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# ifdef HAVE_LIBZ
# include <zlib.h>
# endif
#else
# ifdef HAVE_LIBZ
# undef HAVE_LIBZ
# endif
#endif
#ifndef _THREAD_EMULATION
# ifdef HAVE_DLFCN_H
# ifdef HAVE_DLSYM
# include <dlfcn.h>
# define HAVE_CACKEY_MUTEX_PTHREAD_FUNCS 1
# endif
# endif
#endif
#ifdef CACKEY_DEBUG_SEARCH_SPEEDTEST
# include <sys/time.h>
#endif
#define CK_PTR *
#define CK_DEFINE_FUNCTION(returnType, name) returnType name
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return(-1);
}
# endif
#endif
return(x509_read_ret);
}
/* Dynamically load pthreads from the running application */
#ifdef HAVE_CACKEY_MUTEX_PTHREAD_FUNCS
#warning building with pthreads opened via dlsym
struct cackey_mutex_pthread_funcs_st {
int (*pthread_mutex_init)(pthread_mutex_t *restrict mutex, const pthread_mutexattr_t *restrict attr);
int (*pthread_mutex_lock)(pthread_mutex_t *mutex);
int (*pthread_mutex_unlock)(pthread_mutex_t *mutex);
};
static struct cackey_mutex_pthread_funcs_st *cackey_mutex_pthread_funcs(void) {
static struct cackey_mutex_pthread_funcs_st funcs = {0};
static int init = 0;
if (init != 0) {
return(&funcs);
}
funcs.pthread_mutex_init = dlsym(RTLD_DEFAULT, "pthread_mutex_init");
funcs.pthread_mutex_lock = dlsym(RTLD_DEFAULT, "pthread_mutex_lock");
funcs.pthread_mutex_unlock = dlsym(RTLD_DEFAULT, "pthread_mutex_unlock");
init = 1;
return(&funcs);
}
#define cackey_pthread_mutex_init cackey_mutex_pthread_funcs()->pthread_mutex_init
#define cackey_pthread_mutex_lock cackey_mutex_pthread_funcs()->pthread_mutex_lock
#define cackey_pthread_mutex_unlock cackey_mutex_pthread_funcs()->pthread_mutex_unlock
#else
#define cackey_pthread_mutex_init pthread_mutex_init
#define cackey_pthread_mutex_lock pthread_mutex_lock
#define cackey_pthread_mutex_unlock pthread_mutex_unlock
#endif
/* Returns 0 on success */
static int cackey_mutex_create(void **mutex) {
pthread_mutex_t *pthread_mutex;
int pthread_retval;
CK_RV custom_retval;
CACKEY_DEBUG_PRINTF("Called.");
if ((cackey_args.flags & CKF_OS_LOCKING_OK) == CKF_OS_LOCKING_OK) {
pthread_mutex = malloc(sizeof(*pthread_mutex));
if (!pthread_mutex) {
CACKEY_DEBUG_PRINTF("Failed to allocate memory.");
return(-1);
}
pthread_retval = pthread_mutex_init(pthread_mutex, NULL);
pthread_retval = cackey_pthread_mutex_init(pthread_mutex, NULL);
if (pthread_retval != 0) {
CACKEY_DEBUG_PRINTF("pthread_mutex_init() returned error (%i).", pthread_retval);
return(-1);
}
*mutex = pthread_mutex;
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CK_RV custom_retval;
CACKEY_DEBUG_PRINTF("Called.");
if ((cackey_args.flags & CKF_OS_LOCKING_OK) == CKF_OS_LOCKING_OK) {
pthread_mutex = mutex;
pthread_retval = pthread_mutex_lock(pthread_mutex);
pthread_retval = cackey_pthread_mutex_lock(pthread_mutex);
if (pthread_retval != 0) {
CACKEY_DEBUG_PRINTF("pthread_mutex_lock() returned error (%i).", pthread_retval);
return(-1);
}
} else {
if (cackey_args.LockMutex) {
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CK_RV custom_retval;
CACKEY_DEBUG_PRINTF("Called.");
if ((cackey_args.flags & CKF_OS_LOCKING_OK) == CKF_OS_LOCKING_OK) {
pthread_mutex = mutex;
pthread_retval = pthread_mutex_unlock(pthread_mutex);
pthread_retval = cackey_pthread_mutex_unlock(pthread_mutex);
if (pthread_retval != 0) {
CACKEY_DEBUG_PRINTF("pthread_mutex_unlock() returned error (%i).", pthread_retval);
return(-1);
}
} else {
if (cackey_args.UnlockMutex) {
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if (args->CreateMutex == NULL || args->DestroyMutex == NULL || args->LockMutex == NULL || args->UnlockMutex == NULL) {
if (args->CreateMutex != NULL || args->DestroyMutex != NULL || args->LockMutex != NULL || args->UnlockMutex != NULL) {
CACKEY_DEBUG_PRINTF("Error. Some, but not All threading primitives provided.");
return(CKR_ARGUMENTS_BAD);
}
} else {
#ifdef HAVE_CACKEY_MUTEX_PTHREAD_FUNCS
if (cackey_mutex_pthread_funcs()->pthread_mutex_init == NULL || cackey_mutex_pthread_funcs()->pthread_mutex_lock == NULL || cackey_mutex_pthread_funcs()->pthread_mutex_unlock == NULL) {
CACKEY_DEBUG_PRINTF("Error. Library is not linked to pthreads and we are unable to find them at runtime.");
return(CKR_GENERAL_ERROR);
}
#endif
}
} else {
cackey_args.CreateMutex = NULL;
cackey_args.DestroyMutex = NULL;
cackey_args.LockMutex = NULL;
cackey_args.UnlockMutex = NULL;
cackey_args.flags = 0;
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