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Old 11-25-2003, 02:36 PM   #1
vrillusions
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Location: Ohio, USA
Distribution: Ubuntu, Debian, CentOS
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compiling vlock for 9.1


I'm trying to get vlock to work. I use that laptop at work alot... at an ISP... around a bunch of people that know linux. So needless to say just using the lock in KDE isn't going to stop them from going to the shell connections. In mandrake, it had vlock already compiled and I just had to install the package and I was good to go. Here, I think the shadow passwords is what's messing me up. I found a precompiled version, but for an old distro at http://homepages.paradise.net.nz/~ca.../packages.html I tried to run that and it said it couldn't do it for mine, probably because it was trying to read the regular password and not the shadow file. So I tried to compile it on my own. Found the distro at http://linux.maruhn.com/sec/vlock.html (went for one of the .tar.gz files) and then tried to compile it and it couldn't find the crypt() function, again because I am using shadow files instead. I also had to disable PAM options in it. What is PAM used for? Has anyone ever gotten it compiled and can just link to it or say how you did it? thanks.
 
Old 11-25-2003, 04:20 PM   #2
Tinkster
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From my understanding PAM still isn't part
of Slackware, PAM is the "pluggable authentication
module" that would allow you to for instance authen-
ticate against a user-database in PostgreSQL, or
OpenLDAP ...

I can't say anything about 9.1, but it compiles
fine in 8.1, with no modifications (and I use the
shadow-password suite, too) ...


Cheers,
Tink
 
Old 11-28-2003, 04:42 PM   #3
vrillusions
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ok, here's the entire session from me trying to compile it (sorry for it being a little long). also, that time I edited the make file, I removed the PAM references. I can post the makefile here too if that would help.

Code:
root@oriana /tmp$ wget --passive-ftp ftp://ftp.nnov.net/pub/software/linu...ock-1.3.tar.gz
--17:33:17--  ftp://ftp.nnov.net/pub/software/linu...ock-1.3.tar.gz
           => `vlock-1.3.tar.gz'
Resolving ftp.nnov.net... done.
Connecting to ftp.nnov.net[81.18.128.209]:21... connected.
Logging in as anonymous ... Logged in!
==> SYST ... done.    ==> PWD ... done.
==> TYPE I ... done.  ==> CWD /pub/software/linux/console ... done.
==> PASV ... done.    ==> RETR vlock-1.3.tar.gz ... done.
Length: 17,188 (unauthoritative)

100%[====================================>] 17,188         9.66K/s    ETA 00:00

17:33:22 (9.66 KB/s) - `vlock-1.3.tar.gz' saved [17188]

root@oriana /tmp$ ls
kde-todd  ksocket-todd  mcop-todd  vlock-1.3.tar.gz  xmms_todd.0
root@oriana /tmp$ tar xvzf vlock-1.3.tar.gz
vlock-1.3/
vlock-1.3/Makefile
vlock-1.3/COPYING
vlock-1.3/signals.c
vlock-1.3/README
vlock-1.3/help.c
vlock-1.3/input.c
vlock-1.3/terminal.c
vlock-1.3/version.h
vlock-1.3/vlock.1
vlock-1.3/vlock.c
vlock-1.3/vlock.h
vlock-1.3/vlock.lsm
vlock-1.3/vlock.pamd
vlock-1.3/vlock.spec
root@oriana /tmp$ make
make: *** No targets specified and no makefile found.  Stop.
root@oriana /tmp$ cd vlock-1.3
root@oriana /tmp/vlock-1.3$ make
gcc -O2 -DUSE_PAM   -c -o vlock.o vlock.c
gcc -O2 -DUSE_PAM   -c -o signals.o signals.c
gcc -O2 -DUSE_PAM   -c -o help.o help.c
gcc -O2 -DUSE_PAM   -c -o terminal.o terminal.c
gcc -O2 -DUSE_PAM   -c -o input.o input.c
input.c:63:31: security/pam_appl.h: No such file or directory
input.c:64:31: security/pam_misc.h: No such file or directory
input.c:66: variable `PAM_conversation' has initializer but incomplete type
input.c:67: `misc_conv' undeclared here (not in a function)
input.c:67: warning: excess elements in struct initializer
input.c:67: warning: (near initialization for `PAM_conversation')
input.c:69: warning: excess elements in struct initializer
input.c:69: warning: (near initialization for `PAM_conversation')
input.c: In function `correct_password':
input.c:90: `pam_handle_t' undeclared (first use in this function)
input.c:90: (Each undeclared identifier is reported only once
input.c:90: for each function it appears in.)
input.c:90: `pamh' undeclared (first use in this function)
input.c:102: `PAM_SUCCESS' undeclared (first use in this function)
input.c:104: `PAM_USER_PROMPT' undeclared (first use in this function)
input.c:117: `PAM_USER' undeclared (first use in this function)
/usr/include/bits/sigset.h: At top level:
input.c:66: storage size of `PAM_conversation' isn't known
make: *** [input.o] Error 1
root@oriana /tmp/vlock-1.3$ vi Makefile
root@oriana /tmp/vlock-1.3$ make
gcc -O2   -c -o input.o input.c
gcc   vlock.o signals.o help.o terminal.o input.o   -o vlock
input.o(.text+0x28): In function `correct_password':
: undefined reference to `crypt'
input.o(.text+0x7a): In function `correct_password':
: undefined reference to `crypt'
collect2: ld returned 1 exit status
make: *** [vlock] Error 1
root@oriana /tmp/vlock-1.3$
 
  


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