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Allow service user for determining DN #3

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Allow service user for determining DN #3

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e5def4b
Allow service user for determining DN
LukasK13 Feb 27, 2020
ce3adff
Create .gitignore
LukasK13 Mar 21, 2020
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2 changes: 2 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@

.DS_Store
36 changes: 25 additions & 11 deletions ldap-auth.sh
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Expand Up @@ -90,6 +90,13 @@ USERNAME_PATTERN='^[a-z|A-Z|0-9|_|-|.]+$'
# You could process them in your own on_auth_success hook.
#ATTRS="cn"

# If you want to use a service user account for determining the dn
# (i.e. if your server uses cn= instead of uid= for the dn)
# In this case, BASEDN should be look like "ou=people,dc=example,dc=com"
# and SCOPE should be set to "sub".
# BINDDN="cn=serviceUser,ou=people,dc=example,dc=com"
# BINDPASS="passwordOfServiceUser"

# When the timeout (in seconds) is exceeded (e.g. due to slow networking),
# authentication fails.
TIMEOUT=3
Expand Down Expand Up @@ -129,17 +136,24 @@ ldap_auth_curl() {
}

ldap_auth_ldapsearch() {
common_opts="-o nettimeout=$TIMEOUT -H $SERVER -x"
[ -z "$DEBUG" ] || common_opts="-v $common_opts"
if [ -z "$BASEDN" ]; then
output=$(ldapwhoami $common_opts -D "$USERDN" -w "$password")
else
output=$(ldapsearch $common_opts -LLL \
-D "$USERDN" -w "$password" \
-s "$SCOPE" -b "$BASEDN" "$FILTER" dn $ATTRS)
fi
[ $? -ne 0 ] && return 1
return 0
common_opts="-o nettimeout=$TIMEOUT -H $SERVER -x"
[ -z "$DEBUG" ] || common_opts="-v $common_opts"
if [ -z "$BASEDN" ]; then
output=$(ldapwhoami $common_opts -D "$USERDN" -w "$password")
elif [ -z "$BINDDN"]; then
output=$(ldapsearch $common_opts -LLL \
-D "$USERDN" -w "$password" \
-s "$SCOPE" -b "$BASEDN" "$FILTER" dn $ATTRS)
else
dn=$(ldapsearch $common_opts -LLL \
-D "$BINDDN" -w "$BINDPASS" \
-s sub -b "$BASEDN" "(uid=$(ldap_dn_escape $username))" dn | grep 'dn: ' | sed 's/dn: //')
output=$(ldapsearch $common_opts -LLL \
-D "$dn" -w "$password" \
-s "$SCOPE" -b "$dn" "$FILTER" dn $ATTRS)
fi
[ $? -ne 0 ] && return 1
return 0
}


Expand Down