1 /* 2 * Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 #include <sys/cdefs.h> 27 __FBSDID("$FreeBSD$"); 28 29 #define L2CAP_SOCKET_CHECKED 30 31 #include <sys/types.h> 32 #include <sys/acl.h> 33 #include <sys/capsicum.h> 34 #include <sys/event.h> 35 #include <sys/extattr.h> 36 #include <sys/linker.h> 37 #include <sys/mman.h> 38 #include <sys/mount.h> 39 #include <sys/procctl.h> 40 #include <sys/ptrace.h> 41 #include <sys/reboot.h> 42 #include <sys/resource.h> 43 #include <sys/rtprio.h> 44 #include <sys/sem.h> 45 #include <sys/shm.h> 46 #include <sys/socket.h> 47 #include <sys/stat.h> 48 #include <sys/thr.h> 49 #include <sys/umtx.h> 50 #include <machine/sysarch.h> 51 #include <netinet/in.h> 52 #include <netinet/sctp.h> 53 #include <netinet/tcp.h> 54 #include <netinet/udp.h> 55 #include <netinet/udplite.h> 56 #include <nfsserver/nfs.h> 57 #include <ufs/ufs/quota.h> 58 #include <vm/vm.h> 59 #include <vm/vm_param.h> 60 #include <aio.h> 61 #include <fcntl.h> 62 #include <sched.h> 63 #include <stdbool.h> 64 #include <stdio.h> 65 #include <stdlib.h> 66 #include <strings.h> 67 #include <sysdecode.h> 68 #include <unistd.h> 69 #include <sys/bitstring.h> 70 #include <netgraph/bluetooth/include/ng_hci.h> 71 #include <netgraph/bluetooth/include/ng_l2cap.h> 72 #include <netgraph/bluetooth/include/ng_btsocket.h> 73 74 /* 75 * This is taken from the xlat tables originally in truss which were 76 * in turn taken from strace. 77 */ 78 struct name_table { 79 uintmax_t val; 80 const char *str; 81 }; 82 83 #define X(a) { a, #a }, 84 #define XEND { 0, NULL } 85 86 #define TABLE_START(n) static struct name_table n[] = { 87 #define TABLE_ENTRY X 88 #define TABLE_END XEND }; 89 90 #include "tables.h" 91 92 #undef TABLE_START 93 #undef TABLE_ENTRY 94 #undef TABLE_END 95 96 /* 97 * These are simple support macros. print_or utilizes a variable 98 * defined in the calling function to track whether or not it should 99 * print a logical-OR character ('|') before a string. if_print_or 100 * simply handles the necessary "if" statement used in many lines 101 * of this file. 102 */ 103 #define print_or(fp,str,orflag) do { \ 104 if (orflag) fputc(fp, '|'); else orflag = true; \ 105 fprintf(fp, str); } \ 106 while (0) 107 #define if_print_or(fp,i,flag,orflag) do { \ 108 if ((i & flag) == flag) \ 109 print_or(fp,#flag,orflag); } \ 110 while (0) 111 112 static const char * 113 lookup_value(struct name_table *table, uintmax_t val) 114 { 115 116 for (; table->str != NULL; table++) 117 if (table->val == val) 118 return (table->str); 119 return (NULL); 120 } 121 122 /* 123 * Used when the value maps to a bitmask of #definition values in the 124 * table. This is a helper routine which outputs a symbolic mask of 125 * matched masks. Multiple masks are separated by a pipe ('|'). 126 * The value is modified on return to only hold unmatched bits. 127 */ 128 static void 129 print_mask_part(FILE *fp, struct name_table *table, uintmax_t *valp, 130 bool *printed) 131 { 132 uintmax_t rem; 133 134 rem = *valp; 135 for (; table->str != NULL; table++) { 136 if ((table->val & rem) == table->val) { 137 /* 138 * Only print a zero mask if the raw value is 139 * zero. 140 */ 141 if (table->val == 0 && *valp != 0) 142 continue; 143 fprintf(fp, "%s%s", *printed ? "|" : "", table->str); 144 *printed = true; 145 rem &= ~table->val; 146 } 147 } 148 149 *valp = rem; 150 } 151 152 /* 153 * Used when the value maps to a bitmask of #definition values in the 154 * table. The return value is true if something was printed. If 155 * rem is not NULL, *rem holds any bits not decoded if something was 156 * printed. If nothing was printed and rem is not NULL, *rem holds 157 * the original value. 