diff options
Diffstat (limited to 'package/boot/rbcfg')
| -rw-r--r-- | package/boot/rbcfg/Makefile | 49 | ||||
| -rw-r--r-- | package/boot/rbcfg/src/Makefile | 14 | ||||
| -rw-r--r-- | package/boot/rbcfg/src/cyg_crc.h | 109 | ||||
| -rw-r--r-- | package/boot/rbcfg/src/cyg_crc32.c | 172 | ||||
| -rw-r--r-- | package/boot/rbcfg/src/main.c | 791 | ||||
| -rw-r--r-- | package/boot/rbcfg/src/rbcfg.h | 75 |
6 files changed, 1210 insertions, 0 deletions
diff --git a/package/boot/rbcfg/Makefile b/package/boot/rbcfg/Makefile new file mode 100644 index 0000000..51fefd5 --- /dev/null +++ b/package/boot/rbcfg/Makefile @@ -0,0 +1,49 @@ +# +# Copyright (C) 2010 Gabor Juhos <juhosg@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:=rbcfg +PKG_RELEASE:=1 + +PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME) + +include $(INCLUDE_DIR)/package.mk + +define Package/rbcfg + SECTION:=utils + CATEGORY:=Utilities + TITLE:=RouterBOOT configuration tool + DEPENDS:=@TARGET_ar71xx +endef + +define Package/rbcfg/description + This package contains an utility to manipulate RouterBOOT configuration on the + MikroTIK RB-4XX devices. +endef + +define Build/Prepare + mkdir -p $(PKG_BUILD_DIR) + $(CP) ./src/* $(PKG_BUILD_DIR)/ +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/rbcfg/install + $(INSTALL_DIR) $(1)/usr/sbin + $(INSTALL_BIN) $(PKG_BUILD_DIR)/rbcfg $(1)/usr/sbin/ +endef + +$(eval $(call BuildPackage,rbcfg)) diff --git a/package/boot/rbcfg/src/Makefile b/package/boot/rbcfg/src/Makefile new file mode 100644 index 0000000..62c74b2 --- /dev/null +++ b/package/boot/rbcfg/src/Makefile @@ -0,0 +1,14 @@ +CC = gcc +CFLAGS = -Wall +OBJS = main.o cyg_crc32.o + +all: rbcfg + +%.o: %.c + $(CC) $(CFLAGS) -c -o $@ $< + +rbcfg: $(OBJS) + $(CC) -o $@ $(OBJS) + +clean: + rm -f rbcfg *.o diff --git a/package/boot/rbcfg/src/cyg_crc.h b/package/boot/rbcfg/src/cyg_crc.h new file mode 100644 index 0000000..7b59803 --- /dev/null +++ b/package/boot/rbcfg/src/cyg_crc.h @@ -0,0 +1,109 @@ +//========================================================================== +// +// crc.h +// +// Interface for the CRC algorithms. +// +//========================================================================== +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 2002 Andrew Lunn +// +// eCos 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 or (at your option) any later version. +// +// eCos is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or +// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +// for more details. +// +// You should have received a copy of the GNU General Public License along +// with eCos; if not, write to the Free Software Foundation, Inc., +// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. +// +// As a special exception, if other files instantiate templates or use macros +// or inline functions from this file, or you compile this file and link it +// with other works to produce a work based on this file, this file does not +// by itself cause the resulting work to be covered by the GNU General Public +// License. However the source code for this file must still be made available +// in accordance with section (3) of the GNU General Public License. +// +// This exception does not invalidate any other reasons why a work based on +// this file might be covered by the GNU General Public License. +// +// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. +// at http://sources.redhat.com/ecos/ecos-license/ +// ------------------------------------------- +//####ECOSGPLCOPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): Andrew Lunn +// Contributors: Andrew Lunn +// Date: 