mirror of
https://github.com/samba-team/samba.git
synced 2024-12-24 21:34:56 +03:00
r17283: use the async calls of auth_check_password() and gensec_update()
in the smb server. metze
This commit is contained in:
parent
43f99f1171
commit
216e02c69c
@ -1776,25 +1776,106 @@ void smbsrv_reply_getattrE(struct smbsrv_request *req)
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SMBSRV_CALL_NTVFS_BACKEND(ntvfs_qfileinfo(req->ntvfs, info));
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SMBSRV_CALL_NTVFS_BACKEND(ntvfs_qfileinfo(req->ntvfs, info));
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}
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}
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void smbsrv_reply_sesssetup_send(struct smbsrv_request *req,
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union smb_sesssetup *io,
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NTSTATUS status)
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{
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switch (io->old.level) {
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case RAW_SESSSETUP_OLD:
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if (!NT_STATUS_IS_OK(status)) {
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smbsrv_send_error(req, status);
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return;
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}
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/* construct reply */
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smbsrv_setup_reply(req, 3, 0);
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SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
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SSVAL(req->out.vwv, VWV(1), 0);
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SSVAL(req->out.vwv, VWV(2), io->old.out.action);
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SSVAL(req->out.hdr, HDR_UID, io->old.out.vuid);
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smbsrv_chain_reply(req);
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return;
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case RAW_SESSSETUP_NT1:
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if (!NT_STATUS_IS_OK(status)) {
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smbsrv_send_error(req, status);
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return;
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}
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/* construct reply */
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smbsrv_setup_reply(req, 3, 0);
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SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
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SSVAL(req->out.vwv, VWV(1), 0);
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SSVAL(req->out.vwv, VWV(2), io->nt1.out.action);
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SSVAL(req->out.hdr, HDR_UID, io->nt1.out.vuid);
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req_push_str(req, NULL, io->nt1.out.os, -1, STR_TERMINATE);
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req_push_str(req, NULL, io->nt1.out.lanman, -1, STR_TERMINATE);
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req_push_str(req, NULL, io->nt1.out.domain, -1, STR_TERMINATE);
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smbsrv_chain_reply(req);
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return;
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case RAW_SESSSETUP_SPNEGO:
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if (!NT_STATUS_IS_OK(status) &&
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!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
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smbsrv_send_error(req, status);
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return;
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}
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/* construct reply */
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smbsrv_setup_reply(req, 4, io->spnego.out.secblob.length);
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if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
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smbsrv_setup_error(req, status);
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}
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SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
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SSVAL(req->out.vwv, VWV(1), 0);
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SSVAL(req->out.vwv, VWV(2), io->spnego.out.action);
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SSVAL(req->out.vwv, VWV(3), io->spnego.out.secblob.length);
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SSVAL(req->out.hdr, HDR_UID, io->spnego.out.vuid);
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memcpy(req->out.data, io->spnego.out.secblob.data, io->spnego.out.secblob.length);
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req_push_str(req, NULL, io->spnego.out.os, -1, STR_TERMINATE);
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req_push_str(req, NULL, io->spnego.out.lanman, -1, STR_TERMINATE);
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req_push_str(req, NULL, io->spnego.out.workgroup, -1, STR_TERMINATE);
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smbsrv_chain_reply(req);
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return;
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case RAW_SESSSETUP_SMB2:
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break;
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}
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smbsrv_send_error(req, NT_STATUS_INTERNAL_ERROR);
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}
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/****************************************************************************
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/****************************************************************************
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reply to an old style session setup command
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reply to an old style session setup command
