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| author | Erkki Seppälä <erkki.seppala@vincit.fi> | 2011-01-31 14:02:14 +0200 |
|---|---|---|
| committer | Ulrich Sibiller <uli42@gmx.de> | 2016-10-19 21:40:26 +0200 |
| commit | 89dc7ccfbcaf45db6ca8d5fa548568b7fb7529de (patch) | |
| tree | 7839307e6ebad5c0684a78180da19d156d896002 /nx-X11/lib/X11 | |
| parent | 81422098f57f568499de2fba55a606c74575aba3 (diff) | |
| download | nx-libs-89dc7ccfbcaf45db6ca8d5fa548568b7fb7529de.tar.gz nx-libs-89dc7ccfbcaf45db6ca8d5fa548568b7fb7529de.tar.bz2 nx-libs-89dc7ccfbcaf45db6ca8d5fa548568b7fb7529de.zip | |
ximcp/imTrX: Handle failing XGetWindowProperty
Checked return value of XGetWindowProperty and return false if it fails.
Return value of "XGetWindowProperty(im->core.display, spec->lib_connect_wid, prop, 0L, (length + bytes_after_ret + 3UL) / 4UL, 1, 0UL, &type_ret, &format_ret, &nitems, &bytes_after_ret, &prop_ret)" is not checked
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Erkki Seppälä <erkki.seppala@vincit.fi>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
Diffstat (limited to 'nx-X11/lib/X11')
| -rw-r--r-- | nx-X11/lib/X11/imTrX.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/nx-X11/lib/X11/imTrX.c b/nx-X11/lib/X11/imTrX.c index 6b757cee5..b81c173c5 100644 --- a/nx-X11/lib/X11/imTrX.c +++ b/nx-X11/lib/X11/imTrX.c @@ -377,14 +377,19 @@ _XimXGetReadData( *ret_len = (int)nitems; if (bytes_after_ret > 0) { XFree(prop_ret); - XGetWindowProperty(im->core.display, - spec->lib_connect_wid, prop, 0L, - ((length + bytes_after_ret + 3)/ 4), True, AnyPropertyType, - &type_ret, &format_ret, &nitems, &bytes_after_ret, - &prop_ret); - XChangeProperty(im->core.display, spec->lib_connect_wid, prop, - XA_STRING, 8, PropModePrepend, &prop_ret[length], - (nitems - length)); + if (XGetWindowProperty(im->core.display, + spec->lib_connect_wid, prop, 0L, + ((length + bytes_after_ret + 3)/ 4), + True, AnyPropertyType, + &type_ret, &format_ret, &nitems, + &bytes_after_ret, + &prop_ret) == Success) { + XChangeProperty(im->core.display, spec->lib_connect_wid, prop, + XA_STRING, 8, PropModePrepend, &prop_ret[length], + (nitems - length)); + } else { + return False; + } } } else { (void)memcpy(buf, prop_ret, buf_len); @@ -393,10 +398,14 @@ _XimXGetReadData( if (bytes_after_ret > 0) { XFree(prop_ret); - XGetWindowProperty(im->core.display, - spec->lib_connect_wid, prop, 0L, - ((length + bytes_after_ret + 3)/ 4), True, AnyPropertyType, - &type_ret, &format_ret, &nitems, &bytes_after_ret, &prop_ret); + if (XGetWindowProperty(im->core.display, + spec->lib_connect_wid, prop, 0L, + ((length + bytes_after_ret + 3)/ 4), + True, AnyPropertyType, + &type_ret, &format_ret, &nitems, + &bytes_after_ret, &prop_ret) != Success) { + return False; + } } XChangeProperty(im->core.display, spec->lib_connect_wid, prop, XA_STRING, 8, PropModePrepend, &prop_ret[buf_len], len); |