[83eb07c] | 1 | #include <machine/rtems-bsd-user-space.h> |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (c) 1993 |
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| 5 | * The Regents of the University of California. All rights reserved. |
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| 6 | * |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions |
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| 9 | * are met: |
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| 10 | * 1. Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * 4. Neither the name of the University nor the names of its contributors |
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| 16 | * may be used to endorse or promote products derived from this software |
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| 17 | * without specific prior written permission. |
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| 18 | * |
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 29 | * SUCH DAMAGE. |
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| 30 | */ |
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| 31 | |
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| 32 | #ifndef lint |
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| 33 | static const char copyright[] = |
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| 34 | "@(#) Copyright (c) 1993\n\ |
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| 35 | The Regents of the University of California. All rights reserved.\n"; |
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| 36 | #endif /* not lint */ |
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| 37 | |
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| 38 | #ifndef lint |
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| 39 | #if 0 |
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| 40 | static char sccsid[] = "@(#)from: sysctl.c 8.1 (Berkeley) 6/6/93"; |
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| 41 | #endif |
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| 42 | static const char rcsid[] = |
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| 43 | "$FreeBSD$"; |
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| 44 | #endif /* not lint */ |
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| 45 | #ifdef __rtems__ |
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| 46 | #define __need_getopt_newlib |
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| 47 | #include <getopt.h> |
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| 48 | #include <machine/rtems-bsd-program.h> |
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| 49 | #include <machine/rtems-bsd-commands.h> |
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| 50 | #endif /* __rtems__ */ |
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| 51 | |
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| 52 | #include <rtems/bsd/sys/param.h> |
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[2017a6d] | 53 | #include <sys/time.h> |
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[83eb07c] | 54 | #include <rtems/bsd/sys/resource.h> |
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| 55 | #include <sys/stat.h> |
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| 56 | #include <sys/sysctl.h> |
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| 57 | #include <sys/vmmeter.h> |
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| 58 | |
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| 59 | #include <ctype.h> |
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| 60 | #include <err.h> |
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| 61 | #include <errno.h> |
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| 62 | #include <inttypes.h> |
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| 63 | #include <locale.h> |
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| 64 | #include <stdio.h> |
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| 65 | #include <stdlib.h> |
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| 66 | #include <string.h> |
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| 67 | #include <unistd.h> |
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| 68 | |
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| 69 | static int aflag, bflag, dflag, eflag, hflag, iflag; |
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| 70 | static int Nflag, nflag, oflag, qflag, xflag, warncount; |
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| 71 | |
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| 72 | static int oidfmt(int *, int, char *, u_int *); |
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| 73 | static void parse(const char *); |
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| 74 | static int show_var(int *, int); |
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| 75 | static int sysctl_all(int *oid, int len); |
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| 76 | static int name2oid(char *, int *); |
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| 77 | |
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| 78 | static int set_IK(const char *, int *); |
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| 79 | |
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| 80 | static void |
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| 81 | usage(void) |
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| 82 | { |
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| 83 | |
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| 84 | (void)fprintf(stderr, "%s\n%s\n", |
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| 85 | "usage: sysctl [-bdehiNnoqx] name[=value] ...", |
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| 86 | " sysctl [-bdehNnoqx] -a"); |
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| 87 | exit(1); |
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| 88 | } |
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| 89 | |
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| 90 | #ifdef __rtems__ |
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| 91 | static int main(int argc, char **argv); |
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| 92 | |
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| 93 | int rtems_bsd_command_sysctl(int argc, char *argv[]) |
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| 94 | { |
