diff options
Diffstat (limited to 'source4/smb_server')
-rw-r--r-- | source4/smb_server/blob.c | 45 | ||||
-rw-r--r-- | source4/smb_server/config.mk | 4 | ||||
-rw-r--r-- | source4/smb_server/smb/config.mk | 1 | ||||
-rw-r--r-- | source4/smb_server/smb/negprot.c | 3 | ||||
-rw-r--r-- | source4/smb_server/smb/nttrans.c | 6 | ||||
-rw-r--r-- | source4/smb_server/smb/receive.c | 6 | ||||
-rw-r--r-- | source4/smb_server/smb/reply.c | 94 | ||||
-rw-r--r-- | source4/smb_server/smb/request.c | 64 | ||||
-rw-r--r-- | source4/smb_server/smb/search.c | 12 | ||||
-rw-r--r-- | source4/smb_server/smb/trans2.c | 24 | ||||
-rw-r--r-- | source4/smb_server/smb2/config.mk | 1 | ||||
-rw-r--r-- | source4/smb_server/smb2/fileinfo.c | 49 | ||||
-rw-r--r-- | source4/smb_server/smb2/fileio.c | 27 | ||||
-rw-r--r-- | source4/smb_server/smb2/find.c | 5 | ||||
-rw-r--r-- | source4/smb_server/smb2/negprot.c | 104 | ||||
-rw-r--r-- | source4/smb_server/smb2/receive.c | 38 | ||||
-rw-r--r-- | source4/smb_server/smb2/sesssetup.c | 27 | ||||
-rw-r--r-- | source4/smb_server/smb2/tcon.c | 57 | ||||
-rw-r--r-- | source4/smb_server/smb_server.h | 6 |
19 files changed, 340 insertions, 233 deletions
diff --git a/source4/smb_server/blob.c b/source4/smb_server/blob.c index 2b870118ba..8c813204f3 100644 --- a/source4/smb_server/blob.c +++ b/source4/smb_server/blob.c @@ -78,7 +78,7 @@ NTSTATUS smbsrv_blob_fill_data(TALLOC_CTX *mem_ctx, /* pull a string from a blob in a trans2 request */ -size_t smbsrv_blob_pull_string(struct smbsrv_request *req, +size_t smbsrv_blob_pull_string(struct request_bufinfo *bufinfo, const DATA_BLOB *blob, uint16_t offset, const char **str, @@ -92,7 +92,7 @@ size_t smbsrv_blob_pull_string(struct smbsrv_request *req, return 0; } - return req_pull_string(req, str, + return req_pull_string(bufinfo, str, blob->data + offset, blob->length - offset, STR_NO_RANGE_CHECK | flags); @@ -521,9 +521,9 @@ NTSTATUS smbsrv_pull_passthru_sfileinfo(TALLOC_CTX *mem_ctx, union smb_setfileinfo *st, const DATA_BLOB *blob, int default_str_flags, - struct smbsrv_request *req) + struct request_bufinfo *bufinfo) { - uint32_t len; + uint32_t len, ofs; DATA_BLOB str_blob; switch (level) { @@ -560,21 +560,38 @@ NTSTATUS smbsrv_pull_passthru_sfileinfo(TALLOC_CTX *mem_ctx, return NT_STATUS_OK; case RAW_SFILEINFO_RENAME_INFORMATION: - if (!req) { - /* - * TODO: get rid of smbsrv_request argument of - * smbsrv_blob_pull_string() - */ - return NT_STATUS_NOT_IMPLEMENTED; + if (!bufinfo) { + return NT_STATUS_INTERNAL_ERROR; } BLOB_CHECK_MIN_SIZE(blob, 12); - st->rename_information.in.overwrite = CVAL(blob->data, 0); st->rename_information.in.root_fid = IVAL(blob->data, 4); len = IVAL(blob->data, 8); - str_blob.data = blob->data+12; - str_blob.length = MIN(blob->length, len); - smbsrv_blob_pull_string(req, &str_blob, 0, + ofs = 12; + str_blob = *blob; + str_blob.length = MIN(str_blob.length, ofs+len); + smbsrv_blob_pull_string(bufinfo, &str_blob, ofs, + &st->rename_information.in.new_name, + STR_UNICODE); + if (st->rename_information.in.new_name == NULL) { + return NT_STATUS_FOOBAR; + } + + return NT_STATUS_OK; + + case RAW_SFILEINFO_RENAME_INFORMATION_SMB2: + /* SMB2 uses a different format for rename information */ + if (!bufinfo) { + return NT_STATUS_INTERNAL_ERROR; + } + BLOB_CHECK_MIN_SIZE(blob, 20); + st->rename_information.in.overwrite = CVAL(blob->data, 0); + st->rename_information.in.root_fid = BVAL(blob->data, 8); + len = IVAL(blob->data,16); + ofs = 20; + str_blob = *blob; + str_blob.length = MIN(str_blob.length, ofs+len); + smbsrv_blob_pull_string(bufinfo, &str_blob, ofs, &st->rename_information.in.new_name, STR_UNICODE); if (st->rename_information.in.new_name == NULL) { diff --git a/source4/smb_server/config.mk b/source4/smb_server/config.mk index f21336ae69..85c969df59 100644 --- a/source4/smb_server/config.mk +++ b/source4/smb_server/config.mk @@ -25,5 +25,5 @@ PUBLIC_DEPENDENCIES = \ # End SUBSYSTEM SMB ####################### -include smb/config.mk -include smb2/config.mk +mkinclude smb/config.mk +mkinclude smb2/config.mk diff --git a/source4/smb_server/smb/config.mk b/source4/smb_server/smb/config.mk index 22151ebd3b..7927f295b9 100644 --- a/source4/smb_server/smb/config.mk +++ b/source4/smb_server/smb/config.mk @@ -16,6 +16,5 @@ OBJ_FILES = \ signing.o PUBLIC_DEPENDENCIES = \ ntvfs LIBPACKET CREDENTIALS -LDFLAGS = $(SUBSYSTEM_SMB_SERVER_OUTPUT) # End SUBSYSTEM SMB_PROTOCOL ####################### diff --git a/source4/smb_server/smb/negprot.c b/source4/smb_server/smb/negprot.c index 6d9ff838cb..00ff3862f5 100644 --- a/source4/smb_server/smb/negprot.c +++ b/source4/smb_server/smb/negprot.c @@ -466,6 +466,7 @@ static const struct { void (*proto_reply_fn)(struct smbsrv_request *req, uint16_t choice); int protocol_level; } supported_protocols[] = { + {"SMB 2.002", "SMB2", reply_smb2, PROTOCOL_SMB2}, {"SMB 2.001", "SMB2", reply_smb2, PROTOCOL_SMB2}, {"NT LANMAN 1.0", "NT1", reply_nt1, PROTOCOL_NT1}, {"NT LM 0.12", "NT1", reply_nt1, PROTOCOL_NT1}, @@ -508,7 +509,7 @@ void smbsrv_reply_negprot(struct smbsrv_request *req) return; } protos[protos_count] = NULL; - len = req_pull_ascii4(req, (const char **)&protos[protos_count], p, STR_ASCII|STR_TERMINATE); + len = req_pull_ascii4(&req->in.bufinfo, (const char **)&protos[protos_count], p, STR_ASCII|STR_TERMINATE); p += len; if (len == 0 || !protos[protos_count]) break; diff --git a/source4/smb_server/smb/nttrans.c b/source4/smb_server/smb/nttrans.c index dd2ec15e39..f6edc407d6 100644 --- a/source4/smb_server/smb/nttrans.c +++ b/source4/smb_server/smb/nttrans.c @@ -134,7 +134,7 @@ static NTSTATUS nttrans_create(struct smbsrv_request *req, io->ntcreatex.in.sec_desc = NULL; io->ntcreatex.in.ea_list = NULL; - req_pull_string(req, &io->ntcreatex.in.fname, + req_pull_string(&req->in.bufinfo, &io->ntcreatex.in.fname, params + 53, MIN(fname_len+1, trans->in.params.length - 53), STR_NO_RANGE_CHECK | STR_TERMINATE); @@ -622,8 +622,8 @@ void smbsrv_reply_nttrans(struct smbsrv_request *req) memcpy(trans->in.setup, (char *)(req->in.vwv) + VWV(19), sizeof(uint16_t) * trans->in.setup_count); - if (!req_pull_blob(req, req->in.hdr + param_ofs, param_count, &trans->in.params) || - !req_pull_blob(req, req->in.hdr + data_ofs, data_count, &trans->in.data)) { + if (!req_pull_blob(&req->in.bufinfo, req->in.hdr + param_ofs, param_count, &trans->in.params) || + !req_pull_blob(&req->in.bufinfo, req->in.hdr + data_ofs, data_count, &trans->in.data)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } diff --git a/source4/smb_server/smb/receive.c b/source4/smb_server/smb/receive.c index 3f590decca..e3d247cbc0 100644 --- a/source4/smb_server/smb/receive.c +++ b/source4/smb_server/smb/receive.c @@ -151,6 +151,9 @@ NTSTATUS smbsrv_recv_smb_request(void *private, DATA_BLOB blob) req->flags2 = SVAL(req->in.hdr, HDR_FLG2); + /* fix the bufinfo */ + smbsrv_setup_bufinfo(req); + if (!smbsrv_signing_check_incoming(req)) { smbsrv_send_error(req, NT_STATUS_ACCESS_DENIED); return NT_STATUS_OK; @@ -620,6 +623,9 @@ void smbsrv_chain_reply(struct smbsrv_request *req) req->in.data_size = data_size; req->in.ptr = data; + /* fix the bufinfo */ + smbsrv_setup_bufinfo(req); + req->chain_count++; SSVAL(req->out.vwv, VWV(0), chain_cmd); diff --git a/source4/smb_server/smb/reply.c b/source4/smb_server/smb/reply.c index aff0587bc6..40cad91062 100644 --- a/source4/smb_server/smb/reply.c +++ b/source4/smb_server/smb/reply.c @@ -58,9 +58,9 @@ void smbsrv_reply_tcon(struct smbsrv_request *req) con.tcon.level = RAW_TCON_TCON; p = req->in.data; - p += req_pull_ascii4(req, &con.tcon.in.service, p, STR_TERMINATE); - p += req_pull_ascii4(req, &con.tcon.in.password, p, STR_TERMINATE); - p += req_pull_ascii4(req, &con.tcon.in.dev, p, STR_TERMINATE); + p += req_pull_ascii4(&req->in.bufinfo, &con.tcon.in.service, p, STR_TERMINATE); + p += req_pull_ascii4(&req->in.bufinfo, &con.tcon.in.password, p, STR_TERMINATE); + p += req_pull_ascii4(&req->in.bufinfo, &con.tcon.in.dev, p, STR_TERMINATE); if (!con.tcon.in.service || !con.tcon.in.password || !con.tcon.in.dev) { smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER); @@ -106,14 +106,14 @@ void smbsrv_reply_tcon_and_X(struct smbsrv_request *req) p = req->in.data; - if (!req_pull_blob(req, p, passlen, &con.tconx.in.password)) { + if (!req_pull_blob(&req->in.bufinfo, p, passlen, &con.tconx.in.password)) { smbsrv_send_error(req, NT_STATUS_ILL_FORMED_PASSWORD); return; } p += passlen; - p += req_pull_string(req, &con.tconx.in.path, p, -1, STR_TERMINATE); - p += req_pull_string(req, &con.tconx.in.device, p, -1, STR_ASCII); + p += req_pull_string(&req->in.bufinfo, &con.tconx.in.path, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &con.tconx.in.device, p, -1, STR_ASCII); if (!con.tconx.in.path || !con.tconx.in.device) { smbsrv_send_error(req, NT_STATUS_BAD_DEVICE_TYPE); @@ -223,7 +223,7 @@ void smbsrv_reply_chkpth(struct smbsrv_request *req) SMBSRV_TALLOC_IO_PTR(io, union smb_chkpath); SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC); - req_pull_ascii4(req, &io->chkpath.in.path, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &io->chkpath.in.path, req->in.data, STR_TERMINATE); SMBSRV_CALL_NTVFS_BACKEND(ntvfs_chkpath(req->ntvfs, io)); } @@ -264,7 +264,7 @@ void smbsrv_reply_getatr(struct smbsrv_request *req) st->getattr.level = RAW_FILEINFO_GETATTR; /* parse request */ - req_pull_ascii4(req, &st->getattr.in.file.path, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &st->getattr.in.file.path, req->in.data, STR_TERMINATE); if (!st->getattr.in.file.path) { smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND); return; @@ -290,7 +290,7 @@ void smbsrv_reply_setatr(struct smbsrv_request *req) st->setattr.in.attrib = SVAL(req->in.vwv, VWV(0)); st->setattr.in.write_time = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(1)); - req_pull_ascii4(req, &st->setattr.in.file.path, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &st->setattr.in.file.path, req->in.data, STR_TERMINATE); if (!st->setattr.in.file.path) { smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND); @@ -379,7 +379,7 @@ void smbsrv_reply_open(struct smbsrv_request *req) oi->openold.in.open_mode = SVAL(req->in.vwv, VWV(0)); oi->openold.in.search_attrs = SVAL(req->in.vwv, VWV(1)); - req_pull_ascii4(req, &oi->openold.in.fname, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &oi->openold.in.fname, req->in.data, STR_TERMINATE); if (!oi->openold.in.fname) { smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND); @@ -452,7 +452,7 @@ void smbsrv_reply_open_and_X(struct smbsrv_request *req) oi->openx.in.size = IVAL(req->in.vwv, VWV(9)); oi->openx.in.timeout = IVAL(req->in.vwv, VWV(11)); - req_pull_ascii4(req, &oi->openx.in.fname, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &oi->openx.in.fname, req->in.data, STR_TERMINATE); if (!oi->openx.in.fname) { smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND); @@ -502,7 +502,7 @@ void smbsrv_reply_mknew(struct smbsrv_request *req) oi->mknew.in.attrib = SVAL(req->in.vwv, VWV(0)); oi->mknew.in.write_time = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(1)); - req_pull_ascii4(req, &oi->mknew.in.fname, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &oi->mknew.in.fname, req->in.data, STR_TERMINATE); if (!oi->mknew.in.fname) { smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND); @@ -551,7 +551,7 @@ void smbsrv_reply_ctemp(struct smbsrv_request *req) /* the filename is actually a directory name, the server provides a filename in that directory */ - req_pull_ascii4(req, &oi->ctemp.in.directory, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &oi->ctemp.in.directory, req->in.data, STR_TERMINATE); if (!oi->ctemp.in.directory) { smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND); @@ -576,7 +576,7 @@ void smbsrv_reply_unlink(struct smbsrv_request *req) unl->unlink.in.attrib = SVAL(req->in.vwv, VWV(0)); - req_pull_ascii4(req, &unl->unlink.in.pattern, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &unl->unlink.in.pattern, req->in.data, STR_TERMINATE); SMBSRV_CALL_NTVFS_BACKEND(ntvfs_unlink(req->ntvfs, unl)); } @@ -958,7 +958,7 @@ void smbsrv_reply_write(struct smbsrv_request *req) io->write.in.data = req->in.data + 3; /* make sure they gave us the data they promised */ - if (req_data_oob(req, io->write.in.data, io->write.in.count)) { + if (req_data_oob(&req->in.bufinfo, io->write.in.data, io->write.in.count)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } @@ -1027,7 +1027,7 @@ void smbsrv_reply_write_and_X(struct smbsrv_request *req) } /* make sure the data is in bounds */ - if (req_data_oob(req, io->writex.in.data, io->writex.in.count)) { + if (req_data_oob(&req->in.bufinfo, io->writex.in.data, io->writex.in.count)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } @@ -1163,7 +1163,7 @@ void smbsrv_reply_writeclose(struct smbsrv_request *req) io->writeclose.in.data = req->in.data + 1; /* make sure they gave us the data they promised */ - if (req_data_oob(req, io->writeclose.in.data, io->writeclose.in.count)) { + if (req_data_oob(&req->in.bufinfo, io->writeclose.in.data, io->writeclose.in.count)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } @@ -1313,7 +1313,7 @@ void smbsrv_reply_printopen(struct smbsrv_request *req) oi->splopen.in.setup_length = SVAL(req->in.vwv, VWV(0)); oi->splopen.in.mode = SVAL(req->in.vwv, VWV(1)); - req_pull_ascii4(req, &oi->splopen.in.ident, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &oi->splopen.in.ident, req->in.data, STR_TERMINATE); SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi)); } @@ -1426,7 +1426,7 @@ void smbsrv_reply_printwrite(struct smbsrv_request *req) io->splwrite.in.data = req->in.data + 3; /* make sure they gave us the data they promised */ - if (req_data_oob(req, io->splwrite.in.data, io->splwrite.in.count)) { + if (req_data_oob(&req->in.bufinfo, io->splwrite.in.data, io->splwrite.in.count)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } @@ -1449,7 +1449,7 @@ void smbsrv_reply_mkdir(struct smbsrv_request *req) SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC); io->generic.level = RAW_MKDIR_MKDIR; - req_pull_ascii4(req, &io->mkdir.in.path, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &io->mkdir.in.path, req->in.data, STR_TERMINATE); SMBSRV_CALL_NTVFS_BACKEND(ntvfs_mkdir(req->ntvfs, io)); } @@ -1467,7 +1467,7 @@ void smbsrv_reply_rmdir(struct smbsrv_request *req) SMBSRV_TALLOC_IO_PTR(io, struct smb_rmdir); SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC); - req_pull_ascii4(req, &io->in.path, req->in.data, STR_TERMINATE); + req_pull_ascii4(&req->in.bufinfo, &io->in.path, req->in.data, STR_TERMINATE); SMBSRV_CALL_NTVFS_BACKEND(ntvfs_rmdir(req->ntvfs, io)); } @@ -1490,8 +1490,8 @@ void smbsrv_reply_mv(struct smbsrv_request *req) io->rename.in.attrib = SVAL(req->in.vwv, VWV(0)); p = req->in.data; - p += req_pull_ascii4(req, &io->rename.in.pattern1, p, STR_TERMINATE); - p += req_pull_ascii4(req, &io->rename.in.pattern2, p, STR_TERMINATE); + p += req_pull_ascii4(&req->in.bufinfo, &io->rename.in.pattern1, p, STR_TERMINATE); + p += req_pull_ascii4(&req->in.bufinfo, &io->rename.in.pattern2, p, STR_TERMINATE); if (!io->rename.in.pattern1 || !io->rename.in.pattern2) { smbsrv_send_error(req, NT_STATUS_FOOBAR); @@ -1521,8 +1521,8 @@ void smbsrv_reply_ntrename(struct smbsrv_request *req) io->ntrename.in.cluster_size = IVAL(req->in.vwv, VWV(2)); p = req->in.data; - p += req_pull_ascii4(req, &io->ntrename.in.old_name, p, STR_TERMINATE); - p += req_pull_ascii4(req, &io->ntrename.in.new_name, p, STR_TERMINATE); + p += req_pull_ascii4(&req->in.bufinfo, &io->ntrename.in.old_name, p, STR_TERMINATE); + p += req_pull_ascii4(&req->in.bufinfo, &io->ntrename.in.new_name, p, STR_TERMINATE); if (!io->ntrename.in.old_name || !io->ntrename.in.new_name) { smbsrv_send_error(req, NT_STATUS_FOOBAR); @@ -1568,8 +1568,8 @@ void smbsrv_reply_copy(struct smbsrv_request *req) cp->in.flags = SVAL(req->in.vwv, VWV(2)); p = req->in.data; - p += req_pull_ascii4(req, &cp->in.path1, p, STR_TERMINATE); - p += req_pull_ascii4(req, &cp->in.path2, p, STR_TERMINATE); + p += req_pull_ascii4(&req->in.bufinfo, &cp->in.path1, p, STR_TERMINATE); + p += req_pull_ascii4(&req->in.bufinfo, &cp->in.path2, p, STR_TERMINATE); if (!cp->in.path1 || !cp->in.path2) { smbsrv_send_error(req, NT_STATUS_FOOBAR); @@ -1638,7 +1638,7 @@ void smbsrv_reply_lockingX(struct smbsrv_request *req) } /* make sure we got the promised data */ - if (req_data_oob(req, req->in.data, total_locks * lck_size)) { + if (req_data_oob(&req->in.bufinfo, req->in.data, total_locks * lck_size)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } @@ -1877,22 +1877,22 @@ static void reply_sesssetup_old(struct smbsrv_request *req) passlen = SVAL(req->in.vwv, VWV(7)); /* check the request isn't malformed */ - if (req_data_oob(req, req->in.data, passlen)) { + if (req_data_oob(&req->in.bufinfo, req->in.data, passlen)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } p = req->in.data; - if (!req_pull_blob(req, p, passlen, &io->old.in.password)) { + if (!req_pull_blob(&req->in.bufinfo, p, passlen, &io->old.in.password)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } p += passlen; - p += req_pull_string(req, &io->old.in.user, p, -1, STR_TERMINATE); - p += req_pull_string(req, &io->old.in.domain, p, -1, STR_TERMINATE); - p += req_pull_string(req, &io->old.in.os, p, -1, STR_TERMINATE); - p += req_pull_string(req, &io->old.in.lanman, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->old.in.user, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->old.in.domain, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->old.in.os, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->old.in.lanman, p, -1, STR_TERMINATE); /* call the generic handler */ smbsrv_sesssetup_backend(req, io); @@ -1921,28 +1921,28 @@ static void reply_sesssetup_nt1(struct smbsrv_request *req) io->nt1.in.capabilities = IVAL(req->in.vwv, VWV(11)); /* check the request isn't malformed */ - if (req_data_oob(req, req->in.data, passlen1) || - req_data_oob(req, req->in.data + passlen1, passlen2)) { + if (req_data_oob(&req->in.bufinfo, req->in.data, passlen1) || + req_data_oob(&req->in.bufinfo, req->in.data + passlen1, passlen2)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } p = req->in.data; - if (!req_pull_blob(req, p, passlen1, &io->nt1.in.password1)) { + if (!req_pull_blob(&req->in.bufinfo, p, passlen1, &io->nt1.in.password1)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } p += passlen1; - if (!req_pull_blob(req, p, passlen2, &io->nt1.in.password2)) { + if (!req_pull_blob(&req->in.bufinfo, p, passlen2, &io->nt1.in.password2)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } p += passlen2; - p += req_pull_string(req, &io->nt1.in.user, p, -1, STR_TERMINATE); - p += req_pull_string(req, &io->nt1.in.domain, p, -1, STR_TERMINATE); - p += req_pull_string(req, &io->nt1.in.os, p, -1, STR_TERMINATE); - p += req_pull_string(req, &io->nt1.in.lanman, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->nt1.in.user, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->nt1.in.domain, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->nt1.in.os, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->nt1.in.lanman, p, -1, STR_TERMINATE); /* call the generic handler */ smbsrv_sesssetup_backend(req, io); @@ -1971,15 +1971,15 @@ static void reply_sesssetup_spnego(struct smbsrv_request *req) io->spnego.in.capabilities = IVAL(req->in.vwv, VWV(10)); p = req->in.data; - if (!req_pull_blob(req, p, blob_len, &io->spnego.in.secblob)) { + if (!req_pull_blob(&req->in.bufinfo, p, blob_len, &io->spnego.in.secblob)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } p += blob_len; - p += req_pull_string(req, &io->spnego.in.os, p, -1, STR_TERMINATE); - p += req_pull_string(req, &io->spnego.in.lanman, p, -1, STR_TERMINATE); - p += req_pull_string(req, &io->spnego.in.workgroup, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->spnego.in.os, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->spnego.in.lanman, p, -1, STR_TERMINATE); + p += req_pull_string(&req->in.bufinfo, &io->spnego.in.workgroup, p, -1, STR_TERMINATE); /* call the generic handler */ smbsrv_sesssetup_backend(req, io); @@ -2199,7 +2199,7 @@ void smbsrv_reply_ntcreate_and_X(struct smbsrv_request *req) fname_len++; } - req_pull_string(req, &io->ntcreatex.in.fname, req->in.data, fname_len, STR_TERMINATE); + req_pull_string(&req->in.bufinfo, &io->ntcreatex.in.fname, req->in.data, fname_len, STR_TERMINATE); if (!io->ntcreatex.in.fname) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; diff --git a/source4/smb_server/smb/request.c b/source4/smb_server/smb/request.c index 8f6d664500..d7f3793f23 100644 --- a/source4/smb_server/smb/request.c +++ b/source4/smb_server/smb/request.c @@ -33,6 +33,20 @@ /* we over allocate the data buffer to prevent too many realloc calls */ #define REQ_OVER_ALLOCATION 0 +/* setup the bufinfo used for strings and range checking */ +void smbsrv_setup_bufinfo(struct smbsrv_request *req) +{ + req->in.bufinfo.mem_ctx = req; + req->in.bufinfo.flags = 0; + if (req->flags2 & FLAGS2_UNICODE_STRINGS) { + req->in.bufinfo.flags |= BUFINFO_FLAG_UNICODE; + } + req->in.bufinfo.align_base = req->in.buffer; + req->in.bufinfo.data = req->in.data; + req->in.bufinfo.data_size = req->in.data_size; +} + + static int smbsrv_request_destructor(struct smbsrv_request *req) { DLIST_REMOVE(req->smb_conn->requests, req); @@ -461,13 +475,13 @@ size_t req_append_var_block(struct smbsrv_request *req, on failure zero is returned and *dest is set to NULL, otherwise the number of bytes consumed in the packet is returned */ -static size_t req_pull_ucs2(struct smbsrv_request *req, const char **dest, const uint8_t *src, int byte_len, uint_t flags) +static size_t req_pull_ucs2(struct request_bufinfo *bufinfo, const char **dest, const uint8_t *src, int byte_len, uint_t flags) { int src_len, src_len2, alignment=0; ssize_t ret; char *dest2; - if (!(flags & STR_NOALIGN) && ucs2_align(req->in.buffer, src, flags)) { + if (!(flags & STR_NOALIGN) && ucs2_align(bufinfo->align_base, src, flags)) { src++; alignment=1; if (byte_len != -1) { @@ -478,7 +492,7 @@ static size_t req_pull_ucs2(struct smbsrv_request *req, const char **dest, const if (flags & STR_NO_RANGE_CHECK) { src_len = byte_len; } else { - src_len = req->in.data_size - PTR_DIFF(src, req->in.data); + src_len = bufinfo->data_size - PTR_DIFF(src, bufinfo->data); if (byte_len != -1 && src_len > byte_len) { src_len = byte_len; } @@ -491,11 +505,11 @@ static size_t req_pull_ucs2(struct smbsrv_request *req, const char **dest, const src_len2 = utf16_len_n(src, src_len); if (src_len2 == 0) { - *dest = talloc_strdup(req, ""); + *dest = talloc_strdup(bufinfo->mem_ctx, ""); return src_len2 + alignment; } - ret = convert_string_talloc(req, lp_iconv_convenience(global_loadparm), CH_UTF16, CH_UNIX, src, src_len2, (void **)&dest2); + ret = convert_string_talloc(bufinfo->mem_ctx, lp_iconv_convenience(global_loadparm), CH_UTF16, CH_UNIX, src, src_len2, (void **)&dest2); if (ret == -1) { *dest = NULL; @@ -519,7 +533,7 @@ static size_t req_pull_ucs2(struct smbsrv_request *req, const char **dest, const on failure zero is returned and *dest is set to NULL, otherwise the number of bytes consumed in the packet is returned */ -static size_t req_pull_ascii(struct smbsrv_request *req, const char **dest, const uint8_t *src, int byte_len, uint_t flags) +static size_t req_pull_ascii(struct request_bufinfo *bufinfo, const char **dest, const uint8_t *src, int byte_len, uint_t flags) { int src_len, src_len2; ssize_t ret; @@ -528,7 +542,7 @@ static size_t req_pull_ascii(struct smbsrv_request *req, const char **dest, cons if (flags & STR_NO_RANGE_CHECK) { src_len = byte_len; } else { - src_len = req->in.data_size - PTR_DIFF(src, req->in.data); + src_len = bufinfo->data_size - PTR_DIFF(src, bufinfo->data); if (src_len < 0) { *dest = NULL; return 0; @@ -544,7 +558,7 @@ static size_t req_pull_ascii(struct smbsrv_request *req, const char **dest, cons src_len2++; } - ret = convert_string_talloc(req, lp_iconv_convenience(global_loadparm), CH_DOS, CH_UNIX, src, src_len2, (void **)&dest2); + ret = convert_string_talloc(bufinfo->mem_ctx, lp_iconv_convenience(global_loadparm), CH_DOS, CH_UNIX, src, src_len2, (void **)&dest2); if (ret == -1) { *dest = NULL; @@ -568,14 +582,14 @@ static size_t req_pull_ascii(struct smbsrv_request *req, const char **dest, cons on failure zero is returned and *dest is set to NULL, otherwise the number of bytes consumed in the packet is returned */ -size_t req_pull_string(struct smbsrv_request *req, const char **dest, const uint8_t *src, int byte_len, uint_t flags) +size_t req_pull_string(struct request_bufinfo *bufinfo, const char **dest, const uint8_t *src, int byte_len, uint_t flags) { if (!(flags & STR_ASCII) && - (((flags & STR_UNICODE) || (req->flags2 & FLAGS2_UNICODE_STRINGS)))) { - return req_pull_ucs2(req, dest, src, byte_len, flags); + (((flags & STR_UNICODE) || (bufinfo->flags & BUFINFO_FLAG_UNICODE)))) { + return req_pull_ucs2(bufinfo, dest, src, byte_len, flags); } - return req_pull_ascii(req, dest, src, byte_len, flags); + return req_pull_ascii(bufinfo, dest, src, byte_len, flags); } @@ -588,13 +602,13 @@ size_t req_pull_string(struct smbsrv_request *req, const char **dest, const uint on failure *dest is set to the zero length string. This seems to match win2000 behaviour */ -size_t req_pull_ascii4(struct smbsrv_request *req, const char **dest, const uint8_t *src, uint_t flags) +size_t req_pull_ascii4(struct request_bufinfo *bufinfo, const char **dest, const uint8_t *src, uint_t flags) { ssize_t ret; - if (PTR_DIFF(src, req->in.data) + 1 > req->in.data_size) { + if (PTR_DIFF(src, bufinfo->data) + 1 > bufinfo->data_size) { /* win2000 treats this as the empty string! */ - (*dest) = talloc_strdup(req, ""); + (*dest) = talloc_strdup(bufinfo->mem_ctx, ""); return 0; } @@ -603,9 +617,9 @@ size_t req_pull_ascii4(struct smbsrv_request *req, const char **dest, const uint behaviour */ src++; - ret = req_pull_string(req, dest, src, -1, flags); + ret = req_pull_string(bufinfo, dest, src, -1, flags); if (ret == -1) { - (*dest) = talloc_strdup(req, ""); + (*dest) = talloc_strdup(bufinfo->mem_ctx, ""); return 1; } @@ -617,30 +631,30 @@ size_t req_pull_ascii4(struct smbsrv_request *req, const char **dest, const uint return false if any part is outside the data portion of the packet */ -bool req_pull_blob(struct smbsrv_request *req, const uint8_t *src, int len, DATA_BLOB *blob) +bool req_pull_blob(struct request_bufinfo *bufinfo, const uint8_t *src, int len, DATA_BLOB *blob) { - if (len != 0 && req_data_oob(req, src, len)) { + if (len != 0 && req_data_oob(bufinfo, src, len)) { return false; } - (*blob) = data_blob_talloc(req, src, len); + (*blob) = data_blob_talloc(bufinfo->mem_ctx, src, len); return true; } /* check that a lump of data in a request is within the bounds of the data section of the packet */ -bool req_data_oob(struct smbsrv_request *req, const uint8_t *ptr, uint32_t count) +bool req_data_oob(struct request_bufinfo *bufinfo, const uint8_t *ptr, uint32_t count) { if (count == 0) { return false; } /* be careful with wraparound! */ - if (ptr < req->in.data || - ptr >= req->in.data + req->in.data_size || - count > req->in.data_size || - ptr + count > req->in.data + req->in.data_size) { + if (ptr < bufinfo->data || + ptr >= bufinfo->data + bufinfo->data_size || + count > bufinfo->data_size || + ptr + count > bufinfo->data + bufinfo->data_size) { return true; } return false; diff --git a/source4/smb_server/smb/search.c b/source4/smb_server/smb/search.c index ccf2ff7365..90b2331271 100644 --- a/source4/smb_server/smb/search.c +++ b/source4/smb_server/smb/search.c @@ -129,14 +129,14 @@ void smbsrv_reply_search(struct smbsrv_request *req) SMBSRV_TALLOC_IO_PTR(sf, union smb_search_first); p = req->in.data; - p += req_pull_ascii4(req, &sf->search_first.in.pattern, + p += req_pull_ascii4(&req->in.bufinfo, &sf->search_first.in.pattern, p, STR_TERMINATE); if (!sf->search_first.in.pattern) { smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND); return; } - if (req_data_oob(req, p, 3)) { + if (req_data_oob(&req->in.bufinfo, p, 3)) { smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER); return; } @@ -167,7 +167,7 @@ void smbsrv_reply_search(struct smbsrv_request *req) union smb_search_next *sn; if (resume_key_length != 21 || - req_data_oob(req, p, 21) || + req_data_oob(&req->in.bufinfo, p, 21) || level == RAW_SEARCH_FUNIQUE) { smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER); return; @@ -242,13 +242,13 @@ void smbsrv_reply_fclose(struct smbsrv_request *req) SMBSRV_SETUP_NTVFS_REQUEST(reply_fclose_send, NTVFS_ASYNC_STATE_MAY_ASYNC); p = req->in.data; - p += req_pull_ascii4(req, &pattern, p, STR_TERMINATE); + p += req_pull_ascii4(&req->in.bufinfo, &pattern, p, STR_TERMINATE); if (pattern && *pattern) { smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER); return; } - if (req_data_oob(req, p, 3)) { + if (req_data_oob(&req->in.bufinfo, p, 3)) { smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER); return; } @@ -264,7 +264,7 @@ void smbsrv_reply_fclose(struct smbsrv_request *req) return; } - if (req_data_oob(req, p, 21)) { + if (req_data_oob(&req->in.bufinfo, p, 21)) { smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER); return; } diff --git a/source4/smb_server/smb/trans2.c b/source4/smb_server/smb/trans2.c index 45ea234d09..3336169bb0 100644 --- a/source4/smb_server/smb/trans2.c +++ b/source4/smb_server/smb/trans2.c @@ -248,7 +248,7 @@ static NTSTATUS trans2_open(struct smbsrv_request *req, struct