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SSL: fixed c->read->ready handling in ngx_ssl_recv().

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If c->read->ready was reset, but later some data were read from a socket
buffer due to a call to ngx_ssl_recv(), the c->read->ready flag should
be restored if not all data were read from OpenSSL buffers (as kernel
won't notify us about the data anymore).

More details are available here:
http://mailman.nginx.org/pipermail/nginx/2013-November/041178.html
This commit is contained in:
Maxim Dounin 2013-11-29 17:16:06 +04:00
parent 6b7e88f36b
commit 067c1d2a4f
1 changed files with 5 additions and 0 deletions
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5
src/event/ngx_event_openssl.c
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@ -1025,6 +1025,7 @@ ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
size -= n; size -= n;
if (size == 0) { if (size == 0) {
c->read->ready = 1;
return bytes; return bytes;
} }
@ -1034,6 +1035,10 @@ ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
} }
if (bytes) { if (bytes) {
if (c->ssl->last != NGX_AGAIN) {
c->read->ready = 1;
}
return bytes; return bytes;
} }