mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-09-12 22:06:47 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@450 3c298f89-4303-0410-b956-a3cf2f4a3e73
937 lines
32 KiB
Diff
937 lines
32 KiB
Diff
--- tcp-wrappers-7.6.orig/hosts_access.c
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+++ tcp-wrappers-7.6/hosts_access.c
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@@ -240,6 +240,26 @@
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}
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}
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+/* hostfile_match - look up host patterns from file */
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+
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+static int hostfile_match(path, host)
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+char *path;
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+struct hosts_info *host;
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+{
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+ char tok[BUFSIZ];
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+ int match = NO;
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+ FILE *fp;
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+
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+ if ((fp = fopen(path, "r")) != 0) {
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+ while (fscanf(fp, "%s", tok) == 1 && !(match = host_match(tok, host)))
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+ /* void */ ;
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+ fclose(fp);
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+ } else if (errno != ENOENT) {
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+ tcpd_warn("open %s: %m", path);
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+ }
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+ return (match);
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+}
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+
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/* host_match - match host name and/or address against pattern */
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static int host_match(tok, host)
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@@ -267,6 +287,8 @@
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tcpd_warn("netgroup support is disabled"); /* not tcpd_jump() */
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return (NO);
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#endif
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+ } else if (tok[0] == '/') { /* /file hack */
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+ return (hostfile_match(tok, host));
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} else if (STR_EQ(tok, "KNOWN")) { /* check address and name */
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char *name = eval_hostname(host);
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return (STR_NE(eval_hostaddr(host), unknown) && HOSTNAME_KNOWN(name));
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--- tcp-wrappers-7.6.orig/tcpd.h
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+++ tcp-wrappers-7.6/tcpd.h
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@@ -4,6 +4,25 @@
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* Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
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*/
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+#ifndef _TCPWRAPPERS_TCPD_H
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+#define _TCPWRAPPERS_TCPD_H
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+
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+/* someone else may have defined this */
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+#undef __P
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+
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+/* use prototypes if we have an ANSI C compiler or are using C++ */
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+#if defined(__STDC__) || defined(__cplusplus)
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+#define __P(args) args
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+#else
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+#define __P(args) ()
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+#endif
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+
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+/* Need definitions of struct sockaddr_in and FILE. */
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+#include <netinet/in.h>
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+#include <stdio.h>
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+
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+__BEGIN_DECLS
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+
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/* Structure to describe one communications endpoint. */
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#define STRING_LENGTH 128 /* hosts, users, processes */
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@@ -25,10 +44,10 @@
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char pid[10]; /* access via eval_pid(request) */
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struct host_info client[1]; /* client endpoint info */
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struct host_info server[1]; /* server endpoint info */
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- void (*sink) (); /* datagram sink function or 0 */
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- void (*hostname) (); /* address to printable hostname */
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- void (*hostaddr) (); /* address to printable address */
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- void (*cleanup) (); /* cleanup function or 0 */
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+ void (*sink) __P((int)); /* datagram sink function or 0 */
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+ void (*hostname) __P((struct host_info *)); /* address to printable hostname */
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+ void (*hostaddr) __P((struct host_info *)); /* address to printable address */
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+ void (*cleanup) __P((struct request_info *)); /* cleanup function or 0 */
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struct netconfig *config; /* netdir handle */
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};
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@@ -61,25 +80,30 @@
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/* Global functions. */
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#if defined(TLI) || defined(PTX) || defined(TLI_SEQUENT)
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-extern void fromhost(); /* get/validate client host info */
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+extern void fromhost __P((struct request_info *)); /* get/validate client host info */
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#else
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#define fromhost sock_host /* no TLI support needed */
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#endif
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-extern int hosts_access(); /* access control */
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-extern void shell_cmd(); /* execute shell command */
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-extern char *percent_x(); /* do %<char> expansion */
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-extern void rfc931(); /* client name from RFC 931 daemon */
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-extern void clean_exit(); /* clean up and exit */
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-extern void refuse(); /* clean up and exit */
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-extern char *xgets(); /* fgets() on steroids */
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-extern char *split_at(); /* strchr() and split */
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-extern unsigned long dot_quad_addr(); /* restricted inet_addr() */
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+extern void shell_cmd __P((char *)); /* execute shell command */
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+extern char *percent_x __P((char *, int, char *, struct request_info *)); /* do %<char> expansion */
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+extern void rfc931 __P((struct sockaddr_in *, struct sockaddr_in *, char *)); /* client name from RFC 931 daemon */
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+extern void clean_exit __P((struct request_info *)); /* clean up and exit */
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+extern void refuse __P((struct request_info *)); /* clean up and exit */
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+extern char *xgets __P((char *, int, FILE *)); /* fgets() on steroids */
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+extern char *split_at __P((char *, int)); /* strchr() and split */
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+extern unsigned long dot_quad_addr __P((char *)); /* restricted inet_addr() */
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/* Global variables. */
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+#ifdef HAVE_WEAKSYMS
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+extern int allow_severity __attribute__ ((weak)); /* for connection logging */
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+extern int deny_severity __attribute__ ((weak)); /* for connection logging */
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+#else
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extern int allow_severity; /* for connection logging */
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extern int deny_severity; /* for connection logging */
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+#endif
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+
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extern char *hosts_allow_table; /* for verification mode redirection */
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extern char *hosts_deny_table; /* for verification mode redirection */
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extern int hosts_access_verbose; /* for verbose matching mode */
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@@ -92,9 +116,14 @@
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*/
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#ifdef __STDC__
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+extern int hosts_access(struct request_info *request);
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+extern int hosts_ctl(char *daemon, char *client_name, char *client_addr,
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+ char *client_user);
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extern struct request_info *request_init(struct request_info *,...);
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extern struct request_info *request_set(struct request_info *,...);
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#else
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+extern int hosts_access();
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+extern int hosts_ctl();
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extern struct request_info *request_init(); /* initialize request */
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extern struct request_info *request_set(); /* update request structure */
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#endif
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@@ -117,27 +146,31 @@
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* host_info structures serve as caches for the lookup results.
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*/
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-extern char *eval_user(); /* client user */
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-extern char *eval_hostname(); /* printable hostname */
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-extern char *eval_hostaddr(); /* printable host address */
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-extern char *eval_hostinfo(); /* host name or address */
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-extern char *eval_client(); /* whatever is available */
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-extern char *eval_server(); /* whatever is available */
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+extern char *eval_user __P((struct request_info *)); /* client user */
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+extern char *eval_hostname __P((struct host_info *)); /* printable hostname */
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+extern char *eval_hostaddr __P((struct host_info *)); /* printable host address */
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+extern char *eval_hostinfo __P((struct host_info *)); /* host name or address */
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+extern char *eval_client __P((struct request_info *)); /* whatever is available */
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+extern char *eval_server __P((struct request_info *)); /* whatever is available */
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#define eval_daemon(r) ((r)->daemon) /* daemon process name */
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#define eval_pid(r) ((r)->pid) /* process id */
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/* Socket-specific methods, including DNS hostname lookups. */
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-extern void sock_host(); /* look up endpoint addresses */
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-extern void sock_hostname(); /* translate address to hostname */
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-extern void sock_hostaddr(); /* address to printable address */
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+/* look up endpoint addresses */
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+extern void sock_host __P((struct request_info *));
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+/* translate address to hostname */
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+extern void sock_hostname __P((struct host_info *));
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+/* address to printable address */
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+extern void sock_hostaddr __P((struct host_info *));
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+
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#define sock_methods(r) \
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{ (r)->hostname = sock_hostname; (r)->hostaddr = sock_hostaddr; }
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/* The System V Transport-Level Interface (TLI) interface. */
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#if defined(TLI) || defined(PTX) || defined(TLI_SEQUENT)
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-extern void tli_host(); /* look up endpoint addresses etc. */
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+extern void tli_host __P((struct request_info *)); /* look up endpoint addresses etc. */
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#endif
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/*
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@@ -178,7 +211,7 @@
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* behavior.
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*/
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-extern void process_options(); /* execute options */
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+extern void process_options __P((char *, struct request_info *)); /* execute options */
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extern int dry_run; /* verification flag */
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/* Bug workarounds. */
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@@ -217,3 +250,7 @@
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#define strtok my_strtok
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extern char *my_strtok();
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#endif
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+
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+__END_DECLS
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+
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+#endif /* tcpd.h */
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--- tcp-wrappers-7.6.orig/Makefile
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+++ tcp-wrappers-7.6/Makefile
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@@ -1,5 +1,10 @@
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+GLIBC=$(shell grep -s -c __GLIBC__ /usr/include/features.h)
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+
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# @(#) Makefile 1.23 97/03/21 19:27:20
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+# unset the HOSTNAME environment variable
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+HOSTNAME =
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+
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what:
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@echo
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@echo "Usage: edit the REAL_DAEMON_DIR definition in the Makefile then:"
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@@ -19,7 +24,7 @@
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@echo " generic (most bsd-ish systems with sys5 compatibility)"
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@echo " 386bsd aix alpha apollo bsdos convex-ultranet dell-gcc dgux dgux543"
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@echo " dynix epix esix freebsd hpux irix4 irix5 irix6 isc iunix"
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- @echo " linux machten mips(untested) ncrsvr4 netbsd next osf power_unix_211"
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+ @echo " linux gnu machten mips(untested) ncrsvr4 netbsd next osf power_unix_211"
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@echo " ptx-2.x ptx-generic pyramid sco sco-nis sco-od2 sco-os5 sinix sunos4"
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@echo " sunos40 sunos5 sysv4 tandem ultrix unicos7 unicos8 unixware1 unixware2"
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@echo " uts215 uxp"
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@@ -43,8 +48,8 @@
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# Ultrix 4.x SunOS 4.x ConvexOS 10.x Dynix/ptx
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#REAL_DAEMON_DIR=/usr/etc
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#
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-# SysV.4 Solaris 2.x OSF AIX
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-#REAL_DAEMON_DIR=/usr/sbin
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+# SysV.4 Solaris 2.x OSF AIX Linux
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+REAL_DAEMON_DIR=/usr/sbin
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#
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# BSD 4.4
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#REAL_DAEMON_DIR=/usr/libexec
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@@ -141,10 +146,21 @@
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LIBS= RANLIB=ranlib ARFLAGS=rv AUX_OBJ= NETGROUP= TLI= \
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EXTRA_CFLAGS=-DSYS_ERRLIST_DEFINED VSYSLOG= all
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+ifneq ($(GLIBC),0)
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+MYLIB=-lnsl
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+endif
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+
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linux:
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@make REAL_DAEMON_DIR=$(REAL_DAEMON_DIR) STYLE=$(STYLE) \
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- LIBS= RANLIB=ranlib ARFLAGS=rv AUX_OBJ=setenv.o \
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- NETGROUP= TLI= EXTRA_CFLAGS="-DBROKEN_SO_LINGER" all
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+ LIBS=$(MYLIB) RANLIB=ranlib ARFLAGS=rv AUX_OBJ=weak_symbols.o \
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+ NETGROUP=-DNETGROUP TLI= VSYSLOG= BUGS= all \
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+ EXTRA_CFLAGS="-DSYS_ERRLIST_DEFINED -DHAVE_WEAKSYMS -D_REENTRANT"
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+
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+gnu:
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+ @make REAL_DAEMON_DIR=$(REAL_DAEMON_DIR) STYLE=$(STYLE) \
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+ LIBS=$(MYLIB) RANLIB=ranlib ARFLAGS=rv AUX_OBJ=weak_symbols.o \
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+ NETGROUP=-DNETGROUP TLI= VSYSLOG= BUGS= all \
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+ EXTRA_CFLAGS="-DHAVE_STRERROR -DHAVE_WEAKSYMS -D_REENTRANT"
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# This is good for many SYSV+BSD hybrids with NIS, probably also for HP-UX 7.x.
