP_AUTH_ALG:
1076 		return (dgettext(TEXT_DOMAIN,
1077 		    "unsupported ESP authentication algorithm"));
1078 	case SPD_DIAGNOSTIC_UNSUPP_AH_KEYSIZE:
1079 		return (dgettext(TEXT_DOMAIN, "unsupported AH key size"));
1080 	case SPD_DIAGNOSTIC_UNSUPP_ESP_ENCR_KEYSIZE:
1081 		return (dgettext(TEXT_DOMAIN,
1082 		    "unsupported ESP encryption key size"));
1083 	case SPD_DIAGNOSTIC_UNSUPP_ESP_AUTH_KEYSIZE:
1084 		return (dgettext(TEXT_DOMAIN,
1085 		    "unsupported ESP authentication key size"));
1086 	case SPD_DIAGNOSTIC_NO_ACTION_EXT:
1087 		return (dgettext(TEXT_DOMAIN, "No ACTION extension"));
1088 	case SPD_DIAGNOSTIC_ALG_ID_RANGE:
1089 		return (dgettext(TEXT_DOMAIN, "invalid algorithm identifer"));
1090 	case SPD_DIAGNOSTIC_ALG_NUM_KEY_SIZES:
1091 		return (dgettext(TEXT_DOMAIN,
1092 		    "number of key sizes inconsistent"));
1093 	case SPD_DIAGNOSTIC_ALG_NUM_BLOCK_SIZES:
1094 		return (dgettext(TEXT_DOMAIN,
1095 		    "number of block sizes inconsistent"));
1096 	case SPD_DIAGNOSTIC_ALG_MECH_NAME_LEN:
1097 		return (dgettext(TEXT_DOMAIN, "invalid mechanism name length"));
1098 	case SPD_DIAGNOSTIC_NOT_GLOBAL_OP:
1099 		return (dgettext(TEXT_DOMAIN,
1100 		    "operation not applicable to all policies"));
1101 	case SPD_DIAGNOSTIC_NO_TUNNEL_SELECTORS:
1102 		return (dgettext(TEXT_DOMAIN,
1103 		    "using selectors on a transport-mode tunnel"));
1104 	default:
1105 		return (dgettext(TEXT_DOMAIN, "unknown diagnostic"));
1106 	}
1107 }
1108 
1109 /*
1110  * PF_KEY Diagnostic table.
1111  *
1112  * PF_KEY NOTE:  If you change pfkeyv2.h's SADB_X_DIAGNOSTIC_* space, this is
1113  * where you need to add new messages.
1114  */
1115 
1116 const char *
1117 keysock_diag(int diagnostic)
1118 {
1119 	switch (diagnostic) {
1120 	case SADB_X_DIAGNOSTIC_NONE:
1121 		return (dgettext(TEXT_DOMAIN, "No diagnostic"));
1122 	case SADB_X_DIAGNOSTIC_UNKNOWN_MSG:
1123 		return (dgettext(TEXT_DOMAIN, "Unknown message type"));
1124 	case SADB_X_DIAGNOSTIC_UNKNOWN_EXT:
1125 		return (dgettext(TEXT_DOMAIN, "Unknown extension type"));
1126 	case SADB_X_DIAGNOSTIC_BAD_EXTLEN:
1127 		return (dgettext(TEXT_DOMAIN, "Bad extension length"));
1128 	case SADB_X_DIAGNOSTIC_UNKNOWN_SATYPE:
1129 		return (dgettext(TEXT_DOMAIN,
1130 		    "Unknown Security Association type"));
1131 	case SADB_X_DIAGNOSTIC_SATYPE_NEEDED:
1132 		return (dgettext(TEXT_DOMAIN,
1133 		    "Specific Security Association type needed"));
1134 	case SADB_X_DIAGNOSTIC_NO_SADBS:
1135 		return (dgettext(TEXT_DOMAIN,
1136 		    "No Security Association Databases present"));
1137 	case SADB_X_DIAGNOSTIC_NO_EXT:
1138 		return (dgettext(TEXT_DOMAIN,
1139 		    "No extensions needed for message"));
1140 	case SADB_X_DIAGNOSTIC_BAD_SRC_AF:
1141 		return (dgettext(TEXT_DOMAIN, "Bad source address family"));
1142 	case SADB_X_DIAGNOSTIC_BAD_DST_AF:
1143 		return (dgettext(TEXT_DOMAIN,
1144 		    "Bad destination address family"));
1145 	case SADB_X_DIAGNOSTIC_BAD_PROXY_AF:
1146 		return (dgettext(TEXT_DOMAIN,
1147 		    "Bad inner-source address family"));
1148 	case SADB_X_DIAGNOSTIC_AF_MISMATCH:
1149 		return (dgettext(TEXT_DOMAIN,
1150 		    "Source/destination address family mismatch"));
1151 	case SADB_X_DIAGNOSTIC_BAD_SRC:
1152 		return (dgettext(TEXT_DOMAIN, "Bad source address value"));
1153 	case SADB_X_DIAGNOSTIC_BAD_DST:
1154 		return (dgettext(TEXT_DOMAIN, "Bad destination address value"));
1155 	case SADB_X_DIAGNOSTIC_ALLOC_HSERR:
1156 		return (dgettext(TEXT_DOMAIN,
1157 		    "Soft allocations limit more than hard limit"));
1158 	case SADB_X_DIAGNOSTIC_BYTES_HSERR:
1159 		return (dgettext(TEXT_DOMAIN,
1160 		    "Soft bytes limit more than hard limit"));
1161 	case SADB_X_DIAGNOSTIC_ADDTIME_HSERR:
1162 		return (dgettext(TEXT_DOMAIN, "Soft add expiration time later "
1163 		    "than hard expiration time"));
1164 	case SADB_X_DIAGNOSTIC_USETIME_HSERR:
1165 		return (dgettext(TEXT_DOMAIN, "Soft use expiration time later "
1166 		    "than hard expiration time"));
1167 	case SADB_X_DIAGNOSTIC_MISSING_SRC:
1168 		return (dgettext(TEXT_DOMAIN, "Missing source address"));
1169 	case SADB_X_DIAGNOSTIC_MISSING_DST:
1170 		return (dgettext(TEXT_DOMAIN, "Missing destination address"));
1171 	case SADB_X_DIAGNOSTIC_MISSING_SA:
1172 		return (dgettext(TEXT_DOMAIN, "Missing SA extension"));
1173 	case SADB_X_DIAGNOSTIC_MISSING_EKEY:
1174 		return (dgettext(TEXT_DOMAIN, "Missing encryption key"));
1175 	case SADB_X_DIAGNOSTIC_MISSING_AKEY:
1176 		return (dgettext(TEXT_DOMAIN, "Missing authentication key"));
1177 	case SADB_X_DIAGNOSTIC_MISSING_RANGE:
1178 		return (dgettext(TEXT_DOMAIN, "Missing SPI range"));
1179 	case SADB_X_DIAGNOSTIC_DUPLICATE_SRC:
1180 		return (dgettext(TEXT_DOMAIN, "Duplicate source address"));
1181 	case SADB_X_DIAGNOSTIC_DUPLICATE_DST:
1182 		return (dgettext(TEXT_DOMAIN, "Duplicate destination address"));
1183 	case SADB_X_DIAGNOSTIC_DUPLICATE_SA:
1184 		return (dgettext(TEXT_DOMAIN, "Duplicate SA extension"));
1185 	case SADB_X_DIAGNOSTIC_DUPLICATE_EKEY:
1186 		return (dgettext(TEXT_DOMAIN, "Duplicate encryption key"));
1187 	case SADB_X_DIAGNOSTIC_DUPLICATE_AKEY:
1188 		return (dgettext(TEXT_DOMAIN, "Duplicate authentication key"));
1189 	case SADB_X_DIAGNOSTIC_DUPLICATE_RANGE:
1190 		return (dgettext(TEXT_DOMAIN, "Duplicate SPI range"));
1191 	case SADB_X_DIAGNOSTIC_MALFORMED_SRC:
1192 		return (dgettext(TEXT_DOMAIN, "Malformed source address"));
1193 	case SADB_X_DIAGNOSTIC_MALFORMED_DST:
1194 		return (dgettext(TEXT_DOMAIN, "Malformed destination address"));
1195 	case SADB_X_DIAGNOSTIC_MALFORMED_SA:
1196 		return (dgettext(TEXT_DOMAIN, "Malformed SA extension"));
1197 	case SADB_X_DIAGNOSTIC_MALFORMED_EKEY:
1198 		return (dgettext(TEXT_DOMAIN, "Malformed encryption key"));
1199 	case SADB_X_DIAGNOSTIC_MALFORMED_AKEY:
1200 		return (dgettext(TEXT_DOMAIN, "Malformed authentication key"));
1201 	case SADB_X_DIAGNOSTIC_MALFORMED_RANGE:
1202 		return (dgettext(TEXT_DOMAIN, "Malformed SPI range"));
1203 	case SADB_X_DIAGNOSTIC_AKEY_PRESENT:
1204 		return (dgettext(TEXT_DOMAIN, "Authentication key not needed"));
1205 	case SADB_X_DIAGNOSTIC_EKEY_PRESENT:
1206 		return (dgettext(TEXT_DOMAIN, "Encryption key not needed"));
1207 	case SADB_X_DIAGNOSTIC_PROP_PRESENT:
1208 		return (dgettext(TEXT_DOMAIN, "Proposal extension not needed"));
1209 	case SADB_X_DIAGNOSTIC_SUPP_PRESENT:
1210 		return (dgettext(TEXT_DOMAIN,
1211 		    "Supported algorithms extension not needed"));
1212 	case SADB_X_DIAGNOSTIC_BAD_AALG:
1213 		return (dgettext(TEXT_DOMAIN,
1214 		    "Unsupported authentication algorithm"));
1215 	case SADB_X_DIAGNOSTIC_BAD_EALG:
1216 		return (dgettext(TEXT_DOMAIN,
1217 		    "Unsupported encryption algorithm"));
1218 	case SADB_X_DIAGNOSTIC_BAD_SAFLAGS:
1219 		return (dgettext(TEXT_DOMAIN, "Invalid SA flags"));
1220 	case SADB_X_DIAGNOSTIC_BAD_SASTATE:
1221 		return (dgettext(TEXT_DOMAIN, "Invalid SA state"));
1222 	case SADB_X_DIAGNOSTIC_BAD_AKEYBITS:
1223 		return (dgettext(TEXT_DOMAIN,
1224 		    "Bad number of authentication bits"));
1225 	case SADB_X_DIAGNOSTIC_BAD_EKEYBITS:
1226 		return (dgettext(TEXT_DOMAIN,
1227 		    "Bad number of encryption bits"));
1228 	case SADB_X_DIAGNOSTIC_ENCR_NOTSUPP:
1229 		return (dgettext(TEXT_DOMAIN,
1230 		    "Encryption not supported for this SA type"));
1231 	case SADB_X_DIAGNOSTIC_WEAK_EKEY:
1232 		return (dgettext(TEXT_DOMAIN, "Weak encryption key"));
1233 	case SADB_X_DIAGNOSTIC_WEAK_AKEY:
1234 		return (dgettext(TEXT_DOMAIN, "Weak authentication key"));
1235 	case SADB_X_DIAGNOSTIC_DUPLICATE_KMP:
1236 		return (dgettext(TEXT_DOMAIN,
1237 		    "Duplicate key management protocol"));
1238 	case SADB_X_DIAGNOSTIC_DUPLICATE_KMC:
1239 		return (dgettext(TEXT_DOMAIN,
1240 		    "Duplicate key management cookie"));
1241 	case SADB_X_DIAGNOSTIC_MISSING_NATT_LOC:
1242 		return (dgettext(TEXT_DOMAIN, "Missing NAT-T local address"));
1243 	case SADB_X_DIAGNOSTIC_MISSING_NATT_REM:
1244 		return (dgettext(TEXT_DOMAIN, "Missing NAT-T remote address"));
1245 	case SADB_X_DIAGNOSTIC_DUPLICATE_NATT_LOC:
