- Implement serial numbers, UUID, and asset tag (turned off by default).
Use 'BOOT_SENSITIVE_INFO=YES' variable to turn them on. - Use 'uint*_t' instead of 'u_int*_t', correct compilation warnings, and update copyright while I am here.
This commit is contained in:
Jung-uk Kim
parent
0d84d9ebb5
commit
65796b26b3
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=156519
@ -21,6 +21,11 @@ CFLAGS+= -DCOMSPEED=${BOOT_COMCONSOLE_SPEED}
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CFLAGS+= -DDISK_DEBUG
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.endif
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.ifdef(BOOT_SENSITIVE_INFO)
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# Show serial numbers, UUID, and asset tag from loader
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CFLAGS+= -DSHOW_SENSITIVE_INFO
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.endif
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# Include simple terminal emulation (cons25-compatible)
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CFLAGS+= -DTERM_EMU
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@ -100,9 +100,9 @@ int biospci_find_devclass(uint32_t class, int index);
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int biospci_write_config(uint32_t locator, int offset, int width, int val);
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int biospci_read_config(uint32_t locator, int offset, int width, uint32_t *val);
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void biosacpi_detect();
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void biosacpi_detect(void);
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void smbios_detect();
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void smbios_detect(void);
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void gateA20(void);
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@ -1,5 +1,5 @@
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/*-
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* Copyright (c) 2005 Jung-uk Kim <jkim@FreeBSD.org>
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* Copyright (c) 2005, 2006 Jung-uk Kim <jkim@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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@ -31,6 +31,7 @@ __FBSDID("$FreeBSD$");
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#include <bootstrap.h>
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#include "btxv86.h"
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#include "libi386.h"
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/*
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* Detect SMBIOS and export information about the SMBIOS into the
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@ -54,21 +55,26 @@ __FBSDID("$FreeBSD$");
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#define SMBIOS_SIG "_SM_"
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#define SMBIOS_DMI_SIG "_DMI_"
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static u_int8_t smbios_enabled_sockets = 0;
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static u_int8_t smbios_populated_sockets = 0;
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static uint8_t smbios_enabled_sockets = 0;
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static uint8_t smbios_populated_sockets = 0;
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static u_int8_t *smbios_parse_table(const u_int8_t *dmi);
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static void smbios_setenv(const char *env, const u_int8_t *dmi,
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static uint8_t *smbios_parse_table(const uint8_t *dmi);
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static void smbios_setenv(const char *name, const uint8_t *dmi,
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const int offset);
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static u_int8_t smbios_checksum(const u_int8_t *addr, const u_int8_t len);
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static u_int8_t *smbios_sigsearch(const caddr_t addr, const u_int32_t len);
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static uint8_t smbios_checksum(const caddr_t addr, const uint8_t len);
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static uint8_t *smbios_sigsearch(const caddr_t addr, const uint32_t len);
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#ifdef SHOW_SENSITIVE_INFO
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static void smbios_setuuid(const char *name, const uint8_t *dmi,
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const int offset);
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#endif
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void
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smbios_detect(void)
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{
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u_int8_t *smbios, *dmi, *addr;
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u_int16_t i, length, count;
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u_int32_t paddr;
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uint8_t *smbios, *dmi, *addr;
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uint16_t i, length, count;
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uint32_t paddr;
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char buf[4];
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/* locate and validate the SMBIOS */
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@ -76,9 +82,9 @@ smbios_detect(void)
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if (smbios == NULL)
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return;
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length = *(u_int16_t *)(smbios + 0x16); /* Structure Table Length */
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paddr = *(u_int32_t *)(smbios + 0x18); /* Structure Table Address */
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count = *(u_int16_t *)(smbios + 0x1c); /* No of SMBIOS Structures */
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length = *(uint16_t *)(smbios + 0x16); /* Structure Table Length */
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paddr = *(uint32_t *)(smbios + 0x18); /* Structure Table Address */
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count = *(uint16_t *)(smbios + 0x1c); /* No of SMBIOS Structures */
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for (dmi = addr = PTOV(paddr), i = 0;
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dmi - addr < length && i < count; i++)
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@ -89,10 +95,10 @@ smbios_detect(void)
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setenv("smbios.socket.populated", buf, 1);
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}
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static u_int8_t *
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smbios_parse_table(const u_int8_t *dmi)
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static uint8_t *
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smbios_parse_table(const uint8_t *dmi)
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{
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u_int8_t *dp;
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uint8_t *dp;
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switch(dmi[0]) {
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case 0: /* Type 0: BIOS */
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@ -105,17 +111,28 @@ smbios_parse_table(const u_int8_t *dmi)
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smbios_setenv("smbios.system.maker", dmi, 0x04);
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smbios_setenv("smbios.system.product", dmi, 0x05);
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smbios_setenv("smbios.system.version", dmi, 0x06);
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#ifdef SHOW_SENSITIVE_INFO
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smbios_setenv("smbios.system.serial", dmi, 0x07);
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smbios_setuuid("smbios.system.uuid", dmi, 0x08);
