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post form parsing fix retry as new boundary start needed after mismatching boundary

Browse source 
https://github.com/warmcat/libwebsockets/issues/641
This commit is contained in:
Andy Green 2016-10-04 08:24:00 +08:00
parent 939bb7f6e9
commit 8187c76943
1 changed files with 4 additions and 0 deletions
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4
lib/server.c
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@ -2288,6 +2288,7 @@ lws_urldecode_s_process(struct lws_urldecode_stateful *s, const char *in, int le
/* states for multipart / mime style */
case MT_LOOK_BOUND_IN:
retry_as_first:
if (*in == s->mime_boundary[s->mp] &&
s->mime_boundary[s->mp]) {
in++;
@ -2314,8 +2315,11 @@ lws_urldecode_s_process(struct lws_urldecode_stateful *s, const char *in, int le
n = 0;
if (!s->boundary_real_crlf)
n = 2;
memcpy(s->out + s->pos, s->mime_boundary + n, s->mp - n);
s->pos += s->mp;
s->mp = 0;
goto retry_as_first;
}
s->out[s->pos++] = *in;