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****************************************************************************/
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****************************************************************************/
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static void reply_sesssetup_old(struct smbsrv_request *req)
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static void reply_sesssetup_old(struct smbsrv_request *req)
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{
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{
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NTSTATUS status;
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union smb_sesssetup sess;
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uint8_t *p;
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uint8_t *p;
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uint16_t passlen;
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uint16_t passlen;
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union smb_sesssetup *io;
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sess.old.level = RAW_SESSSETUP_OLD;
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SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
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io->old.level = RAW_SESSSETUP_OLD;
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/* parse request */
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/* parse request */
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sess.old.in.bufsize = SVAL(req->in.vwv, VWV(2));
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io->old.in.bufsize = SVAL(req->in.vwv, VWV(2));
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sess.old.in.mpx_max = SVAL(req->in.vwv, VWV(3));
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io->old.in.mpx_max = SVAL(req->in.vwv, VWV(3));
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sess.old.in.vc_num = SVAL(req->in.vwv, VWV(4));
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io->old.in.vc_num = SVAL(req->in.vwv, VWV(4));
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sess.old.in.sesskey = IVAL(req->in.vwv, VWV(5));
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io->old.in.sesskey = IVAL(req->in.vwv, VWV(5));
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passlen = SVAL(req->in.vwv, VWV(7));
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passlen = SVAL(req->in.vwv, VWV(7));
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/* check the request isn't malformed */
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/* check the request isn't malformed */
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if (req_data_oob(req, req->in.data, passlen)) {
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if (req_data_oob(req, req->in.data, passlen)) {
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@ -1803,58 +1884,42 @@ static void reply_sesssetup_old(struct smbsrv_request *req)
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}
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}
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p = req->in.data;
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p = req->in.data;
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if (!req_pull_blob(req, p, passlen, &sess.old.in.password)) {
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if (!req_pull_blob(req, p, passlen, &io->old.in.password)) {
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smbsrv_send_error(req, NT_STATUS_FOOBAR);
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smbsrv_send_error(req, NT_STATUS_FOOBAR);
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return;
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return;
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}
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}
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p += passlen;
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p += passlen;
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p += req_pull_string(req, &sess.old.in.user, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->old.in.user, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &sess.old.in.domain, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->old.in.domain, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &sess.old.in.os, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->old.in.os, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &sess.old.in.lanman, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->old.in.lanman, p, -1, STR_TERMINATE);
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/* call the generic handler */
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/* call the generic handler */
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status = smbsrv_sesssetup_backend(req, &sess);
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smbsrv_sesssetup_backend(req, io);
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if (!NT_STATUS_IS_OK(status)) {
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smbsrv_send_error(req, status);
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return;
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}
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/* construct reply */
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smbsrv_setup_reply(req, 3, 0);
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SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
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SSVAL(req->out.vwv, VWV(1), 0);
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SSVAL(req->out.vwv, VWV(2), sess.old.out.action);
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SSVAL(req->out.hdr, HDR_UID, sess.old.out.vuid);
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smbsrv_chain_reply(req);
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}
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}
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/****************************************************************************
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/****************************************************************************
