1 /*- 2 * Copyright (c) 2007 Robert N. M. Watson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 /* 28 * Debugger routines relating to sockets, protocols, etc, for use in DDB. 29 */ 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include "opt_ddb.h" 35 36 #include <sys/param.h> 37 #include <sys/domain.h> 38 #include <sys/kernel.h> 39 #include <sys/protosw.h> 40 #include <sys/socket.h> 41 #include <sys/socketvar.h> 42 43 #ifdef DDB 44 #include <ddb/ddb.h> 45 46 static void 47 db_print_sotype(short so_type) 48 { 49 50 switch (so_type) { 51 case SOCK_STREAM: 52 db_printf("SOCK_STREAM"); 53 break; 54 55 case SOCK_DGRAM: 56 db_printf("SOCK_DGRAM"); 57 break; 58 59 case SOCK_RAW: 60 db_printf("SOCK_RAW"); 61 break; 62 63 case SOCK_RDM: 64 db_printf("SOCK_RDM"); 65 break; 66 67 case SOCK_SEQPACKET: 68 db_printf("SOCK_SEQPACKET"); 69 break; 70 71 default: 72 db_printf("unknown"); 73 break; 74 } 75 } 76 77 static void 78 db_print_sooptions(short so_options) 79 { 80 int comma; 81 82 comma = 0; 83 if (so_options & SO_DEBUG) { 84 db_printf("%sSO_DEBUG", comma ? ", " : ""); 85 comma = 1; 86 } 87 if (so_options & SO_ACCEPTCONN) { 88 db_printf("%sSO_ACCEPTCONN", comma ? ", " : ""); 89 comma = 1; 90 } 91 if (so_options & SO_REUSEADDR) { 92 db_printf("%sSO_REUSEADDR", comma ? ", " : ""); 93 comma = 1; 94 } 95 if (so_options & SO_KEEPALIVE) { 96 db_printf("%sSO_KEEPALIVE", comma ? ", " : ""); 97 comma = 1; 98 } 99 if (so_options & SO_DONTROUTE) { 100 db_printf("%sSO_DONTROUTE", comma ? ", " : ""); 101 comma = 1; 102 } 103 if (so_options & SO_BROADCAST) { 104 db_printf("%sSO_BROADCAST", comma ? ", " : ""); 105 comma = 1; 106 } 107 if (so_options & SO_USELOOPBACK) { 108 db_printf("%sSO_USELOOPBACK", comma ? ", " : ""); 109 comma = 1; 110 } 111 if (so_options & SO_LINGER) { 112 db_printf("%sSO_LINGER", comma ? ", " : ""); 113 comma = 1; 114 } 115 if (so_options & SO_OOBINLINE) { 116 db_printf("%sSO_OOBINLINE", comma ? ", " : ""); 117 comma = 1; 118 } 119 if (so_options & SO_REUSEPORT) { 120 db_printf("%sSO_REUSEPORT", comma ? ", " : ""); 121 comma = 1; 122 } 123 if (so_options & SO_TIMESTAMP) { 124 db_printf("%sSO_TIMESTAMP", comma ? ", " : ""); 125 comma = 1; 126 } 127 if (so_options & SO_NOSIGPIPE) { 128 db_printf("%sSO_NOSIGPIPE", comma ? ", " : ""); 129 comma = 1; 130 } 131 if (so_options & SO_ACCEPTFILTER) { 132 db_printf("%sSO_ACCEPTFILTER", comma ? ", " : ""); 133 comma = 1; 134 } 135 if (so_options & SO_BINTIME) { 136 db_printf("%sSO_BINTIME", comma ? ", " : ""); 137 comma = 1; 138 } 139 if (so_options & SO_NO_OFFLOAD) { 140 db_printf("%sSO_NO_OFFLOAD", comma ? ", " : ""); 141 comma = 1; 142 } 143 if (so_options & SO_NO_DDP) { 144 db_printf("%sSO_NO_DDP", comma ? ", " : ""); 145 comma = 1; 146 } 147 } 148 149 static void 150 db_print_sostate(short so_state) 151 { 152 int comma; 153 154 comma = 0; 155 if (so_state & SS_NOFDREF) { 156 db_printf("%sSS_NOFDREF", comma ? ", " : ""); 157 comma = 1; 158 } 159 if (so_state & SS_ISCONNECTED) { 160 db_printf("%sSS_ISCONNECTED", comma ? ", " : ""); 161 comma = 1; 162 } 163 if (so_state & SS_ISCONNECTING) { 164 