X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/rsbs2/blobdiff_plain/a97855ded317db6025710edc487d337cbd5f0ad2..05b6bf30040b7d3f2219919168b4c159045a909b:/filesystem.c

diff --git a/filesystem.c b/filesystem.c
deleted file mode 100644
index d644679..0000000
--- a/filesystem.c
+++ /dev/null
@@ -1,232 +0,0 @@
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <limits.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <strings.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <libgen.h>
-#include "rsb-lz.h"
-#include "filesystem.h"
-
-struct file_entry* get_next_file(unsigned char *fw, int len)
-{
-	static unsigned char *pos;
-	static unsigned char *start;
-	static unsigned char *end;
-	static struct file_entry fent;
-	int name_length;
-
-	if (fw != NULL && len != 0) {
-		pos = fw + 0x28;
-
-#if 0
-		printf("Start of filesystem: 0x%08x\n", *((unsigned int*)pos));
-#endif
-		start = fw;
-		pos = fw + *((unsigned int*)pos);
-		end = fw + len;
-	}
-
-	fent.unknown = *pos;
-	pos++;
-
-	if (fent.unknown == 0x00) {
-		/* EOF */
-		int fill = (4 - ((pos - start) % 4)) % 4;
-		int i;
-
-		for (i = 0; i < fill; i++) {
-			if (*pos != 0xff) {
-				fprintf(stderr, "Wrong fill byte after EOF: 0x%02x, aborting!\n", *pos);
-				exit(1);
-			}
-			pos++;
-		}
-
-		if (pos != end) {
-			fprintf(stderr, "EOF marker not at end-of-file %p <-> %p, aborting!\n", pos, end);
-			exit(1);
-		}
-
-		return NULL;
-	}
-
-
-	name_length = *((unsigned int*)pos);
-	pos += 4;
-
-	fent.length = *((unsigned int*)pos);
-	pos += 4;
-
-	if ((fent.length > (end - pos)) ||
-	    (name_length > (end - pos))) {
-		printf("EOF reached without hitting EOF marker, aborting "
-			"(unknown: 0x%02x, namelen: 0x%08x, contentlen: 0x%08x!\n",
-			fent.unknown, name_length, fent.length);
-		exit(1);
-	}
-
-	fent.name = (char*)pos;
-	pos += name_length;
-
-	fent.start = pos;
-	pos += fent.length;
-
-	return &fent;
-}
-
-void extract_files(unsigned char *fw, int len)
-{
-	struct file_entry *fent;
-
-	fent = get_next_file(fw, len);
-	
-	while (fent) {
-		printf("%s: unknown: 0x%02x, length: %d, ",
-			fent->name, fent->unknown, fent->length);
-
-		if (fent->length > 0) {
-			write_file(extracted_file(fent->name), fent->start, fent->length);
-			if (*((unsigned int*)fent->start) == LZ_MAGIC) {
-				char *lzname;
-				unsigned char *outbuf;
-				unsigned int outlen;
-
-				if ((lzname = strdup(fent->name)) == NULL) {
-					perror("strdup");
-					exit(1);
-				}
-
-				if (!strcmp(lzname + strlen(lzname) - 4 , ".lz")) {
-					fprintf(stderr, "Ugh, can't derive filename...\n");
-					exit(1);
-				}
-				lzname[strlen(lzname) - 3] = 0x00;
-
-				printf("%s: packed file found, ", lzname);
-
-				outbuf = extract_lz_file(fent->start, &outlen, 0);
-				write_file(extracted_file((char*)lzname), outbuf, outlen);
-
-				free(outbuf);
-				free(lzname);
-			} else if (!strcmp(fent->name, "firmware")) {
-				unsigned char *lzpos;
-				char lzname[128];
-
-				bzero(lzname, sizeof(lzname));
-				strcpy(lzname, "firmware.");
-
-				lzpos = fent->start + *((unsigned int*)(fent->start + 0x20));
-				memcpy(lzname + strlen(lzname), lzpos - 4, 4);
-				lzpos += 4;
-				if (*((unsigned int*)(lzpos)) == LZ_MAGIC) {
-					unsigned char *outbuf;
-					unsigned int outlen;
-
-					printf("%s: compressed firmware part found", lzname);
-					outbuf = extract_lz_file(lzpos, &outlen, 1);
-					printf(", ");
-					write_file(extracted_file((char*)lzname), outbuf, outlen);
-
-					free(outbuf);
-				}
-			}
-		} else {
-			printf(", ignoring...\n");
-		}
-		fent = get_next_file(NULL, 0);
-	}
-}
-
-void replace_add_file(unsigned char *fw, int len, char *fwname, char *lname)
-{
-	fprintf(stderr, "%s: Implement me!\n", __func__);
-	exit(1);
-}
-
-void list_files(unsigned char *fw, int len)
-{
-	struct file_entry *fent;
-
-	for (fent = get_next_file(fw, len); fent != NULL; fent = get_next_file(NULL, 0)) {
-		printf("0x%x %8d %s\n", fent->unknown, fent->length, fent->name);
-	}
-
-}
-
-void mkdir_p(char *dir)
-{
-	char *copy, *parent;
-
-	if ((dir == NULL) || (!strcmp(dir, ".")))
-		return;
-
-	if ((copy = strdup(dir)) == NULL) {
-		perror("strdup");
-		exit(1);
-	}
-	parent = dirname(copy);
-	mkdir_p(parent);
-
-	errno = 0;
-	if (mkdir(dir, 0755) == -1) {
-		if (errno != EEXIST) {
-			fprintf(stderr, "%s: ", dir);
-			perror("mkdir");
-			exit(1);
-		}
-	}
-	free(copy);
-}
-
-void write_file(char *fname, unsigned char *buf, int len)
-{
-	char *filename_c, *dirn;
-	int fd;
-	int remaining;
-	int ret;
-
-	if ((filename_c = strdup(fname)) == NULL) {
-		perror("strdup");
-		exit(1);
-	}
-	dirn = dirname(filename_c);
-	mkdir_p(dirn);
-	free(filename_c);
-
-	if ((fd = open(fname, O_WRONLY|O_CREAT, 0644)) == -1) {
-		fprintf(stderr, "%s: ", fname);
-		perror("open");
-		exit(1);
-	}
-
-	remaining = len;
-
-	while(remaining) {
-		ret = write(fd, buf + (len - remaining), remaining);
-		if (ret < 0) {
-			perror("write");
-			exit(1);
-		}
-		remaining -= ret;
-	}
-
-	printf("%s written.\n", fname);
-
-	close(fd);
-}
-
-char *extracted_file(char *fname)
-{
-	static char filename[PATH_MAX];
-
-	strcpy(filename, "extracted/");
-	strcat(filename, fname);
-
-	return filename;
-}