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| 95 | int exit_code; |
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| 96 | |
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| 97 | rtems_bsd_program_lock(); |
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| 98 | |
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| 99 | aflag = bflag = dflag = eflag = hflag = iflag = 0; |
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| 100 | Nflag = nflag = oflag = qflag = xflag = warncount = 0; |
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| 101 | |
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| 102 | exit_code = rtems_bsd_program_call_main("sysctl", main, argc, argv); |
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| 103 | |
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| 104 | rtems_bsd_program_unlock(); |
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| 105 | |
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| 106 | return exit_code; |
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| 107 | } |
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| 108 | #endif /* __rtems__ */ |
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| 109 | |
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| 110 | int |
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| 111 | main(int argc, char **argv) |
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| 112 | { |
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| 113 | int ch; |
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| 114 | |
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| 115 | #ifdef __rtems__ |
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| 116 | struct getopt_data getopt_data; |
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| 117 | memset(&getopt_data, 0, sizeof(getopt_data)); |
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| 118 | #define optind getopt_data.optind |
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| 119 | #define optarg getopt_data.optarg |
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| 120 | #define opterr getopt_data.opterr |
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| 121 | #define optopt getopt_data.optopt |
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| 122 | #define getopt(argc, argv, opt) getopt_r(argc, argv, "+" opt, &getopt_data) |
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| 123 | #endif /* __rtems__ */ |
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| 124 | |
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| 125 | #ifndef __rtems__ |
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| 126 | setlocale(LC_NUMERIC, ""); |
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| 127 | setbuf(stdout,0); |
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| 128 | setbuf(stderr,0); |
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| 129 | #endif /* __rtems__ */ |
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| 130 | |
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| 131 | while ((ch = getopt(argc, argv, "AabdehiNnoqwxX")) != -1) { |
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| 132 | switch (ch) { |
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| 133 | case 'A': |
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| 134 | /* compatibility */ |
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| 135 | aflag = oflag = 1; |
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| 136 | break; |
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| 137 | case 'a': |
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| 138 | aflag = 1; |
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| 139 | break; |
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| 140 | case 'b': |
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| 141 | bflag = 1; |
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| 142 | break; |
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| 143 | case 'd': |
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| 144 | dflag = 1; |
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| 145 | break; |
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| 146 | case 'e': |
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| 147 | eflag = 1; |
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| 148 | break; |
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| 149 | case 'h': |
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| 150 | hflag = 1; |
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| 151 | break; |
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| 152 | case 'i': |
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| 153 | iflag = 1; |
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| 154 | break; |
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| 155 | case 'N': |
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| 156 | Nflag = 1; |
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| 157 | break; |
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| 158 | case 'n': |
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| 159 | nflag = 1; |
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| 160 | break; |
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| 161 | case 'o': |
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| 162 | oflag = 1; |
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| 163 | break; |
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| 164 | case 'q': |
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| 165 | qflag = 1; |
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| 166 | break; |
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| 167 | case 'w': |
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| 168 | /* compatibility */ |
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| 169 | /* ignored */ |
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| 170 | break; |
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| 171 | case 'X': |
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| 172 | /* compatibility */ |
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| 173 | aflag = xflag = 1; |
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| 174 | break; |
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| 175 | case 'x': |
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| 176 | xflag = 1; |
