364 lines
10 KiB
C
364 lines
10 KiB
C
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/*
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| https://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Stig Venaas <venaas@uninett.no> |
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+----------------------------------------------------------------------+
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*/
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#ifndef _PHP_NETWORK_H
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#define _PHP_NETWORK_H
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#include <php.h>
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#ifdef PHP_WIN32
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# include "win32/inet.h"
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#else
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# undef closesocket
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# define closesocket close
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# include <netinet/tcp.h>
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#endif
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#ifndef HAVE_SHUTDOWN
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#undef shutdown
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#define shutdown(s,n) /* nothing */
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#endif
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#ifdef PHP_WIN32
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# ifdef EWOULDBLOCK
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# undef EWOULDBLOCK
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# endif
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# ifdef EINPROGRESS
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# undef EINPROGRESS
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# endif
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# define EWOULDBLOCK WSAEWOULDBLOCK
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# define EINPROGRESS WSAEWOULDBLOCK
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# define fsync _commit
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# define ftruncate(a, b) chsize(a, b)
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#endif /* defined(PHP_WIN32) */
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#ifndef EWOULDBLOCK
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# define EWOULDBLOCK EAGAIN
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#endif
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/* This is a workaround for GCC bug 69602: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69602 */
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#if EAGAIN != EWOULDBLOCK
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# define PHP_IS_TRANSIENT_ERROR(err) (err == EAGAIN || err == EWOULDBLOCK)
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#else
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# define PHP_IS_TRANSIENT_ERROR(err) (err == EAGAIN)
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#endif
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#ifdef PHP_WIN32
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#define php_socket_errno() WSAGetLastError()
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#else
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#define php_socket_errno() errno
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#endif
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/* like strerror, but caller must efree the returned string,
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* unless buf is not NULL.
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* Also works sensibly for win32 */
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BEGIN_EXTERN_C()
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PHPAPI char *php_socket_strerror(long err, char *buf, size_t bufsize);
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PHPAPI zend_string *php_socket_error_str(long err);
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END_EXTERN_C()
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_GETHOSTBYNAME_R
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#include <netdb.h>
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#endif
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/* These are here, rather than with the win32 counterparts above,
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* since <sys/socket.h> defines them. */
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#ifndef SHUT_RD
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# define SHUT_RD 0
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# define SHUT_WR 1
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# define SHUT_RDWR 2
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#include <stddef.h>
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#ifdef PHP_WIN32
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typedef SOCKET php_socket_t;
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#else
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typedef int php_socket_t;
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#endif
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#ifdef PHP_WIN32
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# define SOCK_ERR INVALID_SOCKET
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# define SOCK_CONN_ERR SOCKET_ERROR
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# define SOCK_RECV_ERR SOCKET_ERROR
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#else
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# define SOCK_ERR -1
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# define SOCK_CONN_ERR -1
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# define SOCK_RECV_ERR -1
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#endif
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#define STREAM_SOCKOP_NONE (1 << 0)
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#define STREAM_SOCKOP_SO_REUSEPORT (1 << 1)
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#define STREAM_SOCKOP_SO_BROADCAST (1 << 2)
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#define STREAM_SOCKOP_IPV6_V6ONLY (1 << 3)
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#define STREAM_SOCKOP_IPV6_V6ONLY_ENABLED (1 << 4)
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#define STREAM_SOCKOP_TCP_NODELAY (1 << 5)
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/* uncomment this to debug poll(2) emulation on systems that have poll(2) */
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/* #define PHP_USE_POLL_2_EMULATION 1 */
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#if defined(HAVE_POLL)
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# if defined(HAVE_POLL_H)
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# include <poll.h>
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# elif defined(HAVE_SYS_POLL_H)
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# include <sys/poll.h>
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# endif
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typedef struct pollfd php_pollfd;
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#else
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typedef struct _php_pollfd {
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php_socket_t fd;
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short events;
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short revents;
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} php_pollfd;
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PHPAPI int php_poll2(php_pollfd *ufds, unsigned int nfds, int timeout);
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#ifndef POLLIN
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# define POLLIN 0x0001 /* There is data to read */
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# define POLLPRI 0x0002 /* There is urgent data to read */
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# define POLLOUT 0x0004 /* Writing now will not block */
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# define POLLERR 0x0008 /* Error condition */
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# define POLLHUP 0x0010 /* Hung up */
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# define POLLNVAL 0x0020 /* Invalid request: fd not open */
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#endif
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# ifndef PHP_USE_POLL_2_EMULATION
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# define PHP_USE_POLL_2_EMULATION 1
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# endif
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#endif
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#define PHP_POLLREADABLE (POLLIN|POLLERR|POLLHUP)
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#ifndef PHP_USE_POLL_2_EMULATION
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# define php_poll2(ufds, nfds, timeout) poll(ufds, nfds, timeout)
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#endif
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/* timeval-to-timeout (for poll(2)) */
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static inline int php_tvtoto(struct timeval *timeouttv)
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{
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if (timeouttv) {
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return (timeouttv->tv_sec * 1000) + (timeouttv->tv_usec / 1000);
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}
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return -1;
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}
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/* hybrid select(2)/poll(2) for a single descriptor.
