* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2015, 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
- * are also available at http://curl.haxx.se/docs/copyright.html.
+ * are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
*
***************************************************************************/
-#include "setup.h"
+#include "curl_setup.h"
#ifndef CURL_DISABLE_TELNET
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#include "telnet.h"
#include "connect.h"
#include "progress.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
+#include "curl_printf.h"
+#include "system_win32.h"
#define TELOPTS
#define TELCMDS
#include "arpa_telnet.h"
-#include "curl_memory.h"
#include "select.h"
#include "strequal.h"
#include "rawstr.h"
+#include "warnless.h"
-/* The last #include file should be: */
+/* The last #include files should be: */
+#include "curl_memory.h"
#include "memdebug.h"
#define SUBBUFSIZE 512
-#define CURL_SB_CLEAR(x) x->subpointer = x->subbuffer;
-#define CURL_SB_TERM(x) { x->subend = x->subpointer; CURL_SB_CLEAR(x); }
-#define CURL_SB_ACCUM(x,c) \
- if(x->subpointer < (x->subbuffer+sizeof x->subbuffer)) { \
- *x->subpointer++ = (c); \
- }
+#define CURL_SB_CLEAR(x) x->subpointer = x->subbuffer
+#define CURL_SB_TERM(x) \
+ do { \
+ x->subend = x->subpointer; \
+ CURL_SB_CLEAR(x); \
+ } WHILE_FALSE
+#define CURL_SB_ACCUM(x,c) \
+ do { \
+ if(x->subpointer < (x->subbuffer+sizeof x->subbuffer)) \
+ *x->subpointer++ = (c); \
+ } WHILE_FALSE
#define CURL_SB_GET(x) ((*x->subpointer++)&0xff)
#define CURL_SB_PEEK(x) ((*x->subpointer)&0xff)
int direction, unsigned char *pointer,
size_t length);
static void suboption(struct connectdata *);
+static void sendsuboption(struct connectdata *conn, int option);
static CURLcode telnet_do(struct connectdata *conn, bool *done);
static CURLcode telnet_done(struct connectdata *conn,
CURLcode, bool premature);
+static CURLcode send_telnet_data(struct connectdata *conn,
+ char *buffer, ssize_t nread);
/* For negotiation compliant to RFC 1143 */
#define CURL_NO 0
int him[256];
int himq[256];
int him_preferred[256];
+ int subnegotiation[256];
char subopt_ttype[32]; /* Set with suboption TTYPE */
- char subopt_xdisploc[128]; /* Set with suboption XDISPLOC */
- struct curl_slist *telnet_vars; /* Environment variables */
+ char subopt_xdisploc[128]; /* Set with suboption XDISPLOC */
+ unsigned short subopt_wsx; /* Set with suboption NAWS */
+ unsigned short subopt_wsy; /* Set with suboption NAWS */
+ struct curl_slist *telnet_vars; /* Environment variables */
/* suboptions */
unsigned char subbuffer[SUBBUFSIZE];
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_getsock */
ZERO_NULL, /* doing_getsock */
+ ZERO_NULL, /* domore_getsock */
ZERO_NULL, /* perform_getsock */
ZERO_NULL, /* disconnect */
ZERO_NULL, /* readwrite */
PORT_TELNET, /* defport */
CURLPROTO_TELNET, /* protocol */
- PROTOPT_NONE /* flags */
+ PROTOPT_NONE | PROTOPT_NOURLQUERY /* flags */
};
if(LOBYTE(wsaData.wVersion) != LOBYTE(wVersionRequested) ||
