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