added test SETSOCKOPT_INT; some corrections on generic ioctl and setsockopt features

test.sh

@@ -8450,7 +8450,7 @@ N=$((N+1))
 # test the generic ioctl-void option
 NAME=IOCTL_VOID
 case "$TESTS" in
-*%functions%*|*%ip4%*|*%udp%*|*%dgram%*|*%$NAME%*)
+*%functions%*|*%pty%*|*%generic%*|*%$NAME%*)
 TEST="$NAME: test the ioctl-void option"
 # there are not many ioctls that apply to non global resources and do not
 # require root. TIOCEXCL seems to fit:
@@ -8459,7 +8459,7 @@ TEST="$NAME: test the ioctl-void option"
 # process 2 opens it too and fails with "device or resource busy" only when the
 # previous ioctl was successful
 if [ "$UNAME" != Linux ]; then
-    # we need access to more loopback addresses
+    # we use the numeric value of TIOCEXL which is system dependent
     $PRINTF "test $F_n $TEST... ${YELLOW}only on Linux${NORMAL}\n" $N
     numCANT=$((numCANT+1))
 else
@@ -8482,7 +8482,7 @@ $CMD2 >/dev/null 2>"${te}2" </dev/null
 rc2=$?
 kill $pid0 $pid1 2>/dev/null; wait
 if ! echo "$da" |diff - "$tf"; then
-    $PRINTF "${YELLOW}phase 1 failed{NORMAL}\n"
+    $PRINTF "${YELLOW}phase 1 failed${NORMAL}\n"
     echo "$CMD0 &"
     echo "$CMD1"
     numCANT=$((numCANT+1))
@@ -8501,6 +8501,76 @@ fi
 fi # !Linux
  ;;
 esac
+N=$((N+1))
+
+
+# test the generic setsockopt-int option
+NAME=SETSOCKOPT_INT
+case "$TESTS" in
+*%functions%*|*%ip4%*|*%tcp%*|*%generic%*|*%$NAME%*)
+TEST="$NAME: test the setsockopt-int option"
+# there are not many socket options that apply to non global resources, do not
+# require root, do not require a network connection, and can easily be
+# tested. SO_REUSEADDR seems to fit:
+# process 0 provides a tcp listening socket with reuseaddr;
+# process 1 connects to this port; thus the port is connected but no longer
+# listening
+# process 2 tries to listen on this port with SO_REUSEADDR, will fail if the
+# (generically specified) SO_REUSEADDR socket options did not work
+# process 3 connects to this port; only if it is successful the test is ok
+if [ "$UNAME" != Linux ]; then
+    # we use the numeric value of SO_REUSEADDR which might be system dependent
+    $PRINTF "test $F_n $TEST... ${YELLOW}only on Linux${NORMAL}\n" $N
+    numCANT=$((numCANT+1))
+else
+tp="$PORT"
+tf="$td/test$N.stdout"
+te="$td/test$N.stderr"
+tdiff="$td/test$N.diff"
+da="$(date)"
+# level=SOL_SOCKET=1, optname=SO_REUSEADDR=2, value=1
+CMD0="$SOCAT $opts TCP4-L:$tp,setsockopt-int=1:2:1 PIPE"
+CMD1="$SOCAT $opts - TCP:localhost:$tp"
+CMD2="$CMD0"
+CMD3="$CMD1"
+printf "test $F_n $TEST... " $N
+$CMD0 >/dev/null 2>"${te}0" &
+pid0=$!
+waittcp4port $tp 1
+(echo "$da"; sleep 3) |$CMD1 >"$tf" 2>"${te}1" &	# this should always work
+pid1=$!
+usleep 1000000
+$CMD2 >/dev/null 2>"${te}2" &
+pid2=$!
+waittcp4port $tp 1
+(echo "$da") |$CMD3 >"${tf}3" 2>"${te}3"
+rc3=$?
+kill $pid0 $pid1 $pid2 2>/dev/null; wait
+if ! echo "$da" |diff - "$tf"; then
+    $PRINTF "${YELLOW}phase 1 failed${NORMAL}\n"
+    echo "$CMD0 &"
+    echo "$CMD1"
+    numCANT=$((numCANT+1))
+elif [ $rc3 -ne 0 ]; then
+    $PRINTF "$FAILED: $SOCAT:\n"
+    echo "$CMD2 &"
+    echo "$CMD3"
+    cat "${te}2" "${te}3"
+    numFAIL=$((numFAIL+1))
+elif ! echo "$da" |diff - "${tf}3"; then
+    $PRINTF "$FAILED: $SOCAT:\n"
+    echo "$CMD2 &"
+    echo "$CMD3"
+    echo "$da" |diff - "${tf}3"
+    numCANT=$((numCANT+1))
+else
+    $PRINTF "$OK\n"
+    if [ -n "$debug" ]; then cat "${te}0" "${te}1" "${te}2" "${te}3"; fi
+    numOK=$((numOK+1))
+fi
+fi # !Linux
+ ;;
+esac
 PORT=$((PORT+1))
 N=$((N+1))
 