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| 177 | break; |
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| 178 | default: |
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| 179 | usage(); |
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| 180 | } |
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| 181 | } |
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| 182 | argc -= optind; |
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| 183 | argv += optind; |
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| 184 | |
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| 185 | if (Nflag && nflag) |
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| 186 | usage(); |
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| 187 | if (aflag && argc == 0) |
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| 188 | exit(sysctl_all(0, 0)); |
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| 189 | if (argc == 0) |
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| 190 | usage(); |
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| 191 | |
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| 192 | warncount = 0; |
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| 193 | while (argc-- > 0) |
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| 194 | parse(*argv++); |
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| 195 | exit(warncount); |
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| 196 | } |
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| 197 | |
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| 198 | /* |
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| 199 | * Parse a name into a MIB entry. |
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| 200 | * Lookup and print out the MIB entry if it exists. |
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| 201 | * Set a new value if requested. |
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| 202 | */ |
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| 203 | static void |
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| 204 | parse(const char *string) |
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| 205 | { |
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| 206 | int len, i, j; |
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| 207 | void *newval = 0; |
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| 208 | int intval; |
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| 209 | unsigned int uintval; |
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| 210 | long longval; |
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| 211 | unsigned long ulongval; |
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| 212 | size_t newsize = 0; |
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| 213 | int64_t i64val; |
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| 214 | uint64_t u64val; |
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| 215 | int mib[CTL_MAXNAME]; |
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| 216 | char *cp, *bufp, buf[BUFSIZ], *endptr, fmt[BUFSIZ]; |
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| 217 | u_int kind; |
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| 218 | |
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| 219 | cp = buf; |
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| 220 | if (snprintf(buf, BUFSIZ, "%s", string) >= BUFSIZ) |
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| 221 | errx(1, "oid too long: '%s'", string); |
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| 222 | bufp = strsep(&cp, "="); |
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| 223 | if (cp != NULL) { |
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| 224 | while (isspace(*cp)) |
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| 225 | cp++; |
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| 226 | newval = cp; |
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| 227 | newsize = strlen(cp); |
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| 228 | } |
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| 229 | len = name2oid(bufp, mib); |
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| 230 | |
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| 231 | if (len < 0) { |
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| 232 | if (iflag) |
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| 233 | return; |
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| 234 | if (qflag) |
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| 235 | exit(1); |
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| 236 | else |
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| 237 | errx(1, "unknown oid '%s'", bufp); |
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| 238 | } |
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| 239 | |
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| 240 | if (oidfmt(mib, len, fmt, &kind)) |
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| 241 | err(1, "couldn't find format of oid '%s'", bufp); |
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| 242 | |
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| 243 | if (newval == NULL || dflag) { |
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| 244 | if ((kind & CTLTYPE) == CTLTYPE_NODE) { |
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| 245 | if (dflag) { |
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| 246 | i = show_var(mib, len); |
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| 247 | if (!i && !bflag) |
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| 248 | putchar('\n'); |
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| 249 | } |
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| 250 | sysctl_all(mib, len); |
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| 251 | } else { |
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| 252 | i = show_var(mib, len); |
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| 253 | if (!i && !bflag) |
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| 254 | putchar('\n'); |
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| 255 | } |
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| 256 | } else { |
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| 257 | if ((kind & CTLTYPE) == CTLTYPE_NODE) |
