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ppc40x: add more EBC_BXCR defines
[openwrt.git] / tools / wrt350nv2-builder / src / wrt350nv2-builder.c
diff --git a/tools/wrt350nv2-builder/src/wrt350nv2-builder.c b/tools/wrt350nv2-builder/src/wrt350nv2-builder.c
index 3693286..a459329 100644 (file)
--- a/tools/wrt350nv2-builder/src/wrt350nv2-builder.c
+++ b/tools/wrt350nv2-builder/src/wrt350nv2-builder.c
@@ -1,8 +1,8 @@
 /*
 
 /*
 
-       WRT350Nv2-Builder 2.0 (previously called buildimg)
+       WRT350Nv2-Builder 2.2 (previously called buildimg)
        Copyright (C) 2008-2009 Dirk Teurlings <info@upexia.nl>
        Copyright (C) 2008-2009 Dirk Teurlings <info@upexia.nl>
-       Copyright (C) 2009      Matthias Buecher (http://www.maddes.net/)
+       Copyright (C) 2009-2010 Matthias Buecher (http://www.maddes.net/)
 
        This program is free software; you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
 
        This program is free software; you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
@@ -31,23 +31,25 @@
                :kernel 0x001A0000      /path/to/uImage
                :rootfs 0       /path/to/root.squashfs
                :u-boot 0       /path/to/u-boot.bin
                :kernel 0x001A0000      /path/to/uImage
                :rootfs 0       /path/to/root.squashfs
                :u-boot 0       /path/to/u-boot.bin
+               #version        0x2020
 
        args:
                1       wrt350nv2.par           parameter file describing the image layout
                2       wrt350nv2.img           output file for linksys style image
 
 
        args:
                1       wrt350nv2.par           parameter file describing the image layout
                2       wrt350nv2.img           output file for linksys style image
 
-       An u-boot image inside the bin file is not necessary.
+       A u-boot image inside the bin file is not necessary.
        The version is not important.
        The version is not important.
-       The name of the bin file is not important.
+       The name of the bin file is not important, but still "wrt350n.bin" is used to
+       keep as close as possible to the stock firmware.
 
        Linksys assumes that no mtd will be used to its maximum, so the last 16 bytes
        of the mtd are abused to define the length of the next mtd content (4 bytes for
        size + 12 pad bytes).
 
 
        Linksys assumes that no mtd will be used to its maximum, so the last 16 bytes
        of the mtd are abused to define the length of the next mtd content (4 bytes for
        size + 12 pad bytes).
 
-       At the end of "rootfs" additional 16 bytes are abused for some data and an
+       At the end of "rootfs" additional 16 bytes are abused for some data and a
        highly important eRcOmM identifier, so the last 32 bytes of "rootfs" are abused.
 
        highly important eRcOmM identifier, so the last 32 bytes of "rootfs" are abused.
 
-       At the end of "u-boot" 128 bytes are abused for some data, a checksum and an
+       At the end of "u-boot" 128 bytes are abused for some data, a checksum and a
        highly important sErCoMm identifier.
 
 
        highly important sErCoMm identifier.
 
 
@@ -59,10 +61,16 @@
        To extract everything from a Linksys style firmware image see
        https://forum.openwrt.org/viewtopic.php?pid=92928#p92928
 
        To extract everything from a Linksys style firmware image see
        https://forum.openwrt.org/viewtopic.php?pid=92928#p92928
 
-*/
+       Changelog:
+       v2.2 - fixed checksum byte calculation for other versions than 0x2019
+              fixed rare problem with padsize
+              updated info to stock firmware 2.00.20
+              fixed typos
+       v2.1 - used "wrt350n.bin" for the created image (closer to stock)
+               added option to create the image in two separate steps (-b / -z)
+       v2.0 - complete re-write
 
 
-// ToDo:
-// * Has NODE to be added to bin file *after* creating checksum byte?
+*/
 
 // includes
 #define _GNU_SOURCE    // for GNU's basename()
 
 // includes
 #define _GNU_SOURCE    // for GNU's basename()
@@ -78,11 +86,11 @@
 
 // custom includes
 #include "md5.h"       // MD5 routines
 
 // custom includes
 #include "md5.h"       // MD5 routines
-#include "upgrade.h"   // Linksys definitions from firmware 2.0.19
+#include "upgrade.h"   // Linksys definitions from firmware 2.0.19 (unchanged up to 2.0.20)
 
 
 // version info
 
 
 // version info
-#define VERSION "2.0"
+#define VERSION "2.2"
 char program_info[] = "WRT350Nv2-Builder v%s by Dirk Teurlings <info@upexia.nl> and Matthias Buecher (http://www.maddes.net/)\n";
 
 // verbosity
 char program_info[] = "WRT350Nv2-Builder v%s by Dirk Teurlings <info@upexia.nl> and Matthias Buecher (http://www.maddes.net/)\n";
 
