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version 1.1, 2011/10/04 22:37:46
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version 1.3, 2012/01/23 10:34:12
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| * $Author$ |
* $Author$ |
| * $Id$ |
* $Id$ |
| * |
* |
| *************************************************************************/ | ************************************************************************* |
| | The ELWIX and AITNET software is distributed under the following |
| | terms: |
| | |
| | All of the documentation and software included in the ELWIX and AITNET |
| | Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
| | |
| | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| | by Michael Pounov <misho@elwix.org>. All rights reserved. |
| | |
| | Redistribution and use in source and binary forms, with or without |
| | modification, are permitted provided that the following conditions |
| | are met: |
| | 1. Redistributions of source code must retain the above copyright |
| | notice, this list of conditions and the following disclaimer. |
| | 2. Redistributions in binary form must reproduce the above copyright |
| | notice, this list of conditions and the following disclaimer in the |
| | documentation and/or other materials provided with the distribution. |
| | 3. All advertising materials mentioning features or use of this software |
| | must display the following acknowledgement: |
| | This product includes software developed by Michael Pounov <misho@elwix.org> |
| | ELWIX - Embedded LightWeight unIX and its contributors. |
| | 4. Neither the name of AITNET nor the names of its contributors |
| | may be used to endorse or promote products derived from this software |
| | without specific prior written permission. |
| | |
| | THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
| | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | SUCH DAMAGE. |
| | */ |
| #include "global.h" |
#include "global.h" |
| |
|
| |
|
| static int |
static int |
| SetRemoteWinz(int h, u_short id, struct sockaddr *sa, u_char *buf, int buflen) | SetRemoteWinz(int h, u_short id, io_sockaddr_t *sa, u_char *buf, int buflen) |
| { |
{ |
| u_short *pos = (u_short*) buf; |
u_short *pos = (u_short*) buf; |
| struct winsize ws; |
struct winsize ws; |
|
Line 27 SetRemoteWinz(int h, u_short id, struct sockaddr *sa,
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Line 64 SetRemoteWinz(int h, u_short id, struct sockaddr *sa,
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| pos[1] = htons(ws.ws_col); |
pos[1] = htons(ws.ws_col); |
| pos[2] = htons(ws.ws_xpixel); |
pos[2] = htons(ws.ws_xpixel); |
| pos[3] = htons(ws.ws_ypixel); |
pos[3] = htons(ws.ws_ypixel); |
| if (icmpSend(h, id, ANSH_FLG_WINZ, buf, sizeof ws, sa, sizeof(struct sockaddr)) == -1) | if (icmpSend(h, 0, id, ANSH_FLG_WINZ, Crypted, buf, sizeof ws, sa, sa->sa.sa_len) == -1) |
| return -1; |
return -1; |
| |
|
| return 0; |
return 0; |
| } |
} |
| |
|
| int |
int |
| ConnectL3(int h, u_short id, struct sockaddr *sa, int len) | ConnectL3(int h, u_short id, io_sockaddr_t *sa, int len) |
| { |
{ |
| fd_set rfd; |
fd_set rfd; |
| struct timeval tv = { Timeout, 0 }; |
struct timeval tv = { Timeout, 0 }; |
| struct termios otio; |
struct termios otio; |
| int rlen, ret = 0; |
int rlen, ret = 0; |
| u_short aid; |
