pppoectl.c revision 1.4
1 /* $NetBSD: pppoectl.c,v 1.4 2002/01/07 11:10:26 martin Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Joerg Wunsch 5 * 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * From: spppcontrol.c,v 1.3 1998/01/07 07:55:26 charnier Exp 29 * From: ispppcontrol 30 */ 31 32 #include <sys/param.h> 33 #include <sys/callout.h> 34 #include <sys/ioctl.h> 35 #include <sys/mbuf.h> 36 #include <sys/socket.h> 37 #include <sys/time.h> 38 #include <sys/sysctl.h> 39 #include <net/if.h> 40 #include <net/if_sppp.h> 41 #include <net/if_pppoe.h> 42 #include <err.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <sysexits.h> 47 #include <unistd.h> 48 49 static void usage(void); 50 static void print_error(const char *ifname, int error, const char * str); 51 static void print_vals(const char *ifname, int phase, struct spppauthcfg *sp, 52 int lcp_timeout, time_t idle_timeout, int authfailures, 53 int max_auth_failures); 54 const char *phase_name(int phase); 55 const char *proto_name(int proto); 56 const char *authflags(int flags); 57 58 int hz = 0; 59 60 int 61 main(int argc, char **argv) 62 { 63 int s, c; 64 int errs = 0, verbose = 0, dump = 0; 65 size_t off, len; 66 const char *ifname, *cp; 67 const char *eth_if_name, *access_concentrator, *service; 68 struct spppauthcfg spr; 69 struct sppplcpcfg lcp; 70 struct spppstatus status; 71 struct spppidletimeout timeout; 72 struct spppauthfailurestats authfailstats; 73 struct spppauthfailuresettings authfailset; 74 int mib[2]; 75 int set_auth = 0, set_lcp = 0, set_idle_to = 0, set_auth_failure = 0; 76 struct clockinfo clockinfo; 77 78 eth_if_name = NULL; 79 access_concentrator = NULL; 80 service = NULL; 81 while ((c = getopt(argc, argv, "vde:s:a:")) != -1) 82 switch (c) { 83 case 'v': 84 verbose++; 85 break; 86 87 case 'd': 88 dump++; 89 break; 90 91 case 'e': 92 eth_if_name = optarg; 93 break; 94 95 case 's': 96 service = optarg; 97 break; 98 99 case 'a': 100 access_concentrator = optarg; 101 break; 102 103 default: 104 errs++; 105 break; 106 } 107 argv += optind; 108 argc -= optind; 109 110 if (errs || argc < 1) 111 usage(); 112 113 ifname = argv[0]; 114 115 /* use a random AF to create the socket */ 116 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) 117 err(EX_UNAVAILABLE, "ifconfig: socket"); 118 119 argc--; 120 argv++; 121 122 if (eth_if_name) { 123 struct pppoediscparms parms; 124 int e; 125 126 memset(&parms, 0, sizeof parms); 127 strncpy(parms.ifname, ifname, sizeof(parms.ifname)); 128 strncpy(parms.eth_ifname, eth_if_name, sizeof(parms.eth_ifname)); 129 if (access_concentrator) { 130 parms.ac_name = (char*)access_concentrator; 131 parms.ac_name_len = strlen(access_concentrator); 132 } 133 if (service) { 134 parms.service_name = (char*)service; 135 parms.service_name_len = strlen(service); 136 } 137 138 e = ioctl(s, PPPOESETPARMS, &parms); 139 if (e) 140 print_error(ifname, e, "PPPOESETPARMS"); 141 return 0; 142 } 143 144 if (dump) { 145 /* dump PPPoE session state */ 146 struct pppoeconnectionstate state; 147 int e; 148 149 memset(&state, 0, sizeof state); 150 strncpy(state.ifname, ifname, sizeof