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Resolve conflicts.

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This commit is contained in:
Jacques Vidrine 2002-08-10 01:50:50 +00:00
parent 47e862627e
commit fd35706acb
4 changed files with 100 additions and 34 deletions
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41
crypto/openssl/ssl/s2_clnt.c
View File

@ -519,7 +519,12 @@ static int get_server_hello(SSL *s)
}
s->s2->conn_id_length=s->s2->tmp.conn_id_length;
die(s->s2->conn_id_length <= sizeof s->s2->conn_id);
if (s->s2->conn_id_length > sizeof s->s2->conn_id)
{
ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_SERVER_HELLO, SSL_R_SSL2_CONNECTION_ID_TOO_LONG);
return -1;
}
memcpy(s->s2->conn_id,p,s->s2->tmp.conn_id_length);
return(1);
}
@ -621,7 +626,12 @@ static int client_master_key(SSL *s)
/* make key_arg data */
i=EVP_CIPHER_iv_length(c);
sess->key_arg_length=i;
die(i <= SSL_MAX_KEY_ARG_LENGTH);
if (i > SSL_MAX_KEY_ARG_LENGTH)
{
ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_CLIENT_MASTER_KEY, SSL_R_INTERNAL_ERROR);
return -1;
}
if (i > 0) RAND_pseudo_bytes(sess->key_arg,i);
/* make a master key */
@ -629,7 +639,12 @@ static int client_master_key(SSL *s)
sess->master_key_length=i;
if (i > 0)
{
die(i <= sizeof sess->master_key);
if (i > sizeof sess->master_key)
{
ssl2_return_error(s, SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_CLIENT_MASTER_KEY, SSL_R_INTERNAL_ERROR);
return -1;
}
if (RAND_bytes(sess->master_key,i) <= 0)
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
@ -673,7 +688,12 @@ static int client_master_key(SSL *s)
d+=enc;
karg=sess->key_arg_length;
s2n(karg,p); /* key arg size */
die(karg <= sizeof sess->key_arg);
if (karg > sizeof sess->key_arg)
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_CLIENT_MASTER_KEY, SSL_R_INTERNAL_ERROR);
return -1;
}
memcpy(d,sess->key_arg,(unsigned int)karg);
d+=karg;
@ -694,7 +714,11 @@ static int client_finished(SSL *s)
{
p=(unsigned char *)s->init_buf->data;
*(p++)=SSL2_MT_CLIENT_FINISHED;
die(s->s2->conn_id_length <= sizeof s->s2->conn_id);
if (s->s2->conn_id_length > sizeof s->s2->conn_id)
{
SSLerr(SSL_F_CLIENT_FINISHED, SSL_R_INTERNAL_ERROR);
return -1;
}
memcpy(p,s->s2->conn_id,(unsigned int)s->s2->conn_id_length);
s->state=SSL2_ST_SEND_CLIENT_FINISHED_B;
@ -951,10 +975,9 @@ static int get_server_finished(SSL *s)
{
if (!(s->options & SSL_OP_MICROSOFT_SESS_ID_BUG))
{
die(s->session->session_id_length
<= sizeof s->session->session_id);
if (memcmp(buf,s->session->session_id,
(unsigned int)s->session->session_id_length) != 0)
if ((s->session->session_id_length > sizeof s->session->session_id)
|| (0 != memcmp(buf, s->session->session_id,
(unsigned int)s->session->session_id_length)))
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_SERVER_FINISHED,SSL_R_SSL_SESSION_ID_IS_DIFFERENT);

3
crypto/openssl/ssl/s2_enc.c
View File

@ -98,7 +98,8 @@ int ssl2_enc_init(SSL *s, int client)
num=c->key_len;
s->s2->key_material_length=num*2;
ssl2_generate_key_material(s);
if (ssl2_generate_key_material(s) <= 0)
return 0;
EVP_EncryptInit(ws,c,&(s->s2->key_material[(client)?num:0]),
s->session->key_arg);

32
crypto/openssl/ssl/s2_lib.c
View File

@ -417,7 +417,7 @@ int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
return(3);
}
void ssl2_generate_key_material(SSL *s)
int ssl2_generate_key_material(SSL *s)
{
unsigned int i;
MD5_CTX ctx;
@ -430,14 +430,24 @@ void ssl2_generate_key_material(SSL *s)
#endif
km=s->s2->key_material;
die(s->s2->key_material_length <= sizeof s->s2->key_material);
if (s->session->master_key_length < 0 || s->session->master_key_length > sizeof s->session->master_key)
{
SSLerr(SSL_F_SSL2_GENERATE_KEY_MATERIAL, SSL_R_INTERNAL_ERROR);
return 0;
}
for (i=0; i<s->s2->key_material_length; i+=MD5_DIGEST_LENGTH)
{
if (((km - s->s2->key_material) + MD5_DIGEST_LENGTH) > sizeof s->s2->key_material)
{
/* MD5_Final() below would write beyond buffer */
SSLerr(SSL_F_SSL2_GENERATE_KEY_MATERIAL, SSL_R_INTERNAL_ERROR);
return 0;
}
MD5_Init(&ctx);
die(s->session->master_key_length >= 0
&& s->session->master_key_length
< sizeof s->session->master_key);
MD5_Update(&ctx,s->session->master_key,s->session->master_key_length);
MD5_Update(&ctx,&c,1);
c++;
@ -446,6 +456,8 @@ void ssl2_generate_key_material(SSL *s)
MD5_Final(km,&ctx);
km+=MD5_DIGEST_LENGTH;
}
return 1;
}
void ssl2_return_error(SSL *s, int err)
@ -470,18 +482,20 @@ void ssl2_write_error(SSL *s)
buf[2]=(s->error_code)&0xff;
/* state=s->rwstate;*/
error=s->error;
error=s->error; /* number of bytes left to write */
s->error=0;
die(error >= 0 && error <= 3);
if (error < 0 || error > sizeof buf) /* can't happen */
return;
i=ssl2_write(s,&(buf[3-error]),error);
/* if (i == error) s->rwstate=state; */
if (i < 0)
s->error=error;
else if (i != s->error)
s->error=error-i;
/* else
s->error=0; */
}
int ssl2_shutdown(SSL *s)

