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Upgrade libssh2 to 1.11.0

This commit is contained in:
dmiller
2024-02-28 17:39:06 +00:00
parent f64e2fab07
commit 1fc984bc73
114 changed files with 24809 additions and 19351 deletions

View File

@@ -36,12 +36,9 @@
* OF SUCH DAMAGE.
*/
#include "libssh2_priv.h"
#ifdef LIBSSH2_LIBGCRYPT /* compile only if we build with libgcrypt */
#include <string.h>
#ifdef LIBSSH2_CRYPTO_C /* Compile this via crypto.c */
#if LIBSSH2_RSA
int
_libssh2_rsa_new(libssh2_rsa_ctx ** rsa,
const unsigned char *edata,
@@ -61,17 +58,17 @@ _libssh2_rsa_new(libssh2_rsa_ctx ** rsa,
const unsigned char *coeffdata, unsigned long coefflen)
{
int rc;
(void) e1data;
(void) e1len;
(void) e2data;
(void) e2len;
(void)e1data;
(void)e1len;
(void)e2data;
(void)e2len;
if(ddata) {
rc = gcry_sexp_build
(rsa, NULL,
"(private-key(rsa(n%b)(e%b)(d%b)(q%b)(p%b)(u%b)))",
nlen, ndata, elen, edata, dlen, ddata, plen, pdata,
qlen, qdata, coefflen, coeffdata);
rc = gcry_sexp_build(rsa, NULL,
"(private-key(rsa(n%b)(e%b)(d%b)(q%b)(p%b)(u%b)))",
nlen, ndata, elen, edata, dlen, ddata, plen, pdata,
qlen, qdata, coefflen, coeffdata);
}
else {
rc = gcry_sexp_build(rsa, NULL, "(public-key(rsa(n%b)(e%b)))",
@@ -85,11 +82,12 @@ _libssh2_rsa_new(libssh2_rsa_ctx ** rsa,
return 0;
}
#if LIBSSH2_RSA_SHA1
int
_libssh2_rsa_sha1_verify(libssh2_rsa_ctx * rsa,
const unsigned char *sig,
unsigned long sig_len,
const unsigned char *m, unsigned long m_len)
size_t sig_len,
const unsigned char *m, size_t m_len)
{
unsigned char hash[SHA_DIGEST_LENGTH];
gcry_sexp_t s_sig, s_hash;
@@ -100,12 +98,12 @@ _libssh2_rsa_sha1_verify(libssh2_rsa_ctx * rsa,
rc = gcry_sexp_build(&s_hash, NULL,
"(data (flags pkcs1) (hash sha1 %b))",
SHA_DIGEST_LENGTH, hash);
if(rc != 0) {
if(rc) {
return -1;
}
rc = gcry_sexp_build(&s_sig, NULL, "(sig-val(rsa(s %b)))", sig_len, sig);
if(rc != 0) {
if(rc) {
gcry_sexp_release(s_hash);
return -1;
}
@@ -116,7 +114,10 @@ _libssh2_rsa_sha1_verify(libssh2_rsa_ctx * rsa,
return (rc == 0) ? 0 : -1;
}
#endif
#endif
#if LIBSSH2_DSA
int
_libssh2_dsa_new(libssh2_dsa_ctx ** dsactx,
const unsigned char *p,
@@ -132,10 +133,9 @@ _libssh2_dsa_new(libssh2_dsa_ctx ** dsactx,
int rc;
if(x_len) {
rc = gcry_sexp_build
(dsactx, NULL,
"(private-key(dsa(p%b)(q%b)(g%b)(y%b)(x%b)))",
p_len, p, q_len, q, g_len, g, y_len, y, x_len, x);
rc = gcry_sexp_build(dsactx, NULL,
"(private-key(dsa(p%b)(q%b)(g%b)(y%b)(x%b)))",
p_len, p, q_len, q, g_len, g, y_len, y, x_len, x);
}
else {
rc = gcry_sexp_build(dsactx, NULL,
@@ -150,16 +150,23 @@ _libssh2_dsa_new(libssh2_dsa_ctx ** dsactx,
return 0;
}
#endif
#if LIBSSH2_RSA
int
_libssh2_rsa_new_private_frommemory(libssh2_rsa_ctx ** rsa,
LIBSSH2_SESSION * session,
const char *filedata, size_t filedata_len,
unsigned const char *passphrase)
{
(void)rsa;
(void)filedata;
(void)filedata_len;
(void)passphrase;
