summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Makefile10
-rwxr-xr-xconfigure12
-rw-r--r--include/qemu/osdep.h11
-rw-r--r--qga/main.c57
-rw-r--r--qga/service-win32.c25
-rw-r--r--qga/service-win32.h3
-rw-r--r--util/oslib-posix.c9
-rw-r--r--util/oslib-win32.c22
8 files changed, 127 insertions, 22 deletions
diff --git a/Makefile b/Makefile
index 9695c9d14d..a96736b06b 100644
--- a/Makefile
+++ b/Makefile
@@ -318,13 +318,21 @@ endif
install-datadir:
$(INSTALL_DIR) "$(DESTDIR)$(qemu_datadir)"
+install-localstatedir:
+ifdef CONFIG_POSIX
+ifneq (,$(findstring qemu-ga,$(TOOLS)))
+ $(INSTALL_DIR) "$(DESTDIR)$(qemu_localstatedir)"/run
+endif
+endif
+
install-confdir:
$(INSTALL_DIR) "$(DESTDIR)$(qemu_confdir)"
install-sysconfig: install-datadir install-confdir
$(INSTALL_DATA) $(SRC_PATH)/sysconfigs/target/target-x86_64.conf "$(DESTDIR)$(qemu_confdir)"
-install: all $(if $(BUILD_DOCS),install-doc) install-sysconfig install-datadir
+install: all $(if $(BUILD_DOCS),install-doc) install-sysconfig \
+install-datadir install-localstatedir
$(INSTALL_DIR) "$(DESTDIR)$(bindir)"
ifneq ($(TOOLS),)
$(INSTALL_PROG) $(STRIP_OPT) $(TOOLS) "$(DESTDIR)$(bindir)"
diff --git a/configure b/configure
index eb74510940..918dc36e88 100755
--- a/configure
+++ b/configure
@@ -587,7 +587,7 @@ EOF
qemu_docdir="\${prefix}"
bindir="\${prefix}"
sysconfdir="\${prefix}"
- local_statedir="\${prefix}"
+ local_statedir=
confsuffix=""
libs_qga="-lws2_32 -lwinmm -lpowrprof $libs_qga"
fi
@@ -1082,7 +1082,7 @@ echo " --docdir=PATH install documentation in PATH$confsuffix"
echo " --bindir=PATH install binaries in PATH"
echo " --libdir=PATH install libraries in PATH"
echo " --sysconfdir=PATH install config in PATH$confsuffix"
-echo " --localstatedir=PATH install local state in PATH"
+echo " --localstatedir=PATH install local state in PATH (set at runtime on win32)"
echo " --with-confsuffix=SUFFIX suffix for QEMU data inside datadir and sysconfdir [$confsuffix]"
echo " --enable-debug-tcg enable TCG debugging"
echo " --disable-debug-tcg disable TCG debugging (default)"
@@ -3487,10 +3487,12 @@ echo "library directory `eval echo $libdir`"
echo "libexec directory `eval echo $libexecdir`"
echo "include directory `eval echo $includedir`"
echo "config directory `eval echo $sysconfdir`"
-echo "local state directory `eval echo $local_statedir`"
if test "$mingw32" = "no" ; then
+echo "local state directory `eval echo $local_statedir`"
echo "Manual directory `eval echo $mandir`"
echo "ELF interp prefix $interp_prefix"
+else
+echo "local state directory queried at runtime"
fi
echo "Source path $source_path"
echo "C compiler $cc"
@@ -3611,7 +3613,9 @@ echo "sysconfdir=$sysconfdir" >> $config_host_mak
echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
-echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
+if test "$mingw32" = "no" ; then
+ echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
+fi
echo "qemu_helperdir=$libexecdir" >> $config_host_mak
echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 57d7b1fb4d..26136f16ec 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -204,4 +204,15 @@ const char *qemu_get_version(void);
void fips_set_state(bool requested);
bool fips_get_state(void);
+/* Return a dynamically allocated pathname denoting a file or directory that is
+ * appropriate for storing local state.
+ *
+ * @relative_pathname need not start with a directory separator; one will be
+ * added automatically.
+ *
+ * The caller is responsible for releasing the value returned with g_free()
+ * after use.
+ */
+char *qemu_get_local_state_pathname(const char *relative_pathname);
+
#endif
diff --git a/qga/main.c b/qga/main.c
index 44a283686b..0e04e7395c 100644
--- a/qga/main.c
+++ b/qga/main.c
@@ -45,16 +45,21 @@
#ifndef _WIN32
#define QGA_VIRTIO_PATH_DEFAULT "/dev/virtio-ports/org.qemu.guest_agent.0"
+#define QGA_STATE_RELATIVE_DIR "run"
#else
#define QGA_VIRTIO_PATH_DEFAULT "\\\\.\\Global\\org.qemu.guest_agent.0"
+#define QGA_STATE_RELATIVE_DIR "qemu-ga"
#endif
-#define QGA_STATEDIR_DEFAULT CONFIG_QEMU_LOCALSTATEDIR "/run"
-#define QGA_PIDFILE_DEFAULT QGA_STATEDIR_DEFAULT "/qemu-ga.pid"
#ifdef CONFIG_FSFREEZE
#define QGA_FSFREEZE_HOOK_DEFAULT CONFIG_QEMU_CONFDIR "/fsfreeze-hook"
#endif
#define QGA_SENTINEL_BYTE 0xFF
+static struct {
+ const char *state_dir;
+ const char *pidfile;
+} dfl_pathnames;
+
typedef struct GAPersistentState {
#define QGA_PSTATE_DEFAULT_FD_COUNTER 1000
int64_t fd_counter;
@@ -106,6 +111,17 @@ DWORD WINAPI service_ctrl_handler(DWORD ctrl, DWORD type, LPVOID data,
VOID WINAPI service_main(DWORD argc, TCHAR *argv[]);
#endif
+static void
+init_dfl_pathnames(void)
+{
+ g_assert(dfl_pathnames.state_dir == NULL);
+ g_assert(dfl_pathnames.pidfile == NULL);
+ dfl_pathnames.state_dir = qemu_get_local_state_pathname(
+ QGA_STATE_RELATIVE_DIR);
+ dfl_pathnames.pidfile = qemu_get_local_state_pathname(
+ QGA_STATE_RELATIVE_DIR G_DIR_SEPARATOR_S "qemu-ga.pid");
+}
+
static void quit_handler(int sig)
{
/* if we're frozen, don't exit unless we're absolutely forced to,
@@ -198,11 +214,11 @@ static void usage(const char *cmd)
" -h, --help display this help and exit\n"
"\n"
"Report bugs to <mdroth@linux.vnet.ibm.com>\n"
- , cmd, QEMU_VERSION, QGA_VIRTIO_PATH_DEFAULT, QGA_PIDFILE_DEFAULT,
+ , cmd, QEMU_VERSION, QGA_VIRTIO_PATH_DEFAULT, dfl_pathnames.pidfile,
#ifdef CONFIG_FSFREEZE
QGA_FSFREEZE_HOOK_DEFAULT,
#endif
- QGA_STATEDIR_DEFAULT);
+ dfl_pathnames.state_dir);
}
static const char *ga_log_level_str(GLogLevelFlags level)
@@ -908,11 +924,11 @@ int main(int argc, char **argv)
const char *sopt = "hVvdm:p:l:f:F::b:s:t:";
const char *method = NULL, *path = NULL;
const char *log_filepath = NULL;
- const char *pid_filepath = QGA_PIDFILE_DEFAULT;
+ const char *pid_filepath;
#ifdef CONFIG_FSFREEZE
const char *fsfreeze_hook = NULL;
#endif
- const char *state_dir = QGA_STATEDIR_DEFAULT;
+ const char *state_dir;
#ifdef _WIN32
const char *service = NULL;
#endif
@@ -942,6 +958,10 @@ int main(int argc, char **argv)
module_call_init(MODULE_INIT_QAPI);
+ init_dfl_pathnames();
+ pid_filepath = dfl_pathnames.pidfile;
+ state_dir = dfl_pathnames.state_dir;
+
while ((ch = getopt_long(argc, argv, sopt, lopt, &opt_ind)) != -1) {
switch (ch) {
case 'm':
@@ -1002,7 +1022,16 @@ int main(int argc, char **argv)
case 's':
service = optarg;
if (strcmp(service, "install") == 0) {
- return ga_install_service(path, log_filepath);
+ const char *fixed_state_dir;
+
+ /* If the user passed the "-t" option, we save that state dir
+ * in the service. Otherwise we let the service fetch the state
+ * dir from the environment when it starts.
+ */
+ fixed_state_dir = (state_dir == dfl_pathnames.state_dir) ?
+ NULL :
+ state_dir;
+ return ga_install_service(path, log_filepath, fixed_state_dir);
} else if (strcmp(service, "uninstall") == 0) {
return ga_uninstall_service();
} else {
@@ -1021,6 +1050,20 @@ int main(int argc, char **argv)
}
}
+#ifdef _WIN32
+ /* On win32 the state directory is application specific (be it the default
+ * or a user override). We got past the command line parsing; let's create
+ * the directory (with any intermediate directories). If we run into an
+ * error later on, we won't try to clean up the directory, it is considered
+ * persistent.
