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