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 } 140 141 static void 142 db_print_sostate(short so_state) 143 { 144 int comma; 145 146 comma = 0; 147 if (so_state & SS_NOFDREF) { 148 db_printf("%sSS_FDREF", comma ? ", " : ""); 149 comma = 1; 150 } 151 if (so_state & SS_ISCONNECTED) { 152 db_printf("%sSS_ISCONNECTED", comma ? ", " : ""); 153 comma = 1; 154 } 155 if (so_state & SS_ISCONNECTING) { 156 db_printf("%sSS_ISCONNECTING", comma ? ", " : ""); 157 comma = 1; 158 } 159 if (so_state & SS_ISDISCONNECTING) { 160 db_printf("%sSS_ISDISCONNECTING", comma ? ", " : ""); 161 comma = 1; 162 } 163 if (so_state & SS_NBIO) { 164 db_printf("%sSS_NBIO", comma ? ", " : ""); 165 comma = 1; 166 } 167 if (so_state & SS_ASYNC) { 168 db_printf("%sSS_ASYNC", comma ? ", " : ""); 169 comma = 1; 170 } 171 if (so_state & SS_ISCONFIRMING) { 172 db_printf("%sSS_ISCONFIRMING", comma ? ", " : ""); 173 comma = 1; 174 } 175 comma = 0; 176 if (so_state & SS_PROTOREF) { 177 db_printf("%sSS_PROTOREF", comma ? ", " : ""); 178 comma = 1; 179 } 180 } 181 182 static void 183 db_print_soqstate(int so_qstate) 184 { 185 int comma; 186 187 comma = 0; 188 if (so_qstate & SQ_INCOMP) { 189 db_printf("%sSQ_INCOMP", comma ? ", " : ""); 190 comma = 1; 191 } 192 if (so_qstate & SQ_COMP) { 193 db_printf("%sSQ_COMP", comma ? ", " : ""); 194 comma = 1; 195 } 196 } 197 198 static void 199 db_print_sbstate(short sb_state) 200 { 201 int comma; 202 203 comma = 0; 204 if (sb_state & SBS_CANTSENDMORE) { 205 db_printf("%sSS_CANTSENDMORE", comma ? ", " : ""); 206 comma = 1; 207 } 208 if (sb_state & SBS_CANTRCVMORE) { 209 db_printf("%sSS_CANTRCVMORE", comma ? ", " : ""); 210 comma = 1; 211 } 212 if (sb_state & SBS_RCVATMARK) { 213 db_printf("%sSS_RCVATMARK", comma ? ", " : ""); 214 comma = 1; 215 } 216 } 217 218 static void 219 db_print_indent(int indent) 220 { 221 int i; 222 223 for (i = 0; i < indent; i++) 224 db_printf(" "); 225 } 226 227 static void 228 db_print_domain(struct domain *d, const char *domain_name, int indent) 229 { 230 231 db_print_indent(indent); 232 db_printf("%s at %p\n", domain_name, d); 233 234 indent += 2; 235 236 db_print_indent(indent); 237 db_printf("dom_family: %d ", d->dom_family); 238 db_printf("dom_name: %s\n", d->dom_name); 239 240 db_print_indent(indent); 241 db_printf("dom_init: %p ", d->dom_init); 242 db_printf("dom_externalize: %p ", d->dom_externalize); 243 db_printf("dom_dispose: %p\n", d->dom_dispose); 244 245 db_print_indent(indent); 246 db_printf("dom_protosw: %p ", d->dom_protosw); 247 db_printf("dom_next: %p\n", d->dom_next); 248 249 db_print_indent(indent); 250 db_printf("dom_rtattach: %p ", d->dom_rtattach); 251 db_printf("dom_rtoffset: %d ", d->dom_rtoffset); 252 db_printf("dom_maxrtkey: %d\n", d->dom_maxrtkey); 253 254 db_print_indent(indent); 255 db_printf("dom_ifattach: %p ", d->dom_ifattach); 256 db_printf("dom_ifdetach: %p\n", d->dom_ifdetach); 257 } 258 259 static void 260 db_print_prflags(short pr_flags) 261 { 262 int comma; 263 264 comma = 0; 265 if (pr_flags & PR_ATOMIC) { 266 db_printf("%sPR_ATOMIC", comma ? ", " : ""); 267 comma = 1; 268 } 269 if (pr_flags & PR_ADDR) { 270 db_printf("%sPR_ADDR", comma ? ", " : ""); 271 comma = 1; 272 } 273 if (pr_flags & PR_CONNREQUIRED) { 274 db_printf("%sPR_CONNREQUIRED", comma ? ", " : ""); 