Re: [Exim] Failed to get user name for uid 0

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Auteur: Padraic Renaghan
Date:  
À: exim-users
Sujet: Re: [Exim] Failed to get user name for uid 0
Also meant to add...
If I run strace around the exim command I get some interesting output:

[...]

write(2, "Caller is an admin user\n", 24Caller is an admin user
) = 24
write(2, "Caller is a trusted user\n", 25Caller is a trusted user
) = 25
chdir("/var/spool/exim")                = 0
setregid32(0xffffffff, 0xc)             = 0
setresuid32(0xffffffff, 0x8, 0xffffffff) = 0
read(3, "IGURATION                       "..., 4096) = 2125
read(3, "", 4096)                       = 0
close(3)                                = 0
munmap(0x40018000, 4096)                = 0
open("/etc/passwd", O_RDONLY)           = -1 EACCES (Permission denied)
open("/etc/ld.so.cache", O_RDONLY)      = -1 EACCES (Permission denied)
open("/lib/mmx/libnss_nisplus.so.2", O_RDONLY) = -1 EACCES (Permission denied)
stat64("/lib/mmx", 0xbfffdb90)          = -1 EACCES (Permission denied)


[...]

nanosleep({1, 0}, {1, 0})               = 0
open("/etc/passwd", O_RDONLY)           = -1 EACCES (Permission denied)
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGCHLD, NULL, {SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0


[...]


* Padraic Renaghan <list@???> [Apr 21 10:43pm]:
> Exim 3.36 built from source
> Attempting to run on a freshly built RH 7.2 install that was created by
> a series of cp -a commands from another disk that already had RH 7.2 on
> it.
>
> When I attempt to start exim while logged in as root with:
> exim -d9 -bd -q15m
>
> I get:
> Exim version 3.36 debug level 9 uid=0 gid=0
> probably Berkeley DB version 1.8x (native mode)
> Caller is an admin user
> Caller is a trusted user
> LOG: 0 PANIC DIE
> Failed to get user name for uid 0
> 2002-04-22 05:37:24 Failed to get user name for uid 0
> exim: could not open panic log - aborting: original error above
> search_tidyup called
>
> Exim logs are written to /var/log/exim
> Relevant permissions are:
> drwxr-xr-x   16 root     root         4.0k Apr 21 18:48 var
>   drwxr-xr-x    8 root     root         4.0k Apr 21 22:01 log
>     drwxrwxrwx    2 mail     mail         4.0k Apr 21 18:54 exim

>
> Its almost feels like even though I am logged in as root, I am running
> with no permissions. I can't even write to a directory that is 777.
>
> I doubt this is an exim problem as I'm having strangeness with Apache as
> well. I was hoping that the wise exim folk might be able to help me
> diagnose this further.