xio-fd.c

@@ -77,8 +77,8 @@ const struct optdesc opt_cool_write = { "cool-write", "coolwrite", OPT_COOL_WRIT
 const struct optdesc opt_end_close = { "end-close", "close", OPT_END_CLOSE, GROUP_FD, PH_INIT, TYPE_CONST, OFUNC_OFFSET, (bool)&((xiofile_t *)0)->stream.howtoend, END_CLOSE };
 
 /****** generic ioctl() options ******/
-const struct optdesc opt_ioctl_void   = { "ioctl-void",  "ioctl",    OPT_IOCTL_VOID,  GROUP_FD, PH_FD, TYPE_INT,       OFUNC_SPEC, 0, 0, 0 };
+const struct optdesc opt_ioctl_void   = { "ioctl-void",  "ioctl",    OPT_IOCTL_VOID,  GROUP_FD, PH_FD, TYPE_INT,       OFUNC_IOCTL_GENERIC, 0, 0, 0 };
-const struct optdesc opt_ioctl_int    = { "ioctl-int",   NULL,       OPT_IOCTL_INT,   GROUP_FD, PH_FD, TYPE_INT_INT,   OFUNC_SPEC, 0, 0, 0 };
+const struct optdesc opt_ioctl_int    = { "ioctl-int",   NULL,       OPT_IOCTL_INT,   GROUP_FD, PH_FD, TYPE_INT_INT,   OFUNC_IOCTL_GENERIC, 0, 0, 0 };
-const struct optdesc opt_ioctl_intp   = { "ioctl-intp",  NULL,       OPT_IOCTL_INTP,  GROUP_FD, PH_FD, TYPE_INT_INT,   OFUNC_SPEC, 0, 0, 0 };
+const struct optdesc opt_ioctl_intp   = { "ioctl-intp",  NULL,       OPT_IOCTL_INTP,  GROUP_FD, PH_FD, TYPE_INT_INTP,  OFUNC_IOCTL_GENERIC, 0, 0, 0 };
-const struct optdesc opt_ioctl_bin    = { "ioctl-bin",   NULL,       OPT_IOCTL_BIN,   GROUP_FD, PH_FD, TYPE_INT_BIN,   OFUNC_SPEC, 0, 0, 0 };
+const struct optdesc opt_ioctl_bin    = { "ioctl-bin",   NULL,       OPT_IOCTL_BIN,   GROUP_FD, PH_FD, TYPE_INT_BIN,   OFUNC_IOCTL_GENERIC, 0, 0, 0 };
-const struct optdesc opt_ioctl_string = { "ioctl-string",NULL,       OPT_IOCTL_STRING,GROUP_FD, PH_FD, TYPE_INT_STRING,OFUNC_SPEC, 0, 0, 0 };
+const struct optdesc opt_ioctl_string = { "ioctl-string",NULL,       OPT_IOCTL_STRING,GROUP_FD, PH_FD, TYPE_INT_STRING,OFUNC_IOCTL_GENERIC, 0, 0, 0 };

xio-socket.c

@@ -129,9 +129,9 @@ const struct optdesc opt_connect_timeout = { "connect-timeout", NULL, OPT_CONNEC
 const struct optdesc opt_protocol_family = { "protocol-family", "pf", OPT_PROTOCOL_FAMILY, GROUP_SOCKET, PH_PRESOCKET,  TYPE_STRING,  OFUNC_SPEC };
 
 /* generic setsockopt() options */
-const struct optdesc opt_setsockopt_int    = { "setsockopt-int",    "sockopt-int",    OPT_SETSOCKOPT_INT,    GROUP_SOCKET,PH_PASTSOCKET,TYPE_INT_INT_INT,    OFUNC_SPEC, 0, 0 };
+const struct optdesc opt_setsockopt_int    = { "setsockopt-int",    "sockopt-int",    OPT_SETSOCKOPT_INT,        GROUP_SOCKET,PH_PASTSOCKET,TYPE_INT_INT_INT,     OFUNC_SOCKOPT_GENERIC, 0, 0 };
-const struct optdesc opt_setsockopt_bin    = { "setsockopt-bin",    "sockopt-bin",    OPT_SETSOCKOPT_BIN,    GROUP_SOCKET,PH_PASTSOCKET,TYPE_INT_INT_BIN,    OFUNC_SPEC, 0, 0 };
+const struct optdesc opt_setsockopt_bin    = { "setsockopt-bin",    "sockopt-bin",    OPT_SETSOCKOPT_BIN,        GROUP_SOCKET,PH_PASTSOCKET,TYPE_INT_INT_BIN,     OFUNC_SOCKOPT_GENERIC, 0, 0 };
-const struct optdesc opt_setsockopt_string = { "setsockopt-string", "sockopt-string", OPT_SETSOCKOPT_STRING, GROUP_SOCKET,PH_PASTSOCKET,TYPE_INT_INT_STRING, OFUNC_SPEC, 0, 0 };
+const struct optdesc opt_setsockopt_string = { "setsockopt-string", "sockopt-string", OPT_SETSOCKOPT_STRING,     GROUP_SOCKET,PH_PASTSOCKET,TYPE_INT_INT_STRING,  OFUNC_SOCKOPT_GENERIC, 0, 0 };
 
 
 /* a subroutine that is common to all socket addresses that want to connect

xio-socket.h

@@ -1,5 +1,5 @@
 /* source: xio-socket.h */
-/* Copyright Gerhard Rieger 2001-2006 */
+/* Copyright Gerhard Rieger 2001-2008 */
 /* Published under the GNU General Public License V.2, see file COPYING */
 
 #ifndef __xio_socket_h_included

xiohelp.c

@@ -29,7 +29,8 @@ static const char *optiontypenames[] = {
 					"STRUCT-IP_MREQ",
 #endif
 							"IP4NAME",
-	"INT:INT",	"INT:BIN",	"INT:STRING",
+	"INT:INT",	"INT:INTP",	"INT:BIN",	"INT:STRING",
+	"INT:INT:INT",	"INT:INT:BIN",	"INT:INT:STRING",
 } ;
 
 

xioopts.c

@@ -1313,6 +1313,9 @@ const struct optname optionnames[] = {
 #ifdef SO_USELOOPBACK /* AIX433, Solaris */
 	IF_SOCKET ("so-useloopback",	&opt_so_useloopback)
 #endif /* SO_USELOOPBACK */
+	IF_SOCKET ("sockopt-bin",	&opt_setsockopt_bin)
+	IF_SOCKET ("sockopt-int",	&opt_setsockopt_int)
+	IF_SOCKET ("sockopt-string",	&opt_setsockopt_string)
 	IF_SOCKS4 ("socksport",	&opt_socksport)
 	IF_SOCKS4 ("socksuser",	&opt_socksuser)
 	IF_IPAPP  ("sourceport",	&opt_sourceport)
@@ -2761,6 +2764,48 @@ int applyopts(int fd, struct opt *opts, unsigned int phase) {
 	    opt->desc = ODESC_ERROR; ++opt; continue;
 	 }
 
+      } else if (opt->desc->func == OFUNC_IOCTL_GENERIC) {
+	 switch (opt->desc->type) {
+	 case TYPE_INT:
+	    if (Ioctl(fd, opt->value.u_int, NULL) < 0) {
+	       Error3("ioctl(%d, 0x%x, NULL): %s",
+		      fd, opt->value.u_int, strerror(errno));
+	       opt->desc = ODESC_ERROR; ++opt; continue;
+	    }
+	    break;
+	 case TYPE_INT_INT:
+	    if (Ioctl_int(fd, opt->value.u_int, opt->value2.u_int) < 0) {
+	       Error4("ioctl(%d, %d, %p): %s",
+		      fd, opt->value.u_int, opt->value2.u_int, strerror(errno));
+	       opt->desc = ODESC_ERROR; ++opt; continue;
+	    }
+	    break;
+	 case TYPE_INT_INTP:
+	    if (Ioctl(fd, opt->value.u_int, (void *)&opt->value2.u_int) < 0) {
+	       Error4("ioctl(%d, 0x%x, %p): %s",
+		      fd, opt->value.u_int, (void *)&opt->value2.u_int, strerror(errno));
+	       opt->desc = ODESC_ERROR; ++opt; continue;
+	    }
+	    break;
+	 case TYPE_INT_BIN:
+	    if (Ioctl(fd, opt->value.u_int, (void *)opt->value2.u_bin.b_data) < 0) {
+	       Error4("ioctl(%d, 0x%x, %p): %s",
+		      fd, opt->value.u_int, (void *)opt->value2.u_bin.b_data, strerror(errno));
+	       opt->desc = ODESC_ERROR; ++opt; continue;
+	    }
+	    break;
+	 case TYPE_INT_STRING:
+	    if (Ioctl(fd, opt->value.u_int, (void *)opt->value2.u_string) < 0) {
+	       Error4("ioctl(%d, 0x%x, %p): %s",
+		      fd, opt->value.u_int, (void *)opt->value2.u_string, strerror(errno));
+	       opt->desc = ODESC_ERROR; ++opt; continue;
+	    }
+	    break;
+	 default:
+	    Error1("ioctl() data type %d not implemented",
+		   opt->desc->type);
+	 }
+
 #if WITH_SOCKET
       } else if (opt->desc->func == OFUNC_SOCKOPT) {
 	 if (0) {
@@ -2938,6 +2983,38 @@ int applyopts(int fd, struct opt *opts, unsigned int phase) {
 		   opt->desc->defname, opt->desc->type);
 	    break;
 	 }
+      } else if (opt->desc->func == OFUNC_SOCKOPT_GENERIC) {
+	 switch (opt->desc->type) {
+	 case TYPE_INT_INT_INT:
+	    if (Setsockopt(fd, opt->value.u_int, opt->value2.u_int,
+			   &opt->value3.u_int, sizeof(int)) < 0) {
+	       Error6("setsockopt(%d, %d, %d, {%d}, "F_Zu"): %s",
+		      fd, opt->value.u_int, opt->value2.u_int,
+		      opt->value3.u_int, sizeof(int), strerror(errno));
+	    }
+	    break;
+	 case TYPE_INT_INT_BIN:
+	    if (Setsockopt(fd, opt->value.u_int, opt->value2.u_int,
+			   opt->value3.u_bin.b_data, opt->value3.u_bin.b_len) < 0) {
+	       Error5("setsockopt(%d, %d, %d, {...}, "F_Zu"): %s",
+		      fd, opt->value.u_int, opt->value2.u_int,
+		      opt->value3.u_bin.b_len, strerror(errno));
+	    }
+	    break;
+	 case TYPE_INT_INT_STRING:
+	    if (Setsockopt(fd, opt->value.u_int, opt->value2.u_int,
+			   opt->value3.u_string,
+			   strlen(opt->value3.u_string)+1) < 0) {
+	       Error6("setsockopt(%d, %d, %d, \"%s\", "F_Zu"): %s",
+		      fd, opt->value.u_int, opt->value2.u_int,
+		      opt->value3.u_string, strlen(opt->value3.u_string)+1,
+		      strerror(errno));
+	    }
+	    break;
+	 default:
+	    Error1("setsockopt() data type %d not implemented",
+		   opt->desc->type);
+	 }
 #endif /* WITH_SOCKET */
 	 