2002-08-06 +// Purpose: +// Description: +// +// This code is part of eCos (tm). +// +//####DESCRIPTIONEND#### +// +//========================================================================== + +#ifndef _SERVICES_CRC_CRC_H_ +#define _SERVICES_CRC_CRC_H_ + +#if 0 +#include <cyg/infra/cyg_type.h> +#else +#include <stdint.h> +typedef uint32_t cyg_uint32; +typedef uint16_t cyg_uint16; +#endif + +#ifndef __externC +# ifdef __cplusplus +# define __externC extern "C" +# else +# define __externC extern +# endif +#endif + +// Compute a CRC, using the POSIX 1003 definition + +__externC cyg_uint32 +cyg_posix_crc32(unsigned char *s, int len); + +// Gary S. Brown's 32 bit CRC + +__externC cyg_uint32 +cyg_crc32(unsigned char *s, int len); + +// Gary S. Brown's 32 bit CRC, but accumulate the result from a +// previous CRC calculation + +__externC cyg_uint32 +cyg_crc32_accumulate(cyg_uint32 crc, unsigned char *s, int len); + +// Ethernet FCS Algorithm + +__externC cyg_uint32 +cyg_ether_crc32(unsigned char *s, int len); + +// Ethernet FCS algorithm, but accumulate the result from a previous +// CRC calculation. + +__externC cyg_uint32 +cyg_ether_crc32_accumulate(cyg_uint32 crc, unsigned char *s, int len); + +// 16 bit CRC with polynomial x^16+x^12+x^5+1 + +__externC cyg_uint16 +cyg_crc16(unsigned char *s, int len); + +#endif // _SERVICES_CRC_CRC_H_ + + + diff --git a/package/boot/rbcfg/src/cyg_crc32.c b/package/boot/rbcfg/src/cyg_crc32.c new file mode 100644 index 0000000..9462598 --- /dev/null +++ b/package/boot/rbcfg/src/cyg_crc32.c @@ -0,0 +1,172 @@ +//========================================================================== +// +// crc32.c +// +// Gary S. Brown's 32 bit CRC +// +//========================================================================== +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// Copyright (C) 2002 Gary Thomas +// +// eCos 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 or (at your option) any later version. +// +// eCos is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or +// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +// for more details. +// +// You should have received a copy of the GNU General Public License along +// with eCos; if not, write to the Free Software Foundation, Inc., +// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. +// +// As a special exception, if other files instantiate templates or use macros +// or inline functions from this file, or you compile this file and link it +// with other works to produce a work based on this file, this file does not +// by itself cause the resulting work to be covered by the GNU General Public +// License. However the source code for this file must still be made available +// in accordance with section (3) of the GNU General Public License. +// +// This exception does not invalidate any other reasons why a work based on +// this file might be covered by the GNU General Public License. +// +// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. +// at http://sources.redhat.com/ecos/ecos-license/ +// ------------------------------------------- +//####ECOSGPLCOPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): gthomas +// Contributors: gthomas,asl +// Date: 2001-01-31 +// Purpose: +// Description: +// +// This code is part of eCos (tm). +// +//####DESCRIPTIONEND#### +// +//========================================================================== + +#if 0 +#include <cyg/crc/crc.h> +#else +#include "cyg_crc.h" +#endif + + /* ====================================================================== */ + /* COPYRIGHT (C) 1986 Gary S. Brown. You may use this program, or */ + /* code