1 files changed, 91 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/wind/ldap.c b/third_party/heimdal/lib/wind/ldap.c
new file mode 100644
index 0000000..e7cab8e
--- /dev/null
+++ b/third_party/heimdal/lib/wind/ldap.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2008 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "windlocl.h"
+#include <assert.h>
+
+static int
+put_char(uint32_t *out, size_t *o, uint32_t c, size_t out_len)
+{
+    if (*o >= out_len)
+	return 1;
+    out[*o] = c;
+    (*o)++;
+    return 0;
+}
+
+int
+_wind_ldap_case_exact_attribute(const uint32_t *tmp,
+				size_t olen,
+				uint32_t *out,
+				size_t *out_len)
+{
+    size_t o = 0, i = 0;
+
+    if (olen == 0) {
+	*out_len = 0;
+	return 0;
+    }
+
+    if (put_char(out, &o, 0x20, *out_len))
+	return WIND_ERR_OVERRUN;
+    while(i < olen && tmp[i] == 0x20) /* skip initial spaces */
+	i++;
+
+    while (i < olen) {
+	if (tmp[i] == 0x20) {
+	    if (put_char(out, &o, 0x20, *out_len) ||
+		put_char(out, &o, 0x20, *out_len))
+		return WIND_ERR_OVERRUN;
+	    while(i < olen && tmp[i] == 0x20) /* skip middle spaces */
+		i++;
+	} else {
+	    if (put_char(out, &o, tmp[i++], *out_len))
+		return WIND_ERR_OVERRUN;
+	}
+    }
+    assert(o > 0);
+
+    /* only one spaces at the end */
+    if (o == 1 && out[0] == 0x20)
+	o = 0;
+    else if (out[o - 1] == 0x20) {
+	if (out[o - 2] == 0x20)
+	    o--;
+    } else
+	put_char(out, &o, 0x20, *out_len);
+
+    *out_len = o;
+
+    return 0;
+}