 // verbosity
@@ -105,12 +113,15 @@ mtd_info mtd_rootfs = { "rootfs", 0, 0, NULL, 0L, { 0, 0 } };
 mtd_info mtd_uboot = { "u-boot", 0, 0, NULL, 0L, { 0, 0 } };
 
 #define ROOTFS_END_OFFSET      0x00760000
 mtd_info mtd_uboot = { "u-boot", 0, 0, NULL, 0L, { 0, 0 } };
 
 #define ROOTFS_END_OFFSET      0x00760000
-#define ROOTFS_MIN_OFFSET      0x00700000      // should be filled up to here, to make sure that the zip file is big enough to pass the size check of the stock firmware
+#define ROOTFS_MIN_OFFSET      0x00640000      // should be filled up to here, to make sure that the zip file is big enough to pass the size check of the stock firmware
+                                               // 2.0.17: filled up to 0x00640000
+                                               // 2.0.19: filled up to 0x00670000
+                                               // 2.0.20: filled up to 0x00670000
 
 // rootfs statics via: hexdump -v -e '1/1 "0x%02X, "' -s 0x0075FFE0 -n 16 "wrt350n.bin" ; echo -en "\n"
 unsigned char product_id[] = { 0x00, 0x03 };   // seems to be a fixed value
 unsigned char protocol_id[] = { 0x00, 0x00 };  // seems to be a fixed value
 
 // rootfs statics via: hexdump -v -e '1/1 "0x%02X, "' -s 0x0075FFE0 -n 16 "wrt350n.bin" ; echo -en "\n"
 unsigned char product_id[] = { 0x00, 0x03 };   // seems to be a fixed value
 unsigned char protocol_id[] = { 0x00, 0x00 };  // seems to be a fixed value
-unsigned char fw_version[] = { 0x20, 0x19 };
+unsigned char fw_version[] = { 0x20, 0x20 };
 unsigned char rootfs_unknown[] = { 0x90, 0xF7 };       // seems to be a fixed value
 unsigned char sign[] = { 0x65, 0x52, 0x63, 0x4F, 0x6D, 0x4D, 0x00, 0x00 };     // eRcOmM
 
 unsigned char rootfs_unknown[] = { 0x90, 0xF7 };       // seems to be a fixed value
 unsigned char sign[] = { 0x65, 0x52, 0x63, 0x4F, 0x6D, 0x4D, 0x00, 0x00 };     // eRcOmM
 
@@ -128,7 +139,7 @@ unsigned char pid[] = {     0x73, 0x45, 0x72, 0x43, 0x6F, 0x4D, 0x6D, 0x00, 0x01, 0x
                                0x00, 0x00, 0x00, 0x04,
                                0x73, 0x45, 0x72, 0x43, 0x6F, 0x4D, 0x6D };     // sErCoMm
 
                                0x00, 0x00, 0x00, 0x04,
                                0x73, 0x45, 0x72, 0x43, 0x6F, 0x4D, 0x6D };     // sErCoMm
 
-// img statics via: hexdump -v -e '1/1 "0x%02X, "' -s 0 -n 512 "WRT350N-EU-ETSI-2.00.19.img" ; echo -en "\n"
+// img statics via: hexdump -v -e '1/1 "0x%02X, "' -s 0 -n 512 "WRT350N-EU-ETSI-2.00.19.img" ; echo -en "\n" (unchanged up to 2.0.20)
 unsigned char img_hdr[] = {    0x00, 0x01, 0x00, 0x00, 0x59, 0x42, 0x50, 0x00, 0x01, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
 unsigned char img_hdr[] = {    0x00, 0x01, 0x00, 0x00, 0x59, 0x42, 0x50, 0x00, 0x01, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
@@ -203,17 +214,17 @@ int parse_par_file(FILE *f_par) {
                // read next line into memory
                do {
                        // allocate memory for input line
                // read next line into memory
                do {
                        // allocate memory for input line
-                       if (buffer == NULL) {
+                       if (!buffer) {
                                buffer = malloc(buffer_size);
                        }
                                buffer = malloc(buffer_size);
                        }
-                       if (buffer == NULL) {
+                       if (!buffer) {
                                exitcode = 1;
                                printf("parse_par_file: can not allocate %i bytes\n", (int) buffer_size);
                                break;
                        }
 
                        line = fgets(buffer, buffer_size, f_par);
                                exitcode = 1;
                                printf("parse_par_file: can not allocate %i bytes\n", (int) buffer_size);
                                break;
                        }
 
