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authorthurlow <none@none>2008-02-13 19:51:22 -0800
committerthurlow <none@none>2008-02-13 19:51:22 -0800
commit4bff34e37def8a90f9194d81bc345c52ba20086a (patch)
tree7bf2710d9da099e3b07fea38e12788bfd565f3c5 /usr/src/lib/libsmbfs/smb/nb.c
parenta916d99c7b27a531bf37c57f83b0b74120fd05bb (diff)
downloadillumos-joyent-4bff34e37def8a90f9194d81bc345c52ba20086a.tar.gz
PSARC 2005/695 CIFS Client on Solaris
PSARC 2007/303 pam_smb_login PSARC 2008/073 CIFS Client on Solaris - Updates 6651904 CIFS Client - PSARC 2005/695
Diffstat (limited to 'usr/src/lib/libsmbfs/smb/nb.c')
-rw-r--r--usr/src/lib/libsmbfs/smb/nb.c265
1 files changed, 265 insertions, 0 deletions
diff --git a/usr/src/lib/libsmbfs/smb/nb.c b/usr/src/lib/libsmbfs/smb/nb.c
new file mode 100644
index 0000000000..f60ae0b314
--- /dev/null
+++ b/usr/src/lib/libsmbfs/smb/nb.c
@@ -0,0 +1,265 @@
+/*
+ * 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 1.1.1.2 2001/07/06 22:38:42 conrad Exp $
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <ctype.h>
+#include <netdb.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <libintl.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <netsmb/netbios.h>
+#include <netsmb/smb_lib.h>
+#include <netsmb/nb_lib.h>
+
+#include <cflib.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));
+ ctx->nb_flags = NBCF_NS_ENABLE | NBCF_BC_ENABLE;
+ *ctxpp = ctx;
+ return (0);
+}
+
+void
+nb_ctx_done(struct nb_ctx *ctx)
+{
+ if (ctx == NULL)
+ return;
+ if (ctx->nb_scope)
+ free(ctx->nb_scope);
+ if (ctx)
+ free(ctx);
+}
+
+static int
+nb_ctx_setwins(in_addr_t *ina_p, const char *str)
+{
+ struct in_addr ina;
+ struct sockaddr *sap;
+ int error;
+
+ if (str == NULL || str[0] == 0)
+ return (EINVAL);
+
+ if (inet_aton(str, &ina)) {
+ *ina_p = ina.s_addr;
+ } else {
+ error = nb_resolvehost_in(str, &sap);
+ if (error) {
+ smb_error(dgettext(TEXT_DOMAIN, "can't resolve %s"),
+ error, str);
+ return (error);
+ }
+ if (sap->sa_family != AF_INET) {
+ smb_error(dgettext(TEXT_DOMAIN,
+ "unsupported address family %d"), 0,
+ sap->sa_family);
+ return (EINVAL);
+ }
+ /*LINTED*/
+ *ina_p = ((struct sockaddr_in *)sap)->sin_addr.s_addr;
+ free(sap);
+ }
+
+ return (0);
+}
+
+/*
+ * This is called by "smbutil lookup" to handle the
+ * "-w wins_server" option. Let the semantics of
+ * this option be: Use specified WINS server only.
+ * If specified server is the broadcast address,
+ * set broadcast mode (and no WINS servers).
+ */
+int
+nb_ctx_setns(struct nb_ctx *ctx, const char *addr)
+{
+ int error;
+
+ error = nb_ctx_setwins(&ctx->nb_wins1, addr);
+ if (error)
+ return (error);
+ ctx->nb_wins2 = 0;
+
+ /* Deal with explicit request for broadcast. */
+ if (ctx->nb_wins1 == INADDR_BROADCAST) {
+ ctx->nb_wins1 = 0;
+ ctx->nb_flags |= NBCF_BC_ENABLE;
+ }
+ return (0);
+}
+
+int
+nb_ctx_setscope(struct nb_ctx *ctx, const char *scope)
+{
+ size_t slen = strlen(scope);
+
+ if (slen >= 128) {
+ smb_error(dgettext(TEXT_DOMAIN,
+ "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);
+}
+
+/*
+ * Now get the WINS server IP addresses directly
+ * when reading the RC files, so no longer need to
+ * lookup any names here.
+ */
+int
+nb_ctx_resolve(struct nb_ctx *ctx)
+{
+ ctx->nb_flags |= NBCF_RESOLVED;
+ return (0);
+}
+
+/*
+ * used level values:
+ * 0 - default
+ * 1 - server
+ *
+ * All of these are normally system-wide settings;
+ * the checks are in rc_parse() in rcfile.c.
+ */
+int
+nb_ctx_readrcsection(struct rcfile *rcfile, struct nb_ctx *ctx,
+ const char *sname, int level)
+{
+ char *p;
+ int error;
+ int nbns_enable;
+ int nbns_broadcast;
+
+ if (level > 1)
+ return (EINVAL);
+#ifdef NOT_DEFINED
+ rc_getint(rcfile, sname, "nbtimeout", &ctx->nb_timo);
+ rc_getstringptr(rcfile, sname, "nbscope", &p);
+ if (p)
+ nb_ctx_setscope(ctx, p);
+#endif
+ /* "nbns" will be "wins1" some day, and we'll have a "wins2" also */
+ rc_getstringptr(rcfile, sname, "nbns", &p);
+ if (p) {
+ error = nb_ctx_setwins(&ctx->nb_wins1, p);
+ if (error) {
+ smb_error(dgettext(TEXT_DOMAIN,
+ "invalid address specified in the section %s"),
+ 0, sname);
+ return (error);
+ }
+ }
+ error = rc_getbool(rcfile, sname, "nbns_enable", &nbns_enable);
+ if (error == 0 && nbns_enable == 0)
+ ctx->nb_flags &= ~NBCF_NS_ENABLE;
+ error = rc_getbool(rcfile, sname, "nbns_broadcast", &nbns_broadcast);
+ if (error == 0 && nbns_broadcast == 0)
+ ctx->nb_flags &= ~NBCF_BC_ENABLE;
+ return (0);
+}
+
+#ifdef I18N /* never defined, permits xgettext(1) to pick out strings */
+static const char *nb_err_rcode[] = {
+ gettext("bad request/response format"),
+ gettext("NBNS server failure"),
+ gettext("no such name"),
+ gettext("unsupported request"),
+ gettext("request rejected"),
+ gettext("name already registered)"
+};
+
+static const char *nb_err[] = {
+ gettext("host not found"),
+ gettext("too many redirects"),
+ gettext("invalid response"),
+ gettext("NETBIOS name too long"),
+ gettext("no interface to broadcast on and no NBNS server specified")
+};
+#else
+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"
+};
+#endif
+
+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);
+}