or tables extracted from it, as desired without restriction. */ + /* */ + /* First, the polynomial itself and its table of feedback terms. The */ + /* polynomial is */ + /* X^32+X^26+X^23+X^22+X^16+X^12+X^11+X^10+X^8+X^7+X^5+X^4+X^2+X^1+X^0 */ + /* */ + /* ====================================================================== */ + +static const cyg_uint32 crc32_tab[] = { + 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, + 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, + 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, + 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, + 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, + 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, + 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, + 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, + 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, + 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, + 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, + 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, + 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, + 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, + 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, + 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, + 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, + 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, + 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, + 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, + 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, + 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, + 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, + 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, + 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, + 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, + 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, + 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, + 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, + 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, + 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, + 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, + 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, + 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, + 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, + 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, + 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, + 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, + 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, + 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, + 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, + 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, + 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, + 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, + 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, + 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, + 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, + 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, + 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, + 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, + 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, + 0x2d02ef8dL + }; + +/* This is the standard Gary S. Brown's 32 bit CRC algorithm, but + accumulate the CRC into the result of a previous CRC. */ +cyg_uint32 +cyg_crc32_accumulate(cyg_uint32 crc32val, unsigned char *s, int len) +{ + int i; + + for (i = 0; i < len; i++) { + crc32val = crc32_tab[(crc32val ^ s[i]) & 0xff] ^ (crc32val >> 8); + } + return crc32val; +} + +/* This is the standard Gary S. Brown's 32 bit CRC algorithm */ +cyg_uint32 +cyg_crc32(unsigned char *s, int len) +{ + return (cyg_crc32_accumulate(0,s,len)); +} + +/* Return a 32-bit CRC of the contents of the buffer accumulating the + result from a previous CRC calculation. This uses the Ethernet FCS + algorithm.