Ejemplo n.º 1
0
int fs_metadata_set_int(fs_metadata *m, const char *key, long long int val)
{
    for (int e=0; e < m->length; e++) {
        if (!strcmp(m->entries[e].key, key)) {
            g_free(m->entries[e].val);
            m->entries[e].val = g_strdup_printf("%lld", val);

            return 0;
        }
    }

    return fs_metadata_add_int(m, key, val);
}
Ejemplo n.º 2
0
void setup_metadata(kbconfig *config)
{
    LOG(1, "Writing metadata.\n");

    fs_metadata *md = fs_metadata_open(config->name);
    fs_metadata_clear(md);
    fs_metadata_set(md, FS_MD_NAME, config->name);
    fs_metadata_set(md, FS_MD_HASHFUNC, FS_HASH);
    fs_metadata_set(md, FS_MD_STORE, "native");
    fs_metadata_set(md, FS_MD_MODEL_DATA, "true");
    if (config->model_files) {
        fs_metadata_set(md, FS_MD_MODEL_FILES, "true");
    } else {
        fs_metadata_set(md, FS_MD_MODEL_FILES, "false");
    }
    fs_metadata_set(md, FS_MD_CODE_VERSION, GIT_REV);
    for (int seg = 0; seg < config->segments; seg++) {
        if (primary_segment(config, seg))
	    fs_metadata_add_int(md, FS_MD_SEGMENT_P, seg);
        if (mirror_segment(config, seg))
	    fs_metadata_add_int(md, FS_MD_SEGMENT_M, seg);
    }

    /* Generate store UUID for skolemisation */
#if defined(USE_LINUX_UUID)
    uuid_t uu;
    uuid_string_t uus;
    uuid_generate(uu);
    uuid_unparse(uu, uus);
#elif defined(USE_BSD_UUID)
    uuid_t uu;
    char *uus = NULL;
    int status = -1;
    uuid_create(&uu, &status);
    if (status) { fs_error(LOG_ERR, "bad return from uuid_create"); exit(1); }
    uuid_to_string(&uu, &uus, &status);
    if (status || uus == NULL) { fs_error(LOG_ERR, "bad return from uuid_to_string"); exit(1); }
#elif defined(USE_OSSP_UUID)
    uuid_t *uu = NULL;
    char *uus = NULL;
    if (uuid_create(&uu)) { fs_error(LOG_ERR, "bad return from uuid_create"); exit(1); }
    if (uuid_make(uu, UUID_MAKE_V1)) { fs_error(LOG_ERR, "bad return from uuid_make"); exit(1); }
    if (uuid_export(uu, UUID_FMT_STR, &uus, NULL) || uus == NULL) { fs_error(LOG_ERR, "bad return from uuid_export"); exit(1); }
#endif
    fs_metadata_add(md, FS_MD_UUID, uus);
#if defined(USE_OSSP_UUID)
    uuid_destroy(uu);
#endif

    unsigned char stage1[20], stage2[16];
    char hash[33] = "none";
    int now = 0;
    if (config->password) {
        md5_state_t md5;
        char *pw = g_strdup_printf("%s:%s", config->name, config->password);

        /* stage1 will contain the 4 byte Unix time_t value as a salt ... */
        now = time(NULL);
        memcpy(stage1, &now, sizeof(now));

        /* ... followed by the on-wire 16 byte MD5 auth string */
	md5_init(&md5);
        md5_append(&md5, (md5_byte_t *) pw, strlen(pw));
        md5_finish(&md5, stage1 + 4);

        /* now use MD5 on all 20 bytes and store both the salt and the hash */
	md5_init(&md5);
        md5_append(&md5, stage1, sizeof(stage1));
        md5_finish(&md5, stage2);

        sprintf(hash, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
                stage2[0], stage2[1], stage2[2], stage2[3], stage2[4], stage2[5],
	        stage2[6], stage2[7], stage2[8], stage2[9], stage2[10], stage2[11],
                stage2[12], stage2[13], stage2[14], stage2[15]);

        g_free(pw);
    }

    fs_metadata_add_int(md, FS_MD_VERSION, FS_CURRENT_TABLE_VERSION);
    fs_metadata_add_int(md, FS_MD_SEGMENTS, config->segments);
    fs_metadata_add_int(md, FS_MD_SALT, now);
    fs_metadata_add_int(md, FS_MD_BNODE, 1);
    fs_metadata_add(md, FS_MD_HASH, hash);
    fs_metadata_flush(md);
    fs_metadata_close(md);

    fs_error(LOG_INFO, "created RDF metadata for KB %s", config->name);
}