mirror of
https://github.com/warmcat/libwebsockets.git
synced 2025-03-16 00:00:07 +01:00
minimal-http-server-dynamic: add tls vhost as well
This commit is contained in:
Andy Green
parent
f256fdea05
commit
f195550972
3 changed files with 210 additions and 24 deletions
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@ -0,0 +1,34 @@
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-----END CERTIFICATE-----
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@ -0,0 +1,52 @@
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-----BEGIN PRIVATE KEY-----
|
||||
MIIJQwIBADANBgkqhkiG9w0BAQEFAASCCS0wggkpAgEAAoICAQCjYtuWaICCY0tJ
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||||
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fBrpEY1IATtPq1taBZZogRqI3rOkkPk=
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-----END PRIVATE KEY-----
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@ -26,8 +26,12 @@
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* that is unrelated to (shorter than) the lifetime of the network connection.
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*/
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struct pss {
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char str[128];
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int len;
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char path[128];
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int times;
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int budget;
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int content_lines;
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};
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static int interrupted;
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@ -37,30 +41,49 @@ callback_dynamic_http(struct lws *wsi, enum lws_callback_reasons reason,
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void *user, void *in, size_t len)
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{
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struct pss *pss = (struct pss *)user;
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uint8_t buf[LWS_PRE + 256], *start = &buf[LWS_PRE], *p = start,
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*end = &buf[sizeof(buf) - 1];
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uint8_t buf[LWS_PRE + 2048], *start = &buf[LWS_PRE], *p = start,
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*end = &buf[sizeof(buf) - LWS_PRE - 1];
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time_t t;
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int n;
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switch (reason) {
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case LWS_CALLBACK_HTTP:
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/* in contains the url part after our mountpoint /dyn, if any */
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lws_snprintf(pss->path, sizeof(pss->path), "%s", (const char *)in);
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t = time(NULL);
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pss->len = lws_snprintf(pss->str, sizeof(pss->str),
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"<html>"
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"<img src=\"/libwebsockets.org-logo.png\">"
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"<br>Dynamic content for '%s' from mountpoint."
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"<br>Time: %s"
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"</html>", (const char *)in, ctime(&t));
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/* prepare and write http headers */
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/*
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* prepare and write http headers... with regards to content-
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* length, there are three approaches:
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*
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* - http/1.0 or connection:close: no need, but no pipelining
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* - http/1.1 or connected:keep-alive
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* (keep-alive is default for 1.1): content-length required
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* - http/2: no need, LWS_WRITE_HTTP_FINAL closes the stream
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*
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* giving the api below LWS_ILLEGAL_HTTP_CONTENT_LEN instead of
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* a content length forces the connection response headers to
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* send back "connection: close", disabling keep-alive.
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*
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* If you know the final content-length, it's always OK to give
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* it and keep-alive can work then if otherwise possible. But
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* often you don't know it and avoiding having to compute it
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* at header-time makes life easier at the server.
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*/
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if (lws_add_http_common_headers(wsi, HTTP_STATUS_OK,
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"text/html", pss->len, &p, end))
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"text/html",
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LWS_ILLEGAL_HTTP_CONTENT_LEN, /* no content len */
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&p, end))
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return 1;
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if (lws_finalize_write_http_header(wsi, start, &p, end))
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return 1;
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pss->times = 0;
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pss->budget = atoi(in + 1);
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pss->content_lines = 0;
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if (!pss->budget)
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pss->budget = 10;
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/* write the body separately */
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lws_callback_on_writable(wsi);
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@ -68,16 +91,65 @@ callback_dynamic_http(struct lws *wsi, enum lws_callback_reasons reason,
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case LWS_CALLBACK_HTTP_WRITEABLE:
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if (!pss || !pss->len)
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if (!pss || pss->times > pss->budget)
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break;
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/*
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* Use LWS_WRITE_HTTP for intermediate writes, on http/2
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* lws uses this to understand to end the stream with this
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* frame
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* We send a large reply in pieces of around 2KB each.
