From a3f34674c6317930362c99f0fc40d835234843e5 Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Thu, 14 Feb 2019 20:51:41 +0100
Subject: Moved code around

---
 src/main.c | 133 -------------------------------------------------------------
 1 file changed, 133 deletions(-)
 delete mode 100644 src/main.c

(limited to 'src/main.c')

diff --git a/src/main.c b/src/main.c
deleted file mode 100644
index 6ea6bcb..0000000
--- a/src/main.c
+++ /dev/null
@@ -1,133 +0,0 @@
-#include <libssh/callbacks.h>
-#include <libssh/server.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/wait.h>
-
-#include "../config.h"
-#include "mysql.h"
-#include "session.h"
-
-/* SIGCHLD handler for cleaning up dead children. */
-static void sigchld_handler(int signo) {
-    (void) signo;
-    while (waitpid(-1, NULL, WNOHANG) > 0);
-}
-
-/* SIGINT handler for cleaning up on forced exit. */
-static ssh_bind sshbind = NULL;
-static ssh_session session = NULL;
-
-__attribute__((noreturn)) static void sigint_handler(int signo)
-{
-    (void) signo;
-    ssh_disconnect(session);
-    ssh_free(session);
-    ssh_bind_free(sshbind);
-    ssh_finalize();
-    db_clean();
-    exit(0);
-}
-
-int main()
-{
-    // Set up SIGCHLD handler
-    struct sigaction sa;
-    sa.sa_handler = sigchld_handler;
-    sigemptyset(&sa.sa_mask);
-    sa.sa_flags = SA_RESTART | SA_NOCLDSTOP;
-    if (sigaction(SIGCHLD, &sa, NULL) != 0) {
-        fprintf(stderr, "Failed to register SIGCHLD handler\n");
-        return 1;
-    }
-    // Set up SIGINT handler
-    struct sigaction sa2;
-    sa2.sa_handler = sigint_handler;
-    sigemptyset(&sa2.sa_mask);
-    sa2.sa_flags = 0;
-    if (sigaction(SIGINT, &sa2, NULL) != 0) {
-        fprintf(stderr, "Failed to register SIGINT handler\n");
-        return 1;
-    }
-
-    // Initializing ssh context
-    ssh_init();
-
-    // Initializing ssh_bind
-    sshbind = ssh_bind_new();
-    if (sshbind == NULL) {
-        fprintf(stderr, "Error initializing ssh_bind\n");
-        exit(-1);
-    }
-    int listen_port = LISTEN_PORT;
-    ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDPORT, &listen_port);
-    ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_DSAKEY, DSAKEY_PATH);
-    ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_RSAKEY, RSAKEY_PATH);
-    ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_ECDSAKEY, ECDSAKEY_PATH);
-
-    if (ssh_bind_listen(sshbind) < 0) {
-        printf("Error listening to socket: %s\n", ssh_get_error(sshbind));
-        ssh_bind_free(sshbind);
-        ssh_finalize();
-        return 1;
-    }
-
-    while (1) {
-        session = ssh_new();
-        if (session == NULL) {
-            fprintf(stderr, "Error initializing ssh_session\n");
-            break;
-        }
-#ifdef LIBSSH_VERBOSE_OUTPOUT
-        int verbosity = SSH_LOG_PROTOCOL;
-        ssh_options_set(session, SSH_OPTIONS_LOG_VERBOSITY, &verbosity);
-#endif
-
-        // Blocks until there is a new incoming connection
-        if (ssh_bind_accept(sshbind,session) == SSH_OK){
-            switch(fork()) {
-              case 0:
-                /* Remove the SIGCHLD handler inherited from parent. */
-                sa.sa_handler = SIG_DFL;
-                sigaction(SIGCHLD, &sa, NULL);
-                /* Remove socket binding, which allows us to restart the parent process, without terminating existing sessions. */
-                ssh_bind_free(sshbind);
-                sshbind = NULL;
-
-                if (db_init() !=0)
-                    goto child_cleaning;
-
-                ssh_event event = ssh_event_new();
-                if (event != NULL) {
-                    /* Blocks until the SSH session ends */
-                    handle_session(event, session);
-                    ssh_event_free(event);
-                } else {
-                    fprintf(stderr, "Could not create polling context\n");
-                }
-child_cleaning:
-                ssh_disconnect(session);
-                ssh_free(session);
-                ssh_finalize();
-
-                return 0;
-              case -1:
-                fprintf(stderr, "Failed to fork\n");
-            }
-        } else {
-            fprintf(stderr, "Error accepting a connection : %s\n", ssh_get_error(sshbind));
-            ssh_disconnect(session);
-            ssh_free(session);
-            ssh_bind_free(sshbind);
-            ssh_finalize();
-            return 1;
-        }
-        /* Since the session has been passed to a child fork, do some cleaning up at the parent process. */
-        ssh_disconnect(session);
-        ssh_free(session);
-    }
-    ssh_bind_free(sshbind);
-    ssh_finalize();
-    db_clean();
-    return 0;
-}
-- 
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