dovecot-2.0: dbox: If file can't be opened read-write, fallback ...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/de7c0d84c560
changeset: 12758:de7c0d84c560
user:      Timo Sirainen <tss at iki.fi>
date:      Thu Apr 28 21:31:16 2011 +0300
description:
dbox: If file can't be opened read-write, fallback to read-only.

diffstat:

 src/lib-storage/index/dbox-common/dbox-file.c |  7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diffs (21 lines):

diff -r 5429f41aa6c1 -r de7c0d84c560 src/lib-storage/index/dbox-common/dbox-file.c
--- a/src/lib-storage/index/dbox-common/dbox-file.c	Thu Apr 28 21:30:21 2011 +0300
+++ b/src/lib-storage/index/dbox-common/dbox-file.c	Thu Apr 28 21:31:16 2011 +0300
@@ -165,11 +165,16 @@
 static int dbox_file_open_fd(struct dbox_file *file, bool try_altpath)
 {
 	const char *path;
+	int flags = O_RDWR;
 	bool alt = FALSE;
 
 	/* try the primary path first */
 	path = file->primary_path;
-	while ((file->fd = open(path, O_RDWR)) == -1) {
+	while ((file->fd = open(path, flags)) == -1) {
+		if (errno == EACCES && flags == O_RDWR) {
+			flags = O_RDONLY;
+			continue;
+		}
 		if (errno != ENOENT) {
 			mail_storage_set_critical(&file->storage->storage,
 						  "open(%s) failed: %m", path);