forked from MarcoBuster/Magisk
49 lines
1012 B
C
49 lines
1012 B
C
#include "magiskboot.h"
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static void dump(unsigned char *buf, size_t size, const char *filename) {
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int fd = open_new(filename);
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xwrite(fd, buf, size);
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close(fd);
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}
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void unpack(const char* image) {
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size_t size;
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unsigned char *orig;
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mmap_ro(image, &orig, &size);
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// Parse image
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printf("Parsing boot image: [%s]\n\n", image);
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parse_img(orig, size);
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// Dump kernel
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if (mtk_kernel) {
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kernel += 512;
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hdr.kernel_size -= 512;
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}
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dump(kernel, hdr.kernel_size, KERNEL_FILE);
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// Dump ramdisk
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if (mtk_ramdisk) {
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ramdisk += 512;
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hdr.ramdisk_size -= 512;
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}
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if (decomp(ramdisk_type, RAMDISK_FILE, ramdisk, hdr.ramdisk_size)) {
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// Dump the compressed ramdisk
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dump(ramdisk, hdr.ramdisk_size, RAMDISK_FILE ".unsupport");
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LOGE(1, "Unsupported ramdisk format! Dumped to %s\n", RAMDISK_FILE ".unsupport");
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}
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if (hdr.second_size) {
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// Dump second
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dump(second, hdr.second_size, SECOND_FILE);
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}
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if (hdr.dt_size) {
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// Dump dtb
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dump(dtb, hdr.dt_size, DTB_FILE);
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}
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munmap(orig, size);
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}
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