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*
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* For http/1, it's possible to send a large buffer at once,
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* but lws will malloc() up a temp buffer to hold any data
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* that the kernel didn't accept in one go. This is expensive
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* in memory and cpu, so it's better to stage the creation of
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* the data to be sent each time.
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*
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* For http/2, large data frames would block the whole
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* connection, not just the stream and are not allowed. Lws
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* will call back on writable when the stream both has transmit
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* credit and the round-robin fair access for sibling streams
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* allows it.
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*
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* For http/2, we must send the last part with
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* LWS_WRITE_HTTP_FINAL to close the stream representing
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* this transaction.
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*/
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if (lws_write(wsi, (uint8_t *)pss->str, pss->len,
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LWS_WRITE_HTTP_FINAL) != pss->len)
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n = LWS_WRITE_HTTP;
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if (pss->times == pss->budget)
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n = LWS_WRITE_HTTP_FINAL;
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if (!pss->times) {
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/*
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* the first time, we print some html title
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*/
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t = time(NULL);
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/*
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* to work with http/2, we must take care about LWS_PRE
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* valid behind the buffer we will send.
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*/
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p += lws_snprintf((char *)p, end - p, "<html>"
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"<img src=\"/libwebsockets.org-logo.png\">"
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"<br>Dynamic content for '%s' from mountpoint."
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"<br>Time: %s<br><br>"
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"</html>", pss->path, ctime(&t));
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} else {
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/*
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* after the first time, we create bulk content.
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*
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* Again we take care about LWS_PRE valid behind the
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* buffer we will send.
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*/
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while (lws_ptr_diff(end, p) > 80)
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p += lws_snprintf((char *)p, end - p,
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"%d.%d: this is some content... ",
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pss->times, pss->content_lines++);
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p += lws_snprintf((char *)p, end - p, "<br><br>");
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}
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pss->times++;
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if (lws_write(wsi, (uint8_t *)start, lws_ptr_diff(p, start), n) !=
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lws_ptr_diff(p, start))
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return 1;
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/*
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@ -85,8 +157,11 @@ callback_dynamic_http(struct lws *wsi, enum lws_callback_reasons reason,
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* HTTP/1.1 or HTTP1.0 + KA: wait / process next transaction
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* HTTP/2: stream ended, parent connection remains up
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*/
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if (lws_http_transaction_completed(wsi))
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if (n == LWS_WRITE_HTTP_FINAL) {
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if (lws_http_transaction_completed(wsi))
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return -1;
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} else
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lws_callback_on_writable(wsi);
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return 0;
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@ -173,9 +248,8 @@ int main(int argc, const char **argv)
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lwsl_user("LWS minimal http server dynamic | visit http://localhost:7681\n");
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memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
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info.port = 7681;
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info.protocols = protocols;
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info.mounts = &mount;
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info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT |
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LWS_SERVER_OPTION_EXPLICIT_VHOSTS;
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/* for testing ah queue, not useful in real world */
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if (lws_cmdline_option(argc, argv, "--ah1"))
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@ -187,9 +261,35 @@ int main(int argc, const char **argv)
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return 1;
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}
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/* http on 7681 */
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info.port = 7681;
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info.protocols = protocols;
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info.mounts = &mount;
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info.vhost_name = "http";
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if (!lws_create_vhost(context, &info)) {
|
||||
lwsl_err("Failed to create tls vhost\n");
|
||||
goto bail;
|
||||
}
|
||||
|
||||
/* https on 7682 */
|
||||
|
||||
info.port = 7682;
|
||||
info.error_document_404 = "/404.html";
|
||||
info.ssl_cert_filepath = "localhost-100y.cert";
|
||||
info.ssl_private_key_filepath = "localhost-100y.key";
|
||||
info.vhost_name = "localhost";
|
||||
|
||||
if (!lws_create_vhost(context, &info)) {
|
||||
lwsl_err("Failed to create tls vhost\n");
|
||||
goto bail;
|
||||
}
|
||||
|
||||
while (n >= 0 && !interrupted)
|
||||
n = lws_service(context, 1000);
|
||||
|
||||
bail:
|
||||
lws_context_destroy(context);
|
||||
|
||||
return 0;
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue