1 /* 2 * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved. 3 */ 4 /* 5 * Copyright (c) 1983 Regents of the University of California. 6 * All rights reserved. The Berkeley software License Agreement 7 * specifies the terms and conditions for redistribution. 8 */ 9 10 #include "defs.h" 11 #include "strings.h" 12 #include "ifconfig.h" 13 #include <compat.h> 14 #include <libdlpi.h> 15 #include <libdllink.h> 16 #include <libdliptun.h> 17 #include <libdllink.h> 18 #include <inet/ip.h> 19 #include <inet/ipsec_impl.h> 20 #include <libipadm.h> 21 #include <ifaddrs.h> 22 #include <libsocket_priv.h> 23 24 #define LOOPBACK_IF "lo0" 25 #define NONE_STR "none" 26 #define ARP_MOD_NAME "arp" 27 #define LIFC_DEFAULT (LIFC_NOXMIT | LIFC_TEMPORARY | LIFC_ALLZONES |\ 28 LIFC_UNDER_IPMP) 29 30 typedef struct if_flags { 31 uint64_t iff_value; 32 char *iff_name; 33 } if_flags_t; 34 35 static if_flags_t if_flags_tbl[] = { 36 { IFF_UP, "UP" }, 37 { IFF_BROADCAST, "BROADCAST" }, 38 { IFF_DEBUG, "DEBUG" }, 39 { IFF_LOOPBACK, "LOOPBACK" }, 40 { IFF_POINTOPOINT, "POINTOPOINT" }, 41 { IFF_NOTRAILERS, "NOTRAILERS" }, 42 { IFF_RUNNING, "RUNNING" }, 43 { IFF_NOARP, "NOARP" }, 44 { IFF_PROMISC, "PROMISC" }, 45 { IFF_ALLMULTI, "ALLMULTI" }, 46 { IFF_INTELLIGENT, "INTELLIGENT" }, 47 { IFF_MULTICAST, "MULTICAST" }, 48 { IFF_MULTI_BCAST, "MULTI_BCAST" }, 49 { IFF_UNNUMBERED, "UNNUMBERED" }, 50 { IFF_DHCPRUNNING, "DHCP" }, 51 { IFF_PRIVATE, "PRIVATE" }, 52 { IFF_NOXMIT, "NOXMIT" }, 53 { IFF_NOLOCAL, "NOLOCAL" }, 54 { IFF_DEPRECATED, "DEPRECATED" }, 55 { IFF_ADDRCONF, "ADDRCONF" }, 56 { IFF_ROUTER, "ROUTER" }, 57 { IFF_NONUD, "NONUD" }, 58 { IFF_ANYCAST, "ANYCAST" }, 59 { IFF_NORTEXCH, "NORTEXCH" }, 60 { IFF_IPV4, "IPv4" }, 61 { IFF_IPV6, "IPv6" }, 62 { IFF_NOFAILOVER, "NOFAILOVER" }, 63 { IFF_FAILED, "FAILED" }, 64 { IFF_STANDBY, "STANDBY" }, 65 { IFF_INACTIVE, "INACTIVE" }, 66 { IFF_OFFLINE, "OFFLINE" }, 67 { IFF_XRESOLV, "XRESOLV" }, 68 { IFF_COS_ENABLED, "CoS" }, 69 { IFF_PREFERRED, "PREFERRED" }, 70 { IFF_TEMPORARY, "TEMPORARY" }, 71 { IFF_FIXEDMTU, "FIXEDMTU" }, 72 { IFF_VIRTUAL, "VIRTUAL" }, 73 { IFF_DUPLICATE, "DUPLICATE" }, 74 { IFF_IPMP, "IPMP"}, 75 { IFF_VRRP, "VRRP"}, 76 { IFF_NOACCEPT, "NOACCEPT"} 77 }; 78 79 typedef struct { 80 const char *ia_app; 81 uint64_t ia_flag; 82 uint_t ia_tries; 83 } if_appflags_t; 84 85 static const if_appflags_t if_appflags_tbl[] = { 86 { "dhcpagent(1M)", IFF_DHCPRUNNING, 1 }, 87 { "in.ndpd(1M)", IFF_ADDRCONF, 3 }, 88 { NULL, 0, 0 } 89 }; 90 91 static dladm_handle_t dlh; 92 boolean_t dlh_opened; 93 static struct lifreq lifr; 94 /* current interface name a particular function is accessing */ 95 static char name[LIFNAMSIZ]; 96 /* foreach interface saved name */ 97 static char origname[LIFNAMSIZ]; 98 static int setaddr; 99 static boolean_t setaddr_done = _B_FALSE; 100 static boolean_t ipsec_policy_set; 101 static boolean_t ipsec_auth_covered; 102 static ipadm_handle_t iph; 103 static ipadm_addrobj_t ipaddr; 104 105 /* 106 * Make sure the algorithm variables hold more than the sizeof an algorithm 107 * in PF_KEY. (For now, more than a uint8_t.) The NO_***_?ALG indicates that 108 * there was no algorithm requested, and in the ipsec_req that service should 109 * be disabled. (E.g. if ah_aalg remains NO_AH_AALG, then AH will be 110 * disabled on that tunnel.) 111 */ 112 #define NO_AH_AALG 256 113 #define NO_ESP_AALG 256 114 #define NO_ESP_EALG 256 115 116 int s, s4, s6; 117 int af = AF_INET; /* default address family */ 118 int debug = 0; 119 int all = 0; /* setifdhcp() needs to know this */ 120 int verbose = 0; 121 int v4compat = 0; /* Compatible printing format */ 122 123 /* 124 * Function prototypes for command functions. 125 */ 126 static int addif(char *arg, int64_t param); 127 static int inetipmp(char *arg, int64_t param); 128 static int inetplumb(char *arg, int64_t param); 129 static int inetunplumb(char *arg, int64_t param); 130 static int removeif(char *arg, int64_t param); 131 static int setdebugflag(char *arg, int64_t param); 132 static int setifaddr(char *arg, int64_t param); 133 static int setifbroadaddr(char *arg, int64_t param); 134 static int setifdstaddr(char *arg, int64_t param); 135 static int setifether(char *arg, int64_t param); 136 static int setifflags(char *arg, int64_t param); 137 static int setifindex(char *arg, int64_t param); 138 static int setifmetric(char *arg, int64_t param); 139 static int setifmtu(char *arg, int64_t param); 140 static int setifnetmask(char *arg, int64_t param); 141 static int setifprefixlen(char *arg, int64_t param); 142 static int setifrevarp(char *arg, int64_t param); 143 static int setifsubnet(char *arg, int64_t param); 144 static int setiftdst(char *arg, int64_t param); 145 static int setiftoken(char *arg, int64_t param); 146 static int setiftsrc(char *arg, int64_t param); 147 static int setverboseflag(char *arg, int64_t param); 148 static int set_tun_ah_alg(char *arg, int64_t param); 149 static int set_tun_esp_auth_alg(char *arg, int64_t param); 150 static int set_tun_esp_encr_alg(char *arg, int64_t param); 151 static int modlist(char *arg, int64_t param); 152 static int modinsert(char *arg, int64_t param); 153 static int modremove(char *arg, int64_t param); 154 static int setifgroupname(char *arg, int64_t param); 155 static int configinfo(char *arg, int64_t param); 156 static void print_config_flags(int af, uint64_t flags); 157 static void print_flags(uint64_t flags); 158 static void print_ifether(const char *ifname); 159 static int set_tun_encap_limit(char *arg, int64_t param); 160 static int clr_tun_encap_limit(char *arg, int64_t param); 161 static int set_tun_hop_limit(char *arg, int64_t param); 162 static int setzone(char *arg, int64_t param); 163 static int setallzones(char *arg, int64_t param); 164 static int setifsrc(char *arg, int64_t param); 165 static int lifnum(const char *ifname); 166 static void plumball(int, char **, int64_t, int64_t, int64_t); 167 168 /* 169 * Address family specific function prototypes. 170 */ 171 static void in_getaddr(char *s, struct sockaddr *saddr, int *plenp); 172 static void in_status(int force, uint64_t flags); 173 static void in_configinfo(int force, uint64_t flags); 174 static void in6_getaddr(char *s, struct sockaddr *saddr, int *plenp); 175 static void in6_status(int force, uint64_t flags); 176 static void in6_configinfo(int force, uint64_t flags); 177 178 /* 179 * Misc support functions 180 */ 181 static boolean_t ni_entry(const char *, void *); 182 static void foreachinterface(int argc, char *argv[], 183 int af, int64_t onflags, int64_t offflags, 184 int64_t lifc_flags); 185 static void ifconfig(int argc, char *argv[], int af, 186 struct ifaddrs *ifa); 187 static boolean_t in_getmask(struct sockaddr_in *saddr, 188 boolean_t addr_set); 189 static int in_getprefixlen(char *addr, boolean_t slash, int plen); 190 static boolean_t in_prefixlentomask(int prefixlen, int maxlen, 191 uchar_t *mask); 192 static void status(void); 193 static void ifstatus(const char *ifname); 194 static void tun_status(datalink_id_t); 195 static void usage(void); 196 static int setifdhcp(const char *caller, const char *ifname, 197 int argc, char *argv[]); 198 static int ip_domux2fd(int *, int *, int *, int *, int *); 199 static int ip_plink(int, int, int, int, int); 200 static int modop(char *arg, char op); 201 static int find_all_interfaces(struct lifconf *lifcp, char **buf, 202 int64_t lifc_flags); 203 static int create_ipmp(const char *grname, int af, 204 const char *ifname, boolean_t implicit); 205 static void start_ipmp_daemon(void); 206 static boolean_t ifaddr_up(ifaddrlistx_t *ifaddrp); 207 static boolean_t ifaddr_down(ifaddrlistx_t *ifaddrp); 208 static dladm_status_t ifconfig_dladm_open(const char *, datalink_class_t, 209 datalink_id_t *); 210 static void dladmerr_exit(dladm_status_t status, const char *str); 211 static void ipadmerr_exit(ipadm_status_t status, const char *str); 212 static boolean_t ifconfig_use_libipadm(int, const char *); 213 214 #define max(a, b) ((a) < (b) ? (b) : (a)) 215 216 /* 217 * DHCP_EXIT_IF_FAILURE indicates that the operation failed, but if there 218 * are more interfaces to act on (i.e., ifconfig was invoked with -a), keep 219 * on going rather than exit with an error. 220 */ 221 222 #define DHCP_EXIT_IF_FAILURE -1 223 224 #define NEXTARG 0xffffff /* command takes an argument */ 225 #define OPTARG 0xfffffe /* command takes an optional argument */ 226 #define AF_ANY (-1) 227 228 /* Refer to the comments in ifconfig() on the netmask "hack" */ 229 #define NETMASK_CMD "netmask" 230 struct sockaddr_storage g_netmask; 231 enum { G_NETMASK_NIL, G_NETMASK_PENDING, G_NETMASK_SET } 232 g_netmask_set = G_NETMASK_NIL; 233 234 struct cmd { 235 char *c_name; 236 int64_t c_parameter; /* NEXTARG means next argv */ 237 int (*c_func)(char *, int64_t); 238 int c_abortonfail; /* don't continue parsing args */ 239 /* for the current interface */ 240 int c_af; /* address family restrictions */ 241 } cmds[] = { 242 { "up", IFF_UP, setifflags, 0, AF_ANY }, 243 { "down", -IFF_UP, setifflags, 0, AF_ANY }, 244 { "trailers", -IFF_NOTRAILERS, setifflags, 0, AF_ANY }, 245 { "-trailers", IFF_NOTRAILERS, setifflags, 0, AF_ANY }, 246 { "arp", -IFF_NOARP, setifflags, 0, AF_INET }, 247 { "-arp", IFF_NOARP, setifflags, 0, AF_INET }, 248 { "router", IFF_ROUTER, setifflags, 0, AF_ANY }, 249 { "-router", -IFF_ROUTER, setifflags, 0, AF_ANY }, 250 { "private", IFF_PRIVATE, setifflags, 0, AF_ANY }, 251 { "-private", -IFF_PRIVATE, setifflags, 0, AF_ANY }, 252 { "xmit", -IFF_NOXMIT, setifflags, 0, AF_ANY }, 253 { "-xmit", IFF_NOXMIT, setifflags, 0, AF_ANY }, 254 { "-nud", IFF_NONUD, setifflags, 0, AF_INET6 }, 255 { "nud", -IFF_NONUD, setifflags, 0, AF_INET6 }, 256 { "anycast", IFF_ANYCAST, setifflags, 0, AF_ANY }, 257 { "-anycast", -IFF_ANYCAST, setifflags, 0, AF_ANY }, 258 { "local", -IFF_NOLOCAL, setifflags, 0, AF_ANY }, 259 { "-local", IFF_NOLOCAL, setifflags, 0, AF_ANY }, 260 { "deprecated", IFF_DEPRECATED, setifflags, 0, AF_ANY }, 261 { "-deprecated", -IFF_DEPRECATED, setifflags, 0, AF_ANY }, 262 { "preferred", IFF_PREFERRED, setifflags, 0, AF_INET6 }, 263 { "-preferred", -IFF_PREFERRED, setifflags, 0, AF_INET6 }, 264 { "debug", 0, setdebugflag, 0, AF_ANY }, 265 { "verbose", 0, setverboseflag, 0, AF_ANY }, 266 { NETMASK_CMD, NEXTARG, setifnetmask, 0, AF_INET }, 267 { "metric", NEXTARG, setifmetric, 0, AF_ANY }, 268 { "mtu", NEXTARG, setifmtu, 0, AF_ANY }, 269 { "index", NEXTARG, setifindex, 0, AF_ANY }, 270 { "broadcast", NEXTARG, setifbroadaddr, 0, AF_INET }, 271 { "auto-revarp", 0, setifrevarp, 1, AF_INET }, 272 { "ipmp", 0, inetipmp, 1, AF_ANY }, 273 { "plumb", 0, inetplumb, 1, AF_ANY }, 274 { "unplumb", 0, inetunplumb, 0, AF_ANY }, 275 { "subnet", NEXTARG, setifsubnet, 0, AF_ANY }, 276 { "token", NEXTARG, setiftoken, 0, AF_INET6 }, 277 { "tsrc", NEXTARG, setiftsrc, 0, AF_ANY }, 278 { "tdst", NEXTARG, setiftdst, 0, AF_ANY }, 279 { "encr_auth_algs", NEXTARG, set_tun_esp_auth_alg, 0, AF_ANY }, 280 { "encr_algs", NEXTARG, set_tun_esp_encr_alg, 0, AF_ANY }, 281 { "auth_algs", NEXTARG, set_tun_ah_alg, 0, AF_ANY }, 282 { "addif", NEXTARG, addif, 1, AF_ANY }, 283 { "removeif", NEXTARG, removeif, 1, AF_ANY }, 284 { "modlist", 0, modlist, 1, AF_ANY }, 285 { "modinsert", NEXTARG, modinsert, 1, AF_ANY }, 286 { "modremove", NEXTARG, modremove, 1, AF_ANY }, 287 { "failover", -IFF_NOFAILOVER, setifflags, 1, AF_ANY }, 288 { "-failover", IFF_NOFAILOVER, setifflags, 1, AF_ANY }, 289 { "standby", IFF_STANDBY, setifflags, 1, AF_ANY }, 290 { "-standby", -IFF_STANDBY, setifflags, 1, AF_ANY }, 291 { "failed", IFF_FAILED, setifflags, 1, AF_ANY }, 292 { "-failed", -IFF_FAILED, setifflags, 1, AF_ANY }, 293 { "group", NEXTARG, setifgroupname, 1, AF_ANY }, 294 { "configinfo", 0, configinfo, 1, AF_ANY }, 295 { "encaplimit", NEXTARG, set_tun_encap_limit, 0, AF_ANY }, 296 { "-encaplimit", 0, clr_tun_encap_limit, 0, AF_ANY }, 297 { "thoplimit", NEXTARG, set_tun_hop_limit, 0, AF_ANY }, 298 { "set", NEXTARG, setifaddr, 0, AF_ANY }, 299 { "destination", NEXTARG, setifdstaddr, 0, AF_ANY }, 300 { "zone", NEXTARG, setzone, 0, AF_ANY }, 301 { "-zone", 0, setzone, 0, AF_ANY }, 302 { "all-zones", 0, setallzones, 0, AF_ANY }, 303 { "ether", OPTARG, setifether, 0, AF_ANY }, 304 { "usesrc", NEXTARG, setifsrc, 0, AF_ANY }, 305 306 /* 307 * NOTE: any additions to this table must also be applied to ifparse 308 * (usr/src/cmd/cmd-inet/sbin/ifparse/ifparse.c) 309 */ 310 311 { 0, 0, setifaddr, 0, AF_ANY }, 312 { 0, 0, setifdstaddr, 0, AF_ANY }, 313 { 0, 0, 0, 0, 0 }, 314 }; 315 316 317 typedef struct if_config_cmd { 318 uint64_t iff_flag; 319 int iff_af; 320 char *iff_name; 321 } if_config_cmd_t; 322 323 /* 324 * NOTE: print_config_flags() processes this table in order, so we put "up" 325 * last so that we can be sure "-failover" will take effect first. Otherwise, 326 * IPMP test addresses will erroneously migrate to the IPMP interface. 327 */ 328 static if_config_cmd_t if_config_cmd_tbl[] = { 329 { IFF_NOTRAILERS, AF_UNSPEC, "-trailers" }, 330 { IFF_PRIVATE, AF_UNSPEC, "private" }, 331 { IFF_NOXMIT, AF_UNSPEC, "-xmit" }, 332 { IFF_ANYCAST, AF_INET6, "anycast" }, 333 { IFF_NOLOCAL, AF_UNSPEC, "-local" }, 334 { IFF_DEPRECATED, AF_UNSPEC, "deprecated" }, 335 { IFF_NOFAILOVER, AF_UNSPEC, "-failover" }, 336 { IFF_STANDBY, AF_UNSPEC, "standby" }, 337 { IFF_FAILED, AF_UNSPEC, "failed" }, 338 { IFF_PREFERRED, AF_UNSPEC, "preferred" }, 339 { IFF_NONUD, AF_INET6, "-nud" }, 340 { IFF_NOARP, AF_INET, "-arp" }, 341 { IFF_UP, AF_UNSPEC, "up" }, 342 { 0, 0, NULL }, 343 }; 344 345 typedef struct ni { 346 char ni_name[LIFNAMSIZ]; 347 struct ni *ni_next; 348 } ni_t; 349 350 static ni_t *ni_list = NULL; 351 static int num_ni = 0; 352 353 /* End defines and structure definitions for ifconfig -a plumb */ 354 355 /* Known address families */ 356 struct afswtch { 357 char *af_name; 358 short af_af; 359 void (*af_status)(); 360 void (*af_getaddr)(); 361 void (*af_configinfo)(); 362 } afs[] = { 363 { "inet", AF_INET, in_status, in_getaddr, in_configinfo }, 364 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_configinfo }, 365 { 0, 0, 0, 0, 0 } 366 }; 367 368 #define SOCKET_AF(af) (((af) == AF_UNSPEC) ? AF_INET : (af)) 369 370 struct afswtch *afp; /* the address family being set or asked about */ 371 372 int 373 main(int argc, char *argv[]) 374 { 375 int64_t lifc_flags; 376 char *default_ip_str; 377 ipadm_status_t istatus; 378 379 lifc_flags = LIFC_DEFAULT; 380 381 if (argc < 2) { 382 usage(); 383 exit(1); 384 } 385 argc--, argv++; 386 if (strlen(*argv) > sizeof (name) - 1) { 387 (void) fprintf(stderr, "%s: interface name too long\n", *argv); 388 exit(1); 389 } 390 (void) strncpy(name, *argv, sizeof (name)); 391 name[sizeof (name) - 1] = '\0'; 392 (void) strncpy(origname, name, sizeof (origname)); /* For addif */ 393 default_ip_str = NULL; 394 v4compat = get_compat_flag(&default_ip_str); 395 if (v4compat == DEFAULT_PROT_BAD_VALUE) { 396 (void) fprintf(stderr, 397 "ifconfig: %s: Bad value for %s in %s\n", default_ip_str, 398 DEFAULT_IP, INET_DEFAULT_FILE); 399 free(default_ip_str); 400 exit(2); 401 } 402 free(default_ip_str); 403 argc--, argv++; 404 if (argc > 0) { 405 struct afswtch *myafp; 406 407 for (myafp = afp = afs; myafp->af_name; myafp++) { 408 if (strcmp(myafp->af_name, *argv) == 0) { 409 afp = myafp; argc--; argv++; 410 break; 411 } 412 } 413 af = lifr.lifr_addr.ss_family = afp->af_af; 414 if (af == AF_INET6) { 415 v4compat = 0; 416 } 417 } 418 419 s = socket(SOCKET_AF(af), SOCK_DGRAM, 0); 420 s4 = socket(AF_INET, SOCK_DGRAM, 0); 421 s6 = socket(AF_INET6, SOCK_DGRAM, 0); 422 if (s == -1 || s4 == -1 || s6 == -1) 423 Perror0_exit("socket"); 424 /* 425 * Open the global libipadm handle. The flag IPH_LEGACY has to 426 * be specified to indicate that logical interface names will 427 * be used during interface creation and address creation. 428 */ 429 if ((istatus = ipadm_open(&iph, IPH_LEGACY)) != IPADM_SUCCESS) 430 ipadmerr_exit(istatus, "unable to open handle to libipadm"); 431 432 /* 433 * Special interface names is any combination of these flags. 434 * Note that due to the ifconfig syntax they have to be combined 435 * as a single '-' option. 