Factor out some common code for constructing SSH2_CHANNEL_OPEN.

git-svn-id: svn://svn.tartarus.org/sgt/putty@9649 cda61777-01e9-0310-a592-d414129be87e

diff --git a/ssh.c b/ssh.c
index 846aa7c..b4d3884 100644 (file)
--- a/ssh.c
+++ b/ssh.c
@@ -6572,6 +6572,21 @@ static void ssh2_channel_init(struct ssh_channel *c)
 }
 
 /*
+ * Construct the common parts of a CHANNEL_OPEN.
+ */
+static struct Packet *ssh2_chanopen_init(struct ssh_channel *c, char *type)
+{
+    struct Packet *pktout;
+
+    pktout = ssh2_pkt_init(SSH2_MSG_CHANNEL_OPEN);
+    ssh2_pkt_addstring(pktout, type);
+    ssh2_pkt_adduint32(pktout, c->localid);
+    ssh2_pkt_adduint32(pktout, c->v.v2.locwindow);/* our window size */
+    ssh2_pkt_adduint32(pktout, OUR_V2_MAXPKT);      /* our max pkt size */
+    return pktout;
+}
+
+/*
  * CHANNEL_FAILURE doesn't come with any indication of what message
  * caused it, so we have to keep track of the outstanding
  * CHANNEL_REQUESTs ourselves.
@@ -9113,11 +9128,7 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen,
                  "Opening direct-tcpip channel to %s:%d in place of session",
                  conf_get_str(ssh->conf, CONF_ssh_nc_host),
                  conf_get_int(ssh->conf, CONF_ssh_nc_port));
-       s->pktout = ssh2_pkt_init(SSH2_MSG_CHANNEL_OPEN);
-       ssh2_pkt_addstring(s->pktout, "direct-tcpip");
-       ssh2_pkt_adduint32(s->pktout, ssh->mainchan->localid);
-       ssh2_pkt_adduint32(s->pktout, ssh->mainchan->v.v2.locwindow);/* our window size */
-       ssh2_pkt_adduint32(s->pktout, OUR_V2_MAXPKT);      /* our max pkt size */
+       s->pktout = ssh2_chanopen_init(ssh->mainchan, "direct-tcpip");
        ssh2_pkt_addstring(s->pktout, conf_get_str(ssh->conf, CONF_ssh_nc_host));
        ssh2_pkt_adduint32(s->pktout, conf_get_int(ssh->conf, CONF_ssh_nc_port));
        /*
@@ -9152,11 +9163,7 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen,
        ssh->mainchan = snew(struct ssh_channel);
        ssh->mainchan->ssh = ssh;
        ssh2_channel_init(ssh->mainchan);
-       s->pktout = ssh2_pkt_init(SSH2_MSG_CHANNEL_OPEN);
-       ssh2_pkt_addstring(s->pktout, "session");
-       ssh2_pkt_adduint32(s->pktout, ssh->mainchan->localid);
-       ssh2_pkt_adduint32(s->pktout, ssh->mainchan->v.v2.locwindow);/* our window size */
-       ssh2_pkt_adduint32(s->pktout, OUR_V2_MAXPKT);    /* our max pkt size */
+       s->pktout = ssh2_chanopen_init(ssh->mainchan, "session");
        ssh2_pkt_send(ssh, s->pktout);
        crWaitUntilV(pktin);
        if (pktin->type != SSH2_MSG_CHANNEL_OPEN_CONFIRMATION) {
@@ -10147,11 +10154,7 @@ void ssh_send_port_open(void *channel, char *hostname, int port, char *org)
                    /* PKT_STR, <org:orgport>, */
                    PKT_END);
     } else {
-       pktout = ssh2_pkt_init(SSH2_MSG_CHANNEL_OPEN);
-       ssh2_pkt_addstring(pktout, "direct-tcpip");
-       ssh2_pkt_adduint32(pktout, c->localid);
-       ssh2_pkt_adduint32(pktout, c->v.v2.locwindow);/* our window size */
-       ssh2_pkt_adduint32(pktout, OUR_V2_MAXPKT);      /* our max pkt size */
+       pktout = ssh2_chanopen_init(c, "direct-tcpip");
        ssh2_pkt_addstring(pktout, hostname);
        ssh2_pkt_adduint32(pktout, port);
        /*