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Merged cli_read_one() function for reading DCE/RPC reply fragments.

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This commit is contained in:
Tim Potter -
parent 0187cd6aef
commit 9e074bc2bf
1 changed files with 46 additions and 0 deletions
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46
source/libsmb/clireadwrite.c
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@ -48,6 +48,52 @@ static void cli_issue_read(struct cli_state *cli, int fnum, off_t offset,
cli_send_smb(cli);
}
/****************************************************************************
issue a single SMBread and wait for a reply. This function only called
in the rpc pipe code to read dce/rpc reply fragments.
****************************************************************************/
size_t cli_read_one(struct cli_state *cli, int fnum, char *buf, off_t offset,
size_t size)
{
uint32 ecode;
uint8 eclass;
char *p;
int size2;
if (size == 0)
return 0;
/* Issue a read and receive a reply */
cli_issue_read(cli, fnum, offset, size, 0);
if (!cli_receive_smb(cli))
return -1;
size2 = SVAL(cli->inbuf, smb_vwv5);
/* Check for error. Because the client library doesn't support
STATUS32, we need to check for and ignore the more data error
for pipe support. */
if (cli_error(cli, &eclass, &ecode, NULL) &&
(eclass != ERRDOS && ecode != ERRmoredata)) {
return -1;
}
if (size2 > size) {
DEBUG(5,("server returned more than we wanted!\n"));
return -1;
}
/* Copy data into buffer */
p = smb_base(cli->inbuf) + SVAL(cli->inbuf,smb_vwv6);
memcpy(buf, p, size2);
return size2;
}
/****************************************************************************
read from a file
****************************************************************************/