436 * -a All interfaces 437 * -u "up" interfaces 438 * -d "down" interfaces 439 * -D Interfaces not controlled by DHCP 440 * -4 IPv4 interfaces 441 * -6 IPv6 interfaces 442 * -X Turn on debug (not documented) 443 * -v Turn on verbose 444 * -Z Only interfaces in caller's zone 445 */ 446 447 if (name[0] == '-') { 448 /* One or more options */ 449 int64_t onflags = 0; 450 int64_t offflags = 0; 451 int c; 452 char *av[2] = { "ifconfig", name }; 453 454 while ((c = getopt(2, av, "audDXZ46v")) != -1) { 455 switch ((char)c) { 456 case 'a': 457 all = 1; 458 break; 459 case 'u': 460 onflags |= IFF_UP; 461 break; 462 case 'd': 463 offflags |= IFF_UP; 464 break; 465 case 'D': 466 offflags |= IFF_DHCPRUNNING; 467 break; 468 case 'X': 469 debug += 3; 470 break; 471 case 'Z': 472 lifc_flags &= ~LIFC_ALLZONES; 473 break; 474 case '4': 475 /* 476 * -4 is not a compatable flag, therefore 477 * we assume they want v4compat turned off 478 */ 479 v4compat = 0; 480 onflags |= IFF_IPV4; 481 break; 482 case '6': 483 /* 484 * If they want IPv6, well then we'll assume 485 * they don't want IPv4 compat 486 */ 487 v4compat = 0; 488 onflags |= IFF_IPV6; 489 break; 490 case 'v': 491 verbose = 1; 492 break; 493 case '?': 494 usage(); 495 exit(1); 496 } 497 } 498 if (!all) { 499 (void) fprintf(stderr, 500 "ifconfig: %s: no such interface\n", name); 501 exit(1); 502 } 503 foreachinterface(argc, argv, af, onflags, offflags, 504 lifc_flags); 505 } else { 506 ifconfig(argc, argv, af, NULL); 507 } 508 ipadm_close(iph); 509 return (0); 510 } 511 512 /* 513 * For each interface, call ifconfig(argc, argv, af, ifa). 514 * Only call function if onflags and offflags are set or clear, respectively, 515 * in the interfaces flags field. 516 */ 517 static void 518 foreachinterface(int argc, char *argv[], int af, 519 int64_t onflags, int64_t offflags, int64_t lifc_flags) 520 { 521 ipadm_addr_info_t *ainfo, *ainfop; 522 struct ifaddrs *ifa; 523 ipadm_status_t istatus; 524 525 /* 526 * Special case: 527 * ifconfig -a plumb should find all network interfaces in the current 528 * zone. 529 */ 530 if (argc > 0 && (strcmp(*argv, "plumb") == 0)) { 531 plumball(argc, argv, onflags, offflags, lifc_flags); 532 return; 533 } 534 /* Get all addresses in kernel including addresses that are zero. */ 535 istatus = ipadm_addr_info(iph, NULL, &ainfo, IPADM_OPT_ZEROADDR, 536 lifc_flags); 537 if (istatus != IPADM_SUCCESS) 538 ipadmerr_exit(istatus, "could not get addresses from kernel"); 539 540 /* 541 * For each logical interface, call ifconfig() with the 542 * given arguments. 543 */ 544 for (ainfop = ainfo; ainfop != NULL; ainfop = IA_NEXT(ainfop)) { 545 if (ainfop->ia_state == IFA_DISABLED) 546 continue; 547 ifa = &ainfop->ia_ifa; 548 if (onflags || offflags) { 549 if ((ifa->ifa_flags & onflags) != onflags) 550 continue; 551 if ((~ifa->ifa_flags & offflags) != offflags) 552 continue; 553 } 554 s = (ifa->ifa_addr->ss_family == AF_INET ? s4 : s6); 555 (void) strncpy(name, ifa->ifa_name, sizeof (name)); 556 (void) strncpy(origname, name, sizeof (origname)); 557 ifconfig(argc, argv, af, ifa); 558 } 559 ipadm_free_addr_info(ainfo); 560 } 561 562 /* 563 * Used for `ifconfig -a plumb'. Finds all datalinks and plumbs the interface. 564 */ 565 static void 566 plumball(int argc, char *argv[], int64_t onflags, int64_t offflags, 567 int64_t lifc_flags) 568 { 569 int n; 570 struct lifreq *lifrp; 571 struct lifconf lifc; 572 char *buf; 573 574 if (onflags != 0 || offflags != 0) { 575 (void) fprintf(stderr, "ifconfig: invalid syntax used to " 576 "plumb all interfaces.\n"); 577 exit(1); 578 } 579 580 if (find_all_interfaces(&lifc, &buf, lifc_flags) != 0 || 581 lifc.lifc_len == 0) 582 return; 583 584 lifrp = lifc.lifc_req; 585 for (n = lifc.lifc_len / sizeof (struct lifreq); n > 0; n--, lifrp++) { 586 /* 587 * Reset global state 588 * setaddr: Used by parser to tear apart source and dest 589 * name and origname contain the name of the 'current' 590 * interface. 591 */ 592 setaddr = 0; 593 (void) strncpy(name, lifrp->lifr_name, sizeof (name)); 594 (void) strncpy(origname, name, sizeof (origname)); 595 ifconfig(argc, argv, af, NULL); 596 } 597 } 598 599 /* 600 * Parses the interface name and the command in argv[]. Calls the 601 * appropriate callback function for the given command from `cmds[]' 602 * table. 603 * If there is no command specified, it prints all addresses. 604 */ 605 static void 606 ifconfig(int argc, char *argv[], int af, struct ifaddrs *ifa) 607 { 608 static boolean_t scan_netmask = _B_FALSE; 609 int ret; 610 ipadm_status_t istatus; 611 struct lifreq lifr; 612 613 if (argc == 0) { 614 status(); 615 return; 616 } 617 618 if (strcmp(*argv, "auto-dhcp") == 0 || strcmp(*argv, "dhcp") == 0) { 619 /* 620 * Some errors are ignored in the case where more than one 621 * interface is being operated on. 622 */ 623 ret = setifdhcp("ifconfig", name, argc, argv); 624 if (ret == DHCP_EXIT_IF_FAILURE) { 625 if (!all) 626 exit(DHCP_EXIT_FAILURE); 627 } else if (ret != DHCP_EXIT_SUCCESS) { 628 exit(ret); 629 } 630 return; 631 } 632 633 /* 634 * The following is a "hack" to get around the existing interface 635 * setting mechanism. Currently, each interface attribute, 636 * such as address, netmask, broadcast, ... is set separately. But 637 * sometimes two or more attributes must be set together. For 638 * example, setting an address without a netmask does not make sense. 639 * Yet they can be set separately for IPv4 address using the current 640 * ifconfig(1M) syntax. The kernel then "infers" the correct netmask 641 * using the deprecated "IP address classes." This is simply not 642 * correct. 643 * 644 * The "hack" below is to go thru the whole command list looking for 645 * the netmask command first. Then use this netmask to set the 646 * address. This does not provide an extensible way to accommodate 647 * future need for setting more than one attributes together. 648 * 649 * Note that if the "netmask" command argument is a "+", we need 650 * to save this info and do the query after we know the address to 651 * be set. The reason is that if "addif" is used, the working 652 * interface name will be changed later when the logical interface 653 * is created. In in_getmask(), if an address is not provided, 654 * it will use the working interface's address to do the query. 655 * It will be wrong now as we don't know the logical interface's name. 656 * 657 * ifconfig(1M) is too overloaded and the code is so convoluted 658 * that it is "safer" not to re-architect the code to fix the above 659 * issue, hence this "hack." We may be better off to have a new 660 * command with better syntax for configuring network interface 661 * parameters... 662 */ 663 if (!scan_netmask && afp->af_af == AF_INET) { 664 int largc; 665 char **largv; 666 667 /* Only go thru the command list once to find the netmask. */ 668 scan_netmask = _B_TRUE; 669 670 /* 671 * Currently, if multiple netmask commands are specified, the 672 * last one will be used as the final netmask. So we need 673 * to scan the whole list to preserve this behavior. 674 */ 675 for (largc = argc, largv = argv; largc > 0; largc--, largv++) { 676 if (strcmp(*largv, NETMASK_CMD) == 0) { 677 if (--largc == 0) 678 break; 679 largv++; 680 if (strcmp(*largv, "+") == 0) { 681 g_netmask_set = G_NETMASK_PENDING; 682 } else { 683 in_getaddr(*largv, (struct sockaddr *) 684 &g_netmask, NULL); 685 g_netmask_set = G_NETMASK_SET; 686 } 687 /* Continue the scan. */ 688 } 689 } 690 } 691 692 while (argc > 0) { 693 struct cmd *p; 694 boolean_t found_cmd; 695 696 if (debug) 697 (void) printf("ifconfig: argv %s\n", *argv); 698 699 found_cmd = _B_FALSE; 700 for (p = cmds; p->c_func; p++) { 701 if (p->c_name) { 702 if (strcmp(*argv, p->c_name) == 0) { 703 /* 704 * indicate that the command was 705 * found and check to see if 706 * the address family is valid 707 */ 708 found_cmd = _B_TRUE; 709 if (p->c_af == AF_ANY || 710 af == p->c_af) 711 break; 712 } 713 } else { 714 if (p->c_af == AF_ANY || 715 af == p->c_af) 716 break; 717 } 718 } 719 /* 720 * If we found the keyword, but the address family 721 * did not match spit out an error 722 */ 723 if (found_cmd && p->c_name == 0) { 724 (void) fprintf(stderr, "ifconfig: Operation %s not" 725 " supported for %s\n", *argv, afp->af_name); 726 exit(1); 727 } 728 /* 729 * else (no keyword found), we assume it's an address 730 * of some sort 731 */ 732 if (setaddr && ipaddr != NULL) { 733 /* 734 * We must have already filled in a source address in 735 * `ipaddr' and we now got a destination address. 736 * Fill it in `ipaddr' and call libipadm to create 737 * the static address. 738 */ 739 if (p->c_name == 0) { 740 istatus = ipadm_set_dst_addr(ipaddr, *argv, 741 (p->c_af == AF_ANY ? AF_UNSPEC : af)); 742 if (istatus != IPADM_SUCCESS) { 743 ipadmerr_exit(istatus, "could not " 744 "set destination address"); 745 } 746 /* 747 * finished processing dstaddr, so reset setaddr 748 */ 749 setaddr = 0; 750 } 751 /* 752 * Both source and destination address are in `ipaddr'. 753 * Add the address by calling libipadm. 754 */ 755 istatus = ipadm_create_addr(iph, ipaddr, 756 IPADM_OPT_ACTIVE); 757 if (istatus != IPADM_SUCCESS) 758 goto createfailed; 759 ipadm_destroy_addrobj(ipaddr); 760 ipaddr = NULL; 761 setaddr_done = _B_TRUE; 762 if (p->c_name == 0) { 763 /* move parser along */ 764 argc--, argv++; 765 continue; 766 } 767 } 768 if (p->c_name == 0 && setaddr_done) { 769 /* 770 * catch odd commands like 771 * "ifconfig <intf> addr1 addr2 addr3 addr4 up" 772 */ 773 (void) fprintf(stderr, "%s", 774 "ifconfig: cannot configure more than two " 775 "addresses in one command\n"); 776 exit(1); 777 } 778 if (p->c_func) { 779 if (p->c_af == AF_INET6) { 780 v4compat = 0; 781 } 782 if (p->c_parameter == NEXTARG || 783 p->c_parameter == OPTARG) { 784 argc--, argv++; 785 if (argc == 0 && p->c_parameter == NEXTARG) { 786 (void) fprintf(stderr, 787 "ifconfig: no argument for %s\n", 788 p->c_name); 789 exit(1); 790 } 791 } 792 /* 793 * Call the function if: 794 * 795 * there's no address family 796 * restriction 797 * OR 798 * we don't know the address yet 799 * (because we were called from 800 * main) 801 * OR 802 * there is a restriction AND 803 * the address families match 804 */ 805 if ((p->c_af == AF_ANY) || 806 (ifa == NULL) || 807 (ifa->ifa_addr->ss_family == p->c_af)) { 808 ret = (*p->c_func)(*argv, p->c_parameter); 809 /* 810 * If c_func failed and we should 811 * abort processing for this 812 * interface on failure, return 813 * now rather than going on to 814 * process other commands for 815 * the same interface. 816 */ 817 if (ret != 0 && p->c_abortonfail) 818 return; 819 } 820 } 821 argc--, argv++; 822 } 823 824 if (setaddr && ipaddr != NULL) { 825 /* 826 * Only the source address was provided, which was already 827 * set in `ipaddr'. Add the address by calling libipadm. 828 */ 829 istatus = ipadm_create_addr(iph, ipaddr, IPADM_OPT_ACTIVE); 830 if (istatus != IPADM_SUCCESS) 831 goto createfailed; 832 ipadm_destroy_addrobj(ipaddr); 833 ipaddr = NULL; 834 setaddr_done = _B_TRUE; 835 } 836 837 /* Check to see if there's a security hole in the tunnel setup. */ 838 if (ipsec_policy_set && !ipsec_auth_covered) { 839 (void) fprintf(stderr, "ifconfig: WARNING: tunnel with only " 840 "ESP and no authentication.\n"); 841 } 842 return; 843 844 createfailed: 845 (void) fprintf(stderr, "ifconfig: could not create address:% s\n", 846 ipadm_status2str(istatus)); 847 /* Remove the newly created logical interface. */ 848 if (strcmp(name, origname) != 0) { 849 assert(strchr(name, ':') != NULL); 850 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 851 (void) ioctl(s, SIOCLIFREMOVEIF, (caddr_t)&lifr); 852 } 853 exit(1); 854 } 855 856 /* ARGSUSED */ 857 static int 858 setdebugflag(char *val, int64_t arg) 859 { 860 debug++; 861 return (0); 862 } 863 864 /* ARGSUSED */ 865 static int 866 setverboseflag(char *val, int64_t arg) 867 { 868 verbose++; 869 return (0); 870 } 871 872 /* 873 * This function fills in the given lifreq's lifr_addr field based on 874 * g_netmask_set. 875 */ 876 static void 877 set_mask_lifreq(struct lifreq *lifr, struct sockaddr_storage *addr, 878 struct sockaddr_storage *mask) 879 { 880 assert(addr != NULL); 881 assert(mask != NULL); 882 883 switch (g_netmask_set) { 884 case G_NETMASK_SET: 885 lifr->lifr_addr = g_netmask; 886 break; 887 888 case G_NETMASK_PENDING: 889 /* 890 * "+" is used as the argument to "netmask" command. Query 891 * the database on the correct netmask based on the address to 892 * be set. 893 */ 894 assert(afp->af_af == AF_INET); 895 g_netmask = *addr; 896 if (!in_getmask((struct sockaddr_in *)&g_netmask, _B_TRUE)) { 897 lifr->lifr_addr = *mask; 898 g_netmask_set = G_NETMASK_NIL; 899 } else { 900 lifr->lifr_addr = g_netmask; 901 g_netmask_set = G_NETMASK_SET; 902 } 903 break; 904 905 case G_NETMASK_NIL: 906 default: 907 lifr->lifr_addr = *mask; 908 break; 909 } 910 } 911 912 /* 913 * Set the interface address. Handles <addr>, <addr>/<n> as well as /<n> 914 * syntax for setting the address, the address plus netmask, and just 915 * the netmask respectively. 916 */ 917 /* ARGSUSED */ 918 static int 919 setifaddr(char *addr, int64_t param) 920 { 921 ipadm_status_t istatus; 922 int prefixlen = 0; 923 struct lifreq lifr1; 924 struct sockaddr_storage laddr; 925 struct sockaddr_storage netmask; 926 struct sockaddr_in6 *sin6; 927 struct sockaddr_in *sin; 928 struct sockaddr_storage sav_netmask; 929 char cidraddr[BUFSIZ]; 930 931 if (addr[0] == '/') 932 return (setifprefixlen(addr, 0)); 933 934 (*afp->af_getaddr)(addr, (struct sockaddr *)&laddr, &prefixlen); 935 936 (void) memset(&netmask, 0, sizeof (netmask)); 937 netmask.ss_family = afp->af_af; 938 switch (prefixlen) { 939 case NO_PREFIX: 940 /* Nothing there - ok */ 941 break; 942 case BAD_ADDR: 943 (void) fprintf(stderr, "ifconfig: Bad prefix length in %s\n", 944 addr); 945 exit(1); 946 default: 947 if (afp->af_af == AF_INET6) { 948 sin6 = (struct sockaddr_in6 *)&netmask; 949 if (!in_prefixlentomask(prefixlen, IPV6_ABITS, 950 (uchar_t *)&sin6->sin6_addr)) { 951 (void) fprintf(stderr, "ifconfig: " 952 "Bad prefix length: %d\n", 953 prefixlen); 954 exit(1); 955 } 956 } else { 957 sin = (struct sockaddr_in *)&netmask; 958 if (!in_prefixlentomask(prefixlen, IP_ABITS, 959 (uchar_t *)&sin->sin_addr)) { 960 (void) fprintf(stderr, "ifconfig: " 961 "Bad prefix length: %d\n", 962 prefixlen); 963 exit(1); 964 } 965 } 966 /* 967 * Just in case of funny setting of both prefix and netmask, 968 * prefix should override the netmask command. 969 */ 970 g_netmask_set = G_NETMASK_NIL; 971 break; 972 } 973 974 /* 975 * Check and see if any "netmask" command is used and perform the 976 * necessary operation. 977 */ 978 set_mask_lifreq(&lifr, &laddr, &netmask); 979 980 /* This check is temporary until libipadm supports IPMP interfaces. */ 981 if (ifconfig_use_libipadm(s, name)) { 982 char addrstr[INET6_ADDRSTRLEN]; 983 984 if (af == AF_INET) { 985 sin = (struct sockaddr_in *)&laddr; 986 (void) inet_ntop(AF_INET, &sin->sin_addr, addrstr, 987 sizeof (addrstr)); 988 } else { 989 sin6 = (struct sockaddr_in6 *)&laddr; 990 (void) inet_ntop(AF_INET6, &sin6->sin6_addr, addrstr, 991 sizeof (addrstr)); 992 } 993 istatus = ipadm_create_addrobj(IPADM_ADDR_STATIC, name, 994 &ipaddr); 995 if (istatus != IPADM_SUCCESS) 996 ipadmerr_exit(istatus, "setifaddr"); 997 998 /* 999 * lifr.lifr_addr, which is updated by set_mask_lifreq() 1000 * will contain the right mask to use. 1001 */ 1002 prefixlen = mask2plen(&lifr.lifr_addr); 1003 (void) snprintf(cidraddr, sizeof (cidraddr), "%s/%d", 1004 addrstr, prefixlen); 1005 1006 istatus = ipadm_set_addr(ipaddr, cidraddr, af); 1007 if (istatus != IPADM_SUCCESS) 1008 ipadmerr_exit(istatus, "could not set address"); 1009 /* 1010 * let parser know we got a source. 1011 * Next address, if given, should be dest 1012 */ 1013 setaddr++; 1014 1015 /* 1016 * address will be set by the parser after nextarg has 1017 * been scanned 1018 */ 1019 return (0); 1020 } 1021 1022 /* Tell parser that an address was set */ 1023 setaddr++; 1024 /* save copy of netmask to restore in case of error */ 1025 (void) strncpy(lifr1.lifr_name, name, sizeof (lifr1.lifr_name)); 1026 if (ioctl(s, SIOCGLIFNETMASK, (caddr_t)&lifr1) < 0) 1027 Perror0_exit("SIOCGLIFNETMASK"); 1028 sav_netmask = lifr1.lifr_addr; 1029 1030 /* 1031 * If setting the address and not the mask, clear any existing mask 1032 * and the kernel will then assign the default (netmask has been set 1033 * to 0 in this case). If setting both (either by using a prefix or 1034 * using the netmask command), set the mask first, so the address will 1035 * be interpreted correctly. 