X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fs23_clnt.c;h=e95e8d0c4edfaff7155493243b073406cd54e1c4;hp=15da654bf195e50d55b62c78fade8e282f0fefb1;hb=7612511b3b54e5d729caa9897a1cfb5beb224266;hpb=6da498991c43b23f2f0abc36338593c5492185f7 diff --git a/ssl/s23_clnt.c b/ssl/s23_clnt.c index 15da654bf1..e95e8d0c4e 100644 --- a/ssl/s23_clnt.c +++ b/ssl/s23_clnt.c @@ -269,14 +269,37 @@ static int ssl23_no_ssl2_ciphers(SSL *s) return 1; } +/* Fill a ClientRandom or ServerRandom field of length len. Returns <= 0 + * on failure, 1 on success. */ +int ssl_fill_hello_random(SSL *s, int server, unsigned char *result, int len) + { + int send_time = 0; + if (len < 4) + return 0; + if (server) + send_time = (s->mode & SSL_MODE_SEND_SERVERHELLO_TIME) != 0; + else + send_time = (s->mode & SSL_MODE_SEND_CLIENTHELLO_TIME) != 0; + if (send_time) + { + unsigned long Time = (unsigned long)time(NULL); + unsigned char *p = result; + l2n(Time, p); + return RAND_pseudo_bytes(p, len-4); + } + else + return RAND_pseudo_bytes(result, len); + } + static int ssl23_client_hello(SSL *s) { unsigned char *buf; unsigned char *p,*d; int i,ch_len; - unsigned long Time,l; + unsigned long l; int ssl2_compat; int version = 0, version_major, version_minor; + int al = 0; #ifndef OPENSSL_NO_COMP int j; SSL_COMP *comp; @@ -340,10 +363,10 @@ static int ssl23_client_hello(SSL *s) if (s->ctx->tlsext_opaque_prf_input_callback != 0 || s->tlsext_opaque_prf_input != NULL) ssl2_compat = 0; #endif - if (s->ctx->tlsext_authz_server_audit_proof_cb != NULL) - ssl2_compat = 0; if (s->ctx->custom_cli_ext_records_count != 0) ssl2_compat = 0; + if (s->ctx->cli_supp_data_records_count != 0) + ssl2_compat = 0; } #endif @@ -359,9 +382,7 @@ static int ssl23_client_hello(SSL *s) #endif p=s->s3->client_random; - Time=(unsigned long)time(NULL); /* Time */ - l2n(Time,p); - if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0) + if (ssl_fill_hello_random(s, 0, p, SSL3_RANDOM_SIZE) <= 0) return -1; if (version == TLS1_2_VERSION) @@ -533,8 +554,9 @@ static int ssl23_client_hello(SSL *s) SSLerr(SSL_F_SSL23_CLIENT_HELLO,SSL_R_CLIENTHELLO_TLSEXT); return -1; } - if ((p = ssl_add_clienthello_tlsext(s, p, buf+SSL3_RT_MAX_PLAIN_LENGTH)) == NULL) + if ((p = ssl_add_clienthello_tlsext(s, p, buf+SSL3_RT_MAX_PLAIN_LENGTH, &al)) == NULL) { + ssl3_send_alert(s,SSL3_AL_FATAL,al); SSLerr(SSL_F_SSL23_CLIENT_HELLO,ERR_R_INTERNAL_ERROR); return -1; }