diff options
Diffstat (limited to 'crypto/openssl/ssl/s3_both.c')
| -rw-r--r-- | crypto/openssl/ssl/s3_both.c | 127 |
1 files changed, 82 insertions, 45 deletions
diff --git a/crypto/openssl/ssl/s3_both.c b/crypto/openssl/ssl/s3_both.c index 2ecfbb7..7f46225 100644 --- a/crypto/openssl/ssl/s3_both.c +++ b/crypto/openssl/ssl/s3_both.c @@ -168,6 +168,23 @@ int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen) p+=i; l=i; + /* Copy the finished so we can use it for + renegotiation checks */ + if(s->type == SSL_ST_CONNECT) + { + OPENSSL_assert(i <= EVP_MAX_MD_SIZE); + memcpy(s->s3->previous_client_finished, + s->s3->tmp.finish_md, i); + s->s3->previous_client_finished_len=i; + } + else + { + OPENSSL_assert(i <= EVP_MAX_MD_SIZE); + memcpy(s->s3->previous_server_finished, + s->s3->tmp.finish_md, i); + s->s3->previous_server_finished_len=i; + } + #ifdef OPENSSL_SYS_WIN16 /* MSVC 1.5 does not clear the top bytes of the word unless * I do this. @@ -232,6 +249,23 @@ int ssl3_get_finished(SSL *s, int a, int b) goto f_err; } + /* Copy the finished so we can use it for + renegotiation checks */ + if(s->type == SSL_ST_ACCEPT) + { + OPENSSL_assert(i <= EVP_MAX_MD_SIZE); + memcpy(s->s3->previous_client_finished, + s->s3->tmp.peer_finish_md, i); + s->s3->previous_client_finished_len=i; + } + else + { + OPENSSL_assert(i <= EVP_MAX_MD_SIZE); + memcpy(s->s3->previous_server_finished, + s->s3->tmp.peer_finish_md, i); + s->s3->previous_server_finished_len=i; + } + return(1); f_err: ssl3_send_alert(s,SSL3_AL_FATAL,al); @@ -264,15 +298,31 @@ int ssl3_send_change_cipher_spec(SSL *s, int a, int b) return(ssl3_do_write(s,SSL3_RT_CHANGE_CIPHER_SPEC)); } +static int ssl3_add_cert_to_buf(BUF_MEM *buf, unsigned long *l, X509 *x) + { + int n; + unsigned char *p; + + n=i2d_X509(x,NULL); + if (!BUF_MEM_grow_clean(buf,(int)(n+(*l)+3))) + { + SSLerr(SSL_F_SSL3_ADD_CERT_TO_BUF,ERR_R_BUF_LIB); + return(-1); + } + p=(unsigned char *)&(buf->data[*l]); + l2n3(n,p); + i2d_X509(x,&p); + *l+=n+3; + + return(0); + } + unsigned long ssl3_output_cert_chain(SSL *s, X509 *x) { unsigned char *p; - int n,i; + int i; unsigned long l=7; BUF_MEM *buf; - X509_STORE_CTX xs_ctx; - X509_OBJECT obj; - int no_chain; if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || s->ctx->extra_certs) @@ -289,58 +339,40 @@ unsigned long ssl3_output_cert_chain(SSL *s, X509 *x) } if (x != NULL) { - if(!no_chain && !X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,NULL,NULL)) + if (no_chain) { - SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_X509_LIB); - return(0); + if (ssl3_add_cert_to_buf(buf, &l, x)) + return(0); } - - for (;;) + else { - n=i2d_X509(x,NULL); - if (!BUF_MEM_grow_clean(buf,(int)(n+l+3))) + X509_STORE_CTX xs_ctx; + + if (!X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,x,NULL)) { - SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB); + SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_X509_LIB); return(0); } - p=(unsigned char *)&(buf->data[l]); - l2n3(n,p); - i2d_X509(x,&p); - l+=n+3; - - if (no_chain) - break; - - if (X509_NAME_cmp(X509_get_subject_name(x), - X509_get_issuer_name(x)) == 0) break; - - i=X509_STORE_get_by_subject(&xs_ctx,X509_LU_X509, - X509_get_issuer_name(x),&obj); - if (i <= 0) break; - x=obj.data.x509; - /* Count is one too high since the X509_STORE_get uped the - * ref count */ - X509_free(x); - } - if (!no_chain) + X509_verify_cert(&xs_ctx); + for (i=0; i < sk_X509_num(xs_ctx.chain); i++) + { + x = sk_X509_value(xs_ctx.chain, i); + + if (ssl3_add_cert_to_buf(buf, &l, x)) + { + X509_STORE_CTX_cleanup(&xs_ctx); + return 0; + } + } X509_STORE_CTX_cleanup(&xs_ctx); + } } - /* Thawte special :-) */ - if (s->ctx->extra_certs != NULL) for (i=0; i<sk_X509_num(s->ctx->extra_certs); i++) { x=sk_X509_value(s->ctx->extra_certs,i); - n=i2d_X509(x,NULL); - if (!BUF_MEM_grow_clean(buf,(int)(n+l+3))) - { - SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB); + if (ssl3_add_cert_to_buf(buf, &l, x)) return(0); - } - p=(unsigned char *)&(buf->data[l]); - l2n3(n,p); - i2d_X509(x,&p); - l+=n+3; } l-=7; @@ -589,9 +621,14 @@ int ssl_verify_alarm_type(long type) int ssl3_setup_buffers(SSL *s) { unsigned char *p; - unsigned int extra; + unsigned int extra,headerlen; size_t len; + if (SSL_version(s) == DTLS1_VERSION || SSL_version(s) == DTLS1_BAD_VER) + headerlen = DTLS1_RT_HEADER_LENGTH; + else + headerlen = SSL3_RT_HEADER_LENGTH; + if (s->s3->rbuf.buf == NULL) { if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER) @@ -608,7 +645,7 @@ int ssl3_setup_buffers(SSL *s) if (s->s3->wbuf.buf == NULL) { len = SSL3_RT_MAX_PACKET_SIZE; - len += SSL3_RT_HEADER_LENGTH + 256; /* extra space for empty fragment */ + len += headerlen + 256; /* extra space for empty fragment */ if ((p=OPENSSL_malloc(len)) == NULL) goto err; s->s3->wbuf.buf = p; |