1246 		return (dgettext(TEXT_DOMAIN, "Duplicate NAT-T local address"));
1247 	case SADB_X_DIAGNOSTIC_DUPLICATE_NATT_REM:
1248 		return (dgettext(TEXT_DOMAIN,
1249 		    "Duplicate NAT-T remote address"));
1250 	case SADB_X_DIAGNOSTIC_MALFORMED_NATT_LOC:
1251 		return (dgettext(TEXT_DOMAIN, "Malformed NAT-T local address"));
1252 	case SADB_X_DIAGNOSTIC_MALFORMED_NATT_REM:
1253 		return (dgettext(TEXT_DOMAIN,
1254 		    "Malformed NAT-T remote address"));
1255 	case SADB_X_DIAGNOSTIC_DUPLICATE_NATT_PORTS:
1256 		return (dgettext(TEXT_DOMAIN, "Duplicate NAT-T ports"));
1257 	case SADB_X_DIAGNOSTIC_MISSING_INNER_SRC:
1258 		return (dgettext(TEXT_DOMAIN, "Missing inner source address"));
1259 	case SADB_X_DIAGNOSTIC_MISSING_INNER_DST:
1260 		return (dgettext(TEXT_DOMAIN,
1261 		    "Missing inner destination address"));
1262 	case SADB_X_DIAGNOSTIC_DUPLICATE_INNER_SRC:
1263 		return (dgettext(TEXT_DOMAIN,
1264 		    "Duplicate inner source address"));
1265 	case SADB_X_DIAGNOSTIC_DUPLICATE_INNER_DST:
1266 		return (dgettext(TEXT_DOMAIN,
1267 		    "Duplicate inner destination address"));
1268 	case SADB_X_DIAGNOSTIC_MALFORMED_INNER_SRC:
1269 		return (dgettext(TEXT_DOMAIN,
1270 		    "Malformed inner source address"));
1271 	case SADB_X_DIAGNOSTIC_MALFORMED_INNER_DST:
1272 		return (dgettext(TEXT_DOMAIN,
1273 		    "Malformed inner destination address"));
1274 	case SADB_X_DIAGNOSTIC_PREFIX_INNER_SRC:
1275 		return (dgettext(TEXT_DOMAIN,
1276 		    "Invalid inner-source prefix length "));
1277 	case SADB_X_DIAGNOSTIC_PREFIX_INNER_DST:
1278 		return (dgettext(TEXT_DOMAIN,
1279 		    "Invalid inner-destination prefix length"));
1280 	case SADB_X_DIAGNOSTIC_BAD_INNER_DST_AF:
1281 		return (dgettext(TEXT_DOMAIN,
1282 		    "Bad inner-destination address family"));
1283 	case SADB_X_DIAGNOSTIC_INNER_AF_MISMATCH:
1284 		return (dgettext(TEXT_DOMAIN,
1285 		    "Inner source/destination address family mismatch"));
1286 	case SADB_X_DIAGNOSTIC_BAD_NATT_REM_AF:
1287 		return (dgettext(TEXT_DOMAIN,
1288 		    "Bad NAT-T remote address family"));
1289 	case SADB_X_DIAGNOSTIC_BAD_NATT_LOC_AF:
1290 		return (dgettext(TEXT_DOMAIN,
1291 		    "Bad NAT-T local address family"));
1292 	case SADB_X_DIAGNOSTIC_PROTO_MISMATCH:
1293 		return (dgettext(TEXT_DOMAIN,
1294 		    "Source/desination protocol mismatch"));
1295 	case SADB_X_DIAGNOSTIC_INNER_PROTO_MISMATCH:
1296 		return (dgettext(TEXT_DOMAIN,
1297 		    "Inner source/desination protocol mismatch"));
1298 	case SADB_X_DIAGNOSTIC_DUAL_PORT_SETS:
1299 		return (dgettext(TEXT_DOMAIN,
1300 		    "Both inner ports and outer ports are set"));
1301 	case SADB_X_DIAGNOSTIC_PAIR_INAPPROPRIATE:
1302 		return (dgettext(TEXT_DOMAIN,
1303 		    "Pairing failed, target SA unsuitable for pairing"));
1304 	case SADB_X_DIAGNOSTIC_PAIR_ADD_MISMATCH:
1305 		return (dgettext(TEXT_DOMAIN,
1306 		    "Source/destination address differs from pair SA"));
1307 	case SADB_X_DIAGNOSTIC_PAIR_ALREADY:
1308 		return (dgettext(TEXT_DOMAIN,
1309 		    "Already paired with another security association"));
1310 	case SADB_X_DIAGNOSTIC_PAIR_SA_NOTFOUND:
1311 		return (dgettext(TEXT_DOMAIN,
1312 		    "Command failed, pair security association not found"));
1313 	case SADB_X_DIAGNOSTIC_BAD_SA_DIRECTION:
1314 		return (dgettext(TEXT_DOMAIN,
1315 		    "Inappropriate SA direction"));
1316 	case SADB_X_DIAGNOSTIC_SA_NOTFOUND:
1317 		return (dgettext(TEXT_DOMAIN,
1318 		    "Security association not found"));
1319 	case SADB_X_DIAGNOSTIC_SA_EXPIRED:
1320 		return (dgettext(TEXT_DOMAIN,
1321 		    "Security association is not valid"));
1322 	default:
1323 		return (dgettext(TEXT_DOMAIN, "Unknown diagnostic code"));
1324 	}
1325 }
1326 
1327 /*
1328  * Convert an IPv6 mask to a prefix len.  I assume all IPv6 masks are
1329  * contiguous, so I stop at the first zero bit!
1330  */
1331 int
1332 in_masktoprefix(uint8_t *mask, boolean_t is_v4mapped)
1333 {
1334 	int rc = 0;
1335 	uint8_t last;
1336 	int limit = IPV6_ABITS;
1337 
1338 	if (is_v4mapped) {
1339 		mask += ((IPV6_ABITS - IP_ABITS)/8);
1340 		limit = IP_ABITS;
1341 	}
1342 
1343 	while (*mask == 0xff) {
1344 		rc += 8;
1345 		if (rc == limit)
1346 			return (limit);
1347 		mask++;
1348 	}
1349 
1350 	last = *mask;
1351 	while (last != 0) {
1352 		rc++;
1353 		last = (last << 1) & 0xff;
1354 	}
1355 
1356 	return (rc);
1357 }
1358 
1359 /*
1360  * Expand the diagnostic code into a message.
1361  */
1362 void
1363 print_diagnostic(FILE *file, uint16_t diagnostic)
1364 {
1365 	/* Use two spaces so above strings can fit on the line. */
1366 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
1367 	    "  Diagnostic code %u:  %s.\n"),
1368 	    diagnostic, keysock_diag(diagnostic));
1369 }
1370 
1371 /*
1372  * Prints the base PF_KEY message.
1373  */
1374 void
1375 print_sadb_msg(FILE *file, struct sadb_msg *samsg, time_t wallclock,
1376     boolean_t vflag)
1377 {
1378 	if (wallclock != 0)
1379 		printsatime(file, wallclock, dgettext(TEXT_DOMAIN,
1380 		    "%sTimestamp: %s\n"), "", NULL,
1381 		    vflag);
1382 
1383 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
1384 	    "Base message (version %u) type "),
1385 	    samsg->sadb_msg_version);
1386 	switch (samsg->sadb_msg_type) {
1387 	case SADB_RESERVED:
1388 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1389 		    "RESERVED (warning: set to 0)"));
1390 		break;
1391 	case SADB_GETSPI:
1392 		(void) fprintf(file, "GETSPI");
1393 		break;
1394 	case SADB_UPDATE:
1395 		(void) fprintf(file, "UPDATE");
1396 		break;
1397 	case SADB_X_UPDATEPAIR:
1398 		(void) fprintf(file, "UPDATE PAIR");
1399 		break;
1400 	case SADB_ADD:
1401 		(void) fprintf(file, "ADD");
1402 		break;
1403 	case SADB_DELETE:
1404 		(void) fprintf(file, "DELETE");
1405 		break;
1406 	case SADB_X_DELPAIR:
1407 		(void) fprintf(file, "DELETE PAIR");
1408 		break;
1409 	case SADB_GET:
1410 		(void) fprintf(file, "GET");
1411 		break;
1412 	case SADB_ACQUIRE:
1413 		(void) fprintf(file, "ACQUIRE");
1414 		break;
1415 	case SADB_REGISTER:
1416 		(void) fprintf(file, "REGISTER");
1417 		break;
1418 	case SADB_EXPIRE:
1419 		(void) fprintf(file, "EXPIRE");
1420 		break;
1421 	case SADB_FLUSH:
1422 		(void) fprintf(file, "FLUSH");
1423 		break;
1424 	case SADB_DUMP:
1425 		(void) fprintf(file, "DUMP");
1426 		break;
1427 	case SADB_X_PROMISC:
1428 		(void) fprintf(file, "X_PROMISC");
1429 		break;
1430 	case SADB_X_INVERSE_ACQUIRE:
1431 		(void) fprintf(file, "X_INVERSE_ACQUIRE");
1432 		break;
1433 	default:
1434 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1435 		    "Unknown (%u)"), samsg->sadb_msg_type);
1436 		break;
1437 	}
1438 	(void) fprintf(file, dgettext(TEXT_DOMAIN, ", SA type "));
1439 
1440 	switch (samsg->sadb_msg_satype) {
1441 	case SADB_SATYPE_UNSPEC:
1442 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1443 		    "<unspecified/all>"));
1444 		break;
1445 	case SADB_SATYPE_AH:
1446 		(void) fprintf(file, "AH");
1447 		break;
1448 	case SADB_SATYPE_ESP:
1449 		(void) fprintf(file, "ESP");
1450 		break;
1451 	case SADB_SATYPE_RSVP:
1452 		(void) fprintf(file, "RSVP");
1453 		break;
1454 	case SADB_SATYPE_OSPFV2:
1455 		(void) fprintf(file, "OSPFv2");
1456 		break;
1457 	case SADB_SATYPE_RIPV2:
1458 		(void) fprintf(file, "RIPv2");
1459 		break;
1460 	case SADB_SATYPE_MIP:
1461 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "Mobile IP"));
1462 		break;
1463 	default:
1464 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1465 		    "<unknown %u>"), samsg->sadb_msg_satype);
1466 		break;
1467 	}
1468 
1469 	(void) fprintf(file, ".\n");
1470 
1471 	if (samsg->sadb_msg_errno != 0) {
1472 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1473 		    "Error %s from PF_KEY.\n"),
1474 		    strerror(samsg->sadb_msg_errno));
1475 		print_diagnostic(file, samsg->sadb_x_msg_diagnostic);
1476 	}
1477 
1478 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
1479 	    "Message length %u bytes, seq=%u, pid=%u.\n"),
1480 	    SADB_64TO8(samsg->sadb_msg_len), samsg->sadb_msg_seq,
1481 	    samsg->sadb_msg_pid);
1482 }
1483 
1484 /*
1485  * Print the SA extension for PF_KEY.
