Enable ip commands to be compiled seperate from ip, modifed patch from Bastian Blank

11 files changed, 249 insertions, 36 deletions

diff --git a/networking/Makefile.in b/networking/Makefile.in
index 7404b041d..fc6a3b7e0 100644
--- a/networking/Makefile.in
+++ b/networking/Makefile.in
@@ -23,21 +23,25 @@ NETWORKING_DIR:=$(TOPDIR)networking/
 endif
 
 NETWORKING-y:=
-NETWORKING-$(CONFIG_HOSTNAME)		+= hostname.o
-NETWORKING-$(CONFIG_IFCONFIG)		+= ifconfig.o
-NETWORKING-$(CONFIG_IFUPDOWN)		+= ifupdown.o
-NETWORKING-$(CONFIG_IP)		    += ip.o
-NETWORKING-$(CONFIG_IPCALC)             += ipcalc.o
+NETWORKING-$(CONFIG_HOSTNAME)	+= hostname.o
+NETWORKING-$(CONFIG_IFCONFIG)	+= ifconfig.o
+NETWORKING-$(CONFIG_IFUPDOWN)	+= ifupdown.o
+NETWORKING-$(CONFIG_IP)			+= ip.o
+NETWORKING-$(CONFIG_IPCALC)		+= ipcalc.o
+NETWORKING-$(CONFIG_IPADDR)		+= ipaddr.o
+NETWORKING-$(CONFIG_IPLINK)		+= iplink.o
+NETWORKING-$(CONFIG_IPROUTE)	+= iproute.o
+NETWORKING-$(CONFIG_IPTUNNEL)	+= iptunnel.o
 NETWORKING-$(CONFIG_NC)		    += nc.o
-NETWORKING-$(CONFIG_NETSTAT)		+= netstat.o
-NETWORKING-$(CONFIG_NSLOOKUP)		+= nslookup.o
+NETWORKING-$(CONFIG_NETSTAT)	+= netstat.o
+NETWORKING-$(CONFIG_NSLOOKUP)	+= nslookup.o
 NETWORKING-$(CONFIG_PING)		+= ping.o
 NETWORKING-$(CONFIG_PING6)		+= ping6.o
 NETWORKING-$(CONFIG_ROUTE)		+= route.o
 NETWORKING-$(CONFIG_TELNET)		+= telnet.o
-NETWORKING-$(CONFIG_TELNETD)    	+= telnetd.o
+NETWORKING-$(CONFIG_TELNETD)	+= telnetd.o
 NETWORKING-$(CONFIG_TFTP)		+= tftp.o
-NETWORKING-$(CONFIG_TRACEROUTE)		+= traceroute.o
+NETWORKING-$(CONFIG_TRACEROUTE)	+= traceroute.o
 NETWORKING-$(CONFIG_WGET)		+= wget.o
 
 libraries-y+=$(NETWORKING_DIR)$(NETWORKING_AR)
diff --git a/networking/config.in b/networking/config.in
index d62a6e425..de5b92064 100644
--- a/networking/config.in
+++ b/networking/config.in
@@ -33,10 +33,26 @@ bool 'ipcalc'	    CONFIG_IPCALC
 if [ "$CONFIG_IPCALC" = "y" ]; then
     bool '  Fancy IPCALC, more options, adds 300 bytes'	CONFIG_FEATURE_IPCALC_FANCY
 fi
-bool 'nc'	    CONFIG_NC
+bool 'ipaddr'		CONFIG_IPADDR
+if [ "$CONFIG_IP" = "y" ] && [ "$CONFIG_IPADDR" = "y" ]; then
+	define_bool	CONFIG_FEATURE_IP_ADDRESS	y
+fi
+bool 'iplink'		CONFIG_IPLINK
+if [ "$CONFIG_IP" = "y" ] && [ "$CONFIG_IPLINK" = "y" ]; then
+	define_bool	CONFIG_FEATURE_IP_LINK	y
+fi
+bool 'iproute'		CONFIG_IPROUTE
+if [ "$CONFIG_IP" = "y" ] && [ "$CONFIG_IPROUTE" = "y" ]; then
+	define_bool	CONFIG_FEATURE_IP_ROUTE	y
+fi
+bool 'iptunnel'		CONFIG_IPTUNNEL
+if [ "$CONFIG_IP" = "y" ] && [ "$CONFIG_IPTUNNEL" = "y" ]; then
+	define_bool	CONFIG_FEATURE_IP_TUNNEL	y
+fi
+bool 'nc'			CONFIG_NC
 bool 'netstat'	    CONFIG_NETSTAT
 bool 'nslookup'	    CONFIG_NSLOOKUP
-bool 'ping'	    CONFIG_PING
+bool 'ping'			CONFIG_PING
 if [ "$CONFIG_PING" = "y" ]; then
     bool '  Enable fancy ping output'		CONFIG_FEATURE_FANCY_PING
 fi
diff --git a/networking/ip.c b/networking/ip.c
index f045f5f78..e7cab74c9 100644
--- a/networking/ip.c
+++ b/networking/ip.c
@@ -28,30 +28,30 @@
 
