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services: Improve implementation of service_get_pipe_name. 

Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sebastian Lackner 2016-04-18 17:07:06 +02:00 committed by Alexandre Julliard
parent af7f8d536b
commit 4f3f502886
1 changed files with 24 additions and 34 deletions
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58
programs/services/services.c
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@ -43,6 +43,7 @@ DWORD service_pipe_timeout = 10000;
DWORD service_kill_timeout = 60000;
static DWORD default_preshutdown_timeout = 180000;
static void *env = NULL;
static HKEY service_current_key = NULL;
static const BOOL is_win64 = (sizeof(void *) > sizeof(int));
@ -608,39 +609,21 @@ static LPWSTR service_get_pipe_name(void)
{
static const WCHAR format[] = { '\\','\\','.','\\','p','i','p','e','\\',
'n','e','t','\\','N','t','C','o','n','t','r','o','l','P','i','p','e','%','u',0};
static const WCHAR service_current_key_str[] = { 'S','Y','S','T','E','M','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'S','e','r','v','i','c','e','C','u','r','r','e','n','t',0};
LPWSTR name;
DWORD len;
HKEY service_current_key;
DWORD service_current = -1;
static WCHAR name[sizeof(format)/sizeof(WCHAR) + 10]; /* strlenW("4294967295") */
static DWORD service_current = 0;
DWORD len, value = -1;
LONG ret;
DWORD type;
ret = RegCreateKeyExW(HKEY_LOCAL_MACHINE, service_current_key_str, 0,
NULL, REG_OPTION_VOLATILE, KEY_SET_VALUE | KEY_QUERY_VALUE, NULL,
&service_current_key, NULL);
if (ret != ERROR_SUCCESS)
return NULL;
len = sizeof(service_current);
len = sizeof(value);
ret = RegQueryValueExW(service_current_key, NULL, NULL, &type,
(BYTE *)&service_current, &len);
if ((ret == ERROR_SUCCESS && type == REG_DWORD) || ret == ERROR_FILE_NOT_FOUND)
{
service_current++;
RegSetValueExW(service_current_key, NULL, 0, REG_DWORD,
(BYTE *)&service_current, sizeof(service_current));
}
RegCloseKey(service_current_key);
if ((ret != ERROR_SUCCESS || type != REG_DWORD) && (ret != ERROR_FILE_NOT_FOUND))
return NULL;
len = sizeof(format)/sizeof(WCHAR) + 10 /* strlenW("4294967295") */;
name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!name)
return NULL;
snprintfW(name, len, format, service_current);
(BYTE *)&value, &len);
if (ret == ERROR_SUCCESS && type == REG_DWORD)
service_current = max(service_current, value + 1);
RegSetValueExW(service_current_key, NULL, 0, REG_DWORD,
(BYTE *)&service_current, sizeof(service_current));
sprintfW(name, format, service_current);
service_current++;
return name;
}
@ -855,7 +838,6 @@ DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *
{
struct process_entry *process = service->process;
DWORD err;
LPWSTR name;
err = scmdatabase_lock_startup(service->db);
if (err != ERROR_SUCCESS)
@ -876,10 +858,8 @@ DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *
if (!process->overlapped_event)
process->overlapped_event = CreateEventW(NULL, TRUE, FALSE, NULL);
name = service_get_pipe_name();
process->control_pipe = CreateNamedPipeW(name, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE|PIPE_WAIT, 1, 256, 256, 10000, NULL );
HeapFree(GetProcessHeap(), 0, name);
process->control_pipe = CreateNamedPipeW(service_get_pipe_name(), PIPE_ACCESS_DUPLEX |
FILE_FLAG_OVERLAPPED, PIPE_TYPE_BYTE|PIPE_WAIT, 1, 256, 256, 10000, NULL );
if (process->control_pipe == INVALID_HANDLE_VALUE)
{
WINE_ERR("failed to create pipe for %s, error = %d\n",
@ -964,6 +944,10 @@ static void load_registry_parameters(void)
int main(int argc, char *argv[])
{
static const WCHAR service_current_key_str[] = { 'S','Y','S','T','E','M','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'S','e','r','v','i','c','e','C','u','r','r','e','n','t',0};
static const WCHAR svcctl_started_event[] = SVCCTL_STARTED_EVENT;
HANDLE htok;
DWORD err;
@ -979,6 +963,12 @@ int main(int argc, char *argv[])
if (!env)
WINE_ERR("failed to create services environment\n");
err = RegCreateKeyExW(HKEY_LOCAL_MACHINE, service_current_key_str, 0,
NULL, REG_OPTION_VOLATILE, KEY_SET_VALUE | KEY_QUERY_VALUE, NULL,
&service_current_key, NULL);
if (err != ERROR_SUCCESS)
return err;
load_registry_parameters();
err = scmdatabase_create(&active_database);
if (err != ERROR_SUCCESS)