[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/networking/interface.c b/ap/app/busybox/src/networking/interface.c
new file mode 100644
index 0000000..9ae8b3f
--- /dev/null
+++ b/ap/app/busybox/src/networking/interface.c
@@ -0,0 +1,1230 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * stolen from net-tools-1.59 and stripped down for busybox by
+ * Erik Andersen <andersen@codepoet.org>
+ *
+ * Heavily modified by Manuel Novoa III Mar 12, 2001
+ *
+ * Added print_bytes_scaled function to reduce code size.
+ * Added some (potentially) missing defines.
+ * Improved display support for -a and for a named interface.
+ *
+ * -----------------------------------------------------------
+ *
+ * ifconfig This file contains an implementation of the command
+ * that either displays or sets the characteristics of
+ * one or more of the system's networking interfaces.
+ *
+ *
+ * Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
+ * and others. Copyright 1993 MicroWalt Corporation
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ *
+ * Patched to support 'add' and 'del' keywords for INET(4) addresses
+ * by Mrs. Brisby <mrs.brisby@nimh.org>
+ *
+ * {1.34} - 19980630 - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ * - gettext instead of catgets for i18n
+ * 10/1998 - Andi Kleen. Use interface list primitives.
+ * 20001008 - Bernd Eckenfels, Patch from RH for setting mtu
+ * (default AF was wrong)
+ */
+
+#include "libbb.h"
+#include "inet_common.h"
+#include <net/if.h>
+#include <net/if_arp.h>
+#ifdef HAVE_NET_ETHERNET_H
+# include <net/ethernet.h>
+#endif
+
+#if ENABLE_FEATURE_HWIB
+/* #include <linux/if_infiniband.h> */
+# undef INFINIBAND_ALEN
+# define INFINIBAND_ALEN 20
+#endif
+
+#if ENABLE_FEATURE_IPV6
+# define HAVE_AFINET6 1
+#else
+# undef HAVE_AFINET6
+#endif
+
+#define _PATH_PROCNET_DEV "/proc/net/dev"
+#define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
+
+#ifdef HAVE_AFINET6
+# ifndef _LINUX_IN6_H
+/*
+ * This is from linux/include/net/ipv6.h
+ */
+struct in6_ifreq {
+ struct in6_addr ifr6_addr;
+ uint32_t ifr6_prefixlen;
+ unsigned int ifr6_ifindex;
+};
+# endif
+#endif /* HAVE_AFINET6 */
+
+/* Defines for glibc2.0 users. */
+#ifndef SIOCSIFTXQLEN
+# define SIOCSIFTXQLEN 0x8943
+# define SIOCGIFTXQLEN 0x8942
+#endif
+
+/* ifr_qlen is ifru_ivalue, but it isn't present in 2.0 kernel headers */
+#ifndef ifr_qlen
+# define ifr_qlen ifr_ifru.ifru_mtu
+#endif
+
+#ifndef HAVE_TXQUEUELEN
+# define HAVE_TXQUEUELEN 1
+#endif
+
+#ifndef IFF_DYNAMIC
+# define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses */
+#endif
+
+/* Display an Internet socket address. */
+static const char* FAST_FUNC INET_sprint(struct sockaddr *sap, int numeric)
+{
+ static char *buff; /* defaults to NULL */
+
+ free(buff);
+ if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
+ return "[NONE SET]";
+ buff = INET_rresolve((struct sockaddr_in *) sap, numeric, 0xffffff00);
+ return buff;
+}
+
+#ifdef UNUSED_AND_BUGGY
+static int INET_getsock(char *bufp, struct sockaddr *sap)
+{
+ char *sp = bufp, *bp;
+ unsigned int i;
+ unsigned val;
+ struct sockaddr_in *sock_in;
+
+ sock_in = (struct sockaddr_in *) sap;
+ sock_in->sin_family = AF_INET;
+ sock_in->sin_port = 0;
+
+ val = 0;
+ bp = (char *) &val;
+ for (i = 0; i < sizeof(sock_in->sin_addr.s_addr); i++) {
+ *sp = toupper(*sp);
+
+ if ((unsigned)(*sp - 'A') <= 5)
+ bp[i] |= (int) (*sp - ('A' - 10));
+ else if (isdigit(*sp))
+ bp[i] |= (int) (*sp - '0');
+ else
+ return -1;
+
+ bp[i] <<= 4;
+ sp++;
+ *sp = toupper(*sp);
+
+ if ((unsigned)(*sp - 'A') <= 5)
+ bp[i] |= (int) (*sp - ('A' - 10));
+ else if (isdigit(*sp))
+ bp[i] |= (int) (*sp - '0');
+ else
+ return -1;
+
+ sp++;
+ }
+ sock_in->sin_addr.s_addr = htonl(val);
+
+ return (sp - bufp);
