diff options
| -rw-r--r-- | package/network/utils/maccalc/Makefile | 43 | ||||
| -rw-r--r-- | package/network/utils/maccalc/src/Makefile | 14 | ||||
| -rw-r--r-- | package/network/utils/maccalc/src/main.c | 256 |
3 files changed, 0 insertions, 313 deletions
diff --git a/package/network/utils/maccalc/Makefile b/package/network/utils/maccalc/Makefile deleted file mode 100644 index dc11b6b7c1..0000000000 --- a/package/network/utils/maccalc/Makefile +++ /dev/null @@ -1,43 +0,0 @@ -# -# Copyright (C) 2011 OpenWrt.org -# -# This is free software, licensed under the GNU General Public License v2. -# See /LICENSE for more information. -# - -include $(TOPDIR)/rules.mk - -PKG_NAME:=maccalc -PKG_RELEASE:=1 -PKG_LICENSE:=GPL-2.0 - -PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME) - -include $(INCLUDE_DIR)/package.mk - -define Package/maccalc - SECTION:=utils - CATEGORY:=Utilities - TITLE:=MAC address calculation -endef - -define Package/maccalc/description - This package contains a MAC address manipulation utility. -endef - -define Build/Configure -endef - -define Build/Compile - $(MAKE) -C $(PKG_BUILD_DIR) \ - CC="$(TARGET_CC)" \ - CFLAGS="$(TARGET_CFLAGS) -Wall" \ - LDFLAGS="$(TARGET_LDFLAGS)" -endef - -define Package/maccalc/install - $(INSTALL_DIR) $(1)/usr/sbin - $(INSTALL_BIN) $(PKG_BUILD_DIR)/maccalc $(1)/usr/sbin/ -endef - -$(eval $(call BuildPackage,maccalc)) diff --git a/package/network/utils/maccalc/src/Makefile b/package/network/utils/maccalc/src/Makefile deleted file mode 100644 index 486badb256..0000000000 --- a/package/network/utils/maccalc/src/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -CC = gcc -CFLAGS = -Wall -OBJS = main.o - -all: maccalc - -%.o: %.c - $(CC) $(CFLAGS) -c -o $@ $< - -maccalc: $(OBJS) - $(CC) -o $@ $(OBJS) - -clean: - rm -f maccalc *.o diff --git a/package/network/utils/maccalc/src/main.c b/package/network/utils/maccalc/src/main.c deleted file mode 100644 index dcb5f55c55..0000000000 --- a/package/network/utils/maccalc/src/main.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * MAC address manupulation utility - * - * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - */ - -#include <errno.h> -#include <stdlib.h> -#include <stdio.h> -#include <stdint.h> -#include <string.h> -#include <unistd.h> - -#define MAC_ADDRESS_LEN 6 - -#define ERR_INVALID 1 -#define ERR_IO 2 - -static void usage(void); - -char *maccalc_name; - -static int parse_mac(const char *mac_str, unsigned char *buf) -{ - int t; - - t = sscanf(mac_str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", - &buf[0], &buf[1], &buf[2], &buf[3], &buf[4], &buf[5]); - - if (t != MAC_ADDRESS_LEN) - return ERR_INVALID; - - return 0; -} - -static void print_mac(unsigned char *buf) -{ - printf("%02x:%02x:%02x:%02x:%02x:%02x\n", - buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]); -} - -static int maccalc_do_add(int argc, const char *argv[]) -{ - unsigned char mac[MAC_ADDRESS_LEN]; - uint32_t t; - int err; - int i; - - if (argc != 2) { - usage(); - return ERR_INVALID; - } - - err = parse_mac(argv[0], mac); - if (err) - return err; - - i = atoi(argv[1]); - - t = (mac[3] << 16) | (mac[4] << 8) | mac[5]; - t += i; - mac[3] = (t >> 16) & 0xff; - mac[4] = (t >> 8) & 0xff; - mac[5] = t & 0xff; - - print_mac(mac); - return 0; -} - -static int