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-rw-r--r--source3/lib/util.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/source3/lib/util.c b/source3/lib/util.c
index 42cbc7288f..de366c604f 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -2735,3 +2735,25 @@ int _Insure_trap_error(int a1, int a2, int a3, int a4, int a5, int a6)
return ret;
}
#endif
+
+uint32 map_share_mode_to_deny_mode(uint32 share_access, uint32 private_options)
+{
+ switch (share_access) {
+ case FILE_SHARE_NONE:
+ return DENY_ALL;
+ case FILE_SHARE_READ:
+ return DENY_WRITE;
+ case FILE_SHARE_WRITE:
+ return DENY_READ;
+ case FILE_SHARE_READ|FILE_SHARE_WRITE:
+ case FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE:
+ return DENY_NONE;
+ }
+ if (private_options & NTCREATEX_OPTIONS_PRIVATE_DENY_DOS) {
+ return DENY_DOS;
+ } else if (private_options & NTCREATEX_OPTIONS_PRIVATE_DENY_FCB) {
+ return DENY_FCB;
+ }
+
+ return (uint32)-1;
+}