HIBYTE(wsaData.wVersion) != HIBYTE(wVersionRequested)) {
/* Our version isn't supported */
- failf(data,"insufficient winsock version to support "
- "telnet");
- return CURLE_FAILED_INIT;
+ failf(data, "insufficient winsock version to support "
+ "telnet");
+ return CURLE_FAILED_INIT;
}
/* Our version is supported */
if(!tn)
return CURLE_OUT_OF_MEMORY;
- conn->data->state.proto.telnet = (void *)tn; /* make us known */
+ conn->data->req.protop = tn; /* make us known */
tn->telrcv_state = CURL_TS_DATA;
CURL_SB_CLEAR(tn);
/* Set the options we want by default */
- tn->us_preferred[CURL_TELOPT_BINARY] = CURL_YES;
tn->us_preferred[CURL_TELOPT_SGA] = CURL_YES;
- tn->him_preferred[CURL_TELOPT_BINARY] = CURL_YES;
tn->him_preferred[CURL_TELOPT_SGA] = CURL_YES;
+ /* To be compliant with previous releases of libcurl
+ we enable this option by default. This behaviour
+ can be changed thanks to the "BINARY" option in
+ CURLOPT_TELNETOPTIONS
+ */
+ tn->us_preferred[CURL_TELOPT_BINARY] = CURL_YES;
+ tn->him_preferred[CURL_TELOPT_BINARY] = CURL_YES;
+
+ /* We must allow the server to echo what we sent
+ but it is not necessary to request the server
+ to do so (it might forces the server to close
+ the connection). Hence, we ignore ECHO in the
+ negotiate function
+ */
+ tn->him_preferred[CURL_TELOPT_ECHO] = CURL_YES;
+
+ /* Set the subnegotiation fields to send information
+ just after negotiation passed (do/will)
+
+ Default values are (0,0) initialized by calloc.
+ According to the RFC1013 it is valid:
+ A value equal to zero is acceptable for the width (or height),
+ and means that no character width (or height) is being sent.
+ In this case, the width (or height) that will be assumed by the
+ Telnet server is operating system specific (it will probably be
+ based upon the terminal type information that may have been sent
+ using the TERMINAL TYPE Telnet option). */
+ tn->subnegotiation[CURL_TELOPT_NAWS] = CURL_YES;
return CURLE_OK;
}
static void negotiate(struct connectdata *conn)
{
int i;
- struct TELNET *tn = (struct TELNET *) conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *) conn->data->req.protop;
for(i = 0;i < CURL_NTELOPTS;i++) {
+ if(i==CURL_TELOPT_ECHO)
+ continue;
+
if(tn->us_preferred[i] == CURL_YES)
set_local_option(conn, i, CURL_YES);
static
void set_remote_option(struct connectdata *conn, int option, int newstate)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
if(newstate == CURL_YES) {
switch(tn->him[option]) {
case CURL_NO:
static
void rec_will(struct connectdata *conn, int option)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
switch(tn->him[option]) {
case CURL_NO:
if(tn->him_preferred[option] == CURL_YES) {
static
void rec_wont(struct connectdata *conn, int option)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
switch(tn->him[option]) {
case CURL_NO:
/* Already disabled */
static void
set_local_option(struct connectdata *conn, int option, int newstate)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
if(newstate == CURL_YES) {
switch(tn->us[option]) {
case CURL_NO:
