From 8c04f0d56d88ebea808d5505dcee07e8d197e360 Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Wed, 20 Jun 2018 13:23:48 +0200
Subject: Made a working ssh proxy server

---
 src/pty.c | 128 --------------------------------------------------------------
 1 file changed, 128 deletions(-)
 delete mode 100644 src/pty.c

(limited to 'src/pty.c')

diff --git a/src/pty.c b/src/pty.c
deleted file mode 100644
index c888df3..0000000
--- a/src/pty.c
+++ /dev/null
@@ -1,128 +0,0 @@
-#include <pty.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <utmp.h>
-
-#include "pty.h"
-
-// callback function for SSH channel PTY request from a client
-int pty_request(ssh_session session, ssh_channel channel,
-                const char *term, int cols, int rows, int py, int px,
-                void *userdata) {
-    struct channel_data_struct *cdata = (struct channel_data_struct *)userdata;
-
-    (void) session;
-    (void) channel;
-    (void) term;
-
-    cdata->winsize->ws_row = rows;
-    cdata->winsize->ws_col = cols;
-    cdata->winsize->ws_xpixel = px;
-    cdata->winsize->ws_ypixel = py;
-
-    if (openpty(&cdata->pty_master, &cdata->pty_slave, NULL, NULL,
-                cdata->winsize) != 0) {
-        fprintf(stderr, "Failed to open pty\n");
-        return SSH_ERROR;
-    }
-    return SSH_OK;
-}
-
-// callback function for SSH channel PTY resize from a client
-int pty_resize(ssh_session session, ssh_channel channel, int cols,
-               int rows, int py, int px, void *userdata) {
-    struct channel_data_struct *cdata = (struct channel_data_struct *)userdata;
-
-    (void) session;
-    (void) channel;
-
-    cdata->winsize->ws_row = rows;
-    cdata->winsize->ws_col = cols;
-    cdata->winsize->ws_xpixel = px;
-    cdata->winsize->ws_ypixel = py;
-
-    if (cdata->pty_master != -1) {
-        return ioctl(cdata->pty_master, TIOCSWINSZ, cdata->winsize);
-    }
-
-    return SSH_ERROR;
-}
-
-int exec_pty(const char *mode, const char *command,
-             struct channel_data_struct *cdata) {
-    switch(cdata->pid = fork()) {
-        case -1:
-            close(cdata->pty_master);
-            close(cdata->pty_slave);
-            fprintf(stderr, "Failed to fork\n");
-            return SSH_ERROR;
-        case 0:
-            close(cdata->pty_master);
-            if (login_tty(cdata->pty_slave) != 0) {
-                exit(1);
-            }
-            execl("/bin/sh", "sh", mode, command, NULL);
-            exit(0);
-        default:
-            close(cdata->pty_slave);
-            /* pty fd is bi-directional */
-            cdata->child_stdout = cdata->child_stdin = cdata->pty_master;
-    }
-    return SSH_OK;
-}
-
-int exec_nopty(const char *command, struct channel_data_struct *cdata) {
-    int in[2], out[2], err[2];
-
-    /* Do the plumbing to be able to talk with the child process. */
-    if (pipe(in) != 0) {
-        goto stdin_failed;
-    }
-    if (pipe(out) != 0) {
-        goto stdout_failed;
-    }
-    if (pipe(err) != 0) {
-        goto stderr_failed;
-    }
-
-    switch(cdata->pid = fork()) {
-        case -1:
-            goto fork_failed;
-        case 0:
-            /* Finish the plumbing in the child process. */
-            close(in[1]);
-            close(out[0]);
-            close(err[0]);
-            dup2(in[0], STDIN_FILENO);
-            dup2(out[1], STDOUT_FILENO);
-            dup2(err[1], STDERR_FILENO);
-            close(in[0]);
-            close(out[1]);
-            close(err[1]);
-            /* exec the requested command. */
-            execl("/bin/sh", "sh", "-c", command, NULL);
-            exit(0);
-    }
-
-    close(in[0]);
-    close(out[1]);
-    close(err[1]);
-
-    cdata->child_stdin = in[1];
-    cdata->child_stdout = out[0];
-    cdata->child_stderr = err[0];
-
-    return SSH_OK;
-
-fork_failed:
-    close(err[0]);
-    close(err[1]);
-stderr_failed:
-    close(out[0]);
-    close(out[1]);
-stdout_failed:
-    close(in[0]);
-    close(in[1]);
-stdin_failed:
-    return SSH_ERROR;
-}
-- 
cgit v1.2.3