/*
Unix SMB/CIFS implementation.
SMB NT transaction handling
- Copyright (C) Jeremy Allison 1994-1998
+ Copyright (C) Jeremy Allison 1994-1998
+ Copyright (C) Stefan (metze) Metzmacher 2003
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
extern BOOL case_sensitive;
extern BOOL case_preserve;
extern BOOL short_case_preserve;
+extern struct current_user current_user;
-static char *known_nt_pipes[] = {
+static const char *known_nt_pipes[] = {
"\\LANMAN",
"\\srvsvc",
"\\samr",
"\\winreg",
"\\spoolss",
"\\netdfs",
+ "\\rpcecho",
NULL
};
FILE_GENERIC_ALL
};
+char *nttrans_realloc(char **ptr, size_t size)
+{
+ char *tptr = NULL;
+ if (ptr==NULL)
+ smb_panic("nttrans_realloc() called with NULL ptr\n");
+
+ tptr = Realloc_zero(*ptr, size);
+ if(tptr == NULL) {
+ *ptr = NULL;
+ return NULL;
+ }
+
+ *ptr = tptr;
+
+ return tptr;
+}
+
+
/****************************************************************************
Send the required number of replies back.
We assume all fields other than the data fields are
{
int result;
pstring fname;
+ enum FAKE_FILE_TYPE fake_file_type = 0;
uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
- SMB_OFF_T allocation_size = 0;
+ SMB_BIG_UINT allocation_size = 0;
int smb_ofun;
int smb_open_mode;
int smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
END_PROFILE(SMBntcreateX);
return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
}
+
+
+ /*
+ we need to handle the case when we get a
+ relative open relative to a file and the
+ pathname is blank - this is a reopen!
+ (hint from demyn plantenberg)
+ */
+
+
END_PROFILE(SMBntcreateX);
return(ERROR_DOS(ERRDOS,ERRbadfid));
}
*/
if( strchr_m(fname, ':')) {
- END_PROFILE(SMBntcreateX);
- return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+
+#ifdef WITH_QUOTAS
+ if ((fake_file_type=is_fake_file(fname))!=0) {
+ /*
+ * here we go! support for changing the disk quotas --metze
+ *
+ * we need to fake up to open this MAGIC QUOTA file
+ * and return a valid FID
+ *
+ * w2k close this file directly after openening
+ * xp also tries a QUERY_FILE_INFO on the file and then close it
+ */
+ } else {
+#endif
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+#ifdef WITH_QUOTAS
+ }
+#endif
}
}
* before issuing an oplock break request to
* our client. JRA. */
- fsp = open_file_shared1(conn,fname,&sbuf,
+ if (fake_file_type==0) {
+ fsp = open_file_shared1(conn,fname,&sbuf,
desired_access,
smb_open_mode,
smb_ofun,unixmode, oplock_request,
&rmode,&smb_action);
-
+ } else {
+ /* to open a fake_file --metze */
+ fsp = open_fake_file_shared1(fake_file_type,conn,fname,&sbuf,
+ desired_access,
+ smb_open_mode,
+ smb_ofun,unixmode, oplock_request,
+ &rmode,&smb_action);
+ }
+
if (!fsp) {
/* We cheat here. There are two cases we
* care about. One is a directory rename,
}
/* Save the requested allocation size. */
- allocation_size = IVAL(inbuf,smb_ntcreate_AllocationSize);
+ allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
#ifdef LARGE_SMB_OFF_T
- allocation_size |= (((SMB_OFF_T)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
+ allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
#endif
- if (allocation_size && (allocation_size > file_len)) {
+ if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
close_file(fsp,False);
return ERROR_NT(NT_STATUS_DISK_FULL);
}
} else {
- fsp->initial_allocation_size = SMB_ROUNDUP(file_len,SMB_ROUNDUP_ALLOCATION_SIZE);
+ fsp->initial_allocation_size = SMB_ROUNDUP(((SMB_BIG_UINT)file_len),SMB_ROUNDUP_ALLOCATION_SIZE);
}
/*
p++;
SSVAL(p,0,fsp->fnum);
p += 2;
- SIVAL(p,0,smb_action);
+ if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
+ SIVAL(p,0,FILE_WAS_SUPERSEDED);
+ else
+ SIVAL(p,0,smb_action);
p += 4;
/* Create time. */
return ret;
/* Realloc the size of parameters and data we will return */
- params = Realloc(*ppparams, 69);
+ params = nttrans_realloc(ppparams, 69);
if(params == NULL)
return ERROR_DOS(ERRDOS,ERRnomem);
- *ppparams = params;
-
- memset((char *)params,'\0',69);
-
p = params;
SCVAL(p,0,NO_OPLOCK_RETURN);
* Init the parse struct we will unmarshall from.