 #include "busybox.h"
 
+#if 0
 int preferred_family = AF_UNSPEC;
 int oneline = 0;
 char * _SL_ = NULL;
 
-int ip_main(int argc, char **argv)
+void ip_parse_common_args(int *argcp, char ***argvp)
 {
-	char *basename;
+	int argc = *argcp;
+	char **argv = *argvp;
 
-	basename = strrchr(argv[0], '/');
-	if (basename == NULL)
-		basename = argv[0];
-	else
-		basename++;
-	
 	while (argc > 1) {
 		char *opt = argv[1];
+
 		if (strcmp(opt,"--") == 0) {
 			argc--; argv++;
 			break;
 		}
+
 		if (opt[0] != '-')
 			break;
+
 		if (opt[1] == '-')
 			opt++;
+
 		if (matches(opt, "-family") == 0) {
 			argc--;
 			argv++;
@@ -72,33 +72,44 @@ int ip_main(int argc, char **argv)
 		} else if (matches(opt, "-oneline") == 0) {
 			++oneline;
 		} else {
-			fprintf(stderr, "Option \"%s\" is unknown, try \"ip -help\".\n", opt);
-			exit(-1);
+			show_usage();
 		}
 		argc--;	argv++;
 	}
-
 	_SL_ = oneline ? "\\" : "\n" ;
+}
+#endif
+
+int ip_main(int argc, char **argv)
+{
+	int ret = EXIT_FAILURE;
+
+	ip_parse_common_args(&argc, &argv);
 
 	if (argc > 1) {
 #ifdef CONFIG_FEATURE_IP_ADDRESS
-		if (matches(argv[1], "address") == 0)
-			return do_ipaddr(argc-2, argv+2);
+		if (matches(argv[1], "address") == 0) {
+			ret = do_ipaddr(argc-2, argv+2);
+		}
 #endif
 #ifdef CONFIG_FEATURE_IP_ROUTE
-		if (matches(argv[1], "route") == 0)
-			return do_iproute(argc-2, argv+2);
+		else if (matches(argv[1], "route") == 0) {
+			ret = do_iproute(argc-2, argv+2);
+		}
 #endif
 #ifdef CONFIG_FEATURE_IP_LINK
-		if (matches(argv[1], "link") == 0)
-			return do_iplink(argc-2, argv+2);
+		else if (matches(argv[1], "link") == 0) {
+			ret = do_iplink(argc-2, argv+2);
+		}
 #endif
 #ifdef CONFIG_FEATURE_IP_TUNNEL
-		if (matches(argv[1], "tunnel") == 0 ||
-		    strcmp(argv[1], "tunl") == 0)
-			return do_iptunnel(argc-2, argv+2);
+		else if (matches(argv[1], "tunnel") == 0 || strcmp(argv[1], "tunl") == 0) {
+			ret = do_iptunnel(argc-2, argv+2);
+		}
 #endif
-		fprintf(stderr, "Object \"%s\" is unknown, try \"ip help\".\n", argv[1]);
-		exit(-1);
 	}
+	if (ret) {
+		show_usage();
+	}
+	return(EXIT_SUCCESS);
 }
diff --git a/networking/ipaddr.c b/networking/ipaddr.c
new file mode 100644
index 000000000..7826194c9
--- /dev/null
+++ b/networking/ipaddr.c
@@ -0,0 +1,27 @@
+/*
+ * ip.c		"ip" utility frontend.
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ *
+ *
+ * Changes:
+ *
+ * Rani Assaf <rani@magic.metawire.com> 980929:	resolve addresses
+ */
+
+#include "./libiproute/utils.h"
+#include "./libiproute/ip_common.h"
+
+#include "busybox.h"
+
+int ipaddr_main(int argc, char **argv)
+{
+	ip_parse_common_args(&argc, &argv);
+
+	return do_ipaddr(argc-1, argv+1);
+}
diff --git a/networking/iplink.c b/networking/iplink.c
new file mode 100644
index 000000000..7207e176c
--- /dev/null
+++ b/networking/iplink.c
@@ -0,0 +1,27 @@
+/*
+ * ip.c		"ip" utility frontend.
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ *
+ *
+ * Changes:
+ *
+ * Rani Assaf <rani@magic.metawire.com> 980929:	resolve addresses
+ */
+
+#include "./libiproute/utils.h"
+#include "./libiproute/ip_common.h"
+
+#include "busybox.h"
+
+int iplink_main(int argc, char **argv)
+{
+	ip_parse_common_args(&argc, &argv);
+
+	return do_iplink(argc-1, argv+1);
+}
diff --git a/networking/iproute.c b/networking/iproute.c
new file mode 100644
index 000000000..d049a87c4
--- /dev/null
+++ b/networking/iproute.c
@@ -0,0 +1,27 @@
+/*
+ * ip.c		"ip" utility frontend.
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ *
+ *
+ * Changes:
+ *
+ * Rani Assaf <rani@magic.metawire.com> 980929:	resolve addresses
+ */
+
+#include "./libiproute/utils.h"
+#include "./libiproute/ip_common.h"
+
+#include "busybox.h"
+
+int iproute_main(int argc, char **argv)
+{
+	ip_parse_common_args(&argc, &argv);
+
+	return do_iproute(argc-1, argv+1);
+}
diff --git a/networking/iptunnel.c b/networking/iptunnel.c
new file mode 100644
index 000000000..f2b2e8a77
--- /dev/null
+++ b/networking/iptunnel.c
@@ -0,0 +1,27 @@
+/*
+ * ip.c		"ip" utility frontend.
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ *
+ *
+ * Changes:
+ *
+ * Rani Assaf <rani@magic.metawire.com> 980929:	resolve addresses
+ */
+
+#include "./libiproute/utils.h"
+#include "./libiproute/ip_common.h"
+
+#include "busybox.h"
+
+int iptunnel_main(int argc, char **argv)
+{
+	ip_parse_common_args(&argc, &argv);
+
+	return do_iptunnel(argc-1, argv+1);
+}
diff --git a/networking/libiproute/Makefile.in b/networking/libiproute/Makefile.in
index 6d35d7b3f..9fe146215 100644
--- a/networking/libiproute/Makefile.in
+++ b/networking/libiproute/Makefile.in
@@ -23,6 +23,7 @@ LIBIPROUTE_DIR:=$(TOPDIR)networking/libiproute/
 endif
 
