/*
* The actual work.
* Return values: -1 = unknown error, 0 = ok, >0 = error code.
*/
int ChfnProcess::ConverseChfn(const char *pass)
{
int status=-1;
QCString line;
while(1)
{
line = readLine();
if ( line.isEmpty() )
continue;// discard line
if ( line.contains( "Password: "******"password" )*/ )
{
WaitSlave();
write(m_Fd, pass, strlen(pass));
write(m_Fd, "\n", 1);
}
line = readLine(); // Let's see what the outcome was
if ( line.contains( "Changing finger info" ) )
{
// do nothing
}
else if ( line.contains( "information changed" ) )
{
status=0;
break;
}
else if ( line.isEmpty() )
{
status=0;
break;
}
else if ( line.contains( "Password error" ) || line.contains("Incorrect password") )
{
status=PasswordError;
break;
}
else
{
status=MiscError;
m_Error=line;
break;
}
}
return status;
}
int SshProcess::ConverseSsh(const char *password, int check)
{
unsigned i, j, colon;
QCString line;
int state = 0;
while(state < 2)
{
line = readLine();
const uint len = line.length();
if(line.isNull())
return -1;
switch(state)
{
case 0:
// Check for "kdesu_stub" header.
if(line == "kdesu_stub")
{
unreadLine(line);
return 0;
}
// Match "Password: "******"\n", 1);
state++;
break;
}
// Warning/error message.
m_Error += line;
m_Error += "\n";
if(m_bTerminal)
fprintf(stderr, "ssh: %s\n", line.data());
break;
case 1:
if(line.isEmpty())
{
state++;
break;
}
return -1;
}
}
return 0;
}
int PasswdProcess::ConversePasswd(const char *oldpass, const char *newpass, int check)
{
QCString line, errline;
int state = 0;
while(state != 7)
{
line = readLine();
if(line.isNull())
{
return -1;
}
if(state == 0 && isPrompt(line, "new"))
// If root is changing a user's password,
// passwd can't prompt for the original password.
// Therefore, we have to start at state=2.
state = 2;
switch(state)
{
case 0:
// Eat garbage, wait for prompt
m_Error += line + "\n";
if(isPrompt(line, "password"))
{
WaitSlave();
write(m_Fd, oldpass, strlen(oldpass));
write(m_Fd, "\n", 1);
state++;
break;
}
if(m_bTerminal)
fputs(line, stdout);
break;
case 1:
case 3:
case 6:
// Wait for \n
if(line.isEmpty())
{
state++;
break;
}
// error
return -1;
case 2:
m_Error = "";
if(line.contains("again"))
{
m_Error = line;
kill(m_Pid, SIGKILL);
waitForChild();
return PasswordIncorrect;
}
// Wait for second prompt.
errline = line; // use first line for error message
while(!isPrompt(line, "new"))
{
line = readLine();
if(line.isNull())
{
// We didn't get the new prompt so assume incorrect password.
if(m_bTerminal)
fputs(errline, stdout);
m_Error = errline;
return PasswordIncorrect;
}
}
// we have the new prompt
if(check)
{
kill(m_Pid, SIGKILL);
waitForChild();
return 0;
}
WaitSlave();
write(m_Fd, newpass, strlen(newpass));
write(m_Fd, "\n", 1);
state++;
break;
case 4:
// Wait for third prompt
if(isPrompt(line, "re"))
{
WaitSlave();
write(m_Fd, newpass, strlen(newpass));
write(m_Fd, "\n", 1);
state += 2;
break;
}
// Warning or error about the new password
if(m_bTerminal)
fputs(line, stdout);
m_Error = line + "\n";
state++;
break;
case 5:
// Wait for either a "Reenter password" or a "Enter password" prompt
if(isPrompt(line, "re"))
{
WaitSlave();
write(m_Fd, newpass, strlen(newpass));
write(m_Fd, "\n", 1);
state++;
break;
}
else if(isPrompt(line, "password"))
{
kill(m_Pid, SIGKILL);
waitForChild();
return PasswordNotGood;
}
if(m_bTerminal)
fputs(line, stdout);
m_Error += line + "\n";
break;
}
}
// Are we ok or do we still get an error thrown at us?
m_Error = "";
state = 0;
while(state != 1)
{
line = readLine();
if(line.isNull())
{
// No more input... OK
return 0;
}
if(isPrompt(line, "password"))
{
// Uh oh, another prompt. Not good!
kill(m_Pid, SIGKILL);
waitForChild();
return PasswordNotGood;
}
m_Error += line + "\n"; // Collect error message
}
kdDebug(1512) << k_lineinfo << "Conversation ended successfully.\n";
return 0;
}
