[*] Binary protection state of systemd-getty-generator
Full RELRO Canary found NX disabled PIE enabled RPATH No RUNPATH No Symbols
[*] Function strcpy tear down of systemd-getty-generator
; assembly | /* r2dec pseudo code output */
| /* /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/lib/systemd/system-generators/systemd-getty-generator @ 0x1610 */
| #include <stdint.h>
|
; (fcn) fcn.00001610 () | void fcn_00001610 () {
0x00001610 lui gp, 2 |
0x00001614 addiu gp, gp, -0x6610 |
0x00001618 addu gp, gp, t9 | gp += t9;
0x0000161c addiu sp, sp, -0x60 |
0x00001620 sw s4, 0x4c(sp) | *(var_4ch) = s4;
0x00001624 lw s4, -0x7f78(gp) | s4 = *((gp - 8158));
0x00001628 sw fp, 0x58(sp) | *(var_58h) = fp;
0x0000162c sw ra, 0x5c(sp) | *(var_5ch) = ra;
0x00001630 sw s6, 0x54(sp) | *(var_54h) = s6;
0x00001634 sw s5, 0x50(sp) | *(var_50h) = s5;
0x00001638 sw s3, 0x48(sp) | *(var_48h) = s3;
0x0000163c sw s2, 0x44(sp) | *(var_44h) = s2;
0x00001640 sw s1, 0x40(sp) | *(var_40h) = s1;
0x00001644 sw s0, 0x3c(sp) | *(var_3ch) = s0;
0x00001648 sw gp, 0x20(sp) | *(var_20h) = gp;
0x0000164c move fp, sp | fp = sp;
0x00001650 lw v0, (s4) | v0 = *(s4);
0x00001654 sw v0, 0x34(fp) | *(arg_34h) = v0;
0x00001658 lw t9, -0x7f68(gp) | t9 = sym.imp.strlen;
| if (a1 == 0) {
0x0000165c beqz a1, 0x1850 | goto label_1;
| }
0x00001660 move s1, a0 | s1 = a0;
0x00001664 move s0, a1 | s0 = a1;
0x00001668 jalr t9 | t9 ();
0x0000166c lui a0, 0x40 | a0 = 0x400000;
0x00001670 addiu v1, v0, 0x19 | v1 = v0 + 0x19;
0x00001674 addiu a0, a0, 1 | a0++;
0x00001678 sltu v1, v1, a0 | v1 = (v1 < a0) ? 1 : 0;
0x0000167c lw gp, 0x20(fp) | gp = *(arg_20h);
| if (v1 == 0) {
0x00001680 beqz v1, 0x187c | goto label_2;
| }
0x00001684 lw a0, -0x7fdc(gp) | a0 = *((gp - 8183));
0x00001688 addiu v0, v0, 0x20 | v0 += 0x20;
0x0000168c srl v0, v0, 3 | v0 >>= 3;
0x00001690 addiu v1, a0, 0x1fb4 | v1 = a0 + str._usr_lib_systemd_system_;
0x00001694 sll v0, v0, 3 | v0 <<= 3;
0x00001698 subu sp, sp, v0 |
0x0000169c addiu s2, sp, 0x20 | s2 = sp + 0x20;
0x000016a0 lw t0, 0x1fb4(a0) | t0 = *(a0);
0x000016a4 lw a1, 0xc(v1) | a1 = *((v1 + 3));
0x000016a8 lw a0, 0x10(v1) | a0 = *((v1 + 4));
0x000016ac lw a3, 4(v1) | a3 = *((v1 + 1));
0x000016b0 lw a2, 8(v1) | a2 = *((v1 + 2));
0x000016b4 lw v0, 0x14(v1) | v0 = *((v1 + 5));
0x000016b8 lw t9, -0x7f74(gp) | t9 = sym.imp.strcpy