*/
- if ((mem_ctx = talloc_init()) == NULL) {
+ if ((mem_ctx = talloc_init("set_sd")) == NULL) {
DEBUG(0,("set_sd: talloc_init failed.\n"));
return NT_STATUS_NO_MEMORY;
}
if (psd->off_dacl==0)
security_info_sent &= ~DACL_SECURITY_INFORMATION;
- ret = fsp->conn->vfs_ops.fset_nt_acl( fsp, fsp->fd, security_info_sent, psd);
+ ret = VFS_FSET_NT_ACL( fsp, fsp->fd, security_info_sent, psd);
if (!ret) {
talloc_destroy(mem_ctx);
uint32 create_options;
uint32 sd_len;
uint16 root_dir_fid;
- SMB_OFF_T allocation_size = 0;
+ SMB_BIG_UINT allocation_size = 0;
int smb_ofun;
int smb_open_mode;
int smb_attr;
restore_case_semantics(file_attributes);
/* Save the requested allocation size. */
- allocation_size = IVAL(params,12);
+ allocation_size = (SMB_BIG_UINT)IVAL(params,12);
#ifdef LARGE_SMB_OFF_T
- allocation_size |= (((SMB_OFF_T)IVAL(params,16)) << 32);
+ allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
#endif
if (allocation_size && (allocation_size > file_len)) {
fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
return ERROR_NT(NT_STATUS_DISK_FULL);
}
} else {
- fsp->initial_allocation_size = SMB_ROUNDUP(file_len,SMB_ROUNDUP_ALLOCATION_SIZE);
+ fsp->initial_allocation_size = SMB_ROUNDUP(((SMB_BIG_UINT)file_len),SMB_ROUNDUP_ALLOCATION_SIZE);
}
/* Realloc the size of parameters and data we will return */
- params = Realloc(*ppparams, 69);
+ params = nttrans_realloc(ppparams, 69);
if(params == NULL)
return ERROR_DOS(ERRDOS,ERRnomem);
- *ppparams = params;
-
- memset((char *)params,'\0',69);
-
p = params;
if (extended_oplock_granted)
SCVAL(p,0, BATCH_OPLOCK_RETURN);
p += 2;
SSVAL(p,0,fsp->fnum);
p += 2;
- SIVAL(p,0,smb_action);
+ if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
+ SIVAL(p,0,FILE_WAS_SUPERSEDED);
+ else
+ SIVAL(p,0,smb_action);
p += 8;
/* Create time. */
DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp->fsp_name ));
- params = Realloc(*ppparams, 4);
+ params = nttrans_realloc(ppparams, 4);
if(params == NULL)
return ERROR_DOS(ERRDOS,ERRnomem);
- *ppparams = params;
-
- if ((mem_ctx = talloc_init()) == NULL) {
+ if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
return ERROR_DOS(ERRDOS,ERRnomem);
}
if (!lp_nt_acl_support(SNUM(conn)))
sd_size = get_null_nt_acl(mem_ctx, &psd);
else
- sd_size = conn->vfs_ops.fget_nt_acl(fsp, fsp->fd, &psd);
+ sd_size = VFS_FGET_NT_ACL(fsp, fsp->fd, &psd);
if (sd_size == 0) {
talloc_destroy(mem_ctx);
* Allocate the data we will point this at.
*/
- data = Realloc(*ppdata, sd_size);
+ data = nttrans_realloc(ppdata, sd_size);
if(data == NULL) {
talloc_destroy(mem_ctx);
return ERROR_DOS(ERRDOS,ERRnomem);
}
- *ppdata = data;
-
- memset(data, '\0', sd_size);
-
/*
* Init the parse struct we will marshall into.
*/
{
unsigned fnum, control;
static BOOL logged_message;
+ char *pdata = *ppdata;
if (setup_count != 8) {
DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
fnum = SVAL(*ppsetup, 4);
control = IVAL(*ppsetup, 0);
- DEBUG(6,("call_nt_transact_ioctl: fnum=%d control=0x%x\n",
+ DEBUG(10,("call_nt_transact_ioctl: fnum=%d control=0x%08x\n",
fnum, control));
switch (control) {
- case NTIOCTL_SET_SPARSE:
+ case FSCTL_SET_SPARSE:
/* pretend this succeeded - tho strictly we should
mark the file sparse (if the local fs supports it)
so we can know if we need to pre-allocate or not */
+
+ DEBUG(10,("FSCTL_SET_SPARSE: fnum=%d control=0x%08x\n",fnum,control));
send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
return -1;
+
+ case FSCTL_0x000900C0:
+ /* pretend this succeeded - don't know what this really is
+ but works ok like this --metze
+ */
+ DEBUG(1,("FSCTL_GET_REPARSE_POINT: fnum=%d control=0x%08x\n",fnum,control));
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
+ return -1;
+
+ case FSCTL_GET_REPARSE_POINT:
+ /* pretend this fail - my winXP does it like this
+ * --metze
+ */
+
+ DEBUG(1,("FSCTL_GET_REPARSE_POINT: fnum=%d control=0x%08x\n",fnum,control));
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
+ return -1;
+
+ case FSCTL_SET_REPARSE_POINT:
+ /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
+ * --metze
+ */
+
+ DEBUG(1,("FSCTL_SET_REPARSE_POINT: fnum=%d control=0x%08x\n",fnum,control));
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
+ return -1;
+
+ case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
+ {
+ /* pretend this succeeded -
+ *
+ * we have to send back a list with all files owned by this SID
+ *
+ * but I have to check that --metze
+ */
+
+ DOM_SID sid;
+ uid_t uid;
+ size_t sid_len=SID_MAX_SIZE;
+
+ DEBUG(1,("FSCTL_FIND_FILES_BY_SID: fnum=%d control=0x%08x\n",fnum,control));
+
+ /* this is not the length of the sid :-( so unknown 4 bytes */
+ /*sid_len = IVAL(pdata,0);
+ DEBUGADD(0,("sid_len: (%u)\n",sid_len));*/
+
+ sid_parse(pdata+4,sid_len,&sid);
+ DEBUGADD(2,("SID: %s\n",sid_string_static(&sid)));
+
+ if (NT_STATUS_IS_ERR(sid_to_uid(&sid, &uid))) {
+ DEBUG(0,("sid_to_uid: failed, sid[%s]\n",
+ sid_string_static(&sid)));
+ uid = (-1);
+ }
+
+ /* we can take a look at the find source :-)
+ *
+ * find ./ -uid $uid -name '*' is what we need here
+ *
+ *
+ * and send 4bytes len and then NULL terminated unicode strings
+ * for each file
+ *
+ * but I don't know how to deal with the paged results
+ *
+ * we don't send all files at once
+ * and at the next we should *not* start from the beginning,
+ * so we have to cache the result
+ *
+ * --metze
+ */
+
+ /* this works for now... */
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
+ return -1;
+ }
default:
if (!logged_message) {
logged_message = True; /* Only print this once... */
- DEBUG(3,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
+ DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
control));
}
}
return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
}
-
+
+
+#ifdef WITH_QUOTAS
+/****************************************************************************
+ Reply to get user quota
+****************************************************************************/
+
+static int call_nt_transact_get_user_quota(connection_struct *conn,
+ char *inbuf, char *outbuf,
+ int length, int bufsize,
+ char **ppsetup, int setup_count,
+ char **ppparams, int params_count,
+ char **ppdata, int data_count)
+{
+ NTSTATUS nt_status = NT_STATUS_OK;
+ uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
+ char *params = *ppparams;
+ char *pdata = *ppdata;
+ char *entry;
+ int data_len=0,param_len=0;
+ int qt_len=0;
+ int entry_len = 0;
+ files_struct *fsp = NULL;
+ uint16 level = 0;
+ size_t sid_len;
+ DOM_SID sid;
+ BOOL start_enum = True;
+ SMB_NTQUOTA_STRUCT qt;
+ SMB_NTQUOTA_LIST *tmp_list;
+ SMB_NTQUOTA_HANDLE *qt_handle = NULL;
+
+ ZERO_STRUCT(qt);
+
+ /* access check */
+ if (conn->admin_user != True) {
+ DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
+ lp_servicename(SNUM(conn)),conn->user));
+ return ERROR_DOS(ERRDOS,ERRnoaccess);
+ }
+
+ /*
+ * Ensure minimum number of parameters sent.
