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<DIV><SPAN class=296051018-07072009><FONT face=Arial
size=2>Hello,</FONT></SPAN></DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial size=2>I am attempting to
get dropbear working on a Xilinx Microblaze system.</FONT></SPAN></DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial size=2>I have compiled it
and it is excuting, but there seems to be some buffer/alloc problem of some kind
that I am not sure yet how to resolve.</FONT></SPAN></DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial size=2>This is an MMU-LESS
system and compiled against uCLibc</FONT></SPAN></DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial size=2>I can connect,
exchange keys, and authenticate my username password
propertly</FONT></SPAN></DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial size=2>However, when the
terminal session begins, I get an error about un mapping non-mmaped memory
and then a subsequent buffer_incr problem and then an exit.</FONT></SPAN></DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial size=2>The trace log is
below - can anyone offer suggestions?</FONT></SPAN></DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial
size=2>Thanks</FONT></SPAN></DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial size=2>quit<BR>221
Goodbye<BR># ./dropbeart - -F<BR>TRACE (79): enter
loadhostkeys<BR>TRACE (79): enter buf_get_priv_key<BR>TRACE (79): enter
rsa_key_free<BR>TRACE (79): leave rsa_key_free: key == NULL<BR>TRACE (79): enter
buf_get_rsa_priv_key<BR>TRACE (79): enter buf_get_rsa_pub_key<BR>TRACE (79):
leave buf_get_rsa_pub_key: success<BR>TRACE (79): leave
buf_get_rsa_priv_key<BR>TRACE (79): leave buf_get_priv_key<BR>TRACE (79): enter
buf_get_priv_key<BR>TRACE (79): enter dsa_key_free<BR>TRACE (79): enter
dsa_key_free: key == NULL<BR>TRACE (79): enter buf_get_dss_pub_key<BR>TRACE
(79): leave buf_get_dss_pub_key: success<BR>TRACE (79): leave
buf_get_priv_key<BR>TRACE (79): leave loadhostkeys<BR>TRACE (79): listensockets:
1 to try</FONT></SPAN></DIV>
<DIV> </DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial size=2>TRACE (79):
listening on ':22'<BR>TRACE (79): enter dropbear_listen<BR>TRACE (79):
dropbear_listen: all interfaces<BR>TRACE (79): bind(22) failed<BR>TRACE (79):
leave dropbear_listen: success, 1 socks bound<BR>[79] Jul 07 15:55:58 Not
backgrounding<BR>[79] Jul 07 15:56:13 Child connection from
192.168.1.21:2594<BR>TRACE (79): enter session_init<BR>TRACE (79):
setnonblocking: 3<BR>TRACE (79): leave setnonblocking<BR>TRACE (79):
setnonblocking: 5<BR>TRACE (79): leave setnonblocking<BR>TRACE (79):
kexinitialise()<BR>TRACE (79): leave session_init<BR>TRACE (79): enter
ident_readln<BR>TRACE (79): leave ident_readln: return 36<BR>TRACE (79):
remoteident: SSH-2.0-1.84 sshlib: Tunnelier 4.29<BR>TRACE (79): enter
encrypt_packet()<BR>TRACE (79): encrypt_packet type is 20<BR>TRACE (79): enter
writemac<BR>TRACE (79): leave writemac<BR>TRACE (79): enter enqueue<BR>TRACE
(79): leave enqueue<BR>TRACE (79): leave encrypt_packet()<BR>TRACE (79):
DATAALLOWED=0<BR>TRACE (79): -> KEXINIT<BR>TRACE (79): enter
write_packet<BR>TRACE (79): empty queue dequeing<BR>TRACE (79): leave
write_packet<BR>TRACE (79): enter read_packet<BR>TRACE (79): leave
read_packet<BR>TRACE (79): maybe_empty_reply_queue - no data allowed<BR>TRACE
(79): enter read_packet<BR>TRACE (79): enter decrypt_packet<BR>TRACE (79): leave
