/* Unix SMB/CIFS implementation. client file operations Copyright (C) Andrew Tridgell 1994-1998 Copyright (C) Jeremy Allison 2001-2002 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" /**************************************************************************** Hard/Symlink a file (UNIX extensions). Creates new name (sym)linked to oldname. ****************************************************************************/ static BOOL cli_link_internal(struct cli_state *cli, const char *oldname, const char *newname, BOOL hard_link) { unsigned int data_len = 0; unsigned int param_len = 0; uint16 setup = TRANSACT2_SETPATHINFO; char param[sizeof(pstring)+6]; pstring data; char *rparam=NULL, *rdata=NULL; char *p; size_t oldlen = 2*(strlen(oldname)+1); size_t newlen = 2*(strlen(newname)+1); memset(param, 0, sizeof(param)); SSVAL(param,0,hard_link ? SMB_SET_FILE_UNIX_HLINK : SMB_SET_FILE_UNIX_LINK); p = ¶m[6]; p += clistr_push(cli, p, newname, MIN(newlen, sizeof(param)-6), STR_TERMINATE); param_len = PTR_DIFF(p, param); p = data; p += clistr_push(cli, p, oldname, MIN(oldlen,sizeof(data)), STR_TERMINATE); data_len = PTR_DIFF(p, data); if (!cli_send_trans(cli, SMBtrans2, NULL, /* name */ -1, 0, /* fid, flags */ &setup, 1, 0, /* setup, length, max */ param, param_len, 2, /* param, length, max */ (char *)&data, data_len, cli->max_xmit /* data, length, max */ )) { return False; } if (!cli_receive_trans(cli, SMBtrans2, &rparam, ¶m_len, &rdata, &data_len)) { return False; } SAFE_FREE(rdata); SAFE_FREE(rparam); return True; } /**************************************************************************** Map standard UNIX permissions onto wire representations. ****************************************************************************/ uint32 unix_perms_to_wire(mode_t perms) { unsigned int ret = 0; ret |= ((perms & S_IXOTH) ? UNIX_X_OTH : 0); ret |= ((perms & S_IWOTH) ? UNIX_W_OTH : 0); ret |= ((perms & S_IROTH) ? UNIX_R_OTH : 0); ret |= ((perms & S_IXGRP) ? UNIX_X_GRP : 0); ret |= ((perms & S_IWGRP) ? UNIX_W_GRP : 0); ret |= ((perms & S_IRGRP) ? UNIX_R_GRP : 0); ret |= ((perms & S_IXUSR) ? UNIX_X_USR : 0); ret |= ((perms & S_IWUSR) ? UNIX_W_USR : 0); ret |= ((perms & S_IRUSR) ? UNIX_R_USR : 0); #ifdef S_ISVTX ret |= ((perms & S_ISVTX) ? UNIX_STICKY : 0); #endif #ifdef S_ISGID ret |= ((perms & S_ISGID) ? UNIX_SET_GID : 0); #endif #ifdef S_ISUID ret |= ((perms & S_ISUID) ? UNIX_SET_UID : 0); #endif return ret; } /**************************************************************************** Map wire permissions to standard UNIX. ****************************************************************************/ mode_t wire_perms_to_unix(uint32 perms) { mode_t ret = (mode_t)0; ret |= ((perms & UNIX_X_OTH) ? S_IXOTH : 0); ret |= ((perms & UNIX_W_OTH) ? S_IWOTH : 0); ret |= ((perms & UNIX_R_OTH) ? S_IROTH : 0); ret |= ((perms & UNIX_X_GRP) ? S_IXGRP : 0); ret |= ((perms & UNIX_W_GRP) ? S_IWGRP : 0); ret |= ((perms & UNIX_R_GRP) ? S_IRGRP : 0); ret |= ((perms & UNIX_X_USR) ? S_IXUSR : 0); ret |= ((perms & UNIX_W_USR) ? S_IWUSR : 0); ret |= ((perms & UNIX_R_USR) ? S_IRUSR : 0); #ifdef S_ISVTX ret |= ((perms & UNIX_STICKY) ? S_ISVTX : 0); #endif #ifdef S_ISGID ret |= ((perms & UNIX_SET_GID) ? S_ISGID : 0); #endif #ifdef S_ISUID ret |= ((perms & UNIX_SET_UID) ? S_ISUID : 0); #endif return ret; } /**************************************************************************** Return the file type from the wire filetype for UNIX extensions. ****************************************************************************/ static mode_t unix_filetype_from_wire(uint32 wire_type) { switch (wire_type) { case UNIX_TYPE_FILE: return S_IFREG; case UNIX_TYPE_DIR: return S_IFDIR; #ifdef S_IFLNK case UNIX_TYPE_SYMLINK: return S_IFLNK; #endif #ifdef S_IFCHR case UNIX_TYPE_CHARDEV: return S_IFCHR; #endif #ifdef S_IFBLK case UNIX_TYPE_BLKDEV: return S_IFBLK; #endif #ifdef S_IFIFO case UNIX_TYPE_FIFO: return S_IFIFO; #endif #ifdef S_IFSOCK case UNIX_TYPE_SOCKET: return S_IFSOCK; #endif default: return (mode_t)0; } } /**************************************************************************** Do a POSIX getfacl (UNIX extensions). ****************************************************************************/ BOOL cli_unix_getfacl(struct cli_state *cli, const char *name, size_t *prb_size, char **retbuf) { unsigned int param_len = 0; unsigned int data_len = 0; uint16 setup = TRANSACT2_QPATHINFO; char param[sizeof(pstring)+6]; char *rparam=NULL, *rdata=NULL; char *p; p = param; memset(p, 0, 6); SSVAL(p, 0, SMB_QUERY_POSIX_ACL); p += 6; p += clistr_push(cli, p, name, sizeof(pstring)-6, STR_TERMINATE); param_len = PTR_DIFF(p, param); if (!cli_send_trans(cli, SMBtrans2, NULL, /* name */ -1, 0, /* fid, flags */ &setup, 1, 0, /* setup, length, max */ param, param_len, 2, /* param, length, max */ NULL, 0, cli->max_xmit /* data, length, max */ )) { return False; } if (!cli_receive_trans(cli, SMBtrans2, &rparam, ¶m_len, &rdata, &data_len)) { return False; } if (data_len < 6) { SAFE_FREE(rdata); SAFE_FREE(rparam); return False; } SAFE_FREE(rparam); *retbuf = rdata; *prb_size = (size_t)data_len; return True; } /**************************************************************************** Stat a file (UNIX extensions). ****************************************************************************/ BOOL cli_unix_stat(struct cli_state *cli, const char *name, SMB_STRUCT_STAT *sbuf) { unsigned int param_len = 0; unsigned int data_len = 0; uint16 setup = TRANSACT2_QPATHINFO; char param[sizeof(pstring)+6]; char *rparam=NULL, *rdata=NULL; char *p; ZERO_STRUCTP(sbuf); p = param; memset(p, 