+ */
+ if (g_mkdir_with_parents(state_dir, S_IRWXU) == -1) {
+ g_critical("unable to create (an ancestor of) the state directory"
+ " '%s': %s", state_dir, strerror(errno));
+ return EXIT_FAILURE;
+ }
+#endif
+
s = g_malloc0(sizeof(GAState));
s->log_level = log_level;
s->log_file = stderr;
diff --git a/qga/service-win32.c b/qga/service-win32.c
index 843398a6c6..02926abb28 100644
--- a/qga/service-win32.c
+++ b/qga/service-win32.c
@@ -35,38 +35,44 @@ static int printf_win_error(const char *text)
return n;
}
-int ga_install_service(const char *path, const char *logfile)
+int ga_install_service(const char *path, const char *logfile,
+ const char *state_dir)
{
SC_HANDLE manager;
SC_HANDLE service;
- TCHAR cmdline[MAX_PATH];
+ TCHAR module_fname[MAX_PATH];
+ GString *cmdline;
- if (GetModuleFileName(NULL, cmdline, MAX_PATH) == 0) {
+ if (GetModuleFileName(NULL, module_fname, MAX_PATH) == 0) {
printf_win_error("No full path to service's executable");
return EXIT_FAILURE;
}
- _snprintf(cmdline, MAX_PATH - strlen(cmdline), "%s -d", cmdline);
+ cmdline = g_string_new(module_fname);
+ g_string_append(cmdline, " -d");
if (path) {
- _snprintf(cmdline, MAX_PATH - strlen(cmdline), "%s -p %s", cmdline, path);
+ g_string_append_printf(cmdline, " -p %s", path);
}
if (logfile) {
- _snprintf(cmdline, MAX_PATH - strlen(cmdline), "%s -l %s -v",
- cmdline, logfile);
+ g_string_append_printf(cmdline, " -l %s -v", logfile);
+ }
+ if (state_dir) {
+ g_string_append_printf(cmdline, " -t %s", state_dir);
}
- g_debug("service's cmdline: %s", cmdline);
+ g_debug("service's cmdline: %s", cmdline->str);
manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (manager == NULL) {
printf_win_error("No handle to service control manager");
+ g_string_free(cmdline, TRUE);
return EXIT_FAILURE;
}
service = CreateService(manager, QGA_SERVICE_NAME, QGA_SERVICE_DISPLAY_NAME,
SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS, SERVICE_AUTO_START,
- SERVICE_ERROR_NORMAL, cmdline, NULL, NULL, NULL, NULL, NULL);
+ SERVICE_ERROR_NORMAL, cmdline->str, NULL, NULL, NULL, NULL, NULL);
if (service) {
SERVICE_DESCRIPTION desc = { (char *)QGA_SERVICE_DESCRIPTION };
@@ -80,6 +86,7 @@ int ga_install_service(const char *path, const char *logfile)
CloseServiceHandle(service);
CloseServiceHandle(manager);
+ g_string_free(cmdline, TRUE);
return (service == NULL);
}
diff --git a/qga/service-win32.h b/qga/service-win32.h
index 99dfc53348..3b9e87024b 100644
--- a/qga/service-win32.h
+++ b/qga/service-win32.h
@@ -24,7 +24,8 @@ typedef struct GAService {
SERVICE_STATUS_HANDLE status_handle;
} GAService;
-int ga_install_service(const char *path, const char *logfile);
+int ga_install_service(const char *path, const char *logfile,
+ const char *state_dir);
int ga_uninstall_service(void);
#endif
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 631a1dea33..3dc8b1b074 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -47,6 +47,8 @@ extern int daemon(int, int);
# define QEMU_VMALLOC_ALIGN getpagesize()
#endif
+#include <glib/gprintf.h>
+
#include "config-host.h"
#include "sysemu/sysemu.h"
#include "trace.h"
@@ -232,3 +234,10 @@ int qemu_utimens(const char *path, const struct timespec *times)
return utimes(path, &tv[0]);
}
+
+char *
+qemu_get_local_state_pathname(const char *relative_pathname)
+{
+ return g_strdup_printf("%s/%s", CONFIG_QEMU_LOCALSTATEDIR,
+ relative_pathname);
+}
diff --git a/util/oslib-win32.c b/util/oslib-win32.c
index df2ecbdffb..961fbf5e3d 100644
--- a/util/oslib-win32.c
+++ b/util/oslib-win32.c
@@ -26,12 +26,17 @@
* THE SOFTWARE.
*/
#include <windows.h>
+#include <glib.h>
+#include <stdlib.h>
#include "config-host.h"
#include "sysemu/sysemu.h"
#include "qemu/main-loop.h"
#include "trace.h"
#include "qemu/sockets.h"
+/* this must come after including "trace.h" */
+#include <shlobj.h>
+
void *qemu_oom_check(void *ptr)
{
if (ptr == NULL) {
@@ -160,3 +165,20 @@ int qemu_get_thread_id(void)
{
return GetCurrentThreadId();
}
+
+char *
+qemu_get_local_state_pathname(const char *relative_pathname)
+{
+ HRESULT result;
+ char base_path[MAX_PATH+1] = "";
+
+ result = SHGetFolderPath(NULL, CSIDL_COMMON_APPDATA, NULL,
+ /* SHGFP_TYPE_CURRENT */ 0, base_path);
+ if (result != S_OK) {
+ /* misconfigured environment */
+ g_critical("CSIDL_COMMON_APPDATA unavailable: %ld", (long)result);
+ abort();
+ }
+ return g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s", base_path,
+ relative_pathname);
+}