db_printf("%sSS_ISCONNECTING", comma ? ", " : ""); 165 comma = 1; 166 } 167 if (so_state & SS_ISDISCONNECTING) { 168 db_printf("%sSS_ISDISCONNECTING", comma ? ", " : ""); 169 comma = 1; 170 } 171 if (so_state & SS_NBIO) { 172 db_printf("%sSS_NBIO", comma ? ", " : ""); 173 comma = 1; 174 } 175 if (so_state & SS_ASYNC) { 176 db_printf("%sSS_ASYNC", comma ? ", " : ""); 177 comma = 1; 178 } 179 if (so_state & SS_ISCONFIRMING) { 180 db_printf("%sSS_ISCONFIRMING", comma ? ", " : ""); 181 comma = 1; 182 } 183 if (so_state & SS_PROTOREF) { 184 db_printf("%sSS_PROTOREF", comma ? ", " : ""); 185 comma = 1; 186 } 187 } 188 189 static void 190 db_print_soqstate(int so_qstate) 191 { 192 int comma; 193 194 comma = 0; 195 if (so_qstate & SQ_INCOMP) { 196 db_printf("%sSQ_INCOMP", comma ? ", " : ""); 197 comma = 1; 198 } 199 if (so_qstate & SQ_COMP) { 200 db_printf("%sSQ_COMP", comma ? ", " : ""); 201 comma = 1; 202 } 203 } 204 205 static void 206 db_print_sbstate(short sb_state) 207 { 208 int comma; 209 210 comma = 0; 211 if (sb_state & SBS_CANTSENDMORE) { 212 db_printf("%sSBS_CANTSENDMORE", comma ? ", " : ""); 213 comma = 1; 214 } 215 if (sb_state & SBS_CANTRCVMORE) { 216 db_printf("%sSBS_CANTRCVMORE", comma ? ", " : ""); 217 comma = 1; 218 } 219 if (sb_state & SBS_RCVATMARK) { 220 db_printf("%sSBS_RCVATMARK", comma ? ", " : ""); 221 comma = 1; 222 } 223 } 224 225 static void 226 db_print_indent(int indent) 227 { 228 int i; 229 230 for (i = 0; i < indent; i++) 231 db_printf(" "); 232 } 233 234 static void 235 db_print_domain(struct domain *d, const char *domain_name, int indent) 236 { 237 238 db_print_indent(indent); 239 db_printf("%s at %p\n", domain_name, d); 240 241 indent += 2; 242 243 db_print_indent(indent); 244 db_printf("dom_family: %d ", d->dom_family); 245 db_printf("dom_name: %s\n", d->dom_name); 246 247 db_print_indent(indent); 248 db_printf("dom_init: %p ", d->dom_init); 249 db_printf("dom_externalize: %p ", d->dom_externalize); 250 db_printf("dom_dispose: %p\n", d->dom_dispose); 251 252 db_print_indent(indent); 253 db_printf("dom_protosw: %p ", d->dom_protosw); 254 db_printf("dom_next: %p\n", d->dom_next); 255 256 db_print_indent(indent); 257 db_printf("dom_rtattach: %p ", d->dom_rtattach); 258 259 db_print_indent(indent); 260 db_printf("dom_ifattach: %p ", d->dom_ifattach); 261 db_printf("dom_ifdetach: %p\n", d->dom_ifdetach); 262 } 263 264 static void 265 db_print_prflags(short pr_flags) 266 { 267 int comma; 268 269 comma = 0; 270 if (pr_flags & PR_ATOMIC) { 271 db_printf("%sPR_ATOMIC", comma ? ", " : ""); 272 comma = 1; 273 } 274 if (pr_flags & PR_ADDR) { 275 db_printf("%sPR_ADDR", comma ? ", " : ""); 276 comma = 1; 277 } 278 if (pr_flags & PR_CONNREQUIRED) { 279 db_printf("%sPR_CONNREQUIRED", comma ? ", " : ""); 280 comma = 1; 281 } 282 if (pr_flags & PR_WANTRCVD) { 283 db_printf("%sPR_WANTRCVD", comma ? ", " : ""); 284 comma = 1; 285 } 286 if (pr_flags & PR_RIGHTS) { 287 db_printf("%sPR_RIGHTS", comma ? ", " : ""); 288 comma = 1; 289 } 290 if (pr_flags & PR_IMPLOPCL) { 291 db_printf("%sPR_IMPLOPCL", comma ? ", " : ""); 292 comma = 1; 293 } 294 if (pr_flags & PR_LASTHDR) { 295 