[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/nameif.c b/ap/app/busybox/src/networking/nameif.c
new file mode 100644
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+++ b/ap/app/busybox/src/networking/nameif.c
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+/* vi: set sw=4 ts=4: */
+/*
+ * nameif.c - Naming Interfaces based on MAC address for busybox.
+ *
+ * Written 2000 by Andi Kleen.
+ * Busybox port 2002 by Nick Fedchik <nick@fedchik.org.ua>
+ * Glenn McGrath
+ * Extended matching support 2008 by Nico Erfurth <masta@perlgolf.de>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+//config:config NAMEIF
+//config: bool "nameif"
+//config: default y
+//config: select PLATFORM_LINUX
+//config: select FEATURE_SYSLOG
+//config: help
+//config: nameif is used to rename network interface by its MAC address.
+//config: Renamed interfaces MUST be in the down state.
+//config: It is possible to use a file (default: /etc/mactab)
+//config: with list of new interface names and MACs.
+//config: Maximum interface name length: IFNAMSIZ = 16
+//config: File fields are separated by space or tab.
+//config: File format:
+//config: # Comment
+//config: new_interface_name XX:XX:XX:XX:XX:XX
+//config:
+//config:config FEATURE_NAMEIF_EXTENDED
+//config: bool "Extended nameif"
+//config: default y
+//config: depends on NAMEIF
+//config: help
+//config: This extends the nameif syntax to support the bus_info, driver,
+//config: phyaddr selectors. The syntax is compatible to the normal nameif.
+//config: File format:
+//config: new_interface_name driver=asix bus=usb-0000:00:08.2-3
+//config: new_interface_name bus=usb-0000:00:08.2-3 00:80:C8:38:91:B5
+//config: new_interface_name phy_address=2 00:80:C8:38:91:B5
+//config: new_interface_name mac=00:80:C8:38:91:B5
+//config: new_interface_name 00:80:C8:38:91:B5
+
+//usage:#define nameif_trivial_usage
+//usage: IF_NOT_FEATURE_NAMEIF_EXTENDED(
+//usage: "[-s] [-c FILE] [IFNAME HWADDR]..."
+//usage: )
+//usage: IF_FEATURE_NAMEIF_EXTENDED(
+//usage: "[-s] [-c FILE] [IFNAME SELECTOR]..."
+//usage: )
+//usage:#define nameif_full_usage "\n\n"
+//usage: "Rename network interface while it in the down state."
+//usage: IF_NOT_FEATURE_NAMEIF_EXTENDED(
+//usage: "\nThe device with address HWADDR is renamed to IFACE."
+//usage: )
+//usage: IF_FEATURE_NAMEIF_EXTENDED(
+//usage: "\nThe device matched by SELECTOR is renamed to IFACE."
+//usage: "\nSELECTOR can be a combination of:"
+//usage: "\n driver=STRING"
+//usage: "\n bus=STRING"
+//usage: "\n phy_address=NUM"
+//usage: "\n [mac=]XX:XX:XX:XX:XX:XX"
+//usage: )
+//usage: "\n"
+//usage: "\n -c FILE Configuration file (default: /etc/mactab)"
+//usage: "\n -s Log to syslog"
+//usage:
+//usage:#define nameif_example_usage
+//usage: "$ nameif -s dmz0 00:A0:C9:8C:F6:3F\n"
+//usage: " or\n"
+//usage: "$ nameif -c /etc/my_mactab_file\n"
+
+#include "libbb.h"
+#include <syslog.h>
+#include <net/if.h>
+#include <netinet/ether.h>
+#include <linux/sockios.h>
+
+#ifndef IFNAMSIZ
+#define IFNAMSIZ 16
+#endif
+
+/* Taken from linux/sockios.h */
+#define SIOCSIFNAME 0x8923 /* set interface name */
+
+/* Octets in one Ethernet addr, from <linux/if_ether.h> */
+#define ETH_ALEN 6
+
+#ifndef ifr_newname
+#define ifr_newname ifr_ifru.ifru_slave
+#endif
+
+typedef struct ethtable_s {
+ struct ethtable_s *next;
+ struct ethtable_s *prev;
+ char *ifname;
