File hashing (not finished)

src/db.c

@@ -45,7 +45,7 @@ static void processNotice(void *arg, const char *message) {
   // do nothing
 }
 
-int init_connection() {
+int init_db_connection() {
   // TODO: get from external configs
   conn = PQconnectdb("user=postgres password=dobro host=127.0.0.1 dbname=bbs");
 
@@ -56,20 +56,20 @@ int init_connection() {
   char *user = PQuser(conn);
   char *db_name = PQdb(conn);
 
-  printf("Connection established! server version: %d, user: %s, db: %s\n", server_ver,
-         user, db_name);
+  printf("Connection established! server version: %d, user: %s, db: %s\n",
+         server_ver, user, db_name);
   return exit_query(0);
 }
 
 int db_user_auth(i_auth_t *credentials, o_auth_t *response) {
-  char query[Q_LEN];
-  response->is_logged = 0;
-  sprintf(query,
-          "SELECT username, password, privileges "
-          "FROM users "
-          "WHERE username= '%s'",
-          credentials->name);
-  res = PQexec(conn, query);
+  const char *paramValues[1];
+  paramValues[0] = credentials->name;
+
+  res = PQexecParams(conn,
+                     "SELECT username, password, privileges "
+                     "FROM users "
+                     "WHERE username= $1", 1,
+                     NULL, paramValues, NULL, NULL, 0);
 
   if (PQresultStatus(res) != PGRES_TUPLES_OK && !PQntuples(res))
     return exit_query(1);
@@ -81,49 +81,4 @@ int db_user_auth(i_auth_t *credentials, o_auth_t *response) {
     return exit_query(0);
   }
   return exit_query(2);
-}
-
-/*s
-
-int f_main() {
-  int libpq_ver = PQlibVersion();
-  printf("Version of libpq: %d\n", libpq_ver);
-
-  conn = PQconnectdb("user=postgres password=dobro host=127.0.0.1 dbname=bbs");
-  if (PQstatus(conn) != CONNECTION_OK)
-    terminate(1);
-
-  PQsetNoticeProcessor(conn, processNotice, NULL);
-
-  int server_ver = PQserverVersion(conn);
-  char *user = PQuser(conn);
-  char *db_name = PQdb(conn);
-
-  printf("Server version: %d\n", server_ver);
-  printf("User: %s\n", user);
-  printf("Database name: %s\n", db_name);
-
-  res = PQexec(conn, "SELECT id, username, privileges, email "
-                     "FROM users");
-  if (PQresultStatus(res) != PGRES_TUPLES_OK)
-    terminate(1);
-
-  int nrows = PQntuples(res);
-  for (int i = 0; i < nrows; i++) {
-    char *id = PQgetvalue(res, i, 0);
-    char *name = PQgetvalue(res, i, 1);
-    char *privileges = PQgetvalue(res, i, 2);
-    char *email = PQgetvalue(res, i, 3);
-    printf("Id: %s, Name: %s, Privileges: %d, Email: %s, \n", id, name,
-           privileges[0], email);
-  }
-
-  printf("Total: %d rows\n", nrows);
-
-  clearRes();
-  terminate(0);
-
-  return 0;
-}
-
-*/
+}