Mercurial > illumos > onarm
annotate usr/src/cmd/cmd-inet/usr.sbin/route.c @ 4:1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
| author | Koji Uno <koji.uno@sun.com> |
|---|---|
| date | Mon, 31 Aug 2009 14:38:03 +0900 |
| parents | c9caec207d52 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. | |
| 3 * Use is subject to license terms. | |
| 4 */ | |
| 5 | |
| 6 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ | |
| 7 /* All Rights Reserved */ | |
| 8 | |
| 9 /* Copyright (c) 1990 Mentat Inc. */ | |
| 10 | |
| 11 /* | |
| 12 * | |
| 13 * Copyright (c) 1983, 1989, 1991, 1993 | |
| 14 * The Regents of the University of California. All rights reserved. | |
| 15 * | |
| 16 * Redistribution and use in source and binary forms, with or without | |
| 17 * modification, are permitted provided that the following conditions | |
| 18 * are met: | |
| 19 * 1. Redistributions of source code must retain the above copyright | |
| 20 * notice, this list of conditions and the following disclaimer. | |
| 21 * 2. Redistributions in binary form must reproduce the above copyright | |
| 22 * notice, this list of conditions and the following disclaimer in the | |
| 23 * documentation and/or other materials provided with the distribution. | |
| 24 * 3. All advertising materials mentioning features or use of this software | |
| 25 * must display the following acknowledgement: | |
| 26 * This product includes software developed by the University of | |
| 27 * California, Berkeley and its contributors. | |
| 28 * 4. Neither the name of the University nor the names of its contributors | |
| 29 * may be used to endorse or promote products derived from this software | |
| 30 * without specific prior written permission. | |
| 31 * | |
| 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 42 * SUCH DAMAGE. | |
| 43 * | |
| 44 * @(#)route.c 8.6 (Berkeley) 4/28/95 | |
| 45 * @(#)linkaddr.c 8.1 (Berkeley) 6/4/93 | |
| 46 */ | |
| 47 | |
|
4
1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
Koji Uno <koji.uno@sun.com>
parents:
0
diff
changeset
|
48 #pragma ident "%Z%%M% %I% %E% SMI" |
| 0 | 49 |
| 50 #include <sys/param.h> | |
| 51 #include <sys/file.h> | |
| 52 #include <sys/socket.h> | |
| 53 #include <sys/ioctl.h> | |
| 54 #include <sys/stat.h> | |
| 55 #include <sys/stream.h> | |
| 56 #include <sys/sysmacros.h> | |
| 57 #include <sys/tihdr.h> | |
| 58 #include <sys/types.h> | |
| 59 #include <sys/ccompile.h> | |
| 60 | |
| 61 #include <net/if.h> | |
| 62 #include <net/route.h> | |
| 63 #include <net/if_dl.h> | |
| 64 #include <netinet/in.h> | |
| 65 #include <arpa/inet.h> | |
| 66 #include <netdb.h> | |
| 67 #include <inet/mib2.h> | |
| 68 #include <inet/ip.h> | |
| 69 | |
| 70 #include <limits.h> | |
| 71 #include <locale.h> | |
| 72 | |
| 73 #include <errno.h> | |
| 74 #include <unistd.h> | |
| 75 #include <stdio.h> | |
| 76 #include <stdlib.h> | |
| 77 #include <stddef.h> | |
| 78 #include <string.h> | |
| 79 #include <stropts.h> | |
| 80 #include <fcntl.h> | |
| 81 #include <stdarg.h> | |
| 82 #include <assert.h> | |
| 83 #include <strings.h> | |
| 84 | |
| 85 #include <libtsnet.h> | |
| 86 #include <tsol/label.h> | |
| 87 | |
| 88 static struct keytab { | |
| 89 char *kt_cp; | |
| 90 int kt_i; | |
| 91 } keywords[] = { | |
| 92 #define K_ADD 1 | |
| 93 {"add", K_ADD}, | |
| 94 #define K_BLACKHOLE 2 | |
| 95 {"blackhole", K_BLACKHOLE}, | |
| 96 #define K_CHANGE 3 | |
| 97 {"change", K_CHANGE}, | |
| 98 #define K_CLONING 4 | |
| 99 {"cloning", K_CLONING}, | |
| 100 #define K_DELETE 5 | |
| 101 {"delete", K_DELETE}, | |
| 102 #define K_DST 6 | |
| 103 {"dst", K_DST}, | |
| 104 #define K_EXPIRE 7 | |
| 105 {"expire", K_EXPIRE}, | |
| 106 #define K_FLUSH 8 | |
| 107 {"flush", K_FLUSH}, | |
| 108 #define K_GATEWAY 9 | |
| 109 {"gateway", K_GATEWAY}, | |
| 110 #define K_GET 11 | |
| 111 {"get", K_GET}, | |
| 112 #define K_HOPCOUNT 12 | |
| 113 {"hopcount", K_HOPCOUNT}, | |
| 114 #define K_HOST 13 | |
| 115 {"host", K_HOST}, | |
| 116 #define K_IFA 14 | |
| 117 {"ifa", K_IFA}, | |
| 118 #define K_IFACE 15 | |
| 119 {"iface", K_IFACE}, | |
| 120 #define K_IFP 16 | |
| 121 {"ifp", K_IFP}, | |
| 122 #define K_INET 17 | |
| 123 {"inet", K_INET}, | |
| 124 #define K_INET6 18 | |
| 125 {"inet6", K_INET6}, | |
| 126 #define K_INTERFACE 19 | |
| 127 {"interface", K_INTERFACE}, | |
| 128 #define K_LINK 20 | |
| 129 {"link", K_LINK}, | |
| 130 #define K_LOCK 21 | |
| 131 {"lock", K_LOCK}, | |
| 132 #define K_LOCKREST 22 | |
| 133 {"lockrest", K_LOCKREST}, | |
| 134 #define K_MASK 23 | |
| 135 {"mask", K_MASK}, | |
| 136 #define K_MONITOR 24 | |
| 137 {"monitor", K_MONITOR}, | |
| 138 #define K_MTU 25 | |
| 139 {"mtu", K_MTU}, | |
| 140 #define K_NET 26 | |
| 141 {"net", K_NET}, | |
| 142 #define K_NETMASK 27 | |
| 143 {"netmask", K_NETMASK}, | |
| 144 #define K_NOSTATIC 28 | |
| 145 {"nostatic", K_NOSTATIC}, | |
| 146 #define K_PRIVATE 29 | |
| 147 {"private", K_PRIVATE}, | |
| 148 #define K_PROTO1 30 | |
| 149 {"proto1", K_PROTO1}, | |
| 150 #define K_PROTO2 31 | |
| 151 {"proto2", K_PROTO2}, | |
| 152 #define K_RECVPIPE 32 | |
| 153 {"recvpipe", K_RECVPIPE}, | |
| 154 #define K_REJECT 33 | |
| 155 {"reject", K_REJECT}, | |
| 156 #define K_RTT 34 | |
| 157 {"rtt", K_RTT}, | |
| 158 #define K_RTTVAR 35 | |
| 159 {"rttvar", K_RTTVAR}, | |
| 160 #define K_SA 36 | |
| 161 {"sa", K_SA}, | |
| 162 #define K_SENDPIPE 37 | |
| 163 {"sendpipe", K_SENDPIPE}, | |
| 164 #define K_SSTHRESH 38 | |
| 165 {"ssthresh", K_SSTHRESH}, | |
| 166 #define K_STATIC 39 | |
| 167 {"static", K_STATIC}, | |
| 168 #define K_XRESOLVE 40 | |
| 169 {"xresolve", K_XRESOLVE}, | |
| 170 #define K_MULTIRT 41 | |
| 171 {"multirt", K_MULTIRT}, | |
| 172 #define K_SETSRC 42 | |
| 173 {"setsrc", K_SETSRC}, | |
| 174 #define K_SHOW 43 | |
| 175 {"show", K_SHOW}, | |
| 176 #define K_SECATTR 43 | |
| 177 {"secattr", K_SECATTR}, | |
| 178 {0, 0} | |
| 179 }; | |
| 180 | |
| 181 /* | |
| 182 * Size of buffers used to hold command lines from the saved route file as | |
| 183 * well as error strings. | |
| 184 */ | |
| 185 #define BUF_SIZE 2048 | |
| 186 | |
| 187 typedef union sockunion { | |
| 188 struct sockaddr sa; | |
| 189 struct sockaddr_in sin; | |
| 190 struct sockaddr_dl sdl; | |
| 191 struct sockaddr_in6 sin6; | |
| 192 } su_t; | |
| 193 | |
| 194 /* | |
| 195 * This structure represents the digested information from parsing arguments | |
| 196 * to route add, change, delete, and get. | |
| 197 * | |
| 198 */ | |
| 199 typedef struct rtcmd_irep { | |
| 200 int ri_cmd; | |
| 201 int ri_flags; | |
| 202 int ri_af; | |
| 203 ulong_t ri_inits; | |
| 204 struct rt_metrics ri_metrics; | |
| 205 int ri_addrs; | |
| 206 su_t ri_dst; | |
| 207 char *ri_dest_str; | |
| 208 su_t ri_src; | |
| 209 su_t ri_gate; | |
| 210 struct hostent *ri_gate_hp; | |
| 211 char *ri_gate_str; | |
| 212 su_t ri_mask; | |
| 213 su_t ri_ifa; | |
| 214 su_t ri_ifp; | |
| 215 char *ri_ifp_str; | |
| 216 int ri_rtsa_cnt; /* number of gateway security attributes */ | |
| 217 struct rtsa_s ri_rtsa; /* enough space for one attribute */ | |
| 218 } rtcmd_irep_t; | |
| 219 | |
| 220 typedef struct mib_item_s { | |
| 221 struct mib_item_s *next_item; | |
| 222 long group; | |
| 223 long mib_id; | |
| 224 long length; | |
| 225 intmax_t *valp; | |
| 226 } mib_item_t; | |
| 227 | |
| 228 typedef enum { | |
| 229 ADDR_TYPE_ANY, | |
| 230 ADDR_TYPE_HOST, | |
| 231 ADDR_TYPE_NET | |
| 232 } addr_type_t; | |
| 233 | |
| 234 typedef enum { | |
| 235 SEARCH_MODE_NULL, | |
| 236 SEARCH_MODE_PRINT, | |
| 237 SEARCH_MODE_DEL | |
| 238 } search_mode_t; | |
| 239 | |
| 240 static boolean_t args_to_rtcmd(rtcmd_irep_t *rcip, char **argv, | |
| 241 char *cmd_string); | |
| 242 static void bprintf(FILE *fp, int b, char *s); | |
| 243 static boolean_t compare_rtcmd(rtcmd_irep_t *srch_rt, | |
| 244 rtcmd_irep_t *file_rt); | |
| 245 static void delRouteEntry(mib2_ipRouteEntry_t *rp, | |
| 246 mib2_ipv6RouteEntry_t *rp6, int seqno); | |
| 247 static void del_rtcmd_irep(rtcmd_irep_t *rcip); | |
| 248 static void flushroutes(int argc, char *argv[]); | |
| 249 static boolean_t getaddr(rtcmd_irep_t *rcip, int which, char *s, | |
| 250 addr_type_t atype); | |
| 251 static boolean_t in6_getaddr(char *s, struct sockaddr_in6 *sin6, | |
| 252 int *plenp, struct hostent **hpp); | |
| 253 static boolean_t in_getaddr(char *s, struct sockaddr_in *sin, | |
| 254 int *plenp, int which, struct hostent **hpp, addr_type_t atype, | |
| 255 rtcmd_irep_t *rcip); | |
| 256 static int in_getprefixlen(char *addr, int max_plen); | |
| 257 static boolean_t in_prefixlentomask(int prefixlen, int maxlen, | |
| 258 uchar_t *mask); | |
| 259 static void inet_makenetandmask(rtcmd_irep_t *rcip, in_addr_t net, | |
| 260 struct sockaddr_in *sin); | |
| 261 static in_addr_t inet_makesubnetmask(in_addr_t addr, in_addr_t mask); | |
| 262 static int keyword(const char *cp); | |
| 263 static void link_addr(const char *addr, struct sockaddr_dl *sdl); | |
| 264 static char *link_ntoa(const struct sockaddr_dl *sdl); | |
| 265 static mib_item_t *mibget(int sd); | |
| 266 static char *netname(struct sockaddr *sa); | |
| 267 static int newroute(char **argv); | |
| 268 static rtcmd_irep_t *new_rtcmd_irep(void); | |
| 269 static void pmsg_addrs(const char *cp, size_t len, uint_t addrs); | |
| 270 static void pmsg_common(const struct rt_msghdr *rtm, size_t len); | |
| 271 static void print_getmsg(rtcmd_irep_t *req_rt, | |
| 272 struct rt_msghdr *rtm, int msglen); | |
| 273 static void print_rtcmd_short(FILE *to, rtcmd_irep_t *rcip, | |
| 274 boolean_t gw_good, boolean_t to_saved); | |
| 275 static void print_rtmsg(struct rt_msghdr *rtm, int msglen); | |
| 276 static void quit(char *s, int err) __NORETURN; | |
| 277 static char *routename(const struct sockaddr *sa); | |
| 278 static void rtmonitor(int argc, char *argv[]); | |
| 279 static int rtmsg(rtcmd_irep_t *rcip); | |
| 280 static int salen(const struct sockaddr *sa); | |
| 281 static void save_route(int argc, char **argv, int do_flush); | |
| 282 static void save_string(char **dst, char *src); | |
| 283 static int search_rtfile(FILE *fp, FILE *temp_fp, rtcmd_irep_t *rt, | |
| 284 search_mode_t mode); | |
| 285 static void set_metric(rtcmd_irep_t *rcip, char *value, int key, | |
| 286 boolean_t lock); | |
| 287 static int show_saved_routes(int argc); | |
| 288 static void sockaddr(char *addr, struct sockaddr *sa); | |
| 289 static void sodump(su_t *su, char *which); | |
| 290 static void syntax_arg_missing(char *keyword); | |
| 291 static void syntax_bad_keyword(char *keyword); | |
| 292 static void syntax_error(char *err, ...); | |
| 293 static void usage(char *cp); | |
| 294 static void write_to_rtfile(FILE *fp, int argc, char **argv); | |
| 295 static void pmsg_secattr(const char *, size_t, const char *); | |
| 296 | |
| 297 static pid_t pid; | |
| 298 static int s; | |
| 299 static boolean_t nflag; | |
| 300 static int af = AF_INET; | |
| 301 static boolean_t qflag, tflag; | |
| 302 static boolean_t verbose; | |
| 303 static boolean_t debugonly; | |
| 304 static boolean_t fflag; | |
| 305 static boolean_t update_table; | |
| 306 static boolean_t perm_flag; | |
| 307 static boolean_t early_v6_keyword; | |
| 308 static char perm_file_sfx[] = "/etc/inet/static_routes"; | |
| 309 static char *perm_file; | |
| 310 static char temp_file_sfx[] = "/etc/inet/static_routes.tmp"; | |
| 311 static char *temp_file; | |
| 312 static struct in6_addr in6_host_mask = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
| 313 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; | |
| 314 /* | |
| 315 * WARNING: | |
| 316 * This next variable indicates whether certain functions exit when an error | |
| 317 * is detected in the user input. Currently, exit_on_error is only set false | |
| 318 * in search_rtfile(), when argument are being parsed. Only those functions | |
| 319 * used by search_rtfile() to parse its arguments are designed to work in | |
| 320 * both modes. Take particular care in setting this false to ensure that any | |
| 321 * functions you call that might act on this flag properly return errors when | |
| 322 * exit_on_error is false. | |
| 323 */ | |
| 324 static int exit_on_error = B_TRUE; | |
| 325 | |
| 326 static struct { | |
| 327 struct rt_msghdr m_rtm; | |
| 328 char m_space[BUF_SIZE]; | |
| 329 } m_rtmsg; | |
| 330 | |
| 331 /* | |
| 332 * Sizes of data structures extracted from the base mib. | |
| 333 * This allows the size of the tables entries to grow while preserving | |
| 334 * binary compatibility. | |
| 335 */ | |
| 336 static int ipRouteEntrySize; | |
| 337 static int ipv6RouteEntrySize; | |
| 338 | |
| 339 #define ROUNDUP_LONG(a) \ | |
| 340 ((a) > 0 ? (1 + (((a) - 1) | (sizeof (long) - 1))) : sizeof (long)) | |
| 341 #define ADVANCE(x, n) ((x) += ROUNDUP_LONG(salen(n))) | |
| 342 #define C(x) ((x) & 0xff) | |
| 343 | |
| 344 /* | |
| 345 * return values from in_getprefixlen() | |
| 346 */ | |
| 347 #define BAD_ADDR -1 /* prefix is invalid */ | |
| 348 #define NO_PREFIX -2 /* no prefix was found */ | |
| 349 | |
| 350 void | |
| 351 usage(char *cp) | |
| 352 { | |
| 353 if (cp != NULL) { | |
| 354 (void) fprintf(stderr, gettext("route: botched keyword: %s\n"), | |
| 355 cp); | |
| 356 } | |
| 357 (void) fprintf(stderr, gettext("usage: route [ -fnpqv ] " | |
| 358 "[ -R <root-dir> ] cmd [[ -<qualifers> ] args ]\n")); | |
| 359 exit(1); | |
| 360 /* NOTREACHED */ | |
| 361 } | |
| 362 | |
