[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/iproute2/iproute2-3.4.0/lib/utils.c b/ap/app/iproute2/iproute2-3.4.0/lib/utils.c
new file mode 100755
index 0000000..d80f79b
--- /dev/null
+++ b/ap/app/iproute2/iproute2-3.4.0/lib/utils.c
@@ -0,0 +1,767 @@
+/*
+ * utils.c
+ *
+ *		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>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <string.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+#include <resolv.h>
+#include <asm/types.h>
+#include <linux/pkt_sched.h>
+#include <time.h>
+#include <sys/time.h>
+#include <errno.h>
+
+
+#include "utils.h"
+
+int get_integer(int *val, const char *arg, int base)
+{
+	long res;
+	char *ptr;
+
+	if (!arg || !*arg)
+		return -1;
+	res = strtol(arg, &ptr, base);
+	if (!ptr || ptr == arg || *ptr || res > INT_MAX || res < INT_MIN)
+		return -1;
+	*val = res;
+	return 0;
+}
+
+int mask2bits(__u32 netmask)
+{
+	unsigned bits = 0;
+	__u32 mask = ntohl(netmask);
+	__u32 host = ~mask;
+
+	/* a valid netmask must be 2^n - 1 */
+	if ((host & (host + 1)) != 0)
+		return -1;
+
+	for (; mask; mask <<= 1)
+		++bits;
+	return bits;
+}
+
+static int get_netmask(unsigned *val, const char *arg, int base)
+{
+	inet_prefix addr;
+
+	if (!get_unsigned(val, arg, base))
+		return 0;
+
+	/* try coverting dotted quad to CIDR */
+	if (!get_addr_1(&addr, arg, AF_INET) && addr.family == AF_INET) {
+		int b = mask2bits(addr.data[0]);
+		
+		if (b >= 0) {
+			*val = b;
+			return 0;
+		}
+	}
+
+	return -1;
+}
+
+int get_unsigned(unsigned *val, const char *arg, int base)
+{
+	unsigned long res;
+	char *ptr;
+
+	if (!arg || !*arg)
+		return -1;
+	res = strtoul(arg, &ptr, base);
+	if (!ptr || ptr == arg || *ptr || res > UINT_MAX)
+		return -1;
+	*val = res;
+	return 0;
+}
+
+/*
+ * get_time_rtt is "translated" from a similar routine "get_time" in
+ * tc_util.c.  We don't use the exact same routine because tc passes
+ * microseconds to the kernel and the callers of get_time_rtt want to
+ * pass milliseconds (standard unit for rtt values since 2.6.27), and
+ * have a different assumption for the units of a "raw" number.
+ */
+int get_time_rtt(unsigned *val, const char *arg, int *raw)
+{
+	double t;
+	unsigned long res;
+	char *p;
+
+	if (strchr(arg,'.') != NULL) {
+		t = strtod(arg,&p);
+		if (t < 0.0)
+			return -1;
+	}
+	else {
+		res = strtoul(arg, &p, 0);
+		if (res > UINT_MAX)
+			return -1;
+		t = (double)res;
+	}
+	if (p == arg)
+		return -1;
+	*raw = 1;
+
+	if (*p) {
+		*raw = 0;
+                if (strcasecmp(p, "s") == 0 || strcasecmp(p, "sec")==0 ||
+                    strcasecmp(p, "secs")==0)
+                        t *= 1000;
+                else if (strcasecmp(p, "ms") == 0 || strcasecmp(p, "msec")==0 ||
