--- old/usr/src/lib/libsmbfs/smb/ssnsetup.c	Mon Aug  5 17:16:39 2019
+++ /dev/null	Mon Aug  5 17:16:38 2019
@@ -1,462 +0,0 @@
-/*
- * 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.
- */
-
-/*
- * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
- */
-
-/*
- * SMB Session Setup, and related.
- */
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <strings.h>
-#include <netdb.h>
-#include <libintl.h>
-#include <xti.h>
-#include <assert.h>
-
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/byteorder.h>
-#include <sys/socket.h>
-#include <sys/fcntl.h>
-
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <arpa/inet.h>
-
-#include <netsmb/mchain.h>
-#include <netsmb/netbios.h>
-#include <netsmb/smb_dev.h>
-#include <netsmb/smb.h>
-
-#include <netsmb/smb_lib.h>
-#include <netsmb/nb_lib.h>
-
-#include "private.h"
-#include "charsets.h"
-#include "ntlm.h"
-#include "smb_crypt.h"
-
-
-static int
-smb__ssnsetup(struct smb_ctx *ctx,
-	struct mbdata *mbc1, struct mbdata *mbc2,
-	uint32_t *statusp, uint16_t *actionp);
-
-/*
- * Session Setup: NULL session (anonymous)
- */
-int
-smb_ssnsetup_null(struct smb_ctx *ctx)
-{
-	int err;
-	uint32_t ntstatus;
-	uint16_t action = 0;
-
-	if (ctx->ct_clnt_caps & SMB_CAP_EXT_SECURITY) {
-		/* Should not get here with... */
-		err = EINVAL;
-		goto out;
-	}
-
-	err = smb__ssnsetup(ctx, NULL, NULL, &ntstatus, &action);
-	if (err)
-		goto out;
-
-	DPRINT("status 0x%x action 0x%x", ntstatus, (int)action);
-	if (ntstatus != 0)
-		err = EAUTH;
-
-out:
-	return (err);
-}
-
-
-/*
- * SMB Session Setup, using NTLMv1 (and maybe LMv1)
- */
-int
-smb_ssnsetup_ntlm1(struct smb_ctx *ctx)
-{
-	struct mbdata lm_mbc, nt_mbc;
-	int err;
-	uint32_t ntstatus;
-	uint16_t action = 0;
-
-	if (ctx->ct_clnt_caps & SMB_CAP_EXT_SECURITY) {
-		/* Should not get here with... */
-		err = EINVAL;
-		goto out;
-	}
-
-	/* Make mb_done calls at out safe. */
-	bzero(&lm_mbc, sizeof (lm_mbc));
-	bzero(&nt_mbc, sizeof (nt_mbc));
-
-	/* Put the LM,NTLM responses (as mbdata). */
-	err = ntlm_put_v1_responses(ctx, &lm_mbc, &nt_mbc);
-	if (err)
-		goto out;
-
-	if ((ctx->ct_vcflags & SMBV_WILL_SIGN) != 0 &&
-	    (ctx->ct_hflags2 & SMB_FLAGS2_SECURITY_SIGNATURE) == 0) {
-		err = ntlm_build_mac_key(ctx, &nt_mbc);
-		if (err)
-			goto out;
-		/* OK, start signing! */
-		ctx->ct_hflags2 |= SMB_FLAGS2_SECURITY_SIGNATURE;
-	}
-
-	err = smb__ssnsetup(ctx, &lm_mbc, &nt_mbc, &ntstatus, &action);
-	if (err)
-		goto out;
-
-	DPRINT("status 0x%x action 0x%x", ntstatus, (int)action);
-	if (ntstatus != 0)
-		err = EAUTH;
-
-out:
-	mb_done(&lm_mbc);
-	mb_done(&nt_mbc);
-
-	return (err);
-}
