version 1.1.1.1, 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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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" |
#include "proc.h" |
#include "proc.h" |
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intptr_t Kill; |
intptr_t Kill; |
int bpfLEN, Verbose, Crypted = 1; | int Verbose; |
| u_int Crypted = 1; |
proc_head_t pH; |
proc_head_t pH; |
int Daemon = 1; | int bpfLEN, Timeout, Daemon = 1; |
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extern char compiled[], compiledby[], compilehost[]; |
extern char compiled[], compiledby[], compilehost[]; |
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Line 25 Usage()
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Line 63 Usage()
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"=== %s === %s@%s ===\n\n" |
"=== %s === %s@%s ===\n\n" |
" Syntax: anshd [options]\n\n" |
" Syntax: anshd [options]\n\n" |
"\t-d <dev>\tBind to host interface, like 'em0' (default is first host interface)\n" |
"\t-d <dev>\tBind to host interface, like 'em0' (default is first host interface)\n" |
"\t-i <id>\tService ID (default is 42)\n" |
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"\t-U <user>\tRun service with other user\n" |
"\t-U <user>\tRun service with other user\n" |
"\t-C <dir>\tRun service into chroot directory\n" |
"\t-C <dir>\tRun service into chroot directory\n" |
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"\t-t <timeout>\tTimeout of login if no activity (default is 0 sec)\n" |
"\t-u\t\tSwitch to unencrypted traffic between hosts\n" |
"\t-u\t\tSwitch to unencrypted traffic between hosts\n" |
"\t-b\t\tRun into batch mode (default is daemon mode)\n" |
"\t-b\t\tRun into batch mode (default is daemon mode)\n" |
"\t-v\t\tVerbose (more -v, more verbosity ...)\n" |
"\t-v\t\tVerbose (more -v, more verbosity ...)\n" |
Line 42 sig(int s)
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Line 80 sig(int s)
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switch (s) { |
switch (s) { |
case SIGHUP: |
case SIGHUP: |
LOG("Got SIGHUP!\n"); | VERB(1) LOG("Got SIGHUP!\n"); |
break; |
break; |
case SIGTERM: |
case SIGTERM: |
LOG("Got SIGTERM!\n"); |
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Kill++; |
Kill++; |
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VERB(1) LOG("Got SIGTERM!\n"); |
break; |
break; |
case SIGPIPE: |
case SIGPIPE: |
LOG("Got SIGPIPE!\n"); | VERB(1) LOG("Got SIGPIPE!\n"); |
break; |
break; |
case SIGCHLD: |
case SIGCHLD: |
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VERB(1) LOG("Got SIGCHLD!\n"); |
while (waitpid(-1, &state, WNOHANG) > 0); |
while (waitpid(-1, &state, WNOHANG) > 0); |
break; |
break; |
} |
} |
} |
} |
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static void * |
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hook_error(void *root, void *arg) |
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{ |
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/* sched_root_task_t *r = root; */ |
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if (!root) |
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return (void*) -1; |
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if (arg == (void*) EINTR) |
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return (void*) -1; |
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return NULL; |
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} |
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int |
int |
main(int argc, char **argv) |
main(int argc, char **argv) |
{ |
{ |
struct passwd *pass; |
struct passwd *pass; |
int fd, h = 0, uid = 0, gid = 0; |
int fd, h = 0, uid = 0, gid = 0; |
long id = ANSH_ID; |
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char ch, szUser[STRSIZ] = "root", szChroot[STRSIZ] = "/", szDev[STRSIZ] = { 0 }; |
char ch, szUser[STRSIZ] = "root", szChroot[STRSIZ] = "/", szDev[STRSIZ] = { 0 }; |
struct sigaction sact; |
struct sigaction sact; |
sched_root_task_t *root = NULL; |
sched_root_task_t *root = NULL; |
Line 70 main(int argc, char **argv)
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Line 122 main(int argc, char **argv)
