mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-11-07 23:46:13 -05:00
18d0cec29e
* gnu/packages/patches/pcre2-CVE-2017-7186.patch: New file. * gnu/packages/pcre.scm (pcre2)[source]: Use it. * gnu/local.mk (dist_patch_DATA): Add it.
68 lines
2.7 KiB
Diff
68 lines
2.7 KiB
Diff
Patch for <https://nvd.nist.gov/vuln/detail?vulnId=CVE-2017-7186>
|
|
taken from <https://vcs.pcre.org/pcre2?view=revision&revision=670>.
|
|
|
|
--- trunk/src/pcre2_internal.h 2016/11/19 12:46:24 600
|
|
+++ trunk/src/pcre2_internal.h 2017/02/24 18:25:32 670
|
|
@@ -1774,10 +1774,17 @@
|
|
/* UCD access macros */
|
|
|
|
#define UCD_BLOCK_SIZE 128
|
|
-#define GET_UCD(ch) (PRIV(ucd_records) + \
|
|
+#define REAL_GET_UCD(ch) (PRIV(ucd_records) + \
|
|
PRIV(ucd_stage2)[PRIV(ucd_stage1)[(int)(ch) / UCD_BLOCK_SIZE] * \
|
|
UCD_BLOCK_SIZE + (int)(ch) % UCD_BLOCK_SIZE])
|
|
|
|
+#if PCRE2_CODE_UNIT_WIDTH == 32
|
|
+#define GET_UCD(ch) ((ch > MAX_UTF_CODE_POINT)? \
|
|
+ PRIV(dummy_ucd_record) : REAL_GET_UCD(ch))
|
|
+#else
|
|
+#define GET_UCD(ch) REAL_GET_UCD(ch)
|
|
+#endif
|
|
+
|
|
#define UCD_CHARTYPE(ch) GET_UCD(ch)->chartype
|
|
#define UCD_SCRIPT(ch) GET_UCD(ch)->script
|
|
#define UCD_CATEGORY(ch) PRIV(ucp_gentype)[UCD_CHARTYPE(ch)]
|
|
@@ -1834,6 +1841,9 @@
|
|
#define _pcre2_default_compile_context PCRE2_SUFFIX(_pcre2_default_compile_context_)
|
|
#define _pcre2_default_match_context PCRE2_SUFFIX(_pcre2_default_match_context_)
|
|
#define _pcre2_default_tables PCRE2_SUFFIX(_pcre2_default_tables_)
|
|
+#if PCRE2_CODE_UNIT_WIDTH == 32
|
|
+#define _pcre2_dummy_ucd_record PCRE2_SUFFIX(_pcre2_dummy_ucd_record_)
|
|
+#endif
|
|
#define _pcre2_hspace_list PCRE2_SUFFIX(_pcre2_hspace_list_)
|
|
#define _pcre2_vspace_list PCRE2_SUFFIX(_pcre2_vspace_list_)
|
|
#define _pcre2_ucd_caseless_sets PCRE2_SUFFIX(_pcre2_ucd_caseless_sets_)
|
|
@@ -1858,6 +1868,9 @@
|
|
extern const uint32_t PRIV(vspace_list)[];
|
|
extern const uint32_t PRIV(ucd_caseless_sets)[];
|
|
extern const ucd_record PRIV(ucd_records)[];
|
|
+#if PCRE2_CODE_UNIT_WIDTH == 32
|
|
+extern const ucd_record PRIV(dummy_ucd_record)[];
|
|
+#endif
|
|
extern const uint8_t PRIV(ucd_stage1)[];
|
|
extern const uint16_t PRIV(ucd_stage2)[];
|
|
extern const uint32_t PRIV(ucp_gbtable)[];
|
|
|
|
--- trunk/src/pcre2_ucd.c 2015/07/17 15:44:51 316
|
|
+++ trunk/src/pcre2_ucd.c 2017/02/24 18:25:32 670
|
|
@@ -41,6 +41,20 @@
|
|
|
|
const char *PRIV(unicode_version) = "8.0.0";
|
|
|
|
+/* If the 32-bit library is run in non-32-bit mode, character values
|
|
+greater than 0x10ffff may be encountered. For these we set up a
|
|
+special record. */
|
|
+
|
|
+#if PCRE2_CODE_UNIT_WIDTH == 32
|
|
+const ucd_record PRIV(dummy_ucd_record)[] = {{
|
|
+ ucp_Common, /* script */
|
|
+ ucp_Cn, /* type unassigned */
|
|
+ ucp_gbOther, /* grapheme break property */
|
|
+ 0, /* case set */
|
|
+ 0, /* other case */
|
|
+ }};
|
|
+#endif
|
|
+
|
|
/* When recompiling tables with a new Unicode version, please check the
|
|
types in this structure definition from pcre2_internal.h (the actual
|
|
field names will be different):
|