+                         strcasecmp(p, "msecs") == 0)
+			t *= 1.0; /* allow suffix, do nothing */
+                else
+                        return -1;
+        }
+
+	/* emulate ceil() without having to bring-in -lm and always be >= 1 */
+
+	*val = t;
+	if (*val < t)
+		*val += 1;
+	
+        return 0;
+
+}
+
+int get_u64(__u64 *val, const char *arg, int base)
+{
+	unsigned long long res;
+	char *ptr;
+
+	if (!arg || !*arg)
+		return -1;
+	res = strtoull(arg, &ptr, base);
+	if (!ptr || ptr == arg || *ptr || res == 0xFFFFFFFFULL)
+ 		return -1;
+ 	*val = res;
+ 	return 0;
+}
+
+int get_u32(__u32 *val, const char *arg, int base)
+{
+	unsigned long res;
+	char *ptr;
+
+	if (!arg || !*arg)
+		return -1;
+	res = strtoul(arg, &ptr, base);
+	if (!ptr || ptr == arg || *ptr || res > 0xFFFFFFFFUL)
+		return -1;
+	*val = res;
+	return 0;
+}
+
+int get_u16(__u16 *val, const char *arg, int base)
+{
+	unsigned long res;
+	char *ptr;
+
+	if (!arg || !*arg)
+		return -1;
+	res = strtoul(arg, &ptr, base);
+	if (!ptr || ptr == arg || *ptr || res > 0xFFFF)
+		return -1;
+	*val = res;
+	return 0;
+}
+
+int get_u8(__u8 *val, const char *arg, int base)
+{
+	unsigned long res;
+	char *ptr;
+
+	if (!arg || !*arg)
+		return -1;
+	res = strtoul(arg, &ptr, base);
+	if (!ptr || ptr == arg || *ptr || res > 0xFF)
+		return -1;
+	*val = res;
+	return 0;
+}
+
+int get_s32(__s32 *val, const char *arg, int base)
+{
+	long res;
+	char *ptr;
+
+	errno = 0;
+
+	if (!arg || !*arg)
+		return -1;
+	res = strtol(arg, &ptr, base);
+	if (ptr == arg || *ptr ||
+	    ((res ==  LONG_MIN || res == LONG_MAX) && errno == ERANGE) ||
+	    res > INT32_MAX || res < INT32_MIN)
+		return -1;
+	*val = res;
+	return 0;
+}
+
+int get_s16(__s16 *val, const char *arg, int base)
+{
+	long res;
+	char *ptr;
+
+	if (!arg || !*arg)
+		return -1;
+	res = strtol(arg, &ptr, base);
+	if (!ptr || ptr == arg || *ptr || res > 0x7FFF || res < -0x8000)
+		return -1;
+	*val = res;
+	return 0;
+}
+
+int get_s8(__s8 *val, const char *arg, int base)
+{
+	long res;
+	char *ptr;
+
+	if (!arg || !*arg)
+		return -1;
+	res = strtol(arg, &ptr, base);
+	if (!ptr || ptr == arg || *ptr || res > 0x7F || res < -0x80)
+		return -1;
+	*val = res;
+	return 0;
+}
+
+/* This uses a non-standard parsing (ie not inet_aton, or inet_pton)
+ * because of legacy choice to parse 10.8 as 10.8.0.0 not 10.0.0.8
+ */
+static int get_addr_ipv4(__u8 *ap, const char *cp)
+{
+	int i;
+
+	for (i = 0; i < 4; i++) {
+		unsigned long n;
+		char *endp;
+		
+		n = strtoul(cp, &endp, 0);
+		if (n > 255)
+			return -1;	/* bogus network value */
+
+		if (endp == cp) /* no digits */
+			return -1;
+
+		ap[i] = n;
+
+		if (*endp == '\0')
+			break;
+
+		if (i == 3 || *endp != '.')
