2 * Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
29 #define L2CAP_SOCKET_CHECKED
31 #include <sys/types.h>
33 #include <sys/capsicum.h>
34 #include <sys/extattr.h>
35 #include <sys/linker.h>
37 #include <sys/mount.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>
45 #include <sys/socket.h>
49 #include <netinet/in.h>
50 #include <netinet/tcp.h>
51 #include <netinet/udp.h>
52 #include <nfsserver/nfs.h>
53 #include <ufs/ufs/quota.h>
55 #include <vm/vm_param.h>
63 #include <sysdecode.h>
65 #include <sys/bitstring.h>
66 #include <netgraph/bluetooth/include/ng_hci.h>
67 #include <netgraph/bluetooth/include/ng_l2cap.h>
68 #include <netgraph/bluetooth/include/ng_btsocket.h>
71 * This is taken from the xlat tables originally in truss which were
72 * in turn taken from strace.
79 #define X(a) { a, #a },
80 #define XEND { 0, NULL }
82 #define TABLE_START(n) static struct name_table n[] = {
84 #define TABLE_END XEND };
93 * These are simple support macros. print_or utilizes a variable
94 * defined in the calling function to track whether or not it should
95 * print a logical-OR character ('|') before a string. if_print_or
96 * simply handles the necessary "if" statement used in many lines
99 #define print_or(fp,str,orflag) do { \
100 if (orflag) fputc(fp, '|'); else orflag = true; \
101 fprintf(fp, str); } \
103 #define if_print_or(fp,i,flag,orflag) do { \
104 if ((i & flag) == flag) \
105 print_or(fp,#flag,orflag); } \
109 lookup_value(struct name_table *table, uintmax_t val)
112 for (; table->str != NULL; table++)
113 if (table->val == val)
119 * Used when the value maps to a bitmask of #definition values in the
120 * table. This is a helper routine which outputs a symbolic mask of
121 * matched masks. Multiple masks are separated by a pipe ('|').
122 * The value is modified on return to only hold unmatched bits.
125 print_mask_part(FILE *fp, struct name_table *table, uintmax_t *valp,
131 for (; table->str != NULL; table++) {
132 if ((table->val & rem) == table->val) {
134 * Only print a zero mask if the raw value is
137 if (table->val == 0 && *valp != 0)
139 fprintf(fp, "%s%s", *printed ? "|" : "", table->str);
149 * Used when the value maps to a bitmask of #definition values in the
150 * table. The return value is true if something was printed. If
151 * rem is not NULL, *rem holds any bits not decoded if something was
152 * printed. If nothing was printed and rem is not NULL, *rem holds
153 * the original value.
156 print_mask_int(FILE *fp, struct name_table *table, int ival, int *rem)
162 val = (unsigned)ival;
163 print_mask_part(fp, table, &val, &printed);
170 * Used for a mask of optional flags where a value of 0 is valid.
173 print_mask_0(FILE *fp, struct name_table *table, int val, int *rem)
182 return (print_mask_int(fp, table, val, rem));
186 * Like print_mask_0 but for a unsigned long instead of an int.
189 print_mask_0ul(FILE *fp, struct name_table *table, u_long lval, u_long *rem)
203 print_mask_part(fp, table, &val, &printed);
210 print_integer(FILE *fp, int val, int base)
215 fprintf(fp, "0%o", val);
218 fprintf(fp, "%d", val);
221 fprintf(fp, "0x%x", val);
224 abort2("bad base", 0, NULL);
230 print_value(FILE *fp, struct name_table *table, uintmax_t val)
234 str = lookup_value(table, val);
243 sysdecode_atfd(int fd)
251 static struct name_table semctlops[] = {
252 X(GETNCNT) X(GETPID) X(GETVAL) X(GETALL) X(GETZCNT) X(SETVAL) X(SETALL)
253 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND
257 sysdecode_semctl_cmd(int cmd)
260 return (lookup_value(semctlops, cmd));
263 static struct name_table shmctlops[] = {
264 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND
268 sysdecode_shmctl_cmd(int cmd)
271 return (lookup_value(shmctlops, cmd));
275 sysdecode_msgctl_cmd(int cmd)
278 return (sysdecode_shmctl_cmd(cmd));
281 static struct name_table semgetflags[] = {
282 X(IPC_CREAT) X(IPC_EXCL) X(SEM_R) X(SEM_A) X((SEM_R>>3)) X((SEM_A>>3))
283 X((SEM_R>>6)) X((SEM_A>>6)) XEND
287 sysdecode_semget_flags(FILE *fp, int flag, int *rem)
290 return (print_mask_int(fp, semgetflags, flag, rem));
293 static struct name_table idtypes[] = {
294 X(P_PID) X(P_PPID) X(P_PGID) X(P_SID) X(P_CID) X(P_UID) X(P_GID)
295 X(P_ALL) X(P_LWPID) X(P_TASKID) X(P_PROJID) X(P_POOLID) X(P_JAILID)
296 X(P_CTID) X(P_CPUID) X(P_PSETID) XEND
299 /* XXX: idtype is really an idtype_t */
301 sysdecode_idtype(int idtype)
304 return (lookup_value(idtypes, idtype));
308 * [g|s]etsockopt's level argument can either be SOL_SOCKET or a
309 * protocol-specific value.
