diff options
Diffstat (limited to 'dmiopt.c')
| -rw-r--r-- | dmiopt.c | 316 |
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); +} |