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Strip dangerous control codes in sanitize().

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default 2023-03-06 11:06:35 +01:00
parent 79ea0bf4ab
commit 49f2f498de
1 changed files with 10 additions and 1 deletions
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11
format.c
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@ -179,11 +179,20 @@ d_char *sanitize(const char *content)
xs *sl;
int n = 0;
char *p, *v;
xs *content2 = xs_dup(content);
sl = xs_regex_split(content, "</?[^>]+>");
/* strip dangerous control codes */
for (n = 0; content2[n]; n++) {
if (content2[n] > 0x0 && content2[n] < 0x20 &&
content2[n] != '\r' && content2[n] != '\n')
content2[n] = ' ';
}
sl = xs_regex_split(content2, "</?[^>]+>");
p = sl;
n = 0;
while (xs_list_iter(&p, &v)) {
if (n & 0x1) {
xs *s1 = xs_strip_i(xs_crop_i(xs_dup(v), v[1] == '/' ? 2 : 1, -1));