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Prevent libcups crash in cups-get-classes patch (bug #736698).

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In cups_get_sdests(), when checking whether CUPS_GET_CLASSES is required
by determining whether any classes were returned by the
CUPS_GET_PRINTERS request, only call cups_find_dest() if any queues
were returned at all.
This commit is contained in:
Tim Waugh 2011-09-14 12:01:25 +01:00
parent f6b6480f24
commit aefd94790a
2 changed files with 13 additions and 10 deletions
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18
cups-cups-get-classes.patch
View File

@ -1,7 +1,7 @@
diff -up cups-1.4rc1/cups/dest.c.cups-get-classes cups-1.4rc1/cups/dest.c
--- cups-1.4rc1/cups/dest.c.cups-get-classes 2009-05-13 22:39:17.000000000 +0100
+++ cups-1.4rc1/cups/dest.c 2009-07-28 22:17:40.285709944 +0100
@@ -1735,6 +1735,7 @@ cups_get_sdests(http_t *http, /* I
diff -up cups-1.4.8/cups/dest.c.cups-get-classes cups-1.4.8/cups/dest.c
--- cups-1.4.8/cups/dest.c.cups-get-classes 2010-08-13 02:34:04.000000000 +0100
+++ cups-1.4.8/cups/dest.c 2011-09-14 12:00:56.330558590 +0100
@@ -1755,6 +1755,7 @@ cups_get_sdests(http_t *http, /* I
char uri[1024]; /* printer-uri value */
int num_options; /* Number of options */
cups_option_t *options; /* Options */
@ -9,7 +9,7 @@ diff -up cups-1.4rc1/cups/dest.c.cups-get-classes cups-1.4rc1/cups/dest.c
#ifdef __APPLE__
char media_default[41]; /* Default paper size */
#endif /* __APPLE__ */
@@ -1791,6 +1792,8 @@ cups_get_sdests(http_t *http, /* I
@@ -1811,6 +1812,8 @@ cups_get_sdests(http_t *http, /* I
* printer-uri [for IPP_GET_PRINTER_ATTRIBUTES]
*/
@ -18,7 +18,7 @@ diff -up cups-1.4rc1/cups/dest.c.cups-get-classes cups-1.4rc1/cups/dest.c
request = ippNewRequest(op);
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
@@ -1848,6 +1851,23 @@ cups_get_sdests(http_t *http, /* I
@@ -1868,6 +1871,23 @@ cups_get_sdests(http_t *http, /* I
attr->value_tag != IPP_TAG_URI)
continue;
@ -42,7 +42,7 @@ diff -up cups-1.4rc1/cups/dest.c.cups-get-classes cups-1.4rc1/cups/dest.c
if (!strcmp(attr->name, "auth-info-required") ||
!strcmp(attr->name, "device-uri") ||
!strcmp(attr->name, "marker-change-time") ||
@@ -1939,6 +1959,28 @@ cups_get_sdests(http_t *http, /* I
@@ -1959,6 +1979,28 @@ cups_get_sdests(http_t *http, /* I
continue;
}
@ -52,7 +52,7 @@ diff -up cups-1.4rc1/cups/dest.c.cups-get-classes cups-1.4rc1/cups/dest.c
+ * early if so.
+ */
+
+ if (op == CUPS_GET_CLASSES)
+ if (op == CUPS_GET_CLASSES && num_dests > 0)
+ {
+ int diff;
+ cups_find_dest (printer_name, NULL, num_dests, *dests, 0, &diff);
@ -71,7 +71,7 @@ diff -up cups-1.4rc1/cups/dest.c.cups-get-classes cups-1.4rc1/cups/dest.c
if ((dest = cups_add_dest(printer_name, NULL, &num_dests, dests)) != NULL)
{
dest->num_options = num_options;
@@ -1955,6 +1997,16 @@ cups_get_sdests(http_t *http, /* I
@@ -1975,6 +2017,16 @@ cups_get_sdests(http_t *http, /* I
}
/*

5
cups.spec
View File

@ -8,7 +8,7 @@
Summary: Common Unix Printing System
Name: cups
Version: 1.4.8
Release: 3%{?dist}
Release: 4%{?dist}
License: GPLv2
Group: System Environment/Daemons
Source: http://ftp.easysw.com/pub/cups/%{version}/cups-%{version}-source.tar.bz2
@ -577,6 +577,9 @@ rm -rf $RPM_BUILD_ROOT
%{php_extdir}/phpcups.so
%changelog
* Wed Sep 14 2011 Tim Waugh <twaugh@redhat.com> 1:1.4.8-4
- Prevent libcups crash in cups-get-classes patch (bug #736698).
* Fri Aug 19 2011 Tim Waugh <twaugh@redhat.com> 1:1.4.8-3
- Tighten explicit libs sub-package requirement so that it includes
the correct architecture as well (bug #731421 comment #8).