1486  */
1487 void
1488 print_sa(FILE *file, char *prefix, struct sadb_sa *assoc)
1489 {
1490 	if (assoc->sadb_sa_len != SADB_8TO64(sizeof (*assoc))) {
1491 		warnxfp(EFD(file), dgettext(TEXT_DOMAIN,
1492 		    "WARNING: SA info extension length (%u) is bad."),
1493 		    SADB_64TO8(assoc->sadb_sa_len));
1494 	}
1495 
1496 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
1497 	    "%sSADB_ASSOC spi=0x%x, replay window size=%u, state="),
1498 	    prefix, ntohl(assoc->sadb_sa_spi), assoc->sadb_sa_replay);
1499 	switch (assoc->sadb_sa_state) {
1500 	case SADB_SASTATE_LARVAL:
1501 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "LARVAL"));
1502 		break;
1503 	case SADB_SASTATE_MATURE:
1504 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "MATURE"));
1505 		break;
1506 	case SADB_SASTATE_DYING:
1507 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "DYING"));
1508 		break;
1509 	case SADB_SASTATE_DEAD:
1510 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "DEAD"));
1511 		break;
1512 	case SADB_X_SASTATE_ACTIVE_ELSEWHERE:
1513 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1514 		    "ACTIVE_ELSEWHERE"));
1515 		break;
1516 	case SADB_X_SASTATE_IDLE:
1517 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "IDLE"));
1518 		break;
1519 	default:
1520 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1521 		    "<unknown %u>"), assoc->sadb_sa_state);
1522 	}
1523 
1524 	if (assoc->sadb_sa_auth != SADB_AALG_NONE) {
1525 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1526 		    "\n%sAuthentication algorithm = "),
1527 		    prefix);
1528 		(void) dump_aalg(assoc->sadb_sa_auth, file);
1529 	}
1530 
1531 	if (assoc->sadb_sa_encrypt != SADB_EALG_NONE) {
1532 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1533 		    "\n%sEncryption algorithm = "), prefix);
1534 		(void) dump_ealg(assoc->sadb_sa_encrypt, file);
1535 	}
1536 
1537 	(void) fprintf(file, dgettext(TEXT_DOMAIN, "\n%sflags=0x%x < "), prefix,
1538 	    assoc->sadb_sa_flags);
1539 	if (assoc->sadb_sa_flags & SADB_SAFLAGS_PFS)
1540 		(void) fprintf(file, "PFS ");
1541 	if (assoc->sadb_sa_flags & SADB_SAFLAGS_NOREPLAY)
1542 		(void) fprintf(file, "NOREPLAY ");
1543 
1544 	/* BEGIN Solaris-specific flags. */
1545 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_USED)
1546 		(void) fprintf(file, "X_USED ");
1547 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_PAIRED)
1548 		(void) fprintf(file, "X_PAIRED ");
1549 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_OUTBOUND)
1550 		(void) fprintf(file, "X_OUTBOUND ");
1551 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_INBOUND)
1552 		(void) fprintf(file, "X_INBOUND ");
1553 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_UNIQUE)
1554 		(void) fprintf(file, "X_UNIQUE ");
1555 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_AALG1)
1556 		(void) fprintf(file, "X_AALG1 ");
1557 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_AALG2)
1558 		(void) fprintf(file, "X_AALG2 ");
1559 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_EALG1)
1560 		(void) fprintf(file, "X_EALG1 ");
1561 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_EALG2)
1562 		(void) fprintf(file, "X_EALG2 ");
1563 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_NATT_LOC)
1564 		(void) fprintf(file, "X_NATT_LOC ");
1565 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_NATT_REM)
1566 		(void) fprintf(file, "X_NATT_REM ");
1567 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_TUNNEL)
1568 		(void) fprintf(file, "X_TUNNEL ");
1569 	if (assoc->sadb_sa_flags & SADB_X_SAFLAGS_NATTED)
1570 		(void) fprintf(file, "X_NATTED ");
1571 	/* END Solaris-specific flags. */
1572 
1573 	(void) fprintf(file, ">\n");
1574 }
1575 
1576 void
1577 printsatime(FILE *file, int64_t lt, const char *msg, const char *pfx,
1578     const char *pfx2, boolean_t vflag)
1579 {
1580 	char tbuf[TBUF_SIZE]; /* For strftime() call. */
1581 	const char *tp = tbuf;
1582 	time_t t = lt;
1583 	struct tm res;
1584 
1585 	if (t != lt) {
1586 		if (lt > 0)
1587 			t = LONG_MAX;
1588 		else
1589 			t = LONG_MIN;
1590 	}
1591 
1592 	if (strftime(tbuf, TBUF_SIZE, NULL, localtime_r(&t, &res)) == 0)
1593 		tp = dgettext(TEXT_DOMAIN, "<time conversion failed>");
1594 	(void) fprintf(file, msg, pfx, tp);
1595 	if (vflag && (pfx2 != NULL))
1596 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1597 		    "%s\t(raw time value %" PRIu64 ")\n"), pfx2, lt);
1598 }
1599 
1600 /*
1601  * Print the SA lifetime information.  (An SADB_EXT_LIFETIME_* extension.)
1602  */
1603 void
1604 print_lifetimes(FILE *file, time_t wallclock, struct sadb_lifetime *current,
1605     struct sadb_lifetime *hard, struct sadb_lifetime *soft,
1606     struct sadb_lifetime *idle, boolean_t vflag)
1607 {
1608 	int64_t scratch;
1609 	char *soft_prefix = dgettext(TEXT_DOMAIN, "SLT: ");
1610 	char *hard_prefix = dgettext(TEXT_DOMAIN, "HLT: ");
1611 	char *current_prefix = dgettext(TEXT_DOMAIN, "CLT: ");
1612 	char *idle_prefix = dgettext(TEXT_DOMAIN, "ILT: ");
1613 
1614 	if (current != NULL &&
1615 	    current->sadb_lifetime_len != SADB_8TO64(sizeof (*current))) {
1616 		warnxfp(EFD(file), dgettext(TEXT_DOMAIN,
1617 		    "WARNING: CURRENT lifetime extension length (%u) is bad."),
1618 		    SADB_64TO8(current->sadb_lifetime_len));
1619 	}
1620 
1621 	if (hard != NULL &&
1622 	    hard->sadb_lifetime_len != SADB_8TO64(sizeof (*hard))) {
1623 		warnxfp(EFD(file), dgettext(TEXT_DOMAIN,
1624 		    "WARNING: HARD lifetime extension length (%u) is bad."),
1625 		    SADB_64TO8(hard->sadb_lifetime_len));
1626 	}
1627 
1628 	if (soft != NULL &&
1629 	    soft->sadb_lifetime_len != SADB_8TO64(sizeof (*soft))) {
1630 		warnxfp(EFD(file), dgettext(TEXT_DOMAIN,
1631 		    "WARNING: SOFT lifetime extension length (%u) is bad."),
1632 		    SADB_64TO8(soft->sadb_lifetime_len));
1633 	}
1634 
1635 	if (idle != NULL &&
1636 	    idle->sadb_lifetime_len != SADB_8TO64(sizeof (*idle))) {
1637 		warnxfp(EFD(file), dgettext(TEXT_DOMAIN,
1638 		    "WARNING: IDLE lifetime extension length (%u) is bad."),
1639 		    SADB_64TO8(idle->sadb_lifetime_len));
1640 	}
1641 
1642 	(void) fprintf(file, " LT: Lifetime information\n");
1643 
1644 	if (current != NULL) {
1645 		/* Express values as current values. */
1646 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1647 		    "%s%" PRIu64 " bytes protected, %u allocations used.\n"),
1648 		    current_prefix, current->sadb_lifetime_bytes,
1649 		    current->sadb_lifetime_allocations);
1650 		printsatime(file, current->sadb_lifetime_addtime,
1651 		    dgettext(TEXT_DOMAIN, "%sSA added at time %s\n"),
1652 		    current_prefix, current_prefix, vflag);
1653 		if (current->sadb_lifetime_usetime != 0) {
1654 			printsatime(file, current->sadb_lifetime_usetime,
1655 			    dgettext(TEXT_DOMAIN,
1656 			    "%sSA first used at time %s\n"),
1657 			    current_prefix, current_prefix, vflag);
1658 		}
1659 		printsatime(file, wallclock, dgettext(TEXT_DOMAIN,
1660 		    "%sTime now is %s\n"), current_prefix, current_prefix,
1661 		    vflag);
1662 	}
1663 
1664 	if (soft != NULL) {
1665 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1666 		    "%sSoft lifetime information:  "),
1667 		    soft_prefix);
1668 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1669 		    "%" PRIu64 " bytes of lifetime, %u "
1670 		    "allocations.\n"), soft->sadb_lifetime_bytes,
1671 		    soft->sadb_lifetime_allocations);
1672 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1673 		    "%s%" PRIu64 " seconds of post-add lifetime.\n"),
1674 		    soft_prefix, soft->sadb_lifetime_addtime);
1675 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1676 		    "%s%" PRIu64 " seconds of post-use lifetime.\n"),
1677 		    soft_prefix, soft->sadb_lifetime_usetime);
1678 		/* If possible, express values as time remaining. */
1679 		if (current != NULL) {
1680 			if (soft->sadb_lifetime_bytes != 0)
1681 				(void) fprintf(file, dgettext(TEXT_DOMAIN, "%s%"
1682 				    PRIu64 " more bytes can be protected.\n"),
1683 				    soft_prefix,
1684 				    (soft->sadb_lifetime_bytes >
1685 				    current->sadb_lifetime_bytes) ?
1686 				    (soft->sadb_lifetime_bytes -
1687 				    current->sadb_lifetime_bytes) : (0));
1688 			if (soft->sadb_lifetime_addtime != 0 ||
1689 			    (soft->sadb_lifetime_usetime != 0 &&
1690 			    current->sadb_lifetime_usetime != 0)) {
1691 				int64_t adddelta, usedelta;
1692 
1693 				if (soft->sadb_lifetime_addtime != 0) {
1694 					adddelta =
1695 					    current->sadb_lifetime_addtime +
1696 					    soft->sadb_lifetime_addtime -
1697 					    wallclock;
1698 				} else {
1699 					adddelta = TIME_MAX;
1700 				}
1701 
1702 				if (soft->sadb_lifetime_usetime != 0 &&
1703 				    current->sadb_lifetime_usetime != 0) {
1704 					usedelta =
1705 					    current->sadb_lifetime_usetime +
1706 					    soft->sadb_lifetime_usetime -
1707 					    wallclock;
1708 				} else {
1709 					usedelta = TIME_MAX;
1710 				}
1711 				(void) fprintf(file, "%s", soft_prefix);
1712 				scratch = MIN(adddelta, usedelta);
1713 				if (scratch >= 0) {
1714 					(void) fprintf(file,
1715 					    dgettext(TEXT_DOMAIN,
1716 					    "Soft expiration occurs in %"
1717 					    PRId64 " seconds, "), scratch);
1718 				} else {
1719 					(void) fprintf(file,
1720 					    dgettext(TEXT_DOMAIN,
1721 					    "Soft expiration occurred "));
1722 				}
1723 				scratch += wallclock;
1724 				printsatime(file, scratch, dgettext(TEXT_DOMAIN,
1725 				    "%sat %s.\n"), "", soft_prefix, vflag);
1726 			}
1727 		}
1728 	}
1729 
1730 	if (hard != NULL) {
1731 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1732 		    "%sHard lifetime information:  "), hard_prefix);
1733 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1734 		    "%" PRIu64 " bytes of lifetime, %u allocations.\n"),
1735 		    hard->sadb_lifetime_bytes, hard->sadb_lifetime_allocations);
1736 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1737 		    "%s%" PRIu64 " seconds of post-add lifetime.\n"),
1738 		    hard_prefix, hard->sadb_lifetime_addtime);
1739 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1740 		    "%s%" PRIu64 " seconds of post-use lifetime.\n"),
1741 		    hard_prefix, hard->sadb_lifetime_usetime);
1742 		/* If possible, express values as time remaining. */
1743 		if (current != NULL) {
1744 			if (hard->sadb_lifetime_bytes != 0)
1745 				(void) fprintf(file, dgettext(TEXT_DOMAIN, "%s%"
1746 				    PRIu64 " more bytes can be protected.\n"),
1747 				    hard_prefix,
1748 				    (hard->sadb_lifetime_bytes >
1749 				    current->sadb_lifetime_bytes) ?
1750 				    (hard->sadb_lifetime_bytes -
1751 				    current->sadb_lifetime_bytes) : (0));
1752 			if (hard->sadb_lifetime_addtime != 0 ||
1753 			    (hard->sadb_lifetime_usetime != 0 &&
1754 			    current->sadb_lifetime_usetime != 0)) {
1755 				int64_t adddelta, usedelta;
1756 
1757 				if (hard->sadb_lifetime_addtime != 0) {
1758 					adddelta =
1759 					    current->sadb_lifetime_addtime +
1760 					    hard->sadb_lifetime_addtime -
1761 					    wallclock;
1762 				} else {
1763 					adddelta = TIME_MAX;
1764 				}
1765 
1766 				if (hard->sadb_lifetime_usetime != 0 &&
1767 				    current->sadb_lifetime_usetime != 0) {
1768 					usedelta =
1769 					    current->sadb_lifetime_usetime +
1770 					    hard->sadb_lifetime_usetime -
1771 					    wallclock;
1772 				} else {
1773 					usedelta = TIME_MAX;
1774 				}
1775 				(void) fprintf(file, "%s", hard_prefix);
1776 				scratch = MIN(adddelta, usedelta);
1777 				if (scratch >= 0) {
1778 					(void) fprintf(file,
1779 					    dgettext(TEXT_DOMAIN,
1780 					    "Hard expiration occurs in %"
1781 					    PRId64 " seconds, "), scratch);
1782 				} else {
1783 					(void) fprintf(file,
1784 					    dgettext(TEXT_DOMAIN,
1785 					    "Hard expiration occured "));
1786 				}
1787 				scratch += wallclock;
1788 				printsatime(file, scratch, dgettext(TEXT_DOMAIN,
1789 				    "%sat %s.\n"), "", hard_prefix, vflag);
1790 			}
1791 		}
1792 	}
1793 	if (idle != NULL) {
1794 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1795 		    "%sIdle lifetime information:  "), idle_prefix);
1796 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1797 		    "%s%llu seconds of post-add lifetime.\n"),
1798 		    idle_prefix, idle->sadb_lifetime_addtime);
1799 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1800 		    "%s%llu seconds of post-use lifetime.\n"),
1801 		    idle_prefix, idle->sadb_lifetime_usetime);
1802 	}
1803 }
1804 
1805 /*
1806  * Print an SADB_EXT_ADDRESS_* extension.
1807  */
1808 void
1809 print_address(FILE *file, char *prefix, struct sadb_address *addr,
1810     boolean_t ignore_nss)
1811 {
1812 	struct protoent *pe;
1813 
1814 	(void) fprintf(file, "%s", prefix);
1815 	switch (addr->sadb_address_exttype) {
1816 	case SADB_EXT_ADDRESS_SRC:
1817 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "Source address "));
1818 		break;
1819 	case SADB_X_EXT_ADDRESS_INNER_SRC:
1820 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1821 		    "Inner source address "));
1822 		break;
1823 	case SADB_EXT_ADDRESS_DST:
1824 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1825 		    "Destination address "));
1826 		break;
1827 	case SADB_X_EXT_ADDRESS_INNER_DST:
1828 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1829 		    "Inner destination address "));
1830 		break;
1831 	case SADB_X_EXT_ADDRESS_NATT_LOC:
1832 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1833 		    "NAT-T local address "));
1834 		break;
1835 	case SADB_X_EXT_ADDRESS_NATT_REM:
1836 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1837 		    "NAT-T remote address "));
1838 		break;
1839 	}
1840 
1841 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
1842 	    "(proto=%d"), addr->sadb_address_proto);
1843 	if (ignore_nss == B_FALSE) {
1844 		if (addr->sadb_address_proto == 0) {
1845 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
1846 			    "/<unspecified>"));
1847 		} else if ((pe = getprotobynumber(addr->sadb_address_proto))
1848 		    != NULL) {
1849 			(void) fprintf(file, "/%s", pe->p_name);
1850 		} else {
1851 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
1852 			    "/<unknown>"));
1853 		}
1854 	}
1855 	(void) fprintf(file, dgettext(TEXT_DOMAIN, ")\n%s"), prefix);
1856 	(void) dump_sockaddr((struct sockaddr *)(addr + 1),
1857 	    addr->sadb_address_prefixlen, B_FALSE, file, ignore_nss);
1858 }
1859 
1860 /*
1861  * Print an SADB_EXT_KEY extension.
1862  */
1863 void
1864 print_key(FILE *file, char *prefix, struct sadb_key *key)
1865 {
1866 	(void) fprintf(file, "%s", prefix);
1867 
1868 	switch (key->sadb_key_exttype) {
1869 	case SADB_EXT_KEY_AUTH:
1870 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "Authentication"));
1871 		break;
1872 	case SADB_EXT_KEY_ENCRYPT:
1873 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "Encryption"));
1874 		break;
1875 	}
1876 
1877 	(void) fprintf(file, dgettext(TEXT_DOMAIN, " key.\n%s"), prefix);
1878 	(void) dump_key((uint8_t *)(key + 1), key->sadb_key_bits, file);
1879 	(void) fprintf(file, "\n");
1880 }
1881 
1882 /*
1883  * Print an SADB_EXT_IDENTITY_* extension.
1884  */
1885 void
1886 print_ident(FILE *file, char *prefix, struct sadb_ident *id)
1887 {
1888 	boolean_t canprint = B_TRUE;
1889 
1890 	(void) fprintf(file, "%s", prefix);
1891 	switch (id->sadb_ident_exttype) {
1892 	case SADB_EXT_IDENTITY_SRC:
1893 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "Source"));
1894 		break;
1895 	case SADB_EXT_IDENTITY_DST:
1896 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "Destination"));
1897 		break;
1898 	}
1899 
1900 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
1901 	    " identity, uid=%d, type "), id->sadb_ident_id);
1902 	canprint = dump_sadb_idtype(id->sadb_ident_type, file, NULL);
1903 	(void) fprintf(file, "\n%s", prefix);
1904 	if (canprint) {
1905 		(void) fprintf(file, "%s\n", (char *)(id + 1));
1906 	} else {
1907 		print_asn1_name(file, (const unsigned char *)(id + 1),
1908 		    SADB_64TO8(id->sadb_ident_len) - sizeof (sadb_ident_t));
1909 	}
1910 }
1911 
1912 /*
1913  * Print an SADB_SENSITIVITY extension.
1914  */
1915 void
1916 print_sens(FILE *file, char *prefix, struct sadb_sens *sens)
1917 {
1918 	uint64_t *bitmap = (uint64_t *)(sens + 1);
1919 	int i;
1920 
1921 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
1922 	    "%sSensitivity DPD %d, sens level=%d, integ level=%d\n"),
1923 	    prefix, sens->sadb_sens_dpd, sens->sadb_sens_sens_level,
1924 	    sens->sadb_sens_integ_level);
1925 	for (i = 0; sens->sadb_sens_sens_len-- > 0; i++, bitmap++)
1926 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1927 		    "%s Sensitivity BM extended word %d 0x%" PRIx64 "\n"),
1928 		    prefix, i, *bitmap);
1929 	for (i = 0; sens->sadb_sens_integ_len-- > 0; i++, bitmap++)
1930 		(void) fprintf(stderr, dgettext(TEXT_DOMAIN,
1931 		    "%s Integrity BM extended word %d 0x%" PRIx64 "\n"),
1932 		    prefix, i, *bitmap);
1933 }
1934 
1935 /*
1936  * Print an SADB_EXT_PROPOSAL extension.
