tcp_wrappers: moved to github
git-svn-id: svn://svn.openwrt.org/openwrt/packages@41423 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
parent
8c74ba1fa4
commit
98f7f67725
@ -1,64 +0,0 @@
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#
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# Copyright (C) 2006 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=tcp_wrappers
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PKG_VERSION:=7.6
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PKG_RELEASE:=1
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PKG_SOURCE:=$(PKG_NAME)_$(PKG_VERSION).tar.gz
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PKG_SOURCE_URL:=ftp://ftp.porcupine.org/pub/security
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PKG_MD5SUM:=e6fa25f71226d090f34de3f6b122fb5a
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PKG_LICENSE:=BSD
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PKG_LICENE_FILES:=DISCLAIMER
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PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)_$(PKG_VERSION)
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include $(INCLUDE_DIR)/package.mk
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define Package/libwrap
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SECTION:=libs
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CATEGORY:=Libraries
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TITLE:=Security wrapper library for TCP services
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URL:=ftp://ftp.porcupine.org/pub/security/index.html
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endef
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TARGET_CFLAGS += $(FPIC)
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define Build/Compile
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$(MAKE) -C $(PKG_BUILD_DIR) \
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$(TARGET_CONFIGURE_OPTS) \
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OPT_CFLAGS="$(TARGET_CFLAGS)" \
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LIBS=-lnsl \
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NETGROUP= \
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VSYSLOG= \
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BUGS= \
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EXTRA_CFLAGS="-DSYS_ERRLIST_DEFINED -DHAVE_STRERROR -DHAVE_WEAKSYMS -D_REENTRANT -DINET6=1 \
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-Dss_family=__ss_family -Dss_len=__ss_len" \
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FACILITY=LOG_DAEMON \
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SEVERITY=LOG_INFO \
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REAL_DAEMON_DIR=/usr/sbin \
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STYLE="-DPROCESS_OPTIONS" \
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tidy all
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endef
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define Build/InstallDev
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$(INSTALL_DIR) $(1)/usr/include
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$(CP) $(PKG_BUILD_DIR)/tcpd.h $(1)/usr/include/
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$(INSTALL_DIR) $(1)/usr/lib
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$(CP) $(PKG_BUILD_DIR)/libwrap.a $(1)/usr/lib/
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$(CP) $(PKG_BUILD_DIR)/shared/libwrap.so* $(1)/usr/lib/
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endef
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define Package/libwrap/install
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$(INSTALL_DIR) $(1)/usr/lib
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$(CP) $(PKG_BUILD_DIR)/shared/libwrap.so.* $(1)/usr/lib/
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endef
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$(eval $(call BuildPackage,libwrap))
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@ -1,936 +0,0 @@
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--- a/hosts_access.c
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+++ b/hosts_access.c
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@@ -240,6 +240,26 @@ struct request_info *request;
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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 @@ struct host_info *host;
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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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--- a/tcpd.h
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+++ b/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 @@ struct request_info {
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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 @@ extern char paranoid[];
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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 @@ extern int resident; /* > 0 if residen
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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 @@ extern struct request_info *request_set(
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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 @@ extern struct tcpd_context tcpd_context;
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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 @@ extern char *fix_strtok();
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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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--- a/Makefile
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+++ b/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 @@ what:
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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 @@ what:
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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 @@ freebsd:
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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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||||||
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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 @@ AR = ar
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|
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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 @@ AUX_OBJ= setenv.o
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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 =
|
|
||||||
+#BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS -DLIBC_CALLS_STRTOK
|
|
||||||
#BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS -DINET_ADDR_BUG
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|
||||||
#BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS -DSOLARIS_24_GETHOSTBYNAME_BUG
|
|
||||||
|
|
||||||
@@ -464,7 +481,7 @@ BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS
|
|
||||||
# If your system supports NIS or YP-style netgroups, enable the following
|
|
||||||
# macro definition. Netgroups are used only for host access control.
|
|
||||||
#
|
|
||||||
-#NETGROUP= -DNETGROUP
|
|
||||||
+NETGROUP= -DNETGROUP
|
|
||||||
|
|
||||||
###############################################################
|
|
||||||
# System dependencies: whether or not your system has vsyslog()
|
|
||||||
@@ -491,7 +508,7 @@ VSYSLOG = -Dvsyslog=myvsyslog
|
|
||||||
# Uncomment the next definition to turn on the language extensions
|
|
||||||
# (examples: allow, deny, banners, twist and spawn).
|
|
||||||
#
|
|
||||||
-#STYLE = -DPROCESS_OPTIONS # Enable language extensions.
