[scponly] Re: using scponly under IRIX

[joe]

Awesome, I will try to incorporate this info into 3.2.

thanks very much,
joe

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On Wed, 9 Oct 2002, Olaf Menkens wrote:

> Hi Joe,
>
> Thank you for developing scponly !
> This is the solution to avoid anonymous ftp uploads, which I was looking
> for quite a while.
>
> Finally I managed to get scponly to work on SGI - IRIX in a chroot'ed
> environment !
>
> I had to do some minor changes:
>
>  - to compile, I needed to run "env CC=gcc gmake install-chroot",
>    (gmake is GNU-make from /usr/freeware)
>
>  - in the sources I needed to change the call to openlog(), as
> "LOG_AUTHPRIV" is unknown in IRIX. I used "LOG_AUTH" instead. (the only
> source patch necessary !)
>
> - the manual page is formatted in a way IRIX can't understand. As I'm no
> expert in this, I decided to format it under Linux "man scponly >
> scponly.8.out". This can be installed after compression on IRIX as a
> "preformatted" man page into /usr/share/catman/local/cat8 as scponly.Z.
>
>  - setting up a chrooted environment under IRIX is quite different to
> what is done by setup_chroot: Below I appended a list of all files, I
> needed to install/copy.
>
> Notes to the chroot environment:
>  - IRIX supports three ABIs (o32, n32, n64), but most binaries use n32
> today, so support for n32 should be sufficient (check with `file bin/*`)
>  - /lib32/rld is the runtime linker, which opens /dev/zero for some
> unknown reason
>  - system(3) calls /sbin/sh, thus the link from /sbin to /bin
>  - "ldd bin/*", as done by setup_chroot doesn't work, as it fails for
> the static binaries.
>
> Olaf
>
> P.S.: In case other users try to install scponly under IRIX, you might
> decide to add this mail as "README.IRIX" to the source distribution. I
> could also try to develop a patch to add IRIX compatibility, but this is
> a rather difficult task, as some software (gcc, gmake, scp, libcrypto,
> ...) are nonstandard tools under IRIX and might be installed to
> different places than on my machine.
>
>
> [server->home/scpguest] 172> ls -lR
> total 8
> drwxr-xr-x    2 root     sys         4096 Oct  9 20:06 bin/
> drwxr-xr-x    2 root     sys           17 Oct  9 18:43 dev/
> drwxr-xr-x    2 root     sys           31 Oct  9 19:33 etc/
> drwxr-xr-x    2 scpguest scponly       22 Oct  9 20:33 incoming/
> drwxr-xr-x    2 root     sys           83 Oct  9 18:50 lib32/
> lrwxr-xr-x    1 root     sys            3 Oct  9 20:00 sbin -> bin/
> drwxr-xr-x    3 root     sys           18 Oct  9 20:36 usr/
>
> ./bin:
> total 2432
> -rwx--x--x    1 root     sys        14060 Oct  9 15:13 chmod*
> -rwx--x--x    1 root     sys        14104 Oct  9 15:14 chown*
> -rwx--x--x    1 root     sys        13824 Oct  9 15:14 groups*
> -rwx--x--x    1 root     sys        22200 Oct  9 18:51 ldd*
> -rwx--x--x    1 root     sys       316588 Oct  9 15:14 ln*
> -rwx--x--x    1 root     sys        39620 Oct  9 19:25 ls*
> -rwx--x--x    1 root     sys        13992 Oct  9 15:13 mkdir*
> lrwxr-xr-x    1 root     sys            2 Oct  9 18:46 mv -> ln*
> -rwx--x--x    1 root     sys         9568 Oct  9 15:14 pwd*
> -rwx--x--x    1 root     sys        18224 Oct  9 15:13 rm*
> -rwx--x--x    1 root     sys        13792 Oct  9 15:13 rmdir*
> -rwx--x--x    1 root     sys        64904 Oct  9 15:13 scp*
> -rwx--x--x    1 root     sys        68424 Oct  9 15:13 sftp-server*
> -rwx--x--x    1 root     sys       606532 Oct  9 15:13 sh*
>
> ./dev:
> total 0
> crw-rw-rw-    1 root     sys        37,  0 Oct  9 20:29 zero
>
> ./etc:
> total 16
> -rw-r--r--    1 root     sys           56 Oct  9 19:34 group
> -rw-r--r--    1 root     sys          194 Oct  9 19:32 passwd
>
> ./incoming:
> total 0
>
> ./lib32:
> total 10664
> -r-xr-xr-t    1 root     sys       2684664 Oct  9 18:42 libc.so.1*
> -rw-r--r--    1 root     sys       2053348 Oct  9 18:50 libcrypto.so.0
> -r--r--r--    1 root     sys         88132 Oct  9 18:47 libgen.so
> -rwxr-xr-x    1 root     sys        132724 Oct  9 18:50 libz.so*
> -rwxr-xr-x    1 root     sys        490256 Oct  9 18:40 rld*
>
> ./usr:
> total 0
> drwxr-xr-x    2 root     sys           38 Oct  9 20:33 lib32/
>
> ./usr/lib32:
> total 0
> lrwxr-xr-x    1 root     sys           21 Oct  9 20:33 libc.so.1 ->
> ../../lib32/libc.so.1*
> lrwxr-xr-x    1 root     sys           21 Oct  9 18:55 libgen.so ->
> ../../lib32/libgen.so
>
>