                        line = fgets(buffer, buffer_size, f_par);
-                       if (line == NULL) {
+                       if (!line) {
                                exitcode = ferror(f_par);
                                if (exitcode) {
                                        printf("parse_par_file: %s\n", strerror(exitcode));
                                exitcode = ferror(f_par);
                                if (exitcode) {
                                        printf("parse_par_file: %s\n", strerror(exitcode));
@@ -243,7 +254,7 @@ int parse_par_file(FILE *f_par) {
                        buffer_size *= 2;
                        lprintf(DEBUG_LVL2, " extending buffer to %i bytes\n", buffer_size);
                } while (1);
                        buffer_size *= 2;
                        lprintf(DEBUG_LVL2, " extending buffer to %i bytes\n", buffer_size);
                } while (1);
-               if (line == NULL || exitcode) {
+               if ((!line) || (exitcode)) {
                        break;
                }
 
                        break;
                }
 
@@ -262,17 +273,17 @@ int parse_par_file(FILE *f_par) {
                                        printf("line %i does not meet defined format (:<mtdname> <mtdsize> <file>)\n", lineno);
                                } else {
                                        // populate mtd_info if supported mtd names
                                        printf("line %i does not meet defined format (:<mtdname> <mtdsize> <file>)\n", lineno);
                                } else {
                                        // populate mtd_info if supported mtd names
-                                       if (strcmp(string1, mtd_kernel.name) == 0) {
+                                       if (!strcmp(string1, mtd_kernel.name)) {
                                                mtd = &mtd_kernel;
                                                mtd = &mtd_kernel;
-                                       } else if (strcmp(string1, mtd_rootfs.name) == 0) {
+                                       } else if (!strcmp(string1, mtd_rootfs.name)) {
                                                mtd = &mtd_rootfs;
                                                mtd = &mtd_rootfs;
-                                       } else if (strcmp(string1, mtd_uboot.name) == 0) {
+                                       } else if (!strcmp(string1, mtd_uboot.name)) {
                                                mtd = &mtd_uboot;
                                        }
 
                                                mtd = &mtd_uboot;
                                        }
 
-                                       if (mtd == NULL) {
+                                       if (!mtd) {
                                                printf("unknown mtd %s in line %i\n", string1, lineno);
                                                printf("unknown mtd %s in line %i\n", string1, lineno);
-                                       } else if (mtd->filename != NULL) {
+                                       } else if (mtd->filename) {
                                                f_exitcode = 1;
                                                printf("mtd %s in line %i multiple definitions\n", string1, lineno);
                                        } else {
                                                f_exitcode = 1;
                                                printf("mtd %s in line %i multiple definitions\n", string1, lineno);
                                        } else {
@@ -281,7 +292,7 @@ int parse_par_file(FILE *f_par) {
 
                                                // Get file size
                                                f_in = fopen(mtd->filename, "rb");
 
                                                // Get file size
                                                f_in = fopen(mtd->filename, "rb");
-                                               if (f_in == NULL) {
+                                               if (!f_in) {
                                                        f_exitcode = errno;
                                                        printf("input file %s: %s\n", mtd->filename, strerror(f_exitcode));
                                                } else {
                                                        f_exitcode = errno;
                                                        printf("input file %s: %s\n", mtd->filename, strerror(f_exitcode));
                                                } else {
@@ -318,9 +329,9 @@ int parse_par_file(FILE *f_par) {
                        case '#':       // integer values
                                count = sscanf(line, "#%255s %i", string1, &value);
                                if (count != 2) {
                        case '#':       // integer values
                                count = sscanf(line, "#%255s %i", string1, &value);
                                if (count != 2) {
-                                       printf("line %i does not meet defined format (:<variable name> <integer>\n", lineno);
+                                       printf("line %i does not meet defined format (#<variable name> <integer>\n", lineno);
                                } else {
                                } else {
-                                       if (strcmp(string1, "version") == 0) {
+                                       if (!strcmp(string1, "version")) {
                                                // changing version
                                                fw_version[0] = 0x000000FF & ( value >> 8 );
                                                fw_version[1] = 0x000000FF &   value;
                                                // changing version
                                                fw_version[0] = 0x000000FF & ( value >> 8 );
                                                fw_version[1] = 0x000000FF &   value;
@@ -337,9 +348,8 @@ int parse_par_file(FILE *f_par) {
                                        printf("line %i does not meet defined format (:<mtdname> <mtdsize> <file>)\n", lineno);
                                } else {
 /*
                                        printf("line %i does not meet defined format (:<mtdname> <mtdsize> <file>)\n", lineno);
                                } else {
 /*
-                                       if (strcmp(string1, "something") == 0) {
-                                               something = string2;
-                                               string2 = NULL; // do not free
+                                       if (!strcmp(string1, "something")) {
+                                               something = strdup(string2);
                                        } else {
 */
                                                printf("unknown string variable %s in line %i\n", string1, lineno);
                                        } else {
 */
                                                printf("unknown string variable %s in line %i\n", string1, lineno);
@@ -382,7 +392,7 @@ int create_bin_file(char *bin_filename) {
 
        // allocate memory for bin file
        buffer = malloc(KERNEL_CODE_OFFSET + FLASH_SIZE);
 
