diff options
Diffstat (limited to 'lib/libsysdecode/flags.c')
| -rw-r--r-- | lib/libsysdecode/flags.c | 1209 |
1 files changed, 1209 insertions, 0 deletions
diff --git a/lib/libsysdecode/flags.c b/lib/libsysdecode/flags.c new file mode 100644 index 000000000000..f8e26e6a9dae --- /dev/null +++ b/lib/libsysdecode/flags.c @@ -0,0 +1,1209 @@ +/* + * Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#define L2CAP_SOCKET_CHECKED + +#include <sys/types.h> +#include <sys/acl.h> +#include <sys/capsicum.h> +#include <sys/event.h> +#include <sys/extattr.h> +#include <sys/inotify.h> +#include <sys/linker.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <sys/poll.h> +#include <sys/procctl.h> +#include <sys/ptrace.h> +#include <sys/reboot.h> +#include <sys/resource.h> +#include <sys/rtprio.h> +#include <sys/sem.h> +#include <sys/shm.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/thr.h> +#include <sys/umtx.h> +#include <machine/sysarch.h> +#include <netinet/in.h> +#include <netinet/sctp.h> +#include <netinet/tcp.h> +#include <netinet/udp.h> +#include <netinet/udplite.h> +#include <nfsserver/nfs.h> +#include <ufs/ufs/quota.h> +#include <vm/vm.h> +#include <vm/vm_param.h> +#include <aio.h> +#include <fcntl.h> +#include <sched.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <strings.h> +#include <sysdecode.h> +#include <unistd.h> +#include <sys/bitstring.h> +#include <netgraph/bluetooth/include/ng_hci.h> +#include <netgraph/bluetooth/include/ng_l2cap.h> +#include <netgraph/bluetooth/include/ng_btsocket.h> + +#include "support.h" + +#define X(a) { a, #a }, +#define XEND { 0, NULL } + +#define TABLE_START(n) static struct name_table n[] = { +#define TABLE_ENTRY X +#define TABLE_END XEND }; + +#include "tables.h" + +#undef TABLE_START +#undef TABLE_ENTRY +#undef TABLE_END + +const char * +sysdecode_atfd(int fd) +{ + + if (fd == AT_FDCWD) + return ("AT_FDCWD"); + return (NULL); +} + +bool +sysdecode_atflags(FILE *fp, int flag, int *rem) +{ + + return (print_mask_int(fp, atflags, flag, rem)); +} + +static struct name_table semctlops[] = { + X(GETNCNT) X(GETPID) X(GETVAL) X(GETALL) X(GETZCNT) X(SETVAL) X(SETALL) + X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND +}; + +const char * +sysdecode_semctl_cmd(int cmd) +{ + + return (lookup_value(semctlops, cmd)); +} + +static struct name_table shmctlops[] = { + X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND +}; + +const char * +sysdecode_shmctl_cmd(int cmd) +{ + + return (lookup_value(shmctlops, cmd)); +} + +const char * +sysdecode_msgctl_cmd(int cmd) +{ + + return (sysdecode_shmctl_cmd(cmd)); +} + +static struct name_table semgetflags[] = { + X(IPC_CREAT) X(IPC_EXCL) X(SEM_R) X(SEM_A) X((SEM_R>>3)) X((SEM_A>>3)) + X((SEM_R>>6)) X((SEM_A>>6)) XEND +}; + +bool +sysdecode_semget_flags(FILE *fp, int flag, int *rem) +{ + + return (print_mask_int(fp, semgetflags, flag, rem)); +} + +static struct name_table idtypes[] = { + X(P_PID) X(P_PPID) X(P_PGID) X(P_SID) X(P_CID) X(P_UID) X(P_GID) + X(P_ALL) X(P_LWPID) X(P_TASKID) X(P_PROJID) X(P_POOLID) X(P_JAILID) + X(P_CTID) X(P_CPUID) X(P_PSETID) XEND +}; + +/* XXX: idtype is really an idtype_t */ +const char * +sysdecode_idtype(int idtype) +{ + + return (lookup_value(idtypes, idtype)); +} + +/* + * [g|s]etsockopt's level argument can either be SOL_SOCKET or a + * protocol-specific value. + */ +const char * +sysdecode_sockopt_level(int level) +{ + const char *str; + + if (level == SOL_SOCKET) + return ("SOL_SOCKET"); + + /* SOL_* constants for Bluetooth sockets. */ + str = lookup_value(ngbtsolevel, level); + if (str != NULL) + return (str); + + /* + * IP and Infiniband sockets use IP protocols as levels. Not all + * protocols are valid but it is simpler to just allow all of them. + * + * XXX: IPPROTO_IP == 0, but UNIX domain sockets use a level of 0 + * for private options. + */ + str = sysdecode_ipproto(level); + if (str != NULL) + return (str); + + return (NULL); +} + +bool +sysdecode_vmprot(FILE *fp, int type, int *rem) +{ + + return (print_mask_int(fp, vmprot, type, rem)); +} + +static struct name_table sockflags[] = { + X(SOCK_CLOEXEC) X(SOCK_CLOFORK) X(SOCK_NONBLOCK) XEND +}; + +bool +sysdecode_socket_type(FILE *fp, int type, int *rem) +{ + const char *str; + uintmax_t val; + bool printed; + + str = lookup_value(socktype, + type & ~(SOCK_CLOEXEC | SOCK_CLOFORK | SOCK_NONBLOCK)); + if (str != NULL) { + fputs(str, fp); + *rem = 0; + printed = true; + } else { + *rem = type & ~(SOCK_CLOEXEC | SOCK_CLOFORK | SOCK_NONBLOCK); + printed = false; + } + val = type & (SOCK_CLOEXEC | SOCK_CLOFORK | SOCK_NONBLOCK); + print_mask_part(fp, sockflags, &val, &printed); + return (printed); +} + +bool +sysdecode_access_mode(FILE *fp, int mode, int *rem) +{ + + return (print_mask_int(fp, accessmode, mode, rem)); +} + +/* XXX: 'type' is really an acl_type_t. */ +const char * +sysdecode_acltype(int type) +{ + + return (lookup_value(acltype, type)); +} + +bool +sysdecode_cap_fcntlrights(FILE *fp, uint32_t rights, uint32_t *rem) +{ + + return (print_mask_int(fp, capfcntl, rights, rem)); +} + +bool +sysdecode_close_range_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, closerangeflags, flags, rem)); +} + +const char * +sysdecode_extattrnamespace(int namespace) +{ + + return (lookup_value(extattrns, namespace)); +} + +const char * +sysdecode_fadvice(int advice) +{ + + return (lookup_value(fadvisebehav, advice)); +} + +bool +sysdecode_open_flags(FILE *fp, int flags, int *rem) +{ + bool printed; + int mode; + uintmax_t val; + + mode = flags & O_ACCMODE; + flags &= ~O_ACCMODE; + switch (mode) { + case O_RDONLY: + if (flags & O_EXEC) { + flags &= ~O_EXEC; + fputs("O_EXEC", fp); + } else + fputs("O_RDONLY", fp); + printed = true; + mode = 0; + break; + case O_WRONLY: + fputs("O_WRONLY", fp); + printed = true; + mode = 0; + break; + case O_RDWR: + fputs("O_RDWR", fp); + printed = true; + mode = 0; + break; + default: + printed = false; + } + val = (unsigned)flags; + print_mask_part(fp, openflags, &val, &printed); + if (rem != NULL) + *rem = val | mode; + return (printed); +} + +bool +sysdecode_fcntl_fileflags(FILE *fp, int flags, int *rem) +{ + bool printed; + int oflags; + + /* + * The file flags used with F_GETFL/F_SETFL mostly match the + * flags passed to open(2). However, a few open-only flag + * bits have been repurposed for fcntl-only flags. + */ + oflags = flags & ~(O_NOFOLLOW | FRDAHEAD); + printed = sysdecode_open_flags(fp, oflags, rem); + if (flags & O_NOFOLLOW) { + fprintf(fp, "%sFPOIXSHM", printed ? "|" : ""); + printed = true; + } + if (flags & FRDAHEAD) { + fprintf(fp, "%sFRDAHEAD", printed ? "|" : ""); + printed = true; + } + return (printed); +} + +bool +sysdecode_flock_operation(FILE *fp, int operation, int *rem) +{ + + return (print_mask_int(fp, flockops, operation, rem)); +} + +static struct name_table getfsstatmode[] = { + X(MNT_WAIT) X(MNT_NOWAIT) XEND +}; + +const char * +sysdecode_getfsstat_mode(int mode) +{ + + return (lookup_value(getfsstatmode, mode)); +} + +const char * +sysdecode_getrusage_who(int who) +{ + + return (lookup_value(rusage, who)); +} + +bool +sysdecode_inotifyflags(FILE *fp, int flag, int *rem) +{ + + return (print_mask_int(fp, inotifyflags, flag, rem)); +} + +static struct name_table kevent_user_ffctrl[] = { + X(NOTE_FFNOP) X(NOTE_FFAND) X(NOTE_FFOR) X(NOTE_FFCOPY) + XEND +}; + +static struct name_table kevent_rdwr_fflags[] = { + X(NOTE_LOWAT) X(NOTE_FILE_POLL) XEND +}; + +static struct name_table kevent_vnode_fflags[] = { + X(NOTE_DELETE) X(NOTE_WRITE) X(NOTE_EXTEND) X(NOTE_ATTRIB) + X(NOTE_LINK) X(NOTE_RENAME) X(NOTE_REVOKE) X(NOTE_OPEN) X(NOTE_CLOSE) + X(NOTE_CLOSE_WRITE) X(NOTE_READ) XEND +}; + +static struct name_table kevent_proc_fflags[] = { + X(NOTE_EXIT) X(NOTE_FORK) X(NOTE_EXEC) X(NOTE_TRACK) X(NOTE_TRACKERR) + X(NOTE_CHILD) XEND +}; + +static struct name_table kevent_timer_fflags[] = { + X(NOTE_SECONDS) X(NOTE_MSECONDS) X(NOTE_USECONDS) X(NOTE_NSECONDS) + X(NOTE_ABSTIME) XEND +}; + +void +sysdecode_kevent_fflags(FILE *fp, short filter, int fflags, int base) +{ + int rem; + + if (fflags == 0) { + fputs("0", fp); + return; + } + + switch (filter) { + case EVFILT_READ: + case EVFILT_WRITE: + if (!print_mask_int(fp, kevent_rdwr_fflags, fflags, &rem)) + fprintf(fp, "%#x", rem); + else if (rem != 0) + fprintf(fp, "|%#x", rem); + break; + case EVFILT_VNODE: + if (!print_mask_int(fp, kevent_vnode_fflags, fflags, &rem)) + fprintf(fp, "%#x", rem); + else if (rem != 0) + fprintf(fp, "|%#x", rem); + break; + case EVFILT_PROC: + case EVFILT_PROCDESC: + if (!print_mask_int(fp, kevent_proc_fflags, fflags, &rem)) + fprintf(fp, "%#x", rem); + else if (rem != 0) + fprintf(fp, "|%#x", rem); + break; + case EVFILT_TIMER: + if (!print_mask_int(fp, kevent_timer_fflags, fflags, &rem)) + fprintf(fp, "%#x", rem); + else if (rem != 0) + fprintf(fp, "|%#x", rem); + break; + case EVFILT_USER: { + unsigned int ctrl, data; + + ctrl = fflags & NOTE_FFCTRLMASK; + data = fflags & NOTE_FFLAGSMASK; + + if (fflags & NOTE_TRIGGER) { + fputs("NOTE_TRIGGER", fp); + if (fflags == NOTE_TRIGGER) + return; + fputc('|', fp); + } + + /* + * An event with 'ctrl' == NOTE_FFNOP is either a reported + * (output) event for which