+}
+#endif
+
+static int FAST_FUNC INET_input(/*int type,*/ const char *bufp, struct sockaddr *sap)
+{
+ return INET_resolve(bufp, (struct sockaddr_in *) sap, 0);
+/*
+ switch (type) {
+ case 1:
+ return (INET_getsock(bufp, sap));
+ case 256:
+ return (INET_resolve(bufp, (struct sockaddr_in *) sap, 1));
+ default:
+ return (INET_resolve(bufp, (struct sockaddr_in *) sap, 0));
+ }
+*/
+}
+
+static const struct aftype inet_aftype = {
+ .name = "inet",
+ .title = "DARPA Internet",
+ .af = AF_INET,
+ .alen = 4,
+ .sprint = INET_sprint,
+ .input = INET_input,
+};
+
+#ifdef HAVE_AFINET6
+
+/* Display an Internet socket address. */
+/* dirty! struct sockaddr usually doesn't suffer for inet6 addresses, fst. */
+static const char* FAST_FUNC INET6_sprint(struct sockaddr *sap, int numeric)
+{
+ static char *buff;
+
+ free(buff);
+ if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
+ return "[NONE SET]";
+ buff = INET6_rresolve((struct sockaddr_in6 *) sap, numeric);
+ return buff;
+}
+
+#ifdef UNUSED
+static int INET6_getsock(char *bufp, struct sockaddr *sap)
+{
+ struct sockaddr_in6 *sin6;
+
+ sin6 = (struct sockaddr_in6 *) sap;
+ sin6->sin6_family = AF_INET6;
+ sin6->sin6_port = 0;
+
+ if (inet_pton(AF_INET6, bufp, sin6->sin6_addr.s6_addr) <= 0)
+ return -1;
+
+ return 16; /* ?;) */
+}
+#endif
+
+static int FAST_FUNC INET6_input(/*int type,*/ const char *bufp, struct sockaddr *sap)
+{
+ return INET6_resolve(bufp, (struct sockaddr_in6 *) sap);
+/*
+ switch (type) {
+ case 1:
+ return (INET6_getsock(bufp, sap));
+ default:
+ return (INET6_resolve(bufp, (struct sockaddr_in6 *) sap));
+ }
+*/
+}
+
+static const struct aftype inet6_aftype = {
+ .name = "inet6",
+ .title = "IPv6",
+ .af = AF_INET6,
+ .alen = sizeof(struct in6_addr),
+ .sprint = INET6_sprint,
+ .input = INET6_input,
+};
+
+#endif /* HAVE_AFINET6 */
+
+/* Display an UNSPEC address. */
+static char* FAST_FUNC UNSPEC_print(unsigned char *ptr)
+{
+ static char *buff;
+
+ char *pos;
+ unsigned int i;
+
+ if (!buff)
+ buff = xmalloc(sizeof(struct sockaddr) * 3 + 1);
+ pos = buff;
+ for (i = 0; i < sizeof(struct sockaddr); i++) {
+ /* careful -- not every libc's sprintf returns # bytes written */
+ sprintf(pos, "%02X-", (*ptr++ & 0377));
+ pos += 3;
+ }
+ /* Erase trailing "-". Works as long as sizeof(struct sockaddr) != 0 */
+ *--pos = '\0';
+ return buff;
+}
+
+/* Display an UNSPEC socket address. */
+static const char* FAST_FUNC UNSPEC_sprint(struct sockaddr *sap, int numeric UNUSED_PARAM)
+{
+ if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
+ return "[NONE SET]";
+ return UNSPEC_print((unsigned char *)sap->sa_data);
+}
+
+static const struct aftype unspec_aftype = {
+ .name = "unspec",
+ .title = "UNSPEC",
+ .af = AF_UNSPEC,
+ .alen = 0,
+ .print = UNSPEC_print,
+ .sprint = UNSPEC_sprint,
+};
+
+static const struct aftype *const aftypes[] = {
+ &inet_aftype,
+#ifdef HAVE_AFINET6
+ &inet6_aftype,
+#endif
+ &unspec_aftype,
+ NULL
+};
+
+/* Check our protocol family table for this family. */
+const struct aftype* FAST_FUNC get_aftype(const char *name)
+{
+ const struct aftype *const *afp;
+
+ afp = aftypes;
+ while (*afp != NULL) {
+ if (!strcmp((*afp)->name, name))
+ return (*afp);
+ afp++;
+ }
+ return NULL;
+}
+
+/* Check our protocol family table for this family. */
+static const struct aftype *get_afntype(int af)
+{
+ const struct aftype *const *afp;
+
+ afp = aftypes;
+ while (*afp != NULL) {
+ if ((*afp)->af == af)
+ return *afp;
+ afp++;
+ }
+ return NULL;
+}
+
+struct user_net_device_stats {
+ unsigned long long rx_packets; /* total packets received */
+ unsigned long long tx_packets; /* total packets transmitted */
+ unsigned long long rx_bytes; /* total bytes received */
+ unsigned long long tx_bytes; /* total bytes transmitted */
