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/* getname.c
*
* Kevin P. Smith 09/28/88
* Rewrite by James Cameron, 2008-07-28.
*/
#include "config.h"
#include "copyright2.h"
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <time.h>
#include <string.h>
#include INC_SYS_SELECT
#include "Wlib.h"
#include "defs.h"
#include "struct.h"
#include "data.h"
#include "packets.h"
#include "myf.h"
#include "socket.h"
#include "getname.h"
static char *n_def;
static char n_buf[16];
static char p_buf_a[16];
static char p_buf_b[16];
static int state;
static int automatic;
static char *err = NULL;
static int time_left = 199;
static int time_error_ends;
#define SIZEOF(a) (sizeof (a) / sizeof (*(a)))
#define ST_GETNAME 0 /* asking user for name */
#define ST_TX_GUEST 1 /* asking server for access by guest */
#define ST_RX_GUEST 2
#define ST_TX_NAME 3 /* asking server for access by name */
#define ST_RX_NAME 4
#define ST_GETPASS 5 /* asking user for password after ST_PROBE_NAME */
#define ST_MAKEPASS1 6 /* asking user for a new password */
#define ST_MAKEPASS2 7 /* asking user to confirm password */
#define ST_TX_LOGIN 8 /* asking server for access by name and password */
#define ST_RX_LOGIN 9
#define ST_DONE 10 /* completed */
#define ST_DISCONNECTED 11 /* disconnected */
#define ST_ERROR_PAUSE 12 /* pause for error display */
#define ERROR_PAUSE_SECONDS 3
#define X_L 90 /* X left edge, how far in to begin text writing */
extern void terminate(int error);
static char *asterisks(char *password)
{
static char buf[17];
int len;
strcpy(buf, "****************");
len = strlen(password);
if (len > strlen(buf))
len = strlen(buf);
buf[len] = '\0';
return buf;
}
static void redraw_readme(void)
{
static char *README[] =
{
"-- --",
"",
"netrek-client-cow maintainer: quozl@us.netrek.org",
"bug reports welcome",
"",
"-- --",
};
int i;
for (i=0; i<SIZEOF(README); i++)
myf(X_L, i * W_Textheight + 180, W_Cyan, W_RegularFont, "%s", README[i]);
}
static void redraw_time_left()
{
if (automatic) return;
myf(X_L, 400, W_Grey, W_RegularFont, "Seconds to go: %d ", time_left);
}
static void redraw()
{
char *pad = " ";
if (state == ST_DONE) return;
if (automatic) return;
if (state == ST_DISCONNECTED) {
W_ClearWindow(w);
myf(X_L, TWINSIDE/2, W_Red, W_BoldFont,
"Connection to server lost, press enter to quit.");
return;
}
myf(X_L, 10, W_White, W_RegularFont, "Welcome to Netrek.");
myf(X_L, 20, W_Grey, W_RegularFont, "Connected to server %s.", serverName);
if (state == ST_GETNAME) {
myf(X_L, 50, W_Green, W_RegularFont,
"What is your name? : %s%s", strlen(n_buf) == 0 ? n_def : n_buf, pad);
if (xtrekPort == DEFAULT_PORT) {
myf(X_L, 70, W_Grey, W_RegularFont,
"Use guest if you do not want to have your statistics saved.");
myf(X_L, 90, W_Grey, W_RegularFont,
"Servers keep statistics by name.");
myf(X_L, 100, W_Grey, W_RegularFont,
"This is the name the server will remember you by.");
myf(X_L, 110, W_Grey, W_RegularFont,
"You may want to use an alias, most players do.");
myf(X_L, 120, W_Grey, W_RegularFont,
"If the name is known, the server will ask for your password.");
myf(X_L, 130, W_Grey, W_RegularFont,
"If not an account is created and you get to set a password.");
}
} else if (state == ST_GETPASS) {
myf(X_L, 50, W_Grey, W_RegularFont,
"What is your name? : %s%s", n_buf, pad);
myf(X_L, 60, W_Green, W_RegularFont,
"What is your password? : %s%s", asterisks(p_buf_a), pad);
myc(X_L, 70);
myc(X_L, 90);
myc(X_L, 100);
myc(X_L, 110);
myc(X_L, 120);
myc(X_L, 130);
} else if (state == ST_MAKEPASS1 || state == ST_MAKEPASS2) {
myf(X_L, 50, W_Grey, W_RegularFont,
"What is your name? : %s%s", n_buf, pad);
myc(X_L, 70);
myf(X_L, 70, W_Grey, W_BoldFont,
"Name not known to server, so it will make one.");
myf(X_L, 80, W_Grey, W_RegularFont,
"Think of a password you can remember, and enter it.");
myf(X_L, 90, W_Green, W_RegularFont,
"What is your password? : %s%s", asterisks(p_buf_a), pad);
myc(X_L, 100);
myc(X_L, 110);
myc(X_L, 120);
myc(X_L, 130);
}
if (state == ST_MAKEPASS2) {
myf(X_L, 110, W_Grey, W_BoldFont,
"Enter it again to make sure you typed it right.");
myf(X_L, 120, W_Green, W_RegularFont,
"Your password? : %s%s", asterisks(p_buf_b), pad);
}
// FIXME: focus green highlight shows up still in second password
// prompt, and during errors.