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| 258 | errx(1, "oid '%s' isn't a leaf node", bufp); |
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| 259 | |
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| 260 | if (!(kind & CTLFLAG_WR)) { |
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| 261 | if (kind & CTLFLAG_TUN) { |
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| 262 | warnx("oid '%s' is a read only tunable", bufp); |
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| 263 | errx(1, "Tunable values are set in /boot/loader.conf"); |
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| 264 | } else { |
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| 265 | errx(1, "oid '%s' is read only", bufp); |
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| 266 | } |
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| 267 | } |
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| 268 | |
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| 269 | if ((kind & CTLTYPE) == CTLTYPE_INT || |
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| 270 | (kind & CTLTYPE) == CTLTYPE_UINT || |
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| 271 | (kind & CTLTYPE) == CTLTYPE_LONG || |
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| 272 | (kind & CTLTYPE) == CTLTYPE_ULONG || |
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| 273 | (kind & CTLTYPE) == CTLTYPE_S64 || |
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| 274 | (kind & CTLTYPE) == CTLTYPE_U64) { |
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| 275 | if (strlen(newval) == 0) |
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| 276 | errx(1, "empty numeric value"); |
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| 277 | } |
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| 278 | |
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| 279 | switch (kind & CTLTYPE) { |
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| 280 | case CTLTYPE_INT: |
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| 281 | if (strcmp(fmt, "IK") == 0) { |
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| 282 | if (!set_IK(newval, &intval)) |
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| 283 | errx(1, "invalid value '%s'", |
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| 284 | (char *)newval); |
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| 285 | } else { |
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| 286 | intval = (int)strtol(newval, &endptr, |
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| 287 | 0); |
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| 288 | if (endptr == newval || *endptr != '\0') |
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| 289 | errx(1, "invalid integer '%s'", |
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| 290 | (char *)newval); |
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| 291 | } |
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| 292 | newval = &intval; |
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| 293 | newsize = sizeof(intval); |
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| 294 | break; |
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| 295 | case CTLTYPE_UINT: |
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| 296 | uintval = (int) strtoul(newval, &endptr, 0); |
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| 297 | if (endptr == newval || *endptr != '\0') |
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| 298 | errx(1, "invalid unsigned integer '%s'", |
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| 299 | (char *)newval); |
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| 300 | newval = &uintval; |
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| 301 | newsize = sizeof(uintval); |
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| 302 | break; |
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| 303 | case CTLTYPE_LONG: |
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| 304 | longval = strtol(newval, &endptr, 0); |
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| 305 | if (endptr == newval || *endptr != '\0') |
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| 306 | errx(1, "invalid long integer '%s'", |
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| 307 | (char *)newval); |
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| 308 | newval = &longval; |
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| 309 | newsize = sizeof(longval); |
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| 310 | break; |
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| 311 | case CTLTYPE_ULONG: |
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| 312 | ulongval = strtoul(newval, &endptr, 0); |
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| 313 | if (endptr == newval || *endptr != '\0') |
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| 314 | errx(1, "invalid unsigned long integer" |
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| 315 | " '%s'", (char *)newval); |
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| 316 | newval = &ulongval; |
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| 317 | newsize = sizeof(ulongval); |
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| 318 | break; |
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| 319 | case CTLTYPE_STRING: |
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| 320 | break; |
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| 321 | case CTLTYPE_S64: |
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| 322 | i64val = strtoimax(newval, &endptr, 0); |
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| 323 | if (endptr == newval || *endptr != '\0') |
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| 324 | errx(1, "invalid int64_t '%s'", |
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| 325 | (char *)newval); |
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| 326 | newval = &i64val; |
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| 327 | newsize = sizeof(i64val); |
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| 328 | break; |
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| 329 | case CTLTYPE_U64: |
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| 330 | u64val = strtoumax(newval, &endptr, 0); |
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| 331 | if (endptr == newval || *endptr != '\0') |