1036 */ 1037 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1038 /* lifr.lifr_addr already contains netmask from set_mask_lifreq() */ 1039 if (ioctl(s, SIOCSLIFNETMASK, (caddr_t)&lifr) < 0) 1040 Perror0_exit("SIOCSLIFNETMASK"); 1041 1042 if (debug) { 1043 char abuf[INET6_ADDRSTRLEN]; 1044 void *addr = (afp->af_af == AF_INET) ? 1045 (void *)&((struct sockaddr_in *)&laddr)->sin_addr : 1046 (void *)&((struct sockaddr_in6 *)&laddr)->sin6_addr; 1047 1048 (void) printf("Setting %s af %d addr %s\n", 1049 lifr.lifr_name, afp->af_af, 1050 inet_ntop(afp->af_af, addr, abuf, sizeof (abuf))); 1051 } 1052 lifr.lifr_addr = laddr; 1053 lifr.lifr_addr.ss_family = afp->af_af; 1054 if (ioctl(s, SIOCSLIFADDR, (caddr_t)&lifr) < 0) { 1055 /* 1056 * Restore the netmask 1057 */ 1058 int saverr = errno; 1059 1060 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1061 lifr.lifr_addr = sav_netmask; 1062 (void) ioctl(s, SIOCSLIFNETMASK, (caddr_t)&lifr); 1063 errno = saverr; 1064 Perror0_exit("SIOCSLIFADDR"); 1065 } 1066 1067 return (0); 1068 } 1069 1070 /* 1071 * The following functions are stolen from the ipseckey(1m) program. 1072 * Perhaps they should be somewhere common, but for now, we just maintain 1073 * two versions. We do this because of the different semantics for which 1074 * algorithms we select ("requested" for ifconfig vs. "actual" for key). 1075 */ 1076 1077 static ulong_t 1078 parsenum(char *num) 1079 { 1080 ulong_t rc; 1081 char *end = NULL; 1082 1083 errno = 0; 1084 rc = strtoul(num, &end, 0); 1085 if (errno != 0 || end == num || *end != '\0') { 1086 rc = (ulong_t)-1; 1087 } 1088 1089 return (rc); 1090 } 1091 1092 /* 1093 * Parse and reverse parse possible algorithm values, include numbers. 1094 * Mostly stolen from ipseckey.c. See the comments above parsenum() for why 1095 * this isn't common to ipseckey.c. 1096 * 1097 * NOTE: Static buffer in this function for the return value. Since ifconfig 1098 * isn't multithreaded, this isn't a huge problem. 1099 */ 1100 1101 #define NBUF_SIZE 20 /* Enough to print a large integer. */ 1102 1103 static char * 1104 rparsealg(uint8_t alg_value, int proto_num) 1105 { 1106 struct ipsecalgent *alg; 1107 static char numprint[128]; /* Enough to hold an algorithm name. */ 1108 1109 /* 1110 * Special cases for "any" and "none" 1111 * The kernel needs to be able to distinguish between "any" 1112 * and "none" and the APIs are underdefined in this area for auth. 1113 */ 1114 if (proto_num == IPSEC_PROTO_AH) { 1115 if (alg_value == SADB_AALG_NONE) 1116 return ("none"); 1117 if (alg_value == SADB_AALG_ANY) 1118 return ("any"); 1119 } 1120 1121 alg = getipsecalgbynum(alg_value, proto_num, NULL); 1122 if (alg != NULL) { 1123 (void) strlcpy(numprint, alg->a_names[0], sizeof (numprint)); 1124 freeipsecalgent(alg); 1125 } else { 1126 (void) snprintf(numprint, sizeof (numprint), "%d", alg_value); 1127 } 1128 1129 return (numprint); 1130 } 1131 1132 static uint_t 1133 parsealg(char *algname, int proto_num) 1134 { 1135 struct ipsecalgent *alg; 1136 ulong_t invalue; 1137 1138 if (algname == NULL) { 1139 (void) fprintf(stderr, "ifconfig: Unexpected end of command " 1140 "line.\n"); 1141 exit(1); 1142 } 1143 1144 /* 1145 * Special-case "none" and "any". 1146 * Use strcasecmp because its length is bounded. 1147 */ 1148 if (strcasecmp("none", algname) == 0) { 1149 return ((proto_num == IPSEC_PROTO_ESP) ? 1150 NO_ESP_EALG : NO_ESP_AALG); 1151 } 1152 if ((strcasecmp("any", algname) == 0) && (proto_num == IPSEC_PROTO_AH)) 1153 return (SADB_AALG_ANY); 1154 1155 alg = getipsecalgbyname(algname, proto_num, NULL); 1156 if (alg != NULL) { 1157 invalue = alg->a_alg_num; 1158 freeipsecalgent(alg); 1159 return ((uint_t)invalue); 1160 } 1161 1162 /* 1163 * Since algorithms can be loaded during kernel run-time, check for 1164 * numeric algorithm values too. 1165 */ 1166 invalue = parsenum(algname); 1167 if ((invalue & (ulong_t)0xff) == invalue) 1168 return ((uint_t)invalue); 1169 1170 (void) fprintf(stderr, "ifconfig: %s algorithm type %s unknown.\n", 1171 (proto_num == IPSEC_PROTO_ESP) ? 1172 "Encryption" : "Authentication", algname); 1173 exit(1); 1174 /* NOTREACHED */ 1175 } 1176 1177 /* 1178 * Actual ifconfig functions to set tunnel security properties. 1179 */ 1180 1181 enum ipsec_alg_type { ESP_ENCR_ALG = 1, ESP_AUTH_ALG, AH_AUTH_ALG }; 1182 1183 static int 1184 set_tun_algs(int which_alg, int alg) 1185 { 1186 boolean_t encr_alg_set = _B_FALSE; 1187 iptun_params_t params; 1188 dladm_status_t status; 1189 ipsec_req_t *ipsr; 1190 1191 if ((status = ifconfig_dladm_open(name, DATALINK_CLASS_IPTUN, 1192 ¶ms.iptun_param_linkid)) != DLADM_STATUS_OK) 1193 goto done; 1194 1195 status = dladm_iptun_getparams(dlh, ¶ms, DLADM_OPT_ACTIVE); 1196 if (status != DLADM_STATUS_OK) 1197 goto done; 1198 1199 ipsr = ¶ms.iptun_param_secinfo; 1200 1201 /* 1202 * If I'm just starting off this ifconfig, I want a clean slate, 1203 * otherwise, I've captured the current tunnel security settings. 1204 * In the case of continuation, I merely add to the settings. 1205 */ 1206 if (!(params.iptun_param_flags & IPTUN_PARAM_SECINFO)) 1207 (void) memset(ipsr, 0, sizeof (*ipsr)); 1208 1209 /* We're only modifying the IPsec information */ 1210 params.iptun_param_flags = IPTUN_PARAM_SECINFO; 1211 1212 switch (which_alg) { 1213 case ESP_ENCR_ALG: 1214 if (alg == NO_ESP_EALG) { 1215 if (ipsr->ipsr_esp_auth_alg == SADB_AALG_NONE) 1216 ipsr->ipsr_esp_req = 0; 1217 ipsr->ipsr_esp_alg = SADB_EALG_NONE; 1218 1219 /* Let the user specify NULL encryption implicitly. */ 1220 if (ipsr->ipsr_esp_auth_alg != SADB_AALG_NONE) { 1221 encr_alg_set = _B_TRUE; 1222 ipsr->ipsr_esp_alg = SADB_EALG_NULL; 1223 } 1224 } else { 1225 encr_alg_set = _B_TRUE; 1226 ipsr->ipsr_esp_req = 1227 IPSEC_PREF_REQUIRED | IPSEC_PREF_UNIQUE; 1228 ipsr->ipsr_esp_alg = alg; 1229 } 1230 break; 1231 case ESP_AUTH_ALG: 1232 if (alg == NO_ESP_AALG) { 1233 if ((ipsr->ipsr_esp_alg == SADB_EALG_NONE || 1234 ipsr->ipsr_esp_alg == SADB_EALG_NULL) && 1235 !encr_alg_set) 1236 ipsr->ipsr_esp_req = 0; 1237 ipsr->ipsr_esp_auth_alg = SADB_AALG_NONE; 1238 } else { 1239 ipsr->ipsr_esp_req = 1240 IPSEC_PREF_REQUIRED | IPSEC_PREF_UNIQUE; 1241 ipsr->ipsr_esp_auth_alg = alg; 1242 1243 /* Let the user specify NULL encryption implicitly. */ 1244 if (ipsr->ipsr_esp_alg == SADB_EALG_NONE && 1245 !encr_alg_set) 1246 ipsr->ipsr_esp_alg = SADB_EALG_NULL; 1247 } 1248 break; 1249 case AH_AUTH_ALG: 1250 if (alg == NO_AH_AALG) { 1251 ipsr->ipsr_ah_req = 0; 1252 ipsr->ipsr_auth_alg = SADB_AALG_NONE; 1253 } else { 1254 ipsr->ipsr_ah_req = 1255 IPSEC_PREF_REQUIRED | IPSEC_PREF_UNIQUE; 1256 ipsr->ipsr_auth_alg = alg; 1257 } 1258 break; 1259 /* Will never hit DEFAULT */ 1260 } 1261 1262 status = dladm_iptun_modify(dlh, ¶ms, DLADM_OPT_ACTIVE); 1263 1264 done: 1265 if (status != DLADM_STATUS_OK) 1266 dladmerr_exit(status, name); 1267 else { 1268 ipsec_policy_set = _B_TRUE; 1269 if ((ipsr->ipsr_esp_req != 0 && 1270 ipsr->ipsr_esp_auth_alg != SADB_AALG_NONE) || 1271 (ipsr->ipsr_ah_req != 0 && 1272 ipsr->ipsr_auth_alg != SADB_AALG_NONE)) 1273 ipsec_auth_covered = _B_TRUE; 1274 } 1275 return (0); 1276 } 1277 1278 /* ARGSUSED */ 1279 static int 1280 set_tun_esp_encr_alg(char *addr, int64_t param) 1281 { 1282 return (set_tun_algs(ESP_ENCR_ALG, 1283 parsealg(addr, IPSEC_PROTO_ESP))); 1284 } 1285 1286 /* ARGSUSED */ 1287 static int 1288 set_tun_esp_auth_alg(char *addr, int64_t param) 1289 { 1290 return (set_tun_algs(ESP_AUTH_ALG, 1291 parsealg(addr, IPSEC_PROTO_AH))); 1292 } 1293 1294 /* ARGSUSED */ 1295 static int 1296 set_tun_ah_alg(char *addr, int64_t param) 1297 { 1298 return (set_tun_algs(AH_AUTH_ALG, 1299 parsealg(addr, IPSEC_PROTO_AH))); 1300 } 1301 1302 /* ARGSUSED */ 1303 static int 1304 setifrevarp(char *arg, int64_t param) 1305 { 1306 struct sockaddr_in laddr; 1307 1308 if (afp->af_af == AF_INET6) { 1309 (void) fprintf(stderr, 1310 "ifconfig: revarp not possible on IPv6 interface %s\n", 1311 name); 1312 exit(1); 1313 } 1314 if (doifrevarp(name, &laddr)) { 1315 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1316 laddr.sin_family = AF_INET; 1317 (void) memcpy(&lifr.lifr_addr, &laddr, sizeof (laddr)); 1318 if (ioctl(s, SIOCSLIFADDR, (caddr_t)&lifr) < 0) 1319 Perror0_exit("SIOCSLIFADDR"); 1320 } 1321 return (0); 1322 } 1323 1324 /* ARGSUSED */ 1325 static int 1326 setifsubnet(char *addr, int64_t param) 1327 { 1328 int prefixlen = 0; 1329 struct sockaddr_storage subnet; 1330 1331 (*afp->af_getaddr)(addr, &subnet, &prefixlen); 1332 1333 switch (prefixlen) { 1334 case NO_PREFIX: 1335 (void) fprintf(stderr, 1336 "ifconfig: Missing prefix length in subnet %s\n", addr); 1337 exit(1); 1338 /* NOTREACHED */ 1339 case BAD_ADDR: 1340 (void) fprintf(stderr, 1341 "ifconfig: Bad prefix length in %s\n", addr); 1342 exit(1); 1343 default: 1344 break; 1345 } 1346 1347 lifr.lifr_addr = subnet; 1348 lifr.lifr_addrlen = prefixlen; 1349 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1350 if (ioctl(s, SIOCSLIFSUBNET, (caddr_t)&lifr) < 0) 1351 Perror0_exit("SIOCSLIFSUBNET"); 1352 1353 return (0); 1354 } 1355 1356 /* ARGSUSED */ 1357 static int 1358 setifnetmask(char *addr, int64_t param) 1359 { 1360 struct sockaddr_in netmask; 1361 1362 assert(afp->af_af != AF_INET6); 1363 1364 if (strcmp(addr, "+") == 0) { 1365 if (!in_getmask(&netmask, _B_FALSE)) 1366 return (0); 1367 (void) printf("Setting netmask of %s to %s\n", name, 1368 inet_ntoa(netmask.sin_addr)); 1369 } else { 1370 in_getaddr(addr, (struct sockaddr *)&netmask, NULL); 1371 } 1372 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1373 (void) memcpy(&lifr.lifr_addr, &netmask, sizeof (netmask)); 1374 if (ioctl(s, SIOCSLIFNETMASK, (caddr_t)&lifr) < 0) 1375 Perror0_exit("SIOCSLIFNETMASK"); 1376 return (0); 1377 } 1378 1379 /* 1380 * Parse '/<n>' as a netmask. 1381 */ 1382 /* ARGSUSED */ 1383 static int 1384 setifprefixlen(char *addr, int64_t param) 1385 { 1386 int prefixlen; 1387 int af = afp->af_af; 1388 1389 prefixlen = in_getprefixlen(addr, _B_TRUE, 1390 (af == AF_INET) ? IP_ABITS : IPV6_ABITS); 1391 if (prefixlen < 0) { 1392 (void) fprintf(stderr, 1393 "ifconfig: Bad prefix length in %s\n", addr); 1394 exit(1); 1395 } 1396 (void) memset(&lifr.lifr_addr, 0, sizeof (lifr.lifr_addr)); 1397 lifr.lifr_addr.ss_family = af; 1398 if (af == AF_INET6) { 1399 struct sockaddr_in6 *sin6; 1400 1401 sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 1402 if (!in_prefixlentomask(prefixlen, IPV6_ABITS, 1403 (uchar_t *)&sin6->sin6_addr)) { 1404 (void) fprintf(stderr, "ifconfig: " 1405 "Bad prefix length: %d\n", 1406 prefixlen); 1407 exit(1); 1408 } 1409 } else if (af == AF_INET) { 1410 struct sockaddr_in *sin; 1411 1412 sin = (struct sockaddr_in *)&lifr.lifr_addr; 1413 if (!in_prefixlentomask(prefixlen, IP_ABITS, 1414 (uchar_t *)&sin->sin_addr)) { 1415 (void) fprintf(stderr, "ifconfig: " 1416 "Bad prefix length: %d\n", 1417 prefixlen); 1418 exit(1); 1419 } 1420 } else { 1421 (void) fprintf(stderr, "ifconfig: setting prefix only supported" 1422 " for address family inet or inet6\n"); 1423 exit(1); 1424 } 1425 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1426 if (ioctl(s, SIOCSLIFNETMASK, (caddr_t)&lifr) < 0) 1427 Perror0_exit("SIOCSLIFNETMASK"); 1428 return (0); 1429 } 1430 1431 /* ARGSUSED */ 1432 static int 1433 setifbroadaddr(char *addr, int64_t param) 1434 { 1435 struct sockaddr_in broadaddr; 1436 1437 assert(afp->af_af != AF_INET6); 1438 1439 if (strcmp(addr, "+") == 0) { 1440 /* 1441 * This doesn't set the broadcast address at all. Rather, it 1442 * gets, then sets the interface's address, relying on the fact 1443 * that resetting the address will reset the broadcast address. 1444 */ 1445 (void) strncpy(lifr.lifr_name, name, 1446 sizeof (lifr.lifr_name)); 1447 if (ioctl(s, SIOCGLIFADDR, (caddr_t)&lifr) < 0) { 1448 if (errno != EADDRNOTAVAIL) 1449 Perror0_exit("SIOCGLIFADDR"); 1450 return (0); 1451 } 1452 if (ioctl(s, SIOCSLIFADDR, (caddr_t)&lifr) < 0) 1453 Perror0_exit("SIOCGLIFADDR"); 1454 1455 return (0); 1456 } 1457 in_getaddr(addr, (struct sockaddr *)&broadaddr, NULL); 1458 1459 (void) memcpy(&lifr.lifr_addr, &broadaddr, sizeof (broadaddr)); 1460 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1461 if (ioctl(s, SIOCSLIFBRDADDR, (caddr_t)&lifr) < 0) 1462 Perror0_exit("SIOCSLIFBRDADDR"); 1463 return (0); 1464 } 1465 1466 /* 1467 * set interface destination address 1468 */ 1469 /* ARGSUSED */ 1470 static int 1471 setifdstaddr(char *addr, int64_t param) 1472 { 1473 (*afp->af_getaddr)(addr, (struct sockaddr *)&lifr.lifr_addr, NULL); 1474 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1475 if (ioctl(s, SIOCSLIFDSTADDR, (caddr_t)&lifr) < 0) 1476 Perror0_exit("setifdstaddr: SIOCSLIFDSTADDR"); 1477 return (0); 1478 } 1479 1480 /* ARGSUSED */ 1481 static int 1482 setifflags(char *val, int64_t value) 1483 { 1484 struct lifreq lifrl; /* local lifreq struct */ 1485 boolean_t bringup = _B_FALSE; 1486 1487 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1488 if (ioctl(s, SIOCGLIFFLAGS, (caddr_t)&lifr) < 0) 1489 Perror0_exit("setifflags: SIOCGLIFFLAGS"); 1490 1491 if (value < 0) { 1492 value = -value; 1493 1494 if ((value & IFF_NOFAILOVER) && (lifr.lifr_flags & IFF_UP)) { 1495 /* 1496 * The kernel does not allow administratively up test 1497 * addresses to be converted to data addresses. Bring 1498 * the address down first, then bring it up after it's 1499 * been converted to a data address. 1500 */ 1501 lifr.lifr_flags &= ~IFF_UP; 1502 (void) ioctl(s, SIOCSLIFFLAGS, (caddr_t)&lifr); 1503 bringup = _B_TRUE; 1504 } 1505 1506 lifr.lifr_flags &= ~value; 1507 if ((value & (IFF_UP | IFF_NOFAILOVER)) && 1508 (lifr.lifr_flags & IFF_DUPLICATE)) { 1509 /* 1510 * If the user is trying to mark an interface with a 1511 * duplicate address as "down," or convert a duplicate 1512 * test address to a data address, then fetch the 1513 * address and set it. This will cause IP to clear 1514 * the IFF_DUPLICATE flag and stop the automatic 1515 * recovery timer. 1516 */ 1517 value = lifr.lifr_flags; 1518 if (ioctl(s, SIOCGLIFADDR, (caddr_t)&lifr) >= 0) 1519 (void) ioctl(s, SIOCSLIFADDR, (caddr_t)&lifr); 1520 lifr.lifr_flags = value; 1521 } 1522 } else { 1523 lifr.lifr_flags |= value; 1524 } 1525 1526 /* 1527 * If we're about to bring up an underlying physical IPv6 interface in 1528 * an IPMP group, ensure the IPv6 IPMP interface is also up. This is 1529 * for backward compatibility with legacy configurations in which 1530 * there are no explicit hostname files for IPMP interfaces. (For 1531 * IPv4, this is automatically handled by the kernel when migrating 1532 * the underlying interface's data address to the IPMP interface.) 1533 */ 1534 (void) strlcpy(lifrl.lifr_name, name, LIFNAMSIZ); 1535 1536 if (lifnum(lifr.lifr_name) == 0 && 1537 (lifr.lifr_flags & (IFF_UP|IFF_IPV6)) == (IFF_UP|IFF_IPV6) && 1538 ioctl(s, SIOCGLIFGROUPNAME, &lifrl) == 0 && 1539 lifrl.lifr_groupname[0] != '\0') { 1540 lifgroupinfo_t lifgr; 1541 1542 (void) strlcpy(lifgr.gi_grname, lifrl.lifr_groupname, 1543 LIFGRNAMSIZ); 1544 if (ioctl(s, SIOCGLIFGROUPINFO, &lifgr) == -1) 1545 Perror0_exit("setifflags: SIOCGLIFGROUPINFO"); 1546 1547 (void) strlcpy(lifrl.lifr_name, lifgr.gi_grifname, LIFNAMSIZ); 1548 if (ioctl(s, SIOCGLIFFLAGS, &lifrl) == -1) 1549 Perror0_exit("setifflags: SIOCGLIFFLAGS"); 1550 if (!