only 'data' should be output + * or a pointless input event. Assume that pointless + * input events don't occur in practice. An event with + * NOTE_TRIGGER is always an input event. + */ + if (ctrl != NOTE_FFNOP || fflags & NOTE_TRIGGER) { + fprintf(fp, "%s|%#x", + lookup_value(kevent_user_ffctrl, ctrl), data); + } else { + print_integer(fp, data, base); + } + break; + } + default: + print_integer(fp, fflags, base); + break; + } +} + +bool +sysdecode_kevent_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, keventflags, flags, rem)); +} + +const char * +sysdecode_kevent_filter(int filter) +{ + + return (lookup_value(keventfilters, filter)); +} + +const char * +sysdecode_kldsym_cmd(int cmd) +{ + + return (lookup_value(kldsymcmd, cmd)); +} + +const char * +sysdecode_kldunload_flags(int flags) +{ + + return (lookup_value(kldunloadfflags, flags)); +} + +const char * +sysdecode_lio_listio_mode(int mode) +{ + + return (lookup_value(lio_listiomodes, mode)); +} + +const char * +sysdecode_madvice(int advice) +{ + + return (lookup_value(madvisebehav, advice)); +} + +const char * +sysdecode_minherit_inherit(int inherit) +{ + + return (lookup_value(minheritflags, inherit)); +} + +bool +sysdecode_mlockall_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, mlockallflags, flags, rem)); +} + +bool +sysdecode_mmap_prot(FILE *fp, int prot, int *rem) +{ + int protm; + bool printed; + + printed = false; + protm = PROT_MAX_EXTRACT(prot); + prot &= ~PROT_MAX(protm); + if (protm != 0) { + fputs("PROT_MAX(", fp); + printed = print_mask_int(fp, mmapprot, protm, rem); + fputs(")|", fp); + } + return (print_mask_int(fp, mmapprot, prot, rem) || printed); +} + +bool +sysdecode_fileflags(FILE *fp, fflags_t flags, fflags_t *rem) +{ + + return (print_mask_0(fp, fileflags, flags, rem)); +} + +bool +sysdecode_filemode(FILE *fp, int mode, int *rem) +{ + + return (print_mask_0(fp, filemode, mode, rem)); +} + +bool +sysdecode_mount_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, mountflags, flags, rem)); +} + +bool +sysdecode_msync_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, msyncflags, flags, rem)); +} + +const char * +sysdecode_nfssvc_flags(int flags) +{ + + return (lookup_value(nfssvcflags, flags)); +} + +static struct name_table pipe2flags[] = { + X(O_CLOEXEC) X(O_CLOFORK) X(O_NONBLOCK) XEND +}; + +bool +sysdecode_pipe2_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_0(fp, pipe2flags, flags, rem)); +} + +bool +sysdecode_pollfd_events(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, pollfdevents, flags, rem)); +} + +const char * +sysdecode_prio_which(int which) +{ + + return (lookup_value(prio, which)); +} + +const char * +sysdecode_procctl_cmd(int cmd) +{ + + return (lookup_value(procctlcmd, cmd)); +} + +const char * +sysdecode_ptrace_request(int request) +{ + + return (lookup_value(ptraceop, request)); +} + +static struct name_table quotatypes[] = { + X(GRPQUOTA) X(USRQUOTA) XEND +}; + +bool +sysdecode_quotactl_cmd(FILE *fp, int cmd) +{ + const char *primary, *type; + + primary = lookup_value(quotactlcmds, cmd >> SUBCMDSHIFT); + if (primary == NULL) + return (false); + fprintf(fp, "QCMD(%s,", primary); + type = lookup_value(quotatypes, cmd & SUBCMDMASK); + if (type != NULL) + fprintf(fp, "%s", type); + else + fprintf(fp, "%#x", cmd & SUBCMDMASK); + fprintf(fp, ")"); + return (true); +} + +bool +sysdecode_reboot_howto(FILE *fp, int howto, int *rem) +{ + bool printed; + + /* + * RB_AUTOBOOT is special in that its value is zero, but it is + * also an implied argument if a different operation is not + * requested via RB_HALT, RB_POWERCYCLE, RB_POWEROFF, or + * RB_REROOT. + */ + if (howto != 0 && (howto & (RB_HALT | RB_POWEROFF | RB_REROOT | + RB_POWERCYCLE)) == 0) { + fputs("RB_AUTOBOOT|", fp); + printed = true; + } else + printed = false; + return (print_mask_int(fp, rebootopt, howto, rem) || printed); +} + +bool +sysdecode_rfork_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, rforkflags, flags, rem)); +} + +const char * +sysdecode_rlimit(int resource) +{ + + return (lookup_value(rlimit, resource)); +} + +const char * +sysdecode_scheduler_policy(int policy) +{ + + return (lookup_value(schedpolicy, policy)); +} + +bool +sysdecode_sendfile_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, sendfileflags, flags, rem)); +} + +bool +sysdecode_shmat_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, shmatflags, flags, rem)); +} + +const char * +sysdecode_shutdown_how(int how) +{ + + return (lookup_value(shutdownhow, how)); +} + +const char * +sysdecode_sigbus_code(int si_code) +{ + + return (lookup_value(sigbuscode, si_code)); +} + +const char * +sysdecode_sigchld_code(int si_code) +{ + + return (lookup_value(sigchldcode, si_code)); +} + +const char * +sysdecode_sigfpe_code(int si_code) +{ + + return (lookup_value(sigfpecode, si_code)); +} + +const char * +sysdecode_sigill_code(int si_code) +{ + + return (lookup_value(sigillcode, si_code)); +} + +const char * +sysdecode_sigsegv_code(int si_code) +{ + + return (lookup_value(sigsegvcode, si_code)); +} + +const char * +sysdecode_sigtrap_code(int si_code) +{ + + return (lookup_value(sigtrapcode, si_code)); +} + +const char * +sysdecode_sigprocmask_how(int how) +{ + + return (lookup_value(sigprocmaskhow, how)); +} + +const char * +sysdecode_socketdomain(int domain) +{ + + return (lookup_value(sockdomain, domain)); +} + +const char * +sysdecode_socket_protocol(int domain, int protocol) +{ + + switch (domain) { + case PF_INET: + case PF_INET6: + return (lookup_value(sockipproto, protocol)); + default: + return (NULL); + } +} + +const char * +sysdecode_sockaddr_family(int sa_family) +{ + + return (lookup_value(sockfamily, sa_family)); +} + +const char * +sysdecode_ipproto(int protocol) +{ + + return (lookup_value(sockipproto, protocol)); +} + +const char * +sysdecode_sockopt_name(int level, int optname) +{ + + if (level == SOL_SOCKET) + return (lookup_value(sockopt, optname)); + if (level == IPPROTO_IP) + /* XXX: UNIX domain socket options use a level of 0 also. */ + return (lookup_value(sockoptip, optname)); + if (level == IPPROTO_IPV6) + return (lookup_value(sockoptipv6, optname)); + if (level == IPPROTO_SCTP) + return (lookup_value(sockoptsctp, optname)); + if (level == IPPROTO_TCP) + return (lookup_value(sockopttcp, optname)); + if (level == IPPROTO_UDP) + return (lookup_value(sockoptudp, optname)); + if (level == IPPROTO_UDPLITE) + return (lookup_value(sockoptudplite, optname)); + return (NULL); +} + +bool +sysdecode_thr_create_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, thrcreateflags, flags, rem)); +} + +const char * +sysdecode_umtx_op(int op) +{ + + return (lookup_value(umtxop, op)); +} + +bool +sysdecode_umtx_op_flags(FILE *fp, int op, int *rem) +{ + uintmax_t val; + bool printed; + + printed = false; + val = (unsigned)op; + print_mask_part(fp, umtxopflags, &val, &printed); + if (rem != NULL) + *rem = val; + return (printed); +} + +const char * +sysdecode_vmresult(int result) +{ + + return (lookup_value(vmresult, result)); +} + +bool +sysdecode_wait4_options(FILE *fp, int options, int *rem) +{ + bool printed; + int opt6; + + /* A flags value of 0 is normal. */ + if (options == 0) { + fputs("0", fp); + if (rem != NULL) + *rem = 0; + return (true); + } + + /* + * These flags are implicit and aren't valid flags for wait4() + * directly (though they don't fail with EINVAL). + */ + opt6 = options & (WEXITED | WTRAPPED); + options &= ~opt6; + printed = print_mask_int(fp, wait6opt, options, rem); + if (rem != NULL) + *rem |= opt6; + return (printed); +} + +bool +sysdecode_wait6_options(FILE *fp, int options, int *rem) +{ + + return (print_mask_int(fp, wait6opt, options, rem)); +} + +const char * +sysdecode_whence(int whence) +{ + + return (lookup_value(seekwhence, whence)); +} + +const char * +sysdecode_fcntl_cmd(int cmd) +{ + + return (lookup_value(fcntlcmd, cmd)); +} + +static struct name_table fcntl_fd_arg[] = { + X(FD_CLOEXEC) X(FD_CLOFORK) X(0) XEND +}; + +bool +sysdecode_fcntl_arg_p(int cmd) +{ + + switch (cmd) { + case F_GETFD: + case F_GETFL: + case F_GETOWN: + return (false); + default: + return (true); + } +} + +void +sysdecode_fcntl_arg(FILE *fp, int cmd, uintptr_t arg, int base) +{ + int rem; + + switch (cmd) { + case F_SETFD: + if (!print_value(fp, fcntl_fd_arg, arg)) + print_integer(fp, arg, base); + break; + case F_SETFL: + if (!sysdecode_fcntl_fileflags(fp, arg, &rem)) + fprintf(fp, "%#x", rem); + else if (rem != 0) + fprintf(fp, "|%#x", rem); + break; + case F_GETLK: + case F_SETLK: + case F_SETLKW: + fprintf(fp, "%p", (void *)arg); + break; + default: + print_integer(fp, arg, base); + break; + } +} + +bool +sysdecode_mmap_flags(FILE *fp, int flags, int *rem) +{ + uintmax_t val; + bool printed; + int align; + + /* + * MAP_ALIGNED can't be handled directly by print_mask_int(). + */ + printed = false; + align = flags & MAP_ALIGNMENT_MASK; + val = (unsigned)flags & ~MAP_ALIGNMENT_MASK; + print_mask_part(fp, mmapflags, &val, &printed); + if (align != 0) { + if (printed) + fputc('|', fp); + if (align == MAP_ALIGNED_SUPER) + fputs("MAP_ALIGNED_SUPER", fp); + else + fprintf(fp, "MAP_ALIGNED(%d)", + align >> MAP_ALIGNMENT_SHIFT); + printed = true; + } + if (rem != NULL) + *rem = val; + return (printed); +} + +const char * +sysdecode_pathconf_name(int name) +{ + + return (lookup_value(pathconfname, name)); +} + +const char * +sysdecode_rtprio_function(int function) +{ + + return (lookup_value(rtpriofuncs, function)); +} + +bool +sysdecode_msg_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_0(fp, msgflags, flags, rem)); +} + +const char * +sysdecode_sigcode(int sig, int si_code) +{ + const char *str; + + str = lookup_value(sigcode, si_code); + if (str != NULL) + return (str); + + switch (sig) { + case SIGILL: + return (sysdecode_sigill_code(si_code)); + case SIGBUS: + return (sysdecode_sigbus_code(si_code)); + case SIGSEGV: + return (sysdecode_sigsegv_code(si_code)); + case SIGFPE: + return (sysdecode_sigfpe_code(si_code)); + case SIGTRAP: + return (sysdecode_sigtrap_code(si_code)); + case SIGCHLD: + return (sysdecode_sigchld_code(si_code)); + default: + return (NULL); + } +} + +const char * +sysdecode_sysarch_number(int number) +{ + + return (lookup_value(sysarchnum, number)); +} + +bool +sysdecode_umtx_cvwait_flags(FILE *fp, u_long flags, u_long *rem) +{ + + return (print_mask_0ul(fp, umtxcvwaitflags, flags, rem)); +} + +bool +sysdecode_umtx_rwlock_flags(FILE *fp, u_long flags, u_long *rem) +{ + + return (print_mask_0ul(fp, umtxrwlockflags, flags, rem)); +} + +void +sysdecode_cap_rights(FILE *fp, cap_rights_t *rightsp) +{ + cap_rights_t diff, sum, zero; + const struct name_table *t; + int i; + bool comma; + + for (i = 0; i < CAPARSIZE(rightsp); i++) { + if (CAPIDXBIT(rightsp->cr_rights[i]) != 1 << i) { + fprintf(fp, "invalid cap_rights_t"); + return; + } + } + cap_rights_init(&sum); + diff = *rightsp; + for (t = caprights, comma = false; t->str != NULL; t++) { + if (cap_rights_is_set(rightsp, t->val)) { + cap_rights_clear(&diff, t->val); + if (cap_rights_is_set(&sum, t->val)) { + /* Don't print redundant rights. */ + continue; + } + cap_rights_set(&sum, t->val); + + fprintf(fp, "%s%s", comma ? "," : "", t->str); + comma = true; + } + } + if (!comma) + fprintf(fp, "CAP_NONE"); + + /* + * Provide a breadcrumb if some of the provided rights are not included + * in the table, likely due to a bug in the mktables script. + */ + CAP_NONE(&zero); + if (!cap_rights_contains(&zero, &diff)) + fprintf(fp, ",unknown rights"); +} + +/* + * Pre-sort the set of rights, which has a partial ordering defined by the + * subset relation. This lets sysdecode_cap_rights() print a list of minimal + * length with a single pass over the "caprights" table. + */ +static void __attribute__((constructor)) +sysdecode_cap_rights_init(void) +{ + cap_rights_t tr, qr; + struct name_table *t, *q, tmp; + bool swapped; + + do { + for (t = caprights, swapped = false; t->str != NULL; t++) { + cap_rights_init(&tr, t->val); + for (q = t + 1; q->str != NULL; q++) { + cap_rights_init(&qr, q->val); + if (cap_rights_contains(&qr, &tr)) { + tmp = *t; + *t = *q; + *q = tmp; + swapped = true; + } + } + } + } while (swapped); +} + +static struct name_table