adulau/ssldump
1
0
Fork 0
mirror of https://github.com/adulau/ssldump.git synced 2024-12-22 16:05:58 +00:00
Code Issues Projects Releases Packages Wiki Activity

Apply Replace-direct-struct-access-patterns-with-OpenSSL-1.1-ge.patch from Debian pkg

Browse source
This commit is contained in:
William Robinet 2020-08-28 11:28:49 +02:00
parent 8079befe49
commit 54088cd561
2 changed files with 55 additions and 51 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
ssl/ssl_rec.c
View file

@ -149,7 +149,7 @@ int ssl_create_rec_decoder(dp,cs,mk,sk,iv)
else
memcpy(dec->mac_key->data,mk,cs->dig_len);
if(!(dec->evp=(EVP_CIPHER_CTX *)malloc(sizeof(EVP_CIPHER_CTX))))
if(!(dec->evp=EVP_CIPHER_CTX_new()))
ABORT(R_NO_MEMORY);
EVP_CIPHER_CTX_init(dec->evp);
EVP_CipherInit(dec->evp,ciph,sk,iv,0);
@ -178,8 +178,7 @@ int ssl_destroy_rec_decoder(dp)
r_data_destroy(&d->write_key);
#ifdef OPENSSL
if(d->evp){
EVP_CIPHER_CTX_cleanup(d->evp);
free(d->evp);
EVP_CIPHER_CTX_free(d->evp);
}
free(*dp);
#endif
@ -357,41 +356,43 @@ static int tls_check_mac(d,ct,ver,data,datalen,iv,ivlen,mac)
UINT4 ivlen;
UCHAR *mac;
{
HMAC_CTX hm;
HMAC_CTX *hm = HMAC_CTX_new();
if(!hm)
ERETURN(R_NO_MEMORY);
const EVP_MD *md;
UINT4 l;
UCHAR buf[128];
md=EVP_get_digestbyname(digests[d->cs->dig-0x40]);
HMAC_Init(&hm,d->mac_key->data,d->mac_key->len,md);
HMAC_Init(hm,d->mac_key->data,d->mac_key->len,md);
fmt_seq(d->seq,buf);
d->seq++;
HMAC_Update(&hm,buf,8);
HMAC_Update(hm,buf,8);
buf[0]=ct;
HMAC_Update(&hm,buf,1);
HMAC_Update(hm,buf,1);
buf[0]=MSB(ver);
buf[1]=LSB(ver);
HMAC_Update(&hm,buf,2);
HMAC_Update(hm,buf,2);
buf[0]=MSB(datalen);
buf[1]=LSB(datalen);
HMAC_Update(&hm,buf,2);
HMAC_Update(hm,buf,2);
/* for encrypt-then-mac with an explicit IV */
if(ivlen && iv){
HMAC_Update(&hm,iv,ivlen);
HMAC_Update(&hm,data,datalen-ivlen);
HMAC_Update(hm,iv,ivlen);
HMAC_Update(hm,data,datalen-ivlen);
}
else
HMAC_Update(&hm,data,datalen);
HMAC_Update(hm,data,datalen);
HMAC_Final(&hm,buf,&l);
HMAC_Final(hm,buf,&l);
if(memcmp(mac,buf,l))
ERETURN(SSL_BAD_MAC);
HMAC_cleanup(&hm);
HMAC_CTX_free(hm);
return(0);
}
@ -403,7 +404,7 @@ int ssl3_check_mac(d,ct,ver,data,datalen,mac)
UINT4 datalen;
UCHAR *mac;
{
EVP_MD_CTX mc;
EVP_MD_CTX *mc = EVP_MD_CTX_new();
const EVP_MD *md;
UINT4 l;
UCHAR buf[64],dgst[20];
@ -412,42 +413,44 @@ int ssl3_check_mac(d,ct,ver,data,datalen,mac)
pad_ct=(d->cs->dig==DIG_SHA)?40:48;
md=EVP_get_digestbyname(digests[d->cs->dig-0x40]);
EVP_DigestInit(&mc,md);
EVP_DigestInit(mc,md);
EVP_DigestUpdate(&mc,d->mac_key->data,d->mac_key->len);
EVP_DigestUpdate(mc,d->mac_key->data,d->mac_key->len);
memset(buf,0x36,pad_ct);
EVP_DigestUpdate(&mc,buf,pad_ct);
EVP_DigestUpdate(mc,buf,pad_ct);
fmt_seq(d->seq,buf);
d->seq++;
EVP_DigestUpdate(&mc,buf,8);
EVP_DigestUpdate(mc,buf,8);
buf[0]=ct;
EVP_DigestUpdate(&mc,buf,1);
EVP_DigestUpdate(mc,buf,1);
buf[0]=MSB(datalen);
buf[1]=LSB(datalen);
EVP_DigestUpdate(&mc,buf,2);
EVP_DigestUpdate(mc,buf,2);
EVP_DigestUpdate(&mc,data,datalen);
EVP_DigestUpdate(mc,data,datalen);
EVP_DigestFinal(&mc,dgst,&l);
EVP_DigestFinal(mc,dgst,&l);
EVP_DigestInit(&mc,md);
EVP_DigestInit(mc,md);
EVP_DigestUpdate(&mc,d->mac_key->data,d->mac_key->len);
EVP_DigestUpdate(mc,d->mac_key->data,d->mac_key->len);
memset(buf,0x5c,pad_ct);
EVP_DigestUpdate(&mc,buf,pad_ct);
EVP_DigestUpdate(mc,buf,pad_ct);
EVP_DigestUpdate(&mc,dgst,l);
EVP_DigestUpdate(mc,dgst,l);
EVP_DigestFinal(&mc,dgst,&l);
EVP_DigestFinal(mc,dgst,&l);
if(memcmp(mac,dgst,l))
ERETURN(SSL_BAD_MAC);
EVP_MD_CTX_free(mc);
return(0);
}