(lifrl.lifr_flags & IFF_UP)) { 1551 lifrl.lifr_flags |= IFF_UP; 1552 if (ioctl(s, SIOCSLIFFLAGS, &lifrl) == -1) 1553 Perror0_exit("setifflags: SIOCSLIFFLAGS"); 1554 } 1555 } 1556 1557 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1558 if (ioctl(s, SIOCSLIFFLAGS, (caddr_t)&lifr) < 0) 1559 Perror0_exit("setifflags: SIOCSLIFFLAGS"); 1560 1561 if (bringup) { 1562 lifr.lifr_flags |= IFF_UP; 1563 if (ioctl(s, SIOCSLIFFLAGS, (caddr_t)&lifr) < 0) 1564 Perror0_exit("setifflags: SIOCSLIFFLAGS IFF_UP"); 1565 } 1566 1567 return (0); 1568 } 1569 1570 /* ARGSUSED */ 1571 static int 1572 setifmetric(char *val, int64_t param) 1573 { 1574 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1575 lifr.lifr_metric = atoi(val); 1576 if (ioctl(s, SIOCSLIFMETRIC, (caddr_t)&lifr) < 0) 1577 Perror0_exit("setifmetric: SIOCSLIFMETRIC"); 1578 return (0); 1579 } 1580 1581 /* ARGSUSED */ 1582 static int 1583 setifmtu(char *val, int64_t param) 1584 { 1585 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1586 lifr.lifr_mtu = atoi(val); 1587 if (ioctl(s, SIOCSLIFMTU, (caddr_t)&lifr) < 0) 1588 Perror0_exit("setifmtu: SIOCSLIFMTU"); 1589 return (0); 1590 } 1591 1592 /* ARGSUSED */ 1593 static int 1594 setifindex(char *val, int64_t param) 1595 { 1596 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1597 lifr.lifr_index = atoi(val); 1598 if (ioctl(s, SIOCSLIFINDEX, (caddr_t)&lifr) < 0) 1599 Perror0_exit("setifindex: SIOCSLIFINDEX"); 1600 return (0); 1601 } 1602 1603 /* ARGSUSED */ 1604 static void 1605 notifycb(dlpi_handle_t dh, dlpi_notifyinfo_t *dnip, void *arg) 1606 { 1607 } 1608 1609 /* ARGSUSED */ 1610 static int 1611 setifether(char *addr, int64_t param) 1612 { 1613 uchar_t *hwaddr; 1614 int hwaddrlen; 1615 int retval; 1616 ifaddrlistx_t *ifaddrp, *ifaddrs = NULL; 1617 dlpi_handle_t dh; 1618 dlpi_notifyid_t id; 1619 1620 if (addr == NULL) { 1621 ifstatus(name); 1622 print_ifether(name); 1623 return (0); 1624 } 1625 1626 /* 1627 * if the IP interface in the arguments is a logical 1628 * interface, exit with an error now. 1629 */ 1630 if (strchr(name, ':') != NULL) { 1631 (void) fprintf(stderr, "ifconfig: cannot change" 1632 " ethernet address of a logical interface\n"); 1633 exit(1); 1634 } 1635 1636 if ((hwaddr = _link_aton(addr, &hwaddrlen)) == NULL) { 1637 if (hwaddrlen == -1) 1638 (void) fprintf(stderr, 1639 "ifconfig: bad ethernet address\n"); 1640 else 1641 (void) fprintf(stderr, "ifconfig: malloc() failed\n"); 1642 exit(1); 1643 } 1644 1645 if ((retval = dlpi_open(name, &dh, 0)) != DLPI_SUCCESS) 1646 Perrdlpi_exit("cannot dlpi_open() link", name, retval); 1647 1648 retval = dlpi_enabnotify(dh, DL_NOTE_PHYS_ADDR, notifycb, NULL, &id); 1649 if (retval == DLPI_SUCCESS) { 1650 (void) dlpi_disabnotify(dh, id, NULL); 1651 } else { 1652 /* 1653 * This link does not support DL_NOTE_PHYS_ADDR: bring down 1654 * all of the addresses to flush the old hardware address 1655 * information out of IP. 1656 * 1657 * NOTE: Skipping this when DL_NOTE_PHYS_ADDR is supported is 1658 * more than an optimization: in.mpathd will set IFF_OFFLINE 1659 * if it's notified and the new address is a duplicate of 1660 * another in the group -- but the flags manipulation in 1661 * ifaddr_{down,up}() cannot be atomic and thus might clobber 1662 * IFF_OFFLINE, confusing in.mpathd. 1663 */ 1664 if (ifaddrlistx(name, IFF_UP, 0, &ifaddrs) == -1) 1665 Perror2_exit(name, "cannot get address list"); 1666 1667 ifaddrp = ifaddrs; 1668 for (; ifaddrp != NULL; ifaddrp = ifaddrp->ia_next) { 1669 if (!ifaddr_down(ifaddrp)) { 1670 Perror2_exit(ifaddrp->ia_name, 1671 "cannot bring down"); 1672 } 1673 } 1674 } 1675 1676 /* 1677 * Change the hardware address. 1678 */ 1679 retval = dlpi_set_physaddr(dh, DL_CURR_PHYS_ADDR, hwaddr, hwaddrlen); 1680 if (retval != DLPI_SUCCESS) { 1681 (void) fprintf(stderr, 1682 "ifconfig: failed setting mac address on %s\n", name); 1683 } 1684 dlpi_close(dh); 1685 1686 /* 1687 * If any addresses were brought down before changing the hardware 1688 * address, bring them up again. 1689 */ 1690 for (ifaddrp = ifaddrs; ifaddrp != NULL; ifaddrp = ifaddrp->ia_next) { 1691 if (!ifaddr_up(ifaddrp)) 1692 Perror2_exit(ifaddrp->ia_name, "cannot bring up"); 1693 } 1694 ifaddrlistx_free(ifaddrs); 1695 1696 return (0); 1697 } 1698 1699 /* 1700 * Print an interface's Ethernet address, if it has one. 1701 */ 1702 static void 1703 print_ifether(const char *ifname) 1704 { 1705 int fd; 1706 1707 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1708 1709 fd = socket(AF_INET, SOCK_DGRAM, 0); 1710 if (fd == -1 || ioctl(fd, SIOCGLIFFLAGS, &lifr) == -1) { 1711 /* 1712 * It's possible the interface is only configured for 1713 * IPv6; check again with AF_INET6. 1714 */ 1715 (void) close(fd); 1716 fd = socket(AF_INET6, SOCK_DGRAM, 0); 1717 if (fd == -1 || ioctl(fd, SIOCGLIFFLAGS, &lifr) == -1) { 1718 (void) close(fd); 1719 return; 1720 } 1721 } 1722 (void) close(fd); 1723 1724 /* VNI and IPMP interfaces don't have MAC addresses */ 1725 if (lifr.lifr_flags & (IFF_VIRTUAL|IFF_IPMP)) 1726 return; 1727 1728 /* IP tunnels also don't have Ethernet-like MAC addresses */ 1729 if (ifconfig_dladm_open(ifname, DATALINK_CLASS_IPTUN, NULL) == 1730 DLADM_STATUS_OK) 1731 return; 1732 1733 dlpi_print_address(ifname); 1734 } 1735 1736 /* 1737 * static int find_all_interfaces(struct lifconf *lifcp, char **buf, 1738 * int64_t lifc_flags) 1739 * 1740 * It finds all active data links. 1741 * 1742 * It takes in input a pointer to struct lifconf to receive interfaces 1743 * informations, a **char to hold allocated buffer, and a lifc_flags. 1744 * 1745 * Return values: 1746 * 0 = everything OK 1747 * -1 = problem 1748 */ 1749 static int 1750 find_all_interfaces(struct lifconf *lifcp, char **buf, int64_t lifc_flags) 1751 { 1752 unsigned bufsize; 1753 int n; 1754 ni_t *nip; 1755 struct lifreq *lifrp; 1756 dladm_status_t status; 1757 1758 if (!dlh_opened) { 1759 status = ifconfig_dladm_open(NULL, 0, NULL); 1760 if (status != DLADM_STATUS_OK) 1761 dladmerr_exit(status, "unable to open dladm handle"); 1762 } 1763 1764 (void) dlpi_walk(ni_entry, dlh, 0); 1765 1766 /* Now, translate the linked list into a struct lifreq buffer */ 1767 if (num_ni == 0) { 1768 lifcp->lifc_family = AF_UNSPEC; 1769 lifcp->lifc_flags = lifc_flags; 1770 lifcp->lifc_len = 0; 1771 lifcp->lifc_buf = NULL; 1772 return (0); 1773 } 1774 1775 bufsize = num_ni * sizeof (struct lifreq); 1776 if ((*buf = malloc(bufsize)) == NULL) 1777 Perror0_exit("find_all_interfaces: malloc failed"); 1778 1779 lifcp->lifc_family = AF_UNSPEC; 1780 lifcp->lifc_flags = lifc_flags; 1781 lifcp->lifc_len = bufsize; 1782 lifcp->lifc_buf = *buf; 1783 1784 for (n = 0, lifrp = lifcp->lifc_req; n < num_ni; n++, lifrp++) { 1785 nip = ni_list; 1786 (void) strncpy(lifrp->lifr_name, nip->ni_name, 1787 sizeof (lifr.lifr_name)); 1788 ni_list = nip->ni_next; 1789 free(nip); 1790 } 1791 return (0); 1792 } 1793 1794 /* 1795 * Create the next unused logical interface using the original name 1796 * and assign the address (and mask if '/<n>' is part of the address). 1797 * Use the new logical interface for subsequent subcommands by updating 1798 * the name variable. 1799 * 1800 * This allows syntax like: 1801 * ifconfig le0 addif 109.106.86.130 netmask + up \ 1802 * addif 109.106.86.131 netmask + up 1803 */ 1804 /* ARGSUSED */ 1805 static int 1806 addif(char *str, int64_t param) 1807 { 1808 int prefixlen = 0; 1809 struct sockaddr_storage laddr; 1810 struct sockaddr_storage mask; 1811 ipadm_status_t istatus; 1812 char cidraddr[BUFSIZ]; 1813 1814 (void) strncpy(name, origname, sizeof (name)); 1815 1816 if (strchr(name, ':') != NULL) { 1817 (void) fprintf(stderr, 1818 "ifconfig: addif: bad physical interface name %s\n", 1819 name); 1820 exit(1); 1821 } 1822 1823 /* 1824 * clear so parser will interpret next address as source followed 1825 * by possible dest 1826 */ 1827 setaddr = 0; 1828 (*afp->af_getaddr)(str, (struct sockaddr *)&laddr, &prefixlen); 1829 1830 switch (prefixlen) { 1831 case NO_PREFIX: 1832 /* Nothing there - ok */ 1833 break; 1834 case BAD_ADDR: 1835 (void) fprintf(stderr, 1836 "ifconfig: Bad prefix length in %s\n", str); 1837 exit(1); 1838 default: 1839 (void) memset(&mask, 0, sizeof (mask)); 1840 mask.ss_family = afp->af_af; 1841 if (afp->af_af == AF_INET6) { 1842 struct sockaddr_in6 *sin6; 1843 sin6 = (struct sockaddr_in6 *)&mask; 1844 if (!in_prefixlentomask(prefixlen, IPV6_ABITS, 1845 (uchar_t *)&sin6->sin6_addr)) { 1846 (void) fprintf(stderr, "ifconfig: " 1847 "Bad prefix length: %d\n", 1848 prefixlen); 1849 exit(1); 1850 } 1851 } else { 1852 struct sockaddr_in *sin; 1853 1854 sin = (struct sockaddr_in *)&mask; 1855 if (!in_prefixlentomask(prefixlen, IP_ABITS, 1856 (uchar_t *)&sin->sin_addr)) { 1857 (void) fprintf(stderr, "ifconfig: " 1858 "Bad prefix length: %d\n", 1859 prefixlen); 1860 exit(1); 1861 } 1862 } 1863 g_netmask_set = G_NETMASK_NIL; 1864 break; 1865 } 1866 1867 /* 1868 * This is a "hack" to get around the problem of SIOCLIFADDIF. The 1869 * problem is that this ioctl does not include the netmask when 1870 * adding a logical interface. This is the same problem described 1871 * in the ifconfig() comments. To get around this problem, we first 1872 * add the logical interface with a 0 address. After that, we set 1873 * the netmask if provided. Finally we set the interface address. 1874 */ 1875 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 1876 (void) memset(&lifr.lifr_addr, 0, sizeof (lifr.lifr_addr)); 1877 1878 /* Note: no need to do DAD here since the interface isn't up yet. */ 1879 1880 if (ioctl(s, SIOCLIFADDIF, (caddr_t)&lifr) < 0) 1881 Perror0_exit("addif: SIOCLIFADDIF"); 1882 1883 (void) printf("Created new logical interface %s\n", 1884 lifr.lifr_name); 1885 (void) strncpy(name, lifr.lifr_name, sizeof (name)); 1886 1887 /* 1888 * Check and see if any "netmask" command is used and perform the 1889 * necessary operation. 1890 */ 1891 set_mask_lifreq(&lifr, &laddr, &mask); 1892 1893 /* This check is temporary until libipadm supports IPMP interfaces. */ 1894 if (ifconfig_use_libipadm(s, name)) { 1895 /* 1896 * We added the logical interface above before calling 1897 * ipadm_create_addr(), because, with IPH_LEGACY, we need 1898 * to do an addif for `ifconfig ce0 addif <addr>' but not for 1899 * `ifconfig ce0 <addr>'. libipadm does not have a flag to 1900 * to differentiate between these two cases. To keep it simple, 1901 * we always create the logical interface and pass it to 1902 * libipadm instead of requiring libipadm to addif for some 1903 * cases and not do addif for other cases. 1904 */ 1905 istatus = ipadm_create_addrobj(IPADM_ADDR_STATIC, name, 1906 &ipaddr); 1907 if (istatus != IPADM_SUCCESS) 1908 ipadmerr_exit(istatus, "addif"); 1909 1910 if (strchr(str, '/') == NULL) { 1911 /* 1912 * lifr.lifr_addr, which is updated by set_mask_lifreq() 1913 * will contain the right mask to use. 1914 */ 1915 prefixlen = mask2plen(&lifr.lifr_addr); 1916 (void) snprintf(cidraddr, sizeof (cidraddr), "%s/%d", 1917 str, prefixlen); 1918 str = cidraddr; 1919 } 1920 istatus = ipadm_set_addr(ipaddr, str, af); 1921 if (istatus != IPADM_SUCCESS) 1922 ipadmerr_exit(istatus, "could not set address"); 1923 setaddr++; 1924 /* 1925 * address will be set by the parser after nextarg 1926 * has been scanned 1927 */ 1928 return (0); 1929 } 1930 1931 /* 1932 * Only set the netmask if "netmask" command is used or a prefix is 1933 * provided. 1934 */ 1935 if (g_netmask_set == G_NETMASK_SET || prefixlen >= 0) { 1936 /* 1937 * lifr.lifr_addr already contains netmask from 1938 * set_mask_lifreq(). 1939 */ 1940 if (ioctl(s, SIOCSLIFNETMASK, (caddr_t)&lifr) < 0) 1941 Perror0_exit("addif: SIOCSLIFNETMASK"); 1942 } 1943 1944 /* Finally, we set the interface address. */ 1945 lifr.lifr_addr = laddr; 1946 if (ioctl(s, SIOCSLIFADDR, (caddr_t)&lifr) < 0) 1947 Perror0_exit("SIOCSLIFADDR"); 1948 1949 /* 1950 * let parser know we got a source. 1951 * Next address, if given, should be dest 1952 */ 1953 setaddr++; 1954 return (0); 1955 } 1956 1957 /* 1958 * Remove a logical interface based on its IP address. Unlike addif 1959 * there is no '/<n>' here. 1960 * Verifies that the interface is down before it is removed. 1961 */ 1962 /* ARGSUSED */ 1963 static int 1964 removeif(char *str, int64_t param) 1965 { 1966 struct sockaddr_storage laddr; 1967 ipadm_status_t istatus; 1968 ipadm_addr_info_t *ainfo, *ainfop; 1969 1970 if (strchr(name, ':') != NULL) { 1971 (void) fprintf(stderr, 1972 "ifconfig: removeif: bad physical interface name %s\n", 1973 name); 1974 exit(1); 1975 } 1976 1977 (*afp->af_getaddr)(str, &laddr, NULL); 1978 1979 /* 1980 * Following check is temporary until libipadm supports 1981 * IPMP interfaces. 1982 */ 1983 if (!ifconfig_use_libipadm(s, name)) 1984 goto delete; 1985 1986 /* 1987 * Get all addresses and search this address among the active 1988 * addresses. If an address object was found, delete using 1989 * ipadm_delete_addr(). 1990 */ 1991 istatus = ipadm_addr_info(iph, name, &ainfo, 0, LIFC_DEFAULT); 1992 if (istatus != IPADM_SUCCESS) 1993 ipadmerr_exit(istatus, "removeif"); 1994 1995 for (ainfop = ainfo; ainfop != NULL; ainfop = IA_NEXT(ainfop)) 1996 if (sockaddrcmp(ainfop->ia_ifa.ifa_addr, &laddr)) 1997 break; 1998 1999 if (ainfop != NULL && ainfop->ia_aobjname[0] != '\0') { 2000 istatus = ipadm_delete_addr(iph, ainfop->ia_aobjname, 2001 IPADM_OPT_ACTIVE); 2002 if (istatus != IPADM_SUCCESS) 2003 ipadmerr_exit(istatus, "could not delete address"); 2004 ipadm_free_addr_info(ainfo); 2005 return (0); 2006 } 2007 ipadm_free_addr_info(ainfo); 2008 2009 delete: 2010 /* 2011 * An address object for this address was not found in ipadm. 2012 * Delete with SIOCLIFREMOVEIF. 2013 */ 2014 lifr.lifr_addr = laddr; 2015 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 2016 if (ioctl(s, SIOCLIFREMOVEIF, (caddr_t)&lifr) < 0) { 2017 if (errno == EBUSY) { 2018 /* This can only happen if ipif_id = 0 */ 2019 (void) fprintf(stderr, 2020 "ifconfig: removeif: can't remove interface: %s\n", 2021 name); 2022 exit(1); 2023 } 2024 Perror0_exit("removeif: SIOCLIFREMOVEIF"); 2025 } 2026 return (0); 2027 } 2028 2029 /* 2030 * Set the address token for IPv6. 2031 */ 2032 /* ARGSUSED */ 2033 static int 2034 setiftoken(char *addr, int64_t param) 2035 { 2036 int prefixlen = 0; 2037 struct sockaddr_in6 token; 2038 2039 in6_getaddr(addr, (struct sockaddr *)&token, &prefixlen); 2040 switch (prefixlen) { 2041 case NO_PREFIX: 2042 (void) fprintf(stderr, 2043 "ifconfig: Missing prefix length in subnet %s\n", addr); 2044 exit(1); 2045 /* NOTREACHED */ 2046 case BAD_ADDR: 2047 (void) fprintf(stderr, 2048 "ifconfig: Bad prefix length in %s\n", addr); 2049 exit(1); 2050 default: 2051 break; 2052 } 2053 (void) memcpy(&lifr.lifr_addr, &token, sizeof (token)); 2054 lifr.lifr_addrlen = prefixlen; 2055 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 2056 if (ioctl(s, SIOCSLIFTOKEN, (caddr_t)&lifr) < 0) { 2057 Perror0_exit("setiftoken: SIOCSLIFTOKEN"); 2058 } 2059 return (0); 2060 } 2061 2062 /* ARGSUSED */ 2063 static int 2064 setifgroupname(char *grname, int64_t param) 2065 { 2066 lifgroupinfo_t lifgr; 2067 struct lifreq lifrl; 2068 ifaddrlistx_t *ifaddrp, *nextifaddrp; 2069 ifaddrlistx_t *ifaddrs = NULL, *downaddrs = NULL; 2070 int af; 2071 2072 if (debug) { 2073 (void) printf("Setting groupname %s on interface %s\n", 2074 grname, name); 2075 } 2076 2077 (void) strlcpy(lifrl.lifr_name, name, LIFNAMSIZ); 2078 (void) strlcpy(lifrl.lifr_groupname, grname, LIFGRNAMSIZ); 2079 2080 while (ioctl(s, SIOCSLIFGROUPNAME, &lifrl) == -1) { 2081 switch (errno) { 2082 case ENOENT: 2083 /* 2084 * The group doesn't yet exist; create it and repeat. 2085 */ 2086 af = afp->af_af; 2087 if (create_ipmp(grname, af, NULL, _B_TRUE) == -1) { 2088 if (errno == EEXIST) 2089 continue; 2090 2091 Perror2(grname, "cannot create IPMP group"); 2092 goto fail; 2093 } 2094 continue; 2095 2096 case EALREADY: 2097 /* 2098 * The interface is already in another group; must 2099 * remove existing membership first. 2100 */ 2101 lifrl.lifr_groupname[0] = '\0'; 2102 if (ioctl(s, SIOCSLIFGROUPNAME, &lifrl) == -1) { 2103 Perror2(name, "cannot remove existing " 2104 "IPMP group membership"); 2105 goto fail; 2106 } 2107 (void) strlcpy(lifrl.lifr_groupname, grname, 2108 LIFGRNAMSIZ); 2109 continue; 2110 2111 case EAFNOSUPPORT: 2112 /* 2113 * The group exists, but it's not configured with the 2114 * address families the interface needs. Since only 2115 * two address families are currently supported, just 2116 * configure the "other" address family. Note that we 2117 * may race with group deletion or creation by another 2118 * process (ENOENT or EEXIST); in such cases we repeat 2119 * our original SIOCSLIFGROUPNAME. 2120 */ 2121 (void) strlcpy(lifgr.gi_grname, grname, LIFGRNAMSIZ); 2122 if (ioctl(s, SIOCGLIFGROUPINFO, &lifgr) == -1) { 2123 if (errno == ENOENT) 2124 continue; 2125 2126 Perror2(grname, "SIOCGLIFGROUPINFO"); 2127 goto fail; 2128 } 2129 2130 af = lifgr.gi_v4 ? AF_INET6 : AF_INET; 2131 if (create_ipmp(grname, af, lifgr.gi_grifname, 2132 _B_TRUE) == -1) { 2133 if (errno == EEXIST) 2134 continue; 2135 2136 Perror2(grname, "cannot configure IPMP group"); 2137 goto fail; 2138 } 2139 continue; 2140 2141 case EADDRINUSE: 2142 /* 2143 * Some addresses are in-use (or under control of DAD). 2144 * Bring them down and retry the group join operation. 2145 * We will bring them back up after the interface has 2146 * been placed in the group. 2147 */ 2148 if (ifaddrlistx(lifrl.lifr_name, IFF_UP|IFF_DUPLICATE, 2149 0, &ifaddrs) == -1) { 2150 Perror2(grname, "cannot get address list"); 2151 goto fail; 2152 } 2153 2154 ifaddrp = ifaddrs; 2155 for (; ifaddrp != NULL; ifaddrp = nextifaddrp) { 2156 if (!ifaddr_down(ifaddrp)) { 2157 ifaddrs = ifaddrp; 2158 goto fail; 2159 } 2160 nextifaddrp = ifaddrp->ia_next; 2161 ifaddrp->ia_next = downaddrs; 2162 downaddrs = ifaddrp; 2163 } 2164 ifaddrs = NULL; 2165 continue; 2166 2167 case EADDRNOTAVAIL: { 2168 /* 2169 * Some data addresses are under application control. 