#if defined(HAVE_SYS_EPOLL_H) && defined(HAVE_EPOLL)
# include <sys/epoll.h>
-#endif
+#elif defined(SLAP_X_DEVPOLL) && defined(HAVE_SYS_DEVPOLL_H) && defined(HAVE_DEVPOLL)
+# include <sys/types.h>
+# include <sys/stat.h>
+# include <fcntl.h>
+# include <sys/devpoll.h>
+#endif /* ! epoll && ! /dev/poll */
#ifdef HAVE_TCPD
# include <tcpd.h>
int *sd_index;
int sd_epfd;
int sd_nfds;
-#else /* ! epoll */
+#elif defined(SLAP_X_DEVPOLL) && defined(HAVE_DEVPOLL)
+ /* eXperimental */
+ struct pollfd *sd_pollfd;
+ int *sd_index;
+ Listener **sd_l;
+ int sd_dpfd;
+ int sd_nfds;
+#else /* ! epoll && ! /dev/poll */
#ifndef HAVE_WINSOCK
/* In winsock, accept() returns values higher than dtblsize
so don't bother with this optimization */
fd_set sd_actives;
fd_set sd_readers;
fd_set sd_writers;
-#endif /* ! epoll */
+#endif /* ! epoll && ! /dev/poll */
} slap_daemon;
/*
* with file descriptors and events respectively
*
* - SLAP_<type>_* for private interface; type by now is one of
- * EPOLL, SELECT
+ * EPOLL, DEVPOLL, SELECT
*
* private interface should not be used in the code.
*/
dtblsize, (tvp) ? (tvp)->tv_sec * 1000 : -1 ); \
} while (0)
-#else /* ! epoll */
+#elif defined(SLAP_X_DEVPOLL) && defined(HAVE_DEVPOLL)
+
+/*************************************************************
+ * Use Solaris' (>= 2.7) /dev/poll infrastructure - poll(7d) *
+ *************************************************************/
+# define SLAP_EVENT_FNAME "/dev/poll"
+# define SLAP_EVENTS_ARE_INDEXED 0
+/*
+ * - sd_index is used much like with epoll()
+ * - sd_l is maintained as an array containing the address
+ * of the listener; the index is the fd itself
+ * - sd_pollfd is used to keep track of what data has been
+ * registered in /dev/poll
+ */
+# define SLAP_DEVPOLL_SOCK_IX(s) (slap_daemon.sd_index[(s)])
+# define SLAP_DEVPOLL_SOCK_LX(s) (slap_daemon.sd_l[(s)])
+# define SLAP_DEVPOLL_SOCK_EP(s) (slap_daemon.sd_pollfd[SLAP_DEVPOLL_SOCK_IX((s))])
+# define SLAP_DEVPOLL_SOCK_FD(s) (SLAP_DEVPOLL_SOCK_EP((s)).fd)
+# define SLAP_DEVPOLL_SOCK_EV(s) (SLAP_DEVPOLL_SOCK_EP((s)).events)
+# define SLAP_SOCK_IS_ACTIVE(s) (SLAP_DEVPOLL_SOCK_IX((s)) != -1)
+# define SLAP_SOCK_NOT_ACTIVE(s) (SLAP_DEVPOLL_SOCK_IX((s)) == -1)
+# define SLAP_SOCK_IS_SET(s, mode) (SLAP_DEVPOLL_SOCK_EV((s)) & (mode))
+
+# define SLAP_SOCK_IS_READ(s) SLAP_SOCK_IS_SET((s), POLLIN)
+# define SLAP_SOCK_IS_WRITE(s) SLAP_SOCK_IS_SET((s), POLLOUT)
+
+/* as far as I understand, any time we need to communicate with the kernel
+ * about the number and/or properties of a file descriptor we need it to
+ * wait for, we have to rewrite the whole set */
+# define SLAP_DEVPOLL_WRITE_POLLFD(s, pfd, n, what, shdn) do { \
+ int rc; \
+ size_t size = (n) * sizeof( struct pollfd ); \
+ /* FIXME: use pwrite? */ \
+ rc = write( slap_daemon.sd_dpfd, (pfd), size ); \
+ if ( rc != size ) { \
+ Debug( LDAP_DEBUG_ANY, "daemon: " SLAP_EVENT_FNAME ": " \
+ "%s fd=%d failed errno=%d\n", \
+ (what), (s), errno ); \
+ if ( (shdn) ) { \
+ slapd_shutdown = 2; \
+ } \
+ } \
+} while (0)
+
+# define SLAP_DEVPOLL_SOCK_SET(s, mode) do { \
+ Debug( LDAP_DEBUG_CONNS, "SLAP_SOCK_SET_%s(%d)=%d\n", \
+ (mode) == POLLIN ? "READ" : "WRITE", (s), \
