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feat: encryptor hardwareinfo modifyable with environment variables

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Michael
2026-05-14 16:32:43 +02:00
parent a0aed7e93b
commit 4554dffadb
2 changed files with 32 additions and 0 deletions
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4
.env.example
View File

@@ -1,2 +1,6 @@
FLAG_LEN=32 FLAG_LEN=32
FLAG_FORMAT=ctf{FLAG_GOES_HERE} FLAG_FORMAT=ctf{FLAG_GOES_HERE}
ENCRYPTOR_VENDOR_ID=GenuineIntel
ENCRYPTOR_MODEL_NAME=Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz
ENCRYPTOR_OS_VERSION=7.0.3-arch1-2
ENCRYPTOR_MEM_TOTAL=7994428

28
src/encryptor.c
View File

@@ -19,6 +19,34 @@ int main(int argc, char** argv) {
return 1; return 1;
} }
char* env_vendor_id = getenv("ENCRYPTOR_VENDOR_ID");
if (env_vendor_id != NULL) {
hwinfo.vendor_id = env_vendor_id;
} else {
fprintf(stderr, "Warning: No vendor_id specified, keeping original '%s'\n", hwinfo.vendor_id);
}
char* env_model_name = getenv("ENCRYPTOR_MODEL_NAME");
if (env_model_name != NULL) {
hwinfo.model_name = env_model_name;
} else {
fprintf(stderr, "Warning: No model_name specified, keeping original '%s'\n", hwinfo.model_name);
}
char* env_os_version = getenv("ENCRYPTOR_OS_VERSION");
if (env_os_version != NULL) {
hwinfo.os_version = env_os_version;
} else {
fprintf(stderr, "Warning: No os_version specified, keeping original '%s'\n", hwinfo.os_version);
}
char* env_mem_total = getenv("ENCRYPTOR_MEM_TOTAL");
if (env_mem_total != NULL) {
hwinfo.mem_total = env_mem_total;
} else {
fprintf(stderr, "Warning: No mem_total specified, keeping original '%s'\n", hwinfo.mem_total);
}
uint8_t* key = hwinfo_to_key(hwinfo); uint8_t* key = hwinfo_to_key(hwinfo);
if(key == NULL) { if(key == NULL) {