Re: LDIF modify syntax

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Kyle Tucker wrote:
Kyle Tucker wrote:
But recent research into LDIF revealed that the proper way
What do you mean by "recent" here? RFC 2849 was published in 2000, and I don't think there was much further research. That document illustrate even wiser (and syntactically correct) means to perform the modifications you need.

I was referring to my research. I was more looking into why the other
non-replace method works, if it was some optional syntax or if it wasn't
even working as it seemed, although all evidence I saw indicated it was.


> dn: uid=$UID, ou=People, $DNDOMAIN
> changetype: modify
> shadowLastChange: $TODAY
> userPassword: $PWHASH

The above is a bug (feature?) of the LDIF parsing routine, a bit too liberal

> dn: uid=$UID, ou=People, $DNDOMAIN
> changetype: modify
> replace: shadowLastChange
> shadowLastChange: $TODAY
>
> dn: uid=$UID, ou=People, $DNDOMAIN
> changetype: modify
> replace: userPassword
> userPassword: $PWHASH

The above, according to RFC 2849, can be summarized in

dn: uid=$UID, ou=People, $DNDOMAIN
changetype: modify
replace: shadowLastChange
shadowLastChange: $TODAY
-
replace: userPassword
userPassword: $PWHASH
-

with two relevant consequences:
1) only one operation is performed instead of two;
2) as a consequence, the modification is atomic, i.e. either they both succeed or they both fail; the way you indicated, they could have independently succeeded or failed.

p.



Ing. Pierangelo Masarati
OpenLDAP Core Team

SysNet s.n.c.
Via Dossi, 8 - 27100 Pavia - ITALIA
http://www.sys-net.it
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Email:    pierangelo.masarati@xxxxxxxxxx
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