158 */ 159 static bool 160 print_mask_int(FILE *fp, struct name_table *table, int ival, int *rem) 161 { 162 uintmax_t val; 163 bool printed; 164 165 printed = false; 166 val = (unsigned)ival; 167 print_mask_part(fp, table, &val, &printed); 168 if (rem != NULL) 169 *rem = val; 170 return (printed); 171 } 172 173 /* 174 * Used for a mask of optional flags where a value of 0 is valid. 175 */ 176 static bool 177 print_mask_0(FILE *fp, struct name_table *table, int val, int *rem) 178 { 179 180 if (val == 0) { 181 fputs("0", fp); 182 if (rem != NULL) 183 *rem = 0; 184 return (true); 185 } 186 return (print_mask_int(fp, table, val, rem)); 187 } 188 189 /* 190 * Like print_mask_0 but for a unsigned long instead of an int. 191 */ 192 static bool 193 print_mask_0ul(FILE *fp, struct name_table *table, u_long lval, u_long *rem) 194 { 195 uintmax_t val; 196 bool printed; 197 198 if (lval == 0) { 199 fputs("0", fp); 200 if (rem != NULL) 201 *rem = 0; 202 return (true); 203 } 204 205 printed = false; 206 val = lval; 207 print_mask_part(fp, table, &val, &printed); 208 if (rem != NULL) 209 *rem = val; 210 return (printed); 211 } 212 213 static void 214 print_integer(FILE *fp, int val, int base) 215 { 216 217 switch (base) { 218 case 8: 219 fprintf(fp, "0%o", val); 220 break; 221 case 10: 222 fprintf(fp, "%d", val); 223 break; 224 case 16: 225 fprintf(fp, "0x%x", val); 226 break; 227 default: 228 abort2("bad base", 0, NULL); 229 break; 230 } 231 } 232 233 static bool 234 print_value(FILE *fp, struct name_table *table, uintmax_t val) 235 { 236 const char *str; 237 238 str = lookup_value(table, val); 239 if (str != NULL) { 240 fputs(str, fp); 241 return (true); 242 } 243 return (false); 244 } 245 246 const char * 247 sysdecode_atfd(int fd) 248 { 249 250 if (fd == AT_FDCWD) 251 return ("AT_FDCWD"); 252 return (NULL); 253 } 254 255 bool 256 sysdecode_atflags(FILE *fp, int flag, int *rem) 257 { 258 259 return (print_mask_int(fp, atflags, flag, rem)); 260 } 261 262 static struct name_table semctlops[] = { 263 X(GETNCNT) X(GETPID) X(GETVAL) X(GETALL) X(GETZCNT) X(SETVAL) X(SETALL) 264 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND 265 }; 266 267 const char * 268 sysdecode_semctl_cmd(int cmd) 269 { 270 271 return (lookup_value(semctlops, cmd)); 272 } 273 274 static struct name_table shmctlops[] = { 275 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND 276 }; 277 278 const char * 279 sysdecode_shmctl_cmd(int cmd) 280 { 281 282 return (lookup_value(shmctlops, cmd)); 283 } 284 285 const char * 286 sysdecode_msgctl_cmd(int cmd) 287 { 288 289 return (sysdecode_shmctl_cmd(cmd)); 290 } 291 292 static struct name_table semgetflags[] = { 293 X(IPC_CREAT) X(IPC_EXCL) X(SEM_R) X(SEM_A) X((SEM_R>>3)) X((SEM_A>>3)) 294 X((SEM_R>>6)) X((SEM_A>>6)) XEND 295 }; 296 297 bool 298 sysdecode_semget_flags(FILE *fp, int flag, int *rem) 299 { 300 301 return (print_mask_int(fp, semgetflags, flag, rem)); 302 } 303 304 static struct name_table idtypes[] = { 305 X(P_PID) X(P_PPID) X(P_PGID) X(P_SID) X(P_CID) X(P_UID) X(P_GID) 306 X(P_ALL) X(P_LWPID) X(P_TASKID) X(P_PROJID) X(P_POOLID) X(P_JAILID) 307 X(P_CTID) X(P_CPUID) X(P_PSETID) XEND 308 }; 309 310 /* XXX: idtype is really an idtype_t */ 311 const char * 312 sysdecode_idtype(int idtype) 313 { 314 315 return (lookup_value(idtypes, idtype)); 316 } 317 318 /* 319 * [g|s]etsockopt's level argument can either be SOL_SOCKET or a 320 * protocol-specific value. 321 */ 322 const char * 323 sysdecode_sockopt_level(int level) 324 { 325 const char *str; 326 327 if (level == SOL_SOCKET) 328 return ("SOL_SOCKET"); 329 330 /* SOL_* constants for Bluetooth sockets. */ 331 str = lookup_value(ngbtsolevel, level); 332 if (str != NULL) 333 return (str); 334 335 /* 336 * IP and Infiniband sockets use IP protocols as levels. Not all 337 * protocols are valid but it is simpler to just allow all of them. 338 * 339 * XXX: IPPROTO_IP == 0, but UNIX domain sockets use a level of 0 340 * for private options. 341 */ 342 str = sysdecode_ipproto(level); 343 if (str != NULL) 344 return (str); 345 346 return (NULL); 347 } 348 349 bool 350 sysdecode_vmprot(FILE *fp, int type, int *rem) 351 { 352 353 return (print_mask_int(fp, vmprot, type, rem)); 354 } 355 356 static struct name_table sockflags[] = { 357 X(SOCK_CLOEXEC) X(SOCK_NONBLOCK) XEND 358 }; 359 360 bool 361 sysdecode_socket_type(FILE *fp, int type, int *rem) 362 { 363 const char *str; 364 uintmax_t val; 365 bool printed; 366 367 str = lookup_value(socktype, type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK)); 368 if (str != NULL) { 369 fputs(str, fp); 370 *rem = 0; 371 printed = true; 372 } else { 373 *rem = type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK); 374 printed = false; 375 } 376 val = type & (SOCK_CLOEXEC | SOCK_NONBLOCK); 377 print_mask_part(fp, sockflags, &val, &printed); 378 return (printed); 379 } 380 381 bool 382 sysdecode_access_mode(FILE *fp, int mode, int *rem) 383 { 384 385 return (print_mask_int(fp, accessmode, mode, rem)); 386 } 387 388 /* XXX: 'type' is really an acl_type_t. */ 389 const char * 390 sysdecode_acltype(int type) 391 { 392 393 return (lookup_value(acltype, type)); 394 } 395 396 bool 397 sysdecode_cap_fcntlrights(FILE *fp, uint32_t rights, uint32_t *rem) 398 { 399 400 return (print_mask_int(fp, capfcntl, rights, rem)); 401 } 402 403 const char * 404 sysdecode_extattrnamespace(int namespace) 405 { 406 407 return (lookup_value(extattrns, namespace)); 408 } 409 410 const char * 411 sysdecode_fadvice(int advice) 412 { 413 414 return (lookup_value(fadvisebehav, advice)); 415 } 416 417 bool 418 sysdecode_open_flags(FILE *fp, int flags, int *rem) 419 { 420 bool printed; 421 int mode; 422 uintmax_t val; 423 424 mode = flags & O_ACCMODE; 425 flags &= ~O_ACCMODE; 426 switch (mode) { 427 case O_RDONLY: 428 if (flags & O_EXEC) { 429 flags &= ~O_EXEC; 430 fputs("O_EXEC", fp); 431 } else 432 fputs("O_RDONLY", fp); 433 printed = true; 434 mode = 0; 435 break; 436 case O_WRONLY: 437 fputs("O_WRONLY", fp); 438 printed = true; 439 mode = 0; 440 break; 441 case O_RDWR: 442 fputs("O_RDWR", fp); 443 printed = true; 444 mode = 0; 445 break; 446 default: 447 printed = false; 448 } 449 val = (unsigned)flags; 450 print_mask_part(fp, openflags, &val, &printed); 451 if (rem != NULL) 452 *rem = val | mode; 453 return (printed); 454 } 455 456 bool 457 sysdecode_fcntl_fileflags(FILE *fp, int flags, int *rem) 458 { 459 bool printed; 460 int oflags; 461 462 /* 463 * The file flags used with F_GETFL/F_SETFL mostly match the 464 * flags passed to open(2). However, a few open-only flag 465 * bits have been repurposed for fcntl-only flags. 466 */ 467 oflags = flags & ~(O_NOFOLLOW | FRDAHEAD); 468 printed = sysdecode_open_flags(fp, oflags, rem); 469 if (flags & O_NOFOLLOW) { 470 fprintf(fp, "%sFPOIXSHM", printed ? "|" : ""); 471 printed = true; 472 } 473 if (flags & FRDAHEAD) { 474 fprintf(fp, "%sFRDAHEAD", printed ? "|" : ""); 475 printed = true; 476 } 477 return (printed); 478 } 479 480 bool 481 sysdecode_flock_operation(FILE *fp, int operation, int *rem) 482 { 483 484 return (print_mask_int(fp, flockops, operation, rem)); 485 } 486 487 static struct name_table getfsstatmode[] = { 488 X(MNT_WAIT) X(MNT_NOWAIT) XEND 489 }; 490 491 const char * 492 sysdecode_getfsstat_mode(int mode) 493 { 