+ unsigned long rx_errors; /* bad packets received */
+ unsigned long tx_errors; /* packet transmit problems */
+ unsigned long rx_dropped; /* no space in linux buffers */
+ unsigned long tx_dropped; /* no space available in linux */
+ unsigned long rx_multicast; /* multicast packets received */
+ unsigned long rx_compressed;
+ unsigned long tx_compressed;
+ unsigned long collisions;
+
+ /* detailed rx_errors: */
+ unsigned long rx_length_errors;
+ unsigned long rx_over_errors; /* receiver ring buff overflow */
+ unsigned long rx_crc_errors; /* recved pkt with crc error */
+ unsigned long rx_frame_errors; /* recv'd frame alignment error */
+ unsigned long rx_fifo_errors; /* recv'r fifo overrun */
+ unsigned long rx_missed_errors; /* receiver missed packet */
+ /* detailed tx_errors */
+ unsigned long tx_aborted_errors;
+ unsigned long tx_carrier_errors;
+ unsigned long tx_fifo_errors;
+ unsigned long tx_heartbeat_errors;
+ unsigned long tx_window_errors;
+};
+
+struct interface {
+ struct interface *next, *prev;
+ char name[IFNAMSIZ]; /* interface name */
+ short type; /* if type */
+ short flags; /* various flags */
+ int metric; /* routing metric */
+ int mtu; /* MTU value */
+ int tx_queue_len; /* transmit queue length */
+ struct ifmap map; /* hardware setup */
+ struct sockaddr addr; /* IP address */
+ struct sockaddr dstaddr; /* P-P IP address */
+ struct sockaddr broadaddr; /* IP broadcast address */
+ struct sockaddr netmask; /* IP network mask */
+ int has_ip;
+ char hwaddr[32]; /* HW address */
+ int statistics_valid;
+ struct user_net_device_stats stats; /* statistics */
+ int keepalive; /* keepalive value for SLIP */
+ int outfill; /* outfill value for SLIP */
+};
+
+
+smallint interface_opt_a; /* show all interfaces */
+
+static struct interface *int_list, *int_last;
+
+
+#if 0
+/* like strcmp(), but knows about numbers */
+except that the freshly added calls to xatoul() brf on ethernet aliases with
+uClibc with e.g.: ife->name='lo' name='eth0:1'
+static int nstrcmp(const char *a, const char *b)
+{
+ const char *a_ptr = a;
+ const char *b_ptr = b;
+
+ while (*a == *b) {
+ if (*a == '\0') {
+ return 0;
+ }
+ if (!isdigit(*a) && isdigit(*(a+1))) {
+ a_ptr = a+1;
+ b_ptr = b+1;
+ }
+ a++;
+ b++;
+ }
+
+ if (isdigit(*a) && isdigit(*b)) {
+ return xatoul(a_ptr) > xatoul(b_ptr) ? 1 : -1;
+ }
+ return *a - *b;
+}
+#endif
+
+static struct interface *add_interface(char *name)
+{
+ struct interface *ife, **nextp, *new;
+
+ for (ife = int_last; ife; ife = ife->prev) {
+ int n = /*n*/strcmp(ife->name, name);
+
+ if (n == 0)
+ return ife;
+ if (n < 0)
+ break;
+ }
+
+ new = xzalloc(sizeof(*new));
+ strncpy_IFNAMSIZ(new->name, name);
+ nextp = ife ? &ife->next : &int_list;
+ new->prev = ife;
+ new->next = *nextp;
+ if (new->next)
+ new->next->prev = new;
+ else
+ int_last = new;
+ *nextp = new;
+ return new;
+}
+
+static char *get_name(char *name, char *p)
+{
+ /* Extract <name> from nul-terminated p where p matches
+ * <name>: after leading whitespace.
+ * If match is not made, set name empty and return unchanged p
+ */
+ char *nameend;
+ char *namestart = skip_whitespace(p);
+
+ nameend = namestart;
+ while (*nameend && *nameend != ':' && !isspace(*nameend))
+ nameend++;
+ if (*nameend == ':') {
+ if ((nameend - namestart) < IFNAMSIZ) {
+ memcpy(name, namestart, nameend - namestart);
+ name[nameend - namestart] = '\0';
+ p = nameend;
+ } else {
+ /* Interface name too large */
+ name[0] = '\0';
+ }
+ } else {
+ /* trailing ':' not found - return empty */
+ name[0] = '\0';
+ }
+ return p + 1;
+}
+
+/* If scanf supports size qualifiers for %n conversions, then we can
+ * use a modified fmt that simply stores the position in the fields
+ * having no associated fields in the proc string. Of course, we need