+ */
+
+ if (params_count < 4) {
+ DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",params_count));
+ return ERROR_DOS(ERRDOS,ERRinvalidparam);
+ }
+
+ /* maybe we can check the quota_fnum */
+ fsp = file_fsp(params,0);
+ if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
+ DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
+ return ERROR_NT(NT_STATUS_INVALID_HANDLE);
+ }
+
+ /* the NULL pointer cheking for fsp->fake_file_handle->pd
+ * is done by CHECK_NTQUOTA_HANDLE_OK()
+ */
+ qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
+
+ level = SVAL(params,2);
+
+ /* unknown 12 bytes leading in params */
+
+ switch (level) {
+ case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
+ /* seems that we should continue with the enum here --metze */
+
+ if (qt_handle->quota_list!=NULL &&
+ qt_handle->tmp_list==NULL) {
+
+ /* free the list */
+ free_ntquota_list(&(qt_handle->quota_list));
+
+ /* Realloc the size of parameters and data we will return */
+ param_len = 4;
+ params = nttrans_realloc(ppparams, param_len);
+ if(params == NULL)
+ return ERROR_DOS(ERRDOS,ERRnomem);
+
+ data_len = 0;
+ SIVAL(params,0,data_len);
+
+ break;
+ }
+
+ start_enum = False;
+
+ case TRANSACT_GET_USER_QUOTA_LIST_START:
+
+ if (qt_handle->quota_list==NULL &&
+ qt_handle->tmp_list==NULL) {
+ start_enum = True;
+ }
+
+ if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
+ return ERROR_DOS(ERRSRV,ERRerror);
+
+ /* Realloc the size of parameters and data we will return */
+ param_len = 4;
+ params = nttrans_realloc(ppparams, param_len);
+ if(params == NULL)
+ return ERROR_DOS(ERRDOS,ERRnomem);
+
+ /* we should not trust the value in max_data_count*/
+ max_data_count = MIN(max_data_count,2048);
+
+ pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
+ if(pdata == NULL)
+ return ERROR_DOS(ERRDOS,ERRnomem);
+
+ entry = pdata;
+
+
+ /* set params Size of returned Quota Data 4 bytes*/
+ /* but set it later when we know it */
+
+ /* for each entry push the data */
+
+ if (start_enum) {
+ qt_handle->tmp_list = qt_handle->quota_list;
+ }
+
+ tmp_list = qt_handle->tmp_list;
+
+ for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
+ tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
+
+ sid_len = sid_size(&tmp_list->quotas->sid);
+ entry_len = 40 + sid_len;
+
+ /* nextoffset entry 4 bytes */
+ SIVAL(entry,0,entry_len);
+
+ /* then the len of the SID 4 bytes */
+ SIVAL(entry,4,sid_len);
+
+ /* unknown data 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
+
+ /* the used disk space 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
+
+ /* the soft quotas 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,24,tmp_list->quotas->softlim);
+
+ /* the hard quotas 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
+
+ /* and now the SID */
+ sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
+ }
+
+ qt_handle->tmp_list = tmp_list;
+
+ /* overwrite the offset of the last entry */
+ SIVAL(entry-entry_len,0,0);
+
+ data_len = 4+qt_len;
+ /* overwrite the params quota_data_len */
+ SIVAL(params,0,data_len);
+
+ break;
+
+ case TRANSACT_GET_USER_QUOTA_FOR_SID:
+
+ /* unknown 4 bytes IVAL(pdata,0) */
+
+ if (data_count < 8) {
+ DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+
+ sid_len = IVAL(pdata,4);
