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, 179 insertions, 0 deletions

diff --git a/contrib/smbfs/lib/smb/rq.c b/contrib/smbfs/lib/smb/rq.c
new file mode 100644
index 0000000..c410753
--- /dev/null
+++ b/contrib/smbfs/lib/smb/rq.c
@@ -0,0 +1,179 @@
+/*
+ * 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: rq.c,v 1.7 2001/04/16 04:33:01 bp Exp $
+ */
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <err.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <strings.h>
+#include <stdlib.h>
+#include <sysexits.h>
+
+#include <sys/mchain.h>
+
+#include <netsmb/smb_lib.h>
+#include <netsmb/smb_conn.h>
+#include <netsmb/smb_rap.h>
+
+
+int
+smb_rq_init(struct smb_ctx *ctx, u_char cmd, size_t rpbufsz, struct smb_rq **rqpp)
+{
+	struct smb_rq *rqp;
+
+	rqp = malloc(sizeof(*rqp));
+	if (rqp == NULL)
+		return ENOMEM;
+	bzero(rqp, sizeof(*rqp));
+	rqp->rq_cmd = cmd;
+	rqp->rq_ctx = ctx;
+	mb_init(&rqp->rq_rq, M_MINSIZE);
+	mb_init(&rqp->rq_rp, rpbufsz);
+	*rqpp = rqp;
+	return 0;
+}
+
+void
+smb_rq_done(struct smb_rq *rqp)
+{
+	mb_done(&rqp->rq_rp);
+	mb_done(&rqp->rq_rq);
+	free(rqp);
+}
+
+void
+smb_rq_wend(struct smb_rq *rqp)
+{
+	if (rqp->rq_rq.mb_count & 1)
+		smb_error("smbrq_wend: odd word count\n", 0);
+	rqp->rq_wcount = rqp->rq_rq.mb_count / 2;
+	rqp->rq_rq.mb_count = 0;
+}
+
+int
+smb_rq_dmem(struct mbdata *mbp, const char *src, size_t size)
+{
+	struct mbuf *m;
+	char * dst;
+	int cplen, error;
+
+	if (size == 0)
+		return 0;
+	m = mbp->mb_cur;
+	if ((error = m_getm(m, size, &m)) != 0)
+		return error;
+	while (size > 0) {
+		cplen = M_TRAILINGSPACE(m);
+		if (cplen == 0) {
+			m = m->m_next;
+			continue;
+		}
+		if (cplen > (int)size)
+			cplen = size;
+		dst = mtod(m, char *) + m->m_len;
+		nls_mem_toext(dst, src, cplen);
+		size -= cplen;
+		src += cplen;
+		m->m_len += cplen;
+		mbp->mb_count += cplen;
+	}
+	mbp->mb_pos = mtod(m, char *) + m->m_len;
+	mbp->mb_cur = m;
+	return 0;
+}
+
+int
+smb_rq_dstring(struct mbdata *mbp, const char *s)
+{
+	return smb_rq_dmem(mbp, s, strlen(s) + 1);
+}
+
+int
+smb_rq_simple(struct smb_rq *rqp)
+{
+	struct smbioc_rq krq;
+	struct mbdata *mbp;
+	char *data;
+
+	mbp = smb_rq_getrequest(rqp);
+	m_lineup(mbp->mb_top, &mbp->mb_top);
+	data = mtod(mbp->mb_top, char*);
+	bzero(&krq, sizeof(krq));
+	krq.ioc_cmd = rqp->rq_cmd;
+	krq.ioc_twc = rqp->rq_wcount;
+	krq.ioc_twords = data;
+	krq.ioc_tbc = mbp->mb_count;
+	krq.ioc_tbytes = data + rqp->rq_wcount * 2;
+	mbp = smb_rq_getreply(rqp);
+	krq.ioc_rpbufsz = mbp->mb_top->m_maxlen;
+	krq.ioc_rpbuf = mtod(mbp->mb_top, char *);
+	if (ioctl(rqp->rq_ctx->ct_fd, SMBIOC_REQUEST, &krq) == -1)
+		return errno;
+	mbp->mb_top->m_len = krq.ioc_rwc * 2 + krq.ioc_rbc;
+	rqp->rq_wcount = krq.ioc_rwc;
+	rqp->rq_bcount = krq.ioc_rbc;
+	return 0;
+}
+
+int
+smb_t2_request(struct smb_ctx *ctx, int setup, int setupcount,
+	const char *name,
+	int tparamcnt, void *tparam,
+	int tdatacnt, void *tdata,
+	int *rparamcnt, void *rparam,
+	int *rdatacnt, void *rdata)
+{
+	struct smbioc_t2rq krq;
+
+	bzero(&krq, sizeof(krq));
+	krq.ioc_setup[0] = setup;
+	krq.ioc_setupcnt = setupcount;
+	(const char*)krq.ioc_name = name;
+	krq.ioc_tparamcnt = tparamcnt;
+	krq.ioc_tparam = tparam;
+	krq.ioc_tdatacnt = tdatacnt;
+	krq.ioc_tdata = tdata;
+	krq.ioc_rparamcnt = *rparamcnt;
+	krq.ioc_rparam = rparam;
+	krq.ioc_rdatacnt = *rdatacnt;
+	krq.ioc_rdata = rdata;
+	if (ioctl(ctx->ct_fd, SMBIOC_T2RQ, &krq) == -1)
+		return errno;
+	*rparamcnt = krq.ioc_rparamcnt;
+	*rdatacnt = krq.ioc_rdatacnt;
+	return 0;
+}