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Get1stEth(szDev, STRSIZ); |
Get1stEth(szDev, STRSIZ); |
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while ((ch = getopt(argc, argv, "hvulbd:U:C:")) != -1) | while ((ch = getopt(argc, argv, "hvubt:d:U:C:")) != -1) |
switch (ch) { |
switch (ch) { |
case 'U': |
case 'U': |
pass = getpwnam(optarg); |
pass = getpwnam(optarg); |
Line 91 main(int argc, char **argv)
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Line 143 main(int argc, char **argv)
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} else |
} else |
strlcpy(szChroot, optarg, sizeof szChroot); |
strlcpy(szChroot, optarg, sizeof szChroot); |
break; |
break; |
case 'i': | case 't': |
id = strtol(optarg, NULL, 0); | Timeout = abs(strtol(optarg, NULL, 0)); |
break; |
break; |
case 'd': |
case 'd': |
strlcpy(szDev, optarg, sizeof szDev); |
strlcpy(szDev, optarg, sizeof szDev); |
Line 152 main(int argc, char **argv)
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Line 204 main(int argc, char **argv)
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} |
} |
} |
} |
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if (ioCreatePIDFile(PIDFILE_ANSHD, 42)) { |
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ERR("Error:: already started anshd service ...\n"); |
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closelog(); |
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return 1; |
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} |
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h = PrepareL2(szDev, &bpfLEN); |
h = PrepareL2(szDev, &bpfLEN); |
if (h == -1) { |
if (h == -1) { |
ERR("Error:: Descriptor not opened ... abort!\n"); |
ERR("Error:: Descriptor not opened ... abort!\n"); |
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unlink(PIDFILE_ANSHD); |
closelog(); |
closelog(); |
return 2; |
return 2; |
} |
} |
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SLIST_INIT(&pH); |
SLIST_INIT(&pH); |
if (!(proc = InitProc(h, NULL, id, bpfLEN))) { | if (!(proc = InitProc(h, NULL, ANSH_ID, bpfLEN))) { |
ERR("Error:: Not enough memory ...\n"); |
ERR("Error:: Not enough memory ...\n"); |
close(h); |
close(h); |
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unlink(PIDFILE_ANSHD); |
closelog(); |
closelog(); |
return 3; |
return 3; |
} |
} |
Line 170 main(int argc, char **argv)
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Line 230 main(int argc, char **argv)
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root = schedBegin(); |
root = schedBegin(); |
if (!root) { |
if (!root) { |
ERR("Scheduler not init #%d - %s\n", sched_GetErrno(), sched_GetError()); |
ERR("Scheduler not init #%d - %s\n", sched_GetErrno(), sched_GetError()); |
DestroyProc(id); | DestroyProc(ANSH_ID); |
close(h); |
close(h); |
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unlink(PIDFILE_ANSHD); |
closelog(); |
closelog(); |
return 4; |
return 4; |
} | } else |
| root->root_hooks.hook_root.error = hook_error; |
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chdir("/"); |
chdir("/"); |
chroot(szChroot); |
chroot(szChroot); |
Line 182 main(int argc, char **argv)
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Line 244 main(int argc, char **argv)
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setgid(gid); |
setgid(gid); |
setuid(uid); |
setuid(uid); |
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if (schedRead(root, pktRx, (void*) id, h)) { | if (schedRead(root, pktRx, (void*) ANSH_ID, h)) { |
schedRun(root, &Kill); |
schedRun(root, &Kill); |
} else |
} else |
ERR("Failed to add reader task #%d - %s\n", sched_GetErrno(), sched_GetError()); |
ERR("Failed to add reader task #%d - %s\n", sched_GetErrno(), sched_GetError()); |
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VERB(1) LOG("Finish process."); |
VERB(1) LOG("Finish process."); |
schedEnd(&root); |
schedEnd(&root); |
DestroyProc(id); | DestroyProc(ANSH_ID); |
close(h); |
close(h); |
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unlink(PIDFILE_ANSHD); |
closelog(); |
closelog(); |
return 0; |
return 0; |
} |
} |