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hotrs
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Joined: 03 Apr 2007
Posts: 13
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 Posted: Tue Apr 03, 2007 3:33 am Post subject: [solved] starting eggdrop not within its directory |
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Hi *.*.
I try to run eggdrop in a chroot environment with a restricted user account without a shell, therefore I can't execute a shell script to change the current directory.
I try to change all relative paths to absolute paths, f.e.
modules/
to
/usr/local/eggdrop/modules/
which seems to work, but I can't find any variable for the language directory and eggdrop nag about missing language files.
Is there a chance to change the language files directory? Or perhaps I can change the current directory with a tcl statement at the begining of the conf file?
thx,
hotrs
Last edited by hotrs on Thu Apr 05, 2007 3:10 am; edited 1 time in total |
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Alchera
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Joined: 11 Aug 2003
Posts: 3344
Location: Ballarat Victoria, Australia
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| Posted: Tue Apr 03, 2007 8:49 pm Post subject: |
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Search the forums as this problem has been discussed previously.
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rosc2112
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Joined: 19 Feb 2006
Posts: 1454
Location: Northeast Pennsylvania
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| Posted: Wed Apr 04, 2007 12:32 am Post subject: |
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In a chroot environment, your chrooted dir is / so your absolute path should be /modules/ and so on. Another possibility would be ~/modules/ (~ is shorthand for /your/home/dir/ )
Edit: I might've misunderstood the question, after thinking about it for a minute, you should be able to resolve the problem with symlinks (ln -s /path/to/languagefiles/ /chrooted/dir/language) |
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nml375
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Joined: 04 Aug 2006
Posts: 2857
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| Posted: Wed Apr 04, 2007 7:38 am Post subject: |
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As I recall, the only way of relocating language-files is either to edit the source (LANGDIR macro in src/eggdrop.h), or use the environment variable EGG_LANGDIR
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hotrs
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Joined: 03 Apr 2007
Posts: 13
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| Posted: Wed Apr 04, 2007 8:02 am Post subject: |
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| nml375 wrote: | | As I recall, the only way of relocating language-files is either to edit the source (LANGDIR macro in src/eggdrop.h), or use the environment variable EGG_LANGDIR |
Thx for your answer. I allready have done a search BEFORE I post my question - but perhaps I missed the right key words.
I don't want to change the directory structure (f.e. creating links direct unter /chroot/dir/) and I can't execute a shell script.
Is it right that there is no chance for me to use EGG_LANGDIR because of the restricted user account without a home directory and without a shell, too?
Seems to me the only solution is to fix the source or write a little tool which change the current directory and starts eggdrop.
greets,
hotrs |
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nml375
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Joined: 04 Aug 2006
Posts: 2857
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| Posted: Wed Apr 04, 2007 8:07 am Post subject: |
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Well, you could access the environment variables from within tcl using the special tcl array-variable "env": ie. setting env(EGG_LANGDIR) to a new value. I'm not sure however if eggdrop has'nt already tried to load languagefiles when the main config-file is read.
There are a few other tricks that could be tried aswell, depending on how you start your eggie...
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hotrs
Voice
Joined: 03 Apr 2007
Posts: 13
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| Posted: Wed Apr 04, 2007 8:14 am Post subject: |
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| nml375 wrote: |
There are a few other tricks that could be tried aswell, depending on how you start your eggie... |
I use something like this:
| Code: |
chrootuid /chroot/eggdrop/ eggdrop /usr/local/eggdrop/eggdrop /usr/local/eggdrop/eggdrop.conf
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(eggdrop was installed in /chroot/eggdrop/usr/local/eggdrop)
If I can use a special TCL cmd in the conf file to modify the environment, perhaps I can change the current directory using another TCL cmd?
greets,
hotrs |
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nml375
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Joined: 04 Aug 2006
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| Posted: Wed Apr 04, 2007 8:59 am Post subject: |
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Sure, you could always use the "cd" command to change current directory.
I'm not too familiar with chrootuid. I don't suppose your eggdrop inherits the environment from where chrootuid were run?
Ie. doing something like this:
| Code: | | EGG_LANGDIR=/usr/local/eggdrop/language chrootuid /chroot/eggdrop/ eggdrop /usr/local/eggdrop/eggdrop /usr/local/eggdrop/eggdrop.conf |
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NML_375, idling at #eggdrop@IrcNET |
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hotrs
Voice
Joined: 03 Apr 2007
Posts: 13
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| Posted: Wed Apr 04, 2007 9:15 am Post subject: |
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| nml375 wrote: | Sure, you could always use the "cd" command to change current directory.
I'm not too familiar with chrootuid. I don't suppose your eggdrop inherits the environment from where chrootuid were run?
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I will test both, this evening. And I will post the results here.
Thx so far.
greets,
hotrs |
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hotrs
Voice
Joined: 03 Apr 2007
Posts: 13
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| Posted: Wed Apr 04, 2007 3:40 pm Post subject: |
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Both solutions work. I can start chrootuid with a manipulated EGG_LANGDIR environment and I can put a "cd /usr/local/eggdrop" at the beginning of eggdrop.conf.
The first solution could be a problem for other scripts if they use relative paths without a way to set them - I have to test chanstats and moxxquiz. The second one has the problem that the first messages from eggdrop a shorten to "MSG XYZ", but that doesn't bother me mutch.
If I found some time at the weekend I will write the little start tool.
greets,
hotrs |
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DragnLord
Owner
Joined: 24 Jan 2004
Posts: 711
Location: C'ville, Virginia, USA
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| Posted: Wed Apr 04, 2007 4:21 pm Post subject: |
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you could also edit src/eggdrop.h before compile:
#define LANGDIR "./language" /* language file directory */
change "./language" to the full path |
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hotrs
Voice
Joined: 03 Apr 2007
Posts: 13
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| Posted: Thu Apr 05, 2007 2:48 am Post subject: |
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| DragnLord wrote: | you could also edit src/eggdrop.h before compile:
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Yes, this was allready mentioned by nml375, but I want to avoid changing the source. And it doesn't solve the problems with other scripts using relative paths.
greets,
hotrs |
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hotrs
Voice
Joined: 03 Apr 2007
Posts: 13
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| Posted: Mon Apr 09, 2007 10:06 am Post subject: |
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| Code: |
/*
cdandexec.c
change dir and execute
usage: cdandexec dir cmd [arg]
Version 1.0
(c) 2007 Björn Schreiber
*/
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[]) {
// check argv
if (argc < 3) {
printf("usage: %s dir cmd [arg]\n", argv[0]);
return EXIT_FAILURE;
}
// chdir
if (chdir(argv[1]) != 0) {
perror("error changing dir");
return EXIT_FAILURE;
}
// execute
if (execv(argv[2], &argv[2]) != 0) {
perror("error executing cmd");
return EXIT_FAILURE;
} else
return EXIT_SUCCESS;
}
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This is the little tool I use to start eggdrop in a chroot environment. Perhaps somebody find it useful, so I post it here.
I'm not a C/C++ programmer, so comments are welcome  .
greets,
hotrs |
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