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extend use of lseek_blockwise functions

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This commit is contained in:
Ondrej Kozina
2017-12-07 12:49:16 +01:00
committed by Milan Broz
parent ed19ddf620
commit 82d81b9e86
4 changed files with 16 additions and 16 deletions
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12
lib/luks1/keyencryption.c
View File

@@ -183,9 +183,9 @@ int LUKS_encrypt_to_storage(char *src, size_t srcLength,
if (devfd < 0) if (devfd < 0)
goto out; goto out;
if (lseek(devfd, sector * SECTOR_SIZE, SEEK_SET) == -1 || if (write_lseek_blockwise(devfd, device_block_size(device),
write_blockwise(devfd, device_block_size(device), device_alignment(device), src, srcLength,
device_alignment(device), src, srcLength) == -1) sector * SECTOR_SIZE) < 0)
goto out; goto out;
r = 0; r = 0;
@@ -239,9 +239,9 @@ int LUKS_decrypt_from_storage(char *dst, size_t dstLength,
if (devfd < 0) if (devfd < 0)
goto bad; goto bad;
if (lseek(devfd, sector * SECTOR_SIZE, SEEK_SET) == -1 || if (read_lseek_blockwise(devfd, device_block_size(device),
read_blockwise(devfd, device_block_size(device), device_alignment(device), dst, dstLength,
device_alignment(device), dst, dstLength) == -1) sector * SECTOR_SIZE) < 0)
goto bad; goto bad;
close(devfd); close(devfd);

11
lib/luks2/luks2_keyslot_luks2.c
View File

@@ -73,10 +73,9 @@ static int luks2_encrypt_to_storage(char *src, size_t srcLength,
devfd = device_open_locked(device, O_RDWR); devfd = device_open_locked(device, O_RDWR);
if (devfd >= 0) { if (devfd >= 0) {
if (lseek(devfd, sector * SECTOR_SIZE, SEEK_SET) == -1 || if (write_lseek_blockwise(devfd, device_block_size(device),
write_blockwise(devfd, device_block_size(device),
device_alignment(device), src, device_alignment(device), src,
srcLength) == -1) srcLength, sector * SECTOR_SIZE) < 0)
r = -EIO; r = -EIO;
else else
r = 0; r = 0;
@@ -132,9 +131,9 @@ static int luks2_decrypt_from_storage(char *dst, size_t dstLength,
devfd = device_open_locked(device, O_RDONLY); devfd = device_open_locked(device, O_RDONLY);
if (devfd >= 0) { if (devfd >= 0) {
if (lseek(devfd, sector * SECTOR_SIZE, SEEK_SET) == -1 || if (read_lseek_blockwise(devfd, device_block_size(device),
read_blockwise(devfd, device_block_size(device), device_alignment(device), dst,
device_alignment(device), dst, dstLength) == -1) dstLength, sector * SECTOR_SIZE) < 0)
r = -EIO; r = -EIO;
else else
r = 0; r = 0;

6
lib/verity/verity.c
View File

@@ -82,9 +82,9 @@ int VERITY_read_sb(struct crypt_device *cd,
return -EINVAL; return -EINVAL;
} }
if (lseek(devfd, sb_offset, SEEK_SET) < 0 || if (read_lseek_blockwise(devfd, device_block_size(device),
read_blockwise(devfd, device_block_size(device), device_alignment(device), device_alignment(device), &sb, hdr_size,
&sb, hdr_size) < hdr_size) { sb_offset) < hdr_size) {
close(devfd); close(devfd);
return -EIO; return -EIO;
} }

1
lib/verity/verity_fec.c
View File

@@ -94,6 +94,7 @@ static int FEC_read_interleaved(struct fec_context *ctx, uint64_t i,
continue; continue;
} }
/* FIXME: read_lseek_blockwise candidate */
if (lseek(ctx->inputs[n].fd, ctx->inputs[n].start + offset, SEEK_SET) < 0) if (lseek(ctx->inputs[n].fd, ctx->inputs[n].start + offset, SEEK_SET) < 0)
return -1; return -1;
return (read_buffer(ctx->inputs[n].fd, output, count) == (ssize_t)count) ? 0 : -1; return (read_buffer(ctx->inputs[n].fd, output, count) == (ssize_t)count) ? 0 : -1;