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LDAP config: fix substitution variables (#11586)

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- In username search filter and username format variables we support %s for
replacing with the username.

- In group search filter we support %s for username and %d for the full DN of
the username.
This commit is contained in:
Aditya Manthramurthy 2021-02-22 13:20:36 -08:00 committed by GitHub
parent cec12f4c76
commit 02e7de6367
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2 changed files with 9 additions and 2 deletions
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3
cmd/config/identity/ldap/config.go
View File

@ -301,7 +301,8 @@ func (l *Config) Bind(username, password string) (string, []string, error) {
var groups []string
if l.GroupSearchFilter != "" {
for _, groupSearchBase := range l.GroupSearchBaseDistNames {
filter := strings.Replace(l.GroupSearchFilter, "%s", ldap.EscapeFilter(bindDN), -1)
filter := strings.Replace(l.GroupSearchFilter, "%s", ldap.EscapeFilter(username), -1)
filter = strings.Replace(filter, "%d", ldap.EscapeFilter(bindDN), -1)
searchRequest := ldap.NewSearchRequest(
groupSearchBase,
ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,

8
docs/sts/ldap.md
View File

@ -123,7 +123,13 @@ export MINIO_IDENTITY_LDAP_TLS_SKIP_VERIFY=on
### Variable substitution in AD/LDAP configuration strings ###
`%s` is replaced with *username* automatically for construction bind_dn, search_filter and group_search_filter.
In the configuration variables, `%s` is substituted with the *username* from the STS request and `%d` is substituted with the *distinguished username (user DN)* of the LDAP user. Please see the following table for which configuration variables support these substitution variables:
| Variable | Supported substitutions |
|---------------------------------------------|-------------------------|
| `MINIO_IDENTITY_LDAP_USERNAME_FORMAT` | `%s` |
| `MINIO_IDENTITY_LDAP_USER_DN_SEARCH_FILTER` | `%s` |
| `MINIO_IDENTITY_LDAP_GROUP_SEARCH_FILTER` | `%s` and `%d` |
## Managing User/Group Access Policy