std::string Client::connect(const std::string& httpURL)
{
auto colpos = httpURL.find_first_of("://");
if (colpos < 4 || colpos > 5)
return std::string();
ctx = std::make_shared<ClientCtx>();
ctx->scheme.fill(0x00);
::memcpy(ctx->scheme.data(), httpURL.data(), colpos);
for(unsigned c = 0; c < 5; ++c)
ctx->scheme[c] = std::tolower(ctx->scheme[c]);
ctx->host_and_port = ExtractHostPortHttp(httpURL);
ctx->port = ctx->isHttps() ? 443 : 80;
ne_session* ne = nullptr;
auto pos = ctx->host_and_port.find_first_of(':');
if (std::string::npos != pos)
{//case format host.com:443
char* end = nullptr;
ctx->port = ::strtol(ctx->host_and_port.data() + (1 + pos), &end, 10);
std::array<char, 80> hostStr;
hostStr.fill(0x00);
::memcpy(hostStr.data(), ctx->host_and_port.data(), pos);
ne = ne_session_create(ctx->scheme.data(), hostStr.data(), ctx->port);
}
else
{//case format host.com (no port)
ne = ne_session_create(ctx->scheme.data(), ctx->host_and_port.data(), ctx->port);
std::array<char,8> temp; temp.fill(0);
::snprintf(temp.data(), temp.size(), ":%u", ctx->port);
ctx->host_and_port.append(temp.data());
}
ctx->sess = ne;
ne_set_useragent(ctx->sess, "libneon");
if (ctx->isHttps())
{
ne_ssl_trust_default_ca(ne);
ne_ssl_set_verify(ne, &AcceptAllSSL, nullptr);
}
return ctx->host_and_port;
}
static int setup_ssl(void)
{
char *ccfn = get_option(opt_clicert);
ne_ssl_trust_default_ca(session.sess);
ne_ssl_set_verify(session.sess, cert_verify, NULL);
if (ccfn) {
client_cert = ne_ssl_clicert_read(ccfn);
if (client_cert) {
ne_ssl_provide_clicert(session.sess, provide_clicert, ccfn);
} else {
printf("Could not load client certificate from `%s'.\n",
ccfn);
}
}
return 0;
}
static int open_handle (struct neon_handle * handle, uint64_t startbyte)
{
int ret;
char * proxy_host = NULL;
int proxy_port = 0;
bool_t use_proxy = aud_get_bool (NULL, "use_proxy");
bool_t use_proxy_auth = aud_get_bool (NULL, "use_proxy_auth");
if (use_proxy)
{
proxy_host = aud_get_str (NULL, "proxy_host");
proxy_port = aud_get_int (NULL, "proxy_port");
}
handle->redircount = 0;
_DEBUG ("<%p> Parsing URL", handle);
if (ne_uri_parse (handle->url, handle->purl) != 0)
{
_ERROR ("<%p> Could not parse URL '%s'", (void *) handle, handle->url);
return -1;
}
while (handle->redircount < 10)
{
if (! handle->purl->port)
handle->purl->port = ne_uri_defaultport (handle->purl->scheme);
_DEBUG ("<%p> Creating session to %s://%s:%d", handle,
handle->purl->scheme, handle->purl->host, handle->purl->port);
handle->session = ne_session_create (handle->purl->scheme,
handle->purl->host, handle->purl->port);
ne_redirect_register (handle->session);
ne_add_server_auth (handle->session, NE_AUTH_BASIC, server_auth_callback, (void *) handle);
ne_set_session_flag (handle->session, NE_SESSFLAG_ICYPROTO, 1);
ne_set_session_flag (handle->session, NE_SESSFLAG_PERSIST, 0);
#ifdef HAVE_NE_SET_CONNECT_TIMEOUT
ne_set_connect_timeout (handle->session, 10);
#endif
ne_set_read_timeout (handle->session, 10);
ne_set_useragent (handle->session, "Audacious/" PACKAGE_VERSION);
if (use_proxy)
{
_DEBUG ("<%p> Using proxy: %s:%d", handle, proxy_host, proxy_port);
ne_session_proxy (handle->session, proxy_host, proxy_port);
if (use_proxy_auth)
{
_DEBUG ("<%p> Using proxy authentication", handle);
ne_add_proxy_auth (handle->session, NE_AUTH_BASIC,
neon_proxy_auth_cb, (void *) handle);
}
}
if (! strcmp ("https", handle->purl->scheme))
{
ne_ssl_trust_default_ca (handle->session);
ne_ssl_set_verify (handle->session,
neon_vfs_verify_environment_ssl_certs, handle->session);
}
_DEBUG ("<%p> Creating request", handle);
ret = open_request (handle, startbyte);
if (! ret)
{
str_unref (proxy_host);
return 0;
}
if (ret == -1)
{
ne_session_destroy (handle->session);
handle->session = NULL;
str_unref (proxy_host);
return -1;
}
_DEBUG ("<%p> Following redirect...", handle);
ne_session_destroy (handle->session);
handle->session = NULL;
}
/* If we get here, our redirect count exceeded */
_ERROR ("<%p> Redirect count exceeded for URL %s", (void *) handle, handle->url);
str_unref (proxy_host);
return 1;
}
/*
* Connect to a DAV server
* This function sets the flag _connected if the connection is established
* and returns if the flag is set, so calling it frequently is save.
