Started working on user managment

1 files changed, 95 insertions, 0 deletions

diff --git a/Source/Kernel/UserManager/Usr.ns.cpp b/Source/Kernel/UserManager/Usr.ns.cpp
new file mode 100644
index 0000000..a551344
--- /dev/null
+++ b/Source/Kernel/UserManager/Usr.ns.cpp
@@ -0,0 +1,95 @@
+#include "Usr.ns.h"
+
+#include <UserManager/User.class.h>
+#include <SimpleList.class.h>
+#include <TaskManager/Task.ns.h>
+#include <VFS/TextFile.class.h>
+
+/*
+ * Syntax for Users and Groups configuration files : one entry per line
+ * syntax for Users : <uid>:<username>:<basegroup>:<extragroup>,<extragroup>:<completename>
+ * syntax for Groups : <gid>:<name>
+ */
+
+namespace Usr {
+
+SimpleList <User> *m_users = 0;
+SimpleList <Group> *m_groups = 0;
+
+void load() {
+	if (m_users != 0) delete m_users;
+	if (m_groups != 0) delete m_groups;
+	m_users = 0, m_groups = 0;
+
+	TextFile groups("/System/Configuration/Groups", FM_READ);
+	while (!groups.eof()) {
+		String s = groups.readLine();
+		Vector<String> data = s.split(":");
+		if (data.size() == 2 and !(s[0] == WChar("#"))) {
+			m_groups = m_groups->cons(Group(data[1], data[0].toInt()));
+		}
+	}
+
+	TextFile users("/System/Configuration/Users", FM_READ);
+	while (!users.eof()) {
+		String s = users.readLine();
+		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()));
+		}
+	}
+}
+
+void save() {
+	TextFile groups("/System/Configuration/Groups", FM_TRUNCATE);
+	for (SimpleList<Group> *iter = m_groups; iter != 0; iter = iter->next()) {
+		groups.write(String::number(iter->v().getGid()) + ":" + iter->v().getName(), true);
+	}
+	TextFile users("/System/Configuration/Users", FM_TRUNCATE);
+	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);
+	}
+}
+
+u32int uid() {
+	return Task::currProcess()->getUid();
+}
+
+User* user(u32int uid) {
+	for (SimpleList<User> *iter = m_users; iter != 0; iter = iter->next()) {
+		if (iter->v().getUid() == uid) return &iter->v();
+	}
+	return 0;
+}
+
+User* user(String username) {
+	for (SimpleList<User> *iter = m_users; iter != 0; iter = iter->next()) {
+		if (iter->v().getUserName() == username) return &iter->v();
+	}
+	return 0;
+}
+
+User* user() { return user(uid()); }
+
+Group* group(u32int gid) {
+	for (SimpleList<Group> *iter = m_groups; iter != 0; iter = iter->next()) {
+		if (iter->v().getGid() == gid) return &iter->v();
+	}
+	return 0;
+}
+
+Group* group(String name) {
+	for (SimpleList<Group> *iter = m_groups; iter != 0; iter = iter->next()) {
+		if (iter->v().getName() == name) return &iter->v();
+	}
+	return 0;
+}
+
+u32int uid(String username) {
+	User* x = user(username);
+	return (x != 0 ? x->getUid() : (u32int) - 1);
+}
+
+};