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reply to an NT1 style session setup command
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reply to an NT1 style session setup command
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****************************************************************************/
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****************************************************************************/
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static void reply_sesssetup_nt1(struct smbsrv_request *req)
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static void reply_sesssetup_nt1(struct smbsrv_request *req)
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{
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{
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NTSTATUS status;
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union smb_sesssetup sess;
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uint8_t *p;
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uint8_t *p;
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uint16_t passlen1, passlen2;
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uint16_t passlen1, passlen2;
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union smb_sesssetup *io;
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sess.nt1.level = RAW_SESSSETUP_NT1;
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SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
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io->nt1.level = RAW_SESSSETUP_NT1;
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/* parse request */
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/* parse request */
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sess.nt1.in.bufsize = SVAL(req->in.vwv, VWV(2));
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io->nt1.in.bufsize = SVAL(req->in.vwv, VWV(2));
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sess.nt1.in.mpx_max = SVAL(req->in.vwv, VWV(3));
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io->nt1.in.mpx_max = SVAL(req->in.vwv, VWV(3));
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sess.nt1.in.vc_num = SVAL(req->in.vwv, VWV(4));
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io->nt1.in.vc_num = SVAL(req->in.vwv, VWV(4));
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sess.nt1.in.sesskey = IVAL(req->in.vwv, VWV(5));
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io->nt1.in.sesskey = IVAL(req->in.vwv, VWV(5));
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passlen1 = SVAL(req->in.vwv, VWV(7));
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passlen1 = SVAL(req->in.vwv, VWV(7));
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passlen2 = SVAL(req->in.vwv, VWV(8));
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passlen2 = SVAL(req->in.vwv, VWV(8));
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sess.nt1.in.capabilities = IVAL(req->in.vwv, VWV(11));
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io->nt1.in.capabilities = IVAL(req->in.vwv, VWV(11));
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/* check the request isn't malformed */
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/* check the request isn't malformed */
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if (req_data_oob(req, req->in.data, passlen1) ||
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if (req_data_oob(req, req->in.data, passlen1) ||
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@ -1864,44 +1929,24 @@ static void reply_sesssetup_nt1(struct smbsrv_request *req)
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}
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}
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p = req->in.data;
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p = req->in.data;
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if (!req_pull_blob(req, p, passlen1, &sess.nt1.in.password1)) {
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if (!req_pull_blob(req, p, passlen1, &io->nt1.in.password1)) {
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smbsrv_send_error(req, NT_STATUS_FOOBAR);
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smbsrv_send_error(req, NT_STATUS_FOOBAR);
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return;
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return;
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}
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}
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p += passlen1;
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p += passlen1;
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if (!req_pull_blob(req, p, passlen2, &sess.nt1.in.password2)) {
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if (!req_pull_blob(req, p, passlen2, &io->nt1.in.password2)) {
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smbsrv_send_error(req, NT_STATUS_FOOBAR);
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smbsrv_send_error(req, NT_STATUS_FOOBAR);
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return;
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return;
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}
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}
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p += passlen2;
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p += passlen2;
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p += req_pull_string(req, &sess.nt1.in.user, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->nt1.in.user, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &sess.nt1.in.domain, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->nt1.in.domain, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &sess.nt1.in.os, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->nt1.in.os, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &sess.nt1.in.lanman, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->nt1.in.lanman, p, -1, STR_TERMINATE);
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/* call the generic handler */
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/* call the generic handler */
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status = smbsrv_sesssetup_backend(req, &sess);
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smbsrv_sesssetup_backend(req, io);
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if (!NT_STATUS_IS_OK(status)) {
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smbsrv_send_error(req, status);
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return;
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}
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/* construct reply */
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smbsrv_setup_reply(req, 3, 0);
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SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
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SSVAL(req->out.vwv, VWV(1), 0);
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SSVAL(req->out.vwv, VWV(2), sess.nt1.out.action);
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SSVAL(req->out.hdr, HDR_UID, sess.nt1.out.vuid);
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req_push_str(req, NULL, sess.nt1.out.os, -1, STR_TERMINATE);
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req_push_str(req, NULL, sess.nt1.out.lanman, -1, STR_TERMINATE);
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req_push_str(req, NULL, sess.nt1.out.domain, -1, STR_TERMINATE);
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smbsrv_chain_reply(req);
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}
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}
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@ -1910,61 +1955,35 @@ reply to an SPNEGO style session setup command
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****************************************************************************/
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****************************************************************************/
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static void reply_sesssetup_spnego(struct smbsrv_request *req)
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static void reply_sesssetup_spnego(struct smbsrv_request *req)
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{
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{
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NTSTATUS status;
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union smb_sesssetup sess;
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uint8_t *p;
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uint8_t *p;
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uint16_t blob_len;
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uint16_t blob_len;
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union smb_sesssetup *io;
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sess.spnego.level = RAW_SESSSETUP_SPNEGO;
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SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
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io->spnego.level = RAW_SESSSETUP_SPNEGO;
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/* parse request */
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/* parse request */
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sess.spnego.in.bufsize = SVAL(req->in.vwv, VWV(2));
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io->spnego.in.bufsize = SVAL(req->in.vwv, VWV(2));
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sess.spnego.in.mpx_max = SVAL(req->in.vwv, VWV(3));
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io->spnego.in.mpx_max = SVAL(req->in.vwv, VWV(3));
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sess.spnego.in.vc_num = SVAL(req->in.vwv, VWV(4));
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io->spnego.in.vc_num = SVAL(req->in.vwv, VWV(4));
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sess.spnego.in.sesskey = IVAL(req->in.vwv, VWV(5));
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io->spnego.in.sesskey = IVAL(req->in.vwv, VWV(5));
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blob_len = SVAL(req->in.vwv, VWV(7));
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blob_len = SVAL(req->in.vwv, VWV(7));
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sess.spnego.in.capabilities = IVAL(req->in.vwv, VWV(10));
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io->spnego.in.capabilities = IVAL(req->in.vwv, VWV(10));
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p = req->in.data;
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p = req->in.data;
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if (!req_pull_blob(req, p, blob_len, &sess.spnego.in.secblob)) {
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if (!req_pull_blob(req, p, blob_len, &io->spnego.in.secblob)) {
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smbsrv_send_error(req, NT_STATUS_FOOBAR);
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smbsrv_send_error(req, NT_STATUS_FOOBAR);
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return;
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return;
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}
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}
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p += blob_len;
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p += blob_len;
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p += req_pull_string(req, &sess.spnego.in.os, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->spnego.in.os, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &sess.spnego.in.lanman, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->spnego.in.lanman, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &sess.spnego.in.workgroup, p, -1, STR_TERMINATE);
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p += req_pull_string(req, &io->spnego.in.workgroup, p, -1, STR_TERMINATE);
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/* call the generic handler */
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/* call the generic handler */
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status = smbsrv_sesssetup_backend(req, &sess);
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smbsrv_sesssetup_backend(req, io);
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if (!NT_STATUS_IS_OK(status) &&
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!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
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smbsrv_send_error(req, status);
