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, 243 insertions, 0 deletions

diff --git a/contrib/smbfs/lib/smb/subr.c b/contrib/smbfs/lib/smb/subr.c
new file mode 100644
index 0000000..9541b62
--- /dev/null
+++ b/contrib/smbfs/lib/smb/subr.c
@@ -0,0 +1,243 @@
+/*
+ * Copyright (c) 2000, 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: subr.c,v 1.11 2001/04/16 04:33:01 bp Exp $
+ */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/errno.h>
+#include <sys/sysctl.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <err.h>
+
+#include <netsmb/netbios.h>
+#include <netsmb/smb_lib.h>
+#include <netsmb/nb_lib.h>
+#include <cflib.h>
+
+extern char *__progname;
+
+static int smblib_initialized;
+
+struct rcfile *smb_rc;
+
+int
+smb_lib_init(void)
+{
+	int error;
+	int kv;
+	size_t kvlen = sizeof(kv);
+
+	if (smblib_initialized)
+		return 0;
+#if __FreeBSD_version > 400000
+	error = sysctlbyname("net.smb.version", &kv, &kvlen, NULL, 0);
+	if (error) {
+		warnx("%s: can't find kernel module\n", __FUNCTION__);
+		return error;
+	}
+	if (NSMB_VERSION != kv) {
+		warnx("%s: kernel module version(%d) don't match library(%d).\n", __FUNCTION__, kv, NSMB_VERSION);
+		return EINVAL;
+	}
+#endif
+	if ((error = nls_setlocale("")) != 0) {
+		warnx("%s: can't initialise locale\n", __FUNCTION__);
+		return error;
+	}
+	smblib_initialized++;
+	return 0;
+}
+
+/*
+ * Print a (descriptive) error message
+ * error values:
+ *  	   0 - no specific error code available;
+ *  1..32767 - system error
+ */
+void
+smb_error(const char *fmt, int error,...) {
+	va_list ap;
+	const char *cp;
+	int errtype = error & SMB_ERRTYPE_MASK;
+
+	fprintf(stderr, "%s: ", __progname);
+	va_start(ap, error);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	if (error == -1)
+		error = errno;
+	else
+		error &= ~SMB_ERRTYPE_MASK;
+	switch (errtype) {
+	    case SMB_SYS_ERROR:
+		if (error)
+			fprintf(stderr, ": syserr = %s\n", strerror(error));
+		else
+			fprintf(stderr, "\n");
+		break;
+	    case SMB_RAP_ERROR:
+		fprintf(stderr, ": raperr = %d (0x%04x)\n", error, error);
+		break;
+	    case SMB_NB_ERROR:
+		cp = nb_strerror(error);
+		if (cp == NULL)
+			fprintf(stderr, ": nberr = unknown (0x%04x)\n", error);
+		else
+			fprintf(stderr, ": nberr = %s\n", cp);
+		break;
+	    default:
+		fprintf(stderr, "\n");
+	}
+}
+
+char *
+smb_printb(char *dest, int flags, const struct smb_bitname *bnp) {
+	int first = 1;
+
+	strcpy(dest, "<");
+	for(; bnp->bn_bit; bnp++) {
+		if (flags & bnp->bn_bit) {
+			strcat(dest, bnp->bn_name);
+			first = 0;
+		}
+		if (!first && (flags & bnp[1].bn_bit))
+			strcat(dest, "|");
+	}
+	strcat(dest, ">");
+	return dest;
+}
+
+/*
+ * first read ~/.smbrc, next try to merge SMB_CFG_FILE
+ */
+int
+smb_open_rcfile(void)
+{
+	char *home, *fn;
+	int error;
+
+	home = getenv("HOME");
+	if (home) {
+		fn = malloc(strlen(home) + 20);
+		sprintf(fn, "%s/.nsmbrc", home);
+		error = rc_open(fn, "r", &smb_rc);
+		free(fn);
+	}
+	error = rc_merge(SMB_CFG_FILE, &smb_rc);
+	if (smb_rc == NULL) {
+		printf("Warning: no cfg file(s) found.\n");
+		return ENOENT;
+	}
+	return 0;
+}
+
+void *
+smb_dumptree(void)
+{
+	size_t len;
+	void *p;
+	int error;
+	
+	error = sysctlbyname("net.smb.treedump", NULL, &len, NULL, 0);
+	if (error)
+		return NULL;
+	p = malloc(len);
+	if (p == NULL)
+		return NULL;
+	error = sysctlbyname("net.smb.treedump", p, &len, NULL, 0);
+	if (error) {
+		free(p);
+		return NULL;
+	}
+	return p;
+}
+
+void
+smb_simplecrypt(char *dst, const char *src)
+{
+	int ch, pos;
+
+	*dst++ = '$';
+	*dst++ = '$';
+	*dst++ = '1';
+	pos = 27;
+	while (*src) {
+		ch = *src++;
+		if (isascii(ch))
+		    ch = (isupper(ch) ? ('A' + (ch - 'A' + 13) % 26) :
+			  islower(ch) ? ('a' + (ch - 'a' + 13) % 26) : ch);
+		ch ^= pos;
+		pos += 13;
+		sprintf(dst, "%02x", ch);
+		dst += 2;
+	}
+	*dst = 0;
+}
+
+int
+smb_simpledecrypt(char *dst, const char *src)
+{
+	char *ep, hexval[3];
+	int len, ch, pos;
+
+	if (strncmp(src, "$$1", 3) != 0)
+		return EINVAL;
+	src += 3;
+	len = strlen(src);
+	if (len & 1)
+		return EINVAL;
+	len /= 2;
+	hexval[2] = 0;
+	pos = 27;
+	while (len--) {
+		hexval[0] = *src++;
+		hexval[1] = *src++;
+		ch = strtoul(hexval, &ep, 16);
+		if (*ep != 0)
+			return EINVAL;
+		ch ^= pos;
+		pos += 13;
+		if (isascii(ch))
+		    ch = (isupper(ch) ? ('A' + (ch - 'A' + 13) % 26) :
+			  islower(ch) ? ('a' + (ch - 'a' + 13) % 26) : ch);
+		*dst++ = ch;
+	}
+	*dst = 0;
+	return 0;
+}