decrypt_packet<BR>TRACE (79): leave read_packet<BR>TRACE (79): enter
process_packet<BR>TRACE (79): process_packet: packet type = 20<BR>TRACE (79):
<- KEXINIT<BR>TRACE (79): enter recv_msg_kexinit<BR>TRACE (79):
buf_match_algo:
diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1<BR>TRACE
(79): kex algo diffie-hellman-group1-sha1<BR>TRACE (79): buf_match_algo:
ssh-rsa,ssh-dss<BR>TRACE (79): hostkey algo ssh-rsa<BR>TRACE (79):
buf_match_algo:
aes256-ctr,twofish256-ctr,twofish-ctr,aes128-ctr,twofish128-ctr,blowfish-ctr,3des-ctr,cast128-ctr,aes256-cbc,twofish256-cbc,twofish-cbc,aes128-cbc,twofish128-cbc,blowfish-cbc,3des-cbc,arcfour,cast128-cbc<BR>TRACE
(79): enc c2s is aes256-ctr<BR>TRACE (79): buf_match_algo:
aes256-ctr,twofish256-ctr,twofish-ctr,aes128-ctr,twofish128-ctr,blowfish-ctr,3des-ctr,cast128-ctr,aes256-cbc,twofish256-cbc,twofish-cbc,aes128-cbc,twofish128-cbc,blowfish-cbc,3des-cbc,arcfour,cast128-cbc<BR>TRACE
(79): enc s2c is aes256-ctr<BR>TRACE (79): buf_match_algo:
hmac-sha1,hmac-md5,hmac-sha1-96,hmac-md5-96<BR>TRACE (79): hash c2s is
hmac-sha1<BR>TRACE (79): buf_match_algo:
hmac-sha1,hmac-md5,hmac-sha1-96,hmac-md5-96<BR>TRACE (79): hash s2c is
hmac-sha1<BR>TRACE (79): buf_match_algo: none<BR>TRACE (79): hash c2s is
none<BR>TRACE (79): buf_match_algo: none<BR>TRACE (79): hash s2c is
none<BR>TRACE (79): leave recv_msg_kexinit<BR>TRACE (79): leave
process_packet<BR>TRACE (79): maybe_empty_reply_queue - no data allowed<BR>TRACE
(79): enter read_packet<BR>TRACE (79): enter decrypt_packet<BR>TRACE (79): leave
decrypt_packet<BR>TRACE (79): leave read_packet<BR>TRACE (79): enter
process_packet<BR>TRACE (79): process_packet: packet type = 30<BR>TRACE (79):
enter recv_msg_kexdh_init<BR>TRACE (79): enter send_msg_kexdh_reply<BR>TRACE
(79): enter send_msg_kexdh_reply<BR>TRACE (79): enter buf_put_pub_key<BR>TRACE
(79): enter buf_put_rsa_pub_key<BR>TRACE (79): enter buf_putmpint<BR>TRACE (79):
leave buf_putmpint<BR>TRACE (79): enter buf_putmpint<BR>TRACE (79): leave
buf_putmpint<BR>TRACE (79): leave buf_put_rsa_pub_key<BR>TRACE (79): leave
buf_put_pub_key<BR>TRACE (79): enter buf_putmpint<BR>TRACE (79): leave
buf_putmpint<BR>TRACE (79): enter buf_putmpint<BR>TRACE (79): leave
buf_putmpint<BR>TRACE (79): enter buf_putmpint<BR>TRACE (79): leave
buf_putmpint<BR>TRACE (79): enter buf_put_pub_key<BR>TRACE (79): enter
buf_put_rsa_pub_key<BR>TRACE (79): enter buf_putmpint<BR>TRACE (79): leave
buf_putmpint<BR>TRACE (79): enter buf_putmpint<BR>TRACE (79): leave
buf_putmpint<BR>TRACE (79): leave buf_put_rsa_pub_key<BR>TRACE (79): leave
buf_put_pub_key<BR>TRACE (79): enter buf_putmpint<BR>TRACE (79): leave
buf_putmpint<BR>TRACE (79): enter buf_put_rsa_sign<BR>TRACE (79): leave
buf_put_rsa_sign<BR>TRACE (79): enter encrypt_packet()<BR>TRACE (79):
encrypt_packet type is 31<BR>TRACE (79): enter writemac<BR>TRACE (79): leave
writemac<BR>TRACE (79): enter enqueue<BR>TRACE (79): leave enqueue<BR>TRACE
(79): leave encrypt_packet()<BR>TRACE (79): leave send_msg_kexdh_reply<BR>TRACE
(79): enter send_msg_newkeys<BR>TRACE (79): enter encrypt_packet()<BR>TRACE
(79): encrypt_packet type is 21<BR>TRACE (79): enter writemac<BR>TRACE (79):
leave writemac<BR>TRACE (79): enter enqueue<BR>TRACE (79): leave
enqueue<BR>TRACE (79): leave encrypt_packet()<BR>TRACE (79):
SENTNEWKEYS=1<BR>TRACE (79): -> MSG_NEWKEYS<BR>TRACE (79): leave
