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Diffstat (limited to 'source/smbd/trans2.c')
| -rw-r--r-- | source/smbd/trans2.c | 1651 |
1 files changed, 0 insertions, 1651 deletions
diff --git a/source/smbd/trans2.c b/source/smbd/trans2.c deleted file mode 100644 index 1f727c4ecdf..00000000000 --- a/source/smbd/trans2.c +++ /dev/null @@ -1,1651 +0,0 @@ -/* - Unix SMB/Netbios implementation. - Version 1.9. - SMB transaction2 handling - Copyright (C) Jeremy Allison 1994-1997 - - Extensively modified by Andrew Tridgell, 1995 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "includes.h" -#include "trans2.h" - -extern int DEBUGLEVEL; -extern int Protocol; -extern connection_struct Connections[]; -extern files_struct Files[]; -extern BOOL case_sensitive; -extern int Client; - -/**************************************************************************** - Send the required number of replies back. - We assume all fields other than the data fields are - set correctly for the type of call. - HACK ! Always assumes smb_setup field is zero. -****************************************************************************/ -static int send_trans2_replies(char *outbuf, int bufsize, char *params, - int paramsize, char *pdata, int datasize) -{ - /* As we are using a protocol > LANMAN1 then the max_send - variable must have been set in the sessetupX call. - This takes precedence over the max_xmit field in the - global struct. These different max_xmit variables should - be merged as this is now too confusing */ - - extern int max_send; - int data_to_send = datasize; - int params_to_send = paramsize; - int useable_space; - char *pp = params; - char *pd = pdata; - int params_sent_thistime, data_sent_thistime, total_sent_thistime; - int alignment_offset = 1; - - /* Initially set the wcnt area to be 10 - this is true for all - trans2 replies */ - set_message(outbuf,10,0,True); - - /* If there genuinely are no parameters or data to send just send - the empty packet */ - if(params_to_send == 0 && data_to_send == 0) - { - send_smb(Client,outbuf); - return 0; - } - - /* Space is bufsize minus Netbios over TCP header minus SMB header */ - /* The alignment_offset is to align the param and data bytes on an even byte - boundary. NT 4.0 Beta needs this to work correctly. */ - useable_space = bufsize - ((smb_buf(outbuf)+alignment_offset) - outbuf); - /* useable_space can never be more than max_send minus the - alignment offset. */ - useable_space = MIN(useable_space, max_send - alignment_offset); - - while( params_to_send || data_to_send) - { - /* Calculate whether we will totally or partially fill this packet */ - total_sent_thistime = params_to_send + data_to_send + alignment_offset; - /* We can never send more than useable_space */ - total_sent_thistime = MIN(total_sent_thistime, useable_space); - - set_message(outbuf, 10, total_sent_thistime, True); - - /* Set total params and data to be sent */ - SSVAL(outbuf,smb_tprcnt,paramsize); - SSVAL(outbuf,smb_tdrcnt,datasize); - - /* Calculate how many parameters and data we can fit into - this packet. Parameters get precedence */ - - params_sent_thistime = MIN(params_to_send,useable_space); - data_sent_thistime = useable_space - params_sent_thistime; - data_sent_thistime = MIN(data_sent_thistime,data_to_send); - - SSVAL(outbuf,smb_prcnt, params_sent_thistime); - if(params_sent_thistime == 0) - { - SSVAL(outbuf,smb_proff,0); - SSVAL(outbuf,smb_prdisp,0); - } else { - /* smb_proff is the offset from the start of the SMB header to the - parameter bytes, however the first 4 bytes of outbuf are - the Netbios over TCP header. Thus use smb_base() to subtract - them from the calculation */ - SSVAL(outbuf,smb_proff,((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf))); - /* Absolute displacement of param bytes sent in this packet */ - SSVAL(outbuf,smb_prdisp,pp - params); - } - - SSVAL(outbuf,smb_drcnt, data_sent_thistime); - if(data_sent_thistime == 0) - { - SSVAL(outbuf,smb_droff,0); - SSVAL(outbuf,smb_drdisp, 0); - } else { - /* The offset of the data bytes is the offset of the - parameter bytes plus the number of parameters being sent this time */ - SSVAL(outbuf,smb_droff,((smb_buf(outbuf)+alignment_offset) - - smb_base(outbuf)) + params_sent_thistime); - SSVAL(outbuf,smb_drdisp, pd - pdata); - } - - /* Copy the param bytes into the packet */ - if(params_sent_thistime) - memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime); - /* Copy in the data bytes */ - if(data_sent_thistime) - memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime,pd,data_sent_thistime); - - DEBUG(9,("t2_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n", - params_sent_thistime, data_sent_thistime, useable_space)); - DEBUG(9,("t2_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n", - params_to_send, data_to_send, paramsize, datasize)); - - /* Send the packet */ - send_smb(Client,outbuf); - - pp += params_sent_thistime; - pd += data_sent_thistime; - - params_to_send -= params_sent_thistime; - data_to_send -= data_sent_thistime; - - /* Sanity check */ - if(params_to_send < 0 || data_to_send < 0) - { - DEBUG(2,("send_trans2_replies failed sanity check pts = %d, dts = %d\n!!!", - params_to_send, data_to_send)); - return -1; - } - } - - return 0; -} - - -/**************************************************************************** - reply to a TRANSACT2_OPEN -****************************************************************************/ -static int call_trans2open(char *inbuf, char *outbuf, int bufsize, int cnum, - char **pparams, char **ppdata) -{ - char *params = *pparams; - int16 open_mode = SVAL(params, 2); - int16 open_attr = SVAL(params,6); - BOOL oplock_request = BITSETW(params,1); -#if 0 - BOOL return_additional_info = BITSETW(params,0); - int16 open_sattr = SVAL(params, 4); - time_t open_time = make_unix_date3(params+8); -#endif - int16 open_ofun = SVAL(params,12); - int32 open_size = IVAL(params,14); - char *pname = ¶ms[28]; - int16 namelen = strlen(pname)+1; - - pstring fname; - int fnum = -1; - int unixmode; - int size=0,fmode=0,mtime=0,rmode; - int32 inode = 0; - struct stat sbuf; - int smb_action = 0; - - StrnCpy(fname,pname,namelen); - - DEBUG(3,("trans2open %s cnum=%d mode=%d attr=%d ofun=%d size=%d\n", - fname,cnum,open_mode, open_attr, open_ofun, open_size)); - - /* XXXX we need to handle passed times, sattr and flags */ - - unix_convert(fname,cnum,0); - - fnum = find_free_file(); - if (fnum < 0) - return(ERROR(ERRSRV,ERRnofids)); - - if (!check_name(fname,cnum)) - return(UNIXERROR(ERRDOS,ERRnoaccess)); - - unixmode = unix_mode(cnum,open_attr | aARCH); - - - open_file_shared(fnum,cnum,fname,open_mode,open_ofun,unixmode, - &rmode,&smb_action); - - if (!Files[fnum].open) - return(UNIXERROR(ERRDOS,ERRnoaccess)); - - if (fstat(Files[fnum].fd_ptr->fd,&sbuf) != 0) { - close_file(fnum); - return(ERROR(ERRDOS,ERRnoaccess)); - } - - size = sbuf.st_size; - fmode = dos_mode(cnum,fname,&sbuf); - mtime = sbuf.st_mtime; - inode = sbuf.st_ino; - if (fmode & aDIR) { - close_file(fnum); - return(ERROR(ERRDOS,ERRnoaccess)); - } - - /* Realloc the size of parameters and data we will return */ - params = *pparams = Realloc(*pparams, 28); - if(params == NULL) - return(ERROR(ERRDOS,ERRnomem)); - - bzero(params,28); - SSVAL(params,0,fnum); - SSVAL(params,2,fmode); - put_dos_date2(params,4, mtime); - SIVAL(params,8, size); - SSVAL(params,12,rmode); - - if (oplock_request && lp_fake_oplocks(SNUM(cnum))) { - smb_action |= (1<<15); - } - - SSVAL(params,18,smb_action); - SIVAL(params,20,inode); - - /* Send the required number of replies */ - send_trans2_replies(outbuf, bufsize, params, 28, *ppdata, 0); - - return -1; -} - -/**************************************************************************** - get a level dependent lanman2 dir entry. -****************************************************************************/ -static int get_lanman2_dir_entry(int cnum,char *path_mask,int dirtype,int info_level, - int requires_resume_key, - BOOL dont_descend,char **ppdata, - char *base_data, int space_remaining, - BOOL *out_of_space, - int *last_name_off) -{ - char *dname; - BOOL found = False; - struct stat sbuf; - pstring mask; - pstring pathreal; - pstring fname; - BOOL matched; - char *p, *pdata = *ppdata; - int reskey=0, prev_dirpos=0; - int mode=0; - uint32 size=0,len; - uint32 mdate=0, adate=0, cdate=0; - char *nameptr; - BOOL isrootdir = (strequal(Connections[cnum].dirpath,"./") || - strequal(Connections[cnum].dirpath,".") || - strequal(Connections[cnum].dirpath,"/")); - BOOL was_8_3; - int nt_extmode; /* Used for NT connections instead of mode */ - BOOL needslash = ( Connections[cnum].dirpath[strlen(Connections[cnum].dirpath) -1] != '/'); - - *fname = 0; - *out_of_space = False; - - if (!Connections[cnum].dirptr) - return(False); - - p = strrchr(path_mask,'/'); - if(p != NULL) - { - if(p[1] == '\0') - strcpy(mask,"*.*"); - else - strcpy(mask, p+1); - } - else - strcpy(mask, path_mask); - - while (!found) - { - /* Needed if we run out of space */ - prev_dirpos = TellDir(Connections[cnum].dirptr); - dname = ReadDirName(Connections[cnum].dirptr); - - reskey = TellDir(Connections[cnum].dirptr); - - DEBUG(6,("get_lanman2_dir_entry:readdir on dirptr 0x%x now at offset %d\n", - Connections[cnum].dirptr,TellDir(Connections[cnum].dirptr))); - - if (!dname) - return(False); - - matched = False; - - strcpy(fname,dname); - - if(mask_match(fname, mask, case_sensitive, True)) - { - BOOL isdots = (strequal(fname,"..") || strequal(fname,".")); - if (dont_descend && !isdots) - continue; - - if (isrootdir && isdots) - continue; - - strcpy(pathreal,Connections[cnum].dirpath); - if(needslash) - strcat(pathreal,"/"); - strcat(pathreal,fname); - if (sys_stat(pathreal,&sbuf) != 0) - { - DEBUG(5,("get_lanman2_dir_entry:Couldn't stat [%s] (%s)\n",pathreal,strerror(errno))); - continue; - } - - mode = dos_mode(cnum,pathreal,&sbuf); - - if (!dir_check_ftype(cnum,mode,&sbuf,dirtype)) { - DEBUG(5,("[%s] attribs didn't match %x\n",fname,dirtype)); - continue; - } - - size = sbuf.st_size; - mdate = sbuf.st_mtime; - adate = sbuf.st_atime; - cdate = sbuf.st_ctime; - if(mode & aDIR) - size = 0; - - DEBUG(5,("get_lanman2_dir_entry found %s fname=%s\n",pathreal,fname)); - - found = True; - } - } - - - - p = pdata; - nameptr = p; - - name_map_mangle(fname,False,SNUM(cnum)); - - nt_extmode = mode ? mode : NT_FILE_ATTRIBUTE_NORMAL; - - switch (info_level) - { - case 1: - if(requires_resume_key) { - SIVAL(p,0,reskey); - p += 4; - } - put_dos_date2(p,l1_fdateCreation,cdate); - put_dos_date2(p,l1_fdateLastAccess,adate); - put_dos_date2(p,l1_fdateLastWrite,mdate); - SIVAL(p,l1_cbFile,size); - SIVAL(p,l1_cbFileAlloc,ROUNDUP(size,1024)); - SSVAL(p,l1_attrFile,mode); - SCVAL(p,l1_cchName,strlen(fname)); - strcpy(p + l1_achName, fname); - nameptr = p + l1_achName; - p += l1_achName + strlen(fname) + 1; - break; - - case 2: - /* info_level 2 */ - if(requires_resume_key) { - SIVAL(p,0,reskey); - p += 4; - } - put_dos_date2(p,l2_fdateCreation,cdate); - put_dos_date2(p,l2_fdateLastAccess,adate); - put_dos_date2(p,l2_fdateLastWrite,mdate); - SIVAL(p,l2_cbFile,size); - SIVAL(p,l2_cbFileAlloc,ROUNDUP(size,1024)); - SSVAL(p,l2_attrFile,mode); - SIVAL(p,l2_cbList,0); /* No extended attributes */ - SCVAL(p,l2_cchName,strlen(fname)); - strcpy(p + l2_achName, fname); - nameptr = p + l2_achName; - p += l2_achName + strlen(fname) + 1; - break; - - case 3: - SIVAL(p,0,reskey); - put_dos_date2(p,4,cdate); - put_dos_date2(p,8,adate); - put_dos_date2(p,12,mdate); - SIVAL(p,16,size); - SIVAL(p,20,ROUNDUP(size,1024)); - SSVAL(p,24,mode); - SIVAL(p,26,4); - CVAL(p,30) = strlen(fname); - strcpy(p+31, fname); - nameptr = p+31; - p += 31 + strlen(fname) + 1; - break; - - case 4: - if(requires_resume_key) { - SIVAL(p,0,reskey); - p += 