102 lines
3.9 KiB
C
102 lines
3.9 KiB
C
#include "magiskboot.h"
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/********************
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Patch Boot Image
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*********************/
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static void usage(char *arg0) {
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fprintf(stderr,
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"%s --unpack <bootimg>\n"
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" Unpack <bootimg> to kernel, ramdisk.cpio, (second), (dtb) into the\n current directory\n"
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"\n"
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"%s --repack <origbootimg> [outbootimg]\n"
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" Repack kernel, ramdisk.cpio[.ext], second, dtb... from current directory\n"
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" to [outbootimg], or new-boot.img if not specified.\n"
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" It will compress ramdisk.cpio with the same method used in <origbootimg>\n"
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" if exists, or attempt to find ramdisk.cpio.[ext], and repack\n"
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" directly with the compressed ramdisk file\n"
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"\n"
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"%s --hexpatch <file> <hexpattern1> <hexpattern2>\n"
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" Search <hexpattern1> in <file>, and replace with <hexpattern2>\n"
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"\n"
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"%s --cpio-<cmd> <incpio> [flags...] [params...]\n"
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" Do cpio related cmds to <incpio> (modifications are done directly)\n Supported commands and params:\n"
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" -rm [-r] <entry>\n Remove entry from <incpio>, flag -r to remove recursively\n"
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" -mkdir <mode> <entry>\n Create directory as an <entry>\n"
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" -add <mode> <entry> <infile>\n Add <infile> as an <entry>; replaces <entry> if already exists\n"
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" -mv <from-entry> <to-entry>\n Move <from-entry> to <to-entry>\n"
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" -extract <entry> <outfile>\n Extract <entry> to <outfile>\n"
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" -test \n Return value: 0/not patched 1/Magisk 2/Other (e.g. phh, SuperSU)\n"
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" -patch <KEEPVERITY> <KEEPFORCEENCRYPT>\n Patch cpio for Magisk. KEEP**** are true/false values\n"
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" -backup <origcpio>\n Create ramdisk backups into <incpio> from <origcpio>\n"
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" -restore\n Restore ramdisk from ramdisk backup within <incpio>\n"
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" -stocksha1\n Get stock boot SHA1 recorded within <incpio>\n"
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"\n"
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"%s --compress[=method] <infile> [outfile]\n"
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" Compress <infile> with [method] (default: gzip), optionally to [outfile]\n Supported methods: "
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, arg0, arg0, arg0, arg0, arg0);
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for (int i = 0; SUP_LIST[i]; ++i)
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fprintf(stderr, "%s ", SUP_LIST[i]);
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fprintf(stderr,
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"\n"
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"\n"
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"%s --decompress <infile> [outfile]\n"
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" Detect method and decompress <infile>, optionally to [outfile]\n Supported methods: "
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, arg0);
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for (int i = 0; SUP_LIST[i]; ++i)
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fprintf(stderr, "%s ", SUP_LIST[i]);
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fprintf(stderr,
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"\n"
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"\n"
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"%s --sha1 <file>\n"
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" Print the SHA1 checksum for <file>\n"
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"\n"
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"%s --cleanup\n"
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" Cleanup the current working directory\n"
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"\n"
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, arg0, arg0);
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exit(1);
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}
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int main(int argc, char *argv[]) {
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fprintf(stderr, "MagiskBoot v" xstr(MAGISK_VERSION) "(" xstr(MAGISK_VER_CODE) ") (by topjohnwu) - Boot Image Modification Tool\n\n");
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if (argc > 1 && strcmp(argv[1], "--cleanup") == 0) {
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cleanup();
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} else if (argc > 2 && strcmp(argv[1], "--sha1") == 0) {
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char sha1[21], *buf;
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size_t size;
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mmap_ro(argv[2], (void **) &buf, &size);
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SHA1(sha1, buf, size);
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for (int i = 0; i < 20; ++i)
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printf("%02x", sha1[i]);
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printf("\n");
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munmap(buf, size);
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} else if (argc > 2 && strcmp(argv[1], "--unpack") == 0) {
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unpack(argv[2]);
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} else if (argc > 2 && strcmp(argv[1], "--repack") == 0) {
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repack(argv[2], argc > 3 ? argv[3] : NEW_BOOT);
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} else if (argc > 2 && strcmp(argv[1], "--decompress") == 0) {
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decomp_file(argv[2], argc > 3 ? argv[3] : NULL);
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} else if (argc > 2 && strncmp(argv[1], "--compress", 10) == 0) {
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char *method;
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method = strchr(argv[1], '=');
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if (method == NULL) method = "gzip";
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else method++;
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comp_file(method, argv[2], argc > 3 ? argv[3] : NULL);
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} else if (argc > 4 && strcmp(argv[1], "--hexpatch") == 0) {
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hexpatch(argv[2], argv[3], argv[4]);
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} else if (argc > 2 && strncmp(argv[1], "--cpio", 6) == 0) {
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char *command;
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command = strchr(argv[1] + 2, '-');
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if (command == NULL) usage(argv[0]);
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else ++command;
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if (cpio_commands(command, argc - 2, argv + 2)) usage(argv[0]);
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} else {
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usage(argv[0]);
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}
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return 0;
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}
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