275 comma = 1; 276 } 277 if (pr_flags & PR_WANTRCVD) { 278 db_printf("%sPR_WANTRCVD", comma ? ", " : ""); 279 comma = 1; 280 } 281 if (pr_flags & PR_RIGHTS) { 282 db_printf("%sPR_RIGHTS", comma ? ", " : ""); 283 comma = 1; 284 } 285 if (pr_flags & PR_IMPLOPCL) { 286 db_printf("%sPR_IMPLOPCL", comma ? ", " : ""); 287 comma = 1; 288 } 289 if (pr_flags & PR_LASTHDR) { 290 db_printf("%sPR_LASTHDR", comma ? ", " : ""); 291 comma = 1; 292 } 293 } 294 295 static void 296 db_print_protosw(struct protosw *pr, const char *prname, int indent) 297 { 298 299 db_print_indent(indent); 300 db_printf("%s at %p\n", prname, pr); 301 302 indent += 2; 303 304 db_print_indent(indent); 305 db_printf("pr_type: %d ", pr->pr_type); 306 db_printf("pr_domain: %p\n", pr->pr_domain); 307 if (pr->pr_domain != NULL) 308 db_print_domain(pr->pr_domain, "pr_domain", indent); 309 310 db_print_indent(indent); 311 db_printf("pr_protocol: %d\n", pr->pr_protocol); 312 313 db_print_indent(indent); 314 db_printf("pr_flags: %d (", pr->pr_flags); 315 db_print_prflags(pr->pr_flags); 316 db_printf(")\n"); 317 318 db_print_indent(indent); 319 db_printf("pr_input: %p ", pr->pr_input); 320 db_printf("pr_output: %p ", pr->pr_output); 321 db_printf("pr_ctlinput: %p\n", pr->pr_ctlinput); 322 323 db_print_indent(indent); 324 db_printf("pr_ctloutput: %p ", pr->pr_ctloutput); 325 db_printf("pr_init: %p\n", pr->pr_init); 326 327 db_print_indent(indent); 328 db_printf("pr_fasttimo: %p ", pr->pr_fasttimo); 329 db_printf("pr_slowtimo: %p ", pr->pr_slowtimo); 330 db_printf("pr_drain: %p\n", pr->pr_drain); 331 332 db_print_indent(indent); 333 } 334 335 static void 336 db_print_sbflags(short sb_flags) 337 { 338 int comma; 339 340 comma = 0; 341 if (sb_flags & SB_WAIT) { 342 db_printf("%sSB_WAIT", comma ? ", " : ""); 343 comma = 1; 344 } 345 if (sb_flags & SB_SEL) { 346 db_printf("%sSB_SEL", comma ? ", " : ""); 347 comma = 1; 348 } 349 if (sb_flags & SB_ASYNC) { 350 db_printf("%sSB_ASYNC", comma ? ", " : ""); 351 comma = 1; 352 } 353 if (sb_flags & SB_UPCALL) { 354 db_printf("%sSB_UPCALL", comma ? ", " : ""); 355 comma = 1; 356 } 357 if (sb_flags & SB_NOINTR) { 358 db_printf("%sSB_NOINTR", comma ? ", " : ""); 359 comma = 1; 360 } 361 if (sb_flags & SB_AIO) { 362 db_printf("%sSB_AIO", comma ? ", " : ""); 363 comma = 1; 364 } 365 if (sb_flags & SB_KNOTE) { 366 db_printf("%sSB_KNOTE", comma ? ", " : ""); 367 comma = 1; 368 } 369 if (sb_flags & SB_AUTOSIZE) { 370 db_printf("%sSB_AUTOSIZE", comma ? ", " : ""); 371 comma = 1; 372 } 373 } 374 375 static void 376 db_print_sockbuf(struct sockbuf *sb, const char *sockbufname, int indent) 377 { 378 379 db_print_indent(indent); 380 db_printf("%s at %p\n", sockbufname, sb); 381 382 indent += 2; 383 384 db_print_indent(indent); 385 db_printf("sb_state: 0x%x (", sb->sb_state); 386 db_print_sbstate(sb->sb_state); 387 db_printf(")\n"); 388 389 db_print_indent(indent); 390 db_printf("sb_mb: %p ", sb->sb_mb); 391 db_printf("sb_mbtail: %p ", sb->sb_mbtail); 392 db_printf("sb_lastrecord: %p\n", sb->sb_lastrecord); 393 394 db_print_indent(indent); 395 db_printf("sb_sndptr: %p ", sb->sb_sndptr); 396 db_printf("sb_sndptroff: %u\n", sb->sb_sndptroff); 397 398 db_print_indent(indent); 399 db_printf("sb_cc: %u ", sb->sb_cc); 400 db_printf("sb_hiwat: %u ", sb->sb_hiwat); 