version 1.1, 2011/10/04 22:37:46
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version 1.1.1.1.2.4, 2011/10/13 16:08:52
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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" |
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static int |
static int |
SetRemoteWinz(int h, u_short id, struct ether_addr *ea, u_char *buf, int buflen) | SetRemoteWinz(int h, struct ether_addr *ea, 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 ether_addr *ea
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Line 64 SetRemoteWinz(int h, u_short id, struct ether_addr *ea
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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 (pktSend(h, id, ANSH_FLG_WINZ, buf, sizeof ws, ea) == -1) | if (pktSend(h, 0, ANSH_FLG_WINZ, Crypted, buf, sizeof ws, ea) == -1) |
return -1; |
return -1; |
|
|
return 0; |
return 0; |
} |
} |
|
|
int |
int |
ConnectL2(int h, u_short id, struct ether_addr *ea, int len) | ConnectL2(int h, struct ether_addr *ea, int len) |
{ |
{ |
fd_set rfd; |
fd_set rfd; |
struct ether_header eth; |
struct ether_header eth; |
struct timeval tv = { 10, 0 }; |
struct timeval tv = { 10, 0 }; |
struct termios otio; |
struct termios otio; |
int rlen, ret = 0; |
int rlen, ret = 0; |
char flg; | char flg, nl = 0; |
u_char *buf; | u_char *buf, *str; |
| u_int s, Seq = 0; |
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FTRACE(3); |
FTRACE(3); |
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Line 51 ConnectL2(int h, u_short id, struct ether_addr *ea, in
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Line 89 ConnectL2(int h, u_short id, struct ether_addr *ea, in
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return -1; |
return -1; |
} |
} |
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if (SetRemoteWinz(h, id, ea, buf, len) == -1) { | if (SetRemoteWinz(h, ea, buf, len) == -1) { |
free(buf); |
free(buf); |
return -1; |
return -1; |
} |
} |
Line 62 ConnectL2(int h, u_short id, struct ether_addr *ea, in
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Line 100 ConnectL2(int h, u_short id, struct ether_addr *ea, in
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FD_ZERO(&rfd); |
FD_ZERO(&rfd); |
FD_SET(h, &rfd); |
FD_SET(h, &rfd); |
FD_SET(STDIN_FILENO, &rfd); |
FD_SET(STDIN_FILENO, &rfd); |
if (select(h + 1, &rfd, NULL, NULL, &tv) < 1) { | if (select(h + 1, &rfd, NULL, NULL, (Timeout ? &tv : NULL)) < 1) { |
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 = pktSend(h, id, ANSH_FLG_CPOUT, buf, rlen, ea); | |
if (rlen == ANSH_FLG_ERR) { | |
ret = -1; | |
break; | |
} | |
} else { | |
rlen = len; |
rlen = len; |
memset(buf, 0, rlen); |
memset(buf, 0, rlen); |
flg = pktRecv(h, buf, &rlen, ð); | flg = pktRecv(h, &s, &Crypted, buf, &rlen, ð); |
if (flg == ANSH_FLG_ERR) { |
if (flg == ANSH_FLG_ERR) { |
ret = -1; |
ret = -1; |
break; |
break; |
} |
} |
if (ntohs(eth.ether_type) != id) { | if (ntohs(eth.ether_type) != ANSH_ID) { |
VERB(4) LOG("different service id %d / %d\n", ntohs(eth.ether_type), id); | VERB(4) LOG("different service id %d / %d\n", eth.ether_type, ANSH_ID); |
continue; |
continue; |
} |
} |
if (flg == ANSH_FLG_EOF) { |
if (flg == ANSH_FLG_EOF) { |
Line 97 ConnectL2(int h, u_short id, struct ether_addr *ea, in
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Line 122 ConnectL2(int h, u_short id, struct ether_addr *ea, in
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} |
} |
if (flg != ANSH_FLG_OK) |
if (flg != ANSH_FLG_OK) |
continue; |
continue; |
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if (s <= Seq) |
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continue; |
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else if (s > (Seq + 1)) |
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VERB(1) LOG("LOST PACKET(s) detect: %d; received seq=%d - %d", |
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s - (Seq + 1), s, Seq); |
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Seq = s; |
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if (Crypted) { |
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str = cryptBuffer(buf, rlen, Crypted); |
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if (str) { |
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memcpy(buf, str, rlen); |
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free(str); |
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} |
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} |
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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)); |
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ret = -1; |
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break; |
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} |
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} else { |
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memset(buf, 0, len); |
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rlen = read(STDIN_FILENO, buf, len); |
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if (rlen == -1) { |
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printf("Error:: read(stdin) #%d - %s\n", errno, strerror(errno)); |
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ret = -1; |
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break; |
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} |
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/* local command handling */ |
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if (rlen) { |
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/* execute local command */ |
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if (nl == 2) { |
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switch (*buf) { |
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case '.': |
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Kill++; |
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printf("\n"); |
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VERB(1) LOG("Exit from client\n"); |
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continue; |
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case '~': |
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default: |
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nl ^= nl; |
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/* send buffer, unknown command */ |
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break; |
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} |
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} |
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/* skip buffer and wait for local command */ |
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if (nl == 1 && *buf == '~') { |
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nl++; |
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continue; |
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} |
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/* send buffer if detect NL */ |
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if (*buf == 0xa || *buf == 0xd) |
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nl = 1; |
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else |
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nl ^= nl; |
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} else |
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nl ^= nl; |
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if (Crypted) { |
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str = cryptBuffer(buf, rlen, Crypted); |
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if (str) { |
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memcpy(buf, str, rlen); |
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free(str); |
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} |
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} |
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rlen = pktSend(h, ++Seq, ANSH_FLG_CPOUT, Crypted, buf, rlen, ea); |
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if (rlen == ANSH_FLG_ERR) { |
ret = -1; |
ret = -1; |
break; |
break; |
} |
} |