+ * to zero them again when we're done. But that is smaller than the
+ * old approach of multiple scanf occurrences with large numbers of
+ * args. */
+
+/* static const char *const ss_fmt[] = { */
+/* "%lln%llu%lu%lu%lu%lu%ln%ln%lln%llu%lu%lu%lu%lu%lu", */
+/* "%llu%llu%lu%lu%lu%lu%ln%ln%llu%llu%lu%lu%lu%lu%lu", */
+/* "%llu%llu%lu%lu%lu%lu%lu%lu%llu%llu%lu%lu%lu%lu%lu%lu" */
+/* }; */
+
+ /* Lie about the size of the int pointed to for %n. */
+#if INT_MAX == LONG_MAX
+static const char *const ss_fmt[] = {
+ "%n%llu%u%u%u%u%n%n%n%llu%u%u%u%u%u",
+ "%llu%llu%u%u%u%u%n%n%llu%llu%u%u%u%u%u",
+ "%llu%llu%u%u%u%u%u%u%llu%llu%u%u%u%u%u%u"
+};
+#else
+static const char *const ss_fmt[] = {
+ "%n%llu%lu%lu%lu%lu%n%n%n%llu%lu%lu%lu%lu%lu",
+ "%llu%llu%lu%lu%lu%lu%n%n%llu%llu%lu%lu%lu%lu%lu",
+ "%llu%llu%lu%lu%lu%lu%lu%lu%llu%llu%lu%lu%lu%lu%lu%lu"
+};
+
+#endif
+
+static void get_dev_fields(char *bp, struct interface *ife, int procnetdev_vsn)
+{
+ memset(&ife->stats, 0, sizeof(struct user_net_device_stats));
+
+ sscanf(bp, ss_fmt[procnetdev_vsn],
+ &ife->stats.rx_bytes, /* missing for 0 */
+ &ife->stats.rx_packets,
+ &ife->stats.rx_errors,
+ &ife->stats.rx_dropped,
+ &ife->stats.rx_fifo_errors,
+ &ife->stats.rx_frame_errors,
+ &ife->stats.rx_compressed, /* missing for <= 1 */
+ &ife->stats.rx_multicast, /* missing for <= 1 */
+ &ife->stats.tx_bytes, /* missing for 0 */
+ &ife->stats.tx_packets,
+ &ife->stats.tx_errors,
+ &ife->stats.tx_dropped,
+ &ife->stats.tx_fifo_errors,
+ &ife->stats.collisions,
+ &ife->stats.tx_carrier_errors,
+ &ife->stats.tx_compressed /* missing for <= 1 */
+ );
+
+ if (procnetdev_vsn <= 1) {
+ if (procnetdev_vsn == 0) {
+ ife->stats.rx_bytes = 0;
+ ife->stats.tx_bytes = 0;
+ }
+ ife->stats.rx_multicast = 0;
+ ife->stats.rx_compressed = 0;
+ ife->stats.tx_compressed = 0;
+ }
+}
+
+static int procnetdev_version(char *buf)
+{
+ if (strstr(buf, "compressed"))
+ return 2;
+ if (strstr(buf, "bytes"))
+ return 1;
+ return 0;
+}
+
+static int if_readconf(void)
+{
+ int numreqs = 30;
+ struct ifconf ifc;
+ struct ifreq *ifr;
+ int n, err = -1;
+ int skfd;
+
+ ifc.ifc_buf = NULL;
+
+ /* SIOCGIFCONF currently seems to only work properly on AF_INET sockets
+ (as of 2.1.128) */
+ skfd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (skfd < 0) {
+ bb_perror_msg("error: no inet socket available");
+ return -1;
+ }
+
+ for (;;) {
+ ifc.ifc_len = sizeof(struct ifreq) * numreqs;
+ ifc.ifc_buf = xrealloc(ifc.ifc_buf, ifc.ifc_len);
+
+ if (ioctl_or_warn(skfd, SIOCGIFCONF, &ifc) < 0) {
+ goto out;
+ }
+ if (ifc.ifc_len == (int)(sizeof(struct ifreq) * numreqs)) {
+ /* assume it overflowed and try again */
+ numreqs += 10;
+ continue;
+ }
+ break;
+ }
+
+ ifr = ifc.ifc_req;
+ for (n = 0; n < ifc.ifc_len; n += sizeof(struct ifreq)) {
+ add_interface(ifr->ifr_name);
+ ifr++;
+ }
+ err = 0;
+
+ out:
+ close(skfd);
+ free(ifc.ifc_buf);
+ return err;
+}
+
+static int if_readlist_proc(char *target)
+{
+ static smallint proc_read;
+
+ FILE *fh;
+ char buf[512];
+ struct interface *ife;
+ int err, procnetdev_vsn;
+
+ if (proc_read)
+ return 0;
+ if (!target)
+ proc_read = 1;
+
+ fh = fopen_or_warn(_PATH_PROCNET_DEV, "r");
+ if (!fh) {
+ return if_readconf();
+ }
+ fgets(buf, sizeof buf, fh); /* eat line */
+ fgets(buf, sizeof buf, fh);
+
+ procnetdev_vsn = procnetdev_version(buf);
+
+ err = 0;
+ while (fgets(buf, sizeof buf, fh)) {
+ char *s, name[128];
+
+ s = get_name(name, buf);
+ ife = add_interface(name);
+ get_dev_fields(s, ife, procnetdev_vsn);
+ ife->statistics_valid = 1;
+ if (target && !strcmp(target, name))
+ break;
+ }
+ if (ferror(fh)) {
+ bb_perror_msg(_PATH_PROCNET_DEV);
+ err = -1;
+ proc_read = 0;
+ }
+ fclose(fh);
+ return err;
+}
+
+static int if_readlist(void)
+{
