diff options
Diffstat (limited to 'source3/libsmb/clireadwrite.c')
| -rw-r--r-- | source3/libsmb/clireadwrite.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/source3/libsmb/clireadwrite.c b/source3/libsmb/clireadwrite.c index 6482a335e1..d36b280843 100644 --- a/source3/libsmb/clireadwrite.c +++ b/source3/libsmb/clireadwrite.c @@ -693,164 +693,6 @@ ssize_t cli_read(struct cli_state *cli, uint16_t fnum, char *buf, } /**************************************************************************** - Issue a single SMBwrite and don't wait for a reply. -****************************************************************************/ - -static bool cli_issue_write(struct cli_state *cli, - uint16_t fnum, - off_t offset, - uint16 mode, - const char *buf, - size_t size) -{ - char *p; - bool large_writex = false; - /* We can only do direct writes if not signing and not encrypting. */ - bool direct_writes = !client_is_signing_on(cli) && !cli_encryption_on(cli); - - if (!direct_writes && size + 1 > cli->bufsize) { - cli->outbuf = (char *)SMB_REALLOC(cli->outbuf, size + 1024); - if (!cli->outbuf) { - return False; - } - cli->inbuf = (char *)SMB_REALLOC(cli->inbuf, size + 1024); - if (cli->inbuf == NULL) { - SAFE_FREE(cli->outbuf); - return False; - } - cli->bufsize = size + 1024; - } - - memset(cli->outbuf,'\0',smb_size); - memset(cli->inbuf,'\0',smb_size); - - if (cli->capabilities & CAP_LARGE_FILES) { - large_writex = True; - } - - if (large_writex) { - cli_set_message(cli->outbuf,14,0,True); - } else { - cli_set_message(cli->outbuf,12,0,True); - } - - SCVAL(cli->outbuf,smb_com,SMBwriteX); - SSVAL(cli->outbuf,smb_tid,cli->cnum); - cli_setup_packet(cli); - - SCVAL(cli->outbuf,smb_vwv0,0xFF); - SSVAL(cli->outbuf,smb_vwv2,fnum); - - SIVAL(cli->outbuf,smb_vwv3,offset); - SIVAL(cli->outbuf,smb_vwv5,0); - SSVAL(cli->outbuf,smb_vwv7,mode); - - SSVAL(cli->outbuf,smb_vwv8,(mode & 0x0008) ? size : 0); - /* - * According to CIFS-TR-1p00, this following field should only - * be set if CAP_LARGE_WRITEX is set. We should check this - * locally. However, this check might already have been - * done by our callers. - */ - SSVAL(cli->outbuf,smb_vwv9,(size>>16)); - SSVAL(cli->outbuf,smb_vwv10,size); - /* +1 is pad byte. */ - SSVAL(cli->outbuf,smb_vwv11, - smb_buf(cli->outbuf) - smb_base(cli->outbuf) + 1); - - if (large_writex) { - SIVAL(cli->outbuf,smb_vwv12,(((uint64_t)offset)>>32) & 0xffffffff); - } - - p = smb_base(cli->outbuf) + SVAL(cli->outbuf,smb_vwv11) -1; - *p++ = '\0'; /* pad byte. */ - if (!direct_writes) { - memcpy(p, buf, size); - } - if (size > 0x1FFFF) { - /* This is a POSIX 14 word large write. */ - set_message_bcc(cli->outbuf, 0); /* Set bcc to zero. */ - _smb_setlen_large(cli->outbuf,smb_size + 28 + 1 /* pad */ + size - 4); - } else { - cli_setup_bcc(cli, p+size); - } - - show_msg(cli->outbuf); - if (direct_writes) { - /* For direct writes we now need to write the data - * directly out of buf. */ - return cli_send_smb_direct_writeX(cli, buf, size); - } else { - return cli_send_smb(cli); - } -} - -/**************************************************************************** - write to a file - write_mode: 0x0001 disallow write cacheing - 0x0002 return bytes remaining - 0x0004 use raw named pipe protocol - 0x0008 start of message mode named pipe protocol -****************************************************************************/ - -ssize_t cli_write(struct cli_state *cli, - uint16_t fnum, uint16 write_mode, - const char *buf, off_t offset, size_t size) -{ - ssize_t bwritten = 0; - unsigned int issued = 0; - unsigned int received = 0; - int mpx = 1; - size_t writesize; - int blocks; - - if(cli->max_mux > 1) { - mpx = cli->max_mux-1; - } else { - mpx = 1; - } - - writesize = cli_write_max_bufsize(cli, write_mode); - - blocks = (size + (writesize-1)) / writesize; - - while (received < blocks) { - - while ((issued - received < mpx) && (issued < blocks)) { - ssize_t bsent = issued * writesize; - ssize_t size1 = MIN(writesize, size - bsent); - - if (!cli_issue_write(cli, fnum, offset + bsent, - write_mode, - buf + bsent, - size1)) - return -1; - issued++; - } - - if (!cli_receive_smb(cli)) { - return bwritten; - } - - received++; - - if (cli_is_error(cli)) - break; - - bwritten += SVAL(cli->inbuf, smb_vwv2); - if (writesize > 0xFFFF) { - bwritten += (((int)(SVAL(cli->inbuf, smb_vwv4)))<<16); - } - } - - while (received < issued && cli_receive_smb(cli)) { - received++; - } - - return bwritten; -} - -/**************************************************************************** write to a file using a SMBwrite and not bypassing 0 byte writes ****************************************************************************/ |