0, 6); SSVAL(p, 0, SMB_QUERY_FILE_UNIX_BASIC); p += 6; p += clistr_push(cli, p, name, sizeof(pstring)-6, STR_TERMINATE); param_len = PTR_DIFF(p, param); if (!cli_send_trans(cli, SMBtrans2, NULL, /* name */ -1, 0, /* fid, flags */ &setup, 1, 0, /* setup, length, max */ param, param_len, 2, /* param, length, max */ NULL, 0, cli->max_xmit /* data, length, max */ )) { return False; } if (!cli_receive_trans(cli, SMBtrans2, &rparam, ¶m_len, &rdata, &data_len)) { return False; } if (data_len < 96) { SAFE_FREE(rdata); SAFE_FREE(rparam); return False; } sbuf->st_size = IVAL2_TO_SMB_BIG_UINT(rdata,0); /* total size, in bytes */ sbuf->st_blocks = IVAL2_TO_SMB_BIG_UINT(rdata,8); /* number of blocks allocated */ #if defined (HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE) sbuf->st_blocks /= STAT_ST_BLOCKSIZE; #else /* assume 512 byte blocks */ sbuf->st_blocks /= 512; #endif set_ctimespec(sbuf, interpret_long_date(rdata + 16)); /* time of last change */ set_atimespec(sbuf, interpret_long_date(rdata + 24)); /* time of last access */ set_mtimespec(sbuf, interpret_long_date(rdata + 32)); /* time of last modification */ sbuf->st_uid = (uid_t) IVAL(rdata,40); /* user ID of owner */ sbuf->st_gid = (gid_t) IVAL(rdata,48); /* group ID of owner */ sbuf->st_mode |= unix_filetype_from_wire(IVAL(rdata, 56)); #if defined(HAVE_MAKEDEV) { uint32 dev_major = IVAL(rdata,60); uint32 dev_minor = IVAL(rdata,68); sbuf->st_rdev = makedev(dev_major, dev_minor); } #endif sbuf->st_ino = (SMB_INO_T)IVAL2_TO_SMB_BIG_UINT(rdata,76); /* inode */ sbuf->st_mode |= wire_perms_to_unix(IVAL(rdata,84)); /* protection */ sbuf->st_nlink = IVAL(rdata,92); /* number of hard links */ SAFE_FREE(rdata); SAFE_FREE(rparam); return True; } /**************************************************************************** Symlink a file (UNIX extensions). ****************************************************************************/ BOOL cli_unix_symlink(struct cli_state *cli, const char *oldname, const char *newname) { return cli_link_internal(cli, oldname, newname, False); } /**************************************************************************** Hard a file (UNIX extensions). ****************************************************************************/ BOOL cli_unix_hardlink(struct cli_state *cli, const char *oldname, const char *newname) { return cli_link_internal(cli, oldname, newname, True); } /**************************************************************************** Chmod or chown a file internal (UNIX extensions). ****************************************************************************/ static BOOL cli_unix_chmod_chown_internal(struct cli_state *cli, const char *fname, uint32 mode, uint32 uid, uint32 gid) { unsigned int data_len = 0; unsigned int param_len = 0; uint16 setup = TRANSACT2_SETPATHINFO; char param[sizeof(pstring)+6]; char data[100]; char *rparam=NULL, *rdata=NULL; char *p; memset(param, 0, sizeof(param)); memset(data, 0, sizeof(data)); SSVAL(param,0,SMB_SET_FILE_UNIX_BASIC); p = ¶m[6]; p += clistr_push(cli, p, fname, -1, STR_TERMINATE); param_len = PTR_DIFF(p, param); memset(data, 0xff, 40); /* Set all sizes/times to no change. */ SIVAL(data,40,uid); SIVAL(data,48,gid); SIVAL(data,84,mode); data_len = 100; if (!cli_send_trans(cli, SMBtrans2, NULL, /* name */ -1, 0, /* fid, flags */ &setup, 1, 0, /* setup, length, max */ param, param_len, 2, /* param, length, max */ (char *)&data, data_len, cli->max_xmit /* data, length, max */ )) { return False; } if (!cli_receive_trans(cli, SMBtrans2, &rparam, ¶m_len, &rdata, &data_len)) { return False; } SAFE_FREE(rdata); SAFE_FREE(rparam); return True; } /**************************************************************************** chmod a file (UNIX extensions). ****************************************************************************/ BOOL cli_unix_chmod(struct cli_state *cli, const char *fname, mode_t mode) { return cli_unix_chmod_chown_internal(cli, fname, unix_perms_to_wire(mode), SMB_UID_NO_CHANGE, SMB_GID_NO_CHANGE); } /**************************************************************************** chown a file (UNIX extensions). ****************************************************************************/ BOOL cli_unix_chown(struct cli_state *cli, const char *fname, uid_t uid, gid_t gid) { return cli_unix_chmod_chown_internal(cli, fname, SMB_MODE_NO_CHANGE, (uint32)uid, (uint32)gid); } /**************************************************************************** Rename a file. ****************************************************************************/ BOOL cli_rename(struct cli_state *cli, const char *fname_src, const char *fname_dst) { char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,1, 0, True); SCVAL(cli->outbuf,smb_com,SMBmv); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR); p = smb_buf(cli->outbuf); *p++ = 4; p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE); *p++ = 4; p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) return False; if (cli_is_error(cli)) return False; return True; } /**************************************************************************** NT Rename a file. ****************************************************************************/ BOOL cli_ntrename(struct cli_state *cli, const char *fname_src, const char *fname_dst) { char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf, 4, 0, True); SCVAL(cli->outbuf,smb_com,SMBntrename); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR); SSVAL(cli->outbuf,smb_vwv1, RENAME_FLAG_RENAME); p = smb_buf(cli->outbuf); *p++ = 4; p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE); *p++ = 4; p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) return False; if (cli_is_error(cli)) return False; return True; } /**************************************************************************** NT hardlink a file. ****************************************************************************/ BOOL cli_nt_hardlink(struct cli_state *cli, const char *fname_src, const char *fname_dst) { char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf, 4, 0, True); SCVAL(cli->outbuf,smb_com,SMBntrename); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR); SSVAL(cli->outbuf,smb_vwv1, RENAME_FLAG_HARD_LINK); p = smb_buf(cli->outbuf); *p++ = 4; p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE); *p++ = 4; p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) return False; if (cli_is_error(cli)) return False; return True; } /**************************************************************************** Delete a file. ****************************************************************************/ BOOL cli_unlink_full(struct cli_state *cli, const char *fname, uint16 attrs) { char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,1, 0,True); SCVAL(cli->outbuf,smb_com,SMBunlink); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0, attrs); p = smb_buf(cli->outbuf); *p++ = 4; p += clistr_push(cli, p, fname, -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } if (cli_is_error(cli)) { return False; } return True; } /**************************************************************************** Delete a file. ****************************************************************************/ BOOL cli_unlink(struct cli_state *cli, const char *fname) { return cli_unlink_full(cli, fname, aSYSTEM | aHIDDEN); } /**************************************************************************** Create a directory. ****************************************************************************/ BOOL cli_mkdir(struct cli_state *cli, const char *dname) { char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,0, 0,True); SCVAL(cli->outbuf,smb_com,SMBmkdir); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); p = smb_buf(cli->outbuf); *p++ = 4; p += clistr_push(cli, p, dname, -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } if (cli_is_error(cli)) { return False; } return True; } /**************************************************************************** Remove a directory. ****************************************************************************/ BOOL cli_rmdir(struct cli_state *cli, const char *dname) { char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,0, 0, True); SCVAL(cli->outbuf,smb_com,SMBrmdir); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); p = smb_buf(cli->outbuf); *p++ = 4; p += clistr_push(cli, p, dname, -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } if (cli_is_error(cli)) { return False; } return True; } /**************************************************************************** Set or clear the delete on close flag. ****************************************************************************/ int cli_nt_delete_on_close(struct cli_state *cli, int fnum, BOOL flag) { unsigned int data_len = 1; unsigned int param_len = 6; uint16 setup = TRANSACT2_SETFILEINFO; pstring param; unsigned char data; char *rparam=NULL, *rdata=NULL; memset(param, 0, param_len); SSVAL(param,0,fnum); SSVAL(param,2,SMB_SET_FILE_DISPOSITION_INFO); data = flag ? 1 : 0; if (!cli_send_trans(cli, SMBtrans2, NULL, /* name */ -1, 0, /* fid, flags */ &setup, 1, 0, /* setup, length, max */ param, param_len, 2, /* param, length, max */ (char *)&data, data_len, cli->max_xmit /* data, length, max */ )) { return False; } if (!cli_receive_trans(cli, SMBtrans2, &rparam, ¶m_len, &rdata, &data_len)) { return False; } SAFE_FREE(rdata); SAFE_FREE(rparam); return True; } /**************************************************************************** Open a file - exposing the full horror of the NT API :-). Used in smbtorture. ****************************************************************************/ int cli_nt_create_full(struct cli_state *cli, const char *fname, uint32 CreatFlags, uint32 DesiredAccess, uint32 FileAttributes, uint32 ShareAccess, uint32 CreateDisposition, uint32 CreateOptions, uint8 SecuityFlags) { char *p; int len; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,24,0,True); SCVAL(cli->outbuf,smb_com,SMBntcreateX); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0,0xFF); if (cli->use_oplocks) CreatFlags |= (REQUEST_OPLOCK|REQUEST_BATCH_OPLOCK); SIVAL(cli->outbuf,smb_ntcreate_Flags, CreatFlags); SIVAL(cli->outbuf,smb_ntcreate_RootDirectoryFid, 0x0); SIVAL(cli->outbuf,smb_ntcreate_DesiredAccess, DesiredAccess); SIVAL(cli->outbuf,smb_ntcreate_FileAttributes, FileAttributes); SIVAL(cli->outbuf,smb_ntcreate_ShareAccess, ShareAccess); SIVAL(cli->outbuf,smb_ntcreate_CreateDisposition, CreateDisposition); SIVAL(cli->outbuf,smb_ntcreate_CreateOptions, CreateOptions); SIVAL(cli->outbuf,smb_ntcreate_ImpersonationLevel, 0x02); SCVAL(cli->outbuf,smb_ntcreate_SecurityFlags, SecuityFlags); p = smb_buf(cli->outbuf); /* this alignment and termination is critical for netapp filers. Don't change */ p += clistr_align_out(cli, p, 0); len = clistr_push(cli, p, fname, -1, 0); p += len; SSVAL(cli->outbuf,smb_ntcreate_NameLength, len); /* sigh. this copes with broken netapp filer behaviour */ p += clistr_push(cli, p, "", -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return -1; } if (cli_is_error(cli)) { return -1; } return SVAL(cli->inbuf,smb_vwv2 + 1); } /**************************************************************************** Open a file. ****************************************************************************/ int cli_nt_create(struct cli_state *cli, const char *fname, uint32 DesiredAccess) { return cli_nt_create_full(cli, fname, 0, DesiredAccess, 0, FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN, 0x0, 0x0); } /**************************************************************************** Open a file WARNING: if you open with O_WRONLY then getattrE won't work! ****************************************************************************/ int cli_open(struct cli_state *cli, const char *fname, int flags, int share_mode) { char *p; unsigned openfn=0; unsigned accessmode=0; if (flags & O_CREAT) openfn |= (1<<4); if (!