if (err != NULL) {
myf(X_L, 130, W_Red, W_BoldFont, err);
} else {
myc(X_L, 130);
}
switch (state) {
case ST_RX_GUEST:
case ST_RX_NAME:
case ST_RX_LOGIN:
myf(X_L, 140, W_Yellow, W_BoldFont, "(server wait)");
break;
default:
myc(X_L, 140);
}
#ifdef DEBUG
myf(X_L, 150, W_Yellow, W_BoldFont, "client state %d", state);
#endif
redraw_readme();
}
static void error_pause(char *msg)
{
time_error_ends = time_left - ERROR_PAUSE_SECONDS;
err = msg;
state = ST_ERROR_PAUSE;
}
static void automatic_failed()
{
automatic = 0;
*defpasswd = *p_buf_a = *p_buf_b = '\0';
err = "Automatic login failed";
W_WriteText(w, X_L, 130, W_Red, err, strlen(err), W_BoldFont);
}
static void key_to_buffer(char ch, char *str)
{
int strLen;
strLen = strlen(str);
if (ch == 21) {
*str = '\0';
redraw();
} else if (ch == 8 || ch == '\177') {
if (strLen > 0) {
str[strLen - 1] = '\0';
redraw();
}
} else {
if (strLen == 15)
return;
str[strLen + 1] = '\0';
str[strLen] = ch;
redraw();
}
}
static void key(char ch)
{
if (ch == 10) ch = 13;
#ifdef CONTROL_KEY
if ((ch == 4 || ch == ((char) ('d' + 96)) || ch == ((char) ('D' + 96))) && state == ST_GETNAME && *n_buf == '\0')
#else
if (ch == 4 && state == ST_GETNAME && *n_buf == '\0')
#endif
{
terminate(0);
}
if (ch < 32 && ch != 21 && ch != 13 && ch != 8) return;
switch (state) {
case ST_GETNAME:
if (ch == 13) {
err = NULL;
if (*n_buf == '\0')
STRNCPY(n_buf, n_def, sizeof(n_buf));
if (strncmp(n_buf, "Guest", 5) == 0 ||
strncmp(n_buf, "guest", 5) == 0) {
state = ST_TX_GUEST;
} else {
state = ST_TX_NAME;
}
redraw();
} else {
key_to_buffer(ch, n_buf);
}
break;
case ST_GETPASS:
if (ch == 13) {
err = NULL;
state = ST_TX_LOGIN;
redraw();
} else {
key_to_buffer(ch, p_buf_a);
}
break;
case ST_MAKEPASS1:
if (ch == 13) {
err = NULL;
state = ST_MAKEPASS2;
redraw();
} else {
key_to_buffer(ch, p_buf_a);
}
break;
case ST_MAKEPASS2:
if (ch == 13) {
err = NULL;
if (strcmp(p_buf_a, p_buf_b) != 0) {
if (!automatic) {
error_pause("Passwords do not match, starting again!");
} else {
automatic_failed();
state = ST_GETNAME;
}
*n_buf = 0;
} else {
state = ST_TX_LOGIN;
}
redraw();
} else {
key_to_buffer(ch, p_buf_b);
}
break;
case ST_DISCONNECTED:
if (ch == 13) {
terminate(EXIT_LOGIN_FAILURE);
}
/* fall through */
default:
W_Beep();
break;
}
return;
}
static void events()
{
int do_redraw = 0;
char ch;
W_Event event;
while (W_EventsPending()) {
W_NextEvent(&event);
switch (event.type) {
case W_EV_EXPOSE:
if (event.Window == w)
do_redraw = 1;
break;
case W_EV_KEY:
ch = event.key;
if (!automatic) key(ch);
break;
case W_EV_CLOSED:
if (event.Window == baseWin) {
fprintf(stderr, "you quit, by closing the login window\n");
terminate(0);
}
break;
}
}
if (do_redraw) {
redraw();
redraw_time_left();
}
}
static void mystats_init()
{
int j;
MZERO(mystats, sizeof(struct stats));
mystats->st_tticks = 1;
for (j = 0; j < 95; j++) {
mystats->st_keymap[j] = j + 32;
mystats->st_keymap[j + 96] = j + 32 + 96;
#ifdef MOUSE_AS_SHIFT
mystats->st_keymap[j + 192] = j + 32;
mystats->st_keymap[j + 288] = j + 32;
mystats->st_keymap[j + 384] = j + 32;
#endif
}
mystats->st_keymap[95] = 0;
mystats->st_flags = ST_MAPMODE + ST_NAMEMODE + ST_SHOWSHIELDS +