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| 332 | errx(1, "invalid uint64_t '%s'", |
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| 333 | (char *)newval); |
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| 334 | newval = &u64val; |
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| 335 | newsize = sizeof(u64val); |
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| 336 | break; |
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| 337 | case CTLTYPE_OPAQUE: |
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| 338 | /* FALLTHROUGH */ |
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| 339 | default: |
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| 340 | errx(1, "oid '%s' is type %d," |
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| 341 | " cannot set that", bufp, |
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| 342 | kind & CTLTYPE); |
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| 343 | } |
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| 344 | |
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| 345 | i = show_var(mib, len); |
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| 346 | if (sysctl(mib, len, 0, 0, newval, newsize) == -1) { |
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| 347 | if (!i && !bflag) |
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| 348 | putchar('\n'); |
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| 349 | switch (errno) { |
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| 350 | case EOPNOTSUPP: |
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| 351 | errx(1, "%s: value is not available", |
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| 352 | string); |
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| 353 | case ENOTDIR: |
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| 354 | errx(1, "%s: specification is incomplete", |
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| 355 | string); |
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| 356 | case ENOMEM: |
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| 357 | errx(1, "%s: type is unknown to this program", |
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| 358 | string); |
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| 359 | default: |
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| 360 | warn("%s", string); |
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| 361 | warncount++; |
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| 362 | return; |
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| 363 | } |
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| 364 | } |
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| 365 | if (!bflag) |
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| 366 | printf(" -> "); |
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| 367 | i = nflag; |
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| 368 | nflag = 1; |
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| 369 | j = show_var(mib, len); |
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| 370 | if (!j && !bflag) |
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| 371 | putchar('\n'); |
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| 372 | nflag = i; |
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| 373 | } |
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| 374 | } |
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| 375 | |
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| 376 | /* These functions will dump out various interesting structures. */ |
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| 377 | |
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| 378 | static int |
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| 379 | S_clockinfo(int l2, void *p) |
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| 380 | { |
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| 381 | #ifndef __rtems__ |
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| 382 | struct clockinfo *ci = (struct clockinfo*)p; |
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| 383 | |
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| 384 | if (l2 != sizeof(*ci)) { |
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| 385 | warnx("S_clockinfo %d != %zu", l2, sizeof(*ci)); |
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| 386 | return (1); |
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| 387 | } |
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| 388 | printf(hflag ? "{ hz = %'d, tick = %'d, profhz = %'d, stathz = %'d }" : |
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| 389 | "{ hz = %d, tick = %d, profhz = %d, stathz = %d }", |
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| 390 | ci->hz, ci->tick, ci->profhz, ci->stathz); |
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| 391 | #endif /* __rtems__ */ |
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| 392 | return (0); |
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| 393 | } |
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| 394 | |
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| 395 | static int |
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| 396 | S_loadavg(int l2, void *p) |
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| 397 | { |
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| 398 | struct loadavg *tv = (struct loadavg*)p; |
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| 399 | |
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| 400 | if (l2 != sizeof(*tv)) { |
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| 401 | warnx("S_loadavg %d != %zu", l2, sizeof(*tv)); |
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| 402 | return (1); |
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| 403 | } |
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| 404 | printf(hflag ? "{ %'.2f %'.2f %'.2f }" : "{ %.2f %.2f %.2f }", |
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| 405 | (double)tv->ldavg[0]/(double)tv->fscale, |
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| 406 | (double)tv->ldavg[1]/(double)tv->fscale, |
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| 407 | (double)tv->ldavg[2]/(double)tv->fscale); |
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| 408 | return (0); |
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| 409 | } |
