* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
/* Purpose
*
- * 1. Accept a TCP connection on a custom port (ipv4 or ipv6), or connect
+ * 1. Accept a TCP connection on a custom port (IPv4 or IPv6), or connect
* to a given (localhost) port.
*
* 2. Get commands on STDIN. Pass data on to the TCP stream.
#include "inet_pton.h"
#include "util.h"
#include "server_sockaddr.h"
+#include "warnless.h"
/* include memdebug.h last */
#include "memdebug.h"
+#ifdef USE_WINSOCK
+#undef EINTR
+#define EINTR 4 /* errno.h value */
+#undef EAGAIN
+#define EAGAIN 11 /* errno.h value */
+#undef ENOMEM
+#define ENOMEM 12 /* errno.h value */
+#undef EINVAL
+#define EINVAL 22 /* errno.h value */
+#endif
+
#define DEFAULT_PORT 8999
#ifndef DEFAULT_LOGFILE
static SIGHANDLER_T old_sigterm_handler = SIG_ERR;
#endif
+#if defined(SIGBREAK) && defined(WIN32)
+static SIGHANDLER_T old_sigbreak_handler = SIG_ERR;
+#endif
+
/* var which if set indicates that the program should finish execution */
SIG_ATOMIC_T got_exit_signal = 0;
static RETSIGTYPE exit_signal_handler(int signum)
{
- int old_errno = ERRNO;
+ int old_errno = errno;
if(got_exit_signal == 0) {
got_exit_signal = 1;
exit_signal = signum;
}
(void)signal(signum, exit_signal_handler);
- SET_ERRNO(old_errno);
+ errno = old_errno;
}
static void install_signal_handlers(void)
#ifdef SIGHUP
/* ignore SIGHUP signal */
if((old_sighup_handler = signal(SIGHUP, SIG_IGN)) == SIG_ERR)
- logmsg("cannot install SIGHUP handler: %s", strerror(ERRNO));
+ logmsg("cannot install SIGHUP handler: %s", strerror(errno));
#endif
#ifdef SIGPIPE
/* ignore SIGPIPE signal */
if((old_sigpipe_handler = signal(SIGPIPE, SIG_IGN)) == SIG_ERR)
- logmsg("cannot install SIGPIPE handler: %s", strerror(ERRNO));
+ logmsg("cannot install SIGPIPE handler: %s", strerror(errno));
#endif
#ifdef SIGALRM
/* ignore SIGALRM signal */
if((old_sigalrm_handler = signal(SIGALRM, SIG_IGN)) == SIG_ERR)
- logmsg("cannot install SIGALRM handler: %s", strerror(ERRNO));
+ logmsg("cannot install SIGALRM handler: %s", strerror(errno));
#endif
#ifdef SIGINT
/* handle SIGINT signal with our exit_signal_handler */
if((old_sigint_handler = signal(SIGINT, exit_signal_handler)) == SIG_ERR)
- logmsg("cannot install SIGINT handler: %s", strerror(ERRNO));
+ logmsg("cannot install SIGINT handler: %s", strerror(errno));
else
siginterrupt(SIGINT, 1);
#endif
#ifdef SIGTERM
/* handle SIGTERM signal with our exit_signal_handler */
if((old_sigterm_handler = signal(SIGTERM, exit_signal_handler)) == SIG_ERR)
- logmsg("cannot install SIGTERM handler: %s", strerror(ERRNO));
+ logmsg("cannot install SIGTERM handler: %s", strerror(errno));
else
siginterrupt(SIGTERM, 1);
#endif
+#if defined(SIGBREAK) && defined(WIN32)
+ /* handle SIGBREAK signal with our exit_signal_handler */
+ if((old_sigbreak_handler = signal(SIGBREAK, exit_signal_handler)) == SIG_ERR)
+ logmsg("cannot install SIGBREAK handler: %s", strerror(errno));
+ else
+ siginterrupt(SIGBREAK, 1);
+#endif
}
static void restore_signal_handlers(void)
if(SIG_ERR != old_sigterm_handler)
(void)signal(SIGTERM, old_sigterm_handler);
#endif
+#if defined(SIGBREAK) && defined(WIN32)
+ if(SIG_ERR != old_sigbreak_handler)
+ (void)signal(SIGBREAK, old_sigbreak_handler);
+#endif
}
+#ifdef WIN32
+/*
+ * read-wrapper to support reading from stdin on Windows.
