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cb5b5380c2
* src/util/sysinfo.h (virSysinfoFormat): New prototype. * src/conf/domain_conf.c (virDomainSysinfoDefFormat): Move guts... * src/util/sysinfo.c (virSysinfoFormat): ...into new function. * src/libvirt_private.syms: Export it.
330 lines
11 KiB
C
330 lines
11 KiB
C
/*
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* sysinfo.c: get SMBIOS/sysinfo information from the host
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*
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* Copyright (C) 2010-2011 Red Hat, Inc.
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* Copyright (C) 2010 Daniel Veillard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Daniel Veillard <veillard@redhat.com>
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "virterror_internal.h"
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#include "sysinfo.h"
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#include "util.h"
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#include "conf/domain_conf.h"
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#include "logging.h"
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#include "memory.h"
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#include "command.h"
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#define VIR_FROM_THIS VIR_FROM_SYSINFO
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#define virSmbiosReportError(code, ...) \
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virReportErrorHelper(NULL, VIR_FROM_SYSINFO, code, __FILE__, \
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__FUNCTION__, __LINE__, __VA_ARGS__)
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#define SYSINFO_SMBIOS_DECODER "dmidecode"
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/**
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* virSysinfoDefFree:
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* @def: a sysinfo structure
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*
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* Free up the sysinfo structure
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*/
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void virSysinfoDefFree(virSysinfoDefPtr def)
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{
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if (def == NULL)
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return;
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VIR_FREE(def->bios_vendor);
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VIR_FREE(def->bios_version);
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VIR_FREE(def->bios_date);
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VIR_FREE(def->bios_release);
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VIR_FREE(def->system_manufacturer);
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VIR_FREE(def->system_product);
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VIR_FREE(def->system_version);
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VIR_FREE(def->system_serial);
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VIR_FREE(def->system_uuid);
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VIR_FREE(def->system_sku);
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VIR_FREE(def->system_family);
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VIR_FREE(def);
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}
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/**
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* virSysinfoRead:
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*
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* Tries to read the SMBIOS information from the current host
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*
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* Returns: a filled up sysinfo structure or NULL in case of error
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*/
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#ifdef WIN32
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virSysinfoDefPtr
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virSysinfoRead(void) {
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/*
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* this can probably be extracted from Windows using API or registry
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* http://www.microsoft.com/whdc/system/platform/firmware/SMBIOS.mspx
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*/
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virReportSystemError(ENOSYS, "%s",
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_("Host sysinfo extraction not supported on this platform"));
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return NULL;
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}
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char *
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virSysinfoFormat(virSysinfoDefPtr def ATTRIBUTE_UNUSED,
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const char *prefix ATTRIBUTE_UNUSED)
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{
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virReportSystemError(ENOSYS, "%s",
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_("Host sysinfo extraction not supported on this platform"));
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return NULL;
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}
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#else /* !WIN32 */
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virSysinfoDefPtr
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virSysinfoRead(void) {
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char *path, *cur, *eol, *base;
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virSysinfoDefPtr ret = NULL;
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char *outbuf = NULL;
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virCommandPtr cmd;
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path = virFindFileInPath(SYSINFO_SMBIOS_DECODER);
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if (path == NULL) {
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virSmbiosReportError(VIR_ERR_INTERNAL_ERROR,
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_("Failed to find path for %s binary"),
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SYSINFO_SMBIOS_DECODER);
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return NULL;
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}
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cmd = virCommandNewArgList(path, "-q", "-t", "0,1", NULL);
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VIR_FREE(path);
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virCommandSetOutputBuffer(cmd, &outbuf);
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if (virCommandRun(cmd, NULL) < 0) {
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virSmbiosReportError(VIR_ERR_INTERNAL_ERROR,
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_("Failed to execute command %s"),
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path);
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goto cleanup;
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}
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if (VIR_ALLOC(ret) < 0)
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goto no_memory;
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ret->type = VIR_DOMAIN_SYSINFO_SMBIOS;
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base = outbuf;
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if ((cur = strstr(base, "Vendor: ")) != NULL) {
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cur += 8;
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eol = strchr(cur, '\n');
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if ((eol) && ((ret->bios_vendor = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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if ((cur = strstr(base, "Version: ")) != NULL) {
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cur += 9;
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eol = strchr(cur, '\n');
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if ((eol) && ((ret->bios_version = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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if ((cur = strstr(base, "Release Date: ")) != NULL) {
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cur += 14;
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eol = strchr(cur, '\n');
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if ((eol) && ((ret->bios_date = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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if ((cur = strstr(base, "BIOS Revision: ")) != NULL) {
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cur += 15;
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eol = strchr(cur, '\n');
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if ((eol) && ((ret->bios_release = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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if ((base = strstr(outbuf, "System Information")) == NULL)
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goto cleanup;
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if ((cur = strstr(base, "Manufacturer: ")) != NULL) {
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cur += 14;
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eol = strchr(cur, '\n');
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if ((eol) &&