0x000016bc sw a1, 0xc(s2) | *((s2 + 3)) = a1;
0x000016c0 sw a0, 0x10(s2) | *((s2 + 4)) = a0;
0x000016c4 move a1, s1 | a1 = s1;
0x000016c8 addiu a0, s2, 0x18 | a0 = s2 + 0x18;
0x000016cc sw t0, (s2) | *(s2) = t0;
0x000016d0 sw a3, 4(s2) | *((s2 + 1)) = a3;
0x000016d4 sw a2, 8(s2) | *((s2 + 2)) = a2;
0x000016d8 sw v0, 0x14(s2) | *((s2 + 5)) = v0;
0x000016dc jalr t9 | t9 ();
0x000016e0 lw gp, 0x20(fp) | gp = *(arg_20h);
0x000016e4 addiu s1, fp, 0x28 | s1 = fp + 0x28;
0x000016e8 sw s0, 0x30(fp) | *(arg_30h) = s0;
0x000016ec lw v0, -0x7fd8(gp) | v0 = *((gp - 8182));
0x000016f0 addiu s3, fp, 0x34 | s3 = fp + 0x34;
0x000016f4 move s5, s1 | s5 = s1;
0x000016f8 lw s6, 0x3110(v0) | s6 = *((v0 + 3140));
0x000016fc lw v0, -0x7fdc(gp) | v0 = *((gp - 8183));
0x00001700 move a0, s6 | a0 = s6;
0x00001704 addiu v0, v0, 0x1fd0 | v0 += str._getty.target.wants_;
0x00001708 sw s6, 0x28(fp) | *(arg_28h) = s6;
0x0000170c sw v0, 0x2c(fp) | *(arg_2ch) = v0;
0x00001710 move s0, zero | s0 = 0;
| if (a0 == 0) {
0x00001714 beqz a0, 0x173c | goto label_3;
| }
0x00001718 lw t9, -0x7f68(gp) | t9 = sym.imp.strlen;
| do {
0x0000171c addiu s5, s5, 4 | s5 += 4;
0x00001720 jalr t9 | t9 ();
0x00001724 addu s0, s0, v0 | s0 += v0;
0x00001728 lw gp, 0x20(fp) | gp = *(arg_20h);
| if (s3 == s5) {
0x0000172c beq s3, s5, 0x173c | goto label_3;
| }
0x00001730 lw a0, (s5) | a0 = *(s5);
0x00001734 lw t9, -0x7f68(gp) | t9 = sym.imp.strlen;
0x00001738 bnez a0, 0x171c |
| } while (a0 != 0);
| label_3:
0x0000173c lui v1, 0x40 | v1 = 0x400000;
0x00001740 addiu v0, s0, 1 | v0 = s0 + 1;
0x00001744 addiu v1, v1, 1 | v1++;
0x00001748 sltu v0, v0, v1 | v0 = (v0 < v1) ? 1 : 0;
0x0000174c addiu s0, s0, 8 | s0 += 8;
| if (v0 == 0) {
0x00001750 beqz v0, 0x18a8 | goto label_4;
| }
0x00001754 srl s0, s0, 3 | s0 >>= 3;
0x00001758 sll s0, s0, 3 | s0 <<= 3;
0x0000175c subu sp, sp, s0 |
0x00001760 addiu s0, sp, 0x20 | s0 = sp + 0x20;
0x00001764 move v0, s0 | v0 = s0;
| if (s6 == 0) {
0x00001768 beqz s6, 0x1794 | goto label_5;
| }
0x0000176c lw t9, -0x7f2c(gp) | t9 = sym.imp.stpcpy;
| do {
0x00001770 move a0, v0 | a0 = v0;
0x00001774 move a1, s6 | a1 = s6;
0x00001778 addiu s1, s1, 4 | s1 += 4;
0x0000177c jalr t9 | t9 ();
0x00001780 lw gp, 0x20(fp) | gp = *(arg_20h);
| if (s1 == s3) {
0x00001784 beq s1, s3, 0x1794 | goto label_5;
| }
0x00001788 lw s6, (s1) | s6 = *(s1);