-
-/*
- * SMB Session Setup, using NTLMv2 (and LMv2)
- */
-int
-smb_ssnsetup_ntlm2(struct smb_ctx *ctx)
-{
-	struct mbdata lm_mbc, nt_mbc, ti_mbc;
-	int err;
-	uint32_t ntstatus;
-	uint16_t action = 0;
-
-	if (ctx->ct_clnt_caps & SMB_CAP_EXT_SECURITY) {
-		/* Should not get here with... */
-		err = EINVAL;
-		goto out;
-	}
-
-	/* Make mb_done calls at out safe. */
-	bzero(&lm_mbc, sizeof (lm_mbc));
-	bzero(&nt_mbc, sizeof (nt_mbc));
-	bzero(&ti_mbc, sizeof (ti_mbc));
-
-	/* Build the NTLMv2 "target info" blob (as mbdata) */
-	err = ntlm_build_target_info(ctx, NULL, &ti_mbc);
-	if (err)
-		goto out;
-
-	/* Put the LMv2, NTLMv2 responses (as mbdata). */
-	err = ntlm_put_v2_responses(ctx, &ti_mbc, &lm_mbc, &nt_mbc);
-	if (err)
-		goto out;
-
-	if ((ctx->ct_vcflags & SMBV_WILL_SIGN) != 0 &&
-	    (ctx->ct_hflags2 & SMB_FLAGS2_SECURITY_SIGNATURE) == 0) {
-		err = ntlm_build_mac_key(ctx, &nt_mbc);
-		if (err)
-			goto out;
-		/* OK, start signing! */
-		ctx->ct_hflags2 |= SMB_FLAGS2_SECURITY_SIGNATURE;
-	}
-
-	err = smb__ssnsetup(ctx, &lm_mbc, &nt_mbc, &ntstatus, &action);
-	if (err)
-		goto out;
-
-	DPRINT("status 0x%x action 0x%x", ntstatus, (int)action);
-	if (ntstatus != 0)
-		err = EAUTH;
-
-out:
-	mb_done(&ti_mbc);
-	mb_done(&lm_mbc);
-	mb_done(&nt_mbc);
-
-	return (err);
-}
-
-int
-smb_ssnsetup_spnego(struct smb_ctx *ctx, struct mbdata *hint_mb)
-{
-	struct mbdata send_mb, recv_mb;
-	int		err;
-	uint32_t	ntstatus;
-	uint16_t	action = 0;
-
-	err = ssp_ctx_create_client(ctx, hint_mb);
-	if (err)
-		goto out;
-
-	bzero(&send_mb, sizeof (send_mb));
-	bzero(&recv_mb, sizeof (recv_mb));
-
-	/* NULL input indicates first call. */
-	err = ssp_ctx_next_token(ctx, NULL, &send_mb);
-	if (err)
-		goto out;
-
-	for (;;) {
-		err = smb__ssnsetup(ctx, &send_mb, &recv_mb,
-		    &ntstatus, &action);
-		if (err)
-			goto out;
-		if (ntstatus == 0)
-			break; /* normal loop termination */
-		if (ntstatus != NT_STATUS_MORE_PROCESSING_REQUIRED) {
-			err = EAUTH;
-			goto out;
-		}
-
-		/* middle calls get both in, out */
-		err = ssp_ctx_next_token(ctx, &recv_mb, &send_mb);
-		if (err)
-			goto out;
-	}
-	DPRINT("status 0x%x action 0x%x", ntstatus, (int)action);
-
-	/* NULL output indicates last call. */
-	(void) ssp_ctx_next_token(ctx, &recv_mb, NULL);
-
-out:
-	ssp_ctx_destroy(ctx);
-
-	return (err);
-}
-
-/*
- * Session Setup function used for all the forms we support.
- * To allow this sharing, the crypto stuff is computed by
- * callers and passed in as mbdata chains.  Also, the args
- * have different meanings for extended security vs. old.
- * Some may be used as either IN or OUT parameters.