| 363 /*PRINTFLIKE1*/ | |
| 364 void | |
| 365 syntax_error(char *err, ...) | |
| 366 { | |
| 367 va_list args; | |
| 368 | |
| 369 if (exit_on_error) { | |
| 370 va_start(args, err); | |
| 371 (void) vfprintf(stderr, err, args); | |
| 372 va_end(args); | |
| 373 exit(1); | |
| 374 } | |
| 375 /* NOTREACHED */ | |
| 376 } | |
| 377 | |
| 378 void | |
| 379 syntax_bad_keyword(char *keyword) | |
| 380 { | |
| 381 syntax_error(gettext("route: botched keyword: %s\n"), keyword); | |
| 382 } | |
| 383 | |
| 384 void | |
| 385 syntax_arg_missing(char *keyword) | |
| 386 { | |
| 387 syntax_error(gettext("route: argument required following keyword %s\n"), | |
| 388 keyword); | |
| 389 } | |
| 390 | |
| 391 void | |
| 392 quit(char *s, int sverrno) | |
| 393 { | |
| 394 (void) fprintf(stderr, "route: "); | |
| 395 if (s != NULL) | |
| 396 (void) fprintf(stderr, "%s: ", s); | |
| 397 (void) fprintf(stderr, "%s\n", strerror(sverrno)); | |
| 398 exit(sverrno); | |
| 399 /* NOTREACHED */ | |
| 400 } | |
| 401 | |
| 402 int | |
| 403 main(int argc, char **argv) | |
| 404 { | |
| 405 extern int optind; | |
| 406 extern char *optarg; | |
| 407 int ch; | |
| 408 int rval; | |
| 409 size_t size; | |
| 410 const char *root_dir = NULL; | |
| 411 | |
| 412 (void) setlocale(LC_ALL, ""); | |
| 413 | |
| 414 #if !defined(TEXT_DOMAIN) | |
| 415 #define TEXT_DOMAIN "SYS_TEST" | |
| 416 #endif | |
| 417 (void) textdomain(TEXT_DOMAIN); | |
| 418 | |
| 419 if (argc < 2) | |
| 420 usage(NULL); | |
| 421 | |
| 422 while ((ch = getopt(argc, argv, "R:nqdtvfp")) != EOF) { | |
| 423 switch (ch) { | |
| 424 case 'n': | |
| 425 nflag = B_TRUE; | |
| 426 break; | |
| 427 case 'q': | |
| 428 qflag = B_TRUE; | |
| 429 break; | |
| 430 case 'v': | |
| 431 verbose = B_TRUE; | |
| 432 break; | |
| 433 case 't': | |
| 434 tflag = B_TRUE; | |
| 435 break; | |
| 436 case 'd': | |
| 437 debugonly = B_TRUE; | |
| 438 break; | |
| 439 case 'f': | |
| 440 fflag = B_TRUE; | |
| 441 break; | |
| 442 case 'p': | |
| 443 perm_flag = B_TRUE; | |
| 444 break; | |
| 445 case 'R': | |
| 446 root_dir = optarg; | |
| 447 break; | |
| 448 case '?': | |
| 449 default: | |
| 450 usage(NULL); | |
| 451 /* NOTREACHED */ | |
| 452 } | |
| 453 } | |
| 454 argc -= optind; | |
| 455 argv += optind; | |
| 456 | |
| 457 pid = getpid(); | |
| 458 if (tflag) | |
| 459 s = open("/dev/null", O_WRONLY); | |
| 460 else | |
| 461 s = socket(PF_ROUTE, SOCK_RAW, 0); | |
| 462 if (s < 0) | |
| 463 quit("socket", errno); | |
| 464 | |
| 465 /* | |
| 466 * Handle the -p and -R flags. The -R flag only applies | |
| 467 * when the -p flag is set. | |
| 468 */ | |
| 469 if (root_dir == NULL) { | |
| 470 perm_file = perm_file_sfx; | |
| 471 temp_file = temp_file_sfx; | |
| 472 } else { | |
| 473 size = strlen(root_dir) + sizeof (perm_file_sfx); | |
| 474 perm_file = malloc(size); | |
| 475 if (perm_file == NULL) | |
| 476 quit("malloc", errno); | |
| 477 (void) snprintf(perm_file, size, "%s%s", root_dir, | |
| 478 perm_file_sfx); | |
| 479 size = strlen(root_dir) + sizeof (temp_file_sfx); | |
| 480 temp_file = malloc(size); | |
| 481 if (temp_file == NULL) | |
| 482 quit("malloc", errno); | |
| 483 (void) snprintf(temp_file, size, "%s%s", root_dir, | |
| 484 temp_file_sfx); | |
| 485 } | |
| 486 /* | |
| 487 * Whether or not to act on the routing table. The only time the | |
| 488 * routing table is not modified is when both -p and -R are present. | |
| 489 */ | |
| 490 update_table = (!perm_flag || root_dir == NULL); | |
| 491 if (tflag) | |
| 492 perm_flag = 0; | |
| 493 | |
| 494 if (fflag) { | |
| 495 /* | |
| 496 * Accept an address family keyword after the -f. Since the | |
| 497 * default address family is AF_INET, reassign af only for the | |
| 498 * other valid address families. | |
| 499 */ | |
| 500 if (*argv != NULL) { | |
| 501 switch (keyword(*argv)) { | |
| 502 case K_INET6: | |
| 503 af = AF_INET6; | |
| 504 early_v6_keyword = B_TRUE; | |
| 505 /* fallthrough */ | |
| 506 case K_INET: | |
| 507 /* Skip over the address family parameter. */ | |
| 508 argc--; | |
| 509 argv++; | |
| 510 break; | |
| 511 } | |
| 512 } | |
| 513 flushroutes(0, NULL); | |
| 514 } | |
| 515 | |
| 516 if (*argv != NULL) { | |
| 517 switch (keyword(*argv)) { | |
| 518 case K_GET: | |
| 519 case K_CHANGE: | |
| 520 case K_ADD: | |
| 521 case K_DELETE: | |
| 522 rval = 0; | |
| 523 if (update_table) { | |
| 524 rval = newroute(argv); | |
| 525 } | |
| 526 if (perm_flag && (rval == 0 || rval == EEXIST || | |
| 527 rval == ESRCH)) { | |
| 528 save_route(argc, argv, B_FALSE); | |
| 529 return (0); | |
| 530 } | |
| 531 return (rval); | |
| 532 case K_SHOW: | |
| 533 if (perm_flag) { | |
| 534 return (show_saved_routes(argc)); | |
| 535 } else { | |
| 536 syntax_error(gettext( | |
| 537 "route: show command requires -p\n")); | |
| 538 } | |
| 539 /* NOTREACHED */ | |
| 540 case K_MONITOR: | |
| 541 rtmonitor(argc, argv); | |
| 542 /* NOTREACHED */ | |
| 543 | |
| 544 case K_FLUSH: | |
| 545 flushroutes(argc, argv); | |
| 546 return (0); | |
| 547 } | |
| 548 } | |
| 549 if (!fflag) | |
| 550 usage(*argv); | |
| 551 return (0); | |
| 552 } | |
| 553 | |
| 554 /* | |
| 555 * Purge all entries in the routing tables not | |
| 556 * associated with network interfaces. | |
| 557 */ | |
| 558 void | |
| 559 flushroutes(int argc, char *argv[]) | |
| 560 { | |
| 561 int seqno; | |
| 562 int sd; /* mib stream */ | |
| 563 mib_item_t *item; | |
| 564 mib2_ipRouteEntry_t *rp; | |
| 565 mib2_ipv6RouteEntry_t *rp6; | |
| 566 int oerrno; | |
| 567 int off = 0; | |
| 568 int on = 1; | |
| 569 | |
| 570 if (argc > 1) { | |
| 571 argv++; | |
| 572 if (argc == 2 && **argv == '-') { | |
| 573 /* | |
| 574 * The address family (preceded by a dash) may be used | |
| 575 * to flush the routes of that particular family. | |
| 576 */ | |
| 577 switch (keyword(*argv + 1)) { | |
| 578 case K_INET: | |
| 579 af = AF_INET; | |
| 580 break; | |
| 581 case K_LINK: | |
| 582 af = AF_LINK; | |
| 583 break; | |
| 584 case K_INET6: | |
| 585 af = AF_INET6; | |
| 586 break; | |
| 587 default: | |
| 588 usage(*argv); | |
| 589 /* NOTREACHED */ | |
| 590 } | |
| 591 } else { | |
| 592 usage(*argv); | |
| 593 } | |
| 594 } | |
| 595 if (perm_flag) { | |
| 596 /* This flushes the persistent route file */ | |
| 597 save_route(0, NULL, B_TRUE); | |
| 598 } | |
| 599 if (!update_table) { | |
| 600 return; | |
| 601 } | |
| 602 | |
| 603 if (setsockopt(s, SOL_SOCKET, SO_USELOOPBACK, (char *)&off, | |
| 604 sizeof (off)) < 0) | |
| 605 quit("setsockopt", errno); | |
| 606 | |
| 607 sd = open("/dev/ip", O_RDWR); | |
| 608 oerrno = errno; | |
| 609 if (sd < 0) { | |
| 610 switch (errno) { | |
| 611 case EACCES: | |
| 612 (void) fprintf(stderr, | |
| 613 gettext("route: flush: insufficient privileges\n")); | |
| 614 exit(oerrno); | |
| 615 /* NOTREACHED */ | |
| 616 default: | |
| 617 quit(gettext("can't open mib stream"), oerrno); | |
| 618 /* NOTREACHED */ | |
| 619 } | |
| 620 } | |
| 621 if ((item = mibget(sd)) == NULL) | |
| 622 quit("mibget", errno); | |
| 623 if (verbose) { | |
| 624 (void) printf("Examining routing table from " | |
| 625 "T_SVR4_OPTMGMT_REQ\n"); | |
| 626 } | |
| 627 seqno = 0; /* ??? */ | |
| 628 switch (af) { | |
| 629 case AF_INET: | |
| 630 /* Extract ipRouteEntrySize */ | |
| 631 for (; item != NULL; item = item->next_item) { | |
| 632 if (item->mib_id != 0) | |
| 633 continue; | |
| 634 if (item->group == MIB2_IP) { | |
| 635 ipRouteEntrySize = | |
| 636 ((mib2_ip_t *)item->valp)->ipRouteEntrySize; | |
| 637 assert(IS_P2ALIGNED(ipRouteEntrySize, | |
| 638 sizeof (mib2_ipRouteEntry_t *))); | |
| 639 break; | |
| 640 } | |
| 641 } | |
| 642 if (ipRouteEntrySize == 0) { | |
| 643 (void) fprintf(stderr, | |
| 644 gettext("ipRouteEntrySize can't be determined.\n")); | |
| 645 exit(1); | |
| 646 } | |
| 647 for (; item != NULL; item = item->next_item) { | |
| 648 /* | |
| 649 * skip all the other trash that comes up the mib stream | |
| 650 */ | |
| 651 if (item->group != MIB2_IP || | |
| 652 item->mib_id != MIB2_IP_ROUTE) | |
| 653 continue; | |
| 654 for (rp = (mib2_ipRouteEntry_t *)item->valp; | |
| 655 (char *)rp < (char *)item->valp + item->length; | |
| 656 /* LINTED */ | |
| 657 rp = (mib2_ipRouteEntry_t *) | |
| 658 ((char *)rp + ipRouteEntrySize)) { | |
| 659 delRouteEntry(rp, NULL, seqno); | |
| 660 seqno++; | |
| 661 } | |
| 662 break; | |
| 663 } | |
| 664 break; | |
| 665 case AF_INET6: | |
| 666 /* Extract ipv6RouteEntrySize */ | |
| 667 for (; item != NULL; item = item->next_item) { | |
| 668 if (item->mib_id != 0) | |
| 669 continue; | |
| 670 if (item->group == MIB2_IP6) { | |
| 671 ipv6RouteEntrySize = | |
| 672 ((mib2_ipv6IfStatsEntry_t *)item->valp)-> | |
| 673 ipv6RouteEntrySize; | |
| 674 assert(IS_P2ALIGNED(ipv6RouteEntrySize, | |
| 675 sizeof (mib2_ipv6RouteEntry_t *))); | |
| 676 break; | |
| 677 } | |
| 678 } | |
| 679 if (ipv6RouteEntrySize == 0) { | |
| 680 (void) fprintf(stderr, gettext( | |
| 681 "ipv6RouteEntrySize cannot be determined.\n")); | |
| 682 exit(1); | |
| 683 } | |
| 684 for (; item != NULL; item = item->next_item) { | |
| 685 /* | |
| 686 * skip all the other trash that comes up the mib stream | |
| 687 */ | |
| 688 if (item->group != MIB2_IP6 || | |
| 689 item->mib_id != MIB2_IP6_ROUTE) | |
| 690 continue; | |
| 691 for (rp6 = (mib2_ipv6RouteEntry_t *)item->valp; | |
| 692 (char *)rp6 < (char *)item->valp + item->length; | |
| 693 /* LINTED */ | |
| 694 rp6 = (mib2_ipv6RouteEntry_t *) | |
| 695 ((char *)rp6 + ipv6RouteEntrySize)) { | |
| 696 delRouteEntry(NULL, rp6, seqno); | |
| 697 seqno++; | |
| 698 } | |
| 699 break; | |
| 700 } | |
| 701 break; | |
| 702 } | |
| 703 | |
| 704 if (setsockopt(s, SOL_SOCKET, SO_USELOOPBACK, (char *)&on, | |
| 705 sizeof (on)) < 0) | |
| 706 quit("setsockopt", errno); | |
| 707 } | |
| 708 | |
| 709 /* | |
| 710 * Given the contents of a mib_item_t of id type MIB2_IP_ROUTE or | |
| 711 * MIB2_IP6_ROUTE, construct and send an RTM_DELETE routing socket message in | |
| 712 * order to facilitate the flushing of RTF_GATEWAY routes. | |
| 713 */ | |
| 714 static void | |
| 715 delRouteEntry(mib2_ipRouteEntry_t *rp, mib2_ipv6RouteEntry_t *rp6, int seqno) | |
| 716 { | |
| 717 char *cp; | |
| 718 int ire_type; | |
| 719 int rlen; | |
| 720 struct rt_msghdr *rtm; | |
| 721 struct sockaddr_in sin; | |
| 722 struct sockaddr_in6 sin6; | |
| 723 int slen; | |
| 724 | |
| 725 if (rp != NULL) | |
| 726 ire_type = rp->ipRouteInfo.re_ire_type; | |
| 727 else | |
| 728 ire_type = rp6->ipv6RouteInfo.re_ire_type; | |
| 729 if (ire_type != IRE_DEFAULT && | |
| 730 ire_type != IRE_PREFIX && | |
| 731 ire_type != IRE_HOST && | |
| 732 ire_type != IRE_HOST_REDIRECT) | |
| 733 return; | |
| 734 | |
| 735 rtm = &m_rtmsg.m_rtm; | |
| 736 (void) memset(rtm, 0, sizeof (m_rtmsg)); | |
| 737 rtm->rtm_type = RTM_DELETE; | |
| 738 rtm->rtm_seq = seqno; | |
| 739 rtm->rtm_flags |= RTF_GATEWAY; | |
| 740 rtm->rtm_version = RTM_VERSION; | |
| 741 rtm->rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK; | |
| 742 cp = m_rtmsg.m_space; | |
| 743 if (rp != NULL) { | |
| 744 slen = sizeof (struct sockaddr_in); | |
| 745 if (rp->ipRouteMask == IP_HOST_MASK) | |
| 746 rtm->rtm_flags |= RTF_HOST; | |
| 747 (void) memset(&sin, 0, slen); | |
| 748 sin.sin_family = AF_INET; | |
| 749 sin.sin_addr.s_addr = rp->ipRouteDest; | |
| 750 (void) memmove(cp, &sin, slen); | |
| 751 cp += slen; | |
| 752 sin.sin_addr.s_addr = rp->ipRouteNextHop; | |
| 753 (void) memmove(cp, &sin, slen); | |
| 754 cp += slen; | |
| 755 sin.sin_addr.s_addr = rp->ipRouteMask; | |
| 756 (void) memmove(cp, &sin, slen); | |
| 757 cp += slen; | |
| 758 } else { | |
| 759 slen = sizeof (struct sockaddr_in6); | |
| 760 if (rp6->ipv6RoutePfxLength == IPV6_ABITS) | |
| 761 rtm->rtm_flags |= RTF_HOST; | |
| 762 (void) memset(&sin6, 0, slen); | |
| 763 sin6.sin6_family = AF_INET6; | |
| 764 sin6.sin6_addr = rp6->ipv6RouteDest; | |
| 765 (void) memmove(cp, &sin6, slen); | |
| 766 cp += slen; | |
| 767 sin6.sin6_addr = rp6->ipv6RouteNextHop; | |
| 768 (void) memmove(cp, &sin6, slen); | |
| 769 cp += slen; | |
| 770 (void) memset(&sin6.sin6_addr, 0, sizeof (sin6.sin6_addr)); | |
| 771 (void) in_prefixlentomask(rp6->ipv6RoutePfxLength, IPV6_ABITS, | |
| 772 (uchar_t *)&sin6.sin6_addr.s6_addr); | |
| 773 (void) memmove(cp, &sin6, slen); | |
| 774 cp += slen; | |
| 775 } | |
| 776 rtm->rtm_msglen = cp - (char *)&m_rtmsg; | |
| 777 if (debugonly) { | |
| 778 /* | |
| 779 * In debugonly mode, the routing socket message to delete the | |
| 780 * current entry is not actually sent. However if verbose is | |
| 781 * also set, the routing socket message that would have been | |
| 782 * is printed. | |
| 783 */ | |
| 784 if (verbose) | |
| 785 print_rtmsg(rtm, rtm->rtm_msglen); | |
| 786 return; | |
| 787 } | |
| 788 | |
| 789 rlen = write(s, (char *)&m_rtmsg, rtm->rtm_msglen); | |
| 790 if (rlen < (int)rtm->rtm_msglen) { | |
| 791 if (rlen < 0) { | |
| 792 (void) fprintf(stderr, | |
| 793 gettext("route: write to routing socket: %s\n"), | |
| 794 strerror(errno)); | |
| 795 } else { | |
| 796 (void) fprintf(stderr, gettext("route: write to " | |
| 797 "routing socket got only %d for rlen\n"), rlen); | |
| 798 } | |
| 799 return; | |
| 800 } | |
| 801 if (qflag) { | |
| 802 /* | |
| 803 * In quiet mode, nothing is printed at all (unless the write() | |
| 804 * itself failed. | |
| 805 */ | |
| 806 return; | |
| 807 } | |
