1/* 2 * Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 */ 18 19/* July 29, 2004 20 * 21 * This is a hacked replacement for the 'addpattern' utility used to 22 * create wrt54g .bin firmware files. It isn't pretty, but it does 23 * the job for me. 24 * 25 * Extensions: 26 * -v allows setting the version string on the command line. 27 * -{0|1} sets the (currently ignored) hw_ver flag in the header 28 * to 0 or 1 respectively. 29 */ 30 31/* January 12, 2005 32 * 33 * Modified by rodent at rodent dot za dot net 34 * Support added for the new WRT54G v2.2 and WRT54GS v1.1 "flags" 35 * Without the flags set to 0x7, the above units will refuse to flash. 36 * 37 * Extensions: 38 * -{0|1|2} sets {0|1} sets hw_ver flag to 0/1. {2} sets hw_ver to 1 39 * and adds the new hardware "flags" for the v2.2/v1.1 units 40*/ 41 42/* January 1, 2007 43 * 44 * Modified by juan.i.gonzalez at subdown dot net 45 * Support added for the AG241v2 and similar 46 * 47 * Extensions: 48 * -r #.# adds revision hardware flags. AG241v2 and similar. 49 * 50 * AG241V2 firmware sets the hw_ver to 0x44. 51 * 52 * Example: -r 2.0 53 * 54 * Convert 2.0 to 20 to be an integer, and add 0x30 to skip special ASCII 55 * #define HW_Version ((HW_REV * 10) + 0x30) -> from cyutils.h 56*/ 57 58#include <stdio.h> 59#include <stdlib.h> 60#include <string.h> 61#include <time.h> 62#include <unistd.h> 63#include <sys/stat.h> 64 65/**********************************************************************/ 66 67#define CODE_ID "U2ND" /* from code_pattern.h */ 68#define CODE_PATTERN "W54S" /* from code_pattern.h */ 69#define PBOT_PATTERN "PBOT" 70 71#define CYBERTAN_VERSION "v3.37.2" /* from cyutils.h */ 72 73/* WRT54G v2.2 and WRT54GS v1.1 "flags" (from 3.37.32 firmware cyutils.h) */ 74#define SUPPORT_4712_CHIP 0x0001 75#define SUPPORT_INTEL_FLASH 0x0002 76#define SUPPORT_5325E_SWITCH 0x0004 77/* (from 3.00.24 firmware cyutils.h) */ 78#define SUPPORT_4704_CHIP 0x0008 79#define SUPPORT_5352E_CHIP 0x0010 80 81struct code_header { /* from cyutils.h */ 82 char magic[4]; 83 char res1[4]; /* for extra magic */ 84 char fwdate[3]; 85 char fwvern[3]; 86 char id[4]; /* U2ND */ 87 char hw_ver; /* 0: for 4702, 1: for 4712 -- new in 2.04.3 */ 88 89 unsigned char sn; // Serial Number 90 unsigned char flags[2]; /* SUPPORT_ flags new for 3.37.2 (WRT54G v2.2 and WRT54GS v1.1) */ 91 unsigned char stable[2]; // The image is stable (for dual image) 92 unsigned char try1[2]; // Try to boot image first time (for dual image) 93 unsigned char try2[2]; // Try to boot image second time (for dual image) 94 unsigned char try3[2]; // Try to boot image third time (for dual_image) 95 unsigned char res3[2]; 96} ; 97 98struct board_info { 99 char *id; 100 char *pattern; 101 char hw_ver; 102 char sn; 103 char flags[2]; 104}; 105 106struct board_info boards[] = { 107 { 108 .id = "WRT160NL", 109 .pattern = "NL16", 110 .hw_ver = 0x00, 111 .sn = 0x0f, 112 .flags = {0x3f, 0x00}, 113 }, { 114 /* Terminating entry */ 115 .id = NULL, 116 } 117}; 118 119/**********************************************************************/ 120 121void usage(void) __attribute__ (( __noreturn__ )); 122 123void usage(void) 124{ 125 fprintf(stderr, "Usage: addpattern [-i trxfile] [-o binfile] [-B board_id] [-p pattern] [-s serial] [-g] [-b] [-v v#.#.#] [-r #.#] [-{0|1|2|4|5}] -h\n"); 126 exit(EXIT_FAILURE); 127} 128 129struct board_info *find_board(char *id) 130{ 131 struct board_info *board; 132 133 for (board = boards; board->id != NULL; board++) 134 if (strcasecmp(id, board->id) == 0) 135 return board; 136 137 return NULL; 138} 139 140int main(int argc, char **argv) 141{ 142 char buf[1024]; /* keep this at 1k or adjust garbage calc below */ 143 struct code_header *hdr; 144 FILE *in = stdin; 145 FILE *out = stdout; 146 char *ifn = NULL; 147 char *ofn = NULL; 148 char *pattern = CODE_PATTERN; 149 char *pbotpat = PBOT_PATTERN; 150 char *version = CYBERTAN_VERSION; 151 char *board_id = NULL; 152 struct board_info *board = NULL; 153 int gflag = 0; 154 int pbotflag = 0; 155 int c; 156 int v0, v1, v2; 157 size_t off, n; 158 time_t t; 159 struct tm *ptm; 160 161 fprintf(stderr, "mjn3's addpattern replacement - v0.81\n"); 162 163 hdr = (struct code_header *) buf; 164 memset(hdr, 0, sizeof(struct code_header)); 165 166 while ((c = getopt(argc, argv, "i:o:p:s:gbv:01245hr:B:")) != -1) { 167 switch (c) { 168 case 'i': 169 ifn = optarg; 170 break; 171 case 'o': 172 ofn = optarg; 173 break; 174 case 'p': 175 pattern = optarg; 176 break; 177 case 's': 178 hdr->sn = (unsigned char) atoi (optarg); 179 break; 180 case 'g': 181 gflag = 1; 182 break; 183 case 'b': 184 pbotflag = 1; 185 break; 186 case 'v': /* extension to allow setting version */ 187 version = optarg; 188 break; 189 case '0': 190 hdr->hw_ver = 0; 191 break; 192 case '1': 193 hdr->hw_ver = 1; 194 break; 195 case '2': /* new 54G v2.2 and 54GS v1.1 flags */ 196 hdr->hw_ver = 1; 197 hdr->flags[0] |= SUPPORT_4712_CHIP; 198 hdr->flags[0] |= SUPPORT_INTEL_FLASH; 199 hdr->flags[0] |= SUPPORT_5325E_SWITCH; 200 break; 201 case '4': 202 /* V4 firmware sets the flags to 0x1f */ 203 hdr->hw_ver = 0; 204 hdr->flags[0] = 0x1f; 205 break; 206 case '5': 207 /* V5 is appended to trxV2 image */ 208 hdr->stable[0] = 0x73; // force image to be stable 209 hdr->stable[1] = 0x00; 210 hdr->try1[0] = 0x74; // force try1 to be set 211 hdr->try1[1] = 0x00; 212 hdr->try2[0] = hdr->try2[1] = 0xFF; 213 hdr->try3[0] = hdr->try3[1] = 0xFF; 214 break; 215 case 'r': 216 hdr->hw_ver = (char)(atof(optarg)*10)+0x30; 217 break; 218 case 'B': 219 board_id = optarg; 220 break; 221 222 case 'h': 223 default: 224 usage(); 225 } 226 } 227 228 if (optind != argc || optind == 1) { 229 fprintf(stderr, "illegal arg \"%s\"\n", argv[optind]); 230 usage(); 231 } 232 233 if (board_id) { 234 board = find_board(board_id); 235 if (board == NULL) { 236 fprintf(stderr, "unknown board \"%s\"\n", board_id); 237 usage(); 238 } 239 pattern = board->pattern; 240 hdr->hw_ver = board->hw_ver; 241 hdr->sn = board->sn; 242 hdr->flags[0] = board->flags[0]; 243 hdr->flags[1] = board->flags[1]; 244 } 245 246 if (strlen(pattern) != 4) { 247 fprintf(stderr, "illegal pattern \"%s\": length != 4\n", pattern); 248 usage(); 249 } 250 251 if (ifn && !(in = fopen(ifn, "r"))) { 252 fprintf(stderr, "can not open \"%s\" for reading\n", ifn); 253 usage(); 254 } 255 256 if (ofn && !(out = fopen(ofn, "w"))) { 257 fprintf(stderr, "can not open \"%s\" for writing\n", ofn); 258 usage(); 259 } 260 261 if (time(&t) == (time_t)(-1)) { 262 fprintf(stderr, "time call failed\n"); 263 return EXIT_FAILURE; 264 } 265 266 ptm = localtime(&t); 267 268 if (3 != sscanf(version, "v%d.%d.%d", &v0, &v1, &v2)) { 269 fprintf(stderr, "bad version string \"%s\"\n", version); 270 return EXIT_FAILURE; 271 } 272 273 memcpy(&hdr->magic, pattern, 4); 274 if (pbotflag) 275 memcpy(&hdr->res1, pbotpat, 4); 276 hdr->fwdate[0] = ptm->tm_year % 100; 277 hdr->fwdate[1] = ptm->tm_mon + 1; 278 hdr->fwdate[2] = ptm->tm_mday; 279 hdr->fwvern[0] = v0; 280 hdr->fwvern[1] = v1; 281 hdr->fwvern[2] = v2; 282 memcpy(&hdr->id, CODE_ID, strlen(CODE_ID)); 283 284 off = sizeof(struct code_header); 285 286 fprintf(stderr, "writing firmware v%d.%d.%d on %d/%d/%d (y/m/d)\n", 287 v0, v1, v2, 288 hdr->fwdate[0], hdr->fwdate[1], hdr->fwdate[2]); 289 290 291 while ((n = fread(buf + off, 1, sizeof(buf)-off, in) + off) > 0) { 292 off = 0; 293 if (n < sizeof(buf)) { 294 if (ferror(in)) { 295 FREAD_ERROR: 296 fprintf(stderr, "fread error\n"); 297 return EXIT_FAILURE; 298 } 299 if (gflag) { 300 gflag = sizeof(buf) - n; 301 memset(buf + n, 0xff, gflag); 302 fprintf(stderr, "adding %d bytes of garbage\n", gflag); 303 n = sizeof(buf); 304 } 305 } 306 if (!fwrite(buf, n, 1, out)) { 307 FWRITE_ERROR: 308 fprintf(stderr, "fwrite error\n"); 309 return EXIT_FAILURE; 310 } 311 } 312 313 if (ferror(in)) { 314 goto FREAD_ERROR; 315 } 316 317 if (fflush(out)) { 318 goto FWRITE_ERROR; 319 } 320 321 fclose(in); 322 fclose(out); 323 324 return EXIT_SUCCESS; 325} 326