added devcontainer

2026-07-10 15:44:09 +02:00
parent 5da43ff0f3
commit 356837ee0a
31 changed files with 4828 additions and 1 deletions
@@ -0,0 +1,135 @@
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <json-c/json.h>
+#include "state.h"
+#include "config.h"
+
+#if ENABLE_LOGGING
+#include <stdio.h>
+extern FILE *log_fp;
+#define LOG(fmt, ...) do { if (log_fp) { fprintf(log_fp, "[%s] " fmt "\n", __func__, ##__VA_ARGS__); fflush(log_fp); } } while(0)
+#else
+#define LOG(fmt, ...) do {} while(0)
+#endif
+
+static void state_defaults(openuf_state_t *st)
+{
+    memset(st, 0, sizeof(*st));
+    st->adopted = false;
+    strncpy(st->authkey,    DEFAULT_AUTH_KEY, sizeof(st->authkey) - 1);
+    strncpy(st->cfgversion, "0",              sizeof(st->cfgversion) - 1);
+    st->config_applied = false;
+    st->config_schema = 0;
+    st->use_aes_gcm = false;
+}
+
+void state_load(openuf_state_t *st)
+{
+    state_defaults(st);
+
+    FILE *f = fopen(OPENUF_STATE_FILE, "r");
+    if (!f) {
+        LOG("State file not found, using defaults");
+        return;
+    }
+
+    /* Read whole file */
+    fseek(f, 0, SEEK_END);
+    long sz = ftell(f);
+    rewind(f);
+    if (sz <= 0 || sz > 4096) { fclose(f); return; }
+
+    char *buf = malloc(sz + 1);
+    if (!buf) { fclose(f); return; }
+    fread(buf, 1, sz, f);
+    buf[sz] = '\0';
+    fclose(f);
+
+    struct json_object *root = json_tokener_parse(buf);
+    free(buf);
+    if (!root) {
+        LOG("Failed to parse state file");
+        return;
+    }
+
+    struct json_object *v;
+#define LOAD_STR(field, key) \
+    if (json_object_object_get_ex(root, key, &v) && json_object_is_type(v, json_type_string)) \
+        strncpy(st->field, json_object_get_string(v), sizeof(st->field) - 1)
+#define LOAD_BOOL(field, key) \
+    if (json_object_object_get_ex(root, key, &v)) \
+        st->field = json_object_get_boolean(v)
+#define LOAD_INT(field, key) \
+    if (json_object_object_get_ex(root, key, &v)) \
+        st->field = json_object_get_int(v)
+
+    LOAD_BOOL(adopted,    "adopted");
+    LOAD_STR (authkey,    "authkey");
+    LOAD_STR (inform_url, "inform_url");
+    LOAD_STR (cfgversion, "cfgversion");
+    LOAD_BOOL(config_applied, "config_applied");
+    LOAD_INT (config_schema,  "config_schema");
+    LOAD_BOOL(use_aes_gcm, "use_aes_gcm");
+    LOAD_STR (mac,        "mac");
+    LOAD_STR (ip,         "ip");
+    LOAD_STR (hostname,   "hostname");
+
+    /*
+     * Older versions stored cfgversion from setparam before applying the
+     * corresponding setstate. Force one provisioning request when migrating.
+     */
+    if (!st->config_applied ||
+        st->config_schema < OPENUF_CONFIG_SCHEMA) {
+        st->config_applied = false;
+        strncpy(st->cfgversion, "0", sizeof(st->cfgversion) - 1);
+    }
+
+    /* CRITICAL: If not adopted, force DEFAULT_AUTH_KEY */
+    if (!st->adopted) {
+        LOG("Device not adopted - resetting authkey to DEFAULT");
+        strncpy(st->authkey, DEFAULT_AUTH_KEY, sizeof(st->authkey) - 1);
+    }
+
+    LOG("State loaded: adopted=%d, authkey=%.8s..., inform_url=%s, aes_gcm=%d",
+        st->adopted, st->authkey[0] ? st->authkey : "DEFAULT",
+        st->inform_url, st->use_aes_gcm);
+
+    json_object_put(root);
+}
+
+int state_save(const openuf_state_t *st)
+{
+    /* Ensure directory exists */
+    mkdir("/etc/openuf", 0755);
+
+    LOG("Saving state: adopted=%d, authkey=%.8s..., inform_url=%s, aes_gcm=%d",
+        st->adopted, st->authkey[0] ? st->authkey : "DEFAULT",
+        st->inform_url, st->use_aes_gcm);
+
+    struct json_object *root = json_object_new_object();
+    json_object_object_add(root, "adopted",    json_object_new_boolean(st->adopted));
+    json_object_object_add(root, "authkey",    json_object_new_string(st->authkey));
+    json_object_object_add(root, "inform_url", json_object_new_string(st->inform_url));
+    json_object_object_add(root, "cfgversion", json_object_new_string(st->cfgversion));
+    json_object_object_add(root, "config_applied", json_object_new_boolean(st->config_applied));
+    json_object_object_add(root, "config_schema", json_object_new_int(st->config_schema));
+    json_object_object_add(root, "use_aes_gcm", json_object_new_boolean(st->use_aes_gcm));
+    json_object_object_add(root, "mac",        json_object_new_string(st->mac));
+    json_object_object_add(root, "ip",         json_object_new_string(st->ip));
+    json_object_object_add(root, "hostname",   json_object_new_string(st->hostname));
+
+    const char *s = json_object_to_json_string_ext(root, JSON_C_TO_STRING_PRETTY);
+
+    FILE *f = fopen(OPENUF_STATE_FILE, "w");
+    if (!f) { 
+        LOG("Failed to open state file for writing");
+        json_object_put(root); 
+        return -1; 
+    }
+    fputs(s, f);
+    fclose(f);
+    json_object_put(root);
+    LOG("State saved successfully");
+    return 0;
+}