+
+ if (data_count < 8+sid_len) {
+ DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8+sid_len));
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+
+ data_len = 4+40+sid_len;
+
+ if (max_data_count < data_len) {
+ DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
+ max_data_count, data_len));
+ param_len = 4;
+ SIVAL(params,0,data_len);
+ data_len = 0;
+ nt_status = NT_STATUS_BUFFER_TOO_SMALL;
+ break;
+ }
+
+ sid_parse(pdata+8,sid_len,&sid);
+
+
+ if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
+ ZERO_STRUCT(qt);
+ /*
+ * we have to return zero's in all fields
+ * instead of returning an error here
+ * --metze
+ */
+ }
+
+ /* Realloc the size of parameters and data we will return */
+ param_len = 4;
+ params = nttrans_realloc(ppparams, param_len);
+ if(params == NULL)
+ return ERROR_DOS(ERRDOS,ERRnomem);
+
+ pdata = nttrans_realloc(ppdata, data_len);
+ if(pdata == NULL)
+ return ERROR_DOS(ERRDOS,ERRnomem);
+
+ entry = pdata;
+
+ /* set params Size of returned Quota Data 4 bytes*/
+ SIVAL(params,0,data_len);
+
+ /* nextoffset entry 4 bytes */
+ SIVAL(entry,0,0);
+
+ /* then the len of the SID 4 bytes */
+ SIVAL(entry,4,sid_len);
+
+ /* unknown data 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
+
+ /* the used disk space 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,16,qt.usedspace);
+
+ /* the soft quotas 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,24,qt.softlim);
+
+ /* the hard quotas 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,32,qt.hardlim);
+
+ /* and now the SID */
+ sid_linearize(entry+40, sid_len, &sid);
+
+ break;
+
+ default:
+ DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
+ return ERROR_DOS(ERRSRV,ERRerror);
+ break;
+ }
+
+ send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len, pdata, data_len);
+
+ return -1;
+}
+
+/****************************************************************************
+ Reply to set user quota
+****************************************************************************/
+
+static int call_nt_transact_set_user_quota(connection_struct *conn,
+ char *inbuf, char *outbuf,
+ int length, int bufsize,
+ char **ppsetup, int setup_count,
+ char **ppparams, int params_count,
+ char **ppdata, int data_count)
+{
+ char *params = *ppparams;
+ char *pdata = *ppdata;
+ int data_len=0,param_len=0;
+ SMB_NTQUOTA_STRUCT qt;
+ size_t sid_len;
+ DOM_SID sid;
+ files_struct *fsp = NULL;
+
+ ZERO_STRUCT(qt);
+
+ /* access check */
+ if (conn->admin_user != True) {
+ DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
+ lp_servicename(SNUM(conn)),conn->user));
+ return ERROR_DOS(ERRDOS,ERRnoaccess);
+ }
+
+ /*
+ * Ensure minimum number of parameters sent.
+ */
+
+ if (params_count < 2) {
+ DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",params_count));
+ return ERROR_DOS(ERRDOS,ERRinvalidparam);
+ }
+
+ /* maybe we can check the quota_fnum */
+ fsp = file_fsp(params,0);
+ if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
+ DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
+ return ERROR_NT(NT_STATUS_INVALID_HANDLE);
+ }
+
+ if (data_count < 40) {
+ DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+
+ /* offset to next quota record.
+ * 4 bytes IVAL(pdata,0)
+ * unused here...
