120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
#include <data/common.h>
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#include <data/find.h>
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#include <data/binary.h>
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#include <data/cc.h>
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#include <config/placeholder.h>
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#include <data/running_kernel.h>
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#include <data/dyld_cache_format.h>
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static struct binary binary;
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// count the number of set bits
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static int count_ones(uint32_t number) {
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int result = 0;
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for(; number; number >>= 1) {
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result += (number & 1);
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}
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return result;
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}
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static int position_of_nth_one(uint32_t number, int n) {
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for(int pos = 0; pos < 32; pos++) {
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if((number & (1 << pos)) && !n--) return pos;
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}
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die("no nth one (%08x, n=%d)", number, n);
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}
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void main_loop() {
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printf("+ %d\n", binary.actual_cpusubtype);
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fflush(stdout);
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while(1) {
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char arg[129]; arg[0] = 0;
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int mode = 0;
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if(scanf("%d ", &mode) != 1) die("?");
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if(!fgets(arg, sizeof(arg), stdin)) die("?");
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arg[strlen(arg) - 1] = 0;
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addr_t result;
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if(mode == 0) {
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result = b_find_anywhere(&binary, arg, arg[0] == '+' ? 2 : 4, false);
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} else if(mode == 1) {
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result = b_sym(&binary, arg, true);
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} else if(mode == 2) {
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result = b_private_sym(&binary, arg, true);
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} else if(mode == 3) {
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b_dyldcache_load_macho(&binary, arg);
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result = 0;
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} else die("mode?");
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printf("+ %x\n", result);
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fflush(stdout);
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}
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}
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int main(int argc, char **argv) {
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b_init(&binary);
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char **p = &argv[1];
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if(!p[0]) goto usage;
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while(p[0]) {
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if(p[0][0] == '-') switch(p[0][1]) {
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case 'C':
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b_load_running_dyldcache(&binary, (void *) 0x30000000);
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p++;
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break;
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case 'c':
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if(!p[1]) goto usage;
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b_load_dyldcache(&binary, p[1], false);
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p += 2;
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break;
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case 'k':
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if(!p[1]) goto usage;
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b_load_macho(&binary, p[1], false);
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p += 2;
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break;
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case 'd':
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if(!p[1]) goto usage;
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b_load_macho(&binary, p[1], false);
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p += 2;
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break;
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case 'K': {
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b_running_kernel_load_macho(&binary);
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p++;
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break;
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}
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#ifdef IMG3_SUPPORT
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case 'i': {
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if(!p[1] || !p[2] || !p[3]) goto usage;
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uint32_t key_bits;
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prange_t key = parse_hex_string(p[2]);
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prange_t iv = parse_hex_string(p[3]);
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prange_t data = parse_img3_file(p[1], &key_bits);
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prange_t kern = decrypt_and_decompress(key_bits, key, iv, data);
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b_prange_load_macho(&binary, kern, false);
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p += 4;
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break;
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}
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#endif
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default:
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goto usage;
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}
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}
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main_loop();
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return 0;
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usage:
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fprintf(stderr, "Usage: dmini (-c cache | -C | -d dyld | -k kc | -K"
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#ifdef IMG3_SUPPORT
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" | -i kernel_img3 key iv"
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#endif
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")\n");
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return 1;
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}
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