--build

1 files changed, 79 insertions, 0 deletions

diff --git a/src/fbuilder/filedb.c b/src/fbuilder/filedb.c
new file mode 100644
index 000000000..a76fbc961
--- /dev/null
+++ b/src/fbuilder/filedb.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2014-2017 Firejail Authors
+ *
+ * This file is part of firejail project
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "fbuilder.h"
+
+FileDB *filedb_find(FileDB *head, const char *fname) {
+        FileDB *ptr = head;
+        int found = 0;
+        int len = strlen(fname);
+        
+        while (ptr) {
+                // exact name
+                if (strcmp(fname, ptr->fname) == 0) {
+                        found = 1;
+                        break;
+                }
+                
+                // parent directory in the list
+                if (len > ptr->len &&
+                    fname[ptr->len] == '/' &&
+                    strncmp(ptr->fname, fname, ptr->len) == 0) {
+                        found = 1;
+                        break;
+                }
+
+                ptr = ptr->next;
+        }
+        
+        if (found)
+                return ptr;
+        
+        return NULL;
+}
+
+FileDB *filedb_add(FileDB *head, const char *fname) {
+        assert(fname);
+
+        // don't add it if it is already there or if the parent directory is already in the list
+        if (filedb_find(head, fname))
+                return head;
+        
+        // add a new entry
+        FileDB *entry = malloc(sizeof(FileDB));
+        if (!entry)
+                errExit("malloc");
+        memset(entry, 0, sizeof(FileDB));
+        entry->fname = strdup(fname);
+        if (!entry->fname)
+                errExit("strdup");
+        entry->len = strlen(entry->fname);
+        entry->next = head;
+        return entry;
+};
+
+void filedb_print(FileDB *head, const char *prefix) {
+        FileDB *ptr = head;
+        while (ptr) {
+                printf("%s%s\n", prefix, ptr->fname);
+                ptr = ptr->next;
+        }
+}
+