--- /dev/null
+/*
+ * sysinfo.c: get SMBIOS/sysinfo information from the host
+ *
+ * Copyright (C) 2010 Red Hat, Inc.
+ * Copyright (C) 2010 Daniel Veillard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Daniel Veillard <veillard@redhat.com>
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "virterror_internal.h"
+#include "sysinfo.h"
+#include "util.h"
+#include "conf/domain_conf.h"
+#include "logging.h"
+#include "memory.h"
+
+#define VIR_FROM_THIS VIR_FROM_SYSINFO
+
+#define virSmbiosReportError(code, ...) \
+ virReportErrorHelper(NULL, VIR_FROM_SYSINFO, code, __FILE__, \
+ __FUNCTION__, __LINE__, __VA_ARGS__)
+
+#define SYSINFO_SMBIOS_DECODER "dmidecode"
+
+/**
+ * virSysinfoDefFree:
+ * @def: a sysinfo structure
+ *
+ * Free up the sysinfo structure
+ */
+
+void virSysinfoDefFree(virSysinfoDefPtr def)
+{
+ if (def == NULL)
+ return;
+
+ VIR_FREE(def->bios_vendor);
+ VIR_FREE(def->bios_version);
+ VIR_FREE(def->bios_date);
+ VIR_FREE(def->bios_release);
+
+ VIR_FREE(def->system_manufacturer);
+ VIR_FREE(def->system_product);
+ VIR_FREE(def->system_version);
+ VIR_FREE(def->system_serial);
+ VIR_FREE(def->system_uuid);
+ VIR_FREE(def->system_sku);
+ VIR_FREE(def);
+}
+
+/**
+ * virSysinfoRead:
+ *
+ * Tries to read the SMBIOS information from the current host
+ *
+ * Returns: a filled up sysinfo structure or NULL in case of error
+ */
+#ifdef WIN32
+virSysinfoDefPtr
+virSysinfoRead(void) {
+ /*
+ * this can probably be extracted from Windows using API or registry
+ * http://www.microsoft.com/whdc/system/platform/firmware/SMBIOS.mspx
+ */
+ virReportSystemError(ENOSYS, "%s",
+ _("Host sysinfo extraction not supported on this platform"));
+ return(NULL);
+}
+#else
+virSysinfoDefPtr
+virSysinfoRead(void) {
+ char *path, *cur, *eol, *base;
+ int pid, outfd = -1, errfd = -1;
+ virSysinfoDefPtr ret = NULL;
+ const char *argv[] = { NULL, "-q", "-t", "0,1", NULL };
+ int res, waitret, exitstatus;
+ char *outbuf = NULL;
+ char *errbuf = NULL;
+
+ path = virFindFileInPath(SYSINFO_SMBIOS_DECODER);
+ if (path == NULL) {
+ virSmbiosReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Failed to find path for %s binary"),
+ SYSINFO_SMBIOS_DECODER);
+ return(NULL);
+ }
+ argv[0] = path;
+
+ res = virExec(argv, NULL, NULL, &pid, -1, &outfd, &errfd,
+ VIR_EXEC_NONE | VIR_EXEC_NONBLOCK);
+ if (res < 0) {
+ virSmbiosReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Failed to execute command %s"),
+ path);
+ res = 1;
+ goto cleanup;
+ }
+
+ /*
+ * we are interested in the output, capture it and errors too
+ */
+ if (virPipeReadUntilEOF(outfd, errfd, &outbuf, &errbuf) < 0) {
+ virReportSystemError(errno, _("cannot wait for '%s'"), path);
+ while (waitpid(pid, &exitstatus, 0) == -1 && errno == EINTR)
+ ;
+ goto cleanup;
+ }
+
+ if (outbuf)
+ VIR_DEBUG("Command stdout: %s", outbuf);
+ if (errbuf)
+ VIR_DEBUG("Command stderr: %s", errbuf);
+
+ while ((waitret = waitpid(pid, &exitstatus, 0) == -1) &&
+ (errno == EINTR));
+ if (waitret == -1) {
+ virReportSystemError(errno, _("Failed to wait for '%s'"), path);
+ goto cleanup;
+ }
+ if (exitstatus != 0) {
+ virSmbiosReportError(VIR_ERR_INTERNAL_ERROR,
+ _("command %s failed with error code %d:%s"),
+ path, exitstatus, errbuf);
+ goto cleanup;
+ }