trans_op *op) io->t2open.in.num_eas = 0; io->t2open.in.eas = NULL; - smbsrv_blob_pull_string(req, &trans->in.params, 28, &io->t2open.in.fname, 0); + smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 28, &io->t2open.in.fname, 0); if (io->t2open.in.fname == NULL) { return NT_STATUS_FOOBAR; } @@ -296,7 +296,7 @@ static NTSTATUS trans2_mkdir(struct smbsrv_request *req, struct trans_op *op) NT_STATUS_HAVE_NO_MEMORY(io); io->t2mkdir.level = RAW_MKDIR_T2MKDIR; - smbsrv_blob_pull_string(req, &trans->in.params, 4, &io->t2mkdir.in.path, 0); + smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 4, &io->t2mkdir.in.path, 0); if (io->t2mkdir.in.path == NULL) { return NT_STATUS_FOOBAR; } @@ -461,7 +461,7 @@ static NTSTATUS trans2_qpathinfo(struct smbsrv_request *req, struct trans_op *op level = SVAL(trans->in.params.data, 0); - smbsrv_blob_pull_string(req, &trans->in.params, 6, &st->generic.in.file.path, 0); + smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 6, &st->generic.in.file.path, 0); if (st->generic.in.file.path == NULL) { return NT_STATUS_FOOBAR; } @@ -602,7 +602,7 @@ static NTSTATUS trans2_parse_sfileinfo(struct smbsrv_request *req, return smbsrv_pull_passthru_sfileinfo(st, passthru_level, st, blob, SMBSRV_REQ_DEFAULT_STR_FLAGS(req), - req); + &req->in.bufinfo); } /* @@ -661,7 +661,7 @@ static NTSTATUS trans2_setpathinfo(struct smbsrv_request *req, struct trans_op * level = SVAL(trans->in.params.data, 0); - smbsrv_blob_pull_string(req, &trans->in.params, 6, &st->generic.in.file.path, 0); + smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 6, &st->generic.in.file.path, 0); if (st->generic.in.file.path == NULL) { return NT_STATUS_FOOBAR; } @@ -859,7 +859,7 @@ static NTSTATUS trans2_findfirst(struct smbsrv_request *req, struct trans_op *op level = SVAL(trans->in.params.data, 6); search->t2ffirst.in.storage_type = IVAL(trans->in.params.data, 8); - smbsrv_blob_pull_string(req, &trans->in.params, 12, &search->t2ffirst.in.pattern, 0); + smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 12, &search->t2ffirst.in.pattern, 0); if (search->t2ffirst.in.pattern == NULL) { return NT_STATUS_FOOBAR; } @@ -945,7 +945,7 @@ static NTSTATUS trans2_findnext(struct smbsrv_request *req, struct trans_op *op) search->t2fnext.in.resume_key = IVAL(trans->in.params.data, 6); search->t2fnext.in.flags = SVAL(trans->in.params.data, 10); - smbsrv_blob_pull_string(req, &trans->in.params, 12, &search->t2fnext.in.last_name, 0); + smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 12, &search->t2fnext.in.last_name, 0); if (search->t2fnext.in.last_name == NULL) { return NT_STATUS_FOOBAR; } @@ -1240,11 +1240,11 @@ static void reply_trans_generic(struct smbsrv_request *req, uint8_t command) } if (command == SMBtrans) { - req_pull_string(req, &trans->in.trans_name, req->in.data, -1, STR_TERMINATE); + req_pull_string(&req->in.bufinfo, &trans->in.trans_name, req->in.data, -1, STR_TERMINATE); } - if (!req_pull_blob(req, req->in.hdr + param_ofs, param_count, &trans->in.params) || - !req_pull_blob(req, req->in.hdr + data_ofs, data_count, &trans->in.data)) { + if (!req_pull_blob(&req->in.bufinfo, req->in.hdr + param_ofs, param_count, &trans->in.params) || + !req_pull_blob(&req->in.bufinfo, req->in.hdr + data_ofs, data_count, &trans->in.data)) { smbsrv_send_error(req, NT_STATUS_FOOBAR); return; } @@ -1302,8 +1302,8 @@ static void reply_transs_generic(struct smbsrv_request *req, uint8_t command) data_ofs = SVAL(req->in.vwv, VWV(6)); data_disp = SVAL(req->in.vwv, VWV(7)); - if (!req_pull_blob(req, req->in.hdr + param_ofs, param_count, ¶ms) || - !req_pull_blob(req, req->in.hdr + data_ofs, data_count, &data)) { + if (!req_pull_blob(&req->in.bufinfo, req->in.hdr + param_ofs, param_count, ¶ms) || + !req_pull_blob(&req->in.bufinfo, req->in.hdr + data_ofs, data_count, &data)) { smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER); return; } diff --git a/source4/smb_server/smb2/config.mk b/source4/smb_server/smb2/config.mk index b878d404c8..d5ba43b3a8 100644 --- a/source4/smb_server/smb2/config.mk +++ b/source4/smb_server/smb2/config.mk @@ -13,6 +13,5 @@ OBJ_FILES = \ keepalive.o PUBLIC_DEPENDENCIES = \ ntvfs LIBPACKET LIBCLI_SMB2 -LDFLAGS = $(SUBSYSTEM_SMB_SERVER_OUTPUT) # End SUBSYSTEM SMB2_PROTOCOL ####################### diff --git a/source4/smb_server/smb2/fileinfo.c b/source4/smb_server/smb2/fileinfo.c index 00c455e351..d6db61eaba 100644 --- a/source4/smb_server/smb2/fileinfo.c +++ b/source4/smb_server/smb2/fileinfo.c @@ -79,19 +79,21 @@ static NTSTATUS smb2srv_getinfo_file_send(struct smb2srv_getinfo_op *op) static NTSTATUS smb2srv_getinfo_file(struct smb2srv_getinfo_op *op, uint8_t smb2_level) { union smb_fileinfo *io; + uint16_t level; io = talloc(op, union smb_fileinfo); NT_STATUS_HAVE_NO_MEMORY(io); - switch (op->info->in.level) { + level = op->info->in.info_type | (op->info->in.info_class << 8); + switch (level) { case RAW_FILEINFO_SMB2_ALL_EAS: - io->all_eas.level = op->info->in.level; + io->all_eas.level = level; io->all_eas.in.file.ntvfs = op->info->in.file.ntvfs; - io->all_eas.in.continue_flags = op->info->in.flags2; + io->all_eas.in.continue_flags = op->info->in.getinfo_flags; break; case RAW_FILEINFO_SMB2_ALL_INFORMATION: - io->all_info2.level = op->info->in.level; + io->all_info2.level = level; io->all_info2.in.file.ntvfs = op->info->in.file.ntvfs; break; @@ -166,7 +168,7 @@ static NTSTATUS smb2srv_getinfo_security(struct smb2srv_getinfo_op *op, uint8_t io->query_secdesc.level = RAW_FILEINFO_SEC_DESC; io->query_secdesc.in.file.ntvfs = op->info->in.file.ntvfs; - io->query_secdesc.in.secinfo_flags = op->info->in.flags; + io->query_secdesc.in.secinfo_flags = op->info->in.additional_information; op->io_ptr = io; op->send_fn = smb2srv_getinfo_security_send; @@ -179,23 +181,17 @@ static NTSTATUS smb2srv_getinfo_security(struct smb2srv_getinfo_op *op, uint8_t static NTSTATUS smb2srv_getinfo_backend(struct smb2srv_getinfo_op *op) { - uint8_t smb2_class; - uint8_t smb2_level; - - smb2_class = 0xFF & op->info->in.level; - smb2_level = 0xFF & (op->info->in.level>>8); - - switch (smb2_class) { + switch (op->info->in.info_type) { case SMB2_GETINFO_FILE: - return smb2srv_getinfo_file(op, smb2_level); + return smb2srv_getinfo_file(op, op->info->in.info_class); case SMB2_GETINFO_FS: - return smb2srv_getinfo_fs(op, smb2_level); + return smb2srv_getinfo_fs(op, op->info->in.info_class); case SMB2_GETINFO_SECURITY: - return smb2srv_getinfo_security(op, smb2_level); + return smb2srv_getinfo_security(op, op->info->in.info_class); - case 0x04: + case SMB2_GETINFO_QUOTA: return NT_STATUS_NOT_SUPPORTED; } @@ -217,13 +213,15 @@ void smb2srv_getinfo_recv(struct smb2srv_request *req) op->send_fn = NULL; SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_getinfo_send, NTVFS_ASYNC_STATE_MAY_ASYNC); - info->in.level = SVAL(req->in.body, 0x02); - info->in.max_response_size = IVAL(req->in.body, 0x04); - info->in.unknown1 = IVAL(req->in.body, 0x08); - info->in.unknown2 = IVAL(req->in.body, 0x0C); - info->in.flags = IVAL(req->in.body, 0x10); - info->in.flags2 = IVAL(req->in.body, 0x14); + info->in.info_type = CVAL(req->in.body, 0x02); + info->in.info_class = CVAL(req->in.body, 0x03); + info->in.output_buffer_length = IVAL(req->in.body, 0x04); + info->in.reserved = IVAL(req->in.body, 0x0C); + info->in.additional_information = IVAL(req->in.body, 0x10); + info->in.getinfo_flags = IVAL(req->in.body, 