0x0000178c lw t9, -0x7f2c(gp) | t9 = sym.imp.stpcpy;
0x00001790 bnez s6, 0x1770 |
| } while (s6 != 0);
| label_5:
0x00001794 lw t9, -0x7f18(gp) | t9 = sym.imp.mkdir_parents_label;
0x00001798 addiu a1, zero, 0x1ed | a1 = 0x1ed;
0x0000179c move a0, s0 | a0 = s0;
0x000017a0 sb zero, (v0) | *(v0) = 0;
0x000017a4 jalr t9 | t9 ();
0x000017a8 lw gp, 0x20(fp) | gp = *(arg_20h);
0x000017ac move a1, s0 | a1 = s0;
0x000017b0 lw t9, -0x7f4c(gp) | t9 = sym.imp.symlink;
0x000017b4 move a0, s2 | a0 = s2;
0x000017b8 jalr t9 | t9 ();
0x000017bc lw gp, 0x20(fp) | gp = *(arg_20h);
0x000017c0 bltz v0, 0x1808 |
| while (s1 == v0) {
0x000017c4 move v0, zero | v0 = 0;
| label_0:
0x000017c8 lw a0, 0x34(fp) | a0 = *(arg_34h);
0x000017cc lw v1, (s4) | v1 = *(s4);
0x000017d0 lw t9, -0x7f90(gp) | t9 = sym.imp.__stack_chk_fail;
| if (a0 != v1) {
0x000017d4 bne a0, v1, 0x190c | goto label_6;
| }
0x000017d8 move sp, fp |
0x000017dc lw ra, 0x5c(sp) | ra = *(var_5ch);
0x000017e0 lw fp, 0x58(sp) | fp = *(var_58h);
0x000017e4 lw s6, 0x54(sp) | s6 = *(var_54h);
0x000017e8 lw s5, 0x50(sp) | s5 = *(var_50h);
0x000017ec lw s4, 0x4c(sp) | s4 = *(var_4ch);
0x000017f0 lw s3, 0x48(sp) | s3 = *(var_48h);
0x000017f4 lw s2, 0x44(sp) | s2 = *(var_44h);
0x000017f8 lw s1, 0x40(sp) | s1 = *(var_40h);
0x000017fc lw s0, 0x3c(sp) | s0 = *(var_3ch);
0x00001800 addiu sp, sp, 0x60 |
0x00001804 jr ra | return v0;
0x00001808 lw t9, -0x7f14(gp) | t9 = sym.imp.__errno_location;
0x0000180c jalr t9 | t9 ();
0x00001810 nop |
0x00001814 lw s1, (v0) | s1 = *(v0);
0x00001818 addiu v0, zero, 0x11 | v0 = 0x11;
0x0000181c lw gp, 0x20(fp) | gp = *(arg_20h);
0x00001820 beq s1, v0, 0x17c4 |
| }
0x00001824 lw t9, -0x7fb4(gp) | t9 = sym.imp.log_get_max_level_realm;
0x00001828 move a0, zero | a0 = 0;
0x0000182c jalr t9 | t9 ();
0x00001830 slti v0, v0, 3 | v0 = (v0 < 3) ? 1 : 0;
0x00001834 lw gp, 0x20(fp) | gp = *(arg_20h);
| if (v0 == 0) {
0x00001838 beqz v0, 0x18c0 | goto label_7;
| }
| if (s1 < 0) {
0x0000183c bltzl s1, 0x1900 | goto label_8;
| }
0x00001840 negu s1, s1 | __asm ("negu s1, s1");
0x00001844 andi s1, s1, 0xff | s1 &= 0xff;
0x00001848 negu v0, s1 | __asm ("negu v0, s1");
0x0000184c b 0x17c8 | goto label_0;
| label_1:
0x00001850 lw v0, -0x7fdc(gp) | v0 = *((gp - 8183));
0x00001854 lw a2, -0x7fdc(gp) | a2 = *((gp - 8183));
0x00001858 lw a1, -0x7fdc(gp) | a1 = *((gp - 8183));
