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![]() Now that a pointer to a valid struct ecryptfs_daemon is stored in the private_data of an opened /dev/ecryptfs file, the remaining miscdev functions can utilize the pointer rather than looking up the ecryptfs_daemon at the beginning of each operation. The security model of /dev/ecryptfs is simplified a little bit with this patch. Upon opening /dev/ecryptfs, a per-user ecryptfs_daemon is registered. Another daemon cannot be registered for that user until the last file reference is released. During the lifetime of the ecryptfs_daemon, access checks are not performed on the /dev/ecryptfs operations because it is assumed that the application securely handles the opened file descriptor and does not unintentionally leak it to processes that are not trusted. Signed-off-by: Tyler Hicks <tyhicks@canonical.com> Cc: Sasha Levin <levinsasha928@gmail.com> |
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.. | ||
crypto.c | ||
debug.c | ||
dentry.c | ||
ecryptfs_kernel.h | ||
file.c | ||
inode.c | ||
Kconfig | ||
keystore.c | ||
kthread.c | ||
main.c | ||
Makefile | ||
messaging.c | ||
miscdev.c | ||
mmap.c | ||
read_write.c | ||
super.c |