fixes file upload; replaces NOW() to date() in sqlite queries

src/db/db_sqlite.c

@@ -234,7 +234,7 @@ int32_t db_user_auth(i_auth_t *c, o_auth_t *r) {
 
   if (res == db_success) {
     char u_buf[128];
-    sprintf(u_buf, "UPDATE users SET last_login = NOW() WHERE id = %u", r->uid);
+    sprintf(u_buf, "UPDATE users SET last_login = date() WHERE id = %u", r->uid);
     sqlite3_exec(db, u_buf, NULL, NULL, NULL);
     return r->uid;
   }
@@ -295,7 +295,7 @@ int32_t db_save_file(session *s) {
 
   res = db_query("INSERT INTO files(user_id, name, size, created_at, "
                  "hash, description, permissions) "
-                 "VALUES ($1, $2, $3, NOW(), $4, $5, $6) "
+                 "VALUES ($1, $2, $3, date(), $4, $5, $6) "
                  "RETURNING id",
                  db_save_file_cb, &resp_data, arg_types, s->uid, sfP->name,
                  sfP->size, sfP->hash,

src/file_p.h

@@ -22,4 +22,5 @@ int file_receive_prepare(session *sess, char *line, server_data_t *s_d);
 int file_upload_description(session *sess, char *line, server_data_t *s_d);
 int file_save_db(session *sess, server_data_t *s_d);
 void clear_file_from_sess(session *);
+int directory_exists(const char *path);
 #endif

src/server.c

@@ -2,6 +2,7 @@
 /* Copyright (c) 2026 Oleksandr Zhylin */
 
 #include "main.h"
+#include "file_p.h"
 #include "session.h"
 #include <arpa/inet.h>
 #include <errno.h>
@@ -12,6 +13,7 @@
 #include <sys/mman.h>
 #include <sys/select.h>
 #include <sys/socket.h>
+#include <sys/stat.h>
 #include <unistd.h>
 
 void server_main_loop(server_data_t *s_d) {
@@ -63,8 +65,7 @@ void server_main_loop(server_data_t *s_d) {
       /* download/upload file */
       if (connections[i] != NULL && (connections[i]->state == OP_UPLOAD ||
                                      connections[i]->state == OP_DOWNLOAD)) {
-        if (connections[i]->fd > -1 &&
-            FD_ISSET(connections[i]->fd, &readfds)) {
+        if (connections[i]->fd > -1 && FD_ISSET(connections[i]->fd, &readfds)) {
           perform_session_action(connections[i], NULL, s_d);
         }
       } else if (connections[i] != NULL && FD_ISSET(i, &readfds)) {
@@ -93,7 +94,7 @@ char *get_welcome_mes(void) {
     perror(WELCOME_FILE_NAME);
     exit(7);
   }
-  int filesize = lseek(fd, 0, SEEK_END)+1;
+  int filesize = lseek(fd, 0, SEEK_END) + 1;
   lseek(fd, 0, SEEK_SET);
   char *welcome_message =
       mmap(NULL, filesize, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
@@ -102,7 +103,7 @@ char *get_welcome_mes(void) {
     close(fd);
     exit(5);
   }
-  welcome_message[filesize-1] = '\04';
+  welcome_message[filesize - 1] = '\04';
   close(fd);
   return welcome_message;
 }
@@ -143,4 +144,8 @@ void prepare_start(int argc, char *argv[]) {
     perror(argv[1]);
     exit(2);
   }
+
+  if (!directory_exists(STORAGE_FOLDER)) {
+    mkdir(STORAGE_FOLDER, 0700);
+  }
 }