494 495 return (lookup_value(getfsstatmode, mode)); 496 } 497 498 const char * 499 sysdecode_getrusage_who(int who) 500 { 501 502 return (lookup_value(rusage, who)); 503 } 504 505 static struct name_table kevent_user_ffctrl[] = { 506 X(NOTE_FFNOP) X(NOTE_FFAND) X(NOTE_FFOR) X(NOTE_FFCOPY) 507 XEND 508 }; 509 510 static struct name_table kevent_rdwr_fflags[] = { 511 X(NOTE_LOWAT) X(NOTE_FILE_POLL) XEND 512 }; 513 514 static struct name_table kevent_vnode_fflags[] = { 515 X(NOTE_DELETE) X(NOTE_WRITE) X(NOTE_EXTEND) X(NOTE_ATTRIB) 516 X(NOTE_LINK) X(NOTE_RENAME) X(NOTE_REVOKE) X(NOTE_OPEN) X(NOTE_CLOSE) 517 X(NOTE_CLOSE_WRITE) X(NOTE_READ) XEND 518 }; 519 520 static struct name_table kevent_proc_fflags[] = { 521 X(NOTE_EXIT) X(NOTE_FORK) X(NOTE_EXEC) X(NOTE_TRACK) X(NOTE_TRACKERR) 522 X(NOTE_CHILD) XEND 523 }; 524 525 static struct name_table kevent_timer_fflags[] = { 526 X(NOTE_SECONDS) X(NOTE_MSECONDS) X(NOTE_USECONDS) X(NOTE_NSECONDS) 527 X(NOTE_ABSTIME) XEND 528 }; 529 530 void 531 sysdecode_kevent_fflags(FILE *fp, short filter, int fflags, int base) 532 { 533 int rem; 534 535 if (fflags == 0) { 536 fputs("0", fp); 537 return; 538 } 539 540 switch (filter) { 541 case EVFILT_READ: 542 case EVFILT_WRITE: 543 if (!print_mask_int(fp, kevent_rdwr_fflags, fflags, &rem)) 544 fprintf(fp, "%#x", rem); 545 else if (rem != 0) 546 fprintf(fp, "|%#x", rem); 547 break; 548 case EVFILT_VNODE: 549 if (!print_mask_int(fp, kevent_vnode_fflags, fflags, &rem)) 550 fprintf(fp, "%#x", rem); 551 else if (rem != 0) 552 fprintf(fp, "|%#x", rem); 553 break; 554 case EVFILT_PROC: 555 case EVFILT_PROCDESC: 556 if (!print_mask_int(fp, kevent_proc_fflags, fflags, &rem)) 557 fprintf(fp, "%#x", rem); 558 else if (rem != 0) 559 fprintf(fp, "|%#x", rem); 560 break; 561 case EVFILT_TIMER: 562 if (!print_mask_int(fp, kevent_timer_fflags, fflags, &rem)) 563 fprintf(fp, "%#x", rem); 564 else if (rem != 0) 565 fprintf(fp, "|%#x", rem); 566 break; 567 case EVFILT_USER: { 568 unsigned int ctrl, data; 569 570 ctrl = fflags & NOTE_FFCTRLMASK; 571 data = fflags & NOTE_FFLAGSMASK; 572 573 if (fflags & NOTE_TRIGGER) { 574 fputs("NOTE_TRIGGER", fp); 575 if (fflags == NOTE_TRIGGER) 576 return; 577 fputc('|', fp); 578 } 579 580 /* 581 * An event with 'ctrl' == NOTE_FFNOP is either a reported 582 * (output) event for which only 'data' should be output 583 * or a pointless input event. Assume that pointless 584 * input events don't occur in practice. An event with 585 * NOTE_TRIGGER is always an input event. 586 */ 587 if (ctrl != NOTE_FFNOP || fflags & NOTE_TRIGGER) { 588 fprintf(fp, "%s|%#x", 589 lookup_value(kevent_user_ffctrl, ctrl), data); 590 } else { 591 print_integer(fp, data, base); 592 } 593 break; 594 } 595 default: 596 print_integer(fp, fflags, base); 597 break; 598 } 599 } 600 601 bool 602 sysdecode_kevent_flags(FILE *fp, int flags, int *rem) 603 { 604 605 return (print_mask_int(fp, keventflags, flags, rem)); 606 } 607 608 const char * 609 sysdecode_kevent_filter(int filter) 610 { 611 612 return (lookup_value(keventfilters, filter)); 613 } 614 615 const char * 616 sysdecode_kldsym_cmd(int cmd) 617 { 618 619 return (lookup_value(kldsymcmd, cmd)); 620 } 621 622 const char * 623 sysdecode_kldunload_flags(int flags) 624 { 625 626 return (lookup_value(kldunloadfflags, flags)); 627 } 628 629 const char * 630 sysdecode_lio_listio_mode(int mode) 631 { 632 633 return (lookup_value(lio_listiomodes, mode)); 634 } 635 636 const char * 637 sysdecode_madvice(int advice) 638 { 639 640 return (lookup_value(madvisebehav, advice)); 641 } 642 643 const char * 644 sysdecode_minherit_inherit(int inherit) 645 { 646 647 return (lookup_value(minheritflags, inherit)); 