openssl-0.9.8e-tls-extensions.patch revision 214501
1214501SrpauloThis patch is adding support for TLS hello extensions and externally 2214501Srpaulogenerated pre-shared key material to OpenSSL 0.9.8e. This is 3214501Srpaulobased on the patch from Alexey Kobozev <akobozev@cisco.com> 4214501Srpaulo(sent to openssl-dev mailing list on Tue, 07 Jun 2005 15:40:58 +0300). 5214501Srpaulo 6214501Srpaulo 7214501Srpaulo 8214501Srpaulodiff -uprN openssl-0.9.8e.orig/ssl/Makefile openssl-0.9.8e/ssl/Makefile 9214501Srpaulo--- openssl-0.9.8e.orig/ssl/Makefile 2006-02-03 17:49:35.000000000 -0800 10214501Srpaulo+++ openssl-0.9.8e/ssl/Makefile 2007-03-22 20:23:19.000000000 -0700 11214501Srpaulo@@ -24,7 +24,7 @@ LIBSRC= \ 12214501Srpaulo s2_meth.c s2_srvr.c s2_clnt.c s2_lib.c s2_enc.c s2_pkt.c \ 13214501Srpaulo s3_meth.c s3_srvr.c s3_clnt.c s3_lib.c s3_enc.c s3_pkt.c s3_both.c \ 14214501Srpaulo s23_meth.c s23_srvr.c s23_clnt.c s23_lib.c s23_pkt.c \ 15214501Srpaulo- t1_meth.c t1_srvr.c t1_clnt.c t1_lib.c t1_enc.c \ 16214501Srpaulo+ t1_meth.c t1_srvr.c t1_clnt.c t1_lib.c t1_enc.c t1_ext.c \ 17214501Srpaulo d1_meth.c d1_srvr.c d1_clnt.c d1_lib.c d1_pkt.c \ 18214501Srpaulo d1_both.c d1_enc.c \ 19214501Srpaulo ssl_lib.c ssl_err2.c ssl_cert.c ssl_sess.c \ 20214501Srpaulo@@ -35,7 +35,7 @@ LIBOBJ= \ 21214501Srpaulo s2_meth.o s2_srvr.o s2_clnt.o s2_lib.o s2_enc.o s2_pkt.o \ 22214501Srpaulo s3_meth.o s3_srvr.o s3_clnt.o s3_lib.o s3_enc.o s3_pkt.o s3_both.o \ 23214501Srpaulo s23_meth.o s23_srvr.o s23_clnt.o s23_lib.o s23_pkt.o \ 24214501Srpaulo- t1_meth.o t1_srvr.o t1_clnt.o t1_lib.o t1_enc.o \ 25214501Srpaulo+ t1_meth.o t1_srvr.o t1_clnt.o t1_lib.o t1_enc.o t1_ext.o \ 26214501Srpaulo d1_meth.o d1_srvr.o d1_clnt.o d1_lib.o d1_pkt.o \ 27214501Srpaulo d1_both.o d1_enc.o \ 28214501Srpaulo ssl_lib.o ssl_err2.o ssl_cert.o ssl_sess.o \ 29214501Srpaulo@@ -968,3 +968,4 @@ t1_srvr.o: ../include/openssl/ssl23.h .. 30214501Srpaulo t1_srvr.o: ../include/openssl/stack.h ../include/openssl/symhacks.h 31214501Srpaulo t1_srvr.o: ../include/openssl/tls1.h ../include/openssl/x509.h 32214501Srpaulo t1_srvr.o: ../include/openssl/x509_vfy.h ssl_locl.h t1_srvr.c 33214501Srpaulo+t1_ext.o: t1_ext.c ssl_locl.h 34214501Srpaulodiff -uprN openssl-0.9.8e.orig/ssl/s3_clnt.c openssl-0.9.8e/ssl/s3_clnt.c 35214501Srpaulo--- openssl-0.9.8e.orig/ssl/s3_clnt.c 2006-09-28 05:23:15.000000000 -0700 36214501Srpaulo+++ openssl-0.9.8e/ssl/s3_clnt.c 2007-03-22 20:23:19.000000000 -0700 37214501Srpaulo@@ -601,6 +601,20 @@ int ssl3_client_hello(SSL *s) 38214501Srpaulo #endif 39214501Srpaulo *(p++)=0; /* Add the NULL method */ 40214501Srpaulo 41214501Srpaulo+ /* send client hello extensions if any */ 42214501Srpaulo+ if (s->version >= TLS1_VERSION && s->tls_extension) 43214501Srpaulo+ { 44214501Srpaulo+ // set the total extensions length 45214501Srpaulo+ s2n(s->tls_extension->length + 4, p); 46214501Srpaulo+ 