Windows: Adjust error return values
[openafs.git] / src / WINNT / afsd / cm_utils.c
index f46c326..11defd0 100644 (file)
 
 #include <errno.h>
 #include <windows.h>
+#include <shlwapi.h>
 #include <winsock2.h>
-#ifndef EWOULDBLOCK
-#define EWOULDBLOCK             WSAEWOULDBLOCK
-#define EINPROGRESS             WSAEINPROGRESS
-#define EALREADY                WSAEALREADY
-#define ENOTSOCK                WSAENOTSOCK
-#define EDESTADDRREQ            WSAEDESTADDRREQ
-#define EMSGSIZE                WSAEMSGSIZE
-#define EPROTOTYPE              WSAEPROTOTYPE
-#define ENOPROTOOPT             WSAENOPROTOOPT
-#define EPROTONOSUPPORT         WSAEPROTONOSUPPORT
-#define ESOCKTNOSUPPORT         WSAESOCKTNOSUPPORT
-#define EOPNOTSUPP              WSAEOPNOTSUPP
-#define EPFNOSUPPORT            WSAEPFNOSUPPORT
-#define EAFNOSUPPORT            WSAEAFNOSUPPORT
-#define EADDRINUSE              WSAEADDRINUSE
-#define EADDRNOTAVAIL           WSAEADDRNOTAVAIL
-#define ENETDOWN                WSAENETDOWN
-#define ENETUNREACH             WSAENETUNREACH
-#define ENETRESET               WSAENETRESET
-#define ECONNABORTED            WSAECONNABORTED
-#define ECONNRESET              WSAECONNRESET
-#define ENOBUFS                 WSAENOBUFS
-#define EISCONN                 WSAEISCONN
-#define ENOTCONN                WSAENOTCONN
-#define ESHUTDOWN               WSAESHUTDOWN
-#define ETOOMANYREFS            WSAETOOMANYREFS
-#define ETIMEDOUT               WSAETIMEDOUT
-#define ECONNREFUSED            WSAECONNREFUSED
-#ifdef ELOOP
-#undef ELOOP
-#endif
-#define ELOOP                   WSAELOOP
-#ifdef ENAMETOOLONG
-#undef ENAMETOOLONG
-#endif
-#define ENAMETOOLONG            WSAENAMETOOLONG
-#define EHOSTDOWN               WSAEHOSTDOWN
-#define EHOSTUNREACH            WSAEHOSTUNREACH
-#ifdef ENOTEMPTY
-#undef ENOTEMPTY
-#endif 
-#define ENOTEMPTY               WSAENOTEMPTY
-#define EPROCLIM                WSAEPROCLIM
-#define EUSERS                  WSAEUSERS
-#define EDQUOT                  WSAEDQUOT
-#define ESTALE                  WSAESTALE
-#define EREMOTE                 WSAEREMOTE
-#endif /* EWOULDBLOCK */
-#include <afs/unified_afs.h>
-
 #include <string.h>
 #include <malloc.h>
+#define STRSAFE_NO_DEPRECATE
+#include <strsafe.h>
+
 #include "afsd.h"
 #include <osi.h>
 #include <rx/rx.h>
 
-#define STRSAFE_NO_DEPRECATE
-#include <strsafe.h>
-
+#include <afs/unified_afs.h>
 
 static osi_once_t cm_utilsOnce;
 
@@ -81,6 +33,24 @@ cm_space_t *cm_spaceListp;
 
 static int et2sys[512];
 
+static DWORD cm_TlsRequestSlot = -1;
+
+void cm_utilsInit(void)
+{
+    if (osi_Once(&cm_utilsOnce)) {
+        lock_InitializeRWLock(&cm_utilsLock, "cm_utilsLock", LOCK_HIERARCHY_UTILS_GLOBAL);
+
+        cm_TlsRequestSlot = TlsAlloc();
+
+        osi_EndOnce(&cm_utilsOnce);
+    }
+}
+
+void cm_utilsCleanup(void)
+{
+    TlsFree(cm_TlsRequestSlot);
+}
+
 void
 init_et_to_sys_error(void)
 {
@@ -238,8 +208,12 @@ long cm_MapRPCError(long error, cm_req_t *reqp)
 
     error = et_to_sys_error(error);
 
