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ssl session caching: fix compiler warnings

This commit is contained in:
Yang Tse 2012-01-18 23:39:30 +01:00
parent d1becc3231
commit d56b4c3f89
7 changed files with 39 additions and 53 deletions
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16
lib/share.c
View File

@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -88,8 +88,8 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
case CURL_LOCK_DATA_SSL_SESSION:
#ifdef USE_SSL
if(!share->sslsession) {
share->nsslsession = 8;
share->sslsession = calloc(share->nsslsession,
share->max_ssl_sessions = 8;
share->sslsession = calloc(share->max_ssl_sessions,
sizeof(struct curl_ssl_session));
share->sessionage = 0;
if(!share->sslsession)
@ -132,11 +132,7 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
case CURL_LOCK_DATA_SSL_SESSION:
#ifdef USE_SSL
if(share->sslsession) {
free(share->sslsession);
share->sslsession = NULL;
share->nsslsession = 0;
}
Curl_safefree(share->sslsession);
break;
#else
return CURLSHE_NOT_BUILT_IN;
@ -202,8 +198,8 @@ curl_share_cleanup(CURLSH *sh)
#ifdef USE_SSL
if(share->sslsession) {
unsigned int i;
for(i = 0; i < share->nsslsession; ++i)
size_t i;
for(i = 0; i < share->max_ssl_sessions; i++)
Curl_ssl_kill_session(&(share->sslsession[i]));
free(share->sslsession);
}

11
lib/share.h
View File

@ -1,6 +1,5 @@
#ifndef __CURL_SHARE_H
#define __CURL_SHARE_H
#ifndef HEADER_CURL_SHARE_H
#define HEADER_CURL_SHARE_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
@ -8,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -51,7 +50,7 @@ struct Curl_share {
#endif
struct curl_ssl_session *sslsession;
unsigned int nsslsession;
size_t max_ssl_sessions;
long sessionage;
};
@ -59,4 +58,4 @@ CURLSHcode Curl_share_lock (struct SessionHandle *, curl_lock_data,
curl_lock_access);
CURLSHcode Curl_share_unlock (struct SessionHandle *, curl_lock_data);
#endif /* __CURL_SHARE_H */
#endif /* HEADER_CURL_SHARE_H */

39
lib/sslgen.c
View File

@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -235,7 +235,7 @@ int Curl_ssl_getsessionid(struct connectdata *conn,
{
struct curl_ssl_session *check;
struct SessionHandle *data = conn->data;
long i;
size_t i;
long *general_age;
bool no_match = TRUE;
@ -253,7 +253,7 @@ int Curl_ssl_getsessionid(struct connectdata *conn,
else
general_age = &data->state.sessionage;
for(i=0; i< data->set.ssl.numsessions; i++) {
for(i = 0; i < data->set.ssl.max_ssl_sessions; i++) {
check = &data->state.session[i];
if(!check->sessionid)
/* not session ID means blank entry */
@ -282,7 +282,7 @@ int Curl_ssl_getsessionid(struct connectdata *conn,
/*
* Kill a single session ID entry in the cache.
*/
int Curl_ssl_kill_session(struct curl_ssl_session *session)
void Curl_ssl_kill_session(struct curl_ssl_session *session)
{
if(session->sessionid) {
/* defensive check */
@ -290,18 +290,13 @@ int Curl_ssl_kill_session(struct curl_ssl_session *session)
/* free the ID the SSL-layer specific way */
curlssl_session_free(session->sessionid);
session->sessionid=NULL;
session->sessionid = NULL;
session->age = 0; /* fresh */
Curl_free_ssl_config(&session->ssl_config);
Curl_safefree(session->name);
session->name = NULL; /* no name */
return 0; /* ok */
}
else
return 1;
}
/*
@ -309,14 +304,13 @@ int Curl_ssl_kill_session(struct curl_ssl_session *session)
*/
void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid)
{
int i;
size_t i;
struct SessionHandle *data=conn->data;
if(SSLSESSION_SHARED(data))
Curl_share_lock(data, CURL_LOCK_DATA_SSL_SESSION,
CURL_LOCK_ACCESS_SINGLE);
Curl_share_lock(data, CURL_LOCK_DATA_SSL_SESSION, CURL_LOCK_ACCESS_SINGLE);
for(i=0; i< data->set.ssl.numsessions; i++) {
for(i = 0; i < data->set.ssl.max_ssl_sessions; i++) {
struct curl_ssl_session *check = &data->state.session[i];
if(check->sessionid == ssl_sessionid) {
@ -339,7 +333,7 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
void *ssl_sessionid,
size_t idsize)
{
long i;
size_t i;
struct SessionHandle *data=conn->data; /* the mother of all structs */
struct curl_ssl_session *store = &data->state.session[0];
long oldest_age=data->state.session[0].age; /* zero if unused */
@ -367,14 +361,14 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
}
/* find an empty slot for us, or find the oldest */
for(i=1; (i<data->set.ssl.numsessions) &&
for(i = 1; (i < data->set.ssl.max_ssl_sessions) &&
data->state.session[i].sessionid; i++) {
if(data->state.session[i].age < oldest_age) {
oldest_age = data->state.session[i].age;
store = &data->state.session[i];
}
}
if(i == data->set.ssl.numsessions)
if(i == data->set.ssl.max_ssl_sessions)
/* cache is full, we must "kill" the oldest entry! */
Curl_ssl_kill_session(store);
else
@ -407,16 +401,15 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
void Curl_ssl_close_all(struct SessionHandle *data)
{
long i;
size_t i;
/* kill the session ID cache if not shared */
if(data->state.session && !SSLSESSION_SHARED(data)) {
for(i=0; i< data->set.ssl.numsessions; i++)
for(i = 0; i < data->set.ssl.max_ssl_sessions; i++)
/* the single-killer function handles empty table slots */
Curl_ssl_kill_session(&data->state.session[i]);
/* free the cache data */
free(data->state.session);
data->state.session = NULL;
Curl_safefree(data->state.session);
}
curlssl_close_all(data);
@ -466,7 +459,7 @@ struct curl_slist *Curl_ssl_engines_list(struct SessionHandle *data)
* This sets up a session ID cache to the specified size. Make sure this code
* is agnostic to what underlying SSL technology we use.
*/
CURLcode Curl_ssl_initsessions(struct SessionHandle *data, long amount)
CURLcode Curl_ssl_initsessions(struct SessionHandle *data, size_t amount)
{
struct curl_ssl_session *session;
@ -479,7 +472,7 @@ CURLcode Curl_ssl_initsessions(struct SessionHandle *data, long amount)
return CURLE_OUT_OF_MEMORY;
/* store the info in the SSL section */
data->set.ssl.numsessions = amount;
data->set.ssl.max_ssl_sessions = amount;
data->state.session = session;
data->state.sessionage = 1; /* this is brand new */
return CURLE_OK;

8
lib/sslgen.h
View File

@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -47,7 +47,7 @@ CURLcode Curl_ssl_set_engine_default(struct SessionHandle *data);
struct curl_slist *Curl_ssl_engines_list(struct SessionHandle *data);
/* init the SSL session ID cache */
CURLcode Curl_ssl_initsessions(struct SessionHandle *, long);
CURLcode Curl_ssl_initsessions(struct SessionHandle *, size_t);
size_t Curl_ssl_version(char *buffer, size_t size);
bool Curl_ssl_data_pending(const struct connectdata *conn,
int connindex);
@ -65,7 +65,7 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
void *ssl_sessionid,
size_t idsize);
/* Kill a single session ID entry in the cache */
int Curl_ssl_kill_session(struct curl_ssl_session *session);
void Curl_ssl_kill_session(struct curl_ssl_session *session);
/* delete a session from the cache */
void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid);
@ -90,7 +90,7 @@ void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid);
#define Curl_ssl_check_cxn(x) 0
#define Curl_ssl_free_certinfo(x) Curl_nop_stmt
#define Curl_ssl_connect_nonblocking(x,y,z) CURLE_NOT_BUILT_IN
#define Curl_ssl_kill_session(x) 0
#define Curl_ssl_kill_session(x) Curl_nop_stmt
#endif
#endif /* HEADER_CURL_SSLGEN_H */

4
lib/transfer.c
View File

@ -1420,9 +1420,9 @@ CURLcode Curl_pretransfer(struct SessionHandle *data)
}
/* Init the SSL session ID cache here. We do it here since we want to do it
after the *_setopt() calls (that could change the size of the cache) but
after the *_setopt() calls (that could specify the size of the cache) but
before any transfer takes place. */
res = Curl_ssl_initsessions(data, data->set.ssl.numsessions);
res = Curl_ssl_initsessions(data, data->set.ssl.max_ssl_sessions);
if(res)
return res;

8
lib/url.c
View File

@ -683,7 +683,7 @@ CURLcode Curl_init_userdefined(struct UserDefined *set)
set->dns_cache_timeout = 60; /* Timeout every 60 seconds by default */
/* Set the default size of the SSL session ID cache */
set->ssl.numsessions = 5;
set->ssl.max_ssl_sessions = 5;
set->proxyport = CURL_DEFAULT_PROXY_PORT; /* from url.h */
set->proxytype = CURLPROXY_HTTP; /* defaults to HTTP proxy */
@ -2106,10 +2106,8 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
data->cookies = NULL;
#endif
if(data->share->sslsession == data->state.session) {
if(data->share->sslsession == data->state.session)
data->state.session = NULL;
data->set.ssl.numsessions = 0;
}
data->share->dirty--;
@ -2143,7 +2141,7 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
}
#endif /* CURL_DISABLE_HTTP */
if(data->share->sslsession) {
data->set.ssl.numsessions = data->share->nsslsession;
data->set.ssl.max_ssl_sessions = data->share->max_ssl_sessions;
data->state.session = data->share->sslsession;
}
Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);

6
lib/urldata.h
View File

@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -299,7 +299,7 @@ struct ssl_config_data {
char *random_file; /* path to file containing "random" data */
char *egdsocket; /* path to file containing the EGD daemon socket */
char *cipher_list; /* list of ciphers to use */
long numsessions; /* SSL session id cache size */
size_t max_ssl_sessions; /* SSL session id cache size */
curl_ssl_ctx_callback fsslctx; /* function to initialize ssl ctx */
void *fsslctxp; /* parameter for call back */
bool sessionid; /* cache session IDs or not */
@ -1140,7 +1140,7 @@ struct UrlState {
following not keep sending user+password... This is
strdup() data.
*/
struct curl_ssl_session *session; /* array of 'numsessions' size */
struct curl_ssl_session *session; /* array of 'max_ssl_sessions' size */
long sessionage; /* number of the most recent session */
char *tempwrite; /* allocated buffer to keep data in when a write
callback returns to make the connection paused */