ST_KEEPPEACE + ST_SHOWLOCAL * 2 + ST_SHOWGLOBAL * 2;
}
/* Let person identify themselves from w */
void getname(char *defname, char *defpasswd)
{
char ch;
time_t lasttime;
int j;
struct timeval timeout;
fd_set readfds;
char ppwd[16];
STRNCPY(ppwd, "\0\0\0", 4);
automatic = (*defpasswd && *defname) ? 1 : 0;
n_def = defname;
mystats_init();
lasttime = time(NULL);
if (ghoststart) return;
n_buf[0] = '\0';
p_buf_a[0] = '\0';
p_buf_b[0] = '\0';
state = ST_GETNAME;
redraw();
while (1) {
switch (state) {
case ST_TX_GUEST: /* asking server for access by guest */
loginAccept = -1;
sendLoginReq(n_buf, ppwd, login, 0);
state = ST_RX_GUEST;
redraw();
break;
case ST_TX_NAME: /* asking server for access by name */
loginAccept = -1;
sendLoginReq(n_buf, ppwd, login, 1);
state = ST_RX_NAME;
redraw();
break;
case ST_TX_LOGIN: /* asking server for access by name and password */
loginAccept = -1;
sendLoginReq(n_buf, p_buf_a, login, 0);
state = ST_RX_LOGIN;
redraw();
break;
}
events(0);
if (automatic) {
timeout.tv_sec = 0;
timeout.tv_usec = 1000;
} else {
timeout.tv_sec = 1;
timeout.tv_usec = 0;
}
FD_ZERO(&readfds);
if (!isServerDead()) {
FD_SET(sock, &readfds);
if (udpSock >= 0)
FD_SET(udpSock, &readfds);
}
FD_SET(W_Socket(), &readfds);
if (SELECT(32, &readfds, 0, 0, &timeout) < 0) {
perror("select");
sleep(1);
continue;
}
if (!isServerDead()) {
if (FD_ISSET(sock, &readfds)
|| (udpSock >= 0 && FD_ISSET(udpSock, &readfds)))
readFromServer(&readfds);
}
if (isServerDead()) {
state = ST_DISCONNECTED;
redraw();
}
switch (state) {
case ST_RX_GUEST: /* asking server for access by guest */
if (loginAccept != -1) {
if (loginAccept == 0) {
error_pause("Server refuses guest login, use another name.");
fastGuest = 0;
*n_buf = 0;
} else {
me->p_pos = -1;
me->p_stats.st_tticks = 1; /* prevent overflow */
STRNCPY(me->p_name, n_buf, sizeof(n_buf));
state = ST_DONE;
}
redraw();
}
break;
case ST_RX_NAME: /* asking server for access by name */
if (loginAccept != -1) {
*p_buf_a = *p_buf_b = 0;
if (loginAccept == 0) {
state = ST_MAKEPASS1;
} else {
state = ST_GETPASS;
}
redraw();
}
break;
case ST_RX_LOGIN: /* asking server for access by name and password */
if (loginAccept != -1) {
if (loginAccept == 0) {
if (!automatic) {
error_pause("Bad password!");
} else {
automatic_failed();
state = ST_GETNAME;
}
*n_buf = 0;
} else {
STRNCPY(me->p_name, n_buf, sizeof(n_buf));
keeppeace = (me->p_stats.st_flags / ST_KEEPPEACE) & 1;
state = ST_DONE;
}
redraw();
}
break;
}
if (FD_ISSET(W_Socket(), &readfds))
while (W_EventsQueuedCk()) events(0);
if (time(0) != lasttime) {
lasttime++;
time_left--;
redraw_time_left();
if (time_left == 0) {
me->p_status = PFREE;
printf("Timed Out.\n");
terminate(0);
}
switch (state) {
case ST_ERROR_PAUSE:
if (time_left < time_error_ends) {
state = ST_GETNAME;
W_ClearWindow(w);
err = NULL;
redraw();
}
}
}
if (state == ST_DONE) {
W_ClearWindow(w);
W_ClearWindow(mapw);
return;
}
if (automatic) {
switch (state) {
case ST_GETNAME:
n_buf[0] = '\0';
ch = 13;
j = 0;
key(ch);
break;
case ST_GETPASS:
case ST_MAKEPASS1:
case ST_MAKEPASS2:
ch = defpasswd[j++];
if (ch == '\0') {
j = 0;
ch = 13;
}
key(ch);
break;
}
}
}
}
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