diff options
Diffstat (limited to 'src/idevice.c')
| -rw-r--r-- | src/idevice.c | 89 |
1 files changed, 80 insertions, 9 deletions
diff --git a/src/idevice.c b/src/idevice.c index 3d20069..28a62b0 100644 --- a/src/idevice.c +++ b/src/idevice.c @@ -36,10 +36,89 @@ #endif #include "idevice.h" #include "common/userpref.h" +#include "common/thread.h" #include "common/debug.h" #ifdef HAVE_OPENSSL -static int openssl_init_done = 0; +static mutex_t *mutex_buf = NULL; +static void locking_function(int mode, int n, const char* file, int line) +{ + if (mode & CRYPTO_LOCK) + mutex_lock(&mutex_buf[n]); + else + mutex_unlock(&mutex_buf[n]); +} + +static unsigned long id_function(void) +{ + return ((unsigned long)THREAD_ID); +} +#endif + +static void internal_idevice_init(void) +{ +#ifdef HAVE_OPENSSL + int i; + SSL_library_init(); + + mutex_buf = malloc(CRYPTO_num_locks() * sizeof(mutex_t)); + if (!mutex_buf) + return; + for (i = 0; i < CRYPTO_num_locks(); i++) + mutex_init(&mutex_buf[i]); + + CRYPTO_set_id_callback(id_function); + CRYPTO_set_locking_callback(locking_function); +#else + gnutls_global_init(); +#endif +} + +static void internal_idevice_deinit(void) +{ +#ifdef HAVE_OPENSSL + int i; + if (!mutex_buf) + return; + CRYPTO_set_id_callback(NULL); + CRYPTO_set_locking_callback(NULL); + for (i = 0; i < CRYPTO_num_locks(); i++) + mutex_destroy(&mutex_buf[i]); + free(mutex_buf); + mutex_buf = NULL; +#else + gnutls_global_deinit(); +#endif +} + +static thread_once_t init_once = THREAD_ONCE_INIT; +static thread_once_t deinit_once = THREAD_ONCE_INIT; + +#ifdef WIN32 +int APIENTRY DllMain(HANDLE hModule, DWORD dwReason, LPVOID lpReserved) +{ + switch (dwReason) { + case DLL_PROCESS_ATTACH: + thread_once(&init_once, internal_idevice_init); + break; + case DLL_PROCESS_DETACH: + thread_once(&deinit_once, internal_idevice_deinit); + break; + default: + break; + } + return 1; +} +#else +static void __attribute__((constructor)) libimobiledevice_initialize(void) +{ + thread_once(&init_once, internal_idevice_init); +} + +static void __attribute__((destructor)) libimobiledevice_deinitialize(void) +{ + thread_once(&deinit_once, internal_idevice_deinit); +} #endif static idevice_event_cb_t event_cb = NULL; @@ -575,7 +654,6 @@ static void internal_ssl_cleanup(ssl_data_t ssl_data) if (ssl_data->ctx) { SSL_CTX_free(ssl_data->ctx); } - openssl_init_done = 0; #else if (ssl_data->session) { gnutls_deinit(ssl_data->session); @@ -691,12 +769,6 @@ idevice_error_t idevice_connection_enable_ssl(idevice_connection_t connection) if (pair_record) plist_free(pair_record); - /* Set up OpenSSL */ - if (openssl_init_done == 0) { - SSL_library_init(); - openssl_init_done = 1; - } - BIO *ssl_bio = BIO_new(BIO_s_socket()); if (!ssl_bio) { debug_info("ERROR: Could not create SSL bio."); @@ -761,7 +833,6 @@ idevice_error_t idevice_connection_enable_ssl(idevice_connection_t connection) /* Set up GnuTLS... */ debug_info("enabling SSL mode"); - gnutls_global_init(); errno = 0; gnutls_certificate_allocate_credentials(&ssl_data_loc->certificate); gnutls_certificate_client_set_retrieve_function(ssl_data_loc->certificate, internal_cert_callback); |