Fixe more context propagation paths.

This commit is contained in:
Milan Broz
2018-11-27 16:09:45 +01:00
parent b17e4fa3bf
commit 991ab5de64
14 changed files with 57 additions and 62 deletions

View File

@@ -52,7 +52,8 @@ static void wipeSpecial(char *buffer, size_t buffer_size, unsigned int turn)
}
}
static int crypt_wipe_special(int fd, size_t bsize, size_t alignment, char *buffer,
static int crypt_wipe_special(struct crypt_device *cd, int fd, size_t bsize,
size_t alignment, char *buffer,
uint64_t offset, size_t size)
{
int r;
@@ -61,12 +62,12 @@ static int crypt_wipe_special(int fd, size_t bsize, size_t alignment, char *buff
for (i = 0; i < 39; ++i) {
if (i < 5) {
r = crypt_random_get(NULL, buffer, size, CRYPT_RND_NORMAL);
r = crypt_random_get(cd, buffer, size, CRYPT_RND_NORMAL);
} else if (i >= 5 && i < 32) {
wipeSpecial(buffer, size, i - 5);
r = 0;
} else if (i >= 32 && i < 38) {
r = crypt_random_get(NULL, buffer, size, CRYPT_RND_NORMAL);
r = crypt_random_get(cd, buffer, size, CRYPT_RND_NORMAL);
} else if (i >= 38 && i < 39) {
memset(buffer, 0xFF, size);
r = 0;
@@ -81,7 +82,7 @@ static int crypt_wipe_special(int fd, size_t bsize, size_t alignment, char *buff
}
/* Rewrite it finally with random */
if (crypt_random_get(NULL, buffer, size, CRYPT_RND_NORMAL) < 0)
if (crypt_random_get(cd, buffer, size, CRYPT_RND_NORMAL) < 0)
return -EIO;
written = write_lseek_blockwise(fd, bsize, alignment, buffer, size, offset);
@@ -91,14 +92,14 @@ static int crypt_wipe_special(int fd, size_t bsize, size_t alignment, char *buff
return 0;
}
static int wipe_block(int devfd, crypt_wipe_pattern pattern, char *sf,
size_t device_block_size, size_t alignment,
static int wipe_block(struct crypt_device *cd, int devfd, crypt_wipe_pattern pattern,
char *sf, size_t device_block_size, size_t alignment,
size_t wipe_block_size, uint64_t offset, bool *need_block_init)
{
int r;
if (pattern == CRYPT_WIPE_SPECIAL)
return crypt_wipe_special(devfd, device_block_size, alignment,
return crypt_wipe_special(cd, devfd, device_block_size, alignment,
sf, offset, wipe_block_size);
if (*need_block_init) {
@@ -107,12 +108,12 @@ static int wipe_block(int devfd, crypt_wipe_pattern pattern, char *sf,
*need_block_init = false;
r = 0;
} else if (pattern == CRYPT_WIPE_RANDOM) {
r = crypt_random_get(NULL, sf, wipe_block_size,
r = crypt_random_get(cd, sf, wipe_block_size,
CRYPT_RND_NORMAL) ? -EIO : 0;
*need_block_init = true;
} else if (pattern == CRYPT_WIPE_ENCRYPTED_ZERO) {
// FIXME
r = crypt_random_get(NULL, sf, wipe_block_size,
r = crypt_random_get(cd, sf, wipe_block_size,
CRYPT_RND_NORMAL) ? -EIO : 0;
*need_block_init = true;
} else
@@ -201,7 +202,7 @@ int crypt_wipe_device(struct crypt_device *cd,
//log_dbg("Wipe %012" PRIu64 "-%012" PRIu64 " bytes", offset, offset + wipe_block_size);
r = wipe_block(devfd, pattern, sf, bsize, alignment,
r = wipe_block(cd, devfd, pattern, sf, bsize, alignment,
wipe_block_size, offset, &need_block_init);
if (r) {
log_err(cd, "Device wipe error, offset %" PRIu64 ".", offset);