648 } 649 650 bool 651 sysdecode_mlockall_flags(FILE *fp, int flags, int *rem) 652 { 653 654 return (print_mask_int(fp, mlockallflags, flags, rem)); 655 } 656 657 bool 658 sysdecode_mmap_prot(FILE *fp, int prot, int *rem) 659 { 660 int protm; 661 bool printed; 662 663 printed = false; 664 protm = PROT_MAX_EXTRACT(prot); 665 if (protm != 0) { 666 fputs("PROT_MAX(", fp); 667 printed = print_mask_int(fp, mmapprot, protm, rem); 668 fputs(")|", fp); 669 prot = protm; 670 } 671 return (print_mask_int(fp, mmapprot, prot, rem) || printed); 672 } 673 674 bool 675 sysdecode_fileflags(FILE *fp, fflags_t flags, fflags_t *rem) 676 { 677 678 return (print_mask_0(fp, fileflags, flags, rem)); 679 } 680 681 bool 682 sysdecode_filemode(FILE *fp, int mode, int *rem) 683 { 684 685 return (print_mask_0(fp, filemode, mode, rem)); 686 } 687 688 bool 689 sysdecode_mount_flags(FILE *fp, int flags, int *rem) 690 { 691 692 return (print_mask_int(fp, mountflags, flags, rem)); 693 } 694 695 bool 696 sysdecode_msync_flags(FILE *fp, int flags, int *rem) 697 { 698 699 return (print_mask_int(fp, msyncflags, flags, rem)); 700 } 701 702 const char * 703 sysdecode_nfssvc_flags(int flags) 704 { 705 706 return (lookup_value(nfssvcflags, flags)); 707 } 708 709 static struct name_table pipe2flags[] = { 710 X(O_CLOEXEC) X(O_NONBLOCK) XEND 711 }; 712 713 bool 714 sysdecode_pipe2_flags(FILE *fp, int flags, int *rem) 715 { 716 717 return (print_mask_0(fp, pipe2flags, flags, rem)); 718 } 719 720 const char * 721 sysdecode_prio_which(int which) 722 { 723 724 return (lookup_value(prio, which)); 725 } 726 727 const char * 728 sysdecode_procctl_cmd(int cmd) 729 { 730 731 return (lookup_value(procctlcmd, cmd)); 732 } 733 734 const char * 735 sysdecode_ptrace_request(int request) 736 { 737 738 return (lookup_value(ptraceop, request)); 739 } 740 741 static struct name_table quotatypes[] = { 742 X(GRPQUOTA) X(USRQUOTA) XEND 743 }; 744 745 bool 746 sysdecode_quotactl_cmd(FILE *fp, int cmd) 747 { 748 const char *primary, *type; 749 750 primary = lookup_value(quotactlcmds, cmd >> SUBCMDSHIFT); 751 if (primary == NULL) 752 return (false); 753 fprintf(fp, "QCMD(%s,", primary); 754 type = lookup_value(quotatypes, cmd & SUBCMDMASK); 755 if (type != NULL) 756 fprintf(fp, "%s", type); 757 else 758 fprintf(fp, "%#x", cmd & SUBCMDMASK); 759 fprintf(fp, ")"); 760 return (true); 761 } 762 763 bool 764 sysdecode_reboot_howto(FILE *fp, int howto, int *rem) 765 { 766 bool printed; 767 768 /* 769 * RB_AUTOBOOT is special in that its value is zero, but it is 770 * also an implied argument if a different operation is not 771 * requested via RB_HALT, RB_POWERCYCLE, RB_POWEROFF, or 772 * RB_REROOT. 773 */ 774 if (howto != 0 && (howto & (RB_HALT | RB_POWEROFF | RB_REROOT | 775 RB_POWERCYCLE)) == 0) { 776 fputs("RB_AUTOBOOT|", fp); 777 printed = true; 778 } else 779 printed = false; 780 return (print_mask_int(fp, rebootopt, howto, rem) || printed); 781 } 782 783 bool 784 sysdecode_rfork_flags(FILE *fp, int flags, int *rem) 785 { 786 787 return (print_mask_int(fp, rforkflags, flags, rem)); 788 } 789 790 const char * 791 sysdecode_rlimit(int resource) 792 { 793 794 return (lookup_value(rlimit, resource)); 795 } 796 797 const char * 798 sysdecode_scheduler_policy(int policy) 799 { 800 801 return (lookup_value(schedpolicy, policy)); 802 } 803 804 bool 805 sysdecode_sendfile_flags(FILE *fp, int flags, int *rem) 806 { 807 808 return (print_mask_int(fp, sendfileflags, flags, rem)); 809 } 810 811 bool 812 sysdecode_shmat_flags(FILE *fp, int flags, int *rem) 813 { 814 815 return (print_mask_int(fp, shmatflags, flags, rem)); 816 } 817 818 const char * 819 sysdecode_shutdown_how(int how) 820 { 821 822 return (lookup_value(shutdownhow, how)); 823 } 824 825 const char * 826 sysdecode_sigbus_code(int si_code) 827 { 828 829 return (lookup_value(sigbuscode, si_code)); 830 } 831 832 const char * 833 sysdecode_sigchld_code(int si_code) 834 { 835 836 return (lookup_value(sigchldcode, si_code)); 837 } 838 839 const char * 840 sysdecode_sigfpe_code(int si_code) 841 { 842 843 return (lookup_value(sigfpecode, si_code)); 844 } 845 846 const char * 847 sysdecode_sigill_code(int si_code) 848 { 849 850 return (lookup_value(sigillcode, si_code)); 851 } 852 853 const char * 854 sysdecode_sigsegv_code(int si_code) 855 { 856 857 return (lookup_value(sigsegvcode, si_code)); 858 } 859 860 const char * 861 sysdecode_sigtrap_code(int si_code) 862 { 863 864 return (lookup_value(sigtrapcode, si_code)); 865 } 866 867 const char * 868 sysdecode_sigprocmask_how(int how) 869 { 870 871 return (lookup_value(sigprocmaskhow, how)); 872 } 873 874 const char * 875 sysdecode_socketdomain(int domain) 876 { 877 878 return (lookup_value(sockdomain, domain)); 879 } 880 881 const char * 882 sysdecode_socket_protocol(int domain, int protocol) 883 { 884 885 switch (domain) { 886 case PF_INET: 887 case PF_INET6: 888 return (lookup_value(sockipproto, protocol)); 889 default: 890 return (NULL); 891 } 892 } 893 894 const char * 895 sysdecode_sockaddr_family(int sa_family) 896 { 897 898 return (lookup_value(sockfamily, sa_family)); 899 } 900 901 const char * 902 sysdecode_ipproto(int protocol) 903 { 904 905 return (lookup_value(sockipproto, protocol)); 906 } 907 908 const char * 909 sysdecode_sockopt_name(int level, int optname) 910 { 911 912 if (level == SOL_SOCKET) 913 return (lookup_value(sockopt, optname)); 914 if (level == IPPROTO_IP) 915 /* XXX: UNIX domain socket options use a level of 0 also. */ 916 return (lookup_value(sockoptip, optname)); 917 if (level == IPPROTO_IPV6) 918 return (lookup_value(sockoptipv6, optname)); 919 if (level == IPPROTO_SCTP) 920 return (lookup_value(sockoptsctp, optname)); 921 if (level == IPPROTO_TCP) 922 return (lookup_value(sockopttcp, optname)); 923 if (level == IPPROTO_UDP) 924 return (lookup_value(sockoptudp, optname)); 925 if (level == IPPROTO_UDPLITE) 926 return (lookup_value(sockoptudplite, optname)); 927 return (NULL); 928 } 929 930 bool 931 sysdecode_thr_create_flags(FILE *fp, int flags, int *rem) 932 { 933 934 return (print_mask_int(fp, thrcreateflags, flags, rem)); 935 } 936 937 const char * 938 sysdecode_umtx_op(int op) 939 { 940 941 return (lookup_value(umtxop, op)); 942 } 943 944 const char * 945 sysdecode_vmresult(int result) 946 { 947 948 return (lookup_value(vmresult, result)); 949 } 950 951 bool 952 sysdecode_wait4_options(FILE *fp, int options, int *rem) 953 { 954 bool printed; 955 int opt6; 956 957 /* A flags value of 0 is normal. */ 958 if (options == 0) { 959 fputs("0", fp); 960 if (rem != NULL) 961 *rem = 0; 962 return (true); 963 } 964 965 /* 966 * These flags are implicit and aren't valid flags for wait4() 967 * directly (though they don't fail with EINVAL). 968 */ 969 opt6 = options & (WEXITED | WTRAPPED); 970 options &= ~opt6; 971 printed = print_mask_int(fp, wait6opt, options, rem); 972 if (rem != NULL) 973 *rem |= opt6; 974 return (printed); 975 } 976 977 bool 978 sysdecode_wait6_options(FILE *fp, int options, int *rem) 979 { 980 981 return (print_mask_int(fp, wait6opt, options, rem)); 982 } 983 984 const char * 985 sysdecode_whence(int whence) 986 { 987 988 return (lookup_value(seekwhence, whence)); 989 } 990 991 const char * 992 sysdecode_fcntl_cmd(int cmd) 993 { 994 995 return (lookup_value(fcntlcmd, cmd)); 996 } 997 998 static struct