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Change back to a initialized variable and document ssh_finalize().

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git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@557 7dcaeef0-15fb-0310-b436-a5af3365683c
This commit is contained in:
Andreas Schneider
2009-04-18 16:19:24 +00:00
parent 44924db3e9
commit bfc428a0da
2 changed files with 12 additions and 13 deletions
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14
libssh/dh.c
View File

@@ -72,7 +72,7 @@ static unsigned char p_value[] = {
static unsigned long g_int = 2 ; /* G is defined as 2 by the ssh2 standards */
static bignum g;
static bignum p;
static unsigned int ssh_crypto_initialized_ref_count = 0;
static int ssh_crypto_initialized;
int ssh_get_random(void *where, int len, int strong){
@@ -101,7 +101,7 @@ int ssh_get_random(void *where, int len, int strong){
* FIXME: Make the function thread safe by adding a semaphore or mutex.
*/
int ssh_crypto_init(void) {
if (ssh_crypto_initialized_ref_count == 0) {
if (ssh_crypto_initialized == 0) {
#ifdef HAVE_LIBGCRYPT
gcry_check_version(NULL);
@@ -134,19 +134,15 @@ int ssh_crypto_init(void) {
bignum_bin2bn(p_value, P_LEN, p);
OpenSSL_add_all_algorithms();
#endif
}
ssh_crypto_initialized_ref_count++;
ssh_crypto_initialized = 1;
}
return 0;
}
void ssh_crypto_finalize(void) {
if (ssh_crypto_initialized_ref_count) {
ssh_crypto_initialized_ref_count--;
}
if (ssh_crypto_initialized_ref_count == 0) {
if (ssh_crypto_initialized) {
bignum_free(g);
g = NULL;
bignum_free(p);

11
libssh/init.c
View File

@@ -32,12 +32,15 @@
* \addtogroup ssh_session
* @{
*/
/**
* \brief finalize and cleanup all libssh and cryptographic data structures
* \returns 0
* @brief Finalize and cleanup all libssh and cryptographic data structures.
*
* This function should only be called once, at the end of the program!
*
* @returns 0
*/
int ssh_finalize(void)
{
int ssh_finalize(void) {
ssh_crypto_finalize();
#ifdef HAVE_LIBGCRYPT
gcry_control(GCRYCTL_TERM_SECMEM);