return _libssh2_error(session, LIBSSH2_ERROR_METHOD_NOT_SUPPORTED,
"Unable to extract private key from memory: "
"Method unimplemented in libgcrypt backend");
"Unable to extract private key from memory: "
"Method unimplemented in libgcrypt backend");
}
int
@@ -169,7 +176,7 @@ _libssh2_rsa_new_private(libssh2_rsa_ctx ** rsa,
{
FILE *fp;
unsigned char *data, *save_data;
unsigned int datalen;
size_t datalen;
int ret;
unsigned char *n, *e, *d, *p, *q, *e1, *e2, *coeff;
unsigned int nlen, elen, dlen, plen, qlen, e1len, e2len, coefflen;
@@ -195,83 +202,91 @@ _libssh2_rsa_new_private(libssh2_rsa_ctx ** rsa,
ret = -1;
goto fail;
}
/* First read Version field (should be 0). */
/* First read Version field (should be 0). */
ret = _libssh2_pem_decode_integer(&data, &datalen, &n, &nlen);
if(ret != 0 || (nlen != 1 && *n != '\0')) {
if(ret || (nlen != 1 && *n != '\0')) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &n, &nlen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &e, &elen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &d, &dlen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &p, &plen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &q, &qlen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &e1, &e1len);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &e2, &e2len);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &coeff, &coefflen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
if(_libssh2_rsa_new(rsa, e, elen, n, nlen, d, dlen, p, plen,
q, qlen, e1, e1len, e2, e2len, coeff, coefflen)) {
q, qlen, e1, e1len, e2, e2len, coeff, coefflen)) {
ret = -1;
goto fail;
}
ret = 0;
fail:
fail:
LIBSSH2_FREE(session, save_data);
return ret;
}
#endif
#if LIBSSH2_DSA
int
_libssh2_dsa_new_private_frommemory(libssh2_dsa_ctx ** dsa,
LIBSSH2_SESSION * session,
const char *filedata, size_t filedata_len,
unsigned const char *passphrase)
{
(void)dsa;
(void)filedata;
(void)filedata_len;
(void)passphrase;
return _libssh2_error(session, LIBSSH2_ERROR_METHOD_NOT_SUPPORTED,
"Unable to extract private key from memory: "
"Method unimplemented in libgcrypt backend");
"Unable to extract private key from memory: "
"Method unimplemented in libgcrypt backend");
}
int
@@ -281,7 +296,7 @@ _libssh2_dsa_new_private(libssh2_dsa_ctx ** dsa,
{
FILE *fp;
unsigned char *data, *save_data;
unsigned int datalen;
size_t datalen;
int ret;
unsigned char *p, *q, *g, *y, *x;
unsigned int plen, qlen, glen, ylen, xlen;
@@ -308,44 +323,44 @@ _libssh2_dsa_new_private(libssh2_dsa_ctx ** dsa,
goto fail;
}
/* First read Version field (should be 0). */
/* First read Version field (should be 0). */
ret = _libssh2_pem_decode_integer(&data, &datalen, &p, &plen);
if(ret != 0 || (plen != 1 && *p != '\0')) {
if(ret || (plen != 1 && *p != '\0')) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &p, &plen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &q, &qlen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &g, &glen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &y, &ylen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &x, &xlen);