+ */
+static ssize_t read_wincon(int fd, void *buf, size_t count)
+{
+ HANDLE handle = NULL;
+ DWORD mode, rcount = 0;
+ BOOL success;
+
+ if(fd == fileno(stdin)) {
+ handle = GetStdHandle(STD_INPUT_HANDLE);
+ }
+ else {
+ return read(fd, buf, count);
+ }
+
+ if(GetConsoleMode(handle, &mode)) {
+ success = ReadConsole(handle, buf, curlx_uztoul(count), &rcount, NULL);
+ }
+ else {
+ success = ReadFile(handle, buf, curlx_uztoul(count), &rcount, NULL);
+ }
+ if(success) {
+ return rcount;
+ }
+
+ errno = GetLastError();
+ return -1;
+}
+#undef read
+#define read(a,b,c) read_wincon(a,b,c)
+
+/*
+ * write-wrapper to support writing to stdout and stderr on Windows.
+ */
+static ssize_t write_wincon(int fd, const void *buf, size_t count)
+{
+ HANDLE handle = NULL;
+ DWORD mode, wcount = 0;
+ BOOL success;
+
+ if(fd == fileno(stdout)) {
+ handle = GetStdHandle(STD_OUTPUT_HANDLE);
+ }
+ else if(fd == fileno(stderr)) {
+ handle = GetStdHandle(STD_ERROR_HANDLE);
+ }
+ else {
+ return write(fd, buf, count);
+ }
+
+ if(GetConsoleMode(handle, &mode)) {
+ success = WriteConsole(handle, buf, curlx_uztoul(count), &wcount, NULL);
+ }
+ else {
+ success = WriteFile(handle, buf, curlx_uztoul(count), &wcount, NULL);
+ }
+ if(success) {
+ return wcount;
+ }
+
+ errno = GetLastError();
+ return -1;
+}
+#undef write
+#define write(a,b,c) write_wincon(a,b,c)
+#endif
+
/*
* fullread is a wrapper around the read() function. This will repeat the call
* to read() until it actually has read the complete number of bytes indicated
}
if(rc < 0) {
- error = ERRNO;
+ error = errno;
if((error == EINTR) || (error == EAGAIN))
continue;
- logmsg("unrecoverable read() failure: %s", strerror(error));
+ logmsg("reading from file descriptor: %d,", filedes);
+ logmsg("unrecoverable read() failure: (%d) %s",
+ error, strerror(error));
return -1;
}
}
if(wc < 0) {
- error = ERRNO;
+ error = errno;
if((error == EINTR) || (error == EAGAIN))
continue;
- logmsg("unrecoverable write() failure: %s", strerror(error));
+ logmsg("writing to file descriptor: %d,", filedes);
+ logmsg("unrecoverable write() failure: (%d) %s",
+ error, strerror(error));
return -1;
}
logmsg("'%s'", data);
}
+#ifdef USE_WINSOCK
/*
* WinSock select() does not support standard file descriptors,
* it can only check SOCKETs. The following function is an attempt
* to re-create a select() function with support for other handle types.
- */
-#ifdef USE_WINSOCK
-/*
- * select() function with support for WINSOCK2 sockets and all
- * other handle types supported by WaitForMultipleObjectsEx().
*
- * TODO: Differentiate between read/write/except for non-SOCKET handles.
+ * select() function with support for WINSOCK2 sockets and all
+ * other handle types supported by WaitForMultipleObjectsEx() as
+ * well as disk files, anonymous and names pipes, and character input.