 LIBIPROUTE-$(CONFIG_IP) += \
+	ip_parse_common_args.o \
 	ipaddress.o \
 	iplink.o \
 	iproute.o \
diff --git a/networking/libiproute/ip_common.h b/networking/libiproute/ip_common.h
index 5ac43218e..771ca48bd 100644
--- a/networking/libiproute/ip_common.h
+++ b/networking/libiproute/ip_common.h
@@ -1,3 +1,7 @@
+extern int preferred_family;
+extern char * _SL_;
+
+extern void ip_parse_common_args(int *argcp, char ***argvp);
 extern int print_linkinfo(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg);
 extern int print_addrinfo(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg);
 extern int print_neigh(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg);
diff --git a/networking/libiproute/ip_parse_common_args.c b/networking/libiproute/ip_parse_common_args.c
new file mode 100644
index 000000000..550d1ddfe
--- /dev/null
+++ b/networking/libiproute/ip_parse_common_args.c
@@ -0,0 +1,70 @@
+/*
+ * ip.c		"ip" utility frontend.
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ *
+ *
+ * Changes:
+ *
+ * Rani Assaf <rani@magic.metawire.com> 980929:	resolve addresses
+ */
+
+#include "utils.h"
+#include "ip_common.h"
+
+#include "busybox.h"
+
+int preferred_family = AF_UNSPEC;
+int oneline = 0;
+char * _SL_ = NULL;
+
+void ip_parse_common_args(int *argcp, char ***argvp)
+{
+	int argc = *argcp;
+	char **argv = *argvp;
+
+	while (argc > 1) {
+		char *opt = argv[1];
+
+		if (strcmp(opt,"--") == 0) {
+			argc--; argv++;
+			break;
+		}
+
+		if (opt[0] != '-')
+			break;
+
+		if (opt[1] == '-')
+			opt++;
+
+		if (matches(opt, "-family") == 0) {
+			argc--;
+			argv++;
+			if (strcmp(argv[1], "inet") == 0)
+				preferred_family = AF_INET;
+			else if (strcmp(argv[1], "inet6") == 0)
+				preferred_family = AF_INET6;
+			else if (strcmp(argv[1], "link") == 0)
+				preferred_family = AF_PACKET;
+			else
+				invarg(argv[1], "invalid protocol family");
+		} else if (strcmp(opt, "-4") == 0) {
+			preferred_family = AF_INET;
+		} else if (strcmp(opt, "-6") == 0) {
+			preferred_family = AF_INET6;
+		} else if (strcmp(opt, "-0") == 0) {
+			preferred_family = AF_PACKET;
+		} else if (matches(opt, "-oneline") == 0) {
+			++oneline;
+		} else {
+			show_usage();
+		}
+		argc--;	argv++;
+	}
+	_SL_ = oneline ? "\\" : "\n" ;
+}
diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index dd5a91426..055aadfee 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -230,7 +230,6 @@ int print_addrinfo(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
 	if ((filter.flags^ifa->ifa_flags)&filter.flagmask)
 		return 0;
 	if (filter.label) {
-		SPRINT_BUF(b1);
 		const char *label;
 		if (rta_tb[IFA_LABEL])
 			label = RTA_DATA(rta_tb[IFA_LABEL]);
@@ -541,10 +540,10 @@ int ipaddr_list_link(int argc, char **argv)
 	return ipaddr_list(argc, argv);
 }
 
-void ipaddr_reset_filter(int oneline)
+void ipaddr_reset_filter(int _oneline)
 {
 	memset(&filter, 0, sizeof(filter));
-	filter.oneline = oneline;
+	filter.oneline = _oneline;
 }
 
 int default_scope(inet_prefix *lcl)