|
|
||||||
+STYLE = -DPROCESS_OPTIONS # Enable language extensions.
|
|
||||||
|
|
||||||
################################################################
|
|
||||||
# Optional: Changing the default disposition of logfile records
|
|
||||||
@@ -514,7 +531,7 @@ VSYSLOG = -Dvsyslog=myvsyslog
|
|
||||||
#
|
|
||||||
# The LOG_XXX names below are taken from the /usr/include/syslog.h file.
|
|
||||||
|
|
||||||
-FACILITY= LOG_MAIL # LOG_MAIL is what most sendmail daemons use
|
|
||||||
+FACILITY= LOG_DAEMON # LOG_MAIL is what most sendmail daemons use
|
|
||||||
|
|
||||||
# The syslog priority at which successful connections are logged.
|
|
||||||
|
|
||||||
@@ -610,7 +627,7 @@ TABLES = -DHOSTS_DENY=\"/etc/hosts.deny\
|
|
||||||
# Paranoid mode implies hostname lookup. In order to disable hostname
|
|
||||||
# lookups altogether, see the next section.
|
|
||||||
|
|
||||||
-PARANOID= -DPARANOID
|
|
||||||
+#PARANOID= -DPARANOID
|
|
||||||
|
|
||||||
########################################
|
|
||||||
# Optional: turning off hostname lookups
|
|
||||||
@@ -623,7 +640,7 @@ PARANOID= -DPARANOID
|
|
||||||
# In order to perform selective hostname lookups, disable paranoid
|
|
||||||
# mode (see previous section) and comment out the following definition.
|
|
||||||
|
|
||||||
-HOSTNAME= -DALWAYS_HOSTNAME
|
|
||||||
+#HOSTNAME= -DALWAYS_HOSTNAME
|
|
||||||
|
|
||||||
#############################################
|
|
||||||
# Optional: Turning on host ADDRESS checking
|
|
||||||
@@ -649,28 +666,46 @@ HOSTNAME= -DALWAYS_HOSTNAME
|
|
||||||
# source-routed traffic in the kernel. Examples: 4.4BSD derivatives,
|
|
||||||
# Solaris 2.x, and Linux. See your system documentation for details.
|
|
||||||
#
|
|
||||||
-# KILL_OPT= -DKILL_IP_OPTIONS
|
|
||||||
+KILL_OPT= -DKILL_IP_OPTIONS
|
|
||||||
|
|
||||||
## End configuration options
|
|
||||||
############################
|
|
||||||
|
|
||||||
# Protection against weird shells or weird make programs.
|
|
||||||
|
|
||||||
+CC = gcc
|
|
||||||
SHELL = /bin/sh
|
|
||||||
-.c.o:; $(CC) $(CFLAGS) -c $*.c
|
|
||||||
+.c.o:; $(CC) $(CFLAGS) -o $*.o -c $*.c
|
|
||||||
+
|
|
||||||
+SOMAJOR = 0
|
|
||||||
+SOMINOR = 7.6
|
|
||||||
+
|
|
||||||
+LIB = libwrap.a
|
|
||||||
+SHLIB = shared/libwrap.so.$(SOMAJOR).$(SOMINOR)
|
|
||||||
+SHLIBSOMAJ= shared/libwrap.so.$(SOMAJOR)
|
|
||||||
+SHLIBSO = shared/libwrap.so
|
|
||||||
+SHLIBFLAGS = -Lshared -lwrap
|
|
||||||
|
|
||||||
-CFLAGS = -O -DFACILITY=$(FACILITY) $(ACCESS) $(PARANOID) $(NETGROUP) \
|
|
||||||
+shared/%.o: %.c
|
|
||||||