1937  */
1938 void
1939 print_prop(FILE *file, char *prefix, struct sadb_prop *prop)
1940 {
1941 	struct sadb_comb *combs;
1942 	int i, numcombs;
1943 
1944 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
1945 	    "%sProposal, replay counter = %u.\n"), prefix,
1946 	    prop->sadb_prop_replay);
1947 
1948 	numcombs = prop->sadb_prop_len - SADB_8TO64(sizeof (*prop));
1949 	numcombs /= SADB_8TO64(sizeof (*combs));
1950 
1951 	combs = (struct sadb_comb *)(prop + 1);
1952 
1953 	for (i = 0; i < numcombs; i++) {
1954 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
1955 		    "%s Combination #%u "), prefix, i + 1);
1956 		if (combs[i].sadb_comb_auth != SADB_AALG_NONE) {
1957 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
1958 			    "Authentication = "));
1959 			(void) dump_aalg(combs[i].sadb_comb_auth, file);
1960 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
1961 			    "  minbits=%u, maxbits=%u.\n%s "),
1962 			    combs[i].sadb_comb_auth_minbits,
1963 			    combs[i].sadb_comb_auth_maxbits, prefix);
1964 		}
1965 
1966 		if (combs[i].sadb_comb_encrypt != SADB_EALG_NONE) {
1967 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
1968 			    "Encryption = "));
1969 			(void) dump_ealg(combs[i].sadb_comb_encrypt, file);
1970 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
1971 			    "  minbits=%u, maxbits=%u.\n%s "),
1972 			    combs[i].sadb_comb_encrypt_minbits,
1973 			    combs[i].sadb_comb_encrypt_maxbits, prefix);
1974 		}
1975 
1976 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "HARD: "));
1977 		if (combs[i].sadb_comb_hard_allocations)
1978 			(void) fprintf(file, dgettext(TEXT_DOMAIN, "alloc=%u "),
1979 			    combs[i].sadb_comb_hard_allocations);
1980 		if (combs[i].sadb_comb_hard_bytes)
1981 			(void) fprintf(file, dgettext(TEXT_DOMAIN, "bytes=%"
1982 			    PRIu64 " "), combs[i].sadb_comb_hard_bytes);
1983 		if (combs[i].sadb_comb_hard_addtime)
1984 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
1985 			    "post-add secs=%" PRIu64 " "),
1986 			    combs[i].sadb_comb_hard_addtime);
1987 		if (combs[i].sadb_comb_hard_usetime)
1988 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
1989 			    "post-use secs=%" PRIu64 ""),
1990 			    combs[i].sadb_comb_hard_usetime);
1991 
1992 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "\n%s SOFT: "),
1993 		    prefix);
1994 		if (combs[i].sadb_comb_soft_allocations)
1995 			(void) fprintf(file, dgettext(TEXT_DOMAIN, "alloc=%u "),
1996 			    combs[i].sadb_comb_soft_allocations);
1997 		if (combs[i].sadb_comb_soft_bytes)
1998 			(void) fprintf(file, dgettext(TEXT_DOMAIN, "bytes=%"
1999 			    PRIu64 " "), combs[i].sadb_comb_soft_bytes);
2000 		if (combs[i].sadb_comb_soft_addtime)
2001 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
2002 			    "post-add secs=%" PRIu64 " "),
2003 			    combs[i].sadb_comb_soft_addtime);
2004 		if (combs[i].sadb_comb_soft_usetime)
2005 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
2006 			    "post-use secs=%" PRIu64 ""),
2007 			    combs[i].sadb_comb_soft_usetime);
2008 		(void) fprintf(file, "\n");
2009 	}
2010 }
2011 
2012 /*
2013  * Print an extended proposal (SADB_X_EXT_EPROP).
2014  */
2015 void
2016 print_eprop(FILE *file, char *prefix, struct sadb_prop *eprop)
2017 {
2018 	uint64_t *sofar;
2019 	struct sadb_x_ecomb *ecomb;
2020 	struct sadb_x_algdesc *algdesc;
2021 	int i, j;
2022 
2023 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
2024 	    "%sExtended Proposal, replay counter = %u, "), prefix,
2025 	    eprop->sadb_prop_replay);
2026 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
2027 	    "number of combinations = %u.\n"), eprop->sadb_x_prop_numecombs);
2028 
2029 	sofar = (uint64_t *)(eprop + 1);
2030 	ecomb = (struct sadb_x_ecomb *)sofar;
2031 
2032 	for (i = 0; i < eprop->sadb_x_prop_numecombs; ) {
2033 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
2034 		    "%s Extended combination #%u:\n"), prefix, ++i);
2035 
2036 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "%s HARD: "),
2037 		    prefix);
2038 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "alloc=%u, "),
2039 		    ecomb->sadb_x_ecomb_hard_allocations);
2040 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "bytes=%" PRIu64
2041 		    ", "), ecomb->sadb_x_ecomb_hard_bytes);
2042 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "post-add secs=%"
2043 		    PRIu64 ", "), ecomb->sadb_x_ecomb_hard_addtime);
2044 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "post-use secs=%"
2045 		    PRIu64 "\n"), ecomb->sadb_x_ecomb_hard_usetime);
2046 
2047 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "%s SOFT: "),
2048 		    prefix);
2049 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "alloc=%u, "),
2050 		    ecomb->sadb_x_ecomb_soft_allocations);
2051 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
2052 		    "bytes=%" PRIu64 ", "), ecomb->sadb_x_ecomb_soft_bytes);
2053 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
2054 		    "post-add secs=%" PRIu64 ", "),
2055 		    ecomb->sadb_x_ecomb_soft_addtime);
2056 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "post-use secs=%"
2057 		    PRIu64 "\n"), ecomb->sadb_x_ecomb_soft_usetime);
2058 
2059 		sofar = (uint64_t *)(ecomb + 1);
2060 		algdesc = (struct sadb_x_algdesc *)sofar;
2061 
2062 		for (j = 0; j < ecomb->sadb_x_ecomb_numalgs; ) {
2063 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
2064 			    "%s Alg #%u "), prefix, ++j);
2065 			switch (algdesc->sadb_x_algdesc_satype) {
2066 			case SADB_SATYPE_ESP:
2067 				(void) fprintf(file, dgettext(TEXT_DOMAIN,
2068 				    "for ESP "));
2069 				break;
2070 			case SADB_SATYPE_AH:
2071 				(void) fprintf(file, dgettext(TEXT_DOMAIN,
2072 				    "for AH "));
2073 				break;
2074 			default:
2075 				(void) fprintf(file, dgettext(TEXT_DOMAIN,
2076 				    "for satype=%d "),
2077 				    algdesc->sadb_x_algdesc_satype);
2078 			}
2079 			switch (algdesc->sadb_x_algdesc_algtype) {
2080 			case SADB_X_ALGTYPE_CRYPT:
2081 				(void) fprintf(file, dgettext(TEXT_DOMAIN,
2082 				    "Encryption = "));
2083 				(void) dump_ealg(algdesc->sadb_x_algdesc_alg,
2084 				    file);
2085 				break;
2086 			case SADB_X_ALGTYPE_AUTH:
2087 				(void) fprintf(file, dgettext(TEXT_DOMAIN,
2088 				    "Authentication = "));
2089 				(void) dump_aalg(algdesc->sadb_x_algdesc_alg,
2090 				    file);
2091 				break;
2092 			default:
2093 				(void) fprintf(file, dgettext(TEXT_DOMAIN,
2094 				    "algtype(%d) = alg(%d)"),
2095 				    algdesc->sadb_x_algdesc_algtype,
2096 				    algdesc->sadb_x_algdesc_alg);
2097 				break;
2098 			}
2099 
2100 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
2101 			    "  minbits=%u, maxbits=%u.\n"),
2102 			    algdesc->sadb_x_algdesc_minbits,
2103 			    algdesc->sadb_x_algdesc_maxbits);
2104 
2105 			sofar = (uint64_t *)(++algdesc);
2106 		}
2107 		ecomb = (struct sadb_x_ecomb *)sofar;
2108 	}
2109 }
2110 
2111 /*
2112  * Print an SADB_EXT_SUPPORTED extension.
2113  */
2114 void
2115 print_supp(FILE *file, char *prefix, struct sadb_supported *supp)
2116 {
2117 	struct sadb_alg *algs;
2118 	int i, numalgs;
2119 
2120 	(void) fprintf(file, dgettext(TEXT_DOMAIN, "%sSupported "), prefix);
2121 	switch (supp->sadb_supported_exttype) {
2122 	case SADB_EXT_SUPPORTED_AUTH:
2123 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "authentication"));
2124 		break;
2125 	case SADB_EXT_SUPPORTED_ENCRYPT:
2126 		(void) fprintf(file, dgettext(TEXT_DOMAIN, "encryption"));
2127 		break;
2128 	}
2129 	(void) fprintf(file, dgettext(TEXT_DOMAIN, " algorithms.\n"));
2130 
2131 	algs = (struct sadb_alg *)(supp + 1);
2132 	numalgs = supp->sadb_supported_len - SADB_8TO64(sizeof (*supp));
2133 	numalgs /= SADB_8TO64(sizeof (*algs));
2134 	for (i = 0; i < numalgs; i++) {
2135 		uint16_t exttype = supp->sadb_supported_exttype;
2136 
2137 		(void) fprintf(file, "%s", prefix);
2138 		switch (exttype) {
2139 		case SADB_EXT_SUPPORTED_AUTH:
2140 			(void) dump_aalg(algs[i].sadb_alg_id, file);
2141 			break;
2142 		case SADB_EXT_SUPPORTED_ENCRYPT:
2143 			(void) dump_ealg(algs[i].sadb_alg_id, file);
2144 			break;
2145 		}
2146 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
2147 		    " minbits=%u, maxbits=%u, ivlen=%u"),
2148 		    algs[i].sadb_alg_minbits, algs[i].sadb_alg_maxbits,
2149 		    algs[i].sadb_alg_ivlen);
2150 		if (exttype == SADB_EXT_SUPPORTED_ENCRYPT)
2151 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
2152 			    ", increment=%u"), algs[i].sadb_x_alg_increment);
2153 		(void) fprintf(file, dgettext(TEXT_DOMAIN, ".\n"));
2154 	}
2155 }
2156 
2157 /*
2158  * Print an SADB_EXT_SPIRANGE extension.
2159  */
2160 void
2161 print_spirange(FILE *file, char *prefix, struct sadb_spirange *range)
2162 {
2163 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
2164 	    "%sSPI Range, min=0x%x, max=0x%x\n"), prefix,
2165 	    htonl(range->sadb_spirange_min),
2166 	    htonl(range->sadb_spirange_max));
2167 }
2168 
2169 /*
2170  * Print an SADB_X_EXT_KM_COOKIE extension.
2171  */
2172 
2173 void
2174 print_kmc(FILE *file, char *prefix, struct sadb_x_kmc *kmc)
2175 {
2176 	char *cookie_label;
2177 
2178 	if ((cookie_label = kmc_lookup_by_cookie(kmc->sadb_x_kmc_cookie)) ==
2179 	    NULL)
2180 		cookie_label = dgettext(TEXT_DOMAIN, "<Label not found.>");
2181 
2182 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
2183 	    "%sProtocol %u, cookie=\"%s\" (%u)\n"), prefix,
2184 	    kmc->sadb_x_kmc_proto, cookie_label, kmc->sadb_x_kmc_cookie);
2185 }
2186 
2187 /*
2188  * Print an SADB_X_EXT_REPLAY_CTR extension.
2189  */
2190 
2191 void
2192 print_replay(FILE *file, char *prefix, sadb_x_replay_ctr_t *repl)
2193 {
2194 	(void) fprintf(file, dgettext(TEXT_DOMAIN,
2195 	    "%sReplay Value "), prefix);
2196 	if ((repl->sadb_x_rc_replay32 == 0) &&
2197 	    (repl->sadb_x_rc_replay64 == 0)) {
2198 		(void) fprintf(file, dgettext(TEXT_DOMAIN,
2199 		    "<Value not found.>"));
2200 	}
2201 	/*
2202 	 * We currently do not support a 64-bit replay value.
2203 	 * RFC 4301 will require one, however, and we have a field
2204 	 * in place when 4301 is built.
2205 	 */
2206 	(void) fprintf(file, "% " PRIu64 "\n",
2207 	    ((repl->sadb_x_rc_replay32 == 0) ?
