/**
* Manages the messages submission.
* \return True in case of success, false instead.
* [PSR]
*/
int answer() {
PLAYER *pp;
int newsock;
static unsigned long mode; /* Changed from u_long. [PSR] */
static char name[NAMELEN];
static char team;
static int enter_status;
static unsigned int socklen; /* Edited from static int in order to match accept() parameter. [PSR] */
static unsigned long machine; /* Edited from u_long in order to match accept() parameter. [PSR] */
static u_int32_t uid;
static SOCKET sockstruct;
char *cp1, *cp2;
int flags;
u_int32_t version;
int i;
# ifdef INTERNET
socklen = sizeof sockstruct;
# else
socklen = sizeof sockstruct - 1;
# endif
errno = 0;
newsock = accept(main_socket, (struct sockaddr *) &sockstruct, &socklen);
if (newsock < 0) {
if (errno == EINTR) {
return false;
}
# ifdef LOG
iso_syslog(LOG_ERR, "accept: %m");
# else
perror("accept");
# endif
cleanup(1);
}
# ifdef INTERNET
machine = ntohl(((struct sockaddr_in *) &sockstruct)->sin_addr.s_addr);
# else
if (machine == 0) {
machine = gethostid();
}
# endif
version = htonl((u_int32_t) HUNT_VERSION);
write_and_push(newsock, (char *) &version, LONGLEN);
/* Authentication. [PSR] */
#ifdef INTERNET
if(password_hash!=NULL) { /* A password has been set. [PSR] */
write_and_push(newsock, &c_auth, SHORTLEN);
bool auth = false;
for(i=0; i<MAXATTEMPT && !auth; i++) { /* 3 password attempts. [PSR] */
safe_read(newsock, &client_psw, (13 + 1) * sizeof(char));
if(strcmp(client_psw, password_hash)!=0) { /* Authentication failed. New request. [PSR] */
write_and_push(newsock, &c_auth, SHORTLEN);
} else { /* Authentication successful. [PSR]*/
write_and_push(newsock, &c_auth_success, SHORTLEN);
auth = true;
}
}
if(!auth) {
write_and_push(newsock, &c_refuse, SHORTLEN);
safe_close(newsock);
return false;
}
} else { /* No authentication. [PSR] */
write_and_push(newsock, &c_auth_success, SHORTLEN);
}
#endif
safe_read(newsock, (char *) &uid, LONGLEN);
uid = ntohl((unsigned long) uid);
safe_read(newsock, name, NAMELEN);
safe_read(newsock, &team, 1);
safe_read(newsock, (char *) &enter_status, LONGLEN);
enter_status = ntohl((unsigned long) enter_status);
safe_read(newsock, ttyname_glob, NAMELEN);
safe_read(newsock, (char *) &mode, sizeof mode);
mode = ntohl(mode);
/*
* Turn off blocking I/O, so a slow or dead terminal won't stop
* the game. All subsequent reads check how many bytes they read.
*/
flags = fcntl(newsock, F_GETFL, 0);
flags |= O_NDELAY;
(void) fcntl(newsock, F_SETFL, flags);
/*
* Make sure the name contains only printable characters
* since we use control characters for cursor control
* between driver and player processes
*/
for (cp1 = cp2 = name; *cp1 != '\0'; cp1++) {
if (isprint((unsigned char)*cp1) || *cp1 == ' ') {
*cp2++ = *cp1;
}
}
*cp2 = '\0';
# ifdef INTERNET
if (mode == C_MESSAGE) {
char buf[BUFSIZ + 1];
int n;
if (team == ' ') {
(void) sprintf(buf, "%s: ", name);
}
else {
(void) sprintf(buf, "%s[%c]: ", name, team);
}
n = strlen(buf);
for (pp = player; pp < end_player; pp++) {
cgoto(pp, HEIGHT, 0);
outstr(pp, buf, n);
}
while ((n = read(newsock, buf, BUFSIZ)) > 0)
for (pp = player; pp < end_player; pp++) {
outstr(pp, buf, n);
}
for (pp = player; pp < end_player; pp++) {