| 808 if (verbose) { | |
| 809 print_rtmsg(rtm, rlen); | |
| 810 } else { | |
| 811 struct sockaddr *sa = (struct sockaddr *)(rtm + 1); | |
| 812 | |
| 813 (void) printf("%-20.20s ", | |
| 814 rtm->rtm_flags & RTF_HOST ? routename(sa) : | |
| 815 netname(sa)); | |
| 816 /* LINTED */ | |
| 817 sa = (struct sockaddr *)(salen(sa) + (char *)sa); | |
| 818 (void) printf("%-20.20s ", routename(sa)); | |
| 819 (void) printf("done\n"); | |
| 820 } | |
| 821 } | |
| 822 | |
| 823 /* | |
| 824 * Return the name of the host whose address is given. | |
| 825 */ | |
| 826 char * | |
| 827 routename(const struct sockaddr *sa) | |
| 828 { | |
| 829 char *cp; | |
| 830 static char line[MAXHOSTNAMELEN + 1]; | |
| 831 struct hostent *hp = NULL; | |
| 832 static char domain[MAXHOSTNAMELEN + 1]; | |
| 833 static boolean_t first = B_TRUE; | |
| 834 struct in_addr in; | |
| 835 struct in6_addr in6; | |
| 836 int error_num; | |
| 837 ushort_t *s; | |
| 838 ushort_t *slim; | |
| 839 | |
| 840 if (first) { | |
| 841 first = B_FALSE; | |
| 842 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && | |
| 843 (cp = strchr(domain, '.'))) | |
| 844 (void) strcpy(domain, cp + 1); | |
| 845 else | |
| 846 domain[0] = 0; | |
| 847 } | |
| 848 | |
| 849 if (salen(sa) == 0) { | |
| 850 (void) strcpy(line, "default"); | |
| 851 return (line); | |
| 852 } | |
| 853 switch (sa->sa_family) { | |
| 854 | |
| 855 case AF_INET: | |
| 856 /* LINTED */ | |
| 857 in = ((struct sockaddr_in *)sa)->sin_addr; | |
| 858 | |
| 859 cp = NULL; | |
| 860 if (in.s_addr == INADDR_ANY) | |
| 861 cp = "default"; | |
| 862 if (cp == NULL && !nflag) { | |
| 863 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), | |
| 864 AF_INET); | |
| 865 if (hp != NULL) { | |
| 866 if (((cp = strchr(hp->h_name, '.')) != NULL) && | |
| 867 (strcmp(cp + 1, domain) == 0)) | |
| 868 *cp = 0; | |
| 869 cp = hp->h_name; | |
| 870 } | |
| 871 } | |
| 872 if (cp != NULL) { | |
| 873 (void) strncpy(line, cp, MAXHOSTNAMELEN); | |
| 874 line[MAXHOSTNAMELEN] = '\0'; | |
| 875 } else { | |
| 876 in.s_addr = ntohl(in.s_addr); | |
| 877 (void) sprintf(line, "%u.%u.%u.%u", C(in.s_addr >> 24), | |
| 878 C(in.s_addr >> 16), C(in.s_addr >> 8), | |
| 879 C(in.s_addr)); | |
| 880 } | |
| 881 break; | |
| 882 | |
| 883 case AF_LINK: | |
| 884 return (link_ntoa((struct sockaddr_dl *)sa)); | |
| 885 | |
| 886 case AF_INET6: | |
| 887 /* LINTED */ | |
| 888 in6 = ((struct sockaddr_in6 *)sa)->sin6_addr; | |
| 889 | |
| 890 cp = NULL; | |
| 891 if (IN6_IS_ADDR_UNSPECIFIED(&in6)) | |
| 892 cp = "default"; | |
| 893 if (cp == NULL && !nflag) { | |
| 894 hp = getipnodebyaddr((char *)&in6, | |
| 895 sizeof (struct in6_addr), AF_INET6, &error_num); | |
| 896 if (hp != NULL) { | |
| 897 if (((cp = strchr(hp->h_name, '.')) != NULL) && | |
| 898 (strcmp(cp + 1, domain) == 0)) | |
| 899 *cp = 0; | |
| 900 cp = hp->h_name; | |
| 901 } | |
| 902 } | |
| 903 if (cp != NULL) { | |
| 904 (void) strncpy(line, cp, MAXHOSTNAMELEN); | |
| 905 line[MAXHOSTNAMELEN] = '\0'; | |
| 906 } else { | |
| 907 (void) inet_ntop(AF_INET6, (void *)&in6, line, | |
| 908 INET6_ADDRSTRLEN); | |
| 909 } | |
| 910 if (hp != NULL) | |
| 911 freehostent(hp); | |
| 912 | |
| 913 break; | |
| 914 | |
| 915 default: | |
| 916 s = (ushort_t *)sa; | |
| 917 | |
| 918 slim = s + ((salen(sa) + 1) >> 1); | |
| 919 cp = line + sprintf(line, "(%d)", sa->sa_family); | |
| 920 | |
| 921 while (++s < slim) /* start with sa->sa_data */ | |
| 922 cp += sprintf(cp, " %x", *s); | |
| 923 break; | |
| 924 } | |
| 925 return (line); | |
| 926 } | |
| 927 | |
| 928 /* | |
| 929 * Return the name of the network whose address is given. | |
| 930 * The address is assumed to be that of a net or subnet, not a host. | |
| 931 */ | |
| 932 static char * | |
| 933 netname(struct sockaddr *sa) | |
| 934 { | |
| 935 char *cp = NULL; | |
| 936 static char line[MAXHOSTNAMELEN + 1]; | |
| 937 struct netent *np; | |
| 938 in_addr_t net, mask; | |
| 939 int subnetshift; | |
| 940 struct in_addr in; | |
| 941 ushort_t *s; | |
| 942 ushort_t *slim; | |
| 943 | |
| 944 switch (sa->sa_family) { | |
| 945 | |
| 946 case AF_INET: | |
| 947 /* LINTED */ | |
| 948 in = ((struct sockaddr_in *)sa)->sin_addr; | |
| 949 | |
| 950 in.s_addr = ntohl(in.s_addr); | |
| 951 if (in.s_addr == INADDR_ANY) { | |
| 952 cp = "default"; | |
| 953 } else if (!nflag) { | |
| 954 if (IN_CLASSA(in.s_addr)) { | |
| 955 mask = IN_CLASSA_NET; | |
| 956 subnetshift = 8; | |
| 957 } else if (IN_CLASSB(in.s_addr)) { | |
| 958 mask = IN_CLASSB_NET; | |
| 959 subnetshift = 8; | |
| 960 } else { | |
| 961 mask = IN_CLASSC_NET; | |
| 962 subnetshift = 4; | |
| 963 } | |
| 964 /* | |
| 965 * If there are more bits than the standard mask | |
| 966 * would suggest, subnets must be in use. | |
| 967 * Guess at the subnet mask, assuming reasonable | |
| 968 * width subnet fields. | |
| 969 */ | |
| 970 while (in.s_addr &~ mask) | |
| 971 mask = (long)mask >> subnetshift; | |
| 972 net = in.s_addr & mask; | |
| 973 while ((mask & 1) == 0) | |
| 974 mask >>= 1, net >>= 1; | |
| 975 np = getnetbyaddr(net, AF_INET); | |
| 976 if (np != NULL) | |
| 977 cp = np->n_name; | |
| 978 } | |
| 979 if (cp != NULL) { | |
| 980 (void) strncpy(line, cp, MAXHOSTNAMELEN); | |
| 981 line[MAXHOSTNAMELEN] = '\0'; | |
| 982 } else if ((in.s_addr & 0xffffff) == 0) { | |
| 983 (void) sprintf(line, "%u", C(in.s_addr >> 24)); | |
| 984 } else if ((in.s_addr & 0xffff) == 0) { | |
| 985 (void) sprintf(line, "%u.%u", C(in.s_addr >> 24), | |
| 986 C(in.s_addr >> 16)); | |
| 987 } else if ((in.s_addr & 0xff) == 0) { | |
| 988 (void) sprintf(line, "%u.%u.%u", C(in.s_addr >> 24), | |
| 989 C(in.s_addr >> 16), C(in.s_addr >> 8)); | |
| 990 } else { | |
| 991 (void) sprintf(line, "%u.%u.%u.%u", C(in.s_addr >> 24), | |
| 992 C(in.s_addr >> 16), C(in.s_addr >> 8), | |
| 993 C(in.s_addr)); | |
| 994 } | |
| 995 break; | |
| 996 | |
| 997 case AF_LINK: | |
| 998 return (link_ntoa((struct sockaddr_dl *)sa)); | |
| 999 | |
| 1000 case AF_INET6: | |
| 1001 return (routename(sa)); | |
| 1002 | |
| 1003 default: | |
| 1004 /* LINTED */ | |
| 1005 s = (ushort_t *)sa->sa_data; | |
| 1006 | |
| 1007 slim = s + ((salen(sa) + 1) >> 1); | |
| 1008 cp = line + sprintf(line, "af %d:", sa->sa_family); | |
| 1009 | |
| 1010 while (s < slim) | |
| 1011 cp += sprintf(cp, " %x", *s++); | |
| 1012 break; | |
| 1013 } | |
| 1014 return (line); | |
| 1015 } | |
| 1016 | |
| 1017 /* | |
| 1018 * Initialize a new structure. Keep in mind that ri_dst_str, ri_gate_str and | |
| 1019 * ri_ifp_str will be freed by det_rtcmd_irep, so they should either be NULL | |
| 1020 * or point to dynamically allocated memory. | |
| 1021 */ | |
| 1022 rtcmd_irep_t * | |
| 1023 new_rtcmd_irep(void) | |
| 1024 { | |
| 1025 rtcmd_irep_t *rcip; | |
| 1026 | |
| 1027 rcip = calloc(1, sizeof (rtcmd_irep_t)); | |
| 1028 if (rcip == NULL) { | |
| 1029 quit("calloc", errno); | |
| 1030 } | |
| 1031 rcip->ri_af = af; | |
| 1032 rcip->ri_flags = RTF_STATIC; | |
| 1033 return (rcip); | |
| 1034 } | |
| 1035 | |
| 1036 void | |
| 1037 del_rtcmd_irep(rtcmd_irep_t *rcip) | |
| 1038 { | |
| 1039 free(rcip->ri_dest_str); | |
| 1040 free(rcip->ri_gate_str); | |
| 1041 free(rcip->ri_ifp_str); | |
| 1042 /* | |
| 1043 * IPv6 host entries come from getipnodebyname, which dynamically | |
| 1044 * allocates memory. IPv4 host entries come from gethostbyname, which | |
| 1045 * returns static memory and cannot be freed with freehostent. | |
| 1046 */ | |
| 1047 if (rcip->ri_gate_hp != NULL && | |
| 1048 rcip->ri_gate_hp->h_addrtype == AF_INET6) | |
| 1049 freehostent(rcip->ri_gate_hp); | |
| 1050 free(rcip); | |
| 1051 } | |
| 1052 | |
| 1053 void | |
| 1054 save_string(char **dst, char *src) | |
| 1055 { | |
| 1056 free(*dst); | |
| 1057 *dst = strdup(src); | |
| 1058 if (*dst == NULL) { | |
| 1059 quit("malloc", errno); | |
| 1060 } | |
| 1061 } | |
| 1062 | |
| 1063 /* | |
| 1064 * Print the short form summary of a route command. | |
| 1065 * Eg. "add net default: gateway 10.0.0.1" | |
| 1066 * The final newline is not added, allowing the caller to append additional | |
| 1067 * information. | |
| 1068 */ | |
| 1069 void | |
| 1070 print_rtcmd_short(FILE *to, rtcmd_irep_t *rcip, boolean_t gw_good, | |
| 1071 boolean_t to_saved) | |
| 1072 { | |
| 1073 char *cmd; | |
| 1074 char obuf[INET6_ADDRSTRLEN]; | |
| 1075 | |
| 1076 switch (rcip->ri_cmd) { | |
| 1077 case RTM_ADD: | |
| 1078 cmd = "add"; | |
| 1079 break; | |
| 1080 case RTM_CHANGE: | |
| 1081 cmd = "change"; | |
| 1082 break; | |
| 1083 case RTM_DELETE: | |
| 1084 cmd = "delete"; | |
| 1085 break; | |
| 1086 case RTM_GET: | |
| 1087 cmd = "get"; | |
| 1088 break; | |
| 1089 default: | |
| 1090 assert(0); | |
| 1091 } | |
| 1092 | |
| 1093 (void) fprintf(to, "%s%s %s %s", cmd, | |
| 1094 (to_saved) ? " persistent" : "", | |
| 1095 (rcip->ri_flags & RTF_HOST) ? "host" : "net", | |
| 1096 (rcip->ri_dest_str == NULL) ? "NULL" : rcip->ri_dest_str); | |
| 1097 | |
| 1098 if (rcip->ri_gate_str != NULL) { | |
| 1099 switch (rcip->ri_af) { | |
| 1100 case AF_INET: | |
| 1101 if (nflag) { | |
| 1102 (void) fprintf(to, ": gateway %s", | |
| 1103 inet_ntoa(rcip->ri_gate.sin.sin_addr)); | |
| 1104 } else if (gw_good && | |
| 1105 rcip->ri_gate_hp != NULL && | |
| 1106 rcip->ri_gate_hp->h_addr_list[1] != NULL) { | |
| 1107 /* | |
| 1108 * Print the actual address used in the case | |
| 1109 * where there was more than one address | |
| 1110 * available for the name, and one was used | |
| 1111 * successfully. | |
| 1112 */ | |
| 1113 (void) fprintf(to, ": gateway %s (%s)", | |
| 1114 rcip->ri_gate_str, | |
| 1115 inet_ntoa(rcip->ri_gate.sin.sin_addr)); | |
| 1116 } else { | |
| 1117 (void) fprintf(to, ": gateway %s", | |
| 1118 rcip->ri_gate_str); | |
| 1119 } | |
| 1120 break; | |
| 1121 case AF_INET6: | |
| 1122 if (inet_ntop(AF_INET6, | |
| 1123 &rcip->ri_gate.sin6.sin6_addr, obuf, | |
| 1124 INET6_ADDRSTRLEN) != NULL) { | |
| 1125 if (nflag) { | |
| 1126 (void) fprintf(to, ": gateway %s", | |
| 1127 obuf); | |
| 1128 break; | |
| 1129 } | |
| 1130 if (gw_good && | |
| 1131 rcip->ri_gate_hp->h_addr_list[1] != NULL) { | |
| 1132 (void) fprintf(to, ": gateway %s (%s)", | |
| 1133 rcip->ri_gate_str, obuf); | |
| 1134 break; | |
| 1135 } | |
| 1136 } | |
| 1137 /* FALLTHROUGH */ | |
| 1138 default: | |
| 1139 (void) fprintf(to, ": gateway %s", | |
| 1140 rcip->ri_gate_str); | |
| 1141 break; | |
| 1142 } | |
| 1143 } | |
| 1144 } | |
| 1145 | |
| 1146 void | |
| 1147 set_metric(rtcmd_irep_t *rcip, char *value, int key, boolean_t lock) | |
| 1148 { | |
| 1149 int flag = 0; | |
| 1150 uint_t noval, *valp = &noval; | |
| 1151 | |
| 1152 switch (key) { | |
| 1153 #define caseof(x, y, z) \ | |
| 1154 case (x): valp = &(rcip->ri_metrics.z); flag = (y); break | |
| 1155 | |
| 1156 caseof(K_MTU, RTV_MTU, rmx_mtu); | |
| 1157 caseof(K_HOPCOUNT, RTV_HOPCOUNT, rmx_hopcount); | |
| 1158 caseof(K_EXPIRE, RTV_EXPIRE, rmx_expire); | |
| 1159 caseof(K_RECVPIPE, RTV_RPIPE, rmx_recvpipe); | |
| 1160 caseof(K_SENDPIPE, RTV_SPIPE, rmx_sendpipe); | |
| 1161 caseof(K_SSTHRESH, RTV_SSTHRESH, rmx_ssthresh); | |
| 1162 caseof(K_RTT, RTV_RTT, rmx_rtt); | |
| 1163 caseof(K_RTTVAR, RTV_RTTVAR, rmx_rttvar); | |
| 1164 #undef caseof | |
| 1165 } | |
| 1166 rcip->ri_inits |= flag; | |
| 1167 if (lock) | |
| 1168 rcip->ri_metrics.rmx_locks |= flag; | |
| 1169 *valp = atoi(value); | |
| 1170 } | |
| 1171 | |
| 1172 /* | |
| 1173 * Parse the options give in argv[], filling in rcip with the results. | |
| 1174 * If cmd_string is non-null, argc and argv are ignored, and cmd_string is | |
| 1175 * tokenized to produce the command line. Cmd_string is tokenized using | |
| 1176 * strtok, which will overwrite whitespace in the string with nulls. | |
| 1177 * | |
| 1178 * Returns B_TRUE on success and B_FALSE on failure. | |
| 1179 */ | |
| 1180 boolean_t | |
| 1181 args_to_rtcmd(rtcmd_irep_t *rcip, char **argv, char *cmd_string) | |
| 1182 { | |
| 1183 const char *ws = "\f\n\r\t\v "; | |
| 1184 char *tok = cmd_string; | |
| 1185 char *keyword_str; | |
| 1186 addr_type_t atype = ADDR_TYPE_ANY; | |
| 1187 boolean_t iflag = B_FALSE; | |
| 1188 boolean_t locknext = B_FALSE; | |
| 1189 boolean_t lockrest = B_FALSE; | |
| 1190 boolean_t dash_keyword; | |
| 1191 int key; | |
| 1192 char *err; | |
| 1193 | |
| 1194 if (cmd_string == NULL) { | |
| 1195 tok = argv[0]; | |
| 1196 } else { | |
| 1197 tok = strtok(cmd_string, ws); | |
| 1198 } | |
| 1199 | |
| 1200 /* | |
| 1201 * The command keywords are already fully checked by main() or | |
| 1202 * search_rtfile(). | |
| 1203 */ | |
| 1204 switch (*tok) { | |
| 1205 case 'a': | |
| 1206 rcip->ri_cmd = RTM_ADD; | |
| 1207 break; | |
| 1208 case 'c': | |
| 1209 rcip->ri_cmd = RTM_CHANGE; | |
| 1210 break; | |
| 1211 case 'd': | |
| 1212 rcip->ri_cmd = RTM_DELETE; | |
| 1213 break; | |
| 1214 case 'g': | |
| 1215 rcip->ri_cmd = RTM_GET; | |
| 1216 break; | |
| 1217 default: | |
| 1218 /* NOTREACHED */ | |
| 1219 quit(gettext("Internal Error"), EINVAL); | |
| 1220 /* NOTREACHED */ | |
| 1221 } | |
| 1222 | |
| 1223 #define NEXTTOKEN \ | |
| 1224 ((tok = (cmd_string == NULL ? *++argv : strtok(NULL, ws))) != NULL) | |
| 1225 | |
| 1226 while (NEXTTOKEN) { | |
| 1227 keyword_str = tok; | |
| 1228 if (*tok == '-') { | |
| 1229 dash_keyword = B_TRUE; | |
| 1230 key = keyword(tok + 1); | |
| 1231 } else { | |
| 1232 dash_keyword = B_FALSE; | |
| 1233 key = keyword(tok); | |