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#endif
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break;
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case 2: /* Type 2: Base Board (or Module) */
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smbios_setenv("smbios.planar.maker", dmi, 0x04);
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smbios_setenv("smbios.planar.product", dmi, 0x05);
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smbios_setenv("smbios.planar.version", dmi, 0x06);
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#ifdef SHOW_SENSITIVE_INFO
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smbios_setenv("smbios.planar.serial", dmi, 0x07);
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#endif
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break;
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case 3: /* Type 3: System Enclosure or Chassis */
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smbios_setenv("smbios.chassis.maker", dmi, 0x04);
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smbios_setenv("smbios.chassis.version", dmi, 0x06);
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#ifdef SHOW_SENSITIVE_INFO
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smbios_setenv("smbios.chassis.serial", dmi, 0x07);
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smbios_setenv("smbios.chassis.tag", dmi, 0x08);
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#endif
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break;
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case 4: /* Type 4: Processor Information */
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@ -147,7 +164,7 @@ smbios_parse_table(const u_int8_t *dmi)
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}
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/* find structure terminator */
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dp = (u_int8_t *)(dmi + dmi[1]);
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dp = __DECONST(uint8_t *, dmi + dmi[1]);
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while (dp[0] != 0 || dp[1] != 0)
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dp++;
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@ -155,42 +172,43 @@ smbios_parse_table(const u_int8_t *dmi)
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}
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static void
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smbios_setenv(const char *str, const u_int8_t *dmi, const int offset)
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smbios_setenv(const char *name, const uint8_t *dmi, const int offset)
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{
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char *cp;
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char *cp = __DECONST(char *, dmi + dmi[1]);
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int i;
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/* skip undefined string */
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if (dmi[offset] == 0)
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return;
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for (cp = (char *)(dmi + dmi[1]), i = 0; i < dmi[offset] - 1; i++)
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for (i = 0; i < dmi[offset] - 1; i++)
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cp += strlen(cp) + 1;
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setenv(str, cp, 1);
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setenv(name, cp, 1);
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}
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static u_int8_t
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smbios_checksum(const u_int8_t *addr, const u_int8_t len)
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static uint8_t
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smbios_checksum(const caddr_t addr, const uint8_t len)
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{
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u_int8_t sum;
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const uint8_t *cp = addr;
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uint8_t sum;
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int i;
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for (sum = 0, i = 0; i < len; i++)
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sum += addr[i];
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sum += cp[i];
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return(sum);
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}
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static u_int8_t *
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smbios_sigsearch(const caddr_t addr, const u_int32_t len)
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static uint8_t *
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smbios_sigsearch(const caddr_t addr, const uint32_t len)
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{
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caddr_t cp;
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/* search on 16-byte boundaries */
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for (cp = addr; cp - addr < len; cp += SMBIOS_STEP) {
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for (cp = addr; cp < addr + len; cp += SMBIOS_STEP) {
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/* compare signature, validate checksum */
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if (!strncmp(cp, SMBIOS_SIG, 4)) {
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if (smbios_checksum(cp, *(cp + 0x05)))
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if (smbios_checksum(cp, *(uint8_t *)(cp + 0x05)))
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continue;
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if (strncmp(cp + 0x10, SMBIOS_DMI_SIG, 5))
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continue;
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@ -203,3 +221,29 @@ smbios_sigsearch(const caddr_t addr, const u_int32_t len)
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return(NULL);
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}
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#ifdef SHOW_SENSITIVE_INFO
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static void
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smbios_setuuid(const char *name, const uint8_t *dmi, const int offset)
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{
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const uint8_t *idp = dmi + offset;
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int i, f = 0, z = 0;
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char uuid[37];
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for (i = 0; i < 16; i++) {
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if (idp[i] == 0xff)
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f++;
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if (idp[i] == 0x00)
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z++;
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}
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if (f != 16 && z != 16) {
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sprintf(uuid, "%02X%02X%02X%02X-"
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"%02X%02X-%02X%02X-%02X%02X-"
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"%02X%02X%02X%02X%02X%02X",
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idp[0], idp[1], idp[2], idp[3],
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idp[4], idp[5], idp[6], idp[7], idp[8], idp[9],
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idp[10], idp[11], idp[12], idp[13], idp[14], idp[15]);
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setenv(name, uuid, 1);
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}
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}
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#endif
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