+ $(CC) $(CFLAGS) $(SHCFLAGS) -c $< -o $@
|
|
||||||
+
|
|
||||||
+CFLAGS = -O2 -g -DFACILITY=$(FACILITY) $(ACCESS) $(PARANOID) $(NETGROUP) \
|
|
||||||
$(BUGS) $(SYSTYPE) $(AUTH) $(UMASK) \
|
|
||||||
-DREAL_DAEMON_DIR=\"$(REAL_DAEMON_DIR)\" $(STYLE) $(KILL_OPT) \
|
|
||||||
-DSEVERITY=$(SEVERITY) -DRFC931_TIMEOUT=$(RFC931_TIMEOUT) \
|
|
||||||
$(UCHAR) $(TABLES) $(STRINGS) $(TLI) $(EXTRA_CFLAGS) $(DOT) \
|
|
||||||
$(VSYSLOG) $(HOSTNAME)
|
|
||||||
|
|
||||||
+SHLINKFLAGS = -shared -Xlinker -soname -Xlinker libwrap.so.$(SOMAJOR) -lc $(LIBS)
|
|
||||||
+SHCFLAGS = -fPIC -shared -D_REENTRANT
|
|
||||||
+
|
|
||||||
LIB_OBJ= hosts_access.o options.o shell_cmd.o rfc931.o eval.o \
|
|
||||||
hosts_ctl.o refuse.o percent_x.o clean_exit.o $(AUX_OBJ) \
|
|
||||||
$(FROM_OBJ) fix_options.o socket.o tli.o workarounds.o \
|
|
||||||
update.o misc.o diag.o percent_m.o myvsyslog.o
|
|
||||||
|
|
||||||
+SHLIB_OBJ= $(addprefix shared/, $(LIB_OBJ));
|
|
||||||
+
|
|
||||||
FROM_OBJ= fromhost.o
|
|
||||||
|
|
||||||
KIT = README miscd.c tcpd.c fromhost.c hosts_access.c shell_cmd.c \
|
|
||||||
@@ -684,46 +719,78 @@ KIT = README miscd.c tcpd.c fromhost.c h
|
|
||||||
refuse.c tcpdchk.8 setenv.c inetcf.c inetcf.h scaffold.c \
|
|
||||||
scaffold.h tcpdmatch.8 README.NIS
|
|
||||||
|
|
||||||
-LIB = libwrap.a
|
|
||||||
-
|
|
||||||
-all other: config-check tcpd tcpdmatch try-from safe_finger tcpdchk
|
|
||||||
+all other: config-check tcpd tcpdmatch try-from safe_finger tcpdchk $(LIB)
|
|
||||||
|
|
||||||
# Invalidate all object files when the compiler options (CFLAGS) have changed.
|
|
||||||
|
|
||||||
config-check:
|
|
||||||
@set +e; test -n "$(REAL_DAEMON_DIR)" || { make; exit 1; }
|
|
||||||
- @set +e; echo $(CFLAGS) >/tmp/cflags.$$$$ ; \
|
|
||||||
- if cmp cflags /tmp/cflags.$$$$ ; \
|
|
||||||
- then rm /tmp/cflags.$$$$ ; \
|
|
||||||
- else mv /tmp/cflags.$$$$ cflags ; \
|
|
||||||
+ @set +e; echo $(CFLAGS) >cflags.new ; \
|
|
||||||
+ if cmp cflags cflags.new ; \
|
|
||||||
+ then rm cflags.new ; \
|
|
||||||
+ else mv cflags.new cflags ; \
|
|
||||||
fi >/dev/null 2>/dev/null
|
|
||||||
+ @if [ ! -d shared ]; then mkdir shared; fi
|
|
||||||
|
|
||||||
$(LIB): $(LIB_OBJ)
|
|
||||||
rm -f $(LIB)
|
|
||||||
$(AR) $(ARFLAGS) $(LIB) $(LIB_OBJ)
|
|
||||||
-$(RANLIB) $(LIB)
|
|
||||||
|
|
||||||
-tcpd: tcpd.o $(LIB)
|
|
||||||
- $(CC) $(CFLAGS) -o $@ tcpd.o $(LIB) $(LIBS)
|
|
||||||
+$(SHLIB): $(SHLIB_OBJ)
|
|
||||||
+ rm -f $(SHLIB)
|
|
||||||
+ $(CC) -o $(SHLIB) $(SHLINKFLAGS) $(SHLIB_OBJ)
|
|
||||||
+ ln -s $(notdir $(SHLIB)) $(SHLIBSOMAJ)