4; - } - SIVAL(p,0,33+strlen(fname)+1); - put_dos_date2(p,4,cdate); - put_dos_date2(p,8,adate); - put_dos_date2(p,12,mdate); - SIVAL(p,16,size); - SIVAL(p,20,ROUNDUP(size,1024)); - SSVAL(p,24,mode); - CVAL(p,32) = strlen(fname); - strcpy(p + 33, fname); - nameptr = p+33; - p += 33 + strlen(fname) + 1; - break; - - case SMB_FIND_FILE_BOTH_DIRECTORY_INFO: - was_8_3 = is_8_3(fname, True); - len = 94+strlen(fname); - len = (len + 3) & ~3; - SIVAL(p,0,len); p += 4; - SIVAL(p,0,reskey); p += 4; - put_long_date(p,cdate); p += 8; - put_long_date(p,adate); p += 8; - put_long_date(p,mdate); p += 8; - put_long_date(p,mdate); p += 8; - SIVAL(p,0,size); p += 8; - SIVAL(p,0,size); p += 8; - SIVAL(p,0,nt_extmode); p += 4; - SIVAL(p,0,strlen(fname)); p += 4; - SIVAL(p,0,0); p += 4; - if (!was_8_3) { - strcpy(p+2,fname); - if (!name_map_mangle(p+2,True,SNUM(cnum))) - (p+2)[12] = 0; - } else - *(p+2) = 0; - strupper(p+2); - SSVAL(p,0,strlen(p+2)); - p += 2 + 24; - /* nameptr = p; */ - strcpy(p,fname); p += strlen(p); - p = pdata + len; - break; - - case SMB_FIND_FILE_DIRECTORY_INFO: - len = 64+strlen(fname); - len = (len + 3) & ~3; - SIVAL(p,0,len); p += 4; - SIVAL(p,0,reskey); p += 4; - put_long_date(p,cdate); p += 8; - put_long_date(p,adate); p += 8; - put_long_date(p,mdate); p += 8; - put_long_date(p,mdate); p += 8; - SIVAL(p,0,size); p += 8; - SIVAL(p,0,size); p += 8; - SIVAL(p,0,nt_extmode); p += 4; - SIVAL(p,0,strlen(fname)); p += 4; - strcpy(p,fname); - p = pdata + len; - break; - - - case SMB_FIND_FILE_FULL_DIRECTORY_INFO: - len = 68+strlen(fname); - len = (len + 3) & ~3; - SIVAL(p,0,len); p += 4; - SIVAL(p,0,reskey); p += 4; - put_long_date(p,cdate); p += 8; - put_long_date(p,adate); p += 8; - put_long_date(p,mdate); p += 8; - put_long_date(p,mdate); p += 8; - SIVAL(p,0,size); p += 8; - SIVAL(p,0,size); p += 8; - SIVAL(p,0,nt_extmode); p += 4; - SIVAL(p,0,strlen(fname)); p += 4; - SIVAL(p,0,0); p += 4; - strcpy(p,fname); - p = pdata + len; - break; - - case SMB_FIND_FILE_NAMES_INFO: - len = 12+strlen(fname); - len = (len + 3) & ~3; - SIVAL(p,0,len); p += 4; - SIVAL(p,0,reskey); p += 4; - SIVAL(p,0,strlen(fname)); p += 4; - strcpy(p,fname); - p = pdata + len; - break; - - default: - return(False); - } - - - if (PTR_DIFF(p,pdata) > space_remaining) { - /* Move the dirptr back to prev_dirpos */ - SeekDir(Connections[cnum].dirptr, prev_dirpos); - *out_of_space = True; - DEBUG(9,("get_lanman2_dir_entry: out of space\n")); - return False; /* Not finished - just out of space */ - } - - /* Setup the last_filename pointer, as an offset from base_data */ - *last_name_off = PTR_DIFF(nameptr,base_data); - /* Advance the data pointer to the next slot */ - *ppdata = p; - return(found); -} - -/**************************************************************************** - reply to a TRANS2_FINDFIRST -****************************************************************************/ -static int call_trans2findfirst(char *inbuf, char *outbuf, int bufsize, int cnum, - char **pparams, char **ppdata) -{ - /* We must be careful here that we don't return more than the - allowed number of data bytes. If this means returning fewer than - maxentries then so be it. We assume that the redirector has - enough room for the fixed number of parameter bytes it has - requested. */ - uint32 max_data_bytes = SVAL(inbuf, smb_mdrcnt); - char *params = *pparams; - char *pdata = *ppdata; - int dirtype = SVAL(params,0); - int maxentries = SVAL(params,2); - BOOL close_after_first = BITSETW(params+4,0); - BOOL close_if_end = BITSETW(params+4,1); - BOOL requires_resume_key = BITSETW(params+4,2); - int info_level = SVAL(params,6); - pstring directory; - pstring mask; - char *p, *wcard; - int last_name_off=0; - int dptr_num = -1; - int numentries = 0; - int i; - BOOL finished = False; - BOOL dont_descend = False; - BOOL out_of_space = False; - int space_remaining; - - *directory = *mask = 0; - - DEBUG(3,("call_trans2findfirst: dirtype = %d, maxentries = %d, close_after_first=%d, close_if_end = %d requires_resume_key = %d level = %d, max_data_bytes = %d\n", - dirtype, maxentries, close_after_first, close_if_end, requires_resume_key, - info_level, max_data_bytes)); - - switch (info_level) - { - case 1: - case 2: - case 3: - case 4: - case SMB_FIND_FILE_DIRECTORY_INFO: - case SMB_FIND_FILE_FULL_DIRECTORY_INFO: - case SMB_FIND_FILE_NAMES_INFO: - case SMB_FIND_FILE_BOTH_DIRECTORY_INFO: - break; - default: - return(ERROR(ERRDOS,ERRunknownlevel)); - } - - strcpy(directory, params + 12); /* Complete directory path with - wildcard mask appended */ - - DEBUG(5,("path=%s\n",directory)); - - unix_convert(directory,cnum,0); - if(!check_name(directory,cnum)) { - return(ERROR(ERRDOS,ERRbadpath)); - } - - p = strrchr(directory,'/'); - if(p == NULL) { - strcpy(mask,directory); - strcpy(directory,"./"); - } else { - strcpy(mask,p+1); - *p = 0; - } - - DEBUG(5,("dir=%s, mask = %s\n",directory, mask)); - - pdata = *ppdata = Realloc(*ppdata, max_data_bytes + 1024); - if(!*ppdata) - return(ERROR(ERRDOS,ERRnomem)); - bzero(pdata,max_data_bytes); - - /* Realloc the params space */ - params = *pparams = Realloc(*pparams, 10); - if(params == NULL) - return(ERROR(ERRDOS,ERRnomem)); - - dptr_num = dptr_create(cnum,directory, True ,SVAL(inbuf,smb_pid)); - if (dptr_num < 0) - return(ERROR(ERRDOS,ERRbadpath)); - - /* convert the formatted masks */ - { - p = mask; - while (*p) { - if (*p == '<') *p = '*'; - if (*p == '>') *p = '?'; - if (*p == '"') *p = '.'; - p++; - } - } - - /* a special case for 16 bit apps */ - if (strequal(mask,"????????.???")) strcpy(mask,"*"); - - /* handle broken clients that send us old 8.3 format */ - string_sub(mask,"????????","*"); - string_sub(mask,".???",".*"); - - /* Save the wildcard match and attribs we are using on this directory - - needed as lanman2 assumes these are being saved between calls */ - - if(!