version 1.1.1.1.2.4, 2011/10/13 14:29:30
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version 1.3, 2012/01/23 10:34:13
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Line 5
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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" |
#include "anshd.h" |
#include "anshd.h" |
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Line 46 void *
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Line 83 void *
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icmpRx(sched_task_t *task) |
icmpRx(sched_task_t *task) |
{ |
{ |
u_char *buf, *str; |
u_char *buf, *str; |
struct sockaddr sa; | io_sockaddr_t sa; |
int rlen, n = 0, salen = sizeof sa; |
int rlen, n = 0, salen = sizeof sa; |
struct tagProc *proc = NULL; |
struct tagProc *proc = NULL; |
char ret; |
char ret; |
Line 58 icmpRx(sched_task_t *task)
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Line 95 icmpRx(sched_task_t *task)
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rlen = bpfLEN; |
rlen = bpfLEN; |
if (!(buf = malloc(rlen))) |
if (!(buf = malloc(rlen))) |
goto end; |
goto end; |
|
else |
|
memset(buf, 0, rlen); |
|
|
if ((ret = icmpRecv(TASK_FD(task), &seq, &id, &Crypted, buf, &rlen, &sa, |
if ((ret = icmpRecv(TASK_FD(task), &seq, &id, &Crypted, buf, &rlen, &sa, |
(socklen_t *) &salen)) == ANSH_FLG_ERR) |
(socklen_t *) &salen)) == ANSH_FLG_ERR) |
Line 136 fdTx(sched_task_t *task)
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Line 175 fdTx(sched_task_t *task)
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if (proc->proc_flg != ANSH_FLG_CPOUT || !proc->proc_pid) |
if (proc->proc_flg != ANSH_FLG_CPOUT || !proc->proc_pid) |
return NULL; |
return NULL; |
|
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if (waitpid(proc->proc_pid, &wlen, WNOHANG)) { |
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ioFreePTY(TASK_FD(task), proc->proc_ttyname); |
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schedCancelby(TASK_ROOT(task), NULL, CRITERIA_FD, (void*) TASK_FD(task), NULL); |
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proc->proc_pid = 0; |
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proc->proc_seq = 0; |
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proc->proc_flg = ANSH_FLG_EOF; |
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proc->proc_rlen_[FD2NET] = 0; |
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schedWrite(TASK_ROOT(task), icmpTx, proc, proc->proc_sock); |
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return NULL; |
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} |
|
|
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/* if Timeout defined, disarm timer */ |
/* if Timeout defined, disarm timer */ |
if (Timeout) |
if (Timeout) |
schedCancelby(TASK_ROOT(task), &TASK_ROOT(task)->root_timer, CRITERIA_CALL, TOfunc, NULL); |
schedCancelby(TASK_ROOT(task), &TASK_ROOT(task)->root_timer, CRITERIA_CALL, TOfunc, NULL); |
Line 158 fdTx(sched_task_t *task)
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Line 184 fdTx(sched_task_t *task)
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case -1: |
case -1: |
ERR("write2tty #%d - %s", errno, strerror(errno)); |
ERR("write2tty #%d - %s", errno, strerror(errno)); |
/* exit from shell and release tty */ |
/* exit from shell and release tty */ |
waitpid(proc->proc_pid, &wlen, 0); |
|
ioFreePTY(TASK_FD(task), proc->proc_ttyname); |
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schedCancelby(TASK_ROOT(task), NULL, CRITERIA_FD, (void*) TASK_FD(task), NULL); |
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|
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proc->proc_pid = 0; |
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proc->proc_seq = 0; |
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proc->proc_flg = ANSH_FLG_EOF; |
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proc->proc_rlen_[FD2NET] = 0; |
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schedWrite(TASK_ROOT(task), icmpTx, proc, proc->proc_sock); |
|
return NULL; |
return NULL; |
default: |
default: |
proc->proc_flg = ANSH_FLG_OK; |
proc->proc_flg = ANSH_FLG_OK; |
Line 198 fdRx(sched_task_t *task)
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Line 214 fdRx(sched_task_t *task)
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if (!proc->proc_pid) |
if (!proc->proc_pid) |