47214501Srpaulo+ // put the extensions with type and length 48214501Srpaulo+ s2n(s->tls_extension->type, p); 49214501Srpaulo+ s2n(s->tls_extension->length, p); 50214501Srpaulo+ 51214501Srpaulo+ memcpy(p, s->tls_extension->data, s->tls_extension->length); 52214501Srpaulo+ p+=s->tls_extension->length; 53214501Srpaulo+ } 54214501Srpaulo+ 55214501Srpaulo l=(p-d); 56214501Srpaulo d=buf; 57214501Srpaulo *(d++)=SSL3_MT_CLIENT_HELLO; 58214501Srpaulo@@ -623,7 +637,7 @@ int ssl3_get_server_hello(SSL *s) 59214501Srpaulo STACK_OF(SSL_CIPHER) *sk; 60214501Srpaulo SSL_CIPHER *c; 61214501Srpaulo unsigned char *p,*d; 62214501Srpaulo- int i,al,ok; 63214501Srpaulo+ int i,al,ok,pre_shared; 64214501Srpaulo unsigned int j; 65214501Srpaulo long n; 66214501Srpaulo #ifndef OPENSSL_NO_COMP 67214501Srpaulo@@ -690,7 +704,24 @@ int ssl3_get_server_hello(SSL *s) 68214501Srpaulo goto f_err; 69214501Srpaulo } 70214501Srpaulo 71214501Srpaulo- if (j != 0 && j == s->session->session_id_length 72214501Srpaulo+ /* check if we want to resume the session based on external pre-shared secret */ 73214501Srpaulo+ pre_shared = 0; 74214501Srpaulo+ if (s->version >= TLS1_VERSION && s->tls_session_secret_cb) 75214501Srpaulo+ { 76214501Srpaulo+ SSL_CIPHER *pref_cipher=NULL; 77214501Srpaulo+ s->session->master_key_length=sizeof(s->session->master_key); 78214501Srpaulo+ if (s->tls_session_secret_cb(s, s->session->master_key, &s->session->master_key_length, 79214501Srpaulo+ NULL, &pref_cipher, s->tls_session_secret_cb_arg)) 80214501Srpaulo+ { 81214501Srpaulo+ s->hit=1; 82214501Srpaulo+ s->session->cipher=pref_cipher ? pref_cipher : ssl_get_cipher_by_char(s,p+j); 83214501Srpaulo+ s->session->session_id_length = j; 84214501Srpaulo+ memcpy(s->session->session_id, p, j); 85214501Srpaulo+ pre_shared = 1; 86214501Srpaulo+ } 87214501Srpaulo+ } 88214501Srpaulo+ 89214501Srpaulo+ if ((pre_shared || j != 0) && j == s->session->session_id_length 90214501Srpaulo && memcmp(p,s->session->session_id,j) == 0) 91214501Srpaulo { 92214501Srpaulo if(s->sid_ctx_length != s->session->sid_ctx_length 93214501Srpaulodiff -uprN openssl-0.9.8e.orig/ssl/s3_srvr.c openssl-0.9.8e/ssl/s3_srvr.c 94214501Srpaulo--- openssl-0.9.8e.orig/ssl/s3_srvr.c 2007-02-07 12:36:40.000000000 -0800 95214501Srpaulo+++ openssl-0.9.8e/ssl/s3_srvr.c 2007-03-22 20:23:19.000000000 -0700 96214501Srpaulo@@ -945,6 +945,75 @@ int ssl3_get_client_hello(SSL *s) 97214501Srpaulo } 98214501Srpaulo #endif 99214501Srpaulo 100214501Srpaulo+ /* Check for TLS client hello extension here */ 101214501Srpaulo+ if (p < (d+n) && s->version >= TLS1_VERSION) 102214501Srpaulo+ { 103214501Srpaulo+ if (s->tls_extension_cb) 104214501Srpaulo+ { 105214501Srpaulo+ TLS_EXTENSION tls_ext; 106214501Srpaulo+ unsigned short ext_total_len; 107214501Srpaulo+ 108214501Srpaulo+ n2s(p, ext_total_len); 109214501Srpaulo+ n2s(p, tls_ext.type); 110214501Srpaulo+ n2s(p, tls_ext.length); 111214501Srpaulo+ 112214501Srpaulo+ // sanity check in TLS extension len 113214501Srpaulo+ if (tls_ext.length > (d+n) - p) 114214501Srpaulo+ { 115214501Srpaulo+ // just cut the lenth to packet border 116214501Srpaulo+ tls_ext.length = (d+n) - p; 117214501Srpaulo+ } 118214501Srpaulo+ 119214501Srpaulo+ tls_ext.data = p; 120214501Srpaulo+ 121214501Srpaulo+ // returns an alert code or 0 122214501Srpaulo+ al = s->tls_extension_cb(s, &tls_ext, s->tls_extension_cb_arg); 123214501Srpaulo+ if (al != 0) 124214501Srpaulo+ { 125214501Srpaulo+ SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_PEER_ERROR); 126214501Srpaulo+ goto f_err; 127214501Srpaulo+ } 128214501Srpaulo+ } 129214501Srpaulo+ } 130214501Srpaulo+ 131214501Srpaulo+ /* Check if we want to use external pre-shared secret for this handshake */ 132214501Srpaulo+ /* for not reused session only */ 133214501Srpaulo+ if (!s->hit && s->version >= TLS1_VERSION && s->tls_session_secret_cb) 134214501Srpaulo+ { 135214501Srpaulo+ SSL_CIPHER *pref_cipher=NULL; 136214501Srpaulo+ 137214501Srpaulo+ s->session->master_key_length=sizeof(s->session->master_key); 138214501Srpaulo+ if(s->tls_session_secret_cb(s, s->session->master_key, &s->session->master_key_length, 139214501Srpaulo+ ciphers, &pref_cipher, s->tls_session_secret_cb_arg)) 140214501Srpaulo+ { 141214501Srpaulo+ s->hit=1; 142214501Srpaulo+ s->session->ciphers=ciphers; 143214501Srpaulo+ s->session->verify_result=X509_V_OK; 144214501Srpaulo+ 145214501Srpaulo+ ciphers=NULL; 146214501Srpaulo+ 147214501Srpaulo+ /* check if some cipher was preferred by call back */ 148214501Srpaulo+ pref_cipher=pref_cipher ? pref_cipher : ssl3_choose_cipher(s, s->session->ciphers, SSL_get_ciphers(s)); 149214501Srpaulo+ if (pref_cipher == NULL) 150214501Srpaulo+ { 151214501Srpaulo+ al=SSL_AD_HANDSHAKE_FAILURE; 152214501Srpaulo+ SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_NO_SHARED_CIPHER); 153214501Srpaulo+ goto f_err; 154214501Srpaulo+ } 155214501Srpaulo+ 156214501Srpaulo+ s->session->cipher=pref_cipher; 157214501Srpaulo+ 158214501Srpaulo+ if (s->cipher_list) 159214501Srpaulo+ sk_SSL_CIPHER_free(s->cipher_list); 160214501Srpaulo+ 161214501Srpaulo+ if (s->cipher_list_by_id) 162214501Srpaulo+ sk_SSL_CIPHER_free(s->cipher_list_by_id); 163214501Srpaulo+ 164214501Srpaulo+ s->cipher_list = sk_SSL_CIPHER_dup(s->session->ciphers); 165214501Srpaulo+ s->cipher_list_by_id = sk_SSL_CIPHER_dup(s->session->ciphers); 166214501Srpaulo+ } 167214501Srpaulo+ } 168214501Srpaulo+ 169214501Srpaulo /* Given s->session->ciphers and SSL_get_ciphers, we must 170214501Srpaulo * pick a cipher */ 171214501Srpaulo 172214501Srpaulodiff -uprN openssl-0.9.8e.orig/ssl/ssl.h openssl-0.9.8e/ssl/ssl.h 173214501Srpaulo--- openssl-0.9.8e.orig/ssl/ssl.h 2007-02-19 09:55:07.000000000 -0800 174214501Srpaulo+++ openssl-0.9.8e/ssl/ssl.h 2007-03-22 20:23:19.000000000 -0700 