if(ret != 0) {
if(ret) {
ret = -1;
goto fail;
}
if(datalen != 0) {
if(datalen) {
ret = -1;
goto fail;
}
@@ -357,11 +372,14 @@ _libssh2_dsa_new_private(libssh2_dsa_ctx ** dsa,
ret = 0;
fail:
fail:
LIBSSH2_FREE(session, save_data);
return ret;
}
#endif
#if LIBSSH2_RSA
#if LIBSSH2_RSA_SHA1
int
_libssh2_rsa_sha1_sign(LIBSSH2_SESSION * session,
libssh2_rsa_ctx * rsactx,
@@ -380,8 +398,8 @@ _libssh2_rsa_sha1_sign(LIBSSH2_SESSION * session,
}
if(gcry_sexp_build(&data, NULL,
"(data (flags pkcs1) (hash sha1 %b))",
hash_len, hash)) {
"(data (flags pkcs1) (hash sha1 %b))",
hash_len, hash)) {
return -1;
}
@@ -389,7 +407,7 @@ _libssh2_rsa_sha1_sign(LIBSSH2_SESSION * session,
gcry_sexp_release(data);
if(rc != 0) {
if(rc) {
return -1;
}
@@ -421,7 +439,10 @@ _libssh2_rsa_sha1_sign(LIBSSH2_SESSION * session,
return rc;
}
#endif
#endif
#if LIBSSH2_DSA
int
_libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx,
const unsigned char *hash,
@@ -450,13 +471,13 @@ _libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx,
gcry_sexp_release(data);
if(ret != 0) {
if(ret) {
return -1;
}
memset(sig, 0, 40);
/* Extract R. */
/* Extract R. */
data = gcry_sexp_find_token(sig_sexp, "r", 0);
if(!data)
@@ -478,7 +499,7 @@ _libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx,
gcry_sexp_release(data);
/* Extract S. */
/* Extract S. */
data = gcry_sexp_find_token(sig_sexp, "s", 0);
if(!data)
@@ -499,10 +520,10 @@ _libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx,
memcpy(sig + 20 + (20 - size), tmp, size);
goto out;
err:
err:
ret = -1;
out:
out:
if(sig_sexp) {
gcry_sexp_release(sig_sexp);
}
@@ -515,7 +536,7 @@ _libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx,
int
_libssh2_dsa_sha1_verify(libssh2_dsa_ctx * dsactx,
const unsigned char *sig,
const unsigned char *m, unsigned long m_len)
const unsigned char *m, size_t m_len)
{
unsigned char hash[SHA_DIGEST_LENGTH + 1];
gcry_sexp_t s_sig, s_hash;
@@ -525,12 +546,12 @@ _libssh2_dsa_sha1_verify(libssh2_dsa_ctx * dsactx,
hash[0] = 0;
if(gcry_sexp_build(&s_hash, NULL, "(data(flags raw)(value %b))",
SHA_DIGEST_LENGTH + 1, hash)) {
SHA_DIGEST_LENGTH + 1, hash)) {
return -1;
}
if(gcry_sexp_build(&s_sig, NULL, "(sig-val(dsa(r %b)(s %b)))",
20, sig, 20, sig + 20)) {
20, sig, 20, sig + 20)) {
gcry_sexp_release(s_hash);
return -1;
}
@@ -541,6 +562,7 @@ _libssh2_dsa_sha1_verify(libssh2_dsa_ctx * dsactx,
return (rc == 0) ? 0 : -1;
}
#endif
int
_libssh2_cipher_init(_libssh2_cipher_ctx * h,
@@ -550,9 +572,9 @@ _libssh2_cipher_init(_libssh2_cipher_ctx * h,
int ret;
int cipher = _libssh2_gcry_cipher(algo);
int mode = _libssh2_gcry_mode(algo);
int keylen = gcry_cipher_get_algo_keylen(cipher);
size_t keylen = gcry_cipher_get_algo_keylen(cipher);
(void) encrypt;
(void)encrypt;
ret = gcry_cipher_open(h, cipher, mode, 0);
if(ret) {
@@ -566,7 +588,7 @@ _libssh2_cipher_init(_libssh2_cipher_ctx * h,
}
if(mode != GCRY_CIPHER_MODE_STREAM) {
int blklen = gcry_cipher_get_algo_blklen(cipher);
size_t blklen = gcry_cipher_get_algo_blklen(cipher);
if(mode == GCRY_CIPHER_MODE_CTR)
ret = gcry_cipher_setctr(*h, iv, blklen);
else
@@ -583,11 +605,14 @@ _libssh2_cipher_init(_libssh2_cipher_ctx * h,
int
_libssh2_cipher_crypt(_libssh2_cipher_ctx * ctx,
_libssh2_cipher_type(algo),
int encrypt, unsigned char *block, size_t blklen)
int encrypt, unsigned char *block, size_t blklen,
int firstlast)
{
int cipher = _libssh2_gcry_cipher(algo);
int ret;
(void)algo;
(void)firstlast;
if(encrypt) {
ret = gcry_cipher_encrypt(*ctx, block, blklen, block, blklen);
}
@@ -607,6 +632,14 @@ _libssh2_pub_priv_keyfilememory(LIBSSH2_SESSION *session,
size_t privatekeydata_len,
const char *passphrase)
{
(void)method;
(void)method_len;
(void)pubkeydata;
(void)pubkeydata_len;
(void)privatekeydata;
(void)privatekeydata_len;
(void)passphrase;
return _libssh2_error(session, LIBSSH2_ERROR_METHOD_NOT_SUPPORTED,
"Unable to extract public key from private "
"key in memory: "
@@ -622,9 +655,49 @@ _libssh2_pub_priv_keyfile(LIBSSH2_SESSION *session,
const char *privatekey,
const char *passphrase)
{
(void)method;
(void)method_len;
(void)pubkeydata;
(void)pubkeydata_len;
(void)privatekey;
(void)passphrase;
return _libssh2_error(session, LIBSSH2_ERROR_FILE,
"Unable to extract public key from private key file: "
"Method unimplemented in libgcrypt backend");
"Unable to extract public key from private key file: "
"Method unimplemented in libgcrypt backend");
}
int
_libssh2_sk_pub_keyfilememory(LIBSSH2_SESSION *session,
unsigned char **method,
size_t *method_len,
unsigned char **pubkeydata,
size_t *pubkeydata_len,
int *algorithm,
unsigned char *flags,
const char **application,
const unsigned char **key_handle,
size_t *handle_len,
const char *privatekeydata,
size_t privatekeydata_len,
const char *passphrase)
{
(void)method;
(void)method_len;
(void)pubkeydata;
(void)pubkeydata_len;
(void)algorithm;
(void)flags;
(void)application;
(void)key_handle;
(void)handle_len;
(void)privatekeydata;
(void)privatekeydata_len;
(void)passphrase;
return _libssh2_error(session, LIBSSH2_ERROR_FILE,
"Unable to extract public SK key from private key file: "
"Method unimplemented in libgcrypt backend");
}
void _libssh2_init_aes_ctr(void)
@@ -664,4 +737,22 @@ _libssh2_dh_dtor(_libssh2_dh_ctx *dhctx)
*dhctx = NULL;
}
#endif /* LIBSSH2_LIBGCRYPT */
/* _libssh2_supported_key_sign_algorithms
*
* Return supported key hash algo upgrades, see crypto.h
*
*/
const char *
_libssh2_supported_key_sign_algorithms(LIBSSH2_SESSION *session,
unsigned char *key_method,
size_t key_method_len)
{
(void)session;
(void)key_method;
(void)key_method_len;
return NULL;
}
#endif /* LIBSSH2_CRYPTO_C */