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MFB: Added missing boundary checks.

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This commit is contained in:
Ilia Alshanetsky 2006-11-01 01:56:21 +00:00
parent 2b4e4159db
commit 3482d76823
1 changed files with 8 additions and 2 deletions
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10
ext/standard/html.c
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@ -1107,7 +1107,7 @@ PHPAPI char *php_escape_html_entities(char *orig, int oldlen, int *newlen, int a
matches_map = 0;
if (len + 9 > maxlen)
if (len + 16 > maxlen)
replaced = erealloc (replaced, maxlen += 128);
if (all) {
@ -1132,9 +1132,15 @@ PHPAPI char *php_escape_html_entities(char *orig, int oldlen, int *newlen, int a
}
if (matches_map) {
int l = strlen(rep);
/* increase the buffer size */
if (len + 2 + l >= maxlen) {
replaced = erealloc(replaced, maxlen += 128);
}
replaced[len++] = '&';
strcpy(replaced + len, rep);
len += strlen(rep);
len += l;
replaced[len++] = ';';
}
}