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-rw-r--r--source3/smbd/process.c2
-rw-r--r--source3/smbd/reply.c37
2 files changed, 26 insertions, 13 deletions
diff --git a/source3/smbd/process.c b/source3/smbd/process.c
index 1241741449..fe6da4b265 100644
--- a/source3/smbd/process.c
+++ b/source3/smbd/process.c
@@ -708,7 +708,7 @@ static const struct smb_message_struct {
/* 0x0f */ { "SMBmknew",NULL,reply_mknew,AS_USER},
/* 0x10 */ { "SMBcheckpath",NULL,reply_checkpath,AS_USER},
/* 0x11 */ { "SMBexit",NULL,reply_exit,DO_CHDIR},
-/* 0x12 */ { "SMBlseek",reply_lseek,NULL,AS_USER},
+/* 0x12 */ { "SMBlseek",NULL,reply_lseek,AS_USER},
/* 0x13 */ { "SMBlockread",reply_lockread,NULL,AS_USER},
/* 0x14 */ { "SMBwriteunlock",reply_writeunlock,NULL,AS_USER},
/* 0x15 */ { NULL, NULL, NULL, 0 },
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index 87e3e29a4a..80a2e9ff14 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -3636,22 +3636,32 @@ void reply_write_and_X(connection_struct *conn, struct smb_request *req)
Reply to a lseek.
****************************************************************************/
-int reply_lseek(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
+void reply_lseek(connection_struct *conn, struct smb_request *req)
{
SMB_OFF_T startpos;
SMB_OFF_T res= -1;
int mode,umode;
- int outsize = 0;
- files_struct *fsp = file_fsp(SVAL(inbuf,smb_vwv0));
+ files_struct *fsp;
+
START_PROFILE(SMBlseek);
- CHECK_FSP(fsp,conn);
+ if (req->wct < 4) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ END_PROFILE(SMBlseek);
+ return;
+ }
+
+ fsp = file_fsp(SVAL(req->inbuf,smb_vwv0));
+
+ if (!check_fsp(conn, req, fsp, &current_user)) {
+ return;
+ }
flush_write_cache(fsp, SEEK_FLUSH);
- mode = SVAL(inbuf,smb_vwv1) & 3;
+ mode = SVAL(req->inbuf,smb_vwv1) & 3;
/* NB. This doesn't use IVAL_TO_SMB_OFF_T as startpos can be signed in this case. */
- startpos = (SMB_OFF_T)IVALS(inbuf,smb_vwv2);
+ startpos = (SMB_OFF_T)IVALS(req->inbuf,smb_vwv2);
switch (mode) {
case 0:
@@ -3678,8 +3688,10 @@ int reply_lseek(connection_struct *conn, char *inbuf,char *outbuf, int size, int
SMB_STRUCT_STAT sbuf;
if(SMB_VFS_FSTAT(fsp,fsp->fh->fd, &sbuf) == -1) {
+ reply_unixerror(req, ERRDOS,
+ ERRnoaccess);
END_PROFILE(SMBlseek);
- return(UNIXERROR(ERRDOS,ERRnoaccess));
+ return;
}
current_pos += sbuf.st_size;
@@ -3689,21 +3701,22 @@ int reply_lseek(connection_struct *conn, char *inbuf,char *outbuf, int size, int
}
if(res == -1) {
+ reply_unixerror(req, ERRDOS, ERRnoaccess);
END_PROFILE(SMBlseek);
- return(UNIXERROR(ERRDOS,ERRnoaccess));
+ return;
}
}
fsp->fh->pos = res;
-
- outsize = set_message(inbuf,outbuf,2,0,True);
- SIVAL(outbuf,smb_vwv0,res);
+
+ reply_outbuf(req, 2, 0);
+ SIVAL(req->outbuf,smb_vwv0,res);
DEBUG(3,("lseek fnum=%d ofs=%.0f newpos = %.0f mode=%d\n",
fsp->fnum, (double)startpos, (double)res, mode));
END_PROFILE(SMBlseek);
- return(outsize);
+ return;
}
/****************************************************************************