Added some screenshots (\o/) and implemented mkdir in userland.

9 files changed, 75 insertions, 5 deletions

diff --git a/Source/Applications/Shell/Shell-fs.ns.cpp b/Source/Applications/Shell/Shell-fs.ns.cpp
index 5e6ae4f..b7e585a 100644
--- a/Source/Applications/Shell/Shell-fs.ns.cpp
+++ b/Source/Applications/Shell/Shell-fs.ns.cpp
@@ -15,8 +15,13 @@ void ls(Vector<String>& args) {
 			d = n;
 	}	
 	if (d.valid()) outvt << "Contents of directory " << d.path() << " :\n";
+	if (!d.valid()) return;
 	for (u32int i = 0; i < d.getLength(); i++) {
 		FSNode n = d.getChild(i);
+		if (!n.valid()) {
+			outvt << " [inacessible file]\n";	//This is a file we are not supposed to be able to read
+			continue;
+		}
 		String perm = "rwxrwxrwx";
 		u32int p = n.getPerm();
 		for (u32int i = 0; i < 9; i++) {
@@ -63,4 +68,13 @@ void rm(Vector<String>& args) {
 	}
 }
 
+void mkdir(Vector<String>& args) {
+	if (args.size() == 1) outvt << "No directory to create.\n";
+	for (u32int i = 1; i < args.size(); i++) {
+		if (!FS::mkdir(args[i], cwd).valid()) {
+			outvt << "Error while creating directory " << args[i] << "\n";
+		}
+	}
+}
+
 }
diff --git a/Source/Applications/Shell/Shell.ns.cpp b/Source/Applications/Shell/Shell.ns.cpp
index 1f8acae..fe8c5f9 100644
--- a/Source/Applications/Shell/Shell.ns.cpp
+++ b/Source/Applications/Shell/Shell.ns.cpp
@@ -15,6 +15,7 @@ u32int run() {
 		{"cd",		cd},
 		{"pwd",		pwd},
 		{"rm",		rm},
+		{"mkdir",	mkdir},
 		{"",		0}
 	};
 
diff --git a/Source/Applications/Shell/Shell.ns.h b/Source/Applications/Shell/Shell.ns.h
index 5cf4509..56fdb46 100644
--- a/Source/Applications/Shell/Shell.ns.h
+++ b/Source/Applications/Shell/Shell.ns.h
@@ -11,4 +11,5 @@ namespace Shell {
 	extern void cd(Vector<String>& args);
 	extern void pwd(Vector<String>& args);
 	extern void rm(Vector<String>& args);
+	extern void mkdir(Vector<String>& args);
 }
diff --git a/Source/Kernel/Ressources/Texts/Info.txt b/Source/Kernel/Ressources/Texts/Info.txt
deleted file mode 100644
index 56016a2..0000000
--- a/Source/Kernel/Ressources/Texts/Info.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-These files were just added here for fun.
-
-Oh, you wanted to know what the wf command meant ?
-Simple : it means Write File. Type 'wf filename' and then enter the
-file's contents, ending with <CR>.<CR>
diff --git a/Source/Kernel/VFS/FSNode-sc.proto.cpp b/Source/Kernel/VFS/FSNode-sc.proto.cpp
index e3f11db..279303b 100644
--- a/Source/Kernel/VFS/FSNode-sc.proto.cpp
+++ b/Source/Kernel/VFS/FSNode-sc.proto.cpp
@@ -31,6 +31,16 @@ u32int FSNode::scall(u8int wat, u32int a, u32int b, u32int c, u32int d) {
 		}
 		if (n != 0) return n->resId();
 	}
+	if (wat == FNIF_SMKDIR) {
+		String* path = (String*)a;
+		FSNode* n;
+		if (b == 0) {
+			n = VFS::mkdir(*path);
+		} else {
+			n = VFS::mkdir(*path, Res::get<DirectoryNode>(b, FNIF_OBJTYPE));
+		}
+		if (n != 0) return n->resId();
+	}
 	return (u32int) - 1;
 }
 
@@ -70,6 +80,7 @@ u32int FSNode::removeSC() {
 }
 
 bool FSNode::readable(User* user) {
+	if (ISROOT) return true;
 	if (user == 0) user = Usr::user();
 	if (user->getUid() == m_uid)
 		return ((m_permissions >> 6) & 4) != 0;
@@ -79,6 +90,7 @@ bool FSNode::readable(User* user) {
 }
 
 bool FSNode::writable(User* user) {
+	if (ISROOT) return true;
 	if (user == 0) user = Usr::user();
 	if (user->getUid() == m_uid)
 		return ((m_permissions >> 6) & 2) != 0;
@@ -88,6 +100,7 @@ bool FSNode::writable(User* user) {
 }
 
 bool FSNode::runnable(User* user) {
+	if (ISROOT) return true;
 	if (user == 0) user = Usr::user();
 	if (user->getUid() == m_uid)
 		return ((m_permissions >> 6) & 1) != 0;
diff --git a/Source/Kernel/VFS/VFS.ns.cpp b/Source/Kernel/VFS/VFS.ns.cpp
index 2333a36..fdfc265 100644
--- a/Source/Kernel/VFS/VFS.ns.cpp
+++ b/Source/Kernel/VFS/VFS.ns.cpp
@@ -103,6 +103,37 @@ FSNode* createDirectory(const String& path, FSNode* start) {
 	}
 }
 
+//Same as createDirectory but checks for parent directory permissions for current process
+FSNode* mkdir(const String& path, FSNode* start) {
+	if (find(path, start) != NULL) return NULL;	//Something already has that name.
+	if (start == 0) start = rootNode;
+
+	Vector<String> p = path.split("/");
+	String name = p.back();
+	p.pop();
+
+	FSNode* node = start;
+	if (!path.empty()) {
+		if (p[0].empty()) node = rootNode;
+		for (u32int i = 0; i < p.size(); i++) {
+			if (p[i] == "..") {
+				node = node->getParent();
+			} else if (!p[i].empty() and p[i] != ".") {
+				if (node->type() == NT_DIRECTORY) {
+					node = ((DirectoryNode*)node)->getChild(p[i]);
+				} else {
+					node = NULL;
+				}
+			}
+			if (node == NULL) return node;
+		}
+	}
+
+	if (node->type() == NT_DIRECTORY)
+		if (node->writable()) return ((DirectoryNode*)node)->createDirectory(name);
+	return NULL;
+}
+
 bool remove(FSNode* node) {
 	FSNode* parent = node->getParent();
 	if (parent == NULL) return false;
diff --git a/Source/Kernel/VFS/VFS.ns.h b/Source/Kernel/VFS/VFS.ns.h
index 72b8c44..63229bf 100644
--- a/Source/Kernel/VFS/VFS.ns.h
+++ b/Source/Kernel/VFS/VFS.ns.h
@@ -15,6 +15,7 @@ namespace VFS {
 	FSNode* find(const String& path, FSNode* start = 0);
 	FSNode* createFile(const String& path, FSNode* start = 0);
 	FSNode* createDirectory(const String& path, FSNode* start = 0);
+	FSNode* mkdir(const String& path, FSNode* start = 0);	//Same as createDirectory, except it checks for parent directory writablilty by current process
 	bool remove(FSNode* node);
 	bool remove(const String& path, FSNode* start = 0);	//Returns false for non-empty directories
 	String path(FSNode* node);	//Returns complete path for a node
diff --git a/Source/Library/Interface/FSNode.iface.h b/Source/Library/Interface/FSNode.iface.h
index 3a5dfad..e6c45d3 100644
--- a/Source/Library/Interface/FSNode.iface.h
+++ b/Source/Library/Interface/FSNode.iface.h
@@ -1,6 +1,14 @@
 #ifndef DEF_FSNODE_IFACE_H
 #define DEF_FSNODE_IFACE_H
 
+/*
+ * The FSNode interface handles all this :
+ * - Navigating in the filesystem
+ * - Listing contents of directories
+ * - Creating/removing/truncating files and directories
+ * - Getting/Setting current working directory (CWD)
+ */
+
 enum {
 	NT_FILE = 1,
 	NT_DIRECTORY = 2,
@@ -14,6 +22,7 @@ enum {
 #define FNIF_SGETRFN 0
 #define FNIF_SGETCWD 1	//Get current working directory
 #define FNIF_SFIND 2	//Find a node following a path from a node
+#define FNIF_SMKDIR 3	//Makes a directory
 
 #define FNIF_GETNAME 0x10
 #define FNIF_TYPE 0x11
diff --git a/Source/Library/Userland/Binding/FSNode.class.h b/Source/Library/Userland/Binding/FSNode.class.h
index 1fdc7ef..6a860ea 100644
--- a/Source/Library/Userland/Binding/FSNode.class.h
+++ b/Source/Library/Userland/Binding/FSNode.class.h
@@ -61,6 +61,11 @@ inline FSNode find(String name, FSNode cwd = FSNode(0)) {
 	return FSNode(RessourceCaller::sCall(FNIF_OBJTYPE, FNIF_SFIND, (u32int)&name, cwd.resId()));
 }
 
+inline FSNode mkdir(String name, FSNode cwd = FSNode(0)) {
+	if (!cwd.valid()) cwd = rootNode();
+	return FSNode(RessourceCaller::sCall(FNIF_OBJTYPE, FNIF_SMKDIR, (u32int)&name, cwd.resId()));
+}
+
 }
 
 #endif