static
void rec_do(struct connectdata *conn, int option)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
switch(tn->us[option]) {
case CURL_NO:
if(tn->us_preferred[option] == CURL_YES) {
tn->us[option] = CURL_YES;
send_negotiation(conn, CURL_WILL, option);
+ if(tn->subnegotiation[option] == CURL_YES)
+ /* transmission of data option */
+ sendsuboption(conn, option);
+ }
+ else if(tn->subnegotiation[option] == CURL_YES) {
+ /* send information to achieve this option*/
+ tn->us[option] = CURL_YES;
+ send_negotiation(conn, CURL_WILL, option);
+ sendsuboption(conn, option);
}
else
send_negotiation(conn, CURL_WONT, option);
switch(tn->usq[option]) {
case CURL_EMPTY:
tn->us[option] = CURL_YES;
+ if(tn->subnegotiation[option] == CURL_YES) {
+ /* transmission of data option */
+ sendsuboption(conn, option);
+ }
break;
case CURL_OPPOSITE:
tn->us[option] = CURL_WANTNO;
static
void rec_dont(struct connectdata *conn, int option)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
switch(tn->us[option]) {
case CURL_NO:
/* Already disabled */
if(CURL_TELOPT_OK(pointer[0])) {
switch(pointer[0]) {
- case CURL_TELOPT_TTYPE:
- case CURL_TELOPT_XDISPLOC:
- case CURL_TELOPT_NEW_ENVIRON:
- infof(data, "%s", CURL_TELOPT(pointer[0]));
- break;
- default:
- infof(data, "%s (unsupported)", CURL_TELOPT(pointer[0]));
- break;
+ case CURL_TELOPT_TTYPE:
+ case CURL_TELOPT_XDISPLOC:
+ case CURL_TELOPT_NEW_ENVIRON:
+ case CURL_TELOPT_NAWS:
+ infof(data, "%s", CURL_TELOPT(pointer[0]));
+ break;
+ default:
+ infof(data, "%s (unsupported)", CURL_TELOPT(pointer[0]));
+ break;
}
}
else
infof(data, "%d (unknown)", pointer[i]);
- switch(pointer[1]) {
+ switch(pointer[0]) {
+ case CURL_TELOPT_NAWS:
+ if(length > 4)
+ infof(data, "Width: %hu ; Height: %hu", (pointer[1]<<8) | pointer[2],
+ (pointer[3]<<8) | pointer[4]);
+ break;
+ default:
+ switch(pointer[1]) {
case CURL_TELQUAL_IS:
infof(data, " IS");
break;
case CURL_TELQUAL_NAME:
infof(data, " NAME");
break;
- }
+ }
- switch(pointer[0]) {
+ switch(pointer[0]) {
case CURL_TELOPT_TTYPE:
case CURL_TELOPT_XDISPLOC:
pointer[length] = 0;
infof(data, " ");
for(i = 3;i < length;i++) {
switch(pointer[i]) {
- case CURL_NEW_ENV_VAR:
- infof(data, ", ");
- break;
- case CURL_NEW_ENV_VALUE:
- infof(data, " = ");
- break;
- default:
- infof(data, "%c", pointer[i]);
- break;
+ case CURL_NEW_ENV_VAR:
+ infof(data, ", ");
+ break;
+ case CURL_NEW_ENV_VALUE:
+ infof(data, " = ");
+ break;
+ default:
+ infof(data, "%c", pointer[i]);
+ break;
}
}
}
for(i = 2; i < length; i++)
infof(data, " %.2x", pointer[i]);
break;
+ }
}
-
if(direction)
infof(data, "\n");
}
{
struct curl_slist *head;
struct curl_slist *beg;
- char option_keyword[128];
- char option_arg[256];
- char *buf;
+ char option_keyword[128] = "";
+ char option_arg[256] = "";
struct SessionHandle *data = conn->data;
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
CURLcode result = CURLE_OK;
+ int binary_option;
/* Add the user name as an environment variable if it
was given on the command line */
continue;
}
+ /* Window Size */
