Adding upstream version 2.9.4.upstream/2.9.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 81 insertions, 0 deletions

diff --git a/src/util/sss_utf8.c b/src/util/sss_utf8.c
new file mode 100644
index 0000000..ac2c1ff
--- /dev/null
+++ b/src/util/sss_utf8.c
@@ -0,0 +1,81 @@
+/*
+    SSSD
+
+    Authors:
+        Stephen Gallagher <sgallagh@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 <string.h>
+#include <errno.h>
+
+#include <stdlib.h>
+#include <unistr.h>
+#include <unicase.h>
+
+#include "sss_utf8.h"
+
+bool sss_utf8_check(const uint8_t *s, size_t n)
+{
+    if (u8_check(s, n) == NULL) {
+        return true;
+    }
+    return false;
+}
+
+errno_t sss_utf8_case_eq(const uint8_t *s1, const uint8_t *s2)
+{
+
+    /* Do a case-insensitive comparison.
+     * The input must be encoded in UTF8.
+     * We have no way of knowing the language,
+     * so we'll pass NULL for the language and
+     * hope for the best.
+     */
+    int ret;
+    int resultp;
+    size_t n1, n2;
+    errno = 0;
+
+    n1 = u8_strlen(s1);
+    n2 = u8_strlen(s2);
+
+    ret = u8_casecmp(s1, n1,
+                     s2, n2,
+                     NULL, NULL,
+                     &resultp);
+    if (ret < 0) {
+        /* An error occurred */
+        return errno;
+    }
+
+    if (resultp == 0) {
+        return EOK;
+    }
+    return ENOMATCH;
+}
+
+bool sss_string_equal(bool cs, const char *s1, const char *s2)
+{
+    if (cs) {
+        return strcmp(s1, s2) == 0;
+    }
+
+    return sss_utf8_case_eq((const uint8_t *)s1, (const uint8_t *)s2) == EOK;
+}