* "Copy /etc/skel" option is now only available when adding a user.

* Documented some more of the source code.

3 files changed, 51 insertions, 16 deletions

diff --git a/noncore/settings/usermanager/passwd.cpp b/noncore/settings/usermanager/passwd.cpp
index 5063661..0a2bfba 100644
--- a/noncore/settings/usermanager/passwd.cpp
+++ b/noncore/settings/usermanager/passwd.cpp
@@ -48,12 +48,13 @@ char *Passwd::crypt_make_salt() {
         result[0] = i64c(((x >> 18) ^ (x >> 6)) & 077);
         result[1] = i64c(((x >> 12) ^ x) & 077);
         result[2] = '\0';
         return result;
 }
 
+//  opens the files /etc/passwd & /etc/group and loads the contents into passwdStringList & groupStringList
 bool Passwd::open() {
         int returnvalue=false;
         
         QFile passwd_file("/etc/passwd");
         QFile group_file("/etc/group");
         passwdStringList.clear();
@@ -73,12 +74,13 @@ bool Passwd::open() {
                 }
                 passwd_file.close();
         }
         return returnvalue;
 }
 
+// Writes back the contents of passwdStringList to /etc/passwd & groupStringList to /etc/group
 bool Passwd::close() {
         int returnvalue=false;
         QFile passwd_file("/etc/passwd");
         QFile group_file("/etc/group");
         if((passwd_file.open(IO_WriteOnly))) {
                 if((group_file.open(IO_WriteOnly))) {
@@ -95,54 +97,60 @@ bool Passwd::close() {
                 }
                 passwd_file.close();
         }
         return returnvalue;
 }
 
+// Splits a "passwd" line into the components and stores them in the pw_* variables.
 void Passwd::splitPasswdEntry(QString &userString) {
         userdataStringList=QStringList::split(":",userString,true);
         QStringList::Iterator it=userdataStringList.begin();
         pw_name=(*it++);
         pw_passwd=(*it++);
         pw_uid=(*it++).toInt();
         pw_gid=(*it++).toInt();
         pw_gecos=(*it++);
         pw_dir=(*it++);
         pw_shell=(*it++);
 }
 
+// Splits a "group" line into the components and stores them in the gr_* variables.
 void Passwd::splitGroupEntry(QString &groupString) {
         groupdataStringList=QStringList::split(":",groupString,true);
         QStringList::Iterator it=groupdataStringList.begin();
         gr_name=(*it++);
         it++;
         gr_gid=(*it++).toInt();
         gr_mem=QStringList::split(" ",(*it++));
 }
 
+// Find a user in the passwdStringList. Return true if found and also fill the pw_* variables.
 bool Passwd::searchUser(QRegExp &userRegExp) {
         QStringList tempStringList(passwdStringList.grep(userRegExp));
         if((tempStringList.isEmpty())) {
                 return false;
         } else {
                 userString=(*(tempStringList.begin()));
                 splitPasswdEntry(userString);
         }
         return true;
 }
 
+// Find a user by login.
 bool Passwd::findUser(const char *username) {
         QRegExp userRegExp(QString("^%1\\:").arg(username));
         return searchUser(userRegExp);
 }
 
+// Find a user by uid.
 bool Passwd::findUser(int uid) {
         QRegExp userRegExp(QString(":%1\\:").arg(uid));
         return searchUser(userRegExp);
 }
 
+// Add a user to the passwdStringList, create home directory, and optionally create a group for the user.
 bool Passwd::addUser(QString pw_name, QString pw_passwd, int pw_uid, int pw_gid, QString pw_gecos,QString pw_dir, QString pw_shell, bool createGroup) {
         QString tempString;
         if((createGroup) && (!(findGroup(pw_gid)))) addGroup(pw_name,pw_gid);
         pw_passwd = crypt(pw_passwd, crypt_make_salt());
         tempString=pw_name+":"+pw_passwd+":"+QString::number(pw_uid)+":"+QString::number(pw_gid)+":"+pw_gecos+":"+pw_dir+":"+pw_shell;
         passwdStringList.append(tempString);
@@ -153,73 +161,82 @@ bool Passwd::addUser(QString pw_name, QString pw_passwd, int pw_uid, int pw_gid,
                 chown(pw_dir,pw_uid,pw_gid);
                 chmod(pw_dir,S_IRUSR|S_IWUSR|S_IXUSR);
         }
         return 1;
 }
 
+// Update info for a user in passwdStringList, take info from the pw_* fields.
 bool Passwd::updateUser(QString login) {
         QRegExp userRegExp(QString("^%1\\:").arg(login));
         for(QStringList::Iterator it=passwdStringList.begin(); it!=passwdStringList.end(); ++it) {
                 if(userRegExp.find((*it),0)!=-1) {
                         *it=QString(pw_name+":"+pw_passwd+":"+QString::number(pw_uid)+":"+QString::number(pw_gid)+":"+pw_gecos+":"+pw_dir+":"+pw_shell);
                         return true;
                 }
         }
         return false;
 }
 
+// Delete a user from passwdStringList.
 bool Passwd::deleteUser(QRegExp &userRegExp, bool delGroup) {
         for(QStringList::Iterator it=passwdStringList.begin(); it!=passwdStringList.end(); ++it) {
                 if(userRegExp.find((*it),0)!=-1) {
                         splitPasswdEntry(*it);
                         if(delGroup) this->delGroup(pw_gid);
                         passwdStringList.remove(it);
                         return true;
                 }
         }
         return false;
 }
 
+// Delete a user by login, and optionally also delete group.
 bool Passwd::delUser(const char *username, bool delGroup) {
         QRegExp userRegExp(QString("^%1\\:").arg(username));
         return deleteUser(userRegExp,delGroup);
 }
 
+// Delete a user by uid, and optionally also delete group.
 bool Passwd::delUser(int uid, bool delGroup) {
         QRegExp userRegExp(QString(":%1\\:").arg(uid));
         return deleteUser(userRegExp,delGroup);
 }
 
+// Locate a group in the groupStringList, fill out the gr_* variables and return "true" if found.
 bool Passwd::searchGroup(QRegExp &groupRegExp) {
         QStringList tempStringList(groupStringList.grep(groupRegExp));
         if((tempStringList.isEmpty())) {
                 return false;
         } else {
                 groupString=(*(tempStringList.begin()));
                 splitGroupEntry(groupString);
         }
         return true;
 }
 
+// Find a group by groupname.
 bool Passwd::findGroup(const char *groupname) {
         QRegExp groupRegExp(QString("^%1\\:").arg(groupname));
         return searchGroup(groupRegExp);
 }
 
+// Find a group by gid.
 bool Passwd::findGroup(int gid) {
         QRegExp groupRegExp(QString(":%1\\:").arg(gid));
         return searchGroup(groupRegExp);
 }
 
+// Add a group to groupStringList
 bool Passwd::addGroup(QString gr_name, int gr_gid) {
         QString tempString;
         tempString=gr_name+":*:"+QString::number(gr_gid)+":";
         groupStringList.append(tempString);
         return 1;
 }
 
+// Update fields for a group in groupStringList, take info from the gr_* variables.
 bool Passwd::updateGroup(int gid) {
         QRegExp groupRegExp(QString(":%1\\:").arg(QString::number(gid)));
         for(QStringList::Iterator it=groupStringList.begin(); it!=groupStringList.end(); ++it) {
                 if(groupRegExp.find((*it),0)!=-1) {
                         *it=QString(gr_name+":*:"+QString::number(gr_gid)+":");
                         for(QStringList::Iterator member=gr_mem.begin(); member!=gr_mem.end(); ++member) {
@@ -229,46 +246,52 @@ bool Passwd::updateGroup(int gid) {
                         return true;
                 }
         }
         return false;
 }
 
+// Delete a group from groupStringList.
 bool Passwd::deleteGroup(QRegExp &groupRegExp) {
         for(QStringList::Iterator it=groupStringList.begin(); it!=groupStringList.end(); ++it) {
                 if(groupRegExp.find((*it),0)!=-1) {
                         groupStringList.remove(it);
                         return true;
                 }
         }
         return false;
 }
 
+// Delete a group by groupname.
 bool Passwd::delGroup(const char *groupname) {
         QRegExp groupRegExp(QString("^%1\\:").arg(groupname));
         return deleteGroup(groupRegExp);
 }
 
+// Delete a group by gid.
 bool Passwd::delGroup(int gid) {
         QRegExp groupRegExp(QString(":%1\\:").arg(gid));
         return deleteGroup(groupRegExp);
 }
 
+// Add a user as a member to a group in groupStringList.
 bool Passwd::addGroupMember(QString groupname, QString member) {
         if(!(findGroup(groupname))) return false;
         gr_mem << member;
         if(!(updateGroup(gr_gid))) return false;
         return true;
 }
 
+// Delete a user as a groupmember from a group in groupStringList.
 bool Passwd::delGroupMember(QString groupname, QString member) {
         if(!(findGroup(groupname))) return false;
         for(QStringList::Iterator it=gr_mem.begin(); it!=gr_mem.end(); ++it) {
                 if(*it==member) {
                         gr_mem.remove(it);
                         it=gr_mem.end();
                 }
         }
         if(!(updateGroup(gr_gid))) return false;
         return true;
 }
 
+// Global Object 
 Passwd *accounts;
diff --git a/noncore/settings/usermanager/userdialog.cpp b/noncore/settings/usermanager/userdialog.cpp
index 36bcf86..c82cc9d 100644
--- a/noncore/settings/usermanager/userdialog.cpp
+++ b/noncore/settings/usermanager/userdialog.cpp
@@ -29,13 +29,14 @@ using namespace Opie;
 
 
 /**
  * UserDialog constructor. Setup the dialog, fill the groupComboBox & groupsListView with all groups.
  *
  */
-UserDialog::UserDialog(QWidget* parent, const char* name, bool modal, WFlags fl) : QDialog(parent, name, modal, fl) {
+UserDialog::UserDialog(int viewmode, QWidget* parent, const char* name, bool modal, WFlags fl) : QDialog(parent, name, modal, fl) {
+        vm=viewmode;
         QVBoxLayout *layout = new QVBoxLayout(this);
         myTabWidget=new QTabWidget(this,"User Tab Widget");
         layout->addWidget(myTabWidget);
         setupTab1();
         setupTab2();
 
@@ -106,19 +107,19 @@ void UserDialog::setupTab1() {
         
         // Primary Group
         QLabel *groupLabel=new QLabel(tabpage,"group");
         groupLabel->setText("Primary group: ");
         groupComboBox=new QComboBox(tabpage,"PrimaryGroup");
 
-        // Copy /etc/skel
-        QLabel *skelLabel=new QLabel(tabpage,"skel");
-        skelLabel->setText("Copy /etc/skel: ");
-        skelCheckBox=new QCheckBox(tabpage);
-        skelCheckBox->setChecked(true);
-        //skelLabel->setDisabled(true);
-        //skelCheckBox->setDisabled(true);
+        if(vm==VIEWMODE_NEW) {
+                // Copy /etc/skel
+                skelLabel=new QLabel(tabpage,"skel");
+                skelLabel->setText("Copy /etc/skel: ");
+                skelCheckBox=new QCheckBox(tabpage);
+                skelCheckBox->setChecked(true);
+        }
         
         // Widget layout
         QHBoxLayout *hlayout=new QHBoxLayout(-1,"hlayout");
         layout->addWidget(picturePushButton);
         layout->addSpacing(5);
         layout->addLayout(hlayout);
@@ -133,28 +134,32 @@ void UserDialog::setupTab1() {
                 vlayout1->addSpacing(5);
                 vlayout1->addWidget(passwordLabel);
                 vlayout1->addSpacing(5);
                 vlayout1->addWidget(shellLabel);
                 vlayout1->addSpacing(5);
                 vlayout1->addWidget(groupLabel);
-                vlayout1->addSpacing(5);
-                vlayout1->addWidget(skelLabel);
+                if(vm==VIEWMODE_NEW) {
+                        vlayout1->addSpacing(5);
+                        vlayout1->addWidget(skelLabel);
+                }
                 // Second column, data
                 vlayout2->addWidget(loginLineEdit);
                 vlayout2->addSpacing(5);
                 vlayout2->addWidget(uidLineEdit);
                 vlayout2->addSpacing(5);
                 vlayout2->addWidget(gecosLineEdit);
                 vlayout2->addSpacing(5);
                 vlayout2->addWidget(passwordLineEdit);
                 vlayout2->addSpacing(5);
                 vlayout2->addWidget(shellComboBox);
                 vlayout2->addSpacing(5);
                 vlayout2->addWidget(groupComboBox);
-                vlayout2->addSpacing(5);
-                vlayout2->addWidget(skelCheckBox);
+                if(vm==VIEWMODE_NEW) {
+                        vlayout2->addSpacing(5);
+                        vlayout2->addWidget(skelCheckBox);
+                }
         hlayout->addLayout(vlayout1);
         hlayout->addLayout(vlayout2);
         
         myTabWidget->addTab(tabpage,"User Info");
 }
 
@@ -193,13 +198,14 @@ void UserDialog::setupTab2() {
  */
 bool UserDialog::addUser(int uid, int gid) {
         QCheckListItem *temp;
         QFile ozTest;
         int oz=false;
         if(ODevice::inst()->system()==System_OpenZaurus) oz=true;
-        UserDialog *adduserDialog=new UserDialog();
+        // viewmode is a workaround for a bug in qte-2.3.4 that gives bus error on manipulating adduserDialog's widgets here.
+        UserDialog *adduserDialog=new UserDialog(VIEWMODE_NEW);
         adduserDialog->setCaption(tr("Add User"));
                 adduserDialog->userID=uid;// Set next available UID as default uid.
                 adduserDialog->groupID=gid;// Set next available GID as default gid.
         // Insert default group into groupComboBox
         adduserDialog->groupComboBox->insertItem("<create new group>",0);
         adduserDialog->uidLineEdit->setText(QString::number(uid));
@@ -295,13 +301,14 @@ bool UserDialog::delUser(const char *username) {
  *
  * @return <code>true</code> if the user was successfully deleted, otherwise <code>false</code>.
  *
  */
 bool UserDialog::editUser(const char *username) {
         int invalid_group=0;
-                UserDialog *edituserDialog=new UserDialog();// Create Dialog
+        // viewmode is a workaround for a bug in qte-2.3.4 that gives bus error on manipulating edituserDialog's widgets here.
+                UserDialog *edituserDialog=new UserDialog(VIEWMODE_EDIT);// Create Dialog
         edituserDialog->setCaption(tr("Edit User"));
                 accounts->findUser(username);// Locate user in database and fill variables in 'accounts' object.
                 if(!(accounts->findGroup(accounts->pw_gid))) {// Locate the user's primary group, and fill group variables in 'accounts' object.
                 invalid_group=1;
         }
         // Fill widgets with userinfo.
diff --git a/noncore/settings/usermanager/userdialog.h b/noncore/settings/usermanager/userdialog.h
index 133b35d..b7b925d 100644
--- a/noncore/settings/usermanager/userdialog.h
+++ b/noncore/settings/usermanager/userdialog.h
@@ -39,22 +39,27 @@ private:
         
         QStringList groupMembers;
         QString pictureLocation;
         QImage userImage;
         int groupID;
         int userID;
-        
+        int vm;
+        enum VIEWMODE {
+                VIEWMODE_NEW,
+                VIEWMODE_EDIT
+        };
+                
         void setupTab1(void);
         void setupTab2(void);
         void accept(void);
 
 private slots:
         void clickedPicture(void);
 
 public:
-        UserDialog( QWidget* parent = 0, const char* name = 0, bool modal=true, WFlags fl = 0 );
+        UserDialog( int viewmode=VIEWMODE_NEW, QWidget* parent = 0, const char* name = 0, bool modal=true, WFlags fl = 0 );
         ~UserDialog();
         static bool addUser(int uid, int gid);
         static bool editUser(const char *username);
         static bool delUser(const char *username);
 };