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Avoid null pointer access in escputil (bug #659120).

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This commit is contained in:
Jiri Popelka 2010-12-02 18:59:37 +01:00
parent 012811a757
commit 97a7552103
2 changed files with 34 additions and 0 deletions
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30
gutenprint-null-pointer.patch Normal file
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@ -0,0 +1,30 @@
diff -up gutenprint-5.2.6/src/escputil/escputil.c.null-pointer gutenprint-5.2.6/src/escputil/escputil.c
--- gutenprint-5.2.6/src/escputil/escputil.c.null-pointer 2009-12-23 21:13:54.000000000 +0100
+++ gutenprint-5.2.6/src/escputil/escputil.c 2010-12-02 13:05:58.000000000 +0100
@@ -1313,10 +1313,8 @@ do_new_status(status_cmd_t cmd, char *bu
const char *ind;
const stp_string_list_t *color_list = NULL;
stp_parameter_t desc;
- const stp_vars_t *printvars = stp_printer_get_defaults(printer);
- stp_describe_parameter(printvars, "ChannelNames", &desc);
- if (desc.p_type == STP_PARAMETER_TYPE_STRING_LIST)
- color_list = desc.bounds.str;
+ const stp_vars_t *printvars = NULL;
+
STP_DEBUG(fprintf(stderr, "New format bytes: %d bytes\n", bytes));
if (cmd == CMD_STATUS)
printf(_("Printer Name: %s\n"),
@@ -1373,6 +1371,13 @@ do_new_status(status_cmd_t cmd, char *bu
for (j = 0; j < total_param_count; j++)
{
param = (unsigned) buf[i + j + 2];
+ if (printer)
+ {
+ printvars = stp_printer_get_defaults(printer);
+ stp_describe_parameter(printvars, "ChannelNames", &desc);
+ if (desc.p_type == STP_PARAMETER_TYPE_STRING_LIST)
+ color_list = desc.bounds.str;
+ }
print_warning(param, color_list);
}
break;

4
gutenprint.spec
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@ -18,6 +18,7 @@ Patch2: gutenprint-selinux.patch
Patch3: gutenprint-brother-hl-2040.patch
Patch4: gutenprint-postscriptdriver.patch
Patch5: gutenprint-device-ids.patch
Patch6: gutenprint-null-pointer.patch
License: GPLv2+
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
BuildRequires: cups-libs >= 1.1.22-0.rc1.9.10, cups >= 1.1.22-0.rc1.9.10
@ -169,6 +170,8 @@ Epson, HP and compatible printers.
# HP Color LaserJet 2500/4550 (bug #659044).
# Brother hl-2035 (bug #651603#c3)
%patch5 -p1 -b .device-ids
# Avoid null pointer access in escputil (bug #659120).
%patch6 -p1 -b .null-pointer
cp %{SOURCE2} src/cups/cups-genppdupdate.in
@ -307,6 +310,7 @@ fi
HP LaserJet 4050/4100/4350/5100/8000/M3027 MFP/M3035 MFP/P3005 (bug #659043).
HP Color LaserJet 2500/4550 (bug #659044).
Brother hl-2035 (bug #651603#c3).
- Avoid null pointer access in escputil (bug #659120).
* Wed Aug 11 2010 Jiri Popelka <jpopelka@redhat.com> 5.2.6-1
- 5.2.6.