손지언 / 2019102185

Go to a project
Toggle navigation Toggle navigation pinning
손지언
1491ef3c 1 parent 62dde9f7

d

Inline Side-by-side
Showing 10 changed files with 19 additions and 16 deletions
1 -cmd_/root/hooking/dhooker/hooker.ko := arm-linux-gnueabihf-ld -EL -r -T ./scripts/module-common.lds --build-id -o /root/hooking/dhooker/hooker.ko /root/hooking/dhooker/hooker.o /root/hooking/dhooker/hooker.mod.o 1 +cmd_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.ko := arm-linux-gnueabihf-ld -EL -r -T ./scripts/module-common.lds --build-id -o /root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.ko /root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.o /root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.mod.o
......
1 -cmd_/root/hooking/dhooker/hooker.mod.o := arm-linux-gnueabihf-gcc -Wp,-MD,/root/hooking/dhooker/.hooker.mod.o.d -nostdinc -isystem /usr/lib/gcc-cross/arm-linux-gnueabihf/5/include -I./arch/arm/include -Iarch/arm/include/generated/uapi -Iarch/arm/include/generated -Iinclude -I./arch/arm/include/uapi -Iarch/arm/include/generated/uapi -I./include/uapi -Iinclude/generated/uapi -include ./include/linux/kconfig.h -D__KERNEL__ -mlittle-endian -Iarch/arm/mach-bcm2709/include -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -fno-dwarf2-cfi-asm -fno-omit-frame-pointer -mapcs -mno-sched-prolog -fno-ipa-sra -mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp -funwind-tables -marm -D__LINUX_ARM_ARCH__=7 -march=armv7-a -msoft-float -Uarm -fno-delete-null-pointer-checks -Wno-maybe-uninitialized -O2 --param=allow-store-data-races=0 -Wframe-larger-than=1024 -fno-stack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time -DCC_HAVE_ASM_GOTO -D"KBUILD_STR(s)=\#s" -D"KBUILD_BASENAME=KBUILD_STR(hooker.mod)" -D"KBUILD_MODNAME=KBUILD_STR(hooker)" -DMODULE -c -o /root/hooking/dhooker/hooker.mod.o /root/hooking/dhooker/hooker.mod.c 1 +cmd_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.mod.o := arm-linux-gnueabihf-gcc -Wp,-MD,/root/OSSPractice/lab5-2/hooking_prac/dhooker/.hooker.mod.o.d -nostdinc -isystem /usr/lib/gcc-cross/arm-linux-gnueabihf/5/include -I./arch/arm/include -Iarch/arm/include/generated/uapi -Iarch/arm/include/generated -Iinclude -I./arch/arm/include/uapi -Iarch/arm/include/generated/uapi -I./include/uapi -Iinclude/generated/uapi -include ./include/linux/kconfig.h -D__KERNEL__ -mlittle-endian -Iarch/arm/mach-bcm2709/include -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -fno-dwarf2-cfi-asm -fno-omit-frame-pointer -mapcs -mno-sched-prolog -fno-ipa-sra -mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp -funwind-tables -marm -D__LINUX_ARM_ARCH__=7 -march=armv7-a -msoft-float -Uarm -fno-delete-null-pointer-checks -Wno-maybe-uninitialized -O2 --param=allow-store-data-races=0 -Wframe-larger-than=1024 -fno-stack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time -DCC_HAVE_ASM_GOTO -D"KBUILD_STR(s)=\#s" -D"KBUILD_BASENAME=KBUILD_STR(hooker.mod)" -D"KBUILD_MODNAME=KBUILD_STR(hooker)" -DMODULE -c -o /root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.mod.o /root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.mod.c
2 2
3 -source_/root/hooking/dhooker/hooker.mod.o := /root/hooking/dhooker/hooker.mod.c 3 +source_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.mod.o := /root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.mod.c
4 4
5 -deps_/root/hooking/dhooker/hooker.mod.o := \ 5 +deps_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.mod.o := \
6 $(wildcard include/config/module/unload.h) \ 6 $(wildcard include/config/module/unload.h) \
7 include/linux/module.h \ 7 include/linux/module.h \
8 $(wildcard include/config/modules.h) \ 8 $(wildcard include/config/modules.h) \
...@@ -438,6 +438,6 @@ deps_/root/hooking/dhooker/hooker.mod.o := \ ...@@ -438,6 +438,6 @@ deps_/root/hooking/dhooker/hooker.mod.o := \
438 include/linux/vermagic.h \ 438 include/linux/vermagic.h \
439 include/generated/utsrelease.h \ 439 include/generated/utsrelease.h \
440 440
441 -/root/hooking/dhooker/hooker.mod.o: $(deps_/root/hooking/dhooker/hooker.mod.o) 441 +/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.mod.o: $(deps_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.mod.o)
442 442
443 -$(deps_/root/hooking/dhooker/hooker.mod.o): 443 +$(deps_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.mod.o):
......