0x14); info->in.file.ntvfs = smb2srv_pull_handle(req, req->in.body, 0x18); + SMB2SRV_CHECK(smb2_pull_o16As32_blob(&req->in, op, + req->in.body+0x08, &info->in.blob)); SMB2SRV_CHECK_FILE_HANDLE(info->in.file.ntvfs); SMB2SRV_CALL_NTVFS_BACKEND(smb2srv_getinfo_backend(op)); @@ -266,9 +264,14 @@ static NTSTATUS smb2srv_setinfo_file(struct smb2srv_setinfo_op *op, uint8_t smb2 io->generic.level = smb2_level + 1000; io->generic.in.file.ntvfs = op->info->in.file.ntvfs; + /* handle cases that don't map directly */ + if (io->generic.level == RAW_SFILEINFO_RENAME_INFORMATION) { + io->generic.level = RAW_SFILEINFO_RENAME_INFORMATION_SMB2; + } + status = smbsrv_pull_passthru_sfileinfo(io, io->generic.level, io, &op->info->in.blob, - STR_UNICODE, NULL); + STR_UNICODE, &op->req->in.bufinfo); NT_STATUS_NOT_OK_RETURN(status); return ntvfs_setfileinfo(op->req->ntvfs, io); diff --git a/source4/smb_server/smb2/fileio.c b/source4/smb_server/smb2/fileio.c index 0e83c78615..0e3df56b42 100644 --- a/source4/smb_server/smb2/fileio.c +++ b/source4/smb_server/smb2/fileio.c @@ -34,7 +34,8 @@ static void smb2srv_create_send(struct ntvfs_request *ntvfs) SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_open); SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x58, true, io->smb2.out.blob.length)); - SSVAL(req->out.body, 0x02, io->smb2.out.oplock_flags); + SCVAL(req->out.body, 0x02, io->smb2.out.oplock_level); + SCVAL(req->out.body, 0x03, io->smb2.out.reserved); SIVAL(req->out.body, 0x04, io->smb2.out.create_action); SBVAL(req->out.body, 0x08, io->smb2.out.create_time); SBVAL(req->out.body, 0x10, io->smb2.out.access_time); @@ -43,7 +44,7 @@ static void smb2srv_create_send(struct ntvfs_request *ntvfs) SBVAL(req->out.body, 0x28, io->smb2.out.alloc_size); SBVAL(req->out.body, 0x30, io->smb2.out.size); SIVAL(req->out.body, 0x38, io->smb2.out.file_attr); - SIVAL(req->out.body, 0x3C, io->smb2.out._pad); + SIVAL(req->out.body, 0x3C, io->smb2.out.reserved2); smb2srv_push_handle(req->out.body, 0x40, io->smb2.out.file.ntvfs); SMB2SRV_CHECK(smb2_push_o32s32_blob(&req->out, 0x50, io->smb2.out.blob)); @@ -64,22 +65,26 @@ void smb2srv_create_recv(struct smb2srv_request *req) SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_create_send, NTVFS_ASYNC_STATE_MAY_ASYNC); io->smb2.level = RAW_OPEN_SMB2; - io->smb2.in.oplock_flags = SVAL(req->in.body, 0x02); - io->smb2.in.impersonation = IVAL(req->in.body, 0x04); - io->smb2.in.unknown3[0] = IVAL(req->in.body, 0x08); - io->smb2.in.unknown3[1] = IVAL(req->in.body, 0x0C); - io->smb2.in.unknown3[2] = IVAL(req->in.body, 0x10); - io->smb2.in.unknown3[3] = IVAL(req->in.body, 0x14); - io->smb2.in.access_mask = IVAL(req->in.body, 0x18); - io->smb2.in.file_attr = IVAL(req->in.body, 0x1C); + io->smb2.in.security_flags = CVAL(req->in.body, 0x02); + io->smb2.in.oplock_level = CVAL(req->in.body, 0x03); + io->smb2.in.impersonation_level = IVAL(req->in.body, 0x04); + io->smb2.in.create_flags = BVAL(req->in.body, 0x08); + io->smb2.in.reserved = BVAL(req->in.body, 0x10); + io->smb2.in.desired_access = IVAL(req->in.body, 0x18); + io->smb2.in.file_attributes = IVAL(req->in.body, 0x1C); io->smb2.in.share_access = IVAL(req->in.body, 0x20); - io->smb2.in.open_disposition = IVAL(req->in.body, 0x24); + io->smb2.in.create_disposition = IVAL(req->in.body, 0x24); io->smb2.in.create_options = IVAL(req->in.body, 0x28); SMB2SRV_CHECK(smb2_pull_o16s16_string(&req->in, io, req->in.body+0x2C, &io->smb2.in.fname)); SMB2SRV_CHECK(smb2_pull_o32s32_blob(&req->in, io, req->in.body+0x30, &blob)); /* TODO: parse the blob */ ZERO_STRUCT(io->smb2.in.eas); + /* the VFS backend does not yet handle NULL filenames */ + if (io->smb2.in.fname == NULL) { + io->smb2.in.fname = ""; + } + SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, io)); } diff --git a/source4/smb_server/smb2/find.c b/source4/smb_server/smb2/find.c index c594adf7a0..6018f1958f 100644 --- a/source4/smb_server/smb2/find.c +++ b/source4/smb_server/smb2/find.c @@ -161,6 +161,11 @@ void smb2srv_find_recv(struct smb2srv_request *req) SMB2SRV_CHECK(smb2_pull_o16s16_string(&req->in, info, req->in.body+0x18, &info->in.pattern)); info->in.max_response_size = IVAL(req->in.body, 0x1C); + /* the VFS backend does not yet handle NULL patterns */ + if (info->in.pattern == NULL) { + info->in.pattern = ""; + } + SMB2SRV_CHECK_FILE_HANDLE(info->in.file.ntvfs); SMB2SRV_CALL_NTVFS_BACKEND(smb2srv_find_backend(state)); } diff --git a/source4/smb_server/smb2/negprot.c b/source4/smb_server/smb2/negprot.c index 8e3cfd3547..5bbd7f7d5e 100644 --- a/source4/smb_server/smb2/negprot.c +++ b/source4/smb_server/smb2/negprot.c @@ -21,6 +21,7 @@ #include "includes.h" #include "auth/credentials/credentials.h" #include "auth/gensec/gensec.h" +#include "libcli/raw/libcliraw.h" #include "libcli/smb2/smb2.h" #include "libcli/smb2/smb2_calls.h" #include "smb_server/smb_server.h" @@ -92,24 +93,33 @@ static NTSTATUS smb2srv_negprot_backend(struct smb2srv_request *req, struct smb2 struct timeval current_time; struct timeval boot_time; + /* we only do one dialect for now */ + if (io->in.dialect_count < 1) { + return NT_STATUS_NOT_SUPPORTED; + } + if (io->in.dialects[0] != 0 && + io->in.dialects[0] != SMB2_DIALECT_REVISION) { + DEBUG(0,("Got unexpected SMB2 dialect %u\n", io->in.dialects[0])); + return NT_STATUS_NOT_SUPPORTED; + } + req->smb_conn->negotiate.protocol = PROTOCOL_SMB2; current_time = timeval_current(); /* TODO: handle timezone?! */ boot_time = timeval_current(); /* TODO: fix me */ - io->out._pad = 0; - io->out.unknown2 = 0x06; - ZERO_STRUCT(io->out.sessid); - io->out.unknown3 = 0x0d; - io->out.unknown4 = 0x00; - io->out.unknown5 = 0x01; - io->out.unknown6 = 0x01; - io->out.unknown7 = 0x01; - io->out.current_time = timeval_to_nttime(¤t_time); - io->out.boot_time = timeval_to_nttime(&boot_time); + ZERO_STRUCT(io->out); + io->out.security_mode = 0; /* no signing yet */ + io->out.dialect_revision = SMB2_DIALECT_REVISION; + io->out.capabilities = 0; + io->out.max_transact_size = 0x10000; + io->out.max_read_size = 0x10000; + io->out.max_write_size = 0x10000; + io->out.system_time = timeval_to_nttime(¤t_time); + io->out.server_start_time = timeval_to_nttime(&boot_time); + io->out.reserved2 = 0; status = smb2srv_negprot_secblob(req, &io->out.secblob); NT_STATUS_NOT_OK_RETURN(status); - io->out.unknown9 = 0x204d4c20; return NT_STATUS_OK; } @@ -117,6 +127,7 @@ static NTSTATUS smb2srv_negprot_backend(struct smb2srv_request *req, struct smb2 static void smb2srv_negprot_send(struct smb2srv_request *req, struct smb2_negprot *io) { NTSTATUS status; + enum ndr_err_code ndr_err; if (NT_STATUS_IS_ERR(req->status)) { smb2srv_send_error(req, req->status); /* TODO: is this correct? */ @@ -130,16 +141,22 @@ static void smb2srv_negprot_send(struct smb2srv_request *req, struct smb2_negpro return; } - SSVAL(req->out.body, 0x02, io->out._pad); - SIVAL(req->out.body, 0x04, io->out.unknown2); - memcpy(req->out.body+0x08, io->out.sessid, 16); - SIVAL(req->out.body, 0x18, io->out.unknown3); - SSVAL(req->out.body, 0x1C, io->out.unknown4); - SIVAL(req->out.body, 0x1E, io->out.unknown5); - SIVAL(req->out.body, 0x22, io->out.unknown6); - SSVAL(req->out.body, 0x26, io->out.unknown7); - push_nttime(req->out.body, 0x28, io->out.current_time); - push_nttime(req->out.body, 0x30, io->out.boot_time); + SSVAL(req->out.body, 0x02, io->out.security_mode); + SIVAL(req->out.body, 