mirror of
https://github.com/warmcat/libwebsockets.git
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85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/*
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* libwebsockets - small server side websockets and web server implementation
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*
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* Copyright (C) 2010-2019 Andy Green <andy@warmcat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation:
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* version 2.1 of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include "core/private.h"
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LWS_VISIBLE int
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lws_set_proxy(struct lws_vhost *vhost, const char *proxy)
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{
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char *p;
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char authstring[96];
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if (!proxy)
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return -1;
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/* we have to deal with a possible redundant leading http:// */
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if (!strncmp(proxy, "http://", 7))
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proxy += 7;
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p = strrchr(proxy, '@');
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if (p) { /* auth is around */
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if ((unsigned int)(p - proxy) > sizeof(authstring) - 1)
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goto auth_too_long;
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lws_strncpy(authstring, proxy, p - proxy + 1);
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// null termination not needed on input
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if (lws_b64_encode_string(authstring, lws_ptr_diff(p, proxy),
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vhost->proxy_basic_auth_token,
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sizeof vhost->proxy_basic_auth_token) < 0)
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goto auth_too_long;
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lwsl_info(" Proxy auth in use\n");
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#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
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proxy = p + 1;
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#endif
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} else
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vhost->proxy_basic_auth_token[0] = '\0';
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#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
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lws_strncpy(vhost->http.http_proxy_address, proxy,
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sizeof(vhost->http.http_proxy_address));
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p = strchr(vhost->http.http_proxy_address, ':');
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if (!p && !vhost->http.http_proxy_port) {
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lwsl_err("http_proxy needs to be ads:port\n");
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return -1;
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} else {
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if (p) {
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*p = '\0';
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vhost->http.http_proxy_port = atoi(p + 1);
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}
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}
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lwsl_info(" Proxy %s:%u\n", vhost->http.http_proxy_address,
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vhost->http.http_proxy_port);
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#endif
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return 0;
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auth_too_long:
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lwsl_err("proxy auth too long\n");
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return -1;
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}
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