[exim] Exim 4.94 new config for routers (Tainted filename fo…

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Autor: SysAdmin EM
Data:  
A: exim-users
Assumpte: [exim] Exim 4.94 new config for routers (Tainted filename for search)
Hello,
i update my exim version from 4.92 to 4.94.

I try send an email to a test domain and see this error:

2021-05-11 13:33:47 1lgVKM-0001dB-2z <= emawata@??? H=
mail-qk1-f170.google.com [209.85.222.170] P=esmtps
X=TLS1.2:ECDHE-RSA-AES128-GCM-SHA256:128 CV=no K S=3515
id=CAGUDtn=vYmu9=GmjZ=+h3Y6HaEjDTv-GtXFuaW6=YVq_E3OXyA@???
2021-05-11 13:33:47 1lgVKM-0001dB-2z Tainted filename for search:
'/opt/exim/valiases/dominioprueba1.tk'
2021-05-11 13:33:47 1lgVKM-0001dB-2z == no-reply@???
R=virtual_aliases_nostar defer (-1): failed to expand "${if
exists{/opt/exim/valiases/$domain}{${lookup{$local_part@$domain}lsearch{/opt/exim/valiases/$domain}}}}":
NULL

I have read the changes of the new version, I must use the variables $
local_part_data and $ domain_data but I don't understand how to adapt this
to my routers.

Can someone help me adapt the following router to take as an example.

virtual_aliases_nostar:
driver = redirect
allow_defer
allow_fail
data = ${if exists{/opt/exim/valiases/$domain}{${lookup{$local_part@
$domain}lsearch{/opt/exim/valiases/$domain}}}}..
file_transport = address_file
group = exim
pipe_transport = virtual_address_pipe
retry_use_local_part
domains = lsearch;/opt/exim/localdomains
unseen

I have tried using dsearch as they recommend but I am getting an error:

[root@vps-1713830-x ~] # /opt/exim/bin/exim -d -be '${if
exists{/opt/exim/valiases/dominioprueba1.tk}{${
lookup{no-reply@???}dsearch,ret=full{/opt/exim/valiases}}}}'
Exim version 4.94.2 uid=0 gid=0 pid=8957 D=f7715cfd
Support for: crypteq iconv() IPv6 Perl OpenSSL Content_Scanning DANE DKIM
DNSSEC Event PIPE_CONNECT PRDR SPF TCP_Fast_Open
Lookups (built-in): lsearch wildlsearch nwildlsearch iplsearch dbm dbmjz
dbmnz dsearch mysql
Authenticators: cram_md5 plaintext spa
Routers: accept dnslookup ipliteral manualroute queryprogram redirect
Transports: appendfile/maildir autoreply pipe smtp
Malware: f-protd f-prot6d drweb fsecure sophie clamd avast sock cmdline
Fixed never_users: 0
Configure owner: 0:0
Size of off_t: 8
Compiler: GCC [4.8.5 20150623 (Red Hat 4.8.5-44)]
Library version: Glibc: Compile: 2.17
                       Runtime: 2.17
Library version: BDB: Compile: Berkeley DB 5.3.21: (May 11, 2012)
                     Runtime: Berkeley DB 5.3.21: (May 11, 2012)
Library version: OpenSSL: Compile: OpenSSL 1.0.2k-fips  26 Jan 2017
                         Runtime: OpenSSL 1.0.2k-fips  26 Jan 2017
                                : built on: reproducible build, date
unspecified
Library version: spf2: Compile: 1.2.10
                      Runtime: 1.2.10
Library version: PCRE: Compile: 8.32
                      Runtime: 8.32 2012-11-30
Total 11 lookups
Library version: MySQL: Compile: 50732 5.7.32 [mysqld-5.7]
                       Runtime: 50732 5.7.32
WHITELIST_D_MACROS unset
TRUSTED_CONFIG_LIST unset
changed uid/gid: -C, -D, -be or -bf forces real uid
 uid=0 gid=0 pid=8957
 auxiliary group list: 0
openssl option, adding to     03104000: 01000000 (no_sslv2 +no_sslv3
+no_tlsv1)
openssl option, adding to     03104000: 02000000 (no_sslv3 +no_tlsv1)
openssl option, adding to     03104000: 04000000 (no_tlsv1)
configuration file is /etc/exim/configure
log selectors = 00000ffc 19005022 00000003
Starting Perl interpreter
trusted user
admin user
dropping to exim gid; retaining priv uid
seeking password data for user "exim": using cached result
getpwnam() succeeded uid=502 gid=502
seeking password data for user "mailman": cache not available
getpwnam() succeeded uid=1002 gid=1002
originator: uid=0 gid=0 login=root name=root
sender address = root@???
 search_open: dsearch "/opt/exim/valiases"
 search_find: file="/opt/exim/valiases"
   key="no-reply@???" partial=-1 affix=NULL starflags=0
opts="ret=full"
 LRU list:
   3/opt/exim/valiases
   End
 internal_search_find: file="/opt/exim/valiases"
   type=dsearch key="no-reply@???" opts="ret=full"
 file lookup required for no-reply@???
   in /opt/exim/valiases
 lookup failed


search_tidyup called
####################################################################

Regards,