Initial import of ncp library sources.

Reviewed by:	jdp, mdodd

1 files changed, 263 insertions, 0 deletions

diff --git a/lib/libncp/ncpl_bind.c b/lib/libncp/ncpl_bind.c
new file mode 100644
index 0000000..40d0b73
--- /dev/null
+++ b/lib/libncp/ncpl_bind.c
@@ -0,0 +1,263 @@
+/*
+ * Copyright (c) 1999, Boris Popov
+ * 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 Boris Popov.
+ * 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 THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+#include <sys/types.h>
+#include <errno.h>
+#include <string.h>
+#include <netncp/ncp_lib.h>
+
+static void nw_passencrypt(char *old, char *new, char *out);
+
+int
+ncp_get_bindery_object_id(int connid, u_int16_t object_type, const char *object_name,
+			  struct ncp_bindery_object *target) {
+	int error;
+	DECLARE_RQ;
+
+	ncp_init_request_s(conn, 53);
+	ncp_add_word_hl(conn, object_type);
+	ncp_add_pstring(conn, object_name);
+
+	if ((error = ncp_request(connid, 23, conn)) != 0) {
+		return error;
+	}
+	if (conn->rpsize < 54) {
+		return EACCES;
+	}
+	target->object_id = ncp_reply_dword_hl(conn, 0);
+	target->object_type = ncp_reply_word_hl(conn, 4);
+	memcpy(target->object_name, ncp_reply_data(conn, 6), 48);
+	return 0;
+}
+
+int
+ncp_read_property_value(int connid, int object_type, const char *object_name,
+			int segment, const char *prop_name,
+			struct nw_property *target)
+{
+	int error;
+	struct ncp_buf conn;
+	ncp_init_request_s(&conn, 61);
+	ncp_add_word_hl(&conn, object_type);
+	ncp_add_pstring(&conn, object_name);
+	ncp_add_byte(&conn, segment);
+	ncp_add_pstring(&conn, prop_name);
+
+	if ((error = ncp_request(connid,23,&conn)) != 0) {
+		return error;
+	}
+	memcpy(&(target->value), ncp_reply_data(&conn, 0), 128);
+	target->more_flag = ncp_reply_byte(&conn, 128);
+	target->property_flag = ncp_reply_byte(&conn, 129);
+	return 0;
+}
+
+int
+ncp_scan_bindery_object(int connid, u_int32_t last_id, u_int16_t object_type, 
+	char *search_string, struct ncp_bindery_object *target)
+{
+	int error;
+	DECLARE_RQ;
+
+	ncp_init_request_s(conn, 55);
+	ncp_add_dword_hl(conn, last_id);
+	ncp_add_word_hl(conn, object_type);
+	ncp_add_pstring(conn, search_string);
+	error = ncp_request(connid, 23, conn);
+	if (error) return error;
+	target->object_id = ncp_reply_dword_hl(conn, 0);
+	target->object_type = ncp_reply_word_hl(conn, 4);
+	memcpy(target->object_name, ncp_reply_data(conn, 6),NCP_BINDERY_NAME_LEN);
+	target->object_flags = ncp_reply_byte(conn, 54);
+	target->object_security = ncp_reply_byte(conn, 55);
+	target->object_has_prop = ncp_reply_byte(conn, 56);
+	return 0;
+}
+
+int
+ncp_get_bindery_object_name(int connid, u_int32_t object_id,
+			    struct ncp_bindery_object *target) {
+	int error;
+	DECLARE_RQ;
+
+	ncp_init_request_s(conn, 54);
+	ncp_add_dword_hl(conn, object_id);
+	if ((error = ncp_request(connid, 23, conn)) != 0)
+		return error;
+	target->object_id = ncp_reply_dword_hl(conn, 0);
+	target->object_type = ncp_reply_word_hl(conn, 4);
+	memcpy(target->object_name, ncp_reply_data(conn, 6), 48);
+	return 0;
+}
+
+int
+ncp_change_obj_passwd(NWCONN_HANDLE connid, 
+	const struct ncp_bindery_object *object,
+	const u_char *key,
+	const u_char *oldpasswd,
+	const u_char *newpasswd)
+{
+	long id = htonl(object->object_id);
+	u_char cryptkey[8];
+	u_char newpwd[16];	/* new passwd as stored by server */
+	u_char oldpwd[16];	/* old passwd as stored by server */
+	u_char len;
+	DECLARE_RQ;
+
+	memcpy(cryptkey, key, 8);
+	nw_keyhash((u_char *)&id, oldpasswd, strlen(oldpasswd), oldpwd);
+	nw_keyhash((u_char *)&id, newpasswd, strlen(newpasswd), newpwd);
+	nw_encrypt(cryptkey, oldpwd, cryptkey);
+	nw_passencrypt(oldpwd, newpwd, newpwd);
+	nw_passencrypt(oldpwd + 8, newpwd + 8, newpwd + 8);
+	if ((len = strlen(newpasswd)) > 63) {
+		len = 63;
+	}
+	len = ((len ^ oldpwd[0] ^ oldpwd[1]) & 0x7f) | 0x40;
+
+	ncp_init_request_s(conn, 75);
+	ncp_add_mem(conn, cryptkey, 8);
+	ncp_add_word_hl(conn, object->object_type);
+	ncp_add_pstring(conn, object->object_name);
+	ncp_add_byte(conn, len);
+	ncp_add_mem(conn, newpwd, 16);
+	return ncp_request(connid, 23, conn);
+}
+
+/*
+ * target is a 8-byte buffer
+ */
+int
+ncp_get_encryption_key(NWCONN_HANDLE cH, char *target) {
+	int error;
+	DECLARE_RQ;
+
+	ncp_init_request_s(conn, 23);
+
+	error = ncp_request(cH, 23, conn);
+	if (error)
+		return error;
+	if (conn->rpsize < 8)
+		return EACCES;
+	memcpy(target, ncp_reply_data(conn, 0), 8);
+	return 0;
+}
+
+int
+ncp_keyed_verify_password(NWCONN_HANDLE cH, char *key, char *passwd,
+			    struct ncp_bindery_object *objinfo) {
+	u_long id = htonl(objinfo->object_id);
+	u_char cryptkey[8];
+	u_char buf[128];
+	DECLARE_RQ;
+
+	nw_keyhash((u_char *)&id, passwd, strlen(passwd), buf);
+	nw_encrypt(key, buf, cryptkey);
+
+	ncp_init_request_s(conn, 74);
+	ncp_add_mem(conn, cryptkey, sizeof(cryptkey));
+	ncp_add_word_hl(conn, objinfo->object_type);
+	ncp_add_pstring(conn, objinfo->object_name);
+
+	return ncp_request(cH, 23, conn);
+}
+
