Mercurial > dovecot > original-hg > dovecot-1.2
changeset 8906:3c33885a717a HEAD
IMAP: Don't allow APPEND to specify INTERNALDATE more than 2 hours into future.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Fri, 03 Apr 2009 12:41:56 -0400 |
| parents | b567f5f42b3d |
| children | 9c82d97a5431 |
| files | src/imap/cmd-append.c |
| diffstat | 1 files changed, 13 insertions(+), 0 deletions(-) [+] |
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--- a/src/imap/cmd-append.c Fri Apr 03 12:35:02 2009 -0400 +++ b/src/imap/cmd-append.c Fri Apr 03 12:41:56 2009 -0400 @@ -12,6 +12,12 @@ #include <sys/time.h> +/* Don't allow internaldates to be too far in the future. At least with Maildir + they can cause problems with incremental backups since internaldate is + stored in file's mtime. But perhaps there are also some other reasons why + it might not be wanted. */ +#define INTERNALDATE_MAX_FUTURE_SECS (2*3600) + struct cmd_append_context { struct client *client; struct client_command_context *cmd; @@ -321,6 +327,13 @@ return cmd_append_cancel(ctx, nonsync); } + if (internal_date != (time_t)-1 && + internal_date > ioloop_time + INTERNALDATE_MAX_FUTURE_SECS) { + /* the client specified a time in the future, set it to now. */ + internal_date = (time_t)-1; + timezone_offset = 0; + } + if (ctx->msg_size == 0) { /* no message data, abort */ client_send_tagline(cmd, "NO Can't save a zero byte message.");