2170 * For some of these (e.g., ADDRCONF), the application 2171 * should remove the address, in which case we retry a 2172 * few times (since the application's action is not 2173 * atomic with respect to us) before bailing out and 2174 * informing the user. 2175 */ 2176 int ntries, nappaddr = 0; 2177 const if_appflags_t *iap = if_appflags_tbl; 2178 2179 for (; iap->ia_app != NULL; iap++) { 2180 ntries = 0; 2181 again: 2182 if (ifaddrlistx(lifrl.lifr_name, iap->ia_flag, 2183 IFF_NOFAILOVER, &ifaddrs) == -1) { 2184 (void) fprintf(stderr, "ifconfig: %s: " 2185 "cannot get data addresses managed " 2186 "by %s\n", lifrl.lifr_name, 2187 iap->ia_app); 2188 goto fail; 2189 } 2190 2191 if (ifaddrs == NULL) 2192 continue; 2193 2194 ifaddrlistx_free(ifaddrs); 2195 ifaddrs = NULL; 2196 2197 if (++ntries < iap->ia_tries) { 2198 (void) poll(NULL, 0, 100); 2199 goto again; 2200 } 2201 2202 (void) fprintf(stderr, "ifconfig: cannot join " 2203 "IPMP group: %s has data addresses managed " 2204 "by %s\n", lifrl.lifr_name, iap->ia_app); 2205 nappaddr++; 2206 } 2207 if (nappaddr > 0) 2208 goto fail; 2209 continue; 2210 } 2211 default: 2212 Perror2(name, "SIOCSLIFGROUPNAME"); 2213 goto fail; 2214 } 2215 } 2216 2217 /* 2218 * If the interface being moved is under the control of `ipmgmtd(1M)' 2219 * dameon then we should inform the daemon about this move, so that 2220 * the daemon can delete the state associated with this interface. 2221 * 2222 * This workaround is needed until the IPMP support in ipadm(1M). 2223 */ 2224 ipadm_if_move(iph, name); 2225 2226 /* 2227 * If there were addresses that we had to bring down, it's time to 2228 * bring them up again. As part of bringing them up, the kernel will 2229 * automatically move them to the new IPMP interface. 2230 */ 2231 for (ifaddrp = downaddrs; ifaddrp != NULL; ifaddrp = ifaddrp->ia_next) { 2232 if (!ifaddr_up(ifaddrp) && errno != ENXIO) { 2233 (void) fprintf(stderr, "ifconfig: cannot bring back up " 2234 "%s: %s\n", ifaddrp->ia_name, strerror(errno)); 2235 } 2236 } 2237 ifaddrlistx_free(downaddrs); 2238 return (0); 2239 fail: 2240 /* 2241 * Attempt to bring back up any interfaces that we downed. 2242 */ 2243 for (ifaddrp = downaddrs; ifaddrp != NULL; ifaddrp = ifaddrp->ia_next) { 2244 if (!ifaddr_up(ifaddrp) && errno != ENXIO) { 2245 (void) fprintf(stderr, "ifconfig: cannot bring back up " 2246 "%s: %s\n", ifaddrp->ia_name, strerror(errno)); 2247 } 2248 } 2249 ifaddrlistx_free(downaddrs); 2250 ifaddrlistx_free(ifaddrs); 2251 2252 /* 2253 * We'd return -1, but foreachinterface() doesn't propagate the error 2254 * into the exit status, so we're forced to explicitly exit(). 2255 */ 2256 exit(1); 2257 /* NOTREACHED */ 2258 } 2259 2260 static boolean_t 2261 modcheck(const char *ifname) 2262 { 2263 (void) strlcpy(lifr.lifr_name, ifname, sizeof (lifr.lifr_name)); 2264 2265 if (ioctl(s, SIOCGLIFFLAGS, &lifr) < 0) { 2266 Perror0("SIOCGLIFFLAGS"); 2267 return (_B_FALSE); 2268 } 2269 2270 if (lifr.lifr_flags & IFF_IPMP) { 2271 (void) fprintf(stderr, "ifconfig: %s: module operations not" 2272 " supported on IPMP interfaces\n", ifname); 2273 return (_B_FALSE); 2274 } 2275 if (lifr.lifr_flags & IFF_VIRTUAL) { 2276 (void) fprintf(stderr, "ifconfig: %s: module operations not" 2277 " supported on virtual IP interfaces\n", ifname); 2278 return (_B_FALSE); 2279 } 2280 return (_B_TRUE); 2281 } 2282 2283 /* 2284 * To list all the modules above a given network interface. 2285 */ 2286 /* ARGSUSED */ 2287 static int 2288 modlist(char *null, int64_t param) 2289 { 2290 int muxid_fd; 2291 int muxfd; 2292 int ipfd_lowstr; 2293 int arpfd_lowstr; 2294 int num_mods; 2295 int i; 2296 struct str_list strlist; 2297 int orig_arpid; 2298 2299 /* 2300 * We'd return -1, but foreachinterface() doesn't propagate the error 2301 * into the exit status, so we're forced to explicitly exit(). 2302 */ 2303 if (!modcheck(name)) 2304 exit(1); 2305 2306 if (ip_domux2fd(&muxfd, &muxid_fd, &ipfd_lowstr, &arpfd_lowstr, 2307 &orig_arpid) < 0) { 2308 return (-1); 2309 } 2310 if ((num_mods = ioctl(ipfd_lowstr, I_LIST, NULL)) < 0) { 2311 Perror0("cannot I_LIST to get the number of modules"); 2312 } else { 2313 if (debug > 0) { 2314 (void) printf("Listing (%d) modules above %s\n", 2315 num_mods, name); 2316 } 2317 2318 strlist.sl_nmods = num_mods; 2319 strlist.sl_modlist = malloc(sizeof (struct str_mlist) * 2320 num_mods); 2321 if (strlist.sl_modlist == NULL) { 2322 Perror0("cannot malloc"); 2323 } else { 2324 if (ioctl(ipfd_lowstr, I_LIST, (caddr_t)&strlist) < 0) { 2325 Perror0("cannot I_LIST for module names"); 2326 } else { 2327 for (i = 0; i < strlist.sl_nmods; i++) { 2328 (void) printf("%d %s\n", i, 2329 strlist.sl_modlist[i].l_name); 2330 } 2331 } 2332 free(strlist.sl_modlist); 2333 } 2334 } 2335 return (ip_plink(muxfd, muxid_fd, ipfd_lowstr, arpfd_lowstr, 2336 orig_arpid)); 2337 } 2338 2339 #define MODINSERT_OP 'i' 2340 #define MODREMOVE_OP 'r' 2341 2342 /* 2343 * To insert a module to the stream of the interface. It is just a 2344 * wrapper. The real function is modop(). 2345 */ 2346 /* ARGSUSED */ 2347 static int 2348 modinsert(char *arg, int64_t param) 2349 { 2350 return (modop(arg, MODINSERT_OP)); 2351 } 2352 2353 /* 2354 * To remove a module from the stream of the interface. It is just a 2355 * wrapper. The real function is modop(). 2356 */ 2357 /* ARGSUSED */ 2358 static int 2359 modremove(char *arg, int64_t param) 2360 { 2361 return (modop(arg, MODREMOVE_OP)); 2362 } 2363 2364 /* 2365 * Helper function for mod*() functions. It gets a fd to the lower IP 2366 * stream and I_PUNLINK's the lower stream. It also initializes the 2367 * global variable lifr. 2368 * 2369 * Param: 2370 * int *muxfd: fd to /dev/udp{,6} for I_PLINK/I_PUNLINK 2371 * int *muxid_fd: fd to /dev/udp{,6} for LIFMUXID 2372 * int *ipfd_lowstr: fd to the lower IP stream. 2373 * int *arpfd_lowstr: fd to the lower ARP stream. 2374 * 2375 * Return: 2376 * -1 if operation fails, 0 otherwise. 2377 * 2378 * Please see the big block comment above ifplumb() for the logic of the 2379 * PLINK/PUNLINK 2380 */ 2381 static int 2382 ip_domux2fd(int *muxfd, int *muxid_fd, int *ipfd_lowstr, int *arpfd_lowstr, 2383 int *orig_arpid) 2384 { 2385 uint64_t flags; 2386 char *udp_dev_name; 2387 2388 *orig_arpid = 0; 2389 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 2390 if (ioctl(s, SIOCGLIFFLAGS, (caddr_t)&lifr) < 0) { 2391 Perror0_exit("status: SIOCGLIFFLAGS"); 2392 } 2393 flags = lifr.lifr_flags; 2394 if (flags & IFF_IPV4) { 2395 udp_dev_name = UDP_DEV_NAME; 2396 } else if (flags & IFF_IPV6) { 2397 udp_dev_name = UDP6_DEV_NAME; 2398 } else { 2399 return (-1); 2400 } 2401 2402 if ((*muxid_fd = open(udp_dev_name, O_RDWR)) < 0) { 2403 Perror2("open", udp_dev_name); 2404 return (-1); 2405 } 2406 if (ioctl(*muxid_fd, SIOCGLIFMUXID, (caddr_t)&lifr) < 0) { 2407 Perror2("SIOCGLIFMUXID", udp_dev_name); 2408 return (-1); 2409 } 2410 if (debug > 0) { 2411 (void) printf("ARP_muxid %d IP_muxid %d\n", 2412 lifr.lifr_arp_muxid, lifr.lifr_ip_muxid); 2413 } 2414 2415 /* 2416 * Use /dev/udp{,6} as the mux to avoid linkcycles. 2417 */ 2418 if (ipadm_open_arp_on_udp(udp_dev_name, muxfd) != IPADM_SUCCESS) 2419 return (-1); 2420 2421 if (lifr.lifr_arp_muxid != 0) { 2422 if ((*arpfd_lowstr = ioctl(*muxfd, _I_MUXID2FD, 2423 lifr.lifr_arp_muxid)) < 0) { 2424 if ((errno == EINVAL) && 2425 (flags & (IFF_NOARP | IFF_IPV6))) { 2426 /* 2427 * Some plumbing utilities set the muxid to 2428 * -1 or some invalid value to signify that 2429 * there is no arp stream. Set the muxid to 0 2430 * before trying to unplumb the IP stream. 2431 * IP does not allow the IP stream to be 2432 * unplumbed if it sees a non-null arp muxid, 2433 * for consistency of IP-ARP streams. 2434 */ 2435 *orig_arpid = lifr.lifr_arp_muxid; 2436 lifr.lifr_arp_muxid = 0; 2437 (void) ioctl(*muxid_fd, SIOCSLIFMUXID, 2438 (caddr_t)&lifr); 2439 *arpfd_lowstr = -1; 2440 } else { 2441 Perror0("_I_MUXID2FD"); 2442 return (-1); 2443 } 2444 } else if (ioctl(*muxfd, I_PUNLINK, 2445 lifr.lifr_arp_muxid) < 0) { 2446 Perror2("I_PUNLINK", udp_dev_name); 2447 return (-1); 2448 } 2449 } else { 2450 *arpfd_lowstr = -1; 2451 } 2452 2453 if ((*ipfd_lowstr = ioctl(*muxfd, _I_MUXID2FD, 2454 lifr.lifr_ip_muxid)) < 0) { 2455 Perror0("_I_MUXID2FD"); 2456 /* Undo any changes we made */ 2457 if (*orig_arpid != 0) { 2458 lifr.lifr_arp_muxid = *orig_arpid; 2459 (void) ioctl(*muxid_fd, SIOCSLIFMUXID, (caddr_t)&lifr); 2460 } 2461 return (-1); 2462 } 2463 if (ioctl(*muxfd, I_PUNLINK, lifr.lifr_ip_muxid) < 0) { 2464 Perror2("I_PUNLINK", udp_dev_name); 2465 /* Undo any changes we made */ 2466 if (*orig_arpid != 0) { 2467 lifr.lifr_arp_muxid = *orig_arpid; 2468 (void) ioctl(*muxid_fd, SIOCSLIFMUXID, (caddr_t)&lifr); 2469 } 2470 return (-1); 2471 } 2472 return (0); 2473 } 2474 2475 /* 2476 * Helper function for mod*() functions. It I_PLINK's back the upper and 2477 * lower IP streams. Note that this function must be called after 2478 * ip_domux2fd(). In ip_domux2fd(), the global variable lifr is initialized 2479 * and ip_plink() needs information in lifr. So ip_domux2fd() and ip_plink() 2480 * must be called in pairs. 2481 * 2482 * Param: 2483 * int muxfd: fd to /dev/udp{,6} for I_PLINK/I_PUNLINK 2484 * int muxid_fd: fd to /dev/udp{,6} for LIFMUXID 2485 * int ipfd_lowstr: fd to the lower IP stream. 2486 * int arpfd_lowstr: fd to the lower ARP stream. 2487 * 2488 * Return: 2489 * -1 if operation fails, 0 otherwise. 2490 * 2491 * Please see the big block comment above ifplumb() for the logic of the 2492 * PLINK/PUNLINK 2493 */ 2494 static int 2495 ip_plink(int muxfd, int muxid_fd, int ipfd_lowstr, int arpfd_lowstr, 2496 int orig_arpid) 2497 { 2498 int ip_muxid; 2499 2500 ip_muxid = ioctl(muxfd, I_PLINK, ipfd_lowstr); 2501 if (ip_muxid < 0) { 2502 Perror2("I_PLINK", UDP_DEV_NAME); 2503 return (-1); 2504 } 2505 2506 /* 2507 * If there is an arp stream, plink it. If there is no 2508 * arp stream, then it is possible that the plumbing 2509 * utility could have stored any value in the arp_muxid. 2510 * If so, restore it from orig_arpid. 2511 */ 2512 if (arpfd_lowstr != -1) { 2513 if (ioctl(muxfd, I_PLINK, arpfd_lowstr) < 0) { 2514 Perror2("I_PLINK", UDP_DEV_NAME); 2515 return (-1); 2516 } 2517 } else if (orig_arpid != 0) { 2518 /* Undo the changes we did in ip_domux2fd */ 2519 lifr.lifr_arp_muxid = orig_arpid; 2520 lifr.lifr_ip_muxid = ip_muxid; 2521 (void) ioctl(muxid_fd, SIOCSLIFMUXID, (caddr_t)&lifr); 2522 } 2523 2524 (void) close(muxfd); 2525 (void) close(muxid_fd); 2526 return (0); 2527 } 2528 2529 /* 2530 * The real function to perform module insertion/removal. 2531 * 2532 * Param: 2533 * char *arg: the argument string module_name@position 2534 * char op: operation, either MODINSERT_OP or MODREMOVE_OP. 2535 * 2536 * Return: 2537 * Before doing ip_domux2fd(), this function calls exit(1) in case of 2538 * error. After ip_domux2fd() is done, it returns -1 for error, 0 2539 * otherwise. 2540 */ 2541 static int 2542 modop(char *arg, char op) 2543 { 2544 char *pos_p; 2545 int muxfd; 2546 int muxid_fd; 2547 int ipfd_lowstr; /* IP stream (lower stream of mux) to be plinked */ 2548 int arpfd_lowstr; /* ARP stream (lower stream of mux) to be plinked */ 2549 struct strmodconf mod; 2550 char *at_char = "@"; 2551 char *arg_str; 2552 int orig_arpid; 2553 2554 /* 2555 * We'd return -1, but foreachinterface() doesn't propagate the error 2556 * into the exit status, so we're forced to explicitly exit(). 2557 */ 2558 if (!modcheck(name)) 2559 exit(1); 2560 2561 /* Need to save the original string for -a option. */ 2562 if ((arg_str = malloc(strlen(arg) + 1)) == NULL) { 2563 Perror0("cannot malloc"); 2564 return (-1); 2565 } 2566 (void) strcpy(arg_str, arg); 2567 2568 if (*arg_str == *at_char) { 2569 (void) fprintf(stderr, 2570 "ifconfig: must supply a module name\n"); 2571 exit(1); 2572 } 2573 mod.mod_name = strtok(arg_str, at_char); 2574 if (strlen(mod.mod_name) > FMNAMESZ) { 2575 (void) fprintf(stderr, "ifconfig: module name too long: %s\n", 2576 mod.mod_name); 2577 exit(1); 2578 } 2579 2580 /* 2581 * Need to make sure that the core TCP/IP stack modules are not 2582 * removed. Otherwise, "bad" things can happen. If a module 2583 * is removed and inserted back, it loses its old state. But 2584 * the modules above it still have the old state. E.g. IP assumes 2585 * fast data path while tunnel after re-inserted assumes that it can 2586 * receive M_DATA only in fast data path for which it does not have 2587 * any state. This is a general caveat of _I_REMOVE/_I_INSERT. 2588 */ 2589 if (op == MODREMOVE_OP && 2590 (strcmp(mod.mod_name, ARP_MOD_NAME) == 0 || 2591 strcmp(mod.mod_name, IP_MOD_NAME) == 0)) { 2592 (void) fprintf(stderr, "ifconfig: cannot remove %s\n", 2593 mod.mod_name); 2594 exit(1); 2595 } 2596 2597 if ((pos_p = strtok(NULL, at_char)) == NULL) { 2598 (void) fprintf(stderr, "ifconfig: must supply a position\n"); 2599 exit(1); 2600 } 2601 mod.pos = atoi(pos_p); 2602 2603 if (ip_domux2fd(&muxfd, &muxid_fd, &ipfd_lowstr, &arpfd_lowstr, 2604 &orig_arpid) < 0) { 2605 free(arg_str); 2606 return (-1); 2607 } 2608 switch (op) { 2609 case MODINSERT_OP: 2610 if (debug > 0) { 2611 (void) printf("Inserting module %s at %d\n", 2612 mod.mod_name, mod.pos); 2613 } 2614 if (ioctl(ipfd_lowstr, _I_INSERT, (caddr_t)&mod) < 0) { 2615 Perror2("fail to insert module", mod.mod_name); 2616 } 2617 break; 2618 case MODREMOVE_OP: 2619 if (debug > 0) { 2620 (void) printf("Removing module %s at %d\n", 2621 mod.mod_name, mod.pos); 2622 } 2623 if (ioctl(ipfd_lowstr, _I_REMOVE, (caddr_t)&mod) < 0) { 2624 Perror2("fail to remove module", mod.mod_name); 2625 } 2626 break; 2627 default: 2628 /* Should never get to here. */ 2629 (void) fprintf(stderr, "Unknown operation\n"); 2630 break; 2631 } 2632 free(arg_str); 2633 return (ip_plink(muxfd, muxid_fd, ipfd_lowstr, arpfd_lowstr, 2634 orig_arpid)); 2635 } 2636 2637 static int 2638 modify_tun(iptun_params_t *params) 2639 { 2640 dladm_status_t status; 2641 2642 if ((status = ifconfig_dladm_open(name, DATALINK_CLASS_IPTUN, 2643 ¶ms->iptun_param_linkid)) == DLADM_STATUS_OK) 2644 status = dladm_iptun_modify(dlh, params, DLADM_OPT_ACTIVE); 2645 if (status != DLADM_STATUS_OK) 2646 dladmerr_exit(status, name); 2647 return (0); 2648 } 2649 2650 /* 2651 * Set tunnel source address 2652 */ 2653 /* ARGSUSED */ 2654 static int 2655 setiftsrc(char *addr, int64_t param) 2656 { 2657 iptun_params_t params; 2658 2659 params.iptun_param_flags = IPTUN_PARAM_LADDR; 2660 (void) strlcpy(params.iptun_param_laddr, addr, 2661 sizeof (params.iptun_param_laddr)); 2662 return (modify_tun(¶ms)); 2663 } 2664 2665 /* 2666 * Set tunnel destination address 2667 */ 2668 /* ARGSUSED */ 2669 static int 2670 setiftdst(char *addr, int64_t param) 2671 { 2672 iptun_params_t params; 2673 2674 params.iptun_param_flags = IPTUN_PARAM_RADDR; 2675 (void) strlcpy(params.iptun_param_raddr, addr, 2676 sizeof (params.iptun_param_raddr)); 2677 return (modify_tun(¶ms)); 2678 } 2679 2680 static int 2681 set_tun_prop(const char *propname, char *value) 2682 { 2683 dladm_status_t status; 2684 datalink_id_t linkid; 2685 2686 status = ifconfig_dladm_open(name, DATALINK_CLASS_IPTUN, &linkid); 2687 if (status == DLADM_STATUS_OK) { 2688 status = dladm_set_linkprop(dlh, linkid, propname, &value, 1, 2689 DLADM_OPT_ACTIVE); 2690 } 2691 if (status != DLADM_STATUS_OK) 2692 dladmerr_exit(status, name); 2693 return (0); 2694 } 2695 2696 /* Set tunnel encapsulation limit. */ 2697 /* ARGSUSED */ 2698 static int 2699 set_tun_encap_limit(char *arg, int64_t param) 2700 { 2701 return (set_tun_prop("encaplimit", arg)); 2702 } 2703 2704 /* Disable encapsulation limit. */ 2705 /* ARGSUSED */ 2706 static int 2707 clr_tun_encap_limit(char *arg, int64_t param) 2708 { 2709 return (set_tun_encap_limit("-1", 0)); 2710 } 2711 2712 /* Set tunnel hop limit. */ 2713 /* ARGSUSED */ 2714 static int 2715 set_tun_hop_limit(char *arg, int64_t param) 2716 { 2717 return (set_tun_prop("hoplimit", arg)); 2718 } 2719 2720 /* Set zone ID */ 2721 static int 2722 setzone(char *arg, int64_t param) 2723 { 2724 zoneid_t zoneid = GLOBAL_ZONEID; 2725 2726 if (param == NEXTARG) { 2727 /* zone must be active */ 2728 if ((zoneid = getzoneidbyname(arg)) == -1) { 2729 (void) fprintf(stderr, 2730 "ifconfig: unknown zone '%s'\n", arg); 2731 exit(1); 2732 } 2733 } 2734 (void) strlcpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 2735 lifr.lifr_zoneid = zoneid; 2736 if (ioctl(s, SIOCSLIFZONE, (caddr_t)&lifr) == -1) 2737 Perror0_exit("SIOCSLIFZONE"); 2738 return (0); 2739 } 2740 2741 /* Put interface into all zones */ 2742 /* ARGSUSED */ 2743 static int 2744 setallzones(char *arg, int64_t param) 2745 { 2746 (void) strlcpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 2747 lifr.lifr_zoneid = ALL_ZONES; 2748 if (ioctl(s, SIOCSLIFZONE, (caddr_t)&lifr) == -1) 2749 Perror0_exit("SIOCSLIFZONE"); 2750 return (0); 2751 } 2752 2753 /* Set source address to use */ 2754 /* ARGSUSED */ 2755 static int 2756 setifsrc(char *arg, int64_t param) 2757 { 2758 uint_t ifindex = 0; 2759 int rval; 2760 2761 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 2762 2763 /* 2764 * Argument can be either an interface name or "none". The latter means 2765 * that any previous selection is cleared. 