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Rewrite dm query/create function backend.

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git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@570 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Milan Broz
2011-07-17 22:35:17 +00:00
parent 69bd90055f
commit 913ef7c07e
12 changed files with 376 additions and 380 deletions
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20
lib/luks1/keyencryption.c
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@@ -56,7 +56,17 @@ static int setup_mapping(const char *cipher, const char *name,
int mode, struct crypt_device *ctx)
{
int device_sector_size = sector_size_for_device(device);
uint64_t size;
struct crypt_dm_active_device dmd = {
.device = device,
.cipher = cipher,
.uuid = NULL,
.key = (char*)key,
.key_size = keyLength,
.offset = sector,
.iv_offset = 0,
.size = 0,
.flags = (mode == O_RDONLY) ? CRYPT_ACTIVATE_READONLY : 0
};
/*
* we need to round this to nearest multiple of the underlying
@@ -66,11 +76,11 @@ static int setup_mapping(const char *cipher, const char *name,
log_err(ctx, _("Unable to obtain sector size for %s"), device);
return -EINVAL;
}
size = round_up_modulo(srcLength,device_sector_size)/SECTOR_SIZE;
cleaner_size = size;
return dm_create_device(name, device, cipher, "TEMP", NULL, size, 0, sector,
keyLength, key, (mode == O_RDONLY), 0);
dmd.size = round_up_modulo(srcLength,device_sector_size)/SECTOR_SIZE;
cleaner_size = dmd.size;
return dm_create_device(name, "TEMP", &dmd, 0);
}
static void sigint_handler(int sig __attribute__((unused)))