Added dummy proxy implementation, moved client, added main Makefile.

guacamole/proxy/daemon.c

@@ -0,0 +1,96 @@
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include "proxy.h"
+
+int main(int argc, char* argv[]) {
+
+    /* Server */
+    int socket_fd;
+    struct sockaddr_in server_addr;
+
+    /* Client */
+    struct sockaddr_in client_addr;
+    unsigned int client_addr_len;
+    int connected_socket_fd;
+    pid_t proxy_pid ;
+
+    /* Get binding address */
+    memset(&server_addr, 0, sizeof(server_addr)); /* Zero struct */
+    server_addr.sin_family = AF_INET;
+    server_addr.sin_addr.s_addr = INADDR_ANY;
+    server_addr.sin_port = htons(1234);
+
+    /* Get socket */
+    socket_fd = socket(AF_INET, SOCK_STREAM, 0);
+    if (socket_fd < 0) {
+        perror("Error opening socket");
+        return 1;
+    }
+
+    /* Bind socket to address */
+    if (bind(socket_fd, (struct sockaddr*) &server_addr,
+                sizeof(server_addr)) < 0) {
+        perror("Error binding socket");
+        return 2;
+    }
+
+    /* Daemon loop */
+    for (;;) {
+
+        fprintf(stderr, "Listening...\n");
+
+        /* Listen for connections */
+        if (listen(socket_fd, 5) < 0) {
+            perror("Error listening on socket");
+            return 3;
+        }
+
+        /* Accept connection */
+        client_addr_len = sizeof(client_addr);
+        connected_socket_fd = accept(socket_fd, (struct sockaddr*) &client_addr, &client_addr_len);
+        if (connected_socket_fd < 0) {
+            perror("Error accepting client");
+            return 3;
+        }
+
+        /* Fork proxy */
+        proxy_pid = fork();
+        if (proxy_pid < 0) {
+            perror("Could not fork child");
+        }
+
+        /* In child ... */
+        else if (proxy_pid == 0) {
+            proxy(connected_socket_fd);
+
+            /* Close socket */
+            if (close(connected_socket_fd) < 0) {
+                perror("Error closing connection");
+                return 3;
+            }
+
+            fprintf(stderr, "Child exiting.\n");
+            return 0;
+        }
+
+        else
+            fprintf(stderr, "Child forked.\n");
+
+    }
+
+    /* Close socket */
+    if (close(socket_fd) < 0) {
+        perror("Error closing socket");
+        return 3;
+    }
+
+    return 0;
+
+}
+