2208 	    repl->sadb_x_rc_replay64 : repl->sadb_x_rc_replay32));
2209 }
2210 /*
2211  * Print an SADB_X_EXT_PAIR extension.
2212  */
2213 static void
2214 print_pair(FILE *file, char *prefix, struct sadb_x_pair *pair)
2215 {
2216 	(void) fprintf(file, dgettext(TEXT_DOMAIN, "%sPaired with spi=0x%x\n"),
2217 	    prefix, ntohl(pair->sadb_x_pair_spi));
2218 }
2219 
2220 /*
2221  * Take a PF_KEY message pointed to buffer and print it.  Useful for DUMP
2222  * and GET.
2223  */
2224 void
2225 print_samsg(FILE *file, uint64_t *buffer, boolean_t want_timestamp,
2226     boolean_t vflag, boolean_t ignore_nss)
2227 {
2228 	uint64_t *current;
2229 	struct sadb_msg *samsg = (struct sadb_msg *)buffer;
2230 	struct sadb_ext *ext;
2231 	struct sadb_lifetime *currentlt = NULL, *hardlt = NULL, *softlt = NULL;
2232 	struct sadb_lifetime *idlelt = NULL;
2233 	int i;
2234 	time_t wallclock;
2235 
2236 	(void) time(&wallclock);
2237 
2238 	print_sadb_msg(file, samsg, want_timestamp ? wallclock : 0, vflag);
2239 	current = (uint64_t *)(samsg + 1);
2240 	while (current - buffer < samsg->sadb_msg_len) {
2241 		int lenbytes;
2242 
2243 		ext = (struct sadb_ext *)current;
2244 		lenbytes = SADB_64TO8(ext->sadb_ext_len);
2245 		switch (ext->sadb_ext_type) {
2246 		case SADB_EXT_SA:
2247 			print_sa(file, dgettext(TEXT_DOMAIN,
2248 			    "SA: "), (struct sadb_sa *)current);
2249 			break;
2250 		/*
2251 		 * Pluck out lifetimes and print them at the end.  This is
2252 		 * to show relative lifetimes.
2253 		 */
2254 		case SADB_EXT_LIFETIME_CURRENT:
2255 			currentlt = (struct sadb_lifetime *)current;
2256 			break;
2257 		case SADB_EXT_LIFETIME_HARD:
2258 			hardlt = (struct sadb_lifetime *)current;
2259 			break;
2260 		case SADB_EXT_LIFETIME_SOFT:
2261 			softlt = (struct sadb_lifetime *)current;
2262 			break;
2263 		case SADB_X_EXT_LIFETIME_IDLE:
2264 			idlelt = (struct sadb_lifetime *)current;
2265 			break;
2266 
2267 		case SADB_EXT_ADDRESS_SRC:
2268 			print_address(file, dgettext(TEXT_DOMAIN, "SRC: "),
2269 			    (struct sadb_address *)current, ignore_nss);
2270 			break;
2271 		case SADB_X_EXT_ADDRESS_INNER_SRC:
2272 			print_address(file, dgettext(TEXT_DOMAIN, "INS: "),
2273 			    (struct sadb_address *)current, ignore_nss);
2274 			break;
2275 		case SADB_EXT_ADDRESS_DST:
2276 			print_address(file, dgettext(TEXT_DOMAIN, "DST: "),
2277 			    (struct sadb_address *)current, ignore_nss);
2278 			break;
2279 		case SADB_X_EXT_ADDRESS_INNER_DST:
2280 			print_address(file, dgettext(TEXT_DOMAIN, "IND: "),
2281 			    (struct sadb_address *)current, ignore_nss);
2282 			break;
2283 		case SADB_EXT_KEY_AUTH:
2284 			print_key(file, dgettext(TEXT_DOMAIN,
2285 			    "AKY: "), (struct sadb_key *)current);
2286 			break;
2287 		case SADB_EXT_KEY_ENCRYPT:
2288 			print_key(file, dgettext(TEXT_DOMAIN,
2289 			    "EKY: "), (struct sadb_key *)current);
2290 			break;
2291 		case SADB_EXT_IDENTITY_SRC:
2292 			print_ident(file, dgettext(TEXT_DOMAIN, "SID: "),
2293 			    (struct sadb_ident *)current);
2294 			break;
2295 		case SADB_EXT_IDENTITY_DST:
2296 			print_ident(file, dgettext(TEXT_DOMAIN, "DID: "),
2297 			    (struct sadb_ident *)current);
2298 			break;
2299 		case SADB_EXT_SENSITIVITY:
2300 			print_sens(file, dgettext(TEXT_DOMAIN, "SNS: "),
2301 			    (struct sadb_sens *)current);
2302 			break;
2303 		case SADB_EXT_PROPOSAL:
2304 			print_prop(file, dgettext(TEXT_DOMAIN, "PRP: "),
2305 			    (struct sadb_prop *)current);
2306 			break;
2307 		case SADB_EXT_SUPPORTED_AUTH:
2308 			print_supp(file, dgettext(TEXT_DOMAIN, "SUA: "),
2309 			    (struct sadb_supported *)current);
2310 			break;
2311 		case SADB_EXT_SUPPORTED_ENCRYPT:
2312 			print_supp(file, dgettext(TEXT_DOMAIN, "SUE: "),
2313 			    (struct sadb_supported *)current);
2314 			break;
2315 		case SADB_EXT_SPIRANGE:
2316 			print_spirange(file, dgettext(TEXT_DOMAIN, "SPR: "),
2317 			    (struct sadb_spirange *)current);
2318 			break;
2319 		case SADB_X_EXT_EPROP:
2320 			print_eprop(file, dgettext(TEXT_DOMAIN, "EPR: "),
2321 			    (struct sadb_prop *)current);
2322 			break;
2323 		case SADB_X_EXT_KM_COOKIE:
2324 			print_kmc(file, dgettext(TEXT_DOMAIN, "KMC: "),
2325 			    (struct sadb_x_kmc *)current);
2326 			break;
2327 		case SADB_X_EXT_ADDRESS_NATT_REM:
2328 			print_address(file, dgettext(TEXT_DOMAIN, "NRM: "),
2329 			    (struct sadb_address *)current, ignore_nss);
2330 			break;
2331 		case SADB_X_EXT_ADDRESS_NATT_LOC:
2332 			print_address(file, dgettext(TEXT_DOMAIN, "NLC: "),
2333 			    (struct sadb_address *)current, ignore_nss);
2334 			break;
2335 		case SADB_X_EXT_PAIR:
2336 			print_pair(file, dgettext(TEXT_DOMAIN, "OTH: "),
2337 			    (struct sadb_x_pair *)current);
2338 			break;
2339 		case SADB_X_EXT_REPLAY_VALUE:
2340 			(void) print_replay(file, dgettext(TEXT_DOMAIN,
2341 			    "RPL: "), (sadb_x_replay_ctr_t *)current);
2342 			break;
2343 		default:
2344 			(void) fprintf(file, dgettext(TEXT_DOMAIN,
2345 			    "UNK: Unknown ext. %d, len %d.\n"),
2346 			    ext->sadb_ext_type, lenbytes);
2347 			for (i = 0; i < ext->sadb_ext_len; i++)
2348 				(void) fprintf(file, dgettext(TEXT_DOMAIN,
2349 				    "UNK: 0x%" PRIx64 "\n"),
2350 				    ((uint64_t *)ext)[i]);
2351 			break;
2352 		}
2353 		current += (lenbytes == 0) ?
2354 		    SADB_8TO64(sizeof (struct sadb_ext)) : ext->sadb_ext_len;
2355 	}
2356 	/*
2357 	 * Print lifetimes NOW.
2358 	 */
2359 	if (currentlt != NULL || hardlt != NULL || softlt != NULL ||
2360 	    idlelt != NULL)
2361 		print_lifetimes(file, wallclock, currentlt, hardlt,
2362 		    softlt, idlelt, vflag);
2363 
2364 	if (current - buffer != samsg->sadb_msg_len) {
2365 		warnxfp(EFD(file), dgettext(TEXT_DOMAIN,
2366 		    "WARNING: insufficient buffer space or corrupt message."));
2367 	}
2368 
2369 	(void) fflush(file);	/* Make sure our message is out there. */
2370 }
2371 
2372 /*
2373  * save_XXX functions are used when "saving" the SA tables to either a
2374  * file or standard output.  They use the dump_XXX functions where needed,
2375  * but mostly they use the rparseXXX functions.
2376  */
2377 
2378 /*
2379  * Print save information for a lifetime extension.
2380  *
2381  * NOTE : It saves the lifetime in absolute terms.  For example, if you
2382  * had a hard_usetime of 60 seconds, you'll save it as 60 seconds, even though
2383  * there may have been 59 seconds burned off the clock.
2384  */
2385 boolean_t
2386 save_lifetime(struct sadb_lifetime *lifetime, FILE *ofile)
2387 {
2388 	char *prefix;
2389 
2390 	switch (lifetime->sadb_lifetime_exttype) {
2391 	case SADB_EXT_LIFETIME_HARD:
2392 		prefix = "hard";
2393 		break;
2394 	case SADB_EXT_LIFETIME_SOFT:
2395 		prefix = "soft";
2396 		break;
2397 	case SADB_X_EXT_LIFETIME_IDLE:
2398 		prefix = "idle";
2399 		break;
2400 	}
2401 
2402 	if (putc('\t', ofile) == EOF)
2403 		return (B_FALSE);
2404 
2405 	if (lifetime->sadb_lifetime_allocations != 0 && fprintf(ofile,
2406 	    "%s_alloc %u ", prefix, lifetime->sadb_lifetime_allocations) < 0)
2407 		return (B_FALSE);
2408 
2409 	if (lifetime->sadb_lifetime_bytes != 0 && fprintf(ofile,
2410 	    "%s_bytes %" PRIu64 " ", prefix, lifetime->sadb_lifetime_bytes) < 0)
2411 		return (B_FALSE);
2412 
2413 	if (lifetime->sadb_lifetime_addtime != 0 && fprintf(ofile,
2414 	    "%s_addtime %" PRIu64 " ", prefix,
2415 	    lifetime->sadb_lifetime_addtime) < 0)
2416 		return (B_FALSE);
2417 
2418 	if (lifetime->sadb_lifetime_usetime != 0 && fprintf(ofile,
2419 	    "%s_usetime %" PRIu64 " ", prefix,
2420 	    lifetime->sadb_lifetime_usetime) < 0)
2421 		return (B_FALSE);
2422 
2423 	return (B_TRUE);
2424 }
2425 
2426 /*
2427  * Print save information for an address extension.
2428  */
2429 boolean_t
2430 save_address(struct sadb_address *addr, FILE *ofile)
2431 {
2432 	char *printable_addr, buf[INET6_ADDRSTRLEN];
2433 	const char *prefix, *pprefix;
2434 	struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)(addr + 1);
2435 	struct sockaddr_in *sin = (struct sockaddr_in *)sin6;
2436 	int af = sin->sin_family;
2437 
2438 	/*
2439 	 * Address-family reality check.
