/* ls_popen()
*
* Implements popen() with a timeout
*/
FILE *
ls_popen(const char *cmd, const char *type, struct timeval *t)
{
FILE *fp;
struct stat buf;
int s;
int cc;
fd_set rmask;
if (stat(cmd, &buf) < 0)
return NULL;
fp = popen(cmd, type);
if (fp == NULL)
return NULL;
s = fileno(fp);
io_nonblock_(s);
znovu:
FD_ZERO(&rmask);
FD_SET(s, &rmask);
cc = select(s + 1, &rmask, NULL, NULL, t);
if (cc < 0 && errno == EINTR)
goto znovu;
if (cc < 0) {
pclose(fp);
lserrno = LSE_SELECT_SYS;
return NULL;
}
if (cc == 0) {
pclose(fp);
lserrno = LSE_TIME_OUT;
return NULL;
}
io_block_(s);
return fp;
}
/* init_AcceptSock()
*/
static void
init_AcceptSock (void)
{
static char fname[] = "init_AcceptSock()";
struct servent *sv;
struct sockaddr_in svaddr;
socklen_t len;
int one = 1;
struct hostent *hp;
memset ((char *) &svaddr, 0, sizeof (svaddr));
if ((accept_sock = socket (AF_INET, SOCK_STREAM, 0)) < 0)
{
ls_syslog (LOG_ERR, I18N_FUNC_S_FAIL_M, fname, "socket", "RES");
resExit_ (1);
}
setsockopt (accept_sock, SOL_SOCKET, SO_REUSEADDR, (char *) &one,
sizeof (int));
if (io_nonblock_ (accept_sock) < 0)
ls_syslog (LOG_ERR, I18N_FUNC_D_FAIL_M, fname, "io_nonblock_",
accept_sock);
fcntl (accept_sock, F_SETFD, (fcntl (accept_sock, F_GETFD) | FD_CLOEXEC));
if (resParams[LSF_RES_PORT].paramValue)
{
if ((svaddr.sin_port = atoi (resParams[LSF_RES_PORT].paramValue)) == 0)
{
ls_syslog (LOG_ERR, _i18n_msg_get (ls_catd, NL_SETN, 5307, "%s: LSF_RES_PORT in lsf.conf (%s) must be positive integer; exiting"), fname, resParams[LSF_RES_PORT].paramValue); /* catgets 5307 */
resExit_ (1);
}
svaddr.sin_port = htons (svaddr.sin_port);
}
else if (debug)
{
svaddr.sin_port = htons (RES_PORT);
}
else
{
if ((sv = getservbyname ("res", "tcp")) == NULL)
{
ls_syslog (LOG_ERR, _i18n_msg_get (ls_catd, NL_SETN, 5309, "%s: res/tcp: unknown service, exiting"), fname); /* catgets 5309 */
resExit_ (1);
}
svaddr.sin_port = sv->s_port;
}
svaddr.sin_family = AF_INET;
svaddr.sin_addr.s_addr = INADDR_ANY;
if (Bind_ (accept_sock, (struct sockaddr *) &svaddr, sizeof (svaddr)) < 0)
{
ls_syslog (LOG_ERR, I18N_FUNC_D_FAIL_M, fname, "accept_sock",
ntohs (svaddr.sin_port));
resExit_ (1);
}
if (listen (accept_sock, 1024) < 0)
{
ls_syslog (LOG_ERR, I18N_FUNC_FAIL_M, fname, "listen");
resExit_ (1);
}
if ((ctrlSock = TcpCreate_ (TRUE, 0)) < 0)
{
ls_syslog (LOG_ERR, I18N_FUNC_FAIL_M, fname, "TcpCreate_");
resExit_ (1);
}
len = sizeof (ctrlAddr);
memset ((char *) &ctrlAddr, 0, sizeof (ctrlAddr));
if (getsockname (ctrlSock, (struct sockaddr *) &ctrlAddr, &len) < 0)
{
ls_syslog (LOG_ERR, I18N_FUNC_D_FAIL_M, fname, "getsockname", ctrlSock);
resExit_ (-1);
}
if ((hp = Gethostbyname_ (Myhost)))
memcpy ((char *) &ctrlAddr.sin_addr,
(char *) hp->h_addr, (int) hp->h_length);
}