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| 410 | |
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| 411 | static int |
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| 412 | S_timeval(int l2, void *p) |
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| 413 | { |
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| 414 | struct timeval *tv = (struct timeval*)p; |
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| 415 | time_t tv_sec; |
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| 416 | char *p1, *p2; |
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| 417 | |
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| 418 | if (l2 != sizeof(*tv)) { |
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| 419 | warnx("S_timeval %d != %zu", l2, sizeof(*tv)); |
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| 420 | return (1); |
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| 421 | } |
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| 422 | printf(hflag ? "{ sec = %'jd, usec = %'ld } " : |
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| 423 | "{ sec = %jd, usec = %ld } ", |
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| 424 | (intmax_t)tv->tv_sec, tv->tv_usec); |
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| 425 | tv_sec = tv->tv_sec; |
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| 426 | p1 = strdup(ctime(&tv_sec)); |
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| 427 | for (p2=p1; *p2 ; p2++) |
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| 428 | if (*p2 == '\n') |
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| 429 | *p2 = '\0'; |
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| 430 | fputs(p1, stdout); |
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| 431 | free(p1); |
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| 432 | return (0); |
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| 433 | } |
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| 434 | |
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| 435 | static int |
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| 436 | S_vmtotal(int l2, void *p) |
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| 437 | { |
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| 438 | struct vmtotal *v = (struct vmtotal *)p; |
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| 439 | int pageKilo = getpagesize() / 1024; |
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| 440 | |
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| 441 | if (l2 != sizeof(*v)) { |
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| 442 | warnx("S_vmtotal %d != %zu", l2, sizeof(*v)); |
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| 443 | return (1); |
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| 444 | } |
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| 445 | |
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| 446 | printf( |
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| 447 | "\nSystem wide totals computed every five seconds:" |
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| 448 | " (values in kilobytes)\n"); |
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| 449 | printf("===============================================\n"); |
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| 450 | printf( |
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| 451 | "Processes:\t\t(RUNQ: %hd Disk Wait: %hd Page Wait: " |
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| 452 | "%hd Sleep: %hd)\n", |
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| 453 | v->t_rq, v->t_dw, v->t_pw, v->t_sl); |
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| 454 | printf( |
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| 455 | "Virtual Memory:\t\t(Total: %dK Active: %dK)\n", |
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| 456 | v->t_vm * pageKilo, v->t_avm * pageKilo); |
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| 457 | printf("Real Memory:\t\t(Total: %dK Active: %dK)\n", |
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| 458 | v->t_rm * pageKilo, v->t_arm * pageKilo); |
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| 459 | printf("Shared Virtual Memory:\t(Total: %dK Active: %dK)\n", |
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| 460 | v->t_vmshr * pageKilo, v->t_avmshr * pageKilo); |
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| 461 | printf("Shared Real Memory:\t(Total: %dK Active: %dK)\n", |
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| 462 | v->t_rmshr * pageKilo, v->t_armshr * pageKilo); |
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| 463 | printf("Free Memory:\t%dK\n", v->t_free * pageKilo); |
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| 464 | |
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| 465 | return (0); |
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| 466 | } |
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| 467 | |
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| 468 | static int |
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| 469 | set_IK(const char *str, int *val) |
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| 470 | { |
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| 471 | float temp; |
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| 472 | int len, kelv; |
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| 473 | const char *p; |
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| 474 | char *endptr; |
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| 475 | |
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| 476 | if ((len = strlen(str)) == 0) |
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| 477 | return (0); |
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| 478 | p = &str[len - 1]; |
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| 479 | if (*p == 'C' || *p == 'F') { |
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| 480 | temp = strtof(str, &endptr); |
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| 481 | if (endptr == str || endptr != p) |
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| 482 | return (0); |
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| 483 | if (*p == 'F') |
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| 484 | temp = (temp - 32) * 5 / 9; |
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| 485 | kelv = temp * 10 + 2732; |
