/* limit connection to the configured interface */
unsigned int bind_irc_vhost(int family, int clientsocket)
{
const char *vhost;
ir_sockaddr_union_t localaddr;
SIGNEDSOCK int addrlen;
int e;
vhost = get_local_vhost();
if (!vhost)
return 0;
bzero((char*)&localaddr, sizeof(ir_sockaddr_union_t));
if (family == AF_INET ) {
addrlen = sizeof(struct sockaddr_in);
localaddr.sin.sin_family = AF_INET;
localaddr.sin.sin_port = 0;
e = inet_pton(family, vhost, &(localaddr.sin.sin_addr));
} else {
addrlen = sizeof(struct sockaddr_in6);
localaddr.sin6.sin6_family = AF_INET6;
localaddr.sin6.sin6_port = 0;
e = inet_pton(family, vhost, &(localaddr.sin6.sin6_addr));
}
if (e != 1) {
outerror(OUTERROR_TYPE_WARN_LOUD, "Invalid IP: %s", vhost);
return 1;
}
if (bind(clientsocket, &(localaddr.sa), addrlen) < 0)
return 1;
return 0;
}
/* start normal or passive DCC download */
void t_setup_dcc(transfer *tr)
{
char *vhost;
int e = 1;
updatecontext();
vhost = get_local_vhost();
if (tr->passive_dcc) {
bzero((char *) &(tr->con.local), sizeof(tr->con.local));
if (tr->con.family == AF_INET) {
tr->con.local.sin.sin_family = AF_INET;
tr->con.local.sin.sin_port = htons(0);
if (vhost) {
e = inet_pton(tr->con.family, vhost, &(tr->con.local.sin.sin_addr));
} else {
tr->con.local.sin.sin_addr.s_addr = gnetwork->myip.sin.sin_addr.s_addr;
}
} else {
tr->con.local.sin6.sin6_family = AF_INET6;
tr->con.local.sin6.sin6_port = htons(0);
if (vhost) {
e = inet_pton(tr->con.family, vhost, &(tr->con.local.sin6.sin6_addr));
}
}
if (e != 1) {
outerror(OUTERROR_TYPE_WARN_LOUD, "Invalid IP: %s", vhost);
}
tr->tr_status = TRANSFER_STATUS_RESUME;
tr->con.localport = 0;
} else {
t_setuplisten(tr);
if (tr->tr_status != TRANSFER_STATUS_LISTENING)
return;
}
t_start_dcc_send(tr);
}
static unsigned int curl_fetch(const userinput *const u, fetch_curl_t *ft)
{
char *vhost;
CURL *ch;
CURLcode ces;
CURLcode cms;
updatecontext();
ch = curl_easy_init();
if (ch == NULL) {
a_respond(u, "Curl not ready");
return 1;
}
ft->curlhandle = ch;
ces = curl_easy_setopt(ch, CURLOPT_ERRORBUFFER, ft->errorbuf);
if (ces != 0) {
curl_respond( u, "ERRORBUFFER", ces); /* NOTRANSLATE */
return 1;
}
vhost = get_local_vhost();
if (vhost) {
ft->vhosttext = mystrdup(vhost);
ces = curl_easy_setopt(ch, CURLOPT_INTERFACE, ft->vhosttext);
if (ces != 0) {
a_respond(u, "curl_easy_setopt INTERFACE for %s failed with %d", ft->vhosttext, ces);
return 1;
}
}
ces = curl_easy_setopt(ch, CURLOPT_NOPROGRESS, 1);
if (ces != 0) {
curl_respond( u, "NOPROGRESS", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_NOSIGNAL, 1);
if (ces != 0) {
curl_respond( u, "NOSIGNAL", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_FAILONERROR, 1);
if (ces != 0) {
curl_respond( u, "FAILONERROR", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_SSL_VERIFYHOST, 0);
if (ces != 0) {
curl_respond( u, "SSL_VERIFYHOST", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_SSL_VERIFYPEER, 0);
if (ces != 0) {
curl_respond( u, "SSL_VERIFYPEER", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_REFERER, ft->url);
if (ces != 0) {
curl_respond( u, "REFERER", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_FOLLOWLOCATION, 1);
if (ces != 0) {
curl_respond( u, "FOLLOWLOCATION", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_AUTOREFERER, 1);
if (ces != 0) {
curl_respond( u, "AUTOREFERER", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_FILETIME, 1);
if (ces != 0) {
curl_respond( u, "FILETIME", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_URL, ft->url);
if (ces != 0) {
curl_respond( u, "URL", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_WRITEDATA, ft->writefd);
if (ces != 0) {
curl_respond( u, "WRITEDATA", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_HEADERFUNCTION, fetch_header_cb);
if (ces != 0) {
curl_respond( u, "HEADERFUNCTION", ces); /* NOTRANSLATE */
return 1;
}
ces = curl_easy_setopt(ch, CURLOPT_HEADERDATA, ft);
if (ces != 0) {
curl_respond( u, "HEADERDATA", ces); /* NOTRANSLATE */
return 1;
}
if (ft->resumesize > 0L) {
#if LIBCURL_VERSION_NUM <= 0x70b01
ces = curl_easy_setopt(ch, CURLOPT_RESUME_FROM, ft->resumesize);
#else
ces = curl_easy_setopt(ch, CURLOPT_RESUME_FROM_LARGE, ft->resumesize);
#endif
if (ces != 0) {
curl_respond( u, "RESUME_FROM", ces); /* NOTRANSLATE */
return 1;
}
}
cms = curl_multi_add_handle(cm, ch);
if (cms != 0) {
a_respond(u, "curl_multi_add_handle failed with %d", cms);
return 1;
}
return 0;
}
/* find a free port and open a new socket for an incoming connection */
unsigned int irc_open_listen(ir_connection_t *con)
{
unsigned int rc;
rc = open_listen(con->family, &(con->local), &(con->listensocket), gdata.tcprangestart, 0, 1, get_local_vhost());
if (rc != 0)
return rc;
con->connecttime = gdata.curtime;
con->lastcontact = gdata.curtime;
con->localport = get_port(&(con->local));
return 0;
}