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return;
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}
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/* construct reply */
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smbsrv_setup_reply(req, 4, sess.spnego.out.secblob.length);
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if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
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smbsrv_setup_error(req, status);
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}
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SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
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SSVAL(req->out.vwv, VWV(1), 0);
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SSVAL(req->out.vwv, VWV(2), sess.spnego.out.action);
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SSVAL(req->out.vwv, VWV(3), sess.spnego.out.secblob.length);
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|
||||||
SSVAL(req->out.hdr, HDR_UID, sess.spnego.out.vuid);
|
|
||||||
|
|
||||||
memcpy(req->out.data, sess.spnego.out.secblob.data, sess.spnego.out.secblob.length);
|
|
||||||
req_push_str(req, NULL, sess.spnego.out.os, -1, STR_TERMINATE);
|
|
||||||
req_push_str(req, NULL, sess.spnego.out.lanman, -1, STR_TERMINATE);
|
|
||||||
req_push_str(req, NULL, sess.spnego.out.workgroup, -1, STR_TERMINATE);
|
|
||||||
|
|
||||||
smbsrv_chain_reply(req);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@ -41,40 +41,89 @@ static void sesssetup_common_strings(struct smbsrv_request *req,
|
|||||||
(*domain) = talloc_asprintf(req, "%s", lp_workgroup());
|
(*domain) = talloc_asprintf(req, "%s", lp_workgroup());
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void smbsrv_sesssetup_backend_send(struct smbsrv_request *req,
|
||||||
|
union smb_sesssetup *sess,
|
||||||
|
NTSTATUS status)
|
||||||
|
{
|
||||||
|
if (NT_STATUS_IS_OK(status)) {
|
||||||
|
req->smb_conn->negotiate.done_sesssetup = True;
|
||||||
|
}
|
||||||
|
smbsrv_reply_sesssetup_send(req, sess, status);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void sesssetup_old_send(struct auth_check_password_request *areq,
|
||||||
|
void *private_data)
|
||||||
|
{
|
||||||
|
struct smbsrv_request *req = talloc_get_type(private_data, struct smbsrv_request);
|
||||||
|
union smb_sesssetup *sess = talloc_get_type(req->io_ptr, union smb_sesssetup);
|
||||||
|
struct auth_serversupplied_info *server_info = NULL;
|
||||||
|
struct auth_session_info *session_info;
|
||||||
|
struct smbsrv_session *smb_sess;
|
||||||
|
NTSTATUS status;
|
||||||
|
|
||||||
|
status = auth_check_password_recv(areq, req, &server_info);
|
||||||
|
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||||
|
|
||||||
|
/* This references server_info into session_info */
|
||||||
|
status = auth_generate_session_info(req, server_info, &session_info);
|
||||||
|
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||||
|
|
||||||
|
/* allocate a new session */
|
||||||
|
smb_sess = smbsrv_session_new(req->smb_conn, NULL);
|
||||||
|
if (!smb_sess) {
|
||||||
|
status = NT_STATUS_INSUFFICIENT_RESOURCES;
|
||||||
|
goto failed;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Ensure this is marked as a 'real' vuid, not one
|
||||||
|
* simply valid for the session setup leg */
|
||||||
|
status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
|
||||||
|
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||||
|
|
||||||
|
/* To correctly process any AndX packet (like a tree connect)
|
||||||
|
* we need to fill in the session on the request here */
|
||||||
|
req->session = smb_sess;
|
||||||
|
sess->old.out.vuid = smb_sess->vuid;
|
||||||
|
|
||||||
|
failed:
|
||||||
|
status = auth_nt_status_squash(status);
|
||||||
|
smbsrv_sesssetup_backend_send(req, sess, status);
|
||||||
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
handler for old style session setup
|
handler for old style session setup
|
||||||
*/
|
*/
|
||||||
static NTSTATUS sesssetup_old(struct smbsrv_request *req, union smb_sesssetup *sess)
|
static void sesssetup_old(struct smbsrv_request *req, union smb_sesssetup *sess)
|
||||||
{
|
{
|
||||||
NTSTATUS status;
|
|
||||||
struct auth_usersupplied_info *user_info = NULL;
|
struct auth_usersupplied_info *user_info = NULL;
|
||||||
struct auth_serversupplied_info *server_info = NULL;
|
|
||||||
struct auth_session_info *session_info;
|
|
||||||
struct smbsrv_session *smb_sess;
|
|
||||||
struct socket_address *remote_address;
|
struct socket_address *remote_address;
|
||||||
const char *remote_machine = NULL;
|
const char *remote_machine = NULL;
|
||||||
|
|
||||||
sess->old.out.vuid = 0;
|
sess->old.out.vuid = 0;
|
||||||
sess->old.out.action = 0;
|
sess->old.out.action = 0;
|
||||||
|
|
||||||
|
sesssetup_common_strings(req,
|
||||||
|
&sess->old.out.os,
|
||||||
|
&sess->old.out.lanman,
|
||||||
|
&sess->old.out.domain);
|
||||||
|
|
||||||
if (!req->smb_conn->negotiate.done_sesssetup) {
|
if (!req->smb_conn->negotiate.done_sesssetup) {
|
||||||
req->smb_conn->negotiate.max_send = sess->old.in.bufsize;
|
req->smb_conn->negotiate.max_send = sess->old.in.bufsize;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (req->smb_conn->negotiate.calling_name) {
|
if (req->smb_conn->negotiate.calling_name) {
|
||||||
remote_machine = req->smb_conn->negotiate.calling_name->name;
|
remote_machine = req->smb_conn->negotiate.calling_name->name;
|
||||||
}
|
}
|
||||||
|
|
||||||
remote_address = socket_get_peer_addr(req->smb_conn->connection->socket, req);
|
remote_address = socket_get_peer_addr(req->smb_conn->connection->socket, req);
|
||||||
NT_STATUS_HAVE_NO_MEMORY(remote_address);
|
if (!remote_address) goto nomem;
|
||||||
|
|
||||||
if (!remote_machine) {
|
if (!remote_machine) {
|
||||||
remote_machine = remote_address->addr;
|
remote_machine = remote_address->addr;
|
||||||
}
|
}
|
||||||
|
|
||||||
user_info = talloc(req, struct auth_usersupplied_info);
|
user_info = talloc(req, struct auth_usersupplied_info);
|
||||||
NT_STATUS_HAVE_NO_MEMORY(user_info);
|
if (!user_info) goto nomem;
|
||||||
|
|
||||||
user_info->mapped_state = False;
|
user_info->mapped_state = False;
|
||||||
user_info->logon_parameters = 0;
|
user_info->logon_parameters = 0;
|
||||||
