diff options
| -rw-r--r-- | source3/smbd/trans2.c | 172 |
1 files changed, 93 insertions, 79 deletions
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c index 085a0b2acb..2ee3938aec 100644 --- a/source3/smbd/trans2.c +++ b/source3/smbd/trans2.c @@ -2687,67 +2687,37 @@ static void samba_extended_info_version(struct smb_extended_info *extended_info) "%s", samba_version_string()); } -/**************************************************************************** - Reply to a TRANS2_QFSINFO (query filesystem info). -****************************************************************************/ - -static void call_trans2qfsinfo(connection_struct *conn, - struct smb_request *req, - char **pparams, int total_params, - char **ppdata, int total_data, - unsigned int max_data_bytes) +static NTSTATUS smbd_do_qfsinfo(connection_struct *conn, + TALLOC_CTX *mem_ctx, + uint16_t info_level, + SMB_STRUCT_STAT st, + uint16_t flags2, + unsigned int max_data_bytes, + char **ppdata, + int *ret_data_len) { char *pdata, *end_data; - char *params = *pparams; - uint16 info_level; - int data_len, len; - SMB_STRUCT_STAT st; + int data_len = 0, len; const char *vname = volume_label(SNUM(conn)); int snum = SNUM(conn); char *fstype = lp_fstype(SNUM(conn)); uint32 additional_flags = 0; - if (total_params < 2) { - reply_nterror(req, NT_STATUS_INVALID_PARAMETER); - return; - } - - info_level = SVAL(params,0); - if (IS_IPC(conn)) { if (info_level != SMB_QUERY_CIFS_UNIX_INFO) { - DEBUG(0,("call_trans2qfsinfo: not an allowed " + DEBUG(0,("smbd_do_qfsinfo: not an allowed " "info level (0x%x) on IPC$.\n", (unsigned int)info_level)); - reply_nterror(req, NT_STATUS_ACCESS_DENIED); - return; - } - } - - if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) { - if (info_level != SMB_QUERY_CIFS_UNIX_INFO) { - DEBUG(0,("call_trans2qfsinfo: encryption required " - "and info level 0x%x sent.\n", - (unsigned int)info_level)); - exit_server_cleanly("encryption required " - "on connection"); - return; + return NT_STATUS_ACCESS_DENIED; } } - DEBUG(3,("call_trans2qfsinfo: level = %d\n", info_level)); - - if(vfs_stat_smb_fname(conn,".",&st)!=0) { - DEBUG(2,("call_trans2qfsinfo: stat of . failed (%s)\n", strerror(errno))); - reply_doserror(req, ERRSRV, ERRinvdevice); - return; - } + DEBUG(3,("smbd_do_qfsinfo: level = %d\n", info_level)); *ppdata = (char *)SMB_REALLOC( *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN); - if (*ppdata == NULL ) { - reply_nterror(req, NT_STATUS_NO_MEMORY); - return; + if (*ppdata == NULL) { + return NT_STATUS_NO_MEMORY; } pdata = *ppdata; @@ -2760,8 +2730,7 @@ static void call_trans2qfsinfo(connection_struct *conn, uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector; data_len = 18; if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) { - reply_nterror(req, map_nt_error_from_unix(errno)); - return; + return map_nt_error_from_unix(errno); } block_size = lp_block_size(snum); @@ -2780,7 +2749,7 @@ static void call_trans2qfsinfo(connection_struct *conn, bytes_per_sector = 512; sectors_per_unit = bsize/bytes_per_sector; - DEBUG(5,("call_trans2qfsinfo : SMB_INFO_ALLOCATION id=%x, bsize=%u, cSectorUnit=%u, \ + DEBUG(5,("smbd_do_qfsinfo : SMB_INFO_ALLOCATION id=%x, bsize=%u, cSectorUnit=%u, \ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (unsigned int)bsize, (unsigned int)sectors_per_unit, (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree)); @@ -2806,13 +2775,13 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (u * the pushed string. The change here was adding the STR_TERMINATE. JRA. */ len = srvstr_push( - pdata, req->flags2, + pdata, flags2, pdata+l2_vol_szVolLabel, vname, PTR_DIFF(end_data, pdata+l2_vol_szVolLabel), STR_NOALIGN|STR_TERMINATE); SCVAL(pdata,l2_vol_cch,len); data_len = l2_vol_szVolLabel + len; - DEBUG(5,("call_trans2qfsinfo : time = %x, namelen = %d, name = %s\n", + DEBUG(5,("smbd_do_qfsinfo : time = %x, namelen = %d, name = %s\n", (unsigned)convert_timespec_to_time_t(st.st_ex_ctime), len, vname)); break; @@ -2839,7 +2808,7 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (u SIVAL(pdata,4,255); /* Max filename component length */ /* NOTE! the fstype must *not* be null terminated or win98 won't recognise it and will think we can't do long filenames */ - len = srvstr_push(pdata, req->flags2, pdata+12, fstype, + len = srvstr_push(pdata, flags2, pdata+12, fstype, PTR_DIFF(end_data, pdata+12), STR_UNICODE); SIVAL(pdata,8,len); @@ -2848,7 +2817,7 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (u case SMB_QUERY_FS_LABEL_INFO: case SMB_FS_LABEL_INFORMATION: - len = srvstr_push(pdata, req->flags2, pdata+4, vname, + len = srvstr_push(pdata, flags2, pdata+4, vname, PTR_DIFF(end_data, pdata+4), 0); data_len = 4 + len; SIVAL(pdata,0,len); @@ -2865,13 +2834,13 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (u (str_checksum(get_local_machine_name())<<16)); /* Max label len is 32 characters. */ - len = srvstr_push(pdata, req->flags2, pdata+18, vname, + len = srvstr_push(pdata, flags2, pdata+18, vname, PTR_DIFF(end_data, pdata+18), STR_UNICODE); SIVAL(pdata,12,len); data_len = 18+len; - DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n", + DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n", (int)strlen(vname),vname, lp_servicename(snum))); break; @@ -2881,8 +2850,7 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (u uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector; data_len = 24; if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) { - reply_nterror(req, map_nt_error_from_unix(errno)); - return; + return map_nt_error_from_unix(errno); } block_size = lp_block_size(snum); if (bsize < block_size) { @@ -2899,7 +2867,7 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (u } bytes_per_sector = 512; sectors_per_unit = bsize/bytes_per_sector; - DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_SIZE_INFO bsize=%u, cSectorUnit=%u, \ + DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_SIZE_INFO bsize=%u, cSectorUnit=%u, \ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit, (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree)); SBIG_UINT(pdata,0,dsize); @@ -2914,8 +2882,7 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector; data_len = 32; if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) { - reply_nterror(req, map_nt_error_from_unix(errno)); - return; + return map_nt_error_from_unix(errno); } block_size = lp_block_size(snum); if (bsize < block_size) { @@ -2932,7 +2899,7 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned } bytes_per_sector = 512; sectors_per_unit = bsize/bytes_per_sector; - DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_FULL_SIZE_INFO bsize=%u, cSectorUnit=%u, \ + DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_FULL_SIZE_INFO bsize=%u, cSectorUnit=%u, \ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit, (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree)); SBIG_UINT(pdata,0,dsize); /* Total Allocation units. */ @@ -2990,19 +2957,18 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned "service [%s] user [%s]\n", lp_servicename(SNUM(conn)), conn->server_info->unix_name)); - reply_doserror(req, ERRDOS, ERRnoaccess); - return; + return NT_STATUS_DOS(ERRDOS, ERRnoaccess); } if (vfs_get_ntquota(&fsp, SMB_USER_FS_QUOTA_TYPE, NULL, "as)!