diff options
Diffstat (limited to 'openssl/ssl/s2_pkt.c')
| -rw-r--r-- | openssl/ssl/s2_pkt.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/openssl/ssl/s2_pkt.c b/openssl/ssl/s2_pkt.c index a10929a75..ac963b2d4 100644 --- a/openssl/ssl/s2_pkt.c +++ b/openssl/ssl/s2_pkt.c @@ -116,7 +116,7 @@ #define USE_SOCKETS static int read_n(SSL *s,unsigned int n,unsigned int max,unsigned int extend); -static int do_ssl_write(SSL *s, const unsigned char *buf, unsigned int len); +static int n_do_ssl_write(SSL *s, const unsigned char *buf, unsigned int len); static int write_pending(SSL *s, const unsigned char *buf, unsigned int len); static int ssl_mt_error(int n); @@ -130,7 +130,7 @@ static int ssl2_read_internal(SSL *s, void *buf, int len, int peek) unsigned char mac[MAX_MAC_SIZE]; unsigned char *p; int i; - unsigned int mac_size; + int mac_size; ssl2_read_again: if (SSL_in_init(s) && !s->in_handshake) @@ -246,7 +246,9 @@ static int ssl2_read_internal(SSL *s, void *buf, int len, int peek) } else { - mac_size=EVP_MD_size(s->read_hash); + mac_size=EVP_MD_CTX_size(s->read_hash); + if (mac_size < 0) + return -1; OPENSSL_assert(mac_size <= MAX_MAC_SIZE); s->s2->mac_data=p; s->s2->ract_data= &p[mac_size]; @@ -261,7 +263,7 @@ static int ssl2_read_internal(SSL *s, void *buf, int len, int peek) /* added a check for length > max_size in case * encryption was not turned on yet due to an error */ if ((!s->s2->clear_text) && - (s->s2->rlength >= mac_size)) + (s->s2->rlength >= (unsigned int)mac_size)) { ssl2_enc(s,0); s->s2->ract_data_length-=mac_size; @@ -447,7 +449,7 @@ int ssl2_write(SSL *s, const void *_buf, int len) n=(len-tot); for (;;) { - i=do_ssl_write(s,&(buf[tot]),n); + i=n_do_ssl_write(s,&(buf[tot]),n); if (i <= 0) { s->s2->wnum=tot; @@ -511,9 +513,10 @@ static int write_pending(SSL *s, const unsigned char *buf, unsigned int len) } } -static int do_ssl_write(SSL *s, const unsigned char *buf, unsigned int len) +static int n_do_ssl_write(SSL *s, const unsigned char *buf, unsigned int len) { - unsigned int j,k,olen,p,mac_size,bs; + unsigned int j,k,olen,p,bs; + int mac_size; register unsigned char *pp; olen=len; @@ -529,7 +532,11 @@ static int do_ssl_write(SSL *s, const unsigned char *buf, unsigned int len) if (s->s2->clear_text) mac_size=0; else - mac_size=EVP_MD_size(s->write_hash); + { + mac_size=EVP_MD_CTX_size(s->write_hash); + if (mac_size < 0) + return -1; + } /* lets set the pad p */ if (s->s2->clear_text) |