*/ +cyg_uint32 +cyg_ether_crc32_accumulate(cyg_uint32 crc32val, unsigned char *s, int len) +{ + int i; + + if (s == 0) return 0L; + + crc32val = crc32val ^ 0xffffffff; + for (i = 0; i < len; i++) { + crc32val = crc32_tab[(crc32val ^ s[i]) & 0xff] ^ (crc32val >> 8); + } + return crc32val ^ 0xffffffff; +} + +/* Return a 32-bit CRC of the contents of the buffer, using the + Ethernet FCS algorithm. */ +cyg_uint32 +cyg_ether_crc32(unsigned char *s, int len) +{ + return cyg_ether_crc32_accumulate(0,s,len); +} + + diff --git a/package/boot/rbcfg/src/main.c b/package/boot/rbcfg/src/main.c new file mode 100644 index 0000000..b7cf79f --- /dev/null +++ b/package/boot/rbcfg/src/main.c @@ -0,0 +1,791 @@ +/* + * RouterBOOT configuration utility + * + * Copyright (C) 2010 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 <stdlib.h> +#include <stdio.h> +#include <stddef.h> +#include <stdint.h> +#include <string.h> +#include <fcntl.h> +#include <unistd.h> +#include <sys/stat.h> +#include <linux/limits.h> + +#include "rbcfg.h" +#include "cyg_crc.h" + +#define RBCFG_TMP_FILE "/tmp/.rbcfg" +#define RBCFG_MTD_NAME "soft_config" + +#define RB_ERR_NOTFOUND 1 +#define RB_ERR_INVALID 2 +#define RB_ERR_NOMEM 3 +#define RB_ERR_IO 4 + +#define ARRAY_SIZE(_a) (sizeof((_a)) / sizeof((_a)[0])) + +struct rbcfg_ctx { + char *mtd_device; + char *tmp_file; + char *buf; + unsigned buflen; +}; + +struct rbcfg_value { + const char *name; + const char *desc; + union { + uint32_t u32; + const char *raw; + } val; +}; + +#define RBCFG_ENV_TYPE_U32 0 + +struct rbcfg_env { + const char *name; + int type; + uint16_t id; + const struct rbcfg_value *values; + int num_values; +}; + +#define CMD_FLAG_USES_CFG 0x01 + +struct rbcfg_command { + const char *command; + const char *usage; + int flags; + int (*exec)(int argc, const char *argv[]); +}; + +static void usage(void); + +/* Globals */ + +static struct rbcfg_ctx *rbcfg_ctx; +static char *rbcfg_name; + +#define CFG_U32(_name, _desc, _val) { \ + .name = (_name), \ + .desc = (_desc), \ + .val.u32 = (_val), \ +} + +static const struct rbcfg_value rbcfg_boot_delay[] = { + CFG_U32("1", "1 second", RB_BOOT_DELAY_1SEC), + CFG_U32("2", "2 seconds", RB_BOOT_DELAY_2SEC), + CFG_U32("3", "3 seconds", RB_BOOT_DELAY_3SEC), + CFG_U32("4", "4 seconds", RB_BOOT_DELAY_4SEC), + CFG_U32("5", "5 seconds", RB_BOOT_DELAY_5SEC), + CFG_U32("6", "6 seconds", RB_BOOT_DELAY_6SEC), + CFG_U32("7", "7 seconds", RB_BOOT_DELAY_7SEC), + CFG_U32("8", "8 seconds", RB_BOOT_DELAY_8SEC), + CFG_U32("9", "9 seconds", RB_BOOT_DELAY_9SEC), +}; + +static const struct rbcfg_value rbcfg_boot_device[] = { + CFG_U32("eth", "boot over Ethernet", + RB_BOOT_DEVICE_ETHER), + CFG_U32("nandeth", "boot from NAND, if fail then Ethernet", + RB_BOOT_DEVICE_NANDETH), + CFG_U32("ethnand", "boot Ethernet once, then NAND", + RB_BOOT_DEVICE_ETHONCE), + CFG_U32("nand", "boot from NAND only", + RB_BOOT_DEVICE_NANDONLY), +}; + +static const struct rbcfg_value rbcfg_boot_key[] = { + CFG_U32("any", "any key", RB_BOOT_KEY_ANY), + CFG_U32("del", "<Delete> key only", RB_BOOT_KEY_DEL), +}; + +static const struct rbcfg_value rbcfg_boot_protocol[] = { + CFG_U32("bootp", "BOOTP protocol", RB_BOOT_PROTOCOL_BOOTP), + CFG_U32("dhcp", "DHCP protocol", RB_BOOT_PROTOCOL_DHCP), +}; + +static const struct rbcfg_value rbcfg_uart_speed[] = { + CFG_U32("115200", "", RB_UART_SPEED_115200), + CFG_U32("57600", "", RB_UART_SPEED_57600), + CFG_U32("38400", "", RB_UART_SPEED_38400), + CFG_U32("19200", "", RB_UART_SPEED_19200), + CFG_U32("9600", "", RB_UART_SPEED_9600), + CFG_U32("4800", "", RB_UART_SPEED_4800), + CFG_U32("2400", "", RB_UART_SPEED_2400), + CFG_U32("1200", "", RB_UART_SPEED_1200), + CFG_U32("off", "disable console output", RB_UART_SPEED_OFF), +}; + +static const struct rbcfg_value rbcfg_cpu_mode[] = { + CFG_U32("powersave", "power save", RB_CPU_MODE_POWERSAVE), + CFG_U32("regular", "regular (better for -0c environment)", + RB_CPU_MODE_REGULAR), +}; + +static const struct rbcfg_value rbcfg_booter[] = { + CFG_U32("regular", "load regular booter", RB_BOOTER_REGULAR), + CFG_U32("backup", "force backup-booter loading", RB_BOOTER_BACKUP), +}; + +static const struct rbcfg_env rbcfg_envs[] = { + { + .name = "boot_delay", + .id = RB_ID_BOOT_DELAY, + .type = RBCFG_ENV_TYPE_U32, + .values = rbcfg_boot_delay, + .num_values = ARRAY_SIZE(rbcfg_boot_delay), + }, { + .name = "boot_device", + .id = RB_ID_BOOT_DEVICE, + .type = RBCFG_ENV_TYPE_U32, + .values = rbcfg_boot_device, + .num_values = ARRAY_SIZE(rbcfg_boot_device), + }, { + .name = "boot_key", + .id = RB_ID_BOOT_KEY, + .type = RBCFG_ENV_TYPE_U32, + .values = rbcfg_boot_key, + .num_values = ARRAY_SIZE(rbcfg_boot_key), + }, { + .name = "boot_protocol", + .id = RB_ID_BOOT_PROTOCOL, + .type = RBCFG_ENV_TYPE_U32, + .values = rbcfg_boot_protocol, + .num_values = ARRAY_SIZE(rbcfg_boot_protocol), + }, { + .name = "booter", + .id = RB_ID_BOOTER, + .type = RBCFG_ENV_TYPE_U32, + .values = rbcfg_booter, + .num_values = ARRAY_SIZE(rbcfg_booter), + }, { + .name = "cpu_mode", + .id = RB_ID_CPU_MODE, + .type = RBCFG_ENV_TYPE_U32, + .values = rbcfg_cpu_mode, + .num_values = ARRAY_SIZE(rbcfg_cpu_mode), + }, { + .name = "uart_speed", + .id = RB_ID_UART_SPEED, + .type = RBCFG_ENV_TYPE_U32, + .values = rbcfg_uart_speed, + .num_values = ARRAY_SIZE(rbcfg_uart_speed), + } +}; + +static inline uint16_t +get_u16(const void *buf) +{ + const uint8_t *p = buf; + + return ((uint16_t) p[1] + ((uint16_t) p[0] << 8)); +} + +static inline uint32_t +get_u32(const void *buf) +{ + const uint8_t *p = buf; + + return ((uint32_t) p[3] + ((uint32_t) p[2] << 8) + + ((uint32_t) p[1] << 16) + ((uint32_t) p[0] << 24)); +} + +static inline void +put_u32(void *buf, uint32_t val) +{ + uint8_t *p = buf; + + p[3] = val & 0xff; + p[2] = (val >> 8) & 0xff; + p[1] = (val >> 16) & 0xff; + p[0] = (val >> 24) & 0xff; +} + +static int +rbcfg_find_tag(struct rbcfg_ctx *ctx, uint16_t tag_id, uint16_t *tag_len, + void **tag_data) +{ + uint16_t id; + uint16_t len; + char *buf = ctx->buf; + unsigned int buflen = ctx->buflen; + int ret = RB_ERR_NOTFOUND; + + /* skip magic and CRC value */ + buf += 8; + buflen -= 8; + + while (buflen > 2) { + len = get_u16(buf); + buf += 2; + buflen -= 2; + + if (buflen < 2) + break; + + id = get_u16(buf); + buf += 2; + buflen -= 2; + + if (id == RB_ID_TERMINATOR) + break; + + if (buflen < len) + break; + + if (id == tag_id) { + *tag_len = len; + *tag_data = buf; + ret = 0; + break; + } + + buf += len; + buflen -= len; + } + + if (ret) + fprintf(stderr, "no tag found with id=%u\n", tag_id); + + return ret; +} + +static int +rbcfg_get_u32(struct rbcfg_ctx *ctx, uint16_t id, uint32_t *val) +{ + void *tag_data; + uint16_t tag_len; + int err; + + err = rbcfg_find_tag(ctx, id, &tag_len, &tag_data); + if (err) + return err; + + *val = get_u32(tag_data); + return 0; +} + +static int +rbcfg_set_u32(struct rbcfg_ctx *ctx, uint16_t id, uint32_t val) +{ + void *tag_data; + uint16_t