name_table fcntl_fd_arg[] = { 999 X(FD_CLOEXEC) X(0) XEND 1000 }; 1001 1002 bool 1003 sysdecode_fcntl_arg_p(int cmd) 1004 { 1005 1006 switch (cmd) { 1007 case F_GETFD: 1008 case F_GETFL: 1009 case F_GETOWN: 1010 return (false); 1011 default: 1012 return (true); 1013 } 1014 } 1015 1016 void 1017 sysdecode_fcntl_arg(FILE *fp, int cmd, uintptr_t arg, int base) 1018 { 1019 int rem; 1020 1021 switch (cmd) { 1022 case F_SETFD: 1023 if (!print_value(fp, fcntl_fd_arg, arg)) 1024 print_integer(fp, arg, base); 1025 break; 1026 case F_SETFL: 1027 if (!sysdecode_fcntl_fileflags(fp, arg, &rem)) 1028 fprintf(fp, "%#x", rem); 1029 else if (rem != 0) 1030 fprintf(fp, "|%#x", rem); 1031 break; 1032 case F_GETLK: 1033 case F_SETLK: 1034 case F_SETLKW: 1035 fprintf(fp, "%p", (void *)arg); 1036 break; 1037 default: 1038 print_integer(fp, arg, base); 1039 break; 1040 } 1041 } 1042 1043 bool 1044 sysdecode_mmap_flags(FILE *fp, int flags, int *rem) 1045 { 1046 uintmax_t val; 1047 bool printed; 1048 int align; 1049 1050 /* 1051 * MAP_ALIGNED can't be handled directly by print_mask_int(). 1052 * MAP_32BIT is also problematic since it isn't defined for 1053 * all platforms. 1054 */ 1055 printed = false; 1056 align = flags & MAP_ALIGNMENT_MASK; 1057 val = (unsigned)flags & ~MAP_ALIGNMENT_MASK; 1058 print_mask_part(fp, mmapflags, &val, &printed); 1059 #ifdef MAP_32BIT 1060 if (val & MAP_32BIT) { 1061 fprintf(fp, "%sMAP_32BIT", printed ? "|" : ""); 1062 printed = true; 1063 val &= ~MAP_32BIT; 1064 } 1065 #endif 1066 if (align != 0) { 1067 if (printed) 1068 fputc('|', fp); 1069 if (align == MAP_ALIGNED_SUPER) 1070 fputs("MAP_ALIGNED_SUPER", fp); 1071 else 1072 fprintf(fp, "MAP_ALIGNED(%d)", 1073 align >> MAP_ALIGNMENT_SHIFT); 1074 printed = true; 1075 } 1076 if (rem != NULL) 1077 *rem = val; 1078 return (printed); 1079 } 1080 1081 const char * 1082 sysdecode_pathconf_name(int name) 1083 { 1084 1085 return (lookup_value(pathconfname, name)); 1086 } 1087 1088 const char * 1089 sysdecode_rtprio_function(int function) 1090 { 1091 1092 return (lookup_value(rtpriofuncs, function)); 1093 } 1094 1095 bool 1096 sysdecode_msg_flags(FILE *fp, int flags, int *rem) 1097 { 1098 1099 return (print_mask_0(fp, msgflags, flags, rem)); 1100 } 1101 1102 const char * 1103 sysdecode_sigcode(int sig, int si_code) 1104 { 1105 const char *str; 1106 1107 str = lookup_value(sigcode, si_code); 1108 if (str != NULL) 1109 return (str); 1110 1111 switch (sig) { 1112 case SIGILL: 1113 return (sysdecode_sigill_code(si_code)); 1114 case SIGBUS: 1115 return (sysdecode_sigbus_code(si_code)); 1116 case SIGSEGV: 1117 return (sysdecode_sigsegv_code(si_code)); 1118 case SIGFPE: 1119 return (sysdecode_sigfpe_code(si_code)); 1120 case SIGTRAP: 1121 return (sysdecode_sigtrap_code(si_code)); 1122 case SIGCHLD: 1123 return (sysdecode_sigchld_code(si_code)); 1124 default: 1125 return (NULL); 1126 } 1127 } 1128 1129 const char * 1130 sysdecode_sysarch_number(int number) 1131 { 1132 1133 return (lookup_value(sysarchnum, number)); 1134 } 1135 1136 bool 1137 sysdecode_umtx_cvwait_flags(FILE *fp, u_long flags, u_long *rem) 1138 { 1139 1140 return (print_mask_0ul(fp, umtxcvwaitflags, flags, rem)); 1141 } 1142 1143 bool 1144 sysdecode_umtx_rwlock_flags(FILE *fp, u_long flags, u_long *rem) 1145 { 1146 1147 return (print_mask_0ul(fp, umtxrwlockflags, flags, rem)); 1148 } 1149 1150 void 1151 sysdecode_cap_rights(FILE *fp, cap_rights_t *rightsp) 1152 { 1153 struct name_table *t; 1154 int i; 1155 bool comma; 1156 1157 for (i = 0; i < CAPARSIZE(rightsp); i++) { 1158 if (CAPIDXBIT(rightsp->cr_rights[i]) != 1 << i) { 1159 fprintf(fp, "invalid cap_rights_t"); 1160 return; 1161 } 