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mu: protect against overly long keys

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We got some errors when some of the key values exceeded the Xapian
maximum; in particular the message-id.

So make all the key-methods check, and truncate the message-id if
necessary.
This commit is contained in:
djcb
2018-08-14 21:57:33 +03:00
parent a4398ac93d
commit 93c6ff1f85
6 changed files with 43 additions and 33 deletions
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10
lib/mu-msg-file.c
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@ -30,6 +30,7 @@
#include "mu-util.h"
#include "mu-str.h"
#include "mu-maildir.h"
#include "mu-store.h"
#include "mu-msg-priv.h"
static gboolean init_file_metadata (MuMsgFile *self, const char* path,
@ -655,13 +656,12 @@ get_msgid (MuMsgFile *self, gboolean *do_free)
const char *msgid;
msgid = g_mime_message_get_message_id (self->_mime_msg);
if (msgid)
if (msgid && strlen(msgid) < MU_STORE_MAX_TERM_LENGTH) {
return (char*)msgid;
else { /* if there is none, fake it */
} else { /* if there is none, fake it */
*do_free = TRUE;
return g_strdup_printf (
"%s@fake-msgid",
mu_util_get_hash (self->_path));
return g_strdup_printf ("%s@fake-msgid",
mu_util_get_hash (self->_path));
}
}