+static char passkeys[256 + 16] = {
+	0x0f, 0x08, 0x05, 0x07, 0x0c, 0x02, 0x0e, 0x09,
+	0x00, 0x01, 0x06, 0x0d, 0x03, 0x04, 0x0b, 0x0a,
+	0x02, 0x0c, 0x0e, 0x06, 0x0f, 0x00, 0x01, 0x08,
+	0x0d, 0x03, 0x0a, 0x04, 0x09, 0x0b, 0x05, 0x07,
+	0x05, 0x02, 0x09, 0x0f, 0x0c, 0x04, 0x0d, 0x00,
+	0x0e, 0x0a, 0x06, 0x08, 0x0b, 0x01, 0x03, 0x07,
+	0x0f, 0x0d, 0x02, 0x06, 0x07, 0x08, 0x05, 0x09,
+	0x00, 0x04, 0x0c, 0x03, 0x01, 0x0a, 0x0b, 0x0e,
+	0x05, 0x0e, 0x02, 0x0b, 0x0d, 0x0a, 0x07, 0x00,
+	0x08, 0x06, 0x04, 0x01, 0x0f, 0x0c, 0x03, 0x09,
+	0x08, 0x02, 0x0f, 0x0a, 0x05, 0x09, 0x06, 0x0c,
+	0x00, 0x0b, 0x01, 0x0d, 0x07, 0x03, 0x04, 0x0e,
+	0x0e, 0x08, 0x00, 0x09, 0x04, 0x0b, 0x02, 0x07,
+	0x0c, 0x03, 0x0a, 0x05, 0x0d, 0x01, 0x06, 0x0f,
+	0x01, 0x04, 0x08, 0x0a, 0x0d, 0x0b, 0x07, 0x0e,
+	0x05, 0x0f, 0x03, 0x09, 0x00, 0x02, 0x06, 0x0c,
+	0x05, 0x03, 0x0c, 0x08, 0x0b, 0x02, 0x0e, 0x0a,
+	0x04, 0x01, 0x0d, 0x00, 0x06, 0x07, 0x0f, 0x09,
+	0x06, 0x00, 0x0b, 0x0e, 0x0d, 0x04, 0x0c, 0x0f,
+	0x07, 0x02, 0x08, 0x0a, 0x01, 0x05, 0x03, 0x09,
+	0x0b, 0x05, 0x0a, 0x0e, 0x0f, 0x01, 0x0c, 0x00,
+	0x06, 0x04, 0x02, 0x09, 0x03, 0x0d, 0x07, 0x08,
+	0x07, 0x02, 0x0a, 0x00, 0x0e, 0x08, 0x0f, 0x04,
+	0x0c, 0x0b, 0x09, 0x01, 0x05, 0x0d, 0x03, 0x06,
+	0x07, 0x04, 0x0f, 0x09, 0x05, 0x01, 0x0c, 0x0b,
+	0x00, 0x03, 0x08, 0x0e, 0x02, 0x0a, 0x06, 0x0d,
+	0x09, 0x04, 0x08, 0x00, 0x0a, 0x03, 0x01, 0x0c,
+	0x05, 0x0f, 0x07, 0x02, 0x0b, 0x0e, 0x06, 0x0d,
+	0x09, 0x05, 0x04, 0x07, 0x0e, 0x08, 0x03, 0x01,
+	0x0d, 0x0b, 0x0c, 0x02, 0x00, 0x0f, 0x06, 0x0a,
+	0x09, 0x0a, 0x0b, 0x0d, 0x05, 0x03, 0x0f, 0x00,
+	0x01, 0x0c, 0x08, 0x07, 0x06, 0x04, 0x0e, 0x02,
+	0x03, 0x0e, 0x0f, 0x02, 0x0d, 0x0c, 0x04, 0x05,
+	0x09, 0x06, 0x00, 0x01, 0x0b, 0x07, 0x0a, 0x08
+};
+
+static void
+nw_passencrypt(char *old, char *new, char *out)
+{
+	char *p, v;
+	char copy[8];
+	int i, di, ax;
+
+#define HIGH(x)	(((x) >> 4) & 0xf)
+#define LOW(x)	((x) & 0xf)
+	memcpy(copy, new, 8);
+
+	for (i = 0; i < 16; i++) {
+		for (di = 0, ax = 0, p = old; di < 8; di++, ax += 0x20, p++) {
+			v = copy[di] ^ *p;
+			copy[di] = (passkeys[HIGH(v) + ax + 0x10] << 4) |
+				   passkeys[LOW(v) + ax];
+		}
+		v = old[7];
+		for (p = old + 7; p > old; p--) {
+			*p = HIGH(p[-1]) | ((*p) << 4);
+		}
+		*old = HIGH(v) | (*old) << 4;
+		bzero(out, 8);
+
+		for (di = 0; di < 16; di++) {
+			v = passkeys[di + 0x100];
+			v = (v & 1) ? HIGH(copy[v / 2]) : LOW(copy[v / 2]);
+			out[di / 2] |= ((di & 1) ? v << 4 : v);
+		}
+		memcpy(copy, out, 8);
+	}
+}