Added suport for tty path logging

ChangeLog

@@ -1,9 +1,19 @@
-$Id: ChangeLog 24 2010-02-11 20:24:49Z bostjanskufca $
+-------------------------------------------------------------------------------
+  SnoopyLogger changelog
+-------------------------------------------------------------------------------
+
+
+
+2010-09-24 - Version  1.7.2
+---------------------------
+o Logs current tty
+
 
 2010-02-11 - Version  1.6.1
 ---------------------------
 o Logs current working directory
 
+
 2010-02-09 - Version  1.6.0
 ---------------------------
 o Uses autotools now
@@ -14,26 +24,31 @@ o Program name and argument lengths limited to 4096 bytes
 o Many thanks to otheus for supplying a patch on SourceForge one and a half 
     years ago, it helped tremendously.
 
+
 2010-02-09 - Version  1.5.0
 ---------------------------
 o Updated to compile and work without segfaults on 32bit and 64bit platforms
 o Project maintenance taken over by Bostjan Skufca
 
+
 Sun December 10 - Version  1.3
 ------------------------------
 o Altered logging mechanism for performance
 o Added new way of logging (can choose)
 o Added an integrity check (optional)
 
+
 Wed October 25 - Version  1.2a
 -----------------------------
 o ROOT_ONLY behavior now works again, thanks to adrian.head@bytecomm.com.au for
   notifying us!
 
+
 Thu October 10 - Version  1.2
 -----------------------------
 o Fixed small bug with rather adverse side effects. 
 
+
 Thu August 17 - Version  1.1
 ----------------------------
 o Added support for execv().  Although execv() calls execve()
@@ -42,6 +57,7 @@ o Added support for execv().  Although execv() calls execve()
 o Made logging code modular, as to accomodate for the extra 
   overload that execv() brought.
 
+
 Thu August 3  - Version 1.00
 ----------------------------
 o Cleaned up the codebase a bit

configure.ac

@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.63])
-AC_INIT([Snoopy Logger], [1.6.1], [http://sourceforge.net/projects/snoopylogger/], [snoopy])
+AC_INIT([Snoopy Logger], [1.7.2], [http://sourceforge.net/projects/snoopylogger/], [snoopy])
 AC_DEFINE(PACKAGE_URL, "http://sourceforge.net/projects/snoopylogger/")
 AC_CONFIG_SRCDIR([config.h.in])
 AC_CONFIG_HEADERS([config.h])

configure.ac.generated

@@ -2,7 +2,8 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.63])
-AC_INIT([FULL-PACKAGE-NAME], [VERSION], [BUG-REPORT-ADDRESS])
+AC_INIT([Snoopy Logger], [1.7.2], [http://sourceforge.net/projects/snoopylogger/], [snoopy])
+AC_DEFINE(PACKAGE_URL, "http://sourceforge.net/projects/snoopylogger/")
 AC_CONFIG_SRCDIR([config.h.in])
 AC_CONFIG_HEADERS([config.h])
 
@@ -26,4 +27,27 @@ AC_FUNC_MALLOC
 AC_CHECK_FUNCS([getcwd])
 
 AC_CONFIG_FILES([Makefile])
+
+
+
+dnl ============================================================================
+AC_ARG_ENABLE(cwd-logging,
+    [AC_HELP_STRING([--enable-cwd-logging],
+	[enable logging of Current Working Directory [default=yes]]
+    )],
+    [
+	if test "$enableval" == "yes"; then
+	    enable_cwd_logging=yes
+	fi
+    ],
+    [enable_cwd_logging=yes]
+)
+
+AS_IF([test "x$enable_cwd_logging" == "xyes"], [
+    AC_DEFINE(SNOOPY_CWD_LOGGING, 1, [Enable logging of Current Working Directory])
+])
+
+
+
+dnl ============================================================================
 AC_OUTPUT

snoopy.c

@@ -48,6 +48,7 @@ static inline void snoopy_log(const char *filename, char *const argv[])
 	size_t  logStringLength = 0;
 	char    cwd[PATH_MAX+1];
 	char   *getCwdRet       = NULL;
+	char   *ttyPath         = NULL; 
 
 	int     i               = 0;
 	int     argc            = 0;
@@ -61,19 +62,26 @@ static inline void snoopy_log(const char *filename, char *const argv[])
 	}
 	#endif
 
-	// Count number of arguments
+	/* Count number of arguments */
 	for (argc=0 ; *(argv+argc) != '\0' ; argc++);
 
 
-	// Allocate memory for logString
+	/* Get ttyname */
+	ttyPath = ttyname(0);
+	if (ttyPath == NULL) {
+	    ttyPath = malloc(sizeof(int)*1);
+	    ttyPath = "\0";
+	}
+
+	/* Allocate memory for logString */
 	logStringLength = 0;
 	for (i=0 ; i<argc ; i++) {
-		// Argument length + space
+		/* Argument length + space */
 		logStringLength += sizeof(char) * (min(SNOOPY_MAX_ARG_LENGTH, strlen(argv[i])) + 1);
 	}
-	logString = (char *) malloc(logStringLength + 1);   // +1 for last \0
+	logString = (char *) malloc(logStringLength + 1);   /* +1 for last \0 */
 
-	// Create logString
+	/* Create logString */
 	strcpy(logString, "");
 	for (i=0 ; i<argc ; i++) {
 		argLength = strlen(argv[i]);
@@ -82,17 +90,20 @@ static inline void snoopy_log(const char *filename, char *const argv[])
 	}
 	strcat(logString, "\0");
 
-	// Log it
+	/* Log it */
 	openlog("snoopy", LOG_PID, LOG_AUTHPRIV);
 	#if defined(SNOOPY_CWD_LOGGING)
 		getCwdRet = getcwd(cwd, PATH_MAX+1);
-		syslog(LOG_INFO, "[uid:%d sid:%d cwd:%s]: %s", getuid(), getsid(0), cwd, logString);
+		syslog(LOG_INFO, "[uid:%d sid:%d cwd:%s tty:%s]: %s", getuid(), getsid(0), cwd, ttyPath, logString);
 	#else
-		syslog(LOG_INFO, "[uid:%d sid:%d]: %s", getuid(), getsid(0), logString);
+		syslog(LOG_INFO, "[uid:%d sid:%d tty:%s]: %s", getuid(), getsid(0), ttyPath, logString);
 	#endif
 
-	// Free the logString memory
+	/* Free the logString memory */
 	free(logString);
+
+	/* Should this be done? */
+        /* free(ttyPath); */
 }