0x04, io->out.dialect_revision); + SIVAL(req->out.body, 0x06, io->out.reserved); + ndr_err = smbcli_push_guid(req->out.body, 0x08, &io->out.server_guid); + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + smbsrv_terminate_connection(req->smb_conn, nt_errstr(status)); + talloc_free(req); + return; + } + SIVAL(req->out.body, 0x18, io->out.capabilities); + SIVAL(req->out.body, 0x1C, io->out.max_transact_size); + SIVAL(req->out.body, 0x20, io->out.max_read_size); + SIVAL(req->out.body, 0x24, io->out.max_write_size); + push_nttime(req->out.body, 0x28, io->out.system_time); + push_nttime(req->out.body, 0x30, io->out.server_start_time); + SIVAL(req->out.body, 0x3C, io->out.reserved2); status = smb2_push_o16s16_blob(&req->out, 0x38, io->out.secblob); if (!NT_STATUS_IS_OK(status)) { smbsrv_terminate_connection(req->smb_conn, nt_errstr(status)); @@ -147,14 +164,14 @@ static void smb2srv_negprot_send(struct smb2srv_request *req, struct smb2_negpro return; } - SIVAL(req->out.body, 0x3C, io->out.unknown9); - smb2srv_send_reply(req); } void smb2srv_negprot_recv(struct smb2srv_request *req) { struct smb2_negprot *io; + int i; + enum ndr_err_code ndr_err; if (req->in.body_size < 0x26) { smb2srv_send_error(req, NT_STATUS_FOOBAR); @@ -168,9 +185,27 @@ void smb2srv_negprot_recv(struct smb2srv_request *req) return; } - io->in.unknown1 = SVAL(req->in.body, 0x02); - memcpy(io->in.unknown2, req->in.body + 0x04, 0x20); - io->in.unknown3 = SVAL(req->in.body, 0x24); + io->in.dialect_count = SVAL(req->in.body, 0x02); + io->in.security_mode = SVAL(req->in.body, 0x04); + io->in.reserved = SVAL(req->in.body, 0x06); + io->in.capabilities = IVAL(req->in.body, 0x08); + ndr_err = smbcli_pull_guid(req->in.body, 0xC, &io->in.client_guid); + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + smbsrv_terminate_connection(req->smb_conn, nt_errstr(NT_STATUS_FOOBAR)); + talloc_free(req); + return; + } + io->in.start_time = smbcli_pull_nttime(req->in.body, 0x1C); + + io->in.dialects = talloc_array(req, uint16_t, io->in.dialect_count); + if (io->in.dialects == NULL) { + smbsrv_terminate_connection(req->smb_conn, nt_errstr(NT_STATUS_NO_MEMORY)); + talloc_free(req); + return; + } + for (i=0;i<io->in.dialect_count;i++) { + io->in.dialects[i] = SVAL(req->in.body, 0x24+i*2); + } req->status = smb2srv_negprot_backend(req, io); @@ -182,14 +217,13 @@ void smb2srv_negprot_recv(struct smb2srv_request *req) } /* - * reply to a SMB negprot request with dialect "SMB 2.001" + * reply to a SMB negprot request with dialect "SMB 2.002" */ void smb2srv_reply_smb_negprot(struct smbsrv_request *smb_req) { struct smb2srv_request *req; uint32_t body_fixed_size = 0x26; - /* create a fake SMB2 negprot request */ req = talloc_zero(smb_req->smb_conn, struct smb2srv_request); if (!req) goto nomem; req->smb_conn = smb_req->smb_conn; @@ -205,19 +239,21 @@ void smb2srv_reply_smb_negprot(struct smbsrv_request *smb_req) req->in.body_size = body_fixed_size; req->in.dynamic = NULL; + smb2srv_setup_bufinfo(req); + SIVAL(req->in.hdr, 0, SMB2_MAGIC); SSVAL(req->in.hdr, SMB2_HDR_LENGTH, SMB2_HDR_BODY); - SSVAL(req->in.hdr, SMB2_HDR_PAD1, 0); + SSVAL(req->in.hdr, SMB2_HDR_EPOCH, 0); SIVAL(req->in.hdr, SMB2_HDR_STATUS, 0); SSVAL(req->in.hdr, SMB2_HDR_OPCODE, SMB2_OP_NEGPROT); - SSVAL(req->in.hdr, SMB2_HDR_UNKNOWN1, 0); + SSVAL(req->in.hdr, SMB2_HDR_CREDIT, 0); SIVAL(req->in.hdr, SMB2_HDR_FLAGS, 0); - SIVAL(req->in.hdr, SMB2_HDR_CHAIN_OFFSET, 0); - SBVAL(req->in.hdr, SMB2_HDR_SEQNUM, 0); + SIVAL(req->in.hdr, SMB2_HDR_NEXT_COMMAND, 0); + SBVAL(req->in.hdr, SMB2_HDR_MESSAGE_ID, 0); SIVAL(req->in.hdr, SMB2_HDR_PID, 0); SIVAL(req->in.hdr, SMB2_HDR_TID, 0); - SBVAL(req->in.hdr, SMB2_HDR_UID, 0); - memset(req->in.hdr+SMB2_HDR_SIG, 0, 16); + SBVAL(req->in.hdr, SMB2_HDR_SESSION_ID, 0); + memset(req->in.hdr+SMB2_HDR_SIGNATURE, 0, 16); /* this seems to be a bug, they use 0x24 but the length is 0x26 */ SSVAL(req->in.body, 0x00, 0x24); diff --git a/source4/smb_server/smb2/receive.c b/source4/smb_server/smb2/receive.c index cfae2dbe52..dea7c9e79e 100644 --- a/source4/smb_server/smb2/receive.c +++ b/source4/smb_server/smb2/receive.c @@ -30,6 +30,22 @@ #include "ntvfs/ntvfs.h" #include "param/param.h" + +/* fill in the bufinfo */ +void smb2srv_setup_bufinfo(struct smb2srv_request *req) +{ + req->in.bufinfo.mem_ctx = req; + req->in.bufinfo.flags = BUFINFO_FLAG_UNICODE | BUFINFO_FLAG_SMB2; + req->in.bufinfo.align_base = req->in.buffer; + if (req->in.dynamic) { + req->in.bufinfo.data = req->in.dynamic; + req->in.bufinfo.data_size = req->in.body_size - req->in.body_fixed; + } else { + req->in.bufinfo.data = NULL; + req->in.bufinfo.data_size = 0; + } +} + static int smb2srv_request_destructor(struct smb2srv_request *req) { DLIST_REMOVE(req->smb_conn->requests2.list, req); @@ -94,17 +110,17 @@ NTSTATUS smb2srv_setup_reply(struct smb2srv_request *req, uint16_t body_fixed_si SIVAL(req->out.hdr, 0, SMB2_MAGIC); SSVAL(req->out.hdr, SMB2_HDR_LENGTH, SMB2_HDR_BODY); - SSVAL(req->out.hdr, SMB2_HDR_PAD1, 0); + SSVAL(req->out.hdr, SMB2_HDR_EPOCH, 0); SIVAL(req->out.hdr, SMB2_HDR_STATUS, NT_STATUS_V(req->status)); SSVAL(req->out.hdr, SMB2_HDR_OPCODE, SVAL(req->in.hdr, SMB2_HDR_OPCODE)); - SSVAL(req->out.hdr, SMB2_HDR_UNKNOWN1, 0x0001); + SSVAL(req->out.hdr, SMB2_HDR_CREDIT, 0x0001); SIVAL(req->out.hdr, SMB2_HDR_FLAGS, flags); - SIVAL(req->out.hdr, SMB2_HDR_CHAIN_OFFSET, 0); - SBVAL(req->out.hdr, SMB2_HDR_SEQNUM, req->seqnum); + SIVAL(req->out.hdr, SMB2_HDR_NEXT_COMMAND, 0); + SBVAL(req->out.hdr, SMB2_HDR_MESSAGE_ID, req->seqnum); SIVAL(req->out.hdr, SMB2_HDR_PID, pid); SIVAL(req->out.hdr, SMB2_HDR_TID, tid); - SBVAL(req->out.hdr, SMB2_HDR_UID, BVAL(req->in.hdr, SMB2_HDR_UID)); - memset(req->out.hdr+SMB2_HDR_SIG, 0, 16); + SBVAL(req->out.hdr, SMB2_HDR_SESSION_ID, BVAL(req->in.hdr, SMB2_HDR_SESSION_ID)); + memset(req->out.hdr+SMB2_HDR_SIGNATURE, 0, 16); /* set the length of the fixed body part and +1 if there's a dynamic part also */ SSVAL(req->out.body, 0, body_fixed_size + (body_dynamic_size?1:0)); @@ -180,6 +196,8 @@ static void smb2srv_chain_reply(struct smb2srv_request *p_req) } } + smb2srv_setup_bufinfo(req); + if (p_req->chained_file_handle) { memcpy(req->_chained_file_handle, p_req->_chained_file_handle, @@ -259,10 +277,10 @@ static NTSTATUS smb2srv_reply(struct smb2srv_request *req) uint64_t uid; opcode = SVAL(req->in.hdr, SMB2_HDR_OPCODE); - req->chain_offset = IVAL(req->in.hdr, SMB2_HDR_CHAIN_OFFSET); - req->seqnum = BVAL(req->in.hdr, SMB2_HDR_SEQNUM); + req->chain_offset = IVAL(req->in.hdr, SMB2_HDR_NEXT_COMMAND); + req->seqnum = BVAL(req->in.hdr, SMB2_HDR_MESSAGE_ID); tid = IVAL(req->in.hdr, SMB2_HDR_TID); - uid = BVAL(req->in.hdr, SMB2_HDR_UID); + uid = BVAL(req->in.hdr, SMB2_HDR_SESSION_ID); req->session = smbsrv_session_find(req->smb_conn, uid, req->request_time); req->tcon = smbsrv_smb2_tcon_find(req->session, tid, req->request_time); @@ -430,6 +448,8 @@ NTSTATUS smbsrv_recv_smb2_request(void *private, DATA_BLOB blob) } } + smb2srv_setup_bufinfo(req); + /* * TODO: - make sure the length field is 64 * - make sure it's a request diff --git a/source4/smb_server/smb2/sesssetup.c b/source4/smb_server/smb2/sesssetup.c index 636f5f0e27..1aaacf897c 100644 --- a/source4/smb_server/smb2/sesssetup.c +++ b/source4/smb_server/smb2/sesssetup.c @@ -32,12 +32,12 @@ static void smb2srv_sesssetup_send(struct smb2srv_request *req, union smb_sesssetup *io) { - uint16_t unknown1; + uint16_t