--build

1 files changed, 72 insertions, 0 deletions

diff --git a/src/fbuilder/utils.c b/src/fbuilder/utils.c
new file mode 100644
index 000000000..902290899
--- /dev/null
+++ b/src/fbuilder/utils.c
@@ -0,0 +1,72 @@
+/*
+ * 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"
+
+// todo: duplicated from src/firejail/util.c - remove dplication
+// return 1 if the file is a directory
+int is_dir(const char *fname) {
+        assert(fname);
+        if (*fname == '\0')
+                return 0;
+
+        // if fname doesn't end in '/', add one
+        int rv;
+        struct stat s;
+        if (fname[strlen(fname) - 1] == '/')
+                rv = stat(fname, &s);
+        else {
+                char *tmp;
+                if (asprintf(&tmp, "%s/", fname) == -1) {
+                        fprintf(stderr, "Error: cannot allocate memory, %s:%d\n", __FILE__, __LINE__);
+                        errExit("asprintf");
+                }
+                rv = stat(tmp, &s);
+                free(tmp);
+        }
+
+        if (rv == -1)
+                return 0;
+
+        if (S_ISDIR(s.st_mode))
+                return 1;
+
+        return 0;
+}
+
+// return NULL if fname is already a directory, or if no directory found
+char *extract_dir(char *fname) {
+        assert(fname);
+        if (is_dir(fname))
+                return NULL;
+        
+        char *name = strdup(fname);
+        if (!name)
+                errExit("strdup");
+                
+        char *ptr = strrchr(name, '/');
+        if (!ptr) {
+                free(name);
+                return NULL;
+        }
+        *ptr = '\0';
+        
+        return name;
+}