ecryptfs_debug really should not be a mount option; it is not per-mount,
but rather sets a global "ecryptfs_verbosity" variable which affects all
mounted filesysytems. It's already settable as a module load option,
I think we can leave it at that.
Also, if set, since secret values come out in debug messages, kick
things off with a stern warning.
Signed-off-by: Eric Sandeen <[email protected]>
---
ndex: linux-2.6.24-rc3/fs/ecryptfs/main.c
===================================================================
--- linux-2.6.24-rc3.orig/fs/ecryptfs/main.c
+++ linux-2.6.24-rc3/fs/ecryptfs/main.c
@@ -226,17 +226,15 @@ out:
return rc;
}
-enum { ecryptfs_opt_sig, ecryptfs_opt_ecryptfs_sig, ecryptfs_opt_debug,
- ecryptfs_opt_ecryptfs_debug, ecryptfs_opt_cipher,
- ecryptfs_opt_ecryptfs_cipher, ecryptfs_opt_ecryptfs_key_bytes,
+enum { ecryptfs_opt_sig, ecryptfs_opt_ecryptfs_sig,
+ ecryptfs_opt_cipher, ecryptfs_opt_ecryptfs_cipher,
+ ecryptfs_opt_ecryptfs_key_bytes,
ecryptfs_opt_passthrough, ecryptfs_opt_xattr_metadata,
ecryptfs_opt_encrypted_view, ecryptfs_opt_err };
static match_table_t tokens = {
{ecryptfs_opt_sig, "sig=%s"},
{ecryptfs_opt_ecryptfs_sig, "ecryptfs_sig=%s"},
- {ecryptfs_opt_debug, "debug=%u"},
- {ecryptfs_opt_ecryptfs_debug, "ecryptfs_debug=%u"},
{ecryptfs_opt_cipher, "cipher=%s"},
{ecryptfs_opt_ecryptfs_cipher, "ecryptfs_cipher=%s"},
{ecryptfs_opt_ecryptfs_key_bytes, "ecryptfs_key_bytes=%u"},
@@ -313,7 +311,6 @@ static int ecryptfs_parse_options(struct
substring_t args[MAX_OPT_ARGS];
int token;
char *sig_src;
- char *debug_src;
char *cipher_name_dst;
char *cipher_name_src;
char *cipher_key_bytes_src;
@@ -341,16 +338,6 @@ static int ecryptfs_parse_options(struct
}
sig_set = 1;
break;
- case ecryptfs_opt_debug:
- case ecryptfs_opt_ecryptfs_debug:
- debug_src = args[0].from;
- ecryptfs_verbosity =
- (int)simple_strtol(debug_src, &debug_src,
- 0);
- ecryptfs_printk(KERN_DEBUG,
- "Verbosity set to [%d]" "\n",
- ecryptfs_verbosity);
- break;
case ecryptfs_opt_cipher:
case ecryptfs_opt_ecryptfs_cipher:
cipher_name_src = args[0].from;
@@ -911,6 +898,10 @@ static int __init ecryptfs_init(void)
"rc = [%d]\n", rc);
goto out_release_messaging;
}
+ if (ecryptfs_verbosity > 0)
+ printk(KERN_CRIT "eCryptfs verbosity set to %d. Secret values "
+ "will be written to the syslog!\n", ecryptfs_verbosity);
+
goto out;
out_release_messaging:
ecryptfs_release_messaging(ecryptfs_transport);
Index: linux-2.6.24-rc3/fs/ecryptfs/super.c
===================================================================
--- linux-2.6.24-rc3.orig/fs/ecryptfs/super.c
+++ linux-2.6.24-rc3/fs/ecryptfs/super.c
@@ -175,10 +175,6 @@ static int ecryptfs_show_options(struct
}
mutex_unlock(&mount_crypt_stat->global_auth_tok_list_mutex);
- /* Note this is global and probably shouldn't be a mount option */
- if (ecryptfs_verbosity)
- seq_printf(m, ",ecryptfs_debug=%d\n", ecryptfs_verbosity);
-
seq_printf(m, ",ecryptfs_cipher=%s",
mount_crypt_stat->global_default_cipher_name);
--
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