(flags & O_EXCL)) { if (flags & O_TRUNC) openfn |= (1<<1); else openfn |= (1<<0); } accessmode = (share_mode<<4); if ((flags & O_ACCMODE) == O_RDWR) { accessmode |= 2; } else if ((flags & O_ACCMODE) == O_WRONLY) { accessmode |= 1; } #if defined(O_SYNC) if ((flags & O_SYNC) == O_SYNC) { accessmode |= (1<<14); } #endif /* O_SYNC */ if (share_mode == DENY_FCB) { accessmode = 0xFF; } memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,15,0,True); SCVAL(cli->outbuf,smb_com,SMBopenX); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0,0xFF); SSVAL(cli->outbuf,smb_vwv2,0); /* no additional info */ SSVAL(cli->outbuf,smb_vwv3,accessmode); SSVAL(cli->outbuf,smb_vwv4,aSYSTEM | aHIDDEN); SSVAL(cli->outbuf,smb_vwv5,0); SSVAL(cli->outbuf,smb_vwv8,openfn); if (cli->use_oplocks) { /* if using oplocks then ask for a batch oplock via core and extended methods */ SCVAL(cli->outbuf,smb_flg, CVAL(cli->outbuf,smb_flg)| FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK); SSVAL(cli->outbuf,smb_vwv2,SVAL(cli->outbuf,smb_vwv2) | 6); } p = smb_buf(cli->outbuf); p += clistr_push(cli, p, fname, -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return -1; } if (cli_is_error(cli)) { return -1; } return SVAL(cli->inbuf,smb_vwv2); } /**************************************************************************** Close a file. ****************************************************************************/ BOOL cli_close(struct cli_state *cli, int fnum) { memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,3,0,True); SCVAL(cli->outbuf,smb_com,SMBclose); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0,fnum); SIVALS(cli->outbuf,smb_vwv1,-1); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } return !cli_is_error(cli); } /**************************************************************************** send a lock with a specified locktype this is used for testing LOCKING_ANDX_CANCEL_LOCK ****************************************************************************/ NTSTATUS cli_locktype(struct cli_state *cli, int fnum, uint32 offset, uint32 len, int timeout, unsigned char locktype) { char *p; int saved_timeout = cli->timeout; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0', smb_size); set_message(NULL,cli->outbuf,8,0,True); SCVAL(cli->outbuf,smb_com,SMBlockingX); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SCVAL(cli->outbuf,smb_vwv0,0xFF); SSVAL(cli->outbuf,smb_vwv2,fnum); SCVAL(cli->outbuf,smb_vwv3,locktype); SIVALS(cli->outbuf, smb_vwv4, timeout); SSVAL(cli->outbuf,smb_vwv6,0); SSVAL(cli->outbuf,smb_vwv7,1); p = smb_buf(cli->outbuf); SSVAL(p, 0, cli->pid); SIVAL(p, 2, offset); SIVAL(p, 6, len); p += 10; cli_setup_bcc(cli, p); cli_send_smb(cli); if (timeout != 0) { cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 2*1000); } if (!cli_receive_smb(cli)) { cli->timeout = saved_timeout; return NT_STATUS_UNSUCCESSFUL; } cli->timeout = saved_timeout; return cli_nt_error(cli); } /**************************************************************************** Lock a file. note that timeout is in units of 2 milliseconds ****************************************************************************/ BOOL cli_lock(struct cli_state *cli, int fnum, uint32 offset, uint32 len, int timeout, enum brl_type lock_type) { char *p; int saved_timeout = cli->timeout; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0', smb_size); set_message(NULL,cli->outbuf,8,0,True); SCVAL(cli->outbuf,smb_com,SMBlockingX); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SCVAL(cli->outbuf,smb_vwv0,0xFF); SSVAL(cli->outbuf,smb_vwv2,fnum); SCVAL(cli->outbuf,smb_vwv3,(lock_type == READ_LOCK? 1 : 0)); SIVALS(cli->outbuf, smb_vwv4, timeout); SSVAL(cli->outbuf,smb_vwv6,0); SSVAL(cli->outbuf,smb_vwv7,1); p = smb_buf(cli->outbuf); SSVAL(p, 0, cli->pid); SIVAL(p, 2, offset); SIVAL(p, 6, len); p += 10; cli_setup_bcc(cli, p); cli_send_smb(cli); if (timeout != 0) { cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout*2 + 5*1000); } if (!cli_receive_smb(cli)) { cli->timeout = saved_timeout; return False; } cli->timeout = saved_timeout; if (cli_is_error(cli)) { return False; } return True; } /**************************************************************************** Unlock a file. ****************************************************************************/ BOOL cli_unlock(struct cli_state *cli, int fnum, uint32 offset, uint32 len) { char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,8,0,True); SCVAL(cli->outbuf,smb_com,SMBlockingX); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SCVAL(cli->outbuf,smb_vwv0,0xFF); SSVAL(cli->outbuf,smb_vwv2,fnum); SCVAL(cli->outbuf,smb_vwv3,0); SIVALS(cli->outbuf, smb_vwv4, 0); SSVAL(cli->outbuf,smb_vwv6,1); SSVAL(cli->outbuf,smb_vwv7,0); p = smb_buf(cli->outbuf); SSVAL(p, 0, cli->pid); SIVAL(p, 2, offset); SIVAL(p, 6, len); p += 10; cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } if (cli_is_error(cli)) { return False; } return True; } /**************************************************************************** Lock a file with 64 bit offsets. ****************************************************************************/ BOOL cli_lock64(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len, int timeout, enum brl_type lock_type) { char *p; int saved_timeout = cli->timeout; int ltype; if (! (cli->capabilities & CAP_LARGE_FILES)) { return cli_lock(cli, fnum, offset, len, timeout, lock_type); } ltype = (lock_type == READ_LOCK? 1 : 0); ltype |= LOCKING_ANDX_LARGE_FILES; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0', smb_size); set_message(NULL,cli->outbuf,8,0,True); SCVAL(cli->outbuf,smb_com,SMBlockingX); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SCVAL(cli->outbuf,smb_vwv0,0xFF); SSVAL(cli->outbuf,smb_vwv2,fnum); SCVAL(cli->outbuf,smb_vwv3,ltype); SIVALS(cli->outbuf, smb_vwv4, timeout); SSVAL(cli->outbuf,smb_vwv6,0); SSVAL(cli->outbuf,smb_vwv7,1); p = smb_buf(cli->outbuf); SIVAL(p, 0, cli->pid); SOFF_T_R(p, 4, offset); SOFF_T_R(p, 12, len); p += 20; cli_setup_bcc(cli, p); cli_send_smb(cli); if (timeout != 0) { cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 5*1000); } if (!cli_receive_smb(cli)) { cli->timeout = saved_timeout; return False; } cli->timeout = saved_timeout; if (cli_is_error(cli)) { return False; } return True; } /**************************************************************************** Unlock a file with 64 bit offsets. ****************************************************************************/ BOOL cli_unlock64(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len) { char *p; if (! (cli->capabilities & CAP_LARGE_FILES)) { return cli_unlock(cli, fnum, offset, len); } memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,8,0,True); SCVAL(cli->outbuf,smb_com,SMBlockingX); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SCVAL(cli->outbuf,smb_vwv0,0xFF); SSVAL(cli->outbuf,smb_vwv2,fnum); SCVAL(cli->outbuf,smb_vwv3,LOCKING_ANDX_LARGE_FILES); SIVALS(cli->outbuf, smb_vwv4, 0); SSVAL(cli->outbuf,smb_vwv6,1); SSVAL(cli->outbuf,smb_vwv7,0); p = smb_buf(cli->outbuf); SIVAL(p, 0, cli->pid); SOFF_T_R(p, 4, offset); SOFF_T_R(p, 12, len); p += 20; cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } if (cli_is_error(cli)) { return False; } return True; } /**************************************************************************** Get/unlock a POSIX lock on a file - internal function. ****************************************************************************/ static BOOL cli_posix_lock_internal(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len, BOOL wait_lock, enum brl_type lock_type) { unsigned int param_len = 4; unsigned int data_len = POSIX_LOCK_DATA_SIZE; uint16 setup = TRANSACT2_SETFILEINFO; char param[4]; unsigned char data[POSIX_LOCK_DATA_SIZE]; char *rparam=NULL, *rdata=NULL; int saved_timeout = cli->timeout; SSVAL(param,0,fnum); SSVAL(param,2,SMB_SET_POSIX_LOCK); switch (lock_type) { case READ_LOCK: SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_READ); break; case WRITE_LOCK: SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_WRITE); break; case UNLOCK_LOCK: SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK); break; default: return False; } if (wait_lock) { SSVAL(data, POSIX_LOCK_FLAGS_OFFSET, POSIX_LOCK_FLAG_WAIT); cli->timeout = 0x7FFFFFFF; } else { SSVAL(data, POSIX_LOCK_FLAGS_OFFSET, POSIX_LOCK_FLAG_NOWAIT); } SIVAL(data, POSIX_LOCK_PID_OFFSET, cli->pid); SOFF_T(data, POSIX_LOCK_START_OFFSET, offset); SOFF_T(data, POSIX_LOCK_LEN_OFFSET, len); if (!cli_send_trans(cli, SMBtrans2, NULL, /* name */ -1, 0, /* fid, flags */ &setup, 1, 0, /* setup, length, max */ param, param_len, 2, /* param, length, max */ (char *)&data, data_len, cli->max_xmit /* data, length, max */ )) { cli->timeout = saved_timeout; return False; } if (!cli_receive_trans(cli, SMBtrans2, &rparam, ¶m_len, &rdata, &data_len)) { cli->timeout = saved_timeout; SAFE_FREE(rdata); SAFE_FREE(rparam); return False; } cli->timeout = saved_timeout; SAFE_FREE(rdata); SAFE_FREE(rparam); return True; } /**************************************************************************** POSIX Lock a file. ****************************************************************************/ BOOL cli_posix_lock(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len, BOOL wait_lock, enum brl_type lock_type) { if (lock_type != READ_LOCK && lock_type != WRITE_LOCK) { return False; } return cli_posix_lock_internal(cli, fnum, offset, len, wait_lock, lock_type); } /**************************************************************************** POSIX Unlock a file. ****************************************************************************/ BOOL cli_posix_unlock(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len) { return cli_posix_lock_internal(cli, fnum, offset, len, False, UNLOCK_LOCK); } /**************************************************************************** POSIX Get any lock covering a file. ****************************************************************************/ BOOL cli_posix_getlock(struct cli_state *cli, int fnum, SMB_BIG_UINT *poffset, SMB_BIG_UINT *plen) { return True; } /**************************************************************************** Do a SMBgetattrE call. ****************************************************************************/ BOOL cli_getattrE(struct cli_state *cli, int fd, uint16 *attr, SMB_OFF_T *size, time_t *change_time, time_t *access_time, time_t *write_time) { memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,1,0,True); SCVAL(cli->outbuf,smb_com,SMBgetattrE); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0,fd); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } if (cli_is_error(cli)) { return False; } if (size) { *size = IVAL(cli->inbuf, smb_vwv6); } if (attr) { *attr = SVAL(cli->inbuf,smb_vwv10); } if (change_time) { *change_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv0); } if (access_time) { *access_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv2); } if (write_time) { *write_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv4); } return True; } /**************************************************************************** Do a SMBgetatr call ****************************************************************************/ BOOL cli_getatr(struct cli_state *cli, const char *fname, uint16 *attr, SMB_OFF_T *size, time_t *write_time) { char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,0,0,True); SCVAL(cli->outbuf,smb_com,SMBgetatr); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); p = smb_buf(cli->outbuf); *p++ = 4; p += clistr_push(cli, p, fname, -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } if (cli_is_error(cli)) { return False; } if (size) { *size = IVAL(cli->inbuf, smb_vwv3); } if (write_time) { *write_time = cli_make_unix_date3(cli, cli->inbuf+smb_vwv1); } if (attr) { *attr = SVAL(cli->inbuf,smb_vwv0); } return True; } /**************************************************************************** Do a SMBsetattrE call. ****************************************************************************/ BOOL cli_setattrE(struct cli_state *cli, int fd, time_t change_time, time_t access_time, time_t write_time) { char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,7,0,True); SCVAL(cli->outbuf,smb_com,SMBsetattrE); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0, fd); cli_put_dos_date2(cli, cli->outbuf,smb_vwv1, change_time); cli_put_dos_date2(cli, cli->outbuf,smb_vwv3, access_time); cli_put_dos_date2(cli, cli->outbuf,smb_vwv5, write_time); p = smb_buf(cli->outbuf); *p++ = 4; cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } if (cli_is_error(cli)) { return False; } return True; } /**************************************************************************** Do a SMBsetatr call. ****************************************************************************/ BOOL cli_setatr(struct cli_state *cli, const char *fname, uint16 attr, time_t t) { char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,8,0,True); SCVAL(cli->outbuf,smb_com,SMBsetatr); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0, attr); cli_put_dos_date3(cli, cli->outbuf,smb_vwv1, t); p = smb_buf(cli->outbuf); *p++ = 4; p += clistr_push(cli, p, fname, -1, STR_TERMINATE); *p++ = 4; cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } if (cli_is_error(cli)) { return False; } return True; } /**************************************************************************** Check for existance of a dir. ****************************************************************************/ BOOL cli_chkpath(struct cli_state *cli, const char *path) { pstring path2; char *p; pstrcpy(path2,path); trim_char(path2,'\0','\\'); if (!*path2) *path2 = '\\'; memset(cli->outbuf,'\0',smb_size); set_message(NULL,cli->outbuf,0,0,True); SCVAL(cli->outbuf,smb_com,SMBcheckpath); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); p = smb_buf(cli->outbuf); *p++ = 4; p += clistr_push(cli, p, path2, -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } if (cli_is_error(cli)) return False; return True; } /**************************************************************************** Query disk space. ****************************************************************************/ BOOL cli_dskattr(struct cli_state *cli, int *bsize, int *total, int *avail) { memset(cli->outbuf,'\0',smb_size); set_message(NULL,cli->outbuf,0,0,True); SCVAL(cli->outbuf,smb_com,SMBdskattr); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return False; } *bsize = SVAL(cli->inbuf,smb_vwv1)*SVAL(cli->inbuf,smb_vwv2); *total = SVAL(cli->inbuf,smb_vwv0); *avail = SVAL(cli->inbuf,smb_vwv3); return True; } /**************************************************************************** Create and open a temporary file. ****************************************************************************/ int cli_ctemp(struct cli_state *cli, const char *path, char **tmp_path) { int len; char *p; memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf,3,0,True); SCVAL(cli->outbuf,smb_com,SMBctemp); SSVAL(cli->outbuf,smb_tid,cli->cnum); cli_setup_packet(cli); SSVAL(cli->outbuf,smb_vwv0,0); SIVALS(cli->outbuf,smb_vwv1,-1); p = smb_buf(cli->outbuf); *p++ = 4; p += clistr_push(cli, p, path, -1, STR_TERMINATE); cli_setup_bcc(cli, p); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return -1; } if (cli_is_error(cli)) { return -1; } /* despite the spec, the result has a -1, followed by length, followed by name */ p = smb_buf(cli->inbuf); p += 4; len = smb_buflen(cli->inbuf) - 4; if (len <= 0) return -1; if (tmp_path) { pstring path2; clistr_pull(cli, path2, p, sizeof(path2), len, STR_ASCII); *tmp_path = SMB_STRDUP(path2); } return SVAL(cli->inbuf,smb_vwv0); } /* send a raw ioctl - used by the torture code */ NTSTATUS cli_raw_ioctl(struct cli_state *cli, int fnum, uint32 code, DATA_BLOB *blob) { memset(cli->outbuf,'\0',smb_size); memset(cli->inbuf,'\0',smb_size); set_message(NULL,cli->outbuf, 3, 0, True); SCVAL(cli->outbuf,smb_com,SMBioctl); cli_setup_packet(cli); SSVAL(cli->outbuf, smb_vwv0, fnum); SSVAL(cli->outbuf, smb_vwv1, code>>16); SSVAL(cli->outbuf, smb_vwv2, (code&0xFFFF)); cli_send_smb(cli); if (!cli_receive_smb(cli)) { return NT_STATUS_UNEXPECTED_NETWORK_ERROR; } if (cli_is_error(cli)) { return cli_nt_error(cli); } *blob = data_blob_null; return NT_STATUS_OK; } /********************************************************* Set an extended attribute utility fn. *********************************************************/ static BOOL cli_set_ea(struct cli_state *cli, uint16 setup, char *param, unsigned int param_len, const char *ea_name, const char *ea_val, size_t ea_len) { unsigned int data_len = 0; char *data = NULL; char *rparam=NULL, *rdata=NULL; char *p; size_t ea_namelen = strlen(ea_name); if (ea_namelen == 0 && ea_len == 0) { data_len = 4; data = (char *)SMB_MALLOC(data_len); if (!data) { return False; } p = data; SIVAL(p,0,data_len); } else { data_len = 4 + 4 + ea_namelen + 1 + ea_len; data = (char *)SMB_MALLOC(data_len); if (!data) { return False; } p = data; SIVAL(p,0,data_len); p += 4; SCVAL(p, 0, 0); /* EA flags. */ SCVAL(p, 1, ea_namelen); SSVAL(p, 2, ea_len); memcpy(p+4, ea_name, ea_namelen+1); /* Copy in the name. */ memcpy(p+4+ea_namelen+1, ea_val, ea_len); } if (!cli_send_trans(cli, SMBtrans2, NULL, /* name */ -1, 0, /* fid, flags */ &setup, 1, 0, /* setup, length, max */ param, param_len, 2, /* param, length, max */ data, data_len, cli->max_xmit /* data, length, max */ )) { return False; } if (!cli_receive_trans(cli, SMBtrans2, &rparam, ¶m_len, &rdata, &data_len)) { return False; } SAFE_FREE(data); SAFE_FREE(rdata); SAFE_FREE(rparam); return True; } /********************************************************* Set an extended attribute on a pathname. *********************************************************/ BOOL cli_set_ea_path(struct cli_state *cli, const char *path, const char *ea_name, const char *ea_val, size_t ea_len) { uint16 setup = TRANSACT2_SETPATHINFO; unsigned int param_len = 0; char param[sizeof(pstring)+6]; size_t srclen = 2*(strlen(path)+1); char *p; memset(param, 0, sizeof(param)); SSVAL(param,0,SMB_INFO_SET_EA); p = ¶m[6]; p += clistr_push(cli, p, path, MIN(srclen, sizeof(param)-6), STR_TERMINATE); param_len = PTR_DIFF(p, param); return cli_set_ea(cli, setup, param, param_len, ea_name, ea_val, ea_len); } /********************************************************* Set an extended attribute on an fnum. *********************************************************/ BOOL cli_set_ea_fnum(struct cli_state *cli, int fnum, const char *ea_name, const char *ea_val, size_t ea_len) { char param[6]; uint16 setup = TRANSACT2_SETFILEINFO; memset(param, 0, 6); SSVAL(param,0,fnum); SSVAL(param,2,SMB_INFO_SET_EA); return cli_set_ea(cli, setup, param, 6, ea_name, ea_val, ea_len); } /********************************************************* Get an extended attribute list tility fn. *********************************************************/ static BOOL cli_get_ea_list(struct cli_state *cli, uint16 setup, char *param, unsigned int param_len, TALLOC_CTX *ctx, size_t *pnum_eas, struct ea_struct **pea_list) { unsigned int data_len = 0; unsigned int rparam_len, rdata_len; char *rparam=NULL, *rdata=NULL; char *p; size_t ea_size; size_t num_eas; BOOL ret = False; struct ea_struct *ea_list; *pnum_eas = 0; if (pea_list) { *pea_list = NULL; } if (!cli_send_trans(cli, SMBtrans2, NULL, /* Name */ -1, 0, /* fid, flags */ &setup, 1, 0, /* setup, length, max */ param, param_len, 10, /* param, length, max */ NULL, data_len, cli->max_xmit /* data, length, max */ )) { return False; } if (!cli_receive_trans(cli, SMBtrans2, &rparam, &rparam_len, &rdata, &rdata_len)) { return False; } if (!rdata || rdata_len < 4) { goto out; } ea_size = (size_t)IVAL(rdata,0); if (ea_size > rdata_len) { goto out; } if (ea_size == 0) { /* No EA's present. */ ret = True; goto out; } p = rdata + 4; ea_size -= 4; /* Validate the EA list and count it. */ for (num_eas = 0; ea_size >= 4; num_eas++) { unsigned int ea_namelen = CVAL(p,1); unsigned int ea_valuelen = SVAL(p,2); if (ea_namelen == 0) { goto out; } if (4 + ea_namelen + 1 + ea_valuelen > ea_size) { goto out; } ea_size -= 4 + ea_namelen + 1 + ea_valuelen; p += 4 + ea_namelen + 1 + ea_valuelen; } if (num_eas == 0) { ret = True; goto out; } *pnum_eas = num_eas; if (!pea_list) { /* Caller only wants number of EA's. */ ret = True; goto out; } ea_list = TALLOC_ARRAY(ctx, struct ea_struct, num_eas); if (!ea_list) { goto out; } ea_size = (size_t)IVAL(rdata,0); p = rdata + 4; for (num_eas = 0; num_eas < *pnum_eas; num_eas++ ) { struct ea_struct *ea = &ea_list[num_eas]; fstring unix_ea_name; unsigned int ea_namelen = CVAL(p,1); unsigned int ea_valuelen = SVAL(p,2); ea->flags = CVAL(p,0); unix_ea_name[0] = '\0'; pull_ascii_fstring(unix_ea_name, p + 4); ea->name = talloc_strdup(ctx, unix_ea_name); /* Ensure the value is null terminated (in case it's a string). */ ea->value = data_blob_talloc(ctx, NULL, ea_valuelen + 1); if (!ea->value.data) { goto out; } if (ea_valuelen) { memcpy(ea->value.data, p+4+ea_namelen+1, ea_valuelen); } ea->value.data[ea_valuelen] = 0; ea->value.length--; p += 4 + ea_namelen + 1 + ea_valuelen; } *pea_list = ea_list; ret = True; out : SAFE_FREE(rdata); SAFE_FREE(rparam); return ret; } /********************************************************* Get an extended attribute list from a pathname. *********************************************************/ BOOL cli_get_ea_list_path(struct cli_state *cli, const char *path, TALLOC_CTX *ctx, size_t *pnum_eas, struct ea_struct **pea_list) { uint16 setup = TRANSACT2_QPATHINFO; unsigned int param_len = 0; char param[sizeof(pstring)+6]; char *p; p = param; memset(p, 0, 6); SSVAL(p, 0, SMB_INFO_QUERY_ALL_EAS); p += 6; p += clistr_push(cli, p, path, sizeof(pstring)-6, STR_TERMINATE); param_len = PTR_DIFF(p, param); return cli_get_ea_list(cli, setup, param, param_len, ctx, pnum_eas, pea_list); } /********************************************************* Get an extended attribute list from an fnum. *********************************************************/ BOOL cli_get_ea_list_fnum(struct cli_state *cli, int fnum, TALLOC_CTX *ctx, size_t *pnum_eas, struct ea_struct **pea_list) { uint16 setup = TRANSACT2_QFILEINFO; char param[6]; memset(param, 0, 6); SSVAL(param,0,fnum); SSVAL(param,2,SMB_INFO_SET_EA); return cli_get_ea_list(cli, setup, param, 6, ctx, pnum_eas, pea_list); } /**************************************************************************** Convert open "flags" arg to uint32 on wire. ****************************************************************************/ static uint32 open_flags_to_wire(int flags) { int open_mode = flags & O_ACCMODE; uint32 ret = 0; switch (open_mode) { case O_WRONLY: ret |= SMB_O_WRONLY; break; case O_RDWR: ret |= SMB_O_RDWR; break; default: case O_RDONLY: ret |= SMB_O_RDONLY; break; } if (flags & O_CREAT) { ret |= SMB_O_CREAT; } if (flags & O_EXCL) { ret |= SMB_O_EXCL; } if (flags & O_TRUNC) { ret |= SMB_O_TRUNC; } #if defined(O_SYNC) if (flags & O_SYNC) { ret |= SMB_O_SYNC; } #endif /* O_SYNC */ if (flags & O_APPEND) { ret |= SMB_O_APPEND; } #if defined(O_DIRECT) if (flags & O_DIRECT) { ret |= SMB_O_DIRECT; } #endif #if defined(O_DIRECTORY) if (flags & O_DIRECTORY) { ret &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY); ret |= SMB_O_DIRECTORY; } #endif return ret; } /**************************************************************************** Open a file - POSIX semantics. Returns fnum. Doesn't request oplock. ****************************************************************************/ static int cli_posix_open_internal(struct cli_state *cli, const char *fname, int flags, mode_t mode, BOOL is_dir) { unsigned int data_len = 0; unsigned int param_len = 0; uint16 setup = TRANSACT2_SETPATHINFO; char param[sizeof(pstring)+6]; char data[18]; char *rparam=NULL, *rdata=NULL; char *p; int fnum = -1; uint32 wire_flags = open_flags_to_wire(flags); memset(param, 0, sizeof(param)); SSVAL(param,0, SMB_POSIX_PATH_OPEN); p = ¶m[6]; p += clistr_push(cli, p, fname, sizeof(param)-6, STR_TERMINATE); param_len = PTR_DIFF(p, param); if (is_dir) { wire_flags &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY); wire_flags |= SMB_O_DIRECTORY; } p = data; SIVAL(p,0,0); /* No oplock. */ SIVAL(p,4,wire_flags); SIVAL(p,8,unix_perms_to_wire(mode)); SIVAL(p,12,0); /* Top bits of perms currently undefined. */ SSVAL(p,16,SMB_NO_INFO_LEVEL_RETURNED); /* No info level returned. */ data_len = 18; if (!cli_send_trans(cli, SMBtrans2, NULL, /* name */ -1, 0, /* fid, flags */ &setup, 1, 0, /* setup, length, max */ param, param_len, 2, /* param, length, max */ (char *)&data, data_len, cli->max_xmit /* data, length, max */ )) { return -1; } if (!cli_receive_trans(cli, SMBtrans2, &rparam, ¶m_len, &rdata, &data_len)) { return -1; } fnum = SVAL(rdata,2); SAFE_FREE(rdata); SAFE_FREE(rparam); return fnum; } /**************************************************************************** open - POSIX semantics. ****************************************************************************/ int cli_posix_open(struct cli_state *cli, const char *fname, int flags, mode_t mode) { return cli_posix_open_internal(cli, fname, flags, mode, False); } /**************************************************************************** mkdir - POSIX semantics. ****************************************************************************/ int cli_posix_mkdir(struct cli_state *cli, const char *fname, mode_t mode) { return (cli_posix_open_internal(cli, fname, O_CREAT, mode, True) == -1) ? -1 : 0; } /**************************************************************************** unlink or rmdir - POSIX semantics. ****************************************************************************/ static BOOL cli_posix_unlink_internal(struct cli_state *cli, const char *fname, BOOL is_dir) { unsigned int data_len = 0; unsigned int param_len = 0; uint16 setup = TRANSACT2_SETPATHINFO; char param[sizeof(pstring)+6]; char data[2]; char *rparam=NULL, *rdata=NULL; char *p; memset(param, 0, sizeof(param)); SSVAL(param,0, SMB_POSIX_PATH_UNLINK); p = ¶m[6]; p += clistr_push(cli, p, fname, sizeof(param)-6, STR_TERMINATE); param_len = PTR_DIFF(p, param); SSVAL(data, 0, is_dir ? SMB_POSIX_UNLINK_DIRECTORY_TARGET : SMB_POSIX_UNLINK_FILE_TARGET); data_len = 2; if (!cli_send_trans(cli, SMBtrans2, NULL, /* name */ -1, 0, /* fid, flags */ &setup, 1, 0, /* setup, length, max */ param, param_len, 2, /* param, length, max */ (char *)&data, data_len, cli->max_xmit /* data, length, max */ )) { return False; } if (!cli_receive_trans(cli, SMBtrans2, &rparam, ¶m_len, &rdata, &data_len)) { return False; } SAFE_FREE(rdata); SAFE_FREE(rparam); return True; } /**************************************************************************** unlink - POSIX semantics. ****************************************************************************/ BOOL cli_posix_unlink(struct cli_state *cli, const char *fname) { return cli_posix_unlink_internal(cli, fname, False); } /**************************************************************************** rmdir - POSIX semantics. ****************************************************************************/ int cli_posix_rmdir(struct cli_state *cli, const char *fname) { return cli_posix_unlink_internal(cli, fname, True); }