2440 	 */
2441 	if (af != AF_INET6 && af != AF_INET)
2442 		return (B_FALSE);
2443 
2444 	switch (addr->sadb_address_exttype) {
2445 	case SADB_EXT_ADDRESS_SRC:
2446 		prefix = "src";
2447 		pprefix = "sport";
2448 		break;
2449 	case SADB_X_EXT_ADDRESS_INNER_SRC:
2450 		prefix = "isrc";
2451 		pprefix = "isport";
2452 		break;
2453 	case SADB_EXT_ADDRESS_DST:
2454 		prefix = "dst";
2455 		pprefix = "dport";
2456 		break;
2457 	case SADB_X_EXT_ADDRESS_INNER_DST:
2458 		prefix = "idst";
2459 		pprefix = "idport";
2460 		break;
2461 	case SADB_X_EXT_ADDRESS_NATT_LOC:
2462 		prefix = "nat_loc ";
2463 		pprefix = "nat_lport";
2464 		break;
2465 	case SADB_X_EXT_ADDRESS_NATT_REM:
2466 		prefix = "nat_rem ";
2467 		pprefix = "nat_rport";
2468 		break;
2469 	}
2470 
2471 	if (fprintf(ofile, "    %s ", prefix) < 0)
2472 		return (B_FALSE);
2473 
2474 	/*
2475 	 * Do not do address-to-name translation, given that we live in
2476 	 * an age of names that explode into many addresses.
2477 	 */
2478 	printable_addr = (char *)inet_ntop(af,
2479 	    (af == AF_INET) ? (char *)&sin->sin_addr : (char *)&sin6->sin6_addr,
2480 	    buf, sizeof (buf));
2481 	if (printable_addr == NULL)
2482 		printable_addr = "Invalid IP address.";
2483 	if (fprintf(ofile, "%s", printable_addr) < 0)
2484 		return (B_FALSE);
2485 	if (addr->sadb_address_prefixlen != 0 &&
2486 	    !((addr->sadb_address_prefixlen == 32 && af == AF_INET) ||
2487 	    (addr->sadb_address_prefixlen == 128 && af == AF_INET6))) {
2488 		if (fprintf(ofile, "/%d", addr->sadb_address_prefixlen) < 0)
2489 			return (B_FALSE);
2490 	}
2491 
2492 	/*
2493 	 * The port is in the same position for struct sockaddr_in and
2494 	 * struct sockaddr_in6.  We exploit that property here.
2495 	 */
2496 	if ((pprefix != NULL) && (sin->sin_port != 0))
2497 		(void) fprintf(ofile, " %s %d", pprefix, ntohs(sin->sin_port));
2498 
2499 	return (B_TRUE);
2500 }
2501 
2502 /*
2503  * Print save information for a key extension. Returns whether writing
2504  * to the specified output file was successful or not.
2505  */
2506 boolean_t
2507 save_key(struct sadb_key *key, FILE *ofile)
2508 {
2509 	char *prefix;
2510 
2511 	if (putc('\t', ofile) == EOF)
2512 		return (B_FALSE);
2513 
2514 	prefix = (key->sadb_key_exttype == SADB_EXT_KEY_AUTH) ? "auth" : "encr";
2515 
2516 	if (fprintf(ofile, "%skey ", prefix) < 0)
2517 		return (B_FALSE);
2518 
2519 	if (dump_key((uint8_t *)(key + 1), key->sadb_key_bits, ofile) == -1)
2520 		return (B_FALSE);
2521 
2522 	return (B_TRUE);
2523 }
2524 
2525 /*
2526  * Print save information for an identity extension.
2527  */
2528 boolean_t
2529 save_ident(struct sadb_ident *ident, FILE *ofile)
2530 {
2531 	char *prefix;
2532 
2533 	if (putc('\t', ofile) == EOF)
2534 		return (B_FALSE);
2535 
2536 	prefix = (ident->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC) ? "src" :
2537 	    "dst";
2538 
2539 	if (fprintf(ofile, "%sidtype %s ", prefix,
2540 	    rparseidtype(ident->sadb_ident_type)) < 0)
2541 		return (B_FALSE);
2542 
2543 	if (ident->sadb_ident_type == SADB_X_IDENTTYPE_DN ||
2544 	    ident->sadb_ident_type == SADB_X_IDENTTYPE_GN) {
2545 		if (fprintf(ofile, dgettext(TEXT_DOMAIN,
2546 		    "<can-not-print>")) < 0)
2547 			return (B_FALSE);
2548 	} else {
2549 		if (fprintf(ofile, "%s", (char *)(ident + 1)) < 0)
2550 			return (B_FALSE);
2551 	}
2552 
2553 	return (B_TRUE);
2554 }
2555 
2556 /*
2557  * "Save" a security association to an output file.
2558  *
2559  * NOTE the lack of calls to dgettext() because I'm outputting parseable stuff.
2560  * ALSO NOTE that if you change keywords (see parsecmd()), you'll have to
2561  * change them here as well.
2562  */
2563 void
2564 save_assoc(uint64_t *buffer, FILE *ofile)
2565 {
2566 	int terrno;
2567 	boolean_t seen_proto = B_FALSE, seen_iproto = B_FALSE;
2568 	uint64_t *current;
2569 	struct sadb_address *addr;
2570 	struct sadb_x_replay_ctr *repl;
2571 	struct sadb_msg *samsg = (struct sadb_msg *)buffer;
2572 	struct sadb_ext *ext;
2573 
2574 #define	tidyup() \
2575 	terrno = errno; (void) fclose(ofile); errno = terrno; \
2576 	interactive = B_FALSE
2577 
2578 #define	savenl() if (fputs(" \\\n", ofile) == EOF) \
2579 	{ bail(dgettext(TEXT_DOMAIN, "savenl")); }
2580 
2581 	if (fputs("# begin assoc\n", ofile) == EOF)
2582 		bail(dgettext(TEXT_DOMAIN,
2583 		    "save_assoc: Opening comment of SA"));
2584 	if (fprintf(ofile, "add %s ", rparsesatype(samsg->sadb_msg_satype)) < 0)
2585 		bail(dgettext(TEXT_DOMAIN, "save_assoc: First line of SA"));
2586 	savenl();
2587 
2588 	current = (uint64_t *)(samsg + 1);
2589 	while (current - buffer < samsg->sadb_msg_len) {
2590 		struct sadb_sa *assoc;
2591 
2592 		ext = (struct sadb_ext *)current;
2593 		addr = (struct sadb_address *)ext;  /* Just in case... */
2594 		switch (ext->sadb_ext_type) {
2595 		case SADB_EXT_SA:
2596 			assoc = (struct sadb_sa *)ext;
2597 			if (assoc->sadb_sa_state != SADB_SASTATE_MATURE) {
2598 				if (fprintf(ofile, "# WARNING: SA was dying "
2599 				    "or dead.\n") < 0) {
2600 					tidyup();
2601 					bail(dgettext(TEXT_DOMAIN,
2602 					    "save_assoc: fprintf not mature"));
2603 				}
2604 			}
2605 			if (fprintf(ofile, "    spi 0x%x ",
2606 			    ntohl(assoc->sadb_sa_spi)) < 0) {
2607 				tidyup();
2608 				bail(dgettext(TEXT_DOMAIN,
2609 				    "save_assoc: fprintf spi"));
2610 			}
2611 			if (assoc->sadb_sa_encrypt != SADB_EALG_NONE) {
2612 				if (fprintf(ofile, "encr_alg %s ",
2613 				    rparsealg(assoc->sadb_sa_encrypt,
2614 				    IPSEC_PROTO_ESP)) < 0) {
2615 					tidyup();
2616 					bail(dgettext(TEXT_DOMAIN,
2617 					    "save_assoc: fprintf encrypt"));
2618 				}
2619 			}
2620 			if (assoc->sadb_sa_auth != SADB_AALG_NONE) {
2621 				if (fprintf(ofile, "auth_alg %s ",
2622 				    rparsealg(assoc->sadb_sa_auth,
2623 				    IPSEC_PROTO_AH)) < 0) {
2624 					tidyup();
2625 					bail(dgettext(TEXT_DOMAIN,
2626 					    "save_assoc: fprintf auth"));
2627 				}
2628 			}
2629 			if (fprintf(ofile, "replay %d ",
2630 			    assoc->sadb_sa_replay) < 0) {
2631 				tidyup();
2632 				bail(dgettext(TEXT_DOMAIN,
2633 				    "save_assoc: fprintf replay"));
2634 			}
2635 			if (assoc->sadb_sa_flags & (SADB_X_SAFLAGS_NATT_LOC |
2636 			    SADB_X_SAFLAGS_NATT_REM)) {
2637 				if (fprintf(ofile, "encap udp") < 0) {
2638 					tidyup();
2639 					bail(dgettext(TEXT_DOMAIN,
2640 					    "save_assoc: fprintf encap"));
2641 				}
2642 			}
2643 			savenl();
2644 			break;
2645 		case SADB_EXT_LIFETIME_HARD:
2646 		case SADB_EXT_LIFETIME_SOFT:
2647 		case SADB_X_EXT_LIFETIME_IDLE:
2648 			if (!save_lifetime((struct sadb_lifetime *)ext,
2649 			    ofile)) {
2650 				tidyup();
2651 				bail(dgettext(TEXT_DOMAIN, "save_lifetime"));
2652 			}
2653 			savenl();
2654 			break;
2655 		case SADB_X_EXT_ADDRESS_INNER_SRC:
2656 		case SADB_X_EXT_ADDRESS_INNER_DST:
2657 			if (!seen_iproto && addr->sadb_address_proto) {
2658 				(void) fprintf(ofile, "    iproto %d",
2659 				    addr->sadb_address_proto);
2660 				savenl();
2661 				seen_iproto = B_TRUE;
2662 			}
2663 			goto skip_srcdst;  /* Hack to avoid cases below... */
2664 			/* FALLTHRU */
2665 		case SADB_EXT_ADDRESS_SRC:
2666 		case SADB_EXT_ADDRESS_DST:
2667 			if (!seen_proto && addr->sadb_address_proto) {
2668 				(void) fprintf(ofile, "    proto %d",
2669 				    addr->sadb_address_proto);
2670 				savenl();
2671 				seen_proto = B_TRUE;
2672 			}
2673 			/* FALLTHRU */
2674 		case SADB_X_EXT_ADDRESS_NATT_REM:
2675 		case SADB_X_EXT_ADDRESS_NATT_LOC:
2676 skip_srcdst:
2677 			if (!save_address(addr, ofile)) {
2678 				tidyup();
2679 				bail(dgettext(TEXT_DOMAIN, "save_address"));
2680 			}
2681 			savenl();
2682 			break;
2683 		case SADB_EXT_KEY_AUTH:
2684 		case SADB_EXT_KEY_ENCRYPT:
2685 			if (!save_key((struct sadb_key *)ext, ofile)) {
2686 				tidyup();
2687 				bail(dgettext(TEXT_DOMAIN, "save_address"));
2688 			}
2689 			savenl();
2690 			break;
2691 		case SADB_EXT_IDENTITY_SRC:
2692 		case SADB_EXT_IDENTITY_DST:
2693 			if (!save_ident((struct sadb_ident *)ext, ofile)) {
2694 				tidyup();
2695 				bail(dgettext(TEXT_DOMAIN, "save_address"));
2696 			}
2697 			savenl();
2698 			break;
2699 		case SADB_X_EXT_REPLAY_VALUE:
2700 			repl = (sadb_x_replay_ctr_t *)ext;
2701 			if ((repl->sadb_x_rc_replay32 == 0) &&
2702 			    (repl->sadb_x_rc_replay64 == 0)) {
2703 				tidyup();
2704 				bail(dgettext(TEXT_DOMAIN, "Replay Value"));
2705 			}
2706 			if (fprintf(ofile, "replay_value %" PRIu64 "",
2707 			    (repl->sadb_x_rc_replay32 == 0 ?
