diff options
Diffstat (limited to 'source/libsmb/clifile.c')
| -rw-r--r-- | source/libsmb/clifile.c | 1417 |
1 files changed, 1417 insertions, 0 deletions
diff --git a/source/libsmb/clifile.c b/source/libsmb/clifile.c new file mode 100644 index 00000000000..bf7923ec788 --- /dev/null +++ b/source/libsmb/clifile.c @@ -0,0 +1,1417 @@ +/* + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#define NO_SYSLOG + +#include "includes.h" + +/**************************************************************************** + Hard/Symlink a file (UNIX extensions). +****************************************************************************/ + +static BOOL cli_link_internal(struct cli_state *cli, const char *fname_src, const char *fname_dst, 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 srclen = 2*(strlen(fname_src)+1); + size_t destlen = 2*(strlen(fname_dst) + 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, fname_src, MIN(srclen, sizeof(param)-6), STR_TERMINATE); + param_len = PTR_DIFF(p, param); + + p = data; + p += clistr_push(cli, p, fname_dst, MIN(destlen,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; +} + +/**************************************************************************** + Symlink a file (UNIX extensions). +****************************************************************************/ + +BOOL cli_unix_symlink(struct cli_state *cli, const char *fname_src, const char *fname_dst) +{ + return cli_link_internal(cli, fname_src, fname_dst, False); +} + +/**************************************************************************** + Hard a file (UNIX extensions). +****************************************************************************/ + +BOOL cli_unix_hardlink(struct cli_state *cli, const char *fname_src, const char *fname_dst) +{ + return cli_link_internal(cli, fname_src, fname_dst, 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); + + 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(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(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(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(struct cli_state *cli, const char *fname) +{ + char *p; + + memset(cli->outbuf,'\0',smb_size); + memset(cli->inbuf,'\0',smb_size); + + set_message(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,aSYSTEM | aHIDDEN); + + 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; +} + +/**************************************************************************** + 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(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(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(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_EXISTS_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(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(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(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(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(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(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(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; +} + + +/**************************************************************************** + Do a SMBgetattrE call. +****************************************************************************/ + +BOOL cli_getattrE(struct cli_state *cli, int fd, + uint16 *attr, SMB_BIG_UINT *size, + time_t *c_time, time_t *a_time, time_t *m_time) +{ + memset(cli->outbuf,'\0',smb_size); + memset(cli->inbuf,'\0',smb_size); + + set_message(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 (c_time) { + *c_time = make_unix_date3(cli->inbuf+smb_vwv0); + } + + if (a_time) { + *a_time = make_unix_date3(cli->inbuf+smb_vwv2); + } + + if (m_time) { + *m_time = make_unix_date3(cli->inbuf+smb_vwv4); + } + + return True; +} + +/**************************************************************************** + Do a SMBgetatr call +****************************************************************************/ + +BOOL cli_getatr(struct cli_state *cli, const char *fname, + uint16 *attr, size_t *size, time_t *t) +{ + char *p; + + memset(cli->outbuf,'\0',smb_size); + memset(cli->inbuf,'\0',smb_size); + + set_message(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 (t) { + *t = make_unix_date3(cli->inbuf+smb_vwv1); + } + + if (attr) { + *attr = SVAL(cli->inbuf,smb_vwv0); + } + + + 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(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); + put_dos_date3(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(cli->outbuf,0,0,True); + SCVAL(cli->outbuf,smb_com,SMBchkpth); + 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(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(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 = 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(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, 0); + + 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); + + data_len = 4 + 4 + ea_namelen + 1 + ea_len; + data = 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; + *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 = (struct ea_struct *)talloc(ctx, num_eas*sizeof(struct ea_struct)); + 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); +} |