+ */
+
+ /* sid len */
+ sid_len = IVAL(pdata,4);
+
+ if (data_count < 40+sid_len) {
+ DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40+sid_len));
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+
+ /* unknown 8 bytes in pdata
+ * maybe its the change time in NTTIME
+ */
+
+ /* the used space 8 bytes (SMB_BIG_UINT)*/
+ qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
+#ifdef LARGE_SMB_OFF_T
+ qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
+#else /* LARGE_SMB_OFF_T */
+ if ((IVAL(pdata,20) != 0)&&
+ ((qt.usedspace != 0xFFFFFFFF)||
+ (IVAL(pdata,20)!=0xFFFFFFFF)))) {
+ /* more than 32 bits? */
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+#endif /* LARGE_SMB_OFF_T */
+
+ /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
+ qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
+#ifdef LARGE_SMB_OFF_T
+ qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
+#else /* LARGE_SMB_OFF_T */
+ if ((IVAL(pdata,28) != 0)&&
+ ((qt.softlim != 0xFFFFFFFF)||
+ (IVAL(pdata,28)!=0xFFFFFFFF)))) {
+ /* more than 32 bits? */
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+#endif /* LARGE_SMB_OFF_T */
+
+ /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
+ qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
+#ifdef LARGE_SMB_OFF_T
+ qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
+#else /* LARGE_SMB_OFF_T */
+ if ((IVAL(pdata,36) != 0)&&
+ ((qt.hardlim != 0xFFFFFFFF)||
+ (IVAL(pdata,36)!=0xFFFFFFFF)))) {
+ /* more than 32 bits? */
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+#endif /* LARGE_SMB_OFF_T */
+
+ sid_parse(pdata+40,sid_len,&sid);
+ DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
+
+ /* 44 unknown bytes left... */
+
+ if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
+ return ERROR_DOS(ERRSRV,ERRerror);
+ }
+
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, pdata, data_len);
+
+ return -1;
+}
+#endif /* WITH_QUOTAS */
+
/****************************************************************************
Reply to a SMBNTtrans.
****************************************************************************/
if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
- END_PROFILE(SMBnttrans);
- return ERROR_DOS(ERRSRV,ERRerror);
+ goto bad_param;
}
/* Allocate the space for the setup, the maximum needed parameters and data */
num_data_sofar = data_count;
if (parameter_count > total_parameter_count || data_count > total_data_count)
- exit_server("reply_nttrans: invalid sizes in packet.");
+ goto bad_param;
if(setup) {
- memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
+ if ((smb_nt_SetupStart + setup_count < smb_nt_SetupStart) ||
+ (smb_nt_SetupStart + setup_count < setup_count))
+ goto bad_param;
+ if (smb_nt_SetupStart + setup_count > length)
+ goto bad_param;
+
+ memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
dump_data(10, setup, setup_count);
}
if(params) {
- memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
+ if ((parameter_offset + parameter_count < parameter_offset) ||
+ (parameter_offset + parameter_count < parameter_count))
+ goto bad_param;
+ if (smb_base(inbuf) + parameter_offset + parameter_count > inbuf + length)
+ goto bad_param;
+
+ memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
dump_data(10, params, parameter_count);
}
if(data) {
- memcpy( data, smb_base(inbuf) + data_offset, data_count);
DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
+ if ((data_offset + data_count < data_offset) || (data_offset + data_count < data_count))
+ goto bad_param;
+ if (smb_base(inbuf) + data_offset + data_count > inbuf + length)
+ goto bad_param;
+
+ memcpy( data, smb_base(inbuf) + data_offset, data_count);
dump_data(10, data, data_count);
}
while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
BOOL ret;
+ uint32 parameter_displacement;
+ uint32 data_displacement;
ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