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hpux hpux8 hpux9 hpux10:
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@@ -391,7 +407,7 @@
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# the ones provided with this source distribution. The environ.c module
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# implements setenv(), getenv(), and putenv().
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-AUX_OBJ= setenv.o
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+#AUX_OBJ= setenv.o
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#AUX_OBJ= environ.o
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#AUX_OBJ= environ.o strcasecmp.o
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@@ -454,7 +470,8 @@
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# host name aliases. Compile with -DSOLARIS_24_GETHOSTBYNAME_BUG to work
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# around this. The workaround does no harm on other Solaris versions.
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-BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS -DLIBC_CALLS_STRTOK
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+BUGS =
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+#BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS -DLIBC_CALLS_STRTOK
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#BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS -DINET_ADDR_BUG
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#BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS -DSOLARIS_24_GETHOSTBYNAME_BUG
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@@ -464,7 +481,7 @@
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# If your system supports NIS or YP-style netgroups, enable the following
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# macro definition. Netgroups are used only for host access control.
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#
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-#NETGROUP= -DNETGROUP
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+NETGROUP= -DNETGROUP
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###############################################################
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# System dependencies: whether or not your system has vsyslog()
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@@ -491,7 +508,7 @@
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# Uncomment the next definition to turn on the language extensions
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# (examples: allow, deny, banners, twist and spawn).
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#
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-#STYLE = -DPROCESS_OPTIONS # Enable language extensions.
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+STYLE = -DPROCESS_OPTIONS # Enable language extensions.
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################################################################
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# Optional: Changing the default disposition of logfile records
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@@ -514,7 +531,7 @@
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#
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# The LOG_XXX names below are taken from the /usr/include/syslog.h file.
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-FACILITY= LOG_MAIL # LOG_MAIL is what most sendmail daemons use
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+FACILITY= LOG_DAEMON # LOG_MAIL is what most sendmail daemons use
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# The syslog priority at which successful connections are logged.
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@@ -610,7 +627,7 @@
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# Paranoid mode implies hostname lookup. In order to disable hostname
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# lookups altogether, see the next section.
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-PARANOID= -DPARANOID
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+#PARANOID= -DPARANOID
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########################################
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# Optional: turning off hostname lookups
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@@ -623,7 +640,7 @@
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# In order to perform selective hostname lookups, disable paranoid
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# mode (see previous section) and comment out the following definition.
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-HOSTNAME= -DALWAYS_HOSTNAME
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+#HOSTNAME= -DALWAYS_HOSTNAME
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#############################################
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# Optional: Turning on host ADDRESS checking
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@@ -649,28 +666,46 @@
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# source-routed traffic in the kernel. Examples: 4.4BSD derivatives,
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# Solaris 2.x, and Linux. See your system documentation for details.
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#
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-# KILL_OPT= -DKILL_IP_OPTIONS
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+KILL_OPT= -DKILL_IP_OPTIONS
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## End configuration options
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############################
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# Protection against weird shells or weird make programs.
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+CC = gcc
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SHELL = /bin/sh
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-.c.o:; $(CC) $(CFLAGS) -c $*.c
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+.c.o:; $(CC) $(CFLAGS) -o $*.o -c $*.c
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+
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+SOMAJOR = 0
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+SOMINOR = 7.6
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+
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+LIB = libwrap.a
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+SHLIB = shared/libwrap.so.$(SOMAJOR).$(SOMINOR)
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+SHLIBSOMAJ= shared/libwrap.so.$(SOMAJOR)
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+SHLIBSO = shared/libwrap.so
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+SHLIBFLAGS = -Lshared -lwrap
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-CFLAGS = -O -DFACILITY=$(FACILITY) $(ACCESS) $(PARANOID) $(NETGROUP) \
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+shared/%.o: %.c
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+ $(CC) $(CFLAGS) $(SHCFLAGS) -c $< -o $@
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+
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+CFLAGS = -O2 -g -DFACILITY=$(FACILITY) $(ACCESS) $(PARANOID) $(NETGROUP) \
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$(BUGS) $(SYSTYPE) $(AUTH) $(UMASK) \
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-DREAL_DAEMON_DIR=\"$(REAL_DAEMON_DIR)\" $(STYLE) $(KILL_OPT) \
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-DSEVERITY=$(SEVERITY) -DRFC931_TIMEOUT=$(RFC931_TIMEOUT) \
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$(UCHAR) $(TABLES) $(STRINGS) $(TLI) $(EXTRA_CFLAGS) $(DOT) \
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$(VSYSLOG) $(HOSTNAME)
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+SHLINKFLAGS = -shared -Xlinker -soname -Xlinker libwrap.so.$(SOMAJOR) -lc $(LIBS)
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+SHCFLAGS = -fPIC -shared -D_REENTRANT
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+
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LIB_OBJ= hosts_access.o options.o shell_cmd.o rfc931.o eval.o \
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hosts_ctl.o refuse.o percent_x.o clean_exit.o $(AUX_OBJ) \
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$(FROM_OBJ) fix_options.o socket.o tli.o workarounds.o \
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update.o misc.o diag.o percent_m.o myvsyslog.o
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+SHLIB_OBJ= $(addprefix shared/, $(LIB_OBJ));
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+
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FROM_OBJ= fromhost.o
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KIT = README miscd.c tcpd.c fromhost.c hosts_access.c shell_cmd.c \
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@@ -684,46 +719,78 @@
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refuse.c tcpdchk.8 setenv.c inetcf.c inetcf.h scaffold.c \
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scaffold.h tcpdmatch.8 README.NIS
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-LIB = libwrap.a
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-
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-all other: config-check tcpd tcpdmatch try-from safe_finger tcpdchk
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+all other: config-check tcpd tcpdmatch try-from safe_finger tcpdchk $(LIB)
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# Invalidate all object files when the compiler options (CFLAGS) have changed.