312 sysdecode_sockopt_level(int level)
316 if (level == SOL_SOCKET)
317 return ("SOL_SOCKET");
319 /* SOL_* constants for Bluetooth sockets. */
320 str = lookup_value(ngbtsolevel, level);
325 * IP and Infiniband sockets use IP protocols as levels. Not all
326 * protocols are valid but it is simpler to just allow all of them.
328 * XXX: IPPROTO_IP == 0, but UNIX domain sockets use a level of 0
329 * for private options.
331 str = sysdecode_ipproto(level);
339 sysdecode_vmprot(FILE *fp, int type, int *rem)
342 return (print_mask_int(fp, vmprot, type, rem));
345 static struct name_table sockflags[] = {
346 X(SOCK_CLOEXEC) X(SOCK_NONBLOCK) XEND
350 sysdecode_socket_type(FILE *fp, int type, int *rem)
356 str = lookup_value(socktype, type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK));
362 *rem = type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK);
365 val = type & (SOCK_CLOEXEC | SOCK_NONBLOCK);
366 print_mask_part(fp, sockflags, &val, &printed);
371 sysdecode_access_mode(FILE *fp, int mode, int *rem)
374 return (print_mask_int(fp, accessmode, mode, rem));
377 /* XXX: 'type' is really an acl_type_t. */
379 sysdecode_acltype(int type)
382 return (lookup_value(acltype, type));
386 sysdecode_cap_fcntlrights(FILE *fp, uint32_t rights, uint32_t *rem)
389 return (print_mask_int(fp, capfcntl, rights, rem));
393 sysdecode_extattrnamespace(int namespace)
396 return (lookup_value(extattrns, namespace));
400 sysdecode_fadvice(int advice)
403 return (lookup_value(fadvisebehav, advice));
407 sysdecode_open_flags(FILE *fp, int flags, int *rem)
413 mode = flags & O_ACCMODE;
417 if (flags & O_EXEC) {
421 fputs("O_RDONLY", fp);
426 fputs("O_WRONLY", fp);
438 val = (unsigned)flags;
439 print_mask_part(fp, openflags, &val, &printed);
446 sysdecode_fcntl_fileflags(FILE *fp, int flags, int *rem)
452 * The file flags used with F_GETFL/F_SETFL mostly match the
453 * flags passed to open(2). However, a few open-only flag
454 * bits have been repurposed for fcntl-only flags.