-    if (error < 0) 
-        error = CM_ERROR_TIMEDOUT;
+    if (error == RX_CALL_DEAD ||
+        error == RX_CALL_TIMEOUT ||
+        error == RX_RESTARTING)
+        error = CM_ERROR_RETRY;
+    else if (error < 0)
+        error = CM_ERROR_UNKNOWN;
     else if (error == EROFS) 
         error = CM_ERROR_READONLY;
     else if (error == EACCES) 
@@ -269,6 +243,8 @@ long cm_MapRPCError(long error, cm_req_t *reqp)
         error = CM_ERROR_QUOTA;
     else if (error == VNOVNODE)
         error = CM_ERROR_BADFD;
+    else if (error == VNOSERVICE || error == VSALVAGE || error == VOFFLINE)
+        error = CM_ERROR_ALLOFFLINE;
     else if (error == EISDIR)
         return CM_ERROR_ISDIR;
     return error;
@@ -292,8 +268,12 @@ long cm_MapRPCErrorRmdir(long error, cm_req_t *reqp)
 
     error = et_to_sys_error(error);
 
-    if (error < 0) 
-        error = CM_ERROR_TIMEDOUT;
+    if (error == RX_CALL_DEAD ||
+        error == RX_CALL_TIMEOUT ||
+        error == RX_RESTARTING)
+        error = CM_ERROR_RETRY;
+    else if (error < 0)
+        error = CM_ERROR_UNKNOWN;
     else if (error == EROFS) 
         error = CM_ERROR_READONLY;
     else if (error == ENOTDIR) 
@@ -328,8 +308,12 @@ long cm_MapVLRPCError(long error, cm_req_t *reqp)
 
     error = et_to_sys_error(error);
 
-    if (error < 0) 
-       error = CM_ERROR_TIMEDOUT;
+    if (error == RX_CALL_DEAD ||
+        error == RX_CALL_TIMEOUT ||
+        error == RX_RESTARTING)
+        error = CM_ERROR_RETRY;
+    else if (error < 0)
+        error = CM_ERROR_UNKNOWN;
     else if (error == VL_NOENT || error == VL_BADNAME) 
        error = CM_ERROR_NOSUCHVOLUME;
     return error;
@@ -339,11 +323,8 @@ cm_space_t *cm_GetSpace(void)
 {
        cm_space_t *tsp;
 
-       if (osi_Once(&cm_utilsOnce)) {
-               lock_InitializeRWLock(&cm_utilsLock, "cm_utilsLock", LOCK_HIERARCHY_UTILS_GLOBAL);
-               osi_EndOnce(&cm_utilsOnce);
-        }
-        
+        cm_utilsInit();
+
         lock_ObtainWrite(&cm_utilsLock);
        if (tsp = cm_spaceListp) {
                cm_spaceListp = tsp->nextp;
@@ -398,7 +379,10 @@ int cm_Is8Dot3(clientchar_t *namep)
     int sawDot = 0;
     clientchar_t tc;
     int charCount = 0;
-        
+    
+    if (namep == NULL || !namep[0])
+        return 0;
+
     /*
      * can't have a leading dot;
      * special case for . and ..
@@ -657,6 +641,14 @@ szWildCardMatchFileName(clientchar_t * pattern, clientchar_t * name, int casefol
                                             cm_ClientCharNext(p), FALSE))
                     return TRUE;
             } /* endfor */
+            if (*pattern == '.' && *pattern_next == '\0') {
+                for (p = name; p && *p; p = cm_ClientCharNext(p))
+                    if (*p == '.')
+                        break;
+                if (p && *p)
+                    return FALSE;
+                return TRUE;
+            }
             return FALSE;
 
         default:
@@ -681,8 +673,9 @@ szWildCardMatchFileName(clientchar_t * pattern, clientchar_t * name, int casefol
  */
 int cm_MatchMask(clientchar_t *namep, clientchar_t *maskp, int flags) 
 {
-    clientchar_t * newmask;
-    int    i, j, star, qmark, casefold, retval;
+    clientchar_t *newmask, lastchar = _C('\0');
+    int    i, j, casefold, retval;
+    int  star = 0, qmark = 0, dot = 0;
 
     /* make sure we only match 8.3 names, if requested */
     if ((flags & CM_FLAG_8DOT3) && !cm_Is8Dot3(namep)) 
@@ -695,8 +688,9 @@ int cm_MatchMask(clientchar_t *namep, clientchar_t *maskp, int flags)
      * for example  the sequence "*?*?*?*"
      * must be turned into the form "*"
      */
-    newmask = (clientchar_t *)malloc((cm_ClientStrLen(maskp)+1)*sizeof(clientchar_t));
+    newmask = (clientchar_t *)malloc((cm_ClientStrLen(maskp)+2)*sizeof(clientchar_t));
     for ( i=0, j=0, star=0, qmark=0; maskp[i]; i++) {
+        lastchar = maskp[i];
         switch ( maskp[i] ) {
         case '?':
         case '>':
@@ -706,6 +700,9 @@ int cm_MatchMask(clientchar_t *namep, clientchar_t *maskp, int flags)
         case '*':
             star++;
             break;
+        case '.':
+            dot++;
+            /* fallthrough */
         default:
             if ( star ) {
                 newmask[j++] = '*';
@@ -724,6 +721,8 @@ int cm_MatchMask(clientchar_t *namep, clientchar_t *maskp, int flags)
         while ( qmark-- )
             newmask[j++] = '?';
     }
+    if (dot == 0 && lastchar == '<')
+        newmask[j++] = '.';
     newmask[j++] = '\0';
 
     retval = szWildCardMatchFileName(newmask, namep, casefold) ? 1:0;
@@ -732,3 +731,319 @@ int cm_MatchMask(clientchar_t *namep, clientchar_t *maskp, int flags)
     return retval;
 }
 
+BOOL
+cm_TargetPerceivedAsDirectory(const fschar_t *target)
+{
+    char        * ext;
+
+    ext = PathFindExtension(target);
+    if (!ext[0])
+        return TRUE;
+
+    return FALSE;
+}
+
+HANDLE 
+cm_LoadAfsdHookLib(void)
+{
+    char dllname[260];
+    char *p;
+    HANDLE hLib;
+
+    if (!GetModuleFileName(NULL, dllname, sizeof(dllname)))
+        return NULL;
+
+    p = strrchr(dllname, '\\');
+    if (p) {
+        p++;
+        strcpy(p, AFSD_HOOK_DLL);
+        hLib = LoadLibrary(dllname);
+    } else {
+        hLib = LoadLibrary(AFSD_HOOK_DLL);
+    }
+
+    return hLib;
+}
+
+/*
+ * Obtain the file info structure for the specified file.
+ * If a full path is not specified, the search order is the
+ * same as that used by LoadLibrary().
+ */
+BOOL
+cm_GetOSFileVersion (char *filename, LARGE_INTEGER *liVer)
+{
+    DWORD dwHandle;
+    DWORD dwSize;
+    char* pInfo = NULL;
+    BOOL  rc;
+    UINT uLen;
+    void *pbuf;
+    VS_FIXEDFILEINFO vsf;
+
+    dwSize = GetFileVersionInfoSizeA(filename,&dwHandle);
+    if (dwSize == 0) {
+        rc = FALSE;
+        goto done;
+    }
+    pInfo = (char*)malloc(dwSize);
+    if (!pInfo) {
+        rc = FALSE;
+        goto done;
+    }
+    rc = GetFileVersionInfoA(filename, dwHandle, dwSize, pInfo);
+    if (!rc)
+        goto done;
+    rc = VerQueryValueA(pInfo,"\\",&pbuf, &uLen);
+    if (!rc)
+        goto done;
+    memcpy(&vsf, pbuf, sizeof(VS_FIXEDFILEINFO));
+
+    liVer->LowPart = vsf.dwFileVersionLS;
+    liVer->HighPart = vsf.dwFileVersionMS;
+    rc = TRUE;
+
+  done:
+    if (pInfo)
+        free(pInfo);
+    return rc;
+}
+
+typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
+typedef BOOL (WINAPI *LPFN_DISABLEWOW64FSREDIRECTION) (PVOID *);
+typedef BOOL (WINAPI *LPFN_REVERTWOW64FSREDIRECTION) (PVOID);
+
+BOOL msftSMBRedirectorSupportsExtendedTimeouts(void) 
+{
+    static BOOL fChecked = FALSE;
+    static BOOL fSupportsExtendedTimeouts = FALSE;
+
+    if (!fChecked)
+    {
+        BOOL isWow64 = FALSE;
+        OSVERSIONINFOEX Version;
+        HANDLE h1 = NULL;
+        LPFN_ISWOW64PROCESS fnIsWow64Process = NULL;
+        LPFN_DISABLEWOW64FSREDIRECTION fnDisableWow64FsRedirection = NULL;
+        LPFN_REVERTWOW64FSREDIRECTION fnRevertWow64FsRedirection = NULL;
+        PVOID Wow64RedirectionState;
+        LARGE_INTEGER fvFile, fvHotFixMin;
+
+        h1 = GetModuleHandle("kernel32.dll"); /* no refcount increase */
+        /* 
+         * If we don't find the fnIsWow64Process function then we
+         * are not running in a Wow64 environment
+         */
+        fnIsWow64Process =
+            (LPFN_ISWOW64PROCESS)GetProcAddress(h1, "IsWow64Process");
+
+        memset (&Version, 0x00, sizeof(Version));
+        Version.dwOSVersionInfoSize = sizeof(Version);
+        GetVersionEx((OSVERSIONINFO *) &Version);
+
+        /* 
+         * Support is available as hot fixes / service packs on:
+         *   XP SP2
+         *   XP SP3
+         *   2003 and XP64 SP2
+         *   Vista and 2008 SP2
+         *   Win7 and 2008 R2
+         */
+        if (Version.dwPlatformId == VER_PLATFORM_WIN32_NT &&
+            Version.dwMajorVersion >= 5) {
+
+            /* 32-bit XP */
+            if (Version.dwMajorVersion == 5 &&
+                Version.dwMinorVersion == 1) {
+                
+                fvHotFixMin.HighPart = (5 << 16) | 1;
+
+                switch (Version.wServicePackMajor) {
+                case 3:
+                    fvHotFixMin.LowPart = (2600 << 16) | 5815;
+                    break;
+                case 2:
+                    fvHotFixMin.LowPart = (2600 << 16) | 3572;
+                    break;
+                default:
+                    fSupportsExtendedTimeouts = (Version.wServicePackMajor > 3);
+                    goto checked;
+                }
+            }
+
+            /* 64-bit XP and Server 2003 */
+            else if (Version.dwMajorVersion == 5 &&
+                     Version.dwMinorVersion == 2) {
+                
+                fvHotFixMin.HighPart = (5 << 16) | 2;
+
+                switch (Version.wServicePackMajor) {
+                case 2:
+                    fvHotFixMin.LowPart = (3790 << 16) | 4479;
+                    break;
+                case 1:
+                    fvHotFixMin.LowPart = (3790 << 16) | 3310;
+                    break;
+                default:
+                    fSupportsExtendedTimeouts = (Version.wServicePackMajor > 2);
+                    goto checked;
+                }
+            }
+
+            /* Vista and Server 2008 */
+            else if (Version.dwMajorVersion == 6 &&
+                     Version.dwMinorVersion == 0) {
+                
+                fvHotFixMin.HighPart = (6 << 16) | 0;
+
+                switch (Version.wServicePackMajor) {
+                case 2:
+                    fvHotFixMin.LowPart = (6002 << 16) | 18005;
+                    break;
+                default:
+                    fSupportsExtendedTimeouts = (Version.wServicePackMajor > 2);
+                    goto checked;
+                }
+            }
+
+            /* Windows 7 and Server 2008 R2 and beyond */
+            else if (Version.dwMajorVersion > 6 ||
+                     Version.dwMajorVersion == 6 &&
+                     Version.dwMinorVersion >= 1) {
+                fSupportsExtendedTimeouts = TRUE;
+                goto checked;
+            }
+
+            /* If wow64, disable wow64 redirection and preserve the existing state */
+            if (fnIsWow64Process && 
+                 fnIsWow64Process(GetCurrentProcess(), &isWow64) &&
+                 isWow64) {
+                fnDisableWow64FsRedirection =
+                    (LPFN_DISABLEWOW64FSREDIRECTION)GetProcAddress(h1, "Wow64DisableWow64FsRedirection");
+                fnRevertWow64FsRedirection =
+                    (LPFN_REVERTWOW64FSREDIRECTION)GetProcAddress(h1, "Wow64RevertWow64FsRedirection");
+                fnDisableWow64FsRedirection(&Wow64RedirectionState);
+            }
+            
+            if (cm_GetOSFileVersion("drivers\\mrxsmb.sys", &fvFile) ||
+                (fvFile.QuadPart >= fvHotFixMin.QuadPart))
+                fSupportsExtendedTimeouts = TRUE;
+
+            /* If wow64, restore the previous redirection state */
+            if (fnIsWow64Process && isWow64) {
+                fnRevertWow64FsRedirection(Wow64RedirectionState);
+            }            
+        }
+      checked:
+        fChecked = TRUE;
+    }
+
+    return fSupportsExtendedTimeouts;
+}
+
+void cm_ResetServerPriority()
+{
+    void * p = TlsGetValue(cm_TlsRequestSlot);
+    if (p) {
+       free(p);
+       TlsSetValue(cm_TlsRequestSlot, NULL);
+       SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_NORMAL);
+    }
+}
+
+void cm_SetRequestStartTime()
+{
+    time_t * tp = TlsGetValue(cm_TlsRequestSlot);
+    if (!tp)
+       tp = malloc(sizeof(time_t));
+    if (tp) {
+       *tp = osi_Time();
+
+       if (!TlsSetValue(cm_TlsRequestSlot, tp))
+           free(tp);
+    }  
+}
+
+void cm_UpdateServerPriority()
+{      
+    time_t *tp = TlsGetValue(cm_TlsRequestSlot);
+
+    if (tp) {
+       time_t now = osi_Time();
+
+       /* Give one priority boost for each 15 seconds */
+       SetThreadPriority(GetCurrentThread(), (int)((now - *tp) / 15));
+    }
+}
+
+
+void cm_LargeSearchTimeFromUnixTime(FILETIME *largeTimep, time_t unixTime)
+{
+    // Note that LONGLONG is a 64-bit value
+    LONGLONG ll;
+
+    ll = Int32x32To64(unixTime, 10000000) + 116444736000000000;
+    largeTimep->dwLowDateTime = (DWORD)(ll & 0xFFFFFFFF);
+    largeTimep->dwHighDateTime = (DWORD)(ll >> 32);
+}
+
+void cm_UnixTimeFromLargeSearchTime(time_t *unixTimep, FILETIME *largeTimep)
+{
+    // Note that LONGLONG is a 64-bit value
+    LONGLONG ll;
+
+    ll = largeTimep->dwHighDateTime;
+    ll <<= 32;
+    ll += largeTimep->dwLowDateTime;
+
+    ll -= 116444736000000000;
+    ll /= 10000000;
+
+    *unixTimep = (DWORD)ll;
+}
+
+void cm_SearchTimeFromUnixTime(afs_uint32 *searchTimep, time_t unixTime)
+{
+    struct tm *ltp;
+    int dosDate;
+    int dosTime;
+    struct tm localJunk;
+    time_t t = unixTime;
+
+    ltp = localtime(&t);
+
+    /* if we fail, make up something */
+    if (!ltp) {
+        ltp = &localJunk;
+        localJunk.tm_year = 89 - 20;
+        localJunk.tm_mon = 4;
+        localJunk.tm_mday = 12;
+        localJunk.tm_hour = 0;
+        localJunk.tm_min = 0;
+        localJunk.tm_sec = 0;
+    }  
+
+    dosDate = ((ltp->tm_year-80)<<9) | ((ltp->tm_mon+1) << 5) | (ltp->tm_mday);
+    dosTime = (ltp->tm_hour<<11) | (ltp->tm_min << 5) | (ltp->tm_sec / 2);
+    *searchTimep = (dosDate<<16) | dosTime;
+}      
+
+void cm_UnixTimeFromSearchTime(time_t *unixTimep, afs_uint32 searchTime)
+{
+    unsigned short dosDate;
+    unsigned short dosTime;
+    struct tm localTm;
+        
+    dosDate = (unsigned short) (searchTime & 0xffff);
+    dosTime = (unsigned short) ((searchTime >> 16) & 0xffff);
+
+    localTm.tm_year = 80 + ((dosDate>>9) & 0x3f);
+    localTm.tm_mon = ((dosDate >> 5) & 0xf) - 1;       /* January is 0 in localTm */
+    localTm.tm_mday = (dosDate) & 0x1f;
+    localTm.tm_hour = (dosTime>>11) & 0x1f;
+    localTm.tm_min = (dosTime >> 5) & 0x3f;
+    localTm.tm_sec = (dosTime & 0x1f) * 2;
+    localTm.tm_isdst = -1;                             /* compute whether DST in effect */
+
+    *unixTimep = mktime(&localTm);
+}