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config-check:
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@set +e; test -n "$(REAL_DAEMON_DIR)" || { make; exit 1; }
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- @set +e; echo $(CFLAGS) >/tmp/cflags.$$$$ ; \
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- if cmp cflags /tmp/cflags.$$$$ ; \
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- then rm /tmp/cflags.$$$$ ; \
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- else mv /tmp/cflags.$$$$ cflags ; \
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+ @set +e; echo $(CFLAGS) >cflags.new ; \
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+ if cmp cflags cflags.new ; \
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+ then rm cflags.new ; \
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+ else mv cflags.new cflags ; \
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fi >/dev/null 2>/dev/null
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+ @if [ ! -d shared ]; then mkdir shared; fi
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$(LIB): $(LIB_OBJ)
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rm -f $(LIB)
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$(AR) $(ARFLAGS) $(LIB) $(LIB_OBJ)
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-$(RANLIB) $(LIB)
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-tcpd: tcpd.o $(LIB)
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- $(CC) $(CFLAGS) -o $@ tcpd.o $(LIB) $(LIBS)
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+$(SHLIB): $(SHLIB_OBJ)
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+ rm -f $(SHLIB)
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+ $(CC) -o $(SHLIB) $(SHLINKFLAGS) $(SHLIB_OBJ)
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+ ln -s $(notdir $(SHLIB)) $(SHLIBSOMAJ)
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+ ln -s $(notdir $(SHLIBSOMAJ)) $(SHLIBSO)
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+
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+tcpd: tcpd.o $(SHLIB)
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+ $(CC) $(CFLAGS) -o $@ tcpd.o $(SHLIBFLAGS)
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-miscd: miscd.o $(LIB)
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- $(CC) $(CFLAGS) -o $@ miscd.o $(LIB) $(LIBS)
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+miscd: miscd.o $(SHLIB)
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+ $(CC) $(CFLAGS) -o $@ miscd.o $(SHLIBFLAGS)
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-safe_finger: safe_finger.o $(LIB)
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- $(CC) $(CFLAGS) -o $@ safe_finger.o $(LIB) $(LIBS)
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+safe_finger: safe_finger.o $(SHLIB)
|
|
+ $(CC) $(CFLAGS) -o $@ safe_finger.o $(SHLIBFLAGS)
|
|
|
|
TCPDMATCH_OBJ = tcpdmatch.o fakelog.o inetcf.o scaffold.o
|
|
|
|
-tcpdmatch: $(TCPDMATCH_OBJ) $(LIB)
|
|
- $(CC) $(CFLAGS) -o $@ $(TCPDMATCH_OBJ) $(LIB) $(LIBS)
|
|
+tcpdmatch: $(TCPDMATCH_OBJ) $(SHLIB)
|
|
+ $(CC) $(CFLAGS) -o $@ $(TCPDMATCH_OBJ) $(SHLIBFLAGS)
|
|
|
|
-try-from: try-from.o fakelog.o $(LIB)
|
|
- $(CC) $(CFLAGS) -o $@ try-from.o fakelog.o $(LIB) $(LIBS)
|
|
+try-from: try-from.o fakelog.o $(SHLIB)
|
|
+ $(CC) $(CFLAGS) -o $@ try-from.o fakelog.o $(SHLIBFLAGS)
|
|
|
|
TCPDCHK_OBJ = tcpdchk.o fakelog.o inetcf.o scaffold.o
|
|
|
|
-tcpdchk: $(TCPDCHK_OBJ) $(LIB)
|
|
- $(CC) $(CFLAGS) -o $@ $(TCPDCHK_OBJ) $(LIB) $(LIBS)
|
|
+tcpdchk: $(TCPDCHK_OBJ) $(SHLIB)
|
|
+ $(CC) $(CFLAGS) -o $@ $(TCPDCHK_OBJ) $(SHLIBFLAGS)
|
|
+
|
|
+install: install-lib install-bin install-dev
|
|
+
|
|
+install-lib:
|
|
+ install -o root -g root -m 0644 $(SHLIB) ${DESTDIR}/lib/
|
|
+ ln -s $(notdir $(SHLIB)) ${DESTDIR}/lib/$(notdir $(SHLIBSOMAJ))
|
|
+
|
|
+install-bin:
|
|
+ install -o root -g root -m 0755 tcpd ${DESTDIR}/usr/sbin/
|
|
+ install -o root -g root -m 0755 tcpdchk ${DESTDIR}/usr/sbin/
|
|
+ install -o root -g root -m 0755 tcpdmatch ${DESTDIR}/usr/sbin/
|
|
+ install -o root -g root -m 0755 try-from ${DESTDIR}/usr/sbin/
|
|
+ install -o root -g root -m 0755 safe_finger ${DESTDIR}/usr/sbin/
|
|
+ install -o root -g root -m 0644 tcpd.8 ${DESTDIR}/usr/share/man/man8/
|
|
+ install -o root -g root -m 0644 tcpdchk.8 ${DESTDIR}/usr/share/man/man8/
|
|
+ install -o root -g root -m 0644 tcpdmatch.8 ${DESTDIR}/usr/share/man/man8/
|
|
+ install -o root -g root -m 0644 hosts_access.5 ${DESTDIR}/usr/share/man/man5/
|
|
+ install -o root -g root -m 0644 hosts_options.5 ${DESTDIR}/usr/share/man/man5/
|
|
+
|
|
+install-dev:
|
|
+ ln -s /lib/$(notdir $(SHLIBSOMAJ)) ${DESTDIR}/usr/lib/$(notdir $(SHLIBSO))
|
|
+ install -o root -g root -m 0644 hosts_access.3 ${DESTDIR}/usr/share/man/man3/
|
|
+ install -o root -g root -m 0644 tcpd.h ${DESTDIR}/usr/include/
|
|
+ install -o root -g root -m 0644 $(LIB) ${DESTDIR}/usr/lib/
|
|
+ ln -s hosts_access.3 ${DESTDIR}/usr/share/man/man3/hosts_ctl.3
|
|
+ ln -s hosts_access.3 ${DESTDIR}/usr/share/man/man3/request_init.3
|
|
+ ln -s hosts_access.3 ${DESTDIR}/usr/share/man/man3/request_set.3
|
|
|
|
shar: $(KIT)
|
|
@shar $(KIT)
|
|
@@ -739,7 +806,8 @@
|
|
|
|
clean:
|
|
rm -f tcpd miscd safe_finger tcpdmatch tcpdchk try-from *.[oa] core \
|
|
- cflags
|
|
+ cflags libwrap*.so*
|
|
+ rm -rf shared
|
|
|
|
tidy: clean
|
|
chmod -R a+r .