*/
static int dav_connect(const char *base_url) {
int timeout = 30;
int useSSL = 0;
int rc;
char protocol[6];
char uaBuf[256];
char *path = NULL;
char *scheme = NULL;
char *host = NULL;
unsigned int port = 0;
if (_connected) {
return 0;
}
rc = c_parse_uri( base_url, &scheme, &dav_session.user, &dav_session.pwd, &host, &port, &path );
if( rc < 0 ) {
DEBUG_WEBDAV("Failed to parse uri %s", base_url );
goto out;
}
DEBUG_WEBDAV("* scheme %s", scheme ? scheme : "empty");
DEBUG_WEBDAV("* host %s", host ? host : "empty");
DEBUG_WEBDAV("* port %u", port );
DEBUG_WEBDAV("* path %s", path ? path : "empty");
if( strcmp( scheme, "owncloud" ) == 0 ) {
strncpy( protocol, "http", 6);
} else if( strcmp( scheme, "ownclouds" ) == 0 ) {
strncpy( protocol, "https", 6 );
useSSL = 1;
} else {
strncpy( protocol, "", 6 );
DEBUG_WEBDAV("Invalid scheme %s, go outa here!", scheme );
rc = -1;
goto out;
}
DEBUG_WEBDAV("* user %s", dav_session.user ? dav_session.user : "");
if (port == 0) {
port = ne_uri_defaultport(protocol);
}
rc = ne_sock_init();
DEBUG_WEBDAV("ne_sock_init: %d", rc );
if (rc < 0) {
rc = -1;
goto out;
}
dav_session.ctx = ne_session_create( protocol, host, port);
if (dav_session.ctx == NULL) {
DEBUG_WEBDAV("Session create with protocol %s failed", protocol );
rc = -1;
goto out;
}
ne_set_read_timeout(dav_session.ctx, timeout);
snprintf( uaBuf, sizeof(uaBuf), "csyncoC/%s",CSYNC_STRINGIFY( LIBCSYNC_VERSION ));
ne_set_useragent( dav_session.ctx, c_strdup( uaBuf ));
ne_set_server_auth(dav_session.ctx, ne_auth, 0 );
if( useSSL ) {
if (!ne_has_support(NE_FEATURE_SSL)) {
DEBUG_WEBDAV("Error: SSL is not enabled.");
rc = -1;
goto out;
}
ne_ssl_trust_default_ca( dav_session.ctx );
ne_ssl_set_verify( dav_session.ctx, verify_sslcert, 0 );
}
_connected = 1;
rc = 0;
out:
SAFE_FREE(path);
SAFE_FREE(host);
SAFE_FREE(scheme);
return rc;
}
void upsdrv_initups(void)
{
int ret;
char *val;
FILE *fp;
#if HAVE_NE_SET_CONNECT_TIMEOUT && HAVE_NE_SOCK_CONNECT_TIMEOUT
/* we don't need to use alarm() */
#else
struct sigaction sa;
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sa.sa_handler = netxml_alarm_handler;
sigaction(SIGALRM, &sa, NULL);
#endif
/* allow override of default network timeout value */
val = getval("timeout");
if (val) {
timeout = atoi(val);
if (timeout < 1) {
fatalx(EXIT_FAILURE, "timeout must be greater than 0");
}
}
val = getval("shutdown_duration");
if (val) {
shutdown_duration = atoi(val);
if (shutdown_duration < 0) {
fatalx(EXIT_FAILURE, "shutdown duration must be greater than or equal to 0");
}
}
val = getval("shutdown_timer");
if (val) {
shutdown_timer = atoi(val);
if (shutdown_timer < 0) {
fatalx(EXIT_FAILURE, "shutdown timer must be greater than or equal to 0");
}
}
if (nut_debug_level > 5) {
ne_debug_init(stderr, NE_DBG_HTTP | NE_DBG_HTTPBODY);
}
if (ne_sock_init()) {
fatalx(EXIT_FAILURE, "%s: failed to initialize socket libraries", progname);
}
if (ne_uri_parse(device_path, &uri) || uri.host == NULL) {
fatalx(EXIT_FAILURE, "%s: invalid hostname '%s'", progname, device_path);
}
/*
if (uri.scheme == NULL) {
uri.scheme = strdup("http");
}
if (uri.host == NULL) {
uri.host = strdup(device_path);
}
*/
if (uri.port == 0) {
uri.port = ne_uri_defaultport(uri.scheme);
}
upsdebugx(1, "using %s://%s port %d", uri.scheme, uri.host, uri.port);
session = ne_session_create(uri.scheme, uri.host, uri.port);
/* timeout if we can't (re)connect to the UPS */
#ifdef HAVE_NE_SET_CONNECT_TIMEOUT
ne_set_connect_timeout(session, timeout);
#endif
/* just wait for a couple of seconds */
ne_set_read_timeout(session, timeout);
ne_set_useragent(session, subdriver->version);
if (strcasecmp(uri.scheme, "https") == 0) {
ne_ssl_trust_default_ca(session);
}
ne_set_server_auth(session, netxml_authenticate, NULL);
/* if debug level is set, direct output to stderr */
if (!nut_debug_level) {
fp = fopen("/dev/null", "w");
} else {
fp = stderr;
}
if (!fp) {
fatal_with_errno(EXIT_FAILURE, "Connectivity test failed");
}
/* see if we have a connection */
ret = ne_get(session, subdriver->initups, fileno(fp));
if (!nut_debug_level) {
fclose(fp);
} else {
fprintf(fp, "\n");
}
if (ret != NE_OK) {
fatalx(EXIT_FAILURE, "Connectivity test: %s", ne_get_error(session));
}
upslogx(LOG_INFO, "Connectivity test: %s", ne_get_error(session));
}
/*
* Connect to a DAV server
* This function sets the flag _connected if the connection is established
* and returns if the flag is set, so calling it frequently is save.
*/
static int dav_connect(const char *base_url) {
int useSSL = 0;
int rc;
char protocol[6] = {'\0'};
char uaBuf[256];
char *path = NULL;
char *scheme = NULL;
char *host = NULL;
unsigned int port = 0;
int proxystate = -1;
if (_connected) {
return 0;
}
rc = c_parse_uri( base_url, &scheme, &dav_session.user, &dav_session.pwd, &host, &port, &path );
if( rc < 0 ) {
DEBUG_WEBDAV("Failed to parse uri %s", base_url );
goto out;
}
DEBUG_WEBDAV("* scheme %s", scheme );
DEBUG_WEBDAV("* host %s", host );
DEBUG_WEBDAV("* port %u", port );
DEBUG_WEBDAV("* path %s", path );
if( strcmp( scheme, "owncloud" ) == 0 ) {
strcpy( protocol, "http");
} else if( strcmp( scheme, "ownclouds" ) == 0 ) {
strcpy( protocol, "https");
useSSL = 1;
} else {
DEBUG_WEBDAV("Invalid scheme %s, go outa here!", scheme );
rc = -1;
goto out;
}
DEBUG_WEBDAV("* user %s", dav_session.user ? dav_session.user : "");
if (port == 0) {
port = ne_uri_defaultport(protocol);
}
#if 0
rc = ne_sock_init();
DEBUG_WEBDAV("ne_sock_init: %d", rc );
if (rc < 0) {
rc = -1;
goto out;
}
#endif
dav_session.ctx = ne_session_create( protocol, host, port);
if (dav_session.ctx == NULL) {
DEBUG_WEBDAV("Session create with protocol %s failed", protocol );
rc = -1;
goto out;
}
if (dav_session.read_timeout == 0)
dav_session.read_timeout = 300; // set 300 seconds as default.
ne_set_read_timeout(dav_session.ctx, dav_session.read_timeout);
snprintf( uaBuf, sizeof(uaBuf), "Mozilla/5.0 (%s) csyncoC/%s",
get_platform(), CSYNC_STRINGIFY( LIBCSYNC_VERSION ));
ne_set_useragent( dav_session.ctx, uaBuf);
ne_set_server_auth(dav_session.ctx, ne_auth, 0 );
if( useSSL ) {
if (!ne_has_support(NE_FEATURE_SSL)) {
DEBUG_WEBDAV("Error: SSL is not enabled.");
rc = -1;
goto out;
}
ne_ssl_trust_default_ca( dav_session.ctx );
ne_ssl_set_verify( dav_session.ctx, verify_sslcert, 0 );
}
/* Hook called when a request is created. It sets the proxy connection header. */
ne_hook_create_request( dav_session.ctx, request_created_hook, NULL );
/* Hook called after response headers are read. It gets the Session ID. */
ne_hook_post_headers( dav_session.ctx, post_request_hook, NULL );
/* Hook called before a request is sent. It sets the cookies. */
ne_hook_pre_send( dav_session.ctx, pre_send_hook, NULL );
/* Hook called after request is dispatched. Used for handling possible redirections. */
ne_hook_post_send( dav_session.ctx, post_send_hook, NULL );
/* Proxy support */
proxystate = configureProxy( dav_session.ctx );
if( proxystate < 0 ) {
DEBUG_WEBDAV("Error: Proxy-Configuration failed.");
} else if( proxystate > 0 ) {
ne_set_proxy_auth( dav_session.ctx, ne_proxy_auth, 0 );
}
_connected = 1;
rc = 0;
out:
SAFE_FREE(path);
SAFE_FREE(host);
SAFE_FREE(scheme);
return rc;
}