*
* http://msdn.microsoft.com/en-us/library/windows/desktop/ms687028.aspx
* http://msdn.microsoft.com/en-us/library/windows/desktop/ms741572.aspx
*/
+struct select_ws_wait_data {
+ HANDLE handle; /* actual handle to wait for during select */
+ HANDLE event; /* internal event to abort waiting thread */
+};
+static DWORD WINAPI select_ws_wait_thread(LPVOID lpParameter)
+{
+ struct select_ws_wait_data *data;
+ HANDLE handle, handles[2];
+ INPUT_RECORD inputrecord;
+ LARGE_INTEGER size, pos;
+ DWORD type, length;
+
+ /* retrieve handles from internal structure */
+ data = (struct select_ws_wait_data *) lpParameter;
+ if(data) {
+ handle = data->handle;
+ handles[0] = data->event;
+ handles[1] = handle;
+ free(data);
+ }
+ else
+ return -1;
+
+ /* retrieve the type of file to wait on */
+ type = GetFileType(handle);
+ switch(type) {
+ case FILE_TYPE_DISK:
+ /* The handle represents a file on disk, this means:
+ * - WaitForMultipleObjectsEx will always be signalled for it.
+ * - comparison of current position in file and total size of
+ * the file can be used to check if we reached the end yet.
+ *
+ * Approach: Loop till either the internal event is signalled
+ * or if the end of the file has already been reached.
+ */
+ while(WaitForMultipleObjectsEx(2, handles, FALSE, INFINITE, FALSE)
+ == WAIT_OBJECT_0 + 1) {
+ /* get total size of file */
+ length = 0;
+ size.QuadPart = 0;
+ size.LowPart = GetFileSize(handle, &length);
+ if((size.LowPart != INVALID_FILE_SIZE) ||
+ (GetLastError() == NO_ERROR)) {
+ size.HighPart = length;
+ /* get the current position within the file */
+ pos.QuadPart = 0;
+ pos.LowPart = SetFilePointer(handle, 0, &pos.HighPart, FILE_CURRENT);
+ if((pos.LowPart != INVALID_SET_FILE_POINTER) ||
+ (GetLastError() == NO_ERROR)) {
+ /* compare position with size, abort if not equal */
+ if(size.QuadPart == pos.QuadPart) {
+ /* sleep and continue waiting */
+ SleepEx(0, FALSE);
+ continue;
+ }
+ }
+ }
+ /* there is some data available, stop waiting */
+ break;
+ }
+ break;
+
+ case FILE_TYPE_CHAR:
+ /* The handle represents a character input, this means:
+ * - WaitForMultipleObjectsEx will be signalled on any kind of input,
+ * including mouse and window size events we do not care about.
+ *
+ * Approach: Loop till either the internal event is signalled
+ * or we get signalled for an actual key-event.
+ */
+ while(WaitForMultipleObjectsEx(2, handles, FALSE, INFINITE, FALSE)
+ == WAIT_OBJECT_0 + 1) {
+ /* check if this is an actual console handle */
+ length = 0;
+ if(GetConsoleMode(handle, &length)) {
+ /* retrieve an event from the console buffer */
+ length = 0;
+ if(PeekConsoleInput(handle, &inputrecord, 1, &length)) {
+ /* check if the event is not an actual key-event */
+ if(length == 1 && inputrecord.EventType != KEY_EVENT) {
+ /* purge the non-key-event and continue waiting */
+ ReadConsoleInput(handle, &inputrecord, 1, &length);
+ continue;
+ }
+ }
+ }
+ /* there is some data available, stop waiting */
+ break;
+ }
+ break;
+
+ case FILE_TYPE_PIPE:
+ /* The handle represents an anonymous or named pipe, this means:
+ * - WaitForMultipleObjectsEx will always be signalled for it.
+ * - peek into the pipe and retrieve the amount of data available.
