summaryrefslogtreecommitdiff
path: root/dmiopt.c
diff options
context:
space:
mode:
authorJörg Frings-Fürst <jff@merkur>2014-05-19 19:33:50 +0200
committerJörg Frings-Fürst <jff@merkur>2014-05-19 19:33:50 +0200
commit723024faf087b48ba8b93db6821bb17f52751120 (patch)
tree7926f6b39b5aea7baf1e7e4549bea817c980df6a /dmiopt.c
Imported Upstream version 2.12upstream/2.12
Diffstat (limited to 'dmiopt.c')
-rw-r--r--dmiopt.c316
1 files changed, 316 insertions, 0 deletions
diff --git a/dmiopt.c b/dmiopt.c
new file mode 100644
index 0000000..46e5cda
--- /dev/null
+++ b/dmiopt.c
@@ -0,0 +1,316 @@
+/*
+ * Command line handling of dmidecode
+ * This file is part of the dmidecode project.
+ *
+ * Copyright (C) 2005-2008 Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include "config.h"
+#include "types.h"
+#include "util.h"
+#include "dmidecode.h"
+#include "dmiopt.h"
+
+
+/* Options are global */
+struct opt opt;
+
+
+/*
+ * Handling of option --type
+ */
+
+struct type_keyword
+{
+ const char *keyword;
+ const u8 *type;
+};
+
+static const u8 opt_type_bios[] = { 0, 13, 255 };
+static const u8 opt_type_system[] = { 1, 12, 15, 23, 32, 255 };
+static const u8 opt_type_baseboard[] = { 2, 10, 41, 255 };
+static const u8 opt_type_chassis[] = { 3, 255 };
+static const u8 opt_type_processor[] = { 4, 255 };
+static const u8 opt_type_memory[] = { 5, 6, 16, 17, 255 };
+static const u8 opt_type_cache[] = { 7, 255 };
+static const u8 opt_type_connector[] = { 8, 255 };
+static const u8 opt_type_slot[] = { 9, 255 };
+
+static const struct type_keyword opt_type_keyword[] = {
+ { "bios", opt_type_bios },
+ { "system", opt_type_system },
+ { "baseboard", opt_type_baseboard },
+ { "chassis", opt_type_chassis },
+ { "processor", opt_type_processor },
+ { "memory", opt_type_memory },
+ { "cache", opt_type_cache },
+ { "connector", opt_type_connector },
+ { "slot", opt_type_slot },
+};
+
+static void print_opt_type_list(void)
+{
+ unsigned int i;
+
+ fprintf(stderr, "Valid type keywords are:\n");
+ for (i = 0; i < ARRAY_SIZE(opt_type_keyword); i++)
+ {
+ fprintf(stderr, " %s\n", opt_type_keyword[i].keyword);
+ }
+}
+
+static u8 *parse_opt_type(u8 *p, const char *arg)
+{
+ unsigned int i;
+
+ /* Allocate memory on first call only */
+ if (p == NULL)
+ {
+ p = (u8 *)calloc(256, sizeof(u8));
+ if (p == NULL)
+ {
+ perror("calloc");
+ return NULL;
+ }
+ }
+
+ /* First try as a keyword */
+ for (i = 0; i < ARRAY_SIZE(opt_type_keyword); i++)
+ {
+ if (!strcasecmp(arg, opt_type_keyword[i].keyword))
+ {
+ int j = 0;
+ while (opt_type_keyword[i].type[j] != 255)
+ p[opt_type_keyword[i].type[j++]] = 1;
+ goto found;
+ }
+ }
+
+ /* Else try as a number */
+ while (*arg != '\0')
+ {
+ unsigned long val;
+ char *next;
+
+ val = strtoul(arg, &next, 0);
+ if (next == arg)
+ {
+ fprintf(stderr, "Invalid type keyword: %s\n", arg);
+ print_opt_type_list();
+ goto exit_free;
+ }
+ if (val > 0xff)
+ {
+ fprintf(stderr, "Invalid type number: %lu\n", val);
+ goto exit_free;
+ }
+
+ p[val] = 1;
+ arg = next;
+ while (*arg == ',' || *arg == ' ')
+ arg++;
+ }
+
+found:
+ return p;
+
+exit_free:
+ free(p);
+ return NULL;
+}
+
+
+/*
+ * Handling of option --string
+ */
+
+/* This lookup table could admittedly be reworked for improved performance.
+ Due to the low count of items in there at the moment, it did not seem
+ worth the additional code complexity though. */
+static const struct string_keyword opt_string_keyword[] = {
+ { "bios-vendor", 0, 0x04 },
+ { "bios-version", 0, 0x05 },
+ { "bios-release-date", 0, 0x08 },
+ { "system-manufacturer", 1, 0x04 },
+ { "system-product-name", 1, 0x05 },
+ { "system-version", 1, 0x06 },
+ { "system-serial-number", 1, 0x07 },
+ { "system-uuid", 1, 0x08 }, /* dmi_system_uuid() */
+ { "baseboard-manufacturer", 2, 0x04 },
+ { "baseboard-product-name", 2, 0x05 },
+ { "baseboard-version", 2, 0x06 },
+ { "baseboard-serial-number", 2, 0x07 },
+ { "baseboard-asset-tag", 2, 0x08 },
+ { "chassis-manufacturer", 3, 0x04 },
+ { "chassis-type", 3, 0x05 }, /* dmi_chassis_type() */
+ { "chassis-version", 3, 0x06 },
+ { "chassis-serial-number", 3, 0x07 },
+ { "chassis-asset-tag", 3, 0x08 },
+ { "processor-family", 4, 0x06 }, /* dmi_processor_family() */
+ { "processor-manufacturer", 4, 0x07 },
+ { "processor-version", 4, 0x10 },
+ { "processor-frequency", 4, 0x16 }, /* dmi_processor_frequency() */
+};
+
+static void print_opt_string_list(void)
+{
+ unsigned int i;
+
+ fprintf(stderr, "Valid string keywords are:\n");
+ for (i = 0; i < ARRAY_SIZE(opt_string_keyword); i++)
+ {
+ fprintf(stderr, " %s\n", opt_string_keyword[i].keyword);
+ }
+}
+
+static int parse_opt_string(const char *arg)
+{
+ unsigned int i;
+
+ if (opt.string)
+ {
+ fprintf(stderr, "Only one string can be specified\n");
+ return -1;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(opt_string_keyword); i++)
+ {
+ if (!strcasecmp(arg, opt_string_keyword[i].keyword))
+ {
+ opt.string = &opt_string_keyword[i];
+ return 0;
+ }
+ }
+
+ fprintf(stderr, "Invalid string keyword: %s\n", arg);
+ print_opt_string_list();
+ return -1;
+}
+
+
+/*
+ * Command line options handling
+ */
+
+/* Return -1 on error, 0 on success */
+int parse_command_line(int argc, char * const argv[])
+{
+ int option;
+ const char *optstring = "d:hqs:t:uV";
+ struct option longopts[] = {
+ { "dev-mem", required_argument, NULL, 'd' },
+ { "help", no_argument, NULL, 'h' },
+ { "quiet", no_argument, NULL, 'q' },
+ { "string", required_argument, NULL, 's' },
+ { "type", required_argument, NULL, 't' },
+ { "dump", no_argument, NULL, 'u' },
+ { "dump-bin", required_argument, NULL, 'B' },
+ { "from-dump", required_argument, NULL, 'F' },
+ { "version", no_argument, NULL, 'V' },
+ { 0, 0, 0, 0 }
+ };
+
+ while ((option = getopt_long(argc, argv, optstring, longopts, NULL)) != -1)
+ switch (option)
+ {
+ case 'B':
+ opt.flags |= FLAG_DUMP_BIN;
+ opt.dumpfile = optarg;
+ break;
+ case 'F':
+ opt.flags |= FLAG_FROM_DUMP;
+ opt.dumpfile = optarg;
+ break;
+ case 'd':
+ opt.devmem = optarg;
+ break;
+ case 'h':
+ opt.flags |= FLAG_HELP;
+ break;
+ case 'q':
+ opt.flags |= FLAG_QUIET;
+ break;
+ case 's':
+ if (parse_opt_string(optarg) < 0)
+ return -1;
+ opt.flags |= FLAG_QUIET;
+ break;
+ case 't':
+ opt.type = parse_opt_type(opt.type, optarg);
+ if (opt.type == NULL)
+ return -1;
+ break;
+ case 'u':
+ opt.flags |= FLAG_DUMP;
+ break;
+ case 'V':
+ opt.flags |= FLAG_VERSION;
+ break;
+ case '?':
+ switch (optopt)
+ {
+ case 's':
+ fprintf(stderr, "String keyword expected\n");
+ print_opt_string_list();
+ break;
+ case 't':
+ fprintf(stderr, "Type number or keyword expected\n");
+ print_opt_type_list();
+ break;
+ }
+ return -1;
+ }
+
+ /* Check for mutually exclusive output format options */
+ if ((opt.string != NULL) + (opt.type != NULL)
+ + !!(opt.flags & FLAG_DUMP_BIN) > 1)
+ {
+ fprintf(stderr, "Options --string, --type and --dump-bin are mutually exclusive\n");
+ return -1;
+ }
+
+ if ((opt.flags & FLAG_FROM_DUMP) && (opt.flags & FLAG_DUMP_BIN))
+ {
+ fprintf(stderr, "Options --from-dump and --dump-bin are mutually exclusive\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+void print_help(void)
+{
+ static const char *help =
+ "Usage: dmidecode [OPTIONS]\n"
+ "Options are:\n"
+ " -d, --dev-mem FILE Read memory from device FILE (default: " DEFAULT_MEM_DEV ")\n"
+ " -h, --help Display this help text and exit\n"
+ " -q, --quiet Less verbose output\n"
+ " -s, --string KEYWORD Only display the value of the given DMI string\n"
+ " -t, --type TYPE Only display the entries of given type\n"
+ " -u, --dump Do not decode the entries\n"
+ " --dump-bin FILE Dump the DMI data to a binary file\n"
+ " --from-dump FILE Read the DMI data from a binary file\n"
+ " -V, --version Display the version and exit\n";
+
+ printf("%s", help);
+}