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43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
# HG changeset patch
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# User Yichun Zhang <agentzh@openresty.org>
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# Date 1451762084 28800
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# Sat Jan 02 11:14:44 2016 -0800
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# Node ID 449f0461859c16e95bdb18e8be6b94401545d3dd
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# Parent 78b4e10b4367b31367aad3c83c9c3acdd42397c4
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SSL: handled SSL_CTX_set_cert_cb() callback yielding.
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OpenSSL 1.0.2+ introduces SSL_CTX_set_cert_cb() to allow custom
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callbacks to serve the SSL certificiates and private keys dynamically
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and lazily. The callbacks may yield for nonblocking I/O or sleeping.
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Here we added support for such usage in NGINX 3rd-party modules
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(like ngx_lua) in NGINX's event handlers for downstream SSL
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connections.
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diff -r 78b4e10b4367 -r 449f0461859c src/event/ngx_event_openssl.c
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--- a/src/event/ngx_event_openssl.c Thu Dec 17 16:39:15 2015 +0300
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+++ b/src/event/ngx_event_openssl.c Sat Jan 02 11:14:44 2016 -0800
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@@ -1210,6 +1210,23 @@
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return NGX_AGAIN;
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}
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+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
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+ if (sslerr == SSL_ERROR_WANT_X509_LOOKUP) {
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+ c->read->handler = ngx_ssl_handshake_handler;
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+ c->write->handler = ngx_ssl_handshake_handler;
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+
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+ if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
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+ return NGX_ERROR;
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+ }
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+
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+ if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
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+ return NGX_ERROR;
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+ }
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+
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+ return NGX_AGAIN;
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+ }
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+#endif
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+
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err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
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c->ssl->no_wait_shutdown = 1;
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