- *
- * For NTLM (v1, v2), all parameters are inputs
- * 	mbc1: [in] LM password hash
- * 	mbc2: [in] NT password hash
- * For Extended security (spnego)
- *	mbc1: [in]  outgoing blob data
- *	mbc2: [out] received blob data
- * For both forms, these are optional:
- *	statusp: [out] NT status
- *	actionp: [out] Logon Action (i.e. SMB_ACT_GUEST)
- */
-static int
-smb__ssnsetup(struct smb_ctx *ctx,
-	struct mbdata *mbc1, struct mbdata *mbc2,
-	uint32_t *statusp, uint16_t *actionp)
-{
-	static const char NativeOS[] = "Solaris";
-	static const char LanMan[] = "NETSMB";
-	struct smb_sopt *sv = &ctx->ct_sopt;
-	struct smb_iods *is = &ctx->ct_iods;
-	struct smb_rq	*rqp = NULL;
-	struct mbdata	*mbp;
-	struct mbuf	*m;
-	int err, uc;
-	uint32_t caps;
-	uint16_t bc, len1, len2, sblen;
-	uint8_t wc;
-
-	caps = ctx->ct_clnt_caps;
-	uc = ctx->ct_hflags2 & SMB_FLAGS2_UNICODE;
-
-	err = smb_rq_init(ctx, SMB_COM_SESSION_SETUP_ANDX, &rqp);
-	if (err)
-		goto out;
-
-	/*
-	 * Build the SMB request.
-	 */
-	mbp = &rqp->rq_rq;
-	smb_rq_wstart(rqp);
-	mb_put_uint16le(mbp, 0xff);		/* 0: AndXCommand */
-	mb_put_uint16le(mbp, 0);		/* 1: AndXOffset */
-	mb_put_uint16le(mbp, sv->sv_maxtx);	/* 2: MaxBufferSize */
-	mb_put_uint16le(mbp, sv->sv_maxmux);	/* 3: MaxMpxCount */
-	mb_put_uint16le(mbp, 1);		/* 4: VcNumber */
-	mb_put_uint32le(mbp, sv->sv_skey);	/* 5,6: Session Key */
-
-	if (caps & SMB_CAP_EXT_SECURITY) {
-		len1 = mbc1 ? mbc1->mb_count : 0;
-		mb_put_uint16le(mbp, len1);	/* 7: Sec. Blob Len */
-		mb_put_uint32le(mbp, 0);	/* 8,9: reserved */
-		mb_put_uint32le(mbp, caps);	/* 10,11: Capabilities */
-		smb_rq_wend(rqp);		/* 12: Byte Count */
-		smb_rq_bstart(rqp);
-		if (mbc1 && mbc1->mb_top) {
-			mb_put_mbuf(mbp, mbc1->mb_top);	/* sec. blob */
-			mbc1->mb_top = NULL; /* consumed */
-		}
-		/* mbc2 is required below */
-		if (mbc2 == NULL) {
-			err = EINVAL;
-			goto out;
-		}
-	} else {
-		len1 = mbc1 ? mbc1->mb_count : 0;
-		len2 = mbc2 ? mbc2->mb_count : 0;
-		mb_put_uint16le(mbp, len1);	/* 7: LM pass. len */
-		mb_put_uint16le(mbp, len2);	/* 8: NT pass. len */
-		mb_put_uint32le(mbp, 0);	/* 9,10: reserved */
-		mb_put_uint32le(mbp, caps);	/* 11,12: Capabilities */
-		smb_rq_wend(rqp);		/* 13: Byte Count */
-		smb_rq_bstart(rqp);
-		if (mbc1 && mbc1->mb_top) {
-			mb_put_mbuf(mbp, mbc1->mb_top);	/* LM password */
-			mbc1->mb_top = NULL; /* consumed */
-		}
-		if (mbc2 && mbc2->mb_top) {
-			mb_put_mbuf(mbp, mbc2->mb_top);	/* NT password */
-			mbc2->mb_top = NULL; /* consumed */
-		}
-		mb_put_string(mbp, ctx->ct_user, uc);
-		mb_put_string(mbp, ctx->ct_domain, uc);
-	}
-	mb_put_string(mbp, NativeOS, uc);
-	mb_put_string(mbp, LanMan, uc);
-	smb_rq_bend(rqp);
-
-	err = smb_rq_internal(ctx, rqp);
-	if (err)
-		goto out;
-
-	if (statusp)
-		*statusp = rqp->rq_status;
-
-	/*
-	 * If we have a real error, the response probably has
-	 * no more data, so don't try to parse any more.
-	 * Note: err=0, means rq_status is valid.
-	 */
-	if (rqp->rq_status != 0 &&
-	    rqp->rq_status != NT_STATUS_MORE_PROCESSING_REQUIRED) {
-		goto out;
-	}
-
-	/*
-	 * Parse the reply
-	 */
-	uc = rqp->rq_hflags2 & SMB_FLAGS2_UNICODE;
-	is->is_smbuid = rqp->rq_uid;
-	mbp = &rqp->rq_rp;
-
-	err = md_get_uint8(mbp, &wc);
-	if (err)
-		goto out;
-
-	err = EBADRPC; /* for any problems in this section */
-	if (caps & SMB_CAP_EXT_SECURITY) {
-		if (wc != 4)
-			goto out;
-		md_get_uint16le(mbp, NULL);	/* secondary cmd */
-		md_get_uint16le(mbp, NULL);	/* andxoffset */
-		md_get_uint16le(mbp, actionp);	/* action */
-		md_get_uint16le(mbp, &sblen);	/* sec. blob len */
-		md_get_uint16le(mbp, &bc);	/* byte count */
-		/*
-		 * Get the security blob, after
-		 * sanity-checking the length.
-		 */
-		if (sblen == 0 || bc < sblen)
-			goto out;
-		err = md_get_mbuf(mbp, sblen, &m);
-		if (err)
-			goto out;
-		mb_initm(mbc2, m);
-		mbc2->mb_count = sblen;
-	} else {
-		if (wc != 3)
-			goto out;
-		md_get_uint16le(mbp, NULL);	/* secondary cmd */
-		md_get_uint16le(mbp, NULL);	/* andxoffset */
-		md_get_uint16le(mbp, actionp);	/* action */
-		err = md_get_uint16le(mbp, &bc); /* byte count */
-		if (err)
-			goto out;
-	}
-
-	/*
-	 * Native OS, LANMGR, & Domain follow here.
-	 * Parse these strings and store for later.
-	 * If unicode, they should be aligned.
-	 *
-	 * Note that with Extended security, we may use
-	 * multiple calls to this function.  Only parse
-	 * these strings on the last one (status == 0).
-	 * Ditto for the CAP_LARGE work-around.
-	 */
-	if (rqp->rq_status != 0)
-		goto out;
-
-	/* Ignore any parsing errors for these strings. */
-	err = md_get_string(mbp, &ctx->ct_srv_OS, uc);
-	DPRINT("server OS: %s", err ? "?" : ctx->ct_srv_OS);
-	err = md_get_string(mbp, &ctx->ct_srv_LM, uc);
-	DPRINT("server LM: %s", err ? "?" : ctx->ct_srv_LM);
-	/*
-	 * There's sometimes a server domain folloing
-	 * at this point, but we don't need it.
-	 */
-
-	/* Success! (See Ignore any ... above) */
-	err = 0;
-
-	/*
-	 * Windows systems don't suport CAP_LARGE_READX,WRITEX
-	 * when signing is enabled, so adjust sv_caps.
-	 */
-	if (ctx->ct_srv_OS &&
-	    0 == strncmp(ctx->ct_srv_OS, "Windows ", 8)) {
-		DPRINT("Server is Windows");
-		if (ctx->ct_vcflags & SMBV_WILL_SIGN) {
-			DPRINT("disable CAP_LARGE_(r/w)");
-			ctx->ct_sopt.sv_caps &=
-			    ~(SMB_CAP_LARGE_READX | SMB_CAP_LARGE_WRITEX);
-		}
-	}
-
-out:
-	if (rqp)
-		smb_rq_done(rqp);
-
-	return (err);
-}