+ *
+ * Approach: Loop till either the internal event is signalled
+ * or there is data in the pipe available for reading.
+ */
+ while(WaitForMultipleObjectsEx(2, handles, FALSE, INFINITE, FALSE)
+ == WAIT_OBJECT_0 + 1) {
+ /* peek into the pipe and retrieve the amount of data available */
+ length = 0;
+ if(PeekNamedPipe(handle, NULL, 0, NULL, &length, NULL)) {
+ /* if there is no data available, sleep and continue waiting */
+ if(length == 0) {
+ SleepEx(0, FALSE);
+ continue;
+ }
+ }
+ else {
+ /* if the pipe has been closed, sleep and continue waiting */
+ if(GetLastError() == ERROR_BROKEN_PIPE) {
+ SleepEx(0, FALSE);
+ continue;
+ }
+ }
+ /* there is some data available, stop waiting */
+ break;
+ }
+ break;
+
+ default:
+ /* The handle has an unknown type, try to wait on it */
+ WaitForMultipleObjectsEx(2, handles, FALSE, INFINITE, FALSE);
+ break;
+ }
+
+ return 0;
+}
+static HANDLE select_ws_wait(HANDLE handle, HANDLE event)
+{
+ struct select_ws_wait_data *data;
+ HANDLE thread = NULL;
+
+ /* allocate internal waiting data structure */
+ data = malloc(sizeof(struct select_ws_wait_data));
+ if(data) {
+ data->handle = handle;
+ data->event = event;
+
+ /* launch waiting thread */
+ thread = CreateThread(NULL, 0,
+ &select_ws_wait_thread,
+ data, 0, NULL);
+
+ /* free data if thread failed to launch */
+ if(!thread) {
+ free(data);
+ }
+ }
+
+ return thread;
+}
+struct select_ws_data {
+ curl_socket_t fd; /* the original input handle (indexed by fds) */
+ curl_socket_t wsasock; /* the internal socket handle (indexed by wsa) */
+ WSAEVENT wsaevent; /* the internal WINSOCK2 event (indexed by wsa) */
+ HANDLE thread; /* the internal threads handle (indexed by thd) */
+};
static int select_ws(int nfds, fd_set *readfds, fd_set *writefds,
fd_set *exceptfds, struct timeval *timeout)
{
- long networkevents;
DWORD milliseconds, wait, idx;
- WSAEVENT wsaevent, *wsaevents;
WSANETWORKEVENTS wsanetevents;
- HANDLE *handles;
- int error, fds, *fdarr;
- DWORD nfd = 0, wsa = 0;
+ struct select_ws_data *data;
+ HANDLE handle, *handles;
+ curl_socket_t sock;
+ long networkevents;
+ WSAEVENT wsaevent;
+ int error, fds;
+ HANDLE waitevent = NULL;
+ DWORD nfd = 0, thd = 0, wsa = 0;
int ret = 0;
+ /* check if the input value is valid */
if(nfds < 0) {
- SET_SOCKERRNO(EINVAL);
+ errno = EINVAL;
return -1;
}
+ /* check if we got descriptors, sleep in case we got none */
if(!nfds) {
- Sleep(1000*timeout->tv_sec + timeout->tv_usec/1000);
+ Sleep((timeout->tv_sec * 1000) + (timeout->tv_usec / 1000));
return 0;
}
- /* allocate internal array for the original input handles */
- fdarr = malloc(nfds * sizeof(int));
- if(fdarr == NULL) {
+ /* create internal event to signal waiting threads */
+ waitevent = CreateEvent(NULL, TRUE, FALSE, NULL);
+ if(!waitevent) {
errno = ENOMEM;
return -1;
}
- /* allocate internal array for the internal event handles */
- handles = malloc(nfds * sizeof(HANDLE));
- if(handles == NULL) {
+ /* allocate internal array for the internal data */
+ data = malloc(nfds * sizeof(struct select_ws_data));
+ if(data == NULL) {
errno = ENOMEM;
return -1;
}
- /* allocate internal array for the internal WINSOCK2 events */
- wsaevents = malloc(nfds * sizeof(WSAEVENT));
- if(wsaevents == NULL) {
+ /* allocate internal array for the internal event handles */
+ handles = malloc(nfds * sizeof(HANDLE));
+ if(handles == NULL) {
+ free(data);
errno = ENOMEM;
return -1;
}
+ /* clear internal arrays */
+ memset(data, 0, nfds * sizeof(struct select_ws_data));
+ memset(handles, 0, nfds * sizeof(HANDLE));
+
/* loop over the handles in the input descriptor sets */
for(fds = 0; fds < nfds; fds++) {
networkevents = 0;
handles[nfd] = 0;
if(FD_ISSET(fds, readfds))
- networkevents |= FD_READ;
+ networkevents |= FD_READ|FD_ACCEPT|FD_CLOSE;
if(FD_ISSET(fds, writefds))
- networkevents |= FD_WRITE;
+ networkevents |= FD_WRITE|FD_CONNECT;
if(FD_ISSET(fds, exceptfds))
- networkevents |= FD_CLOSE;
+ networkevents |= FD_OOB|FD_CLOSE;
+ /* only wait for events for which we actually care */
if(networkevents) {
- fdarr[nfd] = fds;
+ data[nfd].fd = curlx_sitosk(fds);
if(fds == fileno(stdin)) {
- handles[nfd] = GetStdHandle(STD_INPUT_HANDLE);
+ handle = GetStdHandle(STD_INPUT_HANDLE);
+ handle = select_ws_wait(handle, waitevent);
+ handles[nfd] = handle;
+ data[thd].thread = handle;
+ thd++;
}
else if(fds == fileno(stdout)) {
handles[nfd] = GetStdHandle(STD_OUTPUT_HANDLE);
if(wsaevent != WSA_INVALID_EVENT) {
error = WSAEventSelect(fds, wsaevent, networkevents);
if(error != SOCKET_ERROR) {
- handles[nfd] = wsaevent;
- wsaevents[wsa++] = wsaevent;
+ handle = (HANDLE) wsaevent;
+ handles[nfd] = handle;
+ data[wsa].wsasock = curlx_sitosk(fds);
+ data[wsa].wsaevent = wsaevent;
+ wsa++;
}
else {
- handles[nfd] = (HANDLE) fds;
WSACloseEvent(wsaevent);
+ handle = (HANDLE) curlx_sitosk(fds);
+ handle = select_ws_wait(handle, waitevent);
+ handles[nfd] = handle;
+ data[thd].thread = handle;
+ thd++;
}
}
}
/* wait for one of the internal handles to trigger */
wait = WaitForMultipleObjectsEx(nfd, handles, FALSE, milliseconds, FALSE);
+ /* signal the event handle for the waiting threads */
+ SetEvent(waitevent);
+
/* loop over the internal handles returned in the descriptors */
for(idx = 0; idx < nfd; idx++) {
- if(wait != WAIT_OBJECT_0 + idx) {
- /* remove from all descriptor sets since this handle did not trigger */
- FD_CLR(fdarr[idx], readfds);
- FD_CLR(fdarr[idx], writefds);
- FD_CLR(fdarr[idx], exceptfds);
+ handle = handles[idx];
+ sock = data[idx].fd;
+ fds = curlx_sktosi(sock);
+
+ /* check if the current internal handle was triggered */
+ if(wait != WAIT_FAILED && (wait - WAIT_OBJECT_0) <= idx &&
+ WaitForSingleObjectEx(handle, 0, FALSE) == WAIT_OBJECT_0) {
+ /* first handle stdin, stdout and stderr */
+ if(fds == fileno(stdin)) {
+ /* stdin is never ready for write or exceptional */
+ FD_CLR(sock, writefds);
+ FD_CLR(sock, exceptfds);
+ }
+ else if(fds == fileno(stdout) || fds == fileno(stderr)) {
+ /* stdout and stderr are never ready for read or exceptional */
+ FD_CLR(sock, readfds);
+ FD_CLR(sock, exceptfds);
+ }
+ else {
+ /* try to handle the event with the WINSOCK2 functions */
+ wsanetevents.lNetworkEvents = 0;
+ error = WSAEnumNetworkEvents(fds, handle, &wsanetevents);
+ if(error != SOCKET_ERROR) {
+ /* remove from descriptor set if not ready for read/accept/close */
+ if(!(wsanetevents.lNetworkEvents & (FD_READ|FD_ACCEPT|FD_CLOSE)))
+ FD_CLR(sock, readfds);
+
+ /* remove from descriptor set if not ready for write/connect */
+ if(!(wsanetevents.lNetworkEvents & (FD_WRITE|FD_CONNECT)))
+ FD_CLR(sock, writefds);
+
+ /* HACK:
+ * use exceptfds together with readfds to signal
+ * that the connection was closed by the client.
+ *
+ * Reason: FD_CLOSE is only signaled once, sometimes
+ * at the same time as FD_READ with data being available.
+ * This means that recv/sread is not reliable to detect
+ * that the connection is closed.
+ */
+ /* remove from descriptor set if not exceptional */
+ if(!(wsanetevents.lNetworkEvents & (FD_OOB|FD_CLOSE)))
+ FD_CLR(sock, exceptfds);
+ }
+ }
+
+ /* check if the event has not been filtered using specific tests */
+ if(FD_ISSET(sock, readfds) || FD_ISSET(sock, writefds) ||
+ FD_ISSET(sock, exceptfds)) {
+ ret++;
+ }
}
else {
- /* first try to handle the event with the WINSOCK2 functions */
- error = WSAEnumNetworkEvents(fdarr[idx], NULL, &wsanetevents);
- if(error != SOCKET_ERROR) {
- /* remove from descriptor set if not ready for read */
- if(!(wsanetevents.lNetworkEvents & FD_READ))
- FD_CLR(fdarr[idx], readfds);
-
- /* remove from descriptor set if not ready for write */
- if(!(wsanetevents.lNetworkEvents & FD_WRITE))
- FD_CLR(fdarr[idx], writefds);
-
- /* remove from descriptor set if not exceptional */
- if(!(wsanetevents.lNetworkEvents & FD_CLOSE))
- FD_CLR(fdarr[idx], exceptfds);
- }
- ret++;
+ /* remove from all descriptor sets since this handle did not trigger */
+ FD_CLR(sock, readfds);
+ FD_CLR(sock, writefds);
+ FD_CLR(sock, exceptfds);
}
}
- for(idx = 0; idx < wsa; idx++)
- WSACloseEvent(wsaevents[idx]);
+ for(idx = 0; idx < wsa; idx++) {
+ WSAEventSelect(data[idx].wsasock, NULL, 0);
+ WSACloseEvent(data[idx].wsaevent);
+ }
+
+ for(idx = 0; idx < thd; idx++) {
+ WaitForSingleObject(data[idx].thread, INFINITE);
+ CloseHandle(data[idx].thread);
+ }
+
+ CloseHandle(waitevent);
- free(wsaevents);
free(handles);
- free(fdarr);
+ free(data);
return ret;
}
#define select(a,b,c,d,e) select_ws(a,b,c,d,e)
-#endif
+#endif /* USE_WINSOCK */
/*
sockfdp is a pointer to an established stream or CURL_SOCKET_BAD
FD_ZERO(&fds_write);
FD_ZERO(&fds_err);
- FD_SET(fileno(stdin), &fds_read);
+ FD_SET((curl_socket_t)fileno(stdin), &fds_read);
switch(*mode) {
else {
/* there's always a socket to wait for */
FD_SET(sockfd, &fds_read);
+#ifdef USE_WINSOCK
+ FD_SET(sockfd, &fds_err);
+#endif
maxfd = (int)sockfd;
}
break;
/* sockfd turns CURL_SOCKET_BAD when our connection has been closed */
if(CURL_SOCKET_BAD != sockfd) {
FD_SET(sockfd, &fds_read);
+#ifdef USE_WINSOCK
+ FD_SET(sockfd, &fds_err);
+#endif
maxfd = (int)sockfd;
}
else {
return FALSE;
}
- } while((rc == -1) && ((error = SOCKERRNO) == EINTR));
+ } while((rc == -1) && ((error = errno) == EINTR));