state.ifname); 151 e = ioctl(s, PPPOEGETSESSION, &state); 152 if (e) 153 print_error(ifname, e, "PPPOEGETSESSION,"); 154 155 printf("%s:\tstate = ", ifname); 156 switch(state.state) { 157 case PPPOE_STATE_INITIAL: 158 printf("initial\n"); break; 159 case PPPOE_STATE_PADI_SENT: 160 printf("PADI sent\n"); break; 161 case PPPOE_STATE_PADR_SENT: 162 printf("PADR sent\n"); break; 163 case PPPOE_STATE_SESSION: 164 printf("session\n"); break; 165 case PPPOE_STATE_CLOSING: 166 printf("closing\n"); break; 167 } 168 printf("\tSession ID: 0x%x\n", state.session_id); 169 printf("\tPADI retries: %d\n", state.padi_retry_no); 170 printf("\tPADR retries: %d\n", state.padr_retry_no); 171 172 return 0; 173 } 174 175 176 memset(&spr, 0, sizeof spr); 177 strncpy(spr.ifname, ifname, sizeof spr.ifname); 178 memset(&lcp, 0, sizeof lcp); 179 strncpy(lcp.ifname, ifname, sizeof lcp.ifname); 180 memset(&status, 0, sizeof status); 181 strncpy(status.ifname, ifname, sizeof status.ifname); 182 memset(&timeout, 0, sizeof timeout); 183 strncpy(timeout.ifname, ifname, sizeof timeout.ifname); 184 memset(&authfailstats, 0, sizeof &authfailstats); 185 strncpy(authfailstats.ifname, ifname, sizeof authfailstats.ifname); 186 memset(&authfailset, 0, sizeof authfailset); 187 strncpy(authfailset.ifname, ifname, sizeof authfailset.ifname); 188 189 mib[0] = CTL_KERN; 190 mib[1] = KERN_CLOCKRATE; 191 len = sizeof(clockinfo); 192 if(sysctl(mib, 2, &clockinfo, &len, NULL, 0) == -1) 193 { 194 fprintf(stderr, "error, cannot sysctl kern.clockrate!\n"); 195 exit(1); 196 } 197 198 hz = clockinfo.hz; 199 200 if (argc == 0) { 201 /* list only mode */ 202 203 /* first pass, get name lenghts */ 204 if (ioctl(s, SPPPGETAUTHCFG, &spr) == -1) 205 err(EX_OSERR, "SPPPGETAUTHCFG"); 206 /* now allocate buffers for strings */ 207 if (spr.myname_length) 208 spr.myname = malloc(spr.myname_length); 209 if (spr.hisname_length) 210 spr.hisname = malloc(spr.hisname_length); 211 /* second pass: get names too */ 212 if (ioctl(s, SPPPGETAUTHCFG, &spr) == -1) 213 err(EX_OSERR, "SPPPGETAUTHCFG"); 214 215 if (ioctl(s, SPPPGETLCPCFG, &lcp) == -1) 216 err(EX_OSERR, "SPPPGETLCPCFG"); 217 if (ioctl(s, SPPPGETSTATUS, &status) == -1) 218 err(EX_OSERR, "SPPPGETSTATUS"); 219 if (ioctl(s, SPPPGETIDLETO, &timeout) == -1) 220 err(EX_OSERR, "SPPPGETIDLETO"); 221 if (ioctl(s, SPPPGETAUTHFAILURES, &authfailstats) == -1) 222 err(EX_OSERR, "SPPPGETAUTHFAILURES"); 223 224 print_vals(ifname, status.phase, &spr, lcp.lcp_timeout, timeout.idle_seconds, authfailstats.auth_failures, authfailstats.max_failures); 225 226 if (spr.hisname) free(spr.hisname); 227 if (spr.myname) free(spr.myname); 228 return 0; 229 } 230 231 #define startswith(s) strncmp(argv[0], s, (off = strlen(s))) == 0 232 233 while (argc > 0) { 234 if (startswith("authproto=")) { 235 cp = argv[0] + off; 236 if (strcmp(cp, "pap") == 0) 237 spr.myauth = 238 spr.hisauth = SPPP_AUTHPROTO_PAP; 239 else if (strcmp(cp, "chap") == 0) 240 spr.myauth = spr.hisauth = SPPP_AUTHPROTO_CHAP; 241 else if (strcmp(cp, "none") == 0) 242 spr.myauth = spr.hisauth = SPPP_AUTHPROTO_NONE; 243 