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path: root/src/npassd/db.c
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#include <errno.h>
#include <linux/limits.h>
#include <stdio.h>

#include "npassd/db.h"
#include "util.h"

#define DB_NAME "secret_service.sqlite"

const char sql_stmt_init[] = "CREATE TABLE IF NOT EXISTS store ("
			     "	storeid INTEGER PRIMARY KEY,"
			     "	name TEXT NOT NULL UNIQUE"
			     ");"
			     "CREATE TABLE IF NOT EXISTS lookup ("
			     "	key TEXT NOT NULL,"
			     "	value TEXT NOT NULL,"
			     "	storeid INTEGER,"
			     "	UNIQUE(storeid, key),"
			     "	FOREIGN KEY(storeid) REFERENCES store(storeid)"
			     ");";

int db_init(const char *store_path, struct sqlite3 **db)
{
	char db_path[PATH_MAX];
	int ret;

	ret = snprintf(db_path, sizeof(db_path), "%s/" DB_NAME, store_path);
	if (ret < 0 || (size_t)ret > sizeof(db_path)) {
		print_err("Path exceeded PATH_MAX");
		return -ENAMETOOLONG;
	}

	ret = sqlite3_open_v2(db_path, db,
			      SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE |
				      SQLITE_OPEN_FULLMUTEX,
			      NULL);
	if (ret != SQLITE_OK) {
		print_err("Can't open database: %s", sqlite3_errmsg(*db));
		return -EPERM;
	}

	ret = sqlite3_exec(*db, sql_stmt_init, NULL, NULL, NULL);
	if (ret != SQLITE_OK) {
		print_err("Failed to create tables: %s", sqlite3_errmsg(*db));
		return -EPERM;
	}

	return 0;
}