@ -89,62 +138,93 @@ static NTSTATUS sesssetup_old(struct smbsrv_request *req, union smb_sesssetup *s
|
|||||||
user_info->password.response.lanman.data = talloc_steal(user_info, sess->old.in.password.data);
|
user_info->password.response.lanman.data = talloc_steal(user_info, sess->old.in.password.data);
|
||||||
user_info->password.response.nt = data_blob(NULL, 0);
|
user_info->password.response.nt = data_blob(NULL, 0);
|
||||||
|
|
||||||
status = auth_check_password(req->smb_conn->negotiate.auth_context,
|
auth_check_password_send(req->smb_conn->negotiate.auth_context, user_info,
|
||||||
req, user_info, &server_info);
|
sesssetup_old_send, req);
|
||||||
if (!NT_STATUS_IS_OK(status)) {
|
return;
|
||||||
return auth_nt_status_squash(status);
|
|
||||||
}
|
nomem:
|
||||||
|
smbsrv_sesssetup_backend_send(req, sess, NT_STATUS_NO_MEMORY);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void sesssetup_nt1_send(struct auth_check_password_request *areq,
|
||||||
|
void *private_data)
|
||||||
|
{
|
||||||
|
struct smbsrv_request *req = talloc_get_type(private_data, struct smbsrv_request);
|
||||||
|
union smb_sesssetup *sess = talloc_get_type(req->io_ptr, union smb_sesssetup);
|
||||||
|
struct auth_serversupplied_info *server_info = NULL;
|
||||||
|
struct auth_session_info *session_info;
|
||||||
|
struct smbsrv_session *smb_sess;
|
||||||
|
NTSTATUS status;
|
||||||
|
|
||||||
|
status = auth_check_password_recv(areq, req, &server_info);
|
||||||
|
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||||
|
|
||||||
/* This references server_info into session_info */
|
/* This references server_info into session_info */
|
||||||
status = auth_generate_session_info(req, server_info, &session_info);
|
status = auth_generate_session_info(req, server_info, &session_info);
|
||||||
if (!NT_STATUS_IS_OK(status)) {
|
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||||
return auth_nt_status_squash(status);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* allocate a new session */
|
/* allocate a new session */
|
||||||
smb_sess = smbsrv_session_new(req->smb_conn, NULL);
|
smb_sess = smbsrv_session_new(req->smb_conn, NULL);
|
||||||
if (!smb_sess) {
|
if (!smb_sess) {
|
||||||
return NT_STATUS_ACCESS_DENIED;
|
status = NT_STATUS_INSUFFICIENT_RESOURCES;
|
||||||
|
goto failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Ensure this is marked as a 'real' vuid, not one
|
/* Ensure this is marked as a 'real' vuid, not one
|
||||||
* simply valid for the session setup leg */
|
* simply valid for the session setup leg */
|
||||||
status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
|
status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
|
||||||
if (!NT_STATUS_IS_OK(status)) {
|
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||||
return auth_nt_status_squash(status);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* To correctly process any AndX packet (like a tree connect)
|
/* To correctly process any AndX packet (like a tree connect)
|
||||||
* we need to fill in the session on the request here */
|
* we need to fill in the session on the request here */
|
||||||
req->session = smb_sess;
|
req->session = smb_sess;
|
||||||
sess->old.out.vuid = smb_sess->vuid;
|
sess->nt1.out.vuid = smb_sess->vuid;
|
||||||
|
|
||||||
sesssetup_common_strings(req,
|
if (!session_info->server_info->authenticated) {
|
||||||
&sess->old.out.os,
|
/* don't try signing as anonymous */
|
||||||
&sess->old.out.lanman,
|
goto done;
|
||||||
&sess->old.out.domain);
|
}
|
||||||
|
|
||||||
return NT_STATUS_OK;
|
if (!smbsrv_setup_signing(req->smb_conn, &session_info->session_key, &sess->nt1.in.password2)) {
|
||||||
|
/* Already signing, or disabled */
|
||||||
|
goto done;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Force check of the request packet, now we know the session key */
|
||||||
|
smbsrv_signing_check_incoming(req);
|
||||||
|
/* TODO: why don't we check the result here? */
|
||||||
|
|
||||||
|
/* Unfortunetly win2k3 as a client doesn't sign the request
|
||||||
|
* packet here, so we have to force signing to start again */
|
||||||
|
|
||||||
|
smbsrv_signing_restart(req->smb_conn, &session_info->session_key, &sess->nt1.in.password2);
|
||||||
|
|
||||||
|
done:
|
||||||
|
status = NT_STATUS_OK;
|
||||||
|
failed:
|
||||||
|
status = auth_nt_status_squash(status);
|
||||||
|
smbsrv_sesssetup_backend_send(req, sess, status);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
handler for NT1 style session setup
|
handler for NT1 style session setup
|
||||||
*/
|
*/
|
||||||
static NTSTATUS sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *sess)
|
static void sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *sess)
|
||||||
{
|
{
|
||||||
NTSTATUS status;
|
NTSTATUS status;
|
||||||
struct auth_context *auth_context;
|
struct auth_context *auth_context;
|
||||||
struct auth_usersupplied_info *user_info = NULL;
|
struct auth_usersupplied_info *user_info = NULL;
|
||||||
struct auth_serversupplied_info *server_info = NULL;
|
|
||||||
struct auth_session_info *session_info;
|
|
||||||
struct smbsrv_session *smb_sess;
|
|
||||||
struct socket_address *remote_address;
|
struct socket_address *remote_address;
|
||||||
const char *remote_machine = NULL;
|
const char *remote_machine = NULL;
|
||||||
|
|
||||||
sess->nt1.out.vuid = 0;
|
sess->nt1.out.vuid = 0;
|
||||||
sess->nt1.out.action = 0;
|
sess->nt1.out.action = 0;
|
||||||
|
|
||||||
|
sesssetup_common_strings(req,
|
||||||
|
&sess->nt1.out.os,
|
||||||
|
&sess->nt1.out.lanman,
|
||||||
|
&sess->nt1.out.domain);
|
||||||
|
|
||||||
if (!req->smb_conn->negotiate.done_sesssetup) {
|
if (!req->smb_conn->negotiate.done_sesssetup) {
|
||||||
req->smb_conn->negotiate.max_send = sess->nt1.in.bufsize;
|
req->smb_conn->negotiate.max_send = sess->nt1.in.bufsize;
|
||||||
req->smb_conn->negotiate.client_caps = sess->nt1.in.capabilities;
|
req->smb_conn->negotiate.client_caps = sess->nt1.in.capabilities;
|
||||||
@ -154,14 +234,15 @@ static NTSTATUS sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *s
|
|||||||
if (sess->nt1.in.user && *sess->nt1.in.user) {
|
if (sess->nt1.in.user && *sess->nt1.in.user) {
|
||||||
/* We can't accept a normal login, because we
|
/* We can't accept a normal login, because we
|
||||||
* don't have a challenge */
|
* don't have a challenge */
|
||||||
return NT_STATUS_LOGON_FAILURE;
