Import smbfs-1.4.1.

This is Boris Popov's SMB/CIFS file system implementation for FreeBSD.

Obtained from:	Boris Popov via ftp://ftp.butya.kz/pub/smbfs/

1 files changed, 191 insertions, 0 deletions

diff --git a/contrib/smbfs/lib/smb/nb.c b/contrib/smbfs/lib/smb/nb.c
new file mode 100644
index 0000000..2be9ab0
--- /dev/null
+++ b/contrib/smbfs/lib/smb/nb.c
@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 2000, 2001 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.
+ *
+ * $Id: nb.c,v 1.4 2001/04/16 04:33:01 bp Exp $
+ */
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <ctype.h>
+#include <netdb.h>
+#include <err.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <cflib.h>
+
+#include <netsmb/netbios.h>
+#include <netsmb/smb_lib.h>
+#include <netsmb/nb_lib.h>
+
+int
+nb_ctx_create(struct nb_ctx **ctxpp)
+{
+	struct nb_ctx *ctx;
+
+	ctx = malloc(sizeof(struct nb_ctx));
+	if (ctx == NULL)
+		return ENOMEM;
+	bzero(ctx, sizeof(struct nb_ctx));
+	*ctxpp = ctx;
+	return 0;
+}
+
+void
+nb_ctx_done(struct nb_ctx *ctx)
+{
+	if (ctx == NULL)
+		return;
+	if (ctx->nb_scope)
+		free(ctx->nb_scope);
+}
+
+int
+nb_ctx_setns(struct nb_ctx *ctx, const char *addr)
+{
+	if (addr == NULL || addr[0] == 0)
+		return EINVAL;
+	if (ctx->nb_nsname)
+		free(ctx->nb_nsname);
+	if ((ctx->nb_nsname = strdup(addr)) == NULL)
+		return ENOMEM;
+	return 0;
+}
+
+int
+nb_ctx_setscope(struct nb_ctx *ctx, const char *scope)
+{
+	size_t slen = strlen(scope);
+
+	if (slen >= 128) {
+		smb_error("scope '%s' is too long", 0, scope);
+		return ENAMETOOLONG;
+	}
+	if (ctx->nb_scope)
+		free(ctx->nb_scope);
+	ctx->nb_scope = malloc(slen + 1);
+	if (ctx->nb_scope == NULL)
+		return ENOMEM;
+	nls_str_upper(ctx->nb_scope, scope);
+	return 0;
+}
+
+int
+nb_ctx_resolve(struct nb_ctx *ctx)
+{
+	struct sockaddr *sap;
+	int error;
+
+	ctx->nb_flags &= ~NBCF_RESOLVED;
+
+	if (ctx->nb_nsname == NULL) {
+		ctx->nb_ns.sin_addr.s_addr = htonl(INADDR_BROADCAST);
+	} else {
+		error = nb_resolvehost_in(ctx->nb_nsname, &sap);
+		if (error) {
+			smb_error("can't resolve %s", error, ctx->nb_nsname);
+			return error;
+		}
+		if (sap->sa_family != AF_INET) {
+			smb_error("unsupported address family %d", 0, sap->sa_family);
+			return EINVAL;
+		}
+		bcopy(sap, &ctx->nb_ns, sizeof(ctx->nb_ns));
+		free(sap);
+	}
+	ctx->nb_ns.sin_port = htons(137);
+	ctx->nb_ns.sin_family = AF_INET;
+	ctx->nb_ns.sin_len = sizeof(ctx->nb_ns);
+	ctx->nb_flags |= NBCF_RESOLVED;
+	return 0;
+}
+
+/*
+ * used level values:
+ * 0 - default
+ * 1 - server
+ */
+int
+nb_ctx_readrcsection(struct rcfile *rcfile, struct nb_ctx *ctx,
+	const char *sname, int level)
+{
+	char *p;
+	int error;
+
+	if (level > 1)
+		return EINVAL;
+	rc_getint(rcfile, sname, "nbtimeout", &ctx->nb_timo);
+	rc_getstringptr(rcfile, sname, "nbns", &p);
+	if (p) {
+		error = nb_ctx_setns(ctx, p);
+		if (error) {
+			smb_error("invalid address specified in the section %s", 0, sname);
+			return error;
+		}
+	}
+	rc_getstringptr(rcfile, sname, "nbscope", &p);
+	if (p)
+		nb_ctx_setscope(ctx, p);
+	return 0;
+}
+
+static const char *nb_err_rcode[] = {
+	"bad request/response format",
+	"NBNS server failure",
+	"no such name",
+	"unsupported request",
+	"request rejected",
+	"name already registered"
+};
+
+static const char *nb_err[] = {
+	"host not found",
+	"too many redirects",
+	"invalid response",
+	"NETBIOS name too long",
+	"no interface to broadcast on and no NBNS server specified"
+};
+
+const char *
+nb_strerror(int error)
+{
+	if (error == 0)
+		return NULL;
+	if (error <= NBERR_ACTIVE)
+		return nb_err_rcode[error - 1];
+	else if (error >= NBERR_HOSTNOTFOUND && error < NBERR_MAX)
+		return nb_err[error - NBERR_HOSTNOTFOUND];
+	else
+		return NULL;
+}
+