(wcard = strdup(mask))) { - dptr_close(dptr_num); - return(ERROR(ERRDOS,ERRnomem)); - } - - dptr_set_wcard(dptr_num, wcard); - dptr_set_attr(dptr_num, dirtype); - - DEBUG(4,("dptr_num is %d, wcard = %s, attr = %d\n",dptr_num, wcard, dirtype)); - - /* We don't need to check for VOL here as this is returned by - a different TRANS2 call. */ - - DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n", - Connections[cnum].dirpath,lp_dontdescend(SNUM(cnum)))); - if (in_list(Connections[cnum].dirpath,lp_dontdescend(SNUM(cnum)),case_sensitive)) - dont_descend = True; - - p = pdata; - space_remaining = max_data_bytes; - out_of_space = False; - - for (i=0;(i<maxentries) && !finished && !out_of_space;i++) - { - - /* this is a heuristic to avoid seeking the dirptr except when - absolutely necessary. It allows for a filename of about 40 chars */ - if (space_remaining < DIRLEN_GUESS && numentries > 0) - { - out_of_space = True; - finished = False; - } - else - { - finished = - !get_lanman2_dir_entry(cnum,mask,dirtype,info_level, - requires_resume_key,dont_descend, - &p,pdata,space_remaining, &out_of_space, - &last_name_off); - } - - if (finished && out_of_space) - finished = False; - - if (!finished && !out_of_space) - numentries++; - space_remaining = max_data_bytes - PTR_DIFF(p,pdata); - } - - /* Check if we can close the dirptr */ - if(close_after_first || (finished && close_if_end)) - { - dptr_close(dptr_num); - DEBUG(5,("call_trans2findfirst - (2) closing dptr_num %d\n", dptr_num)); - dptr_num = -1; - } - - /* At this point pdata points to numentries directory entries. */ - - /* Set up the return parameter block */ - SSVAL(params,0,dptr_num); - SSVAL(params,2,numentries); - SSVAL(params,4,finished); - SSVAL(params,6,0); /* Never an EA error */ - SSVAL(params,8,last_name_off); - - send_trans2_replies( outbuf, bufsize, params, 10, pdata, PTR_DIFF(p,pdata)); - - if ((! *directory) && dptr_path(dptr_num)) - sprintf(directory,"(%s)",dptr_path(dptr_num)); - - DEBUG(4,("%s %s mask=%s directory=%s cnum=%d dirtype=%d numentries=%d\n", - timestring(), - smb_fn_name(CVAL(inbuf,smb_com)), - mask,directory,cnum,dirtype,numentries)); - - return(-1); -} - - -/**************************************************************************** - reply to a TRANS2_FINDNEXT -****************************************************************************/ -static int call_trans2findnext(char *inbuf, char *outbuf, int length, int bufsize, - int cnum, char **pparams, char **ppdata) -{ - /* We must be careful here that we don't return more than the - allowed number of data bytes. If this means returning fewer than - maxentries then so be it. We assume that the redirector has - enough room for the fixed number of parameter bytes it has - requested. */ - int max_data_bytes = SVAL(inbuf, smb_mdrcnt); - char *params = *pparams; - char *pdata = *ppdata; - int16 dptr_num = SVAL(params,0); - int maxentries = SVAL(params,2); - uint16 info_level = SVAL(params,4); - uint32 resume_key = IVAL(params,6); - BOOL close_after_request = BITSETW(params+10,0); - BOOL close_if_end = BITSETW(params+10,1); - BOOL requires_resume_key = BITSETW(params+10,2); - BOOL continue_bit = BITSETW(params+10,3); - pstring mask; - pstring directory; - char *p; - uint16 dirtype; - int numentries = 0; - int i, last_name_off=0; - BOOL finished = False; - BOOL dont_descend = False; - BOOL out_of_space = False; - int space_remaining; - - *mask = *directory = 0; - - DEBUG(3,("call_trans2findnext: dirhandle = %d, max_data_bytes = %d, maxentries = %d, close_after_request=%d, close_if_end = %d requires_resume_key = %d resume_key = %d continue=%d level = %d\n", - dptr_num, max_data_bytes, maxentries, close_after_request, close_if_end, - requires_resume_key, resume_key, continue_bit, info_level)); - - switch (info_level) - { - case 1: - case 2: - case 3: - case 4: - case SMB_FIND_FILE_DIRECTORY_INFO: - case SMB_FIND_FILE_FULL_DIRECTORY_INFO: - case SMB_FIND_FILE_NAMES_INFO: - case SMB_FIND_FILE_BOTH_DIRECTORY_INFO: - break; - default: - return(ERROR(ERRDOS,ERRunknownlevel)); - } - - pdata = *ppdata = Realloc( *ppdata, max_data_bytes + 1024); - if(!*ppdata) - return(ERROR(ERRDOS,ERRnomem)); - bzero(pdata,max_data_bytes); - - /* Realloc the params space */ - params = *pparams = Realloc(*pparams, 6*SIZEOFWORD); - if(!params) - return(ERROR(ERRDOS,ERRnomem)); - - /* Check that the dptr is valid */ - if(!(Connections[cnum].dirptr = dptr_fetch_lanman2(params, dptr_num))) - return(ERROR(ERRDOS,ERRnofiles)); - - string_set(&Connections[cnum].dirpath,dptr_path(dptr_num)); - - /* Get the wildcard mask from the dptr */ - if((p = dptr_wcard(dptr_num))== NULL) { - DEBUG(2,("dptr_num %d has no wildcard\n", dptr_num)); - return (ERROR(ERRDOS,ERRnofiles)); - } - strcpy(mask, p); - strcpy(directory,Connections[cnum].dirpath); - - /* Get the attr mask from the dptr */ - dirtype = dptr_attr(dptr_num); - - DEBUG(3,("dptr_num is %d, mask = %s, attr = %x, dirptr=(0x%X,%d)\n", - dptr_num, mask, dirtype, - Connections[cnum].dirptr, - TellDir(Connections[cnum].dirptr))); - - /* We don't need to check for VOL here as this is returned by - a different TRANS2 call. */ - - DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",Connections[cnum].dirpath,lp_dontdescend(SNUM(cnum)))); - if (in_list(Connections[cnum].dirpath,lp_dontdescend(SNUM(cnum)),case_sensitive)) - dont_descend = True; - - p = pdata; - space_remaining = max_data_bytes; - out_of_space = False; - - /* If we have a resume key - seek to the correct position. */ - if(requires_resume_key && !continue_bit) - SeekDir(Connections[cnum].dirptr, resume_key); - - for (i=0;(i<(int)maxentries) && !finished && !out_of_space ;i++) - { - /* this is a heuristic to avoid seeking the dirptr except when - absolutely necessary. It allows for a filename of about 40 chars */ - if (space_remaining < DIRLEN_GUESS && numentries > 0) - { - out_of_space = True; - finished = False; - } - else - { - finished = - !get_lanman2_dir_entry(cnum,mask,dirtype,info_level, - requires_resume_key,dont_descend, - &p,pdata,space_remaining, &out_of_space, - &last_name_off); - } - - if (finished && out_of_space) - finished = False; - - if (!finished && !out_of_space) - numentries++; - space_remaining = max_data_bytes - PTR_DIFF(p,pdata); - } - - /* Check if we can close the dirptr */ - if(close_after_request || (finished && close_if_end)) - { - dptr_close(dptr_num); /* This frees up the saved mask */ - DEBUG(5,("call_trans2findnext: closing dptr_num = %d\n", dptr_num)); - dptr_num = -1; - } - - - /* Set up the return parameter block */ - SSVAL(params,0,numentries); - SSVAL(params,2,finished); - SSVAL(params,4,0); /* Never an EA error */ - SSVAL(params,6,last_name_off); - - send_trans2_replies( outbuf, bufsize, params, 8, pdata, PTR_DIFF(p,pdata)); - - if ((! *directory) && dptr_path(dptr_num)) - sprintf(directory,"(%s)",dptr_path(dptr_num)); - - DEBUG(3,("%s %s mask=%s directory=%s cnum=%d dirtype=%d numentries=%d\n", - timestring(), - smb_fn_name(CVAL(inbuf,smb_com)), - mask,directory,cnum,dirtype,numentries)); - - return(-1); -} - -/**************************************************************************** - reply to a TRANS2_QFSINFO (query filesystem info) -****************************************************************************/ -static int call_trans2qfsinfo(char *inbuf, char *outbuf, int length, int bufsize, - int cnum, char **pparams, char **ppdata) -{ - char *pdata = *ppdata; - char *params = *pparams; - uint16 info_level = SVAL(params,0); - int data_len; - struct stat st; - char *vname = volume_label(SNUM(cnum)); - - DEBUG(3,("call_trans2qfsinfo: cnum = %d, level = %d\n", cnum, info_level)); - - if(sys_stat(".",&st)!=0) { - DEBUG(2,("call_trans2qfsinfo: stat of . failed (%s)\n", strerror(errno))); - return (ERROR(ERRSRV,ERRinvdevice)); - } - - pdata = *ppdata = Realloc(*ppdata, 1024); bzero(pdata,1024); - - switch (info_level) - { - case 1: - { - int dfree,dsize,bsize; - data_len = 18; - sys_disk_free(".",&bsize,&dfree,&dsize); - SIVAL(pdata,l1_idFileSystem,st.st_dev); - SIVAL(pdata,l1_cSectorUnit,bsize/512); - SIVAL(pdata,l1_cUnit,dsize); - SIVAL(pdata,l1_cUnitAvail,dfree); - SSVAL(pdata,l1_cbSector,512); - DEBUG(5,("call_trans2qfsinfo : bsize=%d, id=%x, cSectorUnit=%d, cUnit=%d, cUnitAvail=%d, cbSector=%d\n", - bsize, st.st_dev, bsize/512, dsize, dfree, 512)); - break; - } - case 2: - { - /* Return volume name */ - int volname_len = MIN(strlen(vname),11); - data_len = l2_vol_szVolLabel + volname_len + 1; - put_dos_date2(pdata,l2_vol_fdateCreation,st.st_ctime); - SCVAL(pdata,l2_vol_cch,volname_len); - StrnCpy(pdata+l2_vol_szVolLabel,vname,volname_len); - DEBUG(5,("call_trans2qfsinfo : time = %x, namelen = %d, name = %s\n",st.st_ctime,volname_len, - pdata+l2_vol_szVolLabel)); - break; - } - case SMB_QUERY_FS_ATTRIBUTE_INFO: - data_len = 12 + 2*strlen(FSTYPE_STRING); - SIVAL(pdata,0,0x4006); /* FS ATTRIBUTES == long filenames supported? */ - SIVAL(pdata,4,128); /* Max filename component length */ - SIVAL(pdata,8,2*strlen(FSTYPE_STRING)); - PutUniCode(pdata+12,FSTYPE_STRING); - break; - case SMB_QUERY_FS_LABEL_INFO: - data_len = 4 + strlen(vname); - SIVAL(pdata,0,strlen(vname)); - strcpy(pdata+4,vname); - break; - case SMB_QUERY_FS_VOLUME_INFO: - data_len = 18 + 2*strlen(vname); - SIVAL(pdata,12,2*strlen(vname)); - PutUniCode(pdata+18,vname); - DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol = %s\n", strlen(vname), - vname)); - break; - case SMB_QUERY_FS_SIZE_INFO: - { - int dfree,dsize,bsize; - data_len = 24; - sys_disk_free(".",&bsize,&dfree,&dsize); - SIVAL(pdata,0,dsize); - SIVAL(pdata,8,dfree); - SIVAL(pdata,16,bsize/512); - SIVAL(pdata,20,512); - } - break; - case SMB_QUERY_FS_DEVICE_INFO: - data_len = 8; - SIVAL(pdata,0,0); /* dev type */ - SIVAL(pdata,4,0); /* characteristics */ - break; - default: - return(ERROR(ERRDOS,ERRunknownlevel)); - } - - - send_trans2_replies( outbuf, bufsize, params, 0, pdata, data_len); - - DEBUG(4,("%s %s info_level =%d\n",timestring(),smb_fn_name(CVAL(inbuf,smb_com)), info_level)); - - return -1; -} - -/**************************************************************************** - reply to a TRANS2_SETFSINFO (set filesystem info) -****************************************************************************/ -static int call_trans2setfsinfo(char *inbuf, char *outbuf, int length, int bufsize, - int cnum, char **pparams, char **ppdata) -{ - /* Just say yes we did it - there is nothing that - can be set here so it doesn't matter. */ - int outsize; - DEBUG(3,("call_trans2setfsinfo\n")); - - if (!CAN_WRITE(cnum)) - return(ERROR(ERRSRV,ERRaccess)); - - outsize = set_message(outbuf,10,0,True); - - return outsize; -} - -/**************************************************************************** - reply to a TRANS2_QFILEINFO (query file info by fileid) -****************************************************************************/ -static int call_trans2qfilepathinfo(char *inbuf, char *outbuf, int length, - int bufsize,int cnum, - char **pparams,char **ppdata, - int total_data) -{ - char *params = *pparams; - char *pdata = *ppdata; - uint16 tran_call = SVAL(inbuf, smb_setup0); - uint16 info_level; - int mode=0; - int size=0; - unsigned int data_size; - struct stat sbuf; - pstring fname1; - char *fname; - char *p; - int l,pos; - - - if (tran_call == TRANSACT2_QFILEINFO) { - int16 fnum = SVALS(params,0); - info_level = SVAL(params,2); - - CHECK_FNUM(fnum,cnum); - CHECK_ERROR(fnum); - - fname = Files[fnum].name; - if (fstat(Files[fnum].fd_ptr->fd,&sbuf) != 0) { - DEBUG(3,("fstat of fnum %d failed (%s)\n",fnum, strerror(errno))); - return(UNIXERROR(ERRDOS,ERRbadfid)); - } - pos = lseek(Files[fnum].fd_ptr->fd,0,SEEK_CUR); - } else { - /* qpathinfo */ - info_level = SVAL(params,0); - fname = &fname1[0]; - strcpy(fname,¶ms[6]); - unix_convert(fname,cnum,0); - if (!check_name(fname,cnum) || sys_stat(fname,&sbuf)) { - DEBUG(3,("fileinfo of %s failed (%s)\n",fname,strerror(errno))); - return(UNIXERROR(ERRDOS,ERRbadpath)); - } - pos = 0; - } - - - DEBUG(3,("call_trans2qfilepathinfo %s level=%d call=%d total_data=%d\n", - fname,info_level,tran_call,total_data)); - - p = strrchr(fname,'/'); - if (!p) - p = fname; - else - p++; - l = strlen(p); - mode = dos_mode(cnum,fname,&sbuf); - size = sbuf.st_size; - if (mode & aDIR) size = 0; - - params = *pparams = Realloc(*pparams,2); bzero(params,2); - data_size = 1024; - pdata = *ppdata = Realloc(*ppdata, data_size); - - if (total_data > 0 && IVAL(pdata,0) == total_data) { - /* uggh, EAs for OS2 */ - DEBUG(4,("Rejecting EA request with total_data=%d\n",total_data)); -#if 0 - SSVAL(params,0,ERROR_EAS_NOT_SUPPORTED); - send_trans2_replies(outbuf, bufsize, params, 2, *ppdata, 0); - return(-1); -#else - return(ERROR(ERRDOS,ERROR_EAS_NOT_SUPPORTED)); -#endif - } - - bzero(pdata,data_size); - - switch (info_level) - { - case 1: - case 2: - data_size = (info_level==1?22:26); - put_dos_date2(pdata,l1_fdateCreation,sbuf.st_ctime); - put_dos_date2(pdata,l1_fdateLastAccess,sbuf.st_atime); - put_dos_date2(pdata,l1_fdateLastWrite,sbuf.st_mtime); - SIVAL(pdata,l1_cbFile,size); - SIVAL(pdata,l1_cbFileAlloc,ROUNDUP(size,1024)); - SSVAL(pdata,l1_attrFile,mode); - SIVAL(pdata,l1_attrFile+2,4); /* this is what OS2 does */ - break; - - case 3: - data_size = 24; - put_dos_date2(pdata,0,sbuf.st_ctime); - put_dos_date2(pdata,4,sbuf.st_atime); - put_dos_date2(pdata,8,sbuf.st_mtime); - SIVAL(pdata,12,size); - SIVAL(pdata,16,ROUNDUP(size,1024)); - SIVAL(pdata,20,mode); - break; - - case 4: - data_size = 4; - SIVAL(pdata,0,data_size); - break; - - case 6: - return(ERROR(ERRDOS,ERRbadfunc)); /* os/2 needs this */ - - case SMB_QUERY_FILE_BASIC_INFO: - data_size = 36; - put_long_date(pdata,sbuf.st_ctime); - put_long_date(pdata+8,sbuf.st_atime); - put_long_date(pdata+16,sbuf.st_mtime); - put_long_date(pdata+24,sbuf.st_mtime); - SIVAL(pdata,32,mode); - break; - - case SMB_QUERY_FILE_STANDARD_INFO: - data_size = 22; - SIVAL(pdata,0,size); - SIVAL(pdata,8,size); - SIVAL(pdata,16,sbuf.st_nlink); - CVAL(pdata,20) = 0; - CVAL(pdata,21) = (mode&aDIR)?1:0; - break; - - case SMB_QUERY_FILE_EA_INFO: - data_size = 4; - break; - - case SMB_QUERY_FILE_NAME_INFO: - case SMB_QUERY_FILE_ALT_NAME_INFO: - data_size = 4 + l; - SIVAL(pdata,0,l); - strcpy(pdata+4,fname); - break; - case SMB_QUERY_FILE_ALLOCATION_INFO: - case SMB_QUERY_FILE_END_OF_FILEINFO: - data_size = 8; - SIVAL(pdata,0,size); - break; - - case SMB_QUERY_FILE_ALL_INFO: - put_long_date(pdata,sbuf.st_ctime); - put_long_date(pdata+8,sbuf.st_atime); - put_long_date(pdata+16,sbuf.st_mtime); - put_long_date(pdata+24,sbuf.st_mtime); - SIVAL(pdata,32,mode); - pdata += 40; - SIVAL(pdata,0,size); - SIVAL(pdata,8,size); - SIVAL(pdata,16,sbuf.st_nlink); - CVAL(pdata,20) = 0; - CVAL(pdata,21) = (mode&aDIR)?1:0; - pdata += 24; - pdata += 8; /* index number */ - pdata += 4; /* EA info */ - if (mode & aRONLY) - SIVAL(pdata,0,0xA9); - else - SIVAL(pdata,0,0xd01BF); - pdata += 4; - SIVAL(pdata,0,pos); /* current offset */ - pdata += 8; - SIVAL(pdata,0,mode); /* is this the right sort of mode info? */ - pdata += 4; - pdata += 4; /* alignment */ - SIVAL(pdata,0,l); - strcpy(pdata+4,fname); - pdata += 4 + l; - data_size = PTR_DIFF(pdata,(*ppdata)); - break; - - case SMB_QUERY_FILE_STREAM_INFO: - data_size = 24 + l; - SIVAL(pdata,0,pos); - SIVAL(pdata,4,size); - SIVAL(pdata,12,size); - SIVAL(pdata,20,l); - strcpy(pdata+24,fname); - break; - default: - return(ERROR(ERRDOS,ERRunknownlevel)); - } - - send_trans2_replies( outbuf, bufsize, params, 2, *ppdata, data_size); - - return(-1); -} - -/**************************************************************************** - reply to a TRANS2_SETFILEINFO (set file info by fileid) -****************************************************************************/ -static int call_trans2setfilepathinfo(char *inbuf, char *outbuf, int length, - int bufsize, int cnum, char **pparams, - char **ppdata, int total_data) -{ - char *params = *pparams; - char *pdata = *ppdata; - uint16 tran_call = SVAL(inbuf, smb_setup0); - uint16 info_level; - int mode=0; - int size=0; - struct utimbuf tvs; - struct stat st; - pstring fname1; - char *fname; - int fd = -1; - - if (!CAN_WRITE(cnum)) - return(ERROR(ERRSRV,ERRaccess)); - - if (tran_call == TRANSACT2_SETFILEINFO) { - int16 fnum = SVALS(params,0); - info_level = SVAL(params,2); - - CHECK_FNUM(fnum,cnum); - CHECK_ERROR(fnum); - - fname = Files[fnum].name; - fd = Files[fnum].fd_ptr->fd; - - if(fstat(fd,&st)!=0) { - DEBUG(3,("fstat of %s failed (%s)\n", fname, strerror(errno))); - return(ERROR(ERRDOS,ERRbadpath)); - } - } else { - /* set path info */ - info_level = SVAL(params,0); - fname = fname1; - strcpy(fname,¶ms[6]); - unix_convert(fname,cnum,0); - if(!check_name(fname, cnum)) - return(ERROR(ERRDOS,ERRbadpath)); - - if(sys_stat(fname,&st)!=0) { - DEBUG(3,("stat of %s failed (%s)\n", fname, strerror(errno))); - return(ERROR(ERRDOS,ERRbadpath)); - } - } - - DEBUG(3,("call_trans2setfilepathinfo(%d) %s info_level=%d totdata=%d\n", - tran_call,fname,info_level,total_data)); - - /* Realloc the parameter and data sizes */ - params = *pparams = Realloc(*pparams,2); SSVAL(params,0,0); - if(params == NULL) - return(ERROR(ERRDOS,ERRnomem)); - - size = st.st_size; - tvs.modtime = st.st_mtime; - tvs.actime = st.st_atime; - mode = dos_mode(cnum,fname,&st); - - if (total_data > 0 && IVAL(pdata,0) == total_data) { - /* uggh, EAs for OS2 */ - DEBUG(4,("Rejecting EA request with total_data=%d\n",total_data)); - SSVAL(params,0,ERROR_EAS_NOT_SUPPORTED); - - send_trans2_replies(outbuf, bufsize, params, 2, *ppdata, 0); - - return(-1); - } - - switch (info_level) - { - case 1: - tvs.actime = make_unix_date2(pdata+l1_fdateLastAccess); - tvs.modtime = make_unix_date2(pdata+l1_fdateLastWrite); - mode = SVAL(pdata,l1_attrFile); - size = IVAL(pdata,l1_cbFile); - break; - - case 