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8582e03ae5
This is a followup to commit 426b0b898f.
* gnu/packages/patches/pcre-CVE-2017-7186.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.
56 lines
1.9 KiB
Diff
56 lines
1.9 KiB
Diff
Patch for <https://nvd.nist.gov/vuln/detail?vulnId=CVE-2017-7186>
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from <https://vcs.pcre.org/pcre?view=revision&revision=1688>.
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--- trunk/pcre_internal.h 2016/05/21 13:34:44 1649
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+++ trunk/pcre_internal.h 2017/02/24 17:30:30 1688
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@@ -2772,6 +2772,9 @@
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extern const pcre_uint16 PRIV(ucd_stage2)[];
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extern const pcre_uint32 PRIV(ucp_gentype)[];
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extern const pcre_uint32 PRIV(ucp_gbtable)[];
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+#ifdef COMPILE_PCRE32
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+extern const ucd_record PRIV(dummy_ucd_record)[];
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+#endif
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#ifdef SUPPORT_JIT
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extern const int PRIV(ucp_typerange)[];
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#endif
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@@ -2780,9 +2783,15 @@
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/* UCD access macros */
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#define UCD_BLOCK_SIZE 128
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-#define GET_UCD(ch) (PRIV(ucd_records) + \
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+#define REAL_GET_UCD(ch) (PRIV(ucd_records) + \
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PRIV(ucd_stage2)[PRIV(ucd_stage1)[(int)(ch) / UCD_BLOCK_SIZE] * \
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UCD_BLOCK_SIZE + (int)(ch) % UCD_BLOCK_SIZE])
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+
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+#ifdef COMPILE_PCRE32
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+#define GET_UCD(ch) ((ch > 0x10ffff)? PRIV(dummy_ucd_record) : REAL_GET_UCD(ch))
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+#else
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+#define GET_UCD(ch) REAL_GET_UCD(ch)
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+#endif
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#define UCD_CHARTYPE(ch) GET_UCD(ch)->chartype
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#define UCD_SCRIPT(ch) GET_UCD(ch)->script
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--- trunk/pcre_ucd.c 2014/06/19 07:51:39 1490
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+++ trunk/pcre_ucd.c 2017/02/24 17:30:30 1688
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@@ -38,6 +38,20 @@
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const pcre_uint32 PRIV(ucd_caseless_sets)[] = {0};
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#else
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+/* If the 32-bit library is run in non-32-bit mode, character values
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+greater than 0x10ffff may be encountered. For these we set up a
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+special record. */
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+
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+#ifdef COMPILE_PCRE32
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+const ucd_record PRIV(dummy_ucd_record)[] = {{
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+ ucp_Common, /* script */
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+ ucp_Cn, /* type unassigned */
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+ ucp_gbOther, /* grapheme break property */
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+ 0, /* case set */
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+ 0, /* other case */
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+ }};
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+#endif
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+
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/* When recompiling tables with a new Unicode version, please check the
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types in this structure definition from pcre_internal.h (the actual
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field names will be different):
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