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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2010-08-19 10:07:43 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2010-08-19 10:07:43 (GMT) |
| commit | d7dcac6b8685a1439f738accf3e4b9ef13c80aeb (patch) | |
| tree | 7e1382dc6f025332c5c57b0308867be4741f09e9 /generic/tclTrace.c | |
| parent | e9db3af7891146387c385294511538225293fab1 (diff) | |
| download | tcl-d7dcac6b8685a1439f738accf3e4b9ef13c80aeb.zip tcl-d7dcac6b8685a1439f738accf3e4b9ef13c80aeb.tar.gz tcl-d7dcac6b8685a1439f738accf3e4b9ef13c80aeb.tar.bz2 | |
* generic/tclTrace.c (TraceExecutionObjCmd, TraceCommandObjCmd)
(TraceVariableObjCmd): [Patch 3048354]: Use memcpy() instead of
strcpy() to avoid buffer overflow; we have the correct length of data
to copy anyway since we've just allocated the target buffer.
Diffstat (limited to 'generic/tclTrace.c')
| -rw-r--r-- | generic/tclTrace.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/generic/tclTrace.c b/generic/tclTrace.c index 6f1379f..d3a6093 100644 --- a/generic/tclTrace.c +++ b/generic/tclTrace.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclTrace.c,v 1.58 2010/02/24 10:45:04 dkf Exp $ + * RCS: @(#) $Id: tclTrace.c,v 1.59 2010/08/19 10:07:43 dkf Exp $ */ #include "tclInt.h" @@ -478,7 +478,7 @@ TraceExecutionObjCmd( TCL_TRACE_LEAVE_DURING_EXEC)) { flags |= (TCL_TRACE_ENTER_EXEC | TCL_TRACE_LEAVE_EXEC); } - strcpy(tcmdPtr->command, command); + memcpy(tcmdPtr->command, command, length+1); name = Tcl_GetString(objv[3]); if (Tcl_TraceCommand(interp, name, flags, TraceCommandProc, tcmdPtr) != TCL_OK) { @@ -711,7 +711,7 @@ TraceCommandObjCmd( tcmdPtr->length = length; tcmdPtr->refCount = 1; flags |= TCL_TRACE_DELETE; - strcpy(tcmdPtr->command, command); + memcpy(tcmdPtr->command, command, length+1); name = Tcl_GetString(objv[3]); if (Tcl_TraceCommand(interp, name, flags, TraceCommandProc, tcmdPtr) != TCL_OK) { @@ -911,7 +911,7 @@ TraceVariableObjCmd( } ctvarPtr->traceCmdInfo.length = length; flags |= TCL_TRACE_UNSETS | TCL_TRACE_RESULT_OBJECT; - strcpy(ctvarPtr->traceCmdInfo.command, command); + memcpy(ctvarPtr->traceCmdInfo.command, command, length+1); ctvarPtr->traceInfo.traceProc = TraceVarProc; ctvarPtr->traceInfo.clientData = &ctvarPtr->traceCmdInfo; ctvarPtr->traceInfo.flags = flags; |