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-rw-r--r--jffs2reader.c77
1 files changed, 39 insertions, 38 deletions
diff --git a/jffs2reader.c b/jffs2reader.c
index 11f841d..1a211db 100644
--- a/jffs2reader.c
+++ b/jffs2reader.c
@@ -88,9 +88,8 @@ BUGS:
#define MINOR(dev) ((dev)&0xff)
#endif
-
-#define DIRENT_INO(dirent) ((dirent)!=NULL?(dirent)->ino:0)
-#define DIRENT_PINO(dirent) ((dirent)!=NULL?(dirent)->pino:0)
+#define DIRENT_INO(dirent) ((dirent) !=NULL ? je32_to_cpu((dirent)->ino) : 0)
+#define DIRENT_PINO(dirent) ((dirent) !=NULL ? je32_to_cpu((dirent)->pino) : 0)
struct dir {
struct dir *next;
@@ -135,28 +134,28 @@ int main(int, char **);
void putblock(char *b, size_t bsize, size_t * rsize,
struct jffs2_raw_inode *n)
{
- uLongf dlen = n->dsize;
+ uLongf dlen = je32_to_cpu(n->dsize);
- if (n->isize > bsize || (n->offset + dlen) > bsize)
+ if (je32_to_cpu(n->isize) > bsize || (je32_to_cpu(n->offset) + dlen) > bsize)
errmsg_die("File does not fit into buffer!");
- if (*rsize < n->isize)
- bzero(b + *rsize, n->isize - *rsize);
+ if (*rsize < je32_to_cpu(n->isize))
+ bzero(b + *rsize, je32_to_cpu(n->isize) - *rsize);
switch (n->compr) {
case JFFS2_COMPR_ZLIB:
- uncompress((Bytef *) b + n->offset, &dlen,
+ uncompress((Bytef *) b + je32_to_cpu(n->offset), &dlen,
(Bytef *) ((char *) n) + sizeof(struct jffs2_raw_inode),
- (uLongf) n->csize);
+ (uLongf) je32_to_cpu(n->csize));
break;
case JFFS2_COMPR_NONE:
- memcpy(b + n->offset,
+ memcpy(b + je32_to_cpu(n->offset),
((char *) n) + sizeof(struct jffs2_raw_inode), dlen);
break;
case JFFS2_COMPR_ZERO:
- bzero(b + n->offset, dlen);
+ bzero(b + je32_to_cpu(n->offset), dlen);
break;
/* [DYN]RUBIN support required! */
@@ -165,7 +164,7 @@ void putblock(char *b, size_t bsize, size_t * rsize,
errmsg_die("Unsupported compression method!");
}
- *rsize = n->isize;
+ *rsize = je32_to_cpu(n->isize);
}
/* adds/removes directory node into dir struct. */
@@ -184,13 +183,13 @@ struct dir *putdir(struct dir *dd, struct jffs2_raw_dirent *n)
o = dd;
- if (n->ino) {
+ if (je32_to_cpu(n->ino)) {
if (dd == NULL) {
d = xmalloc(sizeof(struct dir));
d->type = n->type;
memcpy(d->name, n->name, n->nsize);
d->nsize = n->nsize;
- d->ino = n->ino;
+ d->ino = je32_to_cpu(n->ino);
d->next = NULL;
return d;
@@ -200,7 +199,7 @@ struct dir *putdir(struct dir *dd, struct jffs2_raw_dirent *n)
if (n->nsize == dd->nsize &&
!memcmp(n->name, dd->name, n->nsize)) {
dd->type = n->type;
- dd->ino = n->ino;
+ dd->ino = je32_to_cpu(n->ino);
return o;
}
@@ -210,7 +209,7 @@ struct dir *putdir(struct dir *dd, struct jffs2_raw_dirent *n)
dd->next->type = n->type;
memcpy(dd->next->name, n->name, n->nsize);
dd->next->nsize = n->nsize;
- dd->next->ino = n->ino;
+ dd->next->ino = je32_to_cpu(n->ino);
dd->next->next = NULL;
return o;
@@ -301,6 +300,7 @@ void printdir(char *o, size_t size, struct dir *d, char *path, int recurse)
char *filetime;
time_t age;
struct jffs2_raw_inode *ri;
+ jint32_t mode;
if (!path)
return;
@@ -348,16 +348,17 @@ void printdir(char *o, size_t size, struct dir *d, char *path, int recurse)
}
filetime = ctime((const time_t *) &(ri->ctime));
- age = time(NULL) - ri->ctime;
- printf("%s %-4d %-8d %-8d ", mode_string(ri->mode),
- 1, ri->uid, ri->gid);
+ age = time(NULL) - je32_to_cpu(ri->ctime);
+ mode.v32 = ri->mode.m;
+ printf("%s %-4d %-8d %-8d ", mode_string(je32_to_cpu(mode)),
+ 1, je16_to_cpu(ri->uid), je16_to_cpu(ri->gid));
if ( d->type==DT_BLK || d->type==DT_CHR ) {
dev_t rdev;