+ if(Curl_raw_equal(option_keyword, "WS")) {
+ if(sscanf(option_arg, "%hu%*[xX]%hu",
+ &tn->subopt_wsx, &tn->subopt_wsy) == 2)
+ tn->us_preferred[CURL_TELOPT_NAWS] = CURL_YES;
+ else {
+ failf(data, "Syntax error in telnet option: %s", head->data);
+ result = CURLE_TELNET_OPTION_SYNTAX;
+ break;
+ }
+ continue;
+ }
+
+ /* To take care or not of the 8th bit in data exchange */
+ if(Curl_raw_equal(option_keyword, "BINARY")) {
+ binary_option=atoi(option_arg);
+ if(binary_option!=1) {
+ tn->us_preferred[CURL_TELOPT_BINARY] = CURL_NO;
+ tn->him_preferred[CURL_TELOPT_BINARY] = CURL_NO;
+ }
+ continue;
+ }
+
failf(data, "Unknown telnet option %s", head->data);
result = CURLE_UNKNOWN_TELNET_OPTION;
break;
size_t len;
size_t tmplen;
int err;
- char varname[128];
- char varval[128];
+ char varname[128] = "";
+ char varval[128] = "";
struct SessionHandle *data = conn->data;
- struct TELNET *tn = (struct TELNET *)data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)data->req.protop;
printsub(data, '<', (unsigned char *)tn->subbuffer, CURL_SB_LEN(tn)+2);
switch (CURL_SB_GET(tn)) {
tmplen = (strlen(v->data) + 1);
/* Add the variable only if it fits */
if(len + tmplen < (int)sizeof(temp)-6) {
- sscanf(v->data, "%127[^,],%127s", varname, varval);
- snprintf((char *)&temp[len], sizeof(temp) - len,
- "%c%s%c%s", CURL_NEW_ENV_VAR, varname,
- CURL_NEW_ENV_VALUE, varval);
- len += tmplen;
+ if(sscanf(v->data, "%127[^,],%127s", varname, varval)) {
+ snprintf((char *)&temp[len], sizeof(temp) - len,
+ "%c%s%c%s", CURL_NEW_ENV_VAR, varname,
+ CURL_NEW_ENV_VALUE, varval);
+ len += tmplen;
+ }
}
}
snprintf((char *)&temp[len], sizeof(temp) - len,
return;
}
+
+/*
+ * sendsuboption()
+ *
+ * Send suboption information to the server side.
+ */
+
+static void sendsuboption(struct connectdata *conn, int option)
+{
+ ssize_t bytes_written;
+ int err;
+ unsigned short x, y;
+ unsigned char*uc1, *uc2;
+
+ struct SessionHandle *data = conn->data;
+ struct TELNET *tn = (struct TELNET *)data->req.protop;
+
+ switch (option) {
+ case CURL_TELOPT_NAWS:
+ /* We prepare data to be sent */
+ CURL_SB_CLEAR(tn);
+ CURL_SB_ACCUM(tn, CURL_IAC);
+ CURL_SB_ACCUM(tn, CURL_SB);
+ CURL_SB_ACCUM(tn, CURL_TELOPT_NAWS);
+ /* We must deal either with litte or big endien processors */
+ /* Window size must be sent according to the 'network order' */
+ x=htons(tn->subopt_wsx);
+ y=htons(tn->subopt_wsy);
+ uc1 = (unsigned char*)&x;
+ uc2 = (unsigned char*)&y;
+ CURL_SB_ACCUM(tn, uc1[0]);
+ CURL_SB_ACCUM(tn, uc1[1]);
+ CURL_SB_ACCUM(tn, uc2[0]);
+ CURL_SB_ACCUM(tn, uc2[1]);
+
+ CURL_SB_ACCUM(tn, CURL_IAC);
+ CURL_SB_ACCUM(tn, CURL_SE);
+ CURL_SB_TERM(tn);
+ /* data suboption is now ready */
+
+ printsub(data, '>', (unsigned char *)tn->subbuffer+2,
+ CURL_SB_LEN(tn)-2);
+
+ /* we send the header of the suboption... */
+ bytes_written = swrite(conn->sock[FIRSTSOCKET], tn->subbuffer, 3);
+ if(bytes_written < 0) {
+ err = SOCKERRNO;
+ failf(data, "Sending data failed (%d)", err);
+ }
+ /* ... then the window size with the send_telnet_data() function
