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kex: moved KEX structures to ssh_crypto_struct

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This commit is contained in:
Aris Adamantiadis
2011-09-17 00:17:45 +02:00
parent 48980573c1
commit ac41a083ef
9 changed files with 50 additions and 65 deletions
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29
src/wrapper.c
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@@ -98,6 +98,7 @@ struct ssh_crypto_struct *crypto_new(void) {
}
void crypto_free(struct ssh_crypto_struct *crypto){
int i;
if (crypto == NULL) {
return;
}
@@ -148,6 +149,12 @@ void crypto_free(struct ssh_crypto_struct *crypto){
SAFE_FREE(crypto->decryptkey);
}
for (i = 0; i < SSH_KEX_METHODS; i++) {
SAFE_FREE(crypto->client_kex.methods[i]);
SAFE_FREE(crypto->server_kex.methods[i]);
SAFE_FREE(crypto->kex_methods[i]);
}
memset(crypto,0,sizeof(*crypto));
SAFE_FREE(crypto);
@@ -162,7 +169,7 @@ static int crypt_set_algorithms2(ssh_session session){
enter_function();
/* we must scan the kex entries to find crypto algorithms and set their appropriate structure */
/* out */
wanted = session->kex_methods[SSH_CRYPT_C_S];
wanted = session->next_crypto->kex_methods[SSH_CRYPT_C_S];
while (ssh_ciphertab[i].name && strcmp(wanted, ssh_ciphertab[i].name)) {
i++;
}
@@ -183,7 +190,7 @@ static int crypt_set_algorithms2(ssh_session session){
i = 0;
/* in */
wanted = session->kex_methods[SSH_CRYPT_S_C];
wanted = session->next_crypto->kex_methods[SSH_CRYPT_S_C];
while (ssh_ciphertab[i].name && strcmp(wanted, ssh_ciphertab[i].name)) {
i++;
}
@@ -203,16 +210,16 @@ static int crypt_set_algorithms2(ssh_session session){
}
/* compression */
if (strcmp(session->kex_methods[SSH_COMP_C_S], "zlib") == 0) {
if (strcmp(session->next_crypto->kex_methods[SSH_COMP_C_S], "zlib") == 0) {
session->next_crypto->do_compress_out = 1;
}
if (strcmp(session->kex_methods[SSH_COMP_S_C], "zlib") == 0) {
if (strcmp(session->next_crypto->kex_methods[SSH_COMP_S_C], "zlib") == 0) {
session->next_crypto->do_compress_in = 1;
}
if (strcmp(session->kex_methods[SSH_COMP_C_S], "zlib@openssh.com") == 0) {
if (strcmp(session->next_crypto->kex_methods[SSH_COMP_C_S], "zlib@openssh.com") == 0) {
session->next_crypto->delayed_compress_out = 1;
}
if (strcmp(session->kex_methods[SSH_COMP_S_C], "zlib@openssh.com") == 0) {
if (strcmp(session->next_crypto->kex_methods[SSH_COMP_S_C], "zlib@openssh.com") == 0) {
session->next_crypto->delayed_compress_in = 1;
}
rc = SSH_OK;
@@ -270,7 +277,7 @@ int crypt_set_algorithms_server(ssh_session session){
/* we must scan the kex entries to find crypto algorithms and set their appropriate structure */
enter_function();
/* out */
method = session->kex_methods[SSH_CRYPT_S_C];
method = session->next_crypto->kex_methods[SSH_CRYPT_S_C];
while(ssh_ciphertab[i].name && strcmp(method,ssh_ciphertab[i].name))
i++;
if(!ssh_ciphertab[i].name){
@@ -287,7 +294,7 @@ int crypt_set_algorithms_server(ssh_session session){
}
i=0;
/* in */
method = session->kex_methods[SSH_CRYPT_C_S];
method = session->next_crypto->kex_methods[SSH_CRYPT_C_S];
while(ssh_ciphertab[i].name && strcmp(method,ssh_ciphertab[i].name))
i++;
if(!ssh_ciphertab[i].name){
@@ -304,7 +311,7 @@ int crypt_set_algorithms_server(ssh_session session){
}
/* compression */
method = session->kex_methods[SSH_CRYPT_C_S];
method = session->next_crypto->kex_methods[SSH_CRYPT_C_S];
if(strcmp(method,"zlib") == 0){
ssh_log(session,SSH_LOG_PACKET,"enabling C->S compression");
session->next_crypto->do_compress_in=1;
@@ -313,7 +320,7 @@ int crypt_set_algorithms_server(ssh_session session){
ssh_set_error(session,SSH_FATAL,"zlib@openssh.com not supported");
goto error;
}
method = session->kex_methods[SSH_CRYPT_S_C];
method = session->next_crypto->kex_methods[SSH_CRYPT_S_C];
if(strcmp(method,"zlib") == 0){
ssh_log(session,SSH_LOG_PACKET,"enabling S->C compression\n");
session->next_crypto->do_compress_out=1;
@@ -323,7 +330,7 @@ int crypt_set_algorithms_server(ssh_session session){
goto error;
}
method = session->kex_methods[SSH_HOSTKEYS];
method = session->next_crypto->kex_methods[SSH_HOSTKEYS];
session->srv.hostkey = ssh_key_type_from_name(method);
rc = SSH_OK;
error: