Introduced PaperWork : our init/login manager.

Login with user=root;pass=admin or user=alexis211;pass=iamgod

20 files changed, 309 insertions, 155 deletions

diff --git a/Source/Applications/PaperWork/Makefile b/Source/Applications/PaperWork/Makefile
new file mode 100644
index 0000000..fe8d564
--- /dev/null
+++ b/Source/Applications/PaperWork/Makefile
@@ -0,0 +1,31 @@
+.PHONY: clean, mrproper
+
+CXX = g++
+CXXFLAGS = -nostartfiles -nostdlib -ffreestanding -fno-exceptions -fno-rtti -I ../../Library/Common -I ../../Library/Interface -I ../../Library/Userland -D THIS_IS_MELON_USERLAND
+
+LD = ld
+LDFLAGS = -T ../../Library/Link.ld -L ../../Library
+
+Objects = main.o
+OutFile = PaperWork
+
+all: $(OutFile)
+	echo "* Done with $(OutFile)."
+
+rebuild: mrproper all
+
+$(OutFile): $(Objects)
+	echo "* Linking $@..."
+	$(LD) $(LDFLAGS) $^ -o $@
+
+%.o: %.cpp
+	echo "* Compiling $<..."
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+clean:
+	echo "* Removing object files..."
+	rm -rf *.o
+
+mrproper: clean
+	echo "* Removing applications..."
+	rm -rf $(OutFile)
diff --git a/Source/Applications/PaperWork/main.cpp b/Source/Applications/PaperWork/main.cpp
new file mode 100644
index 0000000..0ec6512
--- /dev/null
+++ b/Source/Applications/PaperWork/main.cpp
@@ -0,0 +1,52 @@
+#include <Binding/Process.class.h>
+#include <String.class.h>
+
+int main(Vector<String> args) {
+	String act = "init";
+	if (args.size() == 2) {
+		if (args[1] == "login") {
+			act = "login";
+		} else if (args[1] == "init") {
+			act = "init";
+		}
+	}
+
+	if (act == "init") {
+		while (1) {
+			Process p = Process::run("/System/Applications/PaperWork.app");
+			if (p.valid()) {
+				p.setInVT(invt);
+				p.setOutVT(outvt);
+				p.pushArg("login");
+				p.start();
+				p.wait();	
+			} else {
+				return 1;
+			}
+		}
+	} else if (act == "login") {
+		outvt << "Logging in to Melon\n";
+		String user, pw;
+		while (1) {
+			outvt << "Username : ";
+			user = invt.readLine();
+			outvt << "Password : ";
+			pw = invt.readLine(false);
+			if (!Process::get().authenticatePW(user, pw)) {
+				outvt << "Authentication failed.\n\n";
+				continue;
+			}
+			Process p = Process::run("/Applications/Shell/Shell.app");
+			if (p.valid()) {
+				p.setInVT(invt);
+				p.setOutVT(outvt);
+				p.start();
+				p.wait();	
+				outvt << "\n\n";
+			} else {
+				return 1;
+			}
+			return 0;
+		}
+	}
+}
diff --git a/Source/Applications/Shell/Shell-fs.ns.cpp b/Source/Applications/Shell/Shell-fs.ns.cpp
index cd9de8a..0b51299 100644
--- a/Source/Applications/Shell/Shell-fs.ns.cpp
+++ b/Source/Applications/Shell/Shell-fs.ns.cpp
@@ -27,7 +27,7 @@ void ls(Vector<String>& args) {
 		String perm = "rwxrwxrwx";
 		u32int p = n.getPerm();
 		for (u32int i = 0; i < 9; i++) {
-			if (((p >> i) & 1) == 0) perm[9 - i] = "-";
+			if (((p >> i) & 1) == 0) perm[8 - i] = "-";
 		}
 		if (n.type() == NT_FILE) {
 			outvt << " FILE " << perm << " " << n.getName();
diff --git a/Source/Kernel/Core/kmain.wtf.cpp b/Source/Kernel/Core/kmain.wtf.cpp
index 76d8971..62f96d5 100644
--- a/Source/Kernel/Core/kmain.wtf.cpp
+++ b/Source/Kernel/Core/kmain.wtf.cpp
@@ -171,6 +171,7 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
 	asm volatile("sti");
 	Log::log(KL_STATUS, "kmain : Interrupts enabled.");
 
+	/*
 	new KernelShell(cwd);	//No need to save that in a var, it is automatically destroyed anyways
 	Log::log(KL_STATUS, "kmain : Kernel shell launched");
 	//kvt->unmap();
@@ -181,6 +182,21 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
 
 	Log::log(KL_STATUS, "kmain : All kernel shells finished. Halting.");
 	Sys::halt();
+	*/
+
+	Process* p = Process::run("/System/Applications/PaperWork.app", 0);
+	if (p == 0) {
+		PANIC("Could not launch PaperWork !");
+	} else {
+		VirtualTerminal* vt = new ScrollableVT(15, 76, 200, SHELL_FGCOLOR, SHELL_BGCOLOR);
+		Kbd::setFocus(vt);
+		((ScrollableVT*)vt)->map(9);
+		p->setInVT(vt);
+		p->setOutVT(vt);
+		p->start();
+		while (p->getState() != P_FINISHED) Task::currThread()->sleep(100);
+		PANIC("PaperWork finished.");
+	}
 
 	PANIC("END OF KMAIN");
 }
diff --git a/Source/Kernel/Makefile b/Source/Kernel/Makefile
index 301d64c..b7a8bd3 100644
--- a/Source/Kernel/Makefile
+++ b/Source/Kernel/Makefile
@@ -26,6 +26,7 @@ Objects = Core/loader.wtf.o \
 		DeviceManager/Time.ns.o \
 		DeviceManager/Kbd.ns.o \
 		TaskManager/Process.class.o \
+		TaskManager/Process-sc.class.o \
 		TaskManager/Thread.class.o \
 		TaskManager/Task.ns.o \
 		TaskManager/Task.wtf.o \
diff --git a/Source/Kernel/Ressources/Configuration/Users b/Source/Kernel/Ressources/Configuration/Users
index cc98bf5..490bc6b 100644
--- a/Source/Kernel/Ressources/Configuration/Users
+++ b/Source/Kernel/Ressources/Configuration/Users
@@ -1,4 +1,4 @@
 # format is uid:username:maingroup:completename
 
