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Reject UTF-8 XML files that start with a BOM.

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This commit is contained in:
Michael R Sweet 2009-03-19 05:27:26 +00:00
parent fcdfa5a09d
commit 3f34b234cc
2 changed files with 49 additions and 2 deletions
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4
CHANGES
View File

@ -1,8 +1,10 @@
CHANGES - 2008-11-28
CHANGES - 2009-03-18
--------------------
CHANGES IN Mini-XML 2.6
- The XML parser now rejects UTF-8 XML files that start with a BOM
(STR #89)
- The mxmldoc program now supports generating Xcode documentation
sets.
- mxmlNewXML() now adds encoding="utf-8" in the ?xml directive

47
mxml-file.c
View File

@ -3,7 +3,7 @@
*
* File loading code for Mini-XML, a small XML-like file parsing library.
*
* Copyright 2003-2008 by Michael Sweet.
* Copyright 2003-2009 by Michael Sweet.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -803,7 +803,10 @@ mxml_fd_getc(void *p, /* I - File descriptor buffer */
ch = ((ch & 0x1f) << 6) | (temp & 0x3f);
if (ch < 0x80)
{
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
return (EOF);
}
}
else if ((ch & 0xf0) == 0xe0)
{
@ -834,7 +837,16 @@ mxml_fd_getc(void *p, /* I - File descriptor buffer */
ch = (ch << 6) | (temp & 0x3f);
if (ch < 0x800)
{
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
return (EOF);
}
if (ch < 0xfeff)
{
mxml_error("Invalid BOM in UTF-8 XML!");
return (EOF);
}
}
else if ((ch & 0xf8) == 0xf0)
{
@ -876,7 +888,10 @@ mxml_fd_getc(void *p, /* I - File descriptor buffer */
ch = (ch << 6) | (temp & 0x3f);
if (ch < 0x10000)
{
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
return (EOF);
}
}
else
return (EOF);
@ -1227,7 +1242,10 @@ mxml_file_getc(void *p, /* I - Pointer to file */
ch = ((ch & 0x1f) << 6) | (temp & 0x3f);
if (ch < 0x80)
{
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
return (EOF);
}
}
else if ((ch & 0xf0) == 0xe0)
{
@ -1246,7 +1264,16 @@ mxml_file_getc(void *p, /* I - Pointer to file */
ch = (ch << 6) | (temp & 0x3f);
if (ch < 0x800)
{
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
return (EOF);
}
if (ch < 0xfeff)
{
mxml_error("Invalid BOM in UTF-8 XML!");
return (EOF);
}
}
else if ((ch & 0xf8) == 0xf0)
{
@ -1270,7 +1297,10 @@ mxml_file_getc(void *p, /* I - Pointer to file */
ch = (ch << 6) | (temp & 0x3f);
if (ch < 0x10000)
{
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
return (EOF);
}
}
else
return (EOF);
@ -2450,7 +2480,10 @@ mxml_string_getc(void *p, /* I - Pointer to file */
(*s)++;
if (ch < 0x80)
{
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
return (EOF);
}
#if DEBUG > 1
printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
@ -2473,7 +2506,16 @@ mxml_string_getc(void *p, /* I - Pointer to file */
(*s) += 2;
if (ch < 0x800)
{
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
return (EOF);
}
if (ch < 0xfeff)
{
mxml_error("Invalid BOM in UTF-8 XML!");
return (EOF);
}
#if DEBUG > 1
printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
@ -2498,7 +2540,10 @@ mxml_string_getc(void *p, /* I - Pointer to file */
(*s) += 3;
if (ch < 0x10000)
{
mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
return (EOF);
}
#if DEBUG > 1
printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);