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-rw-r--r--src/rpcdname.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/rpcdname.c b/src/rpcdname.c
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+/*
+ * Copyright (c) 2009, Sun Microsystems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - 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.
+ * - Neither the name of Sun Microsystems, Inc. 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
+ */
+
+/*
+ * rpcdname.c
+ * Gets the default domain name
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+static char *default_domain = 0;
+
+static char *
+get_default_domain()
+{
+ char temp[256];
+
+ if (default_domain)
+ return (default_domain);
+ if (getdomainname(temp, sizeof(temp)) < 0)
+ return (0);
+ if ((int) strlen(temp) > 0) {
+ default_domain = (char *)malloc((strlen(temp)+(unsigned)1));
+ if (default_domain == 0)
+ return (0);
+ (void) strcpy(default_domain, temp);
+ return (default_domain);
+ }
+ return (0);
+}
+
+/*
+ * This is a wrapper for the system call getdomainname which returns a
+ * ypclnt.h error code in the failure case. It also checks to see that
+ * the domain name is non-null, knowing that the null string is going to
+ * get rejected elsewhere in the NIS client package.
+ */
+int
+__rpc_get_default_domain(domain)
+ char **domain;
+{
+ if ((*domain = get_default_domain()) != 0)
+ return (0);
+ return (-1);
+}