From 7f97e6098503a4426dbeeb773b48f27041440be2 Mon Sep 17 00:00:00 2001
From: Ignacio Reguero <Ignacio.Reguero@cern.ch>
Date: Thu, 2 Mar 2017 14:51:00 +0100
Subject: UTIL: first letter of user name template for override_homedir
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Resolves:
https://pagure.io/SSSD/sssd/issue/2668

Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
---
 src/man/include/override_homedir.xml |  4 ++++
 src/util/sss_nss.c                   | 17 +++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/src/man/include/override_homedir.xml b/src/man/include/override_homedir.xml
index 61de52e00..803cd1980 100644
--- a/src/man/include/override_homedir.xml
+++ b/src/man/include/override_homedir.xml
@@ -23,6 +23,10 @@
                 <term>%f</term>
                 <listitem><para>fully qualified user name (user@domain)</para></listitem>
             </varlistentry>
+            <varlistentry>
+                <term>%l</term>
+                <listitem><para>The first letter of the login name.</para></listitem>
+            </varlistentry>
             <varlistentry>
                 <term>%P</term>
                 <listitem><para>UPN - User Principal Name (name@REALM)</para></listitem>
diff --git a/src/util/sss_nss.c b/src/util/sss_nss.c
index d1ad5433f..cf91a2c53 100644
--- a/src/util/sss_nss.c
+++ b/src/util/sss_nss.c
@@ -88,6 +88,23 @@ char *expand_homedir_template(TALLOC_CTX *mem_ctx,
                 talloc_free(username);
                 break;
 
+            case 'l':
+                if (homedir_ctx->username == NULL) {
+                    DEBUG(SSSDBG_CRIT_FAILURE,
+                          "Cannot expand first letter of user name template "
+                          "because user name is empty.\n");
+                    goto done;
+                }
+                username = sss_output_name(tmp_ctx, homedir_ctx->username,
+                                           case_sensitive, 0);
+                if (username == NULL) {
+                    goto done;
+                }
+
+                result = talloc_asprintf_append(result, "%s%c", p, username[0]);
+                talloc_free(username);
+                break;
+
             case 'U':
                 if (homedir_ctx->uid == 0) {
                     DEBUG(SSSDBG_CRIT_FAILURE, "Cannot expand uid template "
-- 
cgit