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author | Volker Lendecke <vlendec@samba.org> | 2007-08-14 20:20:51 +0000 |
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committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 12:29:47 -0500 |
commit | 05fafc1df28e7848a1e6869d0103ea96dc21f0e4 (patch) | |
tree | 9a7cf6f9fca233b353e81a25cf8cd182d1edcb73 /source3/smbd | |
parent | 9888ecedd8cb2d5d04c4808a107a5f366ac2e95d (diff) | |
download | samba-05fafc1df28e7848a1e6869d0103ea96dc21f0e4.tar.gz samba-05fafc1df28e7848a1e6869d0103ea96dc21f0e4.tar.bz2 samba-05fafc1df28e7848a1e6869d0103ea96dc21f0e4.zip |
r24436: Convert reply_lockread/writeunlock to the new API
(This used to be commit 1b6add251ca1db565a03407db30884132dd93e7d)
Diffstat (limited to 'source3/smbd')
-rw-r--r-- | source3/smbd/process.c | 4 | ||||
-rw-r--r-- | source3/smbd/reply.c | 118 |
2 files changed, 80 insertions, 42 deletions
diff --git a/source3/smbd/process.c b/source3/smbd/process.c index 837991f2ee..aaaf475d2e 100644 --- a/source3/smbd/process.c +++ b/source3/smbd/process.c @@ -709,8 +709,8 @@ static const struct smb_message_struct { /* 0x10 */ { "SMBcheckpath",NULL,reply_checkpath,AS_USER}, /* 0x11 */ { "SMBexit",NULL,reply_exit,DO_CHDIR}, /* 0x12 */ { "SMBlseek",NULL,reply_lseek,AS_USER}, -/* 0x13 */ { "SMBlockread",reply_lockread,NULL,AS_USER}, -/* 0x14 */ { "SMBwriteunlock",reply_writeunlock,NULL,AS_USER}, +/* 0x13 */ { "SMBlockread",NULL,reply_lockread,AS_USER}, +/* 0x14 */ { "SMBwriteunlock",NULL,reply_writeunlock,AS_USER}, /* 0x15 */ { NULL, NULL, NULL, 0 }, /* 0x16 */ { NULL, NULL, NULL, 0 }, /* 0x17 */ { NULL, NULL, NULL, 0 }, diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c index 1d0791a899..f41387fb68 100644 --- a/source3/smbd/reply.c +++ b/source3/smbd/reply.c @@ -2741,31 +2741,47 @@ void reply_readbraw(connection_struct *conn, struct smb_request *req) Reply to a lockread (core+ protocol). ****************************************************************************/ -int reply_lockread(connection_struct *conn, char *inbuf,char *outbuf, int length, int dum_buffsiz) +void reply_lockread(connection_struct *conn, struct smb_request *req) { ssize_t nread = -1; char *data; - int outsize = 0; SMB_OFF_T startpos; size_t numtoread; NTSTATUS status; - files_struct *fsp = file_fsp(SVAL(inbuf,smb_vwv0)); + files_struct *fsp; struct byte_range_lock *br_lck = NULL; + START_PROFILE(SMBlockread); - CHECK_FSP(fsp,conn); - if (!CHECK_READ(fsp,inbuf)) { - return(ERROR_DOS(ERRDOS,ERRbadaccess)); + if (req->wct < 5) { + reply_nterror(req, NT_STATUS_INVALID_PARAMETER); + END_PROFILE(SMBlockread); + return; + } + + fsp = file_fsp(SVAL(req->inbuf,smb_vwv0)); + + if (!check_fsp(conn, req, fsp, ¤t_user)) { + END_PROFILE(SMBlockread); + return; + } + + if (!CHECK_READ(fsp,req->inbuf)) { + reply_doserror(req, ERRDOS, ERRbadaccess); + END_PROFILE(SMBlockread); + return; } release_level_2_oplocks_on_change(fsp); - numtoread = SVAL(inbuf,smb_vwv1); - startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2); - - outsize = set_message(inbuf,outbuf,5,3,True); - numtoread = MIN(BUFFER_SIZE-outsize,numtoread); - data = smb_buf(outbuf) + 3; + numtoread = SVAL(req->inbuf,smb_vwv1); + startpos = IVAL_TO_SMB_OFF_T(req->inbuf,smb_vwv2); + + numtoread = MIN(BUFFER_SIZE - (smb_size + 3*2 + 3), numtoread); + + reply_outbuf(req, 5, numtoread + 3); + + data = smb_buf(req->outbuf) + 3; /* * NB. Discovered by Menny Hamburger at Mainsoft. This is a core+ @@ -2777,7 +2793,7 @@ int reply_lockread(connection_struct *conn, char *inbuf,char *outbuf, int length br_lck = do_lock(smbd_messaging_context(), fsp, - (uint32)SVAL(inbuf,smb_pid), + req->smbpid, (SMB_BIG_UINT)numtoread, (SMB_BIG_UINT)startpos, WRITE_LOCK, @@ -2788,8 +2804,9 @@ int reply_lockread(connection_struct *conn, char *inbuf,char *outbuf, int length TALLOC_FREE(br_lck); if (NT_STATUS_V(status)) { + reply_nterror(req, status); END_PROFILE(SMBlockread); - return ERROR_NT(status); + return; } /* @@ -2805,20 +2822,22 @@ Returning short read of maximum allowed for compatibility with Windows 2000.