|
|
@@ -0,0 +1,936 @@
|
|
|
+--- a/hosts_access.c
|
|
|
++++ b/hosts_access.c
|
|
|
+@@ -240,6 +240,26 @@ struct request_info *request;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
++/* hostfile_match - look up host patterns from file */
|
|
|
++
|
|
|
++static int hostfile_match(path, host)
|
|
|
++char *path;
|
|
|
++struct hosts_info *host;
|
|
|
++{
|
|
|
++ char tok[BUFSIZ];
|
|
|
++ int match = NO;
|
|
|
++ FILE *fp;
|
|
|
++
|
|
|
++ if ((fp = fopen(path, "r")) != 0) {
|
|
|
++ while (fscanf(fp, "%s", tok) == 1 && !(match = host_match(tok, host)))
|
|
|
++ /* void */ ;
|
|
|
++ fclose(fp);
|
|
|
++ } else if (errno != ENOENT) {
|
|
|
++ tcpd_warn("open %s: %m", path);
|
|
|
++ }
|
|
|
++ return (match);
|
|
|
++}
|
|
|
++
|
|
|
+ /* host_match - match host name and/or address against pattern */
|
|
|
+
|
|
|
+ static int host_match(tok, host)
|
|
|
+@@ -267,6 +287,8 @@ struct host_info *host;
|
|
|
+ tcpd_warn("netgroup support is disabled"); /* not tcpd_jump() */
|
|
|
+ return (NO);
|
|
|
+ #endif
|
|
|
++ } else if (tok[0] == '/') { /* /file hack */
|
|
|
++ return (hostfile_match(tok, host));
|
|
|
+ } else if (STR_EQ(tok, "KNOWN")) { /* check address and name */
|
|
|
+ char *name = eval_hostname(host);
|
|
|
+ return (STR_NE(eval_hostaddr(host), unknown) && HOSTNAME_KNOWN(name));
|
|
|
+--- a/tcpd.h
|
|
|
++++ b/tcpd.h
|
|
|
+@@ -4,6 +4,25 @@
|
|
|
+ * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
|
|
|
+ */
|
|
|
+
|
|
|
++#ifndef _TCPWRAPPERS_TCPD_H
|
|
|
++#define _TCPWRAPPERS_TCPD_H
|
|
|
++
|
|
|
++/* someone else may have defined this */
|
|
|
++#undef __P
|
|
|
++
|
|
|
++/* use prototypes if we have an ANSI C compiler or are using C++ */
|
|
|
++#if defined(__STDC__) || defined(__cplusplus)
|
|
|
++#define __P(args) args
|
|
|
++#else
|
|
|
++#define __P(args) ()
|
|
|
++#endif
|
|
|
++
|
|
|
++/* Need definitions of struct sockaddr_in and FILE. */
|
|
|
++#include <netinet/in.h>
|
|
|
++#include <stdio.h>
|
|
|
++
|
|
|
++__BEGIN_DECLS
|
|
|
++
|
|
|
+ /* Structure to describe one communications endpoint. */
|
|
|
+
|
|
|
+ #define STRING_LENGTH 128 /* hosts, users, processes */
|
|
|
+@@ -25,10 +44,10 @@ struct request_info {
|
|
|
+ char pid[10]; /* access via eval_pid(request) */
|
|
|
+ struct host_info client[1]; /* client endpoint info */
|
|
|
+ struct host_info server[1]; /* server endpoint info */
|
|
|
+- void (*sink) (); /* datagram sink function or 0 */
|
|
|
+- void (*hostname) (); /* address to printable hostname */
|
|
|
+- void (*hostaddr) (); /* address to printable address */
|
|
|
+- void (*cleanup) (); /* cleanup function or 0 */
|
|
|
++ void (*sink) __P((int)); /* datagram sink function or 0 */
|
|
|
++ void (*hostname) __P((struct host_info *)); /* address to printable hostname */
|
|
|
++ void (*hostaddr) __P((struct host_info *)); /* address to printable address */
|
|
|
++ void (*cleanup) __P((struct request_info *)); /* cleanup function or 0 */
|
|
|
+ struct netconfig *config; /* netdir handle */
|
|
|
+ };
|
|
|
+
|
|
|
+@@ -61,25 +80,30 @@ extern char paranoid[];
|
|
|
+ /* Global functions. */
|
|
|
+
|
|
|
+ #if defined(TLI) || defined(PTX) || defined(TLI_SEQUENT)
|
|
|
+-extern void fromhost(); /* get/validate client host info */
|
|
|
++extern void fromhost __P((struct request_info *)); /* get/validate client host info */
|
|
|
+ #else
|
|
|
+ #define fromhost sock_host /* no TLI support needed */
|
|
|
+ #endif
|
|
|
+
|
|
|
+-extern int hosts_access(); /* access control */
|
|
|
+-extern void shell_cmd(); /* execute shell command */
|
|
|
+-extern char *percent_x(); /* do %<char> expansion */
|
|
|
+-extern void rfc931(); /* client name from RFC 931 daemon */
|
|
|
+-extern void clean_exit(); /* clean up and exit */
|
|
|
+-extern void refuse(); /* clean up and exit */
|
|
|
+-extern char *xgets(); /* fgets() on steroids */
|
|
|
+-extern char *split_at(); /* strchr() and split */
|
|
|
+-extern unsigned long dot_quad_addr(); /* restricted inet_addr() */
|
|
|
++extern void shell_cmd __P((char *)); /* execute shell command */
|
|
|
++extern char *percent_x __P((char *, int, char *, struct request_info *)); /* do %<char> expansion */
|
|
|
++extern void rfc931 __P((struct sockaddr_in *, struct sockaddr_in *, char *)); /* client name from RFC 931 daemon */
|
|
|
++extern void clean_exit __P((struct request_info *)); /* clean up and exit */
|
|
|
++extern void refuse __P((struct request_info *)); /* clean up and exit */
|
|
|
++extern char *xgets __P((char *, int, FILE *)); /* fgets() on steroids */
|
|
|
++extern char *split_at __P((char *, int)); /* strchr() and split */
|
|
|
++extern unsigned long dot_quad_addr __P((char *)); /* restricted inet_addr() */
|
|
|
+
|
|
|
+ /* Global variables. */
|
|
|
+
|
|
|
++#ifdef HAVE_WEAKSYMS
|
|
|
++extern int allow_severity __attribute__ ((weak)); /* for connection logging */
|
|
|
++extern int deny_severity __attribute__ ((weak)); /* for connection logging */
|
|
|
++#else
|
|
|
+ extern int allow_severity; /* for connection logging */
|
|
|
+ extern int deny_severity; /* for connection logging */
|
|
|
++#endif
|
|
|
++
|
|
|
+ extern char *hosts_allow_table; /* for verification mode redirection */
|
|
|
+ extern char *hosts_deny_table; /* for verification mode redirection */
|
|
|
+ extern int hosts_access_verbose; /* for verbose matching mode */
|
|
|
+@@ -92,9 +116,14 @@ extern int resident; /* > 0 if residen
|
|
|
+ */
|
|
|
+
|
|
|
+ #ifdef __STDC__
|
|
|
++extern int hosts_access(struct request_info *request);
|
|
|
++extern int hosts_ctl(char *daemon, char *client_name, char *client_addr,
|
|
|
++ char *client_user);
|
|
|
+ extern struct request_info *request_init(struct request_info *,...);
|
|
|
+ extern struct request_info *request_set(struct request_info *,...);
|
|
|
+ #else
|
|
|
++extern int hosts_access();
|
|
|
++extern int hosts_ctl();
|
|
|
+ extern struct request_info *request_init(); /* initialize request */
|
|
|
+ extern struct request_info *request_set(); /* update request structure */
|
|
|
+ #endif
|
|
|
+@@ -117,27 +146,31 @@ extern struct request_info *request_set(
|
|
|
+ * host_info structures serve as caches for the lookup results.
|
|
|
+ */
|
|
|
+
|
|
|
+-extern char *eval_user(); /* client user */
|
|
|
+-extern char *eval_hostname(); /* printable hostname */
|
|
|
+-extern char *eval_hostaddr(); /* printable host address */
|
|
|
+-extern char *eval_hostinfo(); /* host name or address */
|
|
|
+-extern char *eval_client(); /* whatever is available */
|
|
|
+-extern char *eval_server(); /* whatever is available */
|
|
|
++extern char *eval_user __P((struct request_info *)); /* client user */
|
|
|
++extern char *eval_hostname __P((struct host_info *)); /* printable hostname */
|
|
|
++extern char *eval_hostaddr __P((struct host_info *)); /* printable host address */
|
|
|
++extern char *eval_hostinfo __P((struct host_info *)); /* host name or address */
|
|
|
++extern char *eval_client __P((struct request_info *)); /* whatever is available */
|
|
|
++extern char *eval_server __P((struct request_info *)); /* whatever is available */
|
|
|
+ #define eval_daemon(r) ((r)->daemon) /* daemon process name */
|
|
|
+ #define eval_pid(r) ((r)->pid) /* process id */
|
|
|
+
|
|
|
+ /* Socket-specific methods, including DNS hostname lookups. */
|
|
|
+
|
|
|
+-extern void sock_host(); /* look up endpoint addresses */
|
|
|
+-extern void sock_hostname(); /* translate address to hostname */
|
|
|
+-extern void sock_hostaddr(); /* address to printable address */
|
|
|
++/* look up endpoint addresses */
|
|
|
++extern void sock_host __P((struct request_info *));
|
|
|
++/* translate address to hostname */
|
|
|
++extern void sock_hostname __P((struct host_info *));
|
|
|
++/* address to printable address */
|
|
|
++extern void sock_hostaddr __P((struct host_info *));
|
|
|
++
|
|
|
+ #define sock_methods(r) \
|
|
|
+ { (r)->hostname = sock_hostname; (r)->hostaddr = sock_hostaddr; }
|
|
|
+
|
|
|
+ /* The System V Transport-Level Interface (TLI) interface. */
|
|
|
+
|
|
|
+ #if defined(TLI) || defined(PTX) || defined(TLI_SEQUENT)
|
|
|
+-extern void tli_host(); /* look up endpoint addresses etc. */
|
|
|
++extern void tli_host __P((struct request_info *)); /* look up endpoint addresses etc. */
|
|
|
+ #endif
|
|
|
+
|
|
|
+ /*
|
|
|
+@@ -178,7 +211,7 @@ extern struct tcpd_context tcpd_context;
|
|
|
+ * behavior.
|
|
|
+ */
|
|
|
+
|
|
|
+-extern void process_options(); /* execute options */
|
|
|
++extern void process_options __P((char *, struct request_info *)); /* execute options */
|
|
|
+ extern int dry_run; /* verification flag */
|
|
|
+
|
|
|
+ /* Bug workarounds. */
|
|
|
+@@ -217,3 +250,7 @@ extern char *fix_strtok();
|
|
|
+ #define strtok my_strtok
|
|
|
+ extern char *my_strtok();
|
|
|
+ #endif
|
|
|
++
|
|
|
++__END_DECLS
|
|
|
++
|
|
|
++#endif /* tcpd.h */
|
|
|
+--- a/Makefile
|
|
|
++++ b/Makefile
|
|
|
+@@ -1,5 +1,10 @@
|
|
|
++GLIBC=$(shell grep -s -c __GLIBC__ /usr/include/features.h)
|
|
|
++
|
|
|
+ # @(#) Makefile 1.23 97/03/21 19:27:20
|
|
|
+
|
|
|
++# unset the HOSTNAME environment variable
|
|
|
++HOSTNAME =
|
|
|
++
|
|
|
+ what:
|
|
|
+ @echo
|
|
|
+ @echo "Usage: edit the REAL_DAEMON_DIR definition in the Makefile then:"
|
|
|
+@@ -19,7 +24,7 @@ what:
|
|
|
+ @echo " generic (most bsd-ish systems with sys5 compatibility)"
|
|
|
+ @echo " 386bsd aix alpha apollo bsdos convex-ultranet dell-gcc dgux dgux543"
|
|
|
+ @echo " dynix epix esix freebsd hpux irix4 irix5 irix6 isc iunix"
|
|
|
+- @echo " linux machten mips(untested) ncrsvr4 netbsd next osf power_unix_211"
|
|
|
++ @echo " linux gnu machten mips(untested) ncrsvr4 netbsd next osf power_unix_211"
|
|
|
+ @echo " ptx-2.x ptx-generic pyramid sco sco-nis sco-od2 sco-os5 sinix sunos4"
|
|
|
+ @echo " sunos40 sunos5 sysv4 tandem ultrix unicos7 unicos8 unixware1 unixware2"
|
|
|
+ @echo " uts215 uxp"
|
|
|
+@@ -43,8 +48,8 @@ what:
|
|
|
+ # Ultrix 4.x SunOS 4.x ConvexOS 10.x Dynix/ptx
|
|
|
+ #REAL_DAEMON_DIR=/usr/etc
|
|
|
+ #
|
|
|
+-# SysV.4 Solaris 2.x OSF AIX
|
|
|
+-#REAL_DAEMON_DIR=/usr/sbin
|
|
|
++# SysV.4 Solaris 2.x OSF AIX Linux
|
|
|
++REAL_DAEMON_DIR=/usr/sbin
|
|
|
+ #
|
|
|
+ # BSD 4.4
|
|
|
+ #REAL_DAEMON_DIR=/usr/libexec
|
|
|
+@@ -141,10 +146,21 @@ freebsd:
|
|
|
+ LIBS= RANLIB=ranlib ARFLAGS=rv AUX_OBJ= NETGROUP= TLI= \
|
|
|
+ EXTRA_CFLAGS=-DSYS_ERRLIST_DEFINED VSYSLOG= all
|
|
|
+
|
|
|
++ifneq ($(GLIBC),0)
|
|
|
++MYLIB=-lnsl
|
|
|
++endif
|
|
|
++
|
|
|
+ linux:
|
|
|
+ @make REAL_DAEMON_DIR=$(REAL_DAEMON_DIR) STYLE=$(STYLE) \
|
|
|
+- LIBS= RANLIB=ranlib ARFLAGS=rv AUX_OBJ=setenv.o \
|
|
|
+- NETGROUP= TLI= EXTRA_CFLAGS="-DBROKEN_SO_LINGER" all
|
|
|
++ LIBS=$(MYLIB) RANLIB=ranlib ARFLAGS=rv AUX_OBJ=weak_symbols.o \
|
|
|
++ NETGROUP=-DNETGROUP TLI= VSYSLOG= BUGS= all \
|
|
|
++ EXTRA_CFLAGS="-DSYS_ERRLIST_DEFINED -DHAVE_WEAKSYMS -D_REENTRANT"
|
|
|
++
|
|
|
++gnu:
|
|
|
++ @make REAL_DAEMON_DIR=$(REAL_DAEMON_DIR) STYLE=$(STYLE) \
|
|
|
++ LIBS=$(MYLIB) RANLIB=ranlib ARFLAGS=rv AUX_OBJ=weak_symbols.o \
|
|
|
++ NETGROUP=-DNETGROUP TLI= VSYSLOG= BUGS= all \
|
|
|
++ EXTRA_CFLAGS="-DHAVE_STRERROR -DHAVE_WEAKSYMS -D_REENTRANT"
|
|
|
+
|
|
|
+ # This is good for many SYSV+BSD hybrids with NIS, probably also for HP-UX 7.x.
|
|
|
+ hpux hpux8 hpux9 hpux10:
|
|
|
+@@ -391,7 +407,7 @@ AR = ar
|
|
|
+ # the ones provided with this source distribution. The environ.c module
|
|
|
+ # implements setenv(), getenv(), and putenv().
|
|
|
+
|
|
|
+-AUX_OBJ= setenv.o
|
|
|
++#AUX_OBJ= setenv.o
|
|
|
+ #AUX_OBJ= environ.o
|
|
|
+ #AUX_OBJ= environ.o strcasecmp.o
|
|
|
+
|
|
|
+@@ -454,7 +470,8 @@ AUX_OBJ= setenv.o
|
|
|
+ # host name aliases. Compile with -DSOLARIS_24_GETHOSTBYNAME_BUG to work
|
|
|
+ # around this. The workaround does no harm on other Solaris versions.
|
|
|
+
|
|
|
+-BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS -DLIBC_CALLS_STRTOK
|
|
|
++BUGS =
|
|
|
++#BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS -DLIBC_CALLS_STRTOK
|
|
|
+ #BUGS = -DGETPEERNAME_BUG -DBROKEN_FGETS -DINET_ADDR_BUG
|
|
|
+ #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
|
