#include "cipher.h"
#include "conf.h"
#include "control_common.h"
-#include "list.h"
#include "logger.h"
+#include "net.h"
#include "rsa.h"
-#include "subnet.h"
#include "utils.h"
#include "xalloc.h"
-list_t *connection_list;
+list_t connection_list = {
+ .head = NULL,
+ .tail = NULL,
+ .count = 0,
+ .delete = (list_action_t) free_connection,
+};
+
connection_t *everyone;
void init_connections(void) {
- connection_list = list_alloc((list_action_t) free_connection);
everyone = new_connection();
everyone->name = xstrdup("everyone");
everyone->hostname = xstrdup("BROADCAST");
}
void exit_connections(void) {
- list_delete_list(connection_list);
+ list_empty_list(&connection_list);
+
free_connection(everyone);
+ everyone = NULL;
}
connection_t *new_connection(void) {
return xzalloc(sizeof(connection_t));
}
+#ifndef DISABLE_LEGACY
+bool init_crypto_by_nid(legacy_crypto_t *c, nid_t cipher, nid_t digest) {
+ if(!cipher_open_by_nid(&c->cipher, cipher)) {
+ return false;
+ }
+
+ if(!digest_open_by_nid(&c->digest, digest, DIGEST_ALGO_SIZE)) {
+ cipher_close(&c->cipher);
+ return false;
+ }
+
+ c->budget = cipher_budget(&c->cipher);
+ return true;
+}
+
+bool init_crypto_by_name(legacy_crypto_t *c, const char *cipher, const char *digest) {
+ if(!cipher_open_by_name(&c->cipher, cipher)) {
+ return false;
+ }
+
+ if(!digest_open_by_name(&c->digest, digest, DIGEST_ALGO_SIZE)) {
+ cipher_close(&c->cipher);
+ return false;
+ }
+
+ c->budget = cipher_budget(&c->cipher);
+ return true;
+}
+
+bool decrease_budget(legacy_crypto_t *c, size_t bytes) {
+ if(bytes > c->budget) {
+ return false;
+ } else {
+ c->budget -= bytes;
+ return true;
+ }
+}
+
+static void close_legacy_crypto(legacy_crypto_t *c) {
+ cipher_close(&c->cipher);
+ digest_close(&c->digest);
+}
+
+legacy_ctx_t *new_legacy_ctx(rsa_t *rsa) {
+ legacy_ctx_t *ctx = xzalloc(sizeof(legacy_ctx_t));
+ ctx->rsa = rsa;
+ return ctx;
+}
+
+void free_legacy_ctx(legacy_ctx_t *ctx) {
+ if(ctx) {
+ close_legacy_crypto(&ctx->in);
+ close_legacy_crypto(&ctx->out);
+ rsa_free(ctx->rsa);
+ free(ctx);
+ }
+}
+#endif
+
void free_connection(connection_t *c) {
if(!c) {
return;
}
#ifndef DISABLE_LEGACY
- cipher_close(c->incipher);
- digest_close(c->indigest);
- cipher_close(c->outcipher);
- digest_close(c->outdigest);
- rsa_free(c->rsa);
+ free_legacy_ctx(c->legacy);
#endif
sptps_stop(&c->sptps);
ecdsa_free(c->ecdsa);
free(c->hischallenge);
+ free(c->mychallenge);
buffer_clear(&c->inbuf);
buffer_clear(&c->outbuf);
io_del(&c->io);
if(c->socket > 0) {
- closesocket(c->socket);
+ if(c->status.tarpit) {
+ tarpit(c->socket);
+ } else {
+ closesocket(c->socket);
+ }
}
free(c->name);
free(c->hostname);
if(c->config_tree) {
- exit_configuration(&c->config_tree);
+ exit_configuration(c->config_tree);
+ c->config_tree = NULL;
}
free(c);
}
void connection_add(connection_t *c) {
- list_insert_tail(connection_list, c);
+ list_insert_tail(&connection_list, c);
}
void connection_del(connection_t *c) {
- list_delete(connection_list, c);
+ list_delete(&connection_list, c);
}
bool dump_connections(connection_t *cdump) {
- for list_each(connection_t, c, connection_list) {
+ for list_each(connection_t, c, &connection_list) {
send_request(cdump, "%d %d %s %s %x %d %x",
CONTROL, REQ_DUMP_CONNECTIONS,
c->name, c->hostname, c->options, c->socket,
- bitfield_to_int(&c->status, sizeof(c->status)));
+ c->status.value);
}
return send_request(cdump, "%d %d", CONTROL, REQ_DUMP_CONNECTIONS);