2: - tvs.actime = make_unix_date2(pdata+l1_fdateLastAccess); - tvs.modtime = make_unix_date2(pdata+l1_fdateLastWrite); - mode = SVAL(pdata,l1_attrFile); - size = IVAL(pdata,l1_cbFile); - break; - - case 3: - tvs.actime = make_unix_date2(pdata+8); - tvs.modtime = make_unix_date2(pdata+12); - size = IVAL(pdata,16); - mode = IVAL(pdata,24); - break; - - case 4: - tvs.actime = make_unix_date2(pdata+8); - tvs.modtime = make_unix_date2(pdata+12); - size = IVAL(pdata,16); - mode = IVAL(pdata,24); - break; - - case SMB_SET_FILE_BASIC_INFO: - pdata += 8; /* create time */ - tvs.actime = interpret_long_date(pdata); pdata += 8; - tvs.modtime=MAX(interpret_long_date(pdata),interpret_long_date(pdata+8)); - pdata += 16; - mode = IVAL(pdata,0); - break; - - case SMB_SET_FILE_END_OF_FILE_INFO: - if (IVAL(pdata,4) != 0) /* more than 32 bits? */ - return(ERROR(ERRDOS,ERRunknownlevel)); - size = IVAL(pdata,0); - break; - - case SMB_SET_FILE_DISPOSITION_INFO: /* not supported yet */ - case SMB_SET_FILE_ALLOCATION_INFO: /* not supported yet */ - default: - return(ERROR(ERRDOS,ERRunknownlevel)); - } - - - if (!tvs.actime) tvs.actime = st.st_atime; - if (!tvs.modtime) tvs.modtime = st.st_mtime; - if (!size) size = st.st_size; - - /* Try and set the times, size and mode of this file - if they are different - from the current values */ - if(st.st_mtime != tvs.modtime || st.st_atime != tvs.actime) { - if(sys_utime(fname, &tvs)!=0) - return(ERROR(ERRDOS,ERRnoaccess)); - } - if(mode != dos_mode(cnum,fname,&st) && dos_chmod(cnum,fname,mode,NULL)) { - DEBUG(2,("chmod of %s failed (%s)\n", fname, strerror(errno))); - return(ERROR(ERRDOS,ERRnoaccess)); - } - if(size != st.st_size) { - if (fd == -1) { - fd = sys_open(fname,O_RDWR,0); - if (fd == -1) - return(ERROR(ERRDOS,ERRbadpath)); - set_filelen(fd, size); - close(fd); - } else { - set_filelen(fd, size); - } - } - - SSVAL(params,0,0); - - send_trans2_replies(outbuf, bufsize, params, 2, *ppdata, 0); - - return(-1); -} - -/**************************************************************************** - reply to a TRANS2_MKDIR (make directory with extended attributes). -****************************************************************************/ -static int call_trans2mkdir(char *inbuf, char *outbuf, int length, int bufsize, - int cnum, char **pparams, char **ppdata) -{ - char *params = *pparams; - pstring directory; - int ret = -1; - - if (!CAN_WRITE(cnum)) - return(ERROR(ERRSRV,ERRaccess)); - - strcpy(directory, ¶ms[4]); - - DEBUG(3,("call_trans2mkdir : name = %s\n", directory)); - - unix_convert(directory,cnum,0); - if (check_name(directory,cnum)) - ret = sys_mkdir(directory,unix_mode(cnum,aDIR)); - - if(ret < 0) - { - DEBUG(5,("call_trans2mkdir error (%s)\n", strerror(errno))); - return(UNIXERROR(ERRDOS,ERRnoaccess)); - } - - /* Realloc the parameter and data sizes */ - params = *pparams = Realloc(*pparams,2); - if(params == NULL) - return(ERROR(ERRDOS,ERRnomem)); - - SSVAL(params,0,0); - - send_trans2_replies(outbuf, bufsize, params, 2, *ppdata, 0); - - return(-1); -} - -/**************************************************************************** - reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes) - We don't actually do this - we just send a null response. -****************************************************************************/ -static int call_trans2findnotifyfirst(char *inbuf, char *outbuf, int length, int bufsize, - int cnum, char **pparams, char **ppdata) -{ - static uint16 fnf_handle = 257; - char *params = *pparams; - uint16 info_level = SVAL(params,4); - - DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level)); - - switch (info_level) - { - case 1: - case 2: - break; - default: - return(ERROR(ERRDOS,ERRunknownlevel)); - } - - /* Realloc the parameter and data sizes */ - params = *pparams = Realloc(*pparams,6); - if(params == NULL) - return(ERROR(ERRDOS,ERRnomem)); - - SSVAL(params,0,fnf_handle); - SSVAL(params,2,0); /* No changes */ - SSVAL(params,4,0); /* No EA errors */ - - fnf_handle++; - - if(fnf_handle == 0) - fnf_handle = 257; - - send_trans2_replies(outbuf, bufsize, params, 6, *ppdata, 0); - - return(-1); -} - -/**************************************************************************** - reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for - changes). Currently this does nothing. -****************************************************************************/ -static int call_trans2findnotifynext(char *inbuf, char *outbuf, int length, int bufsize, - int cnum, char **pparams, char **ppdata) -{ - char *params = *pparams; - - DEBUG(3,("call_trans2findnotifynext\n")); - - /* Realloc the parameter and data sizes */ - params = *pparams = Realloc(*pparams,4); - if(params == NULL) - return(ERROR(ERRDOS,ERRnomem)); - - SSVAL(params,0,0); /* No changes */ - SSVAL(params,2,0); /* No EA errors */ - - send_trans2_replies(outbuf, bufsize, params, 4, *ppdata, 0); - - return(-1); -} - -/**************************************************************************** - reply to a SMBfindclose (stop trans2 directory search) -****************************************************************************/ -int reply_findclose(char *inbuf,char *outbuf,int length,int bufsize) -{ - int cnum; - int outsize = 0; - int16 dptr_num=SVALS(inbuf,smb_vwv0); - - cnum = SVAL(inbuf,smb_tid); - - DEBUG(3,("reply_findclose, cnum = %d, dptr_num = %d\n", cnum, dptr_num)); - - dptr_close(dptr_num); - - outsize = set_message(outbuf,0,0,True); - - DEBUG(3,("%s SMBfindclose cnum=%d, dptr_num = %d\n",timestring(),cnum,dptr_num)); - - return(outsize); -} - -/**************************************************************************** - reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search) -****************************************************************************/ -int reply_findnclose(char *inbuf,char *outbuf,int length,int bufsize) -{ - int cnum; - int outsize = 0; - int