else 244 errx(EX_DATAERR, "bad auth proto: %s", cp); 245 set_auth = 1; 246 } else if (startswith("myauthproto=")) { 247 cp = argv[0] + off; 248 if (strcmp(cp, "pap") == 0) 249 spr.myauth = SPPP_AUTHPROTO_PAP; 250 else if (strcmp(cp, "chap") == 0) 251 spr.myauth = SPPP_AUTHPROTO_CHAP; 252 else if (strcmp(cp, "none") == 0) 253 spr.myauth = SPPP_AUTHPROTO_NONE; 254 else 255 errx(EX_DATAERR, "bad auth proto: %s", cp); 256 set_auth = 1; 257 } else if (startswith("myauthname=")) { 258 spr.myname = argv[0] + off; 259 spr.myname_length = strlen(spr.myname)+1; 260 set_auth = 1; 261 } else if (startswith("myauthsecret=") || startswith("myauthkey=")) { 262 spr.mysecret = argv[0] + off; 263 spr.mysecret_length = strlen(spr.mysecret)+1; 264 set_auth = 1; 265 } else if (startswith("hisauthproto=")) { 266 cp = argv[0] + off; 267 if (strcmp(cp, "pap") == 0) 268 spr.hisauth = SPPP_AUTHPROTO_PAP; 269 else if (strcmp(cp, "chap") == 0) 270 spr.hisauth = SPPP_AUTHPROTO_CHAP; 271 else if (strcmp(cp, "none") == 0) 272 spr.hisauth = SPPP_AUTHPROTO_NONE; 273 else 274 errx(EX_DATAERR, "bad auth proto: %s", cp); 275 set_auth = 1; 276 } else if (startswith("hisauthname=")) { 277 spr.hisname = argv[0] + off; 278 spr.hisname_length = strlen(spr.hisname)+1; 279 set_auth = 1; 280 } else if (startswith("hisauthsecret=") || startswith("hisauthkey=")) { 281 spr.hissecret = argv[0] + off; 282 spr.hissecret_length = strlen(spr.hissecret)+1; 283 set_auth = 1; 284 } else if (strcmp(argv[0], "callin") == 0) 285 spr.hisauthflags |= SPPP_AUTHFLAG_NOCALLOUT; 286 else if (strcmp(argv[0], "always") == 0) 287 spr.hisauthflags &= ~SPPP_AUTHFLAG_NOCALLOUT; 288 else if (strcmp(argv[0], "norechallenge") == 0) 289 spr.hisauthflags |= SPPP_AUTHFLAG_NORECHALLENGE; 290 else if (strcmp(argv[0], "rechallenge") == 0) 291 spr.hisauthflags &= ~SPPP_AUTHFLAG_NORECHALLENGE; 292 #ifndef __NetBSD__ 293 else if (strcmp(argv[0], "enable-vj") == 0) 294 spr.defs.enable_vj = 1; 295 else if (strcmp(argv[0], "disable-vj") == 0) 296 spr.defs.enable_vj = 0; 297 #endif 298 else if (startswith("lcp-timeout=")) { 299 int timeout_arg = atoi(argv[0]+off); 300 if ((timeout_arg > 20000) || (timeout_arg <= 0)) 301 errx(EX_DATAERR, "bad lcp timeout value: %s", 302 argv[0]+off); 303 lcp.lcp_timeout = timeout_arg * hz / 1000; 304 set_lcp = 1; 305 } else if (startswith("idle-timeout=")) { 306 timeout.idle_seconds = (time_t)atol(argv[0]+off); 307 set_idle_to = 1; 308 } else if (startswith("max-auth-failure=")) { 309 authfailset.max_failures = atoi(argv[0]+off); 310 set_auth_failure = 1; 311 } else 312 errx(EX_DATAERR, "bad parameter: \"%s\"", argv[0]); 313 314 argv++; 315 argc--; 316 } 317 318 if (set_auth) { 319 if (ioctl(s, SPPPSETAUTHCFG, &spr) == -1) 320 err(EX_OSERR, "SPPPSETAUTHCFG"); 321 } 322 if (set_lcp) { 323 if (ioctl(s, SPPPSETLCPCFG, &lcp) == -1) 324 err(EX_OSERR, "SPPPSETLCPCFG"); 325 } 326 if (set_idle_to) { 327 if (ioctl(s, SPPPSETIDLETO, &timeout) == -1) 328 err(EX_OSERR, "SPPPSETIDLETO"); 329 } 330 if (set_auth_failure) { 331 if (ioctl(s, SPPPSETAUTHFAILURE, &authfailset) == -1) 332 err(EX_OSERR, "SPPPSETAUTHFAILURE"); 