diff options
Diffstat (limited to 'src/c_bsdsetsid.S')
| -rw-r--r-- | src/c_bsdsetsid.S | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/src/c_bsdsetsid.S b/src/c_bsdsetsid.S deleted file mode 100644 index 5b71669..0000000 --- a/src/c_bsdsetsid.S +++ /dev/null @@ -1,131 +0,0 @@ -/* - * ======================== - * ===== =============== - * ====== ================ - * ====== ================ - * ====== ==== ==== == - * ====== === == = = - * ====== === = == = - * = === === = == ==== - * = === === = == = = - * == ===== ==== == - * ======================== - * - * SPDX-License-Identifier: BSD-3-Clause - * - * Copyright (c) 2020 Joe - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the organization nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * bsdsetsid: src/c_bsdsetsid.S - * 2020-11-21 18:47 - * Joe - * - * This is the entrypoint of the program. - */ - -.data -status: .space 4, 0x0 -ref_w_opt: .asciz "-w" - -.text -.globl main - -c_parent_old: - mov %rax, %rdi - lea status, %rsi - xor %rdx, %rdx - xor %rcx, %rcx - xor %rax, %rax - movb $0x7, %al /* SYS_wait4 */ - syscall - movq (%rsi), %rax - and $0xff00, %rax - shr $0x8, %rax - push %rax - jmp u_hexdec -c_parent_next: - pop %rdi - movb $0x7, %al - xor %rax, %rax - movb $0x1, %al /* SYS_exit */ - syscall - -c_w_opt: - mov $0x1, %r15 - pop %rdi - mov %rdi, %r8 - push %rdi - cmp $0x2, %r8 - jle e_noarg - jmp .c.main_next - -main: - cmpb $0x1, %dil - jle e_noarg - xor %r15, %r15 - push %rdx - push %rsi - push %rdi - lea ref_w_opt, %rdi - mov $0x3, %rdx - call u_strncmp - cmp $0x0, %rax - je c_w_opt -.c.main_next: - xor %rax, %rax - movb $0x2, %al /* SYS_fork */ - syscall - test %rax, %rax - js e_fork - jz c_child - -c_parent: -# jmp c_exit - jmp c_parent_old - -c_child: - xor %rax, %rax - movb $0x93, %al /* SYS_setsid */ - syscall - test %rax, %rax - js e_setsid - xor %rax, %rax - pop %rdi - pop %rsi - pop %rdx - mov $0x1, %rcx - mov (%rsi, %rcx, 8), %rdi - lea 0(%rsi, %rcx, 8), %rsi -# movb $0x3b, %al /* SYS_execve */ -# syscall - callq execve - test %rax, %rax - js e_execve - -c_exit: - xor %rdi, %rdi - xor %rax, %rax - movb $0x1, %al /* SYS_exit */ - syscall |