int ff_tls_open_underlying(TLSShared *c, URLContext *parent, const char *uri, AVDictionary **options) { int port; const char *p; char buf[200], opts[50] = ""; struct addrinfo hints = { 0 }, *ai = NULL; const char *proxy_path; int use_proxy; set_options(c, uri); if (c->listen) snprintf(opts, sizeof(opts), "?listen=1"); av_url_split(NULL, 0, NULL, 0, c->host, sizeof(c->host), &port, NULL, 0, uri); p = strchr(uri, '?'); if (!p) { p = opts; } else { if (av_find_info_tag(opts, sizeof(opts), "listen", p)) c->listen = 1; } ff_url_join(buf, sizeof(buf), "tcp", NULL, c->host, port, "%s", p); hints.ai_flags = AI_NUMERICHOST; if (!getaddrinfo(c->host, NULL, &hints, &ai)) { c->numerichost = 1; freeaddrinfo(ai); } proxy_path = getenv("http_proxy"); use_proxy = !ff_http_match_no_proxy(getenv("no_proxy"), c->host) && proxy_path && av_strstart(proxy_path, "http://", NULL); if (use_proxy) { char proxy_host[200], proxy_auth[200], dest[200]; int proxy_port; av_url_split(NULL, 0, proxy_auth, sizeof(proxy_auth), proxy_host, sizeof(proxy_host), &proxy_port, NULL, 0, proxy_path); ff_url_join(dest, sizeof(dest), NULL, NULL, c->host, port, NULL); ff_url_join(buf, sizeof(buf), "httpproxy", proxy_auth, proxy_host, proxy_port, "/%s", dest); } return ffurl_open(&c->tcp, buf, AVIO_FLAG_READ_WRITE, &parent->interrupt_callback, options); }