credit; if (NT_STATUS_IS_OK(req->status)) { - unknown1 = 0x0003; + credit = 0x0003; } else if (NT_STATUS_EQUAL(req->status, NT_STATUS_MORE_PROCESSING_REQUIRED)) { - unknown1 = 0x0002; + credit = 0x0002; } else { smb2srv_send_error(req, req->status); return; @@ -45,10 +45,10 @@ static void smb2srv_sesssetup_send(struct smb2srv_request *req, union smb_sessse SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x08, true, io->smb2.out.secblob.length)); - SSVAL(req->out.hdr, SMB2_HDR_UNKNOWN1, unknown1); - SBVAL(req->out.hdr, SMB2_HDR_UID, io->smb2.out.uid); + SSVAL(req->out.hdr, SMB2_HDR_CREDIT, credit); + SBVAL(req->out.hdr, SMB2_HDR_SESSION_ID, io->smb2.out.uid); - SSVAL(req->out.body, 0x02, io->smb2.out._pad); + SSVAL(req->out.body, 0x02, io->smb2.out.session_flags); SMB2SRV_CHECK(smb2_push_o16s16_blob(&req->out, 0x04, io->smb2.out.secblob)); smb2srv_send_reply(req); @@ -108,11 +108,11 @@ static void smb2srv_sesssetup_backend(struct smb2srv_request *req, union smb_ses struct smbsrv_session *smb_sess = NULL; uint64_t vuid; - io->smb2.out._pad = 0; + io->smb2.out.session_flags = 0; io->smb2.out.uid = 0; io->smb2.out.secblob = data_blob(NULL, 0); - vuid = BVAL(req->in.hdr, SMB2_HDR_UID); + vuid = BVAL(req->in.hdr, SMB2_HDR_SESSION_ID); /* * only when we got '0' we should allocate a new session @@ -192,12 +192,13 @@ void smb2srv_sesssetup_recv(struct smb2srv_request *req) SMB2SRV_CHECK_BODY_SIZE(req, 0x18, true); SMB2SRV_TALLOC_IO_PTR(io, union smb_sesssetup); - io->smb2.level = RAW_SESSSETUP_SMB2; - io->smb2.in._pad = SVAL(req->in.body, 0x02); - io->smb2.in.unknown2 = IVAL(req->in.body, 0x04); - io->smb2.in.unknown3 = IVAL(req->in.body, 0x08); + io->smb2.level = RAW_SESSSETUP_SMB2; + io->smb2.in.vc_number = CVAL(req->in.body, 0x02); + io->smb2.in.security_mode = CVAL(req->in.body, 0x03); + io->smb2.in.capabilities = IVAL(req->in.body, 0x04); + io->smb2.in.channel = IVAL(req->in.body, 0x08); + io->smb2.in.previous_sessionid = BVAL(req->in.body, 0x10); SMB2SRV_CHECK(smb2_pull_o16s16_blob(&req->in, io, req->in.body+0x0C, &io->smb2.in.secblob)); - io->smb2.in.unknown4 = BVAL(req->in.body, 0x10); smb2srv_sesssetup_backend(req, io); } diff --git a/source4/smb_server/smb2/tcon.c b/source4/smb_server/smb2/tcon.c index 6d0d98554c..7f7d558b16 100644 --- a/source4/smb_server/smb2/tcon.c +++ b/source4/smb_server/smb2/tcon.c @@ -55,26 +55,28 @@ static NTSTATUS smb2srv_send_oplock_break(void *p, struct ntvfs_handle *h, uint8 req->seqnum = UINT64_MAX; + smb2srv_setup_bufinfo(req); + SIVAL(req->in.hdr, 0, SMB2_MAGIC); SSVAL(req->in.hdr, SMB2_HDR_LENGTH, SMB2_HDR_BODY); - SSVAL(req->in.hdr, SMB2_HDR_PAD1, 0); + SSVAL(req->in.hdr, SMB2_HDR_EPOCH, 0); SIVAL(req->in.hdr, SMB2_HDR_STATUS, 0); SSVAL(req->in.hdr, SMB2_HDR_OPCODE, SMB2_OP_BREAK); - SSVAL(req->in.hdr, SMB2_HDR_UNKNOWN1, 0); + SSVAL(req->in.hdr, SMB2_HDR_CREDIT, 0); SIVAL(req->in.hdr, SMB2_HDR_FLAGS, 0); - SIVAL(req->in.hdr, SMB2_HDR_CHAIN_OFFSET, 0); - SBVAL(req->in.hdr, SMB2_HDR_SEQNUM, 0); + SIVAL(req->in.hdr, SMB2_HDR_NEXT_COMMAND, 0); + SBVAL(req->in.hdr, SMB2_HDR_MESSAGE_ID, 0); SIVAL(req->in.hdr, SMB2_HDR_PID, 0); SIVAL(req->in.hdr, SMB2_HDR_TID, 0); - SBVAL(req->in.hdr, SMB2_HDR_UID, 0); - memset(req->in.hdr+SMB2_HDR_SIG, 0, 16); + SBVAL(req->in.hdr, SMB2_HDR_SESSION_ID, 0); + memset(req->in.hdr+SMB2_HDR_SIGNATURE, 0, 16); SSVAL(req->in.body, 0, 2); status = smb2srv_setup_reply(req, 0x18, false, 0); NT_STATUS_NOT_OK_RETURN(status); - SSVAL(req->out.hdr, SMB2_HDR_UNKNOWN1, 0x0000); + SSVAL(req->out.hdr, SMB2_HDR_CREDIT, 0x0000); SSVAL(req->out.body, 0x02, 0x0001); SIVAL(req->out.body, 0x04, 0x00000000); @@ -240,8 +242,6 @@ static NTSTATUS smb2srv_tcon_backend(struct smb2srv_request *req, union smb_tcon struct smbsrv_tcon *tcon; NTSTATUS status; enum ntvfs_type type; - uint16_t type_smb2; - uint32_t unknown2; const char *service = io->smb2.in.path; struct share_config *scfg; const char *sharetype; @@ -270,16 +270,10 @@ static NTSTATUS smb2srv_tcon_backend(struct smb2srv_request *req, union smb_tcon sharetype = share_string_option(scfg, SHARE_TYPE, "DISK"); if (sharetype && strcmp(sharetype, "IPC") == 0) { type = NTVFS_IPC; - type_smb2 = 0x0002; - unknown2 = 0x00000030; } else if (sharetype && strcmp(sharetype, "PRINTER") == 0) { type = NTVFS_PRINT; - type_smb2 = 0x0003; - unknown2 = 0x00000000; } else { type = NTVFS_DISK; - type_smb2 = 0x0001; - unknown2 = 0x00000800; } tcon = smbsrv_smb2_tcon_new(req->session, scfg->name); @@ -344,10 +338,11 @@ static NTSTATUS smb2srv_tcon_backend(struct smb2srv_request *req, union smb_tcon goto failed; } - io->smb2.out.unknown1 = type_smb2; /* 1 - DISK, 2 - Print, 3 - IPC */ - io->smb2.out.unknown2 = unknown2; - io->smb2.out.unknown3 = 0x00000000; - io->smb2.out.access_mask= SEC_RIGHTS_FILE_ALL; + io->smb2.out.share_type = (unsigned)type; /* 1 - DISK, 2 - Print, 3 - IPC */ + io->smb2.out.reserved = 0; + io->smb2.out.flags = 0x00000000; + io->smb2.out.capabilities = 0; + io->smb2.out.access_mask = SEC_RIGHTS_FILE_ALL; io->smb2.out.tid = tcon->tid; @@ -361,27 +356,28 @@ failed: static void smb2srv_tcon_send(struct smb2srv_request *req, union smb_tcon *io) { - uint16_t unknown1; + uint16_t credit; if (!NT_STATUS_IS_OK(req->status)) { smb2srv_send_error(req, req->status); return; } - if (io->smb2.out.unknown1 == 0x0002) { + if (io->smb2.out.share_type == NTVFS_IPC) { /* if it's an IPC share vista returns 0x0005 */ - unknown1 = 0x0005; + credit = 0x0005; } else { - unknown1 = 0x0001; + credit = 0x0001; } SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x10, false, 0)); SIVAL(req->out.hdr, SMB2_HDR_TID, io->smb2.out.tid); - SSVAL(req->out.hdr, SMB2_HDR_UNKNOWN1,unknown1); + SSVAL(req->out.hdr, SMB2_HDR_CREDIT,credit); - SSVAL(req->out.body, 0x02, io->smb2.out.unknown1); - SIVAL(req->out.body, 0x04, io->smb2.out.unknown2); - SIVAL(req->out.body, 0x08, io->smb2.out.unknown3); + SCVAL(req->out.body, 0x02, io->smb2.out.share_type); + SCVAL(req->out.body, 0x03, io->smb2.out.reserved); + SIVAL(req->out.body, 0x04, io->smb2.out.flags); + SIVAL(req->out.body, 0x08, io->smb2.out.capabilities); SIVAL(req->out.body, 0x0C, io->smb2.out.access_mask); smb2srv_send_reply(req); @@ -395,9 +391,14 @@ void smb2srv_tcon_recv(struct smb2srv_request *req) SMB2SRV_TALLOC_IO_PTR(io, union smb_tcon); io->smb2.level = RAW_TCON_SMB2; - io->smb2.in.unknown1 = SVAL(req->in.body, 0x02); + io->smb2.in.reserved = SVAL(req->in.body, 0x02); SMB2SRV_CHECK(smb2_pull_o16s16_string(&req->in, io, req->in.body+0x04, &io->smb2.in.path)); + /* the VFS backend does not yet handle NULL paths */ + if (io->smb2.in.path == NULL) { + io->smb2.in.path = ""; + } + req->status = smb2srv_tcon_backend(req, io); if (req->control_flags & SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY) { diff --git a/source4/smb_server/smb_server.h b/source4/smb_server/smb_server.h index 5644dfe6fb..776fe1b71b 100644 --- a/source4/smb_server/smb_server.h +++ b/source4/smb_server/smb_server.h @@ -254,8 +254,8 @@ struct smbsrv_request { /* the sequence number for signing */ uint64_t seq_num; - struct request_buffer in; - struct request_buffer out; + struct smb_request_buffer in; + struct smb_request_buffer out; }; enum security_types {SEC_SHARE,SEC_USER}; @@ -291,7 +291,7 @@ struct smbsrv_connection { /* the negotiatiated protocol */ enum protocol_types protocol; - + /* authentication context for multi-part negprot */ struct auth_context *auth_context; |