int nvram_get_file(const char *key, const char *fname, int max)
{
int n;
char *p;
char *b;
int r;
r = 0;
p = nvram_safe_get(key);
n = strlen(p);
if (n <= max) {
if ((b = malloc(base64_decoded_len(n) + 128)) != NULL) {
n = base64_decode(p, b, n);
if (n > 0) r = (f_write(fname, b, n, 0, 0644) == n);
free(b);
}
}
return r;
/*
char b[2048];
int n;
char *p;
p = nvram_safe_get(key);
n = strlen(p);
if (n <= max) {
n = base64_decode(p, b, n);
if (n > 0) return (f_write(fname, b, n, 0, 0700) == n);
}
return 0;
*/
}
static char* test_encode_and_decode_base64()
{
load_histograms();
uint8_t* buffer = NULL;
uint8_t* decoded = NULL;
char* encoded = NULL;
size_t len = 0;
int rc = 0;
rc = hdr_encode_compressed(cor_histogram, &buffer, &len);
mu_assert("Did not encode", validate_return_code(rc));
size_t encoded_len = base64_encoded_len(len);
size_t decoded_len = base64_decoded_len(encoded_len);
encoded = calloc(encoded_len + 1, sizeof(char));
decoded = calloc(decoded_len, sizeof(uint8_t));
base64_encode(buffer, len, encoded, encoded_len);
base64_decode(encoded, encoded_len, decoded, decoded_len);
mu_assert("Should be same", memcmp(buffer, decoded, len) == 0);
return 0;
}
static void load(long uptime)
{
int i;
long t;
char *bi, *bo;
int n;
char hgz[256];
unsigned char mac[6];
strlcpy(save_path, nvram_safe_get("rstats_path"), sizeof(save_path) - 32);
if (((n = strlen(save_path)) > 0) && (save_path[n - 1] == '/')) {
ether_atoe(nvram_safe_get("et0macaddr"), mac);
sprintf(save_path + n, "ddwrt_rstats_%02x%02x%02x%02x%02x%02x.gz",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}
if (f_read("/var/lib/misc/rstats-stime", &save_utime, sizeof(save_utime)) != sizeof(save_utime)) {
save_utime = 0;
}
t = uptime + get_stime();
if ((save_utime < uptime) || (save_utime > t)) save_utime = t;
_dprintf("uptime = %dm, save_utime = %dm\n", uptime / 60, save_utime / 60);
speed_count = decomp(speed_fn, speed, sizeof(speed[0]), MAX_SPEED_IF);
_dprintf("load speed_count = %d\n", speed_count);
if ((load_history()) || (save_path[0] == 0)) return;
sprintf(hgz, "%s.gz", history_fn);
if (strcmp(save_path, "*nvram") == 0) {
if (!wait_action_idle(60)) exit(0);
bi = nvram_safe_get("rstats_data");
if ((n = strlen(bi)) > 0) {
if ((bo = malloc(base64_decoded_len(n))) != NULL) {
n = base64_decode(bi, bo, n);
f_write(hgz, bo, n, 0, 0);
free(bo);
_dprintf("from nvram = %d\n", n);
}
}
}
else {
for (i = 30; i > 0; --i) {
if (!wait_action_idle(60)) exit(0);
_dprintf("copy %s to %s\n", save_path, hgz);
if (eval("cp", save_path, hgz) == 0) break;
// not ready...
sleep(3);
}
if (i == 0) {
save_utime = uptime + 60;
_dprintf("forcing early save on next\n");
}
}
load_history();
}