+ ( (SLAP_DEVPOLL_SOCK_EV((s)) & (mode)) != (mode) ) ); \
+ if ( (SLAP_DEVPOLL_SOCK_EV((s)) & (mode)) != (mode) ) { \
+ struct pollfd pfd; \
+ SLAP_DEVPOLL_SOCK_EV((s)) |= (mode); \
+ pfd.fd = SLAP_DEVPOLL_SOCK_FD((s)); \
+ pfd.events = /* (mode) */ SLAP_DEVPOLL_SOCK_EV((s)); \
+ SLAP_DEVPOLL_WRITE_POLLFD((s), &pfd, 1, "SET", 0); \
+ } \
+} while (0)
+
+# define SLAP_DEVPOLL_SOCK_CLR(s, mode) do { \
+ Debug( LDAP_DEBUG_CONNS, "SLAP_SOCK_CLR_%s(%d)=%d\n", \
+ (mode) == POLLIN ? "READ" : "WRITE", (s), \
+ ( (SLAP_DEVPOLL_SOCK_EV((s)) & (mode)) == (mode) ) ); \
+ if ((SLAP_DEVPOLL_SOCK_EV((s)) & (mode)) == (mode) ) { \
+ struct pollfd pfd[2]; \
+ SLAP_DEVPOLL_SOCK_EV((s)) &= ~(mode); \
+ pfd[0].fd = SLAP_DEVPOLL_SOCK_FD((s)); \
+ pfd[0].events = POLLREMOVE; \
+ pfd[1] = SLAP_DEVPOLL_SOCK_EP((s)); \
+ SLAP_DEVPOLL_WRITE_POLLFD((s), &pfd[0], 2, "CLR", 0); \
+ } \
+} while (0)
+
+# define SLAP_SOCK_SET_READ(s) SLAP_DEVPOLL_SOCK_SET(s, POLLIN)
+# define SLAP_SOCK_SET_WRITE(s) SLAP_DEVPOLL_SOCK_SET(s, POLLOUT)
+
+# define SLAP_SOCK_CLR_READ(s) SLAP_DEVPOLL_SOCK_CLR((s), POLLIN)
+# define SLAP_SOCK_CLR_WRITE(s) SLAP_DEVPOLL_SOCK_CLR((s), POLLOUT)
+
+# ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+# define SLAP_SOCK_SET_SUSPEND(s) \
+ ( slap_daemon.sd_suspend[SLAP_DEVPOLL_SOCK_IX((s))] = 1 )
+# define SLAP_SOCK_CLR_SUSPEND(s) \
+ ( slap_daemon.sd_suspend[SLAP_DEVPOLL_SOCK_IX((s))] = 0 )
+# define SLAP_SOCK_IS_SUSPEND(s) \
+ ( slap_daemon.sd_suspend[SLAP_DEVPOLL_SOCK_IX((s))] == 1 )
+# endif /* SLAP_LIGHTWEIGHT_DISPATCHER */
+
+# define SLAP_DEVPOLL_EVENT_CLR(i, mode) (revents[(i)].events &= ~(mode))
+
+# define SLAP_EVENT_MAX slap_daemon.sd_nfds
+
+/* If a Listener address is provided, store that in the sd_l array.
+ * If we can't do this add, the system is out of resources and we
+ * need to shutdown.
+ */
+# define SLAP_SOCK_ADD(s, l) do { \
+ Debug( LDAP_DEBUG_CONNS, "SLAP_SOCK_ADD(%d, %p)\n", (s), (l), 0 ); \
+ SLAP_DEVPOLL_SOCK_IX((s)) = slap_daemon.sd_nfds; \
+ SLAP_DEVPOLL_SOCK_LX((s)) = (l); \
+ SLAP_DEVPOLL_SOCK_FD((s)) = (s); \
+ SLAP_DEVPOLL_SOCK_EV((s)) = POLLIN; \
+ SLAP_DEVPOLL_WRITE_POLLFD((s), &SLAP_DEVPOLL_SOCK_EP((s)), 1, "ADD", 1); \
+ slap_daemon.sd_nfds++; \
+} while (0)
+
+# define SLAP_DEVPOLL_EV_LISTENER(ptr) ((ptr) != NULL)
+
+# define SLAP_SOCK_DEL(s) do { \
+ int fd, index = SLAP_DEVPOLL_SOCK_IX((s)); \
+ Debug( LDAP_DEBUG_CONNS, "SLAP_SOCK_DEL(%d)\n", (s), 0, 0 ); \
+ if ( index < 0 ) break; \
+ if ( index < slap_daemon.sd_nfds - 1 ) { \
+ struct pollfd pfd = slap_daemon.sd_pollfd[index]; \
+ fd = slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1].fd; \
+ slap_daemon.sd_pollfd[index] = slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1]; \
+ slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1] = pfd; \
+ slap_daemon.sd_index[fd] = index; \
+ } \
+ slap_daemon.sd_index[(s)] = -1; \
+ slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1].events = POLLREMOVE; \
+ SLAP_DEVPOLL_WRITE_POLLFD((s), &slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1], 1, "DEL", 0); \
+ slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1].events = 0; \
+ slap_daemon.sd_nfds--; \
+} while (0)
+