        // allocate memory for bin file
        buffer = malloc(KERNEL_CODE_OFFSET + FLASH_SIZE);
-       if (buffer == NULL) {
+       if (!buffer) {
                exitcode = 1;
                printf("create_bin_file: can not allocate %i bytes\n", FLASH_SIZE);
        } else {
                exitcode = 1;
                printf("create_bin_file: can not allocate %i bytes\n", FLASH_SIZE);
        } else {
@@ -415,10 +425,10 @@ int create_bin_file(char *bin_filename) {
                                        printf("create_bin_file: unknown mtd %i\n", i);
                                        break;
                        }
                                        printf("create_bin_file: unknown mtd %i\n", i);
                                        break;
                        }
-                       if (mtd == NULL) {
+                       if (!mtd) {
                                break;
                        }
                                break;
                        }
-                       if (mtd->filename == NULL) {
+                       if (!mtd->filename) {
                                continue;
                        }
 
                                continue;
                        }
 
@@ -434,7 +444,7 @@ int create_bin_file(char *bin_filename) {
 
                        // adding file content
                        f_in = fopen(mtd->filename, "rb");
 
                        // adding file content
                        f_in = fopen(mtd->filename, "rb");
-                       if (f_in == NULL) {
+                       if (!f_in) {
                                exitcode = errno;
                                printf("input file %s: %s\n", mtd->filename, strerror(exitcode));
                        } else {
                                exitcode = errno;
                                printf("input file %s: %s\n", mtd->filename, strerror(exitcode));
                        } else {
@@ -453,15 +463,17 @@ int create_bin_file(char *bin_filename) {
 
                        // padding
                        if (padsize > 0) {
 
                        // padding
                        if (padsize > 0) {
-                               printf("mtd %s input file %s is too small (0x%08lX), adding 0x%08X random bytes\n", mtd->name, mtd->filename, mtd->filesize, padsize);
-
                                addsize = padsize & 0x0000FFFF; // start on next 64KB border
                                padsize -= addsize;
                                addsize = padsize & 0x0000FFFF; // start on next 64KB border
                                padsize -= addsize;
+                       }
+                       if (padsize > 0) {
+                               printf("mtd %s input file %s is too small (0x%08lX), adding 0x%08X random bytes\n", mtd->name, mtd->filename, mtd->filesize, padsize);
+
                                addsize += KERNEL_CODE_OFFSET + mtd->offset + mtd->filesize;    // get offset
                                lprintf(DEBUG, " padding offset 0x%08X length 0x%08X\n", addsize, padsize);
 
                                f_in = fopen(rand_filename, "rb");
                                addsize += KERNEL_CODE_OFFSET + mtd->offset + mtd->filesize;    // get offset
                                lprintf(DEBUG, " padding offset 0x%08X length 0x%08X\n", addsize, padsize);
 
                                f_in = fopen(rand_filename, "rb");
-                               if (f_in == NULL) {
+                               if (!f_in) {
                                        exitcode = errno;
                                        printf("input file %s: %s\n", rand_filename, strerror(exitcode));
                                } else {
                                        exitcode = errno;
                                        printf("input file %s: %s\n", rand_filename, strerror(exitcode));
                                } else {
@@ -490,10 +502,12 @@ int create_bin_file(char *bin_filename) {
                memcpy(&buffer[KERNEL_CODE_OFFSET + FW_VERSION_OFFSET + 2], rootfs_unknown, 2);
                memcpy(&buffer[KERNEL_CODE_OFFSET + SIGN_OFFSET], sign, 8);     // eRcOmM
 
                memcpy(&buffer[KERNEL_CODE_OFFSET + FW_VERSION_OFFSET + 2], rootfs_unknown, 2);
                memcpy(&buffer[KERNEL_CODE_OFFSET + SIGN_OFFSET], sign, 8);     // eRcOmM
 
-               lprintf(DEBUG, "adding u-boot special data 1/2\n");     // ToDo: or after creating the checksum byte?
-//             memcpy(&buffer[KERNEL_CODE_OFFSET + SN_OFF], sn, 12);   // ToDo: find out what's this for?
-//             memcpy(&buffer[KERNEL_CODE_OFFSET + PIN_OFF], pin, 8);  // ToDo: find out what's this for?
-//             memcpy(&buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF], node, 25);  // ToDo: find out what's this for?
+               lprintf(DEBUG, "adding u-boot special data\n");
+//             memcpy(&buffer[KERNEL_CODE_OFFSET + SN_OFF], sn, 12);   // ToDo: currently zero, find out what's this for?
+//             memcpy(&buffer[KERNEL_CODE_OFFSET + PIN_OFF], pin, 8);  // ToDo: currently zero, find out what's this for?
+//             memcpy(&buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF], node, 25);  // ToDo: currently zero, find out what's this for?
+               memcpy(&buffer[KERNEL_CODE_OFFSET + BOOT_ADDR_BASE_OFF + PID_OFFSET], pid, 70); // sErCoMm
+               memcpy(&buffer[KERNEL_CODE_OFFSET + BOOT_ADDR_BASE_OFF + PID_OFFSET + 57], fw_version, 2);
 
                lprintf(DEBUG, "adding checksum byte\n");
                csum = 0;
 
                lprintf(DEBUG, "adding checksum byte\n");
                csum = 0;
@@ -502,19 +516,15 @@ int create_bin_file(char *bin_filename) {
                }
                lprintf(DEBUG_LVL2, " checksum 0x%016lX (%li)\n", csum, csum);
 
                }
                lprintf(DEBUG_LVL2, " checksum 0x%016lX (%li)\n", csum, csum);
 
-               buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF + 25] = ~(csum+108)+1;
+               buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF + 25] = ~csum + 1;
                lprintf(DEBUG, " byte 0x%02X\n", buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF + 25]);
                lprintf(DEBUG, " byte 0x%02X\n", buffer[KERNEL_CODE_OFFSET + NODE_BASE_OFF + 25]);
-
-               lprintf(DEBUG, "adding u-boot special data 2/2\n");
-               memcpy(&buffer[KERNEL_CODE_OFFSET + BOOT_ADDR_BASE_OFF + PID_OFFSET], pid, 70); // sErCoMm
-               memcpy(&buffer[KERNEL_CODE_OFFSET + BOOT_ADDR_BASE_OFF + PID_OFFSET + 57], fw_version, 2);
        }
 
        // write bin file
        if (!exitcode) {
                lprintf(DEBUG, "writing file %s\n", bin_filename);
                f_out = fopen(bin_filename, "wb");
        }
 
        // write bin file
        if (!exitcode) {
                lprintf(DEBUG, "writing file %s\n", bin_filename);
                f_out = fopen(bin_filename, "wb");
-               if (f_out == NULL) {
+               if (!f_out) {
                        exitcode = errno;
                        printf("output file %s: %s\n", bin_filename, strerror(exitcode));
                } else {
                        exitcode = errno;
                        printf("output file %s: %s\n", bin_filename, strerror(exitcode));
                } else {
@@ -547,18 +557,18 @@ int create_zip_file(char *zip_filename, char *bin_filename) {
        buffer = NULL;
        do {
                // allocate memory for command line
        buffer = NULL;
        do {
                // allocate memory for command line
-               if (buffer == NULL) {
+               if (!buffer) {
                        buffer = malloc(buffer_size);
                }
                        buffer = malloc(buffer_size);
                }
-               if (buffer == NULL) {
+               if (!buffer) {
                        exitcode = 1;
                        printf("create_zip_file: can not allocate %i bytes\n", (int) buffer_size);
                        break;
                }
 
                // if buffer was not completely filled, then line fit in completely
                        exitcode = 1;
                        printf("create_zip_file: can not allocate %i bytes\n", (int) buffer_size);
                        break;
                }
 
                // if buffer was not completely filled, then line fit in completely
-               count = snprintf(buffer, buffer_size, "zip %s %s", zip_filename, bin_filename);
-               if (count > -1 && count < buffer_size) {
+               count = snprintf(buffer, buffer_size, "zip \"%s\" \"%s\"", zip_filename, bin_filename);
+               if ((count > -1) && (count < buffer_size)) {
                        break;
                }
 
                        break;
                }
 
@@ -577,7 +587,7 @@ int create_zip_file(char *zip_filename, char *bin_filename) {
                // zipping binfile
                lprintf(DEBUG, "%s\n", buffer);
                count = system(buffer);
                // zipping binfile
                lprintf(DEBUG, "%s\n", buffer);
                count = system(buffer);
-               if (count < 0 || WEXITSTATUS(count)) {
+               if ((count < 0) || (WEXITSTATUS(count))) {
                        exitcode = 1;
                        printf("create_zip_file: can not execute %s bytes\n", buffer);
                }
                        exitcode = 1;
                        printf("create_zip_file: can not execute %s bytes\n", buffer);
                }
@@ -624,7 +634,7 @@ int create_img_file(FILE *f_out, char *out_filename, char *zip_filename) {
        if (!exitcode) {
                lprintf(DEBUG_LVL2, " adding zip file\n");
                f_in = fopen(zip_filename, "rb");
        if (!exitcode) {
                lprintf(DEBUG_LVL2, " adding zip file\n");
                f_in = fopen(zip_filename, "rb");
-               if (f_in == NULL) {
+               if (!f_in) {
                        exitcode = errno;
                        printf("input file %s: %s\n", zip_filename, strerror(exitcode));
                } else {
                        exitcode = errno;
                        printf("input file %s: %s\n", zip_filename, strerror(exitcode));
                } else {
@@ -696,16 +706,17 @@ int main(int argc, char *argv[]) {
        int exitcode = 0;
 
        int help;
        int exitcode = 0;
 
        int help;
+       int onlybin;
        int havezip;
        char option;
        char *par_filename = NULL;
        int havezip;
        char option;
        char *par_filename = NULL;
-       char *out_filename = NULL;
+       char *img_filename = NULL;
        char *base_filename = NULL;
        char *bin_filename = NULL;
        char *zip_filename = NULL;
 
        char *base_filename = NULL;
        char *bin_filename = NULL;
        char *zip_filename = NULL;
 
