Re: [CentOS] postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied

2011-10-05 Thread Alexander Farber
Also needed for Gmail in sendmail.mc:

define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5
LOGIN PLAIN')dnl

FEATURE(`authinfo',`hash /etc/mail/auth/client-info')dnl
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Re: [CentOS] postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied

2011-10-05 Thread Alexander Farber
Thanks Craig for your comments.

I've got my sendmail on CentOS 6 working with:

# yum erase postfix
# yum install sendmail sendmail-cf

# mkdir /etc/mail/auth
# chmod 700 /etc/mail/auth
# mkdir /etc/mail/certs
# chmod 700 /etc/mail/certs

Create the file /etc/mail/auth/client-info:

AuthInfo:smtp.gmail.com "U:smmsp" "I:Alexander.Farber" "P:XXX" "M:PLAIN"
AuthInfo:smtp.gmail.com:587 "U:smmsp" "I:Alexander.Farber" "P:XXX" "M:PLAIN"

# cd /etc/mail/auth
# makemap -r hash client-info.db < client-info

# cd /etc/mail/certs
# openssl dsaparam 1024 -out dsa1024.pem
# openssl req -x509 -nodes -days 3650 -newkey dsa:dsa1024.pem -out
/etc/mail/certs/mycert.pem -keyout /etc/mail/certs/mykey.pem
# ln -s /etc/mail/certs/mycert.pem /etc/mail/certs/CAcert.pem
# rm dsa1024.pem
# chmod 400 *.pem

Added to file /etc/mail/sendmail.mc:

define(`SMART_HOST', `smtp.gmail.com')dnl

define(`CERT_DIR', `MAIL_SETTINGS_DIR`'certs')
define(`confCACERT_PATH', `CERT_DIR')
define(`confCACERT', `CERT_DIR/CAcert.pem')
define(`confSERVER_CERT', `CERT_DIR/mycert.pem')
define(`confSERVER_KEY', `CERT_DIR/mykey.pem')
define(`confCLIENT_CERT', `CERT_DIR/mycert.pem')
define(`confCLIENT_KEY', `CERT_DIR/mykey.pem')

Then "make" in /etc/mail and "service sendmail restart"

I understand your point that it is stupid of me (and probably
many other users) to ask same questions again and
again, without really understanding what's going on :-)

The file /etc/pki/tls/misc/CA.pl on CentOS is cubersome
to understand though. I tried creating ./CA.pl -newca etc.
but then I wanted to start over because of an invalid
input made by myself and I didn't even know how.

I know CA.pl keeps a text file somewhere where it
stores increasing integer numbers... but couldn't find it

Regards
Alex
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Re: [CentOS] postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied

2011-10-04 Thread Craig White

On Oct 4, 2011, at 1:46 PM, Alexander Farber wrote:

> Hello,
> 
> On Tue, Oct 4, 2011 at 10:37 PM, Craig White  wrote:
>>> postfix/smtp[2061]: warning: TLS library problem:
>>> 2061:error:0906D06C:PEM routines:PEM_read_bio:no start
>>> line:pem_lib.c:698:Expecting: TRUSTED CERTIFICATE:
>>> postfix/smtp[2061]: warning: TLS library problem:
>>> 2061:error:140DC009:SSL
>> 
>> There's something wrong with this file as it is not a PEM encoded 
>> certificate file as is expected.
>> 
>> Easy enough to verify...
>> 
>> openssl x509 -in $YOUR_CERTIFICATE.pem -noout -text
> 
> oops, sorry, after struggling I've just deleted
> that file and installed sendmail. I'll try your suggestion
> later though with my development VM.
> 
> Could the reason also be that I've started with
> a minimalistic CentOS 6 installation and was
> missing the cyrus-sasl-plain and cyrus-sasl-md5 packages?

I personally have found postfix much easier to deal with in all phases, 
especially with details such as sasl and ldap.