+# define SLAP_EVENT_CLR_READ(i) SLAP_DEVPOLL_EVENT_CLR((i), POLLIN)
+# define SLAP_EVENT_CLR_WRITE(i) SLAP_DEVPOLL_EVENT_CLR((i), POLLOUT)
+
+# define SLAP_DEVPOLL_EVENT_CHK(i, mode) (revents[(i)].events & (mode))
+
+# define SLAP_EVENT_FD(i) (revents[(i)].fd)
+
+# define SLAP_EVENT_IS_READ(i) SLAP_DEVPOLL_EVENT_CHK((i), POLLIN)
+# define SLAP_EVENT_IS_WRITE(i) SLAP_DEVPOLL_EVENT_CHK((i), POLLOUT)
+# define SLAP_EVENT_IS_LISTENER(i) SLAP_DEVPOLL_EV_LISTENER(SLAP_DEVPOLL_SOCK_LX(SLAP_EVENT_FD((i))))
+# define SLAP_EVENT_LISTENER(i) SLAP_DEVPOLL_SOCK_LX(SLAP_EVENT_FD((i)))
+
+# define SLAP_SOCK_INIT do { \
+ slap_daemon.sd_pollfd = ch_calloc( 1, \
+ ( sizeof(struct pollfd) * 2 \
+ + sizeof( int ) \
+ + sizeof( Listener * ) ) * dtblsize ); \
+ slap_daemon.sd_index = (int *)&slap_daemon.sd_pollfd[ 2 * dtblsize ]; \
+ slap_daemon.sd_l = (Listener **)&slap_daemon.sd_index[ dtblsize ]; \
+ slap_daemon.sd_dpfd = open( SLAP_EVENT_FNAME, O_RDWR ); \
+ if ( slap_daemon.sd_dpfd == -1 ) { \
+ Debug( LDAP_DEBUG_ANY, "daemon: " SLAP_EVENT_FNAME ": " \
+ "open(\"" SLAP_EVENT_FNAME "\") failed errno=%d\n", \
+ errno, 0, 0 ); \
+ SLAP_SOCK_DESTROY; \
+ return -1; \
+ } \
+ for ( i = 0; i < dtblsize; i++ ) { \
+ slap_daemon.sd_pollfd[i].fd = -1; \
+ slap_daemon.sd_index[i] = -1; \
+ } \
+} while (0)
+
+# define SLAP_SOCK_DESTROY do { \
+ if ( slap_daemon.sd_pollfd != NULL ) { \
+ ch_free( slap_daemon.sd_pollfd ); \
+ slap_daemon.sd_pollfd = NULL; \
+ slap_daemon.sd_index = NULL; \
+ slap_daemon.sd_l = NULL; \
+ close( slap_daemon.sd_dpfd ); \
+ } \
+} while ( 0 )
+
+# define SLAP_EVENT_DECL struct pollfd *revents
+
+# define SLAP_EVENT_INIT do { \
+ revents = &slap_daemon.sd_pollfd[ dtblsize ]; \
+} while (0)
+
+# define SLAP_EVENT_WAIT(tvp, nsp) do { \
+ struct dvpoll sd_dvpoll; \
+ sd_dvpoll.dp_timeout = (tvp) ? (tvp)->tv_sec * 1000 : -1; \
+ sd_dvpoll.dp_nfds = dtblsize; \
+ sd_dvpoll.dp_fds = revents; \
+ *(nsp) = ioctl( slap_daemon.sd_dpfd, DP_POLL, &sd_dvpoll ); \
+} while (0)
+
+#else /* ! epoll && ! /dev/poll */
/**************************************
* Use select system call - select(2) *
# define SLAP_SOCK_INIT do { \
SLAP_SELECT_CHK_SETSIZE; \
+ FD_ZERO(&slap_daemon.sd_actives); \
FD_ZERO(&slap_daemon.sd_readers); \
FD_ZERO(&slap_daemon.sd_writers); \
} while (0)
# define SLAP_EVENT_CLR_READ(fd) FD_CLR((fd), &readfds)
# define SLAP_EVENT_CLR_WRITE(fd) FD_CLR((fd), &writefds)
-# define SLAP_EVENT_WAIT(tvp, snp) do { \
+# define SLAP_EVENT_WAIT(tvp, nsp) do { \
*(nsp) = select( SLAP_EVENT_MAX, &readfds, \
nwriters > 0 ? &writefds : NULL, NULL, (tvp) ); \
} while (0)
-#endif /* ! epoll */
+#endif /* ! epoll && ! /dev/poll */
#ifdef HAVE_SLP
/*
SLAP_SOCK_ADD(s, sl);
- Debug( LDAP_DEBUG_CONNS, "daemon: added %ldr\n",
- (long) s, 0, 0 );
+ Debug( LDAP_DEBUG_CONNS, "daemon: added %ldr%s listener=%p\n",
+ (long) s, isactive ? " (active)" : "", (void *)sl );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
#ifdef LDAP_PF_LOCAL
case AF_LOCAL:
#ifdef LOCAL_CREDS
- {
- int one = 1;
- setsockopt(l.sl_sd, 0, LOCAL_CREDS, &one, sizeof one);
- }
+ {
+ int one = 1;
+ setsockopt( l.sl_sd, 0, LOCAL_CREDS, &one, sizeof( one ) );
+ }
#endif /* LOCAL_CREDS */