+ int err = if_readlist_proc(NULL);
+ /* Needed in order to get ethN:M aliases */
+ if (!err)
+ err = if_readconf();
+ return err;
+}
+
+/* Fetch the interface configuration from the kernel. */
+static int if_fetch(struct interface *ife)
+{
+ struct ifreq ifr;
+ char *ifname = ife->name;
+ int skfd;
+
+ skfd = xsocket(AF_INET, SOCK_DGRAM, 0);
+
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
+ if (ioctl(skfd, SIOCGIFFLAGS, &ifr) < 0) {
+ close(skfd);
+ return -1;
+ }
+ ife->flags = ifr.ifr_flags;
+
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
+ memset(ife->hwaddr, 0, 32);
+ if (ioctl(skfd, SIOCGIFHWADDR, &ifr) >= 0)
+ memcpy(ife->hwaddr, ifr.ifr_hwaddr.sa_data, 8);
+
+ ife->type = ifr.ifr_hwaddr.sa_family;
+
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
+ ife->metric = 0;
+ if (ioctl(skfd, SIOCGIFMETRIC, &ifr) >= 0)
+ ife->metric = ifr.ifr_metric;
+
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
+ ife->mtu = 0;
+ if (ioctl(skfd, SIOCGIFMTU, &ifr) >= 0)
+ ife->mtu = ifr.ifr_mtu;
+
+ memset(&ife->map, 0, sizeof(struct ifmap));
+#ifdef SIOCGIFMAP
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
+ if (ioctl(skfd, SIOCGIFMAP, &ifr) == 0)
+ ife->map = ifr.ifr_map;
+#endif
+
+#ifdef HAVE_TXQUEUELEN
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
+ ife->tx_queue_len = -1; /* unknown value */
+ if (ioctl(skfd, SIOCGIFTXQLEN, &ifr) >= 0)
+ ife->tx_queue_len = ifr.ifr_qlen;
+#else
+ ife->tx_queue_len = -1; /* unknown value */
+#endif
+
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
+ ifr.ifr_addr.sa_family = AF_INET;
+ memset(&ife->addr, 0, sizeof(struct sockaddr));
+ if (ioctl(skfd, SIOCGIFADDR, &ifr) == 0) {
+ ife->has_ip = 1;
+ ife->addr = ifr.ifr_addr;
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
+ memset(&ife->dstaddr, 0, sizeof(struct sockaddr));
+ if (ioctl(skfd, SIOCGIFDSTADDR, &ifr) >= 0)
+ ife->dstaddr = ifr.ifr_dstaddr;
+
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
+ memset(&ife->broadaddr, 0, sizeof(struct sockaddr));
+ if (ioctl(skfd, SIOCGIFBRDADDR, &ifr) >= 0)
+ ife->broadaddr = ifr.ifr_broadaddr;
+
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
+ memset(&ife->netmask, 0, sizeof(struct sockaddr));
+ if (ioctl(skfd, SIOCGIFNETMASK, &ifr) >= 0)
+ ife->netmask = ifr.ifr_netmask;
+ }
+
+ close(skfd);
+ return 0;
+}
+
+static int do_if_fetch(struct interface *ife)
+{
+ if (if_fetch(ife) < 0) {
+ const char *errmsg;
+
+ if (errno == ENODEV) {
+ /* Give better error message for this case. */
+ errmsg = "Device not found";
+ } else {
+ errmsg = strerror(errno);
+ }
+ bb_error_msg("%s: error fetching interface information: %s",
+ ife->name, errmsg);
+ return -1;
+ }
+ return 0;
+}
+
+static const struct hwtype unspec_hwtype = {
+ .name = "unspec",
+ .title = "UNSPEC",
+ .type = -1,
+ .print = UNSPEC_print
+};
+
+static const struct hwtype loop_hwtype = {
+ .name = "loop",
+ .title = "Local Loopback",
+ .type = ARPHRD_LOOPBACK
+};
+
+/* Display an Ethernet address in readable format. */
+static char* FAST_FUNC ether_print(unsigned char *ptr)
+{
+ static char *buff;
+
+ free(buff);
+ buff = xasprintf("%02X:%02X:%02X:%02X:%02X:%02X",
+ (ptr[0] & 0377), (ptr[1] & 0377), (ptr[2] & 0377),
+ (ptr[3] & 0377), (ptr[4] & 0377), (ptr[5] & 0377)
+ );
+ return buff;
+}
+
+static int FAST_FUNC ether_input(const char *bufp, struct sockaddr *sap);
+
+static const struct hwtype ether_hwtype = {
+ .name = "ether",
+ .title = "Ethernet",
+ .type = ARPHRD_ETHER,
+ .alen = ETH_ALEN,
+ .print = ether_print,
+ .input = ether_input
+};
+
+static unsigned hexchar2int(char c)
+{
+ if (isdigit(c))
+ return c - '0';
+ c &= ~0x20; /* a -> A */
+ if ((unsigned)(c - 'A') <= 5)
+ return c - ('A' - 10);
+ return ~0U;
+}
+
+/* Input an Ethernet address and convert to binary. */
