From 74aa0bc6779af38018a03fd2cf4419fe85917904 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 07:31:45 +0200
Subject: Adding upstream version 2.9.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/util/sss_tc_utf8.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 src/util/sss_tc_utf8.c

(limited to 'src/util/sss_tc_utf8.c')

diff --git a/src/util/sss_tc_utf8.c b/src/util/sss_tc_utf8.c
new file mode 100644
index 0000000..75d5c71
--- /dev/null
+++ b/src/util/sss_tc_utf8.c
@@ -0,0 +1,82 @@
+/*
+    Authors:
+        Jakub Hrozek <jhrozek@redhat.com>
+
+    Copyright (C) 2011 Red Hat
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <unistr.h>
+#include <unicase.h>
+
+#include <talloc.h>
+#include "util/util.h"
+
+/* Expects and returns NULL-terminated string;
+ * result must be freed with sss_utf8_free()
+ */
+static inline char *sss_utf8_tolower(const char *s)
+{
+    size_t llen;
+    return (char *)u8_tolower((const uint8_t *)s, strlen(s) + 1, NULL, NULL, NULL, &llen);
+}
+
+char *sss_tc_utf8_str_tolower(TALLOC_CTX *mem_ctx, const char *s)
+{
+    char *lower;
+    char *ret = NULL;
+
+    lower = sss_utf8_tolower(s);
+    if (lower) {
+        ret = talloc_strdup(mem_ctx, lower);
+        free(lower);
+    }
+
+    return ret;
+}
+
+errno_t sss_filter_sanitize_for_dom(TALLOC_CTX *mem_ctx,
+                                    const char *input,
+                                    struct sss_domain_info *dom,
+                                    char **sanitized,
+                                    char **lc_sanitized)
+{
+    int ret;
+
+    ret = sss_filter_sanitize(mem_ctx, input, sanitized);
+    if (ret != EOK) {
+        DEBUG(SSSDBG_OP_FAILURE, "sss_filter_sanitize failed.\n");
+        return ret;
+    }
+
+    if (dom->case_sensitive) {
+        *lc_sanitized = talloc_strdup(mem_ctx, *sanitized);
+    } else {
+        *lc_sanitized = sss_tc_utf8_str_tolower(mem_ctx, *sanitized);
+    }
+
+    if (*lc_sanitized == NULL) {
+        DEBUG(SSSDBG_OP_FAILURE, "%s failed.\n",
+                                              dom->case_sensitive ?
+                                                    "talloc_strdup" :
+                                                    "sss_tc_utf8_str_tolower");
+        return ENOMEM;
+    }
+
+    return EOK;
+}
-- 
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