cmsgtypeip[] = { + X(IP_RECVDSTADDR) X(IP_RECVTTL) X(IP_RECVOPTS) X(IP_RECVRETOPTS) + X(IP_RECVIF) X(IP_RECVTOS) X(IP_FLOWID) X(IP_FLOWTYPE) + X(IP_RSSBUCKETID) XEND +}; + +static struct name_table cmsgtypeipv6[] = { +#if 0 + /* The RFC 2292 defines are kernel space only. */ + X(IPV6_2292PKTINFO) X(IPV6_2292HOPLIMIT) X(IPV6_2292HOPOPTS) + X(IPV6_2292DSTOPTS) X(IPV6_2292RTHDR) X(IPV6_2292NEXTHOP) +#endif + X(IPV6_PKTINFO) X(IPV6_HOPLIMIT) X(IPV6_HOPOPTS) + X(IPV6_DSTOPTS) X(IPV6_RTHDR) X(IPV6_NEXTHOP) + X(IPV6_TCLASS) X(IPV6_FLOWID) X(IPV6_FLOWTYPE) X(IPV6_RSSBUCKETID) + X(IPV6_PATHMTU) X(IPV6_RTHDRDSTOPTS) X(IPV6_USE_MIN_MTU) + X(IPV6_DONTFRAG) X(IPV6_PREFER_TEMPADDR) XEND +}; + +static struct name_table cmsgtypesctp[] = { + X(SCTP_INIT) X(SCTP_SNDRCV) X(SCTP_EXTRCV) X(SCTP_SNDINFO) + X(SCTP_RCVINFO) X(SCTP_NXTINFO) X(SCTP_PRINFO) X(SCTP_AUTHINFO) + X(SCTP_DSTADDRV4) X(SCTP_DSTADDRV6) XEND +}; + +const char * +sysdecode_cmsg_type(int cmsg_level, int cmsg_type) +{ + + if (cmsg_level == SOL_SOCKET) + return (lookup_value(cmsgtypesocket, cmsg_type)); + if (cmsg_level == IPPROTO_IP) + return (lookup_value(cmsgtypeip, cmsg_type)); + if (cmsg_level == IPPROTO_IPV6) + return (lookup_value(cmsgtypeipv6, cmsg_type)); + if (cmsg_level == IPPROTO_SCTP) + return (lookup_value(cmsgtypesctp, cmsg_type)); + return (NULL); +} + +const char * +sysdecode_sctp_pr_policy(int policy) +{ + + return (lookup_value(sctpprpolicy, policy)); +} + +static struct name_table sctpsndflags[] = { + X(SCTP_EOF) X(SCTP_ABORT) X(SCTP_UNORDERED) X(SCTP_ADDR_OVER) + X(SCTP_SENDALL) X(SCTP_EOR) X(SCTP_SACK_IMMEDIATELY) XEND +}; + +bool +sysdecode_sctp_snd_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, sctpsndflags, flags, rem)); +} + +static struct name_table sctprcvflags[] = { + X(SCTP_UNORDERED) XEND +}; + +bool +sysdecode_sctp_rcv_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, sctprcvflags, flags, rem)); +} + +static struct name_table sctpnxtflags[] = { + X(SCTP_UNORDERED) X(SCTP_COMPLETE) X(SCTP_NOTIFICATION) XEND +}; + +bool +sysdecode_sctp_nxt_flags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_int(fp, sctpnxtflags, flags, rem)); +} + +static struct name_table sctpsinfoflags[] = { + X(SCTP_EOF) X(SCTP_ABORT) X(SCTP_UNORDERED) X(SCTP_ADDR_OVER) + X(SCTP_SENDALL) X(SCTP_EOR) X(SCTP_SACK_IMMEDIATELY) XEND +}; + +void +sysdecode_sctp_sinfo_flags(FILE *fp, int sinfo_flags) +{ + const char *temp; + int rem; + bool printed; + + printed = print_mask_0(fp, sctpsinfoflags, sinfo_flags, &rem); + if (rem & ~SCTP_PR_SCTP_ALL) { + fprintf(fp, "%s%#x", printed ? "|" : "", rem & ~SCTP_PR_SCTP_ALL); + printed = true; + rem &= ~SCTP_PR_SCTP_ALL; + } + if (rem != 0) { + temp = sysdecode_sctp_pr_policy(rem); + if (temp != NULL) { + fprintf(fp, "%s%s", printed ? "|" : "", temp); + } else { + fprintf(fp, "%s%#x", printed ? "|" : "", rem); + } + } +} + +bool +sysdecode_shmflags(FILE *fp, int flags, int *rem) +{ + + return (print_mask_0(fp, shmflags, flags, rem)); +} + +const char * +sysdecode_itimer(int which) +{ + + return (lookup_value(itimerwhich, which)); +} |