/* Unix SMB/CIFS implementation. SMB2 client getinfo calls Copyright (C) Andrew Tridgell 2005 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "libcli/raw/libcliraw.h" #include "libcli/smb2/smb2.h" #include "libcli/smb2/smb2_calls.h" /* send a getinfo request */ struct smb2_request *smb2_getinfo_send(struct smb2_tree *tree, struct smb2_getinfo *io) { struct smb2_request *req; req = smb2_request_init_tree(tree, SMB2_OP_GETINFO, 0x28, false, 0); if (req == NULL) return NULL; /* this seems to be a bug, they use 0x29 but only send 0x28 bytes */ SSVAL(req->out.body, 0x00, 0x29); SSVAL(req->out.body, 0x02, io->in.level); SIVAL(req->out.body, 0x04, io->in.max_response_size); SIVAL(req->out.body, 0x08, io->in.unknown1); SIVAL(req->out.body, 0x0C, io->in.unknown2); SIVAL(req->out.body, 0x10, io->in.flags); SIVAL(req->out.body, 0x14, io->in.flags2); smb2_push_handle(req->out.body+0x18, &io->in.file.handle); smb2_transport_send(req); return req; } /* recv a getinfo reply */ NTSTATUS smb2_getinfo_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, struct smb2_getinfo *io) { NTSTATUS status; if (!smb2_request_receive(req) || smb2_request_is_error(req)) { return smb2_request_destroy(req); } SMB2_CHECK_PACKET_RECV(req, 0x08, true); status = smb2_pull_o16s16_blob(&req->in, mem_ctx, req->in.body+0x02, &io->out.blob); if (!NT_STATUS_IS_OK(status)) { return status; } return smb2_request_destroy(req); } /* sync getinfo request */ NTSTATUS smb2_getinfo(struct smb2_tree *tree, TALLOC_CTX *mem_ctx, struct smb2_getinfo *io) { struct smb2_request *req = smb2_getinfo_send(tree, io); return smb2_getinfo_recv(req, mem_ctx, io); } /* map a generic info level to a SMB2 info level */ uint16_t smb2_getinfo_map_level(uint16_t level, uint8_t class) { if (class == SMB2_GETINFO_FILE && level == RAW_FILEINFO_SEC_DESC) { return SMB2_GETINFO_SECURITY; } if ((level & 0xFF) == class) { return level; } else if (level > 1000) { return ((level-1000)<<8) | class; } DEBUG(0,("Unable to map SMB2 info level 0x%04x of class %d\n", level, class)); return 0; } /* level specific getinfo call - async send */ struct smb2_request *smb2_getinfo_file_send(struct smb2_tree *tree, union smb_fileinfo *io) { struct smb2_getinfo b; uint16_t smb2_level = smb2_getinfo_map_level(io->generic.level, SMB2_GETINFO_FILE); if (smb2_level == 0) { return NULL; } ZERO_STRUCT(b); b.in.max_response_size = 0x10000; b.in.file.handle = io->generic.in.file.handle; b.in.level = smb2_level; if (io->generic.level == RAW_FILEINFO_SEC_DESC) { b.in.flags = io->query_secdesc.in.secinfo_flags; } if (io->generic.level == RAW_FILEINFO_SMB2_ALL_EAS) { b.in.flags2 = io->all_eas.in.continue_flags; } return smb2_getinfo_send(tree, &b); } /* recv a getinfo reply and parse the level info */ NTSTATUS smb2_getinfo_file_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, union smb_fileinfo *io) { struct smb2_getinfo b; NTSTATUS status; status = smb2_getinfo_recv(req, mem_ctx, &b); NT_STATUS_NOT_OK_RETURN(status); status = smb_raw_fileinfo_passthru_parse(&b.out.blob, mem_ctx, io->generic.level, io); data_blob_free(&b.out.blob); return status; } /* level specific getinfo call */ NTSTATUS smb2_getinfo_file(struct smb2_tree *tree, TALLOC_CTX *mem_ctx, union smb_fileinfo *io) { struct smb2_request *req = smb2_getinfo_file_send(tree, io); return smb2_getinfo_file_recv(req, mem_ctx, io); } /* level specific getinfo call - async send */ struct smb2_request *smb2_getinfo_fs_send(struct smb2_tree *tree, union smb_fsinfo *io) { struct smb2_getinfo b; uint16_t smb2_level = smb2_getinfo_map_level(io->generic.level, SMB2_GETINFO_FS); if (smb2_level == 0) { return NULL; } ZERO_STRUCT(b); b.in.max_response_size = 0x10000; b.in.file.handle = io->generic.handle; b.in.level = smb2_level; return smb2_getinfo_send(tree, &b); } /* recv a getinfo reply and parse the level info */ NTSTATUS smb2_getinfo_fs_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, union smb_fsinfo *io) { struct smb2_getinfo b; NTSTATUS status; status = smb2_getinfo_recv(req, mem_ctx, &b); NT_STATUS_NOT_OK_RETURN(status); status = smb_raw_fsinfo_passthru_parse(b.out.blob, mem_ctx, io->generic.level, io); data_blob_free(&b.out.blob); return status; } /* level specific getinfo call */ NTSTATUS smb2_getinfo_fs(struct smb2_tree *tree, TALLOC_CTX *mem_ctx, union smb_fsinfo *io) { struct smb2_request *req = smb2_getinfo_fs_send(tree, io); return smb2_getinfo_fs_recv(req, mem_ctx, io); }