|
status = NT_STATUS_LOGON_FAILURE;
|
||||||
|
goto failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* TODO: should we use just "anonymous" here? */
|
/* TODO: should we use just "anonymous" here? */
|
||||||
status = auth_context_create(req, lp_auth_methods(),
|
status = auth_context_create(req, lp_auth_methods(),
|
||||||
&auth_context,
|
&auth_context,
|
||||||
req->smb_conn->connection->event.ctx);
|
req->smb_conn->connection->event.ctx);
|
||||||
NT_STATUS_NOT_OK_RETURN(status);
|
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||||
} else {
|
} else {
|
||||||
auth_context = req->smb_conn->negotiate.auth_context;
|
auth_context = req->smb_conn->negotiate.auth_context;
|
||||||
}
|
}
|
||||||
@ -171,15 +252,15 @@ static NTSTATUS sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *s
|
|||||||
}
|
}
|
||||||
|
|
||||||
remote_address = socket_get_peer_addr(req->smb_conn->connection->socket, req);
|
remote_address = socket_get_peer_addr(req->smb_conn->connection->socket, req);
|
||||||
NT_STATUS_HAVE_NO_MEMORY(remote_address);
|
if (!remote_address) goto nomem;
|
||||||
|
|
||||||
if (!remote_machine) {
|
if (!remote_machine) {
|
||||||
remote_machine = remote_address->addr;
|
remote_machine = remote_address->addr;
|
||||||
}
|
}
|
||||||
|
|
||||||
user_info = talloc(req, struct auth_usersupplied_info);
|
user_info = talloc(req, struct auth_usersupplied_info);
|
||||||
NT_STATUS_HAVE_NO_MEMORY(user_info);
|
if (!user_info) goto nomem;
|
||||||
|
|
||||||
user_info->mapped_state = False;
|
user_info->mapped_state = False;
|
||||||
user_info->logon_parameters = 0;
|
user_info->logon_parameters = 0;
|
||||||
user_info->flags = 0;
|
user_info->flags = 0;
|
||||||
@ -194,72 +275,77 @@ static NTSTATUS sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *s
|
|||||||
user_info->password.response.nt = sess->nt1.in.password2;
|
user_info->password.response.nt = sess->nt1.in.password2;
|
||||||
user_info->password.response.nt.data = talloc_steal(user_info, sess->nt1.in.password2.data);
|
user_info->password.response.nt.data = talloc_steal(user_info, sess->nt1.in.password2.data);
|
||||||
|
|
||||||
status = auth_check_password(auth_context, req, user_info, &server_info);
|
auth_check_password_send(auth_context, user_info,
|
||||||
if (!NT_STATUS_IS_OK(status)) {
|
sesssetup_nt1_send, req);
|
||||||
return auth_nt_status_squash(status);
|
return;
|
||||||
|
|
||||||
|
nomem:
|
||||||
|
status = NT_STATUS_NO_MEMORY;
|
||||||
|
failed:
|
||||||
|
status = auth_nt_status_squash(status);
|
||||||
|
smbsrv_sesssetup_backend_send(req, sess, status);
|
||||||
|
}
|
||||||
|
|
||||||
|
struct sesssetup_spnego_state {
|
||||||
|
struct smbsrv_request *req;
|
||||||
|
union smb_sesssetup *sess;
|
||||||
|
struct smbsrv_session *smb_sess;
|
||||||
|
};
|
||||||
|
|
||||||
|
static void sesssetup_spnego_send(struct gensec_update_request *greq, void *private_data)
|
||||||
|
{
|
||||||
|
struct sesssetup_spnego_state *s = talloc_get_type(private_data,
|
||||||
|
struct sesssetup_spnego_state);
|
||||||
|
struct smbsrv_request *req = s->req;
|
||||||
|
union smb_sesssetup *sess = s->sess;
|
||||||
|
struct smbsrv_session *smb_sess = s->smb_sess;
|
||||||
|
struct auth_session_info *session_info = NULL;
|
||||||
|
NTSTATUS status;
|
||||||
|
NTSTATUS skey_status;
|
||||||
|
DATA_BLOB session_key;
|
||||||
|
|
||||||
|
status = gensec_update_recv(greq, req, &sess->spnego.out.secblob);
|
||||||
|
if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
|
||||||
|
goto done;
|
||||||
|
} else if (!NT_STATUS_IS_OK(status)) {
|
||||||
|
goto failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* This references server_info into session_info */
|
status = gensec_session_info(smb_sess->gensec_ctx, &session_info);
|
||||||
status = auth_generate_session_info(req, server_info, &session_info);
|
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||||
if (!NT_STATUS_IS_OK(status)) {
|
|
||||||
return auth_nt_status_squash(status);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* allocate a new session */
|
skey_status = gensec_session_key(smb_sess->gensec_ctx, &session_key);
|
||||||
smb_sess = smbsrv_session_new(req->smb_conn, NULL);
|
if (NT_STATUS_IS_OK(skey_status) &&
|
||||||
if (!smb_sess) {
|
session_info->server_info->authenticated &&
|
||||||
return NT_STATUS_ACCESS_DENIED;
|
smbsrv_setup_signing(req->smb_conn, &session_key, NULL)) {
|
||||||
|
/* Force check of the request packet, now we know the session key */
|
||||||
|
smbsrv_signing_check_incoming(req);
|
||||||
|
|
||||||
|
smbsrv_signing_restart(req->smb_conn, &session_key, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Ensure this is marked as a 'real' vuid, not one
|
/* Ensure this is marked as a 'real' vuid, not one
|
||||||
* simply valid for the session setup leg */
|
* simply valid for the session setup leg */
|
||||||
status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
|
status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
|
||||||
if (!NT_STATUS_IS_OK(status)) {
|
if (!NT_STATUS_IS_OK(status)) goto failed;
|
||||||
return auth_nt_status_squash(status);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* To correctly process any AndX packet (like a tree connect)
|
|
||||||
* we need to fill in the session on the request here */
|
|
||||||
req->session = smb_sess;
|
req->session = smb_sess;
|
||||||
sess->nt1.out.vuid = smb_sess->vuid;
|
|
||||||
|
|
||||||
sesssetup_common_strings(req,
|
done:
|
||||||
&sess->nt1.out.os,
|
sess->spnego.out.vuid = smb_sess->vuid;
|
||||||
&sess->nt1.out.lanman,
|
failed:
|
||||||
&sess->nt1.out.domain);
|
status = auth_nt_status_squash(status);
|
||||||
|
smbsrv_sesssetup_backend_send(req, sess, status);
|
||||||
if (!session_info->server_info->authenticated) {
|
|
||||||
return NT_STATUS_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!smbsrv_setup_signing(req->smb_conn, &session_info->session_key, &sess->nt1.in.password2)) {
|
|
||||||
/* Already signing, or disabled */
|
|
||||||
return NT_STATUS_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Force check of the request packet, now we know the session key */
|
|
||||||
smbsrv_signing_check_incoming(req);
|
|
||||||
/* TODO: why don't we check the result here? */
|
|
||||||
|
|
||||||
/* Unfortunetly win2k3 as a client doesn't sign the request
|
|
||||||
