void ne_session_proxy(ne_session *sess, const char *hostname,
unsigned int port)
{
sess->use_proxy = 1;
if (sess->proxy.hostname) ne_free(sess->proxy.hostname);
set_hostinfo(&sess->proxy, hostname, port);
}
ne_session *ne_session_create(const char *scheme,
const char *hostname, unsigned int port)
{
ne_session *sess = ne_calloc(sizeof *sess);
NE_DEBUG(NE_DBG_HTTP, "HTTP session to %s://%s:%d begins.\n",
scheme, hostname, port);
strcpy(sess->error, "Unknown error.");
/* use SSL if scheme is https */
sess->use_ssl = !strcmp(scheme, "https");
/* set the hostname/port */
set_hostinfo(&sess->server, hostname, port);
set_hostport(&sess->server, sess->use_ssl?443:80);
#ifdef NE_HAVE_SSL
if (sess->use_ssl) {
sess->ssl_context = ne_ssl_context_create(0);
sess->flags[NE_SESSFLAG_SSLv2] = 1;
}
#endif
sess->scheme = ne_strdup(scheme);
/* Set flags which default to on: */
sess->flags[NE_SESSFLAG_PERSIST] = 1;
return sess;
}
void ne_session_proxy(ne_session *sess, const char *hostname,
unsigned int port)
{
free_proxies(sess);
sess->proxies = ne_calloc(sizeof *sess->proxies);
sess->any_proxy_http = 1;
set_hostinfo(sess->proxies, PROXY_HTTP, hostname, port);
}
ne_session *ne_session_create(const char *scheme,
const char *hostname, unsigned int port)
{
ne_session *sess = ne_calloc(sizeof *sess);
NE_DEBUG(NE_DBG_HTTP, "HTTP session to %s://%s:%d begins.\n",
scheme, hostname, port);
strcpy(sess->error, "Unknown error.");
/* use SSL if scheme is https */
sess->use_ssl = !strcmp(scheme, "https");
/* set the hostname/port */
set_hostinfo(&sess->server, PROXY_NONE, hostname, port);
set_hostport(&sess->server, sess->use_ssl?443:80);
#ifdef NE_HAVE_SSL
if (sess->use_ssl) {
ne_inet_addr *ia;
sess->ssl_context = ne_ssl_context_create(0);
sess->flags[NE_SESSFLAG_SSLv2] = 1;
/* If the hostname parses as an IP address, don't
* enable SNI by default. */
ia = ne_iaddr_parse(hostname, ne_iaddr_ipv4);
if (ia == NULL)
ia = ne_iaddr_parse(hostname, ne_iaddr_ipv6);
if (ia) {
ne_iaddr_free(ia);
}
else {
sess->flags[NE_SESSFLAG_TLS_SNI] = 1;
}
NE_DEBUG(NE_DBG_SSL, "ssl: SNI %s by default.\n",
sess->flags[NE_SESSFLAG_TLS_SNI] ?
"enabled" : "disabled");
}
#endif
sess->scheme = ne_strdup(scheme);
/* Set flags which default to on: */
sess->flags[NE_SESSFLAG_PERSIST] = 1;
return sess;
}
void ne_session_socks_proxy(ne_session *sess, enum ne_sock_sversion vers,
const char *hostname, unsigned int port,
const char *username, const char *password)
{
free_proxies(sess);
sess->proxies = ne_calloc(sizeof *sess->proxies);
set_hostinfo(sess->proxies, PROXY_SOCKS, hostname, port);
sess->socks_ver = vers;
if (username) sess->socks_user = ne_strdup(username);
if (password) sess->socks_password = ne_strdup(password);
}
void ne_session_system_proxy(ne_session *sess, unsigned int flags)
{
#ifdef HAVE_LIBPROXY
pxProxyFactory *pxf = px_proxy_factory_new();
struct host_info *hi, **lasthi;
char *url, **proxies;
ne_uri uri;
unsigned n;
free_proxies(sess);
/* Create URI for session to pass off to libproxy */
memset(&uri, 0, sizeof uri);
ne_fill_server_uri(sess, &uri);
uri.path = "/"; /* make valid URI structure. */
url = ne_uri_unparse(&uri);
uri.path = NULL;
/* Get list of pseudo-URIs from libproxy: */
proxies = px_proxy_factory_get_proxies(pxf, url);
for (n = 0, lasthi = &sess->proxies; proxies[n]; n++) {
enum proxy_type ptype;
ne_uri_free(&uri);
NE_DEBUG(NE_DBG_HTTP, "sess: libproxy #%u=%s\n",
n, proxies[n]);
if (ne_uri_parse(proxies[n], &uri))
continue;
if (!uri.scheme) continue;
if (ne_strcasecmp(uri.scheme, "http") == 0)
ptype = PROXY_HTTP;
else if (ne_strcasecmp(uri.scheme, "socks") == 0)
ptype = PROXY_SOCKS;
else if (ne_strcasecmp(uri.scheme, "direct") == 0)
ptype = PROXY_NONE;
else
continue;
/* Hostname/port required for http/socks schemes. */
if (ptype != PROXY_NONE && !(uri.host && uri.port))
continue;
/* Do nothing if libproxy returned only a single "direct://"
* entry -- a single "direct" (noop) proxy is equivalent to
* having none. */
if (n == 0 && proxies[1] == NULL && ptype == PROXY_NONE)
break;
NE_DEBUG(NE_DBG_HTTP, "sess: Got proxy %s://%s:%d\n",
uri.scheme, uri.host ? uri.host : "(none)",
uri.port);
hi = *lasthi = ne_calloc(sizeof *hi);
if (ptype == PROXY_NONE) {
/* A "direct" URI requires an attempt to connect directly to
* the origin server, so dup the server details. */
set_hostinfo(hi, ptype, sess->server.hostname,
sess->server.port);
}
else {
/* SOCKS/HTTP proxy. */
set_hostinfo(hi, ptype, uri.host, uri.port);
if (ptype == PROXY_HTTP)
sess->any_proxy_http = 1;
else if (ptype == PROXY_SOCKS)
sess->socks_ver = NE_SOCK_SOCKSV5;
}
lasthi = &hi->next;
}
/* Free up the proxies array: */
for (n = 0; proxies[n]; n++)
free(proxies[n]);
free(proxies[n]);
ne_free(url);
ne_uri_free(&uri);
px_proxy_factory_free(pxf);
#endif
}
