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Use internal bit operations instead of network byte order functions.

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This commit is contained in:
Milan Broz
2021-02-27 21:31:17 +01:00
parent ca2e1fc956
commit 9209d7e3b5
4 changed files with 21 additions and 22 deletions
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38
lib/luks1/keymanage.c
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@@ -22,7 +22,6 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
@@ -473,12 +472,13 @@ static int _check_and_convert_hdr(const char *device,
unsigned int i;
char luksMagic[] = LUKS_MAGIC;
if(memcmp(hdr->magic, luksMagic, LUKS_MAGIC_L)) { /* Check magic */
hdr->version = be16_to_cpu(hdr->version);
if (memcmp(hdr->magic, luksMagic, LUKS_MAGIC_L)) { /* Check magic */
log_dbg(ctx, "LUKS header not detected.");
if (require_luks_device)
log_err(ctx, _("Device %s is not a valid LUKS device."), device);
return -EINVAL;
} else if((hdr->version = ntohs(hdr->version)) != 1) { /* Convert every uint16/32_t item from network byte order */
} else if (hdr->version != 1) {
log_err(ctx, _("Unsupported LUKS version %d."), hdr->version);
return -EINVAL;
}
@@ -490,15 +490,15 @@ static int _check_and_convert_hdr(const char *device,
}
/* Header detected */
hdr->payloadOffset = ntohl(hdr->payloadOffset);
hdr->keyBytes = ntohl(hdr->keyBytes);
hdr->mkDigestIterations = ntohl(hdr->mkDigestIterations);
hdr->payloadOffset = be32_to_cpu(hdr->payloadOffset);
hdr->keyBytes = be32_to_cpu(hdr->keyBytes);
hdr->mkDigestIterations = be32_to_cpu(hdr->mkDigestIterations);
for(i = 0; i < LUKS_NUMKEYS; ++i) {
hdr->keyblock[i].active = ntohl(hdr->keyblock[i].active);
hdr->keyblock[i].passwordIterations = ntohl(hdr->keyblock[i].passwordIterations);
hdr->keyblock[i].keyMaterialOffset = ntohl(hdr->keyblock[i].keyMaterialOffset);
hdr->keyblock[i].stripes = ntohl(hdr->keyblock[i].stripes);
for (i = 0; i < LUKS_NUMKEYS; ++i) {
hdr->keyblock[i].active = be32_to_cpu(hdr->keyblock[i].active);
hdr->keyblock[i].passwordIterations = be32_to_cpu(hdr->keyblock[i].passwordIterations);
hdr->keyblock[i].keyMaterialOffset = be32_to_cpu(hdr->keyblock[i].keyMaterialOffset);
hdr->keyblock[i].stripes = be32_to_cpu(hdr->keyblock[i].stripes);
}
if (LUKS_check_keyslots(ctx, hdr))
@@ -650,15 +650,15 @@ int LUKS_write_phdr(struct luks_phdr *hdr,
memset(&convHdr._padding, 0, sizeof(convHdr._padding));
/* Convert every uint16/32_t item to network byte order */
convHdr.version = htons(hdr->version);
convHdr.payloadOffset = htonl(hdr->payloadOffset);
convHdr.keyBytes = htonl(hdr->keyBytes);
convHdr.mkDigestIterations = htonl(hdr->mkDigestIterations);
convHdr.version = cpu_to_be16(hdr->version);
convHdr.payloadOffset = cpu_to_be32(hdr->payloadOffset);
convHdr.keyBytes = cpu_to_be32(hdr->keyBytes);
convHdr.mkDigestIterations = cpu_to_be32(hdr->mkDigestIterations);
for(i = 0; i < LUKS_NUMKEYS; ++i) {
convHdr.keyblock[i].active = htonl(hdr->keyblock[i].active);
convHdr.keyblock[i].passwordIterations = htonl(hdr->keyblock[i].passwordIterations);
convHdr.keyblock[i].keyMaterialOffset = htonl(hdr->keyblock[i].keyMaterialOffset);
convHdr.keyblock[i].stripes = htonl(hdr->keyblock[i].stripes);
convHdr.keyblock[i].active = cpu_to_be32(hdr->keyblock[i].active);
convHdr.keyblock[i].passwordIterations = cpu_to_be32(hdr->keyblock[i].passwordIterations);
convHdr.keyblock[i].keyMaterialOffset = cpu_to_be32(hdr->keyblock[i].keyMaterialOffset);
convHdr.keyblock[i].stripes = cpu_to_be32(hdr->keyblock[i].stripes);
}
r = write_lseek_blockwise(devfd, device_block_size(ctx, device), device_alignment(device),

1
lib/verity/verity.c
View File

@@ -26,7 +26,6 @@
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <uuid/uuid.h>
#include "libcryptsetup.h"

1
src/cryptsetup.h
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@@ -41,6 +41,7 @@
#include <sys/time.h>
#include "lib/nls.h"
#include "lib/bitops.h"
#include "lib/utils_crypt.h"
#include "lib/utils_loop.h"
#include "lib/utils_fips.h"

3
src/cryptsetup_reencrypt.c
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@@ -21,7 +21,6 @@
#include <sys/ioctl.h>
#include <linux/fs.h>
#include <arpa/inet.h>
#include <uuid/uuid.h>
#include "cryptsetup.h"
@@ -211,7 +210,7 @@ static int device_check(struct reenc_ctx *rc, const char *device, header_magic s
/* Be sure that we do not process new version of header */
memcpy((void*)&version, &buf[MAGIC_L], sizeof(uint16_t));
version = ntohs(version);
version = be16_to_cpu(version);
if (set_magic == MAKE_UNUSABLE && !memcmp(buf, MAGIC, MAGIC_L) &&
version == 1) {