VMS support.

[openssl.git] / ssl / ssl_sess.c

diff --git a/ssl/ssl_sess.c b/ssl/ssl_sess.c
index adaab3545fa9dd27d52bd6e27689950420d274e4..88d4b50c759f0e2adc30534469f09d0865970a34 100644 (file)
--- a/ssl/ssl_sess.c
+++ b/ssl/ssl_sess.c
@@ -57,33 +57,23 @@
  */
 
 #include <stdio.h>
-#include "lhash.h"
-#include "rand.h"
+#include <openssl/lhash.h>
+#include <openssl/rand.h>
 #include "ssl_locl.h"
 
-#ifndef NOPROTO
 static void SSL_SESSION_list_remove(SSL_CTX *ctx, SSL_SESSION *s);
 static void SSL_SESSION_list_add(SSL_CTX *ctx,SSL_SESSION *s);
-#else
-static void SSL_SESSION_list_remove();
-static void SSL_SESSION_list_add();
-#endif
-
+static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck);
 static int ssl_session_num=0;
 static STACK *ssl_session_meth=NULL;
 
-SSL_SESSION *SSL_get_session(ssl)
-SSL *ssl;
+SSL_SESSION *SSL_get_session(SSL *ssl)
        {
        return(ssl->session);
        }
 
-int SSL_SESSION_get_ex_new_index(argl,argp,new_func,dup_func,free_func)
-long argl;
-char *argp;
-int (*new_func)();
-int (*dup_func)();
-void (*free_func)();
+int SSL_SESSION_get_ex_new_index(long argl, char *argp, int (*new_func)(),
+            int (*dup_func)(), void (*free_func)())
         {
         ssl_session_num++;
         return(CRYPTO_get_ex_new_index(ssl_session_num-1,
@@ -91,22 +81,17 @@ void (*free_func)();
                 argl,argp,new_func,dup_func,free_func));
         }
 
-int SSL_SESSION_set_ex_data(s,idx,arg)
-SSL_SESSION *s;
-int idx;
-char *arg;
+int SSL_SESSION_set_ex_data(SSL_SESSION *s, int idx, void *arg)
        {
        return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
        }
 
-char *SSL_SESSION_get_ex_data(s,idx)
-SSL_SESSION *s;
-int idx;
+void *SSL_SESSION_get_ex_data(SSL_SESSION *s, int idx)
        {
        return(CRYPTO_get_ex_data(&s->ex_data,idx));
        }
 
-SSL_SESSION *SSL_SESSION_new()
+SSL_SESSION *SSL_SESSION_new(void)
        {
        SSL_SESSION *ss;
 
@@ -128,9 +113,7 @@ SSL_SESSION *SSL_SESSION_new()
        return(ss);
        }
 
-int ssl_get_new_session(s, session)
-SSL *s;
-int session;
+int ssl_get_new_session(SSL *s, int session)
        {
        SSL_SESSION *ss=NULL;
 
@@ -150,7 +133,7 @@ int session;
 
        if (session)
                {
-               if (s->version == SSL2_CLIENT_VERSION)
+               if (s->version == SSL2_VERSION)
                        {
                        ss->ssl_version=SSL2_VERSION;
                        ss->session_id_length=SSL2_SSL_SESSION_ID_LENGTH;
@@ -190,25 +173,25 @@ int session;
                ss->session_id_length=0;
                }
 
+       memcpy(ss->sid_ctx,s->sid_ctx,s->sid_ctx_length);
+       ss->sid_ctx_length=s->sid_ctx_length;
        s->session=ss;
        ss->ssl_version=s->version;
 
        return(1);
        }
 
-int ssl_get_prev_session(s,session_id,len)
-SSL *s;
-unsigned char *session_id;
-int len;
+int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len)
        {
        SSL_SESSION *ret=NULL,data;
+       int copy=1;
 
