--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/libident/ident.h	Fri Sep 26 17:05:23 2008 +0200
@@ -0,0 +1,194 @@
+/*
+** ident.h
+**
+** Author: Peter Eriksson <pen@lysator.liu.se>
+** Intruder: Pär Emanuelsson <pell@lysator.liu.se>
+*/
+
+#ifndef __IDENT_H__
+#define __IDENT_H__
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/* Sigh */
+#ifdef __STDC__
+#  if __STDC__ == 1
+#    define IS_STDC 1
+#  endif
+#endif
+
+#ifdef __P
+#  undef __P
+#endif
+    
+#ifdef IS_STDC
+#  define __P(AL)	                  AL
+
+#ifdef IN_LIBIDENT_SRC
+    
+#  define __P1(t1,a1) \
+    (t1 a1)
+    
+#  define __P2(t1,a1,t2,a2) \
+    (t1 a1, t2 a2)
+	
+#  define __P3(t1,a1,t2,a2,t3,a3) \
+    (t1 a1, t2 a2, t3 a3)
+	    
+#  define __P4(t1,a1,t2,a2,t3,a3,t4,a4) \
+    (t1 a1, t2 a2, t3 a3, t4 a4)
+
+#  define __P5(t1,a1,t2,a2,t3,a3,t4,a4,t5,a5) \
+    (t1 a1, t2 a2, t3 a3, t4 a4, t5 a5)
+
+#  define __P7(t1,a1,t2,a2,t3,a3,t4,a4,t5,a5,t6,a6,t7,a7) \
+    (t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7)
+#endif
+    
+#else
+
+#  define __P(AL)	                  ()
+
+#ifdef IN_LIBIDENT_SRC
+    
+#  define __P1(t1,a1)                     (a1) \
+    t1 a1;
+#  define __P2(t1,a1,t2,a2)               (a1, a2) \
+    t1 a1; \
+    t2 a2;
+#  define __P3(t1,a1,t2,a2,t3,a3)         (a1, a2, a3) \
+    t1 a1; \
+    t2 a2; \
+    t3 a3;
+#  define __P4(t1,a1,t2,a2,t3,a3,t4,a4)   (a1, a2, a3, a4) \
+    t1 a1; \
+    t2 a2; \
+    t3 a3; \
+    t4 a4;
+#  define __P5(t1,a1,t2,a2,t3,a3,t4,a4,t5,a5)   (a1, a2, a3, a4, a5) \
+    t1 a1; \
+    t2 a2; \
+    t3 a3; \
+    t4 a4; \
+    t5 a5;
+#  define __P7(t1,a1,t2,a2,t3,a3,t4,a4,t5,a5,t6,a6,t7,a7) \
+    (a1, a2, a3, a4, a5, a6, a7) \
+    t1 a1; \
+    t2 a2; \
+    t3 a3; \
+    t4 a4; \
+    t5 a5; \
+    t6 a6; \
+    t7 a7;
+#endif
+#endif
+
+#ifdef IS_STDC
+#  undef IS_STDC
+#endif
+
+#ifdef _AIX
+#  include <sys/select.h>
+#endif
+#ifdef __sgi
+#  include <bstring.h>
+#endif
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <sys/time.h>
+
+#if defined(VMS) && !defined(FD_SETSIZE)
+#  define FD_SETSIZE 64
+#endif
+
+/*
+ * Sigh, GCC v2 complains when using undefined struct tags
+ * in function prototypes...
+ */
+#if defined(__GNUC__) && !defined(INADDR_ANY)
+#  define __STRUCT_IN_ADDR_P	void *
+#else
+#  define __STRUCT_IN_ADDR_P	struct in_addr *
+#endif
+
+#if defined(__GNUC__) && !defined(DST_NONE)
+#  define __STRUCT_TIMEVAL_P	void *
+#else
+#  define __STRUCT_TIMEVAL_P	struct timeval *
+#endif
+
+#if defined(__sgi) && defined(_POSIX_SOURCE)
+#  undef  __STRUCT_TIMEVAL_P
+#  define __STRUCT_TIMEVAL_P	void *
+#endif
+	
+#ifndef IDBUFSIZE
+#  define IDBUFSIZE 2048
+#endif
+
+#ifndef IDPORT
+#  define IDPORT	113
+#endif
+
+typedef struct
+{
+  int fd;
+  char buf[IDBUFSIZE];
+} ident_t;
+
+typedef struct {
+  int lport;                    /* Local port */
+  int fport;                    /* Far (remote) port */
+  char *identifier;             /* Normally user name */
+  char *opsys;                  /* OS */
+  char *charset;                /* Charset (what did you expect?) */
+} IDENT;                        /* For higher-level routines */
+
+/* Low-level calls and macros */
+#define id_fileno(ID)	((ID)->fd)
+
+extern ident_t * id_open __P((__STRUCT_IN_ADDR_P laddr,
+			   __STRUCT_IN_ADDR_P faddr,
+			   __STRUCT_TIMEVAL_P timeout));
+  
+extern int    id_close __P((ident_t *id));
+  
+extern int    id_query __P((ident_t *id,
+			    int lport,
+			    int fport,
+			    __STRUCT_TIMEVAL_P timeout));
+  
+extern int    id_parse __P((ident_t *id,
+			    __STRUCT_TIMEVAL_P timeout,
+			    int *lport,
+			    int *fport,
+			    char **identifier,
+			    char **opsys,
+			    char **charset));
+  
+/* High-level calls */
+
+extern IDENT *ident_lookup __P((int fd, int timeout));
+
+extern char  *ident_id __P((int fd, int timeout));
+
+extern IDENT *ident_query __P(( __STRUCT_IN_ADDR_P laddr, __STRUCT_IN_ADDR_P raddr, int lport, int rport, int timeout));
+
+extern void   ident_free __P((IDENT *id));
+
+extern char  id_version[];
+
+#ifdef IN_LIBIDENT_SRC
+
+extern char *id_strdup __P((char *str));
+extern char *id_strtok __P((char *cp, char *cs, char *dc));
+
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif