move source files to own subdirectory

[rsbs2] / filesystem.c

diff --git a/filesystem.c b/filesystem.c
deleted file mode 100644 (file)
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;
-}