squid/SOURCES/squid-4.11-active-ftp.patch
2021-09-10 19:49:33 +00:00

128 lines
4.3 KiB
Diff

diff --git a/src/clients/FtpClient.cc b/src/clients/FtpClient.cc
index b665bcf..d287e55 100644
--- a/src/clients/FtpClient.cc
+++ b/src/clients/FtpClient.cc
@@ -778,7 +778,8 @@ Ftp::Client::connectDataChannel()
bool
Ftp::Client::openListenSocket()
{
- return false;
+ debugs(9, 3, HERE);
+ return false;
}
/// creates a data channel Comm close callback
diff --git a/src/clients/FtpClient.h b/src/clients/FtpClient.h
index a76a5a0..218d696 100644
--- a/src/clients/FtpClient.h
+++ b/src/clients/FtpClient.h
@@ -118,7 +118,7 @@ public:
bool sendPort();
bool sendPassive();
void connectDataChannel();
- bool openListenSocket();
+ virtual bool openListenSocket();
void switchTimeoutToDataChannel();
CtrlChannel ctrl; ///< FTP control channel state
diff --git a/src/clients/FtpGateway.cc b/src/clients/FtpGateway.cc
index 411bce9..31d3e36 100644
--- a/src/clients/FtpGateway.cc
+++ b/src/clients/FtpGateway.cc
@@ -87,6 +87,13 @@ struct GatewayFlags {
class Gateway;
typedef void (StateMethod)(Ftp::Gateway *);
+} // namespace FTP
+
+static void ftpOpenListenSocket(Ftp::Gateway * ftpState, int fallback);
+
+namespace Ftp
+{
+
/// FTP Gateway: An FTP client that takes an HTTP request with an ftp:// URI,
/// converts it into one or more FTP commands, and then
/// converts one or more FTP responses into the final HTTP response.
@@ -137,7 +144,11 @@ public:
/// create a data channel acceptor and start listening.
void listenForDataChannel(const Comm::ConnectionPointer &conn);
-
+ virtual bool openListenSocket() {
+ debugs(9, 3, HERE);
+ ftpOpenListenSocket(this, 0);
+ return Comm::IsConnOpen(data.conn);
+ }
int checkAuth(const HttpHeader * req_hdr);
void checkUrlpath();
void buildTitleUrl();
@@ -1787,6 +1798,7 @@ ftpOpenListenSocket(Ftp::Gateway * ftpState, int fallback)
}
ftpState->listenForDataChannel(temp);
+ ftpState->data.listenConn = temp;
}
static void
@@ -1822,13 +1834,19 @@ ftpSendPORT(Ftp::Gateway * ftpState)
// pull out the internal IP address bytes to send in PORT command...
// source them from the listen_conn->local
+ struct sockaddr_in addr;
+ socklen_t addrlen = sizeof(addr);
+ getsockname(ftpState->data.listenConn->fd, (struct sockaddr *) &addr, &addrlen);
+ unsigned char port_high = ntohs(addr.sin_port) >> 8;
+ unsigned char port_low = ntohs(addr.sin_port) & 0xff;
+
struct addrinfo *AI = NULL;
ftpState->data.listenConn->local.getAddrInfo(AI, AF_INET);
unsigned char *addrptr = (unsigned char *) &((struct sockaddr_in*)AI->ai_addr)->sin_addr;
- unsigned char *portptr = (unsigned char *) &((struct sockaddr_in*)AI->ai_addr)->sin_port;
+ // unsigned char *portptr = (unsigned char *) &((struct sockaddr_in*)AI->ai_addr)->sin_port;
snprintf(cbuf, CTRL_BUFLEN, "PORT %d,%d,%d,%d,%d,%d\r\n",
addrptr[0], addrptr[1], addrptr[2], addrptr[3],
- portptr[0], portptr[1]);
+ port_high, port_low);
ftpState->writeCommand(cbuf);
ftpState->state = Ftp::Client::SENT_PORT;
@@ -1881,14 +1899,27 @@ ftpSendEPRT(Ftp::Gateway * ftpState)
return;
}
+
+ unsigned int port;
+ struct sockaddr_storage addr;
+ socklen_t addrlen = sizeof(addr);
+ getsockname(ftpState->data.listenConn->fd, (struct sockaddr *) &addr, &addrlen);
+ if (addr.ss_family == AF_INET) {
+ struct sockaddr_in *addr4 = (struct sockaddr_in*) &addr;
+ port = ntohs( addr4->sin_port );
+ } else {
+ struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *) &addr;
+ port = ntohs( addr6->sin6_port );
+ }
+
char buf[MAX_IPSTRLEN];
/* RFC 2428 defines EPRT as IPv6 equivalent to IPv4 PORT command. */
/* Which can be used by EITHER protocol. */
- snprintf(cbuf, CTRL_BUFLEN, "EPRT |%d|%s|%d|\r\n",
+ snprintf(cbuf, CTRL_BUFLEN, "EPRT |%d|%s|%u|\r\n",
( ftpState->data.listenConn->local.isIPv6() ? 2 : 1 ),
ftpState->data.listenConn->local.toStr(buf,MAX_IPSTRLEN),
- ftpState->data.listenConn->local.port() );
+ port);
ftpState->writeCommand(cbuf);
ftpState->state = Ftp::Client::SENT_EPRT;
@@ -1907,7 +1938,7 @@ ftpReadEPRT(Ftp::Gateway * ftpState)
ftpSendPORT(ftpState);
return;
}
-
+ ftpState->ctrl.message = NULL;
ftpRestOrList(ftpState);
}