u_short aid; |
| struct sockaddr s; | io_sockaddr_t s; |
| char flg; | char flg, nl = 0; |
| u_char *buf; | u_char *buf, *str; |
| socklen_t sl; |
socklen_t sl; |
| |
u_int sq, Seq = 0; |
| |
|
| FTRACE(3); |
FTRACE(3); |
| |
|
|
Line 68 ConnectL3(int h, u_short id, struct sockaddr *sa, int
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Line 106 ConnectL3(int h, u_short id, struct sockaddr *sa, int
|
| ret = -1; |
ret = -1; |
| break; |
break; |
| } |
} |
| if (FD_ISSET(STDIN_FILENO, &rfd)) { | if (FD_ISSET(h, &rfd)) { |
| memset(buf, 0, len); | |
| rlen = read(STDIN_FILENO, buf, len); | |
| if (rlen == -1) { | |
| printf("Error:: read(stdin) #%d - %s\n", errno, strerror(errno)); | |
| ret = -1; | |
| break; | |
| } | |
| rlen = icmpSend(h, id, ANSH_FLG_CPOUT, buf, rlen, sa, sizeof(struct sockaddr)); | |
| if (rlen == ANSH_FLG_ERR) { | |
| ret = -1; | |
| break; | |
| } | |
| } else { | |
| sl = sizeof s; |
sl = sizeof s; |
| rlen = len; |
rlen = len; |
| memset(buf, 0, rlen); |
memset(buf, 0, rlen); |
| flg = icmpRecv(h, &aid, buf, &rlen, &s, &sl); | flg = icmpRecv(h, &sq, &aid, &Crypted, buf, &rlen, &s, &sl); |
| if (flg == ANSH_FLG_ERR) { |
if (flg == ANSH_FLG_ERR) { |
| ret = -1; |
ret = -1; |
| break; |
break; |
|
Line 100 ConnectL3(int h, u_short id, struct sockaddr *sa, int
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Line 125 ConnectL3(int h, u_short id, struct sockaddr *sa, int
|
| } |
} |
| if (flg != ANSH_FLG_OK) |
if (flg != ANSH_FLG_OK) |
| continue; |
continue; |
| |
if (sq <= Seq) |
| |
continue; |
| |
else if (sq > (Seq + 1)) |
| |
VERB(1) LOG("LOST PACKET(s) detect: %d; received seq=%d - %d", |
| |
sq - Seq + 1, sq, Seq); |
| |
Seq = sq; |
| |
|
| |
if (Crypted) { |
| |
str = cryptBuffer(buf, rlen, Crypted); |
| |
if (str) { |
| |
memcpy(buf, str, rlen); |
| |
free(str); |
| |
} |
| |
} |
| |
|
| rlen = write(STDOUT_FILENO, buf, rlen); |
rlen = write(STDOUT_FILENO, buf, rlen); |
| if (rlen == -1) { |
if (rlen == -1) { |
| printf("Error:: write(stdout) #%d - %s\n", errno, strerror(errno)); |
printf("Error:: write(stdout) #%d - %s\n", errno, strerror(errno)); |
| |
ret = -1; |
| |
break; |
| |
} |
| |
} else { |
| |
memset(buf, 0, len); |
| |
rlen = read(STDIN_FILENO, buf, len); |
| |
if (rlen == -1) { |
| |
printf("Error:: read(stdin) #%d - %s\n", errno, strerror(errno)); |
| |
ret = -1; |
| |
break; |
| |
} |
| |
|
| |
/* local command handling */ |
| |
if (rlen) { |
| |
/* execute local command */ |
| |
if (nl == 2) { |
| |
switch (*buf) { |
| |
case '.': |
| |
Kill++; |
| |
printf("\n"); |
| |
VERB(1) LOG("Exit from client\n"); |
| |
continue; |
| |
case '~': |
| |
default: |
| |
nl ^= nl; |
| |
/* send buffer, unknown command */ |
| |
break; |
| |
} |
| |
} |
| |
/* skip buffer and wait for local command */ |
| |
if (nl == 1 && *buf == '~') { |
| |
nl++; |
| |
continue; |
| |
} |
| |
/* send buffer if detect NL */ |
| |
if (*buf == 0xa || *buf == 0xd) |
| |
nl = 1; |
| |
else |
| |
nl ^= nl; |
| |
} else |
| |
nl ^= nl; |
| |
|
| |
if (Crypted) { |
| |
str = cryptBuffer(buf, rlen, Crypted); |
| |
if (str) { |
| |
memcpy(buf, str, rlen); |
| |
free(str); |
| |
} |
| |
} |
| |
|
| |
rlen = icmpSend(h, ++Seq, id, ANSH_FLG_CPOUT, Crypted, buf, rlen, sa, sizeof(struct sockaddr)); |
| |
if (rlen == ANSH_FLG_ERR) { |
| ret = -1; |
ret = -1; |
| break; |
break; |
| } |
} |