|
|
||||||
+ ln -s $(notdir $(SHLIBSOMAJ)) $(SHLIBSO)
|
|
||||||
+
|
|
||||||
+tcpd: tcpd.o $(SHLIB)
|
|
||||||
+ $(CC) $(CFLAGS) -o $@ tcpd.o $(SHLIBFLAGS)
|
|
||||||
|
|
||||||
-miscd: miscd.o $(LIB)
|
|
||||||
- $(CC) $(CFLAGS) -o $@ miscd.o $(LIB) $(LIBS)
|
|
||||||
+miscd: miscd.o $(SHLIB)
|
|
||||||
+ $(CC) $(CFLAGS) -o $@ miscd.o $(SHLIBFLAGS)
|
|
||||||
|
|
||||||
-safe_finger: safe_finger.o $(LIB)
|
|
||||||
- $(CC) $(CFLAGS) -o $@ safe_finger.o $(LIB) $(LIBS)
|
|
||||||
+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 @@ archive:
|
|
||||||
|
|
||||||
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: cflags
|
|
||||||
update.o: mystdarg.h
|
|
||||||
update.o: tcpd.h
|
|
||||||
vfprintf.o: cflags
|
|
||||||
+weak_symbols.o: tcpd.h
|
|
||||||
workarounds.o: cflags
|
|
||||||
workarounds.o: tcpd.h
|
|
||||||
--- a/hosts_access.5
|
|
||||||
+++ b/hosts_access.5
|
|
||||||
@@ -8,9 +8,9 @@ name, host name/address) patterns. Exam
|
|
||||||
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 @@ A newline character is ignored when it i
|
|
||||||
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 @@ checks are case insensitive.
|
|
||||||
.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 @@ without -DPARANOID when you want more co
|
|
||||||
.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 @@ depending on how much information is ava
|
|
||||||
.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 @@ A positive IDENT lookup result (the clie
|
|
||||||
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 @@ ALL: LOCAL @some_netgroup
|
|
||||||
.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 @@ in.tftpd: LOCAL, .my.domain
|
|
||||||
/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 @@ control rule; when the length of an acce
|
|
||||||
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
|
|
||||||
--- a/rfc931.c
|
|
||||||
+++ b/rfc931.c
|
|
||||||
@@ -33,7 +33,7 @@ static char sccsid[] = "@(#) rfc931.c 1.
|
|
||||||
|
|
||||||
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 @@ int protocol;
|
|
||||||
static void timeout(sig)
|
|
||||||
int sig;
|
|
||||||
{
|
|
||||||
- longjmp(timebuf, sig);
|
|
||||||
+ siglongjmp(timebuf, sig);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* rfc931 - return remote user name, given socket structures */
|
|
||||||
@@ -99,7 +99,7 @@ char *dest;
|
|
||||||
* 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);
|
|
||||||
|
|
||||||
--- a/tcpd.8
|
|
||||||
+++ b/tcpd.8
|
|
||||||
@@ -94,7 +94,7 @@ configuration files.