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* timeouttv follows same rules as select(2), but is reduced to millisecond accuracy.
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* Returns 0 on timeout, -1 on error, or the event mask (ala poll(2)).
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*/
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static inline int php_pollfd_for(php_socket_t fd, int events, struct timeval *timeouttv)
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{
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php_pollfd p;
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int n;
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p.fd = fd;
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p.events = events;
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p.revents = 0;
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n = php_poll2(&p, 1, php_tvtoto(timeouttv));
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if (n > 0) {
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return p.revents;
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}
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return n;
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}
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static inline int php_pollfd_for_ms(php_socket_t fd, int events, int timeout)
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{
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php_pollfd p;
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int n;
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p.fd = fd;
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p.events = events;
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p.revents = 0;
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n = php_poll2(&p, 1, timeout);
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if (n > 0) {
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return p.revents;
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}
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return n;
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}
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/* emit warning and suggestion for unsafe select(2) usage */
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PHPAPI void _php_emit_fd_setsize_warning(int max_fd);
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static inline bool _php_check_fd_setsize(php_socket_t *max_fd, int setsize)
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{
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#ifdef PHP_WIN32
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(void)(max_fd); // Unused
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if (setsize + 1 >= FD_SETSIZE) {
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_php_emit_fd_setsize_warning(setsize);
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return false;
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}
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#else
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(void)(setsize); // Unused
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if (*max_fd >= FD_SETSIZE) {
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_php_emit_fd_setsize_warning(*max_fd);
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*max_fd = FD_SETSIZE - 1;
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return false;
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}
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#endif
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return true;
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}
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#ifdef PHP_WIN32
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/* it is safe to FD_SET too many fd's under win32; the macro will simply ignore
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* descriptors that go beyond the default FD_SETSIZE */
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# define PHP_SAFE_FD_SET(fd, set) FD_SET(fd, set)
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# define PHP_SAFE_FD_CLR(fd, set) FD_CLR(fd, set)
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# define PHP_SAFE_FD_ISSET(fd, set) FD_ISSET(fd, set)
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# define PHP_SAFE_MAX_FD(m, n) _php_check_fd_setsize(&m, n)
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#else
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# define PHP_SAFE_FD_SET(fd, set) do { if (fd < FD_SETSIZE) FD_SET(fd, set); } while(0)
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# define PHP_SAFE_FD_CLR(fd, set) do { if (fd < FD_SETSIZE) FD_CLR(fd, set); } while(0)
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# define PHP_SAFE_FD_ISSET(fd, set) ((fd < FD_SETSIZE) && FD_ISSET(fd, set))
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# define PHP_SAFE_MAX_FD(m, n) _php_check_fd_setsize(&m, n)
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#endif
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#define PHP_SOCK_CHUNK_SIZE 8192
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#ifdef HAVE_SOCKADDR_STORAGE
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typedef struct sockaddr_storage php_sockaddr_storage;
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#else
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typedef struct {
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#ifdef HAVE_SOCKADDR_SA_LEN
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unsigned char ss_len;
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unsigned char ss_family;
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#else
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unsigned short ss_family;
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#endif
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char info[126];
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} php_sockaddr_storage;
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#endif
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BEGIN_EXTERN_C()
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PHPAPI int php_network_getaddresses(const char *host, int socktype, struct sockaddr ***sal, zend_string **error_string);
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PHPAPI void php_network_freeaddresses(struct sockaddr **sal);
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PHPAPI php_socket_t php_network_connect_socket_to_host(const char *host, unsigned short port,
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int socktype, int asynchronous, struct timeval *timeout, zend_string **error_string,
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int *error_code, const char *bindto, unsigned short bindport, long sockopts
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);
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PHPAPI int php_network_connect_socket(php_socket_t sockfd,
