Mirrors/Magisk
1
0
Fork 0
mirror of https://github.com/topjohnwu/Magisk.git synced 2025-06-12 13:17:39 +02:00
Code Issues Packages Projects Releases Wiki Activity

Add basic cpio features

Browse Source
This commit is contained in:
topjohnwu
2017-03-08 00:54:23 +08:00
parent a4ce9f6f05
commit 1e3bcfc8cd
8 changed files with 367 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files

118
jni/magiskboot/main.c
View File

@ -6,22 +6,36 @@
static void usage(char *arg0) {
fprintf(stderr, "\n");
fprintf(stderr, "%s --unpack <bootimage>\n", arg0);
fprintf(stderr, " Unpack <bootimage> to kernel, ramdisk.cpio, (second), (dtb) into the\n current directory\n\n");
fprintf(stderr, "%s --repack <bootimage>\n", arg0);
fprintf(stderr, "%s --unpack <bootimg>\n", arg0);
fprintf(stderr, " Unpack <bootimg> to kernel, ramdisk.cpio, (second), (dtb) into the\n current directory\n\n");
fprintf(stderr, "%s --repack <origbootimg> [outbootimg]\n", arg0);
fprintf(stderr, " Repack kernel, ramdisk.cpio[.ext], second, dtb... from current directory\n");
fprintf(stderr, " to new-image.img. <bootimage> is the original boot image you've just unpacked.\n");
fprintf(stderr, " If file ramdisk.cpio exists, it will auto re-compress with the same method\n");
fprintf(stderr, " used in <bootimage>, or it will attempt to find ramdisk.cpio.[ext], and repack\n");
fprintf(stderr, " directly with the compressed file\n\n");
fprintf(stderr, " to [outbootimg], or new-boot.img if not specified.\n");
fprintf(stderr, " It will compress ramdisk.cpio with the same method used in <origbootimg>\n");
fprintf(stderr, " if exists, or attempt to find ramdisk.cpio.[ext], and repack\n");
fprintf(stderr, " directly with the compressed ramdisk file\n\n");
fprintf(stderr, "%s --hexpatch <file> <hexpattern1> <hexpattern2>\n", arg0);
fprintf(stderr, " Search <hexpattern1> in <file>, and replace with <hexpattern2>\n\n");
fprintf(stderr, "%s --cpio-<cmd> <incpio> <outcpio> [flags...] [params...]\n", arg0);
fprintf(stderr, " Do cpio related cmds to <incpio> and output to <outcpio>\n Supported commands:\n");
fprintf(stderr, " --cpio-rm [-r] <entry>\n Remove entry from cpio, flag -r to remove recursively\n");
fprintf(stderr, " --cpio-mkdir <mode> <entry>\n Create directory as an <entry>\n");
fprintf(stderr, " --cpio-add <mode> <entry> <infile>\n Add <infile> as an <entry>; will replace <entry> if already exists\n");
fprintf(stderr, " e.g: the command to add /tmp/tmpfile as entry init.magisk.rc:\n");
fprintf(stderr, " %s --cpio-add <incpio> <outcpio> 0750 init.magisk.rc /tmp/tmpfile\n\n", arg0);
fprintf(stderr, "%s --compress[=method] <file>\n", arg0);
fprintf(stderr, " Compress <file> with [method], or gzip if not specified.\n Supported methods: " SUP_LIST "\n\n");
fprintf(stderr, "%s --decompress <file>\n", arg0);
fprintf(stderr, " Auto check file type, and decompress <file> accordingly\n Supported methods: " SUP_LIST "\n\n");
fprintf(stderr, "%s --cleanup\n", arg0);
fprintf(stderr, " Cleanup the current working directory\n\n");
exit(1);
}
@ -36,33 +50,67 @@ void error(int rc, const char *msg, ...) {
int main(int argc, char *argv[]) {
printf("MagiskBoot (by topjohnwu) - Boot Image Modification Tool\n");
if (argc < 3) {
if (strcmp(argv[1], "--cleanup") == 0) {
cleanup();
} else {
usage(argv[0]);
}
} else {
if (strcmp(argv[1], "--unpack") == 0) {
unpack(argv[2]);
} else if (strcmp(argv[1], "--repack") == 0) {
repack(argv[2]);
} else if (strcmp(argv[1], "--hexpatch") == 0) {
if (argc < 5)
usage(argv[0]);
hexpatch(argv[2], argv[3], argv[4]);
} else if (strcmp(argv[1], "--decompress") == 0) {
decomp_file(argv[2]);
} else if (strstr(argv[1], "--compress") != NULL) {
char *method;
method = strchr(argv[1], '=');
if (method == NULL) method = "gzip";
else method++;
comp_file(method, argv[2]);
} else {
usage(argv[0]);
}
}
return 0;
if (argc > 1 && strcmp(argv[1], "--cleanup") == 0) {
cleanup();
} else if (argc > 2 && strcmp(argv[1], "--unpack") == 0) {
unpack(argv[2]);
} else if (argc > 2 && strcmp(argv[1], "--repack") == 0) {
repack(argv[2], argc > 3 ? argv[3] : NEW_BOOT);
} else if (argc > 2 && strcmp(argv[1], "--decompress") == 0) {
decomp_file(argv[2]);
} else if (argc > 2 && strncmp(argv[1], "--compress", 10) == 0) {
char *method;
method = strchr(argv[1], '=');
if (method == NULL) method = "gzip";
else method++;
comp_file(method, argv[2]);
} else if (argc > 4 && strcmp(argv[1], "--hexpatch") == 0) {
hexpatch(argv[2], argv[3], argv[4]);
} else if (argc > 4 && strncmp(argv[1], "--cpio", 6) == 0) {
int recursive = 0;
char *command;
command_t cmd;
command = strchr(argv[1] + 2, '-');
if (command == NULL) usage(argv[0]);
else command++;
if (strcmp(command, "rm") == 0) {
cmd = RM;
if (argc > 5 && strcmp(argv[4], "-r") == 0) {
recursive = 1;
argv[4] = argv[5];
argc--;
}
} else if (argc > 5 && strcmp(command, "mkdir") == 0) {
cmd = MKDIR;
} else if (argc > 6 && strcmp(command, "add") == 0) {
cmd = ADD;
} else {
cmd = NONE;
usage(argv[0]);
}
vector v;
vec_init(&v);
parse_cpio(argv[2], &v);
switch(cmd) {
case RM:
cpio_rm(recursive, argv[4], &v);
break;
case MKDIR:
cpio_mkdir(strtoul(argv[4], NULL, 8), argv[5], &v);
break;
case ADD:
cpio_add(strtoul(argv[4], NULL, 8), argv[5], argv[6], &v);
break;
default:
// Never happen
break;
}
dump_cpio(argv[3], &v);
cpio_vec_destroy(&v);
} else {
usage(argv[0]);
}
return 0;
}