|
|
||||||
.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 @@ finger stream tcp nowait nobody /us
|
|
||||||
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
|
|
||||||
--- a/hosts_access.3
|
|
||||||
+++ b/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;
|
|
||||||
--- a/options.c
|
|
||||||
+++ b/options.c
|
|
||||||
@@ -473,6 +473,9 @@ static struct syslog_names log_fac[] = {
|
|
||||||
#ifdef LOG_CRON
|
|
||||||
"cron", LOG_CRON,
|
|
||||||
#endif
|
|
||||||
+#ifdef LOG_FTP
|
|
||||||
+ "ftp", LOG_FTP,
|
|
||||||
+#endif
|
|
||||||
#ifdef LOG_LOCAL0
|
|
||||||
"local0", LOG_LOCAL0,
|
|
||||||
#endif
|
|
||||||
--- a/fix_options.c
|
|
||||||
+++ b/fix_options.c
|
|
||||||
@@ -35,7 +35,12 @@ struct request_info *request;
|
|
||||||
#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;
|
|
||||||
--- a/workarounds.c
|
|
||||||
+++ b/workarounds.c
|
|
||||||
@@ -163,7 +163,11 @@ int *fromlen;
|
|
||||||
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;
|
|
||||||
--- a/socket.c
|
|
||||||
+++ b/socket.c
|
|
||||||
@@ -76,7 +76,11 @@ struct request_info *request;
|
|
||||||
{
|
|
||||||
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 @@ int fd;
|
|
||||||
{
|
|
||||||
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
|
|
||||||
--- a/safe_finger.c
|
|
||||||
+++ b/safe_finger.c
|
|
||||||
@@ -26,21 +26,24 @@ static char sccsid[] = "@(#) safe_finger
|
|
||||||
#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;
|
|
||||||
--- a/hosts_options.5
|
|
||||||
+++ b/hosts_options.5
|
|
||||||
@@ -58,12 +58,12 @@ Notice the leading dot on the domain nam
|
|
||||||
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
|
|
||||||
--- a/tcpdchk.c
|
|
||||||
+++ b/tcpdchk.c
|
|
||||||
@@ -350,6 +350,8 @@ char *pat;
|
|
||||||
{
|
|
||||||
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 @@ char *pat;
|
|
||||||
{
|
|
||||||
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 @@ char *pat;
|
|
||||||
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 @@ char *pat;
|
|
||||||
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)
|
|
||||||
--- a/percent_m.c
|
|
||||||
+++ b/percent_m.c
|
|
||||||
@@ -13,7 +13,7 @@ static char sccsid[] = "@(#) percent_m.c
|
|
||||||
#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 @@ char *ibuf;
|
|
||||||
|
|
||||||
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 {
|
|
||||||
--- a/scaffold.c
|
|
||||||
+++ b/scaffold.c
|
|
||||||
@@ -180,10 +180,12 @@ struct request_info *request;
|
|
||||||
|
|
||||||
/* 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 */
|
|
||||||
--- /dev/null
|
|
||||||
+++ b/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
|
|
@ -1,12 +0,0 @@
|
|||||||
--- a/Makefile
|
|
||||||
+++ b/Makefile
|
|
||||||
@@ -689,7 +689,8 @@ SHLIBFLAGS = -Lshared -lwrap
|
|
||||||
shared/%.o: %.c
|
|
||||||
$(CC) $(CFLAGS) $(SHCFLAGS) -c $< -o $@
|
|
||||||
|
|
||||||
-CFLAGS = -O2 -g -DFACILITY=$(FACILITY) $(ACCESS) $(PARANOID) $(NETGROUP) \
|
|
||||||
+OPT_CFLAGS = -O2 -g
|
|
||||||
+CFLAGS = $(OPT_CFLAGS) -DFACILITY=$(FACILITY) $(ACCESS) $(PARANOID) $(NETGROUP) \
|
|
||||||
$(BUGS) $(SYSTYPE) $(AUTH) $(UMASK) \
|
|
||||||
-DREAL_DAEMON_DIR=\"$(REAL_DAEMON_DIR)\" $(STYLE) $(KILL_OPT) \
|
|
||||||
-DSEVERITY=$(SEVERITY) -DRFC931_TIMEOUT=$(RFC931_TIMEOUT) \
|
|
@ -1,17 +0,0 @@
|
|||||||
--- a/scaffold.c
|
|
||||||
+++ b/scaffold.c
|
|
||||||
@@ -20,13 +20,12 @@ static char sccs_id[] = "@(#) scaffold.c
|
|
||||||
#include <syslog.h>
|
|
||||||
#include <setjmp.h>
|
|
||||||
#include <string.h>
|
|
||||||
+#include <stdlib.h>
|
|
||||||
|
|
||||||
#ifndef INADDR_NONE
|
|
||||||
#define INADDR_NONE (-1) /* XXX should be 0xffffffff */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
-extern char *malloc();
|
|
||||||
-
|
|
||||||
/* Application-specific. */
|
|
||||||
|
|
||||||
#include "tcpd.h"
|
|
@ -1,72 +0,0 @@
|
|||||||
--- a/hosts_access.5
|
|
||||||
+++ b/hosts_access.5
|
|
||||||
@@ -90,6 +90,9 @@ bitwise AND of the address and the `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
|
|
||||||
+An expression of the form `n.n.n.n/m\' is interpreted as a
|
|
||||||
+`net/prefixlen\' pair, as below, for IPv4 addresses.