-       FILE *f_par;
-       FILE *f_out;
+       FILE *f_par = NULL;
+       FILE *f_img = NULL;
 
        int i;
        mtd_info *mtd;
 
        int i;
        mtd_info *mtd;
@@ -722,19 +733,23 @@ int main(int argc, char *argv[]) {
 // command line processing
        // options
        help = 0;
 // command line processing
        // options
        help = 0;
+       onlybin = 0;
        havezip = 0;
        havezip = 0;
-       while ((option = getopt(argc, argv, ":hzf:v")) != -1) {
+       while ((option = getopt(argc, argv, ":hbzf:v")) != -1) {
                switch(option) {
                        case 'h':
                                help = 1;
                                break;
                switch(option) {
                        case 'h':
                                help = 1;
                                break;
+                       case 'b':
+                               onlybin = 1;
+                               break;
                        case 'z':
                                havezip = 1;
                                break;
                        case 'f':
                                sizecheck = sscanf(optarg, "%i", &i);
                                if (sizecheck != 1) {
                        case 'z':
                                havezip = 1;
                                break;
                        case 'f':
                                sizecheck = sscanf(optarg, "%i", &i);
                                if (sizecheck != 1) {
-                                       printf("firmware version of -f option not a valid integer\n");
+                                       printf("Firmware version of -f option not a valid integer\n");
                                        exitcode = 1;
                                } else {
                                        fw_version[0] = 0x000000FF & ( i >> 8 );
                                        exitcode = 1;
                                } else {
                                        fw_version[0] = 0x000000FF & ( i >> 8 );
@@ -757,7 +772,7 @@ int main(int argc, char *argv[]) {
 
        // files
        for ( ; optind < argc; optind++) {
 
        // files
        for ( ; optind < argc; optind++) {
-               if (par_filename == NULL) {
+               if (!par_filename) {
                        par_filename = argv[optind];
 
                        if (access(par_filename, R_OK)) {
                        par_filename = argv[optind];
 
                        if (access(par_filename, R_OK)) {
@@ -772,12 +787,12 @@ int main(int argc, char *argv[]) {
                        continue;
                }
 
                        continue;
                }
 
-               if (out_filename == NULL) {
-                       out_filename = argv[optind];
+               if ((!onlybin) && (!img_filename)) {
+                       img_filename = argv[optind];
 
 
-                       if (!access(out_filename, F_OK)) {      // if file already exists then check write access
-                               if (access(out_filename, W_OK)) {
-                                       printf("No write access to output file %s\n", out_filename);
+                       if (!access(img_filename, F_OK)) {      // if file already exists then check write access
+                               if (access(img_filename, W_OK)) {
+                                       printf("No write access to image file %s\n", img_filename);
                                        exitcode = 1;
                                }
                        }
                                        exitcode = 1;
                                }
                        }
@@ -791,7 +806,7 @@ int main(int argc, char *argv[]) {
        }
 
        // file name checks
        }
 
        // file name checks
-       if (par_filename == NULL) {
+       if (!par_filename) {
                if (havezip) {
                        printf("Zip file not stated\n");
                } else {
                if (havezip) {
                        printf("Zip file not stated\n");
                } else {
@@ -800,7 +815,7 @@ int main(int argc, char *argv[]) {
                exitcode = 1;
        } else {
                base_filename = basename(par_filename);
                exitcode = 1;
        } else {
                base_filename = basename(par_filename);
-               if (base_filename == NULL) {
+               if (!base_filename) {
                        if (havezip) {
                                printf("Zip file is a directory\n");
                        } else {
                        if (havezip) {
                                printf("Zip file is a directory\n");
                        } else {
@@ -810,36 +825,38 @@ int main(int argc, char *argv[]) {
                }
        }
 
                }
        }
 
-       if (out_filename == NULL) {
-               printf("Output file not stated\n");
-               exitcode = 1;
-       } else {
-               base_filename = basename(out_filename);
-               if (base_filename == NULL) {
-                       printf("Output file is a directory\n");
+       if (!onlybin) {
+               if (!img_filename) {
+                       printf("Image file not stated\n");
                        exitcode = 1;
                } else {
                        exitcode = 1;
                } else {
-                       base_filename = strdup(base_filename);
-                       zip_filename = strrchr(base_filename, '.');
-                       if (zip_filename != NULL) {
-                               zip_filename[0] = 0;
-                               zip_filename = NULL;    // clean up
+                       base_filename = basename(img_filename);
+                       if (!base_filename) {
+                               printf("Image file is a directory\n");
+                               exitcode = 1;
                        }
                }
        }
 
