[*] Binary protection state of check_dst
Full RELRO Canary found NX disabled No PIE No RPATH No RUNPATH No Symbols
[*] Function printf tear down of check_dst
; assembly | /* r2dec pseudo code output */
| /* /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/bin/check_dst @ 0x401260 */
| #include <stdint.h>
|
; (fcn) main () | int32_t main () {
0x00401260 lui gp, 2 |
0x00401264 addiu gp, gp, -0x5240 |
0x00401268 addu gp, gp, t9 | gp += t9;
0x0040126c addiu sp, sp, -0x40 |
0x00401270 sw ra, 0x3c(sp) | *(var_3ch) = ra;
0x00401274 sw fp, 0x38(sp) | *(var_38h) = fp;
0x00401278 sw s0, 0x34(sp) | *(var_34h) = s0;
0x0040127c move fp, sp | fp = sp;
0x00401280 sw gp, 0x10(sp) | *(var_10h) = gp;
0x00401284 sw a0, 0x1c(fp) | *(arg_1ch) = a0;
0x00401288 sw a1, 0x18(fp) | *(envp) = a1;
0x0040128c lw t8, -0x7f38(gp) | t8 = *((gp - 8142));
0x00401290 lw t8, (t8) | t8 = *(t8);
0x00401294 sw t8, 0x2c(fp) | *(arg_2ch) = t8;
0x00401298 lw t8, 0x1c(fp) | t8 = *(arg_1ch);
0x0040129c slti t8, t8, 2 | t8 = (t8 < 2) ? 1 : 0;
| if (t8 != 0) {
0x004012a0 beqz t8, 0x4012dc |
0x004012a4 nop |
0x004012a8 lw t8, 0x18(fp) | t8 = *(envp);
0x004012ac lw t8, (t8) | t8 = *(t8);
0x004012b0 lw v0, -0x7fdc(gp) | v0 = *(gp);
| /* str.Usage:__s_STRING_n */
0x004012b4 addiu a0, v0, 0x2b00 | a0 = v0 + 0x2b00;
0x004012b8 move a1, t8 | a1 = t8;
0x004012bc lw t8, -0x7f7c(gp) | t8 = sym.imp.printf
0x004012c0 move t9, t8 | t9 = t8;
0x004012c4 jalr t9 | t9 ();
0x004012c8 nop |
0x004012cc lw gp, 0x10(fp) | gp = *(argv);
0x004012d0 addiu s0, zero, 1 | s0 = 1;
0x004012d4 b 0x4013a0 | goto label_0;
0x004012d8 nop |
| }
0x004012dc lw t8, 0x18(fp) | t8 = *(envp);
0x004012e0 addiu t8, t8, 4 | t8 += 4;
0x004012e4 lw s0, (t8) | s0 = *(t8);
0x004012e8 addiu t8, fp, 0x24 | t8 = fp + 0x24;
0x004012ec move a0, t8 | a0 = t8;
0x004012f0 lw t8, -0x7f78(gp) | t8 = *(gp);
0x004012f4 move t9, t8 | t9 = t8;
0x004012f8 jalr t9 | t9 ();
0x004012fc nop |
0x00401300 lw gp, 0x10(fp) | gp = *(argv);
0x00401304 addiu v0, fp, 0x28 | v0 = fp + 0x28;
0x00401308 addiu t8, fp, 0x24 | t8 = fp + 0x24;
0x0040130c move a0, v0 | a0 = v0;
0x00401310 move a1, s0 | a1 = s0;
0x00401314 move a2, t8 | a2 = t8;
0x00401318 lw t8, -0x7f6c(gp) | t8 = *(gp);
0x0040131c move t9, t8 | t9 = t8;
0x00401320 jalr t9 | t9 ();
0x00401324 nop |
0x00401328 lw gp, 0x10(fp) | gp = *(argv);
0x0040132c addiu t8, fp, 0x28 | t8 = fp + 0x28;
0x00401330 move a0, t8 | a0 = t8;
0x00401334 lw t8, -0x7fd8(gp) | t8 = sym.check_datetime_std::string_const_;
0x00401338 move t9, t8 | t9 = t8;
0x0040133c jalr t9 | t9 ();
0x00401340 nop |
0x00401344 lw gp, 0x10(fp) | gp = *(argv);
0x00401348 move t8, v0 | t8 = v0;
| if (t8 != 0) {
0x0040134c beqz t8, 0x401360 |
0x00401350 nop |
0x00401354 move t8, zero | t8 = 0;
0x00401358 b 0x401364 | goto label_1;
0x0040135c nop |
| }
0x00401360 addiu t8, zero, 1 | t8 = 1;
| label_1:
0x00401364 move s0, t8 | s0 = t8;
0x00401368 addiu t8, fp, 0x28 | t8 = fp + 0x28;
0x0040136c move a0, t8 | a0 = t8;
0x00401370 lw t8, -0x7f5c(gp) | t8 = *(gp);
0x00401374 move t9, t8 | t9 = t8;
0x00401378 jalr t9 | t9 ();
0x0040137c nop |
0x00401380 lw gp, 0x10(fp) | gp = *(argv);
0x00401384 addiu t8, fp, 0x24 | t8 = fp + 0x24;
0x00401388 move a0, t8 | a0 = t8;
0x0040138c lw t8, -0x7f70(gp) | t8 = *(gp);
0x00401390 move t9, t8 | t9 = t8;
0x00401394 jalr t9 | t9 ();
0x00401398 nop |
0x0040139c lw gp, 0x10(fp) | gp = *(argv);
| label_0:
0x004013a0 move t8, s0 | t8 = s0;
0x004013a4 move v0, t8 | v0 = t8;
0x004013a8 lw t8, -0x7f38(gp) | t8 = *((gp - 8142));
0x004013ac lw v1, 0x2c(fp) | v1 = *(arg_2ch);
0x004013b0 lw t8, (t8) | t8 = *(t8);
| if (v1 != t8) {
0x004013b4 beq v1, t8, 0x40143c |
0x004013b8 nop |
0x004013bc b 0x40142c | goto label_2;
0x004013c0 nop |
| label_2:
0x0040142c lw t8, -0x7f68(gp) | t8 = sym.imp.__stack_chk_fail;
0x00401430 move t9, t8 | t9 = t8;
0x00401434 jalr t9 | t9 ();
0x00401438 nop |
| }
0x0040143c move sp, fp |
0x00401440 lw ra, 0x3c(sp) | ra = *(var_3ch);
0x00401444 lw fp, 0x38(sp) | fp = *(var_38h);
0x00401448 lw s0, 0x34(sp) | s0 = *(var_34h);
0x0040144c addiu sp, sp, 0x40 |
0x00401450 jr ra | return v1;
0x00401454 nop |
| }
[*] Function printf used 2 times check_dst
