I added more detail to the `Authentication failed at PuTTY X11

[u/mdw/putty] / ssh.c

diff --git a/ssh.c b/ssh.c
index 61786b1..ea008dd 100644 (file)
--- a/ssh.c
+++ b/ssh.c
@@ -2767,6 +2767,7 @@ static int do_ssh1_login(Ssh ssh, unsigned char *in, int inlen, int ispkt)
                    if (s->authed)
                        break;
                }
+               sfree(s->response);
            }
            if (s->authed)
                break;
@@ -3400,11 +3401,19 @@ static void ssh1_protocol(Ssh ssh, unsigned char *in, int inlen, int ispkt)
     }
 
     if (!ssh->cfg.nopty) {
+       /* Unpick the terminal-speed string. */
+       /* XXX perhaps we should allow no speeds to be sent. */
+       int ospeed = 38400, ispeed = 38400; /* last-resort defaults */
+       sscanf(ssh->cfg.termspeed, "%d,%d", &ospeed, &ispeed);
+       /* Send the pty request. */
        send_packet(ssh, SSH1_CMSG_REQUEST_PTY,
                    PKT_STR, ssh->cfg.termtype,
                    PKT_INT, ssh->term_height,
                    PKT_INT, ssh->term_width,
-                   PKT_INT, 0, PKT_INT, 0, PKT_CHAR, 0, PKT_END);
+                   PKT_INT, 0, PKT_INT, 0, /* width,height in pixels */
+                   PKT_CHAR, 192, PKT_INT, ispeed, /* TTY_OP_ISPEED */
+                   PKT_CHAR, 193, PKT_INT, ospeed, /* TTY_OP_OSPEED */
+                   PKT_CHAR, 0, PKT_END);
        ssh->state = SSH_STATE_INTERMED;
        do {
            crReturnV;
@@ -3417,7 +3426,8 @@ static void ssh1_protocol(Ssh ssh, unsigned char *in, int inlen, int ispkt)
            c_write_str(ssh, "Server refused to allocate pty\r\n");
            ssh->editing = ssh->echoing = 1;
        }
-       logevent("Allocated pty");
+       logeventf(ssh, "Allocated pty (ospeed %dbps, ispeed %dbps)",
+                 ospeed, ispeed);
     } else {
        ssh->editing = ssh->echoing = 1;
     }
@@ -4743,6 +4753,7 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen, int ispkt)
 
            s->method = 0;
            ssh->pkt_ctx &= ~SSH2_PKTCTX_AUTH_MASK;
+           s->need_pw = FALSE;
 
            /*
             * Most password/passphrase prompts will be
@@ -4922,6 +4933,7 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen, int ispkt)
                    if (s->authed)
                        continue;
                }
+               sfree(s->response);
            }
 
            if (!s->method && s->can_pubkey && s->publickey_blob
@@ -5195,6 +5207,7 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen, int ispkt)
 
                    ssh2_pkt_send(ssh);
                    s->type = AUTH_TYPE_PUBLICKEY;
+                   key->alg->freekey(key->data);
                }
            } else if (s->method == AUTH_PASSWORD) {
                /*
@@ -5579,6 +5592,11 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen, int ispkt)
      * Now allocate a pty for the session.
      */
     if (!ssh->cfg.nopty) {
+       /* Unpick the terminal-speed string. */
+       /* XXX perhaps we should allow no speeds to be sent. */
+       int ospeed = 38400, ispeed = 38400; /* last-resort defaults */
+       sscanf(ssh->cfg.termspeed, "%d,%d", &ospeed, &ispeed);
+       /* Build the pty request. */
        ssh2_pkt_init(ssh, SSH2_MSG_CHANNEL_REQUEST);
        ssh2_pkt_adduint32(ssh, ssh->mainchan->remoteid);       /* recipient channel */
        ssh2_pkt_addstring(ssh, "pty-req");
@@ -5589,7 +5607,11 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen, int ispkt)
        ssh2_pkt_adduint32(ssh, 0);            /* pixel width */
        ssh2_pkt_adduint32(ssh, 0);            /* pixel height */
        ssh2_pkt_addstring_start(ssh);
-       ssh2_pkt_addstring_data(ssh, "\0", 1);  /* TTY_OP_END, no special options */
+       ssh2_pkt_addbyte(ssh, 128);            /* TTY_OP_ISPEED */
+       ssh2_pkt_adduint32(ssh, ispeed);
+       ssh2_pkt_addbyte(ssh, 129);            /* TTY_OP_OSPEED */
+       ssh2_pkt_adduint32(ssh, ospeed);
+       ssh2_pkt_addstring_data(ssh, "\0", 1); /* TTY_OP_END */
        ssh2_pkt_send(ssh);
        ssh->state = SSH_STATE_INTERMED;
 
@@ -5614,7 +5636,8 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen, int ispkt)
            c_write_str(ssh, "Server refused to allocate pty\r\n");
            ssh->editing = ssh->echoing = 1;
        } else {
-           logevent("Allocated pty");
+           logeventf(ssh, "Allocated pty (ospeed %dbps, ispeed %dbps)",
+                     ospeed, ispeed);
        }
     } else {
        ssh->editing = ssh->echoing = 1;
@@ -6264,10 +6287,18 @@ static void ssh_free(void *handle)
        ssh->csmac->free_context(ssh->cs_mac_ctx);
     if (ssh->sc_mac_ctx)
        ssh->scmac->free_context(ssh->sc_mac_ctx);
-    if (ssh->cs_comp_ctx)
-       ssh->cscomp->compress_cleanup(ssh->cs_comp_ctx);
-    if (ssh->sc_comp_ctx)
-       ssh->sccomp->compress_cleanup(ssh->sc_comp_ctx);
+    if (ssh->cs_comp_ctx) {
+       if (ssh->cscomp)
+           ssh->cscomp->compress_cleanup(ssh->cs_comp_ctx);
+       else
+           zlib_compress_cleanup(ssh->cs_comp_ctx);
+    }
+    if (ssh->sc_comp_ctx) {
+       if (ssh->sccomp)
+           ssh->sccomp->decompress_cleanup(ssh->sc_comp_ctx);
+       else
+           zlib_decompress_cleanup(ssh->sc_comp_ctx);
+    }
     if (ssh->kex_ctx)
        dh_cleanup(ssh->kex_ctx);
     sfree(ssh->savedhost);