2766 */ 2767 2768 if (strchr(arg, ':') != NULL) { 2769 (void) fprintf(stderr, 2770 "ifconfig: Cannot specify logical interface for usesrc \n"); 2771 exit(1); 2772 } 2773 2774 rval = strcmp(arg, NONE_STR); 2775 if (rval != 0) { 2776 if ((ifindex = if_nametoindex(arg)) == 0) { 2777 (void) strncpy(lifr.lifr_name, arg, LIFNAMSIZ); 2778 Perror0_exit("Could not get interface index"); 2779 } 2780 lifr.lifr_index = ifindex; 2781 } else { 2782 if (ioctl(s, SIOCGLIFUSESRC, (caddr_t)&lifr) != 0) 2783 Perror0_exit("Not a valid usesrc consumer"); 2784 lifr.lifr_index = 0; 2785 } 2786 2787 if (debug) 2788 (void) printf("setifsrc: lifr_name %s, lifr_index %d\n", 2789 lifr.lifr_name, lifr.lifr_index); 2790 2791 if (ioctl(s, SIOCSLIFUSESRC, (caddr_t)&lifr) == -1) { 2792 if (rval == 0) 2793 Perror0_exit("Cannot reset usesrc group"); 2794 else 2795 Perror0_exit("Could not set source interface"); 2796 } 2797 2798 return (0); 2799 } 2800 2801 /* 2802 * Print the interface status line associated with `ifname' 2803 */ 2804 static void 2805 ifstatus(const char *ifname) 2806 { 2807 uint64_t flags; 2808 char if_usesrc_name[LIFNAMSIZ]; 2809 char *newbuf; 2810 int n, numifs, rval = 0; 2811 struct lifreq *lifrp; 2812 struct lifsrcof lifs; 2813 2814 (void) strncpy(lifr.lifr_name, ifname, sizeof (lifr.lifr_name)); 2815 if (ioctl(s, SIOCGLIFFLAGS, (caddr_t)&lifr) < 0) { 2816 Perror0_exit("status: SIOCGLIFFLAGS"); 2817 } 2818 flags = lifr.lifr_flags; 2819 2820 /* 2821 * In V4 compatibility mode, we don't print the IFF_IPV4 flag or 2822 * interfaces with IFF_IPV6 set. 2823 */ 2824 if (v4compat) { 2825 flags &= ~IFF_IPV4; 2826 if (flags & IFF_IPV6) 2827 return; 2828 } 2829 2830 (void) printf("%s: ", ifname); 2831 print_flags(flags); 2832 2833 (void) strncpy(lifr.lifr_name, ifname, sizeof (lifr.lifr_name)); 2834 if (ioctl(s, SIOCGLIFMETRIC, (caddr_t)&lifr) < 0) { 2835 Perror0_exit("status: SIOCGLIFMETRIC"); 2836 } else { 2837 if (lifr.lifr_metric) 2838 (void) printf(" metric %d", lifr.lifr_metric); 2839 } 2840 if (ioctl(s, SIOCGLIFMTU, (caddr_t)&lifr) >= 0) 2841 (void) printf(" mtu %u", lifr.lifr_mtu); 2842 2843 /* don't print index or zone when in compatibility mode */ 2844 if (!v4compat) { 2845 if (ioctl(s, SIOCGLIFINDEX, (caddr_t)&lifr) >= 0) 2846 (void) printf(" index %d", lifr.lifr_index); 2847 /* 2848 * Stack instances use GLOBAL_ZONEID for IP data structures 2849 * even in the non-global zone. 2850 */ 2851 if (ioctl(s, SIOCGLIFZONE, (caddr_t)&lifr) >= 0 && 2852 lifr.lifr_zoneid != getzoneid() && 2853 lifr.lifr_zoneid != GLOBAL_ZONEID) { 2854 char zone_name[ZONENAME_MAX]; 2855 2856 if (lifr.lifr_zoneid == ALL_ZONES) { 2857 (void) printf("\n\tall-zones"); 2858 } else if (getzonenamebyid(lifr.lifr_zoneid, zone_name, 2859 sizeof (zone_name)) < 0) { 2860 (void) printf("\n\tzone %d", lifr.lifr_zoneid); 2861 } else { 2862 (void) printf("\n\tzone %s", zone_name); 2863 } 2864 } 2865 } 2866 2867 if (ioctl(s, SIOCGLIFINDEX, (caddr_t)&lifr) >= 0) { 2868 lifs.lifs_ifindex = lifr.lifr_index; 2869 2870 /* 2871 * Find the number of interfaces that use this interfaces' 2872 * address as a source address 2873 */ 2874 lifs.lifs_buf = NULL; 2875 lifs.lifs_maxlen = 0; 2876 for (;;) { 2877 /* The first pass will give the bufsize we need */ 2878 rval = ioctl(s, SIOCGLIFSRCOF, (char *)&lifs); 2879 if (rval < 0) { 2880 if (lifs.lifs_buf != NULL) { 2881 free(lifs.lifs_buf); 2882 lifs.lifs_buf = NULL; 2883 } 2884 lifs.lifs_len = 0; 2885 break; 2886 } 2887 if (lifs.lifs_len <= lifs.lifs_maxlen) 2888 break; 2889 /* Use kernel's size + a small margin to avoid loops */ 2890 lifs.lifs_maxlen = lifs.lifs_len + 2891 5 * sizeof (struct lifreq); 2892 /* For the first pass, realloc acts like malloc */ 2893 newbuf = realloc(lifs.lifs_buf, lifs.lifs_maxlen); 2894 if (newbuf == NULL) { 2895 if (lifs.lifs_buf != NULL) { 2896 free(lifs.lifs_buf); 2897 lifs.lifs_buf = NULL; 2898 } 2899 lifs.lifs_len = 0; 2900 break; 2901 } 2902 lifs.lifs_buf = newbuf; 2903 } 2904 2905 2906 numifs = lifs.lifs_len / sizeof (struct lifreq); 2907 if (numifs > 0) { 2908 lifrp = lifs.lifs_req; 2909 (void) printf("\n\tsrcof"); 2910 for (n = numifs; n > 0; n--, lifrp++) { 2911 (void) printf(" %s", lifrp->lifr_name); 2912 } 2913 } 2914 2915 if (lifs.lifs_buf != NULL) 2916 free(lifs.lifs_buf); 2917 } 2918 2919 /* Find the interface whose source address this interface uses */ 2920 if (ioctl(s, SIOCGLIFUSESRC, (caddr_t)&lifr) == 0) { 2921 if (lifr.lifr_index != 0) { 2922 if (if_indextoname(lifr.lifr_index, 2923 if_usesrc_name) == NULL) { 2924 (void) printf("\n\tusesrc ifIndex %d", 2925 lifr.lifr_index); 2926 } else { 2927 (void) printf("\n\tusesrc %s", if_usesrc_name); 2928 } 2929 } 2930 } 2931 2932 (void) putchar('\n'); 2933 } 2934 2935 /* 2936 * Print the status of the interface. If an address family was 2937 * specified, show it and it only; otherwise, show them all. 2938 */ 2939 static void 2940 status(void) 2941 { 2942 struct afswtch *p = afp; 2943 uint64_t flags; 2944 datalink_id_t linkid; 2945 2946 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 2947 if (ioctl(s, SIOCGLIFFLAGS, (caddr_t)&lifr) < 0) { 2948 Perror0_exit("status: SIOCGLIFFLAGS"); 2949 } 2950 2951 flags = lifr.lifr_flags; 2952 2953 /* 2954 * Only print the interface status if the address family matches 2955 * the interface family flag. 2956 */ 2957 if (p != NULL) { 2958 if (((p->af_af == AF_INET6) && (flags & IFF_IPV4)) || 2959 ((p->af_af == AF_INET) && (flags & IFF_IPV6))) 2960 return; 2961 } 2962 2963 /* 2964 * In V4 compatibility mode, don't print IFF_IPV6 interfaces. 2965 */ 2966 if (v4compat && (flags & IFF_IPV6)) 2967 return; 2968 2969 ifstatus(name); 2970 2971 if (ifconfig_dladm_open(name, DATALINK_CLASS_IPTUN, &linkid) == 2972 DLADM_STATUS_OK) 2973 tun_status(linkid); 2974 2975 if (p != NULL) { 2976 (*p->af_status)(1, flags); 2977 } else { 2978 for (p = afs; p->af_name; p++) { 2979 /* set global af for use in p->af_status */ 2980 af = p->af_af; 2981 (*p->af_status)(0, flags); 2982 } 2983 2984 /* 2985 * Historically, 'ether' has been an address family, 2986 * so print it here. 2987 */ 2988 print_ifether(name); 2989 } 2990 } 2991 2992 /* 2993 * Print the status of the interface in a format that can be used to 2994 * reconfigure the interface later. Code stolen from status() above. 2995 */ 2996 /* ARGSUSED */ 2997 static int 2998 configinfo(char *null, int64_t param) 2999 { 3000 char *cp; 3001 struct afswtch *p = afp; 3002 uint64_t flags; 3003 char lifname[LIFNAMSIZ]; 3004 char if_usesrc_name[LIFNAMSIZ]; 3005 3006 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3007 3008 if (ioctl(s, SIOCGLIFFLAGS, (caddr_t)&lifr) < 0) { 3009 Perror0_exit("status: SIOCGLIFFLAGS"); 3010 } 3011 flags = lifr.lifr_flags; 3012 3013 if (debug) { 3014 (void) printf("configinfo: name %s flags 0x%llx af_af %d\n", 3015 name, flags, p != NULL ? p->af_af : -1); 3016 } 3017 3018 /* 3019 * Build the interface name to print (we can't directly use `name' 3020 * because one cannot "plumb" ":0" interfaces). 3021 */ 3022 (void) strlcpy(lifname, name, LIFNAMSIZ); 3023 if ((cp = strchr(lifname, ':')) != NULL && atoi(cp + 1) == 0) 3024 *cp = '\0'; 3025 3026 /* 3027 * if the interface is IPv4 3028 * if we have a IPv6 address family restriction return 3029 * so it won't print 3030 * if we are in IPv4 compatibility mode, clear out IFF_IPV4 3031 * so we don't print it. 3032 */ 3033 if (flags & IFF_IPV4) { 3034 if (p && p->af_af == AF_INET6) 3035 return (-1); 3036 if (v4compat) 3037 flags &= ~IFF_IPV4; 3038 3039 (void) printf("%s inet plumb", lifname); 3040 } else if (flags & IFF_IPV6) { 3041 /* 3042 * else if the interface is IPv6 3043 * if we have a IPv4 address family restriction return 3044 * or we are in IPv4 compatibiltiy mode, return. 3045 */ 3046 if (p && p->af_af == AF_INET) 3047 return (-1); 3048 if (v4compat) 3049 return (-1); 3050 3051 (void) printf("%s inet6 plumb", lifname); 3052 } 3053 3054 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3055 if (ioctl(s, SIOCGLIFMETRIC, (caddr_t)&lifr) < 0) { 3056 Perror0_exit("configinfo: SIOCGLIFMETRIC"); 3057 } else { 3058 if (lifr.lifr_metric) 3059 (void) printf(" metric %d ", lifr.lifr_metric); 3060 } 3061 if (((flags & (IFF_VIRTUAL|IFF_LOOPBACK)) != IFF_VIRTUAL) && 3062 ioctl(s, SIOCGLIFMTU, (caddr_t)&lifr) >= 0) 3063 (void) printf(" mtu %d", lifr.lifr_metric); 3064 3065 /* Index only applies to the zeroth interface */ 3066 if (lifnum(name) == 0) { 3067 if (ioctl(s, SIOCGLIFINDEX, (caddr_t)&lifr) >= 0) 3068 (void) printf(" index %d", lifr.lifr_index); 3069 } 3070 3071 if (ioctl(s, SIOCGLIFUSESRC, (caddr_t)&lifr) == 0) { 3072 if (lifr.lifr_index != 0) { 3073 if (if_indextoname(lifr.lifr_index, 3074 if_usesrc_name) != NULL) { 3075 (void) printf(" usesrc %s", if_usesrc_name); 3076 } 3077 } 3078 } 3079 3080 if (p != NULL) { 3081 (*p->af_configinfo)(1, flags); 3082 } else { 3083 for (p = afs; p->af_name; p++) { 3084 (void) close(s); 3085 s = socket(SOCKET_AF(p->af_af), SOCK_DGRAM, 0); 3086 /* set global af for use in p->af_configinfo */ 3087 af = p->af_af; 3088 if (s == -1) { 3089 Perror0_exit("socket"); 3090 } 3091 (*p->af_configinfo)(0, flags); 3092 } 3093 } 3094 3095 (void) putchar('\n'); 3096 return (0); 3097 } 3098 3099 static void 3100 print_tsec(iptun_params_t *params) 3101 { 3102 ipsec_req_t *ipsr; 3103 3104 (void) printf("\ttunnel security settings "); 3105 if (!(params->iptun_param_flags & IPTUN_PARAM_SECINFO)) { 3106 (void) printf("--> use 'ipsecconf -ln -i %s'", name); 3107 } else { 3108 ipsr = ¶ms->iptun_param_secinfo; 3109 if (ipsr->ipsr_ah_req & IPSEC_PREF_REQUIRED) { 3110 (void) printf("ah (%s) ", 3111 rparsealg(ipsr->ipsr_auth_alg, IPSEC_PROTO_AH)); 3112 } 3113 if (ipsr->ipsr_esp_req & IPSEC_PREF_REQUIRED) { 3114 (void) printf("esp (%s", 3115 rparsealg(ipsr->ipsr_esp_alg, IPSEC_PROTO_ESP)); 3116 (void) printf("/%s)", 3117 rparsealg(ipsr->ipsr_esp_auth_alg, IPSEC_PROTO_AH)); 3118 } 3119 } 3120 (void) printf("\n"); 3121 } 3122 3123 static void 3124 tun_status(datalink_id_t linkid) 3125 { 3126 iptun_params_t params; 3127 char propval[DLADM_PROP_VAL_MAX]; 3128 char *valptr[1]; 3129 uint_t valcnt = 1; 3130 boolean_t tabbed = _B_FALSE; 3131 3132 params.iptun_param_linkid = linkid; 3133 3134 /* If dladm_iptun_getparams() fails, assume we are not a tunnel. */ 3135 assert(dlh_opened); 3136 if (dladm_iptun_getparams(dlh, ¶ms, DLADM_OPT_ACTIVE) != 3137 DLADM_STATUS_OK) 3138 return; 3139 3140 switch (params.iptun_param_type) { 3141 case IPTUN_TYPE_IPV4: 3142 case IPTUN_TYPE_6TO4: 3143 (void) printf("\tinet"); 3144 break; 3145 case IPTUN_TYPE_IPV6: 3146 (void) printf("\tinet6"); 3147 break; 3148 default: 3149 dladmerr_exit(DLADM_STATUS_IPTUNTYPE, name); 3150 break; 3151 } 3152 3153 /* 3154 * There is always a source address. If it hasn't been explicitly 3155 * set, the API will pass back a buffer containing the unspecified 3156 * address. 3157 */ 3158 (void) printf(" tunnel src %s ", params.iptun_param_laddr); 3159 3160 if (params.iptun_param_flags & IPTUN_PARAM_RADDR) 3161 (void) printf("tunnel dst %s\n", params.iptun_param_raddr); 3162 else 3163 (void) putchar('\n'); 3164 3165 if (params.iptun_param_flags & IPTUN_PARAM_IPSECPOL) 3166 print_tsec(¶ms); 3167 3168 valptr[0] = propval; 3169 if (dladm_get_linkprop(dlh, linkid, DLADM_PROP_VAL_CURRENT, "hoplimit", 3170 (char **)valptr, &valcnt) == DLADM_STATUS_OK) { 3171 (void) printf("\ttunnel hop limit %s ", propval); 3172 tabbed = _B_TRUE; 3173 } 3174 3175 if (dladm_get_linkprop(dlh, linkid, DLADM_PROP_VAL_CURRENT, 3176 "encaplimit", (char **)valptr, &valcnt) == DLADM_STATUS_OK) { 3177 uint32_t elim; 3178 3179 if (!tabbed) { 3180 (void) putchar('\t'); 3181 tabbed = _B_TRUE; 3182 } 3183 elim = strtol(propval, NULL, 10); 3184 if (elim > 0) 3185 (void) printf("tunnel encapsulation limit %s", propval); 3186 else 3187 (void) printf("tunnel encapsulation limit disabled"); 3188 } 3189 3190 if (tabbed) 3191 (void) putchar('\n'); 3192 } 3193 3194 static void 3195 in_status(int force, uint64_t flags) 3196 { 3197 struct sockaddr_in *sin, *laddr; 3198 struct sockaddr_in netmask = { AF_INET }; 3199 3200 if (debug) 3201 (void) printf("in_status(%s) flags 0x%llx\n", name, flags); 3202 3203 /* only print status for IPv4 interfaces */ 3204 if (!(flags & IFF_IPV4)) 3205 return; 3206 3207 if (!(flags & IFF_NOLOCAL)) { 3208 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3209 if (ioctl(s, SIOCGLIFADDR, (caddr_t)&lifr) < 0) { 3210 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT || 3211 errno == ENXIO) { 3212 if (!force) 3213 return; 3214 (void) memset(&lifr.lifr_addr, 0, 3215 sizeof (lifr.lifr_addr)); 3216 } else 3217 Perror0_exit("in_status: SIOCGLIFADDR"); 3218 } 3219 sin = (struct sockaddr_in *)&lifr.lifr_addr; 3220 (void) printf("\tinet %s ", inet_ntoa(sin->sin_addr)); 3221 laddr = sin; 3222 } else { 3223 (void) printf("\tinet "); 3224 } 3225 3226 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3227 if (ioctl(s, SIOCGLIFSUBNET, (caddr_t)&lifr) < 0) { 3228 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT || 3229 errno == ENXIO) { 3230 if (!force) 3231 return; 3232 (void) memset(&lifr.lifr_addr, 0, 3233 sizeof (lifr.lifr_addr)); 3234 } else { 3235 Perror0_exit("in_status: SIOCGLIFSUBNET"); 3236 } 3237 } 3238 sin = (struct sockaddr_in *)&lifr.lifr_addr; 3239 if ((flags & IFF_NOLOCAL) || 3240 sin->sin_addr.s_addr != laddr->sin_addr.s_addr) { 3241 (void) printf("subnet %s/%d ", inet_ntoa(sin->sin_addr), 3242 lifr.lifr_addrlen); 3243 } 3244 if (sin->sin_family != AF_INET) { 3245 (void) printf("Wrong family: %d\n", sin->sin_family); 3246 } 3247 3248 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3249 if (ioctl(s, SIOCGLIFNETMASK, (caddr_t)&lifr) < 0) { 3250 if (errno != EADDRNOTAVAIL) 3251 Perror0_exit("in_status: SIOCGLIFNETMASK"); 3252 (void) memset(&lifr.lifr_addr, 0, sizeof (lifr.lifr_addr)); 3253 } else 3254 netmask.sin_addr = 3255 ((struct sockaddr_in *)&lifr.lifr_addr)->sin_addr; 3256 if (flags & IFF_POINTOPOINT) { 3257 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3258 if (ioctl(s, SIOCGLIFDSTADDR, (caddr_t)&lifr) < 0) { 3259 if (errno == EADDRNOTAVAIL) 3260 (void) memset(&lifr.lifr_addr, 0, 3261 sizeof (lifr.lifr_addr)); 3262 else 3263 Perror0_exit("in_status: SIOCGLIFDSTADDR"); 3264 } 3265 sin = (struct sockaddr_in *)&lifr.lifr_dstaddr; 3266 (void) printf("--> %s ", inet_ntoa(sin->sin_addr)); 3267 } 3268 (void) printf("netmask %x ", ntohl(netmask.sin_addr.s_addr)); 3269 if (flags & IFF_BROADCAST) { 3270 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3271 if (ioctl(s, SIOCGLIFBRDADDR, (caddr_t)&lifr) < 0) { 3272 if (errno == EADDRNOTAVAIL) 3273 (void) memset(&lifr.lifr_addr, 0, 3274 sizeof (lifr.lifr_addr)); 3275 else 3276 Perror0_exit("in_status: SIOCGLIFBRDADDR"); 3277 } 3278 sin = (struct sockaddr_in *)&lifr.lifr_addr; 3279 if (sin->sin_addr.s_addr != 0) { 3280 (void) printf("broadcast %s", 3281 inet_ntoa(sin->sin_addr)); 3282 } 3283 } 3284 /* If there is a groupname, print it for only the physical interface */ 3285 if (strchr(name, ':') == NULL) { 3286 if (ioctl(s, SIOCGLIFGROUPNAME, &lifr) >= 0 && 3287 lifr.lifr_groupname[0] != '\0') { 3288 (void) printf("\n\tgroupname %s", lifr.lifr_groupname); 3289 } 3290 } 3291 (void) putchar('\n'); 3292 } 3293 3294 static void 3295 in6_status(int force, uint64_t flags) 3296 { 3297 char abuf[INET6_ADDRSTRLEN]; 3298 struct sockaddr_in6 *sin6, *laddr6; 3299 3300 if (debug) 3301 (void) printf("in6_status(%s) flags 0x%llx\n", name, flags); 3302 3303 if (!(flags & IFF_IPV6)) 3304 return; 3305 3306 if (!