1 -cmd_/root/hooking/dhooker/hooker.o := arm-linux-gnueabihf-gcc -Wp,-MD,/root/hooking/dhooker/.hooker.o.d -nostdinc -isystem /usr/lib/gcc-cross/arm-linux-gnueabihf/5/include -I./arch/arm/include -Iarch/arm/include/generated/uapi -Iarch/arm/include/generated -Iinclude -I./arch/arm/include/uapi -Iarch/arm/include/generated/uapi -I./include/uapi -Iinclude/generated/uapi -include ./include/linux/kconfig.h -D__KERNEL__ -mlittle-endian -Iarch/arm/mach-bcm2709/include -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -fno-dwarf2-cfi-asm -fno-omit-frame-pointer -mapcs -mno-sched-prolog -fno-ipa-sra -mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp -funwind-tables -marm -D__LINUX_ARM_ARCH__=7 -march=armv7-a -msoft-float -Uarm -fno-delete-null-pointer-checks -Wno-maybe-uninitialized -O2 --param=allow-store-data-races=0 -Wframe-larger-than=1024 -fno-stack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time -DCC_HAVE_ASM_GOTO -DMODULE -D"KBUILD_STR(s)=\#s" -D"KBUILD_BASENAME=KBUILD_STR(hooker)" -D"KBUILD_MODNAME=KBUILD_STR(hooker)" -c -o /root/hooking/dhooker/.tmp_hooker.o /root/hooking/dhooker/hooker.c 1 +cmd_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.o := arm-linux-gnueabihf-gcc -Wp,-MD,/root/OSSPractice/lab5-2/hooking_prac/dhooker/.hooker.o.d -nostdinc -isystem /usr/lib/gcc-cross/arm-linux-gnueabihf/5/include -I./arch/arm/include -Iarch/arm/include/generated/uapi -Iarch/arm/include/generated -Iinclude -I./arch/arm/include/uapi -Iarch/arm/include/generated/uapi -I./include/uapi -Iinclude/generated/uapi -include ./include/linux/kconfig.h -D__KERNEL__ -mlittle-endian -Iarch/arm/mach-bcm2709/include -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -fno-dwarf2-cfi-asm -fno-omit-frame-pointer -mapcs -mno-sched-prolog -fno-ipa-sra -mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp -funwind-tables -marm -D__LINUX_ARM_ARCH__=7 -march=armv7-a -msoft-float -Uarm -fno-delete-null-pointer-checks -Wno-maybe-uninitialized -O2 --param=allow-store-data-races=0 -Wframe-larger-than=1024 -fno-stack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time -DCC_HAVE_ASM_GOTO -DMODULE -D"KBUILD_STR(s)=\#s" -D"KBUILD_BASENAME=KBUILD_STR(hooker)" -D"KBUILD_MODNAME=KBUILD_STR(hooker)" -c -o /root/OSSPractice/lab5-2/hooking_prac/dhooker/.tmp_hooker.o /root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.c
2 2
3 -source_/root/hooking/dhooker/hooker.o := /root/hooking/dhooker/hooker.c 3 +source_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.o := /root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.c
4 4
5 -deps_/root/hooking/dhooker/hooker.o := \ 5 +deps_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.o := \
6 include/linux/kernel.h \ 6 include/linux/kernel.h \
7 $(wildcard include/config/lbdaf.h) \ 7 $(wildcard include/config/lbdaf.h) \
8 $(wildcard include/config/preempt/voluntary.h) \ 8 $(wildcard include/config/preempt/voluntary.h) \
...@@ -824,6 +824,6 @@ deps_/root/hooking/dhooker/hooker.o := \ ...@@ -824,6 +824,6 @@ deps_/root/hooking/dhooker/hooker.o := \
824 arch/arm/include/generated/asm/local.h \ 824 arch/arm/include/generated/asm/local.h \
825 include/asm-generic/local.h \ 825 include/asm-generic/local.h \
826 826
827 -/root/hooking/dhooker/hooker.o: $(deps_/root/hooking/dhooker/hooker.o) 827 +/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.o: $(deps_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.o)
828 828
829 -$(deps_/root/hooking/dhooker/hooker.o): 829 +$(deps_/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.o):
......