 #if HAVE_FLOCK
@@ -3156,119 +3233,7 @@ int applyopts(int fd, struct opt *opts, unsigned int phase) {
 	       }
 	    }
 	    break;
-	 case OPT_IOCTL_VOID:
+
-	    switch (opt->desc->type) {
-	    case TYPE_INT:
-	       if (Ioctl(fd, opt->value.u_int, NULL) < 0) {
-		  Error3("ioctl(%d, 0x%x, NULL): %s",
-			 fd, opt->value.u_int, strerror(errno));
-		  opt->desc = ODESC_ERROR; ++opt; continue;
-	       }
-	       break;
-	    default:
-	       Error1("ioctl() data type %d not implemented", opt->desc->type);
-	    }
-	    break;
-	 case OPT_IOCTL_INT:
-	    switch (opt->desc->type) {
-	    case TYPE_INT_INT:
-	       if (Ioctl_int(fd, opt->value.u_int, opt->value2.u_int) < 0) {
-		  Error4("ioctl(%d, %d, %p): %s",
-			 fd, opt->value.u_int, opt->value2.u_int, strerror(errno));
-		  opt->desc = ODESC_ERROR; ++opt; continue;
-	       }
-	       break;
-	    default:
-	       Error1("ioctl() data type %d not implemented", opt->desc->type);
-	    }
-	    break;
-	 case OPT_IOCTL_INTP:
-	    switch (opt->desc->type) {
-	    case TYPE_INT_INT:
-	       if (Ioctl(fd, opt->value.u_int, (void *)&opt->value2.u_int) < 0) {
-		  Error4("ioctl(%d, 0x%x, %p): %s",
-			 fd, opt->value.u_int, (void *)&opt->value2.u_int, strerror(errno));
-		  opt->desc = ODESC_ERROR; ++opt; continue;
-	       }
-	       break;
-	    default:
-	       Error1("ioctl() data type %d not implemented", opt->desc->type);
-	    }
-	    break;
-	 case OPT_IOCTL_BIN:
-	    switch (opt->desc->type) {
-	    case TYPE_INT_BIN:
-	       if (Ioctl(fd, opt->value.u_int, (void *)opt->value2.u_bin.b_data) < 0) {
-		  Error4("ioctl(%d, 0x%x, %p): %s",
-			 fd, opt->value.u_int, (void *)opt->value2.u_bin.b_data, strerror(errno));
-		  opt->desc = ODESC_ERROR; ++opt; continue;
-	       }
-	       break;
-	    default:
-	       Error1("ioctl() data type %d not implemented", opt->desc->type);
-	    }
-	    break;
-	 case OPT_IOCTL_STRING:
-	    switch (opt->desc->type) {
-	    case TYPE_INT_STRING:
-	       if (Ioctl(fd, opt->value.u_int, (void *)opt->value2.u_string) < 0) {
-		  Error4("ioctl(%d, 0x%x, %p): %s",
-			 fd, opt->value.u_int, (void *)opt->value2.u_string, strerror(errno));
-		  opt->desc = ODESC_ERROR; ++opt; continue;
-	       }
-	       break;
-	    default:
-	       Error1("ioctl() data type %d not implemented", opt->desc->type);
-	    }
-	    break;
-	 case OPT_SETSOCKOPT_INT:
-	    switch (opt->desc->type) {
-	    case TYPE_INT_INT_INT:
-	       if (Setsockopt(fd, opt->value.u_int, opt->value2.u_int,
-			      &opt->value3.u_int, sizeof(int)) < 0) {
-		  Error6("setsockopt(%d, %d, %d, {%d}, "F_Zu"): %s",
-			 fd, opt->value.u_int, opt->value2.u_int,
-			 opt->value3.u_int, sizeof(int), strerror(errno));
-	       }
-	       break;
-	    default:
-	       Error1("setsockopt() data type %d not implemented",
-		      opt->desc->type);
-	    }
-	    break;
-	 case OPT_SETSOCKOPT_BIN:
-	    switch (opt->desc->type) {
-	    case TYPE_INT_INT_BIN:
-	       if (Setsockopt(fd, opt->value.u_int, opt->value2.u_int,
-			      opt->value3.u_bin.b_data, opt->value3.u_bin.b_len) < 0) {
-		  Error5("setsockopt(%d, %d, %d, {...}, "F_Zu"): %s",
-			 fd, opt->value.u_int, opt->value2.u_int,
-			 opt->value3.u_bin.b_len, strerror(errno));
-	       }
-	       break;
-	    default:
-	       Error1("setsockopt() data type %d not implemented",
-		      opt->desc->type);
-	    }
-	    break;
-	 case OPT_SETSOCKOPT_STRING:
-	    switch (opt->desc->type) {
-	    case TYPE_INT_INT_STRING:
-	       if (Setsockopt(fd, opt->value.u_int, opt->value2.u_int,
-			      opt->value3.u_string,
-			      strlen(opt->value3.u_string)+1) < 0) {
-		  Error6("setsockopt(%d, %d, %d, \"%s\", "F_Zu"): %s",
-			 fd, opt->value.u_int, opt->value2.u_int,
-			 opt->value3.u_string, strlen(opt->value3.u_string)+1,
-			 strerror(errno));
-	       }
-	       break;
-	    default:
-	       Error1("setsockopt() data type %d not implemented",
-		      opt->desc->type);
-	    }
-	    break;
-	       
 	 default: Error1("applyopts(): option \"%s\" not implemented",
 			 opt->desc->defname);
 	    opt->desc = ODESC_ERROR; ++opt; continue;