send_msg_newkeys<BR>TRACE (79): leave recv_msg_kexdh_init<BR>TRACE (79): leave
process_packet<BR>TRACE (79): maybe_empty_reply_queue - no data allowed<BR>TRACE
(79): enter write_packet<BR>TRACE (79): leave write_packet<BR>TRACE (79): enter
read_packet<BR>TRACE (79): enter decrypt_packet<BR>TRACE (79): leave
decrypt_packet<BR>TRACE (79): leave read_packet<BR>TRACE (79): enter
process_packet<BR>TRACE (79): process_packet: packet type = 2<BR>TRACE (79):
leave process_packet<BR>TRACE (79): maybe_empty_reply_queue - no data
allowed<BR>TRACE (79): enter write_packet<BR>TRACE (79): empty queue
dequeing<BR>TRACE (79): leave write_packet<BR>TRACE (79): enter
read_packet<BR>TRACE (79): enter decrypt_packet<BR>TRACE (79): leave
decrypt_packet<BR>TRACE (79): leave read_packet<BR>TRACE (79): enter
process_packet<BR>TRACE (79): process_packet: packet type = 21<BR>TRACE (79):
<- MSG_NEWKEYS<BR>TRACE (79): enter recv_msg_newkeys<BR>TRACE (79): while
SENTNEWKEYS=1<BR>TRACE (79): enter gen_new_keys<BR>TRACE (79): enter
buf_putmpint<BR>TRACE (79): leave buf_putmpint<BR>TRACE (79): leave
gen_new_keys<BR>TRACE (79): kexinitialise()<BR>TRACE (79): ->
DATAALLOWED=1<BR>TRACE (79): leave recv_msg_newkeys<BR>TRACE (79): leave
process_packet<BR>TRACE (79): enter read_packet<BR>TRACE (79): enter
decrypt_packet<BR>TRACE (79): leave decrypt_packet<BR>TRACE (79): leave
read_packet<BR>TRACE (79): enter process_packet<BR>TRACE (79): process_packet:
packet type = 5<BR>TRACE (79): enter recv_msg_service_request<BR>TRACE (79):
accepting service ssh-userauth<BR>TRACE (79): enter encrypt_packet()<BR>TRACE
(79): encrypt_packet type is 6<BR>TRACE (79): enter writemac<BR>TRACE (79):
leave writemac<BR>TRACE (79): enter enqueue<BR>TRACE (79): leave
enqueue<BR>TRACE (79): leave encrypt_packet()<BR>TRACE (79): leave
recv_msg_service_request: done ssh-userauth<BR>TRACE (79): leave
process_packet<BR>TRACE (79): enter write_packet<BR>TRACE (79): empty queue
dequeing<BR>TRACE (79): leave write_packet<BR>TRACE (79): enter
read_packet<BR>TRACE (79): enter decrypt_packet<BR>TRACE (79): leave
decrypt_packet<BR>TRACE (79): leave read_packet<BR>TRACE (79): enter
process_packet<BR>TRACE (79): process_packet: packet type = 50<BR>TRACE (79):
enter recv_msg_userauth_request<BR>TRACE (79): recv_msg_userauth_request: 'none'
request<BR>TRACE (79): enter send_msg_userauth_failure<BR>TRACE (79): auth fail:
methods 6, 'publickey,password'<BR>TRACE (79): enter encrypt_packet()<BR>TRACE
(79): encrypt_packet type is 51<BR>TRACE (79): enter writemac<BR>TRACE (79):
leave writemac<BR>TRACE (79): enter enqueue<BR>TRACE (79): leave
enqueue<BR>TRACE (79): leave encrypt_packet()<BR>TRACE (79): leave
send_msg_userauth_failure<BR>TRACE (79): leave process_packet<BR>TRACE (79):
enter write_packet<BR>TRACE (79): empty queue dequeing<BR>TRACE (79): leave
write_packet<BR>TRACE (79): enter read_packet<BR>TRACE (79): enter
decrypt_packet<BR>TRACE (79): leave decrypt_packet<BR>TRACE (79): leave
read_packet<BR>TRACE (79): enter process_packet<BR>TRACE (79): process_packet:
packet type = 2<BR>TRACE (79): leave process_packet<BR>TRACE (79): enter
read_packet<BR>TRACE (79): enter decrypt_packet<BR>TRACE (79): leave
decrypt_packet<BR>TRACE (79): leave read_packet<BR>TRACE (79): enter
process_packet<BR>TRACE (79): process_packet: packet type = 50<BR>TRACE (79):
enter recv_msg_userauth_request<BR>TRACE (79): enter checkusername<BR>TRACE
