Add LOG_LEVEL_ACTIONS to log the applying actions
[privoxy.git] / jcc.c
diff --git a/jcc.c b/jcc.c
index 81a6938..8f35b32 100644 (file)
--- a/jcc.c
+++ b/jcc.c
@@ -1,4 +1,4 @@
-const char jcc_rcs[] = "$Id: jcc.c,v 1.377 2012/03/09 16:24:36 fabiankeil Exp $";
+const char jcc_rcs[] = "$Id: jcc.c,v 1.384 2012/07/27 17:31:10 fabiankeil Exp $";
 /*********************************************************************
  *
  * File        :  $Source: /cvsroot/ijbswa/current/jcc.c,v $
@@ -661,6 +661,34 @@ static const char *crunch_reason(const struct http_response *rsp)
 }
 
 
+/*********************************************************************
+ *
+ * Function    :  log_applied_actions
+ *
+ * Description :  Logs the applied actions if LOG_LEVEL_ACTIONS is
+ *                enabled.
+ *
+ * Parameters  :
+ *          1  :  actions = Current action spec to log
+ *
+ * Returns     :  Nothing.
+ *
+ *********************************************************************/
+static void log_applied_actions(const struct current_action_spec *actions)
+{
+   /*
+    * The conversion to text requires lots of memory allocations so
+    * we only do the conversion if the user is actually interested.
+    */
+   if (debug_level_is_enabled(LOG_LEVEL_ACTIONS))
+   {
+      char *actions_as_text = actions_to_line_of_text(actions);
+      log_error(LOG_LEVEL_ACTIONS, "%s", actions_as_text);
+      freez(actions_as_text);
+   }
+}
+
+
 /*********************************************************************
  *
  * Function    :  send_crunch_response
@@ -705,6 +733,7 @@ static void send_crunch_response(const struct client_state *csp, struct http_res
       status_code[3] = '\0';
 
       /* Log that the request was crunched and why. */
+      log_applied_actions(csp->action);
       log_error(LOG_LEVEL_CRUNCH, "%s: %s", crunch_reason(rsp), http->url);
       log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" %s %u",
          csp->ip_addr_str, http->ocmd, status_code, rsp->content_length);
@@ -827,12 +856,7 @@ static void build_request_line(struct client_state *csp, const struct forward_sp
      && (!strcmpic(http->ver, "HTTP/1.1")))
    {
       freez(http->ver);
-      http->ver = strdup("HTTP/1.0");
-
-      if (http->ver == NULL)
-      {
-         log_error(LOG_LEVEL_FATAL, "Out of memory downgrading HTTP version");
-      }
+      http->ver = strdup_or_die("HTTP/1.0");
    }
 
    /*
@@ -891,12 +915,7 @@ static jb_err change_request_destination(struct client_state *csp)
    else
    {
       /* XXX: ocmd is a misleading name */
-      http->ocmd = strdup(http->cmd);
-      if (http->ocmd == NULL)
-      {
-         log_error(LOG_LEVEL_FATAL,
-            "Out of memory copying rewritten HTTP request line");
-      }
+      http->ocmd = strdup_or_die(http->cmd);
    }
 
    return err;
@@ -1003,11 +1022,7 @@ void save_connection_destination(jb_socket sfd,
    assert(NULL != http->host);
 
    server_connection->sfd = sfd;
-   server_connection->host = strdup(http->host);
-   if (NULL == server_connection->host)
-   {
-      log_error(LOG_LEVEL_FATAL, "Out of memory saving socket.");
-   }
+   server_connection->host = strdup_or_die(http->host);
    server_connection->port = http->port;
 
    assert(NULL != fwd);
@@ -1020,11 +1035,7 @@ void save_connection_destination(jb_socket sfd,
    server_connection->forwarder_type = fwd->type;
    if (NULL != fwd->gateway_host)
    {
-      server_connection->gateway_host = strdup(fwd->gateway_host);
-      if (NULL == server_connection->gateway_host)
-      {
-         log_error(LOG_LEVEL_FATAL, "Out of memory saving gateway_host.");
-      }
+      server_connection->gateway_host = strdup_or_die(fwd->gateway_host);
    }
    else
    {
@@ -1034,11 +1045,7 @@ void save_connection_destination(jb_socket sfd,
 