        /* conn_init();*/
        data.ssl_version=s->version;
        data.session_id_length=len;
        if (len > SSL_MAX_SSL_SESSION_ID_LENGTH)
                return(0);
-       memcpy(data.session_id,session_id,len);;
+       memcpy(data.session_id,session_id,len);
 
        if (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP))
                {
@@ -219,29 +202,36 @@ int len;
 
        if (ret == NULL)
                {
-               int copy=1;
-
                s->ctx->stats.sess_miss++;
                ret=NULL;
-               if ((s->ctx->get_session_cb != NULL) &&
-                       ((ret=s->ctx->get_session_cb(s,session_id,len,&copy))
-                               != NULL))
+               if (s->ctx->get_session_cb != NULL
+                   && (ret=s->ctx->get_session_cb(s,session_id,len,&copy))
+                      != NULL)
                        {
                        s->ctx->stats.sess_cb_hit++;
 
                        /* The following should not return 1, otherwise,
                         * things are very strange */
                        SSL_CTX_add_session(s->ctx,ret);
-                       /* auto free it */
-                       if (!copy)
-                               SSL_SESSION_free(ret);
                        }
                if (ret == NULL) return(0);
                }
 
+       if((s->verify_mode&SSL_VERIFY_PEER)
+          && (!s->sid_ctx_length || ret->sid_ctx_length != s->sid_ctx_length
+              || memcmp(ret->sid_ctx,s->sid_ctx,ret->sid_ctx_length)))
+           {
+           SSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT);
+           return 0;
+           }
+
+       /* auto free it */
+       if (!copy)
+           SSL_SESSION_free(ret);
+
        if (ret->cipher == NULL)
                {
-               char buf[5],*p;
+               unsigned char buf[5],*p;
                unsigned long l;
 
                p=buf;
@@ -282,9 +272,7 @@ int len;
        return(1);
        }
 
-int SSL_CTX_add_session(ctx,c)
-SSL_CTX *ctx;
-SSL_SESSION *c;
+int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c)
        {
        int ret=0;
        SSL_SESSION *s;
@@ -317,8 +305,8 @@ SSL_SESSION *c;
                        while (SSL_CTX_sess_number(ctx) >
                                SSL_CTX_sess_get_cache_size(ctx))
                                {
-                               if (!SSL_CTX_remove_session(ctx,
-                                       ctx->session_cache_tail))
+                               if (!remove_session_lock(ctx,
+                                       ctx->session_cache_tail, 0))
                                        break;
                                else
                                        ctx->stats.sess_cache_full++;
@@ -329,16 +317,19 @@ SSL_SESSION *c;
        return(ret);
        }
 
-int SSL_CTX_remove_session(ctx,c)
-SSL_CTX *ctx;
-SSL_SESSION *c;
+int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)
+{
+       return remove_session_lock(ctx, c, 1);
+}
+
+static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)
        {
        SSL_SESSION *r;
        int ret=0;
 
        if ((c != NULL) && (c->session_id_length != 0))
                {
-               CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
+               if(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
                r=(SSL_SESSION *)lh_delete(ctx->sessions,(char *)c);
                if (r != NULL)
                        {
@@ -346,7 +337,7 @@ SSL_SESSION *c;
                        SSL_SESSION_list_remove(ctx,c);
                        }
 
-               CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
+               if(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
 
                if (ret)
                        {
@@ -361,8 +352,7 @@ SSL_SESSION *c;
        return(ret);
        }
 
-void SSL_SESSION_free(ss)
-SSL_SESSION *ss;
+void SSL_SESSION_free(SSL_SESSION *ss)
        {
        int i;
 
@@ -387,16 +377,14 @@ SSL_SESSION *ss;
        memset(ss->key_arg,0,SSL_MAX_KEY_ARG_LENGTH);
        memset(ss->master_key,0,SSL_MAX_MASTER_KEY_LENGTH);
        memset(ss->session_id,0,SSL_MAX_SSL_SESSION_ID_LENGTH);
-       if (ss->cert != NULL) ssl_cert_free(ss->cert);
+       if (ss->sess_cert != NULL) ssl_cert_free(ss->sess_cert);
        if (ss->peer != NULL) X509_free(ss->peer);
-       if (ss->ciphers != NULL) sk_free(ss->ciphers);
+       if (ss->ciphers != NULL) sk_SSL_CIPHER_free(ss->ciphers);
        memset(ss,0,sizeof(*ss));
        Free(ss);
        }
 