xioopts.h

@@ -22,45 +22,53 @@ enum e_types {
    TYPE_BIN,		/* raw binary data, length determined by data */
    TYPE_BOOL,		/* value is 0 or 1 (no-value is interpreted as 1) */
    TYPE_BYTE,		/* unsigned char */
+
    TYPE_INT,		/* int */
    TYPE_LONG,		/* long */
    TYPE_STRING,		/* char * */
    TYPE_NAME = TYPE_STRING,
    TYPE_FILENAME = TYPE_STRING,
    TYPE_PTRDIFF,	/* ptrdiff_t */
+
    TYPE_SHORT,		/* short */
    TYPE_SIZE_T,		/* size_t */
    TYPE_SOCKADDR,	/* struct sockaddr * */
    TYPE_UINT,		/* unsigned int */
+
    TYPE_ULONG,		/* unsigned long */
    TYPE_USHORT,		/* unsigned short */
+   TYPE_2BYTE = TYPE_USHORT,
    TYPE_MODET,		/* representation of mode_t */
    TYPE_GIDT,		/* representation of gid_t */
+
    TYPE_UIDT,		/* representation of uid_t */
    /*TYPE_FLAG,*/
    TYPE_INT3,		/* int[3] */
    TYPE_TIMEVAL,	/* struct timeval: {long;long;}, seconds and microsec. */
    TYPE_TIMESPEC,	/* struct timespec: {time_t;long;}, seconds and nanosec. */
-#if HAVE_STRUCT_LINGER
+
-   TYPE_LINGER,		/* struct linger */
-#endif /* HAVE_STRUCT_LINGER */
    TYPE_DOUBLE,		/* double */
    TYPE_STRING_NULL,	/* char *; string or NULL */
    TYPE_LONGLONG,	/* long long */
    TYPE_OFF32,		/* off_t */
+
    TYPE_OFF64,		/* off64_t */
-#if HAVE_STRUCT_IP_MREQ || HAVE_STRUCT_IP_MREQN
-   TYPE_IP_MREQN,	/* for  struct ip_mreq  or  struct ip_mreqn */
-#endif
-   TYPE_IP4NAME,	/* IPv4 hostname or address */
    TYPE_INT_INT,	/* 2 parameters: first is int, second is int */
+   TYPE_INT_INTP,	/* 2 parameters: first is int, second is int* */
    TYPE_INT_BIN,	/* 2 parameters: first is int, second is binary */
+
    TYPE_INT_STRING,	/* 2 parameters: first is int, second is req string */
    TYPE_INT_INT_INT,	/* 3 params: first and second are int, 3rd is int */
    TYPE_INT_INT_BIN,	/* 3 params: first and second are int, 3rd is binary */
    TYPE_INT_INT_STRING,	/* 3 params: first and second are int, 3rd is string */
 
-   TYPE_2BYTE = TYPE_USHORT
+   TYPE_IP4NAME,	/* IPv4 hostname or address */
+#if HAVE_STRUCT_LINGER
+   TYPE_LINGER,		/* struct linger */
+#endif /* HAVE_STRUCT_LINGER */
+#if HAVE_STRUCT_IP_MREQ || HAVE_STRUCT_IP_MREQN
+   TYPE_IP_MREQN,	/* for  struct ip_mreq  or  struct ip_mreqn */
+#endif
 } ;
 
 enum e_func {
@@ -74,8 +82,10 @@ enum e_func {
 			   is int setrequest */
    OFUNC_IOCTL_MASK_LONG,	/* arg1 is getrequest, arg2 is setrequest:
 			   ioctl(arg1, ); |= arg3; ioctl(arg2, ); */
+   OFUNC_IOCTL_GENERIC,	/* generic ioctl() (request on cmdline) */
    OFUNC_SOCKOPT,	/* setsockopt() */
    OFUNC_SOCKOPT_APPEND,/* getsockopt(), append data, setsockopt() */
+   OFUNC_SOCKOPT_GENERIC,/* generic setsockopt() (level, optname on cmdline) */
    OFUNC_FLOCK,		/* flock() */
    OFUNC_TERMIO,	/* termio() ? */
    OFUNC_SPEC,		/* special, i.e. no generalizable function call */