+ to deal with 0xFF cases ... */
+ send_telnet_data(conn, (char *)tn->subbuffer+3, 4);
+ /* ... and the footer */
+ bytes_written = swrite(conn->sock[FIRSTSOCKET], tn->subbuffer+7, 2);
+ if(bytes_written < 0) {
+ err = SOCKERRNO;
+ failf(data, "Sending data failed (%d)", err);
+ }
+ break;
+ }
+}
+
+
static
CURLcode telrcv(struct connectdata *conn,
const unsigned char *inbuf, /* Data received from socket */
int in = 0;
int startwrite=-1;
struct SessionHandle *data = conn->data;
- struct TELNET *tn = (struct TELNET *)data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)data->req.protop;
#define startskipping() \
if(startwrite >= 0) { \
CLIENTWRITE_BODY, \
(char *)&inbuf[startwrite], \
in-startwrite); \
- if(result != CURLE_OK) \
+ if(result) \
return result; \
} \
startwrite = -1
if(c == CURL_IAC)
tn->telrcv_state = CURL_TS_SE;
else
- CURL_SB_ACCUM(tn,c);
+ CURL_SB_ACCUM(tn, c);
break;
case CURL_TS_SE:
tn->telrcv_state = CURL_TS_IAC;
goto process_iac;
}
- CURL_SB_ACCUM(tn,c);
+ CURL_SB_ACCUM(tn, c);
tn->telrcv_state = CURL_TS_SB;
}
else
unsigned char outbuf[2];
ssize_t bytes_written, total_written;
int out_count;
- CURLcode rc = CURLE_OK;
+ CURLcode result = CURLE_OK;
- while(rc == CURLE_OK && nread--) {
+ while(!result && nread--) {
outbuf[0] = *buffer++;
out_count = 1;
if(outbuf[0] == CURL_IAC)
switch (Curl_poll(pfd, 1, -1)) {
case -1: /* error, abort writing */
case 0: /* timeout (will never happen) */
- rc = CURLE_SEND_ERROR;
+ result = CURLE_SEND_ERROR;
break;
default: /* write! */
bytes_written = 0;
- rc = Curl_write(conn, conn->sock[FIRSTSOCKET], outbuf+total_written,
- out_count-total_written, &bytes_written);
+ result = Curl_write(conn, conn->sock[FIRSTSOCKET],
+ outbuf+total_written, out_count-total_written,
+ &bytes_written);
total_written += bytes_written;
break;
}
- /* handle partial write */
- } while(rc == CURLE_OK && total_written < out_count);
+ /* handle partial write */
+ } while(!result && total_written < out_count);
}
- return rc;
+ return result;
}
static CURLcode telnet_done(struct connectdata *conn,
CURLcode status, bool premature)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
(void)status; /* unused */
(void)premature; /* not used */
+ if(!tn)
+ return CURLE_OK;
+
curl_slist_free_all(tn->telnet_vars);
tn->telnet_vars = NULL;
- free(conn->data->state.proto.telnet);
- conn->data->state.proto.telnet = NULL;
+ Curl_safefree(conn->data->req.protop);
return CURLE_OK;
}
static CURLcode telnet_do(struct connectdata *conn, bool *done)
{
- CURLcode code;
+ CURLcode result;
struct SessionHandle *data = conn->data;
curl_socket_t sockfd = conn->sock[FIRSTSOCKET];
#ifdef USE_WINSOCK
*done = TRUE; /* unconditionally */
- code = init_telnet(conn);
- if(code)
- return code;
+ result = init_telnet(conn);
+ if(result)
+ return result;
- tn = (struct TELNET *)data->state.proto.telnet;
+ tn = (struct TELNET *)data->req.protop;
- code = check_telnet_options(conn);
- if(code)
- return code;
+ result = check_telnet_options(conn);
+ if(result)
+ return result;