-0:melon:0::The Melon Operating System
-1000:alexis211:1::
+0:melon:0::The Melon Operating System:admin
+1000:alexis211:1::The Creator:iamgod
diff --git a/Source/Kernel/TaskManager/Process-sc.class.cpp b/Source/Kernel/TaskManager/Process-sc.class.cpp
new file mode 100644
index 0000000..5a94c81
--- /dev/null
+++ b/Source/Kernel/TaskManager/Process-sc.class.cpp
@@ -0,0 +1,143 @@
+#include "Process.class.h"
+#include <TaskManager/Task.ns.h>
+#include <Process.iface.h>
+#include <UserManager/Usr.ns.h>
+#include <VirtualTerminal.iface.h>
+#include <SyscallManager/Res.ns.h>
+
+#define ISPARENT Task::currProcess()->getPid() == m_ppid
+
+call_t Process::m_callTable[] = {
+	CALL0(PRIF_EXIT, &Process::exitSC),
+	CALL1(PRIF_ALLOCPAGE, &Process::allocPageSC),
+	CALL1(PRIF_FREEPAGE, &Process::freePageSC),
+	CALL0(PRIF_GETPID, &Process::getPid),
+	CALL0(PRIF_GETPPID, &Process::getPpid),
+	CALL0(PRIF_ARGC, &Process::argcSC),
+	CALL1(PRIF_ARGV, &Process::argvSC),
+	CALL0(PRIF_START, &Process::startSC),
+	CALL1(PRIF_AUTODELETE, &Process::autoDeleteSC),
+	CALL1(PRIF_PUSHARG, &Process::pushArgSC),
+	CALL1(PRIF_SETOUTVT, &Process::setOutVTSC),
+	CALL1(PRIF_SETINVT, &Process::setInVTSC),
+	CALL2(PRIF_AUTHPW, &Process::authPWSC),
+	CALL1(PRIF_AUTHNOPW, &Process::authNoPWSC),
+	CALL0(0, 0)
+};
+
+u32int Process::scall(u8int wat, u32int a, u32int b, u32int c, u32int d) {
+	if (wat == PRIF_SGETCPR) return Task::currProcess()->resId();
+	if (wat == PRIF_SRUN) {
+		String* e = (String*)a;
+		Process* p = Process::run(*e, Usr::uid());
+		if (p != 0) return p->resId();
+	}
+	if (wat == PRIF_SWAIT) {
+		Process* p = Res::get<Process>(a, PRIF_OBJTYPE);
+		if (Task::currProcess()->getPid() != p->m_ppid) return 0;
+		while (p->m_state != P_FINISHED and !p->m_autodelete) Task::currThread()->sleep(20);
+		if (p->m_autodelete) return E_AUTODELETE;
+		s32int ret = p->m_retval;
+		delete p;
+		return ret;
+	}
+	return (u32int) - 1;
+}
+
+u32int Process::exitSC() {
+	if (Task::currProcess() != this) return 1;
+	Task::currentThreadExits(E_EXIT);
+	return 0;
+}
+
+u32int Process::allocPageSC(u32int pos) {
+	if (Task::currProcess() != this) return 1;
+	if ((pos & 0x00000FFF) != 0) pos = (pos & 0xFFFFF000) + 0x1000;
+	if (pos >= 0xC0000000) return 1;
+	m_pagedir->allocFrame(pos, true, true);
+	return 0;
+}
+
+u32int Process::argcSC() {
+	if (Usr::uid() == m_uid or ISROOT or ISPARENT) {
+		return (m_arguments.size());
+	}
+	return (u32int) - 1;
+}
+
+u32int Process::argvSC(u32int idx) {
+	if (idx >= m_arguments.size()) return (u32int) - 1;
+	if (Usr::uid() == m_uid or ISROOT or ISPARENT) {
+		return m_arguments[idx].serialize();
+	}
+	return (u32int) - 1;
+}
+
+u32int Process::freePageSC(u32int pos) {
+	if (Task::currProcess() != this) return 1;
+	if ((pos & 0x00000FFF) != 0) pos = (pos & 0xFFFFF000) + 0x1000;
+	if (pos >= 0xC0000000) return 1;
+	m_pagedir->freeFrame(pos);
+	return 0;
+}
+
+u32int Process::startSC() {
+	if (Task::currProcess()->getPid() == m_ppid) {
+		start();
+		return 1;
+	} 
+	return 0;
+}
+
+u32int Process::autoDeleteSC(u32int d) {
+	if (Task::currProcess()->getPid() != m_ppid) return 2;
+	m_autodelete = (d != 0);
+	return (m_autodelete ? 1 : 0);
+}
+
+u32int Process::pushArgSC(u32int arg) {
+	String* a = (String*)arg;
+	m_arguments.push(*a);
+	return 0;
+}
+
+u32int Process::setInVTSC(u32int vtid) {
+	if (Task::currProcess()->getPid() != m_ppid) return 0;
+	VirtualTerminal* vt = Res::get<VirtualTerminal>(vtid, VTIF_OBJTYPE);
+	if (vt != 0) setInVT(vt);
+	return 1;
+}
+
+u32int Process::setOutVTSC(u32int vtid) {
+	if (Task::currProcess()->getPid() != m_ppid) return 0;
+	VirtualTerminal* vt = Res::get<VirtualTerminal>(vtid, VTIF_OBJTYPE);
+	if (vt != 0) setOutVT(vt);
+	return 1;
+}
+
+u32int Process::authPWSC(u32int user, u32int pw) {
+	if (Task::currProcess() != this) return 0;
+	String* u = (String*)user;
+	String* p = (String*)pw;
+	User* usr = Usr::user(*u);
+	if (usr == 0) return 0;
+	if (usr->vrfyPassword(*p)) {
+		m_uid = usr->getUid();
+		return 1;
+	}
+	return 0;
+}
+
+u32int Process::authNoPWSC(u32int user) {
+	if (Task::currProcess() != this) return 0;
+	if (!ISROOT) return 0;
+	String* u = (String*)user;
+	User* usr = Usr::user(*u);
+	if (usr == 0) return 0;
+	m_uid = usr->getUid();
+	return 1;
+}
+
+bool Process::accessible() {
+	return (m_uid == Usr::uid());
+}
diff --git a/Source/Kernel/TaskManager/Process.class.cpp b/Source/Kernel/TaskManager/Process.class.cpp
index eec28d8..bca5f1c 100644
--- a/Source/Kernel/TaskManager/Process.class.cpp
+++ b/Source/Kernel/TaskManager/Process.class.cpp
@@ -8,47 +8,10 @@
 #include <VirtualTerminal.iface.h>
 #include <SyscallManager/Res.ns.h>
 
-#define ISPARENT Task::currProcess()->getPid() == m_ppid
-
 namespace Mem {
 	extern Heap kheap;
 }
 
-call_t Process::m_callTable[] = {
-	CALL0(PRIF_EXIT, &Process::exitSC),
-	CALL1(PRIF_ALLOCPAGE, &Process::allocPageSC),
-	CALL1(PRIF_FREEPAGE, &Process::freePageSC),
-	CALL0(PRIF_GETPID, &Process::getPid),
-	CALL0(PRIF_GETPPID, &Process::getPpid),
-	CALL0(PRIF_ARGC, &Process::argcSC),
-	CALL1(PRIF_ARGV, &Process::argvSC),
-	CALL0(PRIF_START, &Process::startSC),
-	CALL1(PRIF_AUTODELETE, &Process::autoDeleteSC),
-	CALL1(PRIF_PUSHARG, &Process::pushArgSC),
-	CALL1(PRIF_SETOUTVT, &Process::setOutVTSC),
-	CALL1(PRIF_SETINVT, &Process::setInVTSC),
-	CALL0(0, 0)
-};
-
-u32int Process::scall(u8int wat, u32int a, u32int b, u32int c, u32int d) {
-	if (wat == PRIF_SGETCPR) return Task::currProcess()->resId();
-	if (wat == PRIF_SRUN) {
-		String* e = (String*)a;
-		Process* p = Process::run(*e, Usr::uid());
-		if (p != 0) return p->resId();
-	}
-	if (wat == PRIF_SWAIT) {
-		Process* p = Res::get<Process>(a, PRIF_OBJTYPE);
-		if (Task::currProcess()->getPid() != p->m_ppid) return 0;
-		while (p->m_state != P_FINISHED and !p->m_autodelete) Task::currThread()->sleep(20);
-		if (p->m_autodelete) return E_AUTODELETE;
-		s32int ret = p->m_retval;
-		delete p;
-		return ret;
-	}
-	return (u32int) - 1;
-}
-
 Process::Process() : Ressource(PRIF_OBJTYPE, m_callTable) {	//Private constructor, does nothing
 }
 
@@ -196,79 +159,3 @@ void Process::setInVT(VirtualTerminal* vt) {
 void Process::setOutVT(VirtualTerminal* vt) {
 	m_outVT = vt;
 }
-
-u32int Process::exitSC() {
-	if (Task::currProcess() != this) return 1;
-	Task::currentThreadExits(E_EXIT);
-	return 0;
-}
-
-u32int Process::allocPageSC(u32int pos) {
-	if (Task::currProcess() != this) return 1;
-	if ((pos & 0x00000FFF) != 0) pos = (pos & 0xFFFFF000) + 0x1000;
-	if (pos >= 0xC0000000) return 1;
-	m_pagedir->allocFrame(pos, true, true);
-	return 0;
-}
-
-u32int Process::argcSC() {
-	if (Usr::uid() == m_uid or ISROOT or ISPARENT) {
-		return (m_arguments.size());
-	}
-	return (u32int) - 1;
-}
-
-u32int Process::argvSC(u32int idx) {
-	if (idx >= m_arguments.size()) return (u32int) - 1;
-	if (Usr::uid() == m_uid or ISROOT or ISPARENT) {
-		return m_arguments[idx].serialize();
-	}
-	return (u32int) - 1;
-}
-
-u32int Process::freePageSC(u32int pos) {
-	if (Task::currProcess() != this) return 1;
-	if ((pos & 0x00000FFF) != 0) pos = (pos & 0xFFFFF000) + 0x1000;
-	if (pos >= 0xC0000000) return 1;
-	m_pagedir->freeFrame(pos);
-	return 0;
-}
-
-u32int Process::startSC() {
-	if (Task::currProcess()->getPid() == m_ppid) {
-		start();
-		return 1;
-	} 
-	return 0;
-}
-
-u32int Process::autoDeleteSC(u32int d) {
-	if (Task::currProcess()->getPid() != m_ppid) return 2;
-	m_autodelete = (d != 0);
-	return (m_autodelete ? 1 : 0);
-}
-
-u32int Process::pushArgSC(u32int arg) {
-	String* a = (String*)arg;
-	m_arguments.push(*a);
-	return 0;
-}
-
-u32int Process::setInVTSC(u32int vtid) {
-	if (Task::currProcess()->getPid() != m_ppid) return 0;
-	VirtualTerminal* vt = Res::get<VirtualTerminal>(vtid, VTIF_OBJTYPE);
-	if (vt != 0) setInVT(vt);
-	return 1;
-}
-
-u32int Process::setOutVTSC(u32int vtid) {
-	if (Task::currProcess()->getPid() != m_ppid) return 0;
-	VirtualTerminal* vt = Res::get<VirtualTerminal>(vtid, VTIF_OBJTYPE);
-	if (vt != 0) setOutVT(vt);
-	return 1;
-}
-
-
-bool Process::accessible() {
-	return (m_uid == Usr::uid());
-}
diff --git a/Source/Kernel/TaskManager/Process.class.h b/Source/Kernel/TaskManager/Process.class.h
index 11da57b..053a640 100644
--- a/Source/Kernel/TaskManager/Process.class.h
+++ b/Source/Kernel/TaskManager/Process.class.h
@@ -64,6 +64,8 @@ class Process : public Ressource {
 	u32int pushArgSC(u32int);
 	u32int setOutVTSC(u32int);
 	u32int setInVTSC(u32int);
+	u32int authPWSC(u32int, u32int);
+	u32int authNoPWSC(u32int);
 	bool accessible();
 	
 	public:
diff --git a/Source/Kernel/UserManager/User.class.h b/Source/Kernel/UserManager/User.class.h
index ae02281..9d13ef1 100644
--- a/Source/Kernel/UserManager/User.class.h
+++ b/Source/Kernel/UserManager/User.class.h
@@ -8,13 +8,13 @@ class User {
 	friend void Usr::load();
 
 	private:
-	String m_username, m_completeName;
+	String m_username, m_completeName, m_password;
 	u32int m_uid;
 	Group* m_group;
 	Vector<Group*> m_extraGroups;
 	
-	User(String username, String completeName, Group* group, String extragroups, u32int uid)
-		: m_username(username), m_completeName(completeName), m_uid(uid), m_group(group) {
+	User(String username, String completeName, String password, Group* group, String extragroups, u32int uid)
+		: m_username(username), m_completeName(completeName), m_password(password), m_uid(uid), m_group(group) {
 		Vector<String> eg = extragroups.split(",");
 		for (u32int i = 0; i < eg.size(); i++) {
 			Group* g = Usr::group(eg[i].toInt());
@@ -25,6 +25,7 @@ class User {
 	public:
 	String getUserName() { return m_username; }
 	String getCompleteName() { return m_completeName; }
+	String getPassword() { return m_password; }
 	u32int getUid() { return m_uid; }
 	Group* getGroup() { return m_group; }
 	bool isInGroup(u32int gid) {
@@ -45,6 +46,7 @@ class User {
 			if (m_extraGroups[i] == g) return true;
 		return false;
 	}
+	bool vrfyPassword(String pw) { return pw == m_password; }
 
 	String getGroups() {
 		String ret;
@@ -57,6 +59,7 @@ class User {
 
 	void setUserName(String wat) { m_username = wat; Usr::save(); }
 	void setCompleteName(String wat) { m_completeName = wat; Usr::save(); }
+	void setPassword(String wat) { m_password = wat; Usr::save(); }
 	void setGroup(Group* group) { m_group = group; Usr::save(); }
 	void addGroup(u32int gid) {
 		Group* g = Usr::group(gid);
diff --git a/Source/Kernel/UserManager/Usr.ns.cpp b/Source/Kernel/UserManager/Usr.ns.cpp
index db371ae..ecf9bae 100644
--- a/Source/Kernel/UserManager/Usr.ns.cpp
+++ b/Source/Kernel/UserManager/Usr.ns.cpp
@@ -5,10 +5,11 @@
 #include <SimpleList.class.h>
 #include <TaskManager/Task.ns.h>
 #include <TextFile.class.h>
+#include <VFS/VFS.ns.h>
 
 /*
  * Syntax for Users and Groups configuration files : one entry per line
- * syntax for Users : <uid>:<username>:<basegroup>:<extragroup>,<extragroup>:<completename>
+ * syntax for Users : <uid>:<username>:<basegroup>:<extragroup>,<extragroup>:<completename>:<password>
  * syntax for Groups : <gid>:<name>
  */
 
@@ -22,6 +23,8 @@ void load() {
 	if (m_groups != 0) delete m_groups;
 	m_users = 0, m_groups = 0;
 
+	if (VFS::find("/System/Configuration/Groups")) VFS::find("/System/Configuration/Groups")->setPermissions(0600);
+	if (VFS::find("/System/Configuration/Users")) VFS::find("/System/Configuration/Users")->setPermissions(0600);
 	TextFile groups("/System/Configuration/Groups", FM_READ);
 	while (!groups.eof()) {
 		String s = groups.readLine();
@@ -38,13 +41,14 @@ void load() {
 	TextFile users("/System/Configuration/Users", FM_READ);
 	while (!users.eof()) {
 		String s = users.readLine();
+		if (s == "" or s[0] == WChar("#")) continue;
 		Vector<String> data = s.split(":");
-		if (data.size() == 5 and !(s[0] == WChar("#"))) {
-			m_users = m_users->cons(User(data[1], data[4], group(data[2].toInt()), data[3], data[0].toInt()));
+		if (data.size() == 6) {
+			m_users = m_users->cons(User(data[1], data[4], data[5], group(data[2].toInt()), data[3], data[0].toInt()));
 		}
 	}
 	if (m_users == 0) {
-		m_users = m_users->cons(User("melon", "MelOS", group(0), "", 0));
+		m_users = m_users->cons(User("melon", "MelOS", "", group(0), "", 0));
 		Log::log(KL_WARNING, "Usr.ns : users file invalid, had to add default users.");
 	}
 }
@@ -58,7 +62,8 @@ void save() {
 	for (SimpleList<User> *iter = m_users; iter != 0; iter = iter->next()) {
 		users.write(String::number(iter->v().getUid()) + ":" + iter->v().getUserName() + ":"
 				+ String::number(iter->v().getGroup()->getGid()) + ":" 
-				+ iter->v().getGroups() + ":" + iter->v().getCompleteName(), true);
+				+ iter->v().getGroups() + ":" + iter->v().getCompleteName() + ":" +
+				iter->v().getPassword(), true);
 	}
 }
 
diff --git a/Source/Kernel/VTManager/VirtualTerminal-sc.proto.cpp b/Source/Kernel/VTManager/VirtualTerminal-sc.proto.cpp
index 0a4e14b..5506c74 100644
--- a/Source/Kernel/VTManager/VirtualTerminal-sc.proto.cpp
+++ b/Source/Kernel/VTManager/VirtualTerminal-sc.proto.cpp
@@ -1,4 +1,25 @@
 #include "VirtualTerminal.proto.h"
+#include <VirtualTerminal.iface.h>
+#include <TaskManager/Task.ns.h>
+
+call_t VirtualTerminal::m_callTable[] = {
+	CALL1(VTIF_WRITEHEX, &VirtualTerminal::writeHexSC),
+	CALL2(VTIF_WRITEDEC, &VirtualTerminal::writeDecSC),
+	CALL1(VTIF_WRITE, &VirtualTerminal::writeSC),
+	CALL1(VTIF_PUT, &VirtualTerminal::putSC),
+	CALL1(VTIF_READLINE, &VirtualTerminal::readLineSC),
+	CALL1(VTIF_SETCOLOR, &VirtualTerminal::setColorSC),
+	CALL1(VTIF_SETCSRLINE, &VirtualTerminal::setCursorLineSC),
+	CALL1(VTIF_SETCSRCOL, &VirtualTerminal::setCursorColSC),
+	CALL0(VTIF_ISBOXED, &VirtualTerminal::isBoxedSC),
+	CALL0(0, 0)
+};
+
+u32int VirtualTerminal::scall(u8int wat, u32int a, u32int b, u32int c, u32int d) {
+	if (wat == VTIF_SGETPRINVT) return Task::currProcess()->getInVT()->resId();
+	if (wat == VTIF_SGETPROUTVT) return Task::currProcess()->getOutVT()->resId();
+	return (u32int) - 1;
+}
 
 u32int VirtualTerminal::writeHexSC(u32int number) {
 	writeHex(number);
@@ -22,8 +43,8 @@ u32int VirtualTerminal::putSC(u32int code) {
 	return 0;
 }
 
-u32int VirtualTerminal::readLineSC() {
-	return readLine().serialize();
+u32int VirtualTerminal::readLineSC(u32int show) {
+	return readLine(show != 0).serialize();
 }
 
 u32int VirtualTerminal::setColorSC(u32int x) {
diff --git a/Source/Kernel/VTManager/VirtualTerminal.proto.cpp b/Source/Kernel/VTManager/VirtualTerminal.proto.cpp
index 2587369..0079707 100644
--- a/Source/Kernel/VTManager/VirtualTerminal.proto.cpp
+++ b/Source/Kernel/VTManager/VirtualTerminal.proto.cpp
@@ -5,25 +5,6 @@
 
 #include <VirtualTerminal.iface.h>
 
-call_t VirtualTerminal::m_callTable[] = {
-	CALL1(VTIF_WRITEHEX, &VirtualTerminal::writeHexSC),
-	CALL2(VTIF_WRITEDEC, &VirtualTerminal::writeDecSC),
-	CALL1(VTIF_WRITE, &VirtualTerminal::writeSC),
-	CALL1(VTIF_PUT, &VirtualTerminal::putSC),
-	CALL0(VTIF_READLINE, &VirtualTerminal::readLineSC),
-	CALL1(VTIF_SETCOLOR, &VirtualTerminal::setColorSC),
-	CALL1(VTIF_SETCSRLINE, &VirtualTerminal::setCursorLineSC),
-	CALL1(VTIF_SETCSRCOL, &VirtualTerminal::setCursorColSC),
-	CALL0(VTIF_ISBOXED, &VirtualTerminal::isBoxedSC),
-	CALL0(0, 0)
-};
-
-u32int VirtualTerminal::scall(u8int wat, u32int a, u32int b, u32int c, u32int d) {
-	if (wat == VTIF_SGETPRINVT) return Task::currProcess()->getInVT()->resId();
-	if (wat == VTIF_SGETPROUTVT) return Task::currProcess()->getOutVT()->resId();
-	return (u32int) - 1;
-}
-
 VirtualTerminal::VirtualTerminal() : 
 	Ressource(VTIF_OBJTYPE, m_callTable), m_kbdMutex(false), m_kbdbuffMutex(false), m_kbdbuff() {
 }
diff --git a/Source/Kernel/VTManager/VirtualTerminal.proto.h b/Source/Kernel/VTManager/VirtualTerminal.proto.h
index 90fa88e..9c138ec 100644
--- a/Source/Kernel/VTManager/VirtualTerminal.proto.h
+++ b/Source/Kernel/VTManager/VirtualTerminal.proto.h
@@ -25,7 +25,7 @@ class VirtualTerminal : public Ressource {
 	u32int writeDecSC(u32int, u32int);
 	u32int writeSC(u32int);
 	u32int putSC(u32int);
-	u32int readLineSC();
+	u32int readLineSC(u32int);
 	u32int setColorSC(u32int);
 	u32int setCursorLineSC(u32int);
 	u32int setCursorColSC(u32int);
diff --git a/Source/Library/Interface/Process.iface.h b/Source/Library/Interface/Process.iface.h
index 0152947..cdd6e47 100644
--- a/Source/Library/Interface/Process.iface.h
+++ b/Source/Library/Interface/Process.iface.h
@@ -25,4 +25,8 @@
 #define PRIF_SETOUTVT 0x29
 #define PRIF_SETINVT 0x30
 