47
ssl/ssldecode.c
View file

@ -591,6 +591,7 @@ int ssl_process_client_key_exchange(ssl,d,msg,len)
int r,_status;
int i;
EVP_PKEY *pk;
const BIGNUM *n;
/* Remove the master secret if it was there
to force keying material regeneration in
@ -610,14 +611,15 @@ int ssl_process_client_key_exchange(ssl,d,msg,len)
if(!pk)
return(-1);
if(pk->type!=EVP_PKEY_RSA)
if(EVP_PKEY_id(pk)!=EVP_PKEY_RSA)
return(-1);
if(r=r_data_alloc(&d->PMS,BN_num_bytes(pk->pkey.rsa->n)))
RSA_get0_key(EVP_PKEY_get0_RSA(pk), &n, NULL, NULL);
if(r=r_data_alloc(&d->PMS,BN_num_bytes(n)))
ABORT(r);
i=RSA_private_decrypt(len,msg,d->PMS->data,
pk->pkey.rsa,RSA_PKCS1_PADDING);
EVP_PKEY_get0_RSA(pk),RSA_PKCS1_PADDING);
if(i!=48)
ABORT(SSL_BAD_PMS);
@ -668,7 +670,7 @@ static int tls_P_hash(ssl,secret,seed,md,out)
UCHAR *A;
UCHAR _A[128],tmp[128];
unsigned int A_l,tmp_l;
HMAC_CTX hm;
HMAC_CTX *hm = HMAC_CTX_new();
CRDUMPD("P_hash secret",secret);
CRDUMPD("P_hash seed",seed);
@ -677,17 +679,15 @@ static int tls_P_hash(ssl,secret,seed,md,out)
A_l=seed->len;
while(left){
HMAC_Init(&hm,secret->data,secret->len,md);
HMAC_Update(&hm,A,A_l);
HMAC_Final(&hm,_A,&A_l);
HMAC_cleanup(&hm);
HMAC_Init(hm,secret->data,secret->len,md);
HMAC_Update(hm,A,A_l);
HMAC_Final(hm,_A,&A_l);
A=_A;
HMAC_Init(&hm,secret->data,secret->len,md);
HMAC_Update(&hm,A,A_l);
HMAC_Update(&hm,seed->data,seed->len);
HMAC_Final(&hm,tmp,&tmp_l);
HMAC_cleanup(&hm);
HMAC_Init(hm,secret->data,secret->len,md);
HMAC_Update(hm,A,A_l);
HMAC_Update(hm,seed->data,seed->len);
HMAC_Final(hm,tmp,&tmp_l);
tocpy=MIN(left,tmp_l);
memcpy(ptr,tmp,tocpy);
@ -695,6 +695,7 @@ static int tls_P_hash(ssl,secret,seed,md,out)
left-=tocpy;
}
HMAC_CTX_free(hm);
CRDUMPD("P_hash out",out);
return (0);
@ -1070,7 +1071,7 @@ static int ssl_generate_session_hash(ssl,d)
int r,_status,dgi;
unsigned int len;
const EVP_MD *md;
EVP_MD_CTX dgictx;
HMAC_CTX *dgictx = HMAC_CTX_new();
if(r=r_data_alloc(&d->session_hash,EVP_MAX_MD_SIZE))
ABORT(r);
@ -1084,21 +1085,21 @@ static int ssl_generate_session_hash(ssl,d)
ERETURN(SSL_BAD_MAC);
}
EVP_DigestInit(&dgictx,md);
EVP_DigestUpdate(&dgictx,d->handshake_messages->data,d->handshake_messages->len);
EVP_DigestFinal(&dgictx,d->session_hash->data,&d->session_hash->len);
EVP_DigestInit(dgictx,md);
EVP_DigestUpdate(dgictx,d->handshake_messages->data,d->handshake_messages->len);
EVP_DigestFinal(dgictx,d->session_hash->data,&d->session_hash->len);
break;
case SSLV3_VERSION:
case TLSV1_VERSION:
case TLSV11_VERSION:
EVP_DigestInit(&dgictx,EVP_get_digestbyname("MD5"));
EVP_DigestUpdate(&dgictx,d->handshake_messages->data,d->handshake_messages->len);
EVP_DigestFinal_ex(&dgictx,d->session_hash->data,&d->session_hash->len);
EVP_DigestInit(dgictx,EVP_get_digestbyname("MD5"));
EVP_DigestUpdate(dgictx,d->handshake_messages->data,d->handshake_messages->len);
EVP_DigestFinal_ex(dgictx,d->session_hash->data,&d->session_hash->len);
EVP_DigestInit(&dgictx,EVP_get_digestbyname("SHA1"));
EVP_DigestUpdate(&dgictx,d->handshake_messages->data,d->handshake_messages->len);
EVP_DigestFinal(&dgictx,d->session_hash->data+d->session_hash->len,&len);
EVP_DigestInit(dgictx,EVP_get_digestbyname("SHA1"));
EVP_DigestUpdate(dgictx,d->handshake_messages->data,d->handshake_messages->len);
EVP_DigestFinal(dgictx,d->session_hash->data+d->session_hash->len,&len);
d->session_hash->len+=len;
break;