+			return -1; 	/* extra characters */
+		cp = endp + 1;
+	}
+
+	return 1;
+}
+
+int get_addr_1(inet_prefix *addr, const char *name, int family)
+{
+	memset(addr, 0, sizeof(*addr));
+
+	if (strcmp(name, "default") == 0 ||
+	    strcmp(name, "all") == 0 ||
+	    strcmp(name, "any") == 0) {
+		if (family == AF_DECnet)
+			return -1;
+		addr->family = family;
+		addr->bytelen = (family == AF_INET6 ? 16 : 4);
+		addr->bitlen = -1;
+		return 0;
+	}
+
+	if (strchr(name, ':')) {
+		addr->family = AF_INET6;
+		if (family != AF_UNSPEC && family != AF_INET6)
+			return -1;
+		if (inet_pton(AF_INET6, name, addr->data) <= 0)
+			return -1;
+		addr->bytelen = 16;
+		addr->bitlen = -1;
+		return 0;
+	}
+
+	if (family == AF_DECnet) {
+		struct dn_naddr dna;
+		addr->family = AF_DECnet;
+		if (dnet_pton(AF_DECnet, name, &dna) <= 0)
+			return -1;
+		memcpy(addr->data, dna.a_addr, 2);
+		addr->bytelen = 2;
+		addr->bitlen = -1;
+		return 0;
+	}
+
+	addr->family = AF_INET;
+	if (family != AF_UNSPEC && family != AF_INET)
+		return -1;
+
+	if (get_addr_ipv4((__u8 *)addr->data, name) <= 0)
+		return -1;
+
+	addr->bytelen = 4;
+	addr->bitlen = -1;
+	return 0;
+}
+
+int get_prefix_1(inet_prefix *dst, char *arg, int family)
+{
+	int err;
+	unsigned plen;
+	char *slash;
+
+	memset(dst, 0, sizeof(*dst));
+
+	if (strcmp(arg, "default") == 0 ||
+	    strcmp(arg, "any") == 0 ||
+	    strcmp(arg, "all") == 0) {
+		if (family == AF_DECnet)
+			return -1;
+		dst->family = family;
+		dst->bytelen = 0;
+		dst->bitlen = 0;
+		return 0;
+	}
+
+	slash = strchr(arg, '/');
+	if (slash)
+		*slash = 0;
+
+	err = get_addr_1(dst, arg, family);
+	if (err == 0) {
+		switch(dst->family) {
+			case AF_INET6:
+				dst->bitlen = 128;
+				break;
+			case AF_DECnet:
+				dst->bitlen = 16;
+				break;
+			default:
+			case AF_INET:
+				dst->bitlen = 32;
+		}
+		if (slash) {
+			if (get_netmask(&plen, slash+1, 0)
+					|| plen > dst->bitlen) {
+				err = -1;
+				goto done;
+			}
+			dst->flags |= PREFIXLEN_SPECIFIED;
+			dst->bitlen = plen;
+		}
+	}
+done:
+	if (slash)
+		*slash = '/';
+	return err;
+}
+
+int get_addr(inet_prefix *dst, const char *arg, int family)
+{
+	if (family == AF_PACKET) {
+		fprintf(stderr, "Error: \"%s\" may be inet address, but it is not allowed in this context.\n", arg);
+		exit(1);
+	}
+	if (get_addr_1(dst, arg, family)) {
+		fprintf(stderr, "Error: an inet address is expected rather than \"%s\".\n", arg);
+		exit(1);
+	}
+	return 0;
+}
+
+int get_prefix(inet_prefix *dst, char *arg, int family)
+{
+	if (family == AF_PACKET) {
+		fprintf(stderr, "Error: \"%s\" may be inet prefix, but it is not allowed in this context.\n", arg);
+		exit(1);
+	}
+	if (get_prefix_1(dst, arg, family)) {
+		fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", arg);
+		exit(1);
+	}
+	return 0;
+}
+
+__u32 get_addr32(const char *name)
+{
+	inet_prefix addr;
+	if (get_addr_1(&addr, name, AF_INET)) {
+		fprintf(stderr, "Error: an IP address is expected rather than \"%s\"\n", name);
+		exit(1);
+	}
+	return addr.data[0];
+}
+
+void incomplete_command(void)
+{
+	fprintf(stderr, "Command line is not complete. Try option \"help\"\n");
+	exit(-1);
+}
+
+void missarg(const char *key)
+{
+	fprintf(stderr, "Error: argument \"%s\" is required\n", key);
+	exit(-1);
+}
