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| author | Alice Frosi <afrosi@redhat.com> | 2023-02-27 13:19:01 +0100 |
|---|---|---|
| committer | Alice Frosi <afrosi@redhat.com> | 2023-02-27 14:10:08 +0100 |
| commit | 52e2835061429d93abacf8d1cf00f7da69e7a853 (patch) | |
| tree | c90078b2627b8543ca188c45db17591883b01a4b /operations.c | |
| parent | 33750f1e9cf151d64e77f73a0f632b6de586a30e (diff) | |
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seitan: add op_cmp
The operation op_cmp allows to compare 2 areas of memory and if they
don't match to jump to an operation.
Diffstat (limited to 'operations.c')
| -rw-r--r-- | operations.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/operations.c b/operations.c index 8cd0828..afc4b00 100644 --- a/operations.c +++ b/operations.c @@ -313,6 +313,12 @@ int do_operations(void *data, struct op operations[], struct seccomp_notif *req, break; case OP_END: return 0; + case OP_CMP: + if (memcmp((uint16_t *)data + operations[i].cmp.s1_off, + (uint16_t *)data + operations[i].cmp.s2_off, + operations[i].cmp.size) != 0) { + i = operations[i].cmp.jmp; + } break; default: fprintf(stderr, "unknow operation %d \n", |