If all ciphers are built as kernel modules, crypto_algapi will
also be built as a module. /proc/crypto is only created when
crypto_algapi is loaded.
This patch allows an eCryptfs mount to continue if /proc/crypto
is not present, but cipher modules are found.
Signed-off-by: Tyler Hicks <[EMAIL PROTECTED]>
---
src/libecryptfs/cipher_list.c | 21 ++++++++++++++-------
1 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/src/libecryptfs/cipher_list.c b/src/libecryptfs/cipher_list.c
index 4573ac3..467fb4c 100644
--- a/src/libecryptfs/cipher_list.c
+++ b/src/libecryptfs/cipher_list.c
@@ -177,7 +177,13 @@ int ecryptfs_get_loaded_ciphers(struct
ecryptfs_cipher_elem *cipher_list_head)
goto out;
}
if (!(crypto_file = fopen(crypto_full_path, "r"))) {
- rc = -EIO;
+ syslog(LOG_WARNING, "%s: Failed to open [%s] for reading; This "
+ "is not a problem if the Kernel Crypto API is built as "
+ "a kernel module (called crypto_algapi) and is not "
+ "loaded. If this is not the case, eCryptfs will not be "
+ "able to use ciphers that are directly built into the "
+ "kernel.\n", __FUNCTION__, crypto_full_path);
+ rc = 0;
goto out;
}
while (fgets(buf, MAX_BUF_LEN, crypto_file)) {
@@ -368,12 +374,13 @@ int ecryptfs_get_kernel_ciphers(struct cipher_descriptor
*cd_head)
goto out;
}
if (!(crypto_file = fopen(crypto_full_path, "r"))) {
- syslog(LOG_INFO, "%s: Error attempting to open [%s] for "
- "reading; cannot detect loaded ciphers in your kernel. "
- "Bailing out. Make sure you have crypto support in your "
- "kernel and that /etc/mtab has your /proc mount point."
- "\n", __FUNCTION__, crypto_full_path);
- rc = -EIO;
+ syslog(LOG_WARNING, "%s: Failed to open [%s] for reading; This "
+ "is not a problem if the Kernel Crypto API is built as "
+ "a kernel module (called crypto_algapi) and is not "
+ "loaded. If this is not the case, eCryptfs will not be "
+ "able to use ciphers that are directly built into the "
+ "kernel.\n", __FUNCTION__, crypto_full_path);
+ rc = 0;
goto out;
}
while (fgets(buf, MAX_BUF_LEN, crypto_file)) {
--
1.5.3.7
-------------------------------------------------------------------------
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