+
+void invarg(const char *msg, const char *arg)
+{
+	fprintf(stderr, "Error: argument \"%s\" is wrong: %s\n", arg, msg);
+	exit(-1);
+}
+
+void duparg(const char *key, const char *arg)
+{
+	fprintf(stderr, "Error: duplicate \"%s\": \"%s\" is the second value.\n", key, arg);
+	exit(-1);
+}
+
+void duparg2(const char *key, const char *arg)
+{
+	fprintf(stderr, "Error: either \"%s\" is duplicate, or \"%s\" is a garbage.\n", key, arg);
+	exit(-1);
+}
+
+int matches(const char *cmd, const char *pattern)
+{
+	int len = strlen(cmd);
+	if (len > strlen(pattern))
+		return -1;
+	return memcmp(pattern, cmd, len);
+}
+
+int inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits)
+{
+	const __u32 *a1 = a->data;
+	const __u32 *a2 = b->data;
+	int words = bits >> 0x05;
+
+	bits &= 0x1f;
+
+	if (words)
+		if (memcmp(a1, a2, words << 2))
+			return -1;
+
+	if (bits) {
+		__u32 w1, w2;
+		__u32 mask;
+
+		w1 = a1[words];
+		w2 = a2[words];
+
+		mask = htonl((0xffffffff) << (0x20 - bits));
+
+		if ((w1 ^ w2) & mask)
+			return 1;
+	}
+
+	return 0;
+}
+
+int __iproute2_hz_internal;
+
+int __get_hz(void)
+{
+	char name[1024];
+	int hz = 0;
+	FILE *fp;
+
+	if (getenv("HZ"))
+		return atoi(getenv("HZ")) ? : HZ;
+
+	if (getenv("PROC_NET_PSCHED")) {
+		snprintf(name, sizeof(name)-1, "%s", getenv("PROC_NET_PSCHED"));
+	} else if (getenv("PROC_ROOT")) {
+		snprintf(name, sizeof(name)-1, "%s/net/psched", getenv("PROC_ROOT"));
+	} else {
+		strcpy(name, "/proc/net/psched");
+	}
+	fp = fopen(name, "r");
+
+	if (fp) {
+		unsigned nom, denom;
+		if (fscanf(fp, "%*08x%*08x%08x%08x", &nom, &denom) == 2)
+			if (nom == 1000000)
+				hz = denom;
+		fclose(fp);
+	}
+	if (hz)
+		return hz;
+	return HZ;
+}
+
+int __iproute2_user_hz_internal;
+
+int __get_user_hz(void)
+{
+	return sysconf(_SC_CLK_TCK);
+}
+
+const char *rt_addr_n2a(int af, int len, const void *addr, char *buf, int buflen)
+{
+	switch (af) {
+	case AF_INET:
+	case AF_INET6:
+		return inet_ntop(af, addr, buf, buflen);
+	case AF_IPX:
+		return ipx_ntop(af, addr, buf, buflen);
+	case AF_DECnet:
+	{
+		struct dn_naddr dna = { 2, { 0, 0, }};
+		memcpy(dna.a_addr, addr, 2);
+		return dnet_ntop(af, &dna, buf, buflen);
+	}
+	default:
+		return "???";
+	}
+}
+
+#ifdef RESOLVE_HOSTNAMES
+struct namerec
+{
+	struct namerec *next;
+	const char *name;
+	inet_prefix addr;
+};
+
+#define NHASH 257
+static struct namerec *nht[NHASH];
+
+static const char *resolve_address(const void *addr, int len, int af)
+{
+	struct namerec *n;
+	struct hostent *h_ent;
+	unsigned hash;
+	static int notfirst;
+
+
+	if (af == AF_INET6 && ((__u32*)addr)[0] == 0 &&
+	    ((__u32*)addr)[1] == 0 && ((__u32*)addr)[2] == htonl(0xffff)) {
+		af = AF_INET;
+		addr += 12;
+		len = 4;
+	}
+
+	hash = *(__u32 *)(addr + len - 4) % NHASH;
+
+	for (n = nht[hash]; n; n = n->next) {
+		if (n->addr.family == af &&
+		    n->addr.bytelen == len &&
+		    memcmp(n->addr.data, addr, len) == 0)
+			return n->name;
+	}
+	if ((n = malloc(sizeof(*n))) == NULL)
+		return NULL;
+	n->addr.family = af;
+	n->addr.bytelen = len;
+	n->name = NULL;
+	memcpy(n->addr.data, addr, len);
+	n->next = nht[hash];
+	nht[hash] = n;
+	if (++notfirst == 1)
+		sethostent(1);
+	fflush(stdout);
+
+	if ((h_ent = gethostbyaddr(addr, len, af)) != NULL)