tag_len; + int err; + + err = rbcfg_find_tag(ctx, id, &tag_len, &tag_data); + if (err) + return err; + + put_u32(tag_data, val); + return 0; +} + +char *rbcfg_find_mtd(const char *name, int *erase_size) +{ + FILE *f; + int mtd_num; + char dev[PATH_MAX]; + char *ret = NULL; + struct stat s; + int err; + + f = fopen("/proc/mtd", "r"); + if (!f) + return NULL; + + while (1) { + char *p; + p = fgets(dev, sizeof(dev), f); + if (!p) + break; + + if (!strstr(dev, name)) + continue; + + err = sscanf(dev, "mtd%d: %08x", &mtd_num, erase_size); + if (err != 2) + break; + + sprintf(dev, "/dev/mtdblock%d", mtd_num); + err = stat(dev, &s); + if (err < 0) + break; + + if ((s.st_mode & S_IFBLK) == 0) + break; + + ret = malloc(strlen(dev) + 1); + if (ret == NULL) + break; + + strncpy(ret, dev, strlen(dev) + 1); + break; + } + + fclose(f); + return ret; +} + +static int +rbcfg_check_tmp(struct rbcfg_ctx *ctx) +{ + struct stat s; + int err; + + err = stat(ctx->tmp_file, &s); + if (err < 0) + return 0; + + if ((s.st_mode & S_IFREG) == 0) + return 0; + + if (s.st_size != ctx->buflen) + return 0; + + return 1; +} + +static int +rbcfg_load(struct rbcfg_ctx *ctx) +{ + uint32_t magic; + uint32_t crc_orig, crc; + char *name; + int tmp; + int fd; + int err; + + tmp = rbcfg_check_tmp(ctx); + name = (tmp) ? ctx->tmp_file : ctx->mtd_device; + + fd = open(name, O_RDONLY); + if (fd < 0) { + fprintf(stderr, "unable to open %s\n", name); + err = RB_ERR_IO; + goto err; + } + + err = read(fd, ctx->buf, ctx->buflen); + if (err != ctx->buflen) { + fprintf(stderr, "unable to read from %s\n", name); + err = RB_ERR_IO; + goto err_close; + } + + magic = get_u32(ctx->buf); + if (magic != RB_MAGIC_SOFT) { + fprintf(stderr, "invalid configuration\n"); + err = RB_ERR_INVALID; + goto err_close; + } + + crc_orig = get_u32(ctx->buf + 4); + put_u32(ctx->buf + 4, 0); + crc = cyg_ether_crc32((unsigned char *) ctx->buf, ctx->buflen); + if (crc != crc_orig) { + fprintf(stderr, "configuration has CRC error\n"); + err = RB_ERR_INVALID; + goto err_close; + } + + err = 0; + + err_close: + close(fd); + err: + return err; +} + +static int +rbcfg_open() +{ + char *mtd_device; + struct rbcfg_ctx *ctx; + int buflen; + int err; + + mtd_device = rbcfg_find_mtd(RBCFG_MTD_NAME, &buflen); + if (!mtd_device) { + fprintf(stderr, "unable to find configuration\n"); + return RB_ERR_NOTFOUND; + } + + ctx = malloc(sizeof(struct rbcfg_ctx) + buflen); + if (ctx == NULL) { + err = RB_ERR_NOMEM; + goto err_free_mtd; + } + + ctx->mtd_device = mtd_device; + ctx->tmp_file = RBCFG_TMP_FILE; + ctx->buflen = buflen; + ctx->buf = (char *) &ctx[1]; + + err = rbcfg_load(ctx); + if (err) + goto err_free_ctx; + + rbcfg_ctx = ctx; + return 0; + + err_free_ctx: + free(ctx); + err_free_mtd: + free(mtd_device); + return err; +} + +static int +rbcfg_update(int tmp) +{ + struct rbcfg_ctx *ctx = rbcfg_ctx; + char *name; + uint32_t crc; + int fd; + int err; + + put_u32(ctx->buf, RB_MAGIC_SOFT); + put_u32(ctx->buf + 4, 0); + crc = cyg_ether_crc32((unsigned char *) ctx->buf, ctx->buflen); + put_u32(ctx->buf + 4, crc); + + name = (tmp) ? ctx->tmp_file : ctx->mtd_device; + fd = open(name, O_WRONLY | O_CREAT); + if (fd < 0) { + fprintf(stderr, "unable to open %s for writing\n", name); + err = RB_ERR_IO; + goto out; + } + + err = write(fd, ctx->buf, ctx->buflen); + if (err != ctx->buflen) { + err = RB_ERR_IO; + goto out_close; + } + + fsync(fd); + err = 0; + + out_close: + close(fd); + out: + return err; +} + +static void +rbcfg_close(void) +{ + struct rbcfg_ctx *ctx; + + ctx = rbcfg_ctx; + free(ctx->mtd_device); + free(ctx); +} + +static const struct rbcfg_value * +rbcfg_env_find(const