=0) { DEBUG(0,("vfs_get_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn)))); - reply_doserror(req, ERRSRV, ERRerror); - return; + return NT_STATUS_DOS(ERRSRV, ERRerror); } data_len = 48; - DEBUG(10,("SMB_FS_QUOTA_INFORMATION: for service [%s]\n",lp_servicename(SNUM(conn)))); + DEBUG(10,("SMB_FS_QUOTA_INFORMATION: for service [%s]\n", + lp_servicename(SNUM(conn)))); /* Unknown1 24 NULL bytes*/ SBIG_UINT(pdata,0,(uint64_t)0); @@ -3053,8 +3019,7 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int encrypt_caps = 0; if (!lp_unix_extensions()) { - reply_nterror(req, NT_STATUS_INVALID_LEVEL); - return; + return NT_STATUS_INVALID_LEVEL; } switch (conn->encrypt_level) { @@ -3099,8 +3064,7 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned vfs_statvfs_struct svfs; if (!lp_unix_extensions()) { - reply_nterror(req, NT_STATUS_INVALID_LEVEL); - return; + return NT_STATUS_INVALID_LEVEL; } rc = SMB_VFS_STATVFS(conn, ".", &svfs); @@ -3115,16 +3079,14 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned SBIG_UINT(pdata,32,svfs.TotalFileNodes); SBIG_UINT(pdata,40,svfs.FreeFileNodes); SBIG_UINT(pdata,48,svfs.FsIdentifier); - DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_POSIX_FS_INFO succsessful\n")); + DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_POSIX_FS_INFO succsessful\n")); #ifdef EOPNOTSUPP } else if (rc == EOPNOTSUPP) { - reply_nterror(req, NT_STATUS_INVALID_LEVEL); - return; + return NT_STATUS_INVALID_LEVEL; #endif /* EOPNOTSUPP */ } else { DEBUG(0,("vfs_statvfs() failed for service [%s]\n",lp_servicename(SNUM(conn)))); - reply_doserror(req, ERRSRV, ERRerror); - return; + return NT_STATUS_DOS(ERRSRV, ERRerror); } break; } @@ -3136,13 +3098,11 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int i; if (!lp_unix_extensions()) { - reply_nterror(req, NT_STATUS_INVALID_LEVEL); - return; + return NT_STATUS_INVALID_LEVEL; } if (max_data_bytes < 40) { - reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL); - return; + return NT_STATUS_BUFFER_TOO_SMALL; } /* We ARE guest if global_sid_Builtin_Guests is @@ -3256,12 +3216,66 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned } /* drop through */ default: - reply_nterror(req, NT_STATUS_INVALID_LEVEL); + return NT_STATUS_INVALID_LEVEL; + } + + *ret_data_len = data_len; + return NT_STATUS_OK; +} + +/**************************************************************************** + Reply to a TRANS2_QFSINFO (query filesystem info). +****************************************************************************/ + +static void call_trans2qfsinfo(connection_struct *conn, + struct smb_request *req, + char **pparams, int total_params, + char **ppdata, int total_data, + unsigned int max_data_bytes) +{ + char *params = *pparams; + uint16_t info_level; + int data_len = 0; + SMB_STRUCT_STAT st; + NTSTATUS status; + + if (total_params < 2) { + reply_nterror(req, NT_STATUS_INVALID_PARAMETER); + return; + } + + info_level = SVAL(params,0); + + if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) { + if (info_level != SMB_QUERY_CIFS_UNIX_INFO) { + DEBUG(0,("call_trans2qfsinfo: encryption required " + "and info level 0x%x sent.\n", + (unsigned int)info_level)); + exit_server_cleanly("encryption required " + "on connection"); return; + } } + DEBUG(3,("call_trans2qfsinfo: level = %d\n", info_level)); + + if(vfs_stat_smb_fname(conn,".",&st)!=0) { + DEBUG(2,("call_trans2qfsinfo: stat of . failed (%s)\n", strerror(errno))); + reply_doserror(req, ERRSRV, ERRinvdevice); + return; + } + + status = smbd_do_qfsinfo(conn, req, + info_level, st, + req->flags2, + max_data_bytes, + ppdata, &data_len); + if (!NT_STATUS_IS_OK(status)) { + reply_nterror(req, status); + return; + } - send_trans2_replies(conn, req, params, 0, pdata, data_len, + send_trans2_replies(conn, req, params, 0, *ppdata, data_len, max_data_bytes); DEBUG( 4, ( "%s info_level = %d\n", |