| 1234 if (key != K_HOST && key != K_NET) { | |
| 1235 /* All others must be preceded by '-' */ | |
| 1236 key = 0; | |
| 1237 } | |
| 1238 } | |
| 1239 switch (key) { | |
| 1240 case K_HOST: | |
| 1241 if (atype == ADDR_TYPE_NET) { | |
| 1242 syntax_error(gettext("route: -host and -net " | |
| 1243 "are mutually exclusive\n")); | |
| 1244 return (B_FALSE); | |
| 1245 } | |
| 1246 atype = ADDR_TYPE_HOST; | |
| 1247 break; | |
| 1248 case K_NET: | |
| 1249 if (atype == ADDR_TYPE_HOST) { | |
| 1250 syntax_error(gettext("route: -host and -net " | |
| 1251 "are mutually exclusive\n")); | |
| 1252 return (B_FALSE); | |
| 1253 } | |
| 1254 atype = ADDR_TYPE_NET; | |
| 1255 break; | |
| 1256 case K_LINK: | |
| 1257 rcip->ri_af = AF_LINK; | |
| 1258 break; | |
| 1259 case K_INET: | |
| 1260 rcip->ri_af = AF_INET; | |
| 1261 break; | |
| 1262 case K_SA: | |
| 1263 rcip->ri_af = PF_ROUTE; | |
| 1264 break; | |
| 1265 case K_INET6: | |
| 1266 rcip->ri_af = AF_INET6; | |
| 1267 break; | |
| 1268 case K_IFACE: | |
| 1269 case K_INTERFACE: | |
| 1270 iflag = B_TRUE; | |
| 1271 /* fallthrough */ | |
| 1272 case K_NOSTATIC: | |
| 1273 rcip->ri_flags &= ~RTF_STATIC; | |
| 1274 break; | |
| 1275 case K_LOCK: | |
| 1276 locknext = B_TRUE; | |
| 1277 break; | |
| 1278 case K_LOCKREST: | |
| 1279 lockrest = B_TRUE; | |
| 1280 break; | |
| 1281 case K_REJECT: | |
| 1282 rcip->ri_flags |= RTF_REJECT; | |
| 1283 break; | |
| 1284 case K_BLACKHOLE: | |
| 1285 rcip->ri_flags |= RTF_BLACKHOLE; | |
| 1286 break; | |
| 1287 case K_PROTO1: | |
| 1288 rcip->ri_flags |= RTF_PROTO1; | |
| 1289 break; | |
| 1290 case K_PROTO2: | |
| 1291 rcip->ri_flags |= RTF_PROTO2; | |
| 1292 break; | |
| 1293 case K_CLONING: | |
| 1294 rcip->ri_flags |= RTF_CLONING; | |
| 1295 break; | |
| 1296 case K_XRESOLVE: | |
| 1297 rcip->ri_flags |= RTF_XRESOLVE; | |
| 1298 break; | |
| 1299 case K_STATIC: | |
| 1300 rcip->ri_flags |= RTF_STATIC; | |
| 1301 break; | |
| 1302 case K_IFA: | |
| 1303 if (!NEXTTOKEN) { | |
| 1304 syntax_arg_missing(keyword_str); | |
| 1305 return (B_FALSE); | |
| 1306 } | |
| 1307 if (!getaddr(rcip, RTA_IFA, tok, atype)) { | |
| 1308 return (B_FALSE); | |
| 1309 } | |
| 1310 break; | |
| 1311 case K_IFP: | |
| 1312 if (!NEXTTOKEN) { | |
| 1313 syntax_arg_missing(keyword_str); | |
| 1314 return (B_FALSE); | |
| 1315 } | |
| 1316 if (!getaddr(rcip, RTA_IFP, tok, atype)) { | |
| 1317 return (B_FALSE); | |
| 1318 } | |
| 1319 break; | |
| 1320 case K_GATEWAY: | |
| 1321 if (!NEXTTOKEN) { | |
| 1322 syntax_arg_missing(keyword_str); | |
| 1323 return (B_FALSE); | |
| 1324 } | |
| 1325 if (!getaddr(rcip, RTA_GATEWAY, tok, atype)) { | |
| 1326 return (B_FALSE); | |
| 1327 } | |
| 1328 break; | |
| 1329 case K_DST: | |
| 1330 if (!NEXTTOKEN) { | |
| 1331 syntax_arg_missing(keyword_str); | |
| 1332 return (B_FALSE); | |
| 1333 } | |
| 1334 if (!getaddr(rcip, RTA_DST, tok, atype)) { | |
| 1335 return (B_FALSE); | |
| 1336 } | |
| 1337 break; | |
| 1338 case K_NETMASK: | |
| 1339 if (!NEXTTOKEN) { | |
| 1340 syntax_arg_missing(keyword_str); | |
| 1341 return (B_FALSE); | |
| 1342 } | |
| 1343 if (!getaddr(rcip, RTA_NETMASK, tok, atype)) { | |
| 1344 return (B_FALSE); | |
| 1345 } | |
| 1346 atype = ADDR_TYPE_NET; | |
| 1347 break; | |
| 1348 case K_MTU: | |
| 1349 case K_HOPCOUNT: | |
| 1350 case K_EXPIRE: | |
| 1351 case K_RECVPIPE: | |
| 1352 case K_SENDPIPE: | |
| 1353 case K_SSTHRESH: | |
| 1354 case K_RTT: | |
| 1355 case K_RTTVAR: | |
| 1356 if (!NEXTTOKEN) { | |
| 1357 syntax_arg_missing(keyword_str); | |
| 1358 return (B_FALSE); | |
| 1359 } | |
| 1360 set_metric(rcip, tok, key, locknext || lockrest); | |
| 1361 locknext = B_FALSE; | |
| 1362 break; | |
| 1363 case K_PRIVATE: | |
| 1364 rcip->ri_flags |= RTF_PRIVATE; | |
| 1365 break; | |
| 1366 case K_MULTIRT: | |
| 1367 rcip->ri_flags |= RTF_MULTIRT; | |
| 1368 break; | |
| 1369 case K_SETSRC: | |
| 1370 if (!NEXTTOKEN) { | |
| 1371 syntax_arg_missing(keyword_str); | |
| 1372 return (B_FALSE); | |
| 1373 } | |
| 1374 if (!getaddr(rcip, RTA_SRC, tok, atype)) { | |
| 1375 return (B_FALSE); | |
| 1376 } | |
| 1377 rcip->ri_flags |= RTF_SETSRC; | |
| 1378 break; | |
| 1379 case K_SECATTR: | |
| 1380 if (!NEXTTOKEN) { | |
| 1381 syntax_arg_missing(keyword_str); | |
| 1382 return (B_FALSE); | |
| 1383 } | |
| 1384 if (is_system_labeled()) { | |
| 1385 int err; | |
| 1386 | |
| 1387 if (rcip->ri_rtsa_cnt >= 1) { | |
| 1388 syntax_error(gettext("route: can't " | |
| 1389 "specify more than one security " | |
| 1390 "attribute\n")); | |
| 1391 return (B_FALSE); | |
| 1392 } | |
| 1393 if (!rtsa_keyword(tok, &rcip->ri_rtsa, &err, | |
| 1394 NULL)) { | |
| 1395 syntax_error(gettext("route: " | |
| 1396 "bad security attribute: %s\n"), | |
| 1397 tsol_strerror(err, errno)); | |
| 1398 return (B_FALSE); | |
| 1399 } | |
| 1400 rcip->ri_rtsa_cnt++; | |
| 1401 } else { | |
| 1402 syntax_error(gettext("route: " | |
| 1403 "system is not labeled; cannot specify " | |
| 1404 "security attributes.\n")); | |
| 1405 return (B_FALSE); | |
| 1406 } | |
| 1407 break; | |
| 1408 default: | |
| 1409 if (dash_keyword) { | |
| 1410 syntax_bad_keyword(tok + 1); | |
| 1411 return (B_FALSE); | |
| 1412 } | |
| 1413 if ((rcip->ri_addrs & RTA_DST) == 0) { | |
| 1414 if (!getaddr(rcip, RTA_DST, tok, atype)) { | |
| 1415 return (B_FALSE); | |
| 1416 } | |
| 1417 } else if ((rcip->ri_addrs & RTA_GATEWAY) == 0) { | |
| 1418 /* | |
| 1419 * For the gateway parameter, retrieve the | |
| 1420 * pointer to the struct hostent so that all | |
| 1421 * possible addresses can be tried until one | |
| 1422 * is successful. | |
| 1423 */ | |
| 1424 if (!getaddr(rcip, RTA_GATEWAY, tok, atype)) { | |
| 1425 return (B_FALSE); | |
| 1426 } | |
| 1427 } else { | |
| 1428 ulong_t metric; | |
| 1429 /* | |
| 1430 * Assume that a regular number is a metric. | |
| 1431 * Needed for compatibility with old route | |
| 1432 * command syntax. | |
| 1433 */ | |
| 1434 errno = 0; | |
| 1435 metric = strtoul(tok, &err, 10); | |
| 1436 if (errno == 0 && *err == '\0' && | |
| 1437 metric < 0x80000000ul) { | |
| 1438 iflag = (metric == 0); | |
| 1439 if (verbose) { | |
| 1440 (void) printf("old usage of " | |
| 1441 "trailing number, assuming " | |
| 1442 "route %s\n", iflag ? | |
| 1443 "to if" : "via gateway"); | |
| 1444 } | |
| 1445 continue; | |
| 1446 } | |
| 1447 if (!getaddr(rcip, RTA_NETMASK, tok, atype)) { | |
| 1448 return (B_FALSE); | |
| 1449 } | |
| 1450 } | |
| 1451 } | |
| 1452 } | |
| 1453 #undef NEXTTOKEN | |
| 1454 | |
| 1455 if ((rcip->ri_addrs & RTA_DST) == 0) { | |
| 1456 syntax_error(gettext("route: destination required\n")); | |
| 1457 return (B_FALSE); | |
| 1458 } else if ((rcip->ri_cmd == RTM_ADD || rcip->ri_cmd == RTM_DELETE) && | |
| 1459 (rcip->ri_addrs & RTA_GATEWAY) == 0) { | |
| 1460 syntax_error(gettext( | |
| 1461 "route: gateway required for add or delete command\n")); | |
| 1462 return (B_FALSE); | |
| 1463 } | |
| 1464 | |
| 1465 if (!iflag) { | |
| 1466 rcip->ri_flags |= RTF_GATEWAY; | |
| 1467 } | |
| 1468 | |
| 1469 if (atype != ADDR_TYPE_NET) { | |
| 1470 if (rcip->ri_addrs & RTA_NETMASK) { | |
| 1471 /* | |
| 1472 * We know the netmask, so we can set the host flag | |
| 1473 * based on whether the netmask is the host netmask. | |
| 1474 */ | |
| 1475 if (rcip->ri_af == AF_INET && | |
| 1476 rcip->ri_mask.sin.sin_addr.s_addr == | |
| 1477 IP_HOST_MASK) { | |
| 1478 rcip->ri_flags |= RTF_HOST; | |
| 1479 } | |
| 1480 if (rcip->ri_af == AF_INET6 && | |
| 1481 memcmp(&rcip->ri_mask.sin6.sin6_addr, | |
| 1482 &in6_host_mask, | |
| 1483 sizeof (struct in6_addr)) == 0) { | |
| 1484 rcip->ri_flags |= RTF_HOST; | |
| 1485 } | |
| 1486 } else { | |
| 1487 /* | |
| 1488 * If no prefix mask has been saved at this point, it | |
| 1489 * only makes sense to treat the destination address | |
| 1490 * as a host address. | |
| 1491 */ | |
| 1492 rcip->ri_flags |= RTF_HOST; | |
| 1493 } | |
| 1494 } | |
| 1495 return (B_TRUE); | |
| 1496 } | |
| 1497 | |
| 1498 /* | |
| 1499 * This command always seeks to the end of the file prior to writing. | |
| 1500 */ | |
| 1501 void | |
| 1502 write_to_rtfile(FILE *fp, int argc, char **argv) | |
| 1503 { | |
| 1504 char file_line[BUF_SIZE]; | |
| 1505 int len; | |
| 1506 int i; | |
| 1507 | |
| 1508 len = 0; | |
| 1509 if (early_v6_keyword) { | |
| 1510 /* | |
| 1511 * This flag is set when "inet6" was seen as an | |
| 1512 * argument to the -f flag. Normally, when writing | |
| 1513 * routes to the persistent route file, everything on | |
| 1514 * the command line after "add" is saved verbatim. | |
| 1515 * In this case, the arguments after "add" may not be | |
| 1516 * sufficient, as the ipv6 keyword came before "add", | |
| 1517 * yet must be present in the persistent route file. | |
| 1518 */ | |
| 1519 len += snprintf(file_line, BUF_SIZE, "-inet6 "); | |
| 1520 } | |
| 1521 for (i = 0; argc > 0 && len < BUF_SIZE; i++, argc--) { | |
| 1522 len += snprintf(&file_line[len], BUF_SIZE - len, "%s ", | |
| 1523 argv[i]); | |
| 1524 } | |
| 1525 if (len >= BUF_SIZE) | |
| 1526 quit(gettext("Internal Error"), EINVAL); | |
| 1527 file_line[len - 1] = '\n'; | |
| 1528 if (fseek(fp, 0, SEEK_END) != 0 || | |
| 1529 fputs(file_line, fp) == EOF) { | |
| 1530 quit(gettext("failed to write to route file"), | |
| 1531 errno); | |
| 1532 } | |
| 1533 } | |
| 1534 | |
| 1535 boolean_t | |
| 1536 compare_rtcmd(rtcmd_irep_t *srch_rt, rtcmd_irep_t *file_rt) | |
| 1537 { | |
| 1538 if (strcmp(srch_rt->ri_dest_str, file_rt->ri_dest_str) != 0 || | |
| 1539 memcmp(&srch_rt->ri_mask, &file_rt->ri_mask, sizeof (su_t)) != 0) { | |
| 1540 return (B_FALSE); | |
| 1541 } | |
| 1542 return (srch_rt->ri_gate_str == NULL || | |
| 1543 strcmp(srch_rt->ri_gate_str, file_rt->ri_gate_str) == 0); | |
| 1544 } | |
| 1545 | |
| 1546 /* | |
| 1547 * Search the route file for routes matching the supplied route. There are 3 | |
| 1548 * modes of operation: | |
| 1549 * SEARCH_MODE_RET - no side effects. | |
| 1550 * SEARCH_MODE_PRINT - prints each matching line. | |
| 1551 * SEARCH_MODE_DEL - copies all valid, non-matching lines to tmp_fp. | |
| 1552 * | |
| 1553 * In all cases, the number of matches is returned. If rt is NULL, all routes | |
| 1554 * matching the global af value are considered matching. | |
| 1555 */ | |
| 1556 int | |
| 1557 search_rtfile(FILE *fp, FILE *temp_fp, rtcmd_irep_t *rt, search_mode_t mode) | |
| 1558 { | |
| 1559 char *tmp_buf; | |
| 1560 int match_cnt; | |
| 1561 boolean_t match; | |
| 1562 char file_line[BUF_SIZE + 4] = "add "; | |
| 1563 rtcmd_irep_t *thisrt; | |
| 1564 | |
| 1565 match_cnt = 0; | |
| 1566 | |
| 1567 /* | |
| 1568 * Leave space at the beginning of file_line for "add ". | |
| 1569 */ | |
| 1570 while (fgets(file_line + 4, BUF_SIZE, fp) != NULL) { | |
| 1571 | |
| 1572 if (file_line[4] == '#' || file_line[4] == '\n') { | |
| 1573 /* Handle comments and blank lines */ | |
| 1574 if (mode == SEARCH_MODE_DEL && | |
| 1575 fputs(file_line + 4, temp_fp) == EOF) { | |
| 1576 quit(gettext( | |
| 1577 "route: failed to write to temp file"), | |
| 1578 errno); | |
| 1579 } | |
| 1580 continue; | |
| 1581 } | |
| 1582 thisrt = new_rtcmd_irep(); | |
| 1583 /* | |
| 1584 * thisrt->ri_af defaults to whatever address family happens | |
| 1585 * to be set in the global af, but routes in the persistent | |
| 1586 * route file must be treated as AF_INET by default. | |
| 1587 */ | |
| 1588 thisrt->ri_af = AF_INET; | |
| 1589 | |
| 1590 exit_on_error = B_FALSE; | |
| 1591 tmp_buf = strdup(file_line); | |
| 1592 /* args_to_rtcmd() will mangle the string passed. */ | |
| 1593 if (!args_to_rtcmd(thisrt, NULL, tmp_buf)) { | |
| 1594 /* There was an error in args_to_rtcmd() or helpers */ | |
| 1595 del_rtcmd_irep(thisrt); | |
| 1596 free(tmp_buf); | |
| 1597 continue; | |
| 1598 } | |
| 1599 exit_on_error = B_TRUE; | |
| 1600 free(tmp_buf); | |
| 1601 | |
| 1602 if (thisrt->ri_gate_str == NULL) { | |
| 1603 del_rtcmd_irep(thisrt); | |
| 1604 continue; | |
| 1605 } | |
| 1606 match = (rt == NULL) ? (thisrt->ri_af == af) : | |
| 1607 compare_rtcmd(rt, thisrt); | |
| 1608 | |
| 1609 if (match) match_cnt++; | |
| 1610 if (match && mode == SEARCH_MODE_PRINT) { | |
| 1611 (void) printf("persistent: route %s", file_line); | |
| 1612 } | |
| 1613 if (match && mode == SEARCH_MODE_DEL) { | |
| 1614 thisrt->ri_cmd = RTM_DELETE; | |
| 1615 print_rtcmd_short(stdout, thisrt, B_FALSE, B_TRUE); | |
| 1616 (void) printf("\n"); | |
| 1617 } | |
| 1618 del_rtcmd_irep(thisrt); | |
| 1619 | |
| 1620 if (!match && mode == SEARCH_MODE_DEL && | |
| 1621 fputs(file_line + 4, temp_fp) == EOF) { | |
| 1622 quit(gettext("failed to write to temp file"), | |
| 1623 errno); | |
| 1624 } | |
| 1625 } | |
| 1626 return (match_cnt); | |
| 1627 } | |
| 1628 | |
| 1629 /* | |
| 1630 * Perform the route operation given in argv on the persistent route file. | |
| 1631 * If do_flush is set, the persistent route file is flushed of all routes | |
| 1632 * matching the global family, and the arguments are ignored. | |
| 1633 */ | |
| 1634 void | |
| 1635 save_route(int argc, char **argv, int do_flush) | |
| 1636 { | |
| 1637 rtcmd_irep_t *rt; | |
| 1638 int perm_fd; | |
| 1639 FILE *perm_fp; | |
| 1640 FILE *temp_fp; | |
| 1641 mode_t fmode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH; | |
| 1642 struct flock lock; | |
| 1643 struct stat st; | |
| 1644 const char commentstr[] = | |
| 1645 "# File generated by route(1M) - do not edit.\n"; | |