struct rbcfg_env *env, const char *name) +{ + unsigned i; + + for (i = 0; i < env->num_values; i++) { + const struct rbcfg_value *v = &env->values[i]; + + if (strcmp(v->name, name) == 0) + return v; + } + + return NULL; +} + +static const struct rbcfg_value * +rbcfg_env_find_u32(const struct rbcfg_env *env, uint32_t val) +{ + unsigned i; + + for (i = 0; i < env->num_values; i++) { + const struct rbcfg_value *v = &env->values[i]; + + if (v->val.u32 == val) + return v; + } + + return NULL; +} + +static const char * +rbcfg_env_get_u32(const struct rbcfg_env *env) +{ + const struct rbcfg_value *v; + uint32_t val; + int err; + + err = rbcfg_get_u32(rbcfg_ctx, env->id, &val); + if (err) + return NULL; + + v = rbcfg_env_find_u32(env, val); + if (v == NULL) { + fprintf(stderr, "unknown value %08x found for %s\n", + val, env->name); + return NULL; + } + + return v->name; +} + +static int +rbcfg_env_set_u32(const struct rbcfg_env *env, const char *data) +{ + const struct rbcfg_value *v; + int err; + + v = rbcfg_env_find(env, data); + if (v == NULL) { + fprintf(stderr, "invalid value '%s'\n", data); + return RB_ERR_INVALID; + } + + err = rbcfg_set_u32(rbcfg_ctx, env->id, v->val.u32); + return err; +} + +static const char * +rbcfg_env_get(const struct rbcfg_env *env) +{ + const char *ret = NULL; + + switch (env->type) { + case RBCFG_ENV_TYPE_U32: + ret = rbcfg_env_get_u32(env); + break; + } + + return ret; +} + +static int +rbcfg_env_set(const struct rbcfg_env *env, const char *data) +{ + int ret = 0; + + switch (env->type) { + case RBCFG_ENV_TYPE_U32: + ret = rbcfg_env_set_u32(env, data); + break; + } + + return ret; +} + +static int +rbcfg_cmd_apply(int argc, const char *argv[]) +{ + return rbcfg_update(0); +} + +static int +rbcfg_cmd_help(int argc, const char *argv[]) +{ + usage(); + return 0; +} + +static int +rbcfg_cmd_get(int argc, const char *argv[]) +{ + int err = RB_ERR_NOTFOUND; + int i; + + if (argc != 1) { + usage(); + return RB_ERR_INVALID; + } + + for (i = 0; i < ARRAY_SIZE(rbcfg_envs); i++) { + const struct rbcfg_env *env = &rbcfg_envs[i]; + const char *value; + + if (strcmp(env->name, argv[0])) + continue; + + value = rbcfg_env_get(env); + if (value) { + fprintf(stdout, "%s\n", value); + err = 0; + } + break; + } + + return err; +} + +static int +rbcfg_cmd_set(int argc, const char *argv[]) +{ + int err = RB_ERR_INVALID; + int i; + + if (argc != 2) { + /* not enough parameters */ + usage(); + return RB_ERR_INVALID; + } + + for (i = 0; i < ARRAY_SIZE(rbcfg_envs); i++) { + const struct rbcfg_env *env = &rbcfg_envs[i]; + + if (strcmp(env->name, argv[0])) + continue; + + err = rbcfg_env_set(env, argv[1]); + if (err == 0) + err = rbcfg_update(1); + break; + } + + return err; +} + +static int +rbcfg_cmd_show(int argc, const char *argv[]) +{ + int i; + + if (argc != 0) { + usage(); + return RB_ERR_INVALID; + } + + for (i = 0; i < ARRAY_SIZE(rbcfg_envs); i++) { + const struct rbcfg_env *env = &rbcfg_envs[i]; + const char *value; + + value = rbcfg_env_get(env); + if (value) + fprintf(stdout, "%s=%s\n", env->name, value); + } + + return 0; +} + +static const struct rbcfg_command rbcfg_commands[] = { + { + .command = "apply", + .usage = "apply\n" + "\t- write configuration to the mtd device", + .flags = CMD_FLAG_USES_CFG, + .exec = rbcfg_cmd_apply, + }, { + .command = "help", + .usage = "help\n" + "\t- show this screen", + .exec = rbcfg_cmd_help, + }, { + .command = "get", + .usage = "get <name>\n" + "\t- get value of the configuration option <name>", + .flags = CMD_FLAG_USES_CFG, + .exec = rbcfg_cmd_get, + }, { + .command = "set", + .usage = "set <name> <value>\n" + "\t- set