deactivated ECHO for tty

[svn42.git] / door_daemon / door_daemon.c

diff --git a/door_daemon/door_daemon.c b/door_daemon/door_daemon.c
index 6f45140..779d085 100644 (file)
--- a/door_daemon/door_daemon.c
+++ b/door_daemon/door_daemon.c
@@ -20,6 +20,9 @@
 
 #include "datatypes.h"
 
+#include <termios.h>
+#include <unistd.h>
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -199,9 +202,15 @@ int process_cmd(int fd, cmd_t **cmd_q, client_t* client_lst)
     ret = recv(fd, buffer, sizeof(buffer), 0);
     if(!ret)
       return 1;
+    if(ret < 0)
+      return ret;
+
     char* saveptr;
     char* tok = strtok_r(buffer, "\n\r", &saveptr);
     do {
+      if(!tok)
+        continue;
+
       ret = handle_command(tok, fd, cmd_q, client_lst);
       if(ret < 0)
         return ret;
@@ -222,18 +231,27 @@ int process_door(int door_fd, cmd_t **cmd_q, client_t* client_lst)
     ret = read(door_fd, buffer, sizeof(buffer));
     if(!ret) 
       return 2;
+    if(ret < 0)
+      return ret;
+
     char* saveptr;
     char* tok = strtok_r(buffer, "\n\r", &saveptr);
     do {
-      if(!cmd_q || !(*cmd_q))
-        break;
+      if(!tok)
+        continue;
+
+      log_printf(NOTICE, "door-firmware: %s", tok);
 
-      send_response((*cmd_q)->fd, tok);
+      int cmd_fd = -1;
+      if(cmd_q && (*cmd_q)) {
+        cmd_fd = (*cmd_q)->fd;
+        send_response(cmd_fd, tok);
+      }
 
       if(!strncmp(tok, "Status:", 7)) {
         client_t* client;
         for(client = client_lst; client; client = client->next)
-          if(client->status_listener)
+          if(client->status_listener && client->fd != cmd_fd)
             send_response(client->fd, tok);
       }
 
@@ -330,6 +348,61 @@ int main_loop(int door_fd, int cmd_listen_fd)
   return return_value;
 }
 
+int setup_tty(int fd)
+{
+  struct termios tmio;
+  
+  int ret = tcgetattr(fd, &tmio);
+  if(ret) {
+    log_printf(ERROR, "Error on tcgetattr(): %s", strerror(errno));
+    return ret;
+  }
+
+  ret = cfsetospeed(&tmio, B9600);
+  if(ret) {
+    log_printf(ERROR, "Error on cfsetospeed(): %s", strerror(errno));
+    return ret;
+  }
+
+  ret = cfsetispeed(&tmio, B9600);
+  if(ret) {
+    log_printf(ERROR, "Error on cfsetispeed(): %s", strerror(errno));
+    return ret;
+  }
+
+  tmio.c_lflag &= ~ECHO;
+
+  ret = tcsetattr(fd, TCSANOW, &tmio);
+  if(ret) {
+    log_printf(ERROR, "Error on tcsetattr(): %s", strerror(errno));
+    return ret;
+  }
+  
+  ret = tcflush(fd, TCIFLUSH);
+  if(ret) {
+    log_printf(ERROR, "Error on tcflush(): %s", strerror(errno));
+    return ret;
+  }
+
+  fd_set fds;
+  struct timeval tv;
+  FD_ZERO(&fds);
+  FD_SET(fd, &fds);
+  tv.tv_sec = 0;
+  tv.tv_usec = 50000;
+  for(;;) {
+    ret = select(fd+1, &fds, NULL, NULL, &tv);
+    if(ret > 0) {
+      char buffer[100];
+      ret = read(fd, buffer, sizeof(buffer));
+    }
+    else
+      break;
+  }
+
+  return 0;
+}
+
 int main(int argc, char* argv[])
 {
   log_init();
@@ -417,13 +490,21 @@ int main(int argc, char* argv[])
     fclose(pid_file);
   }
 
-  int door_fd = open(opt.door_dev_, O_RDWR);
+  int door_fd = open(opt.door_dev_, O_RDWR | O_NOCTTY);
   if(door_fd < 0) {
     log_printf(ERROR, "unable to open %s: %s", opt.door_dev_, strerror(errno));
     options_clear(&opt);
     log_close();
     exit(-1);
   }
+  ret = setup_tty(door_fd);
+  if(ret) {
+    close(door_fd);
+    options_clear(&opt);
+    log_close();
+    exit(-1);
+  }
+  
 
   int cmd_listen_fd = init_command_socket(opt.command_sock_);
   if(cmd_listen_fd < 0) {