0x0000185c addiu v0, v0, 0x2250 | v0 += str.add_symlink;
0x00001860 lw t9, -0x7f34(gp) | t9 = sym.imp.log_assert_failed_realm;
0x00001864 sw v0, 0x10(sp) | *(var_10h) = v0;
0x00001868 addiu a3, zero, 0x1e | a3 = 0x1e;
0x0000186c addiu a2, a2, 0x1f5f | a2 += 0x1f5f;
0x00001870 addiu a1, a1, 0x1f88 | a1 += str.tservice;
0x00001874 move a0, zero | a0 = 0;
0x00001878 jalr t9 | t9 ();
| label_2:
0x0000187c lw v0, -0x7fdc(gp) | v0 = *((gp - 8183));
0x00001880 lw t9, -0x7f34(gp) | t9 = sym.imp.log_assert_failed_realm;
0x00001884 addiu v0, v0, 0x2250 | v0 += str.add_symlink;
0x00001888 sw v0, 0x10(sp) | *(var_10h) = v0;
0x0000188c addiu a3, zero, 0x20 | a3 = 0x20;
| do {
0x00001890 lw a2, -0x7fdc(gp) | a2 = *((gp - 8183));
0x00001894 lw a1, -0x7fdc(gp) | a1 = *((gp - 8183));
0x00001898 addiu a2, a2, 0x1f5f | a2 += 0x1f5f;
0x0000189c addiu a1, a1, 0x1f94 | a1 += str.sizeof_char__n____ALLOCA_MAX;
0x000018a0 move a0, zero | a0 = 0;
0x000018a4 jalr t9 | t9 ();
| label_4:
0x000018a8 lw v0, -0x7fdc(gp) | v0 = *((gp - 8183));
0x000018ac lw t9, -0x7f34(gp) | t9 = sym.imp.log_assert_failed_realm;
0x000018b0 addiu v0, v0, 0x2250 | v0 += str.add_symlink;
0x000018b4 sw v0, 0x10(sp) | *(var_10h) = v0;
0x000018b8 addiu a3, zero, 0x21 | a3 = 0x21;
0x000018bc b 0x1890 |
| } while (1);
| label_7:
0x000018c0 lw v0, -0x7fdc(gp) | v0 = *((gp - 8183));
0x000018c4 lw a2, -0x7fdc(gp) | a2 = *((gp - 8183));
0x000018c8 addiu v0, v0, 0x1fe8 | v0 += str.Failed_to_create_symlink__s:__m;
0x000018cc sw v0, 0x14(sp) | *(var_14h_2) = v0;
0x000018d0 lw v0, -0x7fdc(gp) | v0 = *((gp - 8183));
0x000018d4 lw t9, -0x7f88(gp) | t9 = sym.imp.log_internal_realm;
0x000018d8 addiu v0, v0, 0x2244 | v0 += 0x2244;
0x000018dc sw s0, 0x18(sp) | *(var_18h_4) = s0;
0x000018e0 sw v0, 0x10(sp) | *(var_10h) = v0;
0x000018e4 addiu a3, zero, 0x2b | a3 = 0x2b;
0x000018e8 addiu a2, a2, 0x1f5f | a2 += 0x1f5f;
0x000018ec move a1, s1 | a1 = s1;
0x000018f0 addiu a0, zero, 3 | a0 = 3;
0x000018f4 jalr t9 | t9 ();
0x000018f8 lw gp, 0x20(fp) | gp = *(arg_20h);
0x000018fc b 0x17c8 | goto label_0;
| label_8:
0x00001900 andi s1, s1, 0xff | s1 &= 0xff;
0x00001904 negu v0, s1 | __asm ("negu v0, s1");
0x00001908 b 0x17c8 | goto label_0;
| label_6:
0x0000190c jalr t9 | t9 ();
0x00001910 nop |
| }
[*] Function strcpy used 2 times systemd-getty-generator