(79): shell is /bin/sh<BR>TRACE (79): test shell is '/bin/sh'<BR>TRACE (79):
matching shell<BR>TRACE (79): uid = 0<BR>TRACE (79): leave checkusername<BR>[79]
Jul 07 15:58:54 password auth succeeded for 'Administrator' from
192.168.1.21:2594<BR>TRACE (79): enter send_msg_userauth_success<BR>TRACE (79):
enter encrypt_packet()<BR>TRACE (79): encrypt_packet type is 52<BR>TRACE (79):
enter writemac<BR>TRACE (79): leave writemac<BR>TRACE (79): enter
enqueue<BR>TRACE (79): leave enqueue<BR>TRACE (79): leave
encrypt_packet()<BR>TRACE (79): leave send_msg_userauth_success<BR>TRACE (79):
leave process_packet<BR>TRACE (79): enter write_packet<BR>TRACE (79): empty
queue dequeing<BR>TRACE (79): leave write_packet<BR>TRACE (79): enter
read_packet<BR>TRACE (79): enter decrypt_packet<BR>TRACE (79): leave
decrypt_packet<BR>TRACE (79): leave read_packet<BR>TRACE (79): enter
process_packet<BR>TRACE (79): process_packet: packet type = 2<BR>TRACE (79):
leave process_packet<BR>TRACE (79): enter read_packet<BR>TRACE (79): enter
decrypt_packet<BR>TRACE (79): leave decrypt_packet<BR>TRACE (79): leave
read_packet<BR>TRACE (79): enter process_packet<BR>TRACE (79): process_packet:
packet type = 90<BR>TRACE (79): enter recv_msg_channel_open<BR>TRACE (79):
matched type 'session'<BR>TRACE (79): enter newchannel<BR>TRACE (79): leave
newchannel<BR>TRACE (79): enter send_msg_channel_open_confirmation<BR>TRACE
(79): enter encrypt_packet()<BR>TRACE (79): encrypt_packet type is 91<BR>TRACE
(79): enter writemac<BR>TRACE (79): leave writemac<BR>TRACE (79): enter
enqueue<BR>TRACE (79): leave enqueue<BR>TRACE (79): leave
encrypt_packet()<BR>TRACE (79): leave
send_msg_channel_open_confirmation<BR>TRACE (79): leave
recv_msg_channel_open<BR>TRACE (79): leave process_packet<BR>TRACE (79):
check_close: writefd -2, readfd -2, errfd -1, sent_close 0, recv_close
0<BR>TRACE (79): writebuf size 0 extrabuf size 0<BR>TRACE (79): sesscheckclose,
pid is -1<BR>TRACE (79): sesscheckclose, pid is -1<BR>TRACE (79): enter
write_packet<BR>TRACE (79): empty queue dequeing<BR>TRACE (79): leave
write_packet<BR>TRACE (79): check_close: writefd -2, readfd -2, errfd -1,
sent_close 0, recv_close 0<BR>TRACE (79): writebuf size 0 extrabuf size
0<BR>TRACE (79): sesscheckclose, pid is -1<BR>TRACE (79): sesscheckclose, pid is
-1<BR>TRACE (79): enter read_packet<BR>TRACE (79): enter decrypt_packet<BR>TRACE
(79): leave decrypt_packet<BR>TRACE (79): leave read_packet<BR>TRACE (79): enter
process_packet<BR>TRACE (79): process_packet: packet type = 98<BR>TRACE (79):
enter recv_msg_channel_request<BR>TRACE (79): enter chansessionrequest<BR>TRACE
(79): type is pty-req<BR>TRACE (79): enter sessionpty<BR>TRACE (79): enter
get_termmodes<BR>TRACE (79): term mode str 0 p->l 46 p->p 46<BR>TRACE
(79): leave get_termmodes: empty terminal modes string<BR>TRACE (79): leave
sessionpty<BR>TRACE (79): enter send_msg_channel_success<BR>TRACE (79): enter
encrypt_packet()<BR>TRACE (79): encrypt_packet type is 99<BR>TRACE (79): enter
writemac<BR>TRACE (79): leave writemac<BR>TRACE (79): enter
enqueue<BR>TRACmunmap of non-mmaped memory by process 79 (dropbear):
00000018<BR>munmap of non-mmaped memory by process 79 (dropbear): 00000010<BR>E
(79): leave enqueue<BR>TRACE (79): leamunmap of non-mmaped memory by process 79
(dropbear): b8082ce0<BR>ve encrypt_packet()<BR>TRACE (79): leave
send_msg_channel_success<BR>TRACE (79): leave chansessionrequest<BR>TRACE (79):