401 db_printf("sb_mbcnt: %u ", sb->sb_mbcnt); 402 db_printf("sb_mbmax: %u\n", sb->sb_mbmax); 403 404 db_print_indent(indent); 405 db_printf("sb_ctl: %u ", sb->sb_ctl); 406 db_printf("sb_lowat: %d ", sb->sb_lowat); 407 db_printf("sb_timeo: %d\n", sb->sb_timeo); 408 409 db_print_indent(indent); 410 db_printf("sb_flags: 0x%x (", sb->sb_flags); 411 db_print_sbflags(sb->sb_flags); 412 db_printf(")\n"); 413 } 414 415 static void 416 db_print_socket(struct socket *so, const char *socketname, int indent) 417 { 418 419 db_print_indent(indent); 420 db_printf("%s at %p\n", socketname, so); 421 422 indent += 2; 423 424 db_print_indent(indent); 425 db_printf("so_count: %d ", so->so_count); 426 db_printf("so_type: %d (", so->so_type); 427 db_print_sotype(so->so_type); 428 db_printf(")\n"); 429 430 db_print_indent(indent); 431 db_printf("so_options: 0x%x (", so->so_options); 432 db_print_sooptions(so->so_options); 433 db_printf(")\n"); 434 435 db_print_indent(indent); 436 db_printf("so_linger: %d ", so->so_linger); 437 db_printf("so_state: 0x%x (", so->so_state); 438 db_print_sostate(so->so_state); 439 db_printf(")\n"); 440 441 db_print_indent(indent); 442 db_printf("so_qstate: 0x%x (", so->so_qstate); 443 db_print_soqstate(so->so_qstate); 444 db_printf(") "); 445 db_printf("so_pcb: %p ", so->so_pcb); 446 db_printf("so_proto: %p\n", so->so_proto); 447 448 if (so->so_proto != NULL) 449 db_print_protosw(so->so_proto, "so_proto", indent); 450 451 db_print_indent(indent); 452 db_printf("so_head: %p ", so->so_head); 453 db_printf("so_incomp first: %p ", TAILQ_FIRST(&so->so_incomp)); 454 db_printf("so_comp first: %p\n", TAILQ_FIRST(&so->so_comp)); 455 456 db_print_indent(indent); 457 /* so_list skipped */ 458 db_printf("so_qlen: %d ", so->so_qlen); 459 db_printf("so_incqlen: %d ", so->so_incqlen); 460 db_printf("so_qlimit: %d ", so->so_qlimit); 461 db_printf("so_timeo: %d ", so->so_timeo); 462 db_printf("so_error: %d\n", so->so_error); 463 464 db_print_indent(indent); 465 db_printf("so_sigio: %p ", so->so_sigio); 466 db_printf("so_oobmark: %lu ", so->so_oobmark); 467 db_printf("so_aiojobq first: %p\n", TAILQ_FIRST(&so->so_aiojobq)); 468 469 db_print_sockbuf(&so->so_rcv, "so_rcv", indent); 470 db_print_sockbuf(&so->so_snd, "so_snd", indent); 471 } 472 473 DB_SHOW_COMMAND(socket, db_show_socket) 474 { 475 struct socket *so; 476 477 if (!have_addr) { 478 db_printf("usage: show socket <addr>\n"); 479 return; 480 } 481 so = (struct socket *)addr; 482 483 db_print_socket(so, "socket", 0); 484 } 485 486 DB_SHOW_COMMAND(sockbuf, db_show_sockbuf) 487 { 488 struct sockbuf *sb; 489 490 if (!have_addr) { 491 db_printf("usage: show sockbuf <addr>\n"); 492 return; 493 } 494 sb = (struct sockbuf *)addr; 495 496 db_print_sockbuf(sb, "sockbuf", 0); 497 } 498 499 DB_SHOW_COMMAND(protosw, db_show_protosw) 500 { 501 struct protosw *pr; 502 503 if (!have_addr) { 504 db_printf("usage: show protosw <addr>\n"); 505 return; 506 } 507 pr = (struct protosw *)addr; 508 509 db_print_protosw(pr, "protosw", 0); 510 } 511 512 DB_SHOW_COMMAND(domain, db_show_domain) 513 { 514 struct domain *d; 515 516 if (!have_addr) { 517 db_printf("usage: show protosw <addr>\n"); 518 return; 519 } 520 d = (struct domain *)addr; 521 522 db_print_domain(d, "domain", 0); 523 } 524 #endif 525