+static int FAST_FUNC ether_input(const char *bufp, struct sockaddr *sap)
+{
+ unsigned char *ptr;
+ char c;
+ int i;
+ unsigned val;
+
+ sap->sa_family = ether_hwtype.type;
+ ptr = (unsigned char*) sap->sa_data;
+
+ i = 0;
+ while ((*bufp != '\0') && (i < ETH_ALEN)) {
+ val = hexchar2int(*bufp++) * 0x10;
+ if (val > 0xff) {
+ errno = EINVAL;
+ return -1;
+ }
+ c = *bufp;
+ if (c == ':' || c == 0)
+ val >>= 4;
+ else {
+ val |= hexchar2int(c);
+ if (val > 0xff) {
+ errno = EINVAL;
+ return -1;
+ }
+ }
+ if (c != 0)
+ bufp++;
+ *ptr++ = (unsigned char) val;
+ i++;
+
+ /* We might get a semicolon here - not required. */
+ if (*bufp == ':') {
+ bufp++;
+ }
+ }
+ return 0;
+}
+
+static const struct hwtype ppp_hwtype = {
+ .name = "ppp",
+ .title = "Point-to-Point Protocol",
+ .type = ARPHRD_PPP
+};
+
+#if ENABLE_FEATURE_IPV6
+static const struct hwtype sit_hwtype = {
+ .name = "sit",
+ .title = "IPv6-in-IPv4",
+ .type = ARPHRD_SIT,
+ .print = UNSPEC_print,
+ .suppress_null_addr = 1
+};
+#endif
+#if ENABLE_FEATURE_HWIB
+static const struct hwtype ib_hwtype = {
+ .name = "infiniband",
+ .title = "InfiniBand",
+ .type = ARPHRD_INFINIBAND,
+ .alen = INFINIBAND_ALEN,
+ .print = UNSPEC_print,
+ .input = in_ib,
+};
+#endif
+
+
+static const struct hwtype *const hwtypes[] = {
+ &loop_hwtype,
+ ðer_hwtype,
+ &ppp_hwtype,
+ &unspec_hwtype,
+#if ENABLE_FEATURE_IPV6
+ &sit_hwtype,
+#endif
+#if ENABLE_FEATURE_HWIB
+ &ib_hwtype,
+#endif
+ NULL
+};
+
+#ifdef IFF_PORTSEL
+static const char *const if_port_text[] = {
+ /* Keep in step with <linux/netdevice.h> */
+ "unknown",
+ "10base2",
+ "10baseT",
+ "AUI",
+ "100baseT",
+ "100baseTX",
+ "100baseFX",
+ NULL
+};
+#endif
+
+/* Check our hardware type table for this type. */
+const struct hwtype* FAST_FUNC get_hwtype(const char *name)
+{
+ const struct hwtype *const *hwp;
+
+ hwp = hwtypes;
+ while (*hwp != NULL) {
+ if (!strcmp((*hwp)->name, name))
+ return (*hwp);
+ hwp++;
+ }
+ return NULL;
+}
+
+/* Check our hardware type table for this type. */
+const struct hwtype* FAST_FUNC get_hwntype(int type)
+{
+ const struct hwtype *const *hwp;
+
+ hwp = hwtypes;
+ while (*hwp != NULL) {
+ if ((*hwp)->type == type)
+ return *hwp;
+ hwp++;
+ }
+ return NULL;
+}
+
+/* return 1 if address is all zeros */
+static int hw_null_address(const struct hwtype *hw, void *ap)
+{
+ int i;
+ unsigned char *address = (unsigned char *) ap;
+
+ for (i = 0; i < hw->alen; i++)
+ if (address[i])
+ return 0;
+ return 1;
+}
+
+static const char TRext[] ALIGN1 = "\0\0\0Ki\0Mi\0Gi\0Ti";
+
+static void print_bytes_scaled(unsigned long long ull, const char *end)
+{
+ unsigned long long int_part;
+ const char *ext;
+ unsigned int frac_part;
+ int i;
+
+ frac_part = 0;
+ ext = TRext;
+ int_part = ull;
+ i = 4;
+ do {
+ if (int_part >= 1024) {
+ frac_part = ((((unsigned int) int_part) & (1024-1)) * 10) / 1024;
+ int_part /= 1024;
+ ext += 3; /* KiB, MiB, GiB, TiB */
+ }
+ --i;
+ } while (i);
+
+ printf("X bytes:%llu (%llu.%u %sB)%s", ull, int_part, frac_part, ext, end);
+}
+
+
+#ifdef HAVE_AFINET6
+#define IPV6_ADDR_ANY 0x0000U
+
+#define IPV6_ADDR_UNICAST 0x0001U
+#define IPV6_ADDR_MULTICAST 0x0002U
+#define IPV6_ADDR_ANYCAST 0x0004U
+
+#define IPV6_ADDR_LOOPBACK 0x0010U
+#define IPV6_ADDR_LINKLOCAL 0x0020U
+#define IPV6_ADDR_SITELOCAL 0x0040U
+
+#define IPV6_ADDR_COMPATv4 0x0080U
+
+#define IPV6_ADDR_SCOPE_MASK 0x00f0U
+
+#define IPV6_ADDR_MAPPED 0x1000U
+#define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
+
+
+static void ife_print6(struct interface *ptr)
+{
+ FILE *f;
+ char addr6[40], devname[20];
+ struct sockaddr_in6 sap;
+ int plen, scope, dad_status, if_idx;
+ char addr6p[8][5];
+
+ f = fopen_for_read(_PATH_PROCNET_IFINET6);
+ if (f == NULL)
+ return;
+
+ while (fscanf