#ifdef USE_WINSOCK
/*
** This functionality only works with WinSock >= 2.0. So,
** make sure have it.
*/
- code = check_wsock2(data);
- if(code)
- return code;
+ result = check_wsock2(data);
+ if(result)
+ return result;
/* OK, so we have WinSock 2.0. We need to dynamically */
/* load ws2_32.dll and get the function pointers we need. */
- wsock2 = LoadLibrary("WS2_32.DLL");
+ wsock2 = Curl_load_library(TEXT("WS2_32.DLL"));
if(wsock2 == NULL) {
- failf(data,"failed to load WS2_32.DLL (%d)", ERRNO);
+ failf(data, "failed to load WS2_32.DLL (%d)", ERRNO);
return CURLE_FAILED_INIT;
}
/* Grab a pointer to WSACreateEvent */
- create_event_func = GetProcAddress(wsock2,"WSACreateEvent");
+ create_event_func = GetProcAddress(wsock2, "WSACreateEvent");
if(create_event_func == NULL) {
- failf(data,"failed to find WSACreateEvent function (%d)",
- ERRNO);
+ failf(data, "failed to find WSACreateEvent function (%d)", ERRNO);
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
/* And WSACloseEvent */
- close_event_func = GetProcAddress(wsock2,"WSACloseEvent");
+ close_event_func = GetProcAddress(wsock2, "WSACloseEvent");
if(close_event_func == NULL) {
- failf(data,"failed to find WSACloseEvent function (%d)",
- ERRNO);
+ failf(data, "failed to find WSACloseEvent function (%d)", ERRNO);
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
/* And WSAEventSelect */
- event_select_func = GetProcAddress(wsock2,"WSAEventSelect");
+ event_select_func = GetProcAddress(wsock2, "WSAEventSelect");
if(event_select_func == NULL) {
- failf(data,"failed to find WSAEventSelect function (%d)",
- ERRNO);
+ failf(data, "failed to find WSAEventSelect function (%d)", ERRNO);
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
/* And WSAEnumNetworkEvents */
- enum_netevents_func = GetProcAddress(wsock2,"WSAEnumNetworkEvents");
+ enum_netevents_func = GetProcAddress(wsock2, "WSAEnumNetworkEvents");
if(enum_netevents_func == NULL) {
- failf(data,"failed to find WSAEnumNetworkEvents function (%d)",
- ERRNO);
+ failf(data, "failed to find WSAEnumNetworkEvents function (%d)", ERRNO);
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
/* First, create a sockets event object */
event_handle = (WSAEVENT)create_event_func();
if(event_handle == WSA_INVALID_EVENT) {
- failf(data,"WSACreateEvent failed (%d)", SOCKERRNO);
+ failf(data, "WSACreateEvent failed (%d)", SOCKERRNO);
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
case WAIT_TIMEOUT:
{
for(;;) {
- if(obj_count == 1) {
+ if(data->set.is_fread_set) {
/* read from user-supplied method */
- code = (int)conn->fread_func(buf, 1, BUFSIZE - 1, conn->fread_in);
- if(code == CURL_READFUNC_ABORT) {
+ result = (int)data->state.fread_func(buf, 1, BUFSIZE - 1,
+ data->state.in);
+ if(result == CURL_READFUNC_ABORT) {
keepon = FALSE;
- code = CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
break;
}
- if(code == CURL_READFUNC_PAUSE)
+ if(result == CURL_READFUNC_PAUSE)
break;
- if(code == 0) /* no bytes */
+ if(result == 0) /* no bytes */
break;
- readfile_read = code; /* fall thru with number of bytes read */
+ readfile_read = result; /* fall thru with number of bytes read */
}
else {
/* read from stdin */
if(!PeekNamedPipe(stdin_handle, NULL, 0, NULL,
&readfile_read, NULL)) {
keepon = FALSE;
- code = CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
break;
}
if(!ReadFile(stdin_handle, buf, sizeof(data->state.buffer),
&readfile_read, NULL)) {
keepon = FALSE;
- code = CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
break;
}
}
- code = send_telnet_data(conn, buf, readfile_read);
- if(code) {
+ result = send_telnet_data(conn, buf, readfile_read);
+ if(result) {
keepon = FALSE;
break;
}
if(!ReadFile(stdin_handle, buf, sizeof(data->state.buffer),
&readfile_read, NULL)) {
keepon = FALSE;