maccalc_do_logical(int argc, const char *argv[], - unsigned char (*op)(unsigned char n1, - unsigned char n2)) -{ - unsigned char mac1[MAC_ADDRESS_LEN]; - unsigned char mac2[MAC_ADDRESS_LEN]; - int err; - int i; - - if (argc != 2) { - usage(); - return ERR_INVALID; - } - - err = parse_mac(argv[0], mac1); - if (err) - return err; - - err = parse_mac(argv[1], mac2); - if (err) - return err; - - for (i = 0; i < MAC_ADDRESS_LEN; i++) - mac1[i] = op(mac1[i],mac2[i]); - - print_mac(mac1); - return 0; -} - -static int maccalc_do_mac2bin(int argc, const char *argv[]) -{ - unsigned char mac[MAC_ADDRESS_LEN]; - ssize_t c; - int err; - - if (argc != 1) { - usage(); - return ERR_INVALID; - } - - err = parse_mac(argv[0], mac); - if (err) - return err; - - c = write(STDOUT_FILENO, mac, sizeof(mac)); - if (c != sizeof(mac)) { - fprintf(stderr, "failed to write to stdout\n"); - return ERR_IO; - } - - return 0; -} - -static ssize_t read_safe(int fd, void *buf, size_t count) -{ - ssize_t total = 0; - ssize_t r; - - while(count > 0) { - r = read(fd, buf, count); - if (r == 0) - /* EOF */ - break; - if (r < 0) { - if (errno == EINTR) - /* interrupted by a signal, restart */ - continue; - /* error */ - total = -1; - break; - } - - /* ok */ - total += r; - count -= r; - buf += r; - } - - return total; -} - -static int maccalc_do_bin2mac(int argc, const char *argv[]) -{ - unsigned char mac[MAC_ADDRESS_LEN]; - ssize_t c; - - if (argc != 0) { - usage(); - return ERR_INVALID; - } - - c = read_safe(STDIN_FILENO, mac, sizeof(mac)); - if (c != sizeof(mac)) { - fprintf(stderr, "failed to read from stdin\n"); - return ERR_IO; - } - - print_mac(mac); - return 0; -} - -static unsigned char op_or(unsigned char n1, unsigned char n2) -{ - return n1 | n2; -} - -static int maccalc_do_or(int argc, const char *argv[]) -{ - return maccalc_do_logical(argc, argv, op_or); -} - -static unsigned char op_and(unsigned char n1, unsigned char n2) -{ - return n1 & n2; -} - -static int maccalc_do_and(int argc, const char *argv[]) -{ - return maccalc_do_logical(argc, argv, op_and); -} - -static unsigned char op_xor(unsigned char n1, unsigned char n2) -{ - return n1 ^ n2; -} - -static int maccalc_do_xor(int argc, const char *argv[]) -{ - return maccalc_do_logical(argc, argv, op_xor); -} - -static void usage(void) -{ - fprintf(stderr, - "Usage: %s <command>\n" - "valid commands:\n" - " add <mac> <number>\n" - " and|or|xor <mac1> <mac2>\n" - " mac2bin <mac>\n" - " bin2mac\n", - maccalc_name); -} - -int main(int argc, const char *argv[]) -{ - int (*op)(int argc, const char *argv[]); - int ret; - - maccalc_name = (char *) argv[0]; - - if (argc < 2) { - usage(); - return EXIT_FAILURE; - } - - if (strcmp(argv[1], "add") == 0) { - op = maccalc_do_add; - } else if (strcmp(argv[1], "and") == 0) { - op = maccalc_do_and; - } else if (strcmp(argv[1], "or") == 0) { - op = maccalc_do_or; - } else if (strcmp(argv[1], "xor") == 0) { - op = maccalc_do_xor; - } else if (strcmp(argv[1], "mac2bin") == 0) { - op = maccalc_do_mac2bin; - } else if (strcmp(argv[1], "bin2mac") == 0) { - op = maccalc_do_bin2mac; - } else { - fprintf(stderr, "unknown command '%s'\n", argv[1]); - usage(); - return EXIT_FAILURE; - } - - argc -= 2; - argv += 2; - - ret = op(argc, argv); - if (ret) - return EXIT_FAILURE; - - return EXIT_SUCCESS; -} |