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-rw-r--r--etc/inc/captiveportal.inc9
1 files changed, 7 insertions, 2 deletions
diff --git a/etc/inc/captiveportal.inc b/etc/inc/captiveportal.inc
index 0145962..497b6f1 100644
--- a/etc/inc/captiveportal.inc
+++ b/etc/inc/captiveportal.inc
@@ -1445,12 +1445,17 @@ function captiveportal_write_elements() {
if (is_array($cpcfg['element'])) {
conf_mount_rw();
foreach ($cpcfg['element'] as $data) {
- if (!@file_put_contents("{$g['captiveportal_element_path']}/{$data['name']}", base64_decode($data['content']))) {
+ /* Do not attempt to decode or write out empty files. */
+ if (empty($data['content']) || empty(base64_decode($data['content']))) {
+ unlink_if_exists("{$g['captiveportal_element_path']}/{$data['name']}");
+ touch("{$g['captiveportal_element_path']}/{$data['name']}");
+ } elseif (!@file_put_contents("{$g['captiveportal_element_path']}/{$data['name']}", base64_decode($data['content']))) {
printf(gettext("Error: cannot open '%s' in captiveportal_write_elements()%s"), $data['name'], "\n");
return 1;
}
- if (!file_exists("{$g['captiveportal_path']}/{$data['name']}"))
+ if (!file_exists("{$g['captiveportal_path']}/{$data['name']}")) {
@symlink("{$g['captiveportal_element_path']}/{$data['name']}", "{$g['captiveportal_path']}/{$data['name']}");
+ }
}
conf_mount_ro();
}
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