|
|
@@ -885,5 +953,6 @@
|
|
update.o: mystdarg.h
|
|
update.o: tcpd.h
|
|
vfprintf.o: cflags
|
|
+weak_symbols.o: tcpd.h
|
|
workarounds.o: cflags
|
|
workarounds.o: tcpd.h
|
|
--- tcp-wrappers-7.6.orig/hosts_access.5
|
|
+++ tcp-wrappers-7.6/hosts_access.5
|
|
@@ -8,9 +8,9 @@
|
|
impatient reader is encouraged to skip to the EXAMPLES section for a
|
|
quick introduction.
|
|
.PP
|
|
-An extended version of the access control language is described in the
|
|
-\fIhosts_options\fR(5) document. The extensions are turned on at
|
|
-program build time by building with -DPROCESS_OPTIONS.
|
|
+The extended version of the access control language is described in the
|
|
+\fIhosts_options\fR(5) document. \fBNote that this language supersedes
|
|
+the meaning of \fIshell_command\fB as documented below.\fR
|
|
.PP
|
|
In the following text, \fIdaemon\fR is the the process name of a
|
|
network daemon process, and \fIclient\fR is the name and/or address of
|
|
@@ -40,7 +40,7 @@
|
|
character. This permits you to break up long lines so that they are
|
|
easier to edit.
|
|
.IP \(bu
|
|
-Blank lines or lines that begin with a `#\' character are ignored.
|
|
+Blank lines or lines that begin with a `#' character are ignored.
|
|
This permits you to insert comments and whitespace so that the tables
|
|
are easier to read.
|
|
.IP \(bu
|
|
@@ -69,26 +69,33 @@
|
|
.SH PATTERNS
|
|
The access control language implements the following patterns:
|
|
.IP \(bu
|
|
-A string that begins with a `.\' character. A host name is matched if
|
|
+A string that begins with a `.' character. A host name is matched if
|
|
the last components of its name match the specified pattern. For
|
|
-example, the pattern `.tue.nl\' matches the host name
|
|
-`wzv.win.tue.nl\'.
|
|
+example, the pattern `.tue.nl' matches the host name
|
|
+`wzv.win.tue.nl'.
|
|
.IP \(bu
|
|
-A string that ends with a `.\' character. A host address is matched if
|
|
+A string that ends with a `.' character. A host address is matched if
|
|
its first numeric fields match the given string. For example, the
|
|
-pattern `131.155.\' matches the address of (almost) every host on the
|
|
+pattern `131.155.' matches the address of (almost) every host on the
|
|
Eind\%hoven University network (131.155.x.x).
|
|
.IP \(bu
|
|
-A string that begins with an `@\' character is treated as an NIS
|
|
+A string that begins with an `@' character is treated as an NIS
|
|
(formerly YP) netgroup name. A host name is matched if it is a host
|
|
member of the specified netgroup. Netgroup matches are not supported
|
|
for daemon process names or for client user names.
|
|
.IP \(bu
|
|
-An expression of the form `n.n.n.n/m.m.m.m\' is interpreted as a
|
|
-`net/mask\' pair. A host address is matched if `net\' is equal to the
|
|
-bitwise AND of the address and the `mask\'. For example, the net/mask
|
|
-pattern `131.155.72.0/255.255.254.0\' matches every address in the
|
|
-range `131.155.72.0\' through `131.155.73.255\'.
|
|
+An expression of the form `n.n.n.n/m.m.m.m' is interpreted as a
|
|
+`net/mask' pair. A host address is matched if `net' is equal to the
|
|
+bitwise AND of the address and the `mask'. For example, the net/mask
|
|
+pattern `131.155.72.0/255.255.254.0' matches every address in the
|
|
+range `131.155.72.0' through `131.155.73.255'.
|
|
+.IP \(bu
|
|
+A string that begins with a `/' character is treated as a file
|
|
+name. A host name or address is matched if it matches any host name
|
|
+or address pattern listed in the named file. The file format is
|
|
+zero or more lines with zero or more host name or address patterns
|
|
+separated by whitespace. A file name pattern can be used anywhere
|
|
+a host name or address pattern can be used.
|
|
.SH WILDCARDS
|
|
The access control language supports explicit wildcards:
|
|
.IP ALL
|
|
@@ -115,19 +122,19 @@
|
|
.ne 6
|
|
.SH OPERATORS
|
|
.IP EXCEPT
|
|
-Intended use is of the form: `list_1 EXCEPT list_2\'; this construct
|
|
+Intended use is of the form: `list_1 EXCEPT list_2'; this construct
|
|
matches anything that matches \fIlist_1\fR unless it matches
|
|
\fIlist_2\fR. The EXCEPT operator can be used in daemon_lists and in
|
|
client_lists. The EXCEPT operator can be nested: if the control
|
|
-language would permit the use of parentheses, `a EXCEPT b EXCEPT c\'
|
|
-would parse as `(a EXCEPT (b EXCEPT c))\'.
|
|
+language would permit the use of parentheses, `a EXCEPT b EXCEPT c'
|
|
+would parse as `(a EXCEPT (b EXCEPT c))'.
