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Differential D26035 Diff 83362 usr.sbin/bhyve/smbiostbl.c

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usr.sbin/bhyve/smbiostbl.c

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#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
#include <uuid.h> #include <uuid.h>
#include <machine/vmm.h> #include <machine/vmm.h>
#include <vmmapi.h> #include <vmmapi.h>
#include "bhyverun.h" #include "bhyverun.h"
#include "config.h"
#include "debug.h" #include "debug.h"
#include "smbiostbl.h" #include "smbiostbl.h"
#define MB (1024*1024) #define MB (1024*1024)
#define GB (1024ULL*1024*1024) #define GB (1024ULL*1024*1024)
#define SMBIOS_BASE 0xF1000 #define SMBIOS_BASE 0xF1000
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} }
static int static int
smbios_type1_initializer(struct smbios_structure *template_entry, smbios_type1_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr, const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size) uint16_t *n, uint16_t *size)
{ {
struct smbios_table_type1 *type1; struct smbios_table_type1 *type1;
const char *guest_uuid_str;
smbios_generic_initializer(template_entry, template_strings, smbios_generic_initializer(template_entry, template_strings,
curaddr, endaddr, n, size); curaddr, endaddr, n, size);
type1 = (struct smbios_table_type1 *)curaddr; type1 = (struct smbios_table_type1 *)curaddr;
guest_uuid_str = get_config_value("uuid");
if (guest_uuid_str != NULL) { if (guest_uuid_str != NULL) {
uuid_t uuid; uuid_t uuid;
uint32_t status; uint32_t status;
uuid_from_string(guest_uuid_str, &uuid, &status); uuid_from_string(guest_uuid_str, &uuid, &status);
if (status != uuid_s_ok) if (status != uuid_s_ok)
return (-1); return (-1);
uuid_enc_le(&type1->uuid, &uuid); uuid_enc_le(&type1->uuid, &uuid);
} else { } else {
MD5_CTX mdctx; MD5_CTX mdctx;
u_char digest[16]; u_char digest[16];
char hostname[MAXHOSTNAMELEN]; char hostname[MAXHOSTNAMELEN];
const char *vmname;
/* /*
* Universally unique and yet reproducible are an * Universally unique and yet reproducible are an
* oxymoron, however reproducible is desirable in * oxymoron, however reproducible is desirable in
* this case. * this case.
*/ */
if (gethostname(hostname, sizeof(hostname))) if (gethostname(hostname, sizeof(hostname)))
return (-1); return (-1);
MD5Init(&mdctx); MD5Init(&mdctx);
vmname = get_config_value("name");
MD5Update(&mdctx, vmname, strlen(vmname)); MD5Update(&mdctx, vmname, strlen(vmname));
MD5Update(&mdctx, hostname, sizeof(hostname)); MD5Update(&mdctx, hostname, sizeof(hostname));
MD5Final(digest, &mdctx); MD5Final(digest, &mdctx);
/* /*
* Set the variant and version number. * Set the variant and version number.
*/ */
digest[6] &= 0x0F; digest[6] &= 0x0F;
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