175214501Srpaulo@@ -345,6 +345,7 @@ extern "C" { 176214501Srpaulo * 'struct ssl_st *' function parameters used to prototype callbacks 177214501Srpaulo * in SSL_CTX. */ 178214501Srpaulo typedef struct ssl_st *ssl_crock_st; 179214501Srpaulo+typedef struct tls_extension_st TLS_EXTENSION; 180214501Srpaulo 181214501Srpaulo /* used to hold info on the particular ciphers used */ 182214501Srpaulo typedef struct ssl_cipher_st 183214501Srpaulo@@ -366,6 +367,8 @@ DECLARE_STACK_OF(SSL_CIPHER) 184214501Srpaulo typedef struct ssl_st SSL; 185214501Srpaulo typedef struct ssl_ctx_st SSL_CTX; 186214501Srpaulo 187214501Srpaulo+typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len, STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg); 188214501Srpaulo+ 189214501Srpaulo /* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */ 190214501Srpaulo typedef struct ssl_method_st 191214501Srpaulo { 192214501Srpaulo@@ -973,6 +976,15 @@ struct ssl_st 193214501Srpaulo int first_packet; 194214501Srpaulo int client_version; /* what was passed, used for 195214501Srpaulo * SSLv3/TLS rollback check */ 196214501Srpaulo+ 197214501Srpaulo+ /* TLS externsions */ 198214501Srpaulo+ TLS_EXTENSION *tls_extension; 199214501Srpaulo+ int (*tls_extension_cb)(SSL *s, TLS_EXTENSION *tls_ext, void *arg); 200214501Srpaulo+ void *tls_extension_cb_arg; 201214501Srpaulo+ 202214501Srpaulo+ /* TLS pre-shared secret session resumption */ 203214501Srpaulo+ tls_session_secret_cb_fn tls_session_secret_cb; 204214501Srpaulo+ void *tls_session_secret_cb_arg; 205214501Srpaulo }; 206214501Srpaulo 207214501Srpaulo #ifdef __cplusplus 208214501Srpaulo@@ -1538,6 +1550,13 @@ void *SSL_COMP_get_compression_methods(v 209214501Srpaulo int SSL_COMP_add_compression_method(int id,void *cm); 210214501Srpaulo #endif 211214501Srpaulo 212214501Srpaulo+/* TLS extensions functions */ 213214501Srpaulo+int SSL_set_hello_extension(SSL *s, int ext_type, void *ext_data, int ext_len); 214214501Srpaulo+int SSL_set_hello_extension_cb(SSL *s, int (*cb)(SSL *, TLS_EXTENSION *, void *), void *arg); 215214501Srpaulo+ 216214501Srpaulo+/* Pre-shared secret session resumption functions */ 217214501Srpaulo+int SSL_set_session_secret_cb(SSL *s, tls_session_secret_cb_fn tls_session_secret_cb, void *arg); 218214501Srpaulo+ 219214501Srpaulo /* BEGIN ERROR CODES */ 220214501Srpaulo /* The following lines are auto generated by the script mkerr.pl. Any changes 221214501Srpaulo * made after this point may be overwritten when the script is next run. 222214501Srpaulo@@ -1719,6 +1738,7 @@ void ERR_load_SSL_strings(void); 223214501Srpaulo #define SSL_F_TLS1_ENC 210 224214501Srpaulo #define SSL_F_TLS1_SETUP_KEY_BLOCK 211 225214501Srpaulo #define SSL_F_WRITE_PENDING 212 226214501Srpaulo+#define SSL_F_SSL_SET_HELLO_EXTENSION 213 227214501Srpaulo 228214501Srpaulo /* Reason codes. */ 229214501Srpaulo #define SSL_R_APP_DATA_IN_HANDSHAKE 100 