Ensure attributes are valid UTF-8 in dbus notifier (bug #863387).
Resolves: rhbz#863387
This commit is contained in:
Tim Waugh
parent
1d34f84c93
commit
611cccd2e1
110
cups-dbus-utf8.patch
Normal file
110
cups-dbus-utf8.patch
Normal file
@ -0,0 +1,110 @@
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diff -up cups-1.6.1/notifier/dbus.c.dbus-utf8 cups-1.6.1/notifier/dbus.c
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--- cups-1.6.1/notifier/dbus.c.dbus-utf8 2012-01-20 19:00:32.000000000 +0000
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+++ cups-1.6.1/notifier/dbus.c 2012-10-30 17:03:40.260833091 +0000
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@@ -31,6 +31,8 @@
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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+#include <assert.h>
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+#include <wchar.h>
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#ifdef HAVE_DBUS
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# include <dbus/dbus.h>
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@@ -157,10 +159,78 @@ enum
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* Local functions...
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*/
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-static int acquire_lock(int *fd, char *lockfile, size_t locksize);
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+static int acquire_lock(int *fd, char *lockfile, size_t locksize);
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+static const char *validate_utf8(const char *str);
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/*
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+ * 'validate_utf8()' - Convert to valid UTF-8
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+ */
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+
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+static const char *
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+validate_utf8 (const char *str)
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+{
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+ static char *buffer = NULL;
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+ static size_t buflen = 0;
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+ char *p;
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+ size_t str_len;
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+ unsigned int i;
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+ mbstate_t instate, outstate;
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+
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+ if (str == NULL)
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+ {
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+ free (buffer);
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+ return (NULL);
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+ }
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+
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+ /* Is it already valid? */
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+ if (mbstowcs (NULL, str, 0) != (size_t) -1)
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+ return str;
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+
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+ /* Make sure our buffer is at least as large as the input string */
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+ str_len = strlen (str);
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+ if (str_len > buflen)
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+ {
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+ buflen = str_len + 1;
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+ buffer = realloc (buffer, buflen);
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+ }
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+
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+ memset (&instate, '\0', sizeof (mbstate_t));
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+ memset (&outstate, '\0', sizeof (mbstate_t));
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+ p = buffer;
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+ i = 0;
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+ while (i < str_len)
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+ {
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+ wchar_t wc;
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+ size_t used, written;
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+ mbstate_t orig_instate = instate;
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+ used = mbrtowc (&wc, str + i, str_len - i, &instate);
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+ switch (used)
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+ {
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+ case (size_t) -2:
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+ case (size_t) -1:
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+ wc = L'?'; /* so replacement is never longer than original char */
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+ instate = orig_instate;
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+ /* fallthru */
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+ case 0:
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+ used = 1;
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+ }
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+
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+ written = wcrtomb (p, wc, &outstate);
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+ if (written != -1)
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+ {
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+ p += written;
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+ assert (p - buffer < buflen);
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+ }
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+
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+ i += used;
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+ }
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+
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+ *p = '\0';
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+ return p;
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+}
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+
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+/*
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* 'main()' - Read events and send DBUS notifications.
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*/
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@@ -366,7 +436,7 @@ main(int argc, /* I - Number of comm
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attr = ippFindAttribute(msg, "notify-text", IPP_TAG_TEXT);
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if (attr)
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{
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- const char *val = ippGetString(attr, 0, NULL);
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+ const char *val = validate_utf8 (ippGetString(attr, 0, NULL));
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if (!dbus_message_iter_append_string(&iter, &val))
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goto bail;
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}
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@@ -530,7 +600,7 @@ main(int argc, /* I - Number of comm
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attr = ippFindAttribute(msg, "job-name", IPP_TAG_NAME);
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if (attr)
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{
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- const char *val = ippGetString(attr, 0, NULL);
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+ const char *val = validate_utf8 (ippGetString(attr, 0, NULL));
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if (!dbus_message_iter_append_string(&iter, &val))
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goto bail;
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}
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10
cups.spec
10
cups.spec
@ -10,7 +10,7 @@
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Summary: Common Unix Printing System
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Name: cups
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Version: 1.6.1
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Release: 7%{?dist}
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Release: 8%{?dist}
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License: GPLv2
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Group: System Environment/Daemons
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Source: http://ftp.easysw.com/pub/cups/%{version}/cups-%{version}-source.tar.bz2
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@ -28,7 +28,7 @@ Source11: macros.cups
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Patch1: cups-no-gzip-man.patch
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Patch2: cups-system-auth.patch
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Patch3: cups-multilib.patch
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Patch4: cups-dbus-utf8.patch
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Patch5: cups-banners.patch
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Patch6: cups-serverbin-compat.patch
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Patch7: cups-no-export-ssllibs.patch
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@ -194,7 +194,8 @@ Sends IPP requests to the specified URI and tests and/or displays the results.
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%patch2 -p1 -b .system-auth
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# Prevent multilib conflict in cups-config script.
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%patch3 -p1 -b .multilib
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# Ensure attributes are valid UTF-8 in dbus notifier (bug #863387).
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%patch4 -p1 -b .dbus-utf8
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# Ignore rpm save/new files in the banners directory.
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%patch5 -p1 -b .banners
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# Use compatibility fallback path for ServerBin.
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@ -576,6 +577,9 @@ rm -f %{cups_serverbin}/backend/smb
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%{_mandir}/man1/ipptool.1.gz
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%changelog
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* Tue Oct 30 2012 Tim Waugh <twaugh@redhat.com> 1:1.6.1-8
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- Ensure attributes are valid UTF-8 in dbus notifier (bug #863387).
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* Mon Oct 29 2012 Tim Waugh <twaugh@redhat.com> 1:1.6.1-7
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- Removed broken cups-get-classes patch (bug #870612).
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