(flags & IFF_NOLOCAL)) { 3307 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3308 if (ioctl(s, SIOCGLIFADDR, (caddr_t)&lifr) < 0) { 3309 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT || 3310 errno == ENXIO) { 3311 if (!force) 3312 return; 3313 (void) memset(&lifr.lifr_addr, 0, 3314 sizeof (lifr.lifr_addr)); 3315 } else 3316 Perror0_exit("in_status6: SIOCGLIFADDR"); 3317 } 3318 sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 3319 (void) printf("\tinet6 %s/%d ", 3320 inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 3321 abuf, sizeof (abuf)), 3322 lifr.lifr_addrlen); 3323 laddr6 = sin6; 3324 } else { 3325 (void) printf("\tinet6 "); 3326 } 3327 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3328 if (ioctl(s, SIOCGLIFSUBNET, (caddr_t)&lifr) < 0) { 3329 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT || 3330 errno == ENXIO) { 3331 if (!force) 3332 return; 3333 (void) memset(&lifr.lifr_addr, 0, 3334 sizeof (lifr.lifr_addr)); 3335 } else 3336 Perror0_exit("in_status6: SIOCGLIFSUBNET"); 3337 } 3338 sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 3339 if ((flags & IFF_NOLOCAL) || 3340 !IN6_ARE_ADDR_EQUAL(&sin6->sin6_addr, &laddr6->sin6_addr)) { 3341 (void) printf("subnet %s/%d ", 3342 inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 3343 abuf, sizeof (abuf)), 3344 lifr.lifr_addrlen); 3345 } 3346 if (sin6->sin6_family != AF_INET6) { 3347 (void) printf("Wrong family: %d\n", sin6->sin6_family); 3348 } 3349 if (flags & IFF_POINTOPOINT) { 3350 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3351 if (ioctl(s, SIOCGLIFDSTADDR, (caddr_t)&lifr) < 0) { 3352 if (errno == EADDRNOTAVAIL) 3353 (void) memset(&lifr.lifr_addr, 0, 3354 sizeof (lifr.lifr_addr)); 3355 else 3356 Perror0_exit("in_status6: SIOCGLIFDSTADDR"); 3357 } 3358 sin6 = (struct sockaddr_in6 *)&lifr.lifr_dstaddr; 3359 (void) printf("--> %s ", 3360 inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 3361 abuf, sizeof (abuf))); 3362 } 3363 if (verbose) { 3364 (void) putchar('\n'); 3365 (void) putchar('\t'); 3366 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3367 if (ioctl(s, SIOCGLIFTOKEN, (caddr_t)&lifr) < 0) { 3368 if (errno == EADDRNOTAVAIL || errno == EINVAL) 3369 (void) memset(&lifr.lifr_addr, 0, 3370 sizeof (lifr.lifr_addr)); 3371 else 3372 Perror0_exit("in_status6: SIOCGLIFTOKEN"); 3373 } else { 3374 sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 3375 (void) printf("token %s/%d ", 3376 inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 3377 abuf, sizeof (abuf)), 3378 lifr.lifr_addrlen); 3379 } 3380 if (ioctl(s, SIOCGLIFLNKINFO, (caddr_t)&lifr) < 0) { 3381 if (errno != EINVAL) { 3382 Perror0_exit("in_status6: SIOCGLIFLNKINFO"); 3383 } 3384 } else { 3385 (void) printf("maxhops %u, reachtime %u ms, " 3386 "reachretrans %u ms, maxmtu %u ", 3387 lifr.lifr_ifinfo.lir_maxhops, 3388 lifr.lifr_ifinfo.lir_reachtime, 3389 lifr.lifr_ifinfo.lir_reachretrans, 3390 lifr.lifr_ifinfo.lir_maxmtu); 3391 } 3392 } 3393 /* If there is a groupname, print it for only the physical interface */ 3394 if (strchr(name, ':') == NULL) { 3395 if (ioctl(s, SIOCGLIFGROUPNAME, &lifr) >= 0 && 3396 lifr.lifr_groupname[0] != '\0') { 3397 (void) printf("\n\tgroupname %s", lifr.lifr_groupname); 3398 } 3399 } 3400 (void) putchar('\n'); 3401 } 3402 3403 static void 3404 in_configinfo(int force, uint64_t flags) 3405 { 3406 struct sockaddr_in *sin, *laddr; 3407 struct sockaddr_in netmask = { AF_INET }; 3408 3409 if (debug) 3410 (void) printf("in_configinfo(%s) flags 0x%llx\n", name, flags); 3411 3412 /* only configinfo info for IPv4 interfaces */ 3413 if (!(flags & IFF_IPV4)) 3414 return; 3415 3416 if (!(flags & IFF_NOLOCAL)) { 3417 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3418 if (ioctl(s, SIOCGLIFADDR, (caddr_t)&lifr) < 0) { 3419 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT || 3420 errno == ENXIO) { 3421 if (!force) 3422 return; 3423 (void) memset(&lifr.lifr_addr, 0, 3424 sizeof (lifr.lifr_addr)); 3425 } else 3426 Perror0_exit("in_configinfo: SIOCGLIFADDR"); 3427 } 3428 sin = (struct sockaddr_in *)&lifr.lifr_addr; 3429 (void) printf(" set %s ", inet_ntoa(sin->sin_addr)); 3430 laddr = sin; 3431 } 3432 3433 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3434 if (ioctl(s, SIOCGLIFSUBNET, (caddr_t)&lifr) < 0) { 3435 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT || 3436 errno == ENXIO) { 3437 if (!force) 3438 return; 3439 (void) memset(&lifr.lifr_addr, 0, 3440 sizeof (lifr.lifr_addr)); 3441 } else { 3442 Perror0_exit("in_configinfo: SIOCGLIFSUBNET"); 3443 } 3444 } 3445 sin = (struct sockaddr_in *)&lifr.lifr_addr; 3446 3447 if ((flags & IFF_NOLOCAL) || 3448 sin->sin_addr.s_addr != laddr->sin_addr.s_addr) { 3449 (void) printf(" subnet %s/%d ", inet_ntoa(sin->sin_addr), 3450 lifr.lifr_addrlen); 3451 } 3452 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3453 if (ioctl(s, SIOCGLIFNETMASK, (caddr_t)&lifr) < 0) { 3454 if (errno != EADDRNOTAVAIL) 3455 Perror0_exit("in_configinfo: SIOCGLIFNETMASK"); 3456 (void) memset(&lifr.lifr_addr, 0, sizeof (lifr.lifr_addr)); 3457 } else 3458 netmask.sin_addr = 3459 ((struct sockaddr_in *)&lifr.lifr_addr)->sin_addr; 3460 if (flags & IFF_POINTOPOINT) { 3461 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3462 if (ioctl(s, SIOCGLIFDSTADDR, (caddr_t)&lifr) < 0) { 3463 if (errno == EADDRNOTAVAIL) 3464 (void) memset(&lifr.lifr_addr, 0, 3465 sizeof (lifr.lifr_addr)); 3466 else 3467 Perror0_exit("in_configinfo: SIOCGLIFDSTADDR"); 3468 } 3469 sin = (struct sockaddr_in *)&lifr.lifr_dstaddr; 3470 (void) printf(" destination %s ", inet_ntoa(sin->sin_addr)); 3471 } 3472 (void) printf(" netmask 0x%x ", ntohl(netmask.sin_addr.s_addr)); 3473 if (flags & IFF_BROADCAST) { 3474 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3475 if (ioctl(s, SIOCGLIFBRDADDR, (caddr_t)&lifr) < 0) { 3476 if (errno == EADDRNOTAVAIL) 3477 (void) memset(&lifr.lifr_addr, 0, 3478 sizeof (lifr.lifr_addr)); 3479 else 3480 Perror0_exit("in_configinfo: SIOCGLIFBRDADDR"); 3481 } 3482 sin = (struct sockaddr_in *)&lifr.lifr_addr; 3483 if (sin->sin_addr.s_addr != 0) { 3484 (void) printf(" broadcast %s ", 3485 inet_ntoa(sin->sin_addr)); 3486 } 3487 } 3488 3489 /* If there is a groupname, print it for only the zeroth interface */ 3490 if (lifnum(name) == 0) { 3491 if (ioctl(s, SIOCGLIFGROUPNAME, &lifr) >= 0 && 3492 lifr.lifr_groupname[0] != '\0') { 3493 (void) printf(" group %s ", lifr.lifr_groupname); 3494 } 3495 } 3496 3497 /* Print flags to configure */ 3498 print_config_flags(AF_INET, flags); 3499 } 3500 3501 static void 3502 in6_configinfo(int force, uint64_t flags) 3503 { 3504 char abuf[INET6_ADDRSTRLEN]; 3505 struct sockaddr_in6 *sin6, *laddr6; 3506 3507 if (debug) 3508 (void) printf("in6_configinfo(%s) flags 0x%llx\n", name, 3509 flags); 3510 3511 if (!(flags & IFF_IPV6)) 3512 return; 3513 3514 if (!(flags & IFF_NOLOCAL)) { 3515 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3516 if (ioctl(s, SIOCGLIFADDR, (caddr_t)&lifr) < 0) { 3517 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT || 3518 errno == ENXIO) { 3519 if (!force) 3520 return; 3521 (void) memset(&lifr.lifr_addr, 0, 3522 sizeof (lifr.lifr_addr)); 3523 } else 3524 Perror0_exit("in6_configinfo: SIOCGLIFADDR"); 3525 } 3526 sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 3527 (void) printf(" set %s/%d ", 3528 inet_ntop(AF_INET6, &sin6->sin6_addr, abuf, sizeof (abuf)), 3529 lifr.lifr_addrlen); 3530 laddr6 = sin6; 3531 } 3532 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3533 if (ioctl(s, SIOCGLIFSUBNET, (caddr_t)&lifr) < 0) { 3534 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT || 3535 errno == ENXIO) { 3536 if (!force) 3537 return; 3538 (void) memset(&lifr.lifr_addr, 0, 3539 sizeof (lifr.lifr_addr)); 3540 } else 3541 Perror0_exit("in6_configinfo: SIOCGLIFSUBNET"); 3542 } 3543 sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 3544 if ((flags & IFF_NOLOCAL) || 3545 !IN6_ARE_ADDR_EQUAL(&sin6->sin6_addr, &laddr6->sin6_addr)) { 3546 (void) printf(" subnet %s/%d ", 3547 inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 3548 abuf, sizeof (abuf)), 3549 lifr.lifr_addrlen); 3550 } 3551 3552 if (flags & IFF_POINTOPOINT) { 3553 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3554 if (ioctl(s, SIOCGLIFDSTADDR, (caddr_t)&lifr) < 0) { 3555 if (errno == EADDRNOTAVAIL) 3556 (void) memset(&lifr.lifr_addr, 0, 3557 sizeof (lifr.lifr_addr)); 3558 else 3559 Perror0_exit("in6_configinfo: SIOCGLIFDSTADDR"); 3560 } 3561 sin6 = (struct sockaddr_in6 *)&lifr.lifr_dstaddr; 3562 (void) printf(" destination %s ", 3563 inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 3564 abuf, sizeof (abuf))); 3565 } 3566 3567 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 3568 if (ioctl(s, SIOCGLIFTOKEN, (caddr_t)&lifr) < 0) { 3569 if (errno == EADDRNOTAVAIL || errno == EINVAL) 3570 (void) memset(&lifr.lifr_addr, 0, 3571 sizeof (lifr.lifr_addr)); 3572 else 3573 Perror0_exit("in6_configinfo: SIOCGLIFTOKEN"); 3574 } else { 3575 sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 3576 (void) printf(" token %s/%d ", 3577 inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 3578 abuf, sizeof (abuf)), 3579 lifr.lifr_addrlen); 3580 } 3581 3582 /* If there is a groupname, print it for only the zeroth interface */ 3583 if (lifnum(name) == 0) { 3584 if (ioctl(s, SIOCGLIFGROUPNAME, &lifr) >= 0 && 3585 lifr.lifr_groupname[0] != '\0') { 3586 (void) printf(" group %s ", lifr.lifr_groupname); 3587 } 3588 } 3589 3590 /* Print flags to configure */ 3591 print_config_flags(AF_INET6, flags); 3592 } 3593 3594 /* 3595 * If this is a physical interface then remove it. 3596 * If it is a logical interface name use SIOCLIFREMOVEIF to 3597 * remove it. In both cases fail if it doesn't exist. 3598 */ 3599 /* ARGSUSED */ 3600 static int 3601 inetunplumb(char *arg, int64_t param) 3602 { 3603 ipadm_status_t istatus; 3604 3605 istatus = ipadm_delete_if(iph, name, afp->af_af, IPADM_OPT_ACTIVE); 3606 if (istatus != IPADM_SUCCESS) { 3607 (void) fprintf(stderr, "ifconfig: cannot unplumb %s: %s\n", 3608 name, ipadm_status2str(istatus)); 3609 exit(1); 3610 } 3611 3612 return (0); 3613 } 3614 3615 /* 3616 * Create the interface in `name', using ipadm_create_if(). If `name' is a 3617 * logical interface or loopback interface, ipadm_create_if() uses 3618 * SIOCLIFADDIF to create it. 3619 */ 3620 /* ARGSUSED */ 3621 static int 3622 inetplumb(char *arg, int64_t param) 3623 { 3624 ipadm_status_t istatus; 3625 3626 istatus = ipadm_create_if(iph, name, afp->af_af, IPADM_OPT_ACTIVE); 3627 if (istatus != IPADM_SUCCESS) { 3628 (void) fprintf(stderr, "ifconfig: cannot plumb %s: %s\n", 3629 name, ipadm_status2str(istatus)); 3630 if (istatus != IPADM_IF_EXISTS) 3631 exit(1); 3632 } 3633 return (0); 3634 } 3635 3636 /* ARGSUSED */ 3637 static int 3638 inetipmp(char *arg, int64_t param) 3639 { 3640 int retval; 3641 3642 /* 3643 * Treat e.g. "ifconfig ipmp0:2 ipmp" as "ifconfig ipmp0:2 plumb". 3644 * Otherwise, try to create the requested IPMP interface. 3645 */ 3646 if (strchr(name, ':') != NULL) 3647 retval = inetplumb(arg, param); 3648 else 3649 retval = create_ipmp(name, afp->af_af, name, _B_FALSE); 3650 3651 /* 3652 * We'd return -1, but foreachinterface() doesn't propagate the error 3653 * into the exit status, so we're forced to explicitly exit(). 3654 */ 3655 if (retval == -1) 3656 exit(1); 3657 return (0); 3658 } 3659 3660 /* 3661 * Create an IPMP group `grname' with address family `af'. If `ifname' is 3662 * non-NULL, it specifies the interface name to use. Otherwise, use the name 3663 * ipmpN, where N corresponds to the lowest available integer. If `implicit' 3664 * is set, then the group is being created as a side-effect of placing an 3665 * underlying interface in a group. Also start in.mpathd if necessary. 3666 */ 3667 static int 3668 create_ipmp(const char *grname, int af, const char *ifname, boolean_t implicit) 3669 { 3670 static int ipmp_daemon_started; 3671 uint32_t flags = IPADM_OPT_IPMP|IPADM_OPT_ACTIVE; 3672 ipadm_status_t istatus; 3673 3674 if (debug) { 3675 (void) printf("create_ipmp: ifname %s grname %s af %d\n", 3676 ifname != NULL ? ifname : "NULL", grname, af); 3677 } 3678 3679 /* 3680 * ipadm_create_if() creates the IPMP interface and fills in the 3681 * ppa in lifr.lifr_name, if `ifname'="ipmp". 3682 */ 3683 (void) strlcpy(lifr.lifr_name, (ifname ? ifname : "ipmp"), 3684 sizeof (lifr.lifr_name)); 3685 if (ifname == NULL) 3686 flags |= IPADM_OPT_GENPPA; 3687 istatus = ipadm_create_if(iph, lifr.lifr_name, af, flags); 3688 if (istatus != IPADM_SUCCESS) { 3689 (void) fprintf(stderr, "ifconfig: cannot create IPMP interface " 3690 "%s: %s\n", grname, ipadm_status2str(istatus)); 3691 return (-1); 3692 } 3693 3694 /* 3695 * To preserve backward-compatibility, always bring up the link-local 3696 * address for implicitly-created IPv6 IPMP interfaces. 3697 */ 3698 if (implicit && af == AF_INET6) { 3699 if (ioctl(s6, SIOCGLIFFLAGS, &lifr) == 0) { 3700 lifr.lifr_flags |= IFF_UP; 3701 (void) ioctl(s6, SIOCSLIFFLAGS, &lifr); 3702 } 3703 } 3704 3705 /* 3706 * If the caller requested a different group name, issue a 3707 * SIOCSLIFGROUPNAME on the new IPMP interface. 3708 */ 3709 if (strcmp(lifr.lifr_name, grname) != 0) { 3710 (void) strlcpy(lifr.lifr_groupname, grname, LIFGRNAMSIZ); 3711 if (ioctl(s, SIOCSLIFGROUPNAME, &lifr) == -1) { 3712 Perror0("SIOCSLIFGROUPNAME"); 3713 return (-1); 3714 } 3715 } 3716 3717 /* 3718 * If we haven't done so yet, ensure in.mpathd is started. 3719 */ 3720 if (ipmp_daemon_started++ == 0) 3721 start_ipmp_daemon(); 3722 3723 return (0); 3724 } 3725 3726 /* 3727 * Start in.mpathd if it's not already running. 3728 */ 3729 static void 3730 start_ipmp_daemon(void) 3731 { 3732 int retval; 3733 ipmp_handle_t ipmp_handle; 3734 3735 /* 3736 * Ping in.mpathd to see if it's running already. 3737 */ 3738 if ((retval = ipmp_open(&ipmp_handle)) != IPMP_SUCCESS) { 3739 (void) fprintf(stderr, "ifconfig: cannot create IPMP handle: " 3740 "%s\n", ipmp_errmsg(retval)); 3741 return; 3742 } 3743 3744 retval = ipmp_ping_daemon(ipmp_handle); 3745 ipmp_close(ipmp_handle); 3746 3747 switch (retval) { 3748 case IPMP_ENOMPATHD: 3749 break; 3750 case IPMP_SUCCESS: 3751 return; 3752 default: 3753 (void) fprintf(stderr, "ifconfig: cannot ping in.mpathd: %s\n", 3754 ipmp_errmsg(retval)); 3755 break; 3756 } 3757 3758 /* 3759 * Start in.mpathd. Note that in.mpathd will handle multiple 3760 * incarnations (ipmp_ping_daemon() is just an optimization) so we 3761 * don't need to worry about racing with another ifconfig process. 3762 */ 3763 switch (fork()) { 3764 case -1: 3765 Perror0_exit("start_ipmp_daemon: fork"); 3766 /* NOTREACHED */ 3767 case 0: 3768 (void) execl(MPATHD_PATH, MPATHD_PATH, NULL); 3769 _exit(1); 3770 /* NOTREACHED */ 3771 default: 3772 break; 3773 } 3774 } 3775 3776 /* 3777 * Bring the address named by `ifaddrp' up or down. Doesn't trust any mutable 3778 * values in ia_flags since they may be stale. 3779 */ 3780 static boolean_t 3781 ifaddr_op(ifaddrlistx_t *ifaddrp, boolean_t up) 3782 { 3783 struct lifreq lifrl; /* Local lifreq struct */ 3784 int fd = (ifaddrp->ia_flags & IFF_IPV4) ? s4 : s6; 3785 3786 (void) memset(&lifrl, 0, sizeof (lifrl)); 3787 (void) strlcpy(lifrl.lifr_name, ifaddrp->ia_name, LIFNAMSIZ); 3788 if (ioctl(fd, SIOCGLIFFLAGS, &lifrl) == -1) 3789 return (_B_FALSE); 3790 3791 if (up) 3792 lifrl.lifr_flags |= IFF_UP; 3793 else 3794 lifrl.lifr_flags &= ~IFF_UP; 3795 3796 if (ioctl(fd, SIOCSLIFFLAGS, &lifrl) == -1) 3797 return (_B_FALSE); 3798 3799 /* 3800 * If we're trying to bring the address down, ensure that DAD activity 3801 * (observable by IFF_DUPLICATE) has also been stopped. 3802 */ 3803 if (!up && ioctl(fd, SIOCGLIFFLAGS, &lifrl) != -1 && 3804 lifrl.lifr_flags & IFF_DUPLICATE) { 3805 if (ioctl(fd, SIOCGLIFADDR, &lifrl) == -1 || 3806 ioctl(fd, SIOCSLIFADDR, &lifrl) == -1) { 3807 return (_B_FALSE); 3808 } 3809 } 3810 return (_B_TRUE); 3811 } 3812 3813 static boolean_t 3814 ifaddr_up(ifaddrlistx_t *ifaddrp) 3815 { 3816 return (ifaddr_op(ifaddrp, _B_TRUE)); 3817 } 3818 3819 static boolean_t 3820 ifaddr_down(ifaddrlistx_t *ifaddrp) 3821 { 3822 return (ifaddr_op(ifaddrp, _B_FALSE)); 3823 } 3824 3825 /* 3826 * Open the global libdladm handle "dlh" if it isn't already opened. The 3827 * caller may optionally supply a link name to obtain its linkid. If a link 3828 * of a specific class or classes is required, reqclass specifies the class 3829 * mask. 3830 */ 3831 static dladm_status_t 3832 ifconfig_dladm_open(const char *name, datalink_class_t reqclass, 3833 datalink_id_t *linkid) 3834 { 3835 dladm_status_t status = DLADM_STATUS_OK; 3836 datalink_class_t class; 3837 3838 if (!dlh_opened) { 3839 if ((status = dladm_open(&dlh)) != DLADM_STATUS_OK) 3840 return (status); 3841 dlh_opened = _B_TRUE; 3842 } 3843 if (name != NULL) { 3844 status = dladm_name2info(dlh, name, linkid, NULL, &class, NULL); 3845 if (status == DLADM_STATUS_OK) { 3846 if (!