size_t devsize;
putblock((char*)&rdev, sizeof(rdev), &devsize, ri);
printf("%4d, %3d ", (int)MAJOR(rdev), (int)MINOR(rdev));
} else {
- printf("%9ld ", (long)ri->dsize);
+ printf("%9ld ", (long)je32_to_cpu(ri->dsize));
}
d->name[d->nsize]='\0';
if (age < 3600L * 24 * 365 / 2 && age > -15 * 60) {
@@ -439,12 +440,12 @@ struct jffs2_raw_inode *find_raw_inode(char *o, size_t size, uint32_t ino)
lr = n;
do {
- while (n < e && n->u.magic != JFFS2_MAGIC_BITMASK)
+ while (n < e && je16_to_cpu(n->u.magic) != JFFS2_MAGIC_BITMASK)
((char *) n) += 4;
- if (n < e && n->u.magic == JFFS2_MAGIC_BITMASK) {
- if (n->u.nodetype == JFFS2_NODETYPE_INODE &&
- n->i.ino == ino && (v = n->i.version) > vcur) {
+ if (n < e && je16_to_cpu(n->u.magic) == JFFS2_MAGIC_BITMASK) {
+ if (je16_to_cpu(n->u.nodetype) == JFFS2_NODETYPE_INODE &&
+ je32_to_cpu(n->i.ino) == ino && (v = je32_to_cpu(n->i.version)) > vcur) {
/* XXX crc check */
if (vmaxt < v)
@@ -458,7 +459,7 @@ struct jffs2_raw_inode *find_raw_inode(char *o, size_t size, uint32_t ino)
return (&(n->i));
}
- ((char *) n) += ((n->u.totlen + 3) & ~3);
+ ((char *) n) += ((je32_to_cpu(n->u.totlen) + 3) & ~3);
} else
n = (union jffs2_node_union *) o; /* we're at the end, rewind to the beginning */
@@ -507,12 +508,12 @@ struct dir *collectdir(char *o, size_t size, uint32_t ino, struct dir *d)
lr = n;
do {
- while (n < e && n->u.magic != JFFS2_MAGIC_BITMASK)
+ while (n < e && je16_to_cpu(n->u.magic) != JFFS2_MAGIC_BITMASK)
((char *) n) += 4;
- if (n < e && n->u.magic == JFFS2_MAGIC_BITMASK) {
- if (n->u.nodetype == JFFS2_NODETYPE_DIRENT &&
- n->d.pino == ino && (v = n->d.version) > vcur) {
+ if (n < e && je16_to_cpu(n->u.magic) == JFFS2_MAGIC_BITMASK) {
+ if (je16_to_cpu(n->u.nodetype) == JFFS2_NODETYPE_DIRENT &&
+ je32_to_cpu(n->d.pino) == ino && (v = je32_to_cpu(n->d.version)) > vcur) {
/* XXX crc check */
if (vmaxt < v)
@@ -531,7 +532,7 @@ struct dir *collectdir(char *o, size_t size, uint32_t ino, struct dir *d)
}
}
- ((char *) n) += ((n->u.totlen + 3) & ~3);
+ ((char *) n) += ((je32_to_cpu(n->u.totlen) + 3) & ~3);
} else
n = (union jffs2_node_union *) o; /* we're at the end, rewind to the beginning */
@@ -545,7 +546,7 @@ struct dir *collectdir(char *o, size_t size, uint32_t ino, struct dir *d)
lr = n =
(union jffs2_node_union *) (((char *) mp) +
- ((mp->u.totlen + 3) & ~3));
+ ((je32_to_cpu(mp->u.totlen) + 3) & ~3));
vcur = vmin;
}
@@ -594,14 +595,14 @@ struct jffs2_raw_dirent *resolvedirent(char *o, size_t size,
n = (union jffs2_node_union *) o;
do {
- while (n < e && n->u.magic != JFFS2_MAGIC_BITMASK)
+ while (n < e && je16_to_cpu(n->u.magic) != JFFS2_MAGIC_BITMASK)
((char *) n) += 4;
- if (n < e && n->u.magic == JFFS2_MAGIC_BITMASK) {
- if (n->u.nodetype == JFFS2_NODETYPE_DIRENT &&
- (!ino || n->d.ino == ino) &&
- (v = n->d.version) > vmax &&
- (!pino || (n->d.pino == pino &&
+ if (n < e && je16_to_cpu(n->u.magic) == JFFS2_MAGIC_BITMASK) {
+ if (je16_to_cpu(n->u.nodetype) == JFFS2_NODETYPE_DIRENT &&
+ (!ino || je32_to_cpu(n->d.ino) == ino) &&
+ (v = je32_to_cpu(n->d.version)) > vmax &&
+ (!pino || (je32_to_cpu(n->d.pino) == pino &&
nsize == n->d.nsize &&
!memcmp(name, n->d.name, nsize)))) {
/* XXX crc check */
@@ -612,7 +613,7 @@ struct jffs2_raw_dirent *resolvedirent(char *o, size_t size,
}
}
- ((char *) n) += ((n->u.totlen + 3) & ~3);
+ ((char *) n) += ((je32_to_cpu(n->u.totlen) + 3) & ~3);
} else
return dd;
} while (1);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 05:57:59 +0000