ce(pp);
sendcom(pp, REFRESH);
sendcom(pp, READY, 0);
(void) fflush(pp->p_output);
}
safe_close(newsock);
return false;
}
else
# endif
# ifdef MONITOR
if (mode == C_MONITOR) {
if (end_monitor < &monitor[MAXMON]) {
pp = end_monitor++;
i = pp - monitor + MAXPL + 3;
} else {
socklen = 0;
write_and_push(newsock, (char *) &socklen, sizeof socklen);
safe_close(newsock);
return false;
}
}
else
# endif
if (end_player < &player[MAXPL]) {
pp = end_player++;
i = pp - player + 3;
} else {
socklen = 0;
write_and_push(newsock, (char *) &socklen, sizeof socklen);
safe_close(newsock);
return false;
}
#ifdef MONITOR
if (mode == C_MONITOR && team == ' ') {
team = '*';
}
#endif
pp->p_ident = get_ident(machine, uid, name, team);
pp->p_output = fdopen(newsock, "w");
pp->p_death[0] = '\0';
pp->p_fd = newsock;
fdset[i].fd = newsock;
fdset[i].events = POLLIN;
pp->p_y = 0;
pp->p_x = 0;
# ifdef MONITOR
if (mode == C_MONITOR) {
stmonitor(pp);
}
else
# endif
stplayer(pp, enter_status);
return true;
}
int
answer()
{
PLAYER *pp;
int newsock;
static u_long mode;
static char name[NAMELEN];
static char team;
static int enter_status;
static int socklen;
static u_long machine;
static u_int32_t uid;
static SOCKET sockstruct;
char *cp1, *cp2;
int flags;
u_int32_t version;
int i;
# ifdef INTERNET
socklen = sizeof sockstruct;
# else
socklen = sizeof sockstruct - 1;
# endif
errno = 0;
newsock = accept(Socket, (struct sockaddr *) &sockstruct, &socklen);
if (newsock < 0)
{
if (errno == EINTR)
return FALSE;
# ifdef LOG
syslog(LOG_ERR, "accept: %m");
# else
perror("accept");
# endif
cleanup(1);
}
# ifdef INTERNET
machine = ntohl(((struct sockaddr_in *) &sockstruct)->sin_addr.s_addr);
# else
if (machine == 0)
machine = gethostid();
# endif
version = htonl((u_int32_t) HUNT_VERSION);
(void) write(newsock, (char *) &version, LONGLEN);
(void) read(newsock, (char *) &uid, LONGLEN);
uid = ntohl((unsigned long) uid);
(void) read(newsock, name, NAMELEN);
(void) read(newsock, &team, 1);
(void) read(newsock, (char *) &enter_status, LONGLEN);
enter_status = ntohl((unsigned long) enter_status);
(void) read(newsock, Ttyname, NAMELEN);
(void) read(newsock, (char *) &mode, sizeof mode);
mode = ntohl(mode);
/*
* Turn off blocking I/O, so a slow or dead terminal won't stop
* the game. All subsequent reads check how many bytes they read.
*/
flags = fcntl(newsock, F_GETFL, 0);
flags |= O_NDELAY;
(void) fcntl(newsock, F_SETFL, flags);
/*
* Make sure the name contains only printable characters
* since we use control characters for cursor control
* between driver and player processes
*/
for (cp1 = cp2 = name; *cp1 != '\0'; cp1++)
if (isprint((unsigned char)*cp1) || *cp1 == ' ')
*cp2++ = *cp1;
*cp2 = '\0';
# ifdef INTERNET
if (mode == C_MESSAGE) {
char buf[BUFSIZ + 1];
int n;
if (team == ' ')
(void) sprintf(buf, "%s: ", name);
else
(void) sprintf(buf, "%s[%c]: ", name, team);
n = strlen(buf);
for (pp = Player; pp < End_player; pp++) {
cgoto(pp, HEIGHT, 0);
outstr(pp, buf, n);
}
while ((n = read(newsock, buf, BUFSIZ)) > 0)
for (pp = Player; pp < End_player; pp++)
outstr(pp, buf, n);
for (pp = Player; pp < End_player; pp++) {
ce(pp);
sendcom(pp, REFRESH);
sendcom(pp, READY, 0);