333 } 334 335 if (verbose) { 336 if (ioctl(s, SPPPGETAUTHFAILURES, &authfailstats) == -1) 337 err(EX_OSERR, "SPPPGETAUTHFAILURES"); 338 print_vals(ifname, status.phase, &spr, lcp.lcp_timeout, timeout.idle_seconds, authfailstats.auth_failures, authfailstats.max_failures); 339 } 340 341 return 0; 342 } 343 344 static void 345 usage(void) 346 { 347 fprintf(stderr, "%s\n%s\n", 348 "usage: ispppcontrol [-v] ifname [{my|his}auth{proto|name|secret}=...]", 349 " ispppcontrol [-v] ifname callin|always"); 350 exit(EX_USAGE); 351 } 352 353 static void 354 print_vals(const char *ifname, int phase, struct spppauthcfg *sp, int lcp_timeout, 355 time_t idle_timeout, int authfailures, int max_auth_failures) 356 { 357 #ifndef __NetBSD__ 358 time_t send, recv; 359 #endif 360 361 printf("%s:\tphase=%s\n", ifname, phase_name(phase)); 362 if (sp->myauth) { 363 printf("\tmyauthproto=%s myauthname=\"%s\"\n", 364 proto_name(sp->myauth), 365 sp->myname); 366 } 367 if (sp->hisauth) { 368 printf("\thisauthproto=%s hisauthname=\"%s\"%s\n", 369 proto_name(sp->hisauth), 370 sp->hisname, 371 authflags(sp->hisauthflags)); 372 } 373 #ifndef __NetBSD__ 374 if (sp->defs.pp_phase > PHASE_DEAD) { 375 send = time(NULL) - sp->defs.pp_last_sent; 376 recv = time(NULL) - sp->defs.pp_last_recv; 377 printf("\tidle_time=%ld\n", (send<recv)? send : recv); 378 } 379 #endif 380 381 printf("\tlcp timeout: %.3f s\n", 382 (double)lcp_timeout / hz); 383 384 if (idle_timeout != 0) 385 printf("\tidle timeout = %lu s\n", (unsigned long)idle_timeout); 386 else 387 printf("\tidle timeout = disabled\n"); 388 389 if (authfailures != 0) 390 printf("\tauthentication failures = %d\n", authfailures); 391 printf("\tmax-auth-failure = %d\n", max_auth_failures); 392 393 #ifndef __NetBSD__ 394 printf("\tenable_vj: %s\n", 395 sp->defs.enable_vj ? "on" : "off"); 396 #endif 397 } 398 399 const char * 400 phase_name(int phase) 401 { 402 switch (phase) { 403 case SPPP_PHASE_DEAD: return "dead"; 404 case SPPP_PHASE_ESTABLISH: return "establish"; 405 case SPPP_PHASE_TERMINATE: return "terminate"; 406 case SPPP_PHASE_AUTHENTICATE: return "authenticate"; 407 case SPPP_PHASE_NETWORK: return "network"; 408 } 409 return "illegal"; 410 } 411 412 const char * 413 proto_name(int proto) 414 { 415 static char buf[12]; 416 switch (proto) { 417 case SPPP_AUTHPROTO_PAP: return "pap"; 418 case SPPP_AUTHPROTO_CHAP: return "chap"; 419 case SPPP_AUTHPROTO_NONE: return "none"; 420 } 421 sprintf(buf, "0x%x", (unsigned)proto); 422 return buf; 423 } 424 425 const char * 426 authflags(int flags) 427 { 428 static char buf[32]; 429 buf[0] = '\0'; 430 if (flags & SPPP_AUTHFLAG_NOCALLOUT) 431 strcat(buf, " callin"); 432 if (flags & SPPP_AUTHFLAG_NORECHALLENGE) 433 strcat(buf, " norechallenge"); 434 return buf; 435 } 436 437 static void 438 print_error(const char *ifname, int error, const char * str) 439 { 440 if (error == -1) 441 fprintf(stderr, "%s: interface not found\n", ifname); 442 else 443 fprintf(stderr, "%s: %s: %s\n", ifname, str, strerror(error)); 444 exit(EX_DATAERR); 445 } 446 447 448
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