* packet here, so we have to force signing to start again */
|
|
||||||
|
|
||||||
smbsrv_signing_restart(req->smb_conn, &session_info->session_key, &sess->nt1.in.password2);
|
|
||||||
|
|
||||||
return NT_STATUS_OK;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
handler for SPNEGO style session setup
|
handler for SPNEGO style session setup
|
||||||
*/
|
*/
|
||||||
static NTSTATUS sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup *sess)
|
static void sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup *sess)
|
||||||
{
|
{
|
||||||
NTSTATUS status;
|
NTSTATUS status;
|
||||||
NTSTATUS skey_status;
|
|
||||||
struct smbsrv_session *smb_sess = NULL;
|
struct smbsrv_session *smb_sess = NULL;
|
||||||
struct auth_session_info *session_info = NULL;
|
struct sesssetup_spnego_state *s = NULL;
|
||||||
DATA_BLOB session_key;
|
|
||||||
uint16_t vuid;
|
uint16_t vuid;
|
||||||
|
|
||||||
sess->spnego.out.vuid = 0;
|
sess->spnego.out.vuid = 0;
|
||||||
@ -286,7 +372,7 @@ static NTSTATUS sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup
|
|||||||
req->smb_conn->connection->event.ctx);
|
req->smb_conn->connection->event.ctx);
|
||||||
if (!NT_STATUS_IS_OK(status)) {
|
if (!NT_STATUS_IS_OK(status)) {
|
||||||
DEBUG(1, ("Failed to start GENSEC server code: %s\n", nt_errstr(status)));
|
DEBUG(1, ("Failed to start GENSEC server code: %s\n", nt_errstr(status)));
|
||||||
return status;
|
goto failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
gensec_set_credentials(gensec_ctx, req->smb_conn->negotiate.server_credentials);
|
gensec_set_credentials(gensec_ctx, req->smb_conn->negotiate.server_credentials);
|
||||||
@ -299,15 +385,20 @@ static NTSTATUS sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup
|
|||||||
if (!NT_STATUS_IS_OK(status)) {
|
if (!NT_STATUS_IS_OK(status)) {
|
||||||
DEBUG(1, ("Failed to start GENSEC %s server code: %s\n",
|
DEBUG(1, ("Failed to start GENSEC %s server code: %s\n",
|
||||||
gensec_get_name_by_oid(req->smb_conn->negotiate.oid), nt_errstr(status)));
|
gensec_get_name_by_oid(req->smb_conn->negotiate.oid), nt_errstr(status)));
|
||||||
return status;
|
goto failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* allocate a new session */
|
/* allocate a new session */
|
||||||
smb_sess = smbsrv_session_new(req->smb_conn, gensec_ctx);
|
smb_sess = smbsrv_session_new(req->smb_conn, gensec_ctx);
|
||||||
|
if (!smb_sess) {
|
||||||
|
status = NT_STATUS_INSUFFICIENT_RESOURCES;
|
||||||
|
goto failed;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if (!smb_sess) {
|
if (!smb_sess) {
|
||||||
return NT_STATUS_ACCESS_DENIED;
|
status = NT_STATUS_ACCESS_DENIED;
|
||||||
|
goto failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (!smb_sess->gensec_ctx) {
|
if (!smb_sess->gensec_ctx) {
|
||||||
@ -316,71 +407,46 @@ static NTSTATUS sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup
|
|||||||
goto failed;
|
goto failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
status = gensec_update(smb_sess->gensec_ctx, req, sess->spnego.in.secblob, &sess->spnego.out.secblob);
|
s = talloc(req, struct sesssetup_spnego_state);
|
||||||
if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
|
if (!s) goto nomem;
|
||||||
sess->spnego.out.vuid = smb_sess->vuid;
|
s->req = req;
|
||||||
return status;
|
s->sess = sess;
|
||||||
} else if (!NT_STATUS_IS_OK(status)) {
|
s->smb_sess = smb_sess;
|
||||||
goto failed;
|
|
||||||
}
|
|
||||||
|
|
||||||
status = gensec_session_info(smb_sess->gensec_ctx, &session_info);
|
gensec_update_send(smb_sess->gensec_ctx, sess->spnego.in.secblob,
|
||||||
if (!NT_STATUS_IS_OK(status)) {
|
sesssetup_spnego_send, s);
|
||||||
goto failed;
|
return;
|
||||||
}
|
|
||||||
|
|
||||||
skey_status = gensec_session_key(smb_sess->gensec_ctx, &session_key);
|
|
||||||
if (NT_STATUS_IS_OK(skey_status) &&
|
|
||||||
session_info->server_info->authenticated &&
|
|
||||||
smbsrv_setup_signing(req->smb_conn, &session_key, NULL)) {
|
|
||||||
/* Force check of the request packet, now we know the session key */
|
|
||||||
smbsrv_signing_check_incoming(req);
|
|
||||||
|
|
||||||
smbsrv_signing_restart(req->smb_conn, &session_key, NULL);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Ensure this is marked as a 'real' vuid, not one
|
|
||||||
* simply valid for the session setup leg */
|
|
||||||
status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
|
|
||||||
if (!NT_STATUS_IS_OK(status)) {
|
|
||||||
goto failed;
|
|
||||||
}
|
|
||||||
req->session = smb_sess;
|
|
||||||
|
|
||||||
sess->spnego.out.vuid = smb_sess->vuid;
|
|
||||||
return NT_STATUS_OK;
|
|
||||||
|
|
||||||
|
nomem:
|
||||||
|
status = NT_STATUS_NO_MEMORY;
|
||||||
failed:
|
failed:
|
||||||
talloc_free(smb_sess);
|
talloc_free(smb_sess);
|
||||||
return auth_nt_status_squash(status);
|
status = auth_nt_status_squash(status);
|
||||||
|
smbsrv_sesssetup_backend_send(req, sess, status);
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
backend for sessionsetup call - this takes all 3 variants of the call
|
backend for sessionsetup call - this takes all 3 variants of the call
|
||||||
*/
|
*/
|
||||||
NTSTATUS smbsrv_sesssetup_backend(struct smbsrv_request *req,
|
void smbsrv_sesssetup_backend(struct smbsrv_request *req,
|
||||||
union smb_sesssetup *sess)
|
union smb_sesssetup *sess)
|
||||||
{
|
{
|
||||||
NTSTATUS status = NT_STATUS_INVALID_LEVEL;
|
|
||||||
|
|
||||||
switch (sess->old.level) {
|
switch (sess->old.level) {
|
||||||
case RAW_SESSSETUP_OLD:
|
case RAW_SESSSETUP_OLD:
|
||||||
status = sesssetup_old(req, sess);
|
sesssetup_old(req, sess);
|
||||||
break;
|
return;
|
||||||
|
|
||||||
case RAW_SESSSETUP_NT1:
|
case RAW_SESSSETUP_NT1:
|
||||||
status = sesssetup_nt1(req, sess);
|
sesssetup_nt1(req, sess);
|
||||||
break;
|
return;
|
||||||
|
|
||||||
case RAW_SESSSETUP_SPNEGO:
|
case RAW_SESSSETUP_SPNEGO:
|
||||||
status = sesssetup_spnego(req, sess);
|
sesssetup_spnego(req, sess);
|
||||||
break;
|
return;
|
||||||
|
|
||||||
case RAW_SESSSETUP_SMB2:
|
case RAW_SESSSETUP_SMB2:
|
||||||
status = NT_STATUS_INTERNAL_ERROR;
|
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (NT_STATUS_IS_OK(status)) {
|
smbsrv_sesssetup_backend_send(req, sess, NT_STATUS_INVALID_LEVEL);
|
||||||
req->smb_conn->negotiate.done_sesssetup = True;
|
|
||||||
}
|
|
||||||
|
|
||||||
return status;
|
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user