|
|
.br
|
|
.ne 6
|
|
.SH SHELL COMMANDS
|
|
If the first-matched access control rule contains a shell command, that
|
|
command is subjected to %<letter> substitutions (see next section).
|
|
The result is executed by a \fI/bin/sh\fR child process with standard
|
|
-input, output and error connected to \fI/dev/null\fR. Specify an `&\'
|
|
+input, output and error connected to \fI/dev/null\fR. Specify an `&'
|
|
at the end of the command if you do not want to wait until it has
|
|
completed.
|
|
.PP
|
|
@@ -159,7 +166,7 @@
|
|
.IP %u
|
|
The client user name (or "unknown").
|
|
.IP %%
|
|
-Expands to a single `%\' character.
|
|
+Expands to a single `%' character.
|
|
.PP
|
|
Characters in % expansions that may confuse the shell are replaced by
|
|
underscores.
|
|
@@ -243,9 +250,9 @@
|
|
less trustworthy. It is possible for an intruder to spoof both the
|
|
client connection and the IDENT lookup, although doing so is much
|
|
harder than spoofing just a client connection. It may also be that
|
|
-the client\'s IDENT server is lying.
|
|
+the client's IDENT server is lying.
|
|
.PP
|
|
-Note: IDENT lookups don\'t work with UDP services.
|
|
+Note: IDENT lookups don't work with UDP services.
|
|
.SH EXAMPLES
|
|
The language is flexible enough that different types of access control
|
|
policy can be expressed with a minimum of fuss. Although the language
|
|
@@ -285,7 +292,7 @@
|
|
.br
|
|
ALL: .foobar.edu EXCEPT terminalserver.foobar.edu
|
|
.PP
|
|
-The first rule permits access from hosts in the local domain (no `.\'
|
|
+The first rule permits access from hosts in the local domain (no `.'
|
|
in the host name) and from members of the \fIsome_netgroup\fP
|
|
netgroup. The second rule permits access from all hosts in the
|
|
\fIfoobar.edu\fP domain (notice the leading dot), with the exception of
|
|
@@ -322,8 +329,8 @@
|
|
/etc/hosts.deny:
|
|
.in +3
|
|
.nf
|
|
-in.tftpd: ALL: (/some/where/safe_finger -l @%h | \\
|
|
- /usr/ucb/mail -s %d-%h root) &
|
|
+in.tftpd: ALL: (/usr/sbin/safe_finger -l @%h | \\
|
|
+ /usr/bin/mail -s %d-%h root) &
|
|
.fi
|
|
.PP
|
|
The safe_finger command comes with the tcpd wrapper and should be
|
|
@@ -349,7 +356,7 @@
|
|
capacity of an internal buffer; when an access control rule is not
|
|
terminated by a newline character; when the result of %<letter>
|
|
expansion would overflow an internal buffer; when a system call fails
|
|
-that shouldn\'t. All problems are reported via the syslog daemon.
|
|
+that shouldn't. All problems are reported via the syslog daemon.
|
|
.SH FILES
|
|
.na
|
|
.nf
|
|
--- tcp-wrappers-7.6.orig/rfc931.c
|
|
+++ tcp-wrappers-7.6/rfc931.c
|
|
@@ -33,7 +33,7 @@
|
|
|
|
int rfc931_timeout = RFC931_TIMEOUT;/* Global so it can be changed */
|
|
|
|
-static jmp_buf timebuf;
|
|
+static sigjmp_buf timebuf;
|
|
|
|
/* fsocket - open stdio stream on top of socket */
|
|
|
|
@@ -62,7 +62,7 @@
|
|
static void timeout(sig)
|
|
int sig;
|
|
{
|
|
- longjmp(timebuf, sig);
|
|
+ siglongjmp(timebuf, sig);
|
|
}
|
|
|
|
/* rfc931 - return remote user name, given socket structures */
|
|
@@ -99,7 +99,7 @@
|
|
* Set up a timer so we won't get stuck while waiting for the server.
|
|
*/
|
|
|
|
- if (setjmp(timebuf) == 0) {
|
|
+ if (sigsetjmp(timebuf,1) == 0) {
|
|
signal(SIGALRM, timeout);
|
|
alarm(rfc931_timeout);
|
|
|
|
--- tcp-wrappers-7.6.orig/tcpd.8
|
|
+++ tcp-wrappers-7.6/tcpd.8
|
|
@@ -94,7 +94,7 @@
|
|
.PP
|
|
The example assumes that the network daemons live in /usr/etc. On some
|
|
systems, network daemons live in /usr/sbin or in /usr/libexec, or have
|
|
-no `in.\' prefix to their name.
|
|
+no `in.' prefix to their name.
|
|
.SH EXAMPLE 2
|
|
This example applies when \fItcpd\fR expects that the network daemons
|
|
are left in their original place.
|
|
@@ -110,26 +110,26 @@
|
|
becomes:
|
|
.sp
|
|
.ti +5
|
|
-finger stream tcp nowait nobody /some/where/tcpd in.fingerd
|
|
+finger stream tcp nowait nobody /usr/sbin/tcpd in.fingerd
|
|
.sp
|
|
.fi
|
|
.PP
|
|
The example assumes that the network daemons live in /usr/etc. On some
|
|
systems, network daemons live in /usr/sbin or in /usr/libexec, the
|
|
-daemons have no `in.\' prefix to their name, or there is no userid
|
|
+daemons have no `in.' prefix to their name, or there is no userid
|
|
field in the inetd configuration file.
|
|
.PP
|
|
Similar changes will be needed for the other services that are to be
|
|
-covered by \fItcpd\fR. Send a `kill -HUP\' to the \fIinetd\fR(8)
|
|
+covered by \fItcpd\fR. Send a `kill -HUP' to the \fIinetd\fR(8)
|
|
process to make the changes effective. AIX users may also have to
|
|
-execute the `inetimp\' command.
