windows-dot-dir-part-two-20060906
[openafs.git] / src / WINNT / afsd / cm_vnodeops.c
index 4af4907..ee8127c 100644 (file)
 #include <afs/param.h>
 #include <afs/stds.h>
 
-#ifndef DJGPP
 #include <windows.h>
 #include <winsock2.h>
-#endif /* !DJGPP */
 #include <stddef.h>
 #include <malloc.h>
 #include <string.h>
@@ -664,10 +662,10 @@ long cm_ApplyDir(cm_scache_t *scp, cm_DirFuncp_t funcp, void *parmp,
             }
 
 #ifdef AFSIFS
-                       /* for the IFS version, we bulkstat the dirents because this
-                          routine is used in place of smb_ReceiveCoreSearchDir.  our
-                          other option is to modify smb_ReceiveCoreSearchDir itself, 
-                          but this seems to be the proper use for cm_ApplyDir. */
+           /* for the IFS version, we bulkstat the dirents because this
+              routine is used in place of smb_ReceiveCoreSearchDir.  our
+              other option is to modify smb_ReceiveCoreSearchDir itself, 
+              but this seems to be the proper use for cm_ApplyDir. */
             lock_ObtainMutex(&scp->mx);
             if ((scp->flags & CM_SCACHEFLAG_BULKSTATTING) == 0
                  && (scp->bulkStatProgress.QuadPart <= thyper.QuadPart))
@@ -1094,6 +1092,9 @@ long cm_LookupInternal(cm_scache_t *dscp, char *namep, long flags, cm_user_t *us
             return CM_ERROR_NOSUCHVOLUME;
         rock.fid = dscp->dotdotFid;
         goto haveFid;
+    } else if (strcmp(namep, ".") == 0) {
+       rock.fid = dscp->fid;
+       goto haveFid;
     }
 
     memset(&rock, 0, sizeof(rock));
@@ -1256,7 +1257,7 @@ long cm_Lookup(cm_scache_t *dscp, char *namep, long flags, cm_user_t *userp,
     long code;
     char tname[256];
     int sysNameIndex = 0;
-    cm_scache_t *scp = 0;
+    cm_scache_t *scp = NULL;
 
     if ( stricmp(namep,SMB_IOCTL_FILENAME_NOSLASH) == 0 ) {
         if (flags & CM_FLAG_CHECKPATH)
@@ -1275,7 +1276,7 @@ long cm_Lookup(cm_scache_t *dscp, char *namep, long flags, cm_user_t *userp,
             }
             if (scp) {
                 cm_ReleaseSCache(scp);
-                scp = 0;
+                scp = NULL;
             }
         } else {
             return cm_LookupInternal(dscp, namep, flags, userp, reqp, outpScpp);
@@ -1543,7 +1544,7 @@ long cm_NameI(cm_scache_t *rootSCachep, char *pathp, long flags,
     tscp = rootSCachep;
     cm_HoldSCache(tscp);
     symlinkCount = 0;
-    dirScp = 0;
+    dirScp = NULL;
 
     while (1) {
         tc = *tp++;
@@ -1578,34 +1579,42 @@ long cm_NameI(cm_scache_t *rootSCachep, char *pathp, long flags,
                  * is a symlink, we have more to do.
                  */
                 *cp++ = 0;     /* add null termination */
-                extraFlag = 0;
-                if ((flags & CM_FLAG_DIRSEARCH) && tc == 0)
-                    extraFlag = CM_FLAG_NOMOUNTCHASE;
-                code = cm_Lookup(tscp, component,
-                                  flags | extraFlag,
-                                  userp, reqp, &nscp);
-                if (code) {
-                    cm_ReleaseSCache(tscp);
-                    if (dirScp)
+               if (!strcmp(".",component)) {
+                    code = 0;
+                    if (dirScp) {
                         cm_ReleaseSCache(dirScp);
-                    if (psp) 
-                        cm_FreeSpace(psp);
-                    if (code == CM_ERROR_NOSUCHFILE && tscp->fileType == CM_SCACHETYPE_SYMLINK)
-                        return CM_ERROR_NOSUCHPATH;
-                    else
-                        return code;
-                }
-                haveComponent = 0;     /* component done */
-                if (dirScp)
-                    cm_ReleaseSCache(dirScp);
-                dirScp = tscp;         /* for some symlinks */
-                tscp = nscp;           /* already held */
-                nscp = 0;
-                if (tc == 0 && !(flags & CM_FLAG_FOLLOW) && phase == 2) {
+                        dirScp = NULL;
+                    }
+                    break;
+               }
+               extraFlag = 0;
+               if ((flags & CM_FLAG_DIRSEARCH) && tc == 0)
+                   extraFlag = CM_FLAG_NOMOUNTCHASE;
+               code = cm_Lookup(tscp, component,
+                                 flags | extraFlag,
+                                 userp, reqp, &nscp);
+               if (code) {
+                   cm_ReleaseSCache(tscp);
+                   if (dirScp)
+                       cm_ReleaseSCache(dirScp);
+                   if (psp) 
+                       cm_FreeSpace(psp);
+                   if (code == CM_ERROR_NOSUCHFILE && tscp->fileType == CM_SCACHETYPE_SYMLINK)
+                       return CM_ERROR_NOSUCHPATH;
+                   else
+                       return code;
+               }       
+               haveComponent = 0;      /* component done */
+               if (dirScp)
+                   cm_ReleaseSCache(dirScp);
+               dirScp = tscp;          /* for some symlinks */
+               tscp = nscp;            /* already held */
+               nscp = NULL;
+               if (tc == 0 && !(flags & CM_FLAG_FOLLOW) && phase == 2) {
                     code = 0;
                     if (dirScp) {
                         cm_ReleaseSCache(dirScp);
-                        dirScp = 0;
+                        dirScp = NULL;
                     }
                     break;
                 }
@@ -1620,10 +1629,10 @@ long cm_NameI(cm_scache_t *rootSCachep, char *pathp, long flags,
                 if (code) {
                     lock_ReleaseMutex(&tscp->mx);
                     cm_ReleaseSCache(tscp);
-                    tscp = 0;
+                    tscp = NULL;
                     if (dirScp) {
                         cm_ReleaseSCache(dirScp);
-                        dirScp = 0;
+                        dirScp = NULL;
                     }
                     break;
                 }
@@ -1632,10 +1641,10 @@ long cm_NameI(cm_scache_t *rootSCachep, char *pathp, long flags,
                     lock_ReleaseMutex(&tscp->mx);
                     if (symlinkCount++ >= MAX_SYMLINK_COUNT) {
                         cm_ReleaseSCache(tscp);
-                        tscp = 0;
+                        tscp = NULL;
                         if (dirScp) {
                             cm_ReleaseSCache(dirScp);
-                            dirScp = 0;
+                            dirScp = NULL;
                         }
                         if (psp) 
                             cm_FreeSpace(psp);
@@ -1649,10 +1658,10 @@ long cm_NameI(cm_scache_t *rootSCachep, char *pathp, long flags,
                     if (code) {
                         /* something went wrong */
                         cm_ReleaseSCache(tscp);
-                        tscp = 0;
+                        tscp = NULL;
                         if (dirScp) {
                             cm_ReleaseSCache(dirScp);
-                            dirScp = 0;
+                            dirScp = NULL;
                         }
                         break;
                     }
@@ -1671,7 +1680,7 @@ long cm_NameI(cm_scache_t *rootSCachep, char *pathp, long flags,
                     tp = psp->data;
                     cm_ReleaseSCache(tscp);
                     tscp = linkScp;
-                    linkScp = 0;
+                    linkScp = NULL;
                     /* already held
                      * by AssembleLink
                      * now, if linkScp is null, that's
@@ -1684,7 +1693,7 @@ long cm_NameI(cm_scache_t *rootSCachep, char *pathp, long flags,
                      */
                     if (tscp == NULL) {
                         tscp = dirScp;
-                        dirScp = 0;
+                        dirScp = NULL;
                     }
                 } else {
                     /* not a symlink, we may be done */
@@ -1697,7 +1706,7 @@ long cm_NameI(cm_scache_t *rootSCachep, char *pathp, long flags,
                         }
                         if (dirScp) {
                             cm_ReleaseSCache(dirScp);
-                            dirScp = 0;
+                            dirScp = NULL;
                         }
                         code = 0;
                         break;
@@ -1705,7 +1714,7 @@ long cm_NameI(cm_scache_t *rootSCachep, char *pathp, long flags,
                 }
                 if (dirScp) {
                     cm_ReleaseSCache(dirScp);
-                    dirScp = 0;
+                    dirScp = NULL;
                 }
             } /* end of a component */
             else 
@@ -1840,7 +1849,7 @@ long cm_TryBulkProc(cm_scache_t *scp, cm_dirEntry_t *dep, void *rockp,
     if (tscp) {
         if (lock_TryMutex(&tscp->mx)) {
             /* we have an entry that we can look at */
-            if (cm_HaveCallback(tscp)) {
+            if (!(tscp->flags & CM_SCACHEFLAG_EACCESS) && cm_HaveCallback(tscp)) {
                 /* we have a callback on it.  Don't bother
                  * fetching this stat entry, since we're happy
                  * with the info we have.
@@ -1999,7 +2008,7 @@ cm_TryBulkStat(cm_scache_t *dscp, osi_hyper_t *offsetp, cm_user_t *userp,
              * Right now, be pretty conservative: if there's a
              * callback or a pending call, skip it.
              */
-            if (scp->cbServerp == NULL
+            if ((scp->cbServerp == NULL || (scp->flags & CM_SCACHEFLAG_EACCESS))
                  && !(scp->flags &
                        (CM_SCACHEFLAG_FETCHING
                          | CM_SCACHEFLAG_STORING