230214501Srpaulodiff -uprN openssl-0.9.8e.orig/ssl/ssl_err.c openssl-0.9.8e/ssl/ssl_err.c 231214501Srpaulo--- openssl-0.9.8e.orig/ssl/ssl_err.c 2006-11-21 12:14:46.000000000 -0800 232214501Srpaulo+++ openssl-0.9.8e/ssl/ssl_err.c 2007-03-22 20:23:19.000000000 -0700 233214501Srpaulo@@ -242,6 +242,7 @@ static ERR_STRING_DATA SSL_str_functs[]= 234214501Srpaulo {ERR_FUNC(SSL_F_TLS1_ENC), "TLS1_ENC"}, 235214501Srpaulo {ERR_FUNC(SSL_F_TLS1_SETUP_KEY_BLOCK), "TLS1_SETUP_KEY_BLOCK"}, 236214501Srpaulo {ERR_FUNC(SSL_F_WRITE_PENDING), "WRITE_PENDING"}, 237214501Srpaulo+{ERR_FUNC(SSL_F_SSL_SET_HELLO_EXTENSION), "SSL_set_hello_extension"}, 238214501Srpaulo {0,NULL} 239214501Srpaulo }; 240214501Srpaulo 241214501Srpaulodiff -uprN openssl-0.9.8e.orig/ssl/ssl_sess.c openssl-0.9.8e/ssl/ssl_sess.c 242214501Srpaulo--- openssl-0.9.8e.orig/ssl/ssl_sess.c 2007-02-10 02:40:24.000000000 -0800 243214501Srpaulo+++ openssl-0.9.8e/ssl/ssl_sess.c 2007-03-22 20:23:19.000000000 -0700 244214501Srpaulo@@ -656,6 +656,15 @@ long SSL_CTX_get_timeout(const SSL_CTX * 245214501Srpaulo return(s->session_timeout); 246214501Srpaulo } 247214501Srpaulo 248214501Srpaulo+int SSL_set_session_secret_cb(SSL *s, int (*tls_session_secret_cb)(SSL *s, void *secret, int *secret_len, 249214501Srpaulo+ STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg), void *arg) 250214501Srpaulo+{ 251214501Srpaulo+ if (s == NULL) return(0); 252214501Srpaulo+ s->tls_session_secret_cb = tls_session_secret_cb; 253214501Srpaulo+ s->tls_session_secret_cb_arg = arg; 254214501Srpaulo+ return(1); 255214501Srpaulo+} 256214501Srpaulo+ 257214501Srpaulo typedef struct timeout_param_st 258214501Srpaulo { 259214501Srpaulo SSL_CTX *ctx; 260214501Srpaulodiff -uprN openssl-0.9.8e.orig/ssl/t1_ext.c openssl-0.9.8e/ssl/t1_ext.c 261214501Srpaulo--- openssl-0.9.8e.orig/ssl/t1_ext.c 1969-12-31 16:00:00.000000000 -0800 262214501Srpaulo+++ openssl-0.9.8e/ssl/t1_ext.c 2007-03-22 20:23:19.000000000 -0700 263214501Srpaulo@@ -0,0 +1,48 @@ 264214501Srpaulo+ 265214501Srpaulo+#include <stdio.h> 266214501Srpaulo+#include "ssl_locl.h" 267214501Srpaulo+ 268214501Srpaulo+ 269214501Srpaulo+int SSL_set_hello_extension(SSL *s, int ext_type, void *ext_data, int ext_len) 270214501Srpaulo+{ 271214501Srpaulo+ if(s->version >= TLS1_VERSION) 272214501Srpaulo+ { 273214501Srpaulo+ if(s->tls_extension) 274214501Srpaulo+ { 275214501Srpaulo+ OPENSSL_free(s->tls_extension); 276214501Srpaulo+ s->tls_extension = NULL; 277214501Srpaulo+ } 278214501Srpaulo+ 279214501Srpaulo+ if(ext_data) 280214501Srpaulo+ { 281214501Srpaulo+ s->tls_extension = OPENSSL_malloc(sizeof(TLS_EXTENSION) + ext_len); 282214501Srpaulo+ if(!s->tls_extension) 283214501Srpaulo+ { 284214501Srpaulo+ SSLerr(SSL_F_SSL_SET_HELLO_EXTENSION, ERR_R_MALLOC_FAILURE); 285214501Srpaulo+ return 0; 286214501Srpaulo+ } 287214501Srpaulo+ 288214501Srpaulo+ s->tls_extension->type = ext_type; 