|
|
+execute the `inetimp' command.
|
|
.SH EXAMPLE 3
|
|
In the case of daemons that do not live in a common directory ("secret"
|
|
or otherwise), edit the \fIinetd\fR configuration file so that it
|
|
specifies an absolute path name for the process name field. For example:
|
|
.nf
|
|
.sp
|
|
- ntalk dgram udp wait root /some/where/tcpd /usr/local/lib/ntalkd
|
|
+ ntalk dgram udp wait root /usr/sbin/tcpd /usr/sbin/in.ntalkd
|
|
.sp
|
|
.fi
|
|
.PP
|
|
--- tcp-wrappers-7.6.orig/hosts_access.3
|
|
+++ tcp-wrappers-7.6/hosts_access.3
|
|
@@ -3,7 +3,7 @@
|
|
hosts_access, hosts_ctl, request_init, request_set \- access control library
|
|
.SH SYNOPSIS
|
|
.nf
|
|
-#include "tcpd.h"
|
|
+#include <tcpd.h>
|
|
|
|
extern int allow_severity;
|
|
extern int deny_severity;
|
|
--- tcp-wrappers-7.6.orig/options.c
|
|
+++ tcp-wrappers-7.6/options.c
|
|
@@ -473,6 +473,9 @@
|
|
#ifdef LOG_CRON
|
|
"cron", LOG_CRON,
|
|
#endif
|
|
+#ifdef LOG_FTP
|
|
+ "ftp", LOG_FTP,
|
|
+#endif
|
|
#ifdef LOG_LOCAL0
|
|
"local0", LOG_LOCAL0,
|
|
#endif
|
|
--- tcp-wrappers-7.6.orig/fix_options.c
|
|
+++ tcp-wrappers-7.6/fix_options.c
|
|
@@ -35,7 +35,12 @@
|
|
#ifdef IP_OPTIONS
|
|
unsigned char optbuf[BUFFER_SIZE / 3], *cp;
|
|
char lbuf[BUFFER_SIZE], *lp;
|
|
+#if !defined(__GLIBC__)
|
|
int optsize = sizeof(optbuf), ipproto;
|
|
+#else /* __GLIBC__ */
|
|
+ size_t optsize = sizeof(optbuf);
|
|
+ int ipproto;
|
|
+#endif /* __GLIBC__ */
|
|
struct protoent *ip;
|
|
int fd = request->fd;
|
|
unsigned int opt;
|
|
--- tcp-wrappers-7.6.orig/workarounds.c
|
|
+++ tcp-wrappers-7.6/workarounds.c
|
|
@@ -163,7 +163,11 @@
|
|
int fix_getpeername(sock, sa, len)
|
|
int sock;
|
|
struct sockaddr *sa;
|
|
+#if !defined(__GLIBC__)
|
|
int *len;
|
|
+#else /* __GLIBC__ */
|
|
+size_t *len;
|
|
+#endif /* __GLIBC__ */
|
|
{
|
|
int ret;
|
|
struct sockaddr_in *sin = (struct sockaddr_in *) sa;
|
|
--- tcp-wrappers-7.6.orig/socket.c
|
|
+++ tcp-wrappers-7.6/socket.c
|
|
@@ -76,7 +76,11 @@
|
|
{
|
|
static struct sockaddr_in client;
|
|
static struct sockaddr_in server;
|
|
+#if !defined (__GLIBC__)
|
|
int len;
|
|
+#else /* __GLIBC__ */
|
|
+ size_t len;
|
|
+#endif /* __GLIBC__ */
|
|
char buf[BUFSIZ];
|
|
int fd = request->fd;
|
|
|
|
@@ -224,7 +228,11 @@
|
|
{
|
|
char buf[BUFSIZ];
|
|
struct sockaddr_in sin;
|
|
+#if !defined(__GLIBC__)
|
|
int size = sizeof(sin);
|
|
+#else /* __GLIBC__ */
|
|
+ size_t size = sizeof(sin);
|
|
+#endif /* __GLIBC__ */
|
|
|
|
/*
|
|
* Eat up the not-yet received datagram. Some systems insist on a
|
|
--- tcp-wrappers-7.6.orig/safe_finger.c
|
|
+++ tcp-wrappers-7.6/safe_finger.c
|
|
@@ -26,21 +26,24 @@
|
|
#include <stdio.h>
|
|
#include <ctype.h>
|
|
#include <pwd.h>
|
|
+#include <syslog.h>
|
|
|
|
extern void exit();
|
|
|
|
/* Local stuff */
|
|
|
|
-char path[] = "PATH=/bin:/usr/bin:/usr/ucb:/usr/bsd:/etc:/usr/etc:/usr/sbin";
|
|
+char path[] = "PATH=/bin:/usr/bin:/sbin:/usr/sbin";
|
|
|
|
#define TIME_LIMIT 60 /* Do not keep listinging forever */
|
|
#define INPUT_LENGTH 100000 /* Do not keep listinging forever */
|
|
#define LINE_LENGTH 128 /* Editors can choke on long lines */
|
|
#define FINGER_PROGRAM "finger" /* Most, if not all, UNIX systems */
|
|
#define UNPRIV_NAME "nobody" /* Preferred privilege level */
|
|
-#define UNPRIV_UGID 32767 /* Default uid and gid */
|
|
+#define UNPRIV_UGID 65534 /* Default uid and gid */
|
|
|
|
int finger_pid;
|
|
+int allow_severity = SEVERITY;
|
|
+int deny_severity = LOG_WARNING;
|
|
|
|
void cleanup(sig)
|
|
int sig;
|
|
--- tcp-wrappers-7.6.orig/hosts_options.5
|
|
+++ tcp-wrappers-7.6/hosts_options.5
|
|
@@ -58,12 +58,12 @@
|
|
Execute, in a child process, the specified shell command, after
|
|
performing the %<letter> expansions described in the hosts_access(5)
|
|
manual page. The command is executed with stdin, stdout and stderr
|
|
-connected to the null device, so that it won\'t mess up the
|
|
+connected to the null device, so that it won't mess up the
|
|
conversation with the client host. Example:
|
|
.sp
|
|
.nf
|
|
.ti +3
|
|
-spawn (/some/where/safe_finger -l @%h | /usr/ucb/mail root) &
|
|
+spawn (/usr/sbin/safe_finger -l @%h | /usr/bin/mail root) &
|
|
.fi
|
|
.sp
|
|
executes, in a background child process, the shell command "safe_finger
|
|
--- tcp-wrappers-7.6.orig/tcpdchk.c
|
|
+++ tcp-wrappers-7.6/tcpdchk.c
|
|
@@ -350,6 +350,8 @@
|
|
{
|
|
if (pat[0] == '@') {
|
|
tcpd_warn("%s: daemon name begins with \"@\"", pat);
|
|
+ } else if (pat[0] == '/') {
|
|
+ tcpd_warn("%s: daemon name begins with \"/\"", pat);
|
|
} else if (pat[0] == '.') {
|
|
tcpd_warn("%s: daemon name begins with dot", pat);
|
|
} else if (pat[strlen(pat) - 1] == '.') {
|
|
@@ -382,6 +384,8 @@
|
|
{
|
|
if (pat[0] == '@') { /* @netgroup */
|
|
tcpd_warn("%s: user name begins with \"@\"", pat);
|
|
+ } else if (pat[0] == '/') {
|
|
+ tcpd_warn("%s: user name begins with \"/\"", pat);
|
|
} else if (pat[0] == '.') {
|
|
tcpd_warn("%s: user name begins with dot", pat);
|
|
} else if (pat[strlen(pat) - 1] == '.') {
|
|
@@ -402,8 +406,13 @@
|
|
static int check_host(pat)
|
|
char *pat;
|
|
{
|
|
+ char buf[BUFSIZ];
|
|
char *mask;
|
|
int addr_count = 1;
|
|
+ FILE *fp;
|
|
+ struct tcpd_context saved_context;
|
|
+ char *cp;
|
|
+ char *wsp = " \t\r\n";
|
|
|
|
if (pat[0] == '@') { /* @netgroup */
|
|
#ifdef NO_NETGRENT
|
|
@@ -422,6 +431,21 @@
|
|
tcpd_warn("netgroup support disabled");
|
|
#endif
|
|
#endif
|
|
+ } else if (pat[0] == '/') { /* /path/name */
|
|
+ if ((fp = fopen(pat, "r")) != 0) {
|
|
+ saved_context = tcpd_context;
|
|
+ tcpd_context.file = pat;
|
|
+ tcpd_context.line = 0;
|
|
+ while (fgets(buf, sizeof(buf), fp)) {
|
|
+ tcpd_context.line++;
|
|
+ for (cp = strtok(buf, wsp); cp; cp = strtok((char *) 0, wsp))
|
|
+ check_host(cp);
|
|
+ }
|
|
+ tcpd_context = saved_context;
|
|
+ fclose(fp);
|
|
+ } else if (errno != ENOENT) {
|
|
+ tcpd_warn("open %s: %m", pat);
|
|
+ }
|
|
} else if (mask = split_at(pat, '/')) { /* network/netmask */
|
|
if (dot_quad_addr(pat) == INADDR_NONE
|
|
|| dot_quad_addr(mask) == INADDR_NONE)
|
|
--- tcp-wrappers-7.6.orig/percent_m.c
|
|
+++ tcp-wrappers-7.6/percent_m.c
|
|
@@ -13,7 +13,7 @@
|
|
#include <string.h>
|
|
|
|
extern int errno;
|
|
-#ifndef SYS_ERRLIST_DEFINED
|
|
+#if !defined(SYS_ERRLIST_DEFINED) && !defined(HAVE_STRERROR)
|
|
extern char *sys_errlist[];
|
|
extern int sys_nerr;
|
|
#endif
|
|
@@ -29,11 +29,15 @@
|
|
|
|
while (*bp = *cp)
|
|
if (*cp == '%' && cp[1] == 'm') {
|
|
+#ifdef HAVE_STRERROR
|
|
+ strcpy(bp, strerror(errno));
|
|
+#else
|
|
if (errno < sys_nerr && errno > 0) {
|
|
strcpy(bp, sys_errlist[errno]);
|
|
} else {
|
|
sprintf(bp, "Unknown error %d", errno);
|
|
}
|
|
+#endif
|
|
bp += strlen(bp);
|
|
cp += 2;
|
|
} else {
|
|
--- tcp-wrappers-7.6.orig/scaffold.c
|
|
+++ tcp-wrappers-7.6/scaffold.c
|
|
@@ -180,10 +180,12 @@
|
|
|
|
/* ARGSUSED */
|
|
|
|
-void rfc931(request)
|
|
-struct request_info *request;
|
|
+void rfc931(rmt_sin, our_sin, dest)
|
|
+struct sockaddr_in *rmt_sin;
|
|
+struct sockaddr_in *our_sin;
|
|
+char *dest;
|
|
{
|
|
- strcpy(request->user, unknown);
|
|
+ strcpy(dest, unknown);
|
|
}
|
|
|
|
/* check_path - examine accessibility */
|
|
--- tcp-wrappers-7.6.orig/weak_symbols.c
|
|
+++ tcp-wrappers-7.6/weak_symbols.c
|
|
@@ -0,0 +1,11 @@
|
|
+ /*
|
|
+ * @(#) weak_symbols.h 1.5 99/12/29 23:50
|
|
+ *
|
|
+ * Author: Anthony Towns <ajt@debian.org>
|
|
+ */
|
|
+
|
|
+#ifdef HAVE_WEAKSYMS
|
|
+#include <syslog.h>
|
|
+int deny_severity = LOG_WARNING;
|
|
+int allow_severity = SEVERITY;
|
|
+#endif
|