diff options
| -rw-r--r-- | qga/commands-posix.c | 135 | ||||
| -rw-r--r-- | qga/commands-win32.c | 191 | ||||
| -rw-r--r-- | qga/qapi-schema.json | 65 |
3 files changed, 391 insertions, 0 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c index e7a047e4c2..7b3d89a92c 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -13,6 +13,7 @@ #include "qemu/osdep.h" #include <sys/ioctl.h> +#include <sys/utsname.h> #include <sys/wait.h> #include <dirent.h> #include "qga/guest-agent-core.h" @@ -2592,3 +2593,137 @@ GuestUserList *qmp_guest_get_users(Error **errp) } #endif + +/* Replace escaped special characters with theire real values. The replacement + * is done in place -- returned value is in the original string. + */ +static void ga_osrelease_replace_special(gchar *value) +{ + gchar *p, *p2, quote; + + /* Trim the string at first space or semicolon if it is not enclosed in + * single or double quotes. */ + if ((value[0] != '"') || (value[0] == '\'')) { + p = strchr(value, ' '); + if (p != NULL) { + *p = 0; + } + p = strchr(value, ';'); + if (p != NULL) { + *p = 0; + } + return; + } + + quote = value[0]; + p2 = value; + p = value + 1; + while (*p != 0) { + if (*p == '\\') { + p++; + switch (*p) { + case '$': + case '\'': + case '"': + case '\\': + case '`': + break; + default: + /* Keep literal backslash followed by whatever is there */ + p--; + break; + } + } else if (*p == quote) { + *p2 = 0; + break; + } + *(p2++) = *(p++); + } +} + +static GKeyFile *ga_parse_osrelease(const char *fname) +{ + gchar *content = NULL; + gchar *content2 = NULL; + GError *err = NULL; + GKeyFile *keys = g_key_file_new(); + const char *group = "[os-release]\n"; + + if (!g_file_get_contents(fname, &content, NULL, &err)) { + slog("failed to read '%s', error: %s", fname, err->message); + goto fail; + } + + if (!g_utf8_validate(content, -1, NULL)) { + slog("file is not utf-8 encoded: %s", fname); + goto fail; + } + content2 = g_strdup_printf("%s%s", group, content); + + if (!g_key_file_load_from_data(keys, content2, -1, G_KEY_FILE_NONE, + &err)) { + slog("failed to parse file '%s', error: %s", fname, err->message); + goto fail; + } + + g_free(content); + g_free(content2); + return keys; + +fail: + g_error_free(err); + g_free(content); + g_free(content2); + g_key_file_free(keys); + return NULL; +} + +GuestOSInfo *qmp_guest_get_osinfo(Error **errp) +{ + GuestOSInfo *info = NULL; + struct utsname kinfo; + GKeyFile *osrelease; + + info = g_new0(GuestOSInfo, 1); + + if (uname(&kinfo) != 0) { + error_setg_errno(errp, errno, "uname failed"); + } else { + info->has_kernel_version = true; + info->kernel_version = g_strdup(kinfo.version); + info->has_kernel_release = true; + info->kernel_release = g_strdup(kinfo.release); + info->has_machine = true; + info->machine = g_strdup(kinfo.machine); + } + + osrelease = ga_parse_osrelease("/etc/os-release"); + if (osrelease == NULL) { + osrelease = ga_parse_osrelease("/usr/lib/os-release"); + } + + if (osrelease != NULL) { + char *value; + +#define GET_FIELD(field, osfield) do { \ + value = g_key_file_get_value(osrelease, "os-release", osfield, NULL); \ + if (value != NULL) { \ + ga_osrelease_replace_special(value); \ + info->has_ ## field = true; \ + info->field = value; \ + } \ +} while (0) + GET_FIELD(id, "ID"); + GET_FIELD(name, "NAME"); + GET_FIELD(pretty_name, "PRETTY_NAME"); + GET_FIELD(version, "VERSION"); + GET_FIELD(version_id, "VERSION_ID"); + GET_FIELD(variant, "VARIANT"); + GET_FIELD(variant_id, "VARIANT_ID"); +#undef GET_FIELD + + g_key_file_free(osrelease); + } + + return info; +} diff --git a/qga/commands-win32.c b/qga/commands-win32.c index 6f1645747b..619dbd2bc2 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -1642,3 +1642,194 @@ GuestUserList *qmp_guest_get_users(Error **err) return NULL; #endif } + +typedef struct _ga_matrix_lookup_t { + int major; + int minor; + char const *version; + char const *version_id; +} ga_matrix_lookup_t; + +static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = { + { + /* Desktop editions */ + { 5, 0, "Microsoft Windows 2000", "2000"}, + { 5, 1, "Microsoft Windows XP", "xp"}, + { 6, 0, "Microsoft Windows Vista", "vista"}, + { 6, 1, "Microsoft Windows 7" "7"}, + { 6, 2, "Microsoft Windows 8", "8"}, + { 6, 3, "Microsoft Windows 8.1", "8.1"}, + {10, 0, "Microsoft Windows 10", "10"}, + { 0, 0, 0} + },{ + /* Server editions */ + { 5, 2, "Microsoft Windows Server 2003", "2003"}, + { 6, 0, "Microsoft Windows Server 2008", "2008"}, + { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"}, + { 6, 2, "Microsoft Windows Server 2012", "2012"}, + { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"}, + {10, 0, "Microsoft Windows Server 2016", "2016"}, + { 0, 0, 0}, + { 0, 0, 0} + } +}; + +static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp) +{ + typedef NTSTATUS(WINAPI * rtl_get_version_t)( + RTL_OSVERSIONINFOEXW *os_version_info_ex); + + info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW); + + HMODULE module = GetModuleHandle("ntdll"); + PVOID fun = GetProcAddress(module, "RtlGetVersion"); + if (fun == NULL) { + error_setg(errp, QERR_QGA_COMMAND_FAILED, + "Failed to get address of RtlGetVersion"); + return; + } + + rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun; + rtl_get_version(info); + return; +} + +static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id) +{ + DWORD major = os_version->dwMajorVersion; + DWORD minor = os_version->dwMinorVersion; + int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION); + ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx]; + while (table->version != NULL) { + if (major == table->major && minor == table->minor) { + if (id) { + return g_strdup(table->version_id); + } else { + return g_strdup(table->version); + } + } + ++table; + } + slog("failed to lookup Windows version: major=%lu, minor=%lu", + major, minor); + return g_strdup("N/A"); +} + +static char *ga_get_win_product_name(Error **errp) +{ + HKEY key = NULL; + DWORD size = 128; + char *result = g_malloc0(size); + LONG err = ERROR_SUCCESS; + + err = RegOpenKeyA(HKEY_LOCAL_MACHINE, + "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", + &key); + if (err != ERROR_SUCCESS) { + error_setg_win32(errp, err, "failed to open registry key"); + goto fail; + } + + err = RegQueryValueExA(key, "ProductName", NULL, NULL, + (LPBYTE)result, &size); + if (err == ERROR_MORE_DATA) { + slog("ProductName longer than expected (%lu bytes), retrying", + size); + g_free(result); + result = NULL; + if (size > 0) { + result = g_malloc0(size); + err = RegQueryValueExA(key, "ProductName", NULL, NULL, + (LPBYTE)result, &size); + } + } + if (err != ERROR_SUCCESS) { + error_setg_win32(errp, err, "failed to retrive ProductName"); + goto fail; + } + + return result; + +fail: + g_free(result); + return NULL; +} + +static char *ga_get_current_arch(void) +{ + SYSTEM_INFO info; + GetNativeSystemInfo(&info); + char *result = NULL; + switch (info.wProcessorArchitecture) { + case PROCESSOR_ARCHITECTURE_AMD64: + result = g_strdup("x86_64"); + break; + case PROCESSOR_ARCHITECTURE_ARM: + result = g_strdup("arm"); + break; + case PROCESSOR_ARCHITECTURE_IA64: + result = g_strdup("ia64"); + break; + case PROCESSOR_ARCHITECTURE_INTEL: + result = g_strdup("x86"); + break; + case PROCESSOR_ARCHITECTURE_UNKNOWN: + default: + slog("unknown processor architecture 0x%0x", + info.wProcessorArchitecture); + result = g_strdup("unknown"); + break; + } + return result; +} + +GuestOSInfo *qmp_guest_get_osinfo(Error **errp) +{ + Error *local_err = NULL; + OSVERSIONINFOEXW os_version = {0}; + bool server; + char *product_name; + GuestOSInfo *info; + + ga_get_win_version(&os_version, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return NULL; + } + + server = os_version.wProductType != VER_NT_WORKSTATION; + product_name = ga_get_win_product_name(&local_err); + if (product_name == NULL) { + error_propagate(errp, local_err); + return NULL; + } + + info = g_new0(GuestOSInfo, 1); + + info->has_kernel_version = true; + info->kernel_version = g_strdup_printf("%lu.%lu", + os_version.dwMajorVersion, + os_version.dwMinorVersion); + info->has_kernel_release = true; + info->kernel_release = g_strdup_printf("%lu", + os_version.dwBuildNumber); + info->has_machine = true; + info->machine = ga_get_current_arch(); + + info->has_id = true; + info->id = g_strdup("mswindows"); + info->has_name = true; + info->name = g_strdup("Microsoft Windows"); + info->has_pretty_name = true; + info->pretty_name = product_name; + info->has_version = true; + info->version = ga_get_win_name(&os_version, false); + info->has_version_id = true; + info->version_id = ga_get_win_name(&os_version, true); + info->has_variant = true; + info->variant = g_strdup(server ? "server" : "client"); + info->has_variant_id = true; + info->variant_id = g_strdup(server ? "server" : "client"); + + return info; +} diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json index 03743ab905..90a0c8602b 100644 --- a/qga/qapi-schema.json +++ b/qga/qapi-schema.json @@ -1126,3 +1126,68 @@ ## { 'command': 'guest-get-timezone', 'returns': 'GuestTimezone' } + +## +# @GuestOSInfo: +# +# @kernel-release: +# * POSIX: release field returned by uname(2) +# * Windows: version number of the OS +# @kernel-version: +# * POSIX: version field returned by uname(2) +# * Windows: build number of the OS +# @machine: +# * POSIX: machine field returned by uname(2) +# * Windows: one of x86, x86_64, arm, ia64 +# @id: +# * POSIX: as defined by os-release(5) +# * Windows: contains string "mswindows" +# @name: +# * POSIX: as defined by os-release(5) +# * Windows: contains string "Microsoft Windows" +# @pretty-name: +# * POSIX: as defined by os-release(5) +# * Windows: product name, e.g. "Microsoft Windows 10 Enterprise" +# @version: +# * POSIX: as defined by os-release(5) +# * Windows: long version string, e.g. "Microsoft Windows Server 2008" +# @version-id: +# * POSIX: as defined by os-release(5) +# * Windows: short version identifier, e.g. "7" or "20012r2" +# @variant: +# * POSIX: as defined by os-release(5) +# * Windows: contains string "server" or "client" +# @variant-id: +# * POSIX: as defined by os-release(5) +# * Windows: contains string "server" or "client" +# +# Notes: +# +# On POSIX systems the fields @id, @name, @pretty-name, @version, @version-id, +# @variant and @variant-id follow the definition specified in os-release(5). +# Refer to the manual page for exact description of the fields. Their values +# are taken from the os-release file. If the file is not present in the system, +# or the values are not present in the file, the fields are not included. +# +# On Windows the values are filled from information gathered from the system. +# +# Since: 2.10 +## +{ 'struct': 'GuestOSInfo', + 'data': { + '*kernel-release': 'str', '*kernel-version': 'str', + '*machine': 'str', '*id': 'str', '*name': 'str', + '*pretty-name': 'str', '*version': 'str', '*version-id': 'str', + '*variant': 'str', '*variant-id': 'str' } } + +## +# @guest-get-osinfo: +# +# Retrieve guest operating system information +# +# Returns: @GuestOSInfo +# +# Since: 2.10 +## +{ 'command': 'guest-get-osinfo', + 'returns': 'GuestOSInfo' } |