+
+ if (VIR_ALLOC(ret) < 0)
+ goto no_memory;
+
+ ret->type = VIR_DOMAIN_SYSINFO_SMBIOS;
+
+ base = outbuf;
+
+ if ((cur = strstr(base, "Vendor: ")) != NULL) {
+ cur += 8;
+ eol = strchr(cur, '\n');
+ if ((eol) && ((ret->bios_vendor = strndup(cur, eol - cur)) == NULL))
+ goto no_memory;
+ }
+ if ((cur = strstr(base, "Version: ")) != NULL) {
+ cur += 9;
+ eol = strchr(cur, '\n');
+ if ((eol) && ((ret->bios_version = strndup(cur, eol - cur)) == NULL))
+ goto no_memory;
+ }
+ if ((cur = strstr(base, "Release Date: ")) != NULL) {
+ cur += 14;
+ eol = strchr(cur, '\n');
+ if ((eol) && ((ret->bios_date = strndup(cur, eol - cur)) == NULL))
+ goto no_memory;
+ }
+ if ((cur = strstr(base, "BIOS Revision: ")) != NULL) {
+ cur += 15;
+ eol = strchr(cur, '\n');
+ if ((eol) && ((ret->bios_release = strndup(cur, eol - cur)) == NULL))
+ goto no_memory;
+ }
+ if ((base = strstr(outbuf, "System Information")) == NULL)
+ goto cleanup;
+ if ((cur = strstr(base, "Manufacturer: ")) != NULL) {
+ cur += 14;
+ eol = strchr(cur, '\n');
+ if ((eol) &&
+ ((ret->system_manufacturer = strndup(cur, eol - cur)) == NULL))
+ goto no_memory;
+ }
+ if ((cur = strstr(base, "Product Name: ")) != NULL) {
+ cur += 14;
+ eol = strchr(cur, '\n');
+ if ((eol) && ((ret->system_product = strndup(cur, eol - cur)) == NULL))
+ goto no_memory;
+ }
+ if ((cur = strstr(base, "Version: ")) != NULL) {
+ cur += 9;
+ eol = strchr(cur, '\n');
+ if ((eol) && ((ret->system_version = strndup(cur, eol - cur)) == NULL))
+ goto no_memory;
+ }
+ if ((cur = strstr(base, "Serial Number: ")) != NULL) {
+ cur += 15;
+ eol = strchr(cur, '\n');
+ if ((eol) && ((ret->system_serial = strndup(cur, eol - cur)) == NULL))
+ goto no_memory;
+ }
+ if ((cur = strstr(base, "UUID: ")) != NULL) {
+ cur += 6;
+ eol = strchr(cur, '\n');
+ if ((eol) && ((ret->system_uuid = strndup(cur, eol - cur)) == NULL))
+ goto no_memory;
+ }
+ if ((cur = strstr(base, "SKU Number: ")) != NULL) {
+ cur += 12;
+ eol = strchr(cur, '\n');
+ if ((eol) && ((ret->system_sku = strndup(cur, eol - cur)) == NULL))
+ goto no_memory;
+ }
+
+cleanup:
+ VIR_FREE(outbuf);
+ VIR_FREE(errbuf);
+ VIR_FREE(path);
+
+ return(ret);
+
+no_memory:
+ virReportOOMError();
+
+
+ virSysinfoDefFree(ret);
+ ret = NULL;
+ goto cleanup;
+}
+#endif
--- /dev/null
+/*
+ * sysinfo.h: structure and entry points for sysinfo support
+ *
+ * Copyright (C) 2010 Red Hat, Inc.
+ * Copyright (C) 2010 Daniel Veillard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Daniel Veillard <veillard@redhat.com>
+ */
+
+#ifndef __VIR_SYSINFOS_H__
+# define __VIR_SYSINFOS_H__
+
+# include "internal.h"
+# include "util.h"
+
+enum virDomainSysinfoType {
+ VIR_DOMAIN_SYSINFO_SMBIOS,
+
+ VIR_DOMAIN_SYSINFO_LAST
+};
+
+typedef struct _virSysinfoDef virSysinfoDef;
+typedef virSysinfoDef *virSysinfoDefPtr;
+struct _virSysinfoDef {
+ int type;
+
+ char *bios_vendor;
+ char *bios_version;
+ char *bios_date;
+ char *bios_release;
+
+ char *system_manufacturer;
+ char *system_product;
+ char *system_version;
+ char *system_serial;
+ char *system_uuid;
+ char *system_sku;
+};
+
+virSysinfoDefPtr virSysinfoRead(void);
+
+void virSysinfoDefFree(virSysinfoDefPtr def);
+
+#endif /* __VIR_SYSINFOS_H__ */
projects / thirdparty / libvirt.git / commitdiff