return NULL; |
return NULL; |
|
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if (waitpid(proc->proc_pid, &rlen, WNOHANG)) { |
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ioFreePTY(TASK_FD(task), proc->proc_ttyname); |
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schedCancelby(TASK_ROOT(task), NULL, CRITERIA_FD, (void*) TASK_FD(task), NULL); |
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proc->proc_pid = 0; |
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proc->proc_seq = 0; |
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proc->proc_flg = ANSH_FLG_EOF; |
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proc->proc_rlen_[FD2NET] = 0; |
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schedWrite(TASK_ROOT(task), icmpTx, proc, proc->proc_sock); |
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return NULL; |
|
} |
|
|
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/* if Timeout defined, disarm timer */ |
/* if Timeout defined, disarm timer */ |
if (Timeout) |
if (Timeout) |
schedCancelby(TASK_ROOT(task), &TASK_ROOT(task)->root_timer, CRITERIA_CALL, TOfunc, NULL); |
schedCancelby(TASK_ROOT(task), &TASK_ROOT(task)->root_timer, CRITERIA_CALL, TOfunc, NULL); |
Line 223 fdRx(sched_task_t *task)
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Line 226 fdRx(sched_task_t *task)
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ERR("readtty #%d - %s", errno, strerror(errno)); |
ERR("readtty #%d - %s", errno, strerror(errno)); |
case 0: |
case 0: |
/* exit from shell and release tty */ |
/* exit from shell and release tty */ |
waitpid(proc->proc_pid, &rlen, 0); |
|
ioFreePTY(TASK_FD(task), proc->proc_ttyname); |
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schedCancelby(TASK_ROOT(task), NULL, CRITERIA_FD, (void*) TASK_FD(task), NULL); |
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VERB(3) LOG("EOF process status %d", rlen); |
|
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proc->proc_pid = 0; |
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proc->proc_seq = 0; |
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proc->proc_flg = ANSH_FLG_EOF; |
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proc->proc_rlen_[FD2NET] = 0; |
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schedWrite(TASK_ROOT(task), icmpTx, proc, proc->proc_sock); |
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return NULL; |
return NULL; |
default: |
default: |
proc->proc_flg = ANSH_FLG_OK; |
proc->proc_flg = ANSH_FLG_OK; |
Line 258 spawnLogin(sched_task_t *task, struct tagProc *proc)
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Line 250 spawnLogin(sched_task_t *task, struct tagProc *proc)
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int flg; |
int flg; |
struct timeval tv = { 0 }; |
struct timeval tv = { 0 }; |
char str[STRSIZ] = { 0 }; |
char str[STRSIZ] = { 0 }; |
struct sockaddr_in *sin; |
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struct sockaddr_in6 *sin6; |
|
|
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FTRACE(3); |
FTRACE(3); |
|
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Line 274 spawnLogin(sched_task_t *task, struct tagProc *proc)
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Line 264 spawnLogin(sched_task_t *task, struct tagProc *proc)
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printf("ansh3d ELWIX remote management system over ICMP (%s)\n\n", |
printf("ansh3d ELWIX remote management system over ICMP (%s)\n\n", |
proc->proc_ttyname); |
proc->proc_ttyname); |
strlcpy(str, "-hansh3@", sizeof str); |
strlcpy(str, "-hansh3@", sizeof str); |
if (proc->proc_cli.sa_family == AF_INET) { | if (proc->proc_cli.sa.sa_family == AF_INET) |
sin = (struct sockaddr_in*) &proc->proc_cli; | inet_ntop(AF_INET, &proc->proc_cli.sin.sin_addr, str + 8, INET_ADDRSTRLEN); |
inet_ntop(AF_INET, &sin->sin_addr, str + 8, INET_ADDRSTRLEN); | else if (proc->proc_cli.sa.sa_family == AF_INET6) |
} else if (proc->proc_cli.sa_family == AF_INET6) { | inet_ntop(AF_INET6, &proc->proc_cli.sin6.sin6_addr, str + 8, INET6_ADDRSTRLEN); |
sin6 = (struct sockaddr_in6*) &proc->proc_cli; | |
inet_ntop(AF_INET6, &sin6->sin6_addr, str + 8, INET6_ADDRSTRLEN); | |
} | |
execl("/usr/bin/login", "login", str, NULL); |
execl("/usr/bin/login", "login", str, NULL); |
/* never reached */ |
/* never reached */ |
return -1; |
return -1; |