I think your issue was not understanding what the certificates are, how they 
are created, how they interact, etc. and thus your issue really isn't going to 
be solved with either postfix or sendmail but rather certificates in general.

If you are going to have self-signed certificates, you need a mechanism to:

1 - create a CA (Certificate Authority) and generate a private key and a CA 
Certificate. This private key would be needed to sign certificate requests.

2 - generate a signing request for various services such as an SMTP server - 
this should include a directive to output the key into a separate file. This 
key is NOT the CA key.

3 - sign the request which generates a PEM encoded certificate and thus you 
should end up with 3 files useful for your SMTP server:
- ca certificate
- smtp certificate
- smtp key (for the certificate)

This methodology counts on various SMTP servers to not verify the client 
certificate your SMTP server presents (ie, Google in your case if I recall 
correctly) which is generally the case.

I have implemented a reasonably feature complete set of scripts to be my own CA 
with 4 distinct certificate types (1 for HTTP server, 1 for IMAP servers, 1 for 
SMTP servers and 1 for LDAP servers) and a reasonably feature complete set of 
scripts for an LDAP server (master), LDAP server (slave aka replicant) and LDAP 
clients and at some point, I will try to figure out a way to pass this info on 
to others but I suspect that it will take a long time to document because I 
would suspect that the target audience isn't fully up to speed.

I don't think either of the 2 cyrus-sasl packages you mentioned are required to 
send e-mail via tls to Google's SMTP server but I haven't installed RHEL or 
CentOS 6 so I wouldn't know but those are very small packages and won't hurt to 
install... I think they are both geared to your server authenticating users but 
I am not sure.

Craig

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Re: [CentOS] postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied

2011-10-04 Thread Alexander Farber
Hello,

On Tue, Oct 4, 2011 at 10:37 PM, Craig White  wrote:
>> postfix/smtp[2061]: warning: TLS library problem:
>> 2061:error:0906D06C:PEM routines:PEM_read_bio:no start
>> line:pem_lib.c:698:Expecting: TRUSTED CERTIFICATE:
>> postfix/smtp[2061]: warning: TLS library problem:
>> 2061:error:140DC009:SSL
>
> There's something wrong with this file as it is not a PEM encoded certificate 
> file as is expected.
>
> Easy enough to verify...
>
> openssl x509 -in $YOUR_CERTIFICATE.pem -noout -text

oops, sorry, after struggling I've just deleted
that file and installed sendmail. I'll try your suggestion
later though with my development VM.

Could the reason also be that I've started with
a minimalistic CentOS 6 installation and was
missing the cyrus-sasl-plain and cyrus-sasl-md5 packages?

Thank you
Alex
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Re: [CentOS] postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied

2011-10-04 Thread Craig White

On Oct 4, 2011, at 12:18 PM, Alexander Farber wrote:

> Thank you, the "ls -laF" tip is good
> 
> And now I unfortunately get:
> 
> postfix/postfix-script[2054]: starting the Postfix mail system
> postfix/master[2056]: daemon started -- version 2.6.6, configuration
> /etc/postfix
> postfix/qmgr[2059]: F10CC31D62CC: from=,
> size=609, nrcpt=1 (queue active)
> postfix/smtp[2061]: warning: cannot get RSA certificate from file
> /etc/pki/tls/gmail_relay/server.pem: disabling TLS support
> postfix/smtp[2061]: warning: TLS library problem:
> 2061:error:0906D06C:PEM routines:PEM_read_bio:no start
> line:pem_lib.c:698:Expecting: TRUSTED CERTIFICATE:
> postfix/smtp[2061]: warning: TLS library problem:
> 2061:error:140DC009:SSL
> routines:SSL_CTX_use_certificate_chain_file:PEM lib:ssl_rsa.c:729:
> postfix/smtp[2061]: F10CC31D62CC: to=,
> orig_to=, relay=smtp.gmail.com[74.125.39.109]:587, delay=2963,
> delays=2963/0.07/0.03/0.01, dsn=5.7.0, status=bounced (host
> smtp.gmail.com[74.125.39.109] said: 530 5.7.0 Must issue a STARTTLS
> command first. m26sm26530788fac.6 (in reply to MAIL FROM command))
> postfix/cleanup[2064]: 2FE0C31D6686:
> message-id=<20111004191529.2FE0C31D6686@preferans.localdomain>
> postfix/bounce[2063]: F10CC31D62CC: sender non-delivery notification:
> 2FE0C31D6686
> postfix/qmgr[2059]: 2FE0C31D6686: from=<>, size=2696, nrcpt=1 (queue active)
> postfix/qmgr[2059]: F10CC31D62CC: removed

