diff options
Diffstat (limited to 'fs/ecryptfs/main.c')
| -rw-r--r-- | fs/ecryptfs/main.c | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index fe41ab1566e..87f05c4bd50 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -6,6 +6,7 @@ * Copyright (C) 2004-2006 International Business Machines Corp. * Author(s): Michael A. Halcrow <mahalcro@us.ibm.com> * Michael C. Thompson <mcthomps@us.ibm.com> + * Tyler Hicks <tyhicks@ou.edu> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -48,6 +49,43 @@ MODULE_PARM_DESC(ecryptfs_verbosity, "Initial verbosity level (0 or 1; defaults to " "0, which is Quiet)"); +/** + * Module parameter that defines the number of netlink message buffer + * elements + */ +unsigned int ecryptfs_message_buf_len = ECRYPTFS_DEFAULT_MSG_CTX_ELEMS; + +module_param(ecryptfs_message_buf_len, uint, 0); +MODULE_PARM_DESC(ecryptfs_message_buf_len, + "Number of message buffer elements"); + +/** + * Module parameter that defines the maximum guaranteed amount of time to wait + * for a response through netlink. The actual sleep time will be, more than + * likely, a small amount greater than this specified value, but only less if + * the netlink message successfully arrives. + */ +signed long ecryptfs_message_wait_timeout = ECRYPTFS_MAX_MSG_CTX_TTL / HZ; + +module_param(ecryptfs_message_wait_timeout, long, 0); +MODULE_PARM_DESC(ecryptfs_message_wait_timeout, + "Maximum number of seconds that an operation will " + "sleep while waiting for a message response from " + "userspace"); + +/** + * Module parameter that is an estimate of the maximum number of users + * that will be concurrently using eCryptfs. Set this to the right + * value to balance performance and memory use. + */ +unsigned int ecryptfs_number_of_users = ECRYPTFS_DEFAULT_NUM_USERS; + +module_param(ecryptfs_number_of_users, uint, 0); +MODULE_PARM_DESC(ecryptfs_number_of_users, "An estimate of the number of " + "concurrent users of eCryptfs"); + +unsigned int ecryptfs_transport = ECRYPTFS_DEFAULT_TRANSPORT; + void __ecryptfs_printk(const char *fmt, ...) { va_list args; @@ -347,9 +385,10 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options) rc = -EINVAL; goto out; } - if (auth_tok->token_type != ECRYPTFS_PASSWORD) { + if (auth_tok->token_type != ECRYPTFS_PASSWORD + && auth_tok->token_type != ECRYPTFS_PRIVATE_KEY) { ecryptfs_printk(KERN_ERR, "Invalid auth_tok structure " - "returned from key\n"); + "returned from key query\n"); rc = -EINVAL; goto out; } @@ -794,6 +833,11 @@ static int __init ecryptfs_init(void) ecryptfs_free_kmem_caches(); goto out; } + rc = ecryptfs_init_messaging(ecryptfs_transport); + if (rc) { + ecryptfs_printk(KERN_ERR, "Failure occured while attempting to " + "initialize the eCryptfs netlink socket\n"); + } out: return rc; } @@ -805,6 +849,7 @@ static void __exit ecryptfs_exit(void) sysfs_remove_file(&ecryptfs_subsys.kset.kobj, &sysfs_attr_version_str.attr); subsystem_unregister(&ecryptfs_subsys); + ecryptfs_release_messaging(ecryptfs_transport); unregister_filesystem(&ecryptfs_fs_type); ecryptfs_free_kmem_caches(); } |