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added more character escaping to stat module

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This commit is contained in:
Roman Arutyunyan 2012-11-06 19:53:47 +04:00
parent 8a96e7942a
commit 1ef89f4089
1 changed files with 45 additions and 0 deletions
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45
ngx_rtmp_stat_module.c
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@ -100,6 +100,44 @@ ngx_module_t ngx_rtmp_stat_module = {
#define NGX_RTMP_STAT_BUFSIZE 256
/* ngx_escape_html does not escape characters out of ASCII range
* which are bad for xslt */
static void *
ngx_rtmp_stat_escape(ngx_http_request_t *r, void *data, size_t len)
{
u_char *p, *np;
void *new_data;
size_t n;
p = data;
for (n = 0; n < len; ++n, ++p) {
if (*p < 0x20 || *p >= 0x7f) {
break;
}
}
if (n == len) {
return data;
}
new_data = ngx_palloc(r->pool, len);
if (new_data == NULL) {
return NULL;
}
p = data;
np = new_data;
for (n = 0; n < len; ++n, ++p, ++np) {
*np = (*p < 0x20 || *p >= 0x7f) ? (u_char) ' ' : *p;
}
return new_data;
}
static void
ngx_rtmp_stat_output(ngx_http_request_t *r, ngx_chain_t ***lll,
void *data, size_t len, ngx_uint_t escape)
@ -112,6 +150,13 @@ ngx_rtmp_stat_output(ngx_http_request_t *r, ngx_chain_t ***lll,
return;
}
if (escape) {
data = ngx_rtmp_stat_escape(r, data, len);
if (data == NULL) {
return;
}
}
real_len = escape
? len + ngx_escape_html(NULL, data, len)
: len;