| 1646 | |
| 1647 perm_fd = open(perm_file, O_RDWR | O_CREAT, fmode); | |
| 1648 if (perm_fd == -1 || fstat(perm_fd, &st) == -1) | |
| 1649 quit("failed to open route file", errno); | |
| 1650 | |
| 1651 lock.l_type = F_WRLCK; | |
| 1652 lock.l_whence = SEEK_SET; | |
| 1653 lock.l_start = 0; | |
| 1654 lock.l_len = 0; | |
| 1655 if (fcntl(perm_fd, F_SETLK, &lock) != 0) { | |
| 1656 quit(gettext("failed to lock route file"), errno); | |
| 1657 /* NOTREACHED */ | |
| 1658 } | |
| 1659 if (st.st_size == 0 && | |
| 1660 write(perm_fd, commentstr, sizeof (commentstr) - 1) != | |
| 1661 sizeof (commentstr) - 1) | |
| 1662 quit(gettext("failed to open route file"), errno); | |
| 1663 | |
| 1664 if ((perm_fp = fdopen(perm_fd, "r+")) == NULL) { | |
| 1665 quit(gettext("failed to open route file"), errno); | |
| 1666 /* NOTREACHED */ | |
| 1667 } | |
| 1668 | |
| 1669 if (!do_flush) { | |
| 1670 rt = new_rtcmd_irep(); | |
| 1671 (void) args_to_rtcmd(rt, argv, NULL); | |
| 1672 } | |
| 1673 if (do_flush || rt->ri_cmd == RTM_DELETE) { | |
| 1674 if ((temp_fp = fopen(temp_file, "w")) == NULL) { | |
| 1675 quit(gettext("failed to open temp file"), errno); | |
| 1676 /* NOTREACHED */ | |
| 1677 } | |
| 1678 } | |
| 1679 if (do_flush) { | |
| 1680 (void) search_rtfile(perm_fp, temp_fp, NULL, SEARCH_MODE_DEL); | |
| 1681 if (fclose(temp_fp) != 0 || rename(temp_file, perm_file) != 0) { | |
| 1682 quit(gettext("failed to update route file"), errno); | |
| 1683 /* NOTREACHED */ | |
| 1684 } | |
| 1685 (void) fclose(perm_fp); | |
| 1686 return; | |
| 1687 } | |
| 1688 | |
| 1689 switch (rt->ri_cmd) { | |
| 1690 case RTM_ADD: | |
| 1691 if (search_rtfile(perm_fp, NULL, rt, SEARCH_MODE_NULL) > 0) { | |
| 1692 /* Route is already in the file */ | |
| 1693 print_rtcmd_short(stderr, rt, B_FALSE, B_TRUE); | |
| 1694 (void) fprintf(stderr, ": entry exists\n"); | |
| 1695 exit(1); | |
| 1696 } | |
| 1697 write_to_rtfile(perm_fp, argc - 1, argv + 1); | |
| 1698 print_rtcmd_short(stdout, rt, B_FALSE, B_TRUE); | |
| 1699 (void) printf("\n"); | |
| 1700 break; | |
| 1701 | |
| 1702 case RTM_CHANGE: | |
| 1703 syntax_error( | |
| 1704 gettext("route: change command not supported with -p\n")); | |
| 1705 /* NOTREACHED */ | |
| 1706 | |
| 1707 case RTM_DELETE: | |
| 1708 if (search_rtfile(perm_fp, temp_fp, rt, SEARCH_MODE_DEL) <= 0) { | |
| 1709 /* Route not found */ | |
| 1710 print_rtcmd_short(stderr, rt, B_FALSE, B_TRUE); | |
| 1711 (void) fprintf(stderr, gettext(": not in file\n")); | |
| 1712 exit(1); | |
| 1713 } | |
| 1714 if (fclose(temp_fp) != 0 || rename(temp_file, perm_file) != 0) { | |
| 1715 quit(gettext("failed to update route file"), errno); | |
| 1716 /* NOTREACHED */ | |
| 1717 } | |
| 1718 break; | |
| 1719 | |
| 1720 case RTM_GET: | |
| 1721 if (search_rtfile(perm_fp, temp_fp, rt, SEARCH_MODE_PRINT) <= | |
| 1722 0) { | |
| 1723 print_rtcmd_short(stdout, rt, B_FALSE, B_TRUE); | |
| 1724 (void) printf(gettext(": not in file\n")); | |
| 1725 } | |
| 1726 break; | |
| 1727 | |
| 1728 default: | |
| 1729 quit(gettext("Internal Error"), EINVAL); | |
| 1730 /* NOTREACHED */ | |
| 1731 } | |
| 1732 | |
| 1733 /* | |
| 1734 * Closing the file unlocks it. | |
| 1735 */ | |
| 1736 (void) fclose(perm_fp); | |
| 1737 } | |
| 1738 | |
| 1739 int | |
| 1740 show_saved_routes(int argc) | |
| 1741 { | |
| 1742 int perm_fd; | |
| 1743 FILE *perm_fp; | |
| 1744 struct flock lock; | |
| 1745 int count = 0; | |
| 1746 | |
| 1747 if (argc != 1) { | |
| 1748 syntax_error(gettext("route: invalid arguments for show\n")); | |
| 1749 } | |
| 1750 | |
| 1751 perm_fd = open(perm_file, O_RDONLY, 0); | |
| 1752 | |
| 1753 if (perm_fd == -1) { | |
| 1754 if (errno == ENOENT) { | |
| 1755 (void) printf("No persistent routes are defined\n"); | |
| 1756 return (0); | |
| 1757 } else { | |
| 1758 quit(gettext("failed to open route file"), errno); | |
| 1759 } | |
| 1760 } | |
| 1761 lock.l_type = F_RDLCK; | |
| 1762 lock.l_whence = SEEK_SET; | |
| 1763 lock.l_start = 0; | |
| 1764 lock.l_len = 0; | |
| 1765 if (fcntl(perm_fd, F_SETLK, &lock) != 0) { | |
| 1766 quit(gettext("failed to lock route file"), | |
| 1767 errno); | |
| 1768 /* NOTREACHED */ | |
| 1769 } | |
| 1770 if ((perm_fp = fdopen(perm_fd, "r")) == NULL) { | |
| 1771 quit(gettext("failed to open route file"), errno); | |
| 1772 /* NOTREACHED */ | |
| 1773 } | |
| 1774 count += search_rtfile(perm_fp, NULL, NULL, SEARCH_MODE_PRINT); | |
| 1775 (void) fseek(perm_fp, 0, SEEK_SET); | |
| 1776 af = AF_INET6; | |
| 1777 count += search_rtfile(perm_fp, NULL, NULL, SEARCH_MODE_PRINT); | |
| 1778 | |
| 1779 if (count == 0) | |
| 1780 (void) printf("No persistent routes are defined\n"); | |
| 1781 | |
| 1782 (void) fclose(perm_fp); | |
| 1783 return (0); | |
| 1784 } | |
| 1785 | |
| 1786 int | |
| 1787 newroute(char **argv) | |
| 1788 { | |
| 1789 rtcmd_irep_t *newrt; | |
| 1790 int ret, attempts, oerrno; | |
| 1791 char *err; | |
| 1792 char obuf[INET6_ADDRSTRLEN]; | |
| 1793 #define hp (newrt->ri_gate_hp) | |
| 1794 | |
| 1795 newrt = new_rtcmd_irep(); | |
| 1796 (void) args_to_rtcmd(newrt, argv, NULL); | |
| 1797 | |
| 1798 if (newrt->ri_cmd != RTM_GET && !tflag) { | |
| 1799 /* Don't want to read back our messages */ | |
| 1800 (void) shutdown(s, 0); | |
| 1801 } | |
| 1802 if (newrt->ri_addrs & RTA_IFP) { | |
| 1803 newrt->ri_ifp.sdl.sdl_index = if_nametoindex(newrt->ri_ifp_str); | |
| 1804 if (newrt->ri_ifp.sdl.sdl_index == 0) { | |
| 1805 if (errno != ENXIO) { | |
| 1806 quit("if_nametoindex", errno); | |
| 1807 } else { | |
| 1808 (void) fprintf(stderr, | |
| 1809 gettext("route: %s: no such interface\n"), | |
| 1810 newrt->ri_ifp_str); | |
| 1811 exit(1); | |
| 1812 } | |
| 1813 } | |
| 1814 newrt->ri_ifp.sdl.sdl_family = AF_LINK; | |
| 1815 } | |
| 1816 for (attempts = 1; ; attempts++) { | |
| 1817 errno = 0; | |
| 1818 if ((ret = rtmsg(newrt)) == 0) | |
| 1819 break; | |
| 1820 if (errno != ENETUNREACH && errno != ESRCH) | |
| 1821 break; | |
| 1822 if ((newrt->ri_addrs & RTA_GATEWAY) && hp != NULL && | |
| 1823 hp->h_addr_list[attempts] != NULL) { | |
| 1824 switch (af) { | |
| 1825 case AF_INET: | |
| 1826 (void) memmove(&newrt->ri_gate.sin.sin_addr, | |
| 1827 hp->h_addr_list[attempts], hp->h_length); | |
| 1828 continue; | |
| 1829 case AF_INET6: | |
| 1830 (void) memmove(&newrt->ri_gate.sin6.sin6_addr, | |
| 1831 hp->h_addr_list[attempts], hp->h_length); | |
| 1832 continue; | |
| 1833 } | |
| 1834 } | |
| 1835 break; | |
| 1836 } | |
| 1837 oerrno = errno; | |
| 1838 | |
| 1839 if (newrt->ri_cmd != RTM_GET) { | |
| 1840 print_rtcmd_short(stdout, newrt, (ret == 0), B_FALSE); | |
| 1841 if (ret == 0) | |
| 1842 (void) printf("\n"); | |
| 1843 } else if (ret != 0) { | |
| 1844 /* | |
| 1845 * Note: there is nothing additional to print for get | |
| 1846 * if ret == 0. | |
| 1847 */ | |
| 1848 if (nflag) { | |
| 1849 switch (newrt->ri_af) { | |
| 1850 case AF_INET: | |
| 1851 (void) printf(" %s", | |
| 1852 inet_ntoa(newrt->ri_dst.sin.sin_addr)); | |
| 1853 break; | |
| 1854 case AF_INET6: | |
| 1855 if (inet_ntop(AF_INET6, | |
| 1856 (void *)&newrt->ri_dst.sin6.sin6_addr, | |
| 1857 obuf, INET6_ADDRSTRLEN) != NULL) { | |
| 1858 (void) printf(" %s", obuf); | |
| 1859 break; | |
| 1860 } | |
| 1861 /* FALLTHROUGH */ | |
| 1862 default: | |
| 1863 (void) printf("%s", newrt->ri_dest_str); | |
| 1864 break; | |
| 1865 } | |
| 1866 } else { | |
| 1867 (void) printf("%s", newrt->ri_dest_str); | |
| 1868 } | |
| 1869 } | |
| 1870 | |
| 1871 if (ret != 0) { | |
| 1872 switch (oerrno) { | |
| 1873 case ESRCH: | |
| 1874 err = "not in table"; | |
| 1875 break; | |
| 1876 case EBUSY: | |
| 1877 err = "entry in use"; | |
| 1878 break; | |
| 1879 case ENOBUFS: | |
| 1880 err = "routing table overflow"; | |
| 1881 break; | |
| 1882 case EEXIST: | |
| 1883 err = "entry exists"; | |
| 1884 break; | |
| 1885 case EPERM: | |
| 1886 err = "insufficient privileges"; | |
| 1887 break; | |
| 1888 default: | |
| 1889 err = strerror(oerrno); | |
| 1890 break; | |
| 1891 } | |
| 1892 (void) printf(": %s\n", err); | |
| 1893 } | |
| 1894 | |
| 1895 del_rtcmd_irep(newrt); | |
| 1896 | |
| 1897 return (oerrno); | |
| 1898 #undef hp | |
| 1899 } | |
| 1900 | |
| 1901 | |
| 1902 /* | |
| 1903 * Convert a network number to the corresponding IP address. | |
| 1904 * If the RTA_NETMASK hasn't been specified yet set it based | |
| 1905 * on the class of address. | |
| 1906 */ | |
| 1907 static void | |
| 1908 inet_makenetandmask(rtcmd_irep_t *rcip, in_addr_t net, struct sockaddr_in *sin) | |
| 1909 { | |
| 1910 in_addr_t addr, mask; | |
| 1911 | |
| 1912 if (net == 0) { | |
| 1913 mask = addr = 0; | |
| 1914 } else if (net < 128) { | |
| 1915 addr = net << IN_CLASSA_NSHIFT; | |
| 1916 mask = IN_CLASSA_NET; | |
| 1917 } else if (net < 65536) { | |
| 1918 addr = net << IN_CLASSB_NSHIFT; | |
| 1919 mask = IN_CLASSB_NET; | |
| 1920 } else if (net < 16777216L) { | |
| 1921 addr = net << IN_CLASSC_NSHIFT; | |
| 1922 mask = IN_CLASSC_NET; | |
| 1923 } else { | |
| 1924 addr = net; | |
| 1925 if ((addr & IN_CLASSA_HOST) == 0) | |
| 1926 mask = IN_CLASSA_NET; | |
| 1927 else if ((addr & IN_CLASSB_HOST) == 0) | |
| 1928 mask = IN_CLASSB_NET; | |
| 1929 else if ((addr & IN_CLASSC_HOST) == 0) | |
| 1930 mask = IN_CLASSC_NET; | |
| 1931 else { | |
| 1932 if (IN_CLASSA(addr)) | |
| 1933 mask = IN_CLASSA_NET; | |
| 1934 else if (IN_CLASSB(addr)) | |
| 1935 mask = IN_CLASSB_NET; | |
| 1936 else if (IN_CLASSC(addr)) | |
| 1937 mask = IN_CLASSC_NET; | |
| 1938 else | |
| 1939 mask = IP_HOST_MASK; | |
| 1940 mask = inet_makesubnetmask(addr, mask); | |
| 1941 } | |
| 1942 } | |
| 1943 sin->sin_addr.s_addr = htonl(addr); | |
| 1944 | |
| 1945 /* Class E default mask is 32 */ | |
| 1946 if (IN_CLASSE(addr)) | |
| 1947 mask = IN_CLASSE_NET; | |
| 1948 | |
| 1949 if (!(rcip->ri_addrs & RTA_NETMASK)) { | |
| 1950 rcip->ri_addrs |= RTA_NETMASK; | |
| 1951 sin = &rcip->ri_mask.sin; | |
| 1952 sin->sin_addr.s_addr = htonl(mask); | |
| 1953 sin->sin_family = AF_INET; | |
| 1954 } | |
| 1955 } | |
| 1956 | |
| 1957 static in_addr_t | |
| 1958 inet_makesubnetmask(in_addr_t addr, in_addr_t mask) | |
| 1959 { | |
| 1960 int n; | |
| 1961 struct ifconf ifc; | |
| 1962 struct ifreq ifreq; | |
| 1963 struct ifreq *ifr; | |
| 1964 struct sockaddr_in *sin; | |
| 1965 char *buf; | |
| 1966 int numifs; | |
| 1967 size_t bufsize; | |
| 1968 int iosoc; | |
| 1969 in_addr_t if_addr, if_mask; | |
| 1970 in_addr_t if_subnetmask = 0; | |
| 1971 short if_flags; | |
| 1972 | |
| 1973 if (mask == 0) | |
| 1974 return (0); | |
| 1975 if ((iosoc = socket(AF_INET, SOCK_DGRAM, 0)) < 0) | |
| 1976 quit("socket", errno); | |
| 1977 if (ioctl(iosoc, SIOCGIFNUM, (char *)&numifs) < 0) | |
| 1978 quit("ioctl", errno); | |
| 1979 bufsize = numifs * sizeof (struct ifreq); | |
| 1980 buf = malloc(bufsize); | |
| 1981 if (buf == NULL) | |
| 1982 quit("malloc", errno); | |
| 1983 (void) memset(&ifc, 0, sizeof (ifc)); | |
| 1984 ifc.ifc_len = bufsize; | |
| 1985 ifc.ifc_buf = buf; | |
| 1986 if (ioctl(iosoc, SIOCGIFCONF, (char *)&ifc) < 0) | |
| 1987 quit("ioctl (get interface configuration)", errno); | |
| 1988 /* Let's check to see if this is maybe a local subnet route. */ | |
| 1989 ifr = ifc.ifc_req; | |
| 1990 for (n = ifc.ifc_len / sizeof (struct ifreq); n > 0; n--, ifr++) { | |
| 1991 ifreq = *ifr; | |
| 1992 /* LINTED */ | |
| 1993 sin = (struct sockaddr_in *)&ifr->ifr_addr; | |
| 1994 if_addr = ntohl(sin->sin_addr.s_addr); | |
| 1995 | |
| 1996 if (ioctl(iosoc, SIOCGIFFLAGS, (char *)&ifreq) < 0) | |
| 1997 quit("ioctl (get interface flags)", errno); | |
| 1998 if ((ifreq.ifr_flags & IFF_UP) == 0) | |
| 1999 continue; | |
| 2000 if_flags = ifreq.ifr_flags; | |
| 2001 | |
| 2002 if (ioctl(iosoc, SIOCGIFNETMASK, (char *)&ifreq) < 0) | |
| 2003 quit("ioctl (get netmask)", errno); | |
| 2004 /* LINTED */ | |
| 2005 sin = (struct sockaddr_in *)&ifreq.ifr_addr; | |
| 2006 if_mask = ntohl(sin->sin_addr.s_addr); | |
| 2007 if ((if_addr & mask) == (addr & mask)) { | |
| 2008 /* | |
| 2009 * Don't trust pt-pt interfaces if there are | |
| 2010 * other interfaces. | |
| 2011 */ | |
| 2012 if (if_flags & IFF_POINTOPOINT) { | |
| 2013 if_subnetmask = if_mask; | |
| 2014 continue; | |
| 2015 } | |
| 2016 /* | |
| 2017 * Fine. Just assume the same net mask as the | |
| 2018 * directly attached subnet interface is using. | |
| 2019 */ | |
| 2020 return (if_mask); | |
| 2021 } | |
| 2022 } | |
| 2023 if (if_subnetmask != 0) | |
| 2024 return (if_subnetmask); | |
| 2025 return (mask); | |
| 2026 } | |
| 2027 | |
| 2028 /* | |
| 2029 * Interpret an argument as a network address of some kind. | |
| 2030 * | |
| 2031 * If the address family is one looked up in getaddr() using one of the | |
| 2032 * getipnodebyX() functions (currently only AF_INET6), then callers should | |
| 2033 * freehostent() the returned "struct hostent" pointer if one was passed in. | |
| 2034 * | |
| 2035 * If exit_on_error is true, this function will cause route to exit on error by | |
| 2036 * calling syntax_error(). Otherwise, it returns B_TRUE on success or B_FALSE | |
| 2037 * on failure. | |
| 2038 */ | |
| 2039 static boolean_t | |
| 2040 getaddr(rtcmd_irep_t *rcip, int which, char *s, addr_type_t atype) | |
| 2041 { | |
| 2042 su_t *su; | |
| 2043 struct hostent **hpp; | |
| 2044 struct hostent *hp; | |
| 2045 int masklen; | |
| 2046 | |
| 2047 if (which == RTA_GATEWAY) { | |
