nfs4: Let stat() retrieve access, change, etc dates

src/add-ons/kernel/file_systems/nfs4/Inode.cpp

@@ -206,7 +206,9 @@ Inode::Stat(struct stat* st)
 
 	req.PutFH(fHandle);
 
-	Attribute attr[] = { FATTR4_SIZE, FATTR4_MODE, FATTR4_NUMLINKS };
+	Attribute attr[] = { FATTR4_SIZE, FATTR4_MODE, FATTR4_NUMLINKS,
+						FATTR4_TIME_ACCESS, FATTR4_TIME_CREATE,
+						FATTR4_TIME_METADATA, FATTR4_TIME_MODIFY };
 	req.GetAttr(attr, sizeof(attr) / sizeof(Attribute));
 
 	status_t result = request.Send();
@@ -272,6 +274,30 @@ Inode::Stat(struct stat* st)
 	} else
 		st->st_nlink = 1;
 
+	if (count >= next && values[next].fAttribute == FATTR4_TIME_ACCESS) {
+		memcpy(&st->st_atim, values[next].fData.fPointer, sizeof(timespec));
+		next++;
+	} else
+		memset(&st->st_atim, 0, sizeof(timespec));
+
+	if (count >= next && values[next].fAttribute == FATTR4_TIME_CREATE) {
+		memcpy(&st->st_crtim, values[next].fData.fPointer, sizeof(timespec));
+		next++;
+	} else
+		memset(&st->st_crtim, 0, sizeof(timespec));
+
+	if (count >= next && values[next].fAttribute == FATTR4_TIME_METADATA) {
+		memcpy(&st->st_ctim, values[next].fData.fPointer, sizeof(timespec));
+		next++;
+	} else
+		memset(&st->st_ctim, 0, sizeof(timespec));
+
+	if (count >= next && values[next].fAttribute == FATTR4_TIME_MODIFY) {
+		memcpy(&st->st_mtim, values[next].fData.fPointer, sizeof(timespec));
+		next++;
+	} else
+		memset(&st->st_mtim, 0, sizeof(timespec));
+
 	st->st_uid = 0;
 	st->st_gid = 0;
 

src/add-ons/kernel/file_systems/nfs4/ReplyInterpreter.cpp

@@ -14,6 +14,20 @@
 #include <util/kernel_cpp.h>
 
 
+AttrValue::AttrValue()
+	:
+	fFreePointer(false)
+{
+}
+
+
+AttrValue::~AttrValue()
+{
+	if (fFreePointer)
+		free(fData.fPointer);
+}
+
+
 DirEntry::DirEntry()
 	:
 	fName(NULL),
@@ -327,6 +341,58 @@ ReplyInterpreter::_DecodeAttrs(XDR::ReadStream& str, AttrValue** attrs,
 		current++;
 	}
 
+	if (sIsAttrSet(FATTR4_TIME_ACCESS, bitmap, bcount)) {
+		values[current].fAttribute = FATTR4_TIME_ACCESS;
+		values[current].fFreePointer = true;
+
+		struct timespec ts;
+		ts.tv_sec = static_cast<time_t>(stream.GetHyper());
+		ts.tv_nsec = static_cast<long>(stream.GetUInt());
+		
+		values[current].fData.fPointer = malloc(sizeof(ts));
+		memcpy(values[current].fData.fPointer, &ts, sizeof(ts));
+		current++;
+	}
+
+	if (sIsAttrSet(FATTR4_TIME_CREATE, bitmap, bcount)) {
+		values[current].fAttribute = FATTR4_TIME_CREATE;
+		values[current].fFreePointer = true;
+
+		struct timespec ts;
+		ts.tv_sec = static_cast<time_t>(stream.GetHyper());
+		ts.tv_nsec = static_cast<long>(stream.GetUInt());
+		
+		values[current].fData.fPointer = malloc(sizeof(ts));
+		memcpy(values[current].fData.fPointer, &ts, sizeof(ts));
+		current++;
+	}
+
+	if (sIsAttrSet(FATTR4_TIME_METADATA, bitmap, bcount)) {
+		values[current].fAttribute = FATTR4_TIME_METADATA;
+		values[current].fFreePointer = true;
+
+		struct timespec ts;
+		ts.tv_sec = static_cast<time_t>(stream.GetHyper());
+		ts.tv_nsec = static_cast<long>(stream.GetUInt());
+		
+		values[current].fData.fPointer = malloc(sizeof(ts));
+		memcpy(values[current].fData.fPointer, &ts, sizeof(ts));
+		current++;
+	}
+
+	if (sIsAttrSet(FATTR4_TIME_MODIFY, bitmap, bcount)) {
+		values[current].fAttribute = FATTR4_TIME_MODIFY;
+		values[current].fFreePointer = true;
+
+		struct timespec ts;
+		ts.tv_sec = static_cast<time_t>(stream.GetHyper());
+		ts.tv_nsec = static_cast<long>(stream.GetUInt());
+		
+		values[current].fData.fPointer = malloc(sizeof(ts));
+		memcpy(values[current].fData.fPointer, &ts, sizeof(ts));
+		current++;
+	}
+
 	delete[] bitmap;
 
 	*count = attr_count;

src/add-ons/kernel/file_systems/nfs4/ReplyInterpreter.h

@@ -16,7 +16,11 @@
 
 
 struct AttrValue {
+			AttrValue();
+			~AttrValue();
+
 	uint8	fAttribute;
+	bool	fFreePointer;
 	union {
 			uint32		fValue32;
 			uint64		fValue64;