From 971dd33244918cde6bf49a2f9c650da856d31cd6 Mon Sep 17 00:00:00 2001 From: Andrew Bartlett Date: Sun, 25 Jan 2004 01:32:37 +0000 Subject: [PATCH] (merge from 3.0) Fix removal of attributes in LDAP - we would not actually remove the old value in the previous code. Andrew Bartlett --- source/lib/smbldap.c | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/source/lib/smbldap.c b/source/lib/smbldap.c index 1156bd66394..150450c83dc 100644 --- a/source/lib/smbldap.c +++ b/source/lib/smbldap.c @@ -425,7 +425,7 @@ BOOL fetch_ldap_pw(char **dn, char** pw) /* all of our string attributes are case insensitive */ - if (existed && (StrCaseCmp(oldval, newval) == 0)) { + if (existed && newval && (StrCaseCmp(oldval, newval) == 0)) { /* Believe it or not, but LDAP will deny a delete and an add at the same time if the values are the @@ -433,26 +433,26 @@ BOOL fetch_ldap_pw(char **dn, char** pw) return; } + if (existed) { + /* There has been no value before, so don't delete it. + * Here's a possible race: We might end up with + * duplicate attributes */ + /* By deleting exactly the value we found in the entry this + * should be race-free in the sense that the LDAP-Server will + * deny the complete operation if somebody changed the + * attribute behind our back. */ + /* This will also allow modifying single valued attributes + * in Novell NDS. In NDS you have to first remove attribute and then + * you could add new value */ + + smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval); + } + /* Regardless of the real operation (add or modify) we add the new value here. We rely on deleting the old value, should it exist. */ if ((newval != NULL) && (strlen(newval) > 0)) { - if (existed) { - /* There has been no value before, so don't delete it. - * Here's a possible race: We might end up with - * duplicate attributes */ - /* By deleting exactly the value we found in the entry this - * should be race-free in the sense that the LDAP-Server will - * deny the complete operation if somebody changed the - * attribute behind our back. */ - /* This will also allow modifying single valued attributes - * in Novell NDS. In NDS you have to first remove attribute and then - * you could add new value */ - - smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval); - } - smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval); } } -- 2.11.4.GIT