(void) fflush(pp->p_output);
}
(void) close(newsock);
return FALSE;
}
else
# endif
# ifdef MONITOR
if (mode == C_MONITOR)
if (End_monitor < &Monitor[MAXMON]) {
pp = End_monitor++;
i = pp - Monitor + MAXPL + 3;
} else {
socklen = 0;
(void) write(newsock, (char *) &socklen,
sizeof socklen);
(void) close(newsock);
return FALSE;
}
else
# endif
if (End_player < &Player[MAXPL]) {
pp = End_player++;
i = pp - Player + 3;
} else {
socklen = 0;
(void) write(newsock, (char *) &socklen,
sizeof socklen);
(void) close(newsock);
return FALSE;
}
#ifdef MONITOR
if (mode == C_MONITOR && team == ' ')
team = '*';
#endif
pp->p_ident = get_ident(machine, uid, name, team);
pp->p_output = fdopen(newsock, "w");
pp->p_death[0] = '\0';
pp->p_fd = newsock;
fdset[i].fd = newsock;
fdset[i].events = POLLIN;
pp->p_y = 0;
pp->p_x = 0;
# ifdef MONITOR
if (mode == C_MONITOR)
stmonitor(pp);
else
# endif
stplayer(pp, enter_status);
return TRUE;
}
answer()
{
register PLAYER *pp;
register int newsock;
register FILE *tmpfd;
# ifdef MONITOR
static FLAG monitor;
# endif MONITOR
static char name[NAMELEN];
static int socklen;
static u_long machine;
static u_long uid;
static SOCKET sockstruct;
# ifdef OLDIPC
extern SOCKET Daemon;
# endif OLDIPC
# ifdef INTERNET
socklen = sizeof sockstruct;
# else
socklen = sizeof sockstruct - 1;
# endif INTERNET
errno = 0;
# ifndef OLDIPC
if ((newsock = accept(Socket, &sockstruct, &socklen)) < 0)
# else OLDIPC
if (accept(Socket, &sockstruct) < 0)
# endif OLDIPC
{
if (errno == EINTR)
return;
perror("accept");
cleanup(1);
}
# ifdef OLDIPC
newsock = Socket;
Socket = socket(SOCK_STREAM, 0, (struct sockaddr *) &Daemon,
SO_ACCEPTCONN);
if (Socket < 0) {
perror("new accept socket");
cleanup(1);
}
Sock_mask = (1 << Socket);
Fds_mask |= Sock_mask;
if (Socket >= Num_fds)
Num_fds = Socket + 1;
# endif OLDIPC
tmpfd = fdopen(newsock, "w");
# ifdef INTERNET
machine = ntohl(((struct sockaddr_in *) &sockstruct)->sin_addr.s_addr);
# else INTERNET
if (machine == 0)
machine = gethostid();
# endif INTERNET
(void) putw(getpid(), tmpfd);
(void) read(newsock, (char *) &uid, sizeof uid);
uid = ntohl(uid);
(void) read(newsock, name, NAMELEN);
(void) read(newsock, Ttyname, NAMELEN);
# ifdef MONITOR
(void) read(newsock, (char *) &monitor, sizeof monitor);
# endif MONITOR
if (reached_limit(machine)) {
socklen = 0;
(void) write(newsock, (char *) &socklen, sizeof socklen);
(void) close(newsock);
# ifdef OLDIPC
Fds_mask &= ~(1 << newsock);
# endif OLDIPC
return;
}
# ifdef MONITOR
if (monitor)
if (End_monitor < &Monitor[MAXMON])
pp = End_monitor++;
else {
socklen = 0;
(void) write(newsock, (char *) &socklen,
sizeof socklen);
(void) close(newsock);
return;
}
else
# endif MONITOR
if (End_player < &Player[MAXPL])
pp = End_player++;
else {
socklen = 0;
(void) write(newsock, (char *) &socklen,
sizeof socklen);
(void) close(newsock);
return;
}
pp->p_ident = get_ident(machine, uid, name);
pp->p_output = tmpfd;
pp->p_death[0] = '\0';
pp->p_fd = newsock;
pp->p_mask = (1 << pp->p_fd);
# ifndef OLDIPC
Fds_mask |= pp->p_mask;
if (pp->p_fd >= Num_fds)
Num_fds = pp->p_fd + 1;
# endif OLDIPC
pp->p_y = 0;
pp->p_x = 0;
# ifdef MONITOR
if (monitor)
stmonitor(pp);
else
# endif MONITOR
stplayer(pp);
}
