diff options
| author | Jeff Garzik <jeff@garzik.org> | 2006-04-24 06:55:25 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-04-24 06:55:25 -0400 |
| commit | 48152a4a764ece743d6f51b75601bc34cc9ad832 (patch) | |
| tree | 218020518fde625168bd49fa16651285a8e46ce0 | |
| parent | 95e90ee71799bf2099be2906ff23a6503de57109 (diff) | |
| download | dbfs-48152a4a764ece743d6f51b75601bc34cc9ad832.tar.gz | |
dbfs: database creation features
- support encryption, if desired
- force byte order to little endian
- force page size to 512
| -rw-r--r-- | dbfs-backend.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/dbfs-backend.c b/dbfs-backend.c index 506fec7..34a477f 100644 --- a/dbfs-backend.c +++ b/dbfs-backend.c @@ -31,8 +31,9 @@ static DB *db_meta; int init_db(void) { - const char *db_home; + const char *db_home, *db_password; int rc; + unsigned int flags = 0; /* * open DB environment @@ -44,6 +45,12 @@ int init_db(void) return 1; } + db_password = getenv("DB_PASSWORD"); + if (db_password) { + if (putenv("DB_PASSWORD=X")) + perror("putenv (SECURITY WARNING)"); + } + rc = db_env_create(&db_env, 0); if (rc) { fprintf(stderr, "db_env_create failed: %d\n", rc); @@ -53,12 +60,21 @@ int init_db(void) db_env->set_errfile(db_env, stderr); db_env->set_errpfx(db_env, "dbfs"); + if (db_password) { + flags |= DB_ENCRYPT; + rc = db_env->set_encrypt(db_env, db_password, DB_ENCRYPT_AES); + if (rc) { + db_env->err(db_env, rc, "db_env->set_encrypt"); + goto err_out; + } + } + rc = db_env->open(db_env, db_home, DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | - DB_INIT_TXN | DB_RECOVER | DB_CREATE, 0666); + DB_INIT_TXN | DB_RECOVER | DB_CREATE | flags, 0666); if (rc) { db_env->err(db_env, rc, "db_env->open"); - return 1; + goto err_out; } /* @@ -72,12 +88,24 @@ int init_db(void) } rc = db_meta->open(db_meta, NULL, "metadata", NULL, - DB_HASH, DB_AUTO_COMMIT | DB_CREATE, 0666); + DB_HASH, DB_AUTO_COMMIT | DB_CREATE | flags, 0666); if (rc) { db_meta->err(db_meta, rc, "db_meta->open"); goto err_out_meta; } + rc = db_meta->set_pagesize(db_meta, 512); + if (rc) { + db_meta->err(db_meta, rc, "db_meta->set_pagesize"); + goto err_out_meta; + } + + rc = db_meta->set_lorder(db_meta, 1234); + if (rc) { + db_meta->err(db_meta, rc, "db_meta->set_lorder"); + goto err_out_meta; + } + return 0; err_out_meta: |