1 files changed, 98 insertions, 0 deletions
diff --git a/logging.c b/logging.c
new file mode 100644
index 0000000..93838b5
--- /dev/null
+++ b/logging.c
@@ -0,0 +1,98 @@
+/* logging.c -- Shell command logging functionality */
+
+/* This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 2, or (at your option) any later
+   version.
+
+   Bash is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with Bash; see the file COPYING.  If not, write to the Free Software
+   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
+
+   This code was originally developed by Vyatta, Inc.
+   Portions created by Vyatta are Copyright (C) 2010 Vyatta, Inc. */
+
+#include "shell.h"
+#include "filecntl.h"
+#include "jobs.h"
+
+#include <utmp.h>
+#include <unistd.h>
+#include <mqueue.h>
+
+#include "logmessage.h"
+
+/*
+ * Find terminal port associated with stdin.
+ * Since shell is interactive
+ */
+static const char *get_tty()
+{
+  const char *tty = ttyname(0);
+
+  if (tty) {
+    if (!strncmp(tty, "/dev/", 5))
+      tty += 5;
+  }
+
+  return tty;
+}
+
+static mqd_t message_queue = -1;
+static const char *current_tty;
+
+void initialize_logging ()
+{
+  const char *tty;
+
+  tty = get_tty();
+  if (tty == NULL)
+    return;	/* Not really an interactive shell */
+
+  message_queue = mq_open("/vbash", O_WRONLY);
+  if (message_queue == (mqd_t)-1)
+    return;	/* No logging server running */
+	
+  SET_CLOSE_ON_EXEC(message_queue);
+
+  current_tty = strdup(tty);
+}
+
+/*
+ * Logs the result of the child for more detailed accounting
+ */
+void log_process_exit (child)
+    PROCESS *child;
+{
+  size_t cc;
+  struct command_log *lrec;
+
+  if (message_queue == (mqd_t) -1)
+    return;
+
+  cc = sizeof(*lrec) + strlen(child->command) + 1;
+  lrec = alloca(cc);
+  memset(lrec, 0, cc);
+
+  lrec->pid 	= child->pid;
+  lrec->status 	= WEXITSTATUS(child->status);
+  lrec->endtime	= time(0);
+  lrec->uid	= current_user.uid;
+  lrec->euid	= current_user.euid;
+  lrec->gid	= current_user.gid;
+  lrec->egid	= current_user.egid;
+  strncpy(lrec->name, current_user.user_name, UT_NAMESIZE);
+  strncpy(lrec->tty, current_tty, UT_LINESIZE);
+  strcpy(lrec->command, child->command);
+
+  /* Ignore errors?? */
+  mq_send(message_queue, (char *)lrec, cc, 0);
+}
+