+ (f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n",
+ addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4],
+ addr6p[5], addr6p[6], addr6p[7], &if_idx, &plen, &scope,
+ &dad_status, devname) != EOF
+ ) {
+ if (!strcmp(devname, ptr->name)) {
+ sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s",
+ addr6p[0], addr6p[1], addr6p[2], addr6p[3],
+ addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
+ inet_pton(AF_INET6, addr6,
+ (struct sockaddr *) &sap.sin6_addr);
+ sap.sin6_family = AF_INET6;
+ printf(" inet6 addr: %s/%d",
+ INET6_sprint((struct sockaddr *) &sap, 1),
+ plen);
+ printf(" Scope:");
+ switch (scope & IPV6_ADDR_SCOPE_MASK) {
+ case 0:
+ puts("Global");
+ break;
+ case IPV6_ADDR_LINKLOCAL:
+ puts("Link");
+ break;
+ case IPV6_ADDR_SITELOCAL:
+ puts("Site");
+ break;
+ case IPV6_ADDR_COMPATv4:
+ puts("Compat");
+ break;
+ case IPV6_ADDR_LOOPBACK:
+ puts("Host");
+ break;
+ default:
+ puts("Unknown");
+ }
+ }
+ }
+ fclose(f);
+}
+#else
+#define ife_print6(a) ((void)0)
+#endif
+
+static void ife_print(struct interface *ptr)
+{
+ const struct aftype *ap;
+ const struct hwtype *hw;
+ int hf;
+ int can_compress = 0;
+
+ ap = get_afntype(ptr->addr.sa_family);
+ if (ap == NULL)
+ ap = get_afntype(0);
+
+ hf = ptr->type;
+
+ if (hf == ARPHRD_CSLIP || hf == ARPHRD_CSLIP6)
+ can_compress = 1;
+
+ hw = get_hwntype(hf);
+ if (hw == NULL)
+ hw = get_hwntype(-1);
+
+ printf("%-9s Link encap:%s ", ptr->name, hw->title);
+ /* For some hardware types (eg Ash, ATM) we don't print the
+ hardware address if it's null. */
+ if (hw->print != NULL
+ && !(hw_null_address(hw, ptr->hwaddr) && hw->suppress_null_addr)
+ ) {
+ printf("HWaddr %s ", hw->print((unsigned char *)ptr->hwaddr));
+ }
+#ifdef IFF_PORTSEL
+ if (ptr->flags & IFF_PORTSEL) {
+ printf("Media:%s", if_port_text[ptr->map.port] /* [0] */);
+ if (ptr->flags & IFF_AUTOMEDIA)
+ printf("(auto)");
+ }
+#endif
+ bb_putchar('\n');
+
+ if (ptr->has_ip) {
+ printf(" %s addr:%s ", ap->name,
+ ap->sprint(&ptr->addr, 1));
+ if (ptr->flags & IFF_POINTOPOINT) {
+ printf(" P-t-P:%s ", ap->sprint(&ptr->dstaddr, 1));
+ }
+ if (ptr->flags & IFF_BROADCAST) {
+ printf(" Bcast:%s ", ap->sprint(&ptr->broadaddr, 1));
+ }
+ printf(" Mask:%s\n", ap->sprint(&ptr->netmask, 1));
+ }
+
+ ife_print6(ptr);
+
+ printf(" ");
+ /* DONT FORGET TO ADD THE FLAGS IN ife_print_short, too */
+
+ if (ptr->flags == 0) {
+ printf("[NO FLAGS] ");
+ } else {
+ static const char ife_print_flags_strs[] ALIGN1 =
+ "UP\0"
+ "BROADCAST\0"
+ "DEBUG\0"
+ "LOOPBACK\0"
+ "POINTOPOINT\0"
+ "NOTRAILERS\0"
+ "RUNNING\0"
+ "NOARP\0"
+ "PROMISC\0"
+ "ALLMULTI\0"
+ "SLAVE\0"
+ "MASTER\0"
+ "MULTICAST\0"
+#ifdef HAVE_DYNAMIC
+ "DYNAMIC\0"
+#endif
+ ;
+ static const unsigned short ife_print_flags_mask[] ALIGN2 = {
+ IFF_UP,
+ IFF_BROADCAST,
+ IFF_DEBUG,
+ IFF_LOOPBACK,
+ IFF_POINTOPOINT,
+ IFF_NOTRAILERS,
+ IFF_RUNNING,
+ IFF_NOARP,
+ IFF_PROMISC,
+ IFF_ALLMULTI,
+ IFF_SLAVE,
+ IFF_MASTER,
+ IFF_MULTICAST
+#ifdef HAVE_DYNAMIC
+ ,IFF_DYNAMIC
+#endif
+ };
+ const unsigned short *mask = ife_print_flags_mask;
+ const char *str = ife_print_flags_strs;
+ do {
+ if (ptr->flags & *mask) {
+ printf("%s ", str);
+ }
+ mask++;
+ str += strlen(str) + 1;
+ } while (*str);
+ }
+
+ /* DONT FORGET TO ADD THE FLAGS IN ife_print_short */
+ printf(" MTU:%d Metric:%d", ptr->mtu, ptr->metric ? ptr->metric : 1);
+#ifdef SIOCSKEEPALIVE
+ if (ptr->outfill || ptr->keepalive)
+ printf(" Outfill:%d Keepalive:%d", ptr->outfill, ptr->keepalive);
+#endif
+ bb_putchar('\n');
+
+ /* If needed, display the interface statistics. */
+
+ if (ptr->statistics_valid) {
+ /* XXX: statistics are currently only printed for the primary address,
+ * not for the aliases, although strictly speaking they're shared
+ * by all addresses.