+ struct ether_addr *mac;
+#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ char *bus_info;
+ char *driver;
+ int32_t phy_address;
+#endif
+} ethtable_t;
+
+#if ENABLE_FEATURE_NAMEIF_EXTENDED
+/* Cut'n'paste from ethtool.h */
+#define ETHTOOL_BUSINFO_LEN 32
+/* these strings are set to whatever the driver author decides... */
+struct ethtool_drvinfo {
+ uint32_t cmd;
+ char driver[32]; /* driver short name, "tulip", "eepro100" */
+ char version[32]; /* driver version string */
+ char fw_version[32]; /* firmware version string, if applicable */
+ char bus_info[ETHTOOL_BUSINFO_LEN]; /* Bus info for this IF. */
+ /* For PCI devices, use pci_dev->slot_name. */
+ char reserved1[32];
+ char reserved2[16];
+ uint32_t n_stats; /* number of u64's from ETHTOOL_GSTATS */
+ uint32_t testinfo_len;
+ uint32_t eedump_len; /* Size of data from ETHTOOL_GEEPROM (bytes) */
+ uint32_t regdump_len; /* Size of data from ETHTOOL_GREGS (bytes) */
+};
+
+struct ethtool_cmd {
+ uint32_t cmd;
+ uint32_t supported; /* Features this interface supports */
+ uint32_t advertising; /* Features this interface advertises */
+ uint16_t speed; /* The forced speed, 10Mb, 100Mb, gigabit */
+ uint8_t duplex; /* Duplex, half or full */
+ uint8_t port; /* Which connector port */
+ uint8_t phy_address;
+ uint8_t transceiver; /* Which transceiver to use */
+ uint8_t autoneg; /* Enable or disable autonegotiation */
+ uint32_t maxtxpkt; /* Tx pkts before generating tx int */
+ uint32_t maxrxpkt; /* Rx pkts before generating rx int */
+ uint16_t speed_hi;
+ uint16_t reserved2;
+ uint32_t reserved[3];
+};
+
+#define ETHTOOL_GSET 0x00000001 /* Get settings. */
+#define ETHTOOL_GDRVINFO 0x00000003 /* Get driver info. */
+#endif
+
+
+static void nameif_parse_selector(ethtable_t *ch, char *selector)
+{
+ struct ether_addr *lmac;
+#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ int found_selector = 0;
+
+ while (*selector) {
+ char *next;
+#endif
+ selector = skip_whitespace(selector);
+#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ ch->phy_address = -1;
+ if (*selector == '\0')
+ break;
+ /* Search for the end .... */
+ next = skip_non_whitespace(selector);
+ if (*next)
+ *next++ = '\0';
+ /* Check for selectors, mac= is assumed */
+ if (strncmp(selector, "bus=", 4) == 0) {
+ ch->bus_info = xstrdup(selector + 4);
+ found_selector++;
+ } else if (strncmp(selector, "driver=", 7) == 0) {
+ ch->driver = xstrdup(selector + 7);
+ found_selector++;
+ } else if (strncmp(selector, "phyaddr=", 8) == 0) {
+ ch->phy_address = xatoi_positive(selector + 8);
+ found_selector++;
+ } else {
+#endif
+ lmac = xmalloc(ETH_ALEN);
+ ch->mac = ether_aton_r(selector + (strncmp(selector, "mac=", 4) != 0 ? 0 : 4), lmac);
+ if (ch->mac == NULL)
+ bb_error_msg_and_die("can't parse %s", selector);
+#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ found_selector++;
+ };
+ selector = next;
+ }
+ if (found_selector == 0)
+ bb_error_msg_and_die("no selectors found for %s", ch->ifname);
+#endif
+}
+
+static void prepend_new_eth_table(ethtable_t **clist, char *ifname, char *selector)
+{
+ ethtable_t *ch;
+ if (strlen(ifname) >= IFNAMSIZ)
+ bb_error_msg_and_die("interface name '%s' too long", ifname);
+ ch = xzalloc(sizeof(*ch));
+ ch->ifname = xstrdup(ifname);
+ nameif_parse_selector(ch, selector);
+ ch->next = *clist;
+ if (*clist)
+ (*clist)->prev = ch;
+ *clist = ch;
+}
+
+#if ENABLE_FEATURE_CLEAN_UP
