rixxc/x25519_agent
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Fix bugs

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This commit is contained in:
Aaron Kaiser
2024-04-22 09:30:14 +02:00
parent 1a378c2e0c
commit 0a86411e46
2 changed files with 10 additions and 2 deletions
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10
src/agent.jazz
View File

@@ -1,5 +1,13 @@
from Jade require "crypto_scalarmult/curve25519/amd64/mulx/curve25519.jinc" from Jade require "crypto_scalarmult/curve25519/amd64/mulx/curve25519.jinc"
inline fn extract_ipc_id(reg u64 sync_mem) -> reg u64 {
reg u64 id;
id = (u64)[sync_mem + 8];
return id;
}
export fn agent_start(reg u64 shared_mem sync_mem) { export fn agent_start(reg u64 shared_mem sync_mem) {
stack u8[8] unused; stack u8[8] unused;
reg u64 outptr; reg u64 outptr;
@@ -16,7 +24,7 @@ export fn agent_start(reg u64 shared_mem sync_mem) {
sync_mem = spill_sync_mem; sync_mem = spill_sync_mem;
shared_mem = spill_shared_mem; shared_mem = spill_shared_mem;
outptr = (u64)[sync_mem + 8]; outptr = (u64)[sync_mem + 16];
outptr = shared_mem + outptr; outptr = shared_mem + outptr;
(u64)[outptr] = 0x1337; (u64)[outptr] = 0x1337;

2
syscall/jasmin_syscall.c
View File

@@ -91,7 +91,7 @@ uint64_t __jasmin_syscall_open__(uint8_t* x, uint64_t xlen)
uint8_t* __jasmin_syscall_read__(uint8_t* _x, uint64_t xlen, uint64_t fd) uint8_t* __jasmin_syscall_read__(uint8_t* _x, uint64_t xlen, uint64_t fd)
{ {
uint32_t* addr = (uint32_t*)(uintptr_t)fd; uint32_t* addr = (uint32_t*)(uintptr_t)fd;
long ret = syscall(SYS_futex, addr, FUTEX_WAIT, 0x1, NULL, NULL, 0); long ret = syscall(SYS_futex, addr, FUTEX_WAIT, 0, NULL, NULL, 0);
if (ret == -1) { if (ret == -1) {
printf("Agent futex error: %d\n", errno); printf("Agent futex error: %d\n", errno);
perror("futex"); perror("futex");