1 -/root/hooking/dhooker/hooker.ko 1 +/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.ko
2 -/root/hooking/dhooker/hooker.o 2 +/root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.o
......
...@@ -13,7 +13,7 @@ unsigned int (* sys_write_orig)(int fd, char *byf, size_t count); ...@@ -13,7 +13,7 @@ unsigned int (* sys_write_orig)(int fd, char *byf, size_t count);
13 13
14 //sys_write_orig() 호출 전 pBuF의 내용 수정 14 //sys_write_orig() 호출 전 pBuF의 내용 수정
15 unsigned int sys_write_hooked(int nFD, char *pBuf, size_t nCnt){ 15 unsigned int sys_write_hooked(int nFD, char *pBuf, size_t nCnt){
16 - 16 + printk("current process: %s", current->comm);
17 if(current->comm == "hello_world" && nFD == 1){ 17 if(current->comm == "hello_world" && nFD == 1){
18 memset(pBuf, 0, nCnt); 18 memset(pBuf, 0, nCnt);
19 strcpy(pBuf, "Hacked!!!\n"); 19 strcpy(pBuf, "Hacked!!!\n");
...@@ -26,6 +26,8 @@ unsigned int sys_write_hooked(int nFD, char *pBuf, size_t nCnt){ ...@@ -26,6 +26,8 @@ unsigned int sys_write_hooked(int nFD, char *pBuf, size_t nCnt){
26 } 26 }
27 27
28 int __init Hook_Init(void){ 28 int __init Hook_Init(void){
29 +
30 + printk("외않되\n");
29 sys_write_orig = (void *)g_puSysTableAddr[__NR_write]; 31 sys_write_orig = (void *)g_puSysTableAddr[__NR_write];
30 32
31 __asm__ __volatile__("mrc p15, 0, %0, c3, c0" : "=r"(g_uPrevAP)); 33 __asm__ __volatile__("mrc p15, 0, %0, c3, c0" : "=r"(g_uPrevAP));
......
...@@ -20,6 +20,7 @@ __attribute__((section("__versions"))) = { ...@@ -20,6 +20,7 @@ __attribute__((section("__versions"))) = {
20 { 0xb344870e, __VMLINUX_SYMBOL_STR(module_layout) }, 20 { 0xb344870e, __VMLINUX_SYMBOL_STR(module_layout) },
21 { 0x2e5810c6, __VMLINUX_SYMBOL_STR(__aeabi_unwind_cpp_pr1) }, 21 { 0x2e5810c6, __VMLINUX_SYMBOL_STR(__aeabi_unwind_cpp_pr1) },
22 { 0xfa2a45e, __VMLINUX_SYMBOL_STR(__memzero) }, 22 { 0xfa2a45e, __VMLINUX_SYMBOL_STR(__memzero) },
23 + { 0x27e1a049, __VMLINUX_SYMBOL_STR(printk) },
23 { 0xb1ad28e0, __VMLINUX_SYMBOL_STR(__gnu_mcount_nc) }, 24 { 0xb1ad28e0, __VMLINUX_SYMBOL_STR(__gnu_mcount_nc) },
24 }; 25 };
25 26
...@@ -29,4 +30,4 @@ __attribute__((section(".modinfo"))) = ...@@ -29,4 +30,4 @@ __attribute__((section(".modinfo"))) =
29 "depends="; 30 "depends=";
30 31
31 32
32 -MODULE_INFO(srcversion, "D2F3FA25DCB0D285CB3AE41"); 33 +MODULE_INFO(srcversion, "2A131E5614C253504393ED6");
......
1 -kernel//root/hooking/dhooker/hooker.ko 1 +kernel//root/OSSPractice/lab5-2/hooking_prac/dhooker/hooker.ko
......