+static void delete_eth_table(ethtable_t *ch)
+{
+ free(ch->ifname);
+#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ free(ch->bus_info);
+ free(ch->driver);
+#endif
+ free(ch->mac);
+ free(ch);
+};
+#else
+void delete_eth_table(ethtable_t *ch);
+#endif
+
+int nameif_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int nameif_main(int argc UNUSED_PARAM, char **argv)
+{
+ ethtable_t *clist = NULL;
+ const char *fname = "/etc/mactab";
+ int ctl_sk;
+ ethtable_t *ch;
+ parser_t *parser;
+ char *token[2];
+
+ if (1 & getopt32(argv, "sc:", &fname)) {
+ openlog(applet_name, 0, LOG_LOCAL0);
+ /* Why not just "="? I assume logging to stderr
+ * can't hurt. 2>/dev/null if you don't like it: */
+ logmode |= LOGMODE_SYSLOG;
+ }
+ argv += optind;
+
+ if (argv[0]) {
+ do {
+ if (!argv[1])
+ bb_show_usage();
+ prepend_new_eth_table(&clist, argv[0], argv[1]);
+ argv += 2;
+ } while (*argv);
+ } else {
+ parser = config_open(fname);
+ while (config_read(parser, token, 2, 2, "# \t", PARSE_NORMAL))
+ prepend_new_eth_table(&clist, token[0], token[1]);
+ config_close(parser);
+ }
+
+ ctl_sk = xsocket(PF_INET, SOCK_DGRAM, 0);
+ parser = config_open2("/proc/net/dev", xfopen_for_read);
+
+ while (clist && config_read(parser, token, 2, 2, "\0: \t", PARSE_NORMAL)) {
+ struct ifreq ifr;
+#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ struct ethtool_drvinfo drvinfo;
+ struct ethtool_cmd eth_settings;
+#endif
+ if (parser->lineno <= 2)
+ continue; /* Skip the first two lines */
+
+ /* Find the current interface name and copy it to ifr.ifr_name */
+ memset(&ifr, 0, sizeof(struct ifreq));
+ strncpy_IFNAMSIZ(ifr.ifr_name, token[0]);
+
+#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ /* Check for phy address */
+ memset(ð_settings, 0, sizeof(eth_settings));
+ eth_settings.cmd = ETHTOOL_GSET;
+ ifr.ifr_data = (caddr_t) ð_settings;
+ ioctl(ctl_sk, SIOCETHTOOL, &ifr);
+
+ /* Check for driver etc. */
+ memset(&drvinfo, 0, sizeof(drvinfo));
+ drvinfo.cmd = ETHTOOL_GDRVINFO;
+ ifr.ifr_data = (caddr_t) &drvinfo;
+ /* Get driver and businfo first, so we have it in drvinfo */
+ ioctl(ctl_sk, SIOCETHTOOL, &ifr);
+#endif
+ ioctl(ctl_sk, SIOCGIFHWADDR, &ifr);
+
+ /* Search the list for a matching device */
+ for (ch = clist; ch; ch = ch->next) {
+#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ if (ch->bus_info && strcmp(ch->bus_info, drvinfo.bus_info) != 0)
+ continue;
+ if (ch->driver && strcmp(ch->driver, drvinfo.driver) != 0)
+ continue;
+ if (ch->phy_address != -1 && ch->phy_address != eth_settings.phy_address)
+ continue;
+#endif
+ if (ch->mac && memcmp(ch->mac, ifr.ifr_hwaddr.sa_data, ETH_ALEN) != 0)
+ continue;
+ /* if we came here, all selectors have matched */
+ break;
+ }
+ /* Nothing found for current interface */
+ if (!ch)
+ continue;
+
+ if (strcmp(ifr.ifr_name, ch->ifname) != 0) {
+ strcpy(ifr.ifr_newname, ch->ifname);
+ ioctl_or_perror_and_die(ctl_sk, SIOCSIFNAME, &ifr,
+ "can't change ifname %s to %s",
+ ifr.ifr_name, ch->ifname);
+ }
+ /* Remove list entry of renamed interface */
+ if (ch->prev != NULL)
+ ch->prev->next = ch->next;
+ else
+ clist = ch->next;
+ if (ch->next != NULL)
+ ch->next->prev = ch->prev;
+ if (ENABLE_FEATURE_CLEAN_UP)
+ delete_eth_table(ch);
+ }
+ if (ENABLE_FEATURE_CLEAN_UP) {
+ for (ch = clist; ch; ch = ch->next)
+ delete_eth_table(ch);
+ config_close(parser);
+ };
+
+ return 0;
+}