-int SSL_set_session(s, session)
-SSL *s;
-SSL_SESSION *session;
+int SSL_set_session(SSL *s, SSL_SESSION *session)
        {
        int ret=0;
        SSL_METHOD *meth;
@@ -449,41 +437,33 @@ SSL_SESSION *session;
        return(ret);
        }
 
-long SSL_SESSION_set_timeout(s,t)
-SSL_SESSION *s;
-long t;
+long SSL_SESSION_set_timeout(SSL_SESSION *s, long t)
        {
        if (s == NULL) return(0);
        s->timeout=t;
        return(1);
        }
 
-long SSL_SESSION_get_timeout(s)
-SSL_SESSION *s;
+long SSL_SESSION_get_timeout(SSL_SESSION *s)
        {
        if (s == NULL) return(0);
        return(s->timeout);
        }
 
-long SSL_SESSION_get_time(s)
-SSL_SESSION *s;
+long SSL_SESSION_get_time(SSL_SESSION *s)
        {
        if (s == NULL) return(0);
        return(s->time);
        }
 
-long SSL_SESSION_set_time(s,t)
-SSL_SESSION *s;
-long t;
+long SSL_SESSION_set_time(SSL_SESSION *s, long t)
        {
        if (s == NULL) return(0);
        s->time=t;
        return(t);
        }
 
-long SSL_CTX_set_timeout(s,t)
-SSL_CTX *s;
-long t;
+long SSL_CTX_set_timeout(SSL_CTX *s, long t)
        {
        long l;
        if (s == NULL) return(0);
@@ -492,8 +472,7 @@ long t;
        return(l);
        }
 
-long SSL_CTX_get_timeout(s)
-SSL_CTX *s;
+long SSL_CTX_get_timeout(SSL_CTX *s)
        {
        if (s == NULL) return(0);
        return(s->session_timeout);
@@ -506,9 +485,7 @@ typedef struct timeout_param_st
        LHASH *cache;
        } TIMEOUT_PARAM;
 
-static void timeout(s,p)
-SSL_SESSION *s;
-TIMEOUT_PARAM *p;
+static void timeout(SSL_SESSION *s, TIMEOUT_PARAM *p)
        {
        if ((p->time == 0) || (p->time > (s->time+s->timeout))) /* timeout */
                {
@@ -523,9 +500,7 @@ TIMEOUT_PARAM *p;
                }
        }
 
-void SSL_CTX_flush_sessions(s,t)
-SSL_CTX *s;
-long t;
+void SSL_CTX_flush_sessions(SSL_CTX *s, long t)
        {
        unsigned long i;
        TIMEOUT_PARAM tp;
@@ -542,8 +517,7 @@ long t;
        CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
        }
 
-int ssl_clear_bad_session(s)
-SSL *s;
+int ssl_clear_bad_session(SSL *s)
        {
        if (    (s->session != NULL) &&
                !(s->shutdown & SSL_SENT_SHUTDOWN) &&
@@ -557,9 +531,7 @@ SSL *s;
        }
 
 /* locked by SSL_CTX in the calling function */
-static void SSL_SESSION_list_remove(ctx,s)
-SSL_CTX *ctx;
-SSL_SESSION *s;
+static void SSL_SESSION_list_remove(SSL_CTX *ctx, SSL_SESSION *s)
        {
        if ((s->next == NULL) || (s->prev == NULL)) return;
 
@@ -592,9 +564,7 @@ SSL_SESSION *s;
        s->prev=s->next=NULL;
        }
 
-static void SSL_SESSION_list_add(ctx,s)
-SSL_CTX *ctx;
-SSL_SESSION *s;
+static void SSL_SESSION_list_add(SSL_CTX *ctx, SSL_SESSION *s)
        {
        if ((s->next != NULL) && (s->prev != NULL))
                SSL_SESSION_list_remove(ctx,s);