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check return value of RAND_pseudo_bytes; backport from the stable branch

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This commit is contained in:
Nils Larsch 2005-04-29 20:10:06 +00:00
parent 38be5db93b
commit 7c7667b86b
7 changed files with 24 additions and 23 deletions
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12
ChangeLog.0_9_7-stable_not-in-head
View File

@ -612,18 +612,6 @@ be added to the end of this file.
All EVP_*_cfb functions have changed names to EVP_*_cfb64 or
EVP_*_cfb128.
2004-05-15 18:39 ben
Changed:
ssl/s23_clnt.c (1.20.2.6), "Exp", lines: +5 -2
ssl/s2_clnt.c (1.37.2.11), "Exp", lines: +5 -2
ssl/s2_srvr.c (1.36.2.8), "Exp", lines: +6 -3
ssl/s3_clnt.c (1.53.2.17), "Exp", lines: +2 -1
ssl/s3_srvr.c (1.85.2.22), "Exp", lines: +4 -2
ssl/ssl_sess.c (1.40.2.8), "Exp", lines: +2 -1
Check error returns.
2004-05-17 06:39 levitte
Changed:

7
ssl/s23_clnt.c
View File

@ -235,7 +235,8 @@ static int ssl23_client_hello(SSL *s)
#endif
p=s->s3->client_random;
RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE);
if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE) <= 0)
return -1;
/* Do the message type and length last */
d= &(buf[2]);
@ -296,7 +297,9 @@ static int ssl23_client_hello(SSL *s)
i=ch_len;
s2n(i,d);
memset(&(s->s3->client_random[0]),0,SSL3_RANDOM_SIZE);
RAND_pseudo_bytes(&(s->s3->client_random[SSL3_RANDOM_SIZE-i]),i);
if (RAND_pseudo_bytes(&(s->s3->client_random[SSL3_RANDOM_SIZE-i]),i) <= 0)
return -1;
memcpy(p,&(s->s3->client_random[SSL3_RANDOM_SIZE-i]),i);
p+=i;

7
ssl/s2_clnt.c
View File

@ -612,7 +612,8 @@ static int client_hello(SSL *s)
s->s2->challenge_length=SSL2_CHALLENGE_LENGTH;
s2n(SSL2_CHALLENGE_LENGTH,p); /* challenge length */
/*challenge id data*/
RAND_pseudo_bytes(s->s2->challenge,SSL2_CHALLENGE_LENGTH);
if (RAND_pseudo_bytes(s->s2->challenge,SSL2_CHALLENGE_LENGTH) <= 0)
return -1;
memcpy(d,s->s2->challenge,SSL2_CHALLENGE_LENGTH);
d+=SSL2_CHALLENGE_LENGTH;
@ -660,7 +661,9 @@ static int client_master_key(SSL *s)
SSLerr(SSL_F_CLIENT_MASTER_KEY, ERR_R_INTERNAL_ERROR);
return -1;
}
if (i > 0) RAND_pseudo_bytes(sess->key_arg,i);
if (i > 0)
if (RAND_pseudo_bytes(sess->key_arg,i) <= 0)
return -1;
/* make a master key */
i=EVP_CIPHER_key_length(c);

9
ssl/s2_srvr.c
View File

@ -498,7 +498,8 @@ static int get_client_master_key(SSL *s)
i=ek;
else
i=EVP_CIPHER_key_length(c);
RAND_pseudo_bytes(p,i);
if (RAND_pseudo_bytes(p,i) <= 0)
return 0;
}
#else
if (i < 0)
@ -804,7 +805,8 @@ static int server_hello(SSL *s)
/* make and send conn_id */
s2n(SSL2_CONNECTION_ID_LENGTH,p); /* add conn_id length */
s->s2->conn_id_length=SSL2_CONNECTION_ID_LENGTH;
RAND_pseudo_bytes(s->s2->conn_id,(int)s->s2->conn_id_length);
if (RAND_pseudo_bytes(s->s2->conn_id,(int)s->s2->conn_id_length) <= 0)
return -1;
memcpy(d,s->s2->conn_id,SSL2_CONNECTION_ID_LENGTH);
d+=SSL2_CONNECTION_ID_LENGTH;
@ -950,7 +952,8 @@ static int request_certificate(SSL *s)
p=(unsigned char *)s->init_buf->data;
*(p++)=SSL2_MT_REQUEST_CERTIFICATE;
*(p++)=SSL2_AT_MD5_WITH_RSA_ENCRYPTION;
RAND_pseudo_bytes(ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH);
if (RAND_pseudo_bytes(ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH) <= 0)
return -1;
memcpy(p,ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH);
s->state=SSL2_ST_SEND_REQUEST_CERTIFICATE_B;

3
ssl/s3_clnt.c
View File

@ -552,7 +552,8 @@ int ssl3_client_hello(SSL *s)
p=s->s3->client_random;
Time=time(NULL); /* Time */
l2n(Time,p);
RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4);
if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0)
goto err;
/* Do the message type and length last */
d=p= &(buf[4]);

6
ssl/s3_srvr.c
View File

@ -1048,7 +1048,8 @@ int ssl3_send_server_hello(SSL *s)
p=s->s3->server_random;
Time=time(NULL); /* Time */
l2n(Time,p);
RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4);
if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0)
return -1;
/* Do the message type and length last */
d=p= &(buf[4]);
@ -1784,7 +1785,8 @@ int ssl3_get_client_key_exchange(SSL *s)
i = SSL_MAX_MASTER_KEY_LENGTH;
p[0] = s->client_version >> 8;
p[1] = s->client_version & 0xff;
RAND_pseudo_bytes(p+2, i-2); /* should be RAND_bytes, but we cannot work around a failure */
if (RAND_pseudo_bytes(p+2, i-2) <= 0) /* should be RAND_bytes, but we cannot work around a failure */
goto err;
}
s->session->master_key_length=

3
ssl/ssl_sess.c
View File

@ -148,7 +148,8 @@ static int def_generate_session_id(const SSL *ssl, unsigned char *id,
{
unsigned int retry = 0;
do
RAND_pseudo_bytes(id, *id_len);
if (RAND_pseudo_bytes(id, *id_len) <= 0)
return 0;
while(SSL_has_matching_session_id(ssl, id, *id_len) &&
(++retry < MAX_SESS_ID_ATTEMPTS));
if(retry < MAX_SESS_ID_ATTEMPTS)