1 files changed, 87 insertions, 0 deletions
diff --git a/lib/librpcsvc/yp_passwd.c b/lib/librpcsvc/yp_passwd.c
new file mode 100644
index 0000000..e7c5914
--- /dev/null
+++ b/lib/librpcsvc/yp_passwd.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 1995, 1996
+ *	Bill Paul <wpaul@ctr.columbia.edu>.  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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stdlib.h>
+#include <rpc/rpc.h>
+#include <rpcsvc/yp_prot.h>
+#include <rpcsvc/ypclnt.h>
+#include <rpcsvc/yppasswd.h>
+#include <netinet/in.h>
+
+/*
+ * XXX <rpcsvc/yppasswd.h> does a typedef that makes 'yppasswd'
+ * a type of struct yppasswd. This leads to a namespace collision:
+ * gcc will not let you have a type called yppasswd and a function
+ * called yppasswd(). In order to get around this, we call the
+ * actual function _yppasswd() and put a macro called yppasswd()
+ * in yppasswd.h which calls the underlying function, thereby
+ * fooling gcc.
+ */
+
+int
+_yppasswd(char *oldpass, struct x_passwd *newpw)
+{
+	char *server;
+	char *domain;
+	int rval, result;
+	struct yppasswd yppasswd;
+
+	yppasswd.newpw = *newpw;
+	yppasswd.oldpass = oldpass;
+
+	if (yp_get_default_domain(&domain))
+		return (-1);
+
+	if (yp_master(domain, "passwd.byname", &server))
+		return(-1);
+
+	rval = getrpcport(server, YPPASSWDPROG,
+				YPPASSWDPROC_UPDATE, IPPROTO_UDP);
+
+	if (rval == 0 || rval >= IPPORT_RESERVED) {
+		free(server);
+		return(-1);
+	}
+
+	rval = callrpc(server, YPPASSWDPROG, YPPASSWDVERS, YPPASSWDPROC_UPDATE,
+		       (xdrproc_t)xdr_yppasswd, (char *)&yppasswd,
+		       (xdrproc_t)xdr_int, (char *)&result);
+
+	free(server);
+	if (rval || result)
+		return(-1);
+	else
+		return(0);
+}