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--- tcp_wrappers_7.6.orig/tcpd.h 1996-03-19 16:22:25.000000000 +0100
+++ tcp_wrappers_7.6/tcpd.h 2009-06-05 18:45:03.000000000 +0200
@@ -4,6 +4,25 @@
* Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
*/
+#ifndef _TCPWRAPPERS_TCPD_H
+#define _TCPWRAPPERS_TCPD_H
+
+/* someone else may have defined this */
+#undef __P
+
+/* use prototypes if we have an ANSI C compiler or are using C++ */
+#if defined(__STDC__) || defined(__cplusplus)
+#define __P(args) args
+#else
+#define __P(args) ()
+#endif
+
+/* Need definitions of struct sockaddr_in and FILE. */
+#include <netinet/in.h>
+#include <stdio.h>
+
+__BEGIN_DECLS
+
/* Structure to describe one communications endpoint. */
#define STRING_LENGTH 128 /* hosts, users, processes */
@@ -25,10 +44,10 @@ struct request_info {
char pid[10]; /* access via eval_pid(request) */
struct host_info client[1]; /* client endpoint info */
struct host_info server[1]; /* server endpoint info */
- void (*sink) (); /* datagram sink function or 0 */
- void (*hostname) (); /* address to printable hostname */
- void (*hostaddr) (); /* address to printable address */
- void (*cleanup) (); /* cleanup function or 0 */
+ void (*sink) __P((int)); /* datagram sink function or 0 */
+ void (*hostname) __P((struct host_info *)); /* address to printable hostname */
+ void (*hostaddr) __P((struct host_info *)); /* address to printable address */
+ void (*cleanup) __P((struct request_info *)); /* cleanup function or 0 */
struct netconfig *config; /* netdir handle */
};
@@ -61,25 +80,30 @@ extern char paranoid[];
/* Global functions. */
#if defined(TLI) || defined(PTX) || defined(TLI_SEQUENT)
-extern void fromhost(); /* get/validate client host info */
+extern void fromhost __P((struct request_info *)); /* get/validate client host info */
#else
#define fromhost sock_host /* no TLI support needed */
#endif
-extern int hosts_access(); /* access control */
-extern void shell_cmd(); /* execute shell command */
-extern char *percent_x(); /* do %<char> expansion */
-extern void rfc931(); /* client name from RFC 931 daemon */
-extern void clean_exit(); /* clean up and exit */
-extern void refuse(); /* clean up and exit */
-extern char *xgets(); /* fgets() on steroids */
-extern char *split_at(); /* strchr() and split */
-extern unsigned long dot_quad_addr(); /* restricted inet_addr() */
+extern void shell_cmd __P((char *)); /* execute shell command */
+extern char *percent_x __P((char *, int, char *, struct request_info *)); /* do %<char> expansion */
+extern void rfc931 __P((struct sockaddr_in *, struct sockaddr_in *, char *)); /* client name from RFC 931 daemon */
+extern void clean_exit __P((struct request_info *)); /* clean up and exit */
+extern void refuse __P((struct request_info *)); /* clean up and exit */
+extern char *xgets __P((char *, int, FILE *)); /* fgets() on steroids */
+extern char *split_at __P((char *, int)); /* strchr() and split */
+extern unsigned long dot_quad_addr __P((char *)); /* restricted inet_addr() */
/* Global variables. */
+#ifdef HAVE_WEAKSYMS
+extern int allow_severity __attribute__ ((weak)); /* for connection logging */
+extern int deny_severity __attribute__ ((weak)); /* for connection logging */
+#else
extern int allow_severity; /* for connection logging */
extern int deny_severity; /* for connection logging */
+#endif
+
extern char *hosts_allow_table; /* for verification mode redirection */
extern char *hosts_deny_table; /* for verification mode redirection */
extern int hosts_access_verbose; /* for verbose matching mode */
@@ -92,9 +116,14 @@ extern int resident; /* > 0 if residen
*/
#ifdef __STDC__
+extern int hosts_access(struct request_info *request);
+extern int hosts_ctl(char *daemon, char *client_name, char *client_addr,
+ char *client_user);
extern struct request_info *request_init(struct request_info *,...);
extern struct request_info *request_set(struct request_info *,...);
#else
+extern int hosts_access();
+extern int hosts_ctl();
extern struct request_info *request_init(); /* initialize request */
extern struct request_info *request_set(); /* update request structure */
#endif
@@ -117,27 +146,31 @@ extern struct request_info *request_set(
* host_info structures serve as caches for the lookup results.
*/
-extern char *eval_user(); /* client user */
-extern char *eval_hostname(); /* printable hostname */
-extern char *eval_hostaddr(); /* printable host address */
-extern char *eval_hostinfo(); /* host name or address */
-extern char *eval_client(); /* whatever is available */
-extern char *eval_server(); /* whatever is available */
+extern char *eval_user __P((struct request_info *)); /* client user */
+extern char *eval_hostname __P((struct host_info *)); /* printable hostname */
+extern char *eval_hostaddr __P((struct host_info *)); /* printable host address */
+extern char *eval_hostinfo __P((struct host_info *)); /* host name or address */
+extern char *eval_client __P((struct request_info *)); /* whatever is available */
+extern char *eval_server __P((struct request_info *)); /* whatever is available */
#define eval_daemon(r) ((r)->daemon) /* daemon process name */
#define eval_pid(r) ((r)->pid) /* process id */
/* Socket-specific methods, including DNS hostname lookups. */
-extern void sock_host(); /* look up endpoint addresses */
-extern void sock_hostname(); /* translate address to hostname */
-extern void sock_hostaddr(); /* address to printable address */
+/* look up endpoint addresses */
+extern void sock_host __P((struct request_info *));
+/* translate address to hostname */
+extern void sock_hostname __P((struct host_info *));
+/* address to printable address */
+extern void sock_hostaddr __P((struct host_info *));
+
#define sock_methods(r) \
{ (r)->hostname = sock_hostname; (r)->hostaddr = sock_hostaddr; }
/* The System V Transport-Level Interface (TLI) interface. */
#if defined(TLI) || defined(PTX) || defined(TLI_SEQUENT)
-extern void tli_host(); /* look up endpoint addresses etc. */
+extern void tli_host __P((struct request_info *)); /* look up endpoint addresses etc. */
#endif
/*
@@ -178,7 +211,7 @@ extern struct tcpd_context tcpd_context;
* behavior.
*/
-extern void process_options(); /* execute options */
+extern void process_options __P((char *, struct request_info *)); /* execute options */
extern int dry_run; /* verification flag */
/* Bug workarounds. */
@@ -217,3 +250,7 @@ extern char *fix_strtok();
#define strtok my_strtok
extern char *my_strtok();
#endif
+
+__END_DECLS
+
+#endif /* tcpd.h */
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