|
|
||||||
+.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
|
|
||||||
--- a/tcpd.h
|
|
||||||
+++ b/tcpd.h
|
|
||||||
@@ -93,6 +93,7 @@ extern void refuse __P((struct request_i
|
|
||||||
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() */
|
|
||||||
+extern unsigned long prefix_to_netmask __P((char *)); /* 0-32 prefix length */
|
|
||||||
|
|
||||||
/* Global variables. */
|
|
||||||
|
|
||||||
--- a/misc.c
|
|
||||||
+++ b/misc.c
|
|
||||||
@@ -14,6 +14,8 @@ static char sccsic[] = "@(#) misc.c 1.2
|
|
||||||
#include <arpa/inet.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <string.h>
|
|
||||||
+#include <ctype.h>
|
|
||||||
+#include <stdlib.h>
|
|
||||||
|
|
||||||
#include "tcpd.h"
|
|
||||||
|
|
||||||
@@ -85,3 +87,22 @@ char *str;
|
|
||||||
}
|
|
||||||
return (runs == 4 ? inet_addr(str) : INADDR_NONE);
|
|
||||||
}
|
|
||||||
+
|
|
||||||
+/* prefix_to_netmask - convert prefix (0-32) to netmask */
|
|
||||||
+
|
|
||||||
+unsigned long prefix_to_netmask(str)
|
|
||||||
+char *str;
|
|
||||||
+{
|
|
||||||
+ unsigned long prefix;
|
|
||||||
+ char *endptr;
|
|
||||||
+
|
|
||||||
+ if (!isdigit(str[0]))
|
|
||||||
+ return INADDR_NONE;
|
|
||||||
+
|
|
||||||
+ prefix = strtoul(str, &endptr, 10);
|
|
||||||
+ if ((endptr == str) || (*endptr != '\0') || (prefix > 32))
|
|
||||||
+ return INADDR_NONE;
|
|
||||||
+
|
|
||||||
+ return htonl(~0UL << (32 - prefix));
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
--- a/hosts_access.c
|
|
||||||
+++ b/hosts_access.c
|
|
||||||
@@ -345,7 +345,12 @@ char *string;
|
|
||||||
if ((addr = dot_quad_addr(string)) == INADDR_NONE)
|
|
||||||
return (NO);
|
|
||||||
if ((net = dot_quad_addr(net_tok)) == INADDR_NONE
|
|
||||||
- || (mask = dot_quad_addr(mask_tok)) == INADDR_NONE) {
|
|
||||||
+ || ((mask = dot_quad_addr(mask_tok)) == INADDR_NONE
|
|
||||||
+ && strcmp(mask_tok, "255.255.255.255")
|
|
||||||
+ && (mask = prefix_to_netmask(mask_tok)) == INADDR_NONE
|
|
||||||
+ && strcmp(mask_tok, "32"))) {
|
|
||||||
+ /* 255.255.255.255 == INADDR_NONE, separate check needed. TJ. */
|
|
||||||
+ /* 32 == INADDR_NONE, separate check needed. philipp */
|
|
||||||
tcpd_warn("bad net/mask expression: %s/%s", net_tok, mask_tok);
|
|
||||||
return (NO); /* not tcpd_jump() */
|
|
||||||
}
|
|
Loading…
x
Reference in New Issue
Block a user