\n", nread = read_file(fsp,data,startpos,numtoread); if (nread < 0) { + reply_unixerror(req, ERRDOS, ERRnoaccess); END_PROFILE(SMBlockread); - return(UNIXERROR(ERRDOS,ERRnoaccess)); + return; } - outsize += nread; - SSVAL(outbuf,smb_vwv0,nread); - SSVAL(outbuf,smb_vwv5,nread+3); - SSVAL(smb_buf(outbuf),1,nread); + set_message(NULL, (char *)req->outbuf, 5, nread+3, False); + + SSVAL(req->outbuf,smb_vwv0,nread); + SSVAL(req->outbuf,smb_vwv5,nread+3); + SSVAL(smb_buf(req->outbuf),1,nread); DEBUG(3,("lockread fnum=%d num=%d nread=%d\n", fsp->fnum, (int)numtoread, (int)nread)); END_PROFILE(SMBlockread); - return(outsize); + return; } #undef DBGC_CLASS @@ -3341,30 +3360,46 @@ int reply_writebraw(connection_struct *conn, char *inbuf,char *outbuf, int size, Reply to a writeunlock (core+). ****************************************************************************/ -int reply_writeunlock(connection_struct *conn, char *inbuf,char *outbuf, - int size, int dum_buffsize) +void reply_writeunlock(connection_struct *conn, struct smb_request *req) { ssize_t nwritten = -1; size_t numtowrite; SMB_OFF_T startpos; char *data; NTSTATUS status = NT_STATUS_OK; - files_struct *fsp = file_fsp(SVAL(inbuf,smb_vwv0)); - int outsize = 0; + files_struct *fsp; + START_PROFILE(SMBwriteunlock); + + if (req->wct < 5) { + reply_nterror(req, NT_STATUS_INVALID_PARAMETER); + END_PROFILE(SMBwriteunlock); + return; + } - CHECK_FSP(fsp,conn); + fsp = file_fsp(SVAL(req->inbuf,smb_vwv0)); + + if (!check_fsp(conn, req, fsp, ¤t_user)) { + END_PROFILE(SMBwriteunlock); + return; + } + if (!CHECK_WRITE(fsp)) { - return(ERROR_DOS(ERRDOS,ERRbadaccess)); + reply_doserror(req, ERRDOS,ERRbadaccess); + END_PROFILE(SMBwriteunlock); + return; } - numtowrite = SVAL(inbuf,smb_vwv1); - startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2); - data = smb_buf(inbuf) + 3; + numtowrite = SVAL(req->inbuf,smb_vwv1); + startpos = IVAL_TO_SMB_OFF_T(req->inbuf,smb_vwv2); + data = smb_buf(req->inbuf) + 3; - if (numtowrite && is_locked(fsp,(uint32)SVAL(inbuf,smb_pid),(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK)) { + if (numtowrite + && is_locked(fsp, (uint32)req->smbpid, (SMB_BIG_UINT)numtowrite, + (SMB_BIG_UINT)startpos, WRITE_LOCK)) { + reply_doserror(req, ERRDOS, ERRlock); END_PROFILE(SMBwriteunlock); - return ERROR_DOS(ERRDOS,ERRlock); + return; } /* The special X/Open SMB protocol handling of @@ -3378,40 +3413,43 @@ int reply_writeunlock(connection_struct *conn, char *inbuf,char *outbuf, status = sync_file(conn, fsp, False /* write through */); if (!NT_STATUS_IS_OK(status)) { - END_PROFILE(SMBwriteunlock); DEBUG(5,("reply_writeunlock: sync_file for %s returned %s\n", fsp->fsp_name, nt_errstr(status) )); - return ERROR_NT(status); + reply_nterror(req, status); + END_PROFILE(SMBwriteunlock); + return; } if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) { + reply_unixerror(req, ERRHRD, ERRdiskfull); END_PROFILE(SMBwriteunlock); - return(UNIXERROR(ERRHRD,ERRdiskfull)); + return; } if (numtowrite) { status = do_unlock(smbd_messaging_context(), fsp, - (uint32)SVAL(inbuf,smb_pid), + req->smbpid, (SMB_BIG_UINT)numtowrite, (SMB_BIG_UINT)startpos, WINDOWS_LOCK); if (NT_STATUS_V(status)) { + reply_nterror(req, status); END_PROFILE(SMBwriteunlock); - return ERROR_NT(status); + return; } } + + reply_outbuf(req, 1, 0); - outsize = set_message(inbuf,outbuf,1,0,True); - - SSVAL(outbuf,smb_vwv0,nwritten); + SSVAL(req->outbuf,smb_vwv0,nwritten); DEBUG(3,("writeunlock fnum=%d num=%d wrote=%d\n", fsp->fnum, (int)numtowrite, (int)nwritten)); END_PROFILE(SMBwriteunlock); - return outsize; + return; } #undef DBGC_CLASS |