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| 486 | } else { |
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| 487 | kelv = (int)strtol(str, &endptr, 10); |
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| 488 | if (endptr == str || *endptr != '\0') |
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| 489 | return (0); |
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| 490 | } |
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| 491 | *val = kelv; |
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| 492 | return (1); |
---|
| 493 | } |
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| 494 | |
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| 495 | /* |
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| 496 | * These functions uses a presently undocumented interface to the kernel |
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| 497 | * to walk the tree and get the type so it can print the value. |
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| 498 | * This interface is under work and consideration, and should probably |
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| 499 | * be killed with a big axe by the first person who can find the time. |
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| 500 | * (be aware though, that the proper interface isn't as obvious as it |
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| 501 | * may seem, there are various conflicting requirements. |
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| 502 | */ |
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| 503 | |
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| 504 | static int |
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| 505 | name2oid(char *name, int *oidp) |
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| 506 | { |
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| 507 | int oid[2]; |
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| 508 | int i; |
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| 509 | size_t j; |
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| 510 | |
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| 511 | oid[0] = 0; |
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| 512 | oid[1] = 3; |
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| 513 | |
---|
| 514 | j = CTL_MAXNAME * sizeof(int); |
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| 515 | i = sysctl(oid, 2, oidp, &j, name, strlen(name)); |
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| 516 | if (i < 0) |
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| 517 | return (i); |
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| 518 | j /= sizeof(int); |
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| 519 | return (j); |
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| 520 | } |
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| 521 | |
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| 522 | static int |
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| 523 | oidfmt(int *oid, int len, char *fmt, u_int *kind) |
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| 524 | { |
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| 525 | int qoid[CTL_MAXNAME+2]; |
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| 526 | u_char buf[BUFSIZ]; |
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| 527 | int i; |
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| 528 | size_t j; |
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| 529 | |
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| 530 | qoid[0] = 0; |
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| 531 | qoid[1] = 4; |
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| 532 | memcpy(qoid + 2, oid, len * sizeof(int)); |
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| 533 | |
---|
| 534 | j = sizeof(buf); |
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| 535 | i = sysctl(qoid, len + 2, buf, &j, 0, 0); |
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| 536 | if (i) |
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| 537 | err(1, "sysctl fmt %d %zu %d", i, j, errno); |
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| 538 | |
---|
| 539 | if (kind) |
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| 540 | *kind = *(u_int *)buf; |
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| 541 | |
---|
| 542 | if (fmt) |
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| 543 | strcpy(fmt, (char *)(buf + sizeof(u_int))); |
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| 544 | return (0); |
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| 545 | } |
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| 546 | |
---|
| 547 | static int ctl_sign[CTLTYPE+1] = { |
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| 548 | [CTLTYPE_INT] = 1, |
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| 549 | [CTLTYPE_LONG] = 1, |
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| 550 | [CTLTYPE_S64] = 1, |
---|
| 551 | }; |
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| 552 | |
---|
| 553 | static int ctl_size[CTLTYPE+1] = { |
---|
| 554 | [CTLTYPE_INT] = sizeof(int), |
---|
| 555 | [CTLTYPE_UINT] = sizeof(u_int), |
---|
| 556 | [CTLTYPE_LONG] = sizeof(long), |
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| 557 | [CTLTYPE_ULONG] = sizeof(u_long), |
---|
| 558 | [CTLTYPE_S64] = sizeof(int64_t), |
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| 559 | [CTLTYPE_U64] = sizeof(int64_t), |
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| 560 | }; |
---|
| 561 | |
---|
| 562 | /* |
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| 563 | * This formats and outputs the value of one variable |
---|
| 564 | * |
---|
| 565 | * Returns zero if anything was actually output. |
---|
| 566 | * Returns one if didn't know what to do with this. |
---|
| 567 | * Return minus one if we had errors. |
---|
| 568 | */ |
---|
| 569 | static int |
---|
| 570 | show_var(int *oid, int nlen) |
---|
| 571 | { |
---|
| 572 | u_char buf[BUFSIZ], *val, *oval, *p; |
---|
| 573 | char name[BUFSIZ], *fmt; |
---|
| 574 | const char *sep, *sep1; |
---|
| 575 | int qoid[CTL_MAXNAME+2]; |
---|
| 576 | uintmax_t umv; |
---|
| 577 | intmax_t mv; |
---|
| 578 | int i, hexlen, sign, ctltype; |
---|
| 579 | size_t intlen; |
---|
| 580 | size_t j, len; |
---|