if(rc < 0) {
logmsg("select() failed with error: (%d) %s",
if((sockfd != CURL_SOCKET_BAD) && (FD_ISSET(sockfd, &fds_read)) ) {
+ curl_socket_t newfd = CURL_SOCKET_BAD; /* newly accepted socket */
+
if(*mode == PASSIVE_LISTEN) {
/* there's no stream set up yet, this is an indication that there's a
client connecting. */
- sockfd = accept(sockfd, NULL, NULL);
- if(CURL_SOCKET_BAD == sockfd)
- logmsg("accept() failed");
+ newfd = accept(sockfd, NULL, NULL);
+ if(CURL_SOCKET_BAD == newfd) {
+ error = SOCKERRNO;
+ logmsg("accept(%d, NULL, NULL) failed with error: (%d) %s",
+ sockfd, error, strerror(error));
+ }
else {
logmsg("====> Client connect");
if(!write_stdout("CNCT\n", 5))
return FALSE;
- *sockfdp = sockfd; /* store the new socket */
+ *sockfdp = newfd; /* store the new socket */
*mode = PASSIVE_CONNECT; /* we have connected */
}
return TRUE;
/* read from socket, pass on data to stdout */
nread_socket = sread(sockfd, buffer, sizeof(buffer));
- if(nread_socket <= 0) {
+ if(nread_socket > 0) {
+ snprintf(data, sizeof(data), "DATA\n%04zx\n", nread_socket);
+ if(!write_stdout(data, 10))
+ return FALSE;
+ if(!write_stdout(buffer, nread_socket))
+ return FALSE;
+
+ logmsg("< %zd bytes data, client => server", nread_socket);
+ lograw(buffer, nread_socket);
+ }
+
+ if(nread_socket <= 0
+#ifdef USE_WINSOCK
+ || FD_ISSET(sockfd, &fds_err)
+#endif
+ ) {
logmsg("====> Client disconnect");
if(!write_stdout("DISC\n", 5))
return FALSE;
*mode = ACTIVE_DISCONNECT;
return TRUE;
}
-
- snprintf(data, sizeof(data), "DATA\n%04zx\n", nread_socket);
- if(!write_stdout(data, 10))
- return FALSE;
- if(!write_stdout(buffer, nread_socket))
- return FALSE;
-
- logmsg("< %zd bytes data, client => server", nread_socket);
- lograw(buffer, nread_socket);
}
return TRUE;
rc = wait_ms(delay);
if(rc) {
/* should not happen */
- error = SOCKERRNO;
+ error = errno;
logmsg("wait_ms() failed with error: (%d) %s",
error, strerror(error));
sclose(sock);
rc = listen(sock, 5);
if(0 != rc) {
error = SOCKERRNO;
- logmsg("listen() failed with error: (%d) %s",
- error, strerror(error));
+ logmsg("listen(%d, 5) failed with error: (%d) %s",
+ sock, error, strerror(error));
sclose(sock);
return CURL_SOCKET_BAD;
}
#ifdef WIN32
win32_init();
atexit(win32_cleanup);
+
+ setmode(fileno(stdin), O_BINARY);
+ setmode(fileno(stdout), O_BINARY);
+ setmode(fileno(stderr), O_BINARY);
#endif
install_signal_handlers();
projects / platform / upstream / curl.git / blobdiff