(smb_read_error == READ_ERROR) ? "error" : "timeout" ));
}
- SAFE_FREE(params);
- SAFE_FREE(data);
- SAFE_FREE(setup);
- END_PROFILE(SMBnttrans);
- return ERROR_DOS(ERRSRV,ERRerror);
+ goto bad_param;
}
/* Revise total_params and total_data in case they have changed downwards */
- total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
- total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
- num_params_sofar += (parameter_count = IVAL(inbuf,smb_nts_ParameterCount));
- num_data_sofar += ( data_count = IVAL(inbuf, smb_nts_DataCount));
- if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count)
- exit_server("reply_nttrans2: data overflow in secondary nttrans packet");
-
- memcpy( ¶ms[ IVAL(inbuf, smb_nts_ParameterDisplacement)],
- smb_base(inbuf) + IVAL(inbuf, smb_nts_ParameterOffset), parameter_count);
- memcpy( &data[IVAL(inbuf, smb_nts_DataDisplacement)],
- smb_base(inbuf)+ IVAL(inbuf, smb_nts_DataOffset), data_count);
+ if (IVAL(inbuf, smb_nts_TotalParameterCount) < total_parameter_count)
+ total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
+ if (IVAL(inbuf, smb_nts_TotalDataCount) < total_data_count)
+ total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
+
+ parameter_count = IVAL(inbuf,smb_nts_ParameterCount);
+ parameter_offset = IVAL(inbuf, smb_nts_ParameterOffset);
+ parameter_displacement = IVAL(inbuf, smb_nts_ParameterDisplacement);
+ num_params_sofar += parameter_count;
+
+ data_count = IVAL(inbuf, smb_nts_DataCount);
+ data_displacement = IVAL(inbuf, smb_nts_DataDisplacement);
+ data_offset = IVAL(inbuf, smb_nts_DataOffset);
+ num_data_sofar += data_count;
+
+ if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count) {
+ DEBUG(0,("reply_nttrans2: data overflow in secondary nttrans packet"));
+ goto bad_param;
+ }
+
+ if (parameter_count) {
+ if (parameter_displacement + parameter_count >= total_parameter_count)
+ goto bad_param;
+ if ((parameter_displacement + parameter_count < parameter_displacement) ||
+ (parameter_displacement + parameter_count < parameter_count))
+ goto bad_param;
+ if (smb_base(inbuf) + parameter_offset + parameter_count >= inbuf + bufsize)
+ goto bad_param;
+ if (parameter_displacement + params < params)
+ goto bad_param;
+
+ memcpy( ¶ms[parameter_displacement], smb_base(inbuf) + parameter_offset, parameter_count);
+ }
+
+ if (data_count) {
+ if (data_displacement + data_count >= total_data_count)
+ goto bad_param;
+ if ((data_displacement + data_count < data_displacement) ||
+ (data_displacement + data_count < data_count))
+ goto bad_param;
+ if (smb_base(inbuf) + data_offset + data_count >= inbuf + bufsize)
+ goto bad_param;
+ if (data_displacement + data < data)
+ goto bad_param;
+
+ memcpy( &data[data_displacement], smb_base(inbuf)+ data_offset, data_count);
+ }
}
}
&setup, ¶ms, &data);
END_PROFILE_NESTED(NT_transact_query_security_desc);
break;
+#ifdef WITH_QUOTAS
+ case NT_TRANSACT_GET_USER_QUOTA:
+ START_PROFILE_NESTED(NT_transact_get_user_quota);
+ outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, parameter_count,
+ &data, data_count);
+ END_PROFILE_NESTED(NT_transact_get_user_quota);
+ break;
+ case NT_TRANSACT_SET_USER_QUOTA:
+ START_PROFILE_NESTED(NT_transact_set_user_quota);
+ outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, parameter_count,
+ &data, data_count);
+ END_PROFILE_NESTED(NT_transact_set_user_quota);
+ break;
+#endif /* WITH_QUOTAS */
default:
/* Error in request */
DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
return outsize; /* If a correct response was needed the call_nt_transact_xxxx
calls have already sent it. If outsize != -1 then it is
returning an error packet. */
+
+ bad_param:
+
+ SAFE_FREE(params);
+ SAFE_FREE(data);
+ SAFE_FREE(setup);
+ END_PROFILE(SMBnttrans);
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
}
git.samba.org / tprouty / samba.git / blobdiff