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21b3b75515
* gnu/packages/patches/glib-CVE-2021-27218.patch, gnu/packages/patches/glib-CVE-2021-27219-01.patch, gnu/packages/patches/glib-CVE-2021-27219-02.patch, gnu/packages/patches/glib-CVE-2021-27219-03.patch, gnu/packages/patches/glib-CVE-2021-27219-04.patch, gnu/packages/patches/glib-CVE-2021-27219-05.patch, gnu/packages/patches/glib-CVE-2021-27219-06.patch, gnu/packages/patches/glib-CVE-2021-27219-07.patch, gnu/packages/patches/glib-CVE-2021-27219-08.patch, gnu/packages/patches/glib-CVE-2021-27219-09.patch, gnu/packages/patches/glib-CVE-2021-27219-10.patch, gnu/packages/patches/glib-CVE-2021-27219-11.patch, gnu/packages/patches/glib-CVE-2021-27219-12.patch, gnu/packages/patches/glib-CVE-2021-27219-13.patch, gnu/packages/patches/glib-CVE-2021-27219-14.patch, gnu/packages/patches/glib-CVE-2021-27219-15.patch, gnu/packages/patches/glib-CVE-2021-27219-16.patch, gnu/packages/patches/glib-CVE-2021-27219-17.patch, gnu/packages/patches/glib-CVE-2021-27219-18.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/glib.scm (glib)[replacement]: New field. (glib/fixed): New variable.
118 lines
3 KiB
Diff
118 lines
3 KiB
Diff
Backport of:
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From 2aaf593a9eb96d84fe3be740aca2810a97d95592 Mon Sep 17 00:00:00 2001
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From: Philip Withnall <pwithnall@endlessos.org>
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Date: Thu, 4 Feb 2021 13:50:37 +0000
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Subject: [PATCH 07/11] gwin32: Use gsize internally in g_wcsdup()
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This allows it to handle strings up to length `G_MAXSIZE` — previously
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it would overflow with such strings.
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Update the several copies of it identically.
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Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
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Helps: #2319
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---
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gio/gwin32appinfo.c | 33 ++++++++++++++++++++++++++-------
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gio/gwin32registrykey.c | 34 ++++++++++++++++++++++++++--------
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2 files changed, 52 insertions(+), 15 deletions(-)
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diff --git a/gio/gwin32appinfo.c b/gio/gwin32appinfo.c
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index 9f335b370..dd7a96a4a 100644
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--- a/gio/gwin32appinfo.c
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+++ b/gio/gwin32appinfo.c
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@@ -464,15 +464,34 @@ static GWin32RegistryKey *applications_key;
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/* Watch this key */
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static GWin32RegistryKey *classes_root_key;
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+static gsize
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+g_utf16_len (const gunichar2 *str)
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+{
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+ gsize result;
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+
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+ for (result = 0; str[0] != 0; str++, result++)
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+ ;
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+
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+ return result;
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+}
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+
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static gunichar2 *
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-g_wcsdup (const gunichar2 *str, gssize str_size)
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+g_wcsdup (const gunichar2 *str, gssize str_len)
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{
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- if (str_size == -1)
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- {
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- str_size = wcslen (str) + 1;
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- str_size *= sizeof (gunichar2);
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- }
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- return g_memdup (str, str_size);
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+ gsize str_len_unsigned;
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+ gsize str_size;
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+
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+ g_return_val_if_fail (str != NULL, NULL);
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+
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+ if (str_len < 0)
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+ str_len_unsigned = g_utf16_len (str);
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+ else
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+ str_len_unsigned = (gsize) str_len;
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+
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+ g_assert (str_len_unsigned <= G_MAXSIZE / sizeof (gunichar2) - 1);
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+ str_size = (str_len_unsigned + 1) * sizeof (gunichar2);
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+
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+ return g_memdup2 (str, str_size);
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}
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#define URL_ASSOCIATIONS L"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\"
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diff --git a/gio/gwin32registrykey.c b/gio/gwin32registrykey.c
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index 619fd48af..fbd65311a 100644
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--- a/gio/gwin32registrykey.c
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+++ b/gio/gwin32registrykey.c
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@@ -127,16 +127,34 @@ typedef enum
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G_WIN32_REGISTRY_UPDATED_PATH = 1,
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} GWin32RegistryKeyUpdateFlag;
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+static gsize
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+g_utf16_len (const gunichar2 *str)
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+{
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+ gsize result;
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+
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+ for (result = 0; str[0] != 0; str++, result++)
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+ ;
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+
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+ return result;
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+}
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+
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static gunichar2 *
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-g_wcsdup (const gunichar2 *str,
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- gssize str_size)
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+g_wcsdup (const gunichar2 *str, gssize str_len)
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{
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- if (str_size == -1)
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- {
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- str_size = wcslen (str) + 1;
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- str_size *= sizeof (gunichar2);
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- }
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- return g_memdup (str, str_size);
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+ gsize str_len_unsigned;
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+ gsize str_size;
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+
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+ g_return_val_if_fail (str != NULL, NULL);
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+
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+ if (str_len < 0)
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+ str_len_unsigned = g_utf16_len (str);
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+ else
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+ str_len_unsigned = (gsize) str_len;
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+
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+ g_assert (str_len_unsigned <= G_MAXSIZE / sizeof (gunichar2) - 1);
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+ str_size = (str_len_unsigned + 1) * sizeof (gunichar2);
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+
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+ return g_memdup2 (str, str_size);
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}
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/**
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--
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2.30.1
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