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Add cpio extract all feature

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This commit is contained in:
topjohnwu
2017-12-05 03:32:37 +08:00
parent e649b0a2df
commit 4672a5fad6
4 changed files with 35 additions and 7 deletions
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27
core/jni/utils/cpio.c
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@ -168,7 +168,7 @@ void cpio_ln(struct vector *v, const char *target, const char *entry) {
cpio_entry *f = xcalloc(sizeof(*f), 1);
f->mode = S_IFLNK;
f->filename = strdup(entry);
f->filesize = strlen(target) + 1;
f->filesize = strlen(target);
f->data = strdup(target);
cpio_vec_insert(v, f);
fprintf(stderr, "Create symlink [%s] -> [%s]\n", entry, target);
@ -220,7 +220,9 @@ int cpio_extract(struct vector *v, const char *entry, const char *filename) {
fchown(fd, f->uid, f->gid);
close(fd);
} else if (S_ISLNK(f->mode)) {
symlink(f->data, filename);
char *target = xcalloc(f->filesize + 1, 1);
memcpy(target, f->data, f->filesize);
symlink(target, filename);
}
return 0;
}
@ -229,6 +231,27 @@ int cpio_extract(struct vector *v, const char *entry, const char *filename) {
return 1;
}
void cpio_extract_all(struct vector *v) {
cpio_entry *f;
vec_for_each(v, f) {
fprintf(stderr, "Extracting [%s]\n", f->filename);
unlink(f->filename);
rmdir(f->filename);
if (S_ISDIR(f->mode)) {
mkdir(f->filename, f->mode & 0777);
} else if (S_ISREG(f->mode)) {
int fd = creat(f->filename, f->mode & 0777);
xwrite(fd, f->data, f->filesize);
fchown(fd, f->uid, f->gid);
close(fd);
} else if (S_ISLNK(f->mode)) {
char *target = xcalloc(f->filesize + 1, 1);
memcpy(target, f->data, f->filesize);
symlink(target, f->filename);
}
}
}
int cpio_test(struct vector *v) {
#define STOCK_BOOT 0x0
#define MAGISK_PATCH 0x1