diff options
Diffstat (limited to 'source/libsmb/clifile.c')
| -rw-r--r-- | source/libsmb/clifile.c | 105 |
1 files changed, 104 insertions, 1 deletions
diff --git a/source/libsmb/clifile.c b/source/libsmb/clifile.c index 443f5156653..80deb3a3320 100644 --- a/source/libsmb/clifile.c +++ b/source/libsmb/clifile.c @@ -816,6 +816,7 @@ BOOL cli_close(struct cli_state *cli, int fnum) 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) { @@ -863,11 +864,11 @@ NTSTATUS cli_locktype(struct cli_state *cli, int fnum, 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) { @@ -1068,6 +1069,108 @@ BOOL cli_unlock64(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_ 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. |