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This commit is contained in:
van Hauser
2020-06-03 10:50:49 +02:00
parent 1c95e2e8e0
commit fc164e4709
13 changed files with 90 additions and 64 deletions
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11
examples/qemu_persistent_hook/read_into_rdi.c
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@ -36,7 +36,7 @@ enum {
};
void afl_persistent_hook(uint64_t *regs, uint64_t guest_base,
uint8_t* input_buf, uint32_t input_len) {
uint8_t *input_buf, uint32_t input_len) {
// In this example the register RDI is pointing to the memory location
// of the target buffer, and the length of the input is in RSI.
@ -44,16 +44,17 @@ void afl_persistent_hook(uint64_t *regs, uint64_t guest_base,
printf("placing input into %p\n", regs[R_EDI]);
if (input_len > 1024)
input_len = 1024;
memcpy(g2h(regs[R_EDI]), input_buf, input_len);
if (input_len > 1024) input_len = 1024;
memcpy(g2h(regs[R_EDI]), input_buf, input_len);
regs[R_ESI] = input_len;
}
int afl_persistent_hook_init(void) {
// 1 for shared memory input (faster), 0 for normal input (you have to use read(), input_buf will be NULL)
// 1 for shared memory input (faster), 0 for normal input (you have to use
// read(), input_buf will be NULL)
return 1;
}