                        }
                }
        }
 
-       // react on parameter problems or help request, and exit
-       if ((exitcode != 0) || help) {
+       // check for mutually exclusive options
+       if ((onlybin) && (havezip)) {
+               printf("Option -b and -z are mutually exclusive\n");
+               exitcode = 1;
+       }
+
+       // react on option problems or help request, then exit
+       if ((exitcode) || (help)) {
                if (help) {
                        printf("This program creates Linksys style images for the WRT350Nv2 router.\n");
                }
                printf("  Usage:\n\
                if (help) {
                        printf("This program creates Linksys style images for the WRT350Nv2 router.\n");
                }
                printf("  Usage:\n\
-  %s [-h] [-z] [-f <version>] [-v] <parameter or zip file> <output file>\n\n\
+  %s [-h] [-b] [-z] [-f <version>] [-v] <parameter or zip file> [<image file>]\n\n\
   Options:\n\
   -h            -  Show this help\n\
   Options:\n\
   -h            -  Show this help\n\
+  -b            -  Create only bin file, no img or zip file is created\n\
   -z            -  Have zip file, the img file will be directly created from it\n\
   -f <version>  -  Wanted firmware version to use with -z\n\
   -z            -  Have zip file, the img file will be directly created from it\n\
   -f <version>  -  Wanted firmware version to use with -z\n\
-                   Default firmware version is 0x2019 = 2.00.19.\n\
+                   Default firmware version is 0x2020 = 2.00.20.\n\
                    Note: version from parameter file will supersede this\n\
   -v            -  Increase debug verbosity level\n\n\
   Example:\n\
                    Note: version from parameter file will supersede this\n\
   -v            -  Increase debug verbosity level\n\n\
   Example:\n\
@@ -853,29 +870,37 @@ int main(int argc, char *argv[]) {
                par_filename = NULL;
        }
 
                par_filename = NULL;
        }
 
-       lprintf(DEBUG_LVL2, " verbosity: %i\n", verbosity);
-       lprintf(DEBUG_LVL2, " program: %s\n", argv[0]);
+       lprintf(DEBUG_LVL2, " Verbosity: %i\n", verbosity);
+       lprintf(DEBUG_LVL2, " Program: %s\n", argv[0]);
 
 
-       lprintf(DEBUG, "Parameter file: %s\n", par_filename);
-       lprintf(DEBUG, "Output file: %s\n", out_filename);
-       lprintf(DEBUG_LVL2, " basename: %s (%i)\n", base_filename, strlen(base_filename));
+       if (par_filename) {
+               lprintf(DEBUG, "Parameter file: %s\n", par_filename);
+       }
+       if (zip_filename) {
+               lprintf(DEBUG, "Zip file: %s\n", zip_filename);
+       }
+       if (img_filename) {
+               lprintf(DEBUG, "Image file: %s\n", img_filename);
+       }
 
 
 // open files from command line
 
 
 // open files from command line
-       // parameter file
-       if (par_filename != NULL) {
-               f_par = fopen(par_filename, "r");
-               if (f_par == NULL) {
+       // parameter/zip file
+       if (par_filename) {
+               f_par = fopen(par_filename, "rt");
+               if (!f_par) {
                        exitcode = errno;
                        exitcode = errno;
-                       printf("input file %s: %s\n", par_filename, strerror(exitcode));
+                       printf("Input file %s: %s\n", par_filename, strerror(exitcode));
                }
        }
 
                }
        }
 
-       // output file
-       f_out = fopen(out_filename, "w");
-       if (f_out == NULL) {
-               exitcode = errno;
-               printf("Output file %s: %s\n", out_filename, strerror(exitcode));
+       // image file
+       if (img_filename) {
+               f_img = fopen(img_filename, "wb");
+               if (!f_img) {
+                       exitcode = errno;
+                       printf("Output file %s: %s\n", img_filename, strerror(exitcode));
+               }
        }
 
        if (exitcode) {
        }
 
        if (exitcode) {
@@ -884,20 +909,20 @@ int main(int argc, char *argv[]) {
 
 
 // parameter file processing
 
 
 // parameter file processing
-       if (!exitcode && par_filename != NULL) {
+       if ((!exitcode) && (f_par)) {
                lprintf(DEBUG, "parsing parameter file...\n");
 
                exitcode = parse_par_file(f_par);
 
                lprintf(DEBUG, "...done parsing file\n");
        }
                lprintf(DEBUG, "parsing parameter file...\n");
 
                exitcode = parse_par_file(f_par);
 
                lprintf(DEBUG, "...done parsing file\n");
        }
-       if (par_filename != NULL) {
+       if (f_par) {
                fclose(f_par);
        }
 