    if (NULL != fwd->forward_host)
    {
-      server_connection->forward_host = strdup(fwd->forward_host);
-      if (NULL == server_connection->forward_host)
-      {
-         log_error(LOG_LEVEL_FATAL, "Out of memory saving forward_host.");
-      }
+      server_connection->forward_host = strdup_or_die(fwd->forward_host);
    }
    else
    {
@@ -1193,11 +1200,20 @@ static char *get_request_line(struct client_state *csp)
    {
       if (!data_is_available(csp->cfd, csp->config->socket_timeout))
       {
-         log_error(LOG_LEVEL_CONNECT,
-            "Stopped waiting for the request line. Timeout: %d.",
-            csp->config->socket_timeout);
-         write_socket(csp->cfd, CLIENT_CONNECTION_TIMEOUT_RESPONSE,
-            strlen(CLIENT_CONNECTION_TIMEOUT_RESPONSE));
+         if (socket_is_still_alive(csp->cfd))
+         {
+            log_error(LOG_LEVEL_CONNECT,
+               "No request line on socket %d received in time. Timeout: %d.",
+               csp->cfd, csp->config->socket_timeout);
+            write_socket(csp->cfd, CLIENT_CONNECTION_TIMEOUT_RESPONSE,
+               strlen(CLIENT_CONNECTION_TIMEOUT_RESPONSE));
+         }
+         else
+         {
+            log_error(LOG_LEVEL_CONNECT,
+               "The client side of the connection on socket %d got "
+               "closed without sending a complete request line.", csp->cfd);
+         }
          return NULL;
       }
 
@@ -1396,12 +1412,7 @@ static jb_err receive_client_request(struct client_state *csp)
    /*
     * Save a copy of the original request for logging
     */
-   http->ocmd = strdup(http->cmd);
-   if (http->ocmd == NULL)
-   {
-      log_error(LOG_LEVEL_FATAL,
-         "Out of memory copying HTTP request line");
-   }
+   http->ocmd = strdup_or_die(http->cmd);
    enlist(csp->headers, http->cmd);
 
    /* Append the previously read headers */
@@ -1620,6 +1631,7 @@ static void chat(struct client_state *csp)
       return;
    }
 
+   log_applied_actions(csp->action);
    log_error(LOG_LEVEL_GPC, "%s%s", http->hostport, http->path);
 
    if (fwd->forward_host)
@@ -2648,6 +2660,10 @@ static void serve(struct client_state *csp)
 
    if (csp->cfd != JB_INVALID_SOCKET)
    {
+      log_error(LOG_LEVEL_CONNECT, "Closing client socket %d. "
+         "Keep-alive: %u, Socket alive: %u. Data available: %u.",
+         csp->cfd, 0 != (csp->flags & CSP_FLAG_CLIENT_CONNECTION_KEEP_ALIVE),
+         socket_is_still_alive(csp->cfd), data_is_available(csp->cfd, 0));
       close_socket(csp->cfd);
    }
 
@@ -2966,7 +2982,7 @@ int main(int argc, char **argv)
       else if (strcmp(argv[argc_pos], "--pidfile") == 0)
       {
          if (++argc_pos == argc) usage(argv[0]);
-         pidfile = strdup(argv[argc_pos]);
+         pidfile = strdup_or_die(argv[argc_pos]);
       }
 
       else if (strcmp(argv[argc_pos], "--user") == 0)
@@ -2976,12 +2992,7 @@ int main(int argc, char **argv)
 
          if (++argc_pos == argc) usage(argv[argc_pos]);
 
-         user_arg = strdup(argv[argc_pos]);
-         if (NULL == user_arg)
-         {
-            log_error(LOG_LEVEL_FATAL,
-               "Out of memory splitting --user argument '%s'.", argv[argc_pos]);
-         }
+         user_arg = strdup_or_die(argv[argc_pos]);
          group_name = strchr(user_arg, '.');
          if (NULL != group_name)
          {
@@ -3009,7 +3020,7 @@ int main(int argc, char **argv)
       else if (strcmp(argv[argc_pos], "--pre-chroot-nslookup") == 0)
       {
          if (++argc_pos == argc) usage(argv[0]);
-         pre_chroot_nslookup_to_load_resolver = strdup(argv[argc_pos]);
+         pre_chroot_nslookup_to_load_resolver = strdup_or_die(argv[argc_pos]);
       }
 
       else if (strcmp(argv[argc_pos], "--chroot") == 0)
@@ -3052,16 +3063,10 @@ int main(int argc, char **argv)
          exit(1);
       }
 
+      basedir = strdup_or_die(cwd);
       /* XXX: why + 5? */
       abs_file_size = strlen(cwd) + strlen(configfile) + 5;
-      basedir = strdup(cwd);
-
-      if (NULL == basedir ||
-          NULL == (abs_file = malloc(abs_file_size)))
-      {
-         perror("malloc failed");
-         exit(1);
-      }
+      abs_file = malloc_or_die(abs_file_size);
       strlcpy(abs_file, basedir, abs_file_size);
       strlcat(abs_file, "/", abs_file_size);
       strlcat(abs_file, configfile, abs_file_size);