X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl_sess.c;h=e06f3ad5e9e7f8f34739314993e09c4fd727312c;hp=d4978a7d50a29a4c711827ab372212e1b40fa31e;hb=a9be3af5ad4836f7e50f0546311ca90c717b861e;hpb=31b8d8684441e6cd5138832bb1b2ddb10acd6ba6 diff --git a/ssl/ssl_sess.c b/ssl/ssl_sess.c index d4978a7d50..e06f3ad5e9 100644 --- a/ssl/ssl_sess.c +++ b/ssl/ssl_sess.c @@ -57,33 +57,22 @@ */ #include -#include "lhash.h" -#include "rand.h" +#include +#include #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 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 +80,17 @@ 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; @@ -123,21 +107,22 @@ SSL_SESSION *SSL_SESSION_new() ss->time=time(NULL); ss->prev=NULL; ss->next=NULL; + ss->compress_meth=0; CRYPTO_new_ex_data(ssl_session_meth,(char *)ss,&ss->ex_data); 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; if ((ss=SSL_SESSION_new()) == NULL) return(0); /* If the context has a default timeout, use it */ - if (s->ctx->session_timeout != 0) + if (s->ctx->session_timeout == 0) ss->timeout=SSL_get_default_timeout(s); + else + ss->timeout=s->ctx->session_timeout; if (s->session != NULL) { @@ -147,7 +132,7 @@ 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; @@ -187,25 +172,25 @@ 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)) { @@ -216,29 +201,36 @@ int len; if (ret == NULL) { - int copy=1; - - s->ctx->sess_miss++; + s->ctx->stats.sess_miss++; ret=NULL; - if ((s->ctx->get_session_cb != NULL) && - ((ret=s->ctx->get_session_cb(s,session_id,len,©)) - != NULL)) + if (s->ctx->get_session_cb != NULL + && (ret=s->ctx->get_session_cb(s,session_id,len,©)) + != NULL) { - s->ctx->sess_cb_hit++; + 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; @@ -260,14 +252,14 @@ int len; if ((long)(ret->time+ret->timeout) < (long)time(NULL)) /* timeout */ { - s->ctx->sess_timeout++; + s->ctx->stats.sess_timeout++; /* remove it from the cache */ SSL_CTX_remove_session(s->ctx,ret); SSL_SESSION_free(ret); /* again to actually Free it */ return(0); } - s->ctx->sess_hit++; + s->ctx->stats.sess_hit++; /* ret->time=time(NULL); */ /* rezero timeout? */ /* again, just leave the session @@ -279,9 +271,7 @@ 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; @@ -318,7 +308,7 @@ SSL_SESSION *c; ctx->session_cache_tail)) break; else - ctx->sess_cache_full++; + ctx->stats.sess_cache_full++; } } } @@ -326,9 +316,7 @@ 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) { SSL_SESSION *r; int ret=0; @@ -358,11 +346,13 @@ SSL_SESSION *c; return(ret); } -void SSL_SESSION_free(ss) -SSL_SESSION *ss; +void SSL_SESSION_free(SSL_SESSION *ss) { int i; + if(ss == NULL) + return; + i=CRYPTO_add(&ss->references,-1,CRYPTO_LOCK_SSL_SESSION); #ifdef REF_PRINT REF_PRINT("SSL_SESSION",ss); @@ -383,14 +373,12 @@ SSL_SESSION *ss; memset(ss->session_id,0,SSL_MAX_SSL_SESSION_ID_LENGTH); if (ss->cert != NULL) ssl_cert_free(ss->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; @@ -410,7 +398,10 @@ SSL_SESSION *session; { if (!SSL_set_ssl_method(s,meth)) return(0); - session->timeout=SSL_get_default_timeout(s); + if (s->ctx->session_timeout == 0) + session->timeout=SSL_get_default_timeout(s); + else + session->timeout=s->ctx->session_timeout; } /* CRYPTO_w_lock(CRYPTO_LOCK_SSL);*/ @@ -428,42 +419,59 @@ SSL_SESSION *session; SSL_SESSION_free(s->session); s->session=NULL; } + + meth=s->ctx->method; + if (meth != s->method) + { + if (!SSL_set_ssl_method(s,meth)) + return(0); + } + ret=1; } 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(SSL_CTX *s, long t) + { + long l; + if (s == NULL) return(0); + l=s->session_timeout; + s->session_timeout=t; + return(l); + } + +long SSL_CTX_get_timeout(SSL_CTX *s) + { + if (s == NULL) return(0); + return(s->session_timeout); + } + typedef struct timeout_param_st { SSL_CTX *ctx; @@ -471,9 +479,7 @@ 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 */ { @@ -488,15 +494,13 @@ 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; tp.ctx=s; - tp.cache=SSL_CTX_sessions(s); + tp.cache=s->sessions; if (tp.cache == NULL) return; tp.time=t; CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); @@ -507,8 +511,7 @@ 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) && @@ -522,9 +525,7 @@ 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; @@ -557,9 +558,7 @@ 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);