1 files changed, 114 insertions, 0 deletions
diff --git a/src/restore.c b/src/restore.c
new file mode 100644
index 0000000..c90cb82
--- /dev/null
+++ b/src/restore.c
@@ -0,0 +1,114 @@
+#include <libgen.h>
+
+#include "actions.h"
+#include "dblayer.h"
+#include "queries.h"
+#include "ckerrlog.h"
+
+ERRLOG(restore);
+
+int restore_make_links(cklist *from, cklist *to) {
+  list_rewind(from);
+  list_rewind(to);
+  if (list_size(from) > 0
+      && list_size(to) > 0
+      && list_size(from) == list_size(to)) {
+    do {
+      if (util_file_exists(list_get(to), NULL)
+          || !util_is_file_link(list_get(to))) {
+        ERR("File %s already exists.", list_get(to));
+        sERR("No links were created.");
+        return -1;
+      }
+    } while (list_next(to));
+    list_rewind(to);
+    while (1) {
+      if (util_symlink_file(list_get(from), list_get(to))) {
+        ERR("FATAL could not link %s -> %s", list_get(from), list_get(to));
+        sERR("Process stopping.");
+        return -1;
+      }
+      hLOG("Linking: %s -> %s", list_get(from), list_get(to));
+      if (util_own_grp_copy(list_get(to), list_get(from))) {
+        return -1;
+      }
+      if (!list_next(from)) {
+        break;
+      }
+      if (!list_next(to)) {
+        break;
+      }
+    }
+  }
+  return 0;
+}
+
+int restore_configs_exists(DB *db, Conf *conf, const char *pName, cklist *from, cklist *to) {
+  sqlite3_stmt *stmt;
+  int rc;
+
+  char sql[STR_L] = "";
+
+  char selection[STR_M] = COL_CONFIG_PATH;
+  strcat(selection, ",");
+  strcat(selection, COL_CONFIG_SECRET);
+
+  char condition[STR_M] = TBL_PROGRAM;
+  strcat(condition, ".");
+  strcat(condition, COL_PROGRAM_NAME);
+
+  dbh_form_query_select_from_joined_eq(sql, selection, condition);
+
+  rc = sqlite3_prepare_v2(db->ptr, sql, -1, &stmt, 0);
+  if (rc != SQLITE_OK) {
+    return 0;
+  }
+
+  sqlite3_bind_text(stmt, 1, pName, -1, 0);
+  int err_flag = 0;
+  while (sqlite3_step(stmt) == SQLITE_ROW) {
+    char filePath[STR_L] = "";
+    strcpy(filePath, /*secret*/ sqlite3_column_int(stmt, 1) ? conf->scrt_dir : conf->vc_dir);
+    strcat(filePath, "/");
+    strcat(filePath, pName);
+    if (!util_is_dir(filePath)) {
+      sERR("%s is not a directory.", filePath);
+      err_flag = 1;
+      break;
+    }
+    strcat(filePath, "/");
+    strcat(filePath, basename(/*path*/ (char *)sqlite3_column_text(stmt, 0)));
+    if (!util_is_file_rw(filePath)) {
+      sERR("%s does not exist or is not accessible.", filePath);
+      err_flag = 1;
+      break;
+    }
+    list_add(from, filePath);
+    char tpath[STR_L] = "";
+    if (!swap_tilde_with_home(tpath, (char *)sqlite3_column_text(stmt, 0), conf->home_dir)) {
+      strcpy(tpath, (char *)sqlite3_column_text(stmt, 0));
+    }
+    list_add(to, tpath);
+  }
+  sqlite3_finalize(stmt);
+  return !err_flag;
+}
+
+int restore_all_exist(DB *db, Conf *conf, cklist *from, cklist *to) {
+  cklist *programs = list_make_new();
+  if (list_get_programs(db, programs) != 1) {
+    ERR("No programs in ckdb");
+    list_free(programs);
+    return 0;
+  }
+  int err_flag = 0;
+  if (list_size(programs) > 0) {
+    do {
+      if (!restore_configs_exists(db, conf, list_get(programs), from, to)) {
+        err_flag = 1;
+      }
+    } while(list_next(programs));
+  }
+  list_free(programs);
+  return !err_flag;
+}