1162 } 1163 comma = false; 1164 for (t = caprights; t->str != NULL; t++) { 1165 if (cap_rights_is_set(rightsp, t->val)) { 1166 fprintf(fp, "%s%s", comma ? "," : "", t->str); 1167 comma = true; 1168 } 1169 } 1170 } 1171 1172 static struct name_table cmsgtypeip[] = { 1173 X(IP_RECVDSTADDR) X(IP_RECVTTL) X(IP_RECVOPTS) X(IP_RECVRETOPTS) 1174 X(IP_RECVIF) X(IP_RECVTOS) X(IP_FLOWID) X(IP_FLOWTYPE) 1175 X(IP_RSSBUCKETID) XEND 1176 }; 1177 1178 static struct name_table cmsgtypeipv6[] = { 1179 #if 0 1180 /* The RFC 2292 defines are kernel space only. */ 1181 X(IPV6_2292PKTINFO) X(IPV6_2292HOPLIMIT) X(IPV6_2292HOPOPTS) 1182 X(IPV6_2292DSTOPTS) X(IPV6_2292RTHDR) X(IPV6_2292NEXTHOP) 1183 #endif 1184 X(IPV6_PKTINFO) X(IPV6_HOPLIMIT) X(IPV6_HOPOPTS) 1185 X(IPV6_DSTOPTS) X(IPV6_RTHDR) X(IPV6_NEXTHOP) 1186 X(IPV6_TCLASS) X(IPV6_FLOWID) X(IPV6_FLOWTYPE) X(IPV6_RSSBUCKETID) 1187 X(IPV6_PATHMTU) X(IPV6_RTHDRDSTOPTS) X(IPV6_USE_MIN_MTU) 1188 X(IPV6_DONTFRAG) X(IPV6_PREFER_TEMPADDR) XEND 1189 }; 1190 1191 static struct name_table cmsgtypesctp[] = { 1192 X(SCTP_INIT) X(SCTP_SNDRCV) X(SCTP_EXTRCV) X(SCTP_SNDINFO) 1193 X(SCTP_RCVINFO) X(SCTP_NXTINFO) X(SCTP_PRINFO) X(SCTP_AUTHINFO) 1194 X(SCTP_DSTADDRV4) X(SCTP_DSTADDRV6) XEND 1195 }; 1196 1197 const char * 1198 sysdecode_cmsg_type(int cmsg_level, int cmsg_type) 1199 { 1200 1201 if (cmsg_level == SOL_SOCKET) 1202 return (lookup_value(cmsgtypesocket, cmsg_type)); 1203 if (cmsg_level == IPPROTO_IP) 1204 return (lookup_value(cmsgtypeip, cmsg_type)); 1205 if (cmsg_level == IPPROTO_IPV6) 1206 return (lookup_value(cmsgtypeipv6, cmsg_type)); 1207 if (cmsg_level == IPPROTO_SCTP) 1208 return (lookup_value(cmsgtypesctp, cmsg_type)); 1209 return (NULL); 1210 } 1211 1212 const char * 1213 sysdecode_sctp_pr_policy(int policy) 1214 { 1215 1216 return (lookup_value(sctpprpolicy, policy)); 1217 } 1218 1219 static struct name_table sctpsndflags[] = { 1220 X(SCTP_EOF) X(SCTP_ABORT) X(SCTP_UNORDERED) X(SCTP_ADDR_OVER) 1221 X(SCTP_SENDALL) X(SCTP_EOR) X(SCTP_SACK_IMMEDIATELY) XEND 1222 }; 1223 1224 bool 1225 sysdecode_sctp_snd_flags(FILE *fp, int flags, int *rem) 1226 { 1227 1228 return (print_mask_int(fp, sctpsndflags, flags, rem)); 1229 } 1230 1231 static struct name_table sctprcvflags[] = { 1232 X(SCTP_UNORDERED) XEND 1233 }; 1234 1235 bool 1236 sysdecode_sctp_rcv_flags(FILE *fp, int flags, int *rem) 1237 { 1238 1239 return (print_mask_int(fp, sctprcvflags, flags, rem)); 1240 } 1241 1242 static struct name_table sctpnxtflags[] = { 1243 X(SCTP_UNORDERED) X(SCTP_COMPLETE) X(SCTP_NOTIFICATION) XEND 1244 }; 1245 1246 bool 1247 sysdecode_sctp_nxt_flags(FILE *fp, int flags, int *rem) 1248 { 1249 1250 return (print_mask_int(fp, sctpnxtflags, flags, rem)); 1251 } 1252 1253 static struct name_table sctpsinfoflags[] = { 1254 X(SCTP_EOF) X(SCTP_ABORT) X(SCTP_UNORDERED) X(SCTP_ADDR_OVER) 1255 X(SCTP_SENDALL) X(SCTP_EOR) X(SCTP_SACK_IMMEDIATELY) XEND 1256 }; 1257 1258 void 1259 sysdecode_sctp_sinfo_flags(FILE *fp, int sinfo_flags) 1260 { 1261 const char *temp; 1262 int rem; 1263 bool printed; 1264 1265 printed = print_mask_0(fp, sctpsinfoflags, sinfo_flags, &rem); 1266 if (rem & ~SCTP_PR_SCTP_ALL) { 1267 fprintf(fp, "%s%#x", printed ? "|" : "", rem & ~SCTP_PR_SCTP_ALL); 1268 printed = true; 1269 rem &= ~SCTP_PR_SCTP_ALL; 1270 } 1271 if (rem != 0) { 1272 temp = sysdecode_sctp_pr_policy(rem); 1273 if (temp != NULL) { 1274 fprintf(fp, "%s%s", printed ? "|" : "", temp); 1275 } else { 1276 fprintf(fp, "%s%#x", printed ? "|" : "", rem); 1277 } 1278 } 1279 } 1280 1281 bool 1282 sysdecode_shmflags(FILE *fp, int flags, int *rem) 1283 { 1284 1285 return (print_mask_0(fp, shmflags, flags, rem)); 1286 } 1287