(class & reqclass)) 3847 status = DLADM_STATUS_LINKINVAL; 3848 } 3849 } 3850 return (status); 3851 } 3852 3853 /* 3854 * This function checks if we can use libipadm API's. We will only 3855 * call libipadm functions for non-IPMP interfaces. This check is 3856 * temporary until libipadm supports IPMP interfaces. 3857 */ 3858 static boolean_t 3859 ifconfig_use_libipadm(int s, const char *lifname) 3860 { 3861 struct lifreq lifr1; 3862 3863 (void) strlcpy(lifr1.lifr_name, lifname, sizeof (lifr1.lifr_name)); 3864 if (ioctl(s, SIOCGLIFGROUPNAME, (caddr_t)&lifr1) < 0) { 3865 (void) strncpy(lifr.lifr_name, lifname, 3866 sizeof (lifr.lifr_name)); 3867 Perror0_exit("error"); 3868 } 3869 3870 return (lifr1.lifr_groupname[0] == '\0'); 3871 } 3872 3873 static void 3874 ipadmerr_exit(ipadm_status_t status, const char *str) 3875 { 3876 (void) fprintf(stderr, "ifconfig: %s: %s\n", str, 3877 ipadm_status2str(status)); 3878 exit(1); 3879 } 3880 3881 static void 3882 dladmerr_exit(dladm_status_t status, const char *str) 3883 { 3884 char errstr[DLADM_STRSIZE]; 3885 3886 (void) fprintf(stderr, "%s: %s\n", str, 3887 dladm_status2str(status, errstr)); 3888 exit(1); 3889 } 3890 3891 void 3892 Perror0(const char *cmd) 3893 { 3894 Perror2(cmd, lifr.lifr_name); 3895 } 3896 3897 void 3898 Perror0_exit(const char *cmd) 3899 { 3900 Perror0(cmd); 3901 exit(1); 3902 } 3903 3904 void 3905 Perror2(const char *cmd, const char *str) 3906 { 3907 int error = errno; 3908 3909 (void) fprintf(stderr, "ifconfig: %s: ", cmd); 3910 3911 switch (error) { 3912 case ENXIO: 3913 (void) fprintf(stderr, "%s: no such interface\n", str); 3914 break; 3915 case EPERM: 3916 (void) fprintf(stderr, "%s: permission denied\n", str); 3917 break; 3918 case EEXIST: 3919 (void) fprintf(stderr, "%s: already exists\n", str); 3920 break; 3921 case ENAMETOOLONG: 3922 (void) fprintf(stderr, "%s: interface name too long\n", str); 3923 break; 3924 case ERANGE: 3925 (void) fprintf(stderr, "%s: logical interface id is outside " 3926 "allowed range\n", str); 3927 break; 3928 default: 3929 errno = error; 3930 perror(str); 3931 } 3932 } 3933 3934 /* 3935 * Print out error message (Perror2()) and exit 3936 */ 3937 void 3938 Perror2_exit(const char *cmd, const char *str) 3939 { 3940 Perror2(cmd, str); 3941 exit(1); 3942 /* NOTREACHED */ 3943 } 3944 3945 void 3946 Perrdlpi(const char *cmd, const char *linkname, int err) 3947 { 3948 (void) fprintf(stderr, "ifconfig: %s \"%s\": %s\n", cmd, 3949 linkname, dlpi_strerror(err)); 3950 } 3951 3952 /* 3953 * Print out error message (Perrdlpi()) and exit 3954 */ 3955 void 3956 Perrdlpi_exit(const char *cmd, const char *linkname, int err) 3957 { 3958 Perrdlpi(cmd, linkname, err); 3959 exit(1); 3960 } 3961 3962 /* 3963 * If the last argument is non-NULL allow a <addr>/<n> syntax and 3964 * pass out <n> in *plenp. 3965 * If <n> doesn't parse return BAD_ADDR as *plenp. 3966 * If no /<n> is present return NO_PREFIX as *plenp. 3967 */ 3968 static void 3969 in_getaddr(char *s, struct sockaddr *saddr, int *plenp) 3970 { 3971 /* LINTED: alignment */ 3972 struct sockaddr_in *sin = (struct sockaddr_in *)saddr; 3973 struct hostent *hp; 3974 struct netent *np; 3975 char str[BUFSIZ]; 3976 int error_num; 3977 3978 (void) strncpy(str, s, sizeof (str)); 3979 3980 /* 3981 * Look for '/'<n> is plenp 3982 */ 3983 if (plenp != NULL) { 3984 char *cp; 3985 3986 *plenp = in_getprefixlen(str, _B_TRUE, IP_ABITS); 3987 if (*plenp == BAD_ADDR) 3988 return; 3989 cp = strchr(str, '/'); 3990 if (cp != NULL) 3991 *cp = '\0'; 3992 } else if (strchr(str, '/') != NULL) { 3993 (void) fprintf(stderr, "ifconfig: %s: unexpected '/'\n", str); 3994 exit(1); 3995 } 3996 3997 (void) memset(sin, 0, sizeof (*sin)); 3998 3999 /* 4000 * Try to catch attempts to set the broadcast address to all 1's. 4001 */ 4002 if (strcmp(str, "255.255.255.255") == 0 || 4003 (strtoul(str, (char **)NULL, 0) == 0xffffffffUL)) { 4004 sin->sin_family = AF_INET; 4005 sin->sin_addr.s_addr = 0xffffffff; 4006 return; 4007 } 4008 4009 hp = getipnodebyname(str, AF_INET, 0, &error_num); 4010 if (hp) { 4011 sin->sin_family = hp->h_addrtype; 4012 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 4013 freehostent(hp); 4014 return; 4015 } 4016 np = getnetbyname(str); 4017 if (np) { 4018 sin->sin_family = np->n_addrtype; 4019 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 4020 return; 4021 } 4022 if (error_num == TRY_AGAIN) { 4023 (void) fprintf(stderr, "ifconfig: %s: bad address " 4024 "(try again later)\n", s); 4025 } else { 4026 (void) fprintf(stderr, "ifconfig: %s: bad address\n", s); 4027 } 4028 exit(1); 4029 } 4030 4031 /* 4032 * If the last argument is non-NULL allow a <addr>/<n> syntax and 4033 * pass out <n> in *plenp. 4034 * If <n> doesn't parse return BAD_ADDR as *plenp. 4035 * If no /<n> is present return NO_PREFIX as *plenp. 4036 */ 4037 static void 4038 in6_getaddr(char *s, struct sockaddr *saddr, int *plenp) 4039 { 4040 /* LINTED: alignment */ 4041 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)saddr; 4042 struct hostent *hp; 4043 char str[BUFSIZ]; 4044 int error_num; 4045 4046 (void) strncpy(str, s, sizeof (str)); 4047 4048 /* 4049 * Look for '/'<n> is plenp 4050 */ 4051 if (plenp != NULL) { 4052 char *cp; 4053 4054 *plenp = in_getprefixlen(str, _B_TRUE, IPV6_ABITS); 4055 if (*plenp == BAD_ADDR) 4056 return; 4057 cp = strchr(str, '/'); 4058 if (cp != NULL) 4059 *cp = '\0'; 4060 } else if (strchr(str, '/') != NULL) { 4061 (void) fprintf(stderr, "ifconfig: %s: unexpected '/'\n", str); 4062 exit(1); 4063 } 4064 4065 (void) memset(sin6, 0, sizeof (*sin6)); 4066 4067 hp = getipnodebyname(str, AF_INET6, 0, &error_num); 4068 if (hp) { 4069 sin6->sin6_family = hp->h_addrtype; 4070 (void) memcpy(&sin6->sin6_addr, hp->h_addr, hp->h_length); 4071 freehostent(hp); 4072 return; 4073 } 4074 if (error_num == TRY_AGAIN) { 4075 (void) fprintf(stderr, "ifconfig: %s: bad address " 4076 "(try again later)\n", s); 4077 } else { 4078 (void) fprintf(stderr, "ifconfig: %s: bad address\n", s); 4079 } 4080 exit(1); 4081 } 4082 4083 /* 4084 * If "slash" is zero this parses the whole string as 4085 * an integer. With "slash" non zero it parses the tail part as an integer. 4086 * 4087 * If it is not a valid integer this returns BAD_ADDR. 4088 * If there is /<n> present this returns NO_PREFIX. 4089 */ 4090 static int 4091 in_getprefixlen(char *addr, boolean_t slash, int max_plen) 4092 { 4093 int prefixlen; 4094 char *str, *end; 4095 4096 if (slash) { 4097 str = strchr(addr, '/'); 4098 if (str == NULL) 4099 return (NO_PREFIX); 4100 str++; 4101 } else 4102 str = addr; 4103 4104 prefixlen = strtol(str, &end, 10); 4105 if (prefixlen < 0) 4106 return (BAD_ADDR); 4107 if (str == end) 4108 return (BAD_ADDR); 4109 if (max_plen != 0 && max_plen < prefixlen) 4110 return (BAD_ADDR); 4111 return (prefixlen); 4112 } 4113 4114 /* 4115 * Convert a prefix length to a mask. 4116 * Returns 1 if ok. 0 otherwise. 4117 * Assumes the mask array is zero'ed by the caller. 4118 */ 4119 static boolean_t 4120 in_prefixlentomask(int prefixlen, int maxlen, uchar_t *mask) 4121 { 4122 if (prefixlen < 0 || prefixlen > maxlen) 4123 return (0); 4124 4125 while (prefixlen > 0) { 4126 if (prefixlen >= 8) { 4127 *mask++ = 0xFF; 4128 prefixlen -= 8; 4129 continue; 4130 } 4131 *mask |= 1 << (8 - prefixlen); 4132 prefixlen--; 4133 } 4134 return (1); 4135 } 4136 4137 static void 4138 print_flags(uint64_t flags) 4139 { 4140 boolean_t first = _B_TRUE; 4141 int cnt, i; 4142 4143 (void) printf("flags=%llx", flags); 4144 cnt = sizeof (if_flags_tbl) / sizeof (if_flags_t); 4145 for (i = 0; i < cnt; i++) { 4146 if (flags & if_flags_tbl[i].iff_value) { 4147 if (first) { 4148 (void) printf("<"); 4149 first = _B_FALSE; 4150 } else { 4151 /* 4152 * It has to be here and not with the 4153 * printf below because for the last one, 4154 * we don't want a comma before the ">". 4155 */ 4156 (void) printf(","); 4157 } 4158 (void) printf("%s", if_flags_tbl[i].iff_name); 4159 } 4160 } 4161 if (!first) 4162 (void) printf(">"); 4163 } 4164 4165 static void 4166 print_config_flags(int af, uint64_t flags) 4167 { 4168 if_config_cmd_t *cmdp; 4169 4170 for (cmdp = if_config_cmd_tbl; cmdp->iff_flag != 0; cmdp++) { 4171 if ((flags & cmdp->iff_flag) && 4172 (cmdp->iff_af == AF_UNSPEC || cmdp->iff_af == af)) { 4173 (void) printf("%s ", cmdp->iff_name); 4174 } 4175 } 4176 } 4177 4178 /* 4179 * Use the configured directory lookup mechanism (e.g. files/NIS/...) 4180 * to find the network mask. Returns true if we found one to set. 4181 * 4182 * The parameter addr_set controls whether we should get the address of 4183 * the working interface for the netmask query. If addr_set is true, 4184 * we will use the address provided. Otherwise, we will find the working 4185 * interface's address and use it instead. 4186 */ 4187 static boolean_t 4188 in_getmask(struct sockaddr_in *saddr, boolean_t addr_set) 4189 { 4190 struct sockaddr_in ifaddr; 4191 4192 /* 4193 * Read the address from the interface if it is not passed in. 4194 */ 4195 if (!addr_set) { 4196 (void) strncpy(lifr.lifr_name, name, sizeof (lifr.lifr_name)); 4197 if (ioctl(s, SIOCGLIFADDR, (caddr_t)&lifr) < 0) { 4198 if (errno != EADDRNOTAVAIL) { 4199 (void) fprintf(stderr, "Need net number for " 4200 "mask\n"); 4201 } 4202 return (_B_FALSE); 4203 } 4204 ifaddr = *((struct sockaddr_in *)&lifr.lifr_addr); 4205 } else { 4206 ifaddr.sin_addr = saddr->sin_addr; 4207 } 4208 if (getnetmaskbyaddr(ifaddr.sin_addr, &saddr->sin_addr) == 0) { 4209 saddr->sin_family = AF_INET; 4210 return (_B_TRUE); 4211 } 4212 return (_B_FALSE); 4213 } 4214 4215 static int 4216 lifnum(const char *ifname) 4217 { 4218 const char *cp; 4219 4220 if ((cp = strchr(ifname, ':')) == NULL) 4221 return (0); 4222 else 4223 return (atoi(cp + 1)); 4224 } 4225 4226 static void 4227 add_ni(const char *name) 4228 { 4229 ni_t **pp; 4230 ni_t *p; 4231 4232 for (pp = &ni_list; (p = *pp) != NULL; pp = &(p->ni_next)) { 4233 if (strcmp(p->ni_name, name) == 0) { 4234 if (debug > 2) 4235 (void) fprintf(stderr, "'%s' is a duplicate\n", 4236 name); 4237 return; 4238 } 4239 } 4240 4241 if (debug > 2) 4242 (void) fprintf(stderr, "adding '%s'\n", 4243 name); 4244 4245 if ((p = malloc(sizeof (ni_t))) == NULL) 4246 return; 4247 4248 (void) strlcpy(p->ni_name, name, sizeof (p->ni_name)); 4249 p->ni_next = NULL; 4250 4251 *pp = p; 4252 num_ni++; 4253 } 4254 4255 static boolean_t 4256 ni_entry(const char *linkname, void *arg) 4257 { 4258 dlpi_handle_t dh; 4259 datalink_class_t class; 4260 4261 (void) dladm_name2info(arg, linkname, NULL, NULL, &class, NULL); 4262 4263 if (class == DATALINK_CLASS_ETHERSTUB) 4264 return (_B_FALSE); 4265 if (dlpi_open(linkname, &dh, 0) != DLPI_SUCCESS) 4266 return (_B_FALSE); 4267 4268 add_ni(linkname); 4269 4270 dlpi_close(dh); 4271 return (_B_FALSE); 4272 } 4273 4274 /* 4275 * dhcp-related routines 4276 */ 4277 4278 static int 4279 setifdhcp(const char *caller, const char *ifname, int argc, char *argv[]) 4280 { 4281 dhcp_ipc_request_t *request; 4282 dhcp_ipc_reply_t *reply = NULL; 4283 int timeout = DHCP_IPC_WAIT_DEFAULT; 4284 dhcp_ipc_type_t type = DHCP_START; 4285 int error; 4286 boolean_t is_primary = _B_FALSE; 4287 boolean_t started = _B_FALSE; 4288 4289 for (argv++; --argc > 0; argv++) { 4290 4291 if (strcmp(*argv, "primary") == 0) { 4292 is_primary = _B_TRUE; 4293 continue; 4294 } 4295 4296 if (strcmp(*argv, "wait") == 0) { 4297 if (--argc <= 0) { 4298 usage(); 4299 return (DHCP_EXIT_BADARGS); 4300 } 4301 argv++; 4302 4303 if (strcmp(*argv, "forever") == 0) { 4304 timeout = DHCP_IPC_WAIT_FOREVER; 4305 continue; 4306 } 4307 4308 if (sscanf(*argv, "%d", &timeout) != 1) { 4309 usage(); 4310 return (DHCP_EXIT_BADARGS); 4311 } 4312 4313 if (timeout < 0) { 4314 usage(); 4315 return (DHCP_EXIT_BADARGS); 4316 } 4317 continue; 4318 } 4319 4320 type = dhcp_string_to_request(*argv); 4321 if (type == -1) { 4322 usage(); 4323 return (DHCP_EXIT_BADARGS); 4324 } 4325 } 4326 4327 /* 4328 * Only try to start agent on start or inform; in all other cases it 4329 * has to already be running for anything to make sense. 4330 */ 4331 if (type == DHCP_START || type == DHCP_INFORM) { 4332 if (dhcp_start_agent(DHCP_IPC_MAX_WAIT) == -1) { 4333 (void) fprintf(stderr, "%s: unable to start %s\n", 4334 caller, DHCP_AGENT_PATH); 4335 return (DHCP_EXIT_FAILURE); 4336 } 4337 started = _B_TRUE; 4338 } 4339 4340 if (is_primary) 4341 type |= DHCP_PRIMARY; 4342 4343 if (af != AF_INET) 4344 type |= DHCP_V6; 4345 4346 request = dhcp_ipc_alloc_request(type, ifname, NULL, 0, DHCP_TYPE_NONE); 4347 if (request == NULL) { 4348 (void) fprintf(stderr, "%s: out of memory\n", caller); 4349 return (DHCP_EXIT_SYSTEM); 4350 } 4351 4352 error = dhcp_ipc_make_request(request, &reply, timeout); 4353 if (error != 0) { 4354 free(request); 4355 /* 4356 * Re-map connect error to not under control if we didn't try a 4357 * start operation, as this has to be true and results in a 4358 * clearer message, not to mention preserving compatibility 4359 * with the days when we always started dhcpagent for every 4360 * request. 4361 */ 4362 if (error == DHCP_IPC_E_CONNECT && !started) 4363 error = DHCP_IPC_E_UNKIF; 4364 (void) fprintf(stderr, "%s: %s: %s\n", caller, ifname, 4365 dhcp_ipc_strerror(error)); 4366 return (DHCP_EXIT_FAILURE); 4367 } 4368 4369 error = reply->return_code; 4370 if (error != 0) { 4371 free(request); 4372 free(reply); 4373 4374 if (error == DHCP_IPC_E_TIMEOUT && timeout == 0) 4375 return (DHCP_EXIT_SUCCESS); 4376 4377 (void) fprintf(stderr, "%s: %s: %s\n", caller, ifname, 4378 dhcp_ipc_strerror(error)); 4379 4380 if (error == DHCP_IPC_E_TIMEOUT) 4381 return (DHCP_EXIT_TIMEOUT); 4382 else 4383 return (DHCP_EXIT_IF_FAILURE); 4384 } 4385 4386 if (DHCP_IPC_CMD(type) == DHCP_STATUS) { 4387 (void) printf("%s", dhcp_status_hdr_string()); 4388 (void) printf("%s", dhcp_status_reply_to_string(reply)); 4389 } 4390 4391 free(request); 4392 free(reply); 4393 return (DHCP_EXIT_SUCCESS); 4394 } 4395 4396 static void 4397 usage(void) 4398 { 4399 (void) fprintf(stderr, 4400 "usage: ifconfig <interface> | -a[ 4 | 6 | D ][ u | d ][ Z ]\n"); 4401 4402 (void) fprintf(stderr, "%s", 4403 "\t[ <addr_family> ]\n" 4404 "\t[ <address>[/<prefix_length>] [ <dest_address> ] ]\n" 4405 "\t[ set [ <address>][/<prefix_length>] ]" 4406 " [ <address>/<prefix_length>] ]\n" 4407 "\t[ destination <dest_address> ]\n" 4408 "\t[ addif <address>[/<prefix_length>]" 4409 " [ <dest_address> ] ]\n" 4410 "\t[ removeif <address>[/<prefix_length>] ]\n" 4411 "\t[ arp | -arp ]\n" 4412 "\t[ auto-revarp ]\n" 4413 "\t[ broadcast <broad_addr> ]\n" 4414 "\t[ index <if_index> ]\n" 4415 "\t[ metric <n> ] [ mtu <n> ]\n" 4416 "\t[ netmask <mask> ]\n" 4417 "\t[ plumb ] [ unplumb ]\n" 4418 "\t[ preferred | -preferred ]\n" 4419 "\t[ private | -private ]\n" 4420 "\t[ local | -local ]\n" 4421 "\t[ router | -router ]\n" 4422 "\t[ subnet <subnet_address>]\n" 4423 "\t[ trailers | -trailers ]\n" 4424 "\t[ token <address>/<prefix_length> ]\n" 4425 "\t[ tsrc <tunnel_src_address> ]\n" 4426 "\t[ tdst <tunnel_dest_address> ]\n" 4427 "\t[ auth_algs <tunnel_AH_authentication_algorithm> ]\n" 4428 "\t[ encr_algs <tunnel_ESP_encryption_algorithm> ]\n" 4429 "\t[ encr_auth_algs <tunnel_ESP_authentication_algorithm> ]\n" 4430 "\t[ up ] [ down ]\n" 4431 "\t[ xmit | -xmit ]\n" 4432 "\t[ modlist ]\n" 4433 "\t[ modinsert <module_name@position> ]\n" 4434 "\t[ modremove <module_name@position> ]\n" 4435 "\t[ ipmp ]\n" 4436 "\t[ group <groupname>] | [ group \"\"]\n" 4437 "\t[ deprecated | -deprecated ]\n" 4438 "\t[ standby | -standby ]\n" 4439 "\t[ failover | -failover ]\n" 4440 "\t[ zone <zonename> | -zone ]\n" 4441 "\t[ usesrc <interface> ]\n" 4442 "\t[ all-zones ]\n"); 4443 4444 (void) fprintf(stderr, "or\n"); 4445 (void) fprintf(stderr, 4446 "\tifconfig <interface> | -a[ 4 | 6 | D ] [ u | d ]\n"); 4447 4448 (void) fprintf(stderr, "%s", "\tauto-dhcp | dhcp\n" 4449 "\t[ wait <time> | forever ]\n\t[ primary ]\n" 4450 "\tstart | drop | ping | release | status | inform\n"); 4451 } 4452