58
crypto/openssl/ssl/s2_srvr.c
View File

@ -400,8 +400,7 @@ static int get_client_master_key(SSL *s)
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,SSL_R_READ_WRONG_PACKET_TYPE);
}
else
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,
SSL_R_PEER_ERROR);
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_PEER_ERROR);
return(-1);
}
@ -409,8 +408,7 @@ static int get_client_master_key(SSL *s)
if (cp == NULL)
{
ssl2_return_error(s,SSL2_PE_NO_CIPHER);
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,
SSL_R_NO_CIPHER_MATCH);
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_NO_CIPHER_MATCH);
return(-1);
}
s->session->cipher= cp;
@ -421,8 +419,8 @@ static int get_client_master_key(SSL *s)
n2s(p,i); s->session->key_arg_length=i;
if(s->session->key_arg_length > SSL_MAX_KEY_ARG_LENGTH)
{
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,
SSL_R_KEY_ARG_TOO_LONG);
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_KEY_ARG_TOO_LONG);
return -1;
}
s->state=SSL2_ST_GET_CLIENT_MASTER_KEY_B;
@ -430,11 +428,17 @@ static int get_client_master_key(SSL *s)
/* SSL2_ST_GET_CLIENT_MASTER_KEY_B */
p=(unsigned char *)s->init_buf->data;
die(s->init_buf->length >= SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER);
if (s->init_buf->length < SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER)
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_INTERNAL_ERROR);
return -1;
}
keya=s->session->key_arg_length;
len = 10 + (unsigned long)s->s2->tmp.clear + (unsigned long)s->s2->tmp.enc + (unsigned long)keya;
if (len > SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER)
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,SSL_R_MESSAGE_TOO_LONG);
return -1;
}
@ -511,7 +515,13 @@ static int get_client_master_key(SSL *s)
#endif
if (is_export) i+=s->s2->tmp.clear;
die(i <= SSL_MAX_MASTER_KEY_LENGTH);
if (i > SSL_MAX_MASTER_KEY_LENGTH)
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_INTERNAL_ERROR);
return -1;
}
s->session->master_key_length=i;
memcpy(s->session->master_key,p,(unsigned int)i);
return(1);
@ -561,6 +571,7 @@ static int get_client_hello(SSL *s)
if ( (i < SSL2_MIN_CHALLENGE_LENGTH) ||
(i > SSL2_MAX_CHALLENGE_LENGTH))
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_CLIENT_HELLO,SSL_R_INVALID_CHALLENGE_LENGTH);
return(-1);
}
@ -572,6 +583,7 @@ static int get_client_hello(SSL *s)
len = 9 + (unsigned long)s->s2->tmp.cipher_spec_length + (unsigned long)s->s2->challenge_length + (unsigned long)s->s2->tmp.session_id_length;
if (len > SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER)
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_CLIENT_HELLO,SSL_R_MESSAGE_TOO_LONG);
return -1;
}
@ -659,7 +671,12 @@ static int get_client_hello(SSL *s)
p+=s->s2->tmp.session_id_length;
/* challenge */
die(s->s2->challenge_length <= sizeof s->s2->challenge);
if (s->s2->challenge_length > sizeof s->s2->challenge)
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_CLIENT_HELLO, SSL_R_INTERNAL_ERROR);
return -1;
}
memcpy(s->s2->challenge,p,(unsigned int)s->s2->challenge_length);
return(1);
mem_err:
@ -811,7 +828,12 @@ static int get_client_finished(SSL *s)
}
/* SSL2_ST_GET_CLIENT_FINISHED_B */
die(s->s2->conn_id_length <= sizeof s->s2->conn_id);
if (s->s2->conn_id_length > sizeof s->s2->conn_id)
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_CLIENT_FINISHED, SSL_R_INTERNAL_ERROR);
return -1;
}
len = 1 + (unsigned long)s->s2->conn_id_length;
n = (int)len - s->init_num;
i = ssl2_read(s,(char *)&(p[s->init_num]),n);
@ -837,7 +859,11 @@ static int server_verify(SSL *s)
{
p=(unsigned char *)s->init_buf->data;
*(p++)=SSL2_MT_SERVER_VERIFY;
die(s->s2->challenge_length <= sizeof s->s2->challenge);
if (s->s2->challenge_length > sizeof s->s2->challenge)
{
SSLerr(SSL_F_SERVER_VERIFY, SSL_R_INTERNAL_ERROR);
return -1;
}
memcpy(p,s->s2->challenge,(unsigned int)s->s2->challenge_length);
/* p+=s->s2->challenge_length; */
@ -857,10 +883,12 @@ static int server_finish(SSL *s)
p=(unsigned char *)s->init_buf->data;
*(p++)=SSL2_MT_SERVER_FINISHED;
die(s->session->session_id_length
<= sizeof s->session->session_id);
memcpy(p,s->session->session_id,
(unsigned int)s->session->session_id_length);
if (s->session->session_id_length > sizeof s->session->session_id)
{
SSLerr(SSL_F_SERVER_FINISH, SSL_R_INTERNAL_ERROR);
return -1;
}
memcpy(p,s->session->session_id, (unsigned int)s->session->session_id_length);
/* p+=s->session->session_id_length; */
s->state=SSL2_ST_SEND_SERVER_FINISHED_B;