value of the configuration option <name> to <value>", + .flags = CMD_FLAG_USES_CFG, + .exec = rbcfg_cmd_set, + }, { + .command = "show", + .usage = "show\n" + "\t- show value of all configuration options", + .flags = CMD_FLAG_USES_CFG, + .exec = rbcfg_cmd_show, + } +}; + +static void +usage(void) +{ + char buf[255]; + int len; + int i; + + fprintf(stderr, "Usage: %s <command>\n", rbcfg_name); + + fprintf(stderr, "\nCommands:\n"); + for (i = 0; i < ARRAY_SIZE(rbcfg_commands); i++) { + const struct rbcfg_command *cmd; + cmd = &rbcfg_commands[i]; + + len = snprintf(buf, sizeof(buf), "%s", cmd->usage); + buf[len] = '\0'; + fprintf(stderr, "%s\n", buf); + } + + fprintf(stderr, "\nConfiguration options:\n"); + for (i = 0; i < ARRAY_SIZE(rbcfg_envs); i++) { + const struct rbcfg_env *env; + int j; + + env = &rbcfg_envs[i]; + fprintf(stderr, "\n%s:\n", env->name); + for (j = 0; j < env->num_values; j++) { + const struct rbcfg_value *v = &env->values[j]; + fprintf(stderr, "\t%-12s %s\n", v->name, v->desc); + } + } + fprintf(stderr, "\n"); +} + +int main(int argc, const char *argv[]) +{ + const struct rbcfg_command *cmd = NULL; + int ret; + int i; + + rbcfg_name = (char *) argv[0]; + + if (argc < 2) { + usage(); + return EXIT_FAILURE; + } + + for (i = 0; i < ARRAY_SIZE(rbcfg_commands); i++) { + if (strcmp(rbcfg_commands[i].command, argv[1]) == 0) { + cmd = &rbcfg_commands[i]; + break; + } + } + + if (cmd == NULL) { + fprintf(stderr, "unknown command '%s'\n", argv[1]); + usage(); + return EXIT_FAILURE; + } + + argc -= 2; + argv += 2; + + if (cmd->flags & CMD_FLAG_USES_CFG) { + ret = rbcfg_open(); + if (ret) + return EXIT_FAILURE; + } + + ret = cmd->exec(argc, argv); + + if (cmd->flags & CMD_FLAG_USES_CFG) + rbcfg_close(); + + if (ret) + return EXIT_FAILURE; + + return EXIT_SUCCESS; +} diff --git a/package/boot/rbcfg/src/rbcfg.h b/package/boot/rbcfg/src/rbcfg.h new file mode 100644 index 0000000..899161a --- /dev/null +++ b/package/boot/rbcfg/src/rbcfg.h @@ -0,0 +1,75 @@ +/* + * Mikrotik's RouterBOOT configuration defines + * + * Copyright (C) 2010 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. + * + */ + +#ifndef _RBCFG_H +#define _RBCFG_H + +/* + * Magic numbers + */ +#define RB_MAGIC_SOFT 0x74666f53 /* 'Soft' */ + +/* + * ID values for Software settings + */ +#define RB_ID_TERMINATOR 0 +#define RB_ID_UART_SPEED 1 +#define RB_ID_BOOT_DELAY 2 +#define RB_ID_BOOT_DEVICE 3 +#define RB_ID_BOOT_KEY 4 +#define RB_ID_CPU_MODE 5 +#define RB_ID_FW_VERSION 6 +#define RB_ID_SOFT_07 7 +#define RB_ID_SOFT_08 8 +#define RB_ID_BOOT_PROTOCOL 9 +#define RB_ID_SOFT_10 10 +#define RB_ID_SOFT_11 11 +#define RB_ID_BOOTER 13 + +#define RB_UART_SPEED_115200 0 +#define RB_UART_SPEED_57600 1 +#define RB_UART_SPEED_38400 2 +#define RB_UART_SPEED_19200 3 +#define RB_UART_SPEED_9600 4 +#define RB_UART_SPEED_4800 5 +#define RB_UART_SPEED_2400 6 +#define RB_UART_SPEED_1200 7 +#define RB_UART_SPEED_OFF 8 + +#define RB_BOOT_DELAY_1SEC 1 +#define RB_BOOT_DELAY_2SEC 2 +#define RB_BOOT_DELAY_3SEC 3 +#define RB_BOOT_DELAY_4SEC 4 +#define RB_BOOT_DELAY_5SEC 5 +#define RB_BOOT_DELAY_6SEC 6 +#define RB_BOOT_DELAY_7SEC 7 +#define RB_BOOT_DELAY_8SEC 8 +#define RB_BOOT_DELAY_9SEC 9 + +#define RB_BOOT_DEVICE_ETHER 0 +#define RB_BOOT_DEVICE_NANDETH 1 +#define RB_BOOT_DEVICE_CFCARD 2 +#define RB_BOOT_DEVICE_ETHONCE 3 +#define RB_BOOT_DEVICE_NANDONLY 5 + +#define RB_BOOT_KEY_ANY 0 +#define RB_BOOT_KEY_DEL 1 + +#define RB_CPU_MODE_POWERSAVE 0 +#define RB_CPU_MODE_REGULAR 1 + +#define RB_BOOT_PROTOCOL_BOOTP 0 +#define RB_BOOT_PROTOCOL_DHCP 1 + +#define RB_BOOTER_REGULAR 0 +#define RB_BOOTER_BACKUP 1 + +#endif /* _RBCFG_H */ |