 
 // check all input data
                fclose(f_par);
        }
 
 
 // check all input data
-       if (!exitcode && par_filename != NULL) {
+       if ((!exitcode) && (par_filename)) {
                lprintf(DEBUG, "checking mtd data...\n");
 
                for (i = 1; i <= 3; i++) {
                lprintf(DEBUG, "checking mtd data...\n");
 
                for (i = 1; i <= 3; i++) {
@@ -936,20 +961,20 @@ int main(int argc, char *argv[]) {
                                        printf("unknown mtd check %i\n", i);
                                        break;
                        }
                                        printf("unknown mtd check %i\n", i);
                                        break;
                        }
-                       if (mtd == NULL) {
+                       if (!mtd) {
                                break;
                        }
 
                        lprintf(DEBUG_LVL2, " checking mtd %s\n", mtd->name);
 
                        // general checks
                                break;
                        }
 
                        lprintf(DEBUG_LVL2, " checking mtd %s\n", mtd->name);
 
                        // general checks
-                       if (mandatory && mtd->filename == NULL) {
+                       if ((mandatory) && (!mtd->filename)) {
                                exitcode = 1;
                                printf("mtd %s not specified correctly or at all in parameter file\n", mtd->name);
                        }
 
                        // end checks if no file data present
                                exitcode = 1;
                                printf("mtd %s not specified correctly or at all in parameter file\n", mtd->name);
                        }
 
                        // end checks if no file data present
-                       if (mtd->filename == NULL) {
+                       if (!mtd->filename) {
                                continue;
                        }
 
                                continue;
                        }
 
@@ -960,7 +985,7 @@ int main(int argc, char *argv[]) {
 
                        // general magic number check
                        if (magic[0]) {
 
                        // general magic number check
                        if (magic[0]) {
-                               if (mtd->magic[0] != magic[0] || mtd->magic[1] != magic[1]) {
+                               if ((mtd->magic[0] != magic[0]) || (mtd->magic[1] != magic[1])) {
                                        exitcode = 1;
                                        printf("mtd %s input file %s has wrong magic number (0x%02X%02X)\n", mtd->name, mtd->filename, mtd->magic[0], mtd->magic[1]);
                                }
                                        exitcode = 1;
                                        printf("mtd %s input file %s has wrong magic number (0x%02X%02X)\n", mtd->name, mtd->filename, mtd->magic[0], mtd->magic[1]);
                                }
@@ -992,10 +1017,8 @@ int main(int argc, char *argv[]) {
 
 
 // bin creation in memory
 
 
 // bin creation in memory
-       if (!exitcode && par_filename != NULL) {
-               // create bin name from basename
-               bin_filename = malloc(strlen(base_filename)+10);
-               sprintf(bin_filename, "%s.bin", base_filename);
+       if ((!exitcode) && (par_filename)) {
+               bin_filename = "wrt350n.bin";
 
                lprintf(DEBUG, "creating bin file %s...\n", bin_filename);
 
 
                lprintf(DEBUG, "creating bin file %s...\n", bin_filename);
 
@@ -1004,12 +1027,9 @@ int main(int argc, char *argv[]) {
                lprintf(DEBUG, "...done creating bin file\n");
        }
 
                lprintf(DEBUG, "...done creating bin file\n");
        }
 
-
 // zip file creation
 // zip file creation
-       if (!exitcode && zip_filename == NULL) {
-               // create zip name from basename
-               zip_filename = malloc(strlen(base_filename)+10);
-               sprintf(zip_filename, "%s.zip", base_filename);
+       if ((!exitcode) && (!onlybin) && (!zip_filename)) {
+               zip_filename = "wrt350n.zip";
 
                lprintf(DEBUG, "creating zip file %s...\n", zip_filename);
 
 
                lprintf(DEBUG, "creating zip file %s...\n", zip_filename);
 
@@ -1020,15 +1040,18 @@ int main(int argc, char *argv[]) {
 
 
 // img file creation
 
 
 // img file creation
-       if (!exitcode) {
+       if ((!exitcode) && (f_img)) {
                lprintf(DEBUG, "creating img file...\n");
 
                lprintf(DEBUG, "creating img file...\n");
 
-               exitcode = create_img_file(f_out, out_filename, zip_filename);
+               exitcode = create_img_file(f_img, img_filename, zip_filename);
 
                lprintf(DEBUG, "...done creating img file\n");
        }
 
                lprintf(DEBUG, "...done creating img file\n");
        }
-       fclose(f_out);
 
 
+// clean up
+       if (f_img) {
+               fclose(f_img);
+       }
 
 // end program
        return exitcode;
 
 // end program
        return exitcode;
Personal OpenWRT clone
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