| 2048 hpp = &(rcip->ri_gate_hp); | |
| 2049 } else { | |
| 2050 hpp = &hp; | |
| 2051 } | |
| 2052 *hpp = NULL; | |
| 2053 | |
| 2054 rcip->ri_addrs |= which; | |
| 2055 switch (which) { | |
| 2056 case RTA_DST: | |
| 2057 save_string(&rcip->ri_dest_str, s); | |
| 2058 su = &rcip->ri_dst; | |
| 2059 su->sa.sa_family = rcip->ri_af; | |
| 2060 break; | |
| 2061 case RTA_GATEWAY: | |
| 2062 save_string(&rcip->ri_gate_str, s); | |
| 2063 su = &rcip->ri_gate; | |
| 2064 su->sa.sa_family = rcip->ri_af; | |
| 2065 break; | |
| 2066 case RTA_NETMASK: | |
| 2067 su = &rcip->ri_mask; | |
| 2068 su->sa.sa_family = rcip->ri_af; | |
| 2069 break; | |
| 2070 case RTA_IFP: | |
| 2071 save_string(&rcip->ri_ifp_str, s); | |
| 2072 return (B_TRUE); | |
| 2073 /* | |
| 2074 * RTA_SRC has overloaded meaning. It can represent the | |
| 2075 * src address of incoming or outgoing packets. | |
| 2076 */ | |
| 2077 case RTA_IFA: | |
| 2078 su = &rcip->ri_ifa; | |
| 2079 su->sa.sa_family = rcip->ri_af; | |
| 2080 break; | |
| 2081 case RTA_SRC: | |
| 2082 su = &rcip->ri_src; | |
| 2083 su->sa.sa_family = rcip->ri_af; | |
| 2084 break; | |
| 2085 default: | |
| 2086 /* NOTREACHED */ | |
| 2087 quit(gettext("Internal Error"), EINVAL); | |
| 2088 /* NOTREACHED */ | |
| 2089 } | |
| 2090 if (strcmp(s, "default") == 0) { | |
| 2091 if (which == RTA_DST) { | |
| 2092 return (getaddr(rcip, RTA_NETMASK, s, ADDR_TYPE_NET)); | |
| 2093 } | |
| 2094 if (which == RTA_SRC) { | |
| 2095 return (B_TRUE); | |
| 2096 } | |
| 2097 return (B_TRUE); | |
| 2098 } | |
| 2099 switch (rcip->ri_af) { | |
| 2100 case AF_LINK: | |
| 2101 link_addr(s, &su->sdl); | |
| 2102 return (B_TRUE); | |
| 2103 case PF_ROUTE: | |
| 2104 sockaddr(s, &su->sa); | |
| 2105 return (B_TRUE); | |
| 2106 case AF_INET6: | |
| 2107 switch (which) { | |
| 2108 case RTA_DST: | |
| 2109 if (!in6_getaddr(s, &su->sin6, &masklen, hpp)) { | |
| 2110 return (B_FALSE); | |
| 2111 } | |
| 2112 if (masklen != NO_PREFIX) { | |
| 2113 (void) memset(&rcip->ri_mask.sin6.sin6_addr, 0, | |
| 2114 sizeof (rcip->ri_mask.sin6.sin6_addr)); | |
| 2115 if (!in_prefixlentomask(masklen, IPV6_ABITS, | |
| 2116 (uchar_t *)&rcip->ri_mask.sin6.sin6_addr)) { | |
| 2117 syntax_error(gettext( | |
| 2118 "route: bad prefix length: %d\n"), | |
| 2119 masklen); | |
| 2120 return (B_FALSE); | |
| 2121 } | |
| 2122 rcip->ri_mask.sin6.sin6_family = rcip->ri_af; | |
| 2123 rcip->ri_addrs |= RTA_NETMASK; | |
| 2124 } | |
| 2125 return (B_TRUE); | |
| 2126 case RTA_GATEWAY: | |
| 2127 case RTA_IFA: | |
| 2128 case RTA_SRC: | |
| 2129 return (in6_getaddr(s, &su->sin6, NULL, hpp)); | |
| 2130 case RTA_NETMASK: | |
| 2131 syntax_error( | |
| 2132 gettext("route: -netmask not supported for IPv6: " | |
| 2133 "use <prefix>/<prefix-length> instead\n")); | |
| 2134 return (B_FALSE); | |
| 2135 default: | |
| 2136 quit(gettext("Internal Error"), EINVAL); | |
| 2137 /* NOTREACHED */ | |
| 2138 } | |
| 2139 case AF_INET: | |
| 2140 switch (which) { | |
| 2141 case RTA_DST: | |
| 2142 if (!in_getaddr(s, &su->sin, &masklen, which, hpp, | |
| 2143 atype, rcip)) { | |
| 2144 return (B_FALSE); | |
| 2145 } | |
| 2146 if (masklen != NO_PREFIX) { | |
| 2147 (void) memset(&rcip->ri_mask.sin.sin_addr, 0, | |
| 2148 sizeof (rcip->ri_mask.sin.sin_addr)); | |
| 2149 if (!in_prefixlentomask(masklen, IP_ABITS, | |
| 2150 (uchar_t *)&rcip->ri_mask.sin.sin_addr)) { | |
| 2151 syntax_error(gettext( | |
| 2152 "route: bad prefix length: %d\n"), | |
| 2153 masklen); | |
| 2154 return (B_FALSE); | |
| 2155 } | |
| 2156 rcip->ri_mask.sin.sin_family = rcip->ri_af; | |
| 2157 rcip->ri_addrs |= RTA_NETMASK; | |
| 2158 } | |
| 2159 return (B_TRUE); | |
| 2160 case RTA_GATEWAY: | |
| 2161 case RTA_IFA: | |
| 2162 case RTA_NETMASK: | |
| 2163 case RTA_SRC: | |
| 2164 return (in_getaddr(s, &su->sin, NULL, which, hpp, atype, | |
| 2165 rcip)); | |
| 2166 default: | |
| 2167 quit(gettext("Internal Error"), EINVAL); | |
| 2168 /* NOTREACHED */ | |
| 2169 } | |
| 2170 default: | |
| 2171 quit(gettext("Internal Error"), EINVAL); | |
| 2172 /* NOTREACHED */ | |
| 2173 } | |
| 2174 return (B_TRUE); | |
| 2175 } | |
| 2176 | |
| 2177 /* | |
| 2178 * Interpret an argument as an IPv4 network address of some kind, | |
| 2179 * returning B_TRUE on success or B_FALSE on failure. | |
| 2180 * This function will cause an exit() on failure if exit_on_failure is set. | |
| 2181 * | |
| 2182 * Note that this tries host interpretation before network interpretation, | |
| 2183 * except when -net has been given and the destination address is being parsed. | |
| 2184 * | |
| 2185 * If the plenp argument is non-NULL, allow <addr>/<n> syntax and | |
| 2186 * pass out <n> in *plenp. | |
| 2187 * If <n> doesn't parse return BAD_ADDR as *plenp. | |
| 2188 * If no /<n> is present return NO_PREFIX as *plenp. | |
| 2189 */ | |
| 2190 static boolean_t | |
| 2191 in_getaddr(char *s, struct sockaddr_in *sin, int *plenp, int which, | |
| 2192 struct hostent **hpp, addr_type_t atype, rtcmd_irep_t *rcip) | |
| 2193 { | |
| 2194 struct hostent *hp; | |
| 2195 struct netent *np; | |
| 2196 in_addr_t val; | |
| 2197 char str[BUFSIZ]; | |
| 2198 | |
| 2199 (void) strlcpy(str, s, sizeof (str)); | |
| 2200 | |
| 2201 /* | |
| 2202 * If plenp is non-NULL, /<n> syntax for netmask is allowed. | |
| 2203 */ | |
| 2204 if (plenp != NULL) { | |
| 2205 char *cp; | |
| 2206 | |
| 2207 *plenp = in_getprefixlen(str, IP_ABITS); | |
| 2208 if (*plenp == BAD_ADDR) | |
| 2209 return (B_FALSE); | |
| 2210 cp = strchr(str, '/'); | |
| 2211 if (cp != NULL) | |
| 2212 *cp = '\0'; | |
| 2213 } else if (strchr(str, '/') != NULL) { | |
| 2214 syntax_error(gettext("route: %s: unexpected '/'\n"), str); | |
| 2215 return (B_FALSE); | |
| 2216 } | |
| 2217 | |
| 2218 (void) memset(sin, 0, sizeof (*sin)); | |
| 2219 sin->sin_family = AF_INET; | |
| 2220 | |
| 2221 /* | |
| 2222 * Handle 255.255.255.255 as a special case first. | |
| 2223 */ | |
| 2224 if (strcmp(str, "255.255.255.255") == 0) { | |
| 2225 sin->sin_addr.s_addr = INADDR_BROADCAST; | |
| 2226 return (B_TRUE); | |
| 2227 } | |
| 2228 | |
| 2229 val = inet_addr(str); | |
| 2230 if (val != (in_addr_t)-1) { | |
| 2231 /* Numeric address */ | |
| 2232 sin->sin_addr.s_addr = val; | |
| 2233 if (which == RTA_DST) { | |
| 2234 if (atype == ADDR_TYPE_NET || | |
| 2235 (atype == ADDR_TYPE_ANY && | |
| 2236 inet_lnaof(sin->sin_addr) == INADDR_ANY)) { | |
| 2237 /* This looks like a network address. */ | |
| 2238 inet_makenetandmask(rcip, ntohl(val), | |
| 2239 sin); | |
| 2240 } | |
| 2241 } | |
| 2242 return (B_TRUE); | |
| 2243 } | |
| 2244 /* Host or net name */ | |
| 2245 if (which != RTA_DST || atype != ADDR_TYPE_NET) { | |
| 2246 /* A host name is allowed. */ | |
| 2247 if ((hp = gethostbyname(str)) != NULL) { | |
| 2248 *hpp = hp; | |
| 2249 (void) memmove(&sin->sin_addr, hp->h_addr, | |
| 2250 hp->h_length); | |
| 2251 return (B_TRUE); | |
| 2252 } | |
| 2253 } | |
| 2254 if (atype != ADDR_TYPE_HOST) { | |
| 2255 /* A network name is allowed */ | |
| 2256 if ((np = getnetbyname(str)) != NULL && | |
| 2257 (val = np->n_net) != 0) { | |
| 2258 if (which == RTA_DST) { | |
| 2259 inet_makenetandmask(rcip, val, sin); | |
| 2260 } | |
| 2261 return (B_TRUE); | |
| 2262 } | |
| 2263 } | |
| 2264 syntax_error(gettext("%s: bad value\n"), s); | |
| 2265 return (B_FALSE); | |
| 2266 } | |
| 2267 | |
| 2268 /* | |
| 2269 * Interpret an argument as an IPv6 network address of some kind, | |
| 2270 * returning B_TRUE on success or B_FALSE on failure. | |
| 2271 * This function will cause an exit() on failure if exit_on_failure is set. | |
| 2272 * | |
| 2273 * If the last argument is non-NULL allow a <addr>/<n> syntax and | |
| 2274 * pass out <n> in *plenp. | |
| 2275 * If <n> doesn't parse return BAD_ADDR as *plenp. | |
| 2276 * If no /<n> is present return NO_PREFIX as *plenp. | |
| 2277 */ | |
| 2278 static boolean_t | |
| 2279 in6_getaddr(char *s, struct sockaddr_in6 *sin6, int *plenp, | |
| 2280 struct hostent **hpp) | |
| 2281 { | |
| 2282 struct hostent *hp; | |
| 2283 char str[BUFSIZ]; | |
| 2284 int error_num; | |
| 2285 | |
| 2286 (void) strlcpy(str, s, sizeof (str)); | |
| 2287 | |
| 2288 /* | |
| 2289 * If plenp is non-NULL, /<n> syntax for netmask is allowed. | |
| 2290 */ | |
| 2291 if (plenp != NULL) { | |
| 2292 char *cp; | |
| 2293 | |
| 2294 *plenp = in_getprefixlen(str, IPV6_ABITS); | |
| 2295 if (*plenp == BAD_ADDR) | |
| 2296 return (B_FALSE); | |
| 2297 cp = strchr(str, '/'); | |
| 2298 if (cp != NULL) | |
| 2299 *cp = '\0'; | |
| 2300 } else if (strchr(str, '/') != NULL) { | |
| 2301 syntax_error(gettext("route: %s: unexpected '/'\n"), str); | |
| 2302 return (B_FALSE); | |
| 2303 } | |
| 2304 | |
| 2305 (void) memset(sin6, 0, sizeof (struct sockaddr_in6)); | |
| 2306 sin6->sin6_family = AF_INET6; | |
| 2307 | |
| 2308 hp = getipnodebyname(str, AF_INET6, 0, &error_num); | |
| 2309 if (hp != NULL) { | |
| 2310 *hpp = hp; | |
| 2311 (void) memmove(&sin6->sin6_addr, hp->h_addr, hp->h_length); | |
| 2312 return (B_TRUE); | |
| 2313 } | |
| 2314 if (error_num == TRY_AGAIN) { | |
| 2315 /* | |
| 2316 * This isn't a problem if we aren't going to use the address | |
| 2317 * right away. | |
| 2318 */ | |
| 2319 if (!exit_on_error) { | |
| 2320 return (B_TRUE); | |
| 2321 } | |
| 2322 syntax_error(gettext("route: %s: bad address (try " | |
| 2323 "again later)\n"), s); | |
| 2324 return (B_FALSE); | |
| 2325 } | |
| 2326 syntax_error(gettext("route: %s: bad address\n"), s); | |
| 2327 return (B_FALSE); | |
| 2328 } | |
| 2329 | |
| 2330 /* | |
| 2331 * Parse <addr>/<n> syntax and return the integer n. | |
| 2332 * If <addr> is missing or <n> is not a valid integer, this function calls | |
| 2333 * syntax_error() and returns BAD_ADDR. | |
| 2334 * if n is not between 0 and max_plen inclusive, this functions calls | |
| 2335 * syntax_error() and returns BAD_ADDR. | |
| 2336 * If /<n> is not present, this function returns NO_PREFIX. | |
| 2337 * The string addr is not modified. | |
| 2338 */ | |
| 2339 int | |
| 2340 in_getprefixlen(char *addr, int max_plen) | |
| 2341 { | |
| 2342 int prefixlen; | |
| 2343 char *str, *end; | |
| 2344 | |
| 2345 str = strchr(addr, '/'); | |
| 2346 if (str == addr) { | |
| 2347 syntax_error(gettext("route: %s: unexpected '/'\n"), addr); | |
| 2348 return (BAD_ADDR); | |
| 2349 } | |
| 2350 if (str == NULL) | |
| 2351 return (NO_PREFIX); | |
| 2352 str++; | |
| 2353 | |
| 2354 errno = 0; | |
| 2355 prefixlen = strtoul(str, &end, 10); | |
| 2356 if (errno != 0 || str == end) { | |
| 2357 syntax_error(gettext("route: bad prefix length %s\n"), str); | |
| 2358 return (BAD_ADDR); | |
| 2359 } | |
| 2360 if (prefixlen > max_plen) { | |
| 2361 syntax_error(gettext("route: prefix length %s out of range\n"), | |
| 2362 str); | |
| 2363 return (BAD_ADDR); | |
| 2364 } | |
| 2365 return (prefixlen); | |
| 2366 } | |
| 2367 | |
| 2368 /* | |
| 2369 * Convert a prefix length to a mask. | |
| 2370 * Returns B_TRUE if ok. B_FALSE otherwise. | |
| 2371 * Assumes the mask array is zeroed by the caller. | |
| 2372 */ | |
| 2373 boolean_t | |
| 2374 in_prefixlentomask(int prefixlen, int maxlen, uchar_t *mask) | |
| 2375 { | |
| 2376 if (prefixlen < 0 || prefixlen > maxlen) | |
| 2377 return (B_FALSE); | |
| 2378 | |
| 2379 while (prefixlen > 0) { | |
| 2380 if (prefixlen >= 8) { | |
| 2381 *mask++ = 0xFF; | |
| 2382 prefixlen -= 8; | |
| 2383 continue; | |
| 2384 } | |
| 2385 *mask |= 1 << (8 - prefixlen); | |
| 2386 prefixlen--; | |
| 2387 } | |
| 2388 return (B_TRUE); | |
| 2389 } | |
| 2390 | |
| 2391 void | |
| 2392 rtmonitor(int argc, char *argv[]) | |
| 2393 { | |
| 2394 int n; | |
| 2395 intmax_t msg[2048 / sizeof (intmax_t)]; | |
| 2396 | |
| 2397 if (tflag) | |
| 2398 exit(0); | |
| 2399 verbose = B_TRUE; | |
| 2400 if (argc > 1) { | |
| 2401 argv++; | |
| 2402 if (argc == 2 && **argv == '-') { | |
| 2403 switch (keyword(*argv + 1)) { | |
| 2404 case K_INET: | |
| 2405 af = AF_INET; | |
| 2406 break; | |
| 2407 case K_LINK: | |
| 2408 af = AF_LINK; | |
| 2409 break; | |
| 2410 case K_INET6: | |
| 2411 af = AF_INET6; | |
| 2412 break; | |
| 2413 default: | |
| 2414 usage(*argv); | |
| 2415 /* NOTREACHED */ | |
| 2416 } | |
| 2417 } else { | |
| 2418 usage(*argv); | |
| 2419 } | |
| 2420 (void) close(s); | |
| 2421 s = socket(PF_ROUTE, SOCK_RAW, af); | |
| 2422 if (s < 0) | |
| 2423 quit("socket", errno); | |
| 2424 } | |
| 2425 for (;;) { | |
| 2426 n = read(s, msg, sizeof (msg)); | |
| 2427 if (n <= 0) | |
| 2428 quit("read", errno); | |
| 2429 (void) printf("got message of size %d\n", n); | |
| 2430 print_rtmsg((struct rt_msghdr *)msg, n); | |
| 2431 } | |
| 2432 } | |
| 2433 | |
| 2434 int | |
| 2435 rtmsg(rtcmd_irep_t *newrt) | |
| 2436 { | |
| 2437 static int seq; | |
| 2438 int rlen; | |
| 2439 char *cp = m_rtmsg.m_space; | |
| 2440 int l; | |
| 2441 | |
| 2442 errno = 0; | |
| 2443 (void) memset(&m_rtmsg, 0, sizeof (m_rtmsg)); | |
| 2444 | |
| 2445 if (newrt->ri_cmd == RTM_GET) { | |
| 2446 newrt->ri_ifp.sa.sa_family = AF_LINK; | |
| 2447 newrt->ri_addrs |= RTA_IFP; | |
| 2448 } | |
| 2449 | |
| 2450 #define rtm m_rtmsg.m_rtm | |
| 2451 rtm.rtm_type = newrt->ri_cmd; | |
| 2452 rtm.rtm_flags = newrt->ri_flags; | |
| 2453 rtm.rtm_version = RTM_VERSION; | |
| 2454 rtm.rtm_seq = ++seq; | |
| 2455 rtm.rtm_addrs = newrt->ri_addrs; | |
| 2456 rtm.rtm_rmx = newrt->ri_metrics; | |
| 2457 rtm.rtm_inits = newrt->ri_inits; | |
| 2458 | |