this is your problem and it is significant...

> postfix/smtp[2061]: warning: TLS library problem:
> 2061:error:0906D06C:PEM routines:PEM_read_bio:no start
> line:pem_lib.c:698:Expecting: TRUSTED CERTIFICATE:
> postfix/smtp[2061]: warning: TLS library problem:
> 2061:error:140DC009:SSL

There's something wrong with this file as it is not a PEM encoded certificate 
file as is expected.

Easy enough to verify...

openssl x509 -in $YOUR_CERTIFICATE.pem -noout -text

Craig
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Re: [CentOS] postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied

2011-10-04 Thread Alexander Farber
Eventhough I have at the bottom of main.cf:

 GMail SSL SMTP Relay
relayhost = [smtp.gmail.com]:587
#auth
smtp_sasl_auth_enable=yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd

#tls
smtp_use_tls = yes
smtp_sasl_security_options = noanonymous
smtp_sasl_tls_security_options = noanonymous
smtp_tls_note_starttls_offer = yes
tls_random_source = dev:/dev/urandom
smtp_tls_scert_verifydepth = 5
smtp_tls_key_file=/etc/pki/tls/gmail_relay/server.key
smtp_tls_cert_file=/etc/pki/tls/gmail_relay/server.pem
smtpd_tls_ask_ccert = yes
smtpd_tls_req_ccert =no
smtp_tls_enforce_peername = no


On Tue, Oct 4, 2011 at 9:18 PM, Alexander Farber
 wrote:
> postfix/smtp[2061]: F10CC31D62CC: to=,
> orig_to=, relay=smtp.gmail.com[74.125.39.109]:587, delay=2963,
> delays=2963/0.07/0.03/0.01, dsn=5.7.0, status=bounced (host
> smtp.gmail.com[74.125.39.109] said: 530 5.7.0 Must issue a STARTTLS
> command first. m26sm26530788fac.6 (in reply to MAIL FROM command))
> postfix/cleanup[2064]: 2FE0C31D6686:
> message-id=<20111004191529.2FE0C31D6686@preferans.localdomain>
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Re: [CentOS] postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied

2011-10-04 Thread Alexander Farber
Thank you, the "ls -laF" tip is good

And now I unfortunately get:

postfix/postfix-script[2054]: starting the Postfix mail system
postfix/master[2056]: daemon started -- version 2.6.6, configuration
/etc/postfix
postfix/qmgr[2059]: F10CC31D62CC: from=,
size=609, nrcpt=1 (queue active)
postfix/smtp[2061]: warning: cannot get RSA certificate from file
/etc/pki/tls/gmail_relay/server.pem: disabling TLS support
postfix/smtp[2061]: warning: TLS library problem:
2061:error:0906D06C:PEM routines:PEM_read_bio:no start
line:pem_lib.c:698:Expecting: TRUSTED CERTIFICATE:
postfix/smtp[2061]: warning: TLS library problem:
2061:error:140DC009:SSL
routines:SSL_CTX_use_certificate_chain_file:PEM lib:ssl_rsa.c:729:
postfix/smtp[2061]: F10CC31D62CC: to=,
orig_to=, relay=smtp.gmail.com[74.125.39.109]:587, delay=2963,
delays=2963/0.07/0.03/0.01, dsn=5.7.0, status=bounced (host
smtp.gmail.com[74.125.39.109] said: 530 5.7.0 Must issue a STARTTLS
command first. m26sm26530788fac.6 (in reply to MAIL FROM command))
postfix/cleanup[2064]: 2FE0C31D6686:
message-id=<20111004191529.2FE0C31D6686@preferans.localdomain>
postfix/bounce[2063]: F10CC31D62CC: sender non-delivery notification:
2FE0C31D6686
postfix/qmgr[2059]: 2FE0C31D6686: from=<>, size=2696, nrcpt=1 (queue active)
postfix/qmgr[2059]: F10CC31D62CC: removed
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Re: [CentOS] postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied

2011-10-04 Thread Alexander Farber
Nevermind - solved that by

# sudo chown root.root sasl_passwd

(sorry, too tired in the evening)

On Tue, Oct 4, 2011 at 9:04 PM, Alexander Farber
 wrote:
> I'm trying to configure mail forwarding through Gmail
> on CentOS 6 with postfix, following the blog
> http://carlton.oriley.net/blog/?p=31
> and I think the blog has missed the step:
>
> # postmap /etc/postfix/sasl_passwd
>
>  - as I've seen in the /var/log/maillog:
>
> postfix/smtp[1926]: fatal: open database /etc/postfix/sasl_passwd.db:
> No such file or directory
> postfix/master[1831]: warning: process /usr/libexec/postfix/smtp pid
> 1926 exit status 1
> postfix/master[1831]: warning: /usr/libexec/postfix/smtp: bad command
> startup -- throttling
>
> But when I try to run postmap, I get
>
> postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied
>
> even though the postfix service is stopped,
> the SELinux is permissive and the file is writable:
>
> [root@preferans postfix]# ll
> -rw-r--r--. 1 root    root  20K Jun 25 14:50 access
> -rw-r--r--. 1 root    root  12K Jun 25 14:50 canonical
> -rw-r--r--. 1 root    root 9.7K Jun 25 14:50 generic
> -rw-r--r--. 1 root    root  18K Jun 25 14:50 header_checks
> -rw-r--r--. 1 root    root  27K Oct  4 20:24 main.cf
> -rw-r--r--. 1 root    root  27K Oct  4 20:23 main.cf.OLD
> -rw-r--r--. 1 root    root 5.0K Jun 25 14:50 master.cf
> -rw-r--r--. 1 root    root 6.7K Jun 25 14:50 relocated
> -rw-r--r--. 1 postfix root  113 Oct  4 20:25 sasl_passwd
> -rw-r--r--. 1 root    root  13K Jun 25 14:50 transport
> -rw-r--r--. 1 root    root  13K Jun 25 14:50 virtual
>
> Has anybody fought this problem already?
>
> Thank you
> Alex
>
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Re: [CentOS] postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied

2011-10-04 Thread m . roth
Alexander Farber wrote:
> I'm trying to configure mail forwarding through Gmail
> on CentOS 6 with postfix, following the blog
> http://carlton.oriley.net/blog/?p=31
> and I think the blog has missed the step:
>
> # postmap /etc/postfix/sasl_passwd
>
>  - as I've seen in the /var/log/maillog:
>
> postfix/smtp[1926]: fatal: open database /etc/postfix/sasl_passwd.db:
> No such file or directory

> But when I try to run postmap, I get
>
> postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission
> denied
>
> even though the postfix service is stopped,
> the SELinux is permissive and the file is writable:
>
> [root@preferans postfix]# ll
> -rw-r--r--. 1 rootroot  20K Jun 25 14:50 access

One thing I keep finding very annoying with most versions of Linux is the
alias for ll, which is *not* what I was used to in sun, Solaris, Irix, or
Tru64. Out of curiosity, try ls -laF /etc/postfix, and the libexec, and
let's see what permissions and ownerships the *directories* have.

   mark

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