456 oflags = flags & ~(O_NOFOLLOW | FRDAHEAD);
457 printed = sysdecode_open_flags(fp, oflags, rem);
458 if (flags & O_NOFOLLOW) {
459 fprintf(fp, "%sFPOIXSHM", printed ? "|" : "");
462 if (flags & FRDAHEAD) {
463 fprintf(fp, "%sFRDAHEAD", printed ? "|" : "");
470 sysdecode_flock_operation(FILE *fp, int operation, int *rem)
473 return (print_mask_int(fp, flockops, operation, rem));
476 static struct name_table getfsstatmode[] = {
477 X(MNT_WAIT) X(MNT_NOWAIT) XEND
481 sysdecode_getfsstat_mode(int mode)
484 return (lookup_value(getfsstatmode, mode));
488 sysdecode_kldsym_cmd(int cmd)
491 return (lookup_value(kldsymcmd, cmd));
495 sysdecode_kldunload_flags(int flags)
498 return (lookup_value(kldunloadfflags, flags));
502 sysdecode_lio_listio_mode(int mode)
505 return (lookup_value(lio_listiomodes, mode));
509 sysdecode_madvice(int advice)
512 return (lookup_value(madvisebehav, advice));
516 sysdecode_minherit_inherit(int inherit)
519 return (lookup_value(minheritflags, inherit));
523 sysdecode_mlockall_flags(FILE *fp, int flags, int *rem)
526 return (print_mask_int(fp, mlockallflags, flags, rem));
530 sysdecode_mmap_prot(FILE *fp, int prot, int *rem)
533 return (print_mask_int(fp, mmapprot, prot, rem));
537 sysdecode_fileflags(FILE *fp, fflags_t flags, fflags_t *rem)
540 return (print_mask_0(fp, fileflags, flags, rem));
544 sysdecode_filemode(FILE *fp, int mode, int *rem)
547 return (print_mask_0(fp, filemode, mode, rem));
551 sysdecode_mount_flags(FILE *fp, int flags, int *rem)
554 return (print_mask_int(fp, mountflags, flags, rem));
558 sysdecode_msync_flags(FILE *fp, int flags, int *rem)
561 return (print_mask_int(fp, msyncflags, flags, rem));
565 sysdecode_nfssvc_flags(int flags)
568 return (lookup_value(nfssvcflags, flags));
571 static struct name_table pipe2flags[] = {
572 X(O_CLOEXEC) X(O_NONBLOCK) XEND
576 sysdecode_pipe2_flags(FILE *fp, int flags, int *rem)
579 return (print_mask_0(fp, pipe2flags, flags, rem));
583 sysdecode_prio_which(int which)
586 return (lookup_value(prio, which));
590 sysdecode_procctl_cmd(int cmd)
593 return (lookup_value(procctlcmd, cmd));
597 sysdecode_ptrace_request(int request)
600 return (lookup_value(ptraceop, request));
603 static struct name_table quotatypes[] = {
604 X(GRPQUOTA) X(USRQUOTA) XEND
608 sysdecode_quotactl_cmd(FILE *fp, int cmd)
610 const char *primary, *type;
612 primary = lookup_value(quotactlcmds, cmd >> SUBCMDSHIFT);
615 fprintf(fp, "QCMD(%s,", primary);
616 type = lookup_value(quotatypes, cmd & SUBCMDMASK);
618 fprintf(fp, "%s", type);
620 fprintf(fp, "%#x", cmd & SUBCMDMASK);
626 sysdecode_reboot_howto(FILE *fp, int howto, int *rem)
629 return (print_mask_int(fp, rebootopt, howto, rem));
633 sysdecode_rfork_flags(FILE *fp, int flags, int *rem)
636 return (print_mask_int(fp, rforkflags, flags, rem));
640 sysdecode_rlimit(int resource)
643 return (lookup_value(rlimit, resource));
647 sysdecode_scheduler_policy(int policy)
650 return (lookup_value(schedpolicy, policy));
654 sysdecode_sendfile_flags(FILE *fp, int flags, int *rem)
657 return (print_mask_int(fp, sendfileflags, flags, rem));
661 sysdecode_shmat_flags(FILE *fp, int flags, int *rem)
664 return (print_mask_int(fp, shmatflags, flags, rem));
668 sysdecode_shutdown_how(int how)
671 return (lookup_value(shutdownhow, how));
675 sysdecode_sigbus_code(int si_code)
678 return (lookup_value(sigbuscode, si_code));
682 sysdecode_sigchld_code(int si_code)
685 return (lookup_value(sigchldcode, si_code));
689 sysdecode_sigfpe_code(int si_code)
692 return (lookup_value(sigfpecode, si_code));
696 sysdecode_sigill_code(int si_code)
699 return (lookup_value(sigillcode, si_code));
703 sysdecode_sigsegv_code(int si_code)
706 return (lookup_value(sigsegvcode, si_code));
710 sysdecode_sigtrap_code(int si_code)
713 return (lookup_value(sigtrapcode, si_code));
717 sysdecode_sigprocmask_how(int how)
720 return (lookup_value(sigprocmaskhow, how));
724 sysdecode_socketdomain(int domain)
727 return (lookup_value(sockdomain, domain));
731 sysdecode_sockaddr_family(int sa_family)
734 return (lookup_value(sockfamily, sa_family));
738 sysdecode_ipproto(int protocol)
741 return (lookup_value(sockipproto, protocol));
745 sysdecode_sockopt_name(int level, int optname)
748 if (level == SOL_SOCKET)
749 return (lookup_value(sockopt, optname));
750 if (level == IPPROTO_IP)
751 /* XXX: UNIX domain socket options use a level of 0 also. */
752 return (lookup_value(sockoptip, optname));
753 if (level == IPPROTO_TCP)
754 return (lookup_value(sockopttcp, optname));
755 if (level == IPPROTO_UDP)
756 return (lookup_value(sockoptudp, optname));
761 sysdecode_thr_create_flags(FILE *fp, int flags, int *rem)
764 return (print_mask_int(fp, thrcreateflags, flags, rem));
768 sysdecode_umtx_op(int op)
771 return (lookup_value(umtxop, op));
775 sysdecode_vmresult(int result)
778 return (lookup_value(vmresult, result));
782 sysdecode_wait4_options(FILE *fp, int options, int *rem)
787 /* A flags value of 0 is normal. */
796 * These flags are implicit and aren't valid flags for wait4()
797 * directly (though they don't fail with EINVAL).