- code = CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
break;
}
- code = send_telnet_data(conn, buf, readfile_read);
- if(code) {
+ result = send_telnet_data(conn, buf, readfile_read);
+ if(result) {
keepon = FALSE;
break;
}
case WAIT_OBJECT_0:
+ events.lNetworkEvents = 0;
if(SOCKET_ERROR == enum_netevents_func(sockfd, event_handle, &events)) {
if((err = SOCKERRNO) != EINPROGRESS) {
- infof(data,"WSAEnumNetworkEvents failed (%d)", err);
+ infof(data, "WSAEnumNetworkEvents failed (%d)", err);
keepon = FALSE;
- code = CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
}
break;
}
if(events.lNetworkEvents & FD_READ) {
/* read data from network */
- code = Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
+ result = Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
/* read would've blocked. Loop again */
- if(code == CURLE_AGAIN)
+ if(result == CURLE_AGAIN)
break;
/* returned not-zero, this an error */
- else if(code) {
+ else if(result) {
keepon = FALSE;
break;
}
break;
}
- code = telrcv(conn, (unsigned char *)buf, nread);
- if(code) {
+ result = telrcv(conn, (unsigned char *) buf, nread);
+ if(result) {
keepon = FALSE;
break;
}
now = Curl_tvnow();
if(Curl_tvdiff(now, conn->created) >= data->set.timeout) {
failf(data, "Time-out");
- code = CURLE_OPERATION_TIMEDOUT;
+ result = CURLE_OPERATION_TIMEDOUT;
keepon = FALSE;
}
}
/* We called WSACreateEvent, so call WSACloseEvent */
if(!close_event_func(event_handle)) {
- infof(data,"WSACloseEvent failed (%d)", SOCKERRNO);
+ infof(data, "WSACloseEvent failed (%d)", SOCKERRNO);
}
/* "Forget" pointers into the library we're about to free */
/* We called LoadLibrary, so call FreeLibrary */
if(!FreeLibrary(wsock2))
- infof(data,"FreeLibrary(wsock2) failed (%d)", ERRNO);
+ infof(data, "FreeLibrary(wsock2) failed (%d)", ERRNO);
#else
pfd[0].fd = sockfd;
pfd[0].events = POLLIN;
interval_ms = 100; /* poll user-supplied read function */
}
else {
- pfd[1].fd = 0;
+ /* really using fread, so infile is a FILE* */
+ pfd[1].fd = fileno((FILE *)data->state.in);
pfd[1].events = POLLIN;
poll_cnt = 2;
interval_ms = 1 * 1000;
default: /* read! */
if(pfd[0].revents & POLLIN) {
/* read data from network */
- code = Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
+ result = Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
/* read would've blocked. Loop again */
- if(code == CURLE_AGAIN)
+ if(result == CURLE_AGAIN)
break;
/* returned not-zero, this an error */
- else if(code) {
+ else if(result) {
keepon = FALSE;
break;
}
total_dl += nread;
Curl_pgrsSetDownloadCounter(data, total_dl);
- code = telrcv(conn, (unsigned char *)buf, nread);
- if(code) {
+ result = telrcv(conn, (unsigned char *)buf, nread);
+ if(result) {
keepon = FALSE;
break;
}
nread = 0;
if(poll_cnt == 2) {
- if(pfd[1].revents & POLLIN) { /* read from stdin */
- nread = read(0, buf, BUFSIZE - 1);
+ if(pfd[1].revents & POLLIN) { /* read from in file */
+ nread = read(pfd[1].fd, buf, BUFSIZE - 1);
}
}
else {
/* read from user-supplied method */
- nread = (int)conn->fread_func(buf, 1, BUFSIZE - 1, conn->fread_in);
+ nread = (int)data->state.fread_func(buf, 1, BUFSIZE - 1,
+ data->state.in);
if(nread == CURL_READFUNC_ABORT) {
keepon = FALSE;
break;
}
if(nread > 0) {
- code = send_telnet_data(conn, buf, nread);
- if(code) {
+ result = send_telnet_data(conn, buf, nread);
+ if(result) {
keepon = FALSE;
break;
}
now = Curl_tvnow();
if(Curl_tvdiff(now, conn->created) >= data->set.timeout) {
failf(data, "Time-out");
- code = CURLE_OPERATION_TIMEDOUT;
+ result = CURLE_OPERATION_TIMEDOUT;
keepon = FALSE;
}
}
if(Curl_pgrsUpdate(conn)) {
- code = CURLE_ABORTED_BY_CALLBACK;
+ result = CURLE_ABORTED_BY_CALLBACK;
break;
}
}
/* mark this as "no further transfer wanted" */
Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
- return code;
+ return result;
}
#endif