dptr_num= -1; - - cnum = SVAL(inbuf,smb_tid); - dptr_num = SVAL(inbuf,smb_vwv0); - - DEBUG(3,("reply_findnclose, cnum = %d, dptr_num = %d\n", cnum, dptr_num)); - - /* We never give out valid handles for a - findnotifyfirst - so any dptr_num is ok here. - Just ignore it. */ - - outsize = set_message(outbuf,0,0,True); - - DEBUG(3,("%s SMB_findnclose cnum=%d, dptr_num = %d\n",timestring(),cnum,dptr_num)); - - return(outsize); -} - - -/**************************************************************************** - reply to a SMBtranss2 - just ignore it! -****************************************************************************/ -int reply_transs2(char *inbuf,char *outbuf,int length,int bufsize) -{ - DEBUG(4,("Ignoring transs2 of length %d\n",length)); - return(-1); -} - -/**************************************************************************** - reply to a SMBtrans2 -****************************************************************************/ -int reply_trans2(char *inbuf,char *outbuf,int length,int bufsize) -{ - int outsize = 0; - int cnum = SVAL(inbuf,smb_tid); - unsigned int total_params = SVAL(inbuf, smb_tpscnt); - unsigned int total_data =SVAL(inbuf, smb_tdscnt); -#if 0 - unsigned int max_param_reply = SVAL(inbuf, smb_mprcnt); - unsigned int max_data_reply = SVAL(inbuf, smb_mdrcnt); - unsigned int max_setup_fields = SVAL(inbuf, smb_msrcnt); - BOOL close_tid = BITSETW(inbuf+smb_flags,0); - BOOL no_final_response = BITSETW(inbuf+smb_flags,1); - int32 timeout = IVALS(inbuf,smb_timeout); -#endif - unsigned int suwcnt = SVAL(inbuf, smb_suwcnt); - unsigned int tran_call = SVAL(inbuf, smb_setup0); - char *params = NULL, *data = NULL; - int num_params, num_params_sofar, num_data, num_data_sofar; - - outsize = set_message(outbuf,0,0,True); - - /* All trans2 messages we handle have smb_sucnt == 1 - ensure this - is so as a sanity check */ - if(suwcnt != 1 ) - { - DEBUG(2,("Invalid smb_sucnt in trans2 call\n")); - return(ERROR(ERRSRV,ERRerror)); - } - - /* Allocate the space for the maximum needed parameters and data */ - if (total_params > 0) - params = (char *)malloc(total_params); - if (total_data > 0) - data = (char *)malloc(total_data); - - if ((total_params && !params) || (total_data && !data)) - { - DEBUG(2,("Out of memory in reply_trans2\n")); - return(ERROR(ERRDOS,ERRnomem)); - } - - /* Copy the param and data bytes sent with this request into - the params buffer */ - num_params = num_params_sofar = SVAL(inbuf,smb_pscnt); - num_data = num_data_sofar = SVAL(inbuf, smb_dscnt); - - memcpy( params, smb_base(inbuf) + SVAL(inbuf, smb_psoff), num_params); - memcpy( data, smb_base(inbuf) + SVAL(inbuf, smb_dsoff), num_data); - - if(num_data_sofar < total_data || num_params_sofar < total_params) - { - /* We need to send an interim response then receive the rest - of the parameter/data bytes */ - outsize = set_message(outbuf,0,0,True); - send_smb(Client,outbuf); - - while( num_data_sofar < total_data || num_params_sofar < total_params) - { - if(!receive_smb(Client,inbuf, SMB_SECONDARY_WAIT) || - CVAL(inbuf, smb_com) != SMBtranss2) - { - outsize = set_message(outbuf,0,0,True); - DEBUG(2,("Invalid secondary trans2 packet\n")); - free(params); - free(data); - return(ERROR(ERRSRV,ERRerror)); - } - - /* Revise total_params and total_data in case they have changed downwards */ - total_params = SVAL(inbuf, smb_tpscnt); - total_data = SVAL(inbuf, smb_tdscnt); - num_params_sofar += (num_params = SVAL(inbuf,smb_spscnt)); - num_data_sofar += ( num_data = SVAL(inbuf, smb_sdscnt)); - memcpy( ¶ms[ SVAL(inbuf, smb_spsdisp)], - smb_base(inbuf) + SVAL(inbuf, smb_spsoff), num_params); - memcpy( &data[SVAL(inbuf, smb_sdsdisp)], - smb_base(inbuf)+ SVAL(inbuf, smb_sdsoff), num_data); - } - } - - if (Protocol >= PROTOCOL_NT1) { - uint16 flg2 = SVAL(outbuf,smb_flg2); - SSVAL(outbuf,smb_flg2,flg2 | 0x40); /* IS_LONG_NAME */ - } - - /* Now we must call the relevant TRANS2 function */ - switch(tran_call) - { - case TRANSACT2_OPEN: - outsize = call_trans2open(inbuf, outbuf, bufsize, cnum, ¶ms, &data); - break; - case TRANSACT2_FINDFIRST: - outsize = call_trans2findfirst(inbuf, outbuf, bufsize, cnum, ¶ms, &data); - break; - case TRANSACT2_FINDNEXT: - outsize = call_trans2findnext(inbuf, outbuf, length, bufsize, cnum, ¶ms, &data); - break; - case TRANSACT2_QFSINFO: - outsize = call_trans2qfsinfo(inbuf, outbuf, length, bufsize, cnum, ¶ms, &data); - break; - case TRANSACT2_SETFSINFO: - outsize = call_trans2setfsinfo(inbuf, outbuf, length, bufsize, cnum, ¶ms, &data); - break; - case TRANSACT2_QPATHINFO: - case TRANSACT2_QFILEINFO: - outsize = call_trans2qfilepathinfo(inbuf, outbuf, length, bufsize, cnum, ¶ms, &data, total_data); - break; - case TRANSACT2_SETPATHINFO: - case TRANSACT2_SETFILEINFO: - outsize = call_trans2setfilepathinfo(inbuf, outbuf, length, bufsize, cnum, ¶ms, &data, total_data); - break; - case TRANSACT2_FINDNOTIFYFIRST: - outsize = call_trans2findnotifyfirst(inbuf, outbuf, length, bufsize, cnum, ¶ms, &data); - break; - case TRANSACT2_FINDNOTIFYNEXT: - outsize = call_trans2findnotifynext(inbuf, outbuf, length, bufsize, cnum, ¶ms, &data); - break; - case TRANSACT2_MKDIR: - outsize = call_trans2mkdir(inbuf, outbuf, length, bufsize, cnum, ¶ms, &data); - break; - default: - /* Error in request */ - DEBUG(2,("%s Unknown request %d in trans2 call\n",timestring(), tran_call)); - if(params) - free(params); - if(data) - free(data); - return (ERROR(ERRSRV,ERRerror)); - } - - /* As we do not know how many data packets will need to be - returned here the various call_trans2xxxx calls - must send their own. Thus a call_trans2xxx routine only - returns a value other than -1 when it wants to send - an error packet. - */ - - if(params) - free(params); - if(data) - free(data); - return outsize; /* If a correct response was needed the call_trans2xxx - calls have already sent it. If outsize != -1 then it is - returning an error packet. */ -} |