799 opt6 = options & (WEXITED | WTRAPPED);
801 printed = print_mask_int(fp, wait6opt, options, rem);
808 sysdecode_wait6_options(FILE *fp, int options, int *rem)
811 return (print_mask_int(fp, wait6opt, options, rem));
815 sysdecode_whence(int whence)
818 return (lookup_value(seekwhence, whence));
822 sysdecode_fcntl_cmd(int cmd)
825 return (lookup_value(fcntlcmd, cmd));
828 static struct name_table fcntl_fd_arg[] = {
829 X(FD_CLOEXEC) X(0) XEND
833 sysdecode_fcntl_arg_p(int cmd)
847 sysdecode_fcntl_arg(FILE *fp, int cmd, uintptr_t arg, int base)
853 if (!print_value(fp, fcntl_fd_arg, arg))
854 print_integer(fp, arg, base);
857 if (!sysdecode_fcntl_fileflags(fp, arg, &rem))
858 fprintf(fp, "%#x", rem);
860 fprintf(fp, "|%#x", rem);
865 fprintf(fp, "%p", (void *)arg);
868 print_integer(fp, arg, base);
874 sysdecode_mmap_flags(FILE *fp, int flags, int *rem)
881 * MAP_ALIGNED can't be handled directly by print_mask_int().
882 * MAP_32BIT is also problematic since it isn't defined for
886 align = flags & MAP_ALIGNMENT_MASK;
887 val = (unsigned)flags & ~MAP_ALIGNMENT_MASK;
888 print_mask_part(fp, mmapflags, &val, &printed);
890 if (val & MAP_32BIT) {
891 fprintf(fp, "%sMAP_32BIT", printed ? "|" : "");
899 if (align == MAP_ALIGNED_SUPER)
900 fputs("MAP_ALIGNED_SUPER", fp);
902 fprintf(fp, "MAP_ALIGNED(%d)",
903 align >> MAP_ALIGNMENT_SHIFT);
912 sysdecode_rtprio_function(int function)
915 return (lookup_value(rtpriofuncs, function));
919 sysdecode_msg_flags(FILE *fp, int flags, int *rem)
922 return (print_mask_0(fp, msgflags, flags, rem));
926 sysdecode_sigcode(int sig, int si_code)
930 str = lookup_value(sigcode, si_code);
936 return (sysdecode_sigill_code(si_code));
938 return (sysdecode_sigbus_code(si_code));
940 return (sysdecode_sigsegv_code(si_code));
942 return (sysdecode_sigfpe_code(si_code));
944 return (sysdecode_sigtrap_code(si_code));
946 return (sysdecode_sigchld_code(si_code));
953 sysdecode_umtx_cvwait_flags(FILE *fp, u_long flags, u_long *rem)
956 return (print_mask_0ul(fp, umtxcvwaitflags, flags, rem));
960 sysdecode_umtx_rwlock_flags(FILE *fp, u_long flags, u_long *rem)
963 return (print_mask_0ul(fp, umtxrwlockflags, flags, rem));
967 sysdecode_cap_rights(FILE *fp, cap_rights_t *rightsp)
969 struct name_table *t;
973 for (t = caprights; t->str != NULL; t++) {
974 if (cap_rights_is_set(rightsp, t->val)) {
975 fprintf(fp, "%s%s", comma ? "," : "", t->str);