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add support for openssl 1.1

cute-signatures
Timo Teräs 2018-10-26 08:21:52 +03:00
parent 40ffdfe623
commit beab8545eb
8 changed files with 90 additions and 54 deletions
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2
src/apk_blob.h
View File

@ -14,9 +14,9 @@
#include <ctype.h>
#include <string.h>
#include <openssl/evp.h>
#include "apk_defines.h"
#include "apk_openssl.h"
typedef const unsigned char *apk_spn_match;
typedef unsigned char apk_spn_match_def[256 / 8];

1
src/apk_io.h
View File

@ -12,7 +12,6 @@
#define APK_IO
#include <sys/types.h>
#include <openssl/evp.h>
#include <fcntl.h>
#include <time.h>

21
src/apk_openssl.h Normal file
View File

@ -0,0 +1,21 @@
#ifndef APK_SSL_COMPAT_H
#define APK_SSL_COMPAT_H
#include <openssl/opensslv.h>
#include <openssl/evp.h>
#if OPENSSL_VERSION_NUMBER < 0x1010000fL || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
static inline EVP_MD_CTX *EVP_MD_CTX_new(void)
{
return EVP_MD_CTX_create();
}
static inline void EVP_MD_CTX_free(EVP_MD_CTX *mdctx)
{
return EVP_MD_CTX_destroy(mdctx);
}
#endif
#endif

2
src/apk_package.h
View File

@ -58,7 +58,7 @@ struct apk_sign_ctx {
int data_verified : 1;
char data_checksum[EVP_MAX_MD_SIZE];
struct apk_checksum identity;
EVP_MD_CTX mdctx;
EVP_MD_CTX *mdctx;
struct {
apk_blob_t data;

17
src/archive.c
View File

@ -28,6 +28,7 @@
#include "apk_defines.h"
#include "apk_print.h"
#include "apk_archive.h"
#include "apk_openssl.h"
struct tar_header {
/* ustar header, Posix 1003.1 */
@ -82,7 +83,7 @@ struct apk_tar_entry_istream {
struct apk_istream is;
struct apk_istream *tar_is;
size_t bytes_left;
EVP_MD_CTX mdctx;
EVP_MD_CTX *mdctx;
struct apk_checksum *csum;
time_t mtime;
};
@ -121,10 +122,10 @@ static ssize_t tar_entry_read(void *stream, void *ptr, size_t size)
if (teis->csum == NULL)
return r;
EVP_DigestUpdate(&teis->mdctx, ptr, r);
EVP_DigestUpdate(teis->mdctx, ptr, r);
if (teis->bytes_left == 0) {
teis->csum->type = EVP_MD_CTX_size(&teis->mdctx);
EVP_DigestFinal_ex(&teis->mdctx, teis->csum->data, NULL);
teis->csum->type = EVP_MD_CTX_size(teis->mdctx);
EVP_DigestFinal_ex(teis->mdctx, teis->csum->data, NULL);
}
return r;
}
@ -210,7 +211,9 @@ int apk_tar_parse(struct apk_istream *is, apk_archive_entry_parser parser,
char filename[sizeof buf.name + sizeof buf.prefix + 2];
odi = (struct apk_tar_digest_info *) &buf.linkname[3];
EVP_MD_CTX_init(&teis.mdctx);
teis.mdctx = EVP_MD_CTX_new();
if (!teis.mdctx) return -ENOMEM;
memset(&entry, 0, sizeof(entry));
entry.name = buf.name;
while ((r = apk_istream_read(is, &buf, 512)) == 512) {
@ -327,7 +330,7 @@ int apk_tar_parse(struct apk_istream *is, apk_archive_entry_parser parser,
if (entry.mode & S_IFMT) {
/* callback parser function */
if (teis.csum != NULL)
EVP_DigestInit_ex(&teis.mdctx,
EVP_DigestInit_ex(teis.mdctx,
apk_checksum_default(), NULL);
r = parser(ctx, &entry, &teis.is);
@ -360,7 +363,7 @@ err:
/* Check that there was no partial (or non-zero) record */
if (r >= 0) r = -EBADMSG;
ok:
EVP_MD_CTX_cleanup(&teis.mdctx);
EVP_MD_CTX_free(teis.mdctx);
free(pax.ptr);
free(longname.ptr);
apk_fileinfo_free(&entry);

19
src/database.c
View File

@ -35,6 +35,7 @@
#include "apk_applet.h"
#include "apk_archive.h"
#include "apk_print.h"
#include "apk_openssl.h"
static const apk_spn_match_def apk_spn_repo_separators = {
[4] = (1<<0) /* */,
@ -2363,18 +2364,22 @@ static struct apk_db_dir_instance *apk_db_install_directory_entry(struct install
static const char *format_tmpname(struct apk_package *pkg, struct apk_db_file *f, char tmpname[static TMPNAME_MAX])
{
EVP_MD_CTX mdctx;
EVP_MD_CTX *mdctx;
unsigned char md[EVP_MAX_MD_SIZE];
apk_blob_t b = APK_BLOB_PTR_LEN(tmpname, TMPNAME_MAX);
if (!f) return NULL;
EVP_DigestInit(&mdctx, EVP_sha256());
EVP_DigestUpdate(&mdctx, pkg->name->name, strlen(pkg->name->name) + 1);
EVP_DigestUpdate(&mdctx, f->diri->dir->name, f->diri->dir->namelen);
EVP_DigestUpdate(&mdctx, "/", 1);
EVP_DigestUpdate(&mdctx, f->name, f->namelen);
EVP_DigestFinal(&mdctx, md, NULL);
mdctx = EVP_MD_CTX_new();
if (!mdctx) return NULL;
EVP_DigestInit_ex(mdctx, EVP_sha256(), NULL);
EVP_DigestUpdate(mdctx, pkg->name->name, strlen(pkg->name->name) + 1);
EVP_DigestUpdate(mdctx, f->diri->dir->name, f->diri->dir->namelen);
EVP_DigestUpdate(mdctx, "/", 1);
EVP_DigestUpdate(mdctx, f->name, f->namelen);
EVP_DigestFinal_ex(mdctx, md, NULL);
EVP_MD_CTX_free(mdctx);
apk_blob_push_blob(&b, APK_BLOB_PTR_LEN(f->diri->dir->name, f->diri->dir->namelen));
apk_blob_push_blob(&b, APK_BLOB_STR("/.apk."));

45
src/io.c
View File

@ -28,6 +28,7 @@
#include "apk_defines.h"
#include "apk_io.h"
#include "apk_hash.h"
#include "apk_openssl.h"
#if defined(__GLIBC__) || defined(__UCLIBC__)
#define HAVE_FGETPWENT_R
@ -623,22 +624,25 @@ static void hash_len_data(EVP_MD_CTX *ctx, uint32_t len, const void *ptr)
void apk_fileinfo_hash_xattr_array(struct apk_xattr_array *xattrs, const EVP_MD *md, struct apk_checksum *csum)
{
struct apk_xattr *xattr;
EVP_MD_CTX mdctx;
EVP_MD_CTX *mdctx;
if (!xattrs || xattrs->num == 0) {
csum->type = APK_CHECKSUM_NONE;
return;
}
if (!xattrs || xattrs->num == 0) goto err;
mdctx = EVP_MD_CTX_new();
if (!mdctx) goto err;
qsort(xattrs->item, xattrs->num, sizeof(xattrs->item[0]), cmp_xattr);
EVP_DigestInit(&mdctx, md);
EVP_DigestInit_ex(mdctx, EVP_sha256(), NULL);
foreach_array_item(xattr, xattrs) {
hash_len_data(&mdctx, strlen(xattr->name), xattr->name);
hash_len_data(&mdctx, xattr->value.len, xattr->value.ptr);
hash_len_data(mdctx, strlen(xattr->name), xattr->name);
hash_len_data(mdctx, xattr->value.len, xattr->value.ptr);
}
csum->type = EVP_MD_CTX_size(&mdctx);
EVP_DigestFinal(&mdctx, csum->data, NULL);
csum->type = EVP_MD_CTX_size(mdctx);
EVP_DigestFinal_ex(mdctx, csum->data, NULL);
EVP_MD_CTX_free(mdctx);
return;
err:
csum->type = APK_CHECKSUM_NONE;
}
void apk_fileinfo_hash_xattr(struct apk_file_info *fi)
@ -723,17 +727,20 @@ int apk_fileinfo_get(int atfd, const char *filename, unsigned int flags,
} else {
bs = apk_bstream_from_file(atfd, filename);
if (!IS_ERR_OR_NULL(bs)) {
EVP_MD_CTX mdctx;
EVP_MD_CTX *mdctx;
apk_blob_t blob;
EVP_DigestInit(&mdctx, apk_checksum_evp(checksum));
if (bs->flags & APK_BSTREAM_SINGLE_READ)
EVP_MD_CTX_set_flags(&mdctx, EVP_MD_CTX_FLAG_ONESHOT);
while (!APK_BLOB_IS_NULL(blob = apk_bstream_read(bs, APK_BLOB_NULL)))
EVP_DigestUpdate(&mdctx, (void*) blob.ptr, blob.len);
fi->csum.type = EVP_MD_CTX_size(&mdctx);
EVP_DigestFinal(&mdctx, fi->csum.data, NULL);
mdctx = EVP_MD_CTX_new();
if (mdctx) {
EVP_DigestInit_ex(mdctx, apk_checksum_evp(checksum), NULL);
if (bs->flags & APK_BSTREAM_SINGLE_READ)
EVP_MD_CTX_set_flags(mdctx, EVP_MD_CTX_FLAG_ONESHOT);
while (!APK_BLOB_IS_NULL(blob = apk_bstream_read(bs, APK_BLOB_NULL)))
EVP_DigestUpdate(mdctx, (void*) blob.ptr, blob.len);
fi->csum.type = EVP_MD_CTX_size(mdctx);
EVP_DigestFinal_ex(mdctx, fi->csum.data, NULL);
EVP_MD_CTX_free(mdctx);
}
apk_bstream_close(bs, NULL);
}
}

37
src/package.c
View File

@ -21,6 +21,7 @@
#include <sys/wait.h>
#include <sys/stat.h>
#include "apk_openssl.h"
#include <openssl/pem.h>
#include "apk_defines.h"
@ -490,9 +491,9 @@ void apk_sign_ctx_init(struct apk_sign_ctx *ctx, int action,
ctx->data_started = 1;
break;
}
EVP_MD_CTX_init(&ctx->mdctx);
EVP_DigestInit_ex(&ctx->mdctx, ctx->md, NULL);
EVP_MD_CTX_set_flags(&ctx->mdctx, EVP_MD_CTX_FLAG_ONESHOT);
ctx->mdctx = EVP_MD_CTX_new();
EVP_DigestInit_ex(ctx->mdctx, ctx->md, NULL);
EVP_MD_CTX_set_flags(ctx->mdctx, EVP_MD_CTX_FLAG_ONESHOT);
}
void apk_sign_ctx_free(struct apk_sign_ctx *ctx)
@ -501,7 +502,7 @@ void apk_sign_ctx_free(struct apk_sign_ctx *ctx)
free(ctx->signature.data.ptr);
if (ctx->signature.pkey != NULL)
EVP_PKEY_free(ctx->signature.pkey);
EVP_MD_CTX_cleanup(&ctx->mdctx);
EVP_MD_CTX_free(ctx->mdctx);
}
static int check_signing_key_trust(struct apk_sign_ctx *sctx)
@ -674,16 +675,16 @@ int apk_sign_ctx_mpart_cb(void *ctx, int part, apk_blob_t data)
/* Drool in the remaining of the digest block now, we will finish
* it on all cases */
EVP_DigestUpdate(&sctx->mdctx, data.ptr, data.len);
EVP_DigestUpdate(sctx->mdctx, data.ptr, data.len);
/* End of control-block and checking control hash/signature or
* end of data-block and checking its hash/signature */
if (sctx->has_data_checksum && !end_of_control) {
/* End of control-block and check it's hash */
EVP_DigestFinal_ex(&sctx->mdctx, calculated, NULL);
if (EVP_MD_CTX_size(&sctx->mdctx) == 0 ||
EVP_DigestFinal_ex(sctx->mdctx, calculated, NULL);
if (EVP_MD_CTX_size(sctx->mdctx) == 0 ||
memcmp(calculated, sctx->data_checksum,
EVP_MD_CTX_size(&sctx->mdctx)) != 0)
EVP_MD_CTX_size(sctx->mdctx)) != 0)
return -EKEYREJECTED;
sctx->data_verified = 1;
if (!(apk_flags & APK_ALLOW_UNTRUSTED) &&
@ -700,7 +701,7 @@ int apk_sign_ctx_mpart_cb(void *ctx, int part, apk_blob_t data)
case APK_SIGN_VERIFY:
case APK_SIGN_VERIFY_AND_GENERATE:
if (sctx->signature.pkey != NULL) {
r = EVP_VerifyFinal(&sctx->mdctx,
r = EVP_VerifyFinal(sctx->mdctx,
(unsigned char *) sctx->signature.data.ptr,
sctx->signature.data.len,
sctx->signature.pkey);
@ -717,13 +718,13 @@ int apk_sign_ctx_mpart_cb(void *ctx, int part, apk_blob_t data)
sctx->data_verified = 1;
}
if (sctx->action == APK_SIGN_VERIFY_AND_GENERATE) {
sctx->identity.type = EVP_MD_CTX_size(&sctx->mdctx);
EVP_DigestFinal_ex(&sctx->mdctx, sctx->identity.data, NULL);
sctx->identity.type = EVP_MD_CTX_size(sctx->mdctx);
EVP_DigestFinal_ex(sctx->mdctx, sctx->identity.data, NULL);
}
break;
case APK_SIGN_VERIFY_IDENTITY:
/* Reset digest for hashing data */
EVP_DigestFinal_ex(&sctx->mdctx, calculated, NULL);
EVP_DigestFinal_ex(sctx->mdctx, calculated, NULL);
if (memcmp(calculated, sctx->identity.data,
sctx->identity.type) != 0)
return -EKEYREJECTED;
@ -733,21 +734,21 @@ int apk_sign_ctx_mpart_cb(void *ctx, int part, apk_blob_t data)
break;
case APK_SIGN_GENERATE:
/* Package identity is the checksum */
sctx->identity.type = EVP_MD_CTX_size(&sctx->mdctx);
EVP_DigestFinal_ex(&sctx->mdctx, sctx->identity.data, NULL);
sctx->identity.type = EVP_MD_CTX_size(sctx->mdctx);
EVP_DigestFinal_ex(sctx->mdctx, sctx->identity.data, NULL);
if (sctx->action == APK_SIGN_GENERATE &&
sctx->has_data_checksum)
return -ECANCELED;
break;
}
reset_digest:
EVP_DigestInit_ex(&sctx->mdctx, sctx->md, NULL);
EVP_MD_CTX_set_flags(&sctx->mdctx, EVP_MD_CTX_FLAG_ONESHOT);
EVP_DigestInit_ex(sctx->mdctx, sctx->md, NULL);
EVP_MD_CTX_set_flags(sctx->mdctx, EVP_MD_CTX_FLAG_ONESHOT);
return 0;
update_digest:
EVP_MD_CTX_clear_flags(&sctx->mdctx, EVP_MD_CTX_FLAG_ONESHOT);
EVP_DigestUpdate(&sctx->mdctx, data.ptr, data.len);
EVP_MD_CTX_clear_flags(sctx->mdctx, EVP_MD_CTX_FLAG_ONESHOT);
EVP_DigestUpdate(sctx->mdctx, data.ptr, data.len);
return 0;
}