leave recv_msg_channel_request<BR>TRACE (79): leave process_packet<BR>TRACE
(79): check_close: writefd -2, readfd -2, errfd -1, sent_close 0, recv_close
0<BR>TRACE (79): writebuf size 0 extrabuf size 0<BR>TRACE (79): sesscheckclose,
pid is -1<BR>TRACE (79): sesscheckclose, pid is -1<BR>TRACE (79): enter
write_packet<BR>TRACE (79): empty queue dequeing<BR>TRACE (79): leave
write_packet<BR>TRACE (79): enter read_packet<BR>TRACE (79): enter
decrypt_packet<BR>TRACE (79): leave decrypt_packet<BR>TRACE (79): leave
read_packet<BR>TRACE (79): enter process_packet<BR>TRACE (79): process_packet:
packet type = 98<BR>TRACE (79): enter recv_msg_channel_request<BR>TRACE (79):
enter chansessionrequest<BR>TRACE (79): type is x11-req<BR>TRACE (79):
setnonblocking: 8<BR>TRACE (79): leave setnonblocking<BR>TRACE (79): new
listener num 0 <BR>TRACE (79): enter send_msg_channel_success<BR>TRACE (79):
enter encrypt_packet()<BR>TRACE (79): encrypt_packet type is 99<BR>TRACE (79):
enter writemac<BR>TRACE (79): leave writemac<BR>TRACE (79): enter
enqueue<BR>TRACE (79): leave enqueue<BR>TRACE (79): leave
encrypt_packet()<BR>TRACE (79): leave send_msg_channel_success<BR>TRACE (79):
leave chansessionrequest<BR>TRACE (79): leave recv_msg_channel_request<BR>TRACE
(79): leave process_packet<BR>TRACE (79): check_close: writefd -2, readfd -2,
errfd -1, sent_close 0, recv_close 0<BR>TRACE (79): writebuf size 0 extrabuf
size 0<BR>TRACE (79): sesscheckclose, pid is -1<BR>TRACE (79): sesscheckclose,
pid is -1<BR>TRACE (79): enter write_packet<BR>TRACE (79): empty queue
dequeing<BR>TRACE (79): leave write_packet<BR>TRACE (79): enter
read_packet<BR>TRACE (79): enter decrypt_packet<BR>TRACE (79): leave
decrypt_packet<BR>TRACE (79): leave read_packet<BR>TRACE (79): enter
process_packet<BR>TRACE (79): process_packet: packet type = 98<BR>TRACE (79):
enter recv_msg_channel_request<BR>TRACE (79): enter chansessionrequest<BR>TRACE
(79): type is shell<BR>TRACE (79): enter sessioncommand<BR>TRACE (79): enter
ptycommand<BR>TRACE (80): back to normal sigchld<BR>TRACE (79): enter sigchld
handler<BR>TRACE (79): sigchld handler: pid 80<BR>TRACE (79): using
lastexit<BR>TRACE (79): leave sigchld handler<BR>TRACE (79): continue
ptycommand: parent<BR>TRACE (79): setnonblocking: 6<BR>TRACE (79): leave
setnonblocking<BR>TRACE (79): leave ptycommand<BR>TRACE (79): enter
send_msg_channel_success<BR>TRACE (79): enter encrypt_packet()<BR>TRACE (79):
encrypt_packet type is 99<BR>[79] Jul 07 15:58:55 exit after auth
(Administrator): bad buf_incrlen<BR>TRACE (79): enter session_cleanup<BR>TRACE
(79): enter chancleanup<BR>TRACE (79): channel 0 closing<BR>TRACE (79): enter
remove_channel<BR>TRACE (79): channel index is 24<BR>TRACE (79): CLOSE writefd
16<BR>TRACE (79): CLOSE readfd 24<BR>TRACE (79): CLOSE errfd 24<BR>TRACE (79):
leave remove_channel<BR>TRACE (79): leave chancleanup<BR>TRACE (79): leave
session_cleanup<BR># </FONT></SPAN></DIV>
<DIV><SPAN class=296051018-07072009><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV> </DIV>
<DIV class=Section1>
<P class=MsoAutoSig><SPAN style="FONT-SIZE: 10pt">Steve Spano,
President<?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P class=MsoAutoSig><SPAN style="FONT-SIZE: 10pt">Finger Lakes
Engineering<o:p></o:p></SPAN></P>
<P class=MsoAutoSig><SPAN
style="FONT-SIZE: 10pt"><o:p> </o:p></SPAN></P></DIV>
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