| 581 | u_int kind; |
---|
| 582 | int (*func)(int, void *); |
---|
| 583 | |
---|
| 584 | /* Silence GCC. */ |
---|
| 585 | umv = mv = intlen = 0; |
---|
| 586 | |
---|
| 587 | bzero(buf, BUFSIZ); |
---|
| 588 | bzero(name, BUFSIZ); |
---|
| 589 | qoid[0] = 0; |
---|
| 590 | memcpy(qoid + 2, oid, nlen * sizeof(int)); |
---|
| 591 | |
---|
| 592 | qoid[1] = 1; |
---|
| 593 | j = sizeof(name); |
---|
| 594 | i = sysctl(qoid, nlen + 2, name, &j, 0, 0); |
---|
| 595 | if (i || !j) |
---|
| 596 | err(1, "sysctl name %d %zu %d", i, j, errno); |
---|
| 597 | |
---|
| 598 | if (Nflag) { |
---|
| 599 | printf("%s", name); |
---|
| 600 | return (0); |
---|
| 601 | } |
---|
| 602 | |
---|
| 603 | if (eflag) |
---|
| 604 | sep = "="; |
---|
| 605 | else |
---|
| 606 | sep = ": "; |
---|
| 607 | |
---|
| 608 | if (dflag) { /* just print description */ |
---|
| 609 | qoid[1] = 5; |
---|
| 610 | j = sizeof(buf); |
---|
| 611 | i = sysctl(qoid, nlen + 2, buf, &j, 0, 0); |
---|
| 612 | if (!nflag) |
---|
| 613 | printf("%s%s", name, sep); |
---|
| 614 | printf("%s", buf); |
---|
| 615 | return (0); |
---|
| 616 | } |
---|
| 617 | /* find an estimate of how much we need for this var */ |
---|
| 618 | j = 0; |
---|
| 619 | i = sysctl(oid, nlen, 0, &j, 0, 0); |
---|
| 620 | j += j; /* we want to be sure :-) */ |
---|
| 621 | |
---|
| 622 | val = oval = malloc(j + 1); |
---|
| 623 | if (val == NULL) { |
---|
| 624 | warnx("malloc failed"); |
---|
| 625 | return (1); |
---|
| 626 | } |
---|
| 627 | len = j; |
---|
| 628 | i = sysctl(oid, nlen, val, &len, 0, 0); |
---|
| 629 | if (i || !len) { |
---|
| 630 | free(oval); |
---|
| 631 | return (1); |
---|
| 632 | } |
---|
| 633 | |
---|
| 634 | if (bflag) { |
---|
| 635 | fwrite(val, 1, len, stdout); |
---|
| 636 | free(oval); |
---|
| 637 | return (0); |
---|
| 638 | } |
---|
| 639 | val[len] = '\0'; |
---|
| 640 | fmt = buf; |
---|
| 641 | oidfmt(oid, nlen, fmt, &kind); |
---|
| 642 | p = val; |
---|
| 643 | ctltype = (kind & CTLTYPE); |
---|
| 644 | sign = ctl_sign[ctltype]; |
---|
| 645 | intlen = ctl_size[ctltype]; |
---|
| 646 | |
---|
| 647 | switch (ctltype) { |
---|
| 648 | case CTLTYPE_STRING: |
---|
| 649 | if (!nflag) |
---|
| 650 | printf("%s%s", name, sep); |
---|
| 651 | printf("%.*s", (int)len, p); |
---|
| 652 | free(oval); |
---|
| 653 | return (0); |
---|
| 654 | |
---|
| 655 | case CTLTYPE_INT: |
---|
| 656 | case CTLTYPE_UINT: |
---|
| 657 | case CTLTYPE_LONG: |
---|
| 658 | case CTLTYPE_ULONG: |
---|
| 659 | case CTLTYPE_S64: |
---|
| 660 | case CTLTYPE_U64: |
---|
| 661 | if (!nflag) |
---|
| 662 | printf("%s%s", name, sep); |
---|
| 663 | hexlen = 2 + (intlen * CHAR_BIT + 3) / 4; |
---|
| 664 | sep1 = ""; |
---|
| 665 | while (len >= intlen) { |
---|
| 666 | switch (kind & CTLTYPE) { |
---|
| 667 | case CTLTYPE_INT: |
---|
| 668 | case CTLTYPE_UINT: |
---|
| 669 | umv = *(u_int *)p; |
---|
| 670 | mv = *(int *)p; |
---|
| 671 | break; |
---|
| 672 | case CTLTYPE_LONG: |
---|
| 673 | case CTLTYPE_ULONG: |
---|
| 674 | umv = *(u_long *)p; |
---|
| 675 | mv = *(long *)p; |
---|
| 676 | break; |
---|
| 677 | case CTLTYPE_S64: |
---|
| 678 | case CTLTYPE_U64: |
---|
| 679 | umv = *(uint64_t *)p; |
---|
| 680 | mv = *(int64_t *)p; |
---|
| 681 | break; |
---|
| 682 | } |
---|
| 683 | fputs(sep1, stdout); |
---|
| 684 | if (xflag) |
---|
| 685 | printf("%#0*jx", hexlen, umv); |
---|
| 686 | else if (!sign) |
---|
| 687 | printf(hflag ? "%'ju" : "%ju", umv); |
---|
| 688 | else if (fmt[1] == 'K') { |
---|
| 689 | if (mv < 0) |
---|
| 690 | printf("%jd", mv); |
---|
| 691 | else |
---|
| 692 | printf("%.1fC", (mv - 2732.0) / 10); |
---|
| 693 | } else |
---|
| 694 | printf(hflag ? "%'jd" : "%jd", mv); |
---|
| 695 | sep1 = " "; |
---|
| 696 | len -= intlen; |
---|
| 697 | p += intlen; |
---|
| 698 | } |
---|
| 699 | free(oval); |
---|
| 700 | return (0); |
---|
| 701 | |
---|
| 702 | case CTLTYPE_OPAQUE: |
---|
| 703 | i = 0; |
---|
| 704 | if (strcmp(fmt, "S,clockinfo") == 0) |
---|
| 705 | func = S_clockinfo; |
---|
| 706 | else if (strcmp(fmt, "S,timeval") == 0) |
---|
| 707 | func = S_timeval; |
---|
| 708 | else if (strcmp(fmt, "S,loadavg") == 0) |
---|
| 709 | func = S_loadavg; |
---|
| 710 | else if (strcmp(fmt, "S,vmtotal") == 0) |
---|
| 711 | func = S_vmtotal; |
---|
| 712 | else |
---|
| 713 | func = NULL; |
---|
| 714 | if (func) { |
---|
| 715 | if (!nflag) |
---|
| 716 | printf("%s%s", name, sep); |
---|
| 717 | i = (*func)(len, p); |
---|
| 718 | free(oval); |
---|
| 719 | return (i); |
---|
| 720 | } |
---|
| 721 | /* FALLTHROUGH */ |
---|
| 722 | default: |
---|
| 723 | if (!oflag && !xflag) { |
---|
| 724 | free(oval); |
---|
| 725 | return (1); |
---|
| 726 | } |
---|
| 727 | if (!nflag) |
---|
| 728 | printf("%s%s", name, sep); |
---|
| 729 | printf("Format:%s Length:%zu Dump:0x", fmt, len); |
---|
| 730 | while (len-- && (xflag || p < val + 16)) |
---|
| 731 | printf("%02x", *p++); |
---|
| 732 | if (!xflag && len > 16) |
---|
| 733 | printf("..."); |
---|
| 734 | free(oval); |
---|
| 735 | return (0); |
---|
| 736 | } |
---|
| 737 | free(oval); |
---|
| 738 | return (1); |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | static int |
---|
| 742 | sysctl_all(int *oid, int len) |
---|
| 743 | { |
---|
| 744 | int name1[22], name2[22]; |
---|
| 745 | int i, j; |
---|
| 746 | size_t l1, l2; |
---|
| 747 | |
---|
| 748 | name1[0] = 0; |
---|
| 749 | name1[1] = 2; |
---|
| 750 | l1 = 2; |
---|
| 751 | if (len) { |
---|
| 752 | memcpy(name1+2, oid, len * sizeof(int)); |
---|
| 753 | l1 += len; |
---|
| 754 | } else { |
---|
| 755 | name1[2] = 1; |
---|
| 756 | l1++; |
---|
| 757 | } |
---|
| 758 | for (;;) { |
---|
| 759 | l2 = sizeof(name2); |
---|
| 760 | j = sysctl(name1, l1, name2, &l2, 0, 0); |
---|
| 761 | if (j < 0) { |
---|
| 762 | if (errno == ENOENT) |
---|
| 763 | return (0); |
---|
| 764 | else |
---|
| 765 | err(1, "sysctl(getnext) %d %zu", j, l2); |
---|
| 766 | } |
---|
| 767 | |
---|
| 768 | l2 /= sizeof(int); |
---|
| 769 | |
---|
| 770 | if (len < 0 || l2 < (unsigned int)len) |
---|
| 771 | return (0); |
---|
| 772 | |
---|
| 773 | for (i = 0; i < len; i++) |
---|
| 774 | if (name2[i] != oid[i]) |
---|
| 775 | return (0); |
---|
| 776 | |
---|
| 777 | i = show_var(name2, l2); |
---|
| 778 | if (!i && !bflag) |
---|
| 779 | putchar('\n'); |
---|
| 780 | |
---|
| 781 | memcpy(name1+2, name2, l2 * sizeof(int)); |
---|
| 782 | l1 = 2 + l2; |
---|
| 783 | } |
---|
| 784 | } |
---|