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((ret->system_manufacturer = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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if ((cur = strstr(base, "Product Name: ")) != NULL) {
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cur += 14;
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eol = strchr(cur, '\n');
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if ((eol) && ((ret->system_product = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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if ((cur = strstr(base, "Version: ")) != NULL) {
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cur += 9;
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eol = strchr(cur, '\n');
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if ((eol) && ((ret->system_version = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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if ((cur = strstr(base, "Serial Number: ")) != NULL) {
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cur += 15;
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eol = strchr(cur, '\n');
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if ((eol) && ((ret->system_serial = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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if ((cur = strstr(base, "UUID: ")) != NULL) {
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cur += 6;
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eol = strchr(cur, '\n');
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if ((eol) && ((ret->system_uuid = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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if ((cur = strstr(base, "SKU Number: ")) != NULL) {
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cur += 12;
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eol = strchr(cur, '\n');
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if ((eol) && ((ret->system_sku = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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if ((cur = strstr(base, "Family: ")) != NULL) {
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cur += 8;
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eol = strchr(cur, '\n');
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if ((eol) && ((ret->system_family = strndup(cur, eol - cur)) == NULL))
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goto no_memory;
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}
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cleanup:
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VIR_FREE(outbuf);
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virCommandFree(cmd);
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return ret;
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no_memory:
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virReportOOMError();
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virSysinfoDefFree(ret);
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ret = NULL;
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goto cleanup;
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}
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/**
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* virSysinfoFormat:
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* @def: structure to convert to xml string
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* @prefix: string to prefix before each line of xml
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*
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* This returns the XML description of the sysinfo, or NULL after
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* generating an error message.
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*/
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char *
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virSysinfoFormat(virSysinfoDefPtr def, const char *prefix)
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{
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const char *type = virDomainSysinfoTypeToString(def->type);
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virBuffer buf = VIR_BUFFER_INITIALIZER;
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size_t len = strlen(prefix);
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if (!type) {
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virSmbiosReportError(VIR_ERR_INTERNAL_ERROR,
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_("unexpected sysinfo type model %d"),
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def->type);
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return NULL;
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}
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virBufferVSprintf(&buf, "%s<sysinfo type='%s'>\n", prefix, type);
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if ((def->bios_vendor != NULL) || (def->bios_version != NULL) ||
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(def->bios_date != NULL) || (def->bios_release != NULL)) {
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virBufferVSprintf(&buf, "%s <bios>\n", prefix);
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if (def->bios_vendor != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='vendor'>%s</entry>\n",
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def->bios_vendor);
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}
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if (def->bios_version != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='version'>%s</entry>\n",
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def->bios_version);
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}
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if (def->bios_date != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='date'>%s</entry>\n",
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def->bios_date);
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}
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if (def->bios_release != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='release'>%s</entry>\n",
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def->bios_release);
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}
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virBufferVSprintf(&buf, "%s </bios>\n", prefix);
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}
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if ((def->system_manufacturer != NULL) || (def->system_product != NULL) ||
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(def->system_version != NULL) || (def->system_serial != NULL) ||
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(def->system_uuid != NULL) || (def->system_sku != NULL) ||
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(def->system_family != NULL)) {
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virBufferVSprintf(&buf, "%s <system>\n", prefix);
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if (def->system_manufacturer != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='manufacturer'>%s</entry>\n",
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def->system_manufacturer);
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}
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if (def->system_product != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='product'>%s</entry>\n",
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def->system_product);
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}
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if (def->system_version != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='version'>%s</entry>\n",
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def->system_version);
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}
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if (def->system_serial != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='serial'>%s</entry>\n",
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def->system_serial);
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}
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if (def->system_uuid != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='uuid'>%s</entry>\n",
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def->system_uuid);
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}
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if (def->system_sku != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='sku'>%s</entry>\n",
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def->system_sku);
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}
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if (def->system_family != NULL) {
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virBufferAdd(&buf, prefix, len);
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virBufferEscapeString(&buf,
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" <entry name='family'>%s</entry>\n",
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def->system_family);
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}
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virBufferVSprintf(&buf, "%s </system>\n", prefix);
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}
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virBufferVSprintf(&buf, "%s</sysinfo>\n", prefix);
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return virBufferContentAndReset(&buf);
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}
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#endif /* !WIN32 */
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