2708 			    repl->sadb_x_rc_replay64 :
2709 			    repl->sadb_x_rc_replay32)) < 0) {
2710 				tidyup();
2711 				bail(dgettext(TEXT_DOMAIN,
2712 				    "save_assoc: fprintf replay value"));
2713 			}
2714 			savenl();
2715 			break;
2716 		case SADB_EXT_SENSITIVITY:
2717 		default:
2718 			/* Skip over irrelevant extensions. */
2719 			break;
2720 		}
2721 		current += ext->sadb_ext_len;
2722 	}
2723 
2724 	if (fputs(dgettext(TEXT_DOMAIN, "\n# end assoc\n\n"), ofile) == EOF) {
2725 		tidyup();
2726 		bail(dgettext(TEXT_DOMAIN, "save_assoc: last fputs"));
2727 	}
2728 }
2729 
2730 /*
2731  * Open the output file for the "save" command.
2732  */
2733 FILE *
2734 opensavefile(char *filename)
2735 {
2736 	int fd;
2737 	FILE *retval;
2738 	struct stat buf;
2739 
2740 	/*
2741 	 * If the user specifies "-" or doesn't give a filename, then
2742 	 * dump to stdout.  Make sure to document the dangers of files
2743 	 * that are NFS, directing your output to strange places, etc.
2744 	 */
2745 	if (filename == NULL || strcmp("-", filename) == 0)
2746 		return (stdout);
2747 
2748 	/*
2749 	 * open the file with the create bits set.  Since I check for
2750 	 * real UID == root in main(), I won't worry about the ownership
2751 	 * problem.
2752 	 */
2753 	fd = open(filename, O_WRONLY | O_EXCL | O_CREAT | O_TRUNC, S_IRUSR);
2754 	if (fd == -1) {
2755 		if (errno != EEXIST)
2756 			bail_msg("%s %s: %s", filename, dgettext(TEXT_DOMAIN,
2757 			    "open error"),
2758 			    strerror(errno));
2759 		fd = open(filename, O_WRONLY | O_TRUNC, 0);
2760 		if (fd == -1)
2761 			bail_msg("%s %s: %s", filename, dgettext(TEXT_DOMAIN,
2762 			    "open error"), strerror(errno));
2763 		if (fstat(fd, &buf) == -1) {
2764 			(void) close(fd);
2765 			bail_msg("%s fstat: %s", filename, strerror(errno));
2766 		}
2767 		if (S_ISREG(buf.st_mode) &&
2768 		    ((buf.st_mode & S_IAMB) != S_IRUSR)) {
2769 			warnx(dgettext(TEXT_DOMAIN,
2770 			    "WARNING: Save file already exists with "
2771 			    "permission %o."), buf.st_mode & S_IAMB);
2772 			warnx(dgettext(TEXT_DOMAIN,
2773 			    "Normal users may be able to read IPsec "
2774 			    "keying material."));
2775 		}
2776 	}
2777 
2778 	/* Okay, we have an FD.  Assign it to a stdio FILE pointer. */
2779 	retval = fdopen(fd, "w");
2780 	if (retval == NULL) {
2781 		(void) close(fd);
2782 		bail_msg("%s %s: %s", filename, dgettext(TEXT_DOMAIN,
2783 		    "fdopen error"), strerror(errno));
2784 	}
2785 	return (retval);
2786 }
2787 
2788 const char *
2789 do_inet_ntop(const void *addr, char *cp, size_t size)
2790 {
2791 	boolean_t isv4;
2792 	struct in6_addr *inaddr6 = (struct in6_addr *)addr;
2793 	struct in_addr inaddr;
2794 
2795 	if ((isv4 = IN6_IS_ADDR_V4MAPPED(inaddr6)) == B_TRUE) {
2796 		IN6_V4MAPPED_TO_INADDR(inaddr6, &inaddr);
2797 	}
2798 
2799 	return (inet_ntop(isv4 ? AF_INET : AF_INET6,
2800 	    isv4 ? (void *)&inaddr : inaddr6, cp, size));
2801 }
2802 
2803 char numprint[NBUF_SIZE];
2804 
2805 /*
2806  * Parse and reverse parse a specific SA type (AH, ESP, etc.).
2807  */
2808 static struct typetable {
2809 	char *type;
2810 	int token;
2811 } type_table[] = {
2812 	{"all", SADB_SATYPE_UNSPEC},
2813 	{"ah",  SADB_SATYPE_AH},
2814 	{"esp", SADB_SATYPE_ESP},
2815 	/* PF_KEY NOTE:  More to come if net/pfkeyv2.h gets updated. */
2816 	{NULL, 0}	/* Token value is irrelevant for this entry. */
2817 };
2818 
2819 char *
2820 rparsesatype(int type)
2821 {
2822 	struct typetable *tt = type_table;
2823 
2824 	while (tt->type != NULL && type != tt->token)
2825 		tt++;
2826 
2827 	if (tt->type == NULL) {
2828 		(void) snprintf(numprint, NBUF_SIZE, "%d", type);
2829 	} else {
2830 		return (tt->type);
2831 	}
2832 
2833 	return (numprint);
2834 }
2835 
2836 
2837 /*
2838  * Return a string containing the name of the specified numerical algorithm
2839  * identifier.
2840  */
2841 char *
2842 rparsealg(uint8_t alg, int proto_num)
2843 {
2844 	static struct ipsecalgent *holder = NULL; /* we're single-threaded */
2845 
2846 	if (holder != NULL)
2847 		freeipsecalgent(holder);
2848 
2849 	holder = getipsecalgbynum(alg, proto_num, NULL);
2850 	if (holder == NULL) {
2851 		(void) snprintf(numprint, NBUF_SIZE, "%d", alg);
2852 		return (numprint);
2853 	}
2854 
2855 	return (*(holder->a_names));
2856 }
2857 
2858 /*
2859  * Parse and reverse parse out a source/destination ID type.
2860  */
2861 static struct idtypes {
2862 	char *idtype;
2863 	uint8_t retval;
2864 } idtypes[] = {
2865 	{"prefix",	SADB_IDENTTYPE_PREFIX},
2866 	{"fqdn",	SADB_IDENTTYPE_FQDN},
2867 	{"domain",	SADB_IDENTTYPE_FQDN},
2868 	{"domainname",	SADB_IDENTTYPE_FQDN},
2869 	{"user_fqdn",	SADB_IDENTTYPE_USER_FQDN},
2870 	{"mailbox",	SADB_IDENTTYPE_USER_FQDN},
2871 	{"der_dn",	SADB_X_IDENTTYPE_DN},
2872 	{"der_gn",	SADB_X_IDENTTYPE_GN},
2873 	{NULL,		0}
2874 };
2875 
2876 char *
2877 rparseidtype(uint16_t type)
2878 {
2879 	struct idtypes *idp;
2880 
2881 	for (idp = idtypes; idp->idtype != NULL; idp++) {
2882 		if (type == idp->retval)
2883 			return (idp->idtype);
2884 	}
2885 
2886 	(void) snprintf(numprint, NBUF_SIZE, "%d", type);
2887 	return (numprint);
2888 }
2889 
2890 /*
2891  * This is a general purpose exit function, calling functions can specify an
2892  * error type. If the command calling this function was started by smf(5) the
2893  * error type could be used as a hint to the restarter. In the future this
2894  * function could be used to do something more intelligent with a process that
2895  * encounters an error.
2896  *
2897  * The function will handle an optional variable args error message, this
2898  * will be written to the error stream, typically a log file or stderr.
2899  */
2900 void
2901 ipsecutil_exit(exit_type_t type, char *fmri, FILE *fp, const char *fmt, ...)
2902 {
2903 	int exit_status;
2904 	va_list args;
2905 
2906 	if (fp == NULL)
2907 		fp = stderr;
2908 	if (fmt != NULL) {
2909 		va_start(args, fmt);
2910 		vwarnxfp(fp, fmt, args);
2911 		va_end(args);
2912 	}
2913 
2914 	if (fmri == NULL) {
2915 		/* Command being run directly from a shell. */
2916 		switch (type) {
2917 		case SERVICE_EXIT_OK:
2918 			exit_status = 0;
2919 			break;
2920 		case SERVICE_DEGRADE:
2921 			return;
2922 			break;
2923 		case SERVICE_BADPERM:
2924 		case SERVICE_BADCONF:
2925 		case SERVICE_MAINTAIN:
2926 		case SERVICE_DISABLE:
2927 		case SERVICE_FATAL:
2928 		case SERVICE_RESTART:
2929 			warnxfp(fp, "Fatal error - exiting.");
2930 			exit_status = 1;
2931 			break;
2932 		}
2933 	} else {
2934 		/* Command being run as a smf(5) method. */
2935 		switch (type) {
2936 		case SERVICE_EXIT_OK:
2937 			exit_status = SMF_EXIT_OK;
2938 			break;
2939 		case SERVICE_DEGRADE:
2940 			return;
2941 			break;
2942 		case SERVICE_BADPERM:
2943 			warnxfp(fp, dgettext(TEXT_DOMAIN,
2944 			    "Permission error with %s."), fmri);
2945 			exit_status = SMF_EXIT_ERR_PERM;
2946 			break;
2947 		case SERVICE_BADCONF:
2948 			warnxfp(fp, dgettext(TEXT_DOMAIN,
2949 			    "Bad configuration of service %s."), fmri);
2950 			exit_status = SMF_EXIT_ERR_FATAL;
2951 			break;
2952 		case SERVICE_MAINTAIN:
2953 			warnxfp(fp, dgettext(TEXT_DOMAIN,
2954 			    "Service %s needs maintenance."), fmri);
2955 			exit_status = SMF_EXIT_ERR_FATAL;
2956 			break;
2957 		case SERVICE_DISABLE:
2958 			exit_status = SMF_EXIT_ERR_FATAL;
2959 			break;
2960 		case SERVICE_FATAL:
2961 			warnxfp(fp, dgettext(TEXT_DOMAIN,
2962 			    "Service %s fatal error."), fmri);
2963 			exit_status = SMF_EXIT_ERR_FATAL;
2964 			break;
2965 		case SERVICE_RESTART:
2966 			exit_status = 1;
2967 			break;
2968 		}
2969 	}
2970 	(void) fflush(fp);
2971 	(void) fclose(fp);
2972 	exit(exit_status);
2973 }
2974