+//Authenticate with password/without password (being in group root)
+#define PRIF_AUTHPW 0x40
+#define PRIF_AUTHNOPW 0x41
+
 #endif
diff --git a/Source/Library/Userland/Binding/Process.class.h b/Source/Library/Userland/Binding/Process.class.h
index a3fc569..948d670 100644
--- a/Source/Library/Userland/Binding/Process.class.h
+++ b/Source/Library/Userland/Binding/Process.class.h
@@ -57,6 +57,12 @@ class Process : public RessourceCaller {
 	void setOutVT(VirtualTerminal vt) {
 		doCall(PRIF_SETOUTVT, vt.resId());
 	}
+	bool authenticatePW(String user, String pw) {
+		return (doCall(PRIF_AUTHPW, (u32int)&user, (u32int)&pw) == 1);
+	}
+	bool authenticateNoPW(String user) {
+		return (doCall(PRIF_AUTHNOPW, (u32int)&user) == 1);
+	}
 };
 
 #endif
diff --git a/Source/Library/Userland/Binding/VirtualTerminal.class.h b/Source/Library/Userland/Binding/VirtualTerminal.class.h
index 1bfce85..5fd9733 100644
--- a/Source/Library/Userland/Binding/VirtualTerminal.class.h
+++ b/Source/Library/Userland/Binding/VirtualTerminal.class.h
@@ -29,8 +29,8 @@ class VirtualTerminal : public RessourceCaller {
 	void write(String s) {
 		doCall(VTIF_WRITE, (u32int)&s);
 	}
-	String readLine() {
-		return String::unserialize(doCall(VTIF_READLINE));
+	String readLine(bool show = true) {
+		return String::unserialize(doCall(VTIF_READLINE, (show ? 1 : 0)));
 	}
 	void setColor(u8int fg, u8int bg = 0xFF) {
 		doCall(VTIF_SETCOLOR, (fg << 8) | bg);
diff --git a/Source/Library/Userland/Start.cpp b/Source/Library/Userland/Start.cpp
index 4c5c559..032450d 100644
--- a/Source/Library/Userland/Start.cpp
+++ b/Source/Library/Userland/Start.cpp
@@ -16,10 +16,6 @@ VirtualTerminal invt(0), outvt(0);
 
 int main(const Vector<String>& args);
 
-void doExit(u32int v) {
-	asm volatile("int $66" : : "a"(v));
-}
-
 extern "C" void start() {
 	//Call static constructors
 	u32int i = 0;
@@ -29,8 +25,8 @@ extern "C" void start() {
 
 	heap.create(0x40000000, 0x00040000, 0x00004000);	//Initially create a 256ko heap with 16ko index
 	invt = VirtualTerminal::getIn(); outvt = VirtualTerminal::getOut();
-	if (!invt.valid()) doExit(1);
-	if (!outvt.valid()) doExit(2);
+	if (!invt.valid()) threadFinishedSyscall(1);
+	if (!outvt.valid()) threadFinishedSyscall(2);
 
 	u32int argc = Process::get().argc();
 	Vector<String> args(argc);
@@ -43,7 +39,7 @@ extern "C" void start() {
         ((void (*)(void))*call)();
     }
 
-	doExit(r);
+	threadFinishedSyscall(r);
 }
 
 namespace Mem {
diff --git a/Source/Library/Userland/Syscall/Syscall.wtf.cpp b/Source/Library/Userland/Syscall/Syscall.wtf.cpp
index a28c202..b8d9526 100644
--- a/Source/Library/Userland/Syscall/Syscall.wtf.cpp
+++ b/Source/Library/Userland/Syscall/Syscall.wtf.cpp
@@ -7,6 +7,10 @@ u32int syscall(u32int n, u32int a, u32int b, u32int c, u32int d, u32int e) {
 	return r;
 }
 
+void threadFinishedSyscall(u32int v) {
+	asm volatile("int $66" : : "a"(v));
+}
+
 void putch(char c) {
 	u32int x = c;
 	syscall(0xFFFFFF01, x);
diff --git a/Source/Library/Userland/Syscall/Syscall.wtf.h b/Source/Library/Userland/Syscall/Syscall.wtf.h
index 0401a89..5234579 100644
--- a/Source/Library/Userland/Syscall/Syscall.wtf.h
+++ b/Source/Library/Userland/Syscall/Syscall.wtf.h
@@ -8,6 +8,8 @@ void putch(char);
 void sleep(u32int);
 void write_hex(u32int);
 
+void threadFinishedSyscall(u32int);
+
 u32int syscall(u32int n, u32int a, u32int b = 0, u32int c = 0, u32int d = 0, u32int e = 0);
 
 #endif