+ */
+ printf(" ");
+
+ printf("RX packets:%llu errors:%lu dropped:%lu overruns:%lu frame:%lu\n",
+ ptr->stats.rx_packets, ptr->stats.rx_errors,
+ ptr->stats.rx_dropped, ptr->stats.rx_fifo_errors,
+ ptr->stats.rx_frame_errors);
+ if (can_compress)
+ printf(" compressed:%lu\n",
+ ptr->stats.rx_compressed);
+ printf(" ");
+ printf("TX packets:%llu errors:%lu dropped:%lu overruns:%lu carrier:%lu\n",
+ ptr->stats.tx_packets, ptr->stats.tx_errors,
+ ptr->stats.tx_dropped, ptr->stats.tx_fifo_errors,
+ ptr->stats.tx_carrier_errors);
+ printf(" collisions:%lu ", ptr->stats.collisions);
+ if (can_compress)
+ printf("compressed:%lu ", ptr->stats.tx_compressed);
+ if (ptr->tx_queue_len != -1)
+ printf("txqueuelen:%d ", ptr->tx_queue_len);
+ printf("\n R");
+ print_bytes_scaled(ptr->stats.rx_bytes, " T");
+ print_bytes_scaled(ptr->stats.tx_bytes, "\n");
+ }
+
+ if (ptr->map.irq || ptr->map.mem_start
+ || ptr->map.dma || ptr->map.base_addr
+ ) {
+ printf(" ");
+ if (ptr->map.irq)
+ printf("Interrupt:%d ", ptr->map.irq);
+ if (ptr->map.base_addr >= 0x100) /* Only print devices using it for I/O maps */
+ printf("Base address:0x%lx ",
+ (unsigned long) ptr->map.base_addr);
+ if (ptr->map.mem_start) {
+ printf("Memory:%lx-%lx ", ptr->map.mem_start,
+ ptr->map.mem_end);
+ }
+ if (ptr->map.dma)
+ printf("DMA chan:%x ", ptr->map.dma);
+ bb_putchar('\n');
+ }
+ bb_putchar('\n');
+}
+
+static int do_if_print(struct interface *ife) /*, int *opt_a)*/
+{
+ int res;
+
+ res = do_if_fetch(ife);
+ if (res >= 0) {
+ if ((ife->flags & IFF_UP) || interface_opt_a)
+ ife_print(ife);
+ }
+ return res;
+}
+
+static struct interface *lookup_interface(char *name)
+{
+ struct interface *ife = NULL;
+
+ if (if_readlist_proc(name) < 0)
+ return NULL;
+ ife = add_interface(name);
+ return ife;
+}
+
+#ifdef UNUSED
+static int for_all_interfaces(int (*doit) (struct interface *, void *),
+ void *cookie)
+{
+ struct interface *ife;
+
+ if (!int_list && (if_readlist() < 0))
+ return -1;
+ for (ife = int_list; ife; ife = ife->next) {
+ int err = doit(ife, cookie);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+#endif
+
+/* for ipv4 add/del modes */
+static int if_print(char *ifname)
+{
+ struct interface *ife;
+ int res;
+
+ if (!ifname) {
+ /*res = for_all_interfaces(do_if_print, &interface_opt_a);*/
+ if (!int_list && (if_readlist() < 0))
+ return -1;
+ for (ife = int_list; ife; ife = ife->next) {
+ int err = do_if_print(ife); /*, &interface_opt_a);*/
+ if (err)
+ return err;
+ }
+ return 0;
+ }
+ ife = lookup_interface(ifname);
+ res = do_if_fetch(ife);
+ if (res >= 0)
+ ife_print(ife);
+ return res;
+}
+
+#if ENABLE_FEATURE_HWIB
+/* Input an Infiniband address and convert to binary. */
+int FAST_FUNC in_ib(const char *bufp, struct sockaddr *sap)
+{
+ sap->sa_family = ib_hwtype.type;
+//TODO: error check?
+ hex2bin((char*)sap->sa_data, bufp, INFINIBAND_ALEN);
+# ifdef HWIB_DEBUG
+ fprintf(stderr, "in_ib(%s): %s\n", bufp, UNSPEC_print(sap->sa_data));
+# endif
+ return 0;
+}
+#endif
+
+int FAST_FUNC display_interfaces(char *ifname)
+{
+ int status;
+
+ status = if_print(ifname);
+
+ return (status < 0); /* status < 0 == 1 -- error */
+}