+		n->name = strdup(h_ent->h_name);
+
+	/* Even if we fail, "negative" entry is remembered. */
+	return n->name;
+}
+#endif
+
+
+const char *format_host(int af, int len, const void *addr,
+			char *buf, int buflen)
+{
+#ifdef RESOLVE_HOSTNAMES
+	if (resolve_hosts) {
+		const char *n;
+
+		if (len <= 0) {
+			switch (af) {
+			case AF_INET:
+				len = 4;
+				break;
+			case AF_INET6:
+				len = 16;
+				break;
+			case AF_IPX:
+				len = 10;
+				break;
+#ifdef AF_DECnet
+			/* I see no reasons why gethostbyname
+			   may not work for DECnet */
+			case AF_DECnet:
+				len = 2;
+				break;
+#endif
+			default: ;
+			}
+		}
+		if (len > 0 &&
+		    (n = resolve_address(addr, len, af)) != NULL)
+			return n;
+	}
+#endif
+	return rt_addr_n2a(af, len, addr, buf, buflen);
+}
+
+
+char *hexstring_n2a(const __u8 *str, int len, char *buf, int blen)
+{
+	char *ptr = buf;
+	int i;
+
+	for (i=0; i<len; i++) {
+		if (blen < 3)
+			break;
+		sprintf(ptr, "%02x", str[i]);
+		ptr += 2;
+		blen -= 2;
+		if (i != len-1 && blen > 1) {
+			*ptr++ = ':';
+			blen--;
+		}
+	}
+	return buf;
+}
+
+__u8* hexstring_a2n(const char *str, __u8 *buf, int blen)
+{
+	int cnt = 0;
+
+	for (;;) {
+		unsigned acc;
+		char ch;
+
+		acc = 0;
+
+		while ((ch = *str) != ':' && ch != 0) {
+			if (ch >= '0' && ch <= '9')
+				ch -= '0';
+			else if (ch >= 'a' && ch <= 'f')
+				ch -= 'a'-10;
+			else if (ch >= 'A' && ch <= 'F')
+				ch -= 'A'-10;
+			else
+				return NULL;
+			acc = (acc<<4) + ch;
+			str++;
+		}
+
+		if (acc > 255)
+			return NULL;
+		if (cnt < blen) {
+			buf[cnt] = acc;
+			cnt++;
+		}
+		if (ch == 0)
+			break;
+		++str;
+	}
+	if (cnt < blen)
+		memset(buf+cnt, 0, blen-cnt);
+	return buf;
+}
+
+int print_timestamp(FILE *fp)
+{
+	struct timeval tv;
+	char *tstr;
+
+	memset(&tv, 0, sizeof(tv));
+	gettimeofday(&tv, NULL);
+
+	tstr = asctime(localtime(&tv.tv_sec));
+	tstr[strlen(tstr)-1] = 0;
+	fprintf(fp, "Timestamp: %s %lu usec\n", tstr, tv.tv_usec);
+	return 0;
+}
+
+int cmdlineno;
+
+/* Like glibc getline but handle continuation lines and comments */
+ssize_t getcmdline(char **linep, size_t *lenp, FILE *in)
+{
+	ssize_t cc;
+	char *cp;
+
+	if ((cc = getline(linep, lenp, in)) < 0)
+		return cc;	/* eof or error */
+	++cmdlineno;
+
+	cp = strchr(*linep, '#');
+	if (cp)
+		*cp = '\0';
+
+	while ((cp = strstr(*linep, "\\\n")) != NULL) {
+		char *line1 = NULL;
+		size_t len1 = 0;
+		ssize_t cc1;
+
+		if ((cc1 = getline(&line1, &len1, in)) < 0) {
+			fprintf(stderr, "Missing continuation line\n");
+			return cc1;
+		}
+
+		++cmdlineno;
+		*cp = 0;
+
+		cp = strchr(line1, '#');
+		if (cp)
+			*cp = '\0';
+
+		*lenp = strlen(*linep) + strlen(line1) + 1;
+		*linep = realloc(*linep, *lenp);
+		if (!*linep) {
+			fprintf(stderr, "Out of memory\n");
+			*lenp = 0;
+			return -1;
+		}
+		cc += cc1 - 2;
+		strcat(*linep, line1);
+		free(line1);
+	}
+	return cc;
+}
+
+/* split command line into argument vector */
+int makeargs(char *line, char *argv[], int maxargs)
+{
+	static const char ws[] = " \t\r\n";
+	char *cp;
+	int argc = 0;
+
+	for (cp = strtok(line, ws); cp; cp = strtok(NULL, ws)) {
+		if (argc >= (maxargs - 1)) {
+			fprintf(stderr, "Too many arguments to command\n");
+			exit(1);
+		}
+		argv[argc++] = cp;
+	}
+	argv[argc] = NULL;
+
+	return argc;
+}