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const struct sockaddr *addr,
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socklen_t addrlen,
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int asynchronous,
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struct timeval *timeout,
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zend_string **error_string,
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int *error_code);
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#define php_connect_nonb(sock, addr, addrlen, timeout) \
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php_network_connect_socket((sock), (addr), (addrlen), 0, (timeout), NULL, NULL)
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PHPAPI php_socket_t php_network_bind_socket_to_local_addr(const char *host, unsigned port,
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int socktype, long sockopts, zend_string **error_string, int *error_code
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);
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PHPAPI php_socket_t php_network_accept_incoming(php_socket_t srvsock,
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zend_string **textaddr,
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struct sockaddr **addr,
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socklen_t *addrlen,
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struct timeval *timeout,
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zend_string **error_string,
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int *error_code,
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int tcp_nodelay
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);
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PHPAPI int php_network_get_sock_name(php_socket_t sock,
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zend_string **textaddr,
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struct sockaddr **addr,
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socklen_t *addrlen
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);
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PHPAPI int php_network_get_peer_name(php_socket_t sock,
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zend_string **textaddr,
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struct sockaddr **addr,
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socklen_t *addrlen
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);
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PHPAPI void php_any_addr(int family, php_sockaddr_storage *addr, unsigned short port);
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PHPAPI int php_sockaddr_size(php_sockaddr_storage *addr);
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END_EXTERN_C()
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struct _php_netstream_data_t {
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php_socket_t socket;
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char is_blocked;
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struct timeval timeout;
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char timeout_event;
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size_t ownsize;
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};
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typedef struct _php_netstream_data_t php_netstream_data_t;
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PHPAPI extern const php_stream_ops php_stream_socket_ops;
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extern const php_stream_ops php_stream_generic_socket_ops;
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#define PHP_STREAM_IS_SOCKET (&php_stream_socket_ops)
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BEGIN_EXTERN_C()
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PHPAPI php_stream *_php_stream_sock_open_from_socket(php_socket_t socket, const char *persistent_id STREAMS_DC );
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/* open a connection to a host using php_hostconnect and return a stream */
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PHPAPI php_stream *_php_stream_sock_open_host(const char *host, unsigned short port,
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int socktype, struct timeval *timeout, const char *persistent_id STREAMS_DC);
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PHPAPI void php_network_populate_name_from_sockaddr(
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/* input address */
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struct sockaddr *sa, socklen_t sl,
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/* output readable address */
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zend_string **textaddr,
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/* output address */
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struct sockaddr **addr,
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socklen_t *addrlen
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);
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PHPAPI int php_network_parse_network_address_with_port(const char *addr,
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zend_long addrlen, struct sockaddr *sa, socklen_t *sl);
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PHPAPI struct hostent* php_network_gethostbyname(const char *name);
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PHPAPI int php_set_sock_blocking(php_socket_t socketd, int block);
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END_EXTERN_C()
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#define php_stream_sock_open_from_socket(socket, persistent) _php_stream_sock_open_from_socket((socket), (persistent) STREAMS_CC)
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#define php_stream_sock_open_host(host, port, socktype, timeout, persistent) _php_stream_sock_open_host((host), (port), (socktype), (timeout), (persistent) STREAMS_CC)
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/* {{{ memory debug */
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#define php_stream_sock_open_from_socket_rel(socket, persistent) _php_stream_sock_open_from_socket((socket), (persistent) STREAMS_REL_CC)
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#define php_stream_sock_open_host_rel(host, port, socktype, timeout, persistent) _php_stream_sock_open_host((host), (port), (socktype), (timeout), (persistent) STREAMS_REL_CC)
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#define php_stream_sock_open_unix_rel(path, pathlen, persistent, timeval) _php_stream_sock_open_unix((path), (pathlen), (persistent), (timeval) STREAMS_REL_CC)
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/* }}} */
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||
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|
#ifndef MAXFQDNLEN
|
||
|
|
#define MAXFQDNLEN 255
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _PHP_NETWORK_H */
|