db_printf("%sPR_LASTHDR", comma ? ", " : ""); 296 comma = 1; 297 } 298 } 299 300 static void 301 db_print_protosw(struct protosw *pr, const char *prname, int indent) 302 { 303 304 db_print_indent(indent); 305 db_printf("%s at %p\n", prname, pr); 306 307 indent += 2; 308 309 db_print_indent(indent); 310 db_printf("pr_type: %d ", pr->pr_type); 311 db_printf("pr_domain: %p\n", pr->pr_domain); 312 if (pr->pr_domain != NULL) 313 db_print_domain(pr->pr_domain, "pr_domain", indent); 314 315 db_print_indent(indent); 316 db_printf("pr_protocol: %d\n", pr->pr_protocol); 317 318 db_print_indent(indent); 319 db_printf("pr_flags: %d (", pr->pr_flags); 320 db_print_prflags(pr->pr_flags); 321 db_printf(")\n"); 322 323 db_print_indent(indent); 324 db_printf("pr_input: %p ", pr->pr_input); 325 db_printf("pr_output: %p ", pr->pr_output); 326 db_printf("pr_ctlinput: %p\n", pr->pr_ctlinput); 327 328 db_print_indent(indent); 329 db_printf("pr_ctloutput: %p ", pr->pr_ctloutput); 330 db_printf("pr_init: %p\n", pr->pr_init); 331 332 db_print_indent(indent); 333 db_printf("pr_fasttimo: %p ", pr->pr_fasttimo); 334 db_printf("pr_slowtimo: %p ", pr->pr_slowtimo); 335 db_printf("pr_drain: %p\n", pr->pr_drain); 336 337 db_print_indent(indent); 338 } 339 340 static void 341 db_print_sbflags(short sb_flags) 342 { 343 int comma; 344 345 comma = 0; 346 if (sb_flags & SB_WAIT) { 347 db_printf("%sSB_WAIT", comma ? ", " : ""); 348 comma = 1; 349 } 350 if (sb_flags & SB_SEL) { 351 db_printf("%sSB_SEL", comma ? ", " : ""); 352 comma = 1; 353 } 354 if (sb_flags & SB_ASYNC) { 355 db_printf("%sSB_ASYNC", comma ? ", " : ""); 356 comma = 1; 357 } 358 if (sb_flags & SB_UPCALL) { 359 db_printf("%sSB_UPCALL", comma ? ", " : ""); 360 comma = 1; 361 } 362 if (sb_flags & SB_NOINTR) { 363 db_printf("%sSB_NOINTR", comma ? ", " : ""); 364 comma = 1; 365 } 366 if (sb_flags & SB_AIO) { 367 db_printf("%sSB_AIO", comma ? ", " : ""); 368 comma = 1; 369 } 370 if (sb_flags & SB_KNOTE) { 371 db_printf("%sSB_KNOTE", comma ? ", " : ""); 372 comma = 1; 373 } 374 if (sb_flags & SB_AUTOSIZE) { 375 db_printf("%sSB_AUTOSIZE", comma ? ", " : ""); 376 comma = 1; 377 } 378 } 379 380 static void 381 db_print_sockbuf(struct sockbuf *sb, const char *sockbufname, int indent) 382 { 383 384 db_print_indent(indent); 385 db_printf("%s at %p\n", sockbufname, sb); 386 387 indent += 2; 388 389 db_print_indent(indent); 390 db_printf("sb_state: 0x%x (", sb->sb_state); 391 db_print_sbstate(sb->sb_state); 392 db_printf(")\n"); 393 394 db_print_indent(indent); 395 db_printf("sb_mb: %p ", sb->sb_mb); 396 db_printf("sb_mbtail: %p ", sb->sb_mbtail); 397 db_printf("sb_lastrecord: %p\n", sb->sb_lastrecord); 398 399 db_print_indent(indent); 400 db_printf("sb_sndptr: %p ", sb->sb_sndptr); 401 db_printf("sb_sndptroff: %u\n", sb->sb_sndptroff); 402 403 db_print_indent(indent); 404 db_printf("sb_acc: %u ", sb->sb_acc); 405 db_printf("sb_ccc: %u ", sb->sb_ccc); 406 db_printf("sb_hiwat: %u ", sb->sb_hiwat); 407 db_printf("sb_mbcnt: %u ", sb->sb_mbcnt); 408 db_printf("sb_mbmax: %u\n", sb->sb_mbmax); 409 410 db_print_indent(indent); 411 db_printf("sb_ctl: %u ", sb->sb_ctl); 412 db_printf("sb_lowat: %d ", sb->sb_lowat); 413 db_printf("sb_timeo: %jd\n", sb->sb_timeo); 414 415 db_print_indent(indent); 416 db_printf("sb_flags: 0x%x (", sb->sb_flags); 417 db_print_sbflags(sb->sb_flags); 418 db_printf(")\n"); 419 } 420 421 static void 422 db_print_socket(struct socket *so, const char *socketname, int indent) 423 { 424 425 db_print_indent(indent); 426 db_printf("%s at %p\n", socketname, so); 427 428 indent += 2; 429 430 db_print_indent(indent); 431 db_printf("so_count: %d ", so->so_count); 432 db_printf("so_type: %d (", so->so_type); 433 db_print_sotype(so->so_type); 434 db_printf(")\n"); 435 436 db_print_indent(indent); 437 db_printf("so_options: 0x%x (", so->so_options); 438 db_print_sooptions(so->so_options); 439 db_printf(")\n"); 440 441 db_print_indent(indent); 442 db_printf("so_linger: %d ", so->so_linger); 443 db_printf("so_state: 0x%x (", so->so_state); 444 db_print_sostate(so->so_state); 445 db_printf(")\n"); 446 447 db_print_indent(indent); 448 db_printf("so_qstate: 0x%x (", so->so_qstate); 449 db_print_soqstate(so->so_qstate); 450 db_printf(") "); 451 db_printf("so_pcb: %p ", so->so_pcb); 452 db_printf("so_proto: %p\n", so->so_proto); 453 454 if (so->so_proto != NULL) 455 db_print_protosw(so->so_proto, "so_proto", indent); 456 457 db_print_indent(indent); 458 db_printf("so_head: %p ", so->so_head); 459 db_printf("so_incomp first: %p ", TAILQ_FIRST(&so->so_incomp)); 460 db_printf("so_comp first: %p\n", TAILQ_FIRST(&so->so_comp)); 461 462 db_print_indent(indent); 463 /* so_list skipped */ 464 db_printf("so_qlen: %d ", so->so_qlen); 465 db_printf("so_incqlen: %d ", so->so_incqlen); 466 db_printf("so_qlimit: %d ", so->so_qlimit); 467 db_printf("so_timeo: %d ", so->so_timeo); 468 db_printf("so_error: %d\n", so->so_error); 469 470 db_print_indent(indent); 471 db_printf("so_sigio: %p ", so->so_sigio); 472 db_printf("so_oobmark: %lu ", so->so_oobmark); 473 db_printf("so_aiojobq first: %p\n", TAILQ_FIRST(&so->so_aiojobq)); 474 475 db_print_sockbuf(&so->so_rcv, "so_rcv", indent); 476 db_print_sockbuf(&so->so_snd, "so_snd", indent); 477 } 478 479 DB_SHOW_COMMAND(socket, db_show_socket) 480 { 481 struct socket *so; 482 483 if (!have_addr) { 484 db_printf("usage: show socket <addr>\n"); 485 return; 486 } 487 so = (struct socket *)addr; 488 489 db_print_socket(so, "socket", 0); 490 } 491 492 DB_SHOW_COMMAND(sockbuf, db_show_sockbuf) 493 { 494 struct sockbuf *sb; 495 496 if (!have_addr) { 497 db_printf("usage: show sockbuf <addr>\n"); 498 return; 499 } 500 sb = (struct sockbuf *)addr; 501 502 db_print_sockbuf(sb, "sockbuf", 0); 503 } 504 505 DB_SHOW_COMMAND(protosw, db_show_protosw) 506 { 507 struct protosw *pr; 508 509 if (!have_addr) { 510 db_printf("usage: show protosw <addr>\n"); 511 return; 512 } 513 pr = (struct protosw *)addr; 514 515 db_print_protosw(pr, "protosw", 0); 516 } 517 518 DB_SHOW_COMMAND(domain, db_show_domain) 519 { 520 struct domain *d; 521 522 if (!have_addr) { 523 db_printf("usage: show protosw <addr>\n"); 524 return; 525 } 526 d = (struct domain *)addr; 527 528 db_print_domain(d, "domain", 0); 529 } 530 #endif 531