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plugin: post: check unexpected write after protocol unbind

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This commit is contained in:
Andy Green 2021-06-14 11:09:01 +01:00
parent 1c935dff79
commit da17f01878
1 changed files with 7 additions and 0 deletions
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7
plugins/protocol_post_demo.c
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@ -132,6 +132,12 @@ format_result(struct per_session_data__post_demo *pss)
start = p; start = p;
end = p + sizeof(pss->result) - LWS_PRE - 1; end = p + sizeof(pss->result) - LWS_PRE - 1;
if (!pss->spa) {
p += lws_snprintf((char *)p, lws_ptr_diff_size_t(end, p),
"pss->spa already NULL");
goto bail;
}
p += lws_snprintf((char *)p, lws_ptr_diff_size_t(end, p), p += lws_snprintf((char *)p, lws_ptr_diff_size_t(end, p),
"<!DOCTYPE html><html lang=\"en\"><head>" "<!DOCTYPE html><html lang=\"en\"><head>"
"<meta charset=utf-8 http-equiv=\"Content-Language\" " "<meta charset=utf-8 http-equiv=\"Content-Language\" "
@ -162,6 +168,7 @@ format_result(struct per_session_data__post_demo *pss)
p += lws_snprintf((char *)p, lws_ptr_diff_size_t(end, p), "</body></html>"); p += lws_snprintf((char *)p, lws_ptr_diff_size_t(end, p), "</body></html>");
bail:
return (int)lws_ptr_diff(p, start); return (int)lws_ptr_diff(p, start);
} }