289214501Srpaulo+ s->tls_extension->length = ext_len; 290214501Srpaulo+ s->tls_extension->data = s->tls_extension + 1; 291214501Srpaulo+ memcpy(s->tls_extension->data, ext_data, ext_len); 292214501Srpaulo+ } 293214501Srpaulo+ 294214501Srpaulo+ return 1; 295214501Srpaulo+ } 296214501Srpaulo+ 297214501Srpaulo+ return 0; 298214501Srpaulo+} 299214501Srpaulo+ 300214501Srpaulo+int SSL_set_hello_extension_cb(SSL *s, int (*cb)(SSL *, TLS_EXTENSION *, void *), void *arg) 301214501Srpaulo+{ 302214501Srpaulo+ if(s->version >= TLS1_VERSION) 303214501Srpaulo+ { 304214501Srpaulo+ s->tls_extension_cb = cb; 305214501Srpaulo+ s->tls_extension_cb_arg = arg; 306214501Srpaulo+ 307214501Srpaulo+ return 1; 308214501Srpaulo+ } 309214501Srpaulo+ 310214501Srpaulo+ return 0; 311214501Srpaulo+} 312214501Srpaulodiff -uprN openssl-0.9.8e.orig/ssl/t1_lib.c openssl-0.9.8e/ssl/t1_lib.c 313214501Srpaulo--- openssl-0.9.8e.orig/ssl/t1_lib.c 2007-01-21 08:07:25.000000000 -0800 314214501Srpaulo+++ openssl-0.9.8e/ssl/t1_lib.c 2007-03-22 20:23:19.000000000 -0700 315214501Srpaulo@@ -97,6 +97,10 @@ int tls1_new(SSL *s) 316214501Srpaulo 317214501Srpaulo void tls1_free(SSL *s) 318214501Srpaulo { 319214501Srpaulo+ if(s->tls_extension) 320214501Srpaulo+ { 321214501Srpaulo+ OPENSSL_free(s->tls_extension); 322214501Srpaulo+ } 323214501Srpaulo ssl3_free(s); 324214501Srpaulo } 325214501Srpaulo 326214501Srpaulodiff -uprN openssl-0.9.8e.orig/ssl/tls1.h openssl-0.9.8e/ssl/tls1.h 327214501Srpaulo--- openssl-0.9.8e.orig/ssl/tls1.h 2006-06-14 10:52:01.000000000 -0700 328214501Srpaulo+++ openssl-0.9.8e/ssl/tls1.h 2007-03-22 20:23:19.000000000 -0700 329214501Srpaulo@@ -296,6 +296,14 @@ extern "C" { 330214501Srpaulo #define TLS_MD_MASTER_SECRET_CONST "\x6d\x61\x73\x74\x65\x72\x20\x73\x65\x63\x72\x65\x74" /*master secret*/ 331214501Srpaulo #endif 332214501Srpaulo 333214501Srpaulo+/* TLS extension struct */ 334214501Srpaulo+struct tls_extension_st 335214501Srpaulo+{ 336214501Srpaulo+ unsigned short type; 337214501Srpaulo+ unsigned short length; 338214501Srpaulo+ void *data; 339214501Srpaulo+}; 340214501Srpaulo+ 341214501Srpaulo #ifdef __cplusplus 342214501Srpaulo } 343214501Srpaulo #endif 344214501Srpaulodiff -uprN openssl-0.9.8e.orig/util/ssleay.num openssl-0.9.8e/util/ssleay.num 345214501Srpaulo--- openssl-0.9.8e.orig/util/ssleay.num 2006-11-30 05:04:43.000000000 -0800 346214501Srpaulo+++ openssl-0.9.8e/util/ssleay.num 2007-03-22 20:24:07.000000000 -0700 347214501Srpaulo@@ -238,3 +238,6 @@ SSL_CTX_set_info_callback 348214501Srpaulo SSL_CTX_sess_get_new_cb 287 EXIST::FUNCTION: 349214501Srpaulo SSL_CTX_get_client_cert_cb 288 EXIST::FUNCTION: 350214501Srpaulo SSL_CTX_sess_get_remove_cb 289 EXIST::FUNCTION: 351214501Srpaulo+SSL_set_hello_extension 290 EXIST::FUNCTION: 352214501Srpaulo+SSL_set_hello_extension_cb 291 EXIST::FUNCTION: 353214501Srpaulo+SSL_set_session_secret_cb 292 EXIST::FUNCTION: 354