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authorUlrich Drepper <drepper@redhat.com>2000-09-18 22:41:47 +0000
committerUlrich Drepper <drepper@redhat.com>2000-09-18 22:41:47 +0000
commit755104edc75c53f4a0e7440334e944ad3c6b32fc (patch)
tree536824a5d458248d7fc12dc94ae882f8fce58871 /iconvdata/utf-16.c
parent8a98b84708dd7438c7ee7055b8b1bda983a53fff (diff)
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Update.
2000-09-18  Ulrich Drepper  <drepper@redhat.com>

	* version.h (VERSION): Bump to 2.1.94.

	* malloc/mtrace.c (mtrace): Mark stream as close on exec.

2000-09-17  Bruno Haible  <haible@clisp.cons.org>

	* iconvdata/utf-16.c (BODY for TO_LOOP): Reject UCS-4 input in the
	range 0xD800..0xDFFF.
	* iconvdata/unicode.c (BODY for TO_LOOP): Likewise.
	(BODY for FROM_LOOP): Likewise.
	* iconv/gconv_simple.c (ucs2_internal_loop): Likewise.
	(internal_ucs2_loop): Likewise.
	(ucs2reverse_internal_loop): Likewise.
	(internal_ucs2reverse_loop): Likewise.

2000-09-17  Bruno Haible  <haible@clisp.cons.org>

	* iconvdata/utf-16.c (gconv_init): Add missing slashes to encoding
	names.

2000-09-17  Bruno Haible  <haible@clisp.cons.org>

	* iconvdata/tst-table-from.c (main): Fix test for error on stdout.
	* iconvdata/tst-table-to.c (main): Likewise.

2000-09-17  Bruno Haible  <haible@clisp.cons.org>

	* iconvdata/iso-ir-165.c (__isoir165_from_tab): Renamed from
	__isoir165_tab.
	* iconvdata/cns11643.h (__cns11643l1_to_ucs4_tab): New declaration.
	* iconvdata/iso-2022-cn-ext.c: Include "cns11643.h".
	(GB7590_set, GB13132_set, CNS11643_3_set, CNS11643_4_set,
	CNS11643_5_set, CNS11643_6_set, CNS11643_7_set): Change enum values.
	(BODY for FROM_LOOP): Fix buffer overrun. Treat CNS11643 plane 3.
	Return __GCONV_INCOMPLETE_INPUT instead of __GCONV_EMPTY_INPUT.
	(BODY for TO_LOOP): Fix usage of `set' vs. `used'.  Fix typo that
	caused GB2312 to be used instead of ISO-IR-165. Treat CNS11643
	plane 3.  Fix shift sequences. Output announcement for SS2 and SS3
	encodings when needed.  When outputting an announcement, don't clear
	most other announcements.

2000-09-17  Bruno Haible  <haible@clisp.cons.org>

	* iconvdata/iso-2022-cn.c (BODY for FROM_LOOP): Fix buffer overrun.
	(BODY for TO_LOOP): Fix usage of `set' vs. `used'.

2000-09-14  Bruno Haible  <haible@clisp.cons.org>

	* intl/Versions: Add bind_textdomain_codeset.
Diffstat (limited to 'iconvdata/utf-16.c')
-rw-r--r--iconvdata/utf-16.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/iconvdata/utf-16.c b/iconvdata/utf-16.c
index 4b7fefaf28..aa0d00c119 100644
--- a/iconvdata/utf-16.c
+++ b/iconvdata/utf-16.c
@@ -109,32 +109,32 @@ gconv_init (struct __gconv_step *step)
   enum variant var = illegal_var;
   int result;
 
-  if (__strcasecmp (step->__from_name, "UTF-16") == 0)
+  if (__strcasecmp (step->__from_name, "UTF-16//") == 0)
     {
       dir = from_utf16;
       var = UTF_16;
     }
-  else if (__strcasecmp (step->__to_name, "UTF-16") == 0)
+  else if (__strcasecmp (step->__to_name, "UTF-16//") == 0)
     {
       dir = to_utf16;
       var = UTF_16;
     }
-  else if (__strcasecmp (step->__from_name, "UTF-16BE") == 0)
+  else if (__strcasecmp (step->__from_name, "UTF-16BE//") == 0)
     {
       dir = from_utf16;
       var = UTF_16BE;
     }
-  else if (__strcasecmp (step->__to_name, "UTF-16BE") == 0)
+  else if (__strcasecmp (step->__to_name, "UTF-16BE//") == 0)
     {
       dir = to_utf16;
       var = UTF_16BE;
     }
-  else if (__strcasecmp (step->__from_name, "UTF-16LE") == 0)
+  else if (__strcasecmp (step->__from_name, "UTF-16LE//") == 0)
     {
       dir = from_utf16;
       var = UTF_16LE;
     }
-  else if (__strcasecmp (step->__to_name, "UTF-16LE") == 0)
+  else if (__strcasecmp (step->__to_name, "UTF-16LE//") == 0)
     {
       dir = to_utf16;
       var = UTF_16LE;
@@ -196,6 +196,22 @@ gconv_end (struct __gconv_step *data)
   {									      \
     uint32_t c = get32 (inptr);						      \
 									      \
+    if (__builtin_expect (c >= 0xd800 && c < 0xe000, 0))		      \
+      {									      \
+	/* Surrogate characters in UCS-4 input are not valid.		      \
+	   We must catch this.  If we let surrogates pass through,	      \
+	   attackers could make a security hole exploit by		      \
+	   synthesizing any desired plane 1-16 character.  */		      \
+	if (! ignore_errors_p ())					      \
+	  {								      \
+	    result = __GCONV_ILLEGAL_INPUT;				      \
+	    break;							      \
+	  }								      \
+	inptr += 4;							      \
+	++*irreversible;						      \
+	continue;							      \
+      }									      \
+									      \
     if (swap)								      \
       {									      \
 	if (__builtin_expect (c, 0) >= 0x10000)				      \