- addrlen = sizeof(struct sockaddr_un);
- break;
+
+ addrlen = sizeof( struct sockaddr_un );
+ break;
#endif /* LDAP_PF_LOCAL */
}
- if (bind(l.sl_sd, *sal, addrlen)) {
+#ifdef LDAP_PF_LOCAL
+ /* create socket with all permissions set for those systems
+ * that honor permissions on sockets (e.g. Linux); typically,
+ * only write is required. To exploit filesystem permissions,
+ * place the socket in a directory and use directory's
+ * permissions. Need write perms to the directory to
+ * create/unlink the socket; likely need exec perms to access
+ * the socket (ITS#4709) */
+ {
+ mode_t old_umask;
+
+ if ( (*sal)->sa_family == AF_LOCAL ) {
+ old_umask = umask( 0 );
+ }
+#endif /* LDAP_PF_LOCAL */
+ rc = bind( l.sl_sd, *sal, addrlen );
+#ifdef LDAP_PF_LOCAL
+ if ( (*sal)->sa_family == AF_LOCAL ) {
+ umask( old_umask );
+ }
+ }
+#endif /* LDAP_PF_LOCAL */
+ if ( rc ) {
err = sock_errno();
Debug( LDAP_DEBUG_ANY,
"daemon: bind(%ld) failed errno=%d (%s)\n",
- (long) l.sl_sd, err, sock_errstr(err) );
+ (long)l.sl_sd, err, sock_errstr( err ) );
tcp_close( l.sl_sd );
sal++;
continue;
inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
addr, sizeof addr);
port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
- l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
+ l.sl_name.bv_len = strlen(addr) + sizeof("IP=[]:65535");
l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
- snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
+ snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=[%s]:%d",
addr, port );
l.sl_name.bv_len = strlen( l.sl_name.bv_val );
} break;
#ifdef LDAP_PF_LOCAL
char peername[MAXPATHLEN + sizeof("PATH=")];
#elif defined(LDAP_PF_INET6)
- char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
+ char peername[sizeof("IP=[ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]:65535")];
#else /* ! LDAP_PF_LOCAL && ! LDAP_PF_INET6 */
char peername[sizeof("IP=255.255.255.255:65336")];
#endif /* LDAP_PF_LOCAL */
+ Debug( LDAP_DEBUG_TRACE,
+ ">>> slap_listener(%s)",
+ sl->sl_url.bv_val, 0, 0 );
+
peername[0] = '\0';
#ifdef LDAP_CONNECTIONLESS
peeraddr = (char *) inet_ntop( AF_INET6,
&from.sa_in6_addr.sin6_addr,
addr, sizeof addr );
- sprintf( peername, "IP=%s %d",
+ sprintf( peername, "IP=[%s]:%d",
peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
(unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
}
# endif /* LDAP_PF_INET6 */
case AF_INET:
- peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
- sprintf( peername, "IP=%s:%d",
- peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
- (unsigned) ntohs( from.sa_in_addr.sin_port ) );
+ peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
+ sprintf( peername, "IP=%s:%d",
+ peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
+ (unsigned) ntohs( from.sa_in_addr.sin_port ) );
break;
default:
void* ctx,
void* ptr )
{
- int rc;
+ int rc;
+ Listener *sl = (Listener *)ptr;
- rc = slap_listener( (Listener*)ptr );
+ rc = slap_listener( sl );
if( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
- "listener_thread: failed %d", rc, 0, 0 );
+ "slap_listener_thread(%s): failed err=%d",
+ sl->sl_url.bv_val, rc, 0 );
}
return (void*)NULL;
projects / openldap / blobdiff