| 2459 #define NEXTADDR(w, u) \ | |
| 2460 if (newrt->ri_addrs & (w)) { \ | |
| 2461 l = ROUNDUP_LONG(salen(&u.sa)); \ | |
| 2462 (void) memmove(cp, &(u), l); \ | |
| 2463 cp += l; \ | |
| 2464 if (verbose) \ | |
| 2465 sodump(&(u), #u); \ | |
| 2466 } | |
| 2467 NEXTADDR(RTA_DST, newrt->ri_dst); | |
| 2468 NEXTADDR(RTA_GATEWAY, newrt->ri_gate); | |
| 2469 NEXTADDR(RTA_NETMASK, newrt->ri_mask); | |
| 2470 NEXTADDR(RTA_IFP, newrt->ri_ifp); | |
| 2471 NEXTADDR(RTA_IFA, newrt->ri_ifa); | |
| 2472 /* | |
| 2473 * RTA_SRC has overloaded meaning. It can represent the | |
| 2474 * src address of incoming or outgoing packets. | |
| 2475 */ | |
| 2476 NEXTADDR(RTA_SRC, newrt->ri_src); | |
| 2477 #undef NEXTADDR | |
| 2478 | |
| 2479 if (newrt->ri_rtsa_cnt > 0) { | |
| 2480 /* LINTED: aligned */ | |
| 2481 rtm_ext_t *rtm_ext = (rtm_ext_t *)cp; | |
| 2482 tsol_rtsecattr_t *rtsecattr; | |
| 2483 | |
| 2484 rtm_ext->rtmex_type = RTMEX_GATEWAY_SECATTR; | |
| 2485 rtm_ext->rtmex_len = TSOL_RTSECATTR_SIZE(1); | |
| 2486 | |
| 2487 rtsecattr = (tsol_rtsecattr_t *)(rtm_ext + 1); | |
| 2488 rtsecattr->rtsa_cnt = 1; | |
| 2489 | |
| 2490 bcopy(&newrt->ri_rtsa, rtsecattr->rtsa_attr, | |
| 2491 sizeof (newrt->ri_rtsa)); | |
| 2492 cp = (char *)(rtsecattr->rtsa_attr + 1); | |
| 2493 } | |
| 2494 | |
| 2495 rtm.rtm_msglen = l = cp - (char *)&m_rtmsg; | |
| 2496 | |
| 2497 if (verbose) | |
| 2498 print_rtmsg(&rtm, l); | |
| 2499 if (debugonly) | |
| 2500 return (0); | |
| 2501 if ((rlen = write(s, (char *)&m_rtmsg, l)) < 0) { | |
| 2502 switch (errno) { | |
| 2503 case ESRCH: | |
| 2504 case EBUSY: | |
| 2505 case ENOBUFS: | |
| 2506 case EEXIST: | |
| 2507 case ENETUNREACH: | |
| 2508 case EHOSTUNREACH: | |
| 2509 case EPERM: | |
| 2510 break; | |
| 2511 default: | |
| 2512 perror(gettext("writing to routing socket")); | |
| 2513 break; | |
| 2514 } | |
| 2515 return (-1); | |
| 2516 } else if (rlen < (int)rtm.rtm_msglen) { | |
| 2517 (void) fprintf(stderr, | |
| 2518 gettext("route: write to routing socket got only %d for " | |
| 2519 "len\n"), rlen); | |
| 2520 return (-1); | |
| 2521 } | |
| 2522 if (newrt->ri_cmd == RTM_GET) { | |
| 2523 do { | |
| 2524 l = read(s, (char *)&m_rtmsg, sizeof (m_rtmsg)); | |
| 2525 } while (l > 0 && (rtm.rtm_seq != seq || rtm.rtm_pid != pid)); | |
| 2526 if (l < 0) { | |
| 2527 (void) fprintf(stderr, | |
| 2528 gettext("route: read from routing socket: %s\n"), | |
| 2529 strerror(errno)); | |
| 2530 } else { | |
| 2531 print_getmsg(newrt, &rtm, l); | |
| 2532 } | |
| 2533 } | |
| 2534 #undef rtm | |
| 2535 return (0); | |
| 2536 } | |
| 2537 | |
| 2538 static char *msgtypes[] = { | |
| 2539 "", | |
| 2540 "RTM_ADD: Add Route", | |
| 2541 "RTM_DELETE: Delete Route", | |
| 2542 "RTM_CHANGE: Change Metrics or flags", | |
| 2543 "RTM_GET: Report Metrics", | |
| 2544 "RTM_LOSING: Kernel Suspects Partitioning", | |
| 2545 "RTM_REDIRECT: Told to use different route", | |
| 2546 "RTM_MISS: Lookup failed on this address", | |
| 2547 "RTM_LOCK: fix specified metrics", | |
| 2548 "RTM_OLDADD: caused by SIOCADDRT", | |
| 2549 "RTM_OLDDEL: caused by SIOCDELRT", | |
| 2550 "RTM_RESOLVE: Route created by cloning", | |
| 2551 "RTM_NEWADDR: address being added to iface", | |
| 2552 "RTM_DELADDR: address being removed from iface", | |
| 2553 "RTM_IFINFO: iface status change", | |
| 2554 0, | |
| 2555 }; | |
| 2556 | |
| 2557 #define NMSGTYPES (sizeof (msgtypes) / sizeof (msgtypes[0])) | |
| 2558 | |
| 2559 static char metricnames[] = | |
| 2560 "\011pksent\010rttvar\7rtt\6ssthresh\5sendpipe\4recvpipe\3expire\2hopcount" | |
| 2561 "\1mtu"; | |
| 2562 static char routeflags[] = | |
| 2563 "\1UP\2GATEWAY\3HOST\4REJECT\5DYNAMIC\6MODIFIED\7DONE\010MASK_PRESENT" | |
| 2564 "\011CLONING\012XRESOLVE\013LLINFO\014STATIC\015BLACKHOLE" | |
| 2565 "\016PRIVATE\017PROTO2\020PROTO1\021MULTIRT\022SETSRC"; | |
| 2566 static char ifnetflags[] = | |
| 2567 "\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5PTP\6NOTRAILERS\7RUNNING\010NOARP" | |
| 2568 "\011PPROMISC\012ALLMULTI\013INTELLIGENT\014MULTICAST" | |
| 2569 "\015MULTI_BCAST\016UNNUMBERED\017DHCP\020PRIVATE" | |
| 2570 "\021NOXMIT\022NOLOCAL\023DEPRECATED\024ADDRCONF" | |
| 2571 "\025ROUTER\026NONUD\027ANYCAST\030NORTEXCH\031IPv4\032IPv6" | |
| 2572 "\034NOFAILOVER\035FAILED\036STANDBY\037INACTIVE\040OFFLINE" | |
| 2573 "\041XRESOLV\042COS\043PREFERRED\044TEMPORARY\045FIXEDMTU\046VIRTUAL" | |
| 2574 "\047DUPLICATE"; | |
| 2575 static char addrnames[] = | |
| 2576 "\1DST\2GATEWAY\3NETMASK\4GENMASK\5IFP\6IFA\7AUTHOR\010BRD\011SRC"; | |
| 2577 | |
| 2578 void | |
| 2579 print_rtmsg(struct rt_msghdr *rtm, int msglen) | |
| 2580 { | |
| 2581 struct if_msghdr *ifm; | |
| 2582 struct ifa_msghdr *ifam; | |
| 2583 | |
| 2584 if (!verbose) | |
| 2585 return; | |
| 2586 if (rtm->rtm_version != RTM_VERSION) { | |
| 2587 (void) printf("routing message version %d not understood\n", | |
| 2588 rtm->rtm_version); | |
| 2589 return; | |
| 2590 } | |
| 2591 if (rtm->rtm_msglen != msglen) { | |
| 2592 (void) printf("message length mismatch, in packet %d, " | |
| 2593 "returned %d\n", | |
| 2594 rtm->rtm_msglen, msglen); | |
| 2595 if (msglen > rtm->rtm_msglen) | |
| 2596 msglen = rtm->rtm_msglen; | |
| 2597 } | |
| 2598 /* | |
| 2599 * Since rtm->rtm_type is unsigned, we'll just check the case of zero | |
| 2600 * and the upper-bound of (NMSGTYPES - 1). | |
| 2601 */ | |
| 2602 if (rtm->rtm_type == 0 || rtm->rtm_type >= (NMSGTYPES - 1)) { | |
| 2603 (void) printf("routing message type %d not understood\n", | |
| 2604 rtm->rtm_type); | |
| 2605 return; | |
| 2606 } | |
| 2607 (void) printf("%s: len %d, ", msgtypes[rtm->rtm_type], msglen); | |
| 2608 switch (rtm->rtm_type) { | |
| 2609 case RTM_IFINFO: | |
| 2610 ifm = (struct if_msghdr *)rtm; | |
| 2611 (void) printf("if# %d, flags:", ifm->ifm_index); | |
| 2612 bprintf(stdout, ifm->ifm_flags, ifnetflags); | |
| 2613 pmsg_addrs((const char *)(ifm + 1), msglen - sizeof (*ifm), | |
| 2614 ifm->ifm_addrs); | |
| 2615 break; | |
| 2616 case RTM_NEWADDR: | |
| 2617 case RTM_DELADDR: | |
| 2618 ifam = (struct ifa_msghdr *)rtm; | |
| 2619 (void) printf("metric %d, flags:", ifam->ifam_metric); | |
| 2620 bprintf(stdout, ifam->ifam_flags, routeflags); | |
| 2621 pmsg_addrs((const char *)(ifam + 1), msglen - sizeof (*ifam), | |
| 2622 ifam->ifam_addrs); | |
| 2623 break; | |
| 2624 default: | |
| 2625 (void) printf("pid: %ld, seq %d, errno %d, flags:", | |
| 2626 rtm->rtm_pid, rtm->rtm_seq, rtm->rtm_errno); | |
| 2627 bprintf(stdout, rtm->rtm_flags, routeflags); | |
| 2628 pmsg_common(rtm, msglen); | |
| 2629 break; | |
| 2630 } | |
| 2631 } | |
| 2632 | |
| 2633 void | |
| 2634 print_getmsg(rtcmd_irep_t *req_rt, struct rt_msghdr *rtm, int msglen) | |
| 2635 { | |
| 2636 struct sockaddr *dst = NULL, *gate = NULL, *mask = NULL, *src = NULL; | |
| 2637 struct sockaddr_dl *ifp = NULL; | |
| 2638 struct sockaddr *sa; | |
| 2639 char *cp; | |
| 2640 int i; | |
| 2641 | |
| 2642 (void) printf(" route to: %s\n", routename(&req_rt->ri_dst.sa)); | |
| 2643 if (rtm->rtm_version != RTM_VERSION) { | |
| 2644 (void) fprintf(stderr, | |
| 2645 gettext("routing message version %d not understood\n"), | |
| 2646 rtm->rtm_version); | |
| 2647 return; | |
| 2648 } | |
| 2649 if (rtm->rtm_msglen > (ushort_t)msglen) { | |
| 2650 (void) fprintf(stderr, | |
| 2651 gettext("message length mismatch, in packet %d, " | |
| 2652 "returned %d\n"), rtm->rtm_msglen, msglen); | |
| 2653 } | |
| 2654 if (rtm->rtm_errno) { | |
| 2655 (void) fprintf(stderr, "RTM_GET: %s (errno %d)\n", | |
| 2656 strerror(rtm->rtm_errno), rtm->rtm_errno); | |
| 2657 return; | |
| 2658 } | |
| 2659 cp = ((char *)(rtm + 1)); | |
| 2660 if (rtm->rtm_addrs != 0) { | |
| 2661 for (i = 1; i != 0; i <<= 1) { | |
| 2662 if (i & rtm->rtm_addrs) { | |
| 2663 /* LINTED */ | |
| 2664 sa = (struct sockaddr *)cp; | |
| 2665 switch (i) { | |
| 2666 case RTA_DST: | |
| 2667 dst = sa; | |
| 2668 break; | |
| 2669 case RTA_GATEWAY: | |
| 2670 gate = sa; | |
| 2671 break; | |
| 2672 case RTA_NETMASK: | |
| 2673 mask = sa; | |
| 2674 break; | |
| 2675 case RTA_IFP: | |
| 2676 if (sa->sa_family == AF_LINK && | |
| 2677 ((struct sockaddr_dl *)sa)-> | |
| 2678 sdl_nlen != 0) | |
| 2679 ifp = (struct sockaddr_dl *)sa; | |
| 2680 break; | |
| 2681 case RTA_SRC: | |
| 2682 src = sa; | |
| 2683 break; | |
| 2684 } | |
| 2685 ADVANCE(cp, sa); | |
| 2686 } | |
| 2687 } | |
| 2688 } | |
| 2689 if (dst != NULL && mask != NULL) | |
| 2690 mask->sa_family = dst->sa_family; /* XXX */ | |
| 2691 if (dst != NULL) | |
| 2692 (void) printf("destination: %s\n", routename(dst)); | |
| 2693 if (mask != NULL) { | |
| 2694 boolean_t savenflag = nflag; | |
| 2695 | |
| 2696 nflag = B_TRUE; | |
| 2697 (void) printf(" mask: %s\n", routename(mask)); | |
| 2698 nflag = savenflag; | |
| 2699 } | |
| 2700 if (gate != NULL && rtm->rtm_flags & RTF_GATEWAY) | |
| 2701 (void) printf(" gateway: %s\n", routename(gate)); | |
| 2702 if (src != NULL && rtm->rtm_flags & RTF_SETSRC) | |
| 2703 (void) printf(" setsrc: %s\n", routename(src)); | |
| 2704 if (ifp != NULL) { | |
| 2705 if (verbose) { | |
| 2706 int i; | |
| 2707 | |
| 2708 (void) printf(" interface: %.*s index %d address ", | |
| 2709 ifp->sdl_nlen, ifp->sdl_data, ifp->sdl_index); | |
| 2710 for (i = ifp->sdl_nlen; | |
| 2711 i < ifp->sdl_nlen + ifp->sdl_alen; | |
| 2712 i++) { | |
| 2713 (void) printf("%02x ", | |
| 2714 ifp->sdl_data[i] & 0xFF); | |
| 2715 } | |
| 2716 (void) printf("\n"); | |
| 2717 } else { | |
| 2718 (void) printf(" interface: %.*s\n", | |
| 2719 ifp->sdl_nlen, ifp->sdl_data); | |
| 2720 } | |
| 2721 } | |
| 2722 (void) printf(" flags: "); | |
| 2723 bprintf(stdout, rtm->rtm_flags, routeflags); | |
| 2724 | |
| 2725 #define lock(f) ((rtm->rtm_rmx.rmx_locks & RTV_ ## f) ? 'L' : ' ') | |
| 2726 #define msec(u) (((u) + 500) / 1000) /* usec to msec */ | |
| 2727 | |
| 2728 (void) printf("\n%s\n", " recvpipe sendpipe ssthresh rtt,ms " | |
| 2729 "rttvar,ms hopcount mtu expire"); | |
| 2730 (void) printf("%8d%c ", rtm->rtm_rmx.rmx_recvpipe, lock(RPIPE)); | |
| 2731 (void) printf("%8d%c ", rtm->rtm_rmx.rmx_sendpipe, lock(SPIPE)); | |
| 2732 (void) printf("%8d%c ", rtm->rtm_rmx.rmx_ssthresh, lock(SSTHRESH)); | |
| 2733 (void) printf("%8d%c ", msec(rtm->rtm_rmx.rmx_rtt), lock(RTT)); | |
| 2734 (void) printf("%8d%c ", msec(rtm->rtm_rmx.rmx_rttvar), lock(RTTVAR)); | |
| 2735 (void) printf("%8d%c ", rtm->rtm_rmx.rmx_hopcount, lock(HOPCOUNT)); | |
| 2736 (void) printf("%8d%c ", rtm->rtm_rmx.rmx_mtu, lock(MTU)); | |
| 2737 if (rtm->rtm_rmx.rmx_expire) | |
| 2738 rtm->rtm_rmx.rmx_expire -= time(0); | |
| 2739 (void) printf("%8d%c", rtm->rtm_rmx.rmx_expire, lock(EXPIRE)); | |
| 2740 #undef lock | |
| 2741 #undef msec | |
| 2742 #define RTA_IGN \ | |
| 2743 (RTA_DST|RTA_GATEWAY|RTA_NETMASK|RTA_IFP|RTA_IFA|RTA_BRD|RTA_SRC) | |
| 2744 if (verbose) { | |
| 2745 pmsg_common(rtm, msglen); | |
| 2746 } else { | |
| 2747 const char *sptr, *endptr; | |
| 2748 const struct sockaddr *sa; | |
| 2749 uint_t addrs; | |
| 2750 | |
| 2751 /* Not verbose; just print out the exceptional cases */ | |
| 2752 if (rtm->rtm_addrs &~ RTA_IGN) { | |
| 2753 (void) printf("\nsockaddrs: "); | |
| 2754 bprintf(stdout, rtm->rtm_addrs, addrnames); | |
| 2755 } | |
| 2756 sptr = (const char *)(rtm + 1); | |
| 2757 endptr = (const char *)rtm + msglen; | |
| 2758 addrs = rtm->rtm_addrs; | |
| 2759 while (addrs != 0 && sptr + sizeof (*sa) <= endptr) { | |
| 2760 addrs &= addrs - 1; | |
| 2761 /* LINTED */ | |
| 2762 sa = (const struct sockaddr *)sptr; | |
| 2763 ADVANCE(sptr, sa); | |
| 2764 } | |
| 2765 if (addrs == 0) | |
| 2766 pmsg_secattr(sptr, endptr - sptr, " secattr: "); | |
| 2767 (void) putchar('\n'); | |
| 2768 } | |
| 2769 #undef RTA_IGN | |
| 2770 } | |
| 2771 | |
| 2772 static void | |
| 2773 pmsg_common(const struct rt_msghdr *rtm, size_t msglen) | |
| 2774 { | |
| 2775 (void) printf("\nlocks: "); | |
| 2776 bprintf(stdout, (int)rtm->rtm_rmx.rmx_locks, metricnames); | |
| 2777 (void) printf(" inits: "); | |
| 2778 bprintf(stdout, (int)rtm->rtm_inits, metricnames); | |
| 2779 pmsg_addrs((const char *)(rtm + 1), msglen - sizeof (*rtm), | |
| 2780 rtm->rtm_addrs); | |
| 2781 } | |
| 2782 | |
| 2783 static void | |
| 2784 pmsg_addrs(const char *cp, size_t msglen, uint_t addrs) | |
| 2785 { | |
| 2786 const struct sockaddr *sa; | |
| 2787 const char *maxptr; | |
| 2788 int i; | |
| 2789 | |
| 2790 if (addrs != 0) { | |
| 2791 (void) printf("\nsockaddrs: "); | |
| 2792 bprintf(stdout, addrs, addrnames); | |
| 2793 (void) putchar('\n'); | |
| 2794 maxptr = cp + msglen; | |
| 2795 for (i = 1; i != 0 && cp + sizeof (*sa) <= maxptr; i <<= 1) { | |
| 2796 if (i & addrs) { | |
| 2797 /* LINTED */ | |
| 2798 sa = (const struct sockaddr *)cp; | |
| 2799 (void) printf(" %s", routename(sa)); | |
| 2800 ADVANCE(cp, sa); | |
| 2801 } | |
| 2802 } | |
| 2803 if (i != 0) | |
| 2804 msglen = 0; | |
| 2805 else | |
| 2806 msglen = maxptr - cp; | |
| 2807 } | |
| 2808 pmsg_secattr(cp, msglen, "secattr: "); | |
| 2809 (void) putchar('\n'); | |
| 2810 (void) fflush(stdout); | |
| 2811 } | |
| 2812 | |
| 2813 void | |
| 2814 bprintf(FILE *fp, int b, char *s) | |
| 2815 { | |
| 2816 int i; | |
| 2817 boolean_t gotsome = B_FALSE; | |
| 2818 | |
| 2819 if (b == 0) | |
| 2820 return; | |
| 2821 while ((i = *s++) != 0) { | |
| 2822 if (b & (1 << (i - 1))) { | |
| 2823 if (!gotsome) | |
| 2824 i = '<'; | |
| 2825 else | |
| 2826 i = ','; | |
| 2827 (void) putc(i, fp); | |
| 2828 gotsome = B_TRUE; | |
| 2829 for (; (i = *s) > ' '; s++) | |
| 2830 (void) putc(i, fp); | |
| 2831 } else { | |
| 2832 while (*s > ' ') | |
| 2833 s++; | |
| 2834 } | |
| 2835 } | |
| 2836 if (gotsome) | |
| 2837 (void) putc('>', fp); | |
| 2838 } | |
| 2839 | |
| 2840 int | |
| 2841 keyword(const char *cp) | |
| 2842 { | |
| 2843 struct keytab *kt = keywords; | |
| 2844 | |
| 2845 while (kt->kt_cp && strcmp(kt->kt_cp, cp)) | |
| 2846 kt++; | |
| 2847 return (kt->kt_i); | |
| 2848 } | |
| 2849 | |
| 2850 void | |
| 2851 sodump(su_t *su, char *which) | |
| 2852 { | |
| 2853 static char obuf[INET6_ADDRSTRLEN]; | |
| 2854 | |
| 2855 switch (su->sa.sa_family) { | |
| 2856 case AF_LINK: | |
| 2857 (void) printf("%s: link %s; ", | |
| 2858 which, link_ntoa(&su->sdl)); | |
| 2859 break; | |
| 2860 case AF_INET: | |
| 2861 (void) printf("%s: inet %s; ", | |
| 2862 which, inet_ntoa(su->sin.sin_addr)); | |
| 2863 break; | |
| 2864 case AF_INET6: | |
| 2865 if (inet_ntop(AF_INET6, (void *)&su->sin6.sin6_addr, obuf, | |
| 2866 INET6_ADDRSTRLEN) != NULL) { | |
| 2867 (void) printf("%s: inet6 %s; ", which, obuf); | |
| 2868 break; | |
| 2869 } | |
| 2870 /* FALLTHROUGH */ | |
| 2871 default: | |
| 2872 quit(gettext("Internal Error"), EINVAL); | |
| 2873 /* NOTREACHED */ | |
| 2874 } | |
| 2875 (void) fflush(stdout); | |
| 2876 } | |
| 2877 | |
| 2878 /* States */ | |
| 2879 #define VIRGIN 0 | |
| 2880 #define GOTONE 1 | |
| 2881 #define GOTTWO 2 | |
| 2882 #define RESET 3 | |
| 2883 /* Inputs */ | |
| 2884 #define DIGIT (4*0) | |
| 2885 #define END (4*1) | |
| 2886 #define DELIM (4*2) | |
| 2887 #define LETTER (4*3) | |
| 2888 | |
| 2889 void | |
| 2890 sockaddr(char *addr, struct sockaddr *sa) | |
| 2891 { | |
| 2892 char *cp = (char *)sa; | |
| 2893 int size = salen(sa); | |
| 2894 char *cplim = cp + size; | |
| 2895 int byte = 0, state = VIRGIN, new; | |
| 2896 | |
| 2897 (void) memset(cp, 0, size); | |
| 2898 cp++; | |
| 2899 do { | |
| 2900 if ((*addr >= '0') && (*addr <= '9')) { | |
| 2901 new = *addr - '0'; | |
| 2902 } else if ((*addr >= 'a') && (*addr <= 'f')) { | |
| 2903 new = *addr - 'a' + 10; | |
| 2904 } else if ((*addr >= 'A') && (*addr <= 'F')) { | |
| 2905 new = *addr - 'A' + 10; | |
| 2906 } else if (*addr == 0) { | |
| 2907 state |= END; | |
| 2908 } else { | |
| 2909 state |= DELIM; | |
| 2910 } | |
| 2911 addr++; | |
| 2912 switch (state /* | INPUT */) { | |
| 2913 case GOTTWO | DIGIT: | |
| 2914 *cp++ = byte; | |
| 2915 /* FALLTHROUGH */ | |
| 2916 case VIRGIN | DIGIT: | |
| 2917 state = GOTONE; byte = new; continue; | |
| 2918 case GOTONE | DIGIT: | |
| 2919 state = GOTTWO; byte = new + (byte << 4); continue; | |
| 2920 default: /* | DELIM */ | |
| 2921 state = VIRGIN; *cp++ = byte; byte = 0; continue; | |
| 2922 case GOTONE | END: | |
| 2923 case GOTTWO | END: | |
| 2924 *cp++ = byte; | |
| 2925 /* FALLTHROUGH */ | |
| 2926 case VIRGIN | END: | |
| 2927 break; | |
| 2928 } | |
| 2929 break; | |
| 2930 } while (cp < cplim); | |
| 2931 } | |
| 2932 | |
| 2933 int | |
| 2934 salen(const struct sockaddr *sa) | |
| 2935 { | |
| 2936 switch (sa->sa_family) { | |
| 2937 case AF_INET: | |
| 2938 return (sizeof (struct sockaddr_in)); | |
| 2939 case AF_LINK: | |
| 2940 return (sizeof (struct sockaddr_dl)); | |
| 2941 case AF_INET6: | |
| 2942 return (sizeof (struct sockaddr_in6)); | |
| 2943 default: | |
| 2944 return (sizeof (struct sockaddr)); | |
| 2945 } | |
| 2946 } | |
| 2947 | |
| 2948 void | |
| 2949 link_addr(const char *addr, struct sockaddr_dl *sdl) | |
| 2950 { | |
| 2951 char *cp = sdl->sdl_data; | |
| 2952 char *cplim = sizeof (struct sockaddr_dl) + (char *)sdl; | |
| 2953 int byte = 0, state = VIRGIN, new; | |
| 2954 | |
| 2955 (void) memset(sdl, 0, sizeof (struct sockaddr_dl)); | |
| 2956 sdl->sdl_family = AF_LINK; | |
| 2957 do { | |
| 2958 state &= ~LETTER; | |
| 2959 if ((*addr >= '0') && (*addr <= '9')) { | |
| 2960 new = *addr - '0'; | |
| 2961 } else if ((*addr >= 'a') && (*addr <= 'f')) { | |
| 2962 new = *addr - 'a' + 10; | |
| 2963 } else if ((*addr >= 'A') && (*addr <= 'F')) { | |
| 2964 new = *addr - 'A' + 10; | |
| 2965 } else if (*addr == 0) { | |
| 2966 state |= END; | |
| 2967 } else if (state == VIRGIN && | |
| 2968 (((*addr >= 'A') && (*addr <= 'Z')) || | |
| 2969 ((*addr >= 'a') && (*addr <= 'z')))) { | |
| 2970 state |= LETTER; | |
| 2971 } else { | |
| 2972 state |= DELIM; | |
| 2973 } | |
| 2974 addr++; | |
| 2975 switch (state /* | INPUT */) { | |
| 2976 case VIRGIN | DIGIT: | |
| 2977 case VIRGIN | LETTER: | |
| 2978 *cp++ = addr[-1]; | |
| 2979 continue; | |
| 2980 case VIRGIN | DELIM: | |
| 2981 state = RESET; | |
| 2982 sdl->sdl_nlen = cp - sdl->sdl_data; | |
| 2983 continue; | |
| 2984 case GOTTWO | DIGIT: | |
| 2985 *cp++ = byte; | |
| 2986 /* FALLTHROUGH */ | |
| 2987 case RESET | DIGIT: | |
| 2988 state = GOTONE; | |
| 2989 byte = new; | |
| 2990 continue; | |
| 2991 case GOTONE | DIGIT: | |
| 2992 state = GOTTWO; | |
| 2993 byte = new + (byte << 4); | |
| 2994 continue; | |
| 2995 default: /* | DELIM */ | |
| 2996 state = RESET; | |
| 2997 *cp++ = byte; | |
| 2998 byte = 0; | |
| 2999 continue; | |
| 3000 case GOTONE | END: | |
| 3001 case GOTTWO | END: | |
| 3002 *cp++ = byte; | |
| 3003 /* FALLTHROUGH */ | |
| 3004 case RESET | END: | |
| 3005 break; | |
| 3006 } | |
| 3007 break; | |
| 3008 } while (cp < cplim); | |
| 3009 sdl->sdl_alen = cp - LLADDR(sdl); | |
| 3010 } | |
| 3011 | |
| 3012 static char hexlist[] = "0123456789abcdef"; | |
| 3013 | |
| 3014 char * | |
| 3015 link_ntoa(const struct sockaddr_dl *sdl) | |
| 3016 { | |
| 3017 static char obuf[64]; | |
| 3018 char *out = obuf; | |
| 3019 int i; | |
| 3020 uchar_t *in = (uchar_t *)LLADDR(sdl); | |
| 3021 uchar_t *inlim = in + sdl->sdl_alen; | |
| 3022 boolean_t firsttime = B_TRUE; | |
| 3023 | |
| 3024 if (sdl->sdl_nlen) { | |
| 3025 (void) memcpy(obuf, sdl->sdl_data, sdl->sdl_nlen); | |
| 3026 out += sdl->sdl_nlen; | |
| 3027 if (sdl->sdl_alen) | |
| 3028 *out++ = ':'; | |
| 3029 } | |
| 3030 while (in < inlim) { | |
| 3031 if (firsttime) | |
| 3032 firsttime = B_FALSE; | |
| 3033 else | |
| 3034 *out++ = '.'; | |
| 3035 i = *in++; | |
| 3036 if (i > 0xf) { | |
| 3037 out[1] = hexlist[i & 0xf]; | |
| 3038 i >>= 4; | |
| 3039 out[0] = hexlist[i]; | |
| 3040 out += 2; | |
| 3041 } else { | |
| 3042 *out++ = hexlist[i]; | |
| 3043 } | |
| 3044 } | |
| 3045 *out = 0; | |
| 3046 return (obuf); | |
| 3047 } | |
| 3048 | |
| 3049 static mib_item_t * | |
| 3050 mibget(int sd) | |
| 3051 { | |
| 3052 intmax_t buf[512 / sizeof (intmax_t)]; | |
| 3053 int flags; | |
| 3054 int i, j, getcode; | |
| 3055 struct strbuf ctlbuf, databuf; | |
| 3056 struct T_optmgmt_req *tor = (struct T_optmgmt_req *)buf; | |
| 3057 struct T_optmgmt_ack *toa = (struct T_optmgmt_ack *)buf; | |
| 3058 struct T_error_ack *tea = (struct T_error_ack *)buf; | |
| 3059 struct opthdr *req; | |
| 3060 mib_item_t *first_item = NULL; | |
| 3061 mib_item_t *last_item = NULL; | |
| 3062 mib_item_t *temp; | |
| 3063 | |
| 3064 tor->PRIM_type = T_SVR4_OPTMGMT_REQ; | |
| 3065 tor->OPT_offset = sizeof (struct T_optmgmt_req); | |
| 3066 tor->OPT_length = sizeof (struct opthdr); | |
| 3067 tor->MGMT_flags = T_CURRENT; | |
| 3068 req = (struct opthdr *)&tor[1]; | |
| 3069 req->level = MIB2_IP; /* any MIB2_xxx value ok here */ | |
| 3070 req->name = 0; | |
| 3071 req->len = 0; | |
| 3072 | |
| 3073 ctlbuf.buf = (char *)buf; | |
| 3074 ctlbuf.len = tor->OPT_length + tor->OPT_offset; | |
| 3075 flags = 0; | |
| 3076 if (putmsg(sd, &ctlbuf, NULL, flags) < 0) { | |
| 3077 perror("mibget: putmsg (ctl)"); | |
| 3078 return (NULL); | |
| 3079 } | |
| 3080 /* | |
| 3081 * each reply consists of a ctl part for one fixed structure | |
| 3082 * or table, as defined in mib2.h. The format is a T_OPTMGMT_ACK, | |
| 3083 * containing an opthdr structure. level/name identify the entry, | |
| 3084 * len is the size of the data part of the message. | |
| 3085 */ | |
| 3086 req = (struct opthdr *)&toa[1]; | |
| 3087 ctlbuf.maxlen = sizeof (buf); | |
| 3088 for (j = 1; ; j++) { | |
| 3089 flags = 0; | |
| 3090 getcode = getmsg(sd, &ctlbuf, NULL, &flags); | |
| 3091 if (getcode < 0) { | |
| 3092 perror("mibget: getmsg (ctl)"); | |
| 3093 if (verbose) { | |
| 3094 (void) fprintf(stderr, | |
| 3095 "# level name len\n"); | |
| 3096 i = 0; | |
| 3097 for (last_item = first_item; last_item != NULL; | |
| 3098 last_item = last_item->next_item) { | |
| 3099 (void) printf("%d %4ld %5ld %ld\n", | |
| 3100 ++i, last_item->group, | |
| 3101 last_item->mib_id, | |
| 3102 last_item->length); | |
| 3103 } | |
| 3104 } | |
| 3105 break; | |
| 3106 } | |
| 3107 if (getcode == 0 && | |
| 3108 ctlbuf.len >= sizeof (struct T_optmgmt_ack) && | |
| 3109 toa->PRIM_type == T_OPTMGMT_ACK && | |
| 3110 toa->MGMT_flags == T_SUCCESS && | |
| 3111 req->len == 0) { | |
| 3112 if (verbose) { | |
| 3113 (void) printf("mibget getmsg() %d returned EOD " | |
| 3114 "(level %lu, name %lu)\n", j, req->level, | |
| 3115 req->name); | |
| 3116 } | |
| 3117 return (first_item); /* this is EOD msg */ | |
| 3118 } | |
| 3119 | |
| 3120 if (ctlbuf.len >= sizeof (struct T_error_ack) && | |
| 3121 tea->PRIM_type == T_ERROR_ACK) { | |
| 3122 (void) fprintf(stderr, gettext("mibget %d gives " | |
| 3123 "T_ERROR_ACK: TLI_error = 0x%lx, UNIX_error = " | |
| 3124 "0x%lx\n"), j, tea->TLI_error, tea->UNIX_error); | |
| 3125 errno = (tea->TLI_error == TSYSERR) | |
| 3126 ? tea->UNIX_error : EPROTO; | |
| 3127 break; | |
| 3128 } | |
| 3129 | |
| 3130 if (getcode != MOREDATA || | |
| 3131 ctlbuf.len < sizeof (struct T_optmgmt_ack) || | |
| 3132 toa->PRIM_type != T_OPTMGMT_ACK || | |
| 3133 toa->MGMT_flags != T_SUCCESS) { | |
| 3134 (void) printf("mibget getmsg(ctl) %d returned %d, " | |
| 3135 "ctlbuf.len = %d, PRIM_type = %ld\n", | |
| 3136 j, getcode, ctlbuf.len, toa->PRIM_type); | |
| 3137 if (toa->PRIM_type == T_OPTMGMT_ACK) { | |
| 3138 (void) printf("T_OPTMGMT_ACK: " | |
| 3139 "MGMT_flags = 0x%lx, req->len = %ld\n", | |
| 3140 toa->MGMT_flags, req->len); | |
| 3141 } | |
| 3142 errno = ENOMSG; | |
| 3143 break; | |
| 3144 } | |
| 3145 | |
| 3146 temp = malloc(sizeof (mib_item_t)); | |
| 3147 if (temp == NULL) { | |
| 3148 perror("mibget: malloc"); | |
| 3149 break; | |
| 3150 } | |
| 3151 if (last_item != NULL) | |
| 3152 last_item->next_item = temp; | |
| 3153 else | |
| 3154 first_item = temp; | |
| 3155 last_item = temp; | |
| 3156 last_item->next_item = NULL; | |
| 3157 last_item->group = req->level; | |
| 3158 last_item->mib_id = req->name; | |
| 3159 last_item->length = req->len; | |
| 3160 last_item->valp = malloc(req->len); | |
| 3161 if (verbose) { | |
| 3162 (void) printf("msg %d: group = %4ld mib_id = %5ld " | |
| 3163 "length = %ld\n", | |
| 3164 j, last_item->group, last_item->mib_id, | |
| 3165 last_item->length); | |
| 3166 } | |
| 3167 | |
| 3168 databuf.maxlen = last_item->length; | |
| 3169 databuf.buf = (char *)last_item->valp; | |
| 3170 databuf.len = 0; | |
| 3171 flags = 0; | |
| 3172 getcode = getmsg(sd, NULL, &databuf, &flags); | |
| 3173 if (getcode < 0) { | |
| 3174 perror("mibget: getmsg (data)"); | |
| 3175 break; | |
| 3176 } else if (getcode != 0) { | |
| 3177 (void) printf("mibget getmsg(data) returned %d, " | |
| 3178 "databuf.maxlen = %d, databuf.len = %d\n", | |
| 3179 getcode, databuf.maxlen, databuf.len); | |
| 3180 break; | |
| 3181 } | |
| 3182 } | |
| 3183 | |
| 3184 /* | |
| 3185 * On error, free all the allocated mib_item_t objects. | |
| 3186 */ | |
| 3187 while (first_item != NULL) { | |
| 3188 last_item = first_item; | |
| 3189 first_item = first_item->next_item; | |
| 3190 free(last_item); | |
| 3191 } | |
| 3192 return (NULL); | |
| 3193 } | |
| 3194 | |
| 3195 /* | |
| 3196 * print label security attributes for gateways. | |
| 3197 */ | |
| 3198 static void | |
| 3199 pmsg_secattr(const char *sptr, size_t msglen, const char *labelstr) | |
| 3200 { | |
| 3201 rtm_ext_t rtm_ext; | |
| 3202 tsol_rtsecattr_t sp; | |
| 3203 struct rtsa_s *rtsa = &sp.rtsa_attr[0]; | |
| 3204 const char *endptr; | |
| 3205 char buf[256]; | |
| 3206 int i; | |
| 3207 | |
| 3208 if (!is_system_labeled()) | |
| 3209 return; | |
| 3210 | |
| 3211 endptr = sptr + msglen; | |
| 3212 | |
| 3213 for (;;) { | |
| 3214 if (sptr + sizeof (rtm_ext_t) + sizeof (sp) > endptr) | |
| 3215 return; | |
| 3216 | |
| 3217 bcopy(sptr, &rtm_ext, sizeof (rtm_ext)); | |
| 3218 sptr += sizeof (rtm_ext); | |
| 3219 if (rtm_ext.rtmex_type == RTMEX_GATEWAY_SECATTR) | |
| 3220 break; | |
| 3221 sptr += rtm_ext.rtmex_len; | |
| 3222 } | |
| 3223 | |
| 3224 /* bail if this entry is corrupt or overruns buffer length */ | |
| 3225 if (rtm_ext.rtmex_len < sizeof (sp) || | |
| 3226 sptr + rtm_ext.rtmex_len > endptr) | |
| 3227 return; | |
| 3228 | |
| 3229 /* run up just to the end of this extension */ | |
| 3230 endptr = sptr + rtm_ext.rtmex_len; | |
| 3231 | |
| 3232 bcopy(sptr, &sp, sizeof (sp)); | |
| 3233 sptr += sizeof (sp); | |
| 3234 | |
| 3235 if (sptr + (sp.rtsa_cnt - 1) * sizeof (*rtsa) != endptr) | |
| 3236 return; | |
| 3237 | |
| 3238 for (i = 0; i < sp.rtsa_cnt; i++) { | |
| 3239 if (i > 0) { | |
| 3240 /* first element is part of sp initalized above */ | |
| 3241 bcopy(sptr, rtsa, sizeof (*rtsa)); | |